changeset 2473:aa420e366b2b

Android: Initial skeletal commit for Android support, almost nothing implemented... but this should be a framework for adding Android support via JNI/NDK.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Sun, 18 Apr 2021 01:28:55 +0000
parents 206a0643add6
children a13e6db064f4
files android/AndroidManifest.xml android/CMakeLists.txt android/DWindows.kt android/dw.cpp android/dwindows_main.xml dw.h
diffstat 6 files changed, 4095 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/android/AndroidManifest.xml	Sun Apr 18 01:28:55 2021 +0000
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.dbsoft.dwindows.dwtest">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Dwtest">
+        <activity android:name=".DWindows">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/android/CMakeLists.txt	Sun Apr 18 01:28:55 2021 +0000
@@ -0,0 +1,48 @@
+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html
+
+# Sets the minimum version of CMake required to build the native library.
+
+cmake_minimum_required(VERSION 3.10.2)
+
+# Declares and names the project.
+
+project("dwtest")
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+
+add_library( # Sets the name of the library.
+             dwindows
+
+             # Sets the library as a shared library.
+             SHARED
+
+             # Provides a relative path to your source file(s).
+             dw.cpp )
+
+# Searches for a specified prebuilt library and stores the path as a
+# variable. Because CMake includes system libraries in the search path by
+# default, you only need to specify the name of the public NDK library
+# you want to add. CMake verifies that the library exists before
+# completing its build.
+
+find_library( # Sets the name of the path variable.
+              log-lib
+
+              # Specifies the name of the NDK library that
+              # you want CMake to locate.
+              log )
+
+# Specifies libraries CMake should link to your target library. You
+# can link multiple libraries, such as libraries you define in this
+# build script, prebuilt third-party libraries, or system libraries.
+
+target_link_libraries( # Specifies the target library.
+                       dwindows
+
+                       # Links the target library to the log library
+                       # included in the NDK.
+                       ${log-lib} )
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/android/DWindows.kt	Sun Apr 18 01:28:55 2021 +0000
@@ -0,0 +1,28 @@
+package org.dbsoft.dwindows.dwtest
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.TextView
+
+class DWindows : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.dwindows_main)
+
+        // Example of a call to a native method
+        findViewById<TextView>(R.id.sample_text).text = stringFromJNI()
+    }
+
+    /**
+     * A native method that is implemented by the 'dwindows' native library,
+     * which is packaged with this application.
+     */
+    external fun stringFromJNI(): String
+
+    companion object {
+        // Used to load the 'dwindows' library on application startup.
+        init {
+            System.loadLibrary("dwindows")
+        }
+    }
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/android/dw.cpp	Sun Apr 18 01:28:55 2021 +0000
@@ -0,0 +1,3763 @@
+/*
+ * Dynamic Windows:
+ *          A GTK like GUI implementation of the Android GUI.
+ *
+ * (C) 2011-2021 Brian Smith <brian@dbsoft.org>
+ * (C) 2011-2021 Mark Hessling <mark@rexx.org>
+ *
+ * Compile with $CC -I. -D__ANDROID__ template/dw.c
+ *
+ */
+
+#include <jni.h>
+#include "dw.h"
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+JNIEXPORT jstring JNICALL
+Java_org_dbsoft_dwindows_dwtest_DWindows_stringFromJNI(
+        JNIEnv* env,
+        jobject /* this */) {
+    char hello[] = "Hello from C++";
+    return env->NewStringUTF(hello);
+}
+
+/* Implement these to get and set the Box* pointer on the widget handle */
+void *_dw_window_pointer_get(HWND handle)
+{
+    return NULL;
+}
+
+void _dw_window_pointer_set(HWND handle, Box *box)
+{
+}
+
+/* This function calculates how much space the widgets and boxes require
+ * and does expansion as necessary.
+ */
+static void _dw_resize_box(Box *thisbox, int *depth, int x, int y, int pass)
+{
+    /* Current item position */
+    int z, currentx = thisbox->pad, currenty = thisbox->pad;
+    /* Used x, y and padding maximum values...
+     * These will be used to find the widest or
+     * tallest items in a box.
+     */
+    int uymax = 0, uxmax = 0;
+    int upymax = 0, upxmax = 0;
+
+    /* Reset the box sizes */
+    thisbox->minwidth = thisbox->minheight = thisbox->usedpadx = thisbox->usedpady = thisbox->pad * 2;
+
+#if 0
+    /* If there are containers which have built-in padding like
+    * groupboxes.. calculate the padding size and add it to the layout.
+    */
+   if(thisbox->grouphwnd)
+   {
+      char *text = dw_window_get_text(thisbox->grouphwnd);
+
+      thisbox->grouppady = 0;
+
+      if(text)
+      {
+         dw_font_text_extents_get(thisbox->grouphwnd, 0, text, NULL, &thisbox->grouppady);
+         dw_free(text);
+      }
+
+      if(thisbox->grouppady)
+         thisbox->grouppady += 3;
+      else
+         thisbox->grouppady = 6;
+
+      thisbox->grouppadx = 6;
+
+      thisbox->minwidth += thisbox->grouppadx;
+      thisbox->usedpadx += thisbox->grouppadx;
+      thisbox->minheight += thisbox->grouppady;
+      thisbox->usedpady += thisbox->grouppady;
+   }
+#endif
+
+    /* Count up all the space for all items in the box */
+    for(z=0;z<thisbox->count;z++)
+    {
+        int itempad, itemwidth, itemheight;
+
+        if(thisbox->items[z].type == TYPEBOX)
+        {
+            Box *tmp = (Box *)_dw_window_pointer_get(thisbox->items[z].hwnd);
+
+            if(tmp)
+            {
+                /* On the first pass calculate the box contents */
+                if(pass == 1)
+                {
+                    (*depth)++;
+
+                    /* Save the newly calculated values on the box */
+                    _dw_resize_box(tmp, depth, x, y, pass);
+
+                    /* Duplicate the values in the item list for use below */
+                    thisbox->items[z].width = tmp->minwidth;
+                    thisbox->items[z].height = tmp->minheight;
+
+                    (*depth)--;
+                }
+            }
+        }
+
+        /* Precalculate these values, since they will
+         * be used used repeatedly in the next section.
+         */
+        itempad = thisbox->items[z].pad * 2;
+        itemwidth = thisbox->items[z].width + itempad;
+        itemheight = thisbox->items[z].height + itempad;
+
+        /* Calculate the totals and maximums */
+        if(thisbox->type == DW_VERT)
+        {
+            if(itemwidth > uxmax)
+                uxmax = itemwidth;
+
+            if(thisbox->items[z].hsize != SIZEEXPAND)
+            {
+                if(itemwidth > upxmax)
+                    upxmax = itemwidth;
+            }
+            else
+            {
+                if(itempad > upxmax)
+                    upxmax = itempad;
+            }
+            thisbox->minheight += itemheight;
+            if(thisbox->items[z].vsize != SIZEEXPAND)
+                thisbox->usedpady += itemheight;
+            else
+                thisbox->usedpady += itempad;
+        }
+        else
+        {
+            if(itemheight > uymax)
+                uymax = itemheight;
+            if(thisbox->items[z].vsize != SIZEEXPAND)
+            {
+                if(itemheight > upymax)
+                    upymax = itemheight;
+            }
+            else
+            {
+                if(itempad > upymax)
+                    upymax = itempad;
+            }
+            thisbox->minwidth += itemwidth;
+            if(thisbox->items[z].hsize != SIZEEXPAND)
+                thisbox->usedpadx += itemwidth;
+            else
+                thisbox->usedpadx += itempad;
+        }
+    }
+
+    /* Add the maximums which were calculated in the previous loop */
+    thisbox->minwidth += uxmax;
+    thisbox->minheight += uymax;
+    thisbox->usedpadx += upxmax;
+    thisbox->usedpady += upymax;
+
+    /* Move the groupbox start past the group border */
+    if(thisbox->grouphwnd)
+    {
+        currentx += 3;
+        currenty += thisbox->grouppady - 3;
+    }
+
+    /* The second pass is for actual placement. */
+    if(pass > 1)
+    {
+        for(z=0;z<(thisbox->count);z++)
+        {
+            int height = thisbox->items[z].height;
+            int width = thisbox->items[z].width;
+            int itempad = thisbox->items[z].pad * 2;
+            int thispad = thisbox->pad * 2;
+
+            /* Calculate the new sizes */
+            if(thisbox->items[z].hsize == SIZEEXPAND)
+            {
+                if(thisbox->type == DW_HORZ)
+                {
+                    int expandablex = thisbox->minwidth - thisbox->usedpadx;
+
+                    if(expandablex)
+                        width = (int)(((float)width / (float)expandablex) * (float)(x - thisbox->usedpadx));
+                }
+                else
+                    width = x - (itempad + thispad + thisbox->grouppadx);
+            }
+            if(thisbox->items[z].vsize == SIZEEXPAND)
+            {
+                if(thisbox->type == DW_VERT)
+                {
+                    int expandabley = thisbox->minheight - thisbox->usedpady;
+
+                    if(expandabley)
+                        height = (int)(((float)height / (float)expandabley) * (float)(y - thisbox->usedpady));
+                }
+                else
+                    height = y - (itempad + thispad + thisbox->grouppady);
+            }
+
+            /* If the calculated size is valid... */
+            if(width > 0 && height > 0)
+            {
+                int pad = thisbox->items[z].pad;
+#if 0
+                HWND handle = thisbox->items[z].hwnd;
+
+            /* Here you put your platform specific placement widget placement code */
+            PlaceWidget(handle, currentx + pad, currenty + pad, width, height);
+
+            /* If any special handling needs to be done... like diving into
+             * controls that have sub-layouts... like notebooks or splitbars...
+             * do that here. Figure out the sub-layout size and call _dw_do_resize().
+             */
+#endif
+
+                /* Advance the current position in the box */
+                if(thisbox->type == DW_HORZ)
+                    currentx += width + (pad * 2);
+                if(thisbox->type == DW_VERT)
+                    currenty += height + (pad * 2);
+            }
+        }
+    }
+}
+
+/* This is a convenience function used in the window's resize event
+ * to relayout the controls in the window.
+ */
+void _dw_do_resize(Box *thisbox, int x, int y)
+{
+    if(x != 0 && y != 0)
+    {
+        if(thisbox)
+        {
+            int depth = 0;
+
+            /* Calculate space requirements */
+            _dw_resize_box(thisbox, &depth, x, y, 1);
+
+            /* Finally place all the boxes and controls */
+            _dw_resize_box(thisbox, &depth, x, y, 2);
+        }
+    }
+}
+
+/*
+ * Runs a message loop for Dynamic Windows.
+ */
+void API dw_main(void)
+{
+}
+
+/*
+ * Causes running dw_main() to return.
+ */
+void API dw_main_quit(void)
+{
+}
+
+/*
+ * Runs a message loop for Dynamic Windows, for a period of milliseconds.
+ * Parameters:
+ *           milliseconds: Number of milliseconds to run the loop for.
+ */
+void API dw_main_sleep(int milliseconds)
+{
+}
+
+/*
+ * Processes a single message iteration and returns.
+ */
+void API dw_main_iteration(void)
+{
+}
+
+/*
+ * Cleanly terminates a DW session, should be signal handler safe.
+ * Parameters:
+ *       exitcode: Exit code reported to the operating system.
+ */
+void API dw_exit(int exitcode)
+{
+    exit(exitcode);
+}
+
+/*
+ * Free's memory allocated by dynamic windows.
+ * Parameters:
+ *           ptr: Pointer to dynamic windows allocated
+ *                memory to be free()'d.
+ */
+void API dw_free(void *ptr)
+{
+    free(ptr);
+}
+
+/*
+ * Returns a pointer to a static buffer which contains the
+ * current user directory.  Or the root directory if it could
+ * not be determined.
+ */
+char * API dw_user_dir(void)
+{
+    static char _dw_user_dir[MAX_PATH+1] = {0};
+
+    if(!_dw_user_dir[0])
+    {
+        char *home = getenv("HOME");
+
+        if(home)
+            strcpy(_dw_user_dir, home);
+        else
+            strcpy(_dw_user_dir, "/");
+    }
+    return _dw_user_dir;
+}
+
+/*
+ * Returns a pointer to a static buffer which containes the
+ * private application data directory.
+ */
+char * API dw_app_dir(void)
+{
+    static char _dw_exec_dir[MAX_PATH+1] = {0};
+    /* Code to determine the execution directory here,
+     * some implementations make this variable global
+     * and determin the location in dw_init().
+     */
+    return _dw_exec_dir;
+}
+
+/*
+ * Sets the application ID used by this Dynamic Windows application instance.
+ * Parameters:
+ *         appid: A string typically in the form: com.company.division.application
+ *         appname: The application name used on Windows or NULL.
+ * Returns:
+ *         DW_ERROR_NONE after successfully setting the application ID.
+ *         DW_ERROR_UNKNOWN if unsupported on this system.
+ *         DW_ERROR_GENERAL if the application ID is not allowed.
+ * Remarks:
+ *          This must be called before dw_init().  If dw_init() is called first
+ *          it will create a unique ID in the form: org.dbsoft.dwindows.application
+ *          or if the application name cannot be detected: org.dbsoft.dwindows.pid.#
+ *          The appname is only required on Windows.  If NULL is passed the detected
+ *          application name will be used, but a prettier name may be desired.
+ */
+int API dw_app_id_set(const char *appid, const char *appname)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Displays a debug message on the console...
+ * Parameters:
+ *           format: printf style format string.
+ *           ...: Additional variables for use in the format.
+ */
+void API dw_debug(const char *format, ...)
+{
+    va_list args;
+    char outbuf[1025] = {0};
+
+    va_start(args, format);
+    vsnprintf(outbuf, 1024, format, args);
+    va_end(args);
+
+    /* Output to stderr, if there is another way to send it
+     * on the implementation platform, change this.
+     */
+    fprintf(stderr, "%s", outbuf);
+}
+
+/*
+ * Displays a Message Box with given text and title..
+ * Parameters:
+ *           title: The title of the message box.
+ *           flags: flags to indicate buttons and icon
+ *           format: printf style format string.
+ *           ...: Additional variables for use in the format.
+ * Returns:
+ *       DW_MB_RETURN_YES, DW_MB_RETURN_NO, DW_MB_RETURN_OK,
+ *       or DW_MB_RETURN_CANCEL based on flags and user response.
+ */
+int API dw_messagebox(const char *title, int flags, const char *format, ...)
+{
+    return 0;
+}
+
+/*
+ * Opens a file dialog and queries user selection.
+ * Parameters:
+ *       title: Title bar text for dialog.
+ *       defpath: The default path of the open dialog.
+ *       ext: Default file extention.
+ *       flags: DW_FILE_OPEN or DW_FILE_SAVE.
+ * Returns:
+ *       NULL on error. A malloced buffer containing
+ *       the file path on success.
+ *
+ */
+char * API dw_file_browse(const char *title, const char *defpath, const char *ext, int flags)
+{
+    return NULL;
+}
+
+/*
+ * Gets the contents of the default clipboard as text.
+ * Parameters:
+ *       None.
+ * Returns:
+ *       Pointer to an allocated string of text or NULL if clipboard empty or contents could not
+ *       be converted to text.
+ */
+char * API dw_clipboard_get_text()
+{
+    return NULL;
+}
+
+/*
+ * Sets the contents of the default clipboard to the supplied text.
+ * Parameters:
+ *       str: Text to put on the clipboard.
+ *       len: Length of the text.
+ */
+void API dw_clipboard_set_text(const char *str, int len)
+{
+}
+
+
+/*
+ * Allocates and initializes a dialog struct.
+ * Parameters:
+ *           data: User defined data to be passed to functions.
+ * Returns:
+ *       A handle to a dialog or NULL on failure.
+ */
+DWDialog * API dw_dialog_new(void *data)
+{
+#if 0
+    DWDialog *tmp = malloc(sizeof(DWDialog));
+
+    if(tmp)
+    {
+        tmp->eve = dw_event_new();
+        dw_event_reset(tmp->eve);
+        tmp->data = data;
+        tmp->done = FALSE;
+        tmp->result = NULL;
+    }
+    return tmp;
+#endif
+    return NULL;
+}
+
+/*
+ * Accepts a dialog struct and returns the given data to the
+ * initial called of dw_dialog_wait().
+ * Parameters:
+ *           dialog: Pointer to a dialog struct aquired by dw_dialog_new).
+ *           result: Data to be returned by dw_dialog_wait().
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_dialog_dismiss(DWDialog *dialog, void *result)
+{
+#if 0
+    dialog->result = result;
+    dw_event_post(dialog->eve);
+    dialog->done = TRUE;
+#endif
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Accepts a dialog struct waits for dw_dialog_dismiss() to be
+ * called by a signal handler with the given dialog struct.
+ * Parameters:
+ *           dialog: Pointer to a dialog struct aquired by dw_dialog_new).
+ * Returns:
+ *       The data passed to dw_dialog_dismiss().
+ */
+void * API dw_dialog_wait(DWDialog *dialog)
+{
+    void *tmp = NULL;
+
+#if 0
+    while(!dialog->done)
+    {
+        dw_main_iteration();
+    }
+    dw_event_close(&dialog->eve);
+    tmp = dialog->result;
+    free(dialog);
+#endif
+    return tmp;
+}
+
+/*
+ * Create a new Box to be packed.
+ * Parameters:
+ *       type: Either DW_VERT (vertical) or DW_HORZ (horizontal).
+ *       pad: Number of pixels to pad around the box.
+ * Returns:
+ *       A handle to a box or NULL on failure.
+ */
+HWND API dw_box_new(int type, int pad)
+{
+    return 0;
+}
+
+/*
+ * Create a new Group Box to be packed.
+ * Parameters:
+ *       type: Either DW_VERT (vertical) or DW_HORZ (horizontal).
+ *       pad: Number of pixels to pad around the box.
+ *       title: Text to be displayined in the group outline.
+ * Returns:
+ *       A handle to a groupbox window or NULL on failure.
+ */
+HWND API dw_groupbox_new(int type, int pad, const char *title)
+{
+    return 0;
+}
+
+/*
+ * Create a new scrollable Box to be packed.
+ * Parameters:
+ *       type: Either DW_VERT (vertical) or DW_HORZ (horizontal).
+ *       pad: Number of pixels to pad around the box.
+ * Returns:
+ *       A handle to a scrollbox or NULL on failure.
+ */
+HWND API dw_scrollbox_new( int type, int pad )
+{
+    return 0;
+}
+
+/*
+ * Returns the position of the scrollbar in the scrollbox.
+ * Parameters:
+ *          handle: Handle to the scrollbox to be queried.
+ *          orient: The vertical or horizontal scrollbar.
+ * Returns:
+ *       The vertical or horizontal position in the scrollbox.
+ */
+int API dw_scrollbox_get_pos(HWND handle, int orient)
+{
+    return 0;
+}
+
+/*
+ * Gets the range for the scrollbar in the scrollbox.
+ * Parameters:
+ *          handle: Handle to the scrollbox to be queried.
+ *          orient: The vertical or horizontal scrollbar.
+ * Returns:
+ *       The vertical or horizontal range of the scrollbox.
+ */
+int API dw_scrollbox_get_range(HWND handle, int orient)
+{
+    return 0;
+}
+
+/* Internal box packing function called by the other 3 functions */
+void _dw_box_pack(HWND box, HWND item, int index, int width, int height, int hsize, int vsize, int pad, char *funcname)
+{
+    Box *thisbox;
+    int z, x = 0;
+    Item *tmpitem, *thisitem;
+
+    /* Sanity checks */
+    if(!box || box == item)
+        return;
+
+    thisbox = (Box *)_dw_window_pointer_get(box);
+    thisitem = thisbox->items;
+
+    /* Do some sanity bounds checking */
+    if(index < 0)
+        index = 0;
+    if(index > thisbox->count)
+        index = thisbox->count;
+
+    /* Duplicate the existing data */
+    tmpitem = (Item *)malloc(sizeof(Item)*(thisbox->count+1));
+
+    for(z=0;z<thisbox->count;z++)
+    {
+        if(z == index)
+            x++;
+        tmpitem[x] = thisitem[z];
+        x++;
+    }
+
+    /* Sanity checks */
+    if(vsize && !height)
+        height = 1;
+    if(hsize && !width)
+        width = 1;
+
+    /* Fill in the item data appropriately */
+    if(0 /* Test to see if "item" is a box */)
+        tmpitem[index].type = TYPEBOX;
+    else
+        tmpitem[index].type = TYPEITEM;
+
+    tmpitem[index].hwnd = item;
+    tmpitem[index].origwidth = tmpitem[index].width = width;
+    tmpitem[index].origheight = tmpitem[index].height = height;
+    tmpitem[index].pad = pad;
+    if(hsize)
+        tmpitem[index].hsize = SIZEEXPAND;
+    else
+        tmpitem[index].hsize = SIZESTATIC;
+
+    if(vsize)
+        tmpitem[index].vsize = SIZEEXPAND;
+    else
+        tmpitem[index].vsize = SIZESTATIC;
+
+    thisbox->items = tmpitem;
+
+    /* Update the item count */
+    thisbox->count++;
+
+    /* Add the item to the box */
+#if 0
+    /* Platform specific code to add item to box */
+    BoxAdd(box, item);
+#endif
+
+    /* Free the old data */
+    if(thisbox->count)
+        free(thisitem);
+}
+
+/*
+ * Remove windows (widgets) from the box they are packed into.
+ * Parameters:
+ *       handle: Window handle of the packed item to be removed.
+ * Returns:
+ *       DW_ERROR_NONE on success and DW_ERROR_GENERAL on failure.
+ */
+int API dw_box_unpack(HWND handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Remove windows (widgets) from a box at an arbitrary location.
+ * Parameters:
+ *       box: Window handle of the box to be removed from.
+ *       index: 0 based index of packed items.
+ * Returns:
+ *       Handle to the removed item on success, 0 on failure or padding.
+ */
+HWND API dw_box_unpack_at_index(HWND box, int index)
+{
+    return 0;
+}
+
+/*
+ * Pack windows (widgets) into a box at an arbitrary location.
+ * Parameters:
+ *       box: Window handle of the box to be packed into.
+ *       item: Window handle of the item to pack.
+ *       index: 0 based index of packed items.
+ *       width: Width in pixels of the item or -1 to be self determined.
+ *       height: Height in pixels of the item or -1 to be self determined.
+ *       hsize: TRUE if the window (widget) should expand horizontally to fill space given.
+ *       vsize: TRUE if the window (widget) should expand vertically to fill space given.
+ *       pad: Number of pixels of padding around the item.
+ */
+void API dw_box_pack_at_index(HWND box, HWND item, int index, int width, int height, int hsize, int vsize, int pad)
+{
+    _dw_box_pack(box, item, index, width, height, hsize, vsize, pad, "dw_box_pack_at_index()");
+}
+
+/*
+ * Pack windows (widgets) into a box from the start (or top).
+ * Parameters:
+ *       box: Window handle of the box to be packed into.
+ *       item: Window handle of the item to pack.
+ *       width: Width in pixels of the item or -1 to be self determined.
+ *       height: Height in pixels of the item or -1 to be self determined.
+ *       hsize: TRUE if the window (widget) should expand horizontally to fill space given.
+ *       vsize: TRUE if the window (widget) should expand vertically to fill space given.
+ *       pad: Number of pixels of padding around the item.
+ */
+void API dw_box_pack_start(HWND box, HWND item, int width, int height, int hsize, int vsize, int pad)
+{
+    /* 65536 is the table limit on GTK...
+     * seems like a high enough value we will never hit it here either.
+     */
+    _dw_box_pack(box, item, 65536, width, height, hsize, vsize, pad, "dw_box_pack_start()");
+}
+
+/*
+ * Pack windows (widgets) into a box from the end (or bottom).
+ * Parameters:
+ *       box: Window handle of the box to be packed into.
+ *       item: Window handle of the item to pack.
+ *       width: Width in pixels of the item or -1 to be self determined.
+ *       height: Height in pixels of the item or -1 to be self determined.
+ *       hsize: TRUE if the window (widget) should expand horizontally to fill space given.
+ *       vsize: TRUE if the window (widget) should expand vertically to fill space given.
+ *       pad: Number of pixels of padding around the item.
+ */
+void API dw_box_pack_end(HWND box, HWND item, int width, int height, int hsize, int vsize, int pad)
+{
+    _dw_box_pack(box, item, 0, width, height, hsize, vsize, pad, "dw_box_pack_end()");
+}
+
+/*
+ * Create a new button window (widget) to be packed.
+ * Parameters:
+ *       text: The text to be display by the static text widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a button window or NULL on failure.
+ */
+HWND API dw_button_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Create a new Entryfield window (widget) to be packed.
+ * Parameters:
+ *       text: The default text to be in the entryfield widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to an entryfield window or NULL on failure.
+ */
+HWND API dw_entryfield_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Create a new Entryfield (password) window (widget) to be packed.
+ * Parameters:
+ *       text: The default text to be in the entryfield widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to an entryfield password window or NULL on failure.
+ */
+HWND API dw_entryfield_password_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Sets the entryfield character limit.
+ * Parameters:
+ *          handle: Handle to the spinbutton to be set.
+ *          limit: Number of characters the entryfield will take.
+ */
+void API dw_entryfield_set_limit(HWND handle, ULONG limit)
+{
+}
+
+/*
+ * Create a new bitmap button window (widget) to be packed.
+ * Parameters:
+ *       text: Bubble help text to be displayed.
+ *       id: An ID of a bitmap in the resource file.
+ * Returns:
+ *       A handle to a bitmap button window or NULL on failure.
+ */
+HWND API dw_bitmapbutton_new(const char *text, ULONG resid)
+{
+    return 0;
+}
+
+/*
+ * Create a new bitmap button window (widget) to be packed from a file.
+ * Parameters:
+ *       text: Bubble help text to be displayed.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ *       filename: Name of the file, omit extention to have
+ *                 DW pick the appropriate file extension.
+ *                 (BMP on OS/2 or Windows, XPM on Unix)
+ * Returns:
+ *       A handle to a bitmap button window or NULL on failure.
+ */
+HWND API dw_bitmapbutton_new_from_file(const char *text, unsigned long cid, const char *filename)
+{
+    return 0;
+}
+
+/*
+ * Create a new bitmap button window (widget) to be packed from data.
+ * Parameters:
+ *       text: Bubble help text to be displayed.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ *       data: The contents of the image
+ *            (BMP or ICO on OS/2 or Windows, XPM on Unix)
+ *       len: length of str
+ * Returns:
+ *       A handle to a bitmap button window or NULL on failure.
+ */
+HWND API dw_bitmapbutton_new_from_data(const char *text, unsigned long cid, const char *data, int len)
+{
+    return 0;
+}
+
+/*
+ * Create a new spinbutton window (widget) to be packed.
+ * Parameters:
+ *       text: The text to be display by the static text widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a spinbutton window or NULL on failure.
+ */
+HWND API dw_spinbutton_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Sets the spinbutton value.
+ * Parameters:
+ *          handle: Handle to the spinbutton to be set.
+ *          position: Current value of the spinbutton.
+ */
+void API dw_spinbutton_set_pos(HWND handle, long position)
+{
+}
+
+/*
+ * Sets the spinbutton limits.
+ * Parameters:
+ *          handle: Handle to the spinbutton to be set.
+ *          upper: Upper limit.
+ *          lower: Lower limit.
+ */
+void API dw_spinbutton_set_limits(HWND handle, long upper, long lower)
+{
+}
+
+/*
+ * Returns the current value of the spinbutton.
+ * Parameters:
+ *          handle: Handle to the spinbutton to be queried.
+ * Returns:
+ *       Number value displayed in the spinbutton.
+ */
+long API dw_spinbutton_get_pos(HWND handle)
+{
+    return 0;
+}
+
+/*
+ * Create a new radiobutton window (widget) to be packed.
+ * Parameters:
+ *       text: The text to be display by the static text widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a radio button window or NULL on failure.
+ */
+HWND API dw_radiobutton_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Create a new slider window (widget) to be packed.
+ * Parameters:
+ *       vertical: TRUE or FALSE if slider is vertical.
+ *       increments: Number of increments available.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a slider window or NULL on failure.
+ */
+HWND API dw_slider_new(int vertical, int increments, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Returns the position of the slider.
+ * Parameters:
+ *          handle: Handle to the slider to be queried.
+ * Returns:
+ *       Position of the slider in the set range.
+ */
+unsigned int API dw_slider_get_pos(HWND handle)
+{
+    return 0;
+}
+
+/*
+ * Sets the slider position.
+ * Parameters:
+ *          handle: Handle to the slider to be set.
+ *          position: Position of the slider withing the range.
+ */
+void API dw_slider_set_pos(HWND handle, unsigned int position)
+{
+}
+
+/*
+ * Create a new scrollbar window (widget) to be packed.
+ * Parameters:
+ *       vertical: TRUE or FALSE if scrollbar is vertical.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a scrollbar window or NULL on failure.
+ */
+HWND API dw_scrollbar_new(int vertical, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Returns the position of the scrollbar.
+ * Parameters:
+ *          handle: Handle to the scrollbar to be queried.
+ * Returns:
+ *       Position of the scrollbar in the set range.
+ */
+unsigned int API dw_scrollbar_get_pos(HWND handle)
+{
+    return 0;
+}
+
+/*
+ * Sets the scrollbar position.
+ * Parameters:
+ *          handle: Handle to the scrollbar to be set.
+ *          position: Position of the scrollbar withing the range.
+ */
+void API dw_scrollbar_set_pos(HWND handle, unsigned int position)
+{
+}
+
+/*
+ * Sets the scrollbar range.
+ * Parameters:
+ *          handle: Handle to the scrollbar to be set.
+ *          range: Maximum range value.
+ *          visible: Visible area relative to the range.
+ */
+void API dw_scrollbar_set_range(HWND handle, unsigned int range, unsigned int visible)
+{
+}
+
+/*
+ * Create a new percent bar window (widget) to be packed.
+ * Parameters:
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a percent bar window or NULL on failure.
+ */
+HWND API dw_percent_new(ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Sets the percent bar position.
+ * Parameters:
+ *          handle: Handle to the percent bar to be set.
+ *          position: Position of the percent bar withing the range.
+ */
+void API dw_percent_set_pos(HWND handle, unsigned int position)
+{
+}
+
+/*
+ * Create a new checkbox window (widget) to be packed.
+ * Parameters:
+ *       text: The text to be display by the static text widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a checkbox window or NULL on failure.
+ */
+HWND API dw_checkbox_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Returns the state of the checkbox.
+ * Parameters:
+ *          handle: Handle to the checkbox to be queried.
+ * Returns:
+ *       State of checkbox (TRUE or FALSE).
+ */
+int API dw_checkbox_get(HWND handle)
+{
+    return FALSE;
+}
+
+/*
+ * Sets the state of the checkbox.
+ * Parameters:
+ *          handle: Handle to the checkbox to be queried.
+ *          value: TRUE for checked, FALSE for unchecked.
+ */
+void API dw_checkbox_set(HWND handle, int value)
+{
+}
+
+/*
+ * Create a new listbox window (widget) to be packed.
+ * Parameters:
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ *       multi: Multiple select TRUE or FALSE.
+ * Returns:
+ *       A handle to a listbox window or NULL on failure.
+ */
+HWND API dw_listbox_new(ULONG cid, int multi)
+{
+    return 0;
+}
+
+/*
+ * Appends the specified text to the listbox's (or combobox) entry list.
+ * Parameters:
+ *          handle: Handle to the listbox to be appended to.
+ *          text: Text to append into listbox.
+ */
+void API dw_listbox_append(HWND handle, const char *text)
+{
+}
+
+/*
+ * Inserts the specified text into the listbox's (or combobox) entry list.
+ * Parameters:
+ *          handle: Handle to the listbox to be inserted into.
+ *          text: Text to insert into listbox.
+ *          pos: 0-based position to insert text
+ */
+void API dw_listbox_insert(HWND handle, const char *text, int pos)
+{
+}
+
+/*
+ * Appends the specified text items to the listbox's (or combobox) entry list.
+ * Parameters:
+ *          handle: Handle to the listbox to be appended to.
+ *          text: Text strings to append into listbox.
+ *          count: Number of text strings to append
+ */
+void API dw_listbox_list_append(HWND handle, char **text, int count)
+{
+}
+
+/*
+ * Clears the listbox's (or combobox) list of all entries.
+ * Parameters:
+ *          handle: Handle to the listbox to be cleared.
+ */
+void API dw_listbox_clear(HWND handle)
+{
+}
+
+/*
+ * Returns the listbox's item count.
+ * Parameters:
+ *          handle: Handle to the listbox to be counted.
+ * Returns:
+ *       The number of items in the listbox.
+ */
+int API dw_listbox_count(HWND handle)
+{
+    return 0;
+}
+
+/*
+ * Sets the topmost item in the viewport.
+ * Parameters:
+ *          handle: Handle to the listbox to be cleared.
+ *          top: Index to the top item.
+ */
+void API dw_listbox_set_top(HWND handle, int top)
+{
+}
+
+/*
+ * Copies the given index item's text into buffer.
+ * Parameters:
+ *          handle: Handle to the listbox to be queried.
+ *          index: Index into the list to be queried.
+ *          buffer: Buffer where text will be copied.
+ *          length: Length of the buffer (including NULL).
+ */
+void API dw_listbox_get_text(HWND handle, unsigned int index, char *buffer, unsigned int length)
+{
+}
+
+/*
+ * Sets the text of a given listbox entry.
+ * Parameters:
+ *          handle: Handle to the listbox to be queried.
+ *          index: Index into the list to be queried.
+ *          buffer: Buffer where text will be copied.
+ */
+void API dw_listbox_set_text(HWND handle, unsigned int index, const char *buffer)
+{
+}
+
+/*
+ * Returns the index to the item in the list currently selected.
+ * Parameters:
+ *          handle: Handle to the listbox to be queried.
+ * Returns:
+ *       The selected item index or DW_ERROR_UNKNOWN (-1) on error.
+ */
+int API dw_listbox_selected(HWND handle)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Returns the index to the current selected item or -1 when done.
+ * Parameters:
+ *          handle: Handle to the listbox to be queried.
+ *          where: Either the previous return or -1 to restart.
+ * Returns:
+ *       The next selected item or DW_ERROR_UNKNOWN (-1) on error.
+ */
+int API dw_listbox_selected_multi(HWND handle, int where)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Sets the selection state of a given index.
+ * Parameters:
+ *          handle: Handle to the listbox to be set.
+ *          index: Item index.
+ *          state: TRUE if selected FALSE if unselected.
+ */
+void API dw_listbox_select(HWND handle, int index, int state)
+{
+}
+
+/*
+ * Deletes the item with given index from the list.
+ * Parameters:
+ *          handle: Handle to the listbox to be set.
+ *          index: Item index.
+ */
+void API dw_listbox_delete(HWND handle, int index)
+{
+}
+
+/*
+ * Create a new Combobox window (widget) to be packed.
+ * Parameters:
+ *       text: The default text to be in the combpbox widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a combobox window or NULL on failure.
+ */
+HWND API dw_combobox_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Create a new Multiline Editbox window (widget) to be packed.
+ * Parameters:
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a MLE window or NULL on failure.
+ */
+HWND API dw_mle_new(ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Adds text to an MLE box and returns the current point.
+ * Parameters:
+ *          handle: Handle to the MLE to be queried.
+ *          buffer: Text buffer to be imported.
+ *          startpoint: Point to start entering text.
+ * Returns:
+ *       Current position in the buffer.
+ */
+unsigned int API dw_mle_import(HWND handle, const char *buffer, int startpoint)
+{
+    return 0;
+}
+
+/*
+ * Grabs text from an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to be queried.
+ *          buffer: Text buffer to be exported.
+ *          startpoint: Point to start grabbing text.
+ *          length: Amount of text to be grabbed.
+ */
+void API dw_mle_export(HWND handle, char *buffer, int startpoint, int length)
+{
+}
+
+/*
+ * Obtains information about an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to be queried.
+ *          bytes: A pointer to a variable to return the total bytes.
+ *          lines: A pointer to a variable to return the number of lines.
+ */
+void API dw_mle_get_size(HWND handle, unsigned long *bytes, unsigned long *lines)
+{
+    if(bytes)
+        *bytes = 0;
+    if(lines)
+        *lines = 0;
+}
+
+/*
+ * Deletes text from an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to be deleted from.
+ *          startpoint: Point to start deleting text.
+ *          length: Amount of text to be deleted.
+ */
+void API dw_mle_delete(HWND handle, int startpoint, int length)
+{
+}
+
+/*
+ * Clears all text from an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to be cleared.
+ */
+void API dw_mle_clear(HWND handle)
+{
+}
+
+/*
+ * Sets the visible line of an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to be positioned.
+ *          line: Line to be visible.
+ */
+void API dw_mle_set_visible(HWND handle, int line)
+{
+}
+
+/*
+ * Sets the editablity of an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE.
+ *          state: TRUE if it can be edited, FALSE for readonly.
+ */
+void API dw_mle_set_editable(HWND handle, int state)
+{
+}
+
+/*
+ * Sets the word wrap state of an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE.
+ *          state: TRUE if it wraps, FALSE if it doesn't.
+ */
+void API dw_mle_set_word_wrap(HWND handle, int state)
+{
+}
+
+/*
+ * Sets the current cursor position of an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to be positioned.
+ *          point: Point to position cursor.
+ */
+void API dw_mle_set_cursor(HWND handle, int point)
+{
+}
+
+/*
+ * Sets the word auto complete state of an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE.
+ *          state: Bitwise combination of DW_MLE_COMPLETE_TEXT/DASH/QUOTE
+ */
+void API dw_mle_set_auto_complete(HWND handle, int state)
+{
+}
+
+/*
+ * Finds text in an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to be cleared.
+ *          text: Text to search for.
+ *          point: Start point of search.
+ *          flags: Search specific flags.
+ * Returns:
+ *       Position in buffer or DW_ERROR_UNKNOWN (-1) on error.
+ */
+int API dw_mle_search(HWND handle, const char *text, int point, unsigned long flags)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Stops redrawing of an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to freeze.
+ */
+void API dw_mle_freeze(HWND handle)
+{
+}
+
+/*
+ * Resumes redrawing of an MLE box.
+ * Parameters:
+ *          handle: Handle to the MLE to thaw.
+ */
+void API dw_mle_thaw(HWND handle)
+{
+}
+
+/*
+ * Create a new status text window (widget) to be packed.
+ * Parameters:
+ *       text: The text to be display by the static text widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a status text window or NULL on failure.
+ */
+HWND API dw_status_text_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Create a new static text window (widget) to be packed.
+ * Parameters:
+ *       text: The text to be display by the static text widget.
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       A handle to a text window or NULL on failure.
+ */
+HWND API dw_text_new(const char *text, ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Creates a rendering context widget (window) to be packed.
+ * Parameters:
+ *       id: An id to be used with dw_window_from_id.
+ * Returns:
+ *       A handle to the widget or NULL on failure.
+ */
+HWND API dw_render_new(unsigned long cid)
+{
+    return 0;
+}
+
+/*
+ * Invalidate the render widget triggering an expose event.
+ * Parameters:
+ *       handle: A handle to a render widget to be redrawn.
+ */
+void API dw_render_redraw(HWND handle)
+{
+}
+
+/* Sets the current foreground drawing color.
+ * Parameters:
+ *       red: red value.
+ *       green: green value.
+ *       blue: blue value.
+ */
+void API dw_color_foreground_set(unsigned long value)
+{
+}
+
+/* Sets the current background drawing color.
+ * Parameters:
+ *       red: red value.
+ *       green: green value.
+ *       blue: blue value.
+ */
+void API dw_color_background_set(unsigned long value)
+{
+}
+
+/* Allows the user to choose a color using the system's color chooser dialog.
+ * Parameters:
+ *       value: current color
+ * Returns:
+ *       The selected color or the current color if cancelled.
+ */
+unsigned long API dw_color_choose(unsigned long value)
+{
+    return value;
+}
+
+/* Draw a point on a window (preferably a render window).
+ * Parameters:
+ *       handle: Handle to the window.
+ *       pixmap: Handle to the pixmap. (choose only one of these)
+ *       x: X coordinate.
+ *       y: Y coordinate.
+ */
+void API dw_draw_point(HWND handle, HPIXMAP pixmap, int x, int y)
+{
+}
+
+/* Draw a line on a window (preferably a render window).
+ * Parameters:
+ *       handle: Handle to the window.
+ *       pixmap: Handle to the pixmap. (choose only one of these)
+ *       x1: First X coordinate.
+ *       y1: First Y coordinate.
+ *       x2: Second X coordinate.
+ *       y2: Second Y coordinate.
+ */
+void API dw_draw_line(HWND handle, HPIXMAP pixmap, int x1, int y1, int x2, int y2)
+{
+}
+
+/* Draw text on a window (preferably a render window).
+ * Parameters:
+ *       handle: Handle to the window.
+ *       pixmap: Handle to the pixmap. (choose only one of these)
+ *       x: X coordinate.
+ *       y: Y coordinate.
+ *       text: Text to be displayed.
+ */
+void API dw_draw_text(HWND handle, HPIXMAP pixmap, int x, int y, const char *text)
+{
+}
+
+/* Query the width and height of a text string.
+ * Parameters:
+ *       handle: Handle to the window.
+ *       pixmap: Handle to the pixmap. (choose only one of these)
+ *       text: Text to be queried.
+ *       width: Pointer to a variable to be filled in with the width.
+ *       height: Pointer to a variable to be filled in with the height.
+ */
+void API dw_font_text_extents_get(HWND handle, HPIXMAP pixmap, const char *text, int *width, int *height)
+{
+}
+
+/* Draw a polygon on a window (preferably a render window).
+ * Parameters:
+ *       handle: Handle to the window.
+ *       pixmap: Handle to the pixmap. (choose only one of these)
+ *       flags: DW_DRAW_FILL (1) to fill the polygon or DW_DRAW_DEFAULT (0).
+ *       npoints: Number of points passed in.
+ *       x: Pointer to array of X coordinates.
+ *       y: Pointer to array of Y coordinates.
+ */
+void API dw_draw_polygon( HWND handle, HPIXMAP pixmap, int flags, int npoints, int *x, int *y )
+{
+}
+
+/* Draw a rectangle on a window (preferably a render window).
+ * Parameters:
+ *       handle: Handle to the window.
+ *       pixmap: Handle to the pixmap. (choose only one of these)
+ *       flags: DW_DRAW_FILL (1) to fill the box or DW_DRAW_DEFAULT (0).
+ *       x: X coordinate.
+ *       y: Y coordinate.
+ *       width: Width of rectangle.
+ *       height: Height of rectangle.
+ */
+void API dw_draw_rect(HWND handle, HPIXMAP pixmap, int flags, int x, int y, int width, int height)
+{
+}
+
+/* Draw an arc on a window (preferably a render window).
+ * Parameters:
+ *       handle: Handle to the window.
+ *       pixmap: Handle to the pixmap. (choose only one of these)
+ *       flags: DW_DRAW_FILL (1) to fill the arc or DW_DRAW_DEFAULT (0).
+ *              DW_DRAW_FULL will draw a complete circle/elipse.
+ *       xorigin: X coordinate of center of arc.
+ *       yorigin: Y coordinate of center of arc.
+ *       x1: X coordinate of first segment of arc.
+ *       y1: Y coordinate of first segment of arc.
+ *       x2: X coordinate of second segment of arc.
+ *       y2: Y coordinate of second segment of arc.
+ */
+void API dw_draw_arc(HWND handle, HPIXMAP pixmap, int flags, int xorigin, int yorigin, int x1, int y1, int x2, int y2)
+{
+}
+
+/*
+ * Create a tree object to be packed.
+ * Parameters:
+ *       id: An ID to be used for getting the resource from the
+ *           resource file.
+ * Returns:
+ *       A handle to a tree window or NULL on failure.
+ */
+HWND API dw_tree_new(ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Inserts an item into a tree window (widget) after another item.
+ * Parameters:
+ *          handle: Handle to the tree to be inserted.
+ *          item: Handle to the item to be positioned after.
+ *          title: The text title of the entry.
+ *          icon: Handle to coresponding icon.
+ *          parent: Parent handle or 0 if root.
+ *          itemdata: Item specific data.
+ * Returns:
+ *       A handle to a tree item or NULL on failure.
+ */
+HTREEITEM API dw_tree_insert_after(HWND handle, HTREEITEM item, const char *title, HICN icon, HTREEITEM parent, void *itemdata)
+{
+    return 0;
+}
+
+/*
+ * Inserts an item into a tree window (widget).
+ * Parameters:
+ *          handle: Handle to the tree to be inserted.
+ *          title: The text title of the entry.
+ *          icon: Handle to coresponding icon.
+ *          parent: Parent handle or 0 if root.
+ *          itemdata: Item specific data.
+ * Returns:
+ *       A handle to a tree item or NULL on failure.
+ */
+HTREEITEM API dw_tree_insert(HWND handle, const char *title, HICN icon, HTREEITEM parent, void *itemdata)
+{
+    return 0;
+}
+
+/*
+ * Gets the text an item in a tree window (widget).
+ * Parameters:
+ *          handle: Handle to the tree containing the item.
+ *          item: Handle of the item to be modified.
+ * Returns:
+ *       A malloc()ed buffer of item text to be dw_free()ed or NULL on error.
+ */
+char * API dw_tree_get_title(HWND handle, HTREEITEM item)
+{
+    return NULL;
+}
+
+/*
+ * Gets the text an item in a tree window (widget).
+ * Parameters:
+ *          handle: Handle to the tree containing the item.
+ *          item: Handle of the item to be modified.
+ * Returns:
+ *       A handle to a tree item or NULL on failure.
+ */
+HTREEITEM API dw_tree_get_parent(HWND handle, HTREEITEM item)
+{
+    return 0;
+}
+
+/*
+ * Sets the text and icon of an item in a tree window (widget).
+ * Parameters:
+ *          handle: Handle to the tree containing the item.
+ *          item: Handle of the item to be modified.
+ *          title: The text title of the entry.
+ *          icon: Handle to coresponding icon.
+ */
+void API dw_tree_item_change(HWND handle, HTREEITEM item, const char *title, HICN icon)
+{
+}
+
+/*
+ * Sets the item data of a tree item.
+ * Parameters:
+ *          handle: Handle to the tree containing the item.
+ *          item: Handle of the item to be modified.
+ *          itemdata: User defined data to be associated with item.
+ */
+void API dw_tree_item_set_data(HWND handle, HTREEITEM item, void *itemdata)
+{
+}
+
+/*
+ * Gets the item data of a tree item.
+ * Parameters:
+ *          handle: Handle to the tree containing the item.
+ *          item: Handle of the item to be modified.
+ * Returns:
+ *       A pointer to tree item data or NULL on failure.
+ */
+void * API dw_tree_item_get_data(HWND handle, HTREEITEM item)
+{
+    return NULL;
+}
+
+/*
+ * Sets this item as the active selection.
+ * Parameters:
+ *       handle: Handle to the tree window (widget) to be selected.
+ *       item: Handle to the item to be selected.
+ */
+void API dw_tree_item_select(HWND handle, HTREEITEM item)
+{
+}
+
+/*
+ * Removes all nodes from a tree.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be cleared.
+ */
+void API dw_tree_clear(HWND handle)
+{
+}
+
+/*
+ * Expands a node on a tree.
+ * Parameters:
+ *       handle: Handle to the tree window (widget).
+ *       item: Handle to node to be expanded.
+ */
+void API dw_tree_item_expand(HWND handle, HTREEITEM item)
+{
+}
+
+/*
+ * Collapses a node on a tree.
+ * Parameters:
+ *       handle: Handle to the tree window (widget).
+ *       item: Handle to node to be collapsed.
+ */
+void API dw_tree_item_collapse(HWND handle, HTREEITEM item)
+{
+}
+
+/*
+ * Removes a node from a tree.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be cleared.
+ *       item: Handle to node to be deleted.
+ */
+void API dw_tree_item_delete(HWND handle, HTREEITEM item)
+{
+}
+
+/*
+ * Create a container object to be packed.
+ * Parameters:
+ *       id: An ID to be used for getting the resource from the
+ *           resource file.
+ * Returns:
+ *       A handle to a container window or NULL on failure.
+ */
+HWND API dw_container_new(ULONG cid, int multi)
+{
+    return 0;
+}
+
+/*
+ * Sets up the container columns.
+ * Parameters:
+ *          handle: Handle to the container to be configured.
+ *          flags: An array of unsigned longs with column flags.
+ *          titles: An array of strings with column text titles.
+ *          count: The number of columns (this should match the arrays).
+ *          separator: The column number that contains the main separator.
+ *                     (this item may only be used in OS/2)
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_container_setup(HWND handle, unsigned long *flags, char **titles, int count, int separator)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Configures the main filesystem column title for localization.
+ * Parameters:
+ *          handle: Handle to the container to be configured.
+ *          title: The title to be displayed in the main column.
+ */
+void API dw_filesystem_set_column_title(HWND handle, const char *title)
+{
+}
+
+/*
+ * Sets up the filesystem columns, note: filesystem always has an icon/filename field.
+ * Parameters:
+ *          handle: Handle to the container to be configured.
+ *          flags: An array of unsigned longs with column flags.
+ *          titles: An array of strings with column text titles.
+ *          count: The number of columns (this should match the arrays).
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_filesystem_setup(HWND handle, unsigned long *flags, char **titles, int count)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Allocates memory used to populate a container.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          rowcount: The number of items to be populated.
+ * Returns:
+ *       Handle to container items allocated or NULL on error.
+ */
+void * API dw_container_alloc(HWND handle, int rowcount)
+{
+    return NULL;
+}
+
+/*
+ * Sets an item in specified row and column to the given data.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          pointer: Pointer to the allocated memory in dw_container_alloc().
+ *          column: Zero based column of data being set.
+ *          row: Zero based row of data being set.
+ *          data: Pointer to the data to be added.
+ */
+void API dw_container_set_item(HWND handle, void *pointer, int column, int row, void *data)
+{
+}
+
+/*
+ * Changes an existing item in specified row and column to the given data.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          column: Zero based column of data being set.
+ *          row: Zero based row of data being set.
+ *          data: Pointer to the data to be added.
+ */
+void API dw_container_change_item(HWND handle, int column, int row, void *data)
+{
+}
+
+/*
+ * Changes an existing item in specified row and column to the given data.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          column: Zero based column of data being set.
+ *          row: Zero based row of data being set.
+ *          data: Pointer to the data to be added.
+ */
+void API dw_filesystem_change_item(HWND handle, int column, int row, void *data)
+{
+}
+
+/*
+ * Changes an item in specified row and column to the given data.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          pointer: Pointer to the allocated memory in dw_container_alloc().
+ *          column: Zero based column of data being set.
+ *          row: Zero based row of data being set.
+ *          data: Pointer to the data to be added.
+ */
+void API dw_filesystem_change_file(HWND handle, int row, const char *filename, HICN icon)
+{
+}
+
+/*
+ * Sets an item in specified row and column to the given data.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          pointer: Pointer to the allocated memory in dw_container_alloc().
+ *          column: Zero based column of data being set.
+ *          row: Zero based row of data being set.
+ *          data: Pointer to the data to be added.
+ */
+void API dw_filesystem_set_file(HWND handle, void *pointer, int row, const char *filename, HICN icon)
+{
+}
+
+/*
+ * Sets an item in specified row and column to the given data.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          pointer: Pointer to the allocated memory in dw_container_alloc().
+ *          column: Zero based column of data being set.
+ *          row: Zero based row of data being set.
+ *          data: Pointer to the data to be added.
+ */
+void API dw_filesystem_set_item(HWND handle, void *pointer, int column, int row, void *data)
+{
+}
+
+/*
+ * Sets the data of a row in the container.
+ * Parameters:
+ *          pointer: Pointer to the allocated memory in dw_container_alloc().
+ *          row: Zero based row of data being set.
+ *          data: Data pointer.
+ */
+void API dw_container_set_row_data(void *pointer, int row, void *data)
+{
+}
+
+/*
+ * Changes the data of a row already inserted in the container.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          row: Zero based row of data being set.
+ *          data: Data pointer.
+ */
+void API dw_container_change_row_data(HWND handle, int row, void *data)
+{
+}
+
+/*
+ * Gets column type for a container column.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          column: Zero based column.
+ * Returns:
+ *       Constant identifying the the column type.
+ */
+int API dw_container_get_column_type(HWND handle, int column)
+{
+    return 0;
+}
+
+/*
+ * Gets column type for a filesystem container column.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          column: Zero based column.
+ * Returns:
+ *       Constant identifying the the column type.
+ */
+int API dw_filesystem_get_column_type(HWND handle, int column)
+{
+    return 0;
+}
+
+/*
+ * Sets the alternating row colors for container window (widget) handle.
+ * Parameters:
+ *          handle: The window (widget) handle.
+ *          oddcolor: Odd row background color in DW_RGB format or a default color index.
+ *          evencolor: Even row background color in DW_RGB format or a default color index.
+ *                    DW_RGB_TRANSPARENT will disable coloring rows.
+ *                    DW_CLR_DEFAULT will use the system default alternating row colors.
+ */
+void API dw_container_set_stripe(HWND handle, unsigned long oddcolor, unsigned long evencolor)
+{
+}
+
+/*
+ * Sets the width of a column in the container.
+ * Parameters:
+ *          handle: Handle to window (widget) of container.
+ *          column: Zero based column of width being set.
+ *          width: Width of column in pixels.
+ */
+void API dw_container_set_column_width(HWND handle, int column, int width)
+{
+}
+
+/*
+ * Sets the title of a row in the container.
+ * Parameters:
+ *          pointer: Pointer to the allocated memory in dw_container_alloc().
+ *          row: Zero based row of data being set.
+ *          title: String title of the item.
+ */
+void API dw_container_set_row_title(void *pointer, int row, const char *title)
+{
+}
+
+
+/*
+ * Sets the title of a row in the container.
+ * Parameters:
+ *          handle: Handle to window (widget) of container.
+ *          row: Zero based row of data being set.
+ *          title: String title of the item.
+ */
+void API dw_container_change_row_title(HWND handle, int row, const char *title)
+{
+}
+
+/*
+ * Sets the title of a row in the container.
+ * Parameters:
+ *          handle: Handle to the container window (widget).
+ *          pointer: Pointer to the allocated memory in dw_container_alloc().
+ *          rowcount: The number of rows to be inserted.
+ */
+void API dw_container_insert(HWND handle, void *pointer, int rowcount)
+{
+}
+
+/*
+ * Removes all rows from a container.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be cleared.
+ *       redraw: TRUE to cause the container to redraw immediately.
+ */
+void API dw_container_clear(HWND handle, int redraw)
+{
+}
+
+/*
+ * Removes the first x rows from a container.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be deleted from.
+ *       rowcount: The number of rows to be deleted.
+ */
+void API dw_container_delete(HWND handle, int rowcount)
+{
+}
+
+/*
+ * Scrolls container up or down.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be scrolled.
+ *       direction: DW_SCROLL_UP, DW_SCROLL_DOWN, DW_SCROLL_TOP or
+ *                  DW_SCROLL_BOTTOM. (rows is ignored for last two)
+ *       rows: The number of rows to be scrolled.
+ */
+void API dw_container_scroll(HWND handle, int direction, long rows)
+{
+}
+
+/*
+ * Starts a new query of a container.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be queried.
+ *       flags: If this parameter is DW_CRA_SELECTED it will only
+ *              return items that are currently selected.  Otherwise
+ *              it will return all records in the container.
+ * Returns:
+ *       Pointer to data associated with first entry or NULL on error.
+ */
+char * API dw_container_query_start(HWND handle, unsigned long flags)
+{
+    return NULL;
+}
+
+/*
+ * Continues an existing query of a container.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be queried.
+ *       flags: If this parameter is DW_CRA_SELECTED it will only
+ *              return items that are currently selected.  Otherwise
+ *              it will return all records in the container.
+ * Returns:
+ *       Pointer to data associated with next entry or NULL on error or completion.
+ */
+char * API dw_container_query_next(HWND handle, unsigned long flags)
+{
+    return NULL;
+}
+
+/*
+ * Cursors the item with the text speficied, and scrolls to that item.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be queried.
+ *       text:  Text usually returned by dw_container_query().
+ */
+void API dw_container_cursor(HWND handle, const char *text)
+{
+}
+
+/*
+ * Cursors the item with the data speficied, and scrolls to that item.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be queried.
+ *       data:  Data usually returned by dw_container_query().
+ */
+void API dw_container_cursor_by_data(HWND handle, void *data)
+{
+}
+
+/*
+ * Deletes the item with the text speficied.
+ * Parameters:
+ *       handle: Handle to the window (widget).
+ *       text:  Text usually returned by dw_container_query().
+ */
+void API dw_container_delete_row(HWND handle, const char *text)
+{
+}
+
+/*
+ * Deletes the item with the data speficied.
+ * Parameters:
+ *       handle: Handle to the window (widget).
+ *       data:  Data usually returned by dw_container_query().
+ */
+void API dw_container_delete_row_by_data(HWND handle, void *data)
+{
+}
+
+/*
+ * Optimizes the column widths so that all data is visible.
+ * Parameters:
+ *       handle: Handle to the window (widget) to be optimized.
+ */
+void API dw_container_optimize(HWND handle)
+{
+}
+
+/*
+ * Inserts an icon into the taskbar.
+ * Parameters:
+ *       handle: Window handle that will handle taskbar icon messages.
+ *       icon: Icon handle to display in the taskbar.
+ *       bubbletext: Text to show when the mouse is above the icon.
+ */
+void API dw_taskbar_insert(HWND handle, HICN icon, const char *bubbletext)
+{
+}
+
+/*
+ * Deletes an icon from the taskbar.
+ * Parameters:
+ *       handle: Window handle that was used with dw_taskbar_insert().
+ *       icon: Icon handle that was used with dw_taskbar_insert().
+ */
+void API dw_taskbar_delete(HWND handle, HICN icon)
+{
+}
+
+/*
+ * Obtains an icon from a module (or header in GTK).
+ * Parameters:
+ *          module: Handle to module (DLL) in OS/2 and Windows.
+ *          id: A unsigned long id int the resources on OS/2 and
+ *              Windows, on GTK this is converted to a pointer
+ *              to an embedded XPM.
+ * Returns:
+ *       Handle to the created icon or NULL on error.
+ */
+HICN API dw_icon_load(unsigned long module, unsigned long resid)
+{
+    return 0;
+}
+
+/*
+ * Obtains an icon from a file.
+ * Parameters:
+ *       filename: Name of the file, omit extention to have
+ *                 DW pick the appropriate file extension.
+ *                 (ICO on OS/2 or Windows, XPM on Unix)
+ * Returns:
+ *       Handle to the created icon or NULL on error.
+ */
+HICN API dw_icon_load_from_file(const char *filename)
+{
+    return 0;
+}
+
+/*
+ * Obtains an icon from data.
+ * Parameters:
+ *       data: Data for the icon (ICO on OS/2 or Windows, XPM on Unix, PNG on Mac)
+ *       len: Length of the passed in data.
+ * Returns:
+ *       Handle to the created icon or NULL on error.
+ */
+HICN API dw_icon_load_from_data(const char *data, int len)
+{
+    return 0;
+}
+
+/*
+ * Frees a loaded icon resource.
+ * Parameters:
+ *          handle: Handle to icon returned by dw_icon_load().
+ */
+void API dw_icon_free(HICN handle)
+{
+}
+
+/*
+ * Create a new MDI Frame to be packed.
+ * Parameters:
+ *       id: An ID to be used with dw_window_from_id or 0L.
+ * Returns:
+ *       Handle to the created MDI widget or NULL on error.
+ */
+HWND API dw_mdi_new(unsigned long cid)
+{
+    return 0;
+}
+
+/*
+ * Creates a splitbar window (widget) with given parameters.
+ * Parameters:
+ *       type: Value can be DW_VERT or DW_HORZ.
+ *       topleft: Handle to the window to be top or left.
+ *       bottomright:  Handle to the window to be bottom or right.
+ * Returns:
+ *       A handle to a splitbar window or NULL on failure.
+ */
+HWND API dw_splitbar_new(int type, HWND topleft, HWND bottomright, unsigned long cid)
+{
+    return 0;
+}
+
+/*
+ * Sets the position of a splitbar (pecentage).
+ * Parameters:
+ *       handle: The handle to the splitbar returned by dw_splitbar_new().
+ *       percent: The position of the splitbar.
+ */
+void API dw_splitbar_set(HWND handle, float percent)
+{
+}
+
+/*
+ * Gets the position of a splitbar (pecentage).
+ * Parameters:
+ *       handle: The handle to the splitbar returned by dw_splitbar_new().
+ * Returns:
+ *       Position of the splitbar (percentage).
+ */
+float API dw_splitbar_get(HWND handle)
+{
+    return 0;
+}
+
+/*
+ * Create a bitmap object to be packed.
+ * Parameters:
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       Handle to the created bitmap widget or NULL on error.
+ */
+HWND API dw_bitmap_new(ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Creates a pixmap with given parameters.
+ * Parameters:
+ *       handle: Window handle the pixmap is associated with.
+ *       width: Width of the pixmap in pixels.
+ *       height: Height of the pixmap in pixels.
+ *       depth: Color depth of the pixmap.
+ * Returns:
+ *       A handle to a pixmap or NULL on failure.
+ */
+HPIXMAP API dw_pixmap_new(HWND handle, unsigned long width, unsigned long height, int depth)
+{
+    return 0;
+}
+
+/*
+ * Creates a pixmap from a file.
+ * Parameters:
+ *       handle: Window handle the pixmap is associated with.
+ *       filename: Name of the file, omit extention to have
+ *                 DW pick the appropriate file extension.
+ *                 (BMP on OS/2 or Windows, XPM on Unix)
+ * Returns:
+ *       A handle to a pixmap or NULL on failure.
+ */
+HPIXMAP API dw_pixmap_new_from_file(HWND handle, const char *filename)
+{
+    return 0;
+}
+
+/*
+ * Creates a pixmap from data in memory.
+ * Parameters:
+ *       handle: Window handle the pixmap is associated with.
+ *       data: Source of the image data
+ *                 (BMP on OS/2 or Windows, XPM on Unix)
+ *       len: Length of data
+ * Returns:
+ *       A handle to a pixmap or NULL on failure.
+ */
+HPIXMAP API dw_pixmap_new_from_data(HWND handle, const char *data, int len)
+{
+    return 0;
+}
+
+/*
+ * Sets the transparent color for a pixmap.
+ * Parameters:
+ *       pixmap: Handle to a pixmap returned by
+ *               dw_pixmap_new..
+ *       color:  Transparent RGB color
+ * Note: This is only necessary on platforms that
+ *       don't handle transparency automatically
+ */
+void API dw_pixmap_set_transparent_color( HPIXMAP pixmap, ULONG color )
+{
+}
+
+/*
+ * Creates a pixmap from internal resource graphic specified by id.
+ * Parameters:
+ *       handle: Window handle the pixmap is associated with.
+ *       id: Resource ID associated with requested pixmap.
+ * Returns:
+ *       A handle to a pixmap or NULL on failure.
+ */
+HPIXMAP API dw_pixmap_grab(HWND handle, ULONG resid)
+{
+    return 0;
+}
+
+/*
+ * Sets the font used by a specified pixmap.
+ * Normally the pixmap font is obtained from the associated window handle.
+ * However this can be used to override that, or for pixmaps with no window.
+ * Parameters:
+ *          pixmap: Handle to a pixmap returned by dw_pixmap_new() or
+ *                  passed to the application via a callback.
+ *          fontname: Name and size of the font in the form "size.fontname"
+ * Returns:
+ *       DW_ERROR_NONE on success and DW_ERROR_GENERAL on failure.
+*/
+int API dw_pixmap_set_font(HPIXMAP pixmap, const char *fontname)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Destroys an allocated pixmap.
+ * Parameters:
+ *       pixmap: Handle to a pixmap returned by
+ *               dw_pixmap_new..
+ */
+void API dw_pixmap_destroy(HPIXMAP pixmap)
+{
+}
+
+/*
+ * Copies from one item to another.
+ * Parameters:
+ *       dest: Destination window handle.
+ *       destp: Destination pixmap. (choose only one).
+ *       xdest: X coordinate of destination.
+ *       ydest: Y coordinate of destination.
+ *       width: Width of area to copy.
+ *       height: Height of area to copy.
+ *       src: Source window handle.
+ *       srcp: Source pixmap. (choose only one).
+ *       xsrc: X coordinate of source.
+ *       ysrc: Y coordinate of source.
+ */
+void API dw_pixmap_bitblt(HWND dest, HPIXMAP destp, int xdest, int ydest, int width, int height, HWND src, HPIXMAP srcp, int xsrc, int ysrc)
+{
+}
+
+/*
+ * Copies from one surface to another allowing for stretching.
+ * Parameters:
+ *       dest: Destination window handle.
+ *       destp: Destination pixmap. (choose only one).
+ *       xdest: X coordinate of destination.
+ *       ydest: Y coordinate of destination.
+ *       width: Width of the target area.
+ *       height: Height of the target area.
+ *       src: Source window handle.
+ *       srcp: Source pixmap. (choose only one).
+ *       xsrc: X coordinate of source.
+ *       ysrc: Y coordinate of source.
+ *       srcwidth: Width of area to copy.
+ *       srcheight: Height of area to copy.
+ * Returns:
+ *       DW_ERROR_NONE on success and DW_ERROR_GENERAL on failure.
+ */
+int API dw_pixmap_stretch_bitblt(HWND dest, HPIXMAP destp, int xdest, int ydest, int width, int height, HWND src, HPIXMAP srcp, int xsrc, int ysrc, int srcwidth, int srcheight)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Create a new calendar window (widget) to be packed.
+ * Parameters:
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       Handle to the created calendar or NULL on error.
+ */
+HWND API dw_calendar_new(ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Sets the current date of a calendar.
+ * Parameters:
+ *       handle: The handle to the calendar returned by dw_calendar_new().
+ *       year, month, day: To set the calendar to display.
+ */
+void API dw_calendar_set_date(HWND handle, unsigned int year, unsigned int month, unsigned int day)
+{
+}
+
+/*
+ * Gets the year, month and day set in the calendar widget.
+ * Parameters:
+ *       handle: The handle to the calendar returned by dw_calendar_new().
+ *       year: Variable to store the year or NULL.
+ *       month: Variable to store the month or NULL.
+ *       day: Variable to store the day or NULL.
+ */
+void API dw_calendar_get_date(HWND handle, unsigned int *year, unsigned int *month, unsigned int *day)
+{
+}
+
+/*
+ * Causes the embedded HTML widget to take action.
+ * Parameters:
+ *       handle: Handle to the window.
+ *       action: One of the DW_HTML_* constants.
+ */
+void API dw_html_action(HWND handle, int action)
+{
+}
+
+/*
+ * Render raw HTML code in the embedded HTML widget..
+ * Parameters:
+ *       handle: Handle to the window.
+ *       string: String buffer containt HTML code to
+ *               be rendered.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_html_raw(HWND handle, const char *string)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Render file or web page in the embedded HTML widget..
+ * Parameters:
+ *       handle: Handle to the window.
+ *       url: Universal Resource Locator of the web or
+ *               file object to be rendered.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_html_url(HWND handle, const char *url)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Executes the javascript contained in "script" in the HTML window.
+ * Parameters:
+ *       handle: Handle to the HTML window.
+ *       script: Javascript code to execute.
+ *       scriptdata: Data passed to the signal handler.
+ * Notes: A DW_SIGNAL_HTML_RESULT event will be raised with scriptdata.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_html_javascript_run(HWND handle, const char *script, void *scriptdata)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Create a new HTML window (widget) to be packed.
+ * Parameters:
+ *       id: An ID to be used with dw_window_from_id() or 0L.
+ * Returns:
+ *       Handle to the created html widget or NULL on error.
+ */
+HWND API dw_html_new(unsigned long cid)
+{
+    return 0;
+}
+
+/*
+ * Returns the current X and Y coordinates of the mouse pointer.
+ * Parameters:
+ *       x: Pointer to variable to store X coordinate or NULL.
+ *       y: Pointer to variable to store Y coordinate or NULL.
+ */
+void API dw_pointer_query_pos(long *x, long *y)
+{
+}
+
+/*
+ * Sets the X and Y coordinates of the mouse pointer.
+ * Parameters:
+ *       x: X coordinate.
+ *       y: Y coordinate.
+ */
+void API dw_pointer_set_pos(long x, long y)
+{
+}
+
+/*
+ * Create a menu object to be popped up.
+ * Parameters:
+ *       id: An ID to be used associated with this menu.
+ * Returns:
+ *       Handle to the created menu or NULL on error.
+ */
+HMENUI API dw_menu_new(ULONG cid)
+{
+    return 0;
+}
+
+/*
+ * Create a menubar on a window.
+ * Parameters:
+ *       location: Handle of a window frame to be attached to.
+ * Returns:
+ *       Handle to the created menu bar or NULL on error.
+ */
+HMENUI API dw_menubar_new(HWND location)
+{
+    return 0;
+}
+
+/*
+ * Destroys a menu created with dw_menubar_new or dw_menu_new.
+ * Parameters:
+ *       menu: Handle of a menu.
+ */
+void API dw_menu_destroy(HMENUI *menu)
+{
+}
+
+/*
+ * Deletes the menu item specified.
+ * Parameters:
+ *       menu: The handle to the  menu in which the item was appended.
+ *       id: Menuitem id.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success or DW_ERROR_UNKNOWN on failure.
+ */
+int API dw_menu_delete_item(HMENUI menux, unsigned long id)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Pops up a context menu at given x and y coordinates.
+ * Parameters:
+ *       menu: The handle the the existing menu.
+ *       parent: Handle to the window initiating the popup.
+ *       x: X coordinate.
+ *       y: Y coordinate.
+ */
+void API dw_menu_popup(HMENUI *menu, HWND parent, int x, int y)
+{
+}
+
+/*
+ * Adds a menuitem or submenu to an existing menu.
+ * Parameters:
+ *       menu: The handle the the existing menu.
+ *       title: The title text on the menu item to be added.
+ *       id: An ID to be used for message passing.
+ *       flags: Extended attributes to set on the menu.
+ *       end: If TRUE memu is positioned at the end of the menu.
+ *       check: If TRUE menu is "check"able.
+ *       submenu: Handle to an existing menu to be a submenu or NULL.
+ * Returns:
+ *       Handle to the created menu item or NULL on error.
+ */
+HWND API dw_menu_append_item(HMENUI menux, const char *title, ULONG itemid, ULONG flags, int end, int check, HMENUI submenux)
+{
+    return 0;
+}
+
+/*
+ * Sets the state of a menu item check.
+ * Deprecated; use dw_menu_item_set_state()
+ * Parameters:
+ *       menu: The handle the the existing menu.
+ *       id: Menuitem id.
+ *       check: TRUE for checked FALSE for not checked.
+ */
+void API dw_menu_item_set_check(HMENUI menux, unsigned long itemid, int check)
+{
+}
+
+/*
+ * Sets the state of a menu item.
+ * Parameters:
+ *       menu: The handle to the existing menu.
+ *       id: Menuitem id.
+ *       flags: DW_MIS_ENABLED/DW_MIS_DISABLED
+ *              DW_MIS_CHECKED/DW_MIS_UNCHECKED
+ */
+void API dw_menu_item_set_state(HMENUI menux, unsigned long itemid, unsigned long state)
+{
+}
+
+/*
+ * Create a notebook object to be packed.
+ * Parameters:
+ *       id: An ID to be used for getting the resource from the
+ *           resource file.
+ * Returns:
+ *       Handle to the created notebook or NULL on error.
+ */
+HWND API dw_notebook_new(ULONG cid, int top)
+{
+    return 0;
+}
+
+/*
+ * Adds a new page to specified notebook.
+ * Parameters:
+ *          handle: Window (widget) handle.
+ *          flags: Any additional page creation flags.
+ *          front: If TRUE page is added at the beginning.
+ * Returns:
+ *       ID of newly created notebook page.
+ */
+unsigned long API dw_notebook_page_new(HWND handle, ULONG flags, int front)
+{
+    return 0;
+}
+
+/*
+ * Remove a page from a notebook.
+ * Parameters:
+ *          handle: Handle to the notebook widget.
+ *          pageid: ID of the page to be destroyed.
+ */
+void API dw_notebook_page_destroy(HWND handle, unsigned int pageid)
+{
+}
+
+/*
+ * Queries the currently visible page ID.
+ * Parameters:
+ *          handle: Handle to the notebook widget.
+ * Returns:
+ *       ID of visible notebook page.
+ */
+unsigned long API dw_notebook_page_get(HWND handle)
+{
+    return 0;
+}
+
+/*
+ * Sets the currently visible page ID.
+ * Parameters:
+ *          handle: Handle to the notebook widget.
+ *          pageid: ID of the page to be made visible.
+ */
+void API dw_notebook_page_set(HWND handle, unsigned int pageid)
+{
+}
+
+/*
+ * Sets the text on the specified notebook tab.
+ * Parameters:
+ *          handle: Notebook handle.
+ *          pageid: Page ID of the tab to set.
+ *          text: Pointer to the text to set.
+ */
+void API dw_notebook_page_set_text(HWND handle, ULONG pageid, const char *text)
+{
+}
+
+/*
+ * Sets the text on the specified notebook tab status area.
+ * Parameters:
+ *          handle: Notebook handle.
+ *          pageid: Page ID of the tab to set.
+ *          text: Pointer to the text to set.
+ */
+void API dw_notebook_page_set_status_text(HWND handle, ULONG pageid, const char *text)
+{
+}
+
+/*
+ * Packs the specified box into the notebook page.
+ * Parameters:
+ *          handle: Handle to the notebook to be packed.
+ *          pageid: Page ID in the notebook which is being packed.
+ *          page: Box handle to be packed.
+ */
+void API dw_notebook_pack(HWND handle, ULONG pageid, HWND page)
+{
+}
+
+/*
+ * Create a new Window Frame.
+ * Parameters:
+ *       owner: The Owner's window handle or HWND_DESKTOP.
+ *       title: The Window title.
+ *       flStyle: Style flags.
+ * Returns:
+ *       Handle to the created window or NULL on error.
+ */
+HWND API dw_window_new(HWND hwndOwner, const char *title, ULONG flStyle)
+{
+    return 0;
+}
+
+/*
+ * Call a function from the window (widget)'s context (typically the message loop thread).
+ * Parameters:
+ *       handle: Window handle of the widget.
+ *       function: Function pointer to be called.
+ *       data: Pointer to the data to be passed to the function.
+ */
+void API dw_window_function(HWND handle, void *function, void *data)
+{
+}
+
+
+/*
+ * Changes the appearance of the mouse pointer.
+ * Parameters:
+ *       handle: Handle to widget for which to change.
+ *       cursortype: ID of the pointer you want.
+ */
+void API dw_window_set_pointer(HWND handle, int pointertype)
+{
+}
+
+/*
+ * Makes the window visible.
+ * Parameters:
+ *           handle: The window handle to make visible.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_show(HWND handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Makes the window invisible.
+ * Parameters:
+ *           handle: The window handle to hide.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_hide(HWND handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Sets the colors used by a specified window (widget) handle.
+ * Parameters:
+ *          handle: The window (widget) handle.
+ *          fore: Foreground color in DW_RGB format or a default color index.
+ *          back: Background color in DW_RGB format or a default color index.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_set_color(HWND handle, ULONG fore, ULONG back)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Sets the border size of a specified window (widget) handle.
+ * Parameters:
+ *          handle: The window (widget) handle.
+ *          border: Size of the window border in pixels.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_set_border(HWND handle, int border)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Sets the style of a given window (widget).
+ * Parameters:
+ *          handle: Window (widget) handle.
+ *          style: Style features enabled or disabled.
+ *          mask: Corresponding bitmask of features to be changed.
+ */
+void API dw_window_set_style(HWND handle, ULONG style, ULONG mask)
+{
+}
+
+/*
+ * Sets the current focus item for a window/dialog.
+ * Parameters:
+ *         handle: Handle to the dialog item to be focused.
+ * Remarks:
+ *          This is for use after showing the window/dialog.
+ */
+void API dw_window_set_focus(HWND handle)
+{
+}
+
+/*
+ * Sets the default focus item for a window/dialog.
+ * Parameters:
+ *         window: Toplevel window or dialog.
+ *         defaultitem: Handle to the dialog item to be default.
+ * Remarks:
+ *          This is for use before showing the window/dialog.
+ */
+void API dw_window_default(HWND handle, HWND defaultitem)
+{
+}
+
+/*
+ * Sets window to click the default dialog item when an ENTER is pressed.
+ * Parameters:
+ *         window: Window (widget) to look for the ENTER press.
+ *         next: Window (widget) to move to next (or click)
+ */
+void API dw_window_click_default(HWND handle, HWND next)
+{
+}
+
+/*
+ * Captures the mouse input to this window even if it is outside the bounds.
+ * Parameters:
+ *       handle: Handle to receive mouse input.
+ */
+void API dw_window_capture(HWND handle)
+{
+}
+
+/*
+ * Releases previous mouse capture.
+ */
+void API dw_window_release(void)
+{
+}
+
+/*
+ * Changes a window's parent to newparent.
+ * Parameters:
+ *           handle: The window handle to destroy.
+ *           newparent: The window's new parent window.
+ */
+void API dw_window_reparent(HWND handle, HWND newparent)
+{
+}
+
+/*
+ * Sets the font used by a specified window (widget) handle.
+ * Parameters:
+ *          handle: The window (widget) handle.
+ *          fontname: Name and size of the font in the form "size.fontname"
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_set_font(HWND handle, const char *fontname)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Returns the current font for the specified window.
+ * Parameters:
+ *           handle: The window handle from which to obtain the font.
+ * Returns:
+ *       A malloc()ed font name string to be dw_free()ed or NULL on error.
+ */
+char * API dw_window_get_font(HWND handle)
+{
+    return NULL;
+}
+
+/* Allows the user to choose a font using the system's font chooser dialog.
+ * Parameters:
+ *       currfont: current font
+ * Returns:
+ *       A malloced buffer with the selected font or NULL on error.
+ */
+char * API dw_font_choose(const char *currfont)
+{
+    return NULL;
+}
+
+/*
+ * Sets the default font used on text based widgets.
+ * Parameters:
+ *           fontname: Font name in Dynamic Windows format.
+ */
+void API dw_font_set_default(const char *fontname)
+{
+}
+
+/*
+ * Destroys a window and all of it's children.
+ * Parameters:
+ *           handle: The window handle to destroy.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_destroy(HWND handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Gets the text used for a given window.
+ * Parameters:
+ *       handle: Handle to the window.
+ * Returns:
+ *       The text associsated with a given window or NULL on error.
+ */
+char * API dw_window_get_text(HWND handle)
+{
+    return NULL;
+}
+
+/*
+ * Sets the text used for a given window.
+ * Parameters:
+ *       handle: Handle to the window.
+ *       text: The text associsated with a given window.
+ */
+void API dw_window_set_text(HWND handle, const char *text)
+{
+}
+
+/*
+ * Sets the text used for a given window's floating bubble help.
+ * Parameters:
+ *       handle: Handle to the window (widget).
+ *       bubbletext: The text in the floating bubble tooltip.
+ */
+void API dw_window_set_tooltip(HWND handle, const char *bubbletext)
+{
+}
+
+/*
+ * Disables given window (widget).
+ * Parameters:
+ *       handle: Handle to the window.
+ */
+void API dw_window_disable(HWND handle)
+{
+}
+
+/*
+ * Enables given window (widget).
+ * Parameters:
+ *       handle: Handle to the window.
+ */
+void API dw_window_enable(HWND handle)
+{
+}
+
+/*
+ * Sets the bitmap used for a given static window.
+ * Parameters:
+ *       handle: Handle to the window.
+ *       id: An ID to be used to specify the icon,
+ *           (pass 0 if you use the filename param)
+ *       data: memory buffer containing image (Bitmap on OS/2 or
+ *                 Windows and a pixmap on Unix, pass
+ *                 NULL if you use the id param)
+ *       len: Length of data passed
+ */
+void API dw_window_set_bitmap_from_data(HWND handle, unsigned long cid, const char *data, int len)
+{
+}
+
+/*
+ * Sets the bitmap used for a given static window.
+ * Parameters:
+ *       handle: Handle to the window.
+ *       id: An ID to be used to specify the icon,
+ *           (pass 0 if you use the filename param)
+ *       filename: a path to a file (Bitmap on OS/2 or
+ *                 Windows and a pixmap on Unix, pass
+ *                 NULL if you use the id param)
+ */
+void API dw_window_set_bitmap(HWND handle, unsigned long resid, const char *filename)
+{
+}
+
+/*
+ * Sets the icon used for a given window.
+ * Parameters:
+ *       handle: Handle to the window.
+ *       icon: Handle to icon to be used.
+ */
+void API dw_window_set_icon(HWND handle, HICN icon)
+{
+}
+
+/*
+ * Gets the child window handle with specified ID.
+ * Parameters:
+ *       handle: Handle to the parent window.
+ *       id: Integer ID of the child.
+ * Returns:
+ *       HWND of window with ID or NULL on error.
+ */
+HWND API dw_window_from_id(HWND handle, int id)
+{
+    return 0;
+}
+
+/*
+ * Minimizes or Iconifies a top-level window.
+ * Parameters:
+ *           handle: The window handle to minimize.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_minimize(HWND handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/* Causes entire window to be invalidated and redrawn.
+ * Parameters:
+ *           handle: Toplevel window handle to be redrawn.
+ */
+void API dw_window_redraw(HWND handle)
+{
+}
+
+/*
+ * Makes the window topmost.
+ * Parameters:
+ *           handle: The window handle to make topmost.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_raise(HWND handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Makes the window bottommost.
+ * Parameters:
+ *           handle: The window handle to make bottommost.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_window_lower(HWND handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Sets the size of a given window (widget).
+ * Parameters:
+ *          handle: Window (widget) handle.
+ *          width: New width in pixels.
+ *          height: New height in pixels.
+ */
+void API dw_window_set_size(HWND handle, ULONG width, ULONG height)
+{
+}
+
+/*
+ * Gets the size the system thinks the widget should be.
+ * Parameters:
+ *       handle: Window (widget) handle of the item to query.
+ *       width: Width in pixels of the item or NULL if not needed.
+ *       height: Height in pixels of the item or NULL if not needed.
+ */
+void API dw_window_get_preferred_size(HWND handle, int *width, int *height)
+{
+}
+
+/*
+ * Sets the gravity of a given window (widget).
+ * Gravity controls which corner of the screen and window the position is relative to.
+ * Parameters:
+ *          handle: Window (widget) handle.
+ *          horz: DW_GRAV_LEFT (default), DW_GRAV_RIGHT or DW_GRAV_CENTER.
+ *          vert: DW_GRAV_TOP (default), DW_GRAV_BOTTOM or DW_GRAV_CENTER.
+ */
+void API dw_window_set_gravity(HWND handle, int horz, int vert)
+{
+}
+
+/*
+ * Sets the position of a given window (widget).
+ * Parameters:
+ *          handle: Window (widget) handle.
+ *          x: X location from the bottom left.
+ *          y: Y location from the bottom left.
+ */
+void API dw_window_set_pos(HWND handle, LONG x, LONG y)
+{
+}
+
+/*
+ * Sets the position and size of a given window (widget).
+ * Parameters:
+ *          handle: Window (widget) handle.
+ *          x: X location from the bottom left.
+ *          y: Y location from the bottom left.
+ *          width: Width of the widget.
+ *          height: Height of the widget.
+ */
+void API dw_window_set_pos_size(HWND handle, LONG x, LONG y, ULONG width, ULONG height)
+{
+}
+
+/*
+ * Gets the position and size of a given window (widget).
+ * Parameters:
+ *          handle: Window (widget) handle.
+ *          x: X location from the bottom left or NULL.
+ *          y: Y location from the bottom left or NULL.
+ *          width: Width of the widget or NULL.
+ *          height: Height of the widget or NULL.
+ */
+void API dw_window_get_pos_size(HWND handle, LONG *x, LONG *y, ULONG *width, ULONG *height)
+{
+}
+
+/*
+ * Returns the width of the screen.
+ */
+int API dw_screen_width(void)
+{
+    return 0;
+}
+
+/*
+ * Returns the height of the screen.
+ */
+int API dw_screen_height(void)
+{
+    return 0;
+}
+
+/* This should return the current color depth. */
+unsigned long API dw_color_depth_get(void)
+{
+    return 0;
+}
+
+/*
+ * Returns some information about the current operating environment.
+ * Parameters:
+ *       env: Pointer to a DWEnv struct.
+ */
+void API dw_environment_query(DWEnv *env)
+{
+    strcpy(env->osName, "Unknown");
+
+    strcpy(env->buildDate, __DATE__);
+    strcpy(env->buildTime, __TIME__);
+    env->DWMajorVersion = DW_MAJOR_VERSION;
+    env->DWMinorVersion = DW_MINOR_VERSION;
+    env->DWSubVersion = DW_SUB_VERSION;
+
+    env->MajorVersion = 0; /* Operating system major */
+    env->MinorVersion = 0; /* Operating system minor */
+    env->MajorBuild = 0; /* Build versions... if available */
+    env->MinorBuild = 0;
+}
+
+/*
+ * Emits a beep.
+ * Parameters:
+ *       freq: Frequency.
+ *       dur: Duration.
+ */
+void API dw_beep(int freq, int dur)
+{
+}
+
+/* Call this after drawing to the screen to make sure
+ * anything you have drawn is visible.
+ */
+void API dw_flush(void)
+{
+}
+
+/*
+ * Add a named user data item to a window handle.
+ * Parameters:
+ *       window: Window handle to save data to.
+ *       dataname: A string pointer identifying which data to be saved.
+ *       data: User data to be saved to the window handle.
+ */
+void API dw_window_set_data(HWND window, const char *dataname, void *data)
+{
+}
+
+/*
+ * Gets a named user data item from a window handle.
+ * Parameters:
+ *       window: Window handle to get data from.
+ *       dataname: A string pointer identifying which data to get.
+ * Returns:
+ *       Pointer to data or NULL if no data is available.
+ */
+void * API dw_window_get_data(HWND window, const char *dataname)
+{
+    return NULL;
+}
+
+/*
+ * Add a callback to a timer event.
+ * Parameters:
+ *       interval: Milliseconds to delay between calls.
+ *       sigfunc: The pointer to the function to be used as the callback.
+ *       data: User data to be passed to the handler function.
+ * Returns:
+ *       Timer ID for use with dw_timer_disconnect(), 0 on error.
+ */
+int API dw_timer_connect(int interval, void *sigfunc, void *data)
+{
+    return 0;
+}
+
+/*
+ * Removes timer callback.
+ * Parameters:
+ *       id: Timer ID returned by dw_timer_connect().
+ */
+void API dw_timer_disconnect(int timerid)
+{
+}
+
+/*
+ * Add a callback to a window event.
+ * Parameters:
+ *       window: Window handle of signal to be called back.
+ *       signame: A string pointer identifying which signal to be hooked.
+ *       sigfunc: The pointer to the function to be used as the callback.
+ *       data: User data to be passed to the handler function.
+ */
+void API dw_signal_connect(HWND window, const char *signame, void *sigfunc, void *data)
+{
+    dw_signal_connect_data(window, signame, sigfunc, NULL, data);
+}
+
+/*
+ * Add a callback to a window event with a closure callback.
+ * Parameters:
+ *       window: Window handle of signal to be called back.
+ *       signame: A string pointer identifying which signal to be hooked.
+ *       sigfunc: The pointer to the function to be used as the callback.
+ *       discfunc: The pointer to the function called when this handler is removed.
+ *       data: User data to be passed to the handler function.
+ */
+void API dw_signal_connect_data(HWND window, const char *signame, void *sigfunc, void *discfunc, void *data)
+{
+}
+
+/*
+ * Removes callbacks for a given window with given name.
+ * Parameters:
+ *       window: Window handle of callback to be removed.
+ *       signame: Signal name to be matched on window.
+ */
+void API dw_signal_disconnect_by_name(HWND window, const char *signame)
+{
+}
+
+/*
+ * Removes all callbacks for a given window.
+ * Parameters:
+ *       window: Window handle of callback to be removed.
+ */
+void API dw_signal_disconnect_by_window(HWND window)
+{
+}
+
+/*
+ * Removes all callbacks for a given window with specified data.
+ * Parameters:
+ *       window: Window handle of callback to be removed.
+ *       data: Pointer to the data to be compared against.
+ */
+void API dw_signal_disconnect_by_data(HWND window, void *data)
+{
+}
+
+/* Open a shared library and return a handle.
+ * Parameters:
+ *         name: Base name of the shared library.
+ *         handle: Pointer to a module handle,
+ *                 will be filled in with the handle.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+*/
+int API dw_module_load(const char *name, HMOD *handle)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/* Queries the address of a symbol within open handle.
+ * Parameters:
+ *         handle: Module handle returned by dw_module_load()
+ *         name: Name of the symbol you want the address of.
+ *         func: A pointer to a function pointer, to obtain
+ *               the address.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_module_symbol(HMOD handle, const char *name, void**func)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/* Frees the shared library previously opened.
+ * Parameters:
+ *         handle: Module handle returned by dw_module_load()
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_module_close(HMOD handle)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Returns the handle to an unnamed mutex semaphore or NULL on error.
+ */
+HMTX API dw_mutex_new(void)
+{
+    return NULL;
+}
+
+/*
+ * Closes a semaphore created by dw_mutex_new().
+ * Parameters:
+ *       mutex: The handle to the mutex returned by dw_mutex_new().
+ */
+void API dw_mutex_close(HMTX mutex)
+{
+}
+
+/*
+ * Tries to gain access to the semaphore, if it can't it blocks.
+ * Parameters:
+ *       mutex: The handle to the mutex returned by dw_mutex_new().
+ */
+void API dw_mutex_lock(HMTX mutex)
+{
+#if 0
+    /* We need to handle locks from the main thread differently...
+     * since we can't stop message processing... otherwise we
+     * will deadlock... so try to acquire the lock and continue
+     * processing messages in between tries.
+     */
+    if(_dw_thread == dw_thread_id())
+    {
+        while(/* Attempt to lock the mutex */)
+        {
+            /* Process any pending events */
+            while(dw_main_iteration())
+            {
+                /* Just loop */
+            }
+        }
+    }
+    else
+    {
+        /* Lock the mutex */
+    }
+#endif
+}
+
+/*
+ * Tries to gain access to the semaphore.
+ * Parameters:
+ *       mutex: The handle to the mutex returned by dw_mutex_new().
+ * Returns:
+ *       DW_ERROR_NONE on success, DW_ERROR_TIMEOUT if it is already locked.
+ */
+int API dw_mutex_trylock(HMTX mutex)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Reliquishes the access to the semaphore.
+ * Parameters:
+ *       mutex: The handle to the mutex returned by dw_mutex_new().
+ */
+void API dw_mutex_unlock(HMTX mutex)
+{
+}
+
+/*
+ * Returns the handle to an unnamed event semaphore or NULL on error.
+ */
+HEV API dw_event_new(void)
+{
+    return NULL;
+}
+
+/*
+ * Resets a semaphore created by dw_event_new().
+ * Parameters:
+ *       eve: The handle to the event returned by dw_event_new().
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_event_reset (HEV eve)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Posts a semaphore created by dw_event_new(). Causing all threads
+ * waiting on this event in dw_event_wait to continue.
+ * Parameters:
+ *       eve: The handle to the event returned by dw_event_new().
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_event_post (HEV eve)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Waits on a semaphore created by dw_event_new(), until the
+ * event gets posted or until the timeout expires.
+ * Parameters:
+ *       eve: The handle to the event returned by dw_event_new().
+ *   timeout: Number of milliseconds before timing out
+ *                  or -1 if indefinite.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ *       DW_ERROR_TIMEOUT (2) if the timeout has expired.
+ *       Other values on other error.
+ */
+int API dw_event_wait(HEV eve, unsigned long timeout)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/*
+ * Closes a semaphore created by dw_event_new().
+ * Parameters:
+ *       eve: The handle to the event returned by dw_event_new().
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_event_close(HEV *eve)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/* Create a named event semaphore which can be
+ * opened from other processes.
+ * Parameters:
+ *         name: Name given to semaphore which can be opened
+ *               by other processes.
+ * Returns:
+ *       Handle to event semaphore or NULL on error.
+ */
+HEV API dw_named_event_new(const char *name)
+{
+    return NULL;
+}
+
+/* Open an already existing named event semaphore.
+ * Parameters:
+ *         name: Name given to semaphore which can be opened
+ *               by other processes.
+ * Returns:
+ *       Handle to event semaphore or NULL on error.
+ */
+HEV API dw_named_event_get(const char *name)
+{
+    return NULL;
+}
+
+/* Resets the event semaphore so threads who call wait
+ * on this semaphore will block.
+ * Parameters:
+ *         eve: Handle to the semaphore obtained by
+ *              an get or new call.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_named_event_reset(HEV eve)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/* Sets the posted state of an event semaphore, any threads
+ * waiting on the semaphore will no longer block.
+ * Parameters:
+ *         eve: Handle to the semaphore obtained by
+ *              an get or new call.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_named_event_post(HEV eve)
+{
+    return DW_ERROR_GENERAL;
+}
+
+/* Waits on the specified semaphore until it becomes
+ * posted, or returns immediately if it already is posted.
+ * Parameters:
+ *         eve: Handle to the semaphore obtained by
+ *              an get or new call.
+ *         timeout: Number of milliseconds before timing out
+ *                  or -1 if indefinite.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_named_event_wait(HEV eve, unsigned long timeout)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/* Release this semaphore, if there are no more open
+ * handles on this semaphore the semaphore will be destroyed.
+ * Parameters:
+ *         eve: Handle to the semaphore obtained by
+ *              an get or new call.
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_named_event_close(HEV eve)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Initializes the Dynamic Windows engine.
+ * Parameters:
+ *           newthread: True if this is the only thread.
+ *                      False if there is already a message loop running.
+ *           argc: Passed in from main()
+ *           argv: Passed in from main()
+ * Returns:
+ *       DW_ERROR_NONE (0) on success.
+ */
+int API dw_init(int newthread, int argc, char *argv[])
+{
+return DW_ERROR_NONE;
+}
+
+/*
+ * Allocates a shared memory region with a name.
+ * Parameters:
+ *         dest: A pointer to a pointer to receive the memory address.
+ *         size: Size in bytes of the shared memory region to allocate.
+ *         name: A string pointer to a unique memory name.
+ * Returns:
+ *       Handle to shared memory or NULL on error.
+ */
+HSHM API dw_named_memory_new(void **dest, int size, const char *name)
+{
+    return NULL;
+}
+
+/*
+ * Aquires shared memory region with a name.
+ * Parameters:
+ *       dest: A pointer to a pointer to receive the memory address.
+ *       size: Size in bytes of the shared memory region to requested.
+ *       name: A string pointer to a unique memory name.
+ * Returns:
+ *       Handle to shared memory or NULL on error.
+ */
+HSHM API dw_named_memory_get(void **dest, int size, const char *name)
+{
+    return NULL;
+}
+
+/*
+ * Frees a shared memory region previously allocated.
+ * Parameters:
+ *       handle: Handle obtained from dw_named_memory_new().
+ *       ptr: The memory address aquired with dw_named_memory_new().
+ * Returns:
+ *       DW_ERROR_NONE (0) on success or DW_ERROR_UNKNOWN (-1) on error.
+ */
+int API dw_named_memory_free(HSHM handle, void *ptr)
+{
+    int rc = DW_ERROR_UNKNOWN;
+
+    return rc;
+}
+
+/*
+ * Generally an internal function called from a newly created
+ * thread to setup the Dynamic Windows environment for the thread.
+ * However it is exported so language bindings can call it when
+ * they create threads that require access to Dynamic Windows.
+ */
+void API _dw_init_thread(void)
+{
+}
+
+/*
+ * Generally an internal function called from a terminating
+ * thread to cleanup the Dynamic Windows environment for the thread.
+ * However it is exported so language bindings can call it when
+ * they exit threads that require access to Dynamic Windows.
+ */
+void API _dw_deinit_thread(void)
+{
+}
+
+/*
+ * Creates a new thread with a starting point of func.
+ * Parameters:
+ *       func: Function which will be run in the new thread.
+ *       data: Parameter(s) passed to the function.
+ *       stack: Stack size of new thread (OS/2 and Windows only).
+ * Returns:
+ *       Thread ID on success or DW_ERROR_UNKNOWN (-1) on error.
+ */
+DWTID API dw_thread_new(void *func, void *data, int stack)
+{
+    return (DWTID)DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Ends execution of current thread immediately.
+ */
+void API dw_thread_end(void)
+{
+}
+
+/*
+ * Returns the current thread's ID.
+ */
+DWTID API dw_thread_id(void)
+{
+    return (DWTID)0;
+}
+
+/*
+ * Cleanly terminates a DW session, should be signal handler safe.
+ */
+void API dw_shutdown(void)
+{
+}
+
+/*
+ * Execute and external program in a seperate session.
+ * Parameters:
+ *       program: Program name with optional path.
+ *       type: Either DW_EXEC_CON or DW_EXEC_GUI.
+ *       params: An array of pointers to string arguements.
+ * Returns:
+ *       Process ID on success or DW_ERROR_UNKNOWN (-1) on error.
+ */
+int API dw_exec(const char *program, int type, char **params)
+{
+    int ret = DW_ERROR_UNKNOWN;
+
+    return ret;
+}
+
+/*
+ * Loads a web browser pointed at the given URL.
+ * Parameters:
+ *       url: Uniform resource locator.
+ * Returns:
+ *       DW_ERROR_UNKNOWN (-1) on error; DW_ERROR_NONE (0) or a positive Process ID on success.
+ */
+int API dw_browse(const char *url)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Creates a new print object.
+ * Parameters:
+ *       jobname: Name of the print job to show in the queue.
+ *       flags: Flags to initially configure the print object.
+ *       pages: Number of pages to print.
+ *       drawfunc: The pointer to the function to be used as the callback.
+ *       drawdata: User data to be passed to the handler function.
+ * Returns:
+ *       A handle to the print object or NULL on failure.
+ */
+HPRINT API dw_print_new(const char *jobname, unsigned long flags, unsigned int pages, void *drawfunc, void *drawdata)
+{
+    return NULL;
+}
+
+/*
+ * Runs the print job, causing the draw page callbacks to fire.
+ * Parameters:
+ *       print: Handle to the print object returned by dw_print_new().
+ *       flags: Flags to run the print job.
+ * Returns:
+ *       DW_ERROR_UNKNOWN on error or DW_ERROR_NONE on success.
+ */
+int API dw_print_run(HPRINT print, unsigned long flags)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Cancels the print job, typically called from a draw page callback.
+ * Parameters:
+ *       print: Handle to the print object returned by dw_print_new().
+ */
+void API dw_print_cancel(HPRINT print)
+{
+}
+
+/*
+ * Creates a new system notification if possible.
+ * Parameters:
+ *         title: The short title of the notification.
+ *         imagepath: Path to an image to display or NULL if none.
+ *         description: A longer description of the notification,
+ *                      or NULL if none is necessary.
+ * Returns:
+ *         A handle to the notification which can be used to attach a "clicked" event if desired,
+ *         or NULL if it fails or notifications are not supported by the system.
+ * Remarks:
+ *          This will create a system notification that will show in the notifaction panel
+ *          on supported systems, which may be clicked to perform another task.
+ */
+HWND API dw_notification_new(const char *title, const char *imagepath, const char *description, ...)
+{
+    return 0;
+}
+
+/*
+ * Sends a notification created by dw_notification_new() after attaching signal handler.
+ * Parameters:
+ *         notification: The handle to the notification returned by dw_notification_new().
+ * Returns:
+ *         DW_ERROR_NONE on success, DW_ERROR_UNKNOWN on error or not supported.
+ */
+int API dw_notification_send(HWND notification)
+{
+    return DW_ERROR_UNKNOWN;
+}
+
+/*
+ * Converts a UTF-8 encoded string into a wide string.
+ * Parameters:
+ *       utf8string: UTF-8 encoded source string.
+ * Returns:
+ *       Wide string that needs to be freed with dw_free()
+ *       or NULL on failure.
+ */
+wchar_t * API dw_utf8_to_wchar(const char *utf8string)
+{
+    return NULL;
+}
+
+/*
+ * Converts a wide string into a UTF-8 encoded string.
+ * Parameters:
+ *       wstring: Wide source string.
+ * Returns:
+ *       UTF-8 encoded string that needs to be freed with dw_free()
+ *       or NULL on failure.
+ */
+char * API dw_wchar_to_utf8(const wchar_t *wstring)
+{
+    return NULL;
+}
+
+/*
+ * Gets the state of the requested library feature.
+ * Parameters:
+ *       feature: The requested feature for example DW_FEATURE_DARK_MODE
+ * Returns:
+ *       DW_FEATURE_UNSUPPORTED if the library or OS does not support the feature.
+ *       DW_FEATURE_DISABLED if the feature is supported but disabled.
+ *       DW_FEATURE_ENABLED if the feature is supported and enabled.
+ *       Other value greater than 1, same as enabled but with extra info.
+ */
+int API dw_feature_get(DWFEATURE feature)
+{
+    switch(feature)
+    {
+#if 0
+        case DW_FEATURE_HTML:                    /* Supports the HTML Widget */
+        case DW_FEATURE_HTML_RESULT:             /* Supports the DW_SIGNAL_HTML_RESULT callback */
+        case DW_FEATURE_WINDOW_BORDER:           /* Supports custom window border sizes */
+        case DW_FEATURE_WINDOW_TRANSPARENCY:     /* Supports window frame transparency */
+        case DW_FEATURE_DARK_MODE:               /* Supports Dark Mode user interface */
+        case DW_FEATURE_MLE_AUTO_COMPLETE:       /* Supports auto completion in Multi-line Edit boxes */
+        case DW_FEATURE_MLE_WORD_WRAP:           /* Supports word wrapping in Multi-line Edit boxes */
+        case DW_FEATURE_CONTAINER_STRIPE:        /* Supports striped line display in container widgets */
+        case DW_FEATURE_MDI:                     /* Supports Multiple Document Interface window frame */
+        case DW_FEATURE_NOTEBOOK_STATUS_TEXT:    /* Supports status text area on notebook/tabbed controls */
+        case DW_FEATURE_NOTIFICATION:            /* Supports sending system notifications */
+        case DW_FEATURE_UTF8_UNICODE:            /* Supports UTF8 encoded Unicode text */
+        case DW_FEATURE_MLE_RICH_EDIT:           /* Supports Rich Edit based MLE control (Windows) */
+        case DW_FEATURE_TASK_BAR:                /* Supports icons in the taskbar or similar system widget */
+        case DW_FEATURE_TREE:                    .* Supports the Tree Widget */
+            return DW_FEATURE_ENABLED;
+#endif
+        default:
+            return DW_FEATURE_UNSUPPORTED;
+    }
+}
+
+/*
+ * Sets the state of the requested library feature.
+ * Parameters:
+ *       feature: The requested feature for example DW_FEATURE_DARK_MODE
+ *       state: DW_FEATURE_DISABLED, DW_FEATURE_ENABLED or any value greater than 1.
+ * Returns:
+ *       DW_FEATURE_UNSUPPORTED if the library or OS does not support the feature.
+ *       DW_ERROR_NONE if the feature is supported and successfully configured.
+ *       DW_ERROR_GENERAL if the feature is supported but could not be configured.
+ * Remarks:
+ *       These settings are typically used during dw_init() so issue before
+ *       setting up the library with dw_init().
+ */
+int API dw_feature_set(DWFEATURE feature, int state)
+{
+    switch(feature)
+    {
+        /* These features are supported but not configurable */
+#if 0
+        case DW_FEATURE_HTML:                    /* Supports the HTML Widget */
+        case DW_FEATURE_HTML_RESULT:             /* Supports the DW_SIGNAL_HTML_RESULT callback */
+        case DW_FEATURE_WINDOW_BORDER:           /* Supports custom window border sizes */
+        case DW_FEATURE_WINDOW_TRANSPARENCY:     /* Supports window frame transparency */
+        case DW_FEATURE_DARK_MODE:               /* Supports Dark Mode user interface */
+        case DW_FEATURE_MLE_AUTO_COMPLETE:       /* Supports auto completion in Multi-line Edit boxes */
+        case DW_FEATURE_MLE_WORD_WRAP:           /* Supports word wrapping in Multi-line Edit boxes */
+        case DW_FEATURE_CONTAINER_STRIPE:        /* Supports striped line display in container widgets */
+        case DW_FEATURE_MDI:                     /* Supports Multiple Document Interface window frame */
+        case DW_FEATURE_NOTEBOOK_STATUS_TEXT:    /* Supports status text area on notebook/tabbed controls */
+        case DW_FEATURE_NOTIFICATION:            /* Supports sending system notifications */
+        case DW_FEATURE_UTF8_UNICODE:            /* Supports UTF8 encoded Unicode text */
+        case DW_FEATURE_MLE_RICH_EDIT:           /* Supports Rich Edit based MLE control (Windows) */
+        case DW_FEATURE_TASK_BAR:                /* Supports icons in the taskbar or similar system widget */
+        case DW_FEATURE_TREE:                    .* Supports the Tree Widget */
+            return DW_ERROR_GENERAL;
+#endif
+        /* These features are supported and configurable */
+        default:
+            return DW_FEATURE_UNSUPPORTED;
+    }
+}
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/android/dwindows_main.xml	Sun Apr 18 01:28:55 2021 +0000
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <TextView
+        android:id="@+id/sample_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
--- a/dw.h	Thu Apr 15 02:11:04 2021 +0000
+++ b/dw.h	Sun Apr 18 01:28:55 2021 +0000
@@ -123,7 +123,7 @@
 # endif
 #endif
 
-#if defined(__OS2__) || (defined(__WIN32__) && !defined(GDK_WINDOWING_WIN32)) || defined(__MAC__) || defined(__IOS__) || defined(__EMX__) || defined(__TEMPLATE__)
+#if defined(__OS2__) || (defined(__WIN32__) && !defined(GDK_WINDOWING_WIN32)) || defined(__MAC__) || defined(__IOS__) || defined(__EMX__) || defined(__ANDROID__) || defined(__TEMPLATE__)
 /* OS/2, Windows or MacOS */
 
 #ifdef __OS2__
@@ -723,6 +723,221 @@
 typedef HWND HMENUI;
 #endif
 
+/* Android section */
+#if defined(__ANDROID__)
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <limits.h>
+
+/* Can remove this for your port when you know where MAX_PATH is */
+#ifndef MAX_PATH
+#define MAX_PATH 260
+#endif
+
+#define TRUE  1
+#define FALSE 0
+
+typedef void *HWND;
+
+typedef unsigned long ULONG;
+typedef long LONG;
+typedef unsigned short USHORT;
+typedef short SHORT;
+typedef unsigned short UWORD;
+typedef short WORD ;
+typedef unsigned char UCHAR;
+typedef char CHAR;
+typedef unsigned UINT;
+typedef int INT;
+typedef void *HMTX;
+typedef void *HEV;
+typedef void *HSHM;
+typedef void *HMOD;
+typedef void *HTREEITEM;
+typedef HWND HMENUI;
+typedef int DWTID;
+typedef unsigned long HICN;
+
+typedef struct _window_data {
+   UserData *root;
+   HWND clickdefault;
+   ULONG flags;
+   void *data;
+} WindowData;
+
+typedef struct _hpixmap {
+   unsigned long width, height;
+   /* ?? *pixmap; */
+   HWND handle;
+} *HPIXMAP;
+
+#define DW_DT_LEFT               0
+#define DW_DT_QUERYEXTENT        0
+#define DW_DT_UNDERSCORE         0
+#define DW_DT_STRIKEOUT          0
+#define DW_DT_TEXTATTRS          0
+#define DW_DT_EXTERNALLEADING    0
+#define DW_DT_CENTER             0
+#define DW_DT_RIGHT              0
+#define DW_DT_TOP                0
+#define DW_DT_VCENTER            0
+#define DW_DT_BOTTOM             0
+#define DW_DT_HALFTONE           0
+#define DW_DT_MNEMONIC           0
+#define DW_DT_WORDBREAK          0
+#define DW_DT_ERASERECT          0
+
+#define DW_FCF_CLOSEBUTTON       0
+#define DW_FCF_TITLEBAR          0
+#define DW_FCF_SYSMENU           0
+#define DW_FCF_MENU              0
+#define DW_FCF_SIZEBORDER        0
+#define DW_FCF_MINBUTTON         0
+#define DW_FCF_MAXBUTTON         0
+#define DW_FCF_MINMAX            (DW_FCF_MINBUTTON|DW_FCF_MAXBUTTON)
+#define DW_FCF_DLGBORDER         0
+#define DW_FCF_BORDER            0
+#define DW_FCF_TASKLIST          0
+#define DW_FCF_NOMOVEWITHOWNER   0
+#define DW_FCF_SYSMODAL          0
+#define DW_FCF_HIDEBUTTON        0
+#define DW_FCF_HIDEMAX           0
+#define DW_FCF_AUTOICON          0
+#define DW_FCF_MAXIMIZE          0
+#define DW_FCF_MINIMIZE          0
+#define DW_FCF_TEXTURED          0
+#define DW_FCF_FULLSCREEN        0
+
+#define DW_CFA_BITMAPORICON      1
+#define DW_CFA_STRING            (1 << 1)
+#define DW_CFA_ULONG             (1 << 2)
+#define DW_CFA_TIME              (1 << 3)
+#define DW_CFA_DATE              (1 << 4)
+#define DW_CFA_CENTER            (1 << 5)
+#define DW_CFA_LEFT              (1 << 6)
+#define DW_CFA_RIGHT             (1 << 7)
+#define DW_CFA_STRINGANDICON     (1 << 8)
+#define DW_CFA_HORZSEPARATOR     0
+#define DW_CFA_SEPARATOR         0
+
+#define DW_CRA_SELECTED          1
+#define DW_CRA_CURSORED          (1 << 1)
+
+#define DW_CR_RETDATA            (1 << 10)
+
+#define DW_LS_MULTIPLESEL        1
+
+#define DW_LIT_NONE              -1
+
+#define DW_MLE_CASESENSITIVE    0
+
+#define DW_BS_NOBORDER           0
+
+#define DW_POINTER_DEFAULT       0
+#define DW_POINTER_ARROW         0
+#define DW_POINTER_CLOCK         0
+#define DW_POINTER_QUESTION      0
+
+#define HWND_DESKTOP     ((HWND)0)
+
+/* flag values for dw_messagebox() */
+#define DW_MB_OK                 (1 << 1)
+#define DW_MB_OKCANCEL           (1 << 2)
+#define DW_MB_YESNO              (1 << 3)
+#define DW_MB_YESNOCANCEL        (1 << 4)
+
+#define DW_MB_WARNING            (1 << 10)
+#define DW_MB_ERROR              (1 << 11)
+#define DW_MB_INFORMATION        (1 << 12)
+#define DW_MB_QUESTION           (1 << 13)
+
+/* Virtual Key Codes */
+#define VK_LBUTTON               0
+#define VK_RBUTTON               1
+#define VK_CANCEL                2
+#define VK_MBUTTON               3
+#define VK_BACK                  4
+#define VK_TAB                   5
+#define VK_CLEAR                 6
+#define VK_RETURN                7
+#define VK_MENU                  8
+#define VK_PAUSE                 9
+#define VK_CAPITAL               10
+#define VK_ESCAPE                11
+#define VK_SPACE                 12
+#define VK_PRIOR                 13
+#define VK_NEXT                  14
+#define VK_END                   15
+#define VK_HOME                  16
+#define VK_LEFT                  17
+#define VK_UP                    18
+#define VK_RIGHT                 19
+#define VK_DOWN                  20
+#define VK_SELECT                21
+#define VK_PRINT                 22
+#define VK_EXECUTE               23
+#define VK_SNAPSHOT              24
+#define VK_INSERT                25
+#define VK_DELETE                26
+#define VK_HELP                  27
+#define VK_LWIN                  28
+#define VK_RWIN                  29
+#define VK_NUMPAD0               30
+#define VK_NUMPAD1               31
+#define VK_NUMPAD2               32
+#define VK_NUMPAD3               33
+#define VK_NUMPAD4               34
+#define VK_NUMPAD5               35
+#define VK_NUMPAD6               36
+#define VK_NUMPAD7               37
+#define VK_NUMPAD8               38
+#define VK_NUMPAD9               39
+#define VK_MULTIPLY              40
+#define VK_ADD                   41
+#define VK_SEPARATOR             42
+#define VK_SUBTRACT              43
+#define VK_DECIMAL               44
+#define VK_DIVIDE                45
+#define VK_F1                    46
+#define VK_F2                    47
+#define VK_F3                    48
+#define VK_F4                    49
+#define VK_F5                    50
+#define VK_F6                    51
+#define VK_F7                    52
+#define VK_F8                    53
+#define VK_F9                    54
+#define VK_F10                   55
+#define VK_F11                   56
+#define VK_F12                   57
+#define VK_F13                   58
+#define VK_F14                   59
+#define VK_F15                   60
+#define VK_F16                   61
+#define VK_F17                   62
+#define VK_F18                   63
+#define VK_F19                   64
+#define VK_F20                   65
+#define VK_F21                   66
+#define VK_F22                   67
+#define VK_F23                   68
+#define VK_F24                   69
+#define VK_NUMLOCK               70
+#define VK_SCROLL                71
+#define VK_LSHIFT                72
+#define VK_RSHIFT                73
+#define VK_LCONTROL              74
+#define VK_RCONTROL              75
+#define VK_LMENU                 76
+#define VK_RMENU                 77
+
+/* Key Modifiers */
+#define KC_CTRL                  (1)
+#define KC_SHIFT                 (1 << 1)
+#define KC_ALT                   (1 << 2)
+#endif
+
 /* Template section, framework for new platform ports */
 #if defined(__TEMPLATE__)
 #include <stdio.h>