dwindows: win/dw.c comparison

comparison win/dw.c @ 1411:22ba64e357de

Initial versions of code to figure out control sizes for Windows and OS/2... and some fixes for the Mac version.

author	bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date	Fri, 02 Dec 2011 08:22:11 +0000
parents	93eb987c05cf
children	ddf9cfb4a074

comparison

equal deleted inserted replaced

-:c607fd86e5c2
+:22ba64e357de
 {
 DeleteObject(oldfont);
 }
 }
+/* Internal function to return a pointer to an item struct
+* with information about the packing information regarding object.
+*/
+Item *_box_item(HWND handle)
+{
+HWND parent = GetParent(handle);
+Box *thisbox = (Box *)GetWindowLongPtr(parent, GWLP_USERDATA);
+/* If it is a desktop window let WM_DESTROY handle it */
+if(parent != HWND_DESKTOP)
+{
+if(thisbox && thisbox->count)
+{
+int z;
+Item *thisitem = thisbox->items;
+for(z=0;z<thisbox->count;z++)
+{
+if(thisitem[z].hwnd == handle)
+return &thisitem[z];
+}
+}
+}
+return NULL;
+}
+/* Internal function to calculate the widget's required size..
+* These are the general rules for widget sizes:
+*
+* Scrolled(Container,Tree,MLE)/Render/Unspecified: 1x1
+* Entryfield/Combobox/Spinbutton: 150x(maxfontheight)
+* Spinbutton: 50x(maxfontheight)
+* Text/Status: (textwidth)x(textheight)
+*/
+void _control_size(HWND handle, int *width, int *height)
+{
+int thiswidth = 1, thisheight = 1, extrawidth = 0, extraheight = 0;
+char tmpbuf[100], *buf = dw_window_get_text(handle);
+static char testtext[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+GetClassName(handle, tmpbuf, 99);
+/* If we have a string...
+* calculate the size with the current font.
+*/
+if(buf)
+{
+if(*buf)
+dw_font_text_extents_get(handle, NULL, buf, &thiswidth, &thisheight);
+dw_free(buf);
+}
+/* Combobox */
+if(strnicmp(tmpbuf, COMBOBOXCLASSNAME, strlen(COMBOBOXCLASSNAME)+1) == 0)
+{
+dw_font_text_extents_get(handle, NULL, testtext, NULL, &thisheight);
+thiswidth = 150;
+extraheight = 4;
+if(thisheight < 18)
+thisheight = 18;
+}
+else if(strnicmp(tmpbuf, UPDOWN_CLASS, strlen(UPDOWN_CLASS)+1) == 0)
+{
+dw_font_text_extents_get(handle, NULL, testtext, NULL, &thisheight);
+thiswidth = 50;
+}
+else if(strnicmp(tmpbuf, EDITCLASSNAME, strlen(EDITCLASSNAME)+1) == 0 &&
+!(GetWindowLong(handle, GWL_STYLE) & ES_MULTILINE))
+{
+dw_font_text_extents_get(handle, NULL, testtext, NULL, &thisheight);
+thiswidth = 150;
+extraheight = 6;
+}
+else if(strnicmp(tmpbuf, BUTTONCLASSNAME, strlen(BUTTONCLASSNAME)+1) == 0)
+{
+ULONG style = GetWindowLong(handle, GWL_STYLE);
+if(style & BS_AUTOCHECKBOX || style & BS_AUTORADIOBUTTON)
+{
+extrawidth = 24;
+extraheight = 4;
+}
+else
+{
+extrawidth = 8;
+extraheight = 4;
+}
+}
+/* Set the requested sizes */
+if(width)
+*width = thiswidth + extrawidth;
+if(height)
+*height = thisheight + extraheight;
+}
 /*
 * 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"
 /* This needs to be after we get the correct handle */
 oldfont = (HFONT)SendMessage(handle, WM_GETFONT, 0, 0);
 hfont = _acquire_font(handle, fontname);
-if (fontname)
+if(hfont && fontname)
 {
 if(cinfo)
 {
 strcpy(cinfo->fontname, fontname);
 if(!oldfont)
 cinfo->pOldProc = SubclassWindow(handle, _colorwndproc);
 SetWindowLongPtr(handle, GWLP_USERDATA, (LONG_PTR)cinfo);
 }
 }
-SendMessage(handle, WM_SETFONT, (WPARAM)hfont, (LPARAM)TRUE);
+/* If we changed the font... */
-if(oldfont)
+if(hfont)
-DeleteObject(oldfont);
+{
-return 0;
+Item *item = _box_item(handle);
+SendMessage(handle, WM_SETFONT, (WPARAM)hfont, (LPARAM)TRUE);
+if(oldfont)
+DeleteObject(oldfont);
+/* Check to see if any of the sizes need to be recalculated */
+if(item && (item->origwidth == -1 || item->origheight == -1))
+_control_size(handle, item->origwidth == -1 ? &item->width : NULL, item->origheight == -1 ? &item->height : NULL);
+return DW_ERROR_NONE;
+}
+return DW_ERROR_UNKNOWN;
 }
 /* Allows the user to choose a font using the system's font chooser dialog.
 * Parameters:
 *       currfont: current font
 /* groupbox */
 thisbox = (Box *)GetWindowLongPtr( handle, GWLP_USERDATA );
 if ( thisbox && thisbox->grouphwnd != (HWND)NULL )
 SetWindowText( thisbox->grouphwnd, text );
 }
+/* If we changed the text... */
+{
+Item *item = _box_item(handle);
+/* Check to see if any of the sizes need to be recalculated */
+if(item && (item->origwidth == -1 || item->origheight == -1))
+_control_size(handle, item->origwidth == -1 ? &item->width : NULL, item->origheight == -1 ? &item->height : NULL);
+}
 }
 /*
 * Sets the text used for a given window's floating bubble help.
 * Parameters:
 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 = hsize ? SIZEEXPAND : SIZESTATIC;
-tmpitem[index].hsize = SIZEEXPAND;
+tmpitem[index].vsize = vsize ? SIZEEXPAND : SIZESTATIC;
-else
-tmpitem[index].hsize = SIZESTATIC;
+/* If either of the parameters are -1 ... calculate the size */
+if(width == -1 || height == -1)
-if(vsize)
+_control_size(item, width == -1 ? &tmpitem[index].width : NULL, height == -1 ? &tmpitem[index].height : NULL);
-tmpitem[index].vsize = SIZEEXPAND;
-else
-tmpitem[index].vsize = SIZESTATIC;
 thisbox->items = tmpitem;
 if(thisbox->count)
 free(thisitem);

Mercurial > dwindows

comparison win/dw.c @ 1411:22ba64e357de