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annotate dw.hpp @ 2861:ef7a414f9b71

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Add initial C++ binding header and example program. Still trying to figure out how it will work, but it is loosely based on GTK-- and when complete dwtestoo will replicate dwtest. Added support for building dwtestoo on Unix and Mac.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Thu, 15 Dec 2022 12:42:34 +0000
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children fd32dce7fecd
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1 /* Dynamic Windows C++ Language Bindings
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2 * Copyright 2022 Brian Smith
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3 */
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4
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5 #ifndef _HPP_DW
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6 #define _HPP_DW
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7 #include <dw.h>
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8
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9 namespace DW
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10 {
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11
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12 // Base handle class which allows opaque access to
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13 // The base system handles
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14 class Handle
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15 {
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16 private:
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17 void *handle;
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18 public:
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19 void SetHandle(void *newhandle) { handle = newhandle; }
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20 void *GetHandle() { return handle; }
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21 };
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22
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23 // Widget class allows packing and style
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24 class Widget : public Handle
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25 {
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26 public:
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27 HWND hwnd;
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28 HWND GetHWND() { return reinterpret_cast<HWND>(GetHandle()); }
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29 void SetHWND(HWND newhwnd) { hwnd = newhwnd; SetHandle(reinterpret_cast<void *>(newhwnd)); }
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30 };
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31
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32 // Box class is a packable object
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33 class Box : public Widget
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34 {
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35 };
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36
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37 // Top-level window class is packable
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38 class Window : public Box
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39 {
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40 public:
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41 Window(HWND owner, const char *title, unsigned long style) { SetHWND(dw_window_new(owner, title, style)); }
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42 Window(const char *title, unsigned long style) { SetHWND(dw_window_new(HWND_DESKTOP, title, style)); }
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43 Window(unsigned long style) { SetHWND(dw_window_new(HWND_DESKTOP, "", style)); }
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44 Window(const char *title) { SetHWND(dw_window_new(HWND_DESKTOP, title, DW_FCF_SYSMENU | DW_FCF_TITLEBAR |
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45 DW_FCF_TASKLIST | DW_FCF_SIZEBORDER | DW_FCF_MINMAX)); }
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46 Window() { SetHWND(dw_window_new(HWND_DESKTOP, "", DW_FCF_SYSMENU | DW_FCF_TITLEBAR |
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47 DW_FCF_TASKLIST | DW_FCF_SIZEBORDER | DW_FCF_MINMAX)); }
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48
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49 void SetText(const char *text) { dw_window_set_text(hwnd, text); }
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50 void SetSize(unsigned long width, unsigned long height) { dw_window_set_size(hwnd, width, height); }
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51 void Show() { dw_window_show(hwnd); }
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52 };
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53
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54 class App
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55 {
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56 public:
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57 App() { dw_init(TRUE, 0, NULL); }
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58 App(const char *appid) { dw_app_id_set(appid, NULL); dw_init(TRUE, 0, NULL); }
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59 App(const char *appid, const char *appname) { dw_app_id_set(appid, appname); dw_init(TRUE, 0, NULL); }
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60 App(int argc, char *argv[]) { dw_init(TRUE, argc, argv); }
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61 App(int argc, char *argv[], const char *appid) { dw_app_id_set(appid, NULL); dw_init(TRUE, argc, argv); }
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62 App(int argc, char *argv[], const char *appid, const char *appname) { dw_app_id_set(appid, appname); dw_init(TRUE, argc, argv); }
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63
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64 void Main() { dw_main(); }
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65 void MainIteration() { dw_main_iteration(); }
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66 void MainQuit() { dw_main_quit(); }
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67 void Exit(int exitcode) { dw_exit(exitcode); }
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68 };
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69
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70 #if 0
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71 // Class that allows drawing, either to screen or picture (pixmap)
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72 class Drawable
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73 {
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74 void DrawPoint(int x, int y);
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75 void DrawLine(int x1, int y1, int x2, int y2);
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76 void DrawPolygon(int flags, int x[], int y[]);
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77 void DrawRect(int fill, int x, int y, int width, int height);
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78 void DrawArc(int flags, int xorigin, int yorigin, int x1, int y1, int x2, int y2);
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79 void DrawText(int x, int y, std::string text);
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80 int BitBltStretch(int xdest, int ydest, int width, int height, HWND src, int xsrc, int ysrc, int srcwidth, int srcheight);
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81 int BitBltStretch(int xdest, int ydest, int width, int height, HPIXMAP srcp, int xsrc, int ysrc, int srcwidth, int srcheight);
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82 void BitBlt(int xdest, int ydest, int width, int height, HWND src, int xsrc, int ysrc);
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83 void BitBlt(int xdest, int ydest, int width, int height, HPIXMAP srcp, int xsrc, int ysrc);
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84 };
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85
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86 class Render : public Drawable, public Widget
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87 {
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88 };
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89
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90 class Pixmap : public Drawable, public Handle
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91 {
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92 };
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93 #endif
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94
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95 } /* namespace DW */
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96 #endif