This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_win32window.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "../SDL_sysvideo.h"
#include "SDL_win32video.h"
28
29
30
/* This is included after SDL_win32video.h, which includes windows.h */
#include "SDL_syswm.h"
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
static int
SetupWindowData(SDL_Window * window, HWND hwnd, BOOL created)
{
SDL_WindowData *data;
/* Allocate the window data */
data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
if (!data) {
SDL_OutOfMemory();
return -1;
}
data->window = window;
data->hwnd = hwnd;
data->created = created;
/* Associate the data with the window */
if (!SetProp(hwnd, TEXT("SDL_WindowData"), data)) {
SDL_free(data);
WIN_SetError("SetProp() failed");
return -1;
}
/* Set up the window proc function */
data->wndproc = (WNDPROC) GetWindowLongPtr(hwnd, GWLP_WNDPROC);
if (data->wndproc == NULL) {
data->wndproc = DefWindowProc;
} else {
SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) WIN_WindowProc);
}
/* Fill in the SDL window with the window data */
{
POINT point;
65
66
point.x = 0;
point.y = 0;
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
if (ClientToScreen(hwnd, &point)) {
window->x = point.x;
window->y = point.y;
}
}
{
RECT rect;
if (GetClientRect(hwnd, &rect)) {
window->w = rect.right;
window->h = rect.bottom;
}
}
{
DWORD style = GetWindowLong(hwnd, GWL_STYLE);
if (style & WS_VISIBLE) {
window->flags |= SDL_WINDOW_SHOWN;
} else {
window->flags &= ~SDL_WINDOW_SHOWN;
}
if (style & (WS_BORDER | WS_THICKFRAME)) {
window->flags &= ~SDL_WINDOW_BORDERLESS;
} else {
window->flags |= SDL_WINDOW_BORDERLESS;
}
if (style & WS_THICKFRAME) {
window->flags |= SDL_WINDOW_RESIZABLE;
} else {
window->flags &= ~SDL_WINDOW_RESIZABLE;
}
if (style & WS_MAXIMIZE) {
window->flags |= SDL_WINDOW_MAXIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MAXIMIZED;
}
if (style & WS_MINIMIZE) {
window->flags |= SDL_WINDOW_MINIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MINIMIZED;
}
}
/* All done! */
window->driverdata = data;
return 0;
}
113
int
114
WIN_CreateWindow(_THIS, SDL_Window * window)
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
HWND hwnd;
LPTSTR title = NULL;
HWND top;
RECT rect;
DWORD style = 0;
int x, y;
int w, h;
if (window->title) {
title = WIN_UTF8ToString(window->title);
} else {
title = NULL;
}
if (window->flags & SDL_WINDOW_SHOWN) {
style |= WS_VISIBLE;
}
if ((window->flags & (SDL_WINDOW_FULLSCREEN | SDL_WINDOW_BORDERLESS))) {
style |= WS_POPUP;
} else {
style |= (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX);
}
if (window->flags & SDL_WINDOW_RESIZABLE) {
style |= (WS_THICKFRAME | WS_MAXIMIZEBOX);
}
if (window->flags & SDL_WINDOW_MAXIMIZED) {
style |= WS_MAXIMIZE;
}
if (window->flags & SDL_WINDOW_MINIMIZED) {
style |= WS_MINIMIZE;
}
/* Figure out what the window area will be */
if (window->flags & SDL_WINDOW_FULLSCREEN) {
top = HWND_TOPMOST;
} else {
top = HWND_NOTOPMOST;
}
rect.left = 0;
rect.top = 0;
rect.right = window->w;
rect.bottom = window->h;
AdjustWindowRectEx(&rect, style, FALSE, 0);
w = (rect.right - rect.left);
h = (rect.bottom - rect.top);
if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
window->x == SDL_WINDOWPOS_CENTERED) {
x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
} else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
x = CW_USEDEFAULT;
} else {
x = window->x + rect.left;
}
if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
window->y == SDL_WINDOWPOS_CENTERED) {
y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
} else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
y = CW_USEDEFAULT;
} else {
y = window->y + rect.top;
}
hwnd = CreateWindow(SDL_Appname,
title ? title : TEXT(""),
style, x, y, w, h, NULL, NULL, SDL_Instance, NULL);
if (title) {
SDL_free(title);
}
if (!hwnd) {
WIN_SetError("Couldn't create window");
return -1;
}
if (SetupWindowData(window, hwnd, TRUE) < 0) {
DestroyWindow(hwnd);
return -1;
}
return 0;
198
int
199
WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
HWND hwnd = (HWND) data;
LPTSTR title;
int titleLen;
/* Query the title from the existing window */
titleLen = GetWindowTextLength(hwnd);
title = SDL_stack_alloc(TCHAR, titleLen + 1);
if (title) {
titleLen = GetWindowText(hwnd, title, titleLen);
} else {
titleLen = 0;
}
if (titleLen > 0) {
window->title = WIN_StringToUTF8(title);
}
if (title) {
SDL_stack_free(title);
}
if (SetupWindowData(window, hwnd, FALSE) < 0) {
return -1;
}
return 0;
226
void
227
WIN_SetWindowTitle(_THIS, SDL_Window * window)
229
230
231
232
233
234
235
236
237
238
239
240
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
LPTSTR title;
if (window->title) {
title = WIN_UTF8ToString(window->title);
} else {
title = NULL;
}
SetWindowText(hwnd, title ? title : TEXT(""));
if (title) {
SDL_free(title);
}
243
void
244
WIN_SetWindowPosition(_THIS, SDL_Window * window)
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
RECT rect;
DWORD style;
HWND top;
int x, y;
int w, h;
/* Figure out what the window area will be */
if (window->flags & SDL_WINDOW_FULLSCREEN) {
top = HWND_TOPMOST;
} else {
top = HWND_NOTOPMOST;
}
style = GetWindowLong(hwnd, GWL_STYLE);
rect.left = 0;
rect.top = 0;
rect.right = window->w;
rect.bottom = window->h;
AdjustWindowRectEx(&rect, style,
(style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) !=
NULL), 0);
w = (rect.right - rect.left);
h = (rect.bottom - rect.top);
if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
window->x == SDL_WINDOWPOS_CENTERED) {
x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
window->x = x - rect.left;
} else {
x = window->x + rect.left;
}
if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
window->y == SDL_WINDOWPOS_CENTERED) {
y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
window->y = y - rect.top;
} else {
y = window->y + rect.top;
}
SetWindowPos(hwnd, top, x, y, h, w, (SWP_NOCOPYBITS | SWP_NOSIZE));
287
void
288
WIN_SetWindowSize(_THIS, SDL_Window * window)
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
RECT rect;
DWORD style;
HWND top;
int w, h;
/* Figure out what the window area will be */
if (window->flags & SDL_WINDOW_FULLSCREEN) {
top = HWND_TOPMOST;
} else {
top = HWND_NOTOPMOST;
}
style = GetWindowLong(hwnd, GWL_STYLE);
rect.left = 0;
rect.top = 0;
rect.right = window->w;
rect.bottom = window->h;
AdjustWindowRectEx(&rect, style,
(style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) !=
NULL), 0);
w = (rect.right - rect.left);
h = (rect.bottom - rect.top);
SetWindowPos(hwnd, top, 0, 0, h, w, (SWP_NOCOPYBITS | SWP_NOMOVE));
316
void
317
WIN_ShowWindow(_THIS, SDL_Window * window)
319
320
321
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
ShowWindow(hwnd, SW_SHOW);
324
void
325
WIN_HideWindow(_THIS, SDL_Window * window)
327
328
329
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
ShowWindow(hwnd, SW_HIDE);
332
void
333
WIN_RaiseWindow(_THIS, SDL_Window * window)
335
336
337
338
339
340
341
342
343
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
HWND top;
if (window->flags & SDL_WINDOW_FULLSCREEN) {
top = HWND_TOPMOST;
} else {
top = HWND_NOTOPMOST;
}
SetWindowPos(hwnd, top, 0, 0, 0, 0, (SWP_NOMOVE | SWP_NOSIZE));
346
void
347
WIN_MaximizeWindow(_THIS, SDL_Window * window)
349
350
351
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
ShowWindow(hwnd, SW_MAXIMIZE);
354
void
355
WIN_MinimizeWindow(_THIS, SDL_Window * window)
357
358
359
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
ShowWindow(hwnd, SW_MINIMIZE);
362
void
363
WIN_RestoreWindow(_THIS, SDL_Window * window)
365
366
367
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
ShowWindow(hwnd, SW_RESTORE);
370
void
371
WIN_SetWindowGrab(_THIS, SDL_Window * window)
373
/* FIXME! */
376
void
377
WIN_DestroyWindow(_THIS, SDL_Window * window)
379
380
381
382
383
384
385
386
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
if (data) {
if (data->created) {
DestroyWindow(data->hwnd);
}
SDL_free(data);
}
389
SDL_bool
390
WIN_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
392
393
394
395
396
397
398
399
400
401
402
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
if (info->version.major <= SDL_MAJOR_VERSION) {
info->window = hwnd;
/* FIXME! */
info->hglrc = NULL;
return SDL_TRUE;
} else {
SDL_SetError("Application not compiled with SDL %d.%d\n",
SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
return SDL_FALSE;
}
403
404
405
}
/* vi: set ts=4 sw=4 expandtab: */