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comparison: plugins/win32/winprefs/gtkappbar.c

plugins/win32/winprefs/gtkappbar.c

changeset 6409
ea9ba622db3f
child 6436
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equal deleted inserted replaced
6408:06b363db745c 6409:ea9ba622db3f
1 /*
2 * gaim - WinGaim Options Plugin
3 *
4 * File: gtkappbar.c
5 * Date: August 2, 2003
6 * Description: Appbar functionality for Windows GTK+ applications
7 *
8 * Copyright (C) 2003, Herman Bloggs <hermanator12002@yahoo.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25 /*
26 * TODO:
27 * - Move 'App on top' feature from Trans plugin to here
28 * - Bug: Multiple Show/Hide Desktop calls causes client area to disapear
29 */
30 #include <windows.h>
31 #include <winver.h>
32 #include <stdio.h>
33 #include <gtk/gtk.h>
34 #include <gdk/gdkwin32.h>
35 #include "gtkappbar.h"
36 #include "debug.h"
37
38 #define APPBAR_CALLBACK WM_USER + 1010
39
40 static void get_window_normal_rc(HWND hwnd, RECT *rc) {
41 WINDOWPLACEMENT wplc;
42 GetWindowPlacement(hwnd, &wplc);
43 CopyRect(rc, &wplc.rcNormalPosition);
44 }
45
46 static void print_rect(RECT *rc) {
47 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "RECT: L:%ld R:%ld T:%ld B:%ld\n",
48 rc->left, rc->right, rc->top, rc->bottom);
49 }
50
51 static void set_toolbar(HWND hwnd, gboolean val) {
52 LONG style=0;
53
54 style = GetWindowLong(hwnd, GWL_EXSTYLE);
55 if(val && !(style & WS_EX_TOOLWINDOW))
56 style |= WS_EX_TOOLWINDOW;
57 else if(!val && style & WS_EX_TOOLWINDOW)
58 style &= ~WS_EX_TOOLWINDOW;
59 else
60 return;
61 SetWindowLong(hwnd, GWL_EXSTYLE, style);
62 SetWindowPos(hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
63 }
64
65 static gboolean gtk_appbar_register(GtkAppBar *ab, HWND hwnd) {
66 APPBARDATA abd;
67
68 abd.cbSize = sizeof(APPBARDATA);
69 abd.hWnd = hwnd;
70 abd.uCallbackMessage = APPBAR_CALLBACK;
71
72 ab->registered = SHAppBarMessage(ABM_NEW, &abd);
73
74 return ab->registered;
75 }
76
77 static gboolean gtk_appbar_unregister(GtkAppBar *ab, HWND hwnd) {
78 APPBARDATA abd;
79
80 if(!ab->registered)
81 return TRUE;
82
83 abd.cbSize = sizeof(APPBARDATA);
84 abd.hWnd = hwnd;
85
86 ab->registered = !SHAppBarMessage(ABM_REMOVE, &abd);
87
88 if(!ab->registered) {
89 ab->docked = FALSE;
90 ab->docking = FALSE;
91 }
92 return !ab->registered;
93 }
94
95 static void gtk_appbar_querypos(GtkAppBar *ab, HWND hwnd, RECT *rc) {
96 APPBARDATA abd;
97 int iWidth = 0;
98
99 if(!ab->registered)
100 gtk_appbar_register(ab, hwnd);
101
102 abd.hWnd = hwnd;
103 abd.cbSize = sizeof(APPBARDATA);
104 CopyRect(&abd.rc, rc);
105 abd.uEdge = ab->side;
106
107 iWidth = abd.rc.right - abd.rc.left;
108
109 abd.rc.top = 0;
110 abd.rc.bottom = GetSystemMetrics(SM_CYSCREEN);
111 switch (abd.uEdge)
112 {
113 case ABE_LEFT:
114 abd.rc.left = 0;
115 abd.rc.right = iWidth;
116 break;
117
118 case ABE_RIGHT:
119 abd.rc.right = GetSystemMetrics(SM_CXSCREEN);
120 abd.rc.left = abd.rc.right - iWidth;
121 break;
122 }
123
124 /* Ask the system for the screen space */
125 SHAppBarMessage(ABM_QUERYPOS, &abd);
126
127 switch (abd.uEdge)
128 {
129 case ABE_LEFT:
130 abd.rc.right = abd.rc.left + iWidth;
131 break;
132
133 case ABE_RIGHT:
134 abd.rc.left = abd.rc.right - iWidth;
135 break;
136 }
137
138 CopyRect(rc, &abd.rc);
139 }
140
141 static void gtk_appbar_setpos(GtkAppBar *ab, HWND hwnd) {
142 APPBARDATA abd;
143
144 if(!ab->registered)
145 gtk_appbar_register(ab, hwnd);
146
147 abd.hWnd = hwnd;
148 abd.cbSize = sizeof(APPBARDATA);
149 CopyRect(&abd.rc, &(ab->docked_rect));
150 abd.uEdge = ab->side;
151
152 SHAppBarMessage(ABM_SETPOS, &abd);
153 }
154
155 static GdkFilterReturn wnd_moving(GtkAppBar *ab, GdkXEvent *xevent) {
156 MSG *msg = (MSG*)xevent;
157 POINT cp;
158 LONG cxScreen;
159 RECT *rc = (RECT*)msg->lParam;
160 int side = -1;
161
162 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_moving\n");
163
164 cxScreen = GetSystemMetrics(SM_CXSCREEN);
165 GetCursorPos(&cp);
166
167 /* Which part of the screen are we in ? */
168 if( cp.x > (cxScreen - (cxScreen / 10)) )
169 side = ABE_RIGHT;
170 else if( cp.x < (cxScreen / 10) )
171 side = ABE_LEFT;
172
173 if(!ab->docked) {
174 if( (side == ABE_RIGHT || side == ABE_LEFT) ) {
175 if( !ab->docking ) {
176 ab->side = side;
177 GetWindowRect(msg->hwnd, &(ab->docked_rect));
178 gtk_appbar_querypos(ab, msg->hwnd, &(ab->docked_rect));
179
180 /* save pre-docking height */
181 ab->undocked_height = rc->bottom - rc->top;
182 ab->docking = TRUE;
183 }
184 }
185 else
186 ab->docking = FALSE;
187 }
188 else if(side < 0) {
189 gtk_appbar_unregister(ab, msg->hwnd);
190 rc->bottom = rc->top + ab->undocked_height;
191 }
192
193 /* Switch to toolbar/regular caption*/
194 if(ab->docking)
195 set_toolbar(msg->hwnd, TRUE);
196 else if(!ab->docked)
197 set_toolbar(msg->hwnd, FALSE);
198
199 return GDK_FILTER_CONTINUE;
200 }
201
202 static GdkFilterReturn wnd_sizing(GtkAppBar *ab, GdkXEvent *xevent) {
203 MSG *msg = (MSG*)xevent;
204
205 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_sizing\n");
206 if(ab->docked) {
207 RECT *rc = (RECT*)msg->lParam;
208 if(ab->side == ABE_LEFT && msg->wParam == WMSZ_RIGHT) {
209 ab->docked_rect.right = rc->right;
210 gtk_appbar_setpos(ab, msg->hwnd);
211 }
212 else if(ab->side == ABE_RIGHT && msg->wParam == WMSZ_LEFT) {
213 ab->docked_rect.left = rc->left;
214 gtk_appbar_setpos(ab, msg->hwnd);
215 }
216 return GDK_FILTER_REMOVE;
217 }
218 return GDK_FILTER_CONTINUE;
219 }
220
221 static GdkFilterReturn wnd_poschanging(GtkAppBar *ab, GdkXEvent *xevent) {
222 MSG *msg = (MSG*)xevent;
223 WINDOWPOS *wpos = (WINDOWPOS*)msg->lParam;
224
225 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_poschanging\n");
226
227 if(ab->docked || ab->docking) {
228 wpos->x = ab->docked_rect.left;
229 wpos->y = ab->docked_rect.top;
230 wpos->cx = ab->docked_rect.right - ab->docked_rect.left;
231 wpos->cy = ab->docked_rect.bottom - ab->docked_rect.top;
232 if(IsIconic(msg->hwnd))
233 set_toolbar(msg->hwnd, FALSE);
234 /*return GDK_FILTER_REMOVE;*/
235 }
236 return GDK_FILTER_CONTINUE;
237 }
238
239 static GdkFilterReturn wnd_exitsizemove(GtkAppBar *ab, GdkXEvent *xevent) {
240 MSG *msg = (MSG*)xevent;
241
242 if(ab->docking) {
243 gtk_appbar_setpos(ab, msg->hwnd);
244 ab->docking = FALSE;
245 ab->docked = TRUE;
246 }
247 else if(!ab->docked) {
248 gtk_appbar_unregister(ab, msg->hwnd);
249 }
250
251 return GDK_FILTER_CONTINUE;
252 }
253
254 static GdkFilterReturn wnd_showwindow(GtkAppBar *ab, GdkXEvent *xevent) {
255 MSG *msg = (MSG*)xevent;
256
257 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_showwindow\n");
258 if(msg->wParam && ab->docked) {
259 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "shown\n");
260 ab->docked = FALSE;
261 gtk_appbar_dock(ab, ab->side);
262
263 }
264 else if(!msg->wParam && ab->docked) {
265 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "hidden\n");
266 gtk_appbar_unregister(ab, GDK_WINDOW_HWND(ab->win->window));
267 set_toolbar(GDK_WINDOW_HWND(ab->win->window), FALSE);
268 ab->docked = TRUE;
269 }
270 return GDK_FILTER_CONTINUE;
271 }
272
273 static GdkFilterReturn wnd_size(GtkAppBar *ab, GdkXEvent *xevent) {
274 MSG *msg = (MSG*)xevent;
275
276 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_size\n");
277
278 if(msg->wParam == SIZE_MINIMIZED) {
279 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "Minimize\n");
280 if(ab->docked) {
281 gtk_appbar_unregister(ab, GDK_WINDOW_HWND(ab->win->window));
282 ab->docked = TRUE;
283 }
284 }
285 else if(msg->wParam == SIZE_RESTORED) {
286 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "Restore\n");
287 if(ab->docked) {
288 gtk_appbar_dock(ab, ab->side);
289 }
290 }
291 return GDK_FILTER_CONTINUE;
292 }
293
294 static GdkFilterReturn wnd_nchittest(GtkAppBar *ab, GdkXEvent *xevent) {
295 MSG *msg = (MSG*)xevent;
296
297 if(ab->docked) {
298 UINT ret = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
299
300 switch(ret) {
301 case HTBOTTOM:
302 case HTBOTTOMLEFT:
303 case HTBOTTOMRIGHT:
304 case HTTOP:
305 case HTTOPLEFT:
306 case HTTOPRIGHT:
307 return GDK_FILTER_REMOVE;
308 case HTLEFT:
309 if(ab->side == ABE_LEFT)
310 return GDK_FILTER_REMOVE;
311 break;
312 case HTRIGHT:
313 if(ab->side == ABE_RIGHT)
314 return GDK_FILTER_REMOVE;
315 break;
316 }
317 }
318 return GDK_FILTER_CONTINUE;
319 }
320
321 #if 0
322 static GdkFilterReturn wnd_initmenupopup(GtkAppBar *ab, GdkXEvent *xevent) {
323 MSG *msg = (MSG*)xevent;
324
325 if(ab->docked && HIWORD(msg->lParam)) {
326 HMENU sysmenu = GetSystemMenu(msg->hwnd, FALSE);
327 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "wnd_initpopupmenu: docked: %d ismenu: %d\n", ab->docked, IsMenu(sysmenu));
328 if(EnableMenuItem(sysmenu, SC_MAXIMIZE, MF_BYCOMMAND|MF_GRAYED)<0)
329 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "SC_MAXIMIZE Menu item does not exist\n");
330 if(EnableMenuItem(sysmenu, SC_MOVE, MF_BYCOMMAND|MF_GRAYED)<0)
331 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "SC_MOVE Menu item does not exist\n");
332 return GDK_FILTER_CONTINUE;
333 }
334 else
335 GetSystemMenu(msg->hwnd, TRUE);
336 return GDK_FILTER_CONTINUE;
337 }
338 #endif
339
340 static GdkFilterReturn gtk_appbar_callback(GtkAppBar *ab, GdkXEvent *xevent) {
341 MSG *msg = (MSG*)xevent;
342
343 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback\n");
344 switch (msg->wParam) {
345 case ABN_STATECHANGE:
346 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback: ABN_STATECHANGE\n");
347 break;
348
349 case ABN_FULLSCREENAPP:
350 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback: ABN_FULLSCREENAPP: %d\n", (BOOL)msg->lParam);
351 break;
352
353 case ABN_POSCHANGED:
354 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_callback: ABN_POSCHANGED\n");
355 gtk_appbar_querypos(ab, msg->hwnd, &(ab->docked_rect));
356 MoveWindow(msg->hwnd, ab->docked_rect.left, ab->docked_rect.top,
357 ab->docked_rect.right - ab->docked_rect.left,
358 ab->docked_rect.bottom - ab->docked_rect.top, TRUE);
359 gtk_appbar_setpos(ab, msg->hwnd);
360 break;
361 }
362 return GDK_FILTER_CONTINUE;
363 }
364
365 static GdkFilterReturn gtk_appbar_event_filter(GdkXEvent *xevent, GdkEvent *event, gpointer data) {
366 MSG *msg = (MSG*)xevent;
367
368 /*printf("MSG: %s\n", message_to_string (msg->message));*/
369 switch(msg->message) {
370 case WM_EXITSIZEMOVE:
371 return wnd_exitsizemove(data, xevent);
372 case WM_WINDOWPOSCHANGING:
373 return wnd_poschanging(data, xevent);
374 case WM_SIZING:
375 return wnd_sizing(data, xevent);
376 case WM_MOVING:
377 return wnd_moving(data, xevent);
378 case WM_SHOWWINDOW:
379 return wnd_showwindow(data, xevent);
380 case WM_NCHITTEST:
381 return wnd_nchittest(data, xevent);
382 #if 0
383 case WM_INITMENUPOPUP:
384 return wnd_initmenupopup(data, xevent);
385 #endif
386 case WM_SIZE:
387 return wnd_size(data, xevent);
388 case APPBAR_CALLBACK:
389 return gtk_appbar_callback(data, xevent);
390 default:
391 }
392 return GDK_FILTER_CONTINUE;
393 }
394
395 void gtk_appbar_dock(GtkAppBar *ab, UINT side) {
396 RECT orig;
397
398 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_dock\n");
399
400 if(!ab || !IsWindow(GDK_WINDOW_HWND(ab->win->window)))
401 return;
402
403 ab->side = side;
404 get_window_normal_rc(GDK_WINDOW_HWND(ab->win->window), &(ab->docked_rect));
405 CopyRect(&orig, &(ab->docked_rect));
406 print_rect(&(ab->docked_rect));
407 gtk_appbar_querypos(ab, GDK_WINDOW_HWND(ab->win->window), &(ab->docked_rect));
408 if(EqualRect(&orig, &(ab->docked_rect)) == 0)
409 MoveWindow(GDK_WINDOW_HWND(ab->win->window),
410 ab->docked_rect.left,
411 ab->docked_rect.top,
412 ab->docked_rect.right - ab->docked_rect.left,
413 ab->docked_rect.bottom - ab->docked_rect.top, TRUE);
414 gtk_appbar_setpos(ab, GDK_WINDOW_HWND(ab->win->window));
415 set_toolbar(GDK_WINDOW_HWND(ab->win->window), TRUE);
416 ab->docked = TRUE;
417 }
418
419 GtkAppBar *gtk_appbar_add(GtkWidget *win) {
420 GtkAppBar *ab;
421
422 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_add\n");
423
424 if(!win)
425 return NULL;
426 ab = g_new0(GtkAppBar, 1);
427 ab->win = win;
428
429 /* init docking coords */
430 get_window_normal_rc(GDK_WINDOW_HWND(win->window), &(ab->docked_rect));
431
432 /* Add main window filter */
433 gdk_window_add_filter(win->window,
434 gtk_appbar_event_filter,
435 ab);
436 return ab;
437 }
438
439 void gtk_appbar_remove(GtkAppBar *ab) {
440 gaim_debug(GAIM_DEBUG_INFO, "gtkappbar", "gtk_appbar_remove\n");
441
442 if(!ab)
443 return;
444 gdk_window_remove_filter(ab->win->window,
445 gtk_appbar_event_filter,
446 ab);
447 if(ab->docked) {
448 gtk_window_resize(GTK_WINDOW(ab->win),
449 ab->docked_rect.right - ab->docked_rect.left,
450 ab->undocked_height);
451 set_toolbar(GDK_WINDOW_HWND(ab->win->window), FALSE);
452 }
453 gtk_appbar_unregister(ab, GDK_WINDOW_HWND(ab->win->window));
454
455 g_free(ab);
456 }

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