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wined3d: Create a backup context if setting the pixel format failed in wined3d_contex...
[wine.git] / programs / explorer / systray.c
blobf9e6661af4f6a4401e0fa5f42989a96ed741dd4f
1 /*
2 * Copyright (C) 2004 Mike Hearn, for CodeWeavers
3 * Copyright (C) 2005 Robert Shearman
4 * Copyright (C) 2008 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <assert.h>
22
23 #define NONAMELESSUNION
24 #define _WIN32_IE 0x500
25 #include <windows.h>
26 #include <commctrl.h>
27 #include <shellapi.h>
28
29 #include <wine/debug.h>
30 #include <wine/list.h>
31
32 #include "explorer_private.h"
33 #include "resource.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(systray);
36
37 struct notify_data /* platform-independent format for NOTIFYICONDATA */
38 {
39 LONG hWnd;
40 UINT uID;
41 UINT uFlags;
42 UINT uCallbackMessage;
43 WCHAR szTip[128];
44 DWORD dwState;
45 DWORD dwStateMask;
46 WCHAR szInfo[256];
47 union {
48 UINT uTimeout;
49 UINT uVersion;
50 } u;
51 WCHAR szInfoTitle[64];
52 DWORD dwInfoFlags;
53 GUID guidItem;
54 /* data for the icon bitmap */
55 UINT width;
56 UINT height;
57 UINT planes;
58 UINT bpp;
59 };
60
61 static int (CDECL *wine_notify_icon)(DWORD,NOTIFYICONDATAW *);
62
63 /* an individual systray icon, unpacked from the NOTIFYICONDATA and always in unicode */
64 struct icon
65 {
66 struct list entry;
67 HICON image; /* the image to render */
68 HWND owner; /* the HWND passed in to the Shell_NotifyIcon call */
69 HWND tooltip; /* Icon tooltip */
70 UINT state; /* state flags */
71 UINT id; /* the unique id given by the app */
72 UINT callback_message;
73 int display; /* index in display list, or -1 if hidden */
74 WCHAR tiptext[128]; /* Tooltip text. If empty => tooltip disabled */
75 WCHAR info_text[256]; /* info balloon text */
76 WCHAR info_title[64]; /* info balloon title */
77 UINT info_flags; /* flags for info balloon */
78 UINT info_timeout; /* timeout for info balloon */
79 HICON info_icon; /* info balloon icon */
80 UINT version; /* notify icon api version */
81 };
82
83 static struct list icon_list = LIST_INIT( icon_list );
84
85 struct taskbar_button
86 {
87 struct list entry;
88 HWND hwnd;
89 HWND button;
90 BOOL active;
91 BOOL visible;
92 };
93
94 static struct list taskbar_buttons = LIST_INIT( taskbar_buttons );
95
96 static HWND tray_window;
97
98 static unsigned int alloc_displayed;
99 static unsigned int nb_displayed;
100 static struct icon **displayed; /* array of currently displayed icons */
101
102 static BOOL hide_systray, enable_shell;
103 static int icon_cx, icon_cy, tray_width, tray_height;
104 static int start_button_width, taskbar_button_width;
105 static WCHAR start_label[50];
106
107 static struct icon *balloon_icon;
108 static HWND balloon_window;
109
110 #define MIN_DISPLAYED 8
111 #define ICON_BORDER 2
112
113 #define BALLOON_CREATE_TIMER 1
114 #define BALLOON_SHOW_TIMER 2
115
116 #define BALLOON_CREATE_TIMEOUT 2000
117 #define BALLOON_SHOW_MIN_TIMEOUT 10000
118 #define BALLOON_SHOW_MAX_TIMEOUT 30000
119
120 #define WM_POPUPSYSTEMMENU 0x0313
121
122 static void do_hide_systray(void);
123 static void do_show_systray(void);
124
125 /* Retrieves icon record by owner window and ID */
126 static struct icon *get_icon(HWND owner, UINT id)
127 {
128 struct icon *this;
129
130 /* search for the icon */
131 LIST_FOR_EACH_ENTRY( this, &icon_list, struct icon, entry )
132 if ((this->id == id) && (this->owner == owner)) return this;
133
134 return NULL;
135 }
136
137 static RECT get_icon_rect( struct icon *icon )
138 {
139 RECT rect;
140
141 rect.right = tray_width - icon_cx * icon->display;
142 rect.left = rect.right - icon_cx;
143 rect.top = (tray_height - icon_cy) / 2;
144 rect.bottom = rect.top + icon_cy;
145 return rect;
146 }
147
148 static void init_common_controls(void)
149 {
150 static BOOL initialized = FALSE;
151
152 if (!initialized)
153 {
154 INITCOMMONCONTROLSEX init_tooltip;
155
156 init_tooltip.dwSize = sizeof(INITCOMMONCONTROLSEX);
157 init_tooltip.dwICC = ICC_TAB_CLASSES|ICC_STANDARD_CLASSES;
158
159 InitCommonControlsEx(&init_tooltip);
160 initialized = TRUE;
161 }
162 }
163
164 /* Creates tooltip window for icon. */
165 static void create_tooltip(struct icon *icon)
166 {
167 TTTOOLINFOW ti;
168
169 init_common_controls();
170 icon->tooltip = CreateWindowExW(WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL,
171 WS_POPUP | TTS_ALWAYSTIP,
172 CW_USEDEFAULT, CW_USEDEFAULT,
173 CW_USEDEFAULT, CW_USEDEFAULT,
174 tray_window, NULL, NULL, NULL);
175
176 ZeroMemory(&ti, sizeof(ti));
177 ti.cbSize = sizeof(TTTOOLINFOW);
178 ti.hwnd = tray_window;
179 ti.lpszText = icon->tiptext;
180 if (icon->display != -1) ti.rect = get_icon_rect( icon );
181 SendMessageW(icon->tooltip, TTM_ADDTOOLW, 0, (LPARAM)&ti);
182 }
183
184 static void set_balloon_position( struct icon *icon )
185 {
186 RECT rect = get_icon_rect( icon );
187 POINT pos;
188
189 MapWindowPoints( tray_window, 0, (POINT *)&rect, 2 );
190 pos.x = (rect.left + rect.right) / 2;
191 pos.y = (rect.top + rect.bottom) / 2;
192 SendMessageW( balloon_window, TTM_TRACKPOSITION, 0, MAKELONG( pos.x, pos.y ));
193 }
194
195 static void balloon_create_timer(void)
196 {
197 TTTOOLINFOW ti;
198
199 init_common_controls();
200 balloon_window = CreateWindowExW( WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL,
201 WS_POPUP | TTS_ALWAYSTIP | TTS_NOPREFIX | TTS_BALLOON | TTS_CLOSE,
202 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
203 tray_window, NULL, NULL, NULL);
204
205 memset( &ti, 0, sizeof(ti) );
206 ti.cbSize = sizeof(TTTOOLINFOW);
207 ti.hwnd = tray_window;
208 ti.uFlags = TTF_TRACK;
209 ti.lpszText = balloon_icon->info_text;
210 SendMessageW( balloon_window, TTM_ADDTOOLW, 0, (LPARAM)&ti );
211 if ((balloon_icon->info_flags & NIIF_ICONMASK) == NIIF_USER)
212 SendMessageW( balloon_window, TTM_SETTITLEW, (WPARAM)balloon_icon->info_icon,
213 (LPARAM)balloon_icon->info_title );
214 else
215 SendMessageW( balloon_window, TTM_SETTITLEW, balloon_icon->info_flags,
216 (LPARAM)balloon_icon->info_title );
217 set_balloon_position( balloon_icon );
218 SendMessageW( balloon_window, TTM_TRACKACTIVATE, TRUE, (LPARAM)&ti );
219 KillTimer( tray_window, BALLOON_CREATE_TIMER );
220 SetTimer( tray_window, BALLOON_SHOW_TIMER, balloon_icon->info_timeout, NULL );
221 }
222
223 static BOOL show_balloon( struct icon *icon )
224 {
225 if (icon->display == -1) return FALSE; /* not displayed */
226 if (!icon->info_text[0]) return FALSE; /* no balloon */
227 balloon_icon = icon;
228 SetTimer( tray_window, BALLOON_CREATE_TIMER, BALLOON_CREATE_TIMEOUT, NULL );
229 return TRUE;
230 }
231
232 static void hide_balloon(void)
233 {
234 if (!balloon_icon) return;
235 if (balloon_window)
236 {
237 KillTimer( tray_window, BALLOON_SHOW_TIMER );
238 DestroyWindow( balloon_window );
239 balloon_window = 0;
240 }
241 else KillTimer( tray_window, BALLOON_CREATE_TIMER );
242 balloon_icon = NULL;
243 }
244
245 static void show_next_balloon(void)
246 {
247 struct icon *icon;
248
249 LIST_FOR_EACH_ENTRY( icon, &icon_list, struct icon, entry )
250 if (show_balloon( icon )) break;
251 }
252
253 static void update_balloon( struct icon *icon )
254 {
255 if (balloon_icon == icon)
256 {
257 hide_balloon();
258 show_balloon( icon );
259 }
260 else if (!balloon_icon)
261 {
262 if (!show_balloon( icon )) return;
263 }
264 if (!balloon_icon) show_next_balloon();
265 }
266
267 static void balloon_timer(void)
268 {
269 if (balloon_icon) balloon_icon->info_text[0] = 0; /* clear text now that balloon has been shown */
270 hide_balloon();
271 show_next_balloon();
272 }
273
274 /* Synchronize tooltip text with tooltip window */
275 static void update_tooltip_text(struct icon *icon)
276 {
277 TTTOOLINFOW ti;
278
279 ZeroMemory(&ti, sizeof(ti));
280 ti.cbSize = sizeof(TTTOOLINFOW);
281 ti.hwnd = tray_window;
282 ti.lpszText = icon->tiptext;
283
284 SendMessageW(icon->tooltip, TTM_UPDATETIPTEXTW, 0, (LPARAM)&ti);
285 }
286
287 /* synchronize tooltip position with tooltip window */
288 static void update_tooltip_position( struct icon *icon )
289 {
290 TTTOOLINFOW ti;
291
292 ZeroMemory(&ti, sizeof(ti));
293 ti.cbSize = sizeof(TTTOOLINFOW);
294 ti.hwnd = tray_window;
295 if (icon->display != -1) ti.rect = get_icon_rect( icon );
296 SendMessageW( icon->tooltip, TTM_NEWTOOLRECTW, 0, (LPARAM)&ti );
297 if (balloon_icon == icon) set_balloon_position( icon );
298 }
299
300 /* find the icon located at a certain point in the tray window */
301 static struct icon *icon_from_point( int x, int y )
302 {
303 if (y < 0 || y >= icon_cy) return NULL;
304 x = tray_width - x;
305 if (x < 0 || x >= icon_cx * nb_displayed) return NULL;
306 return displayed[x / icon_cx];
307 }
308
309 /* invalidate the portion of the tray window that contains the specified icons */
310 static void invalidate_icons( unsigned int start, unsigned int end )
311 {
312 RECT rect;
313
314 rect.left = tray_width - (end + 1) * icon_cx;
315 rect.top = (tray_height - icon_cy) / 2;
316 rect.right = tray_width - start * icon_cx;
317 rect.bottom = rect.top + icon_cy;
318 InvalidateRect( tray_window, &rect, TRUE );
319 }
320
321 /* make an icon visible */
322 static BOOL show_icon(struct icon *icon)
323 {
324 WINE_TRACE("id=0x%x, hwnd=%p\n", icon->id, icon->owner);
325
326 if (icon->display != -1) return TRUE; /* already displayed */
327
328 if (nb_displayed >= alloc_displayed)
329 {
330 unsigned int new_count = max( alloc_displayed * 2, 32 );
331 struct icon **ptr;
332 if (displayed) ptr = HeapReAlloc( GetProcessHeap(), 0, displayed, new_count * sizeof(*ptr) );
333 else ptr = HeapAlloc( GetProcessHeap(), 0, new_count * sizeof(*ptr) );
334 if (!ptr) return FALSE;
335 displayed = ptr;
336 alloc_displayed = new_count;
337 }
338
339 icon->display = nb_displayed;
340 displayed[nb_displayed++] = icon;
341 update_tooltip_position( icon );
342 invalidate_icons( nb_displayed-1, nb_displayed-1 );
343
344 if (nb_displayed == 1 && !hide_systray) do_show_systray();
345
346 create_tooltip(icon);
347 update_balloon( icon );
348 return TRUE;
349 }
350
351 /* make an icon invisible */
352 static BOOL hide_icon(struct icon *icon)
353 {
354 unsigned int i;
355
356 WINE_TRACE("id=0x%x, hwnd=%p\n", icon->id, icon->owner);
357
358 if (icon->display == -1) return TRUE; /* already hidden */
359
360 assert( nb_displayed );
361 for (i = icon->display; i < nb_displayed - 1; i++)
362 {
363 displayed[i] = displayed[i + 1];
364 displayed[i]->display = i;
365 update_tooltip_position( displayed[i] );
366 }
367 nb_displayed--;
368 invalidate_icons( icon->display, nb_displayed );
369 icon->display = -1;
370
371 if (!nb_displayed && !enable_shell) do_hide_systray();
372
373 update_balloon( icon );
374 update_tooltip_position( icon );
375 return TRUE;
376 }
377
378 /* Modifies an existing icon record */
379 static BOOL modify_icon( struct icon *icon, NOTIFYICONDATAW *nid )
380 {
381 WINE_TRACE("id=0x%x, hwnd=%p\n", nid->uID, nid->hWnd);
382
383 /* demarshal the request from the NID */
384 if (!icon)
385 {
386 WINE_WARN("Invalid icon ID (0x%x) for HWND %p\n", nid->uID, nid->hWnd);
387 return FALSE;
388 }
389
390 if (nid->uFlags & NIF_STATE)
391 {
392 icon->state = (icon->state & ~nid->dwStateMask) | (nid->dwState & nid->dwStateMask);
393 }
394
395 if (nid->uFlags & NIF_ICON)
396 {
397 if (icon->image) DestroyIcon(icon->image);
398 icon->image = CopyIcon(nid->hIcon);
399 if (icon->display != -1) invalidate_icons( icon->display, icon->display );
400 }
401
402 if (nid->uFlags & NIF_MESSAGE)
403 {
404 icon->callback_message = nid->uCallbackMessage;
405 }
406 if (nid->uFlags & NIF_TIP)
407 {
408 lstrcpynW( icon->tiptext, nid->szTip, ARRAY_SIZE( icon->tiptext ));
409 if (icon->display != -1) update_tooltip_text(icon);
410 }
411 if (nid->uFlags & NIF_INFO && nid->cbSize >= NOTIFYICONDATAA_V2_SIZE)
412 {
413 lstrcpynW( icon->info_text, nid->szInfo, ARRAY_SIZE( icon->info_text ));
414 lstrcpynW( icon->info_title, nid->szInfoTitle, ARRAY_SIZE( icon->info_title ));
415 icon->info_flags = nid->dwInfoFlags;
416 icon->info_timeout = max(min(nid->u.uTimeout, BALLOON_SHOW_MAX_TIMEOUT), BALLOON_SHOW_MIN_TIMEOUT);
417 icon->info_icon = nid->hBalloonIcon;
418 update_balloon( icon );
419 }
420 if (icon->state & NIS_HIDDEN) hide_icon( icon );
421 else show_icon( icon );
422 return TRUE;
423 }
424
425 /* Adds a new icon record to the list */
426 static BOOL add_icon(NOTIFYICONDATAW *nid)
427 {
428 struct icon *icon;
429
430 WINE_TRACE("id=0x%x, hwnd=%p\n", nid->uID, nid->hWnd);
431
432 if ((icon = get_icon(nid->hWnd, nid->uID)))
433 {
434 WINE_WARN("duplicate tray icon add, buggy app?\n");
435 return FALSE;
436 }
437
438 if (!(icon = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*icon))))
439 {
440 WINE_ERR("out of memory\n");
441 return FALSE;
442 }
443
444 ZeroMemory(icon, sizeof(struct icon));
445 icon->id = nid->uID;
446 icon->owner = nid->hWnd;
447 icon->display = -1;
448
449 list_add_tail(&icon_list, &icon->entry);
450
451 return modify_icon( icon, nid );
452 }
453
454 /* Deletes tray icon window and icon record */
455 static BOOL delete_icon(struct icon *icon)
456 {
457 hide_icon(icon);
458 list_remove(&icon->entry);
459 DestroyIcon(icon->image);
460 HeapFree(GetProcessHeap(), 0, icon);
461 return TRUE;
462 }
463
464 /* cleanup icons belonging to a window that has been destroyed */
465 static void cleanup_systray_window( HWND hwnd )
466 {
467 struct icon *icon, *next;
468
469 LIST_FOR_EACH_ENTRY_SAFE( icon, next, &icon_list, struct icon, entry )
470 if (icon->owner == hwnd) delete_icon( icon );
471
472 if (wine_notify_icon)
473 {
474 NOTIFYICONDATAW nid = { sizeof(nid), hwnd };
475 wine_notify_icon( 0xdead, &nid );
476 }
477 }
478
479 /* update the taskbar buttons when something changed */
480 static void sync_taskbar_buttons(void)
481 {
482 struct taskbar_button *win;
483 int pos = 0, count = 0;
484 int width = taskbar_button_width;
485 int right = tray_width - nb_displayed * icon_cx;
486 HWND foreground = GetAncestor( GetForegroundWindow(), GA_ROOTOWNER );
487
488 if (!IsWindowVisible( tray_window )) return;
489
490 LIST_FOR_EACH_ENTRY( win, &taskbar_buttons, struct taskbar_button, entry )
491 {
492 if (!win->hwnd) /* start button */
493 {
494 SetWindowPos( win->button, 0, pos, 0, start_button_width, tray_height,
495 SWP_NOZORDER | SWP_NOACTIVATE | SWP_SHOWWINDOW );
496 pos += start_button_width;
497 continue;
498 }
499 win->active = (win->hwnd == foreground);
500 win->visible = IsWindowVisible( win->hwnd ) && !GetWindow( win->hwnd, GW_OWNER );
501 if (win->visible) count++;
502 }
503
504 /* shrink buttons if space is tight */
505 if (count && (count * width > right - pos))
506 width = max( taskbar_button_width / 4, (right - pos) / count );
507
508 LIST_FOR_EACH_ENTRY( win, &taskbar_buttons, struct taskbar_button, entry )
509 {
510 if (!win->hwnd) continue; /* start button */
511 if (win->visible && right - pos >= width)
512 {
513 SetWindowPos( win->button, 0, pos, 0, width, tray_height,
514 SWP_NOZORDER | SWP_NOACTIVATE | SWP_SHOWWINDOW );
515 InvalidateRect( win->button, NULL, TRUE );
516 pos += width;
517 }
518 else SetWindowPos( win->button, 0, 0, 0, 0, 0, SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
519 }
520 }
521
522 static BOOL handle_incoming(HWND hwndSource, COPYDATASTRUCT *cds)
523 {
524 struct icon *icon = NULL;
525 const struct notify_data *data;
526 NOTIFYICONDATAW nid;
527 int ret = FALSE;
528
529 if (cds->cbData < sizeof(*data)) return FALSE;
530 data = cds->lpData;
531
532 nid.cbSize = sizeof(nid);
533 nid.hWnd = LongToHandle( data->hWnd );
534 nid.uID = data->uID;
535 nid.uFlags = data->uFlags;
536 nid.uCallbackMessage = data->uCallbackMessage;
537 nid.hIcon = 0;
538 nid.dwState = data->dwState;
539 nid.dwStateMask = data->dwStateMask;
540 nid.u.uTimeout = data->u.uTimeout;
541 nid.dwInfoFlags = data->dwInfoFlags;
542 nid.guidItem = data->guidItem;
543 lstrcpyW( nid.szTip, data->szTip );
544 lstrcpyW( nid.szInfo, data->szInfo );
545 lstrcpyW( nid.szInfoTitle, data->szInfoTitle );
546 nid.hBalloonIcon = 0;
547
548 /* FIXME: if statement only needed because we don't support interprocess
549 * icon handles */
550 if ((nid.uFlags & NIF_ICON) && cds->cbData > sizeof(*data))
551 {
552 LONG cbMaskBits;
553 LONG cbColourBits;
554 const char *buffer = (const char *)(data + 1);
555
556 cbMaskBits = (data->width * data->height + 15) / 16 * 2;
557 cbColourBits = (data->planes * data->width * data->height * data->bpp + 15) / 16 * 2;
558
559 if (cds->cbData < sizeof(*data) + cbMaskBits + cbColourBits)
560 {
561 WINE_ERR("buffer underflow\n");
562 return FALSE;
563 }
564 nid.hIcon = CreateIcon(NULL, data->width, data->height, data->planes, data->bpp,
565 buffer, buffer + cbMaskBits);
566 }
567
568 /* try forwarding to the display driver first */
569 if (cds->dwData == NIM_ADD || !(icon = get_icon( nid.hWnd, nid.uID )))
570 {
571 if (wine_notify_icon && ((ret = wine_notify_icon( cds->dwData, &nid )) != -1))
572 {
573 if (nid.hIcon) DestroyIcon( nid.hIcon );
574 return ret;
575 }
576 ret = FALSE;
577 }
578
579 switch (cds->dwData)
580 {
581 case NIM_ADD:
582 ret = add_icon(&nid);
583 break;
584 case NIM_DELETE:
585 if (icon) ret = delete_icon( icon );
586 break;
587 case NIM_MODIFY:
588 if (icon) ret = modify_icon( icon, &nid );
589 break;
590 case NIM_SETVERSION:
591 if (icon)
592 {
593 icon->version = nid.u.uVersion;
594 ret = TRUE;
595 }
596 break;
597 default:
598 WINE_FIXME("unhandled tray message: %ld\n", cds->dwData);
599 break;
600 }
601
602 if (nid.hIcon) DestroyIcon( nid.hIcon );
603 sync_taskbar_buttons();
604 return ret;
605 }
606
607 static void add_taskbar_button( HWND hwnd )
608 {
609 struct taskbar_button *win;
610
611 if (hide_systray) return;
612
613 /* ignore our own windows */
614 if (hwnd)
615 {
616 DWORD process;
617 if (!GetWindowThreadProcessId( hwnd, &process ) || process == GetCurrentProcessId()) return;
618 }
619
620 if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(*win) ))) return;
621 win->hwnd = hwnd;
622 win->button = CreateWindowW( WC_BUTTONW, NULL, WS_CHILD | BS_OWNERDRAW,
623 0, 0, 0, 0, tray_window, (HMENU)hwnd, 0, 0 );
624 list_add_tail( &taskbar_buttons, &win->entry );
625 }
626
627 static struct taskbar_button *find_taskbar_button( HWND hwnd )
628 {
629 struct taskbar_button *win;
630
631 LIST_FOR_EACH_ENTRY( win, &taskbar_buttons, struct taskbar_button, entry )
632 if (win->hwnd == hwnd) return win;
633
634 return NULL;
635 }
636
637 static void remove_taskbar_button( HWND hwnd )
638 {
639 struct taskbar_button *win = find_taskbar_button( hwnd );
640
641 if (!win) return;
642 list_remove( &win->entry );
643 DestroyWindow( win->button );
644 HeapFree( GetProcessHeap(), 0, win );
645 }
646
647 static void paint_taskbar_button( const DRAWITEMSTRUCT *dis )
648 {
649 RECT rect;
650 UINT flags = DC_TEXT;
651 struct taskbar_button *win = find_taskbar_button( LongToHandle( dis->CtlID ));
652
653 if (!win) return;
654 GetClientRect( dis->hwndItem, &rect );
655 DrawFrameControl( dis->hDC, &rect, DFC_BUTTON, DFCS_BUTTONPUSH | DFCS_ADJUSTRECT |
656 ((dis->itemState & ODS_SELECTED) ? DFCS_PUSHED : 0 ));
657 if (win->hwnd)
658 {
659 flags |= win->active ? DC_ACTIVE : DC_INBUTTON;
660 DrawCaptionTempW( win->hwnd, dis->hDC, &rect, 0, 0, NULL, flags );
661 }
662 else /* start button */
663 DrawCaptionTempW( 0, dis->hDC, &rect, 0, 0, start_label, flags | DC_INBUTTON | DC_ICON );
664 }
665
666 static void click_taskbar_button( HWND button )
667 {
668 LONG_PTR id = GetWindowLongPtrW( button, GWLP_ID );
669 HWND hwnd = (HWND)id;
670
671 if (!hwnd) /* start button */
672 {
673 do_startmenu( tray_window );
674 return;
675 }
676
677 if (IsIconic( hwnd ))
678 {
679 SendMessageW( hwnd, WM_SYSCOMMAND, SC_RESTORE, 0 );
680 return;
681 }
682
683 if (IsWindowEnabled( hwnd ))
684 {
685 if (hwnd == GetForegroundWindow())
686 {
687 SendMessageW( hwnd, WM_SYSCOMMAND, SC_MINIMIZE, 0 );
688 return;
689 }
690 }
691 else /* look for an enabled window owned by this one */
692 {
693 HWND owned = GetWindow( GetDesktopWindow(), GW_CHILD );
694 while (owned && owned != hwnd)
695 {
696 if (IsWindowVisible( owned ) &&
697 IsWindowEnabled( owned ) &&
698 (GetWindow( owned, GW_OWNER ) == hwnd))
699 break;
700 owned = GetWindow( owned, GW_HWNDNEXT );
701 }
702 hwnd = owned;
703 }
704 SetForegroundWindow( hwnd );
705 }
706
707 static void show_taskbar_contextmenu( HWND button, LPARAM lparam )
708 {
709 ULONG_PTR id = GetWindowLongPtrW( button, GWLP_ID );
710
711 if (id) SendNotifyMessageW( (HWND)id, WM_POPUPSYSTEMMENU, 0, lparam );
712 }
713
714 static void do_hide_systray(void)
715 {
716 SetWindowPos( tray_window, 0,
717 GetSystemMetrics(SM_XVIRTUALSCREEN) + GetSystemMetrics(SM_CXVIRTUALSCREEN),
718 GetSystemMetrics(SM_YVIRTUALSCREEN) + GetSystemMetrics(SM_CYVIRTUALSCREEN),
719 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
720 }
721
722 static BOOL notify_owner( struct icon *icon, UINT msg, POINT pt )
723 {
724 WPARAM wp = icon->id;
725 LPARAM lp = msg;
726
727 if (icon->version >= NOTIFY_VERSION_4)
728 {
729 ClientToScreen( tray_window, &pt );
730 wp = MAKEWPARAM( pt.x, pt.y );
731 lp = MAKELPARAM( msg, icon->id );
732 }
733
734 TRACE( "relaying 0x%x\n", msg );
735 if (!PostMessageW( icon->owner, icon->callback_message, wp, lp ) &&
736 (GetLastError() == ERROR_INVALID_WINDOW_HANDLE))
737 {
738 WARN( "application window was destroyed, removing icon %u\n", icon->id );
739 delete_icon( icon );
740 return FALSE;
741 }
742 return TRUE;
743 }
744
745 static void do_show_systray(void)
746 {
747 SIZE size;
748 NONCLIENTMETRICSW ncm;
749 HFONT font;
750 HDC hdc = GetDC( 0 );
751
752 ncm.cbSize = sizeof(NONCLIENTMETRICSW);
753 SystemParametersInfoW( SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICSW), &ncm, 0 );
754 font = CreateFontIndirectW( &ncm.lfCaptionFont );
755 /* FIXME: Implement BCM_GETIDEALSIZE and use that instead. */
756 SelectObject( hdc, font );
757 GetTextExtentPointA( hdc, "abcdefghijklmnopqrstuvwxyz", 26, &size );
758 taskbar_button_width = size.cx;
759 GetTextExtentPointW( hdc, start_label, lstrlenW(start_label), &size );
760 /* add some margins (FIXME) */
761 size.cx += 12 + GetSystemMetrics( SM_CXSMICON );
762 size.cy += 4;
763 ReleaseDC( 0, hdc );
764 DeleteObject( font );
765
766 tray_width = GetSystemMetrics( SM_CXSCREEN );
767 tray_height = max( icon_cy, size.cy );
768 start_button_width = size.cx;
769 SetWindowPos( tray_window, 0, 0, GetSystemMetrics( SM_CYSCREEN ) - tray_height,
770 tray_width, tray_height, SWP_NOZORDER | SWP_NOACTIVATE | SWP_SHOWWINDOW );
771 sync_taskbar_buttons();
772 }
773
774 static LRESULT WINAPI tray_wndproc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
775 {
776 switch (msg)
777 {
778 case WM_COPYDATA:
779 return handle_incoming((HWND)wparam, (COPYDATASTRUCT *)lparam);
780
781 case WM_DISPLAYCHANGE:
782 if (hide_systray || (!nb_displayed && !enable_shell)) do_hide_systray();
783 else do_show_systray();
784 break;
785
786 case WM_TIMER:
787 switch (wparam)
788 {
789 case BALLOON_CREATE_TIMER: balloon_create_timer(); break;
790 case BALLOON_SHOW_TIMER: balloon_timer(); break;
791 }
792 break;
793
794 case WM_PAINT:
795 {
796 unsigned int i;
797 PAINTSTRUCT ps;
798 HDC hdc;
799
800 hdc = BeginPaint( hwnd, &ps );
801 for (i = 0; i < nb_displayed; i++)
802 {
803 RECT dummy, rect = get_icon_rect( displayed[i] );
804 if (IntersectRect( &dummy, &rect, &ps.rcPaint ))
805 DrawIconEx( hdc, rect.left + ICON_BORDER, rect.top + ICON_BORDER, displayed[i]->image,
806 icon_cx - 2*ICON_BORDER, icon_cy - 2*ICON_BORDER,
807 0, 0, DI_DEFAULTSIZE|DI_NORMAL);
808 }
809 EndPaint( hwnd, &ps );
810 break;
811 }
812
813 case WM_MOUSEMOVE:
814 case WM_LBUTTONDOWN:
815 case WM_LBUTTONUP:
816 case WM_RBUTTONDOWN:
817 case WM_RBUTTONUP:
818 case WM_MBUTTONDOWN:
819 case WM_MBUTTONUP:
820 case WM_LBUTTONDBLCLK:
821 case WM_RBUTTONDBLCLK:
822 case WM_MBUTTONDBLCLK:
823 {
824 MSG message;
825 POINT pt = { (short)LOWORD(lparam), (short)HIWORD(lparam) };
826 struct icon *icon = icon_from_point( pt.x, pt.y );
827 if (!icon) break;
828
829 message.hwnd = hwnd;
830 message.message = msg;
831 message.wParam = wparam;
832 message.lParam = lparam;
833 SendMessageW( icon->tooltip, TTM_RELAYEVENT, 0, (LPARAM)&message );
834
835 if (!notify_owner( icon, msg, pt )) break;
836
837 if (icon->version > 0)
838 {
839 switch (msg)
840 {
841 case WM_RBUTTONUP:
842 notify_owner( icon, WM_CONTEXTMENU, pt );
843 break;
844 case WM_LBUTTONUP:
845 notify_owner( icon, NIN_SELECT, pt );
846 break;
847 }
848 }
849 break;
850 }
851
852 case WM_CLOSE:
853 /* don't destroy the tray window, just hide it */
854 ShowWindow( hwnd, SW_HIDE );
855 return 0;
856
857 case WM_DRAWITEM:
858 paint_taskbar_button( (const DRAWITEMSTRUCT *)lparam );
859 break;
860
861 case WM_COMMAND:
862 if (HIWORD(wparam) == BN_CLICKED) click_taskbar_button( (HWND)lparam );
863 break;
864
865 case WM_CONTEXTMENU:
866 show_taskbar_contextmenu( (HWND)wparam, lparam );
867 break;
868
869 case WM_MOUSEACTIVATE:
870 return MA_NOACTIVATE;
871
872 case WM_INITMENUPOPUP:
873 case WM_MENUCOMMAND:
874 return menu_wndproc(hwnd, msg, wparam, lparam);
875
876 default:
877 return DefWindowProcW( hwnd, msg, wparam, lparam );
878 }
879 return 0;
880 }
881
882 /* notification posted to the desktop window */
883 void handle_parent_notify( HWND hwnd, WPARAM wp )
884 {
885 switch (LOWORD(wp))
886 {
887 case WM_CREATE:
888 add_taskbar_button( hwnd );
889 break;
890 case WM_DESTROY:
891 remove_taskbar_button( hwnd );
892 cleanup_systray_window( hwnd );
893 break;
894 }
895 sync_taskbar_buttons();
896 }
897
898 /* this function creates the listener window */
899 void initialize_systray( HMODULE graphics_driver, BOOL using_root, BOOL arg_enable_shell )
900 {
901 WNDCLASSEXW class;
902 static const WCHAR classname[] = {'S','h','e','l','l','_','T','r','a','y','W','n','d',0};
903
904 if (using_root) wine_notify_icon = (void *)GetProcAddress( graphics_driver, "wine_notify_icon" );
905
906 icon_cx = GetSystemMetrics( SM_CXSMICON ) + 2*ICON_BORDER;
907 icon_cy = GetSystemMetrics( SM_CYSMICON ) + 2*ICON_BORDER;
908 hide_systray = using_root;
909 enable_shell = arg_enable_shell;
910
911 /* register the systray listener window class */
912 ZeroMemory(&class, sizeof(class));
913 class.cbSize = sizeof(class);
914 class.style = CS_DBLCLKS | CS_HREDRAW;
915 class.lpfnWndProc = tray_wndproc;
916 class.hInstance = NULL;
917 class.hIcon = LoadIconW(0, (LPCWSTR)IDI_WINLOGO);
918 class.hCursor = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
919 class.hbrBackground = (HBRUSH) COLOR_WINDOW;
920 class.lpszClassName = classname;
921
922 if (!RegisterClassExW(&class))
923 {
924 WINE_ERR("Could not register SysTray window class\n");
925 return;
926 }
927
928 tray_window = CreateWindowExW( WS_EX_NOACTIVATE, classname, NULL, WS_POPUP,
929 0, GetSystemMetrics( SM_CYSCREEN ), 0, 0, 0, 0, 0, 0 );
930 if (!tray_window)
931 {
932 WINE_ERR("Could not create tray window\n");
933 return;
934 }
935
936 LoadStringW( NULL, IDS_START_LABEL, start_label, ARRAY_SIZE( start_label ));
937
938 add_taskbar_button( 0 );
939
940 if (hide_systray) do_hide_systray();
941 else if (enable_shell) do_show_systray();
942 }
Windows API implementation