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mshtml: Add IHTMLStyle::pixelHeight property implementation.
[wine/multimedia.git] / programs / explorer / systray.c
blob2a6ff147b1626d2dd4d2fa778812f54c9d730fb2
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 };
81
82 static struct list icon_list = LIST_INIT( icon_list );
83 static HWND tray_window;
84
85 static unsigned int alloc_displayed;
86 static unsigned int nb_displayed;
87 static struct icon **displayed; /* array of currently displayed icons */
88
89 static BOOL hide_systray, enable_shell;
90 static int icon_cx, icon_cy, tray_width;
91
92 static struct icon *balloon_icon;
93 static HWND balloon_window;
94
95 static HWND start_button;
96
97 #define MIN_DISPLAYED 8
98 #define ICON_BORDER 2
99
100 #define VALID_WIN_TIMER 1
101 #define BALLOON_CREATE_TIMER 2
102 #define BALLOON_SHOW_TIMER 3
103
104 #define VALID_WIN_TIMEOUT 2000
105 #define BALLOON_CREATE_TIMEOUT 2000
106 #define BALLOON_SHOW_MIN_TIMEOUT 10000
107 #define BALLOON_SHOW_MAX_TIMEOUT 30000
108
109 /* Retrieves icon record by owner window and ID */
110 static struct icon *get_icon(HWND owner, UINT id)
111 {
112 struct icon *this;
113
114 /* search for the icon */
115 LIST_FOR_EACH_ENTRY( this, &icon_list, struct icon, entry )
116 if ((this->id == id) && (this->owner == owner)) return this;
117
118 return NULL;
119 }
120
121 static RECT get_icon_rect( struct icon *icon )
122 {
123 RECT rect;
124
125 rect.right = tray_width - icon_cx * icon->display;
126 rect.left = rect.right - icon_cx;
127 rect.top = 0;
128 rect.bottom = icon_cy;
129 return rect;
130 }
131
132 static void init_common_controls(void)
133 {
134 static BOOL initialized = FALSE;
135
136 if (!initialized)
137 {
138 INITCOMMONCONTROLSEX init_tooltip;
139
140 init_tooltip.dwSize = sizeof(INITCOMMONCONTROLSEX);
141 init_tooltip.dwICC = ICC_TAB_CLASSES|ICC_STANDARD_CLASSES;
142
143 InitCommonControlsEx(&init_tooltip);
144 initialized = TRUE;
145 }
146 }
147
148 /* Creates tooltip window for icon. */
149 static void create_tooltip(struct icon *icon)
150 {
151 TTTOOLINFOW ti;
152
153 init_common_controls();
154 icon->tooltip = CreateWindowExW(WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL,
155 WS_POPUP | TTS_ALWAYSTIP,
156 CW_USEDEFAULT, CW_USEDEFAULT,
157 CW_USEDEFAULT, CW_USEDEFAULT,
158 tray_window, NULL, NULL, NULL);
159
160 ZeroMemory(&ti, sizeof(ti));
161 ti.cbSize = sizeof(TTTOOLINFOW);
162 ti.hwnd = tray_window;
163 ti.lpszText = icon->tiptext;
164 if (icon->display != -1) ti.rect = get_icon_rect( icon );
165 SendMessageW(icon->tooltip, TTM_ADDTOOLW, 0, (LPARAM)&ti);
166 }
167
168 static void set_balloon_position( struct icon *icon )
169 {
170 RECT rect = get_icon_rect( icon );
171 POINT pos;
172
173 MapWindowPoints( tray_window, 0, (POINT *)&rect, 2 );
174 pos.x = (rect.left + rect.right) / 2;
175 pos.y = (rect.top + rect.bottom) / 2;
176 SendMessageW( balloon_window, TTM_TRACKPOSITION, 0, MAKELONG( pos.x, pos.y ));
177 }
178
179 static void balloon_create_timer(void)
180 {
181 TTTOOLINFOW ti;
182
183 init_common_controls();
184 balloon_window = CreateWindowExW( WS_EX_TOPMOST, TOOLTIPS_CLASSW, NULL,
185 WS_POPUP | TTS_ALWAYSTIP | TTS_NOPREFIX | TTS_BALLOON | TTS_CLOSE,
186 CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
187 tray_window, NULL, NULL, NULL);
188
189 memset( &ti, 0, sizeof(ti) );
190 ti.cbSize = sizeof(TTTOOLINFOW);
191 ti.hwnd = tray_window;
192 ti.uFlags = TTF_TRACK;
193 ti.lpszText = balloon_icon->info_text;
194 SendMessageW( balloon_window, TTM_ADDTOOLW, 0, (LPARAM)&ti );
195 if ((balloon_icon->info_flags & NIIF_ICONMASK) == NIIF_USER)
196 SendMessageW( balloon_window, TTM_SETTITLEW, (WPARAM)balloon_icon->info_icon,
197 (LPARAM)balloon_icon->info_title );
198 else
199 SendMessageW( balloon_window, TTM_SETTITLEW, balloon_icon->info_flags,
200 (LPARAM)balloon_icon->info_title );
201 set_balloon_position( balloon_icon );
202 SendMessageW( balloon_window, TTM_TRACKACTIVATE, TRUE, (LPARAM)&ti );
203 KillTimer( tray_window, BALLOON_CREATE_TIMER );
204 SetTimer( tray_window, BALLOON_SHOW_TIMER, balloon_icon->info_timeout, NULL );
205 }
206
207 static BOOL show_balloon( struct icon *icon )
208 {
209 if (icon->display == -1) return FALSE; /* not displayed */
210 if (!icon->info_text[0]) return FALSE; /* no balloon */
211 balloon_icon = icon;
212 SetTimer( tray_window, BALLOON_CREATE_TIMER, BALLOON_CREATE_TIMEOUT, NULL );
213 return TRUE;
214 }
215
216 static void hide_balloon(void)
217 {
218 if (!balloon_icon) return;
219 if (balloon_window)
220 {
221 KillTimer( tray_window, BALLOON_SHOW_TIMER );
222 DestroyWindow( balloon_window );
223 balloon_window = 0;
224 }
225 else KillTimer( tray_window, BALLOON_CREATE_TIMER );
226 balloon_icon = NULL;
227 }
228
229 static void show_next_balloon(void)
230 {
231 struct icon *icon;
232
233 LIST_FOR_EACH_ENTRY( icon, &icon_list, struct icon, entry )
234 if (show_balloon( icon )) break;
235 }
236
237 static void update_balloon( struct icon *icon )
238 {
239 if (balloon_icon == icon)
240 {
241 hide_balloon();
242 show_balloon( icon );
243 }
244 else if (!balloon_icon)
245 {
246 if (!show_balloon( icon )) return;
247 }
248 if (!balloon_icon) show_next_balloon();
249 }
250
251 static void balloon_timer(void)
252 {
253 if (balloon_icon) balloon_icon->info_text[0] = 0; /* clear text now that balloon has been shown */
254 hide_balloon();
255 show_next_balloon();
256 }
257
258 /* Synchronize tooltip text with tooltip window */
259 static void update_tooltip_text(struct icon *icon)
260 {
261 TTTOOLINFOW ti;
262
263 ZeroMemory(&ti, sizeof(ti));
264 ti.cbSize = sizeof(TTTOOLINFOW);
265 ti.hwnd = tray_window;
266 ti.lpszText = icon->tiptext;
267
268 SendMessageW(icon->tooltip, TTM_UPDATETIPTEXTW, 0, (LPARAM)&ti);
269 }
270
271 /* synchronize tooltip position with tooltip window */
272 static void update_tooltip_position( struct icon *icon )
273 {
274 TTTOOLINFOW ti;
275
276 ZeroMemory(&ti, sizeof(ti));
277 ti.cbSize = sizeof(TTTOOLINFOW);
278 ti.hwnd = tray_window;
279 if (icon->display != -1) ti.rect = get_icon_rect( icon );
280 SendMessageW( icon->tooltip, TTM_NEWTOOLRECTW, 0, (LPARAM)&ti );
281 if (balloon_icon == icon) set_balloon_position( icon );
282 }
283
284 /* find the icon located at a certain point in the tray window */
285 static struct icon *icon_from_point( int x, int y )
286 {
287 if (y < 0 || y >= icon_cy) return NULL;
288 x = tray_width - x;
289 if (x < 0 || x >= icon_cx * nb_displayed) return NULL;
290 return displayed[x / icon_cx];
291 }
292
293 /* invalidate the portion of the tray window that contains the specified icons */
294 static void invalidate_icons( unsigned int start, unsigned int end )
295 {
296 RECT rect;
297
298 rect.left = tray_width - (end + 1) * icon_cx;
299 rect.top = 0;
300 rect.right = tray_width - start * icon_cx;
301 rect.bottom = icon_cy;
302 InvalidateRect( tray_window, &rect, TRUE );
303 }
304
305 /* make an icon visible */
306 static BOOL show_icon(struct icon *icon)
307 {
308 WINE_TRACE("id=0x%x, hwnd=%p\n", icon->id, icon->owner);
309
310 if (icon->display != -1) return TRUE; /* already displayed */
311
312 if (nb_displayed >= alloc_displayed)
313 {
314 unsigned int new_count = max( alloc_displayed * 2, 32 );
315 struct icon **ptr;
316 if (displayed) ptr = HeapReAlloc( GetProcessHeap(), 0, displayed, new_count * sizeof(*ptr) );
317 else ptr = HeapAlloc( GetProcessHeap(), 0, new_count * sizeof(*ptr) );
318 if (!ptr) return FALSE;
319 displayed = ptr;
320 alloc_displayed = new_count;
321 }
322
323 icon->display = nb_displayed;
324 displayed[nb_displayed++] = icon;
325 update_tooltip_position( icon );
326 invalidate_icons( nb_displayed-1, nb_displayed-1 );
327
328 if (nb_displayed == 1 && !hide_systray) ShowWindow( tray_window, SW_SHOWNA );
329
330 create_tooltip(icon);
331 update_balloon( icon );
332 return TRUE;
333 }
334
335 /* make an icon invisible */
336 static BOOL hide_icon(struct icon *icon)
337 {
338 unsigned int i;
339
340 WINE_TRACE("id=0x%x, hwnd=%p\n", icon->id, icon->owner);
341
342 if (icon->display == -1) return TRUE; /* already hidden */
343
344 assert( nb_displayed );
345 for (i = icon->display; i < nb_displayed - 1; i++)
346 {
347 displayed[i] = displayed[i + 1];
348 displayed[i]->display = i;
349 update_tooltip_position( displayed[i] );
350 }
351 nb_displayed--;
352 invalidate_icons( icon->display, nb_displayed );
353 icon->display = -1;
354
355 if (!nb_displayed && !enable_shell) ShowWindow( tray_window, SW_HIDE );
356
357 update_balloon( icon );
358 update_tooltip_position( icon );
359 return TRUE;
360 }
361
362 /* Modifies an existing icon record */
363 static BOOL modify_icon( struct icon *icon, NOTIFYICONDATAW *nid )
364 {
365 WINE_TRACE("id=0x%x, hwnd=%p\n", nid->uID, nid->hWnd);
366
367 /* demarshal the request from the NID */
368 if (!icon)
369 {
370 WINE_WARN("Invalid icon ID (0x%x) for HWND %p\n", nid->uID, nid->hWnd);
371 return FALSE;
372 }
373
374 if (nid->uFlags & NIF_STATE)
375 {
376 icon->state = (icon->state & ~nid->dwStateMask) | (nid->dwState & nid->dwStateMask);
377 }
378
379 if (nid->uFlags & NIF_ICON)
380 {
381 if (icon->image) DestroyIcon(icon->image);
382 icon->image = CopyIcon(nid->hIcon);
383 if (icon->display != -1) invalidate_icons( icon->display, icon->display );
384 }
385
386 if (nid->uFlags & NIF_MESSAGE)
387 {
388 icon->callback_message = nid->uCallbackMessage;
389 }
390 if (nid->uFlags & NIF_TIP)
391 {
392 lstrcpynW(icon->tiptext, nid->szTip, sizeof(icon->tiptext)/sizeof(WCHAR));
393 if (icon->display != -1) update_tooltip_text(icon);
394 }
395 if (nid->uFlags & NIF_INFO && nid->cbSize >= NOTIFYICONDATAA_V2_SIZE)
396 {
397 lstrcpynW( icon->info_text, nid->szInfo, sizeof(icon->info_text)/sizeof(WCHAR) );
398 lstrcpynW( icon->info_title, nid->szInfoTitle, sizeof(icon->info_title)/sizeof(WCHAR) );
399 icon->info_flags = nid->dwInfoFlags;
400 icon->info_timeout = max(min(nid->u.uTimeout, BALLOON_SHOW_MAX_TIMEOUT), BALLOON_SHOW_MIN_TIMEOUT);
401 icon->info_icon = nid->hBalloonIcon;
402 update_balloon( icon );
403 }
404 if (icon->state & NIS_HIDDEN) hide_icon( icon );
405 else show_icon( icon );
406 return TRUE;
407 }
408
409 /* Adds a new icon record to the list */
410 static BOOL add_icon(NOTIFYICONDATAW *nid)
411 {
412 struct icon *icon;
413
414 WINE_TRACE("id=0x%x, hwnd=%p\n", nid->uID, nid->hWnd);
415
416 if ((icon = get_icon(nid->hWnd, nid->uID)))
417 {
418 WINE_WARN("duplicate tray icon add, buggy app?\n");
419 return FALSE;
420 }
421
422 if (!(icon = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*icon))))
423 {
424 WINE_ERR("out of memory\n");
425 return FALSE;
426 }
427
428 ZeroMemory(icon, sizeof(struct icon));
429 icon->id = nid->uID;
430 icon->owner = nid->hWnd;
431 icon->display = -1;
432
433 if (list_empty( &icon_list )) SetTimer( tray_window, VALID_WIN_TIMER, VALID_WIN_TIMEOUT, NULL );
434 list_add_tail(&icon_list, &icon->entry);
435
436 return modify_icon( icon, nid );
437 }
438
439 /* Deletes tray icon window and icon record */
440 static BOOL delete_icon(struct icon *icon)
441 {
442 hide_icon(icon);
443 list_remove(&icon->entry);
444 DestroyIcon(icon->image);
445 HeapFree(GetProcessHeap(), 0, icon);
446 if (list_empty( &icon_list )) KillTimer( tray_window, VALID_WIN_TIMER );
447 return TRUE;
448 }
449
450 /* cleanup icons belonging to windows that have been destroyed */
451 static void cleanup_destroyed_windows(void)
452 {
453 struct icon *icon, *next;
454
455 LIST_FOR_EACH_ENTRY_SAFE( icon, next, &icon_list, struct icon, entry )
456 if (!IsWindow( icon->owner )) delete_icon( icon );
457 }
458
459 static BOOL handle_incoming(HWND hwndSource, COPYDATASTRUCT *cds)
460 {
461 struct icon *icon = NULL;
462 const struct notify_data *data;
463 NOTIFYICONDATAW nid;
464 int ret = FALSE;
465
466 if (cds->cbData < sizeof(*data)) return FALSE;
467 data = cds->lpData;
468
469 nid.cbSize = sizeof(nid);
470 nid.hWnd = LongToHandle( data->hWnd );
471 nid.uID = data->uID;
472 nid.uFlags = data->uFlags;
473 nid.uCallbackMessage = data->uCallbackMessage;
474 nid.hIcon = 0;
475 nid.dwState = data->dwState;
476 nid.dwStateMask = data->dwStateMask;
477 nid.u.uTimeout = data->u.uTimeout;
478 nid.dwInfoFlags = data->dwInfoFlags;
479 nid.guidItem = data->guidItem;
480 lstrcpyW( nid.szTip, data->szTip );
481 lstrcpyW( nid.szInfo, data->szInfo );
482 lstrcpyW( nid.szInfoTitle, data->szInfoTitle );
483 nid.hBalloonIcon = 0;
484
485 /* FIXME: if statement only needed because we don't support interprocess
486 * icon handles */
487 if ((nid.uFlags & NIF_ICON) && cds->cbData > sizeof(*data))
488 {
489 LONG cbMaskBits;
490 LONG cbColourBits;
491 const char *buffer = (const char *)(data + 1);
492
493 cbMaskBits = (data->width * data->height + 15) / 16 * 2;
494 cbColourBits = (data->planes * data->width * data->height * data->bpp + 15) / 16 * 2;
495
496 if (cds->cbData < sizeof(*data) + cbMaskBits + cbColourBits)
497 {
498 WINE_ERR("buffer underflow\n");
499 return FALSE;
500 }
501 nid.hIcon = CreateIcon(NULL, data->width, data->height, data->planes, data->bpp,
502 buffer, buffer + cbMaskBits);
503 }
504
505 /* try forward to x11drv first */
506 if (cds->dwData == NIM_ADD || !(icon = get_icon( nid.hWnd, nid.uID )))
507 {
508 if (wine_notify_icon && ((ret = wine_notify_icon( cds->dwData, &nid )) != -1))
509 {
510 if (nid.hIcon) DestroyIcon( nid.hIcon );
511 return ret;
512 }
513 ret = FALSE;
514 }
515
516 switch (cds->dwData)
517 {
518 case NIM_ADD:
519 ret = add_icon(&nid);
520 break;
521 case NIM_DELETE:
522 if (icon) ret = delete_icon( icon );
523 break;
524 case NIM_MODIFY:
525 if (icon) ret = modify_icon( icon, &nid );
526 break;
527 default:
528 WINE_FIXME("unhandled tray message: %ld\n", cds->dwData);
529 break;
530 }
531
532 if (nid.hIcon) DestroyIcon( nid.hIcon );
533 return ret;
534 }
535
536 static void do_hide_systray(void)
537 {
538 SetWindowPos( tray_window, 0,
539 GetSystemMetrics(SM_XVIRTUALSCREEN) + GetSystemMetrics(SM_CXVIRTUALSCREEN),
540 GetSystemMetrics(SM_YVIRTUALSCREEN) + GetSystemMetrics(SM_CYVIRTUALSCREEN),
541 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
542 }
543
544 static LRESULT WINAPI tray_wndproc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
545 {
546 switch (msg)
547 {
548 case WM_COPYDATA:
549 return handle_incoming((HWND)wparam, (COPYDATASTRUCT *)lparam);
550
551 case WM_DISPLAYCHANGE:
552 if (hide_systray) do_hide_systray();
553 else
554 {
555 tray_width = GetSystemMetrics( SM_CXSCREEN );
556 SetWindowPos( tray_window, 0, 0, GetSystemMetrics( SM_CYSCREEN ) - icon_cy,
557 tray_width, icon_cy, SWP_NOZORDER | SWP_NOACTIVATE );
558 }
559 break;
560
561 case WM_TIMER:
562 switch (wparam)
563 {
564 case VALID_WIN_TIMER: cleanup_destroyed_windows(); break;
565 case BALLOON_CREATE_TIMER: balloon_create_timer(); break;
566 case BALLOON_SHOW_TIMER: balloon_timer(); break;
567 }
568 break;
569
570 case WM_PAINT:
571 {
572 unsigned int i;
573 PAINTSTRUCT ps;
574 HDC hdc;
575
576 hdc = BeginPaint( hwnd, &ps );
577 for (i = 0; i < nb_displayed; i++)
578 {
579 RECT dummy, rect = get_icon_rect( displayed[i] );
580 if (IntersectRect( &dummy, &rect, &ps.rcPaint ))
581 DrawIconEx( hdc, rect.left + ICON_BORDER, rect.top + ICON_BORDER, displayed[i]->image,
582 icon_cx - 2*ICON_BORDER, icon_cy - 2*ICON_BORDER,
583 0, 0, DI_DEFAULTSIZE|DI_NORMAL);
584 }
585 EndPaint( hwnd, &ps );
586 break;
587 }
588
589 case WM_MOUSEMOVE:
590 case WM_LBUTTONDOWN:
591 case WM_LBUTTONUP:
592 case WM_RBUTTONDOWN:
593 case WM_RBUTTONUP:
594 case WM_MBUTTONDOWN:
595 case WM_MBUTTONUP:
596 case WM_LBUTTONDBLCLK:
597 case WM_RBUTTONDBLCLK:
598 case WM_MBUTTONDBLCLK:
599 {
600 MSG message;
601 struct icon *icon = icon_from_point( (short)LOWORD(lparam), (short)HIWORD(lparam) );
602 if (!icon) break;
603
604 /* notify the owner hwnd of the message */
605 WINE_TRACE("relaying 0x%x\n", msg);
606
607 message.hwnd = hwnd;
608 message.message = msg;
609 message.wParam = wparam;
610 message.lParam = lparam;
611 SendMessageW( icon->tooltip, TTM_RELAYEVENT, 0, (LPARAM)&message );
612
613 if (!PostMessageW( icon->owner, icon->callback_message, (WPARAM) icon->id, (LPARAM) msg ) &&
614 GetLastError() == ERROR_INVALID_WINDOW_HANDLE)
615 {
616 WINE_WARN("application window was destroyed without removing "
617 "notification icon, removing automatically\n");
618 delete_icon( icon );
619 }
620 break;
621 }
622
623 case WM_CLOSE:
624 /* don't destroy the tray window, just hide it */
625 ShowWindow( hwnd, SW_HIDE );
626 return 0;
627
628 case WM_COMMAND:
629 if ((HWND)lparam == start_button && HIWORD(wparam) == BN_CLICKED)
630 do_startmenu(hwnd);
631 break;
632
633 case WM_INITMENUPOPUP:
634 case WM_MENUCOMMAND:
635 return menu_wndproc(hwnd, msg, wparam, lparam);
636
637 default:
638 return DefWindowProcW( hwnd, msg, wparam, lparam );
639 }
640 return 0;
641 }
642
643 static void get_system_text_size( const WCHAR *text, SIZE *size )
644 {
645 /* FIXME: Implement BCM_GETIDEALSIZE and use that instead. */
646 HDC hdc = GetDC( 0 );
647
648 GetTextExtentPointW(hdc, text, lstrlenW(text), size);
649
650 ReleaseDC( 0, hdc );
651 }
652
653 /* this function creates the listener window */
654 void initialize_systray( HMODULE graphics_driver, BOOL using_root, BOOL arg_enable_shell )
655 {
656 WNDCLASSEXW class;
657 static const WCHAR classname[] = {'S','h','e','l','l','_','T','r','a','y','W','n','d',0};
658 static const WCHAR button_class[] = {'B','u','t','t','o','n',0};
659 WCHAR start_label[50];
660 SIZE start_text_size;
661
662 wine_notify_icon = (void *)GetProcAddress( graphics_driver, "wine_notify_icon" );
663
664 icon_cx = GetSystemMetrics( SM_CXSMICON ) + 2*ICON_BORDER;
665 icon_cy = GetSystemMetrics( SM_CYSMICON ) + 2*ICON_BORDER;
666 hide_systray = using_root;
667 enable_shell = arg_enable_shell;
668
669 /* register the systray listener window class */
670 ZeroMemory(&class, sizeof(class));
671 class.cbSize = sizeof(class);
672 class.style = CS_DBLCLKS | CS_HREDRAW;
673 class.lpfnWndProc = tray_wndproc;
674 class.hInstance = NULL;
675 class.hIcon = LoadIconW(0, (LPCWSTR)IDI_WINLOGO);
676 class.hCursor = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
677 class.hbrBackground = (HBRUSH) COLOR_WINDOW;
678 class.lpszClassName = classname;
679
680 if (!RegisterClassExW(&class))
681 {
682 WINE_ERR("Could not register SysTray window class\n");
683 return;
684 }
685
686 tray_width = GetSystemMetrics( SM_CXSCREEN );
687 tray_window = CreateWindowExW( WS_EX_NOACTIVATE, classname, NULL, WS_POPUP,
688 0, GetSystemMetrics( SM_CYSCREEN ) - icon_cy,
689 tray_width, icon_cy, 0, 0, 0, 0 );
690 if (!tray_window)
691 {
692 WINE_ERR("Could not create tray window\n");
693 return;
694 }
695
696 LoadStringW( NULL, IDS_START_LABEL, start_label, sizeof(start_label)/sizeof(WCHAR) );
697
698 get_system_text_size( start_label, &start_text_size );
699
700 start_button = CreateWindowW( button_class, start_label, WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON,
701 0, 0, start_text_size.cx + 8, icon_cy, tray_window, 0, 0, 0 );
702
703 if (enable_shell && !hide_systray) ShowWindow( tray_window, SW_SHOWNA );
704
705 if (hide_systray) do_hide_systray();
706 }
Maarten's multimedia branch