Commit | Line | Data |
---|---|---|
a09e091a JB |
1 | /* |
2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. | |
3 | * | |
4 | *Permission is hereby granted, free of charge, to any person obtaining | |
5 | * a copy of this software and associated documentation files (the | |
6 | *"Software"), to deal in the Software without restriction, including | |
7 | *without limitation the rights to use, copy, modify, merge, publish, | |
8 | *distribute, sublicense, and/or sell copies of the Software, and to | |
9 | *permit persons to whom the Software is furnished to do so, subject to | |
10 | *the following conditions: | |
11 | * | |
12 | *The above copyright notice and this permission notice shall be | |
13 | *included in all copies or substantial portions of the Software. | |
14 | * | |
15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
16 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
18 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR | |
19 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF | |
20 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
21 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | *Except as contained in this notice, the name of the XFree86 Project | |
24 | *shall not be used in advertising or otherwise to promote the sale, use | |
25 | *or other dealings in this Software without prior written authorization | |
26 | *from the XFree86 Project. | |
27 | * | |
28 | * Authors: Earle F. Philhower, III | |
29 | */ | |
30 | ||
31 | #ifdef HAVE_XWIN_CONFIG_H | |
32 | #include <xwin-config.h> | |
33 | #endif | |
34 | ||
35 | #ifndef WINVER | |
36 | #define WINVER 0x0500 | |
37 | #endif | |
38 | ||
39 | #include <X11/Xwindows.h> | |
40 | #include <X11/Xlib.h> | |
41 | #include <X11/Xutil.h> | |
42 | ||
43 | #include "winresource.h" | |
44 | #include "winprefs.h" | |
45 | #include "winmsg.h" | |
46 | #include "winmultiwindowicons.h" | |
47 | #include "winglobals.h" | |
48 | /* | |
49 | * global variables | |
50 | */ | |
51 | extern HINSTANCE g_hInstance; | |
52 | ||
53 | /* | |
54 | * Scale an X icon ZPixmap into a Windoze icon bitmap | |
55 | */ | |
56 | ||
57 | static void | |
58 | winScaleXImageToWindowsIcon(int iconSize, | |
59 | int effBPP, | |
60 | int stride, XImage * pixmap, unsigned char *image) | |
61 | { | |
62 | int row, column, effXBPP, effXDepth; | |
63 | unsigned char *outPtr; | |
64 | unsigned char *iconData = 0; | |
65 | int xStride; | |
66 | float factX, factY; | |
67 | int posX, posY; | |
68 | unsigned char *ptr; | |
69 | unsigned int zero; | |
70 | unsigned int color; | |
71 | ||
72 | effXBPP = pixmap->bits_per_pixel; | |
73 | if (pixmap->bits_per_pixel == 15) | |
74 | effXBPP = 16; | |
75 | ||
76 | effXDepth = pixmap->depth; | |
77 | if (pixmap->depth == 15) | |
78 | effXDepth = 16; | |
79 | ||
80 | xStride = pixmap->bytes_per_line; | |
81 | if (stride == 0 || xStride == 0) { | |
82 | ErrorF("winScaleXBitmapToWindows - stride or xStride is zero. " | |
83 | "Bailing.\n"); | |
84 | return; | |
85 | } | |
86 | ||
87 | /* Get icon data */ | |
88 | iconData = (unsigned char *) pixmap->data; | |
89 | ||
90 | /* Keep aspect ratio */ | |
91 | factX = ((float) pixmap->width) / ((float) iconSize); | |
92 | factY = ((float) pixmap->height) / ((float) iconSize); | |
93 | if (factX > factY) | |
94 | factY = factX; | |
95 | else | |
96 | factX = factY; | |
97 | ||
98 | /* Out-of-bounds, fill icon with zero */ | |
99 | zero = 0; | |
100 | ||
101 | for (row = 0; row < iconSize; row++) { | |
102 | outPtr = image + stride * row; | |
103 | for (column = 0; column < iconSize; column++) { | |
104 | posX = factX * column; | |
105 | posY = factY * row; | |
106 | ||
107 | ptr = (unsigned char *) iconData + posY * xStride; | |
108 | if (effXBPP == 1) { | |
109 | ptr += posX / 8; | |
110 | ||
111 | /* Out of X icon bounds, leave space blank */ | |
112 | if (posX >= pixmap->width || posY >= pixmap->height) | |
113 | ptr = (unsigned char *) &zero; | |
114 | ||
115 | if ((*ptr) & (1 << (posX & 7))) | |
116 | switch (effBPP) { | |
117 | case 32: | |
118 | *(outPtr++) = 0; | |
119 | case 24: | |
120 | *(outPtr++) = 0; | |
121 | case 16: | |
122 | *(outPtr++) = 0; | |
123 | case 8: | |
124 | *(outPtr++) = 0; | |
125 | break; | |
126 | case 1: | |
127 | outPtr[column / 8] &= ~(1 << (7 - (column & 7))); | |
128 | break; | |
129 | } | |
130 | else | |
131 | switch (effBPP) { | |
132 | case 32: | |
133 | *(outPtr++) = 255; | |
134 | *(outPtr++) = 255; | |
135 | *(outPtr++) = 255; | |
136 | *(outPtr++) = 0; | |
137 | break; | |
138 | case 24: | |
139 | *(outPtr++) = 255; | |
140 | case 16: | |
141 | *(outPtr++) = 255; | |
142 | case 8: | |
143 | *(outPtr++) = 255; | |
144 | break; | |
145 | case 1: | |
146 | outPtr[column / 8] |= (1 << (7 - (column & 7))); | |
147 | break; | |
148 | } | |
149 | } | |
150 | else if (effXDepth == 24 || effXDepth == 32) { | |
151 | ptr += posX * (effXBPP / 8); | |
152 | ||
153 | /* Out of X icon bounds, leave space blank */ | |
154 | if (posX >= pixmap->width || posY >= pixmap->height) | |
155 | ptr = (unsigned char *) &zero; | |
156 | color = (((*ptr) << 16) | |
157 | + ((*(ptr + 1)) << 8) | |
158 | + ((*(ptr + 2)) << 0)); | |
159 | switch (effBPP) { | |
160 | case 32: | |
161 | *(outPtr++) = *(ptr++); /* b */ | |
162 | *(outPtr++) = *(ptr++); /* g */ | |
163 | *(outPtr++) = *(ptr++); /* r */ | |
164 | *(outPtr++) = (effXDepth == 32) ? *(ptr++) : 0x0; /* alpha */ | |
165 | break; | |
166 | case 24: | |
167 | *(outPtr++) = *(ptr++); | |
168 | *(outPtr++) = *(ptr++); | |
169 | *(outPtr++) = *(ptr++); | |
170 | break; | |
171 | case 16: | |
172 | color = ((((*ptr) >> 2) << 10) | |
173 | + (((*(ptr + 1)) >> 2) << 5) | |
174 | + (((*(ptr + 2)) >> 2))); | |
175 | *(outPtr++) = (color >> 8); | |
176 | *(outPtr++) = (color & 255); | |
177 | break; | |
178 | case 8: | |
179 | color = (((*ptr))) + (((*(ptr + 1)))) + (((*(ptr + 2)))); | |
180 | color /= 3; | |
181 | *(outPtr++) = color; | |
182 | break; | |
183 | case 1: | |
184 | if (color) | |
185 | outPtr[column / 8] |= (1 << (7 - (column & 7))); | |
186 | else | |
187 | outPtr[column / 8] &= ~(1 << (7 - (column & 7))); | |
188 | } | |
189 | } | |
190 | else if (effXDepth == 16) { | |
191 | ptr += posX * (effXBPP / 8); | |
192 | ||
193 | /* Out of X icon bounds, leave space blank */ | |
194 | if (posX >= pixmap->width || posY >= pixmap->height) | |
195 | ptr = (unsigned char *) &zero; | |
196 | color = ((*ptr) << 8) + (*(ptr + 1)); | |
197 | switch (effBPP) { | |
198 | case 32: | |
199 | *(outPtr++) = (color & 31) << 2; | |
200 | *(outPtr++) = ((color >> 5) & 31) << 2; | |
201 | *(outPtr++) = ((color >> 10) & 31) << 2; | |
202 | *(outPtr++) = 0; /* resvd */ | |
203 | break; | |
204 | case 24: | |
205 | *(outPtr++) = (color & 31) << 2; | |
206 | *(outPtr++) = ((color >> 5) & 31) << 2; | |
207 | *(outPtr++) = ((color >> 10) & 31) << 2; | |
208 | break; | |
209 | case 16: | |
210 | *(outPtr++) = *(ptr++); | |
211 | *(outPtr++) = *(ptr++); | |
212 | break; | |
213 | case 8: | |
214 | *(outPtr++) = (((color & 31) | |
215 | + ((color >> 5) & 31) | |
216 | + ((color >> 10) & 31)) / 3) << 2; | |
217 | break; | |
218 | case 1: | |
219 | if (color) | |
220 | outPtr[column / 8] |= (1 << (7 - (column & 7))); | |
221 | else | |
222 | outPtr[column / 8] &= ~(1 << (7 - (column & 7))); | |
223 | break; | |
224 | } /* end switch(effbpp) */ | |
225 | } /* end if effxbpp==16) */ | |
226 | } /* end for column */ | |
227 | } /* end for row */ | |
228 | } | |
229 | ||
230 | static HICON | |
231 | NetWMToWinIconAlpha(uint32_t * icon) | |
232 | { | |
233 | int width = icon[0]; | |
234 | int height = icon[1]; | |
235 | uint32_t *pixels = &icon[2]; | |
236 | HICON result; | |
237 | HDC hdc = GetDC(NULL); | |
238 | uint32_t *DIB_pixels; | |
239 | ICONINFO ii; | |
240 | BITMAPV4HEADER bmh = { sizeof(bmh) }; | |
241 | ||
242 | /* Define an ARGB pixel format used for Color+Alpha icons */ | |
243 | bmh.bV4Width = width; | |
244 | bmh.bV4Height = -height; /* Invert the image */ | |
245 | bmh.bV4Planes = 1; | |
246 | bmh.bV4BitCount = 32; | |
247 | bmh.bV4V4Compression = BI_BITFIELDS; | |
248 | bmh.bV4AlphaMask = 0xFF000000; | |
249 | bmh.bV4RedMask = 0x00FF0000; | |
250 | bmh.bV4GreenMask = 0x0000FF00; | |
251 | bmh.bV4BlueMask = 0x000000FF; | |
252 | ||
253 | ii.fIcon = TRUE; | |
254 | ii.xHotspot = 0; /* ignored */ | |
255 | ii.yHotspot = 0; /* ignored */ | |
256 | ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO *) &bmh, | |
257 | DIB_RGB_COLORS, (void **) &DIB_pixels, NULL, | |
258 | 0); | |
259 | ReleaseDC(NULL, hdc); | |
260 | ||
261 | if (!ii.hbmColor) | |
262 | return NULL; | |
263 | ||
264 | ii.hbmMask = CreateBitmap(width, height, 1, 1, NULL); | |
265 | memcpy(DIB_pixels, pixels, height * width * 4); | |
266 | ||
267 | /* CreateIconIndirect() traditionally required DDBitmaps */ | |
268 | /* Systems from WinXP accept 32-bit ARGB DIBitmaps with full 8-bit alpha support */ | |
269 | /* The icon is created with a DIB + empty DDB mask (an MS example does the same) */ | |
270 | result = CreateIconIndirect(&ii); | |
271 | ||
272 | DeleteObject(ii.hbmColor); | |
273 | DeleteObject(ii.hbmMask); | |
274 | ||
275 | winDebug("NetWMToWinIconAlpha - %d x %d = %p\n", icon[0], icon[1], result); | |
276 | return result; | |
277 | } | |
278 | ||
279 | static HICON | |
280 | NetWMToWinIconThreshold(uint32_t * icon) | |
281 | { | |
282 | int width = icon[0]; | |
283 | int height = icon[1]; | |
284 | uint32_t *pixels = &icon[2]; | |
285 | int row, col; | |
286 | HICON result; | |
287 | ICONINFO ii; | |
288 | ||
289 | HDC hdc = GetDC(NULL); | |
290 | HDC xorDC = CreateCompatibleDC(hdc); | |
291 | HDC andDC = CreateCompatibleDC(hdc); | |
292 | ||
293 | ii.fIcon = TRUE; | |
294 | ii.xHotspot = 0; /* ignored */ | |
295 | ii.yHotspot = 0; /* ignored */ | |
296 | ii.hbmColor = CreateCompatibleBitmap(hdc, width, height); | |
297 | ii.hbmMask = CreateCompatibleBitmap(hdc, width, height); | |
298 | ReleaseDC(NULL, hdc); | |
299 | SelectObject(xorDC, ii.hbmColor); | |
300 | SelectObject(andDC, ii.hbmMask); | |
301 | ||
302 | for (row = 0; row < height; row++) { | |
303 | for (col = 0; col < width; col++) { | |
304 | if ((*pixels & 0xFF000000) > 31 << 24) { /* 31 alpha threshold, i.e. opaque above, transparent below */ | |
305 | SetPixelV(xorDC, col, row, | |
306 | RGB(((char *) pixels)[2], ((char *) pixels)[1], | |
307 | ((char *) pixels)[0])); | |
308 | SetPixelV(andDC, col, row, RGB(0, 0, 0)); /* black mask */ | |
309 | } | |
310 | else { | |
311 | SetPixelV(xorDC, col, row, RGB(0, 0, 0)); | |
312 | SetPixelV(andDC, col, row, RGB(255, 255, 255)); /* white mask */ | |
313 | } | |
314 | pixels++; | |
315 | } | |
316 | } | |
317 | DeleteDC(xorDC); | |
318 | DeleteDC(andDC); | |
319 | ||
320 | result = CreateIconIndirect(&ii); | |
321 | ||
322 | DeleteObject(ii.hbmColor); | |
323 | DeleteObject(ii.hbmMask); | |
324 | ||
325 | winDebug("NetWMToWinIconThreshold - %d x %d = %p\n", icon[0], icon[1], | |
326 | result); | |
327 | return result; | |
328 | } | |
329 | ||
330 | static HICON | |
331 | NetWMToWinIcon(int bpp, uint32_t * icon) | |
332 | { | |
333 | static Bool hasIconAlphaChannel = FALSE; | |
334 | static BOOL versionChecked = FALSE; | |
335 | ||
336 | if (!versionChecked) { | |
337 | OSVERSIONINFOEX osvi = { 0 }; | |
338 | ULONGLONG dwlConditionMask = 0; | |
339 | ||
340 | osvi.dwOSVersionInfoSize = sizeof(osvi); | |
341 | osvi.dwMajorVersion = 5; | |
342 | osvi.dwMinorVersion = 1; | |
343 | ||
344 | /* Windows versions later than XP have icon alpha channel suport, 2000 does not */ | |
345 | VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, | |
346 | VER_GREATER_EQUAL); | |
347 | VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, | |
348 | VER_GREATER_EQUAL); | |
349 | hasIconAlphaChannel = | |
350 | VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, | |
351 | dwlConditionMask); | |
352 | versionChecked = TRUE; | |
353 | ||
354 | ErrorF("OS has icon alpha channel support: %s\n", | |
355 | hasIconAlphaChannel ? "yes" : "no"); | |
356 | } | |
357 | ||
358 | if (hasIconAlphaChannel && (bpp == 32)) | |
359 | return NetWMToWinIconAlpha(icon); | |
360 | else | |
361 | return NetWMToWinIconThreshold(icon); | |
362 | } | |
363 | ||
364 | /* | |
365 | * Attempt to create a custom icon from the WM_HINTS bitmaps | |
366 | */ | |
367 | ||
368 | static | |
369 | HICON | |
370 | winXIconToHICON(Display * pDisplay, Window id, int iconSize) | |
371 | { | |
372 | unsigned char *mask, *image = NULL, *imageMask; | |
373 | unsigned char *dst, *src; | |
374 | int planes, bpp, i; | |
375 | int biggest_size = 0; | |
376 | HDC hDC; | |
377 | ICONINFO ii; | |
378 | XWMHints *hints; | |
379 | HICON hIcon = NULL; | |
380 | uint32_t *biggest_icon = NULL; | |
381 | ||
382 | static Atom _XA_NET_WM_ICON; | |
383 | static int generation; | |
384 | uint32_t *icon, *icon_data = NULL; | |
385 | unsigned long int size; | |
386 | unsigned long int type; | |
387 | int format; | |
388 | unsigned long int left; | |
389 | ||
390 | hDC = GetDC(GetDesktopWindow()); | |
391 | planes = GetDeviceCaps(hDC, PLANES); | |
392 | bpp = GetDeviceCaps(hDC, BITSPIXEL); | |
393 | ReleaseDC(GetDesktopWindow(), hDC); | |
394 | ||
395 | /* Always prefer _NET_WM_ICON icons */ | |
396 | if (generation != serverGeneration) { | |
397 | generation = serverGeneration; | |
398 | _XA_NET_WM_ICON = XInternAtom(pDisplay, "_NET_WM_ICON", FALSE); | |
399 | } | |
400 | ||
401 | if ((XGetWindowProperty(pDisplay, id, _XA_NET_WM_ICON, | |
402 | 0, MAXINT, FALSE, | |
403 | AnyPropertyType, &type, &format, &size, &left, | |
404 | (unsigned char **) &icon_data) == Success) && | |
405 | (icon_data != NULL)) { | |
406 | for (icon = icon_data; icon < &icon_data[size] && *icon; | |
407 | icon = &icon[icon[0] * icon[1] + 2]) { | |
408 | /* Find an exact match to the size we require... */ | |
409 | if (icon[0] == iconSize && icon[1] == iconSize) { | |
410 | winDebug("winXIconToHICON: found %lu x %lu NetIcon\n", icon[0], | |
411 | icon[1]); | |
412 | hIcon = NetWMToWinIcon(bpp, icon); | |
413 | break; | |
414 | } | |
415 | /* Otherwise, find the biggest icon and let Windows scale the size */ | |
416 | else if (biggest_size < icon[0]) { | |
417 | biggest_icon = icon; | |
418 | biggest_size = icon[0]; | |
419 | } | |
420 | } | |
421 | ||
422 | if (!hIcon && biggest_icon) { | |
423 | winDebug | |
424 | ("winXIconToHICON: selected %lu x %lu NetIcon for scaling to %u x %u\n", | |
425 | biggest_icon[0], biggest_icon[1], iconSize, iconSize); | |
426 | ||
427 | hIcon = NetWMToWinIcon(bpp, biggest_icon); | |
428 | } | |
429 | ||
430 | XFree(icon_data); | |
431 | } | |
432 | ||
433 | if (!hIcon) { | |
434 | winDebug("winXIconToHICON: no suitable NetIcon\n"); | |
435 | ||
436 | hints = XGetWMHints(pDisplay, id); | |
437 | if (hints) { | |
438 | winDebug("winXIconToHICON: id 0x%x icon_pixmap hint %x\n", id, | |
439 | hints->icon_pixmap); | |
440 | ||
441 | if (hints->icon_pixmap) { | |
442 | Window root; | |
443 | int x, y; | |
444 | unsigned int width, height, border_width, depth; | |
445 | XImage *xImageIcon; | |
446 | XImage *xImageMask = NULL; | |
447 | ||
448 | XGetGeometry(pDisplay, hints->icon_pixmap, &root, &x, &y, | |
449 | &width, &height, &border_width, &depth); | |
450 | ||
451 | xImageIcon = | |
452 | XGetImage(pDisplay, hints->icon_pixmap, 0, 0, width, height, | |
453 | 0xFFFFFFFF, ZPixmap); | |
454 | winDebug("winXIconToHICON: id 0x%x icon Ximage 0x%x\n", id, | |
455 | xImageIcon); | |
456 | ||
457 | if (hints->icon_mask) | |
458 | xImageMask = | |
459 | XGetImage(pDisplay, hints->icon_mask, 0, 0, width, | |
460 | height, 0xFFFFFFFF, ZPixmap); | |
461 | ||
462 | if (xImageIcon) { | |
463 | int effBPP, stride, maskStride; | |
464 | ||
465 | /* 15 BPP is really 16BPP as far as we care */ | |
466 | if (bpp == 15) | |
467 | effBPP = 16; | |
468 | else | |
469 | effBPP = bpp; | |
470 | ||
471 | /* Need 16-bit aligned rows for DDBitmaps */ | |
472 | stride = ((iconSize * effBPP + 15) & (~15)) / 8; | |
473 | ||
474 | /* Mask is 1-bit deep */ | |
475 | maskStride = ((iconSize * 1 + 15) & (~15)) / 8; | |
476 | ||
477 | image = malloc(stride * iconSize); | |
478 | imageMask = malloc(stride * iconSize); | |
479 | mask = malloc(maskStride * iconSize); | |
480 | ||
481 | /* Default to a completely black mask */ | |
482 | memset(imageMask, 0, stride * iconSize); | |
483 | memset(mask, 0, maskStride * iconSize); | |
484 | ||
485 | winScaleXImageToWindowsIcon(iconSize, effBPP, stride, | |
486 | xImageIcon, image); | |
487 | ||
488 | if (xImageMask) { | |
489 | winScaleXImageToWindowsIcon(iconSize, 1, maskStride, | |
490 | xImageMask, mask); | |
491 | winScaleXImageToWindowsIcon(iconSize, effBPP, stride, | |
492 | xImageMask, imageMask); | |
493 | } | |
494 | ||
495 | /* Now we need to set all bits of the icon which are not masked */ | |
496 | /* on to 0 because Color is really an XOR, not an OR function */ | |
497 | dst = image; | |
498 | src = imageMask; | |
499 | ||
500 | for (i = 0; i < (stride * iconSize); i++) | |
501 | if ((*(src++))) | |
502 | *(dst++) = 0; | |
503 | else | |
504 | dst++; | |
505 | ||
506 | ii.fIcon = TRUE; | |
507 | ii.xHotspot = 0; /* ignored */ | |
508 | ii.yHotspot = 0; /* ignored */ | |
509 | ||
510 | /* Create Win32 mask from pixmap shape */ | |
511 | ii.hbmMask = | |
512 | CreateBitmap(iconSize, iconSize, planes, 1, mask); | |
513 | ||
514 | /* Create Win32 bitmap from pixmap */ | |
515 | ii.hbmColor = | |
516 | CreateBitmap(iconSize, iconSize, planes, bpp, image); | |
517 | ||
518 | /* Merge Win32 mask and bitmap into icon */ | |
519 | hIcon = CreateIconIndirect(&ii); | |
520 | ||
521 | /* Release Win32 mask and bitmap */ | |
522 | DeleteObject(ii.hbmMask); | |
523 | DeleteObject(ii.hbmColor); | |
524 | ||
525 | /* Free X mask and bitmap */ | |
526 | free(mask); | |
527 | free(image); | |
528 | free(imageMask); | |
529 | ||
530 | if (xImageMask) | |
531 | XDestroyImage(xImageMask); | |
532 | ||
533 | XDestroyImage(xImageIcon); | |
534 | } | |
535 | } | |
536 | XFree(hints); | |
537 | } | |
538 | } | |
539 | return hIcon; | |
540 | } | |
541 | ||
542 | /* | |
543 | * Change the Windows window icon | |
544 | */ | |
545 | ||
546 | #ifdef XWIN_MULTIWINDOW | |
547 | void | |
548 | winUpdateIcon(HWND hWnd, Display * pDisplay, Window id, HICON hIconNew) | |
549 | { | |
550 | HICON hIcon, hIconSmall = NULL, hIconOld; | |
551 | ||
552 | /* Start with the icon from preferences, if any */ | |
553 | hIcon = hIconNew; | |
554 | hIconSmall = hIconNew; | |
555 | ||
556 | /* If we still need an icon, try and get the icon from WM_HINTS */ | |
557 | if (!hIcon) | |
558 | hIcon = winXIconToHICON(pDisplay, id, GetSystemMetrics(SM_CXICON)); | |
559 | if (!hIconSmall) | |
560 | hIconSmall = | |
561 | winXIconToHICON(pDisplay, id, GetSystemMetrics(SM_CXSMICON)); | |
562 | ||
563 | /* If we got the small, but not the large one swap them */ | |
564 | if (!hIcon && hIconSmall) { | |
565 | hIcon = hIconSmall; | |
566 | hIconSmall = NULL; | |
567 | } | |
568 | ||
569 | /* Set the large icon */ | |
570 | hIconOld = (HICON) SendMessage(hWnd, WM_SETICON, ICON_BIG, (LPARAM) hIcon); | |
571 | /* Delete the old icon if its not the default */ | |
572 | winDestroyIcon(hIconOld); | |
573 | ||
574 | /* Same for the small icon */ | |
575 | hIconOld = | |
576 | (HICON) SendMessage(hWnd, WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall); | |
577 | winDestroyIcon(hIconOld); | |
578 | } | |
579 | ||
580 | void | |
581 | winInitGlobalIcons(void) | |
582 | { | |
583 | int sm_cx = GetSystemMetrics(SM_CXICON); | |
584 | int sm_cxsm = GetSystemMetrics(SM_CXSMICON); | |
585 | ||
586 | /* Load default X icon in case it's not ready yet */ | |
587 | if (!g_hIconX) { | |
588 | g_hIconX = winOverrideDefaultIcon(sm_cx); | |
589 | g_hSmallIconX = winOverrideDefaultIcon(sm_cxsm); | |
590 | } | |
591 | ||
592 | if (!g_hIconX) { | |
593 | g_hIconX = (HICON) LoadImage(g_hInstance, | |
594 | MAKEINTRESOURCE(IDI_XWIN), | |
595 | IMAGE_ICON, | |
596 | GetSystemMetrics(SM_CXICON), | |
597 | GetSystemMetrics(SM_CYICON), 0); | |
598 | g_hSmallIconX = (HICON) LoadImage(g_hInstance, | |
599 | MAKEINTRESOURCE(IDI_XWIN), | |
600 | IMAGE_ICON, | |
601 | GetSystemMetrics(SM_CXSMICON), | |
602 | GetSystemMetrics(SM_CYSMICON), | |
603 | LR_DEFAULTSIZE); | |
604 | } | |
605 | } | |
606 | ||
607 | void | |
608 | winSelectIcons(HICON * pIcon, HICON * pSmallIcon) | |
609 | { | |
610 | HICON hIcon, hSmallIcon; | |
611 | ||
612 | winInitGlobalIcons(); | |
613 | ||
614 | /* Use default X icon */ | |
615 | hIcon = g_hIconX; | |
616 | hSmallIcon = g_hSmallIconX; | |
617 | ||
618 | if (pIcon) | |
619 | *pIcon = hIcon; | |
620 | ||
621 | if (pSmallIcon) | |
622 | *pSmallIcon = hSmallIcon; | |
623 | } | |
624 | ||
625 | void | |
626 | winDestroyIcon(HICON hIcon) | |
627 | { | |
628 | /* Delete the icon if its not one of the application defaults or an override */ | |
629 | if (hIcon && | |
630 | hIcon != g_hIconX && | |
631 | hIcon != g_hSmallIconX && !winIconIsOverride(hIcon)) | |
632 | DestroyIcon(hIcon); | |
633 | } | |
634 | #endif |