Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_syswm.c @ 1246:ca51a76a7328
Make error message meaningful if dlopen() fails on libX11.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Fri, 13 Jan 2006 02:32:07 +0000 |
parents | 51a8702d8ecd |
children | c9b51268668f |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
3 Copyright (C) 1997, 1998, 1999 Sam Lantinga | |
4 | |
5 This library is free software; you can redistribute it and/or | |
6 modify it under the terms of the GNU Library General Public | |
7 License as published by the Free Software Foundation; either | |
8 version 2 of the License, or (at your option) any later version. | |
9 | |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 Library General Public License for more details. | |
14 | |
15 You should have received a copy of the GNU Library General Public | |
16 License along with this library; if not, write to the Free | |
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
22 | |
23 #ifdef SAVE_RCSID | |
24 static char rcsid = | |
25 "@(#) $Id$" | |
26 #endif | |
27 | |
28 #include <stdio.h> | |
29 #include <malloc.h> | |
30 #include <windows.h> | |
31 | |
32 #include "SDL_version.h" | |
33 #include "SDL_error.h" | |
34 #include "SDL_video.h" | |
35 #include "SDL_syswm.h" | |
36 #include "SDL_syswm_c.h" | |
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37 #include "SDL_wingl_c.h" |
0 | 38 #include "SDL_pixels_c.h" |
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39 #include "SDL_loadso.h" |
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40 |
0 | 41 |
42 #ifdef _WIN32_WCE | |
43 #define DISABLE_ICON_SUPPORT | |
44 #endif | |
45 | |
46 /* RJR: March 28, 2000 | |
47 we need "SDL_cursor_c.h" for mods to WIN_GrabInput */ | |
48 #include "SDL_cursor_c.h" | |
49 | |
50 /* The screen icon -- needs to be freed on SDL_VideoQuit() */ | |
51 HICON screen_icn = NULL; | |
52 | |
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53 #ifdef _WIN32_WCE |
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54 |
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55 BOOL (WINAPI *CoreCatchInput)(int flag) = NULL; |
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56 int input_catched = 0; |
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57 HINSTANCE coredll = NULL; |
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58 |
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59 // the same API call that gx.dll does to catch the input |
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60 void LoadInputCatchFunc() |
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61 { |
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62 coredll = SDL_LoadObject("coredll.dll"); |
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63 if( coredll ) |
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64 { |
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65 CoreCatchInput = (int (WINAPI *)(int)) GetProcAddress(coredll, (const unsigned short *) 1453); |
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66 } |
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67 } |
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68 |
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69 #endif |
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70 |
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71 |
0 | 72 /* Win32 icon mask semantics are different from those of SDL: |
73 SDL applies the mask to the icon and copies result to desktop. | |
74 Win32 applies the mask to the desktop and XORs the icon on. | |
75 This means that the SDL mask needs to be applied to the icon and | |
76 then inverted and passed to Win32. | |
77 */ | |
78 void WIN_SetWMIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
79 { | |
80 #ifdef DISABLE_ICON_SUPPORT | |
81 return; | |
82 #else | |
83 SDL_Palette *pal_256; | |
84 SDL_Surface *icon_256; | |
85 Uint8 *pdata, *pwin32; | |
86 Uint8 *mdata, *mwin32, m = 0; | |
87 int icon_len; | |
88 int icon_plen; | |
89 int icon_mlen; | |
90 int icon_pitch; | |
91 int mask_pitch; | |
92 SDL_Rect bounds; | |
93 int i, skip; | |
94 int row, col; | |
95 struct /* quasi-BMP format */ Win32Icon { | |
96 Uint32 biSize; | |
97 Sint32 biWidth; | |
98 Sint32 biHeight; | |
99 Uint16 biPlanes; | |
100 Uint16 biBitCount; | |
101 Uint32 biCompression; | |
102 Uint32 biSizeImage; | |
103 Sint32 biXPelsPerMeter; | |
104 Sint32 biYPelsPerMeter; | |
105 Uint32 biClrUsed; | |
106 Uint32 biClrImportant; | |
107 struct /* RGBQUAD -- note it's BGR ordered */ { | |
108 Uint8 rgbBlue; | |
109 Uint8 rgbGreen; | |
110 Uint8 rgbRed; | |
111 Uint8 rgbReserved; | |
112 } biColors[256]; | |
113 /* Pixels: | |
114 Uint8 pixels[] | |
115 */ | |
116 /* Mask: | |
117 Uint8 mask[] | |
118 */ | |
119 } *icon_win32; | |
120 | |
121 /* Allocate the win32 bmp icon and set everything to zero */ | |
122 icon_pitch = ((icon->w+3)&~3); | |
123 mask_pitch = ((icon->w+7)/8); | |
124 icon_plen = icon->h*icon_pitch; | |
125 icon_mlen = icon->h*mask_pitch; | |
126 icon_len = sizeof(*icon_win32)+icon_plen+icon_mlen; | |
127 icon_win32 = (struct Win32Icon *)alloca(icon_len); | |
128 if ( icon_win32 == NULL ) { | |
129 return; | |
130 } | |
131 memset(icon_win32, 0, icon_len); | |
132 | |
133 /* Set the basic BMP parameters */ | |
134 icon_win32->biSize = sizeof(*icon_win32)-sizeof(icon_win32->biColors); | |
135 icon_win32->biWidth = icon->w; | |
136 icon_win32->biHeight = icon->h*2; | |
137 icon_win32->biPlanes = 1; | |
138 icon_win32->biBitCount = 8; | |
139 icon_win32->biSizeImage = icon_plen+icon_mlen; | |
140 | |
141 /* Allocate a standard 256 color icon surface */ | |
142 icon_256 = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
143 icon_win32->biBitCount, 0, 0, 0, 0); | |
144 if ( icon_256 == NULL ) { | |
145 return; | |
146 } | |
147 pal_256 = icon_256->format->palette; | |
148 if (icon->format->palette && | |
149 (icon->format->BitsPerPixel == icon_256->format->BitsPerPixel)){ | |
150 Uint8 black; | |
151 memcpy(pal_256->colors, icon->format->palette->colors, | |
152 pal_256->ncolors*sizeof(SDL_Color)); | |
153 /* Make sure that 0 is black! */ | |
154 black = SDL_FindColor(pal_256, 0x00, 0x00, 0x00); | |
155 pal_256->colors[black] = pal_256->colors[0]; | |
156 pal_256->colors[0].r = 0x00; | |
157 pal_256->colors[0].g = 0x00; | |
158 pal_256->colors[0].b = 0x00; | |
159 } else { | |
160 SDL_DitherColors(pal_256->colors, | |
161 icon_256->format->BitsPerPixel); | |
162 } | |
163 | |
164 /* Now copy color data to the icon BMP */ | |
165 for ( i=0; i<(1<<icon_win32->biBitCount); ++i ) { | |
166 icon_win32->biColors[i].rgbRed = pal_256->colors[i].r; | |
167 icon_win32->biColors[i].rgbGreen = pal_256->colors[i].g; | |
168 icon_win32->biColors[i].rgbBlue = pal_256->colors[i].b; | |
169 } | |
170 | |
171 /* Convert icon to a standard surface format. This may not always | |
172 be necessary, as Windows supports a variety of BMP formats, but | |
173 it greatly simplifies our code. | |
174 */ | |
175 bounds.x = 0; | |
176 bounds.y = 0; | |
177 bounds.w = icon->w; | |
178 bounds.h = icon->h; | |
179 if ( SDL_LowerBlit(icon, &bounds, icon_256, &bounds) < 0 ) { | |
180 SDL_FreeSurface(icon_256); | |
181 return; | |
182 } | |
183 | |
184 /* Copy pixels upside-down to icon BMP, masked with the icon mask */ | |
185 if ( SDL_MUSTLOCK(icon_256) || (icon_256->pitch != icon_pitch) ) { | |
186 SDL_FreeSurface(icon_256); | |
187 SDL_SetError("Warning: Unexpected icon_256 characteristics"); | |
188 return; | |
189 } | |
190 pdata = (Uint8 *)icon_256->pixels; | |
191 mdata = mask; | |
192 pwin32 = (Uint8 *)icon_win32+sizeof(*icon_win32)+icon_plen-icon_pitch; | |
193 skip = icon_pitch - icon->w; | |
194 for ( row=0; row<icon->h; ++row ) { | |
195 for ( col=0; col<icon->w; ++col ) { | |
196 if ( (col%8) == 0 ) { | |
197 m = *mdata++; | |
198 } | |
199 if ( (m&0x80) != 0x00 ) { | |
200 *pwin32 = *pdata; | |
201 } | |
202 m <<= 1; | |
203 ++pdata; | |
204 ++pwin32; | |
205 } | |
206 pdata += skip; | |
207 pwin32 += skip; | |
208 pwin32 -= 2*icon_pitch; | |
209 } | |
210 SDL_FreeSurface(icon_256); | |
211 | |
212 /* Copy mask inverted and upside-down to icon BMP */ | |
213 mdata = mask; | |
214 mwin32 = (Uint8 *)icon_win32 | |
215 +sizeof(*icon_win32)+icon_plen+icon_mlen-mask_pitch; | |
216 for ( row=0; row<icon->h; ++row ) { | |
217 for ( col=0; col<mask_pitch; ++col ) { | |
218 *mwin32++ = ~*mdata++; | |
219 } | |
220 mwin32 -= 2*mask_pitch; | |
221 } | |
222 | |
223 /* Finally, create the icon handle and set the window icon */ | |
224 screen_icn = CreateIconFromResourceEx((Uint8 *)icon_win32, icon_len, | |
225 TRUE, 0x00030000, icon->w, icon->h, LR_DEFAULTCOLOR); | |
226 if ( screen_icn == NULL ) { | |
227 SDL_SetError("Couldn't create Win32 icon handle"); | |
228 } else { | |
229 SetClassLong(SDL_Window, GCL_HICON, (LONG)screen_icn); | |
230 } | |
231 #endif /* DISABLE_ICON_SUPPORT */ | |
232 } | |
233 | |
234 void WIN_SetWMCaption(_THIS, const char *title, const char *icon) | |
235 { | |
236 #ifdef _WIN32_WCE | |
237 /* WinCE uses the UNICODE version */ | |
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238 int nLen = strlen(title)+1; |
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239 LPWSTR lpszW = alloca(nLen*2); |
0 | 240 MultiByteToWideChar(CP_ACP, 0, title, -1, lpszW, nLen); |
241 SetWindowText(SDL_Window, lpszW); | |
242 #else | |
243 SetWindowText(SDL_Window, title); | |
244 #endif | |
245 } | |
246 | |
247 int WIN_IconifyWindow(_THIS) | |
248 { | |
249 ShowWindow(SDL_Window, SW_MINIMIZE); | |
250 return(1); | |
251 } | |
252 | |
253 SDL_GrabMode WIN_GrabInput(_THIS, SDL_GrabMode mode) | |
254 { | |
255 if ( mode == SDL_GRAB_OFF ) { | |
256 ClipCursor(NULL); | |
257 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
258 /* RJR: March 28, 2000 | |
259 must be leaving relative mode, move mouse from | |
260 center of window to where it belongs ... */ | |
261 POINT pt; | |
262 int x, y; | |
263 SDL_GetMouseState(&x,&y); | |
264 pt.x = x; | |
265 pt.y = y; | |
266 ClientToScreen(SDL_Window, &pt); | |
267 SetCursorPos(pt.x,pt.y); | |
268 } | |
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269 #ifdef _WIN32_WCE |
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270 if( input_catched ) |
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271 { |
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272 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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273 |
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274 if( CoreCatchInput ) |
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275 CoreCatchInput(0); |
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276 } |
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277 #endif |
0 | 278 } else { |
279 ClipCursor(&SDL_bounds); | |
280 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
281 /* RJR: March 28, 2000 | |
282 must be entering relative mode, get ready by | |
283 moving mouse to center of window ... */ | |
284 POINT pt; | |
285 pt.x = (SDL_VideoSurface->w/2); | |
286 pt.y = (SDL_VideoSurface->h/2); | |
287 ClientToScreen(SDL_Window, &pt); | |
288 SetCursorPos(pt.x, pt.y); | |
289 } | |
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290 #ifdef _WIN32_WCE |
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291 if( !input_catched ) |
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292 { |
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293 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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294 |
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295 if( CoreCatchInput ) |
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296 CoreCatchInput(1); |
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297 } |
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298 #endif |
0 | 299 } |
300 return(mode); | |
301 } | |
302 | |
303 /* If 'info' is the right version, this function fills it and returns 1. | |
304 Otherwise, in case of a version mismatch, it returns -1. | |
305 */ | |
306 int WIN_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
307 { | |
308 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
309 info->window = SDL_Window; | |
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310 if ( SDL_VERSIONNUM(info->version.major, |
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311 info->version.minor, |
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312 info->version.patch) >= |
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313 SDL_VERSIONNUM(1, 2, 5) ) { |
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314 #ifdef HAVE_OPENGL |
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315 info->hglrc = GL_hrc; |
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316 #else |
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317 info->hglrc = NULL; |
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318 #endif |
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319 } |
0 | 320 return(1); |
321 } else { | |
322 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
323 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
324 return(-1); | |
325 } | |
326 } |