Added magic comments to all Wine-specific registry accesses to make
[wine] / dlls / x11drv / init.c
1 /*
2  * X11 graphics driver initialisation functions
3  *
4  * Copyright 1996 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include "config.h"
22
23 #include <stdarg.h>
24 #include <string.h>
25
26 #include "windef.h"
27 #include "winbase.h"
28 #include "winreg.h"
29 #include "x11drv.h"
30 #include "x11font.h"
31 #include "ddrawi.h"
32 #include "wine/debug.h"
33
34 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
35
36 Display *gdi_display;  /* display to use for all GDI functions */
37
38 /* a few dynamic device caps */
39 static int log_pixels_x;  /* pixels per logical inch in x direction */
40 static int log_pixels_y;  /* pixels per logical inch in y direction */
41 static int horz_size;     /* horz. size of screen in millimeters */
42 static int vert_size;     /* vert. size of screen in millimeters */
43 static int palette_size;
44 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
45                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
46                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
47                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
48
49
50 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
51 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
52
53 static const WCHAR INIFontSection[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
54                                        'W','i','n','e','\\','C','o','n','f','i','g','\\',
55                                        'f','o','n','t','s','\0'};
56 static const WCHAR INIResolution[] = {'R','e','s','o','l','u','t','i','o','n','\0'};
57
58 /******************************************************************************
59  *      get_dpi
60  *
61  * get the dpi from the registry
62  */
63 static DWORD get_dpi( void )
64 {
65     DWORD dpi = 96;
66     HKEY hkey;
67
68     /* @@ Wine registry key: HKLM\Software\Wine\Wine\Config\fonts */
69     if(RegOpenKeyW(HKEY_LOCAL_MACHINE, INIFontSection, &hkey) == ERROR_SUCCESS)
70     {
71         char buffer[20];
72         DWORD type, count = sizeof(buffer);
73         if(RegQueryValueExW(hkey, INIResolution, 0, &type, buffer, &count) == ERROR_SUCCESS)
74             if(atoi(buffer) != 96)
75                 MESSAGE("Please use the registry key HKEY_CURRENT_CONFIG\\Software\\Fonts\\LogPixels\n"
76                         "to set the screen resolution and remove the \"Resolution\" entry in the config file\n");
77         RegCloseKey(hkey);
78     }
79
80     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
81     {
82         DWORD type, size, new_dpi;
83
84         size = sizeof(new_dpi);
85         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
86         {
87             if(type == REG_DWORD && new_dpi != 0)
88                 dpi = new_dpi;
89         }
90         RegCloseKey(hkey);
91     }
92     return dpi;
93 }
94
95 /**********************************************************************
96  *           X11DRV_GDI_Initialize
97  */
98 void X11DRV_GDI_Initialize( Display *display )
99 {
100     gdi_display = display;
101
102     /* Initialize XRender */
103     X11DRV_XRender_Init();
104
105     palette_size = X11DRV_PALETTE_Init();
106
107     X11DRV_BITMAP_Init();
108
109     /* Initialize device caps */
110     log_pixels_x = log_pixels_y = get_dpi();
111     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
112     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
113
114     /* Initialize fonts and text caps */
115     X11DRV_FONT_Init(log_pixels_x, log_pixels_y);
116 }
117
118 /**********************************************************************
119  *           X11DRV_GDI_Finalize
120  */
121 void X11DRV_GDI_Finalize(void)
122 {
123     X11DRV_PALETTE_Cleanup();
124     XCloseDisplay( gdi_display );
125     gdi_display = NULL;
126 }
127
128 /**********************************************************************
129  *           X11DRV_CreateDC
130  */
131 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
132                       LPCWSTR output, const DEVMODEW* initData )
133 {
134     X11DRV_PDEVICE *physDev;
135
136     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
137     if (!physDev) return FALSE;
138
139     *pdev = physDev;
140     physDev->hdc = hdc;
141
142     if (GetObjectType( hdc ) == OBJ_MEMDC)
143     {
144         if (!BITMAP_stock_phys_bitmap.hbitmap)
145             BITMAP_stock_phys_bitmap.hbitmap = GetCurrentObject( hdc, OBJ_BITMAP );
146         physDev->bitmap    = &BITMAP_stock_phys_bitmap;
147         physDev->drawable  = BITMAP_stock_phys_bitmap.pixmap;
148         physDev->depth     = 1;
149     }
150     else
151     {
152         physDev->bitmap    = NULL;
153         physDev->drawable  = root_window;
154         physDev->depth     = screen_depth;
155     }
156     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
157
158     wine_tsx11_lock();
159     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
160     XSetGraphicsExposures( gdi_display, physDev->gc, False );
161     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
162     XFlush( gdi_display );
163     wine_tsx11_unlock();
164     return TRUE;
165 }
166
167
168 /**********************************************************************
169  *           X11DRV_DeleteDC
170  */
171 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
172 {
173     if(physDev->xrender)
174       X11DRV_XRender_DeleteDC( physDev );
175     DeleteObject( physDev->region );
176     wine_tsx11_lock();
177     XFreeGC( gdi_display, physDev->gc );
178     while (physDev->used_visuals-- > 0)
179         XFree(physDev->visuals[physDev->used_visuals]);
180     wine_tsx11_unlock();
181     HeapFree( GetProcessHeap(), 0, physDev );
182     return TRUE;
183 }
184
185
186 /***********************************************************************
187  *           GetDeviceCaps    (X11DRV.@)
188  */
189 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
190 {
191     switch(cap)
192     {
193     case DRIVERVERSION:
194         return 0x300;
195     case TECHNOLOGY:
196         return DT_RASDISPLAY;
197     case HORZSIZE:
198         return horz_size;
199     case VERTSIZE:
200         return vert_size;
201     case HORZRES:
202         return screen_width;
203     case VERTRES:
204         return screen_height;
205     case BITSPIXEL:
206         return screen_depth;
207     case PLANES:
208         return 1;
209     case NUMBRUSHES:
210         return -1;
211     case NUMPENS:
212         return -1;
213     case NUMMARKERS:
214         return 0;
215     case NUMFONTS:
216         return 0;
217     case NUMCOLORS:
218         /* MSDN: Number of entries in the device's color table, if the device has
219          * a color depth of no more than 8 bits per pixel.For devices with greater
220          * color depths, -1 is returned. */
221         return (screen_depth > 8) ? -1 : (1 << screen_depth);
222     case PDEVICESIZE:
223         return sizeof(X11DRV_PDEVICE);
224     case CURVECAPS:
225         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
226                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
227     case LINECAPS:
228         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
229                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
230     case POLYGONALCAPS:
231         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
232                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
233     case TEXTCAPS:
234         return text_caps;
235     case CLIPCAPS:
236         return CP_REGION;
237     case RASTERCAPS:
238         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
239                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
240                 (palette_size ? RC_PALETTE : 0));
241     case ASPECTX:
242     case ASPECTY:
243         return 36;
244     case ASPECTXY:
245         return 51;
246     case LOGPIXELSX:
247         return log_pixels_x;
248     case LOGPIXELSY:
249         return log_pixels_y;
250     case CAPS1:
251         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
252         /* please see wingdi.h for the possible bit-flag values that need
253            to be returned. also, see
254            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
255         return 0;
256     case SIZEPALETTE:
257         return palette_size;
258     case NUMRESERVED:
259     case COLORRES:
260     case PHYSICALWIDTH:
261     case PHYSICALHEIGHT:
262     case PHYSICALOFFSETX:
263     case PHYSICALOFFSETY:
264     case SCALINGFACTORX:
265     case SCALINGFACTORY:
266     case VREFRESH:
267     case DESKTOPVERTRES:
268     case DESKTOPHORZRES:
269     case BTLALIGNMENT:
270         return 0;
271     default:
272         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
273         return 0;
274     }
275 }
276
277
278 /**********************************************************************
279  *           ExtEscape  (X11DRV.@)
280  */
281 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
282                       INT out_count, LPVOID out_data )
283 {
284     switch(escape)
285     {
286     case QUERYESCSUPPORT:
287         if (in_data)
288         {
289             switch (*(const INT *)in_data)
290             {
291             case DCICOMMAND:
292                 return DD_HAL_VERSION;
293             case X11DRV_ESCAPE:
294                 return TRUE;
295             }
296         }
297         break;
298
299     case DCICOMMAND:
300         if (in_data)
301         {
302             const DCICMD *lpCmd = in_data;
303             if (lpCmd->dwVersion != DD_VERSION) break;
304             return X11DRV_DCICommand(in_count, lpCmd, out_data);
305         }
306         break;
307
308     case X11DRV_ESCAPE:
309         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
310         {
311             switch(*(const enum x11drv_escape_codes *)in_data)
312             {
313             case X11DRV_GET_DISPLAY:
314                 if (out_count >= sizeof(Display *))
315                 {
316                     *(Display **)out_data = gdi_display;
317                     return TRUE;
318                 }
319                 break;
320             case X11DRV_GET_DRAWABLE:
321                 if (out_count >= sizeof(Drawable))
322                 {
323                     *(Drawable *)out_data = physDev->drawable;
324                     return TRUE;
325                 }
326                 break;
327             case X11DRV_GET_FONT:
328                 if (out_count >= sizeof(Font))
329                 {
330                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
331                     if (pfo == NULL) return FALSE;
332                     *(Font *)out_data = pfo->fs->fid;
333                     return TRUE;
334                 }
335                 break;
336             case X11DRV_SET_DRAWABLE:
337                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
338                 {
339                     const struct x11drv_escape_set_drawable *data = (const struct x11drv_escape_set_drawable *)in_data;
340                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
341                     physDev->org = data->org;
342                     physDev->drawable = data->drawable;
343                     physDev->drawable_org = data->drawable_org;
344                     wine_tsx11_lock();
345                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
346                     wine_tsx11_unlock();
347                     return TRUE;
348                 }
349                 break;
350             case X11DRV_START_EXPOSURES:
351                 wine_tsx11_lock();
352                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
353                 wine_tsx11_unlock();
354                 physDev->exposures = 0;
355                 return TRUE;
356             case X11DRV_END_EXPOSURES:
357                 if (out_count >= sizeof(HRGN))
358                 {
359                     HRGN hrgn = 0, tmp = 0;
360
361                     wine_tsx11_lock();
362                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
363                     if (physDev->exposures)
364                     {
365                         for (;;)
366                         {
367                             XEvent event;
368
369                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
370                             if (event.type == NoExpose) break;
371                             if (event.type == GraphicsExpose)
372                             {
373                                 int x = event.xgraphicsexpose.x - physDev->org.x;
374                                 int y = event.xgraphicsexpose.y - physDev->org.y;
375
376                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
377                                        event.xgraphicsexpose.width,
378                                        event.xgraphicsexpose.height,
379                                        event.xgraphicsexpose.count );
380
381                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
382                                 SetRectRgn( tmp, x, y,
383                                             x + event.xgraphicsexpose.width,
384                                             y + event.xgraphicsexpose.height );
385                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
386                                 else
387                                 {
388                                     hrgn = tmp;
389                                     tmp = 0;
390                                 }
391                                 if (!event.xgraphicsexpose.count) break;
392                             }
393                             else
394                             {
395                                 ERR( "got unexpected event %d\n", event.type );
396                                 break;
397                             }
398                         }
399                         if (tmp) DeleteObject( tmp );
400                     }
401                     wine_tsx11_unlock();
402                     *(HRGN *)out_data = hrgn;
403                     return TRUE;
404                 }
405                 break;
406             case X11DRV_GET_DCE:
407                 if (out_count >= sizeof(struct dce *))
408                 {
409                     *(struct dce **)out_data = physDev->dce;
410                     return TRUE;
411                 }
412                 break;
413             case X11DRV_SET_DCE:
414                 if (in_count >= sizeof(struct x11drv_escape_set_dce))
415                 {
416                     const struct x11drv_escape_set_dce *data = (const struct x11drv_escape_set_dce *)in_data;
417                     physDev->dce = data->dce;
418                     return TRUE;
419                 }
420                 break;
421             }
422         }
423         break;
424     }
425     return 0;
426 }