Fixed RtlSetEnvironmentVariable to deal properly with Unicode strings
[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 "x11drv.h"
29 #include "x11font.h"
30 #include "ddrawi.h"
31 #include "wine/debug.h"
32
33 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
34
35 Display *gdi_display;  /* display to use for all GDI functions */
36
37 /* a few dynamic device caps */
38 static int log_pixels_x;  /* pixels per logical inch in x direction */
39 static int log_pixels_y;  /* pixels per logical inch in y direction */
40 static int horz_size;     /* horz. size of screen in millimeters */
41 static int vert_size;     /* vert. size of screen in millimeters */
42 static int palette_size;
43 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
44                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
45                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
46                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
47
48 /**********************************************************************
49  *           X11DRV_GDI_Initialize
50  */
51 BOOL X11DRV_GDI_Initialize( Display *display )
52 {
53     Screen *screen = DefaultScreenOfDisplay(display);
54
55     gdi_display = display;
56
57     palette_size = X11DRV_PALETTE_Init();
58
59     if (!X11DRV_BITMAP_Init()) return FALSE;
60
61     /* Initialize XRender */
62     X11DRV_XRender_Init();
63
64     /* Initialize fonts and text caps */
65
66     log_pixels_x = MulDiv( WidthOfScreen(screen), 254, WidthMMOfScreen(screen) * 10 );
67     log_pixels_y = MulDiv( HeightOfScreen(screen), 254, HeightMMOfScreen(screen) * 10 );
68     X11DRV_FONT_Init( &log_pixels_x, &log_pixels_y );
69     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
70     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
71     return TRUE;
72 }
73
74 /**********************************************************************
75  *           X11DRV_GDI_Finalize
76  */
77 void X11DRV_GDI_Finalize(void)
78 {
79     X11DRV_PALETTE_Cleanup();
80     XCloseDisplay( gdi_display );
81     gdi_display = NULL;
82 }
83
84 /**********************************************************************
85  *           X11DRV_CreateDC
86  */
87 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
88                       LPCWSTR output, const DEVMODEW* initData )
89 {
90     X11DRV_PDEVICE *physDev;
91
92     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
93     if (!physDev) return FALSE;
94
95     *pdev = physDev;
96     physDev->hdc = hdc;
97
98     if (GetObjectType( hdc ) == OBJ_MEMDC)
99     {
100         physDev->drawable  = BITMAP_stock_pixmap;
101         physDev->depth     = 1;
102     }
103     else
104     {
105         physDev->drawable  = root_window;
106         physDev->depth     = screen_depth;
107     }
108     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
109
110     wine_tsx11_lock();
111     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
112     XSetGraphicsExposures( gdi_display, physDev->gc, False );
113     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
114     XFlush( gdi_display );
115     wine_tsx11_unlock();
116     return TRUE;
117 }
118
119
120 /**********************************************************************
121  *           X11DRV_DeleteDC
122  */
123 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
124 {
125     if(physDev->xrender)
126       X11DRV_XRender_DeleteDC( physDev );
127     DeleteObject( physDev->region );
128     wine_tsx11_lock();
129     XFreeGC( gdi_display, physDev->gc );
130     while (physDev->used_visuals-- > 0)
131         XFree(physDev->visuals[physDev->used_visuals]);
132     wine_tsx11_unlock();
133     HeapFree( GetProcessHeap(), 0, physDev );
134     return TRUE;
135 }
136
137
138 /***********************************************************************
139  *           GetDeviceCaps    (X11DRV.@)
140  */
141 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
142 {
143     switch(cap)
144     {
145     case DRIVERVERSION:
146         return 0x300;
147     case TECHNOLOGY:
148         return DT_RASDISPLAY;
149     case HORZSIZE:
150         return horz_size;
151     case VERTSIZE:
152         return vert_size;
153     case HORZRES:
154         return screen_width;
155     case VERTRES:
156         return screen_height;
157     case BITSPIXEL:
158         return screen_depth;
159     case PLANES:
160         return 1;
161     case NUMBRUSHES:
162         return -1;
163     case NUMPENS:
164         return -1;
165     case NUMMARKERS:
166         return 0;
167     case NUMFONTS:
168         return 0;
169     case NUMCOLORS:
170         /* MSDN: Number of entries in the device's color table, if the device has
171          * a color depth of no more than 8 bits per pixel.For devices with greater
172          * color depths, -1 is returned. */
173         return (screen_depth > 8) ? -1 : (1 << screen_depth);
174     case PDEVICESIZE:
175         return sizeof(X11DRV_PDEVICE);
176     case CURVECAPS:
177         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
178                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
179     case LINECAPS:
180         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
181                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
182     case POLYGONALCAPS:
183         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
184                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
185     case TEXTCAPS:
186         return text_caps;
187     case CLIPCAPS:
188         return CP_REGION;
189     case RASTERCAPS:
190         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
191                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
192                 (palette_size ? RC_PALETTE : 0));
193     case ASPECTX:
194     case ASPECTY:
195         return 36;
196     case ASPECTXY:
197         return 51;
198     case LOGPIXELSX:
199         return log_pixels_x;
200     case LOGPIXELSY:
201         return log_pixels_y;
202     case CAPS1:
203         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
204         /* please see wingdi.h for the possible bit-flag values that need
205            to be returned. also, see
206            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
207         return 0;
208     case SIZEPALETTE:
209         return palette_size;
210     case NUMRESERVED:
211     case COLORRES:
212     case PHYSICALWIDTH:
213     case PHYSICALHEIGHT:
214     case PHYSICALOFFSETX:
215     case PHYSICALOFFSETY:
216     case SCALINGFACTORX:
217     case SCALINGFACTORY:
218     case VREFRESH:
219     case DESKTOPVERTRES:
220     case DESKTOPHORZRES:
221     case BTLALIGNMENT:
222         return 0;
223     default:
224         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
225         return 0;
226     }
227 }
228
229
230 /**********************************************************************
231  *           ExtEscape  (X11DRV.@)
232  */
233 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
234                       INT out_count, LPVOID out_data )
235 {
236     switch(escape)
237     {
238     case QUERYESCSUPPORT:
239         if (in_data)
240         {
241             switch (*(INT *)in_data)
242             {
243             case DCICOMMAND:
244                 return DD_HAL_VERSION;
245             case X11DRV_ESCAPE:
246                 return TRUE;
247             }
248         }
249         break;
250
251     case DCICOMMAND:
252         if (in_data)
253         {
254             const DCICMD *lpCmd = in_data;
255             if (lpCmd->dwVersion != DD_VERSION) break;
256             return X11DRV_DCICommand(in_count, lpCmd, out_data);
257         }
258         break;
259
260     case X11DRV_ESCAPE:
261         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
262         {
263             switch(*(enum x11drv_escape_codes *)in_data)
264             {
265             case X11DRV_GET_DISPLAY:
266                 if (out_count >= sizeof(Display *))
267                 {
268                     *(Display **)out_data = gdi_display;
269                     return TRUE;
270                 }
271                 break;
272             case X11DRV_GET_DRAWABLE:
273                 if (out_count >= sizeof(Drawable))
274                 {
275                     *(Drawable *)out_data = physDev->drawable;
276                     return TRUE;
277                 }
278                 break;
279             case X11DRV_GET_FONT:
280                 if (out_count >= sizeof(Font))
281                 {
282                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
283                     if (pfo == NULL) return FALSE;
284                     *(Font *)out_data = pfo->fs->fid;
285                     return TRUE;
286                 }
287                 break;
288             case X11DRV_SET_DRAWABLE:
289                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
290                 {
291                     struct x11drv_escape_set_drawable *data = (struct x11drv_escape_set_drawable *)in_data;
292                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
293                     physDev->org = data->org;
294                     physDev->drawable = data->drawable;
295                     physDev->drawable_org = data->drawable_org;
296                     wine_tsx11_lock();
297                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
298                     wine_tsx11_unlock();
299                     return TRUE;
300                 }
301                 break;
302             case X11DRV_START_EXPOSURES:
303                 wine_tsx11_lock();
304                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
305                 wine_tsx11_unlock();
306                 physDev->exposures = 0;
307                 return TRUE;
308             case X11DRV_END_EXPOSURES:
309                 if (out_count >= sizeof(HRGN))
310                 {
311                     HRGN hrgn = 0, tmp = 0;
312
313                     wine_tsx11_lock();
314                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
315                     if (physDev->exposures)
316                     {
317                         for (;;)
318                         {
319                             XEvent event;
320
321                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
322                             if (event.type == NoExpose) break;
323                             if (event.type == GraphicsExpose)
324                             {
325                                 int x = event.xgraphicsexpose.x - physDev->org.x;
326                                 int y = event.xgraphicsexpose.y - physDev->org.y;
327
328                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
329                                        event.xgraphicsexpose.width,
330                                        event.xgraphicsexpose.height,
331                                        event.xgraphicsexpose.count );
332
333                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
334                                 SetRectRgn( tmp, x, y,
335                                             x + event.xgraphicsexpose.width,
336                                             y + event.xgraphicsexpose.height );
337                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
338                                 else
339                                 {
340                                     hrgn = tmp;
341                                     tmp = 0;
342                                 }
343                                 if (!event.xgraphicsexpose.count) break;
344                             }
345                             else
346                             {
347                                 ERR( "got unexpected event %d\n", event.type );
348                                 break;
349                             }
350                         }
351                         if (tmp) DeleteObject( tmp );
352                     }
353                     wine_tsx11_unlock();
354                     *(HRGN *)out_data = hrgn;
355                     return TRUE;
356                 }
357                 break;
358             }
359         }
360         break;
361     }
362     return 0;
363 }