ws2_32: Only enable FD_WRITE on short sends.
[wine] / dlls / winex11.drv / 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 static int device_init_done;
45 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
46                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
47                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
48                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
49
50
51 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
52 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
53
54
55 /******************************************************************************
56  *      get_dpi
57  *
58  * get the dpi from the registry
59  */
60 static DWORD get_dpi( void )
61 {
62     DWORD dpi = 96;
63     HKEY hkey;
64
65     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
66     {
67         DWORD type, size, new_dpi;
68
69         size = sizeof(new_dpi);
70         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
71         {
72             if(type == REG_DWORD && new_dpi != 0)
73                 dpi = new_dpi;
74         }
75         RegCloseKey(hkey);
76     }
77     return dpi;
78 }
79
80 /**********************************************************************
81  *           device_init
82  *
83  * Perform initializations needed upon creation of the first device.
84  */
85 static void device_init(void)
86 {
87     device_init_done = TRUE;
88
89     /* Initialize XRender */
90     X11DRV_XRender_Init();
91
92     /* Init Xcursor */
93     X11DRV_Xcursor_Init();
94
95     palette_size = X11DRV_PALETTE_Init();
96
97     X11DRV_BITMAP_Init();
98
99     /* Initialize device caps */
100     log_pixels_x = log_pixels_y = get_dpi();
101     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
102     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
103
104     /* Initialize fonts and text caps */
105     X11DRV_FONT_Init(log_pixels_x, log_pixels_y);
106 }
107
108 /**********************************************************************
109  *           X11DRV_GDI_Finalize
110  */
111 void X11DRV_GDI_Finalize(void)
112 {
113     X11DRV_PALETTE_Cleanup();
114     /* don't bother to close the display, it often triggers X bugs */
115     /* XCloseDisplay( gdi_display ); */
116 }
117
118 /**********************************************************************
119  *           X11DRV_CreateDC
120  */
121 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
122                       LPCWSTR output, const DEVMODEW* initData )
123 {
124     X11DRV_PDEVICE *physDev;
125
126     if (!device_init_done) device_init();
127
128     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
129     if (!physDev) return FALSE;
130
131     *pdev = physDev;
132     physDev->hdc = hdc;
133
134     if (GetObjectType( hdc ) == OBJ_MEMDC)
135     {
136         if (!BITMAP_stock_phys_bitmap.hbitmap)
137             BITMAP_stock_phys_bitmap.hbitmap = GetCurrentObject( hdc, OBJ_BITMAP );
138         physDev->bitmap    = &BITMAP_stock_phys_bitmap;
139         physDev->drawable  = BITMAP_stock_phys_bitmap.pixmap;
140         physDev->depth     = 1;
141         SetRect( &physDev->drawable_rect, 0, 0, 1, 1 );
142         physDev->dc_rect = physDev->drawable_rect;
143     }
144     else
145     {
146         physDev->bitmap    = NULL;
147         physDev->drawable  = root_window;
148         physDev->depth     = screen_depth;
149         physDev->drawable_rect = virtual_screen_rect;
150         SetRect( &physDev->dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
151                  virtual_screen_rect.bottom - virtual_screen_rect.top );
152     }
153     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
154
155     wine_tsx11_lock();
156     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
157     XSetGraphicsExposures( gdi_display, physDev->gc, False );
158     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
159     XFlush( gdi_display );
160     wine_tsx11_unlock();
161     return TRUE;
162 }
163
164
165 /**********************************************************************
166  *           X11DRV_DeleteDC
167  */
168 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
169 {
170     if(physDev->xrender)
171       X11DRV_XRender_DeleteDC( physDev );
172     DeleteObject( physDev->region );
173     wine_tsx11_lock();
174     XFreeGC( gdi_display, physDev->gc );
175     wine_tsx11_unlock();
176     HeapFree( GetProcessHeap(), 0, physDev );
177     return TRUE;
178 }
179
180
181 /***********************************************************************
182  *           GetDeviceCaps    (X11DRV.@)
183  */
184 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
185 {
186     switch(cap)
187     {
188     case DRIVERVERSION:
189         return 0x300;
190     case TECHNOLOGY:
191         return DT_RASDISPLAY;
192     case HORZSIZE:
193         return horz_size;
194     case VERTSIZE:
195         return vert_size;
196     case HORZRES:
197         return screen_width;
198     case VERTRES:
199         return screen_height;
200     case DESKTOPHORZRES:
201         return virtual_screen_rect.right - virtual_screen_rect.left;
202     case DESKTOPVERTRES:
203         return virtual_screen_rect.bottom - virtual_screen_rect.top;
204     case BITSPIXEL:
205         return screen_bpp;
206     case PLANES:
207         return 1;
208     case NUMBRUSHES:
209         return -1;
210     case NUMPENS:
211         return -1;
212     case NUMMARKERS:
213         return 0;
214     case NUMFONTS:
215         return 0;
216     case NUMCOLORS:
217         /* MSDN: Number of entries in the device's color table, if the device has
218          * a color depth of no more than 8 bits per pixel.For devices with greater
219          * color depths, -1 is returned. */
220         return (screen_depth > 8) ? -1 : (1 << screen_depth);
221     case PDEVICESIZE:
222         return sizeof(X11DRV_PDEVICE);
223     case CURVECAPS:
224         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
225                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
226     case LINECAPS:
227         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
228                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
229     case POLYGONALCAPS:
230         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
231                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
232     case TEXTCAPS:
233         return text_caps;
234     case CLIPCAPS:
235         return CP_REGION;
236     case RASTERCAPS:
237         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
238                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
239                 (palette_size ? RC_PALETTE : 0));
240     case SHADEBLENDCAPS:
241         return (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
242     case ASPECTX:
243     case ASPECTY:
244         return 36;
245     case ASPECTXY:
246         return 51;
247     case LOGPIXELSX:
248         return log_pixels_x;
249     case LOGPIXELSY:
250         return log_pixels_y;
251     case CAPS1:
252         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
253         /* please see wingdi.h for the possible bit-flag values that need
254            to be returned. */
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 BLTALIGNMENT:
268         return 0;
269     default:
270         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
271         return 0;
272     }
273 }
274
275
276 /**********************************************************************
277  *           ExtEscape  (X11DRV.@)
278  */
279 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
280                       INT out_count, LPVOID out_data )
281 {
282     switch(escape)
283     {
284     case QUERYESCSUPPORT:
285         if (in_data)
286         {
287             switch (*(const INT *)in_data)
288             {
289             case DCICOMMAND:
290                 return DD_HAL_VERSION;
291             case X11DRV_ESCAPE:
292                 return TRUE;
293             }
294         }
295         break;
296
297     case DCICOMMAND:
298         if (in_data)
299         {
300             const DCICMD *lpCmd = in_data;
301             if (lpCmd->dwVersion != DD_VERSION) break;
302             return X11DRV_DCICommand(in_count, lpCmd, out_data);
303         }
304         break;
305
306     case X11DRV_ESCAPE:
307         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
308         {
309             switch(*(const enum x11drv_escape_codes *)in_data)
310             {
311             case X11DRV_GET_DISPLAY:
312                 if (out_count >= sizeof(Display *))
313                 {
314                     *(Display **)out_data = gdi_display;
315                     return TRUE;
316                 }
317                 break;
318             case X11DRV_GET_DRAWABLE:
319                 if (out_count >= sizeof(Drawable))
320                 {
321                     *(Drawable *)out_data = physDev->drawable;
322                     return TRUE;
323                 }
324                 break;
325             case X11DRV_GET_FONT:
326                 if (out_count >= sizeof(Font))
327                 {
328                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
329                     if (pfo == NULL) return FALSE;
330                     *(Font *)out_data = pfo->fs->fid;
331                     return TRUE;
332                 }
333                 break;
334             case X11DRV_SET_DRAWABLE:
335                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
336                 {
337                     const struct x11drv_escape_set_drawable *data = (const struct x11drv_escape_set_drawable *)in_data;
338                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
339                     physDev->dc_rect = data->dc_rect;
340                     physDev->drawable = data->drawable;
341                     physDev->drawable_rect = data->drawable_rect;
342                     physDev->current_pf = pixelformat_from_fbconfig_id( data->fbconfig_id );
343                     physDev->gl_drawable = data->gl_drawable;
344                     physDev->pixmap = data->pixmap;
345                     physDev->gl_copy = data->gl_copy;
346                     wine_tsx11_lock();
347                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
348                     wine_tsx11_unlock();
349                     TRACE( "SET_DRAWABLE hdc %p drawable %lx gl_drawable %lx pf %u dc_rect %s drawable_rect %s\n",
350                            physDev->hdc, physDev->drawable, physDev->gl_drawable, physDev->current_pf,
351                            wine_dbgstr_rect(&physDev->dc_rect), wine_dbgstr_rect(&physDev->drawable_rect) );
352                     return TRUE;
353                 }
354                 break;
355             case X11DRV_START_EXPOSURES:
356                 wine_tsx11_lock();
357                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
358                 wine_tsx11_unlock();
359                 physDev->exposures = 0;
360                 return TRUE;
361             case X11DRV_END_EXPOSURES:
362                 if (out_count >= sizeof(HRGN))
363                 {
364                     HRGN hrgn = 0, tmp = 0;
365
366                     wine_tsx11_lock();
367                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
368                     wine_tsx11_unlock();
369                     if (physDev->exposures)
370                     {
371                         for (;;)
372                         {
373                             XEvent event;
374
375                             wine_tsx11_lock();
376                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
377                             wine_tsx11_unlock();
378                             if (event.type == NoExpose) break;
379                             if (event.type == GraphicsExpose)
380                             {
381                                 int x = event.xgraphicsexpose.x - physDev->dc_rect.left;
382                                 int y = event.xgraphicsexpose.y - physDev->dc_rect.top;
383
384                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
385                                        event.xgraphicsexpose.width,
386                                        event.xgraphicsexpose.height,
387                                        event.xgraphicsexpose.count );
388
389                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
390                                 SetRectRgn( tmp, x, y,
391                                             x + event.xgraphicsexpose.width,
392                                             y + event.xgraphicsexpose.height );
393                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
394                                 else
395                                 {
396                                     hrgn = tmp;
397                                     tmp = 0;
398                                 }
399                                 if (!event.xgraphicsexpose.count) break;
400                             }
401                             else
402                             {
403                                 ERR( "got unexpected event %d\n", event.type );
404                                 break;
405                             }
406                         }
407                         if (tmp) DeleteObject( tmp );
408                     }
409                     *(HRGN *)out_data = hrgn;
410                     return TRUE;
411                 }
412                 break;
413             case X11DRV_GET_DCE:
414             case X11DRV_SET_DCE:
415                 FIXME( "%x escape no longer supported\n", *(const enum x11drv_escape_codes *)in_data );
416                 break;
417             case X11DRV_GET_GLX_DRAWABLE:
418                 if (out_count >= sizeof(Drawable))
419                 {
420                     *(Drawable *)out_data = get_glxdrawable(physDev);
421                     return TRUE;
422                 }
423                 break;
424             case X11DRV_SYNC_PIXMAP:
425                 if(physDev->bitmap)
426                 {
427                     X11DRV_CoerceDIBSection(physDev, DIB_Status_GdiMod);
428                     return TRUE;
429                 }
430                 return FALSE;
431             case X11DRV_FLUSH_GL_DRAWABLE:
432                 flush_gl_drawable(physDev);
433                 return TRUE;
434             }
435         }
436         break;
437     }
438     return 0;
439 }