winex11: Handle GravityNotify events for non-toplevel windows.
[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 CDECL 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         physDev->color_shifts = NULL;
142         SetRect( &physDev->drawable_rect, 0, 0, 1, 1 );
143         physDev->dc_rect = physDev->drawable_rect;
144     }
145     else
146     {
147         physDev->bitmap    = NULL;
148         physDev->drawable  = root_window;
149         physDev->depth     = screen_depth;
150         physDev->color_shifts = &X11DRV_PALETTE_default_shifts;
151         physDev->drawable_rect = virtual_screen_rect;
152         SetRect( &physDev->dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
153                  virtual_screen_rect.bottom - virtual_screen_rect.top );
154     }
155     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
156
157     wine_tsx11_lock();
158     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
159     XSetGraphicsExposures( gdi_display, physDev->gc, False );
160     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
161     XFlush( gdi_display );
162     wine_tsx11_unlock();
163     return TRUE;
164 }
165
166
167 /**********************************************************************
168  *           X11DRV_DeleteDC
169  */
170 BOOL CDECL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
171 {
172     if(physDev->xrender)
173       X11DRV_XRender_DeleteDC( physDev );
174     DeleteObject( physDev->region );
175     wine_tsx11_lock();
176     XFreeGC( gdi_display, physDev->gc );
177     wine_tsx11_unlock();
178     HeapFree( GetProcessHeap(), 0, physDev );
179     return TRUE;
180 }
181
182
183 /***********************************************************************
184  *           GetDeviceCaps    (X11DRV.@)
185  */
186 INT CDECL X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
187 {
188     switch(cap)
189     {
190     case DRIVERVERSION:
191         return 0x300;
192     case TECHNOLOGY:
193         return DT_RASDISPLAY;
194     case HORZSIZE:
195         return horz_size;
196     case VERTSIZE:
197         return vert_size;
198     case HORZRES:
199         return screen_width;
200     case VERTRES:
201         return screen_height;
202     case DESKTOPHORZRES:
203         return virtual_screen_rect.right - virtual_screen_rect.left;
204     case DESKTOPVERTRES:
205         return virtual_screen_rect.bottom - virtual_screen_rect.top;
206     case BITSPIXEL:
207         return screen_bpp;
208     case PLANES:
209         return 1;
210     case NUMBRUSHES:
211         return -1;
212     case NUMPENS:
213         return -1;
214     case NUMMARKERS:
215         return 0;
216     case NUMFONTS:
217         return 0;
218     case NUMCOLORS:
219         /* MSDN: Number of entries in the device's color table, if the device has
220          * a color depth of no more than 8 bits per pixel.For devices with greater
221          * color depths, -1 is returned. */
222         return (screen_depth > 8) ? -1 : (1 << screen_depth);
223     case PDEVICESIZE:
224         return sizeof(X11DRV_PDEVICE);
225     case CURVECAPS:
226         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
227                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
228     case LINECAPS:
229         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
230                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
231     case POLYGONALCAPS:
232         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
233                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
234     case TEXTCAPS:
235         return text_caps;
236     case CLIPCAPS:
237         return CP_REGION;
238     case COLORRES:
239         /* The observed correspondence between BITSPIXEL and COLORRES is:
240          * BITSPIXEL: 8  -> COLORRES: 18
241          * BITSPIXEL: 16 -> COLORRES: 16
242          * BITSPIXEL: 24 -> COLORRES: 24
243          * (note that depth_to_bpp never chooses a bpp of 24)
244          * BITSPIXEL: 32 -> COLORRES: 24 */
245         return (screen_bpp <= 8) ? 18 :
246                (screen_bpp == 32) ? 24 : screen_bpp;
247     case RASTERCAPS:
248         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
249                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
250                 (palette_size ? RC_PALETTE : 0));
251     case SHADEBLENDCAPS:
252         return (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
253     case ASPECTX:
254     case ASPECTY:
255         return 36;
256     case ASPECTXY:
257         return 51;
258     case LOGPIXELSX:
259         return log_pixels_x;
260     case LOGPIXELSY:
261         return log_pixels_y;
262     case CAPS1:
263         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
264         /* please see wingdi.h for the possible bit-flag values that need
265            to be returned. */
266         return 0;
267     case SIZEPALETTE:
268         return palette_size;
269     case NUMRESERVED:
270     case PHYSICALWIDTH:
271     case PHYSICALHEIGHT:
272     case PHYSICALOFFSETX:
273     case PHYSICALOFFSETY:
274     case SCALINGFACTORX:
275     case SCALINGFACTORY:
276     case VREFRESH:
277     case BLTALIGNMENT:
278         return 0;
279     default:
280         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
281         return 0;
282     }
283 }
284
285
286 /**********************************************************************
287  *           ExtEscape  (X11DRV.@)
288  */
289 INT CDECL X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
290                             INT out_count, LPVOID out_data )
291 {
292     switch(escape)
293     {
294     case QUERYESCSUPPORT:
295         if (in_data)
296         {
297             switch (*(const INT *)in_data)
298             {
299             case DCICOMMAND:
300                 return DD_HAL_VERSION;
301             case X11DRV_ESCAPE:
302                 return TRUE;
303             }
304         }
305         break;
306
307     case DCICOMMAND:
308         if (in_data)
309         {
310             const DCICMD *lpCmd = in_data;
311             if (lpCmd->dwVersion != DD_VERSION) break;
312             return X11DRV_DCICommand(in_count, lpCmd, out_data);
313         }
314         break;
315
316     case X11DRV_ESCAPE:
317         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
318         {
319             switch(*(const enum x11drv_escape_codes *)in_data)
320             {
321             case X11DRV_GET_DISPLAY:
322                 if (out_count >= sizeof(Display *))
323                 {
324                     *(Display **)out_data = gdi_display;
325                     return TRUE;
326                 }
327                 break;
328             case X11DRV_GET_DRAWABLE:
329                 if (out_count >= sizeof(Drawable))
330                 {
331                     *(Drawable *)out_data = physDev->drawable;
332                     return TRUE;
333                 }
334                 break;
335             case X11DRV_GET_FONT:
336                 if (out_count >= sizeof(Font))
337                 {
338                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
339                     if (pfo == NULL) return FALSE;
340                     *(Font *)out_data = pfo->fs->fid;
341                     return TRUE;
342                 }
343                 break;
344             case X11DRV_SET_DRAWABLE:
345                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
346                 {
347                     const struct x11drv_escape_set_drawable *data = in_data;
348                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
349                     physDev->dc_rect = data->dc_rect;
350                     physDev->drawable = data->drawable;
351                     physDev->drawable_rect = data->drawable_rect;
352                     physDev->current_pf = pixelformat_from_fbconfig_id( data->fbconfig_id );
353                     physDev->gl_drawable = data->gl_drawable;
354                     physDev->pixmap = data->pixmap;
355                     physDev->gl_copy = data->gl_copy;
356                     wine_tsx11_lock();
357                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
358                     wine_tsx11_unlock();
359                     TRACE( "SET_DRAWABLE hdc %p drawable %lx gl_drawable %lx pf %u dc_rect %s drawable_rect %s\n",
360                            physDev->hdc, physDev->drawable, physDev->gl_drawable, physDev->current_pf,
361                            wine_dbgstr_rect(&physDev->dc_rect), wine_dbgstr_rect(&physDev->drawable_rect) );
362                     return TRUE;
363                 }
364                 break;
365             case X11DRV_START_EXPOSURES:
366                 wine_tsx11_lock();
367                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
368                 wine_tsx11_unlock();
369                 physDev->exposures = 0;
370                 return TRUE;
371             case X11DRV_END_EXPOSURES:
372                 if (out_count >= sizeof(HRGN))
373                 {
374                     HRGN hrgn = 0, tmp = 0;
375
376                     wine_tsx11_lock();
377                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
378                     wine_tsx11_unlock();
379                     if (physDev->exposures)
380                     {
381                         for (;;)
382                         {
383                             XEvent event;
384
385                             wine_tsx11_lock();
386                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
387                             wine_tsx11_unlock();
388                             if (event.type == NoExpose) break;
389                             if (event.type == GraphicsExpose)
390                             {
391                                 RECT rect;
392
393                                 rect.left   = event.xgraphicsexpose.x - physDev->dc_rect.left;
394                                 rect.top    = event.xgraphicsexpose.y - physDev->dc_rect.top;
395                                 rect.right  = rect.left + event.xgraphicsexpose.width;
396                                 rect.bottom = rect.top + event.xgraphicsexpose.height;
397                                 if (GetLayout( physDev->hdc ) & LAYOUT_RTL)
398                                     mirror_rect( &physDev->dc_rect, &rect );
399
400                                 TRACE( "got %s count %d\n", wine_dbgstr_rect(&rect),
401                                        event.xgraphicsexpose.count );
402
403                                 if (!tmp) tmp = CreateRectRgnIndirect( &rect );
404                                 else SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
405                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
406                                 else
407                                 {
408                                     hrgn = tmp;
409                                     tmp = 0;
410                                 }
411                                 if (!event.xgraphicsexpose.count) break;
412                             }
413                             else
414                             {
415                                 ERR( "got unexpected event %d\n", event.type );
416                                 break;
417                             }
418                         }
419                         if (tmp) DeleteObject( tmp );
420                     }
421                     *(HRGN *)out_data = hrgn;
422                     return TRUE;
423                 }
424                 break;
425             case X11DRV_GET_DCE:
426             case X11DRV_SET_DCE:
427                 FIXME( "%x escape no longer supported\n", *(const enum x11drv_escape_codes *)in_data );
428                 break;
429             case X11DRV_GET_GLX_DRAWABLE:
430                 if (out_count >= sizeof(Drawable))
431                 {
432                     *(Drawable *)out_data = get_glxdrawable(physDev);
433                     return TRUE;
434                 }
435                 break;
436             case X11DRV_SYNC_PIXMAP:
437                 if(physDev->bitmap)
438                 {
439                     X11DRV_CoerceDIBSection(physDev, DIB_Status_GdiMod);
440                     return TRUE;
441                 }
442                 return FALSE;
443             case X11DRV_FLUSH_GL_DRAWABLE:
444                 flush_gl_drawable(physDev);
445                 return TRUE;
446             }
447         }
448         break;
449     }
450     return 0;
451 }