dlls/winex11.drv/desktop.c

   1 /*
   2  * X11DRV desktop window handling
   3  *
   4  * Copyright 2001 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 #include <stdlib.h>
  23 #include <string.h>
  24 #include <X11/cursorfont.h>
  25 #include <X11/Xlib.h>
  26
  27 #include "win.h"
  28 #include "x11drv.h"
  29
  30 /* avoid conflict with field names in included win32 headers */
  31 #undef Status
  32 #include "ddrawi.h"
  33 #include "winreg.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  37
  38 /* data for resolution changing */
  39 static LPDDHALMODEINFO dd_modes;
  40 static unsigned int dd_mode_count;
  41
  42 static unsigned int max_width;
  43 static unsigned int max_height;
  44
  45 static const unsigned int widths[]  = {320, 400, 512, 640, 800, 1024, 1152, 1280, 1400, 1600};
  46 static const unsigned int heights[] = {200, 300, 384, 480, 600,  768,  864, 1024, 1050, 1200};
  47 #define NUM_DESKTOP_MODES (sizeof(widths) / sizeof(widths[0]))
  48
  49 /* create the mode structures */
  50 static void make_modes(char * refresh_rates)
  51 {
  52     char *elem;
  53     unsigned int refresh_rate;
  54     int i;
  55
  56     for(; ( elem = strsep(&refresh_rates, ",") ) && *elem && 0 <= ( refresh_rate = strtol(elem , NULL, 0) ); ) {
  57         /* original specified desktop size */
  58         X11DRV_Settings_AddOneMode(screen_width, screen_height, 0, refresh_rate);
  59         for (i=0; i<NUM_DESKTOP_MODES; i++)
  60         {
  61             if ( (widths[i] <= max_width) && (heights[i] <= max_height) )
  62             {
  63                 if ( ( (widths[i] != max_width) || (heights[i] != max_height) ) &&
  64                      ( (widths[i] != screen_width) || (heights[i] != screen_height) ) )
  65                 {
  66                     /* only add them if they are smaller than the root window and unique */
  67                     X11DRV_Settings_AddOneMode(widths[i], heights[i], 0, refresh_rate);
  68                 }
  69             }
  70         }
  71         if ((max_width != screen_width) && (max_height != screen_height))
  72         {
  73             /* root window size (if different from desktop window) */
  74             X11DRV_Settings_AddOneMode(max_width, max_height, 0, refresh_rate);
  75         }
  76     }
  77 }
  78
  79 static int X11DRV_desktop_GetCurrentMode(void)
  80 {
  81     unsigned int i;
  82     DWORD dwBpp = screen_bpp;
  83     for (i=0; i<dd_mode_count; i++)
  84     {
  85         if ( (screen_width == dd_modes[i].dwWidth) &&
  86              (screen_height == dd_modes[i].dwHeight) &&
  87              (dwBpp == dd_modes[i].dwBPP))
  88             return i;
  89     }
  90     ERR("In unknown mode, returning default\n");
  91     return 0;
  92 }
  93
  94 static LONG X11DRV_desktop_SetCurrentMode(int mode)
  95 {
  96     DWORD dwBpp = screen_bpp;
  97     if (dwBpp != dd_modes[mode].dwBPP)
  98     {
  99         FIXME("Cannot change screen BPP from %d to %d\n", dwBpp, dd_modes[mode].dwBPP);
 100         /* Ignore the depth mismatch
 101          *
 102          * Some (older) applications require a specific bit depth, this will allow them
 103          * to run. X11drv performs a color depth conversion if needed.
 104          */
 105     }
 106     TRACE("Resizing Wine desktop window to %dx%d\n", dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
 107     X11DRV_resize_desktop(dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
 108     return DISP_CHANGE_SUCCESSFUL;
 109 }
 110
 111 /***********************************************************************
 112  *              X11DRV_init_desktop
 113  *
 114  * Setup the desktop when not using the root window.
 115  */
 116 void X11DRV_init_desktop( Window win, unsigned int width, unsigned int height )
 117 {
 118     HKEY hkey;
 119     char buffer[64] = "60\0";
 120     char buffer_copy[64];
 121     int refresh_count = 0;
 122     char *elem, *bufferp = buffer_copy;
 123     root_window = win;
 124     managed_mode = 0;  /* no managed windows in desktop mode */
 125     max_width = screen_width;
 126     max_height = screen_height;
 127     xinerama_init( width, height );
 128
 129     /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
 130     if ( !RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\X11 Driver", &hkey ) ) {
 131         DWORD count = sizeof(buffer);
 132         RegQueryValueExA(hkey, "FakeRefreshRate", 0, NULL, (LPBYTE)buffer, &count);
 133         RegCloseKey(hkey);
 134     }
 135     strcpy(buffer_copy, buffer);
 136     for(; ( elem = strsep(&bufferp, ",") ) && *elem && 0 <= strtol(elem , NULL, 0); )
 137         refresh_count++;
 138
 139     /* initialize the available resolutions */
 140     dd_modes = X11DRV_Settings_SetHandlers("desktop",
 141                                            X11DRV_desktop_GetCurrentMode,
 142                                            X11DRV_desktop_SetCurrentMode,
 143                                            (NUM_DESKTOP_MODES+2)*refresh_count, 1);
 144     make_modes(buffer);
 145     X11DRV_Settings_AddDepthModes();
 146     dd_mode_count = X11DRV_Settings_GetModeCount();
 147 }
 148
 149
 150 /***********************************************************************
 151  *              X11DRV_create_desktop
 152  *
 153  * Create the X11 desktop window for the desktop mode.
 154  */
 155 Window X11DRV_create_desktop( UINT width, UINT height )
 156 {
 157     XSetWindowAttributes win_attr;
 158     Window win;
 159     Display *display = thread_display();
 160
 161     wine_tsx11_lock();
 162
 163     /* Create window */
 164     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 165                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask;
 166     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 167
 168     if (visual != DefaultVisual( display, DefaultScreen(display) ))
 169         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 170                                              visual, AllocNone );
 171     else
 172         win_attr.colormap = None;
 173
 174     win = XCreateWindow( display, DefaultRootWindow(display),
 175                          0, 0, width, height, 0, screen_depth, InputOutput, visual,
 176                          CWEventMask | CWCursor | CWColormap, &win_attr );
 177     XFlush( display );
 178     wine_tsx11_unlock();
 179     if (win != None) X11DRV_init_desktop( win, width, height );
 180     return win;
 181 }