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 <X11/cursorfont.h>
  23 #include <X11/Xlib.h>
  24
  25 #include "x11drv.h"
  26
  27 /* avoid conflict with field names in included win32 headers */
  28 #undef Status
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  32
  33 /* data for resolution changing */
  34 static struct x11drv_mode_info *dd_modes;
  35 static unsigned int dd_mode_count;
  36
  37 static unsigned int max_width;
  38 static unsigned int max_height;
  39
  40 static struct screen_size {
  41     unsigned int width;
  42     unsigned int height;
  43 } screen_sizes[] = {
  44     /* 4:3 */
  45     { 320,  240},
  46     { 400,  300},
  47     { 512,  384},
  48     { 640,  480},
  49     { 768,  576},
  50     { 800,  600},
  51     {1024,  768},
  52     {1152,  864},
  53     {1280,  960},
  54     {1400, 1050},
  55     {1600, 1200},
  56     {2048, 1536},
  57     /* 5:4 */
  58     {1280, 1024},
  59     {2560, 2048},
  60     /* 16:9 */
  61     {1280,  720},
  62     {1366,  768},
  63     {1600,  900},
  64     {1920, 1080},
  65     {2560, 1440},
  66     {3840, 2160},
  67     /* 16:10 */
  68     { 320,  200},
  69     { 640,  400},
  70     {1280,  800},
  71     {1440,  900},
  72     {1680, 1050},
  73     {1920, 1200},
  74     {2560, 1600}
  75 };
  76 #define NUM_DESKTOP_MODES (sizeof(screen_sizes) / sizeof(struct screen_size))
  77
  78 #define _NET_WM_STATE_REMOVE 0
  79 #define _NET_WM_STATE_ADD 1
  80
  81 /* create the mode structures */
  82 static void make_modes(void)
  83 {
  84     RECT primary_rect = get_primary_monitor_rect();
  85     unsigned int i;
  86     unsigned int screen_width = primary_rect.right - primary_rect.left;
  87     unsigned int screen_height = primary_rect.bottom - primary_rect.top;
  88
  89     /* original specified desktop size */
  90     X11DRV_Settings_AddOneMode(screen_width, screen_height, 0, 60);
  91     for (i=0; i<NUM_DESKTOP_MODES; i++)
  92     {
  93         if ( (screen_sizes[i].width <= max_width) && (screen_sizes[i].height <= max_height) )
  94         {
  95             if ( ( (screen_sizes[i].width != max_width) || (screen_sizes[i].height != max_height) ) &&
  96                  ( (screen_sizes[i].width != screen_width) || (screen_sizes[i].height != screen_height) ) )
  97             {
  98                 /* only add them if they are smaller than the root window and unique */
  99                 X11DRV_Settings_AddOneMode(screen_sizes[i].width, screen_sizes[i].height, 0, 60);
 100             }
 101         }
 102     }
 103     if ((max_width != screen_width) && (max_height != screen_height))
 104     {
 105         /* root window size (if different from desktop window) */
 106         X11DRV_Settings_AddOneMode(max_width, max_height, 0, 60);
 107     }
 108 }
 109
 110 static int X11DRV_desktop_GetCurrentMode(void)
 111 {
 112     unsigned int i;
 113     DWORD dwBpp = screen_bpp;
 114     RECT primary_rect = get_primary_monitor_rect();
 115
 116     for (i=0; i<dd_mode_count; i++)
 117     {
 118         if ( (primary_rect.right - primary_rect.left == dd_modes[i].width) &&
 119              (primary_rect.bottom - primary_rect.top == dd_modes[i].height) &&
 120              (dwBpp == dd_modes[i].bpp))
 121             return i;
 122     }
 123     ERR("In unknown mode, returning default\n");
 124     return 0;
 125 }
 126
 127 static LONG X11DRV_desktop_SetCurrentMode(int mode)
 128 {
 129     DWORD dwBpp = screen_bpp;
 130     if (dwBpp != dd_modes[mode].bpp)
 131     {
 132         FIXME("Cannot change screen BPP from %d to %d\n", dwBpp, dd_modes[mode].bpp);
 133         /* Ignore the depth mismatch
 134          *
 135          * Some (older) applications require a specific bit depth, this will allow them
 136          * to run. X11drv performs a color depth conversion if needed.
 137          */
 138     }
 139     TRACE("Resizing Wine desktop window to %dx%d\n", dd_modes[mode].width, dd_modes[mode].height);
 140     X11DRV_resize_desktop(dd_modes[mode].width, dd_modes[mode].height);
 141     return DISP_CHANGE_SUCCESSFUL;
 142 }
 143
 144 /***********************************************************************
 145  *              X11DRV_init_desktop
 146  *
 147  * Setup the desktop when not using the root window.
 148  */
 149 void X11DRV_init_desktop( Window win, unsigned int width, unsigned int height )
 150 {
 151     RECT primary_rect = get_primary_monitor_rect();
 152
 153     root_window = win;
 154     managed_mode = FALSE;  /* no managed windows in desktop mode */
 155     max_width = primary_rect.right - primary_rect.left;
 156     max_height = primary_rect.bottom - primary_rect.top;
 157     xinerama_init( width, height );
 158
 159     /* initialize the available resolutions */
 160     dd_modes = X11DRV_Settings_SetHandlers("desktop",
 161                                            X11DRV_desktop_GetCurrentMode,
 162                                            X11DRV_desktop_SetCurrentMode,
 163                                            NUM_DESKTOP_MODES+2, 1);
 164     make_modes();
 165     X11DRV_Settings_AddDepthModes();
 166     dd_mode_count = X11DRV_Settings_GetModeCount();
 167 }
 168
 169
 170 /***********************************************************************
 171  *              X11DRV_create_desktop
 172  *
 173  * Create the X11 desktop window for the desktop mode.
 174  */
 175 BOOL CDECL X11DRV_create_desktop( UINT width, UINT height )
 176 {
 177     XSetWindowAttributes win_attr;
 178     Window win;
 179     Display *display = thread_init_display();
 180     RECT rect;
 181
 182     TRACE( "%u x %u\n", width, height );
 183
 184     /* Create window */
 185     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | EnterWindowMask |
 186                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask;
 187     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 188
 189     if (default_visual.visual != DefaultVisual( display, DefaultScreen(display) ))
 190         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 191                                              default_visual.visual, AllocNone );
 192     else
 193         win_attr.colormap = None;
 194
 195     win = XCreateWindow( display, DefaultRootWindow(display),
 196                          0, 0, width, height, 0, default_visual.depth, InputOutput, default_visual.visual,
 197                          CWEventMask | CWCursor | CWColormap, &win_attr );
 198     if (!win) return FALSE;
 199
 200     SetRect( &rect, 0, 0, width, height );
 201     if (is_window_rect_fullscreen( &rect ))
 202     {
 203         TRACE("setting desktop to fullscreen\n");
 204         XChangeProperty( display, win, x11drv_atom(_NET_WM_STATE), XA_ATOM, 32,
 205             PropModeReplace, (unsigned char*)&x11drv_atom(_NET_WM_STATE_FULLSCREEN),
 206             1);
 207     }
 208     if (!create_desktop_win_data( win )) return FALSE;
 209     XFlush( display );
 210     X11DRV_init_desktop( win, width, height );
 211     return TRUE;
 212 }
 213
 214
 215 struct desktop_resize_data
 216 {
 217     RECT  old_virtual_rect;
 218     RECT  new_virtual_rect;
 219 };
 220
 221 static BOOL CALLBACK update_windows_on_desktop_resize( HWND hwnd, LPARAM lparam )
 222 {
 223     struct x11drv_win_data *data;
 224     struct desktop_resize_data *resize_data = (struct desktop_resize_data *)lparam;
 225     int mask = 0;
 226
 227     if (!(data = get_win_data( hwnd ))) return TRUE;
 228
 229     /* update the full screen state */
 230     update_net_wm_states( data );
 231
 232     if (resize_data->old_virtual_rect.left != resize_data->new_virtual_rect.left) mask |= CWX;
 233     if (resize_data->old_virtual_rect.top != resize_data->new_virtual_rect.top) mask |= CWY;
 234     if (mask && data->whole_window)
 235     {
 236         POINT pos = virtual_screen_to_root( data->whole_rect.left, data->whole_rect.top );
 237         XWindowChanges changes;
 238         changes.x = pos.x;
 239         changes.y = pos.y;
 240         XReconfigureWMWindow( data->display, data->whole_window, data->vis.screen, mask, &changes );
 241     }
 242     release_win_data( data );
 243     if (hwnd == GetForegroundWindow()) clip_fullscreen_window( hwnd, TRUE );
 244     return TRUE;
 245 }
 246
 247 BOOL is_desktop_fullscreen(void)
 248 {
 249     RECT primary_rect = get_primary_monitor_rect();
 250     return (primary_rect.right - primary_rect.left == max_width &&
 251             primary_rect.bottom - primary_rect.top == max_height);
 252 }
 253
 254 static void update_desktop_fullscreen( unsigned int width, unsigned int height)
 255 {
 256     Display *display = thread_display();
 257     XEvent xev;
 258
 259     if (!display || root_window == DefaultRootWindow( display )) return;
 260
 261     xev.xclient.type = ClientMessage;
 262     xev.xclient.window = root_window;
 263     xev.xclient.message_type = x11drv_atom(_NET_WM_STATE);
 264     xev.xclient.serial = 0;
 265     xev.xclient.display = display;
 266     xev.xclient.send_event = True;
 267     xev.xclient.format = 32;
 268     if (width == max_width && height == max_height)
 269         xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
 270     else
 271         xev.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
 272     xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_FULLSCREEN);
 273     xev.xclient.data.l[2] = 0;
 274     xev.xclient.data.l[3] = 1;
 275
 276     TRACE("action=%li\n", xev.xclient.data.l[0]);
 277
 278     XSendEvent( display, DefaultRootWindow(display), False,
 279                 SubstructureRedirectMask | SubstructureNotifyMask, &xev );
 280
 281     xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_VERT);
 282     xev.xclient.data.l[2] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ);
 283     XSendEvent( display, DefaultRootWindow(display), False,
 284                 SubstructureRedirectMask | SubstructureNotifyMask, &xev );
 285 }
 286
 287 /***********************************************************************
 288  *              X11DRV_resize_desktop
 289  */
 290 void X11DRV_resize_desktop( unsigned int width, unsigned int height )
 291 {
 292     HWND hwnd = GetDesktopWindow();
 293     struct desktop_resize_data resize_data;
 294
 295     resize_data.old_virtual_rect = get_virtual_screen_rect();
 296
 297     xinerama_init( width, height );
 298     resize_data.new_virtual_rect = get_virtual_screen_rect();
 299
 300     if (GetWindowThreadProcessId( hwnd, NULL ) != GetCurrentThreadId())
 301     {
 302         SendMessageW( hwnd, WM_X11DRV_RESIZE_DESKTOP, 0, MAKELPARAM( width, height ) );
 303     }
 304     else
 305     {
 306         TRACE( "desktop %p change to (%dx%d)\n", hwnd, width, height );
 307         update_desktop_fullscreen( width, height );
 308         SetWindowPos( hwnd, 0, resize_data.new_virtual_rect.left, resize_data.new_virtual_rect.top,
 309                       resize_data.new_virtual_rect.right - resize_data.new_virtual_rect.left,
 310                       resize_data.new_virtual_rect.bottom - resize_data.new_virtual_rect.top,
 311                       SWP_NOZORDER | SWP_NOACTIVATE | SWP_DEFERERASE );
 312         ungrab_clipping_window();
 313         SendMessageTimeoutW( HWND_BROADCAST, WM_DISPLAYCHANGE, screen_bpp,
 314                              MAKELPARAM( width, height ), SMTO_ABORTIFHUNG, 2000, NULL );
 315     }
 316
 317     EnumWindows( update_windows_on_desktop_resize, (LPARAM)&resize_data );
 318 }