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 #include "wine/heap.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  33
  34 /* data for resolution changing */
  35 static struct x11drv_mode_info *dd_modes;
  36 static unsigned int dd_mode_count;
  37
  38 static unsigned int max_width;
  39 static unsigned int max_height;
  40 static unsigned int desktop_width;
  41 static unsigned int desktop_height;
  42
  43 static struct screen_size {
  44     unsigned int width;
  45     unsigned int height;
  46 } screen_sizes[] = {
  47     /* 4:3 */
  48     { 320,  240},
  49     { 400,  300},
  50     { 512,  384},
  51     { 640,  480},
  52     { 768,  576},
  53     { 800,  600},
  54     {1024,  768},
  55     {1152,  864},
  56     {1280,  960},
  57     {1400, 1050},
  58     {1600, 1200},
  59     {2048, 1536},
  60     /* 5:4 */
  61     {1280, 1024},
  62     {2560, 2048},
  63     /* 16:9 */
  64     {1280,  720},
  65     {1366,  768},
  66     {1600,  900},
  67     {1920, 1080},
  68     {2560, 1440},
  69     {3840, 2160},
  70     /* 16:10 */
  71     { 320,  200},
  72     { 640,  400},
  73     {1280,  800},
  74     {1440,  900},
  75     {1680, 1050},
  76     {1920, 1200},
  77     {2560, 1600}
  78 };
  79
  80 #define _NET_WM_STATE_REMOVE 0
  81 #define _NET_WM_STATE_ADD 1
  82
  83 /* Return TRUE if Wine is currently in virtual desktop mode */
  84 BOOL is_virtual_desktop(void)
  85 {
  86     return root_window != DefaultRootWindow( gdi_display );
  87 }
  88
  89 /* create the mode structures */
  90 static void make_modes(void)
  91 {
  92     RECT primary_rect = get_primary_monitor_rect();
  93     unsigned int i;
  94     unsigned int screen_width = primary_rect.right - primary_rect.left;
  95     unsigned int screen_height = primary_rect.bottom - primary_rect.top;
  96
  97     /* original specified desktop size */
  98     X11DRV_Settings_AddOneMode(screen_width, screen_height, 0, 60);
  99     for (i=0; i<ARRAY_SIZE(screen_sizes); i++)
 100     {
 101         if ( (screen_sizes[i].width <= max_width) && (screen_sizes[i].height <= max_height) )
 102         {
 103             if ( ( (screen_sizes[i].width != max_width) || (screen_sizes[i].height != max_height) ) &&
 104                  ( (screen_sizes[i].width != screen_width) || (screen_sizes[i].height != screen_height) ) )
 105             {
 106                 /* only add them if they are smaller than the root window and unique */
 107                 X11DRV_Settings_AddOneMode(screen_sizes[i].width, screen_sizes[i].height, 0, 60);
 108             }
 109         }
 110     }
 111     if ((max_width != screen_width) && (max_height != screen_height))
 112     {
 113         /* root window size (if different from desktop window) */
 114         X11DRV_Settings_AddOneMode(max_width, max_height, 0, 60);
 115     }
 116 }
 117
 118 static int X11DRV_desktop_GetCurrentMode(void)
 119 {
 120     unsigned int i;
 121     DWORD dwBpp = screen_bpp;
 122     RECT primary_rect = get_primary_monitor_rect();
 123
 124     for (i=0; i<dd_mode_count; i++)
 125     {
 126         if ( (primary_rect.right - primary_rect.left == dd_modes[i].width) &&
 127              (primary_rect.bottom - primary_rect.top == dd_modes[i].height) &&
 128              (dwBpp == dd_modes[i].bpp))
 129             return i;
 130     }
 131     ERR("In unknown mode, returning default\n");
 132     return 0;
 133 }
 134
 135 static LONG X11DRV_desktop_SetCurrentMode(int mode)
 136 {
 137     DWORD dwBpp = screen_bpp;
 138     if (dwBpp != dd_modes[mode].bpp)
 139     {
 140         FIXME("Cannot change screen BPP from %d to %d\n", dwBpp, dd_modes[mode].bpp);
 141         /* Ignore the depth mismatch
 142          *
 143          * Some (older) applications require a specific bit depth, this will allow them
 144          * to run. X11drv performs a color depth conversion if needed.
 145          */
 146     }
 147     TRACE("Resizing Wine desktop window to %dx%d\n", dd_modes[mode].width, dd_modes[mode].height);
 148     X11DRV_resize_desktop(dd_modes[mode].width, dd_modes[mode].height);
 149     return DISP_CHANGE_SUCCESSFUL;
 150 }
 151
 152 static void query_desktop_work_area( RECT *rc_work )
 153 {
 154     static const WCHAR trayW[] = {'S','h','e','l','l','_','T','r','a','y','W','n','d',0};
 155     RECT rect;
 156     HWND hwnd = FindWindowW( trayW, NULL );
 157
 158     if (!hwnd || !IsWindowVisible( hwnd )) return;
 159     if (!GetWindowRect( hwnd, &rect )) return;
 160     if (rect.top) rc_work->bottom = rect.top;
 161     else rc_work->top = rect.bottom;
 162     TRACE( "found tray %p %s work area %s\n", hwnd, wine_dbgstr_rect( &rect ), wine_dbgstr_rect( rc_work ) );
 163 }
 164
 165 static BOOL X11DRV_desktop_get_gpus( struct x11drv_gpu **new_gpus, int *count )
 166 {
 167     static const WCHAR wine_adapterW[] = {'W','i','n','e',' ','A','d','a','p','t','e','r',0};
 168     struct x11drv_gpu *gpu;
 169
 170     gpu = heap_calloc( 1, sizeof(*gpu) );
 171     if (!gpu) return FALSE;
 172
 173     lstrcpyW( gpu->name, wine_adapterW );
 174     *new_gpus = gpu;
 175     *count = 1;
 176     return TRUE;
 177 }
 178
 179 static void X11DRV_desktop_free_gpus( struct x11drv_gpu *gpus )
 180 {
 181     heap_free( gpus );
 182 }
 183
 184 /* TODO: Support multi-head virtual desktop */
 185 static BOOL X11DRV_desktop_get_adapters( ULONG_PTR gpu_id, struct x11drv_adapter **new_adapters, int *count )
 186 {
 187     struct x11drv_adapter *adapter;
 188
 189     adapter = heap_calloc( 1, sizeof(*adapter) );
 190     if (!adapter) return FALSE;
 191
 192     adapter->state_flags = DISPLAY_DEVICE_PRIMARY_DEVICE;
 193     if (desktop_width && desktop_height)
 194         adapter->state_flags |= DISPLAY_DEVICE_ATTACHED_TO_DESKTOP;
 195
 196     *new_adapters = adapter;
 197     *count = 1;
 198     return TRUE;
 199 }
 200
 201 static void X11DRV_desktop_free_adapters( struct x11drv_adapter *adapters )
 202 {
 203     heap_free( adapters );
 204 }
 205
 206 static BOOL X11DRV_desktop_get_monitors( ULONG_PTR adapter_id, struct x11drv_monitor **new_monitors, int *count )
 207 {
 208     static const WCHAR generic_nonpnp_monitorW[] = {
 209         'G','e','n','e','r','i','c',' ',
 210         'N','o','n','-','P','n','P',' ','M','o','n','i','t','o','r',0};
 211     struct x11drv_monitor *monitor;
 212
 213     monitor = heap_calloc( 1, sizeof(*monitor) );
 214     if (!monitor) return FALSE;
 215
 216     lstrcpyW( monitor->name, generic_nonpnp_monitorW );
 217     SetRect( &monitor->rc_monitor, 0, 0, desktop_width, desktop_height );
 218     SetRect( &monitor->rc_work, 0, 0, desktop_width, desktop_height );
 219     query_desktop_work_area( &monitor->rc_work );
 220     monitor->state_flags = DISPLAY_DEVICE_ATTACHED;
 221     if (desktop_width && desktop_height)
 222         monitor->state_flags |= DISPLAY_DEVICE_ACTIVE;
 223
 224     *new_monitors = monitor;
 225     *count = 1;
 226     return TRUE;
 227 }
 228
 229 static void X11DRV_desktop_free_monitors( struct x11drv_monitor *monitors )
 230 {
 231     heap_free( monitors );
 232 }
 233
 234 /***********************************************************************
 235  *              X11DRV_init_desktop
 236  *
 237  * Setup the desktop when not using the root window.
 238  */
 239 void X11DRV_init_desktop( Window win, unsigned int width, unsigned int height )
 240 {
 241     RECT primary_rect = get_host_primary_monitor_rect();
 242
 243     root_window = win;
 244     managed_mode = FALSE;  /* no managed windows in desktop mode */
 245     desktop_width = width;
 246     desktop_height = height;
 247     max_width = primary_rect.right;
 248     max_height = primary_rect.bottom;
 249
 250     /* Initialize virtual desktop mode display device handler */
 251     desktop_handler.name = "Virtual Desktop";
 252     desktop_handler.get_gpus = X11DRV_desktop_get_gpus;
 253     desktop_handler.get_adapters = X11DRV_desktop_get_adapters;
 254     desktop_handler.get_monitors = X11DRV_desktop_get_monitors;
 255     desktop_handler.free_gpus = X11DRV_desktop_free_gpus;
 256     desktop_handler.free_adapters = X11DRV_desktop_free_adapters;
 257     desktop_handler.free_monitors = X11DRV_desktop_free_monitors;
 258     desktop_handler.register_event_handlers = NULL;
 259     TRACE("Display device functions are now handled by: Virtual Desktop\n");
 260     X11DRV_DisplayDevices_Init( TRUE );
 261
 262     /* initialize the available resolutions */
 263     dd_modes = X11DRV_Settings_SetHandlers("desktop",
 264                                            X11DRV_desktop_GetCurrentMode,
 265                                            X11DRV_desktop_SetCurrentMode,
 266                                            ARRAY_SIZE(screen_sizes)+2, 1);
 267     make_modes();
 268     X11DRV_Settings_AddDepthModes();
 269     dd_mode_count = X11DRV_Settings_GetModeCount();
 270 }
 271
 272
 273 /***********************************************************************
 274  *              X11DRV_create_desktop
 275  *
 276  * Create the X11 desktop window for the desktop mode.
 277  */
 278 BOOL CDECL X11DRV_create_desktop( UINT width, UINT height )
 279 {
 280     static const WCHAR rootW[] = {'r','o','o','t',0};
 281     XSetWindowAttributes win_attr;
 282     Window win;
 283     Display *display = thread_init_display();
 284     WCHAR name[MAX_PATH];
 285
 286     if (!GetUserObjectInformationW( GetThreadDesktop( GetCurrentThreadId() ),
 287                                     UOI_NAME, name, sizeof(name), NULL ))
 288         name[0] = 0;
 289
 290     TRACE( "%s %ux%u\n", debugstr_w(name), width, height );
 291
 292     /* magic: desktop "root" means use the root window */
 293     if (!lstrcmpiW( name, rootW )) return FALSE;
 294
 295     /* Create window */
 296     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | EnterWindowMask |
 297                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask;
 298     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 299
 300     if (default_visual.visual != DefaultVisual( display, DefaultScreen(display) ))
 301         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 302                                              default_visual.visual, AllocNone );
 303     else
 304         win_attr.colormap = None;
 305
 306     win = XCreateWindow( display, DefaultRootWindow(display),
 307                          0, 0, width, height, 0, default_visual.depth, InputOutput, default_visual.visual,
 308                          CWEventMask | CWCursor | CWColormap, &win_attr );
 309     if (!win) return FALSE;
 310     if (!create_desktop_win_data( win )) return FALSE;
 311
 312     X11DRV_init_desktop( win, width, height );
 313     if (is_desktop_fullscreen())
 314     {
 315         TRACE("setting desktop to fullscreen\n");
 316         XChangeProperty( display, win, x11drv_atom(_NET_WM_STATE), XA_ATOM, 32,
 317             PropModeReplace, (unsigned char*)&x11drv_atom(_NET_WM_STATE_FULLSCREEN),
 318             1);
 319     }
 320     XFlush( display );
 321     return TRUE;
 322 }
 323
 324
 325 struct desktop_resize_data
 326 {
 327     RECT  old_virtual_rect;
 328     RECT  new_virtual_rect;
 329 };
 330
 331 static BOOL CALLBACK update_windows_on_desktop_resize( HWND hwnd, LPARAM lparam )
 332 {
 333     struct x11drv_win_data *data;
 334     struct desktop_resize_data *resize_data = (struct desktop_resize_data *)lparam;
 335     int mask = 0;
 336
 337     if (!(data = get_win_data( hwnd ))) return TRUE;
 338
 339     /* update the full screen state */
 340     update_net_wm_states( data );
 341
 342     if (resize_data->old_virtual_rect.left != resize_data->new_virtual_rect.left) mask |= CWX;
 343     if (resize_data->old_virtual_rect.top != resize_data->new_virtual_rect.top) mask |= CWY;
 344     if (mask && data->whole_window)
 345     {
 346         POINT pos = virtual_screen_to_root( data->whole_rect.left, data->whole_rect.top );
 347         XWindowChanges changes;
 348         changes.x = pos.x;
 349         changes.y = pos.y;
 350         XReconfigureWMWindow( data->display, data->whole_window, data->vis.screen, mask, &changes );
 351     }
 352     release_win_data( data );
 353     if (hwnd == GetForegroundWindow()) clip_fullscreen_window( hwnd, TRUE );
 354     return TRUE;
 355 }
 356
 357 BOOL is_desktop_fullscreen(void)
 358 {
 359     RECT primary_rect = get_primary_monitor_rect();
 360     return (primary_rect.right - primary_rect.left == max_width &&
 361             primary_rect.bottom - primary_rect.top == max_height);
 362 }
 363
 364 static void update_desktop_fullscreen( unsigned int width, unsigned int height)
 365 {
 366     Display *display = thread_display();
 367     XEvent xev;
 368
 369     if (!display || !is_virtual_desktop()) return;
 370
 371     xev.xclient.type = ClientMessage;
 372     xev.xclient.window = root_window;
 373     xev.xclient.message_type = x11drv_atom(_NET_WM_STATE);
 374     xev.xclient.serial = 0;
 375     xev.xclient.display = display;
 376     xev.xclient.send_event = True;
 377     xev.xclient.format = 32;
 378     if (width == max_width && height == max_height)
 379         xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
 380     else
 381         xev.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
 382     xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_FULLSCREEN);
 383     xev.xclient.data.l[2] = 0;
 384     xev.xclient.data.l[3] = 1;
 385
 386     TRACE("action=%li\n", xev.xclient.data.l[0]);
 387
 388     XSendEvent( display, DefaultRootWindow(display), False,
 389                 SubstructureRedirectMask | SubstructureNotifyMask, &xev );
 390
 391     xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_VERT);
 392     xev.xclient.data.l[2] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ);
 393     XSendEvent( display, DefaultRootWindow(display), False,
 394                 SubstructureRedirectMask | SubstructureNotifyMask, &xev );
 395 }
 396
 397 /***********************************************************************
 398  *              X11DRV_resize_desktop
 399  */
 400 void X11DRV_resize_desktop( unsigned int width, unsigned int height )
 401 {
 402     HWND hwnd = GetDesktopWindow();
 403     struct desktop_resize_data resize_data;
 404
 405     resize_data.old_virtual_rect = get_virtual_screen_rect();
 406     desktop_width = width;
 407     desktop_height = height;
 408     X11DRV_DisplayDevices_Init( TRUE );
 409     resize_data.new_virtual_rect = get_virtual_screen_rect();
 410
 411     if (GetWindowThreadProcessId( hwnd, NULL ) != GetCurrentThreadId())
 412     {
 413         SendMessageW( hwnd, WM_X11DRV_RESIZE_DESKTOP, 0, MAKELPARAM( width, height ) );
 414     }
 415     else
 416     {
 417         TRACE( "desktop %p change to (%dx%d)\n", hwnd, width, height );
 418         update_desktop_fullscreen( width, height );
 419         SetWindowPos( hwnd, 0, resize_data.new_virtual_rect.left, resize_data.new_virtual_rect.top,
 420                       resize_data.new_virtual_rect.right - resize_data.new_virtual_rect.left,
 421                       resize_data.new_virtual_rect.bottom - resize_data.new_virtual_rect.top,
 422                       SWP_NOZORDER | SWP_NOACTIVATE | SWP_DEFERERASE );
 423         ungrab_clipping_window();
 424         SendMessageTimeoutW( HWND_BROADCAST, WM_DISPLAYCHANGE, screen_bpp,
 425                              MAKELPARAM( width, height ), SMTO_ABORTIFHUNG, 2000, NULL );
 426     }
 427
 428     EnumWindows( update_windows_on_desktop_resize, (LPARAM)&resize_data );
 429 }