dlls/winex11.drv/desktop.c

   1 /*
   2  * X11DRV desktop window handling
   3  *
   4  * Copyright 2001 Alexandre Julliard
   5  * Copyright 2020 Zhiyi Zhang for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include <X11/cursorfont.h>
  24 #include <X11/Xlib.h>
  25
  26 #define NONAMELESSSTRUCT
  27 #define NONAMELESSUNION
  28
  29 #include "x11drv.h"
  30
  31 /* avoid conflict with field names in included win32 headers */
  32 #undef Status
  33 #include "wine/debug.h"
  34 #include "wine/heap.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  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 /* Virtual desktop display settings handler */
  90 static BOOL X11DRV_desktop_get_id( const WCHAR *device_name, ULONG_PTR *id )
  91 {
  92     WCHAR primary_adapter[CCHDEVICENAME];
  93
  94     if (!get_primary_adapter( primary_adapter ) || lstrcmpiW( primary_adapter, device_name ))
  95         return FALSE;
  96
  97     *id = 0;
  98     return TRUE;
  99 }
 100
 101 static void add_desktop_mode( DEVMODEW *mode, DWORD depth, DWORD width, DWORD height )
 102 {
 103     mode->dmSize = sizeof(*mode);
 104     mode->dmFields = DM_DISPLAYORIENTATION | DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
 105                      DM_DISPLAYFLAGS | DM_DISPLAYFREQUENCY;
 106     mode->u1.s2.dmDisplayOrientation = DMDO_DEFAULT;
 107     mode->dmBitsPerPel = depth;
 108     mode->dmPelsWidth = width;
 109     mode->dmPelsHeight = height;
 110     mode->u2.dmDisplayFlags = 0;
 111     mode->dmDisplayFrequency = 60;
 112 }
 113
 114 static BOOL X11DRV_desktop_get_modes( ULONG_PTR id, DWORD flags, DEVMODEW **new_modes, UINT *mode_count )
 115 {
 116     UINT depth_idx, size_idx, mode_idx = 0;
 117     UINT screen_width, screen_height;
 118     RECT primary_rect;
 119     DEVMODEW *modes;
 120
 121     primary_rect = get_primary_monitor_rect();
 122     screen_width = primary_rect.right - primary_rect.left;
 123     screen_height = primary_rect.bottom - primary_rect.top;
 124
 125     /* Allocate memory for modes in different color depths */
 126     if (!(modes = heap_calloc( (ARRAY_SIZE(screen_sizes) + 2) * DEPTH_COUNT, sizeof(*modes))) )
 127     {
 128         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 129         return FALSE;
 130     }
 131
 132     for (depth_idx = 0; depth_idx < DEPTH_COUNT; ++depth_idx)
 133     {
 134         for (size_idx = 0; size_idx < ARRAY_SIZE(screen_sizes); ++size_idx)
 135         {
 136             if (screen_sizes[size_idx].width > max_width ||
 137                 screen_sizes[size_idx].height > max_height)
 138                 continue;
 139
 140             if (screen_sizes[size_idx].width == max_width &&
 141                 screen_sizes[size_idx].height == max_height)
 142                 continue;
 143
 144             if (screen_sizes[size_idx].width == screen_width &&
 145                 screen_sizes[size_idx].height == screen_height)
 146                 continue;
 147
 148             add_desktop_mode( &modes[mode_idx++], depths[depth_idx], screen_sizes[size_idx].width,
 149                               screen_sizes[size_idx].height );
 150         }
 151
 152         add_desktop_mode( &modes[mode_idx++], depths[depth_idx], screen_width, screen_height );
 153         if (max_width != screen_width || max_height != screen_height)
 154             add_desktop_mode( &modes[mode_idx++], depths[depth_idx], max_width, max_height );
 155     }
 156
 157     *new_modes = modes;
 158     *mode_count = mode_idx;
 159     return TRUE;
 160 }
 161
 162 static void X11DRV_desktop_free_modes( DEVMODEW *modes )
 163 {
 164     heap_free( modes );
 165 }
 166
 167 static BOOL X11DRV_desktop_get_current_mode( ULONG_PTR id, DEVMODEW *mode )
 168 {
 169     RECT primary_rect = get_primary_monitor_rect();
 170
 171     mode->dmFields = DM_DISPLAYORIENTATION | DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
 172                      DM_DISPLAYFLAGS | DM_DISPLAYFREQUENCY | DM_POSITION;
 173     mode->u1.s2.dmDisplayOrientation = DMDO_DEFAULT;
 174     mode->dmBitsPerPel = screen_bpp;
 175     mode->dmPelsWidth = primary_rect.right - primary_rect.left;
 176     mode->dmPelsHeight = primary_rect.bottom - primary_rect.top;
 177     mode->u2.dmDisplayFlags = 0;
 178     mode->dmDisplayFrequency = 60;
 179     mode->u1.s2.dmPosition.x = 0;
 180     mode->u1.s2.dmPosition.y = 0;
 181     return TRUE;
 182 }
 183
 184 static LONG X11DRV_desktop_set_current_mode( ULONG_PTR id, DEVMODEW *mode )
 185 {
 186     if (mode->dmFields & DM_BITSPERPEL && mode->dmBitsPerPel != screen_bpp)
 187         WARN("Cannot change screen color depth from %dbits to %dbits!\n", screen_bpp, mode->dmBitsPerPel);
 188
 189     desktop_width = mode->dmPelsWidth;
 190     desktop_height = mode->dmPelsHeight;
 191     return DISP_CHANGE_SUCCESSFUL;
 192 }
 193
 194 static void query_desktop_work_area( RECT *rc_work )
 195 {
 196     static const WCHAR trayW[] = {'S','h','e','l','l','_','T','r','a','y','W','n','d',0};
 197     RECT rect;
 198     HWND hwnd = FindWindowW( trayW, NULL );
 199
 200     if (!hwnd || !IsWindowVisible( hwnd )) return;
 201     if (!GetWindowRect( hwnd, &rect )) return;
 202     if (rect.top) rc_work->bottom = rect.top;
 203     else rc_work->top = rect.bottom;
 204     TRACE( "found tray %p %s work area %s\n", hwnd, wine_dbgstr_rect( &rect ), wine_dbgstr_rect( rc_work ) );
 205 }
 206
 207 static BOOL X11DRV_desktop_get_gpus( struct x11drv_gpu **new_gpus, int *count )
 208 {
 209     static const WCHAR wine_adapterW[] = {'W','i','n','e',' ','A','d','a','p','t','e','r',0};
 210     struct x11drv_gpu *gpu;
 211
 212     gpu = heap_calloc( 1, sizeof(*gpu) );
 213     if (!gpu) return FALSE;
 214
 215     if (!get_host_primary_gpu( gpu ))
 216     {
 217         WARN( "Failed to get host primary gpu.\n" );
 218         lstrcpyW( gpu->name, wine_adapterW );
 219     }
 220
 221     *new_gpus = gpu;
 222     *count = 1;
 223     return TRUE;
 224 }
 225
 226 static void X11DRV_desktop_free_gpus( struct x11drv_gpu *gpus )
 227 {
 228     heap_free( gpus );
 229 }
 230
 231 /* TODO: Support multi-head virtual desktop */
 232 static BOOL X11DRV_desktop_get_adapters( ULONG_PTR gpu_id, struct x11drv_adapter **new_adapters, int *count )
 233 {
 234     struct x11drv_adapter *adapter;
 235
 236     adapter = heap_calloc( 1, sizeof(*adapter) );
 237     if (!adapter) return FALSE;
 238
 239     adapter->state_flags = DISPLAY_DEVICE_PRIMARY_DEVICE;
 240     if (desktop_width && desktop_height)
 241         adapter->state_flags |= DISPLAY_DEVICE_ATTACHED_TO_DESKTOP;
 242
 243     *new_adapters = adapter;
 244     *count = 1;
 245     return TRUE;
 246 }
 247
 248 static void X11DRV_desktop_free_adapters( struct x11drv_adapter *adapters )
 249 {
 250     heap_free( adapters );
 251 }
 252
 253 static BOOL X11DRV_desktop_get_monitors( ULONG_PTR adapter_id, struct x11drv_monitor **new_monitors, int *count )
 254 {
 255     static const WCHAR generic_nonpnp_monitorW[] = {
 256         'G','e','n','e','r','i','c',' ',
 257         'N','o','n','-','P','n','P',' ','M','o','n','i','t','o','r',0};
 258     struct x11drv_monitor *monitor;
 259
 260     monitor = heap_calloc( 1, sizeof(*monitor) );
 261     if (!monitor) return FALSE;
 262
 263     lstrcpyW( monitor->name, generic_nonpnp_monitorW );
 264     SetRect( &monitor->rc_monitor, 0, 0, desktop_width, desktop_height );
 265     SetRect( &monitor->rc_work, 0, 0, desktop_width, desktop_height );
 266     query_desktop_work_area( &monitor->rc_work );
 267     monitor->state_flags = DISPLAY_DEVICE_ATTACHED;
 268     if (desktop_width && desktop_height)
 269         monitor->state_flags |= DISPLAY_DEVICE_ACTIVE;
 270
 271     *new_monitors = monitor;
 272     *count = 1;
 273     return TRUE;
 274 }
 275
 276 static void X11DRV_desktop_free_monitors( struct x11drv_monitor *monitors )
 277 {
 278     heap_free( monitors );
 279 }
 280
 281 /***********************************************************************
 282  *              X11DRV_init_desktop
 283  *
 284  * Setup the desktop when not using the root window.
 285  */
 286 void X11DRV_init_desktop( Window win, unsigned int width, unsigned int height )
 287 {
 288     RECT primary_rect = get_host_primary_monitor_rect();
 289     struct x11drv_settings_handler settings_handler;
 290
 291     root_window = win;
 292     managed_mode = FALSE;  /* no managed windows in desktop mode */
 293     desktop_width = width;
 294     desktop_height = height;
 295     max_width = primary_rect.right;
 296     max_height = primary_rect.bottom;
 297
 298     /* Initialize virtual desktop mode display device handler */
 299     desktop_handler.name = "Virtual Desktop";
 300     desktop_handler.get_gpus = X11DRV_desktop_get_gpus;
 301     desktop_handler.get_adapters = X11DRV_desktop_get_adapters;
 302     desktop_handler.get_monitors = X11DRV_desktop_get_monitors;
 303     desktop_handler.free_gpus = X11DRV_desktop_free_gpus;
 304     desktop_handler.free_adapters = X11DRV_desktop_free_adapters;
 305     desktop_handler.free_monitors = X11DRV_desktop_free_monitors;
 306     desktop_handler.register_event_handlers = NULL;
 307     TRACE("Display device functions are now handled by: Virtual Desktop\n");
 308     X11DRV_DisplayDevices_Init( TRUE );
 309
 310     /* Initialize virtual desktop display settings handler */
 311     settings_handler.name = "Virtual Desktop";
 312     settings_handler.priority = 1000;
 313     settings_handler.get_id = X11DRV_desktop_get_id;
 314     settings_handler.get_modes = X11DRV_desktop_get_modes;
 315     settings_handler.free_modes = X11DRV_desktop_free_modes;
 316     settings_handler.get_current_mode = X11DRV_desktop_get_current_mode;
 317     settings_handler.set_current_mode = X11DRV_desktop_set_current_mode;
 318     X11DRV_Settings_SetHandler( &settings_handler );
 319 }
 320
 321
 322 /***********************************************************************
 323  *              X11DRV_create_desktop
 324  *
 325  * Create the X11 desktop window for the desktop mode.
 326  */
 327 BOOL CDECL X11DRV_create_desktop( UINT width, UINT height )
 328 {
 329     static const WCHAR rootW[] = {'r','o','o','t',0};
 330     XSetWindowAttributes win_attr;
 331     Window win;
 332     Display *display = thread_init_display();
 333     WCHAR name[MAX_PATH];
 334
 335     if (!GetUserObjectInformationW( GetThreadDesktop( GetCurrentThreadId() ),
 336                                     UOI_NAME, name, sizeof(name), NULL ))
 337         name[0] = 0;
 338
 339     TRACE( "%s %ux%u\n", debugstr_w(name), width, height );
 340
 341     /* magic: desktop "root" means use the root window */
 342     if (!lstrcmpiW( name, rootW )) return FALSE;
 343
 344     /* Create window */
 345     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | EnterWindowMask |
 346                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask;
 347     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 348
 349     if (default_visual.visual != DefaultVisual( display, DefaultScreen(display) ))
 350         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 351                                              default_visual.visual, AllocNone );
 352     else
 353         win_attr.colormap = None;
 354
 355     win = XCreateWindow( display, DefaultRootWindow(display),
 356                          0, 0, width, height, 0, default_visual.depth, InputOutput, default_visual.visual,
 357                          CWEventMask | CWCursor | CWColormap, &win_attr );
 358     if (!win) return FALSE;
 359     if (!create_desktop_win_data( win )) return FALSE;
 360
 361     X11DRV_init_desktop( win, width, height );
 362     if (is_desktop_fullscreen())
 363     {
 364         TRACE("setting desktop to fullscreen\n");
 365         XChangeProperty( display, win, x11drv_atom(_NET_WM_STATE), XA_ATOM, 32,
 366             PropModeReplace, (unsigned char*)&x11drv_atom(_NET_WM_STATE_FULLSCREEN),
 367             1);
 368     }
 369     XFlush( display );
 370     return TRUE;
 371 }
 372
 373 BOOL is_desktop_fullscreen(void)
 374 {
 375     RECT primary_rect = get_primary_monitor_rect();
 376     return (primary_rect.right - primary_rect.left == max_width &&
 377             primary_rect.bottom - primary_rect.top == max_height);
 378 }
 379
 380 static void update_desktop_fullscreen( unsigned int width, unsigned int height)
 381 {
 382     Display *display = thread_display();
 383     XEvent xev;
 384
 385     if (!display || !is_virtual_desktop()) return;
 386
 387     xev.xclient.type = ClientMessage;
 388     xev.xclient.window = root_window;
 389     xev.xclient.message_type = x11drv_atom(_NET_WM_STATE);
 390     xev.xclient.serial = 0;
 391     xev.xclient.display = display;
 392     xev.xclient.send_event = True;
 393     xev.xclient.format = 32;
 394     if (width == max_width && height == max_height)
 395         xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
 396     else
 397         xev.xclient.data.l[0] = _NET_WM_STATE_REMOVE;
 398     xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_FULLSCREEN);
 399     xev.xclient.data.l[2] = 0;
 400     xev.xclient.data.l[3] = 1;
 401
 402     TRACE("action=%li\n", xev.xclient.data.l[0]);
 403
 404     XSendEvent( display, DefaultRootWindow(display), False,
 405                 SubstructureRedirectMask | SubstructureNotifyMask, &xev );
 406
 407     xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_VERT);
 408     xev.xclient.data.l[2] = x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ);
 409     XSendEvent( display, DefaultRootWindow(display), False,
 410                 SubstructureRedirectMask | SubstructureNotifyMask, &xev );
 411 }
 412
 413 /***********************************************************************
 414  *              X11DRV_resize_desktop
 415  */
 416 void X11DRV_resize_desktop( BOOL send_display_change )
 417 {
 418     RECT primary_rect, virtual_rect;
 419     HWND hwnd = GetDesktopWindow();
 420     INT width, height;
 421
 422     virtual_rect = get_virtual_screen_rect();
 423     primary_rect = get_primary_monitor_rect();
 424     width = primary_rect.right;
 425     height = primary_rect.bottom;
 426
 427     if (GetWindowThreadProcessId( hwnd, NULL ) != GetCurrentThreadId())
 428     {
 429         SendMessageW( hwnd, WM_X11DRV_RESIZE_DESKTOP, 0, (LPARAM)send_display_change );
 430     }
 431     else
 432     {
 433         TRACE( "desktop %p change to (%dx%d)\n", hwnd, width, height );
 434         update_desktop_fullscreen( width, height );
 435         SetWindowPos( hwnd, 0, virtual_rect.left, virtual_rect.top,
 436                       virtual_rect.right - virtual_rect.left, virtual_rect.bottom - virtual_rect.top,
 437                       SWP_NOZORDER | SWP_NOACTIVATE | SWP_DEFERERASE );
 438         ungrab_clipping_window();
 439
 440         if (send_display_change)
 441         {
 442             SendMessageTimeoutW( HWND_BROADCAST, WM_DISPLAYCHANGE, screen_bpp, MAKELPARAM( width, height ),
 443                                  SMTO_ABORTIFHUNG, 2000, NULL );
 444         }
 445     }
 446 }