dlls/x11drv/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include <X11/cursorfont.h>
  23 #include <X11/Xlib.h>
  24
  25 #include "wine/winuser16.h"
  26 #include "win.h"
  27 #include "ddrawi.h"
  28 #include "x11drv.h"
  29 #include "x11ddraw.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  33
  34
  35 /* desktop window procedure */
  36 static LRESULT WINAPI desktop_winproc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
  37 {
  38     switch(message)
  39     {
  40     case WM_NCCREATE:
  41         SystemParametersInfoA( SPI_SETDESKPATTERN, -1, NULL, FALSE );
  42         SetDeskWallPaper( (LPSTR)-1 );
  43         return TRUE;
  44
  45     case WM_ERASEBKGND:
  46         PaintDesktop( (HDC)wParam );
  47         ValidateRect( hwnd, NULL );
  48         break;
  49
  50     case WM_SYSCOMMAND:
  51         if ((wParam & 0xfff0) == SC_CLOSE) ExitWindows( 0, 0 );
  52         break;
  53
  54     case WM_SETCURSOR:
  55         return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_ARROW ) );
  56
  57     case WM_NCHITTEST:
  58         return HTCLIENT;
  59     }
  60     return 0;
  61 }
  62
  63
  64 /* desktop window manager thread */
  65 static DWORD CALLBACK desktop_thread( LPVOID driver_data )
  66 {
  67     Display *display;
  68     MSG msg;
  69     HWND hwnd;
  70     WND *win;
  71     Atom atom = x11drv_atom(WM_DELETE_WINDOW);
  72
  73     NtCurrentTeb()->driver_data = driver_data;
  74     display = thread_display();
  75     hwnd = GetDesktopWindow();
  76
  77     /* patch the desktop window queue to point to our queue */
  78     win = WIN_GetPtr( hwnd );
  79     win->tid = GetCurrentThreadId();
  80     X11DRV_register_window( display, hwnd, win->pDriverData );
  81     WIN_ReleasePtr( win );
  82
  83     SetWindowLongPtrW( hwnd, GWLP_WNDPROC, (LONG_PTR)desktop_winproc );
  84     wine_tsx11_lock();
  85     XChangeProperty ( display, root_window, x11drv_atom(WM_PROTOCOLS),
  86                       XA_ATOM, 32, PropModeReplace, (char *)&atom, 1 );
  87     XMapWindow( display, root_window );
  88     wine_tsx11_unlock();
  89
  90     SendMessageW( hwnd, WM_NCCREATE, 0, 0 /* should be CREATESTRUCT */ );
  91
  92     while (GetMessageW( &msg, hwnd, 0, 0 )) DispatchMessageW( &msg );
  93     return 0;
  94 }
  95
  96
  97 /***********************************************************************
  98  *              X11DRV_create_desktop_thread
  99  *
 100  * Create the thread that manages the desktop window
 101  */
 102 void X11DRV_create_desktop_thread(void)
 103 {
 104     HANDLE handle = CreateThread( NULL, 0, desktop_thread, NtCurrentTeb()->driver_data,
 105                                   0, &desktop_tid );
 106     if (!handle)
 107     {
 108         MESSAGE( "Could not create desktop thread\n" );
 109         ExitProcess(1);
 110     }
 111     /* we transferred our driver data to the new thread */
 112     NtCurrentTeb()->driver_data = NULL;
 113     CloseHandle( handle );
 114 }
 115
 116
 117 /* data for resolution changing */
 118 static LPDDHALMODEINFO dd_modes;
 119 static unsigned int dd_mode_count;
 120
 121 static unsigned int max_width;
 122 static unsigned int max_height;
 123
 124 static const unsigned int widths[]  = {320, 512, 640, 800, 1024, 1152, 1280, 1600};
 125 static const unsigned int heights[] = {200, 384, 480, 600,  768,  864, 1024, 1200};
 126 #define NUM_DESKTOP_MODES (8)
 127
 128 /* create the mode structures */
 129 static void make_modes(void)
 130 {
 131     int i;
 132     /* original specified desktop size */
 133     X11DRV_Settings_AddOneMode(screen_width, screen_height, 0, 0);
 134     for (i=0; i<NUM_DESKTOP_MODES; i++)
 135     {
 136         if ( (widths[i] <= max_width) && (heights[i] <= max_height) )
 137         {
 138             if ( ( (widths[i] != max_width) || (heights[i] != max_height) ) &&
 139                  ( (widths[i] != screen_width) || (heights[i] != screen_height) ) )
 140             {
 141                 /* only add them if they are smaller than the root window and unique */
 142                 X11DRV_Settings_AddOneMode(widths[i], heights[i], 0, 0);
 143             }
 144         }
 145     }
 146     if ((max_width != screen_width) && (max_height != screen_height))
 147     {
 148         /* root window size (if different from desktop window) */
 149         X11DRV_Settings_AddOneMode(max_width, max_height, 0, 0);
 150     }
 151 }
 152
 153 /***********************************************************************
 154  *              X11DRV_resize_desktop
 155  *
 156  * Reset the desktop window size and WM hints
 157  */
 158 int X11DRV_resize_desktop( unsigned int width, unsigned int height )
 159 {
 160     XSizeHints *size_hints;
 161     Display *display = thread_display();
 162     Window w = root_window;
 163     /* set up */
 164     wine_tsx11_lock();
 165     size_hints  = XAllocSizeHints();
 166     if (!size_hints)
 167     {
 168         ERR("Not enough memory for window manager hints.\n" );
 169         wine_tsx11_unlock();
 170         return 0;
 171     }
 172     size_hints->min_width = size_hints->max_width = width;
 173     size_hints->min_height = size_hints->max_height = height;
 174     size_hints->flags = PMinSize | PMaxSize | PSize;
 175
 176     /* do the work */
 177     XSetWMNormalHints( display, w, size_hints );
 178     XResizeWindow( display, w, width, height );
 179
 180     /* clean up */
 181     XFree( size_hints );
 182     XFlush( display );
 183     wine_tsx11_unlock();
 184     X11DRV_handle_desktop_resize( width, height );
 185     return 1;
 186 }
 187
 188 int X11DRV_desktop_GetCurrentMode(void)
 189 {
 190     unsigned int i;
 191     DWORD dwBpp = screen_depth;
 192     if (dwBpp == 24) dwBpp = 32;
 193     for (i=0; i<dd_mode_count; i++)
 194     {
 195         if ( (screen_width == dd_modes[i].dwWidth) &&
 196              (screen_height == dd_modes[i].dwHeight) &&
 197              (dwBpp == dd_modes[i].dwBPP))
 198             return i;
 199     }
 200     ERR("In unknown mode, returning default\n");
 201     return 0;
 202 }
 203
 204 void X11DRV_desktop_SetCurrentMode(int mode)
 205 {
 206     DWORD dwBpp = screen_depth;
 207     if (dwBpp == 24) dwBpp = 32;
 208     TRACE("Resizing Wine desktop window to %ldx%ld\n", dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
 209     X11DRV_resize_desktop(dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
 210     if (dwBpp != dd_modes[mode].dwBPP)
 211     {
 212         FIXME("Cannot change screen BPP from %ld to %ld\n", dwBpp, dd_modes[mode].dwBPP);
 213     }
 214 }
 215
 216 /***********************************************************************
 217  *              X11DRV_create_desktop
 218  *
 219  * Create the X11 desktop window for the desktop mode.
 220  */
 221 Window X11DRV_create_desktop( XVisualInfo *desktop_vi, const char *geometry )
 222 {
 223     int x = 0, y = 0, flags;
 224     unsigned int width = 640, height = 480;  /* Default size = 640x480 */
 225     char *name = GetCommandLineA();
 226     XSizeHints *size_hints;
 227     XWMHints   *wm_hints;
 228     XClassHint *class_hints;
 229     XSetWindowAttributes win_attr;
 230     XTextProperty window_name;
 231     Window win;
 232     Display *display = thread_display();
 233
 234     wine_tsx11_lock();
 235     flags = XParseGeometry( geometry, &x, &y, &width, &height );
 236     max_width = screen_width;
 237     max_height = screen_height;
 238     screen_width  = width;
 239     screen_height = height;
 240
 241     /* Create window */
 242     win_attr.background_pixel = BlackPixel(display, 0);
 243     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 244                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask;
 245     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 246
 247     if (desktop_vi)
 248         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 249                                              visual, AllocNone );
 250     else
 251         win_attr.colormap = None;
 252
 253     win = XCreateWindow( display, DefaultRootWindow(display),
 254                          x, y, width, height, 0, screen_depth, InputOutput, visual,
 255                          CWBackPixel | CWEventMask | CWCursor | CWColormap, &win_attr );
 256
 257     /* Set window manager properties */
 258     size_hints  = XAllocSizeHints();
 259     wm_hints    = XAllocWMHints();
 260     class_hints = XAllocClassHint();
 261     if (!size_hints || !wm_hints || !class_hints)
 262     {
 263         MESSAGE("Not enough memory for window manager hints.\n" );
 264         ExitProcess(1);
 265     }
 266     size_hints->min_width = size_hints->max_width = width;
 267     size_hints->min_height = size_hints->max_height = height;
 268     size_hints->flags = PMinSize | PMaxSize;
 269     if (flags & (XValue | YValue)) size_hints->flags |= USPosition;
 270     if (flags & (WidthValue | HeightValue)) size_hints->flags |= USSize;
 271     else size_hints->flags |= PSize;
 272
 273     wm_hints->flags = InputHint | StateHint;
 274     wm_hints->input = True;
 275     wm_hints->initial_state = NormalState;
 276     class_hints->res_name  = "wine";
 277     class_hints->res_class = "Wine";
 278
 279     XStringListToTextProperty( &name, 1, &window_name );
 280     XSetWMProperties( display, win, &window_name, &window_name,
 281                       NULL, 0, size_hints, wm_hints, class_hints );
 282     XFree( size_hints );
 283     XFree( wm_hints );
 284     XFree( class_hints );
 285     XFlush( display );
 286     wine_tsx11_unlock();
 287     /* initialize the available resolutions */
 288     dd_modes = X11DRV_Settings_SetHandlers("desktop",
 289                                            X11DRV_desktop_GetCurrentMode,
 290                                            X11DRV_desktop_SetCurrentMode,
 291                                            NUM_DESKTOP_MODES+2, 1);
 292     make_modes();
 293     X11DRV_Settings_AddDepthModes();
 294     dd_mode_count = X11DRV_Settings_GetModeCount();
 295     X11DRV_Settings_SetDefaultMode(0);
 296     return win;
 297 }