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