dlls/x11drv/desktop.c

   1 /*
   2  * X11DRV desktop window handling
   3  *
   4  * Copyright 2001 Alexandre Julliard
   5  */
   6
   7 #include "config.h"
   8 #include <X11/cursorfont.h>
   9
  10 #include "ts_xlib.h"
  11
  12 #include "win.h"
  13 #include "x11drv.h"
  14 #include "debugtools.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(x11drv);
  17
  18
  19 /* desktop window procedure */
  20 static LRESULT WINAPI desktop_winproc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
  21 {
  22     switch(message)
  23     {
  24     case WM_ERASEBKGND:
  25         PaintDesktop( (HDC)wParam );
  26         ValidateRect( hwnd, NULL );
  27         break;
  28
  29     case WM_SYSCOMMAND:
  30         if ((wParam & 0xfff0) == SC_CLOSE) ExitWindows( 0, 0 );
  31         break;
  32
  33     case WM_SETCURSOR:
  34         return SetCursor( LoadCursorA( 0, IDC_ARROWA ) );
  35
  36     case WM_NCHITTEST:
  37         return HTCLIENT;
  38     }
  39     return 0;
  40 }
  41
  42
  43 /* desktop window manager thread */
  44 static DWORD CALLBACK desktop_thread( LPVOID driver_data )
  45 {
  46     Display *display;
  47     MSG msg;
  48     HWND hwnd;
  49     WND *win;
  50
  51     NtCurrentTeb()->driver_data = driver_data;
  52     display = thread_display();
  53     hwnd = GetDesktopWindow();
  54
  55     /* patch the desktop window queue to point to our queue */
  56     win = WIN_FindWndPtr( hwnd );
  57     win->hmemTaskQ = GetFastQueue16();
  58     X11DRV_register_window( display, hwnd, win->pDriverData );
  59     WIN_ReleaseWndPtr( win );
  60
  61     SetWindowLongW( hwnd, GWL_WNDPROC, (LONG)desktop_winproc );
  62     wine_tsx11_lock();
  63     XSetWMProtocols( display, root_window, &wmDeleteWindow, 1 );
  64     XMapWindow( display, root_window );
  65     wine_tsx11_unlock();
  66
  67     while (GetMessageW( &msg, hwnd, 0, 0 )) DispatchMessageW( &msg );
  68     return 0;
  69 }
  70
  71
  72 /***********************************************************************
  73  *              X11DRV_create_desktop_thread
  74  *
  75  * Create the thread that manages the desktop window
  76  */
  77 void X11DRV_create_desktop_thread(void)
  78 {
  79     HANDLE handle = CreateThread( NULL, 0, desktop_thread, NtCurrentTeb()->driver_data, 0, NULL );
  80     if (!handle)
  81     {
  82         MESSAGE( "Could not create desktop thread\n" );
  83         ExitProcess(1);
  84     }
  85     /* we transferred our driver data to the new thread */
  86     NtCurrentTeb()->driver_data = NULL;
  87     CloseHandle( handle );
  88 }
  89
  90
  91 /***********************************************************************
  92  *              X11DRV_create_desktop
  93  *
  94  * Create the X11 desktop window for the desktop mode.
  95  */
  96 Window X11DRV_create_desktop( XVisualInfo *desktop_vi, const char *geometry )
  97 {
  98     int x = 0, y = 0, flags;
  99     unsigned int width = 640, height = 480;  /* Default size = 640x480 */
 100     char *name = "Wine desktop";
 101     XSizeHints *size_hints;
 102     XWMHints   *wm_hints;
 103     XClassHint *class_hints;
 104     XSetWindowAttributes win_attr;
 105     XTextProperty window_name;
 106     Window win;
 107     Display *display = thread_display();
 108
 109     wine_tsx11_lock();
 110     flags = XParseGeometry( geometry, &x, &y, &width, &height );
 111     screen_width  = width;
 112     screen_height = height;
 113
 114     /* Create window */
 115     win_attr.background_pixel = BlackPixel(display, 0);
 116     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 117                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask;
 118     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 119
 120     if (desktop_vi)
 121         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 122                                              visual, AllocNone );
 123     else
 124         win_attr.colormap = None;
 125
 126     win = XCreateWindow( display, DefaultRootWindow(display),
 127                          x, y, width, height, 0, screen_depth, InputOutput, visual,
 128                          CWBackPixel | CWEventMask | CWCursor | CWColormap, &win_attr );
 129
 130     /* Set window manager properties */
 131     size_hints  = XAllocSizeHints();
 132     wm_hints    = XAllocWMHints();
 133     class_hints = XAllocClassHint();
 134     if (!size_hints || !wm_hints || !class_hints)
 135     {
 136         MESSAGE("Not enough memory for window manager hints.\n" );
 137         ExitProcess(1);
 138     }
 139     size_hints->min_width = size_hints->max_width = width;
 140     size_hints->min_height = size_hints->max_height = height;
 141     size_hints->flags = PMinSize | PMaxSize;
 142     if (flags & (XValue | YValue)) size_hints->flags |= USPosition;
 143     if (flags & (WidthValue | HeightValue)) size_hints->flags |= USSize;
 144     else size_hints->flags |= PSize;
 145
 146     wm_hints->flags = InputHint | StateHint;
 147     wm_hints->input = True;
 148     wm_hints->initial_state = NormalState;
 149     class_hints->res_name  = "wine";
 150     class_hints->res_class = "Wine";
 151
 152     XStringListToTextProperty( &name, 1, &window_name );
 153     XSetWMProperties( display, win, &window_name, &window_name,
 154                       NULL, 0, size_hints, wm_hints, class_hints );
 155     XFree( size_hints );
 156     XFree( wm_hints );
 157     XFree( class_hints );
 158     XFlush( display );
 159     wine_tsx11_unlock();
 160     return win;
 161 }