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
  24 #include "ts_xlib.h"
  25
  26 #include "wine/winuser16.h"
  27 #include "win.h"
  28 #include "x11drv.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  32
  33
  34 /* desktop window procedure */
  35 static LRESULT WINAPI desktop_winproc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
  36 {
  37     switch(message)
  38     {
  39     case WM_ERASEBKGND:
  40         PaintDesktop( (HDC)wParam );
  41         ValidateRect( hwnd, NULL );
  42         break;
  43
  44     case WM_SYSCOMMAND:
  45         if ((wParam & 0xfff0) == SC_CLOSE) ExitWindows( 0, 0 );
  46         break;
  47
  48     case WM_SETCURSOR:
  49         return (LRESULT)SetCursor( LoadCursorA( 0, IDC_ARROWA ) );
  50
  51     case WM_NCHITTEST:
  52         return HTCLIENT;
  53     }
  54     return 0;
  55 }
  56
  57
  58 /* desktop window manager thread */
  59 static DWORD CALLBACK desktop_thread( LPVOID driver_data )
  60 {
  61     Display *display;
  62     MSG msg;
  63     HWND hwnd;
  64     WND *win;
  65
  66     NtCurrentTeb()->driver_data = driver_data;
  67     display = thread_display();
  68     hwnd = GetDesktopWindow();
  69
  70     /* patch the desktop window queue to point to our queue */
  71     win = WIN_GetPtr( hwnd );
  72     win->tid = GetCurrentThreadId();
  73     X11DRV_register_window( display, hwnd, win->pDriverData );
  74     WIN_ReleasePtr( win );
  75
  76     SetWindowLongW( hwnd, GWL_WNDPROC, (LONG)desktop_winproc );
  77     wine_tsx11_lock();
  78     XSetWMProtocols( display, root_window, &wmDeleteWindow, 1 );
  79     XMapWindow( display, root_window );
  80     wine_tsx11_unlock();
  81
  82     while (GetMessageW( &msg, hwnd, 0, 0 )) DispatchMessageW( &msg );
  83     return 0;
  84 }
  85
  86
  87 /***********************************************************************
  88  *              X11DRV_create_desktop_thread
  89  *
  90  * Create the thread that manages the desktop window
  91  */
  92 void X11DRV_create_desktop_thread(void)
  93 {
  94     HANDLE handle = CreateThread( NULL, 0, desktop_thread, NtCurrentTeb()->driver_data, 0, NULL );
  95     if (!handle)
  96     {
  97         MESSAGE( "Could not create desktop thread\n" );
  98         ExitProcess(1);
  99     }
 100     /* we transferred our driver data to the new thread */
 101     NtCurrentTeb()->driver_data = NULL;
 102     CloseHandle( handle );
 103 }
 104
 105
 106 /***********************************************************************
 107  *              X11DRV_create_desktop
 108  *
 109  * Create the X11 desktop window for the desktop mode.
 110  */
 111 Window X11DRV_create_desktop( XVisualInfo *desktop_vi, const char *geometry )
 112 {
 113     int x = 0, y = 0, flags;
 114     unsigned int width = 640, height = 480;  /* Default size = 640x480 */
 115     char *name = GetCommandLineA();
 116     XSizeHints *size_hints;
 117     XWMHints   *wm_hints;
 118     XClassHint *class_hints;
 119     XSetWindowAttributes win_attr;
 120     XTextProperty window_name;
 121     Window win;
 122     Display *display = thread_display();
 123
 124     wine_tsx11_lock();
 125     flags = XParseGeometry( geometry, &x, &y, &width, &height );
 126     screen_width  = width;
 127     screen_height = height;
 128
 129     /* Create window */
 130     win_attr.background_pixel = BlackPixel(display, 0);
 131     win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
 132                           PointerMotionMask | ButtonPressMask | ButtonReleaseMask;
 133     win_attr.cursor = XCreateFontCursor( display, XC_top_left_arrow );
 134
 135     if (desktop_vi)
 136         win_attr.colormap = XCreateColormap( display, DefaultRootWindow(display),
 137                                              visual, AllocNone );
 138     else
 139         win_attr.colormap = None;
 140
 141     win = XCreateWindow( display, DefaultRootWindow(display),
 142                          x, y, width, height, 0, screen_depth, InputOutput, visual,
 143                          CWBackPixel | CWEventMask | CWCursor | CWColormap, &win_attr );
 144
 145     /* Set window manager properties */
 146     size_hints  = XAllocSizeHints();
 147     wm_hints    = XAllocWMHints();
 148     class_hints = XAllocClassHint();
 149     if (!size_hints || !wm_hints || !class_hints)
 150     {
 151         MESSAGE("Not enough memory for window manager hints.\n" );
 152         ExitProcess(1);
 153     }
 154     size_hints->min_width = size_hints->max_width = width;
 155     size_hints->min_height = size_hints->max_height = height;
 156     size_hints->flags = PMinSize | PMaxSize;
 157     if (flags & (XValue | YValue)) size_hints->flags |= USPosition;
 158     if (flags & (WidthValue | HeightValue)) size_hints->flags |= USSize;
 159     else size_hints->flags |= PSize;
 160
 161     wm_hints->flags = InputHint | StateHint;
 162     wm_hints->input = True;
 163     wm_hints->initial_state = NormalState;
 164     class_hints->res_name  = "wine";
 165     class_hints->res_class = "Wine";
 166
 167     XStringListToTextProperty( &name, 1, &window_name );
 168     XSetWMProperties( display, win, &window_name, &window_name,
 169                       NULL, 0, size_hints, wm_hints, class_hints );
 170     XFree( size_hints );
 171     XFree( wm_hints );
 172     XFree( class_hints );
 173     XFlush( display );
 174     wine_tsx11_unlock();
 175     return win;
 176 }