gdkwindow-win32.c

linux下电话本所依赖的一些图形库

  
  /* If asked to show (but not raise) a window that is already
   * visible, do nothing.
   */
  if (!deiconify && !raise && IsWindowVisible (GDK_WINDOW_HWND (window)))
    return;

  /* Other cases */
  
  if (!GDK_WINDOW_IS_MAPPED (window))
    {
      gdk_synthesize_window_state (window,
				   GDK_WINDOW_STATE_WITHDRAWN,
				   0);
      focus_on_map = private->focus_on_map;
    }

  /* Use SetWindowPos to show transparent windows so automatic redraws
   * in other windows can be suppressed.
   */
  if (GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE) & WS_EX_TRANSPARENT)
    {
      UINT flags = SWP_SHOWWINDOW | SWP_NOREDRAW | SWP_NOMOVE | SWP_NOSIZE;
      if (!raise)
	flags |= SWP_NOZORDER;
      if (!raise || GDK_WINDOW_TYPE (window) == GDK_WINDOW_TEMP || !focus_on_map)
	flags |= SWP_NOACTIVATE;

      SetWindowPos (GDK_WINDOW_HWND (window), HWND_TOP, 0, 0, 0, 0, flags);
      return;
    }

  old_active_window = GetActiveWindow ();

  if (private->state & (GDK_WINDOW_STATE_BELOW | GDK_WINDOW_STATE_ABOVE))
    {
      DWORD exstyle = GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE);

      if (private->state & GDK_WINDOW_STATE_BELOW)
        exstyle &= (~WS_EX_TOPMOST);
      if (private->state & GDK_WINDOW_STATE_ABOVE)
        exstyle |= WS_EX_TOPMOST;

      if (!SetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE, exstyle))
        WIN32_API_FAILED ("SetWindowLong");
    }

  if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
    gdk_window_fullscreen (window);
  else if (private->state & GDK_WINDOW_STATE_MAXIMIZED)
    ShowWindow (GDK_WINDOW_HWND (window), SW_MAXIMIZE);
  else if (private->state & GDK_WINDOW_STATE_ICONIFIED)
    ShowWindow (GDK_WINDOW_HWND (window), SW_RESTORE);
  else if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TEMP || !focus_on_map)
    ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNOACTIVATE);
  else
    ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNORMAL);

  if (raise)
    {
      if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TEMP)
        SetWindowPos (GDK_WINDOW_HWND (window), HWND_TOPMOST, 0, 0, 0, 0,
	  	    SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
      else if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL
	       || GDK_WINDOW_TYPE (window) == GDK_WINDOW_DIALOG)
        SetForegroundWindow (GDK_WINDOW_HWND (window));
      else
        BringWindowToTop (GDK_WINDOW_HWND (window));
    }
  else if (old_active_window != GDK_WINDOW_HWND (window))
    SetActiveWindow (old_active_window);
}

void
gdk_window_show_unraised (GdkWindow *window)
{
  g_return_if_fail (GDK_IS_WINDOW (window));
  
  show_window_internal (window, FALSE, FALSE);
}

void
gdk_window_show (GdkWindow *window)
{
  g_return_if_fail (GDK_IS_WINDOW (window));

  show_window_internal (window, TRUE, FALSE);
}

void
gdk_window_hide (GdkWindow *window)
{
  GdkWindowObject *private;
  
  g_return_if_fail (window != NULL);

  private = (GdkWindowObject*) window;
  if (private->destroyed)
    return;

  GDK_NOTE (MISC, g_print ("gdk_window_hide: %p: %s\n",
			   GDK_WINDOW_HWND (window),
			   _gdk_win32_window_state_to_string (private->state)));
  
  if (GDK_WINDOW_IS_MAPPED (window))
    gdk_synthesize_window_state (window,
				 0,
				 GDK_WINDOW_STATE_WITHDRAWN);
  
  _gdk_window_clear_update_area (window);
  
  if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL)
    ShowOwnedPopups (GDK_WINDOW_HWND (window), FALSE);
  
  if (GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE) & WS_EX_TRANSPARENT)
    {
      SetWindowPos (GDK_WINDOW_HWND (window), HWND_BOTTOM, 0, 0, 0, 0,
		    SWP_HIDEWINDOW | SWP_NOREDRAW | SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE);
    }
  else
    {
      ShowWindow (GDK_WINDOW_HWND (window), SW_HIDE);
    }
}

void
gdk_window_withdraw (GdkWindow *window)
{
  GdkWindowObject *private;
  
  g_return_if_fail (window != NULL);
  
  private = (GdkWindowObject*) window;
  if (private->destroyed)
    return;

  GDK_NOTE (MISC, g_print ("gdk_window_withdraw: %p: %s\n",
			   GDK_WINDOW_HWND (window),
			   _gdk_win32_window_state_to_string (private->state)));
  
  gdk_window_hide (window);	/* ??? */
}

void
gdk_window_move (GdkWindow *window,
		 gint       x,
		 gint       y)
{
  GdkWindowObject *private = (GdkWindowObject *)window;
  GdkWindowImplWin32 *impl;

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));

  if (GDK_WINDOW_DESTROYED (window))
    return;

  GDK_NOTE (MISC, g_print ("gdk_window_move: %p: +%d+%d\n",
			   GDK_WINDOW_HWND (window), x, y));
      
  impl = GDK_WINDOW_IMPL_WIN32 (private->impl);

  if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
    return;

  if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
    _gdk_window_move_resize_child (window, x, y, impl->width, impl->height);
  else
    {
      RECT outer_rect;

      get_outer_rect (window, impl->width, impl->height, &outer_rect);
      
      adjust_for_gravity_hints (impl, &outer_rect, &x, &y);

      API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), NULL,
			       x - _gdk_offset_x, y - _gdk_offset_y, 0, 0,
			       SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER));
    }
}

void
gdk_window_resize (GdkWindow *window,
		   gint       width,
		   gint       height)
{
  GdkWindowObject *private = (GdkWindowObject*) window;
  GdkWindowImplWin32 *impl;

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));

  if (GDK_WINDOW_DESTROYED (window))
    return;

  if (width < 1)
    width = 1;
  if (height < 1)
    height = 1;

  GDK_NOTE (MISC, g_print ("gdk_window_resize: %p: %dx%d\n",
			   GDK_WINDOW_HWND (window), width, height));

  impl = GDK_WINDOW_IMPL_WIN32 (private->impl);
  
  if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
    return;

  if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
    _gdk_window_move_resize_child (window, private->x, private->y, width, height);
  else
    {
      RECT outer_rect;
      get_outer_rect (window, width, height, &outer_rect);

      API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), NULL,
			       0, 0,
			       outer_rect.right - outer_rect.left,
			       outer_rect.bottom - outer_rect.top,
			       SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER));
      private->resize_count += 1;
    }
}

void
gdk_window_move_resize (GdkWindow *window,
			gint       x,
			gint       y,
			gint       width,
			gint       height)
{
  GdkWindowObject *private = (GdkWindowObject*) window;
  GdkWindowImplWin32 *impl;

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));

  if (GDK_WINDOW_DESTROYED (window))
    return;

  if (width < 1)
    width = 1;
  if (height < 1)
    height = 1;
  
  impl = GDK_WINDOW_IMPL_WIN32 (private->impl);

  if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
    return;

  GDK_NOTE (MISC, g_print ("gdk_window_move_resize: %p: %dx%d@+%d+%d\n",
			   GDK_WINDOW_HWND (window),
			   width, height, x, y));
  
  if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
    _gdk_window_move_resize_child (window, x, y, width, height);
  else
    {
      RECT outer_rect;

      get_outer_rect (window, width, height, &outer_rect);

      adjust_for_gravity_hints (impl, &outer_rect, &x, &y);

      API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), NULL,
			       x - _gdk_offset_x, y - _gdk_offset_y,
			       outer_rect.right - outer_rect.left,
			       outer_rect.bottom - outer_rect.top,
			       SWP_NOACTIVATE | SWP_NOZORDER));
    }
}

void
gdk_window_reparent (GdkWindow *window,
		     GdkWindow *new_parent,
		     gint       x,
		     gint       y)
{
  GdkWindowObject *window_private;
  GdkWindowObject *parent_private;
  GdkWindowObject *old_parent_private;
  GdkWindowImplWin32 *impl;

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));
  g_return_if_fail (new_parent == NULL || GDK_IS_WINDOW (new_parent));
  g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_ROOT);

  if (GDK_WINDOW_DESTROYED (window) ||
      (new_parent && GDK_WINDOW_DESTROYED (new_parent)))
    {
      return;
    }

  if (!new_parent)
    new_parent = _gdk_parent_root;

  window_private = (GdkWindowObject*) window;
  old_parent_private = (GdkWindowObject *) window_private->parent;
  parent_private = (GdkWindowObject*) new_parent;
  impl = GDK_WINDOW_IMPL_WIN32 (window_private->impl);

  if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (new_parent))
    {
      GDK_NOTE (MISC, g_print ("gdk_window_reparent: %p: %p\n",
			       GDK_WINDOW_HWND (window),
			       GDK_WINDOW_HWND (new_parent)));

      API_CALL (SetParent, (GDK_WINDOW_HWND (window),
			    GDK_WINDOW_HWND (new_parent)));

      API_CALL (MoveWindow, (GDK_WINDOW_HWND (window),
			     x, y, impl->width, impl->height, TRUE));
    }

  /* From here on, we treat parents of type GDK_WINDOW_FOREIGN like
   * the root window
   */
  if (GDK_WINDOW_TYPE (new_parent) == GDK_WINDOW_FOREIGN)
    new_parent = _gdk_parent_root;
  
  window_private->parent = (GdkWindowObject *)new_parent;

  if (old_parent_private)
    old_parent_private->children =
      g_list_remove (old_parent_private->children, window);

  parent_private->children = g_list_prepend (parent_private->children, window);
  _gdk_window_init_position (GDK_WINDOW (window_private));
}

void
_gdk_windowing_window_clear_area (GdkWindow *window,
				  gint       x,
				  gint       y,
				  gint       width,
				  gint       height)
{
  GdkWindowImplWin32 *impl;

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));
  
  impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);

  if (!GDK_WINDOW_DESTROYED (window))
    {
      HDC hdc;

      if (width == 0)
	width = impl->width - x;
      if (height == 0)
	height = impl->height - y;
      GDK_NOTE (MISC, g_print ("_gdk_windowing_window_clear_area: %p: "
			       "%dx%d@+%d+%d\n",
			       GDK_WINDOW_HWND (window),
			       width, height, x, y));
      hdc = GetDC (GDK_WINDOW_HWND (window));
      IntersectClipRect (hdc, x, y, x + width + 1, y + height + 1);
      SendMessage (GDK_WINDOW_HWND (window), WM_ERASEBKGND, (WPARAM) hdc, 0);
      GDI_CALL (ReleaseDC, (GDK_WINDOW_HWND (window), hdc));
    }
}

void
_gdk_windowing_window_clear_area_e (GdkWindow *window,
				    gint       x,
				    gint       y,
				    gint       width,
				    gint       height)
{
  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));
  
  if (!GDK_WINDOW_DESTROYED (window))
    {
      RECT rect;

      GDK_NOTE (MISC, g_print ("_gdk_windowing_window_clear_area_e: %p: "
			       "%dx%d@+%d+%d\n",
			       GDK_WINDOW_HWND (window),
			       width, height, x, y));

      rect.left = x;
      rect.right = x + width + 1;
      rect.top = y;
      rect.bottom = y + height + 1;
      GDI_CALL (InvalidateRect, (GDK_WINDOW_HWND (window), &rect, TRUE));
      UpdateWindow (GDK_WINDOW_HWND (window));
    }
}

void
gdk_window_raise (GdkWindow *window)
{
  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));
  
  if (!GDK_WINDOW_DESTROYED (window))
    {
      GDK_NOTE (MISC, g_print ("gdk_window_raise: %p\n",
			       GDK_WINDOW_HWND (window)));

      API_CALL (BringWindowToTop, (GDK_WINDOW_HWND (window)));
    }
}

void
gdk_window_lower (GdkWindow *window)
{
  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));
  
  if (!GDK_WINDOW_DESTROYED (window))
    {
      GDK_NOTE (MISC, g_print ("gdk_window_lower: %p\n",
			       GDK_WINDOW_HWND (window)));

      API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), HWND_BOTTOM, 0, 0, 0, 0,
			       SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE));
    }
}

void
gdk_window_set_hints (GdkWindow *window,
		      gint       x,
		      gint       y,
		      gint       min_width,
		      gint       min_height,
		      gint       max_width,
		      gint       max_height,
		      gint       flags)
{
  /* Note that this function is obsolete */

  GdkWindowImplWin32 *impl;

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));
  
  if (GDK_WINDOW_DESTROYED (window))
    return;
  
  impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);

  GDK_NOTE (MISC, g_print ("gdk_window_set_hints: %p: %dx%d..%dx%d @+%d+%d\n",
			   GDK_WINDOW_HWND (window),
			   min_width, min_height, max_width, max_height,
			   x, y));

  if (flags)
    {
      GdkGeometry geom;
      gint geom_mask = 0;

      geom.min_width  = min_width;
      geom.min_height = min_height;
      geom.max_width  = max_width;
      geom.max_height = max_height;

      if (flags & GDK_HINT_MIN_SIZE)
        geom_mask |= GDK_HINT_MIN_SIZE;

      if (flags & GDK_HINT_MAX_SIZE)
        geom_mask |= GDK_HINT_MAX_SIZE;

      gdk_window_set_geometry_hints (window, &geom, geom_mask);
    }
}

void 
gdk_window_set_geometry_hints (GdkWindow      *window,
			       GdkGeometry    *geometry,
			       GdkWindowHints  geom_mask)
{
  GdkWindowImplWin32 *impl;
#if 0
  WINDOWPLACEMENT size_hints;
  RECT rect;
  gint new_width = 0, new_height = 0;
#endif

  g_return_if_fail (window != NULL);
  g_return_if_fail (GDK_IS_WINDOW (window));
  
  if (GDK_WINDOW_DESTROYED (window))
    return;

  GDK_NOTE (MISC, g_print ("gdk_window_set_geometry_hints: %p\n",
			   GDK_WINDOW_HWND (window)));

  impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);