1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 * Modified by the GTK+ Team and others 1997-2006. See the AUTHORS
21 * file for a list of people on the GTK+ Team. See the ChangeLog
22 * files for a list of changes. These files are distributed with
23 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
29 #include "gtkmarshalers.h"
30 #include "gtkwin32embedwidget.h"
32 #include "gtkprivate.h"
36 static void gtk_win32_embed_widget_realize (GtkWidget *widget);
37 static void gtk_win32_embed_widget_unrealize (GtkWidget *widget);
38 static void gtk_win32_embed_widget_show (GtkWidget *widget);
39 static void gtk_win32_embed_widget_hide (GtkWidget *widget);
40 static void gtk_win32_embed_widget_map (GtkWidget *widget);
41 static void gtk_win32_embed_widget_unmap (GtkWidget *widget);
42 static void gtk_win32_embed_widget_size_allocate (GtkWidget *widget,
43 GtkAllocation *allocation);
44 static void gtk_win32_embed_widget_set_focus (GtkWindow *window,
46 static gboolean gtk_win32_embed_widget_focus (GtkWidget *widget,
47 GtkDirectionType direction);
48 static void gtk_win32_embed_widget_check_resize (GtkContainer *container);
50 static GtkBinClass *bin_class = NULL;
52 G_DEFINE_TYPE (GtkWin32EmbedWidget, gtk_win32_embed_widget, GTK_TYPE_WINDOW)
55 gtk_win32_embed_widget_class_init (GtkWin32EmbedWidgetClass *class)
57 GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
58 GtkWindowClass *window_class = (GtkWindowClass *)class;
59 GtkContainerClass *container_class = (GtkContainerClass *)class;
61 bin_class = g_type_class_peek (GTK_TYPE_BIN);
63 widget_class->realize = gtk_win32_embed_widget_realize;
64 widget_class->unrealize = gtk_win32_embed_widget_unrealize;
66 widget_class->show = gtk_win32_embed_widget_show;
67 widget_class->hide = gtk_win32_embed_widget_hide;
68 widget_class->map = gtk_win32_embed_widget_map;
69 widget_class->unmap = gtk_win32_embed_widget_unmap;
70 widget_class->size_allocate = gtk_win32_embed_widget_size_allocate;
72 widget_class->focus = gtk_win32_embed_widget_focus;
74 container_class->check_resize = gtk_win32_embed_widget_check_resize;
76 window_class->set_focus = gtk_win32_embed_widget_set_focus;
80 gtk_win32_embed_widget_init (GtkWin32EmbedWidget *embed_widget)
84 window = GTK_WINDOW (embed_widget);
86 window->type = GTK_WINDOW_TOPLEVEL;
88 GTK_WIDGET_SET_FLAGS (embed_widget, GTK_TOPLEVEL);
89 gtk_container_set_resize_mode (GTK_CONTAINER (embed_widget), GTK_RESIZE_QUEUE);
93 _gtk_win32_embed_widget_new (GdkNativeWindow parent_id)
95 GtkWin32EmbedWidget *embed_widget;
97 embed_widget = g_object_new (GTK_TYPE_WIN32_EMBED_WIDGET, NULL);
99 embed_widget->parent_window =
100 gdk_window_lookup_for_display (gdk_display_get_default (),
103 if (!embed_widget->parent_window)
104 embed_widget->parent_window =
105 gdk_window_foreign_new_for_display (gdk_display_get_default (),
108 return GTK_WIDGET (embed_widget);
112 _gtk_win32_embed_widget_dialog_procedure (GtkWin32EmbedWidget *embed_widget,
113 HWND wnd, UINT message, WPARAM wparam, LPARAM lparam)
115 GtkWidget *widget = GTK_WIDGET (embed_widget);
117 if (message == WM_SIZE)
119 widget->allocation.width = LOWORD(lparam);
120 widget->allocation.height = HIWORD(lparam);
122 gtk_widget_queue_resize (widget);
129 gtk_win32_embed_widget_unrealize (GtkWidget *widget)
131 GtkWin32EmbedWidget *embed_widget = GTK_WIN32_EMBED_WIDGET (widget);
133 embed_widget->old_window_procedure = NULL;
135 if (embed_widget->parent_window != NULL)
137 gdk_window_set_user_data (embed_widget->parent_window, NULL);
138 g_object_unref (embed_widget->parent_window);
139 embed_widget->parent_window = NULL;
142 GTK_WIDGET_CLASS (gtk_win32_embed_widget_parent_class)->unrealize (widget);
145 static LRESULT CALLBACK
146 gtk_win32_embed_widget_window_process (HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
149 GtkWin32EmbedWidget *embed_widget;
152 window = gdk_window_lookup ((GdkNativeWindow)hwnd);
153 if (window == NULL) {
154 g_warning ("No such window!");
157 gdk_window_get_user_data (window, &user_data);
158 embed_widget = GTK_WIN32_EMBED_WIDGET (user_data);
160 if (msg == WM_GETDLGCODE) {
161 return DLGC_WANTALLKEYS;
164 if (embed_widget && embed_widget->old_window_procedure)
165 return CallWindowProc(embed_widget->old_window_procedure,
166 hwnd, msg, wparam, lparam);
172 gtk_win32_embed_widget_realize (GtkWidget *widget)
174 GtkWindow *window = GTK_WINDOW (widget);
175 GtkWin32EmbedWidget *embed_widget = GTK_WIN32_EMBED_WIDGET (widget);
176 GdkWindowAttr attributes;
177 gint attributes_mask;
180 /* ensure widget tree is properly size allocated */
181 if (widget->allocation.x == -1 &&
182 widget->allocation.y == -1 &&
183 widget->allocation.width == 1 &&
184 widget->allocation.height == 1)
186 GtkRequisition requisition;
187 GtkAllocation allocation = { 0, 0, 200, 200 };
189 gtk_widget_size_request (widget, &requisition);
190 if (requisition.width || requisition.height)
192 /* non-empty window */
193 allocation.width = requisition.width;
194 allocation.height = requisition.height;
196 gtk_widget_size_allocate (widget, &allocation);
198 _gtk_container_queue_resize (GTK_CONTAINER (widget));
200 g_return_if_fail (!GTK_WIDGET_REALIZED (widget));
203 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
205 attributes.window_type = GDK_WINDOW_CHILD;
206 attributes.title = window->title;
207 attributes.wmclass_name = window->wmclass_name;
208 attributes.wmclass_class = window->wmclass_class;
209 attributes.width = widget->allocation.width;
210 attributes.height = widget->allocation.height;
211 attributes.wclass = GDK_INPUT_OUTPUT;
213 /* this isn't right - we should match our parent's visual/colormap.
214 * though that will require handling "foreign" colormaps */
215 attributes.visual = gtk_widget_get_visual (widget);
216 attributes.colormap = gtk_widget_get_colormap (widget);
217 attributes.event_mask = gtk_widget_get_events (widget);
218 attributes.event_mask |= (GDK_EXPOSURE_MASK |
220 GDK_KEY_RELEASE_MASK |
221 GDK_ENTER_NOTIFY_MASK |
222 GDK_LEAVE_NOTIFY_MASK |
224 GDK_FOCUS_CHANGE_MASK);
226 attributes_mask = GDK_WA_VISUAL | GDK_WA_COLORMAP;
227 attributes_mask |= (window->title ? GDK_WA_TITLE : 0);
228 attributes_mask |= (window->wmclass_name ? GDK_WA_WMCLASS : 0);
230 widget->window = gdk_window_new (embed_widget->parent_window,
231 &attributes, attributes_mask);
233 gdk_window_set_user_data (widget->window, window);
235 embed_widget->old_window_procedure = (gpointer)
236 SetWindowLongPtrW(GDK_WINDOW_HWND (widget->window),
238 (LONG_PTR)gtk_win32_embed_widget_window_process);
240 /* Enable tab to focus the widget */
241 styles = GetWindowLongPtr(GDK_WINDOW_HWND (widget->window), GWL_STYLE);
242 SetWindowLongPtrW(GDK_WINDOW_HWND (widget->window), GWL_STYLE, styles | WS_TABSTOP);
244 widget->style = gtk_style_attach (widget->style, widget->window);
245 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
249 gtk_win32_embed_widget_show (GtkWidget *widget)
251 GTK_WIDGET_SET_FLAGS (widget, GTK_VISIBLE);
253 gtk_widget_realize (widget);
254 gtk_container_check_resize (GTK_CONTAINER (widget));
255 gtk_widget_map (widget);
259 gtk_win32_embed_widget_hide (GtkWidget *widget)
261 GTK_WIDGET_UNSET_FLAGS (widget, GTK_VISIBLE);
262 gtk_widget_unmap (widget);
266 gtk_win32_embed_widget_map (GtkWidget *widget)
268 GtkBin *bin = GTK_BIN (widget);
270 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
273 gtk_widget_get_visible (bin->child) &&
274 !gtk_widget_get_mapped (bin->child))
275 gtk_widget_map (bin->child);
277 gdk_window_show (widget->window);
281 gtk_win32_embed_widget_unmap (GtkWidget *widget)
283 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
284 gdk_window_hide (widget->window);
288 gtk_win32_embed_widget_size_allocate (GtkWidget *widget,
289 GtkAllocation *allocation)
291 GtkBin *bin = GTK_BIN (widget);
293 widget->allocation = *allocation;
295 if (GTK_WIDGET_REALIZED (widget))
296 gdk_window_move_resize (widget->window,
297 allocation->x, allocation->y,
298 allocation->width, allocation->height);
300 if (bin->child && gtk_widget_get_visible (bin->child))
302 GtkAllocation child_allocation;
304 child_allocation.x = child_allocation.y = GTK_CONTAINER (widget)->border_width;
305 child_allocation.width =
306 MAX (1, (gint)allocation->width - child_allocation.x * 2);
307 child_allocation.height =
308 MAX (1, (gint)allocation->height - child_allocation.y * 2);
310 gtk_widget_size_allocate (bin->child, &child_allocation);
315 gtk_win32_embed_widget_check_resize (GtkContainer *container)
317 GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
321 gtk_win32_embed_widget_focus (GtkWidget *widget,
322 GtkDirectionType direction)
324 GtkBin *bin = GTK_BIN (widget);
325 GtkWin32EmbedWidget *embed_widget = GTK_WIN32_EMBED_WIDGET (widget);
326 GtkWindow *window = GTK_WINDOW (widget);
327 GtkContainer *container = GTK_CONTAINER (widget);
328 GtkWidget *old_focus_child = container->focus_child;
331 /* We override GtkWindow's behavior, since we don't want wrapping here.
335 if (gtk_widget_child_focus (old_focus_child, direction))
338 if (window->focus_widget)
340 /* Wrapped off the end, clear the focus setting for the toplevel */
341 parent = window->focus_widget->parent;
344 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
345 parent = GTK_WIDGET (parent)->parent;
348 gtk_window_set_focus (GTK_WINDOW (container), NULL);
353 /* Try to focus the first widget in the window */
354 if (bin->child && gtk_widget_child_focus (bin->child, direction))
358 if (!GTK_CONTAINER (window)->focus_child)
360 int backwards = FALSE;
362 if (direction == GTK_DIR_TAB_BACKWARD ||
363 direction == GTK_DIR_LEFT)
366 PostMessage(GDK_WINDOW_HWND (embed_widget->parent_window),
375 gtk_win32_embed_widget_set_focus (GtkWindow *window,
378 GTK_WINDOW_CLASS (gtk_win32_embed_widget_parent_class)->set_focus (window, focus);
380 gdk_window_focus (GTK_WIDGET(window)->window, 0);
383 #define __GTK_WIN32_EMBED_WIDGET_C__
384 #include "gtkaliasdef.c"