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, see <http://www.gnu.org/licenses/>.Free
19 * Modified by the GTK+ Team and others 1997-2006. See the AUTHORS
20 * file for a list of people on the GTK+ Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 #include "gtkmarshalers.h"
29 #include "gtksizerequest.h"
30 #include "gtkwin32embedwidget.h"
32 #include "gtkprivate.h"
33 #include "gtkwindowprivate.h"
34 #include "gtkwidgetprivate.h"
35 #include "gtkcontainerprivate.h"
38 static void gtk_win32_embed_widget_realize (GtkWidget *widget);
39 static void gtk_win32_embed_widget_unrealize (GtkWidget *widget);
40 static void gtk_win32_embed_widget_show (GtkWidget *widget);
41 static void gtk_win32_embed_widget_hide (GtkWidget *widget);
42 static void gtk_win32_embed_widget_map (GtkWidget *widget);
43 static void gtk_win32_embed_widget_unmap (GtkWidget *widget);
44 static void gtk_win32_embed_widget_size_allocate (GtkWidget *widget,
45 GtkAllocation *allocation);
46 static void gtk_win32_embed_widget_set_focus (GtkWindow *window,
48 static gboolean gtk_win32_embed_widget_focus (GtkWidget *widget,
49 GtkDirectionType direction);
50 static void gtk_win32_embed_widget_check_resize (GtkContainer *container);
52 static GtkBinClass *bin_class = NULL;
54 G_DEFINE_TYPE (GtkWin32EmbedWidget, gtk_win32_embed_widget, GTK_TYPE_WINDOW)
57 gtk_win32_embed_widget_class_init (GtkWin32EmbedWidgetClass *class)
59 GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
60 GtkWindowClass *window_class = (GtkWindowClass *)class;
61 GtkContainerClass *container_class = (GtkContainerClass *)class;
63 bin_class = g_type_class_peek (GTK_TYPE_BIN);
65 widget_class->realize = gtk_win32_embed_widget_realize;
66 widget_class->unrealize = gtk_win32_embed_widget_unrealize;
68 widget_class->show = gtk_win32_embed_widget_show;
69 widget_class->hide = gtk_win32_embed_widget_hide;
70 widget_class->map = gtk_win32_embed_widget_map;
71 widget_class->unmap = gtk_win32_embed_widget_unmap;
72 widget_class->size_allocate = gtk_win32_embed_widget_size_allocate;
74 widget_class->focus = gtk_win32_embed_widget_focus;
76 container_class->check_resize = gtk_win32_embed_widget_check_resize;
78 window_class->set_focus = gtk_win32_embed_widget_set_focus;
82 gtk_win32_embed_widget_init (GtkWin32EmbedWidget *embed_widget)
86 window = GTK_WINDOW (embed_widget);
88 _gtk_widget_set_is_toplevel (GTK_WIDGET (embed_widget), TRUE);
89 gtk_container_set_resize_mode (GTK_CONTAINER (embed_widget), GTK_RESIZE_QUEUE);
93 _gtk_win32_embed_widget_new (HWND parent)
95 GtkWin32EmbedWidget *embed_widget;
97 embed_widget = g_object_new (GTK_TYPE_WIN32_EMBED_WIDGET, NULL);
99 embed_widget->parent_window =
100 gdk_win32_window_lookup_for_display (gdk_display_get_default (),
103 if (!embed_widget->parent_window)
104 embed_widget->parent_window =
105 gdk_win32_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 GtkAllocation allocation;
116 GtkWidget *widget = GTK_WIDGET (embed_widget);
118 if (message == WM_SIZE)
120 allocation.width = LOWORD(lparam);
121 allocation.height = HIWORD(lparam);
122 gtk_widget_set_allocation (widget, &allocation);
124 gtk_widget_queue_resize (widget);
131 gtk_win32_embed_widget_unrealize (GtkWidget *widget)
133 GtkWin32EmbedWidget *embed_widget = GTK_WIN32_EMBED_WIDGET (widget);
135 embed_widget->old_window_procedure = NULL;
137 if (embed_widget->parent_window != NULL)
139 gtk_widget_unregister_window (widget, embed_widget->parent_window);
140 g_object_unref (embed_widget->parent_window);
141 embed_widget->parent_window = NULL;
144 GTK_WIDGET_CLASS (gtk_win32_embed_widget_parent_class)->unrealize (widget);
147 static LRESULT CALLBACK
148 gtk_win32_embed_widget_window_process (HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
151 GtkWin32EmbedWidget *embed_widget;
154 window = gdk_win32_window_lookup_for_display (gdk_display_get_default (), hwnd);
155 if (window == NULL) {
156 g_warning ("No such window!");
159 gdk_window_get_user_data (window, &user_data);
160 embed_widget = GTK_WIN32_EMBED_WIDGET (user_data);
162 if (msg == WM_GETDLGCODE) {
163 return DLGC_WANTALLKEYS;
166 if (embed_widget && embed_widget->old_window_procedure)
167 return CallWindowProc(embed_widget->old_window_procedure,
168 hwnd, msg, wparam, lparam);
174 gtk_win32_embed_widget_realize (GtkWidget *widget)
176 GtkWindow *window = GTK_WINDOW (widget);
177 GtkWin32EmbedWidget *embed_widget = GTK_WIN32_EMBED_WIDGET (widget);
178 GtkAllocation allocation;
179 GdkWindow *gdk_window;
180 GdkWindowAttr attributes;
181 gint attributes_mask;
184 gtk_widget_get_allocation (widget, &allocation);
186 /* ensure widget tree is properly size allocated */
187 if (allocation.x == -1 && allocation.y == -1 &&
188 allocation.width == 1 && allocation.height == 1)
190 GtkRequisition requisition;
191 GtkAllocation allocation = { 0, 0, 200, 200 };
193 gtk_widget_get_preferred_size (widget, &requisition, NULL);
194 if (requisition.width || requisition.height)
196 /* non-empty window */
197 allocation.width = requisition.width;
198 allocation.height = requisition.height;
200 gtk_widget_size_allocate (widget, &allocation);
202 _gtk_container_queue_resize (GTK_CONTAINER (widget));
204 g_return_if_fail (!gtk_widget_get_realized (widget));
207 gtk_widget_set_realized (widget, TRUE);
209 gtk_widget_get_allocation (widget, &allocation);
211 attributes.window_type = GDK_WINDOW_CHILD;
212 attributes.title = gtk_window_get_title (window);
213 _gtk_window_get_wmclass (window, &attributes.wmclass_name, &attributes.wmclass_class);
214 attributes.width = allocation.width;
215 attributes.height = allocation.height;
216 attributes.wclass = GDK_INPUT_OUTPUT;
218 /* this isn't right - we should match our parent's visual/colormap.
219 * though that will require handling "foreign" colormaps */
220 attributes.visual = gtk_widget_get_visual (widget);
221 attributes.event_mask = gtk_widget_get_events (widget);
222 attributes.event_mask |= (GDK_EXPOSURE_MASK |
224 GDK_KEY_RELEASE_MASK |
225 GDK_ENTER_NOTIFY_MASK |
226 GDK_LEAVE_NOTIFY_MASK |
228 GDK_FOCUS_CHANGE_MASK);
230 attributes_mask = GDK_WA_VISUAL;
231 attributes_mask |= (gtk_window_get_title (window) ? GDK_WA_TITLE : 0);
232 attributes_mask |= (attributes.wmclass_name ? GDK_WA_WMCLASS : 0);
234 gdk_window = gdk_window_new (embed_widget->parent_window,
235 &attributes, attributes_mask);
236 gtk_widget_set_window (widget, gdk_window);
237 gtk_widget_register_window (widget, gdk_window);
239 embed_widget->old_window_procedure = (gpointer)
240 SetWindowLongPtrW(GDK_WINDOW_HWND (gdk_window),
242 (LONG_PTR)gtk_win32_embed_widget_window_process);
244 /* Enable tab to focus the widget */
245 styles = GetWindowLongPtr(GDK_WINDOW_HWND (gdk_window), GWL_STYLE);
246 SetWindowLongPtrW(GDK_WINDOW_HWND (gdk_window), GWL_STYLE, styles | WS_TABSTOP);
248 gtk_style_context_set_background (gtk_widget_get_style_context (widget),
253 gtk_win32_embed_widget_show (GtkWidget *widget)
255 gtk_widget_set_visible (widget, TRUE);
257 gtk_widget_realize (widget);
258 gtk_container_check_resize (GTK_CONTAINER (widget));
259 gtk_widget_map (widget);
263 gtk_win32_embed_widget_hide (GtkWidget *widget)
265 gtk_widget_set_visible (widget, FALSE);
266 gtk_widget_unmap (widget);
270 gtk_win32_embed_widget_map (GtkWidget *widget)
272 GtkBin *bin = GTK_BIN (widget);
275 gtk_widget_set_mapped (widget, TRUE);
277 child = gtk_bin_get_child (bin);
279 gtk_widget_get_visible (child) &&
280 !gtk_widget_get_mapped (child))
281 gtk_widget_map (child);
283 gdk_window_show (gtk_widget_get_window (widget));
287 gtk_win32_embed_widget_unmap (GtkWidget *widget)
289 gtk_widget_set_mapped (widget, FALSE);
290 gdk_window_hide (gtk_widget_get_window (widget));
294 gtk_win32_embed_widget_size_allocate (GtkWidget *widget,
295 GtkAllocation *allocation)
297 GtkBin *bin = GTK_BIN (widget);
300 gtk_widget_set_allocation (widget, allocation);
302 if (gtk_widget_get_realized (widget))
303 gdk_window_move_resize (gtk_widget_get_window (widget),
304 allocation->x, allocation->y,
305 allocation->width, allocation->height);
307 child = gtk_bin_get_child (bin);
308 if (child && gtk_widget_get_visible (child))
310 GtkAllocation child_allocation;
312 child_allocation.x = gtk_container_get_border_width (GTK_CONTAINER (widget));
313 child_allocation.y = child_allocation.x;
314 child_allocation.width =
315 MAX (1, (gint)allocation->width - child_allocation.x * 2);
316 child_allocation.height =
317 MAX (1, (gint)allocation->height - child_allocation.y * 2);
319 gtk_widget_size_allocate (child, &child_allocation);
324 gtk_win32_embed_widget_check_resize (GtkContainer *container)
326 GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
330 gtk_win32_embed_widget_focus (GtkWidget *widget,
331 GtkDirectionType direction)
333 GtkBin *bin = GTK_BIN (widget);
334 GtkWin32EmbedWidget *embed_widget = GTK_WIN32_EMBED_WIDGET (widget);
335 GtkWindow *window = GTK_WINDOW (widget);
336 GtkContainer *container = GTK_CONTAINER (widget);
337 GtkWidget *old_focus_child = gtk_container_get_focus_child (container);
341 /* We override GtkWindow's behavior, since we don't want wrapping here.
345 if (gtk_widget_child_focus (old_focus_child, direction))
348 if (gtk_window_get_focus (window))
350 /* Wrapped off the end, clear the focus setting for the toplevel */
351 parent = gtk_widget_get_parent (gtk_window_get_focus (window));
354 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
355 parent = gtk_widget_get_parent (GTK_WIDGET (parent));
358 gtk_window_set_focus (GTK_WINDOW (container), NULL);
363 /* Try to focus the first widget in the window */
364 child = gtk_bin_get_child (bin);
365 if (child && gtk_widget_child_focus (child, direction))
369 if (!gtk_container_get_focus_child (GTK_CONTAINER (window)))
371 int backwards = FALSE;
373 if (direction == GTK_DIR_TAB_BACKWARD ||
374 direction == GTK_DIR_LEFT)
377 PostMessage(GDK_WINDOW_HWND (embed_widget->parent_window),
386 gtk_win32_embed_widget_set_focus (GtkWindow *window,
389 GTK_WINDOW_CLASS (gtk_win32_embed_widget_parent_class)->set_focus (window, focus);
391 gdk_window_focus (gtk_widget_get_window (GTK_WIDGET(window)), 0);