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-rw-r--r--gtk/gtkwin32embed.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/gtk/gtkwin32embed.c b/gtk/gtkwin32embed.c
new file mode 100644
index 0000000000..609ec5b1cb
--- /dev/null
+++ b/gtk/gtkwin32embed.c
@@ -0,0 +1,135 @@
+/* GTK - The GIMP Toolkit
+ * gtkwin32embed.c: Utilities for Win32 embedding
+ * Copyright (C) 2005, Novell, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/* By Tor Lillqvist <tml@novell.com> 2005 */
+
+#include <config.h>
+
+#include "win32/gdkwin32.h"
+
+#include "gtkwin32embed.h"
+
+static guint message_type[GTK_WIN32_EMBED_LAST];
+
+static GSList *current_messages;
+
+guint
+_gtk_win32_embed_message_type (GtkWin32EmbedMessageType type)
+{
+ if (type < 0 || type >= GTK_WIN32_EMBED_LAST)
+ return 0;
+
+ if (message_type[type] == 0)
+ {
+ char name[100];
+ sprintf (name, "gtk-win32-embed:%d", type);
+ message_type[type] = RegisterWindowMessage (name);
+ }
+
+ return message_type[type];
+}
+
+void
+_gtk_win32_embed_push_message (MSG *msg)
+{
+ MSG *message = g_new (MSG, 1);
+
+ *message = *msg;
+
+ current_messages = g_slist_prepend (current_messages, message);
+}
+
+void
+_gtk_win32_embed_pop_message (void)
+{
+ MSG *message = current_messages->data;
+
+ current_messages = g_slist_delete_link (current_messages, current_messages);
+
+ g_free (message);
+}
+
+void
+_gtk_win32_embed_send (GdkWindow *recipient,
+ GtkWin32EmbedMessageType message,
+ gint wparam,
+ gint lparam)
+{
+ PostMessage (GDK_WINDOW_HWND (recipient),
+ _gtk_win32_embed_message_type (message),
+ wparam, lparam);
+}
+
+void
+_gtk_win32_embed_send_focus_message (GdkWindow *recipient,
+ GtkWin32EmbedMessageType message,
+ gint wparam)
+{
+ int lparam = 0;
+
+ if (!recipient)
+ return;
+
+ g_return_if_fail (GDK_IS_WINDOW (recipient));
+ g_return_if_fail (message == GTK_WIN32_EMBED_FOCUS_IN ||
+ message == GTK_WIN32_EMBED_FOCUS_NEXT ||
+ message == GTK_WIN32_EMBED_FOCUS_PREV);
+
+ if (current_messages)
+ {
+ MSG *msg = current_messages->data;
+ if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_IN) ||
+ msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_NEXT) ||
+ msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_PREV))
+ lparam = (msg->lParam & GTK_WIN32_EMBED_FOCUS_WRAPAROUND);
+ }
+
+ _gtk_win32_embed_send (recipient, message, wparam, lparam);
+}
+
+void
+_gtk_win32_embed_set_focus_wrapped (void)
+{
+ MSG *msg;
+
+ g_return_if_fail (current_messages != NULL);
+
+ msg = current_messages->data;
+
+ g_return_if_fail (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_PREV) ||
+ msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_NEXT));
+
+ msg->lParam |= GTK_WIN32_EMBED_FOCUS_WRAPAROUND;
+}
+
+gboolean
+_gtk_win32_embed_get_focus_wrapped (void)
+{
+ MSG *msg;
+
+ g_return_val_if_fail (current_messages != NULL, FALSE);
+
+ msg = current_messages->data;
+
+ return (msg->lParam & GTK_WIN32_EMBED_FOCUS_WRAPAROUND) != 0;
+}
+
+
+