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