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131 | /* CTK - The GIMP Toolkit
* ctkwin32embed.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, see <http://www.gnu.org/licenses/>.
*/
/* By Tor Lillqvist <tml@novell.com> 2005 */
#include "config.h"
#include "win32/cdkwin32.h"
#include "ctkwin32embed.h"
static guint message_type[CTK_WIN32_EMBED_LAST];
static GSList *current_messages;
guint
_ctk_win32_embed_message_type (CtkWin32EmbedMessageType type)
{
if (type < 0 || type >= CTK_WIN32_EMBED_LAST)
return 0;
if (message_type[type] == 0)
{
char name[100];
sprintf (name, "ctk-win32-embed:%d", type);
message_type[type] = RegisterWindowMessage (name);
}
return message_type[type];
}
void
_ctk_win32_embed_push_message (MSG *msg)<--- Parameter 'msg' can be declared as pointer to const
{
MSG *message = g_new (MSG, 1);
*message = *msg;
current_messages = g_slist_prepend (current_messages, message);
}
void
_ctk_win32_embed_pop_message (void)
{
MSG *message = current_messages->data;
current_messages = g_slist_delete_link (current_messages, current_messages);
g_free (message);
}
void
_ctk_win32_embed_send (CdkWindow *recipient,
CtkWin32EmbedMessageType message,
WPARAM wparam,
LPARAM lparam)
{
PostMessage (CDK_WINDOW_HWND (recipient),
_ctk_win32_embed_message_type (message),
wparam, lparam);
}
void
_ctk_win32_embed_send_focus_message (CdkWindow *recipient,
CtkWin32EmbedMessageType message,
WPARAM wparam)
{
int lparam = 0;
if (!recipient)
return;
g_return_if_fail (CDK_IS_WINDOW (recipient));
g_return_if_fail (message == CTK_WIN32_EMBED_FOCUS_IN ||
message == CTK_WIN32_EMBED_FOCUS_NEXT ||
message == CTK_WIN32_EMBED_FOCUS_PREV);
if (current_messages)
{
MSG *msg = current_messages->data;<--- Variable 'msg' can be declared as pointer to const
if (msg->message == _ctk_win32_embed_message_type (CTK_WIN32_EMBED_FOCUS_IN) ||
msg->message == _ctk_win32_embed_message_type (CTK_WIN32_EMBED_FOCUS_NEXT) ||
msg->message == _ctk_win32_embed_message_type (CTK_WIN32_EMBED_FOCUS_PREV))
lparam = (msg->lParam & CTK_WIN32_EMBED_FOCUS_WRAPAROUND);
}
_ctk_win32_embed_send (recipient, message, wparam, lparam);
}
void
_ctk_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 == _ctk_win32_embed_message_type (CTK_WIN32_EMBED_FOCUS_PREV) ||
msg->message == _ctk_win32_embed_message_type (CTK_WIN32_EMBED_FOCUS_NEXT));
msg->lParam |= CTK_WIN32_EMBED_FOCUS_WRAPAROUND;
}
gboolean
_ctk_win32_embed_get_focus_wrapped (void)
{
MSG *msg;<--- Variable 'msg' can be declared as pointer to const
g_return_val_if_fail (current_messages != NULL, FALSE);
msg = current_messages->data;
return (msg->lParam & CTK_WIN32_EMBED_FOCUS_WRAPAROUND) != 0;
}
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