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/* gtkmouse.c: GTK+ routines for emulating Spectrum mice
Copyright (c) 2004 Darren Salt
$Id: gtkmouse.c 3115 2007-08-19 02:49:14Z fredm $
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: linux@youmustbejoking.demon.co.uk
*/
#include <config.h>
#include <gdk/gdk.h>
#include <gtk/gtkwidget.h>
#include "gtkinternals.h"
#include "ui/ui.h"
/* For XWarpPointer *only* - see below */
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
/* GDK1 bits */
#ifndef GDK_GRAB_SUCCESS
#define GDK_GRAB_SUCCESS 0
#endif
static GdkCursor *nullpointer = NULL;
const char *const nullpixmap[] = { "1 1 1 1", " c None", " " };
static void
gtkmouse_reset_pointer( void )
{
/* Ugh. GDK doesn't have its own move-pointer function :-|
* Framebuffer users and win32 users will have to make their own
* arrangements here.
*
* For Win32, use SetCursorPos() -- see sdpGtkWarpPointer() at
* http://k3d.cvs.sourceforge.net/k3d/projects/sdplibs/sdpgtk/sdpgtkutility.cpp?view=markup
*/
XWarpPointer( GDK_WINDOW_XDISPLAY( gtkui_drawing_area->window ), None,
GDK_WINDOW_XWINDOW( gtkui_drawing_area->window ),
0, 0, 0, 0, 128, 128 );
}
gboolean
gtkmouse_position( GtkWidget *widget GCC_UNUSED,
GdkEventMotion *event GCC_UNUSED, gpointer data GCC_UNUSED )
{
if( !ui_mouse_grabbed ) return TRUE;
if( event->x != 128 || event->y != 128 )
gtkmouse_reset_pointer();
ui_mouse_motion( event->x - 128, event->y - 128 );
return TRUE;
}
gboolean
gtkmouse_button( GtkWidget *widget GCC_UNUSED, GdkEventButton *event,
gpointer data GCC_UNUSED )
{
if( event->type == GDK_BUTTON_PRESS || event->type == GDK_2BUTTON_PRESS
|| event->type == GDK_3BUTTON_PRESS )
ui_mouse_button( event->button, 1 );
else
ui_mouse_button( event->button, 0 );
return TRUE;
}
int
ui_mouse_grab( int startup )
{
if( startup ) return 0;
if( !nullpointer ) {
const char bits = 0;
GdkColor colour = { 0, 0, 0, 0 };
GdkPixmap *image = gdk_bitmap_create_from_data( NULL, &bits, 1, 1 );
nullpointer = gdk_cursor_new_from_pixmap( image, image, &colour, &colour,
1, 1 );
}
if( gdk_pointer_grab( gtkui_drawing_area->window, FALSE,
GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK, gtkui_drawing_area->window,
nullpointer, GDK_CURRENT_TIME ) == GDK_GRAB_SUCCESS ) {
gtkmouse_reset_pointer();
ui_statusbar_update( UI_STATUSBAR_ITEM_MOUSE, UI_STATUSBAR_STATE_ACTIVE );
return 1;
}
ui_error( UI_ERROR_WARNING, "Mouse grab failed" );
return 0;
}
int
ui_mouse_release( int suspend GCC_UNUSED )
{
gdk_pointer_ungrab( GDK_CURRENT_TIME );
ui_statusbar_update( UI_STATUSBAR_ITEM_MOUSE, UI_STATUSBAR_STATE_INACTIVE );
return 0;
}
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