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/* gtkmouse.c: GTK+ routines for emulating Spectrum mice
Copyright (c) 2004 Darren Salt
Copyright (c) 2015 Sergio Baldoví
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 <gtk/gtk.h>
#include <gdk/gdk.h>
#include "gtkinternals.h"
#include "ui/ui.h"
/* For XWarpPointer *only* - see below */
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
static GdkCursor *nullpointer = NULL;
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
*/
GdkWindow *window = gtk_widget_get_window( gtkui_drawing_area );
XWarpPointer( GDK_WINDOW_XDISPLAY( window ), None,
GDK_WINDOW_XID( window ), 0, 0, 0, 0, 128, 128 );
}
gboolean
gtkmouse_position( GtkWidget *widget GCC_UNUSED,
GdkEventMotion *event, 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 )
{
GdkWindow *window;
GdkGrabStatus status;
if( startup ) return 0;
window = gtk_widget_get_window( gtkui_drawing_area );
#if !GTK_CHECK_VERSION( 3, 0, 0 )
if( !nullpointer ) {
nullpointer = gdk_cursor_new( GDK_BLANK_CURSOR );
}
status = gdk_pointer_grab( window, FALSE,
GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK,
window, nullpointer, GDK_CURRENT_TIME );
#else
GdkDisplay *display;
GdkDeviceManager *device_manager;
GdkDevice *pointer;
display = gdk_window_get_display( window );
if( !nullpointer ) {
nullpointer = gdk_cursor_new_for_display( display, GDK_BLANK_CURSOR );
}
device_manager = gdk_display_get_device_manager( display );
pointer = gdk_device_manager_get_client_pointer( device_manager );
status = gdk_device_grab( pointer, window, GDK_OWNERSHIP_WINDOW, FALSE,
GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK,
nullpointer, GDK_CURRENT_TIME );
#endif /* #if !GTK_CHECK_VERSION( 3, 0, 0 ) */
if( status == 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 )
{
#if !GTK_CHECK_VERSION( 3, 0, 0 )
gdk_pointer_ungrab( GDK_CURRENT_TIME );
#else
GdkDisplay *display;
GdkDeviceManager *device_manager;
GdkDevice *pointer;
display = gtk_widget_get_display( gtkui_drawing_area );
device_manager = gdk_display_get_device_manager( display );
pointer = gdk_device_manager_get_client_pointer( device_manager );
gdk_device_ungrab( pointer, GDK_CURRENT_TIME );
#endif /* #if !GTK_CHECK_VERSION( 3, 0, 0 ) */
ui_statusbar_update( UI_STATUSBAR_ITEM_MOUSE, UI_STATUSBAR_STATE_INACTIVE );
return 0;
}
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