2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if !defined( INCLUDED_GTKUTIL_CURSOR_H )
23 #define INCLUDED_GTKUTIL_CURSOR_H
25 #include <uilib/uilib.h>
27 #include "debugging/debugging.h"
29 typedef struct _GdkCursor GdkCursor;
30 typedef struct _GdkEventMotion GdkEventMotion;
32 GdkCursor *create_blank_cursor();
34 void blank_cursor(ui::Widget widget);
36 void default_cursor(ui::Widget widget);
38 void Sys_GetCursorPos(ui::Window window, int *x, int *y);
40 void Sys_SetCursorPos(ui::Window window, int x, int y);
43 class DeferredMotion {
46 typedef void ( *MotionFunction )(gdouble x, gdouble y, guint state, void *data);
48 MotionFunction m_function;
54 static gboolean deferred(DeferredMotion *self)
57 self->m_function(self->m_x, self->m_y, self->m_state, self->m_data);
62 DeferredMotion(MotionFunction function, void *data) : m_handler(0), m_function(function), m_data(data)
66 void motion(gdouble x, gdouble y, guint state)
72 m_handler = g_idle_add((GSourceFunc) deferred, this);
76 static gboolean gtk_motion(ui::Widget widget, GdkEventMotion *event, DeferredMotion *self);
79 class DeferredMotionDelta {
82 guint m_motion_handler;
84 typedef void ( *MotionDeltaFunction )(int x, int y, void *data);
86 MotionDeltaFunction m_function;
89 static gboolean deferred_motion(gpointer data)
91 reinterpret_cast<DeferredMotionDelta *>( data )->m_function(
92 reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_x,
93 reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_y,
94 reinterpret_cast<DeferredMotionDelta *>( data )->m_data
96 reinterpret_cast<DeferredMotionDelta *>( data )->m_motion_handler = 0;
97 reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_x = 0;
98 reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_y = 0;
103 DeferredMotionDelta(MotionDeltaFunction function, void *data) : m_delta_x(0), m_delta_y(0), m_motion_handler(0),
104 m_function(function), m_data(data)
110 if (m_motion_handler != 0) {
111 g_source_remove(m_motion_handler);
112 deferred_motion(this);
116 void motion_delta(int x, int y, unsigned int state)
120 if (m_motion_handler == 0) {
121 m_motion_handler = g_idle_add(deferred_motion, this);
126 class FreezePointer {
127 unsigned int handle_motion;
128 int recorded_x, recorded_y, last_x, last_y;
130 typedef void ( *MotionDeltaFunction )(int x, int y, unsigned int state, void *data);
132 MotionDeltaFunction m_function;
135 FreezePointer() : handle_motion(0), m_function(0), m_data(0)
139 static gboolean motion_delta(ui::Window widget, GdkEventMotion *event, FreezePointer *self);
141 void freeze_pointer(ui::Window window, MotionDeltaFunction function, void *data);
143 void unfreeze_pointer(ui::Window window);