146 lines
4.1 KiB
C++
146 lines
4.1 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined( INCLUDED_GTKUTIL_CURSOR_H )
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#define INCLUDED_GTKUTIL_CURSOR_H
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#include <uilib/uilib.h>
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#include "debugging/debugging.h"
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typedef struct _GdkCursor GdkCursor;
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typedef struct _GdkEventMotion GdkEventMotion;
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GdkCursor *create_blank_cursor();
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void blank_cursor(ui::Widget widget);
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void default_cursor(ui::Widget widget);
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void Sys_GetCursorPos(ui::Window window, int *x, int *y);
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void Sys_SetCursorPos(ui::Window window, int x, int y);
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class DeferredMotion {
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guint m_handler;
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typedef void ( *MotionFunction )(gdouble x, gdouble y, guint state, void *data);
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MotionFunction m_function;
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void *m_data;
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gdouble m_x;
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gdouble m_y;
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guint m_state;
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static gboolean deferred(DeferredMotion *self)
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{
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self->m_handler = 0;
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self->m_function(self->m_x, self->m_y, self->m_state, self->m_data);
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return FALSE;
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}
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public:
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DeferredMotion(MotionFunction function, void *data) : m_handler(0), m_function(function), m_data(data)
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{
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}
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void motion(gdouble x, gdouble y, guint state)
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{
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m_x = x;
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m_y = y;
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m_state = state;
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if (m_handler == 0) {
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m_handler = g_idle_add((GSourceFunc) deferred, this);
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}
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}
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static gboolean gtk_motion(ui::Widget widget, GdkEventMotion *event, DeferredMotion *self);
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};
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class DeferredMotionDelta {
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int m_delta_x;
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int m_delta_y;
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guint m_motion_handler;
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typedef void ( *MotionDeltaFunction )(int x, int y, void *data);
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MotionDeltaFunction m_function;
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void *m_data;
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static gboolean deferred_motion(gpointer data)
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{
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reinterpret_cast<DeferredMotionDelta *>( data )->m_function(
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reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_x,
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reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_y,
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reinterpret_cast<DeferredMotionDelta *>( data )->m_data
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);
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reinterpret_cast<DeferredMotionDelta *>( data )->m_motion_handler = 0;
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reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_x = 0;
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reinterpret_cast<DeferredMotionDelta *>( data )->m_delta_y = 0;
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return FALSE;
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}
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public:
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DeferredMotionDelta(MotionDeltaFunction function, void *data) : m_delta_x(0), m_delta_y(0), m_motion_handler(0),
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m_function(function), m_data(data)
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{
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}
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void flush()
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{
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if (m_motion_handler != 0) {
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g_source_remove(m_motion_handler);
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deferred_motion(this);
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}
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}
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void motion_delta(int x, int y, unsigned int state)
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{
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m_delta_x += x;
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m_delta_y += y;
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if (m_motion_handler == 0) {
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m_motion_handler = g_idle_add(deferred_motion, this);
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}
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}
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};
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class FreezePointer {
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unsigned int handle_motion;
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int recorded_x, recorded_y, last_x, last_y;
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typedef void ( *MotionDeltaFunction )(int x, int y, unsigned int state, void *data);
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MotionDeltaFunction m_function;
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void *m_data;
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public:
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FreezePointer() : handle_motion(0), m_function(0), m_data(0)
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{
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}
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static gboolean motion_delta(ui::Window widget, GdkEventMotion *event, FreezePointer *self);
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void freeze_pointer(ui::Window window, MotionDeltaFunction function, void *data);
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void unfreeze_pointer(ui::Window window);
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};
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#endif
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