+++ /dev/null
-/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
-
-This file is part of GtkRadiant.
-
-GtkRadiant 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.
-
-GtkRadiant 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 GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#if !defined(INCLUDED_GTKUTIL_CURSOR_H)
-#define INCLUDED_GTKUTIL_CURSOR_H
-
-#include <glib/gmain.h>
-#include <gdk/gdkevents.h>
-#include <gtk/gtkwidget.h>
-#include <gtk/gtkwindow.h>
-
-#include "debugging/debugging.h"
-
-typedef struct _GdkCursor GdkCursor;
-typedef struct _GtkWidget GtkWidget;
-typedef struct _GtkWindow GtkWindow;
-
-GdkCursor* create_blank_cursor();
-void blank_cursor(GtkWidget* widget);
-void default_cursor(GtkWidget* widget);
-void Sys_GetCursorPos(GtkWindow* window, int *x, int *y);
-void Sys_SetCursorPos(GtkWindow* window, int x, int y);
-
-
-
-class DeferredMotion
-{
- guint m_handler;
- typedef void(*MotionFunction)(gdouble x, gdouble y, guint state, void* data);
- MotionFunction m_function;
- void* m_data;
- gdouble m_x;
- gdouble m_y;
- guint m_state;
-
- static gboolean deferred(DeferredMotion* self)
- {
- self->m_handler = 0;
- self->m_function(self->m_x, self->m_y, self->m_state, self->m_data);
- return FALSE;
- }
-public:
- DeferredMotion(MotionFunction function, void* data) : m_handler(0), m_function(function), m_data(data)
- {
- }
- void motion(gdouble x, gdouble y, guint state)
- {
- m_x = x;
- m_y = y;
- m_state = state;
- if(m_handler == 0)
- {
- m_handler = g_idle_add((GSourceFunc)deferred, this);
- }
- }
- static gboolean gtk_motion(GtkWidget *widget, GdkEventMotion *event, DeferredMotion* self)
- {
- self->motion(event->x, event->y, event->state);
- return FALSE;
- }
-};
-
-class DeferredMotionDelta
-{
- int m_delta_x;
- int m_delta_y;
- guint m_motion_handler;
- typedef void (*MotionDeltaFunction)(int x, int y, void* data);
- MotionDeltaFunction m_function;
- void* m_data;
-
- static gboolean deferred_motion(gpointer data)
- {
- reinterpret_cast<DeferredMotionDelta*>(data)->m_function(
- reinterpret_cast<DeferredMotionDelta*>(data)->m_delta_x,
- reinterpret_cast<DeferredMotionDelta*>(data)->m_delta_y,
- reinterpret_cast<DeferredMotionDelta*>(data)->m_data
- );
- reinterpret_cast<DeferredMotionDelta*>(data)->m_motion_handler = 0;
- reinterpret_cast<DeferredMotionDelta*>(data)->m_delta_x = 0;
- reinterpret_cast<DeferredMotionDelta*>(data)->m_delta_y = 0;
- return FALSE;
- }
-public:
- DeferredMotionDelta(MotionDeltaFunction function, void* data) : m_delta_x(0), m_delta_y(0), m_motion_handler(0), m_function(function), m_data(data)
- {
- }
- void flush()
- {
- if(m_motion_handler != 0)
- {
- g_source_remove(m_motion_handler);
- deferred_motion(this);
- }
- }
- void motion_delta(int x, int y, unsigned int state)
- {
- m_delta_x += x;
- m_delta_y += y;
- if(m_motion_handler == 0)
- {
- m_motion_handler = g_idle_add(deferred_motion, this);
- }
- }
-};
-
-class FreezePointer
-{
- unsigned int handle_motion;
- int recorded_x, recorded_y;
- typedef void (*MotionDeltaFunction)(int x, int y, unsigned int state, void* data);
- MotionDeltaFunction m_function;
- void* m_data;
-public:
- FreezePointer() : handle_motion(0), m_function(0), m_data(0)
- {
- }
- static gboolean motion_delta(GtkWidget *widget, GdkEventMotion *event, FreezePointer* self)
- {
- int current_x, current_y;
- Sys_GetCursorPos(GTK_WINDOW(widget), ¤t_x, ¤t_y);
- int dx = current_x - self->recorded_x;
- int dy = current_y - self->recorded_y;
- if(dx != 0 || dy != 0)
- {
- //globalOutputStream() << "motion x: " << dx << ", y: " << dy << "\n";
- Sys_SetCursorPos(GTK_WINDOW(widget), self->recorded_x, self->recorded_y);
- self->m_function(dx, dy, event->state, self->m_data);
- }
- return FALSE;
- }
-
- void freeze_pointer(GtkWindow* window, MotionDeltaFunction function, void* data)
- {
- ASSERT_MESSAGE(m_function == 0, "can't freeze pointer");
-
- const GdkEventMask mask = static_cast<GdkEventMask>(GDK_POINTER_MOTION_MASK
- | GDK_POINTER_MOTION_HINT_MASK
- | GDK_BUTTON_MOTION_MASK
- | GDK_BUTTON1_MOTION_MASK
- | GDK_BUTTON2_MOTION_MASK
- | GDK_BUTTON3_MOTION_MASK
- | GDK_BUTTON_PRESS_MASK
- | GDK_BUTTON_RELEASE_MASK
- | GDK_VISIBILITY_NOTIFY_MASK);
-
- GdkCursor* cursor = create_blank_cursor();
- //GdkGrabStatus status =
- gdk_pointer_grab(GTK_WIDGET(window)->window, TRUE, mask, 0, cursor, GDK_CURRENT_TIME);
- gdk_cursor_unref(cursor);
-
- Sys_GetCursorPos(window, &recorded_x, &recorded_y);
-
- Sys_SetCursorPos(window, recorded_x, recorded_y);
-
- m_function = function;
- m_data = data;
-
- handle_motion = g_signal_connect(G_OBJECT(window), "motion_notify_event", G_CALLBACK(motion_delta), this);
- }
-
- void unfreeze_pointer(GtkWindow* window)
- {
- g_signal_handler_disconnect(G_OBJECT(window), handle_motion);
-
- m_function = 0;
- m_data = 0;
-
- Sys_SetCursorPos(window, recorded_x, recorded_y);
-
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
- }
-};
-
-#endif
projects / voretournament / voretournament.git / blobdiff