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
24 #include "stream/textstream.h"
31 GdkCursor *create_blank_cursor()
33 return gdk_cursor_new(GDK_BLANK_CURSOR);
36 void blank_cursor(ui::Widget widget)
38 GdkCursor *cursor = create_blank_cursor();
39 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
40 gdk_cursor_unref(cursor);
43 void default_cursor(ui::Widget widget)
45 gdk_window_set_cursor(gtk_widget_get_window(widget), 0);
49 void Sys_GetCursorPos(ui::Window window, int *x, int *y)
51 gdk_display_get_pointer(gdk_display_get_default(), 0, x, y, 0);
54 void Sys_SetCursorPos(ui::Window window, int x, int y)
57 gdk_display_get_pointer(gdk_display_get_default(), &screen, 0, 0, 0);
58 gdk_display_warp_pointer(gdk_display_get_default(), screen, x, y);
61 gboolean DeferredMotion::gtk_motion(ui::Widget widget, GdkEventMotion *event, DeferredMotion *self)
63 self->motion(event->x, event->y, event->state);
67 gboolean FreezePointer::motion_delta(ui::Window widget, GdkEventMotion *event, FreezePointer *self)
69 int current_x, current_y;
70 Sys_GetCursorPos(widget, ¤t_x, ¤t_y);
71 int dx = current_x - self->last_x;
72 int dy = current_y - self->last_y;
73 int ddx = current_x - self->recorded_x;
74 int ddy = current_y - self->recorded_y;
75 self->last_x = current_x;
76 self->last_y = current_y;
77 if (dx != 0 || dy != 0) {
78 //globalOutputStream() << "motion x: " << dx << ", y: " << dy << "\n";
79 if (ddx < -32 || ddx > 32 || ddy < -32 || ddy > 32) {
80 Sys_SetCursorPos(widget, self->recorded_x, self->recorded_y);
81 self->last_x = self->recorded_x;
82 self->last_y = self->recorded_y;
84 self->m_function(dx, dy, event->state, self->m_data);
89 void FreezePointer::freeze_pointer(ui::Window window, FreezePointer::MotionDeltaFunction function, void *data)
91 ASSERT_MESSAGE(m_function == 0, "can't freeze pointer");
93 const GdkEventMask mask = static_cast<GdkEventMask>( GDK_POINTER_MOTION_MASK
94 | GDK_POINTER_MOTION_HINT_MASK
95 | GDK_BUTTON_MOTION_MASK
96 | GDK_BUTTON1_MOTION_MASK
97 | GDK_BUTTON2_MOTION_MASK
98 | GDK_BUTTON3_MOTION_MASK
99 | GDK_BUTTON_PRESS_MASK
100 | GDK_BUTTON_RELEASE_MASK
101 | GDK_VISIBILITY_NOTIFY_MASK );
103 GdkCursor *cursor = create_blank_cursor();
104 //GdkGrabStatus status =
105 gdk_pointer_grab(gtk_widget_get_window(window), TRUE, mask, 0, cursor, GDK_CURRENT_TIME);
106 gdk_cursor_unref(cursor);
108 Sys_GetCursorPos(window, &recorded_x, &recorded_y);
110 Sys_SetCursorPos(window, recorded_x, recorded_y);
115 m_function = function;
118 handle_motion = window.connect("motion_notify_event", G_CALLBACK(motion_delta), this);
121 void FreezePointer::unfreeze_pointer(ui::Window window)
123 g_signal_handler_disconnect(G_OBJECT(window), handle_motion);
128 Sys_SetCursorPos(window, recorded_x, recorded_y);
130 gdk_pointer_ungrab(GDK_CURRENT_TIME);