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 #include "windowobservers.h"
26 #include "generic/bitfield.h"
30 ModifierFlags g_modifier_state = c_modifierNone;
33 typedef std::vector<WindowObserver*> WindowObservers;
35 inline void WindowObservers_OnModifierDown( WindowObservers& observers, ModifierFlags type ){
36 g_modifier_state = bitfield_enable( g_modifier_state, type );
37 for ( WindowObservers::iterator i = observers.begin(); i != observers.end(); ++i )
39 ( *i )->onModifierDown( type );
43 inline void WindowObservers_OnModifierUp( WindowObservers& observers, ModifierFlags type ){
44 g_modifier_state = bitfield_disable( g_modifier_state, type );
45 for ( WindowObservers::iterator i = observers.begin(); i != observers.end(); ++i )
47 ( *i )->onModifierUp( type );
51 #include <gdk/gdkkeysyms.h>
53 gboolean selection_modifier_key_press( ui::Widget widget, GdkEventKey* event, WindowObservers& observers ){
54 switch ( event->keyval )
58 //globalOutputStream() << "Alt PRESSED\n";
59 WindowObservers_OnModifierDown( observers, c_modifierAlt );
63 //globalOutputStream() << "Shift PRESSED\n";
64 WindowObservers_OnModifierDown( observers, c_modifierShift );
66 case GDK_KEY_Control_L:
67 case GDK_KEY_Control_R:
68 //globalOutputStream() << "Control PRESSED\n";
69 WindowObservers_OnModifierDown( observers, c_modifierControl );
75 gboolean selection_modifier_key_release( ui::Widget widget, GdkEventKey* event, WindowObservers& observers ){
76 switch ( event->keyval )
80 //globalOutputStream() << "Alt RELEASED\n";
81 WindowObservers_OnModifierUp( observers, c_modifierAlt );
85 //globalOutputStream() << "Shift RELEASED\n";
86 WindowObservers_OnModifierUp( observers, c_modifierShift );
88 case GDK_KEY_Control_L:
89 case GDK_KEY_Control_R:
90 //globalOutputStream() << "Control RELEASED\n";
91 WindowObservers_OnModifierUp( observers, c_modifierControl );
97 void WindowObservers_UpdateModifier( WindowObservers& observers, ModifierFlags modifiers, ModifierFlags modifier ){
98 if ( !bitfield_enabled( g_modifier_state, modifier ) && bitfield_enabled( modifiers, modifier ) ) {
99 WindowObservers_OnModifierDown( observers, modifier );
101 if ( bitfield_enabled( g_modifier_state, modifier ) && !bitfield_enabled( modifiers, modifier ) ) {
102 WindowObservers_OnModifierUp( observers, modifier );
106 void WindowObservers_UpdateModifiers( WindowObservers& observers, ModifierFlags modifiers ){
107 WindowObservers_UpdateModifier( observers, modifiers, c_modifierAlt );
108 WindowObservers_UpdateModifier( observers, modifiers, c_modifierShift );
109 WindowObservers_UpdateModifier( observers, modifiers, c_modifierControl );
112 gboolean modifiers_button_press( ui::Widget widget, GdkEventButton* event, WindowObservers* observers ){
113 if ( event->type == GDK_BUTTON_PRESS ) {
114 WindowObservers_UpdateModifiers( *observers, modifiers_for_state( event->state ) );
119 gboolean modifiers_button_release( ui::Widget widget, GdkEventButton* event, WindowObservers* observers ){
120 if ( event->type == GDK_BUTTON_RELEASE ) {
121 WindowObservers_UpdateModifiers( *observers, modifiers_for_state( event->state ) );
126 gboolean modifiers_motion( ui::Widget widget, GdkEventMotion *event, WindowObservers* observers ){
127 WindowObservers_UpdateModifiers( *observers, modifiers_for_state( event->state ) );
132 WindowObservers g_window_observers;
134 void GlobalWindowObservers_updateModifiers( ModifierFlags modifiers ){
135 WindowObservers_UpdateModifiers( g_window_observers, modifiers );
138 void GlobalWindowObservers_add( WindowObserver* observer ){
139 g_window_observers.push_back( observer );
142 void GlobalWindowObservers_connectTopLevel( ui::Window window ){
143 window.connect( "key_press_event", G_CALLBACK( selection_modifier_key_press ), &g_window_observers );
144 window.connect( "key_release_event", G_CALLBACK( selection_modifier_key_release ), &g_window_observers );
147 void GlobalWindowObservers_connectWidget( ui::Widget widget ){
148 widget.connect( "button_press_event", G_CALLBACK( modifiers_button_press ), &g_window_observers );
149 widget.connect( "button_release_event", G_CALLBACK( modifiers_button_release ), &g_window_observers );
150 widget.connect( "motion_notify_event", G_CALLBACK( modifiers_motion ), &g_window_observers );
153 ModifierFlags modifiers_for_state(unsigned int state)
155 ModifierFlags modifiers = c_modifierNone;
156 if ( state & GDK_SHIFT_MASK ) {
157 modifiers |= c_modifierShift;
159 if ( state & GDK_CONTROL_MASK ) {
160 modifiers |= c_modifierControl;
162 if ( state & GDK_MOD1_MASK ) {
163 modifiers |= c_modifierAlt;