152 lines
5.3 KiB
C++
152 lines
5.3 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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#include "windowobservers.h"
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#include <vector>
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#include <gdk/gdk.h>
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#include "generic/bitfield.h"
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namespace
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{
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ModifierFlags g_modifier_state = c_modifierNone;
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}
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typedef std::vector<WindowObserver*> WindowObservers;
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inline void WindowObservers_OnModifierDown( WindowObservers& observers, ModifierFlags type ){
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g_modifier_state = bitfield_enable( g_modifier_state, type );
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for ( WindowObservers::iterator i = observers.begin(); i != observers.end(); ++i )
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{
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( *i )->onModifierDown( type );
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}
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}
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inline void WindowObservers_OnModifierUp( WindowObservers& observers, ModifierFlags type ){
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g_modifier_state = bitfield_disable( g_modifier_state, type );
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for ( WindowObservers::iterator i = observers.begin(); i != observers.end(); ++i )
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{
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( *i )->onModifierUp( type );
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}
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}
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#include <gdk/gdkkeysyms.h>
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gboolean selection_modifier_key_press( GtkWidget* widget, GdkEventKey* event, WindowObservers& observers ){
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switch ( event->keyval )
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{
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case GDK_KEY_Alt_L:
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case GDK_KEY_Alt_R:
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//globalOutputStream() << "Alt PRESSED\n";
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WindowObservers_OnModifierDown( observers, c_modifierAlt );
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break;
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case GDK_KEY_Shift_L:
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case GDK_KEY_Shift_R:
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//globalOutputStream() << "Shift PRESSED\n";
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WindowObservers_OnModifierDown( observers, c_modifierShift );
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break;
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case GDK_KEY_Control_L:
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case GDK_KEY_Control_R:
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//globalOutputStream() << "Control PRESSED\n";
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WindowObservers_OnModifierDown( observers, c_modifierControl );
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break;
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}
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return FALSE;
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}
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gboolean selection_modifier_key_release( GtkWidget* widget, GdkEventKey* event, WindowObservers& observers ){
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switch ( event->keyval )
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{
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case GDK_KEY_Alt_L:
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case GDK_KEY_Alt_R:
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//globalOutputStream() << "Alt RELEASED\n";
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WindowObservers_OnModifierUp( observers, c_modifierAlt );
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break;
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case GDK_KEY_Shift_L:
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case GDK_KEY_Shift_R:
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//globalOutputStream() << "Shift RELEASED\n";
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WindowObservers_OnModifierUp( observers, c_modifierShift );
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break;
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case GDK_KEY_Control_L:
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case GDK_KEY_Control_R:
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//globalOutputStream() << "Control RELEASED\n";
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WindowObservers_OnModifierUp( observers, c_modifierControl );
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break;
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}
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return FALSE;
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}
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void WindowObservers_UpdateModifier( WindowObservers& observers, ModifierFlags modifiers, ModifierFlags modifier ){
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if ( !bitfield_enabled( g_modifier_state, modifier ) && bitfield_enabled( modifiers, modifier ) ) {
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WindowObservers_OnModifierDown( observers, modifier );
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}
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if ( bitfield_enabled( g_modifier_state, modifier ) && !bitfield_enabled( modifiers, modifier ) ) {
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WindowObservers_OnModifierUp( observers, modifier );
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}
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}
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void WindowObservers_UpdateModifiers( WindowObservers& observers, ModifierFlags modifiers ){
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WindowObservers_UpdateModifier( observers, modifiers, c_modifierAlt );
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WindowObservers_UpdateModifier( observers, modifiers, c_modifierShift );
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WindowObservers_UpdateModifier( observers, modifiers, c_modifierControl );
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}
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gboolean modifiers_button_press( GtkWidget* widget, GdkEventButton* event, WindowObservers* observers ){
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if ( event->type == GDK_BUTTON_PRESS ) {
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WindowObservers_UpdateModifiers( *observers, modifiers_for_state( event->state ) );
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}
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return FALSE;
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}
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gboolean modifiers_button_release( GtkWidget* widget, GdkEventButton* event, WindowObservers* observers ){
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if ( event->type == GDK_BUTTON_RELEASE ) {
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WindowObservers_UpdateModifiers( *observers, modifiers_for_state( event->state ) );
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}
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return FALSE;
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}
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gboolean modifiers_motion( GtkWidget *widget, GdkEventMotion *event, WindowObservers* observers ){
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WindowObservers_UpdateModifiers( *observers, modifiers_for_state( event->state ) );
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return FALSE;
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}
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WindowObservers g_window_observers;
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void GlobalWindowObservers_updateModifiers( ModifierFlags modifiers ){
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WindowObservers_UpdateModifiers( g_window_observers, modifiers );
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}
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void GlobalWindowObservers_add( WindowObserver* observer ){
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g_window_observers.push_back( observer );
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}
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void GlobalWindowObservers_connectTopLevel( GtkWindow* window ){
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g_signal_connect( G_OBJECT( window ), "key_press_event", G_CALLBACK( selection_modifier_key_press ), &g_window_observers );
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g_signal_connect( G_OBJECT( window ), "key_release_event", G_CALLBACK( selection_modifier_key_release ), &g_window_observers );
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}
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void GlobalWindowObservers_connectWidget( GtkWidget* widget ){
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g_signal_connect( G_OBJECT( widget ), "button_press_event", G_CALLBACK( modifiers_button_press ), &g_window_observers );
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g_signal_connect( G_OBJECT( widget ), "button_release_event", G_CALLBACK( modifiers_button_release ), &g_window_observers );
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g_signal_connect( G_OBJECT( widget ), "motion_notify_event", G_CALLBACK( modifiers_motion ), &g_window_observers );
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}
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