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"
29 ModifierFlags g_modifier_state = c_modifierNone;
32 typedef std::vector<WindowObserver *> WindowObservers;
34 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) {
38 (*i)->onModifierDown(type);
42 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) {
46 (*i)->onModifierUp(type);
50 #include <gdk/gdkkeysyms.h>
52 gboolean selection_modifier_key_press(ui::Widget widget, GdkEventKey *event, WindowObservers &observers)
54 switch (event->keyval) {
57 //globalOutputStream() << "Alt PRESSED\n";
58 WindowObservers_OnModifierDown(observers, c_modifierAlt);
62 //globalOutputStream() << "Shift PRESSED\n";
63 WindowObservers_OnModifierDown(observers, c_modifierShift);
65 case GDK_KEY_Control_L:
66 case GDK_KEY_Control_R:
67 //globalOutputStream() << "Control PRESSED\n";
68 WindowObservers_OnModifierDown(observers, c_modifierControl);
74 gboolean selection_modifier_key_release(ui::Widget widget, GdkEventKey *event, WindowObservers &observers)
76 switch (event->keyval) {
79 //globalOutputStream() << "Alt RELEASED\n";
80 WindowObservers_OnModifierUp(observers, c_modifierAlt);
84 //globalOutputStream() << "Shift RELEASED\n";
85 WindowObservers_OnModifierUp(observers, c_modifierShift);
87 case GDK_KEY_Control_L:
88 case GDK_KEY_Control_R:
89 //globalOutputStream() << "Control RELEASED\n";
90 WindowObservers_OnModifierUp(observers, c_modifierControl);
96 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)
108 WindowObservers_UpdateModifier(observers, modifiers, c_modifierAlt);
109 WindowObservers_UpdateModifier(observers, modifiers, c_modifierShift);
110 WindowObservers_UpdateModifier(observers, modifiers, c_modifierControl);
113 gboolean modifiers_button_press(ui::Widget widget, GdkEventButton *event, WindowObservers *observers)
115 if (event->type == GDK_BUTTON_PRESS) {
116 WindowObservers_UpdateModifiers(*observers, modifiers_for_state(event->state));
121 gboolean modifiers_button_release(ui::Widget widget, GdkEventButton *event, WindowObservers *observers)
123 if (event->type == GDK_BUTTON_RELEASE) {
124 WindowObservers_UpdateModifiers(*observers, modifiers_for_state(event->state));
129 gboolean modifiers_motion(ui::Widget widget, GdkEventMotion *event, WindowObservers *observers)
131 WindowObservers_UpdateModifiers(*observers, modifiers_for_state(event->state));
136 WindowObservers g_window_observers;
138 void GlobalWindowObservers_updateModifiers(ModifierFlags modifiers)
140 WindowObservers_UpdateModifiers(g_window_observers, modifiers);
143 void GlobalWindowObservers_add(WindowObserver *observer)
145 g_window_observers.push_back(observer);
148 void GlobalWindowObservers_connectTopLevel(ui::Window window)
150 window.connect("key_press_event", G_CALLBACK(selection_modifier_key_press), &g_window_observers);
151 window.connect("key_release_event", G_CALLBACK(selection_modifier_key_release), &g_window_observers);
154 void GlobalWindowObservers_connectWidget(ui::Widget widget)
156 widget.connect("button_press_event", G_CALLBACK(modifiers_button_press), &g_window_observers);
157 widget.connect("button_release_event", G_CALLBACK(modifiers_button_release), &g_window_observers);
158 widget.connect("motion_notify_event", G_CALLBACK(modifiers_motion), &g_window_observers);
161 ModifierFlags modifiers_for_state(unsigned int state)
163 ModifierFlags modifiers = c_modifierNone;
164 if (state & GDK_SHIFT_MASK) {
165 modifiers |= c_modifierShift;
167 if (state & GDK_CONTROL_MASK) {
168 modifiers |= c_modifierControl;
170 if (state & GDK_MOD1_MASK) {
171 modifiers |= c_modifierAlt;