2 Copyright (C) 2001 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __libgtkmm2ext_keyboard_h__
21 #define __libgtkmm2ext_keyboard_h__
28 #include <gtkmm/accelkey.h>
30 #include "pbd/stateful.h"
31 #include "pbd/signals.h"
33 #include "gtkmm2ext/visibility.h"
44 class LIBGTKMM2EXT_API Keyboard : public sigc::trackable, PBD::Stateful
50 XMLNode& get_state (void);
51 int set_state (const XMLNode&, int version);
53 virtual void setup_keybindings () = 0;
55 typedef std::vector<uint32_t> State;
56 typedef uint32_t ModifierMask;
58 static uint32_t PrimaryModifier;
59 static uint32_t SecondaryModifier;
60 static uint32_t TertiaryModifier;
61 static uint32_t Level4Modifier;
62 static uint32_t CopyModifier;
63 static uint32_t RangeSelectModifier;
64 static uint32_t GainFineScaleModifier;
65 static uint32_t GainExtraFineScaleModifier;
67 // Modifiers for scroll wheel
68 static uint32_t ScrollZoomVerticalModifier;
69 static uint32_t ScrollZoomHorizontalModifier;
70 static uint32_t ScrollHorizontalModifier;
72 static const char* primary_modifier_name ();
73 static const char* secondary_modifier_name ();
74 static const char* tertiary_modifier_name ();
75 static const char* level4_modifier_name ();
77 static void set_primary_modifier (uint32_t newval) {
78 set_modifier (newval, PrimaryModifier);
80 static void set_secondary_modifier (uint32_t newval) {
81 set_modifier (newval, SecondaryModifier);
83 static void set_tertiary_modifier (uint32_t newval) {
84 set_modifier (newval, TertiaryModifier);
86 static void set_level4_modifier (uint32_t newval) {
87 set_modifier (newval, Level4Modifier);
89 static void set_copy_modifier (uint32_t newval) {
90 set_modifier (newval, CopyModifier);
92 static void set_range_select_modifier (uint32_t newval) {
93 set_modifier (newval, RangeSelectModifier);
96 bool key_is_down (uint32_t keyval);
98 static GdkModifierType RelevantModifierKeyMask;
100 static bool no_modifier_keys_pressed(GdkEventButton* ev) {
101 return (ev->state & RelevantModifierKeyMask) == 0;
104 static bool no_modifier_keys_pressed(GdkEventKey* ev) {
105 return (ev->state & RelevantModifierKeyMask) == 0;
108 bool leave_window (GdkEventCrossing *ev, Gtk::Window*);
109 bool enter_window (GdkEventCrossing *ev, Gtk::Window*);
110 bool focus_in_window (GdkEventFocus *ev, Gtk::Window*);
111 bool focus_out_window (GdkEventFocus *ev, Gtk::Window*);
113 static bool modifier_state_contains (guint state, ModifierMask);
114 static bool modifier_state_equals (guint state, ModifierMask);
116 static bool no_modifiers_active (guint state);
118 static void set_snap_modifier (guint);
119 /** @return Modifier mask to temporarily toggle grid setting; with this modifier
120 * - magnetic or normal grid should become no grid and
121 * - no grid should become normal grid
123 static ModifierMask snap_modifier () { return ModifierMask (snap_mod); }
125 static void set_snap_delta_modifier (guint);
126 /** @return Modifier mask to temporarily toggle between relative and absolute grid setting.
127 * Absolute grid is for aligning objects with the grid lines.
128 * Relative grid is for maintaining an initial position relative to the grid lines.
129 * With this modifier:
130 * - magnetic or normal grid should snap relative to an initial grid offset
131 * - no grid should snap relative to the grid.
133 static ModifierMask snap_delta_modifier () { return ModifierMask (snap_delta_mod); }
135 static guint edit_button() { return edit_but; }
136 static void set_edit_button (guint);
137 static guint edit_modifier() { return edit_mod; }
138 static void set_edit_modifier(guint);
140 static guint delete_button() { return delete_but; }
141 static void set_delete_button(guint);
142 static guint delete_modifier() { return delete_mod; }
143 static void set_delete_modifier(guint);
145 static guint insert_note_button() { return insert_note_but; }
146 static void set_insert_note_button (guint);
147 static guint insert_note_modifier() { return insert_note_mod; }
148 static void set_insert_note_modifier(guint);
150 static bool is_edit_event (GdkEventButton*);
151 static bool is_delete_event (GdkEventButton*);
152 static bool is_insert_note_event (GdkEventButton*);
153 static bool is_context_menu_event (GdkEventButton*);
154 static bool is_button2_event (GdkEventButton*);
156 static Keyboard& the_keyboard() { return *_the_keyboard; }
158 static bool some_magic_widget_has_focus ();
159 static void magic_widget_grab_focus ();
160 static void magic_widget_drop_focus ();
161 static Gtk::Window* get_current_window () { return current_window; };
163 static void close_current_dialog ();
165 static void keybindings_changed ();
166 static void save_keybindings ();
167 static void set_can_save_keybindings (bool yn);
168 static std::string current_binding_name () { return _current_binding_name; }
169 static std::map<std::string,std::string> binding_files;
171 static bool catch_user_event_for_pre_dialog_focus (GdkEvent* ev, Gtk::Window* w);
173 static bool load_keybindings (std::string const& path);
174 static void save_keybindings (std::string const& path);
176 static std::string binding_filename_suffix;
178 int reset_bindings ();
180 sigc::signal0<void> ZoomVerticalModifierReleased;
183 static Keyboard* _the_keyboard;
188 static guint edit_but;
189 static guint edit_mod;
190 static guint delete_but;
191 static guint delete_mod;
192 static guint insert_note_but;
193 static guint insert_note_mod;
194 static guint snap_mod;
195 static guint snap_delta_mod;
196 static guint button2_modifiers;
197 static Gtk::Window* current_window;
198 static std::string user_keybindings_path;
199 static bool can_save_keybindings;
200 static bool bindings_changed_after_save_became_legal;
201 static std::string _current_binding_name;
203 typedef std::pair<std::string,std::string> two_strings;
205 static gint _snooper (GtkWidget*, GdkEventKey*, gpointer);
206 gint snooper (GtkWidget*, GdkEventKey*);
208 static void set_modifier (uint32_t newval, uint32_t& variable);
210 static bool _some_magic_widget_has_focus;
212 static Gtk::Window* pre_dialog_active_window;
214 static int read_keybindings (std::string const& path);
215 static int store_keybindings (std::string const& path);
220 #endif /* __libgtkmm2ext_keyboard_h__ */