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__
27 #include <sigc++/signal.h>
29 #include <gtkmm/accelkey.h>
31 #include "pbd/stateful.h"
33 #include "gtkmm2ext/visibility.h"
41 class LIBGTKMM2EXT_API Keyboard : public sigc::trackable, PBD::Stateful
47 XMLNode& get_state (void);
48 int set_state (const XMLNode&, int version);
50 virtual void setup_keybindings () = 0;
52 typedef std::vector<uint32_t> State;
53 typedef uint32_t ModifierMask;
55 static uint32_t PrimaryModifier;
56 static uint32_t SecondaryModifier;
57 static uint32_t TertiaryModifier;
58 static uint32_t Level4Modifier;
59 static uint32_t CopyModifier;
60 static uint32_t RangeSelectModifier;
61 static uint32_t GainFineScaleModifier;
62 static uint32_t GainExtraFineScaleModifier;
64 // Modifiers for scroll wheel
65 static uint32_t ScrollZoomVerticalModifier;
66 static uint32_t ScrollZoomHorizontalModifier;
67 static uint32_t ScrollHorizontalModifier;
69 static const char* primary_modifier_name ();
70 static const char* secondary_modifier_name ();
71 static const char* tertiary_modifier_name ();
72 static const char* level4_modifier_name ();
73 static const char* copy_modifier_name ();
74 static const char* rangeselect_modifier_name ();
76 static void set_primary_modifier (uint32_t newval) {
77 set_modifier (newval, PrimaryModifier);
79 static void set_secondary_modifier (uint32_t newval) {
80 set_modifier (newval, SecondaryModifier);
82 static void set_tertiary_modifier (uint32_t newval) {
83 set_modifier (newval, TertiaryModifier);
85 static void set_level4_modifier (uint32_t newval) {
86 set_modifier (newval, Level4Modifier);
88 static void set_copy_modifier (uint32_t newval) {
89 set_modifier (newval, CopyModifier);
91 static void set_range_select_modifier (uint32_t newval) {
92 set_modifier (newval, RangeSelectModifier);
95 bool key_is_down (uint32_t keyval);
97 static GdkModifierType RelevantModifierKeyMask;
99 static bool no_modifier_keys_pressed(GdkEventButton* ev) {
100 return (ev->state & RelevantModifierKeyMask) == 0;
103 static bool no_modifier_keys_pressed(GdkEventKey* ev) {
104 return (ev->state & RelevantModifierKeyMask) == 0;
107 bool leave_window (GdkEventCrossing *ev, Gtk::Window*);
108 bool enter_window (GdkEventCrossing *ev, Gtk::Window*);
109 bool focus_in_window (GdkEventFocus *ev, Gtk::Window*);
110 bool focus_out_window (GdkEventFocus *ev, Gtk::Window*);
112 static bool modifier_state_contains (guint state, ModifierMask);
113 static bool modifier_state_equals (guint state, ModifierMask);
115 static bool no_modifiers_active (guint state);
117 static void set_snap_modifier (guint);
118 /** @return Modifier mask to temporarily toggle grid setting; with this modifier
119 * - magnetic or normal grid should become no grid and
120 * - no grid should become normal grid
122 static ModifierMask snap_modifier () { return ModifierMask (snap_mod); }
124 static void set_snap_delta_modifier (guint);
125 /** @return Modifier mask to temporarily toggle between relative and absolute grid setting.
126 * Absolute grid is for aligning objects with the grid lines.
127 * Relative grid is for maintaining an initial position relative to the grid lines.
128 * With this modifier:
129 * - magnetic or normal grid should snap relative to an initial grid offset
130 * - no grid should snap relative to the grid.
132 static ModifierMask snap_delta_modifier () { return ModifierMask (snap_delta_mod); }
134 static guint edit_button() { return edit_but; }
135 static void set_edit_button (guint);
136 static guint edit_modifier() { return edit_mod; }
137 static void set_edit_modifier(guint);
139 static guint delete_button() { return delete_but; }
140 static void set_delete_button(guint);
141 static guint delete_modifier() { return delete_mod; }
142 static void set_delete_modifier(guint);
144 static guint insert_note_button() { return insert_note_but; }
145 static void set_insert_note_button (guint);
146 static guint insert_note_modifier() { return insert_note_mod; }
147 static void set_insert_note_modifier(guint);
149 static bool is_edit_event (GdkEventButton*);
150 static bool is_delete_event (GdkEventButton*);
151 static bool is_insert_note_event (GdkEventButton*);
152 static bool is_context_menu_event (GdkEventButton*);
153 static bool is_button2_event (GdkEventButton*);
155 static Keyboard& the_keyboard() { return *_the_keyboard; }
157 static bool some_magic_widget_has_focus ();
158 static void magic_widget_grab_focus ();
159 static void magic_widget_drop_focus ();
160 static Gtk::Window* get_current_window () { return current_window; };
162 static void close_current_dialog ();
164 static void keybindings_changed ();
165 static void save_keybindings ();
166 static bool load_keybindings (std::string path);
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 int reset_bindings ();
173 struct AccelKeyLess {
174 bool operator() (const Gtk::AccelKey a, const Gtk::AccelKey b) const {
175 if (a.get_key() != b.get_key()) {
176 return a.get_key() < b.get_key();
178 return a.get_mod() < b.get_mod();
183 sigc::signal0<void> ZoomVerticalModifierReleased;
186 static Keyboard* _the_keyboard;
191 static guint edit_but;
192 static guint edit_mod;
193 static guint delete_but;
194 static guint delete_mod;
195 static guint insert_note_but;
196 static guint insert_note_mod;
197 static guint snap_mod;
198 static guint snap_delta_mod;
199 static guint button2_modifiers;
200 static Gtk::Window* current_window;
201 static std::string user_keybindings_path;
202 static bool can_save_keybindings;
203 static bool bindings_changed_after_save_became_legal;
204 static std::string _current_binding_name;
206 typedef std::pair<std::string,std::string> two_strings;
208 static std::map<Gtk::AccelKey,two_strings,AccelKeyLess> release_keys;
210 static gint _snooper (GtkWidget*, GdkEventKey*, gpointer);
211 gint snooper (GtkWidget*, GdkEventKey*);
213 static void set_modifier (uint32_t newval, uint32_t& variable);
215 static bool _some_magic_widget_has_focus;
220 #endif /* __libgtkmm2ext_keyboard_h__ */