221 lines
6.9 KiB
C++
221 lines
6.9 KiB
C++
/*
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Copyright (C) 2001 Paul Davis
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This program 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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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __libgtkmm2ext_keyboard_h__
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#define __libgtkmm2ext_keyboard_h__
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#include <map>
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#include <vector>
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#include <string>
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#include <sigc++/signal.h>
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#include <gtk/gtk.h>
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#include <gtkmm/accelkey.h>
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#include "pbd/stateful.h"
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#include "gtkmm2ext/visibility.h"
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namespace Gtk {
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class Window;
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}
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namespace Gtkmm2ext {
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class LIBGTKMM2EXT_API Keyboard : public sigc::trackable, PBD::Stateful
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{
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public:
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Keyboard ();
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~Keyboard ();
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XMLNode& get_state (void);
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int set_state (const XMLNode&, int version);
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virtual void setup_keybindings () = 0;
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typedef std::vector<uint32_t> State;
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typedef uint32_t ModifierMask;
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static uint32_t PrimaryModifier;
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static uint32_t SecondaryModifier;
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static uint32_t TertiaryModifier;
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static uint32_t Level4Modifier;
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static uint32_t CopyModifier;
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static uint32_t RangeSelectModifier;
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static uint32_t GainFineScaleModifier;
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static uint32_t GainExtraFineScaleModifier;
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// Modifiers for scroll wheel
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static uint32_t ScrollZoomVerticalModifier;
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static uint32_t ScrollZoomHorizontalModifier;
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static uint32_t ScrollHorizontalModifier;
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static const char* primary_modifier_name ();
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static const char* secondary_modifier_name ();
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static const char* tertiary_modifier_name ();
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static const char* level4_modifier_name ();
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static const char* copy_modifier_name ();
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static const char* rangeselect_modifier_name ();
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static void set_primary_modifier (uint32_t newval) {
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set_modifier (newval, PrimaryModifier);
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}
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static void set_secondary_modifier (uint32_t newval) {
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set_modifier (newval, SecondaryModifier);
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}
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static void set_tertiary_modifier (uint32_t newval) {
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set_modifier (newval, TertiaryModifier);
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}
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static void set_level4_modifier (uint32_t newval) {
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set_modifier (newval, Level4Modifier);
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}
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static void set_copy_modifier (uint32_t newval) {
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set_modifier (newval, CopyModifier);
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}
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static void set_range_select_modifier (uint32_t newval) {
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set_modifier (newval, RangeSelectModifier);
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}
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bool key_is_down (uint32_t keyval);
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static GdkModifierType RelevantModifierKeyMask;
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static bool no_modifier_keys_pressed(GdkEventButton* ev) {
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return (ev->state & RelevantModifierKeyMask) == 0;
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}
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static bool no_modifier_keys_pressed(GdkEventKey* ev) {
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return (ev->state & RelevantModifierKeyMask) == 0;
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}
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bool leave_window (GdkEventCrossing *ev, Gtk::Window*);
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bool enter_window (GdkEventCrossing *ev, Gtk::Window*);
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bool focus_in_window (GdkEventFocus *ev, Gtk::Window*);
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bool focus_out_window (GdkEventFocus *ev, Gtk::Window*);
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static bool modifier_state_contains (guint state, ModifierMask);
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static bool modifier_state_equals (guint state, ModifierMask);
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static bool no_modifiers_active (guint state);
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static void set_snap_modifier (guint);
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/** @return Modifier mask to temporarily toggle grid setting; with this modifier
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* - magnetic or normal grid should become no grid and
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* - no grid should become normal grid
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*/
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static ModifierMask snap_modifier () { return ModifierMask (snap_mod); }
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static void set_snap_delta_modifier (guint);
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/** @return Modifier mask to temporarily toggle between relative and absolute grid setting.
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* Absolute grid is for aligning objects with the grid lines.
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* Relative grid is for maintaining an initial position relative to the grid lines.
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* With this modifier:
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* - magnetic or normal grid should snap relative to an initial grid offset
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* - no grid should snap relative to the grid.
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*/
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static ModifierMask snap_delta_modifier () { return ModifierMask (snap_delta_mod); }
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static guint edit_button() { return edit_but; }
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static void set_edit_button (guint);
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static guint edit_modifier() { return edit_mod; }
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static void set_edit_modifier(guint);
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static guint delete_button() { return delete_but; }
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static void set_delete_button(guint);
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static guint delete_modifier() { return delete_mod; }
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static void set_delete_modifier(guint);
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static guint insert_note_button() { return insert_note_but; }
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static void set_insert_note_button (guint);
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static guint insert_note_modifier() { return insert_note_mod; }
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static void set_insert_note_modifier(guint);
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static bool is_edit_event (GdkEventButton*);
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static bool is_delete_event (GdkEventButton*);
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static bool is_insert_note_event (GdkEventButton*);
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static bool is_context_menu_event (GdkEventButton*);
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static bool is_button2_event (GdkEventButton*);
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static Keyboard& the_keyboard() { return *_the_keyboard; }
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static bool some_magic_widget_has_focus ();
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static void magic_widget_grab_focus ();
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static void magic_widget_drop_focus ();
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static Gtk::Window* get_current_window () { return current_window; };
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static void close_current_dialog ();
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static void keybindings_changed ();
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static void save_keybindings ();
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static bool load_keybindings (std::string path);
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static void set_can_save_keybindings (bool yn);
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static std::string current_binding_name () { return _current_binding_name; }
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static std::map<std::string,std::string> binding_files;
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int reset_bindings ();
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struct AccelKeyLess {
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bool operator() (const Gtk::AccelKey a, const Gtk::AccelKey b) const {
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if (a.get_key() != b.get_key()) {
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return a.get_key() < b.get_key();
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} else {
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return a.get_mod() < b.get_mod();
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}
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}
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};
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sigc::signal0<void> ZoomVerticalModifierReleased;
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protected:
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static Keyboard* _the_keyboard;
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guint snooper_id;
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State state;
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static guint edit_but;
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static guint edit_mod;
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static guint delete_but;
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static guint delete_mod;
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static guint insert_note_but;
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static guint insert_note_mod;
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static guint snap_mod;
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static guint snap_delta_mod;
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static guint button2_modifiers;
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static Gtk::Window* current_window;
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static std::string user_keybindings_path;
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static bool can_save_keybindings;
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static bool bindings_changed_after_save_became_legal;
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static std::string _current_binding_name;
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typedef std::pair<std::string,std::string> two_strings;
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static std::map<Gtk::AccelKey,two_strings,AccelKeyLess> release_keys;
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static gint _snooper (GtkWidget*, GdkEventKey*, gpointer);
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gint snooper (GtkWidget*, GdkEventKey*);
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static void set_modifier (uint32_t newval, uint32_t& variable);
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static bool _some_magic_widget_has_focus;
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};
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} /* namespace */
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#endif /* __libgtkmm2ext_keyboard_h__ */
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