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/*
Copyright (C) 2001 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __libgtkmm2ext_keyboard_h__
#define __libgtkmm2ext_keyboard_h__
#include <map>
#include <vector>
#include <string>
#include <sigc++/signal.h>
#include <gtk/gtk.h>
#include <gtkmm/accelkey.h>
#include "pbd/stateful.h"
namespace Gtk {
class Window;
}
namespace Gtkmm2ext {
class Keyboard : public sigc::trackable, PBD::Stateful
{
public:
Keyboard ();
~Keyboard ();
XMLNode& get_state (void);
int set_state (const XMLNode&, int version);
virtual void setup_keybindings () = 0;
typedef std::vector<uint32_t> State;
typedef uint32_t ModifierMask;
static uint32_t PrimaryModifier;
static uint32_t SecondaryModifier;
static uint32_t TertiaryModifier;
static uint32_t Level4Modifier;
static uint32_t CopyModifier;
static uint32_t RangeSelectModifier;
static const char* primary_modifier_name ();
static const char* secondary_modifier_name ();
static const char* tertiary_modifier_name ();
static const char* level4_modifier_name ();
static const char* copy_modifier_name ();
static const char* rangeselect_modifier_name ();
static void set_primary_modifier (uint32_t newval) {
set_modifier (newval, PrimaryModifier);
}
static void set_secondary_modifier (uint32_t newval) {
set_modifier (newval, SecondaryModifier);
}
static void set_tertiary_modifier (uint32_t newval) {
set_modifier (newval, TertiaryModifier);
}
static void set_level4_modifier (uint32_t newval) {
set_modifier (newval, Level4Modifier);
}
static void set_copy_modifier (uint32_t newval) {
set_modifier (newval, CopyModifier);
}
static void set_range_select_modifier (uint32_t newval) {
set_modifier (newval, RangeSelectModifier);
}
bool key_is_down (uint32_t keyval);
static GdkModifierType RelevantModifierKeyMask;
static bool no_modifier_keys_pressed(GdkEventButton* ev) {
return (ev->state & RelevantModifierKeyMask) == 0;
}
static bool no_modifier_keys_pressed(GdkEventKey* ev) {
return (ev->state & RelevantModifierKeyMask) == 0;
}
bool leave_window (GdkEventCrossing *ev, Gtk::Window*);
bool enter_window (GdkEventCrossing *ev, Gtk::Window*);
static bool modifier_state_contains (guint state, ModifierMask);
static bool modifier_state_equals (guint state, ModifierMask);
static bool no_modifiers_active (guint state);
static void set_snap_modifier (guint);
/** @return Modifier mask to temporarily toggle grid setting; with this modifier
* - magnetic or normal grid should become no grid and
* - no grid should become normal grid
*/
static ModifierMask snap_modifier () { return ModifierMask (snap_mod); }
static guint edit_button() { return edit_but; }
static void set_edit_button (guint);
static guint edit_modifier() { return edit_mod; }
static void set_edit_modifier(guint);
static guint delete_button() { return delete_but; }
static void set_delete_button(guint);
static guint delete_modifier() { return delete_mod; }
static void set_delete_modifier(guint);
static guint insert_note_button() { return insert_note_but; }
static void set_insert_note_button (guint);
static guint insert_note_modifier() { return insert_note_mod; }
static void set_insert_note_modifier(guint);
static bool is_edit_event (GdkEventButton*);
static bool is_delete_event (GdkEventButton*);
static bool is_insert_note_event (GdkEventButton*);
static bool is_context_menu_event (GdkEventButton*);
static bool is_button2_event (GdkEventButton*);
static Keyboard& the_keyboard() { return *_the_keyboard; }
static bool some_magic_widget_has_focus ();
static void magic_widget_grab_focus ();
static void magic_widget_drop_focus ();
static void keybindings_changed ();
static void save_keybindings ();
static bool load_keybindings (std::string path);
static void set_can_save_keybindings (bool yn);
static std::string current_binding_name () { return _current_binding_name; }
static std::map<std::string,std::string> binding_files;
struct AccelKeyLess {
bool operator() (const Gtk::AccelKey a, const Gtk::AccelKey b) const {
if (a.get_key() != b.get_key()) {
return a.get_key() < b.get_key();
} else {
return a.get_mod() < b.get_mod();
}
}
};
protected:
static Keyboard* _the_keyboard;
guint snooper_id;
State state;
static guint edit_but;
static guint edit_mod;
static guint delete_but;
static guint delete_mod;
static guint insert_note_but;
static guint insert_note_mod;
static guint snap_mod;
static guint button2_modifiers;
static Gtk::Window* current_window;
static std::string user_keybindings_path;
static bool can_save_keybindings;
static bool bindings_changed_after_save_became_legal;
static std::string _current_binding_name;
typedef std::pair<std::string,std::string> two_strings;
static std::map<Gtk::AccelKey,two_strings,AccelKeyLess> release_keys;
static gint _snooper (GtkWidget*, GdkEventKey*, gpointer);
gint snooper (GtkWidget*, GdkEventKey*);
static void set_modifier (uint32_t newval, uint32_t& variable);
static bool _some_magic_widget_has_focus;
};
} /* namespace */
#endif /* __libgtkmm2ext_keyboard_h__ */
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