ardour/gtk2_ardour/keyboard.h

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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.
$Id$
*/
#ifndef __ardour_keyboard_h__
#define __ardour_keyboard_h__
#include <vector>
#include <string>
#include <sigc++/signal.h>
#include <gtk/gtk.h>
#include <ardour/types.h>
#include <ardour/stateful.h>
using std::vector;
using std::string;
class Keyboard : public sigc::trackable, Stateful
{
public:
Keyboard ();
~Keyboard ();
XMLNode& get_state (void);
int set_state (const XMLNode&);
typedef vector<uint32_t> State;
int get_prefix(float&, bool& was_floating);
void start_prefix ();
static State translate_key_name (const string&);
static string get_real_keyname (const string& name);
typedef uint32_t ModifierMask;
static uint32_t Control;
static uint32_t Shift;
static uint32_t Alt;
static uint32_t Meta;
bool key_is_down (uint32_t keyval);
static GdkModifierType RelevantModifierKeyMask;
static bool no_modifier_keys_pressed(GdkEventButton* 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_meta_modifier (guint);
static void set_snap_modifier (guint);
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 bool is_edit_event (GdkEventButton*);
static bool is_delete_event (GdkEventButton*);
static bool is_context_menu_event (GdkEventButton*);
static Keyboard& the_keyboard() { return *_the_keyboard; }
private:
static Keyboard* _the_keyboard;
bool _queue_events;
bool _flush_queue;
guint snooper_id;
State state;
bool collecting_prefix;
string current_prefix;
int* modifier_masks;
int modifier_mask;
int min_keycode;
int max_keycode;
static guint edit_but;
static guint edit_mod;
static guint delete_but;
static guint delete_mod;
static guint snap_mod;
static gint _snooper (GtkWidget*, GdkEventKey*, gpointer);
gint snooper (GtkWidget*, GdkEventKey*);
void queue_event (GdkEventKey*);
void get_modifier_masks ();
void check_modifier_state ();
void clear_modifier_state ();
void check_meta_numlock (char keycode, guint mod, string modname);
};
#endif /* __ardour_keyboard_h__ */