src/gigedit/regionchooser.h

/*                                                         -*- c++ -*-
 * Copyright (C) 2006-2008 Andreas Persson
 *
 * 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, 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 program; see the file COPYING. If not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef GIGEDIT_REGIONCHOOSER_H
#define GIGEDIT_REGIONCHOOSER_H

#include <vector>

#include <gtkmm/drawingarea.h>
#include <gdkmm/colormap.h>
#include <gtkmm/uimanager.h>
#include <gdkmm/window.h>
#include <gtkmm/menu.h>

#include "dimensionmanager.h"

#include <gig.h>

class SortedRegions {
private:
    std::vector<gig::Region*> regions;
    std::vector<gig::Region*>::iterator region_iterator;

public:
    void update(gig::Instrument* instrument);
    gig::Region* first();
    gig::Region* next();
    bool operator() (gig::Region* x, gig::Region* y) {
        return x->KeyRange.low < y->KeyRange.low;
    }
};

class RegionChooser : public Gtk::DrawingArea
{
public:
    RegionChooser();
    virtual ~RegionChooser();

    void set_instrument(gig::Instrument* instrument);

    sigc::signal<void>& signal_region_selected();
    sigc::signal<void>& signal_instrument_changed();

    sigc::signal<void, gig::Instrument*>& signal_instrument_struct_to_be_changed();
    sigc::signal<void, gig::Instrument*>& signal_instrument_struct_changed();

    sigc::signal<void, gig::Region*>& signal_region_to_be_changed();
    sigc::signal<void, gig::Region*>& signal_region_changed_signal();

    sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_hit();
    sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_released();

    gig::Region* get_region() { return region; }

    void on_note_on_event(int key, int velocity);
    void on_note_off_event(int key, int velocity);

protected:
    virtual void on_realize();
    virtual bool on_expose_event(GdkEventExpose* e);
    virtual void on_size_request(GtkRequisition* requisition);
    virtual bool on_button_press_event(GdkEventButton* event);
    virtual bool on_button_release_event(GdkEventButton* event);
    virtual bool on_motion_notify_event(GdkEventMotion* event);

    gig::Region* get_region(int key);

    Glib::RefPtr<Gdk::GC> gc;
    Gdk::Color activeKeyColor, red, grey1, white, black;

    sigc::signal<void> region_selected;
    sigc::signal<void> instrument_changed;

    sigc::signal<void, gig::Instrument*> instrument_struct_to_be_changed_signal;
    sigc::signal<void, gig::Instrument*> instrument_struct_changed_signal;

    sigc::signal<void, gig::Region*> region_to_be_changed_signal;
    sigc::signal<void, gig::Region*> region_changed_signal;

    sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_hit_signal;
    sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_released_signal;

    gig::Instrument* instrument;
    gig::Region* region;
    SortedRegions regions;

    bool is_black_key(int key);
    void draw_region(int from, int to, const Gdk::Color& color);
    void draw_digit(int key);
    void motion_resize_region(int x, int y);
    void motion_move_region(int x, int y);

    // information needed during a resize
    struct {
        bool active;
        enum {
            undecided,
            moving_high_limit,
            moving_low_limit
        } mode;
        int pos;
        int min;
        int max;
        gig::Region* region;
        gig::Region* prev_region;
    } resize;

    // information needed during a region move
    struct {
        bool active;
        double from_x;
        int pos;
        bool touch_left;
        bool touch_right;
    } move;

    bool cursor_is_resize;
    bool is_in_resize_zone(double x, double y);

    int h1;

    Gtk::Menu* popup_menu_inside_region;
    Gtk::Menu* popup_menu_outside_region;
    void show_region_properties();
    void add_region();
    void delete_region();
    void manage_dimensions();
    void on_dimension_manager_changed();
    int new_region_pos;

    Glib::RefPtr<Gtk::ActionGroup> actionGroup;
    Glib::RefPtr<Gtk::UIManager> uiManager;

    DimensionManager dimensionManager;
};

#endif
1	/* -- c++ --
2	* Copyright (C) 2006-2008 Andreas Persson
3	*
4	* This program is free software; you can redistribute it and/or
5	* modify it under the terms of the GNU General Public License as
6	* published by the Free Software Foundation; either version 2, or (at
7	* your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful, but
10	* WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12	* General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with program; see the file COPYING. If not, write to the Free
16	* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
17	* 02110-1301 USA.
18	*/
19
20	#ifndef GIGEDIT_REGIONCHOOSER_H
21	#define GIGEDIT_REGIONCHOOSER_H
22
23	#include <vector>
24
25	#include <gtkmm/drawingarea.h>
26	#include <gdkmm/colormap.h>
27	#include <gtkmm/uimanager.h>
28	#include <gdkmm/window.h>
29	#include <gtkmm/menu.h>
30
31	#include "dimensionmanager.h"
32
33	#include <gig.h>
34
35	class SortedRegions {
36	private:
37	std::vector<gig::Region*> regions;
38	std::vector<gig::Region*>::iterator region_iterator;
39
40	public:
41	void update(gig::Instrument* instrument);
42	gig::Region* first();
43	gig::Region* next();
44	bool operator() (gig::Region* x, gig::Region* y) {
45	return x->KeyRange.low < y->KeyRange.low;
46	}
47	};
48
49	class RegionChooser : public Gtk::DrawingArea
50	{
51	public:
52	RegionChooser();
53	virtual ~RegionChooser();
54
55	void set_instrument(gig::Instrument* instrument);
56
57	sigc::signal<void>& signal_region_selected();
58	sigc::signal<void>& signal_instrument_changed();
59
60	sigc::signal<void, gig::Instrument*>& signal_instrument_struct_to_be_changed();
61	sigc::signal<void, gig::Instrument*>& signal_instrument_struct_changed();
62
63	sigc::signal<void, gig::Region*>& signal_region_to_be_changed();
64	sigc::signal<void, gig::Region*>& signal_region_changed_signal();
65
66	sigc::signal<void, int/key/, int/velocity/>& signal_keyboard_key_hit();
67	sigc::signal<void, int/key/, int/velocity/>& signal_keyboard_key_released();
68
69	gig::Region* get_region() { return region; }
70
71	void on_note_on_event(int key, int velocity);
72	void on_note_off_event(int key, int velocity);
73
74	protected:
75	virtual void on_realize();
76	virtual bool on_expose_event(GdkEventExpose* e);
77	virtual void on_size_request(GtkRequisition* requisition);
78	virtual bool on_button_press_event(GdkEventButton* event);
79	virtual bool on_button_release_event(GdkEventButton* event);
80	virtual bool on_motion_notify_event(GdkEventMotion* event);
81
82	gig::Region* get_region(int key);
83
84	Glib::RefPtr<Gdk::GC> gc;
85	Gdk::Color activeKeyColor, red, grey1, white, black;
86
87	sigc::signal<void> region_selected;
88	sigc::signal<void> instrument_changed;
89
90	sigc::signal<void, gig::Instrument*> instrument_struct_to_be_changed_signal;
91	sigc::signal<void, gig::Instrument*> instrument_struct_changed_signal;
92
93	sigc::signal<void, gig::Region*> region_to_be_changed_signal;
94	sigc::signal<void, gig::Region*> region_changed_signal;
95
96	sigc::signal<void, int/key/, int/velocity/> keyboard_key_hit_signal;
97	sigc::signal<void, int/key/, int/velocity/> keyboard_key_released_signal;
98
99	gig::Instrument* instrument;
100	gig::Region* region;
101	SortedRegions regions;
102
103	bool is_black_key(int key);
104	void draw_region(int from, int to, const Gdk::Color& color);
105	void draw_digit(int key);
106	void motion_resize_region(int x, int y);
107	void motion_move_region(int x, int y);
108
109	// information needed during a resize
110	struct {
111	bool active;
112	enum {
113	undecided,
114	moving_high_limit,
115	moving_low_limit
116	} mode;
117	int pos;
118	int min;
119	int max;
120	gig::Region* region;
121	gig::Region* prev_region;
122	} resize;
123
124	// information needed during a region move
125	struct {
126	bool active;
127	double from_x;
128	int pos;
129	bool touch_left;
130	bool touch_right;
131	} move;
132
133	bool cursor_is_resize;
134	bool is_in_resize_zone(double x, double y);
135
136	int h1;
137
138	Gtk::Menu* popup_menu_inside_region;
139	Gtk::Menu* popup_menu_outside_region;
140	void show_region_properties();
141	void add_region();
142	void delete_region();
143	void manage_dimensions();
144	void on_dimension_manager_changed();
145	int new_region_pos;
146
147	Glib::RefPtr<Gtk::ActionGroup> actionGroup;
148	Glib::RefPtr<Gtk::UIManager> uiManager;
149
150	DimensionManager dimensionManager;
151	};
152
153	#endif