src/gigedit/regionchooser.h

/*                                                         -*- c++ -*-
 * Copyright (C) 2006-2017 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 "compat.h"

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

#if USE_GTKMM_BUILDER
# include <gtkmm/builder.h>
#else
# include <gtkmm/uimanager.h> // deprecated in gtkmm >= 3.21.4
#endif

#include "dimensionmanager.h"
#include "paramedit.h"
#include "compat.h"

#ifdef LIBGIG_HEADER_FILE
# include LIBGIG_HEADER_FILE(gig.h)
#else
# include <gig.h>
#endif

enum virt_keyboard_mode_t {
    VIRT_KEYBOARD_MODE_NORMAL,
    VIRT_KEYBOARD_MODE_CHORD
};

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) const {
        return x->KeyRange.low < y->KeyRange.low;
    }
};

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

    void set_instrument(gig::Instrument* instrument);

    // ATM only used for painting auto selected regions with gray hatched pattern
    void setModifyAllRegions(bool b);

    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 set_region(gig::Region* region);
    void select_next_region();
    void select_prev_region();

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

    HBox m_VirtKeybPropsBox;

protected:
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
    virtual bool on_expose_event(GdkEventExpose* e);
#else
    virtual bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
#endif
    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);

    Gdk::RGBA activeKeyColor, blue, grey1, white, black;
    Glib::RefPtr<Gdk::Pixbuf> blueHatchedPatternARGB;
    Cairo::RefPtr<Cairo::SurfacePattern> blueHatchedSurfacePattern;

    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_keyboard(const Cairo::RefPtr<Cairo::Context>& cr,
                       int clip_low, int clip_high);
    void draw_regions(const Cairo::RefPtr<Cairo::Context>& cr,
                      int clip_low, int clip_high);
    void draw_key(const Cairo::RefPtr<Cairo::Context>& cr, int key);
    void draw_digit(const Cairo::RefPtr<Cairo::Context>& cr, int key);
    void motion_resize_region(int x, int y);
    void motion_move_region(int x, int y);
    void update_after_resize();
    void update_after_move(int pos);
    void invalidate_key(int key);

    // returns the leftmost pixel of a key
    int key_to_x(double k, int w) const {
        return int(k * w / 128.0 + 0.5);
    }

    // returns the key given a pixel
    int x_to_key(double x, int w) const {
        return int(x / w * 128.0);
    }

    // returns the key given a pixel. If the pixel is the border
    // between two keys, the key to the r�ght is always returned.
    int x_to_key_right(double x, int w) const {
        return int(ceil((x + 0.5) / w * 128.0)) - 1;
    }

    // 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;
        int offset;
    } move;

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

    int h1;

    // ATM only used for painting auto selected regions with gray hatched pattern
    bool modifyallregions;

    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<ActionGroup> actionGroup;
#if USE_GTKMM_BUILDER
    Glib::RefPtr<Gtk::Builder> uiManager;
#else
    Glib::RefPtr<Gtk::UIManager> uiManager;
#endif

    // properties of the virtual keyboard
    ChoiceEntry<virt_keyboard_mode_t> m_VirtKeybModeChoice;
    Gtk::Label m_VirtKeybVelocityLabelDescr;
    Gtk::Label m_VirtKeybVelocityLabel;
    Gtk::Label m_VirtKeybOffVelocityLabelDescr;
    Gtk::Label m_VirtKeybOffVelocityLabel;
    int currentActiveKey;
    bool key_pressed[128];

    DimensionManager dimensionManager;
};

#endif
1	schoenebeck	1225	/* -- c++ --
2	schoenebeck	3068	* Copyright (C) 2006-2017 Andreas Persson
3	schoenebeck	1225	*
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	persson	1623	#include <vector>
24
25	schoenebeck	3364	#include "compat.h"
26
27	persson	2844	#include <gtkmm/box.h>
28	schoenebeck	1225	#include <gtkmm/drawingarea.h>
29			#include <gdkmm/window.h>
30			#include <gtkmm/menu.h>
31
32	schoenebeck	3364	#if USE_GTKMM_BUILDER
33			# include <gtkmm/builder.h>
34			#else
35			# include <gtkmm/uimanager.h> // deprecated in gtkmm >= 3.21.4
36			#endif
37
38	schoenebeck	1225	#include "dimensionmanager.h"
39	schoenebeck	1661	#include "paramedit.h"
40	persson	2169	#include "compat.h"
41	schoenebeck	1225
42	schoenebeck	3068	#ifdef LIBGIG_HEADER_FILE
43			# include LIBGIG_HEADER_FILE(gig.h)
44			#else
45			# include <gig.h>
46			#endif
47	schoenebeck	1225
48	schoenebeck	1661	enum virt_keyboard_mode_t {
49			VIRT_KEYBOARD_MODE_NORMAL,
50			VIRT_KEYBOARD_MODE_CHORD
51			};
52
53	persson	1623	class SortedRegions {
54			private:
55			std::vector<gig::Region*> regions;
56			std::vector<gig::Region*>::iterator region_iterator;
57
58			public:
59			void update(gig::Instrument* instrument);
60			gig::Region* first();
61			gig::Region* next();
62	persson	2841	bool operator() (gig::Region* x, gig::Region* y) const {
63	persson	1623	return x->KeyRange.low < y->KeyRange.low;
64			}
65			};
66
67	schoenebeck	1225	class RegionChooser : public Gtk::DrawingArea
68			{
69			public:
70			RegionChooser();
71			virtual ~RegionChooser();
72
73			void set_instrument(gig::Instrument* instrument);
74
75	schoenebeck	3148	// ATM only used for painting auto selected regions with gray hatched pattern
76			void setModifyAllRegions(bool b);
77
78	schoenebeck	1339	sigc::signal<void>& signal_region_selected();
79			sigc::signal<void>& signal_instrument_changed();
80	schoenebeck	1225
81	schoenebeck	1339	sigc::signal<void, gig::Instrument*>& signal_instrument_struct_to_be_changed();
82			sigc::signal<void, gig::Instrument*>& signal_instrument_struct_changed();
83	schoenebeck	1322
84	schoenebeck	1339	sigc::signal<void, gig::Region*>& signal_region_to_be_changed();
85			sigc::signal<void, gig::Region*>& signal_region_changed_signal();
86	schoenebeck	1322
87	schoenebeck	1660	sigc::signal<void, int/key/, int/velocity/>& signal_keyboard_key_hit();
88			sigc::signal<void, int/key/, int/velocity/>& signal_keyboard_key_released();
89
90	schoenebeck	1225	gig::Region* get_region() { return region; }
91	schoenebeck	2695	void set_region(gig::Region* region);
92	schoenebeck	3123	void select_next_region();
93			void select_prev_region();
94	schoenebeck	1225
95	schoenebeck	1654	void on_note_on_event(int key, int velocity);
96			void on_note_off_event(int key, int velocity);
97
98	schoenebeck	3364	HBox m_VirtKeybPropsBox;
99	schoenebeck	1661
100	schoenebeck	1225	protected:
101	persson	2169	#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) \|\| GTKMM_MAJOR_VERSION < 2
102	schoenebeck	1225	virtual bool on_expose_event(GdkEventExpose* e);
103	persson	2246	#else
104			virtual bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
105	persson	2169	#endif
106	schoenebeck	1225	virtual bool on_button_press_event(GdkEventButton* event);
107			virtual bool on_button_release_event(GdkEventButton* event);
108			virtual bool on_motion_notify_event(GdkEventMotion* event);
109
110			gig::Region* get_region(int key);
111
112	schoenebeck	3131	Gdk::RGBA activeKeyColor, blue, grey1, white, black;
113	schoenebeck	3286	Glib::RefPtr<Gdk::Pixbuf> blueHatchedPatternARGB;
114			Cairo::RefPtr<Cairo::SurfacePattern> blueHatchedSurfacePattern;
115	schoenebeck	1225
116	persson	1261	sigc::signal<void> region_selected;
117			sigc::signal<void> instrument_changed;
118	schoenebeck	1225
119	schoenebeck	1322	sigc::signal<void, gig::Instrument*> instrument_struct_to_be_changed_signal;
120			sigc::signal<void, gig::Instrument*> instrument_struct_changed_signal;
121
122			sigc::signal<void, gig::Region*> region_to_be_changed_signal;
123			sigc::signal<void, gig::Region*> region_changed_signal;
124
125	schoenebeck	1660	sigc::signal<void, int/key/, int/velocity/> keyboard_key_hit_signal;
126			sigc::signal<void, int/key/, int/velocity/> keyboard_key_released_signal;
127
128	schoenebeck	1225	gig::Instrument* instrument;
129			gig::Region* region;
130	persson	1623	SortedRegions regions;
131	schoenebeck	1225
132	schoenebeck	1654	bool is_black_key(int key);
133	persson	2246	void draw_keyboard(const Cairo::RefPtr<Cairo::Context>& cr,
134			int clip_low, int clip_high);
135			void draw_regions(const Cairo::RefPtr<Cairo::Context>& cr,
136			int clip_low, int clip_high);
137			void draw_key(const Cairo::RefPtr<Cairo::Context>& cr, int key);
138			void draw_digit(const Cairo::RefPtr<Cairo::Context>& cr, int key);
139	persson	1262	void motion_resize_region(int x, int y);
140			void motion_move_region(int x, int y);
141	persson	2246	void update_after_resize();
142			void update_after_move(int pos);
143			void invalidate_key(int key);
144	persson	1262
145	persson	2246	// returns the leftmost pixel of a key
146			int key_to_x(double k, int w) const {
147			return int(k * w / 128.0 + 0.5);
148			}
149
150			// returns the key given a pixel
151			int x_to_key(double x, int w) const {
152			return int(x / w * 128.0);
153			}
154
155			// returns the key given a pixel. If the pixel is the border
156			// between two keys, the key to the r�ght is always returned.
157			int x_to_key_right(double x, int w) const {
158			return int(ceil((x + 0.5) / w * 128.0)) - 1;
159			}
160
161	schoenebeck	1225	// information needed during a resize
162			struct {
163			bool active;
164			enum {
165			undecided,
166			moving_high_limit,
167			moving_low_limit
168			} mode;
169			int pos;
170			int min;
171			int max;
172			gig::Region* region;
173			gig::Region* prev_region;
174			} resize;
175
176	persson	1262	// information needed during a region move
177			struct {
178			bool active;
179	persson	2246	int offset;
180	persson	1262	} move;
181
182	schoenebeck	1225	bool cursor_is_resize;
183			bool is_in_resize_zone(double x, double y);
184
185			int h1;
186
187	schoenebeck	3148	// ATM only used for painting auto selected regions with gray hatched pattern
188			bool modifyallregions;
189
190	schoenebeck	1225	Gtk::Menu* popup_menu_inside_region;
191			Gtk::Menu* popup_menu_outside_region;
192			void show_region_properties();
193			void add_region();
194			void delete_region();
195			void manage_dimensions();
196			void on_dimension_manager_changed();
197			int new_region_pos;
198
199	schoenebeck	3364	Glib::RefPtr<ActionGroup> actionGroup;
200			#if USE_GTKMM_BUILDER
201			Glib::RefPtr<Gtk::Builder> uiManager;
202			#else
203	schoenebeck	1225	Glib::RefPtr<Gtk::UIManager> uiManager;
204	schoenebeck	3364	#endif
205	schoenebeck	1225
206	persson	2246	// properties of the virtual keyboard
207	schoenebeck	1661	ChoiceEntry<virt_keyboard_mode_t> m_VirtKeybModeChoice;
208			Gtk::Label m_VirtKeybVelocityLabelDescr;
209			Gtk::Label m_VirtKeybVelocityLabel;
210			Gtk::Label m_VirtKeybOffVelocityLabelDescr;
211			Gtk::Label m_VirtKeybOffVelocityLabel;
212			int currentActiveKey;
213	persson	2246	bool key_pressed[128];
214	schoenebeck	1661
215	schoenebeck	1225	DimensionManager dimensionManager;
216			};
217
218			#endif