/[svn]/gigedit/trunk/src/gigedit/regionchooser.h
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Contents of /gigedit/trunk/src/gigedit/regionchooser.h

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Revision 2151 - (show annotations) (download) (as text)
Sun Nov 21 12:38:41 2010 UTC (13 years, 5 months ago) by persson
File MIME type: text/x-c++hdr
File size: 5008 byte(s)
* use Cairo instead of deprecated gdk drawing primitives
* avoid deprecated gtk methods when using newer gtk versions
* raised minimum supported gtkmm version to 2.8

1 /* -*- c++ -*-
2 * Copyright (C) 2006-2010 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 <gtkmm/uimanager.h>
27 #include <gdkmm/window.h>
28 #include <gtkmm/menu.h>
29
30 #include "dimensionmanager.h"
31 #include "paramedit.h"
32
33 #include <gig.h>
34
35 enum virt_keyboard_mode_t {
36 VIRT_KEYBOARD_MODE_NORMAL,
37 VIRT_KEYBOARD_MODE_CHORD
38 };
39
40 class SortedRegions {
41 private:
42 std::vector<gig::Region*> regions;
43 std::vector<gig::Region*>::iterator region_iterator;
44
45 public:
46 void update(gig::Instrument* instrument);
47 gig::Region* first();
48 gig::Region* next();
49 bool operator() (gig::Region* x, gig::Region* y) {
50 return x->KeyRange.low < y->KeyRange.low;
51 }
52 };
53
54 class RegionChooser : public Gtk::DrawingArea
55 {
56 public:
57 RegionChooser();
58 virtual ~RegionChooser();
59
60 void set_instrument(gig::Instrument* instrument);
61
62 sigc::signal<void>& signal_region_selected();
63 sigc::signal<void>& signal_instrument_changed();
64
65 sigc::signal<void, gig::Instrument*>& signal_instrument_struct_to_be_changed();
66 sigc::signal<void, gig::Instrument*>& signal_instrument_struct_changed();
67
68 sigc::signal<void, gig::Region*>& signal_region_to_be_changed();
69 sigc::signal<void, gig::Region*>& signal_region_changed_signal();
70
71 sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_hit();
72 sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_released();
73
74 gig::Region* get_region() { return region; }
75
76 void on_note_on_event(int key, int velocity);
77 void on_note_off_event(int key, int velocity);
78
79 Gtk::HBox m_VirtKeybPropsBox;
80
81 protected:
82 virtual bool on_expose_event(GdkEventExpose* e);
83 virtual void on_size_request(GtkRequisition* requisition);
84 virtual bool on_button_press_event(GdkEventButton* event);
85 virtual bool on_button_release_event(GdkEventButton* event);
86 virtual bool on_motion_notify_event(GdkEventMotion* event);
87
88 gig::Region* get_region(int key);
89
90 Gdk::Color activeKeyColor, red, grey1, white, black;
91
92 sigc::signal<void> region_selected;
93 sigc::signal<void> instrument_changed;
94
95 sigc::signal<void, gig::Instrument*> instrument_struct_to_be_changed_signal;
96 sigc::signal<void, gig::Instrument*> instrument_struct_changed_signal;
97
98 sigc::signal<void, gig::Region*> region_to_be_changed_signal;
99 sigc::signal<void, gig::Region*> region_changed_signal;
100
101 sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_hit_signal;
102 sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_released_signal;
103
104 gig::Instrument* instrument;
105 gig::Region* region;
106 SortedRegions regions;
107
108 bool is_black_key(int key);
109 void draw_key(int key, const Gdk::Color& color);
110 void draw_digit(int key);
111 void motion_resize_region(int x, int y);
112 void motion_move_region(int x, int y);
113
114 // information needed during a resize
115 struct {
116 bool active;
117 enum {
118 undecided,
119 moving_high_limit,
120 moving_low_limit
121 } mode;
122 int pos;
123 int min;
124 int max;
125 gig::Region* region;
126 gig::Region* prev_region;
127 } resize;
128
129 // information needed during a region move
130 struct {
131 bool active;
132 double from_x;
133 int pos;
134 bool touch_left;
135 bool touch_right;
136 } move;
137
138 bool cursor_is_resize;
139 bool is_in_resize_zone(double x, double y);
140
141 int h1;
142
143 Gtk::Menu* popup_menu_inside_region;
144 Gtk::Menu* popup_menu_outside_region;
145 void show_region_properties();
146 void add_region();
147 void delete_region();
148 void manage_dimensions();
149 void on_dimension_manager_changed();
150 int new_region_pos;
151
152 Glib::RefPtr<Gtk::ActionGroup> actionGroup;
153 Glib::RefPtr<Gtk::UIManager> uiManager;
154
155 // properties of the virtaul keyboard
156 ChoiceEntry<virt_keyboard_mode_t> m_VirtKeybModeChoice;
157 Gtk::Label m_VirtKeybVelocityLabelDescr;
158 Gtk::Label m_VirtKeybVelocityLabel;
159 Gtk::Label m_VirtKeybOffVelocityLabelDescr;
160 Gtk::Label m_VirtKeybOffVelocityLabel;
161 int currentActiveKey;
162
163 DimensionManager dimensionManager;
164 };
165
166 #endif

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