/[svn]/gigedit/trunk/src/gigedit/regionchooser.h
ViewVC logotype

Contents of /gigedit/trunk/src/gigedit/regionchooser.h

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1661 - (show annotations) (download) (as text)
Sun Feb 3 14:10:47 2008 UTC (16 years, 1 month ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 5109 byte(s)
* implemented alternative behavior for the virtual MIDI keyboard
  (selectable by combobox below the keyboard)
* show absolute velocity value of note-on & note-off events below
  the virtual MIDI keyboard

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 #include "paramedit.h"
33
34 #include <gig.h>
35
36 enum virt_keyboard_mode_t {
37 VIRT_KEYBOARD_MODE_NORMAL,
38 VIRT_KEYBOARD_MODE_CHORD
39 };
40
41 class SortedRegions {
42 private:
43 std::vector<gig::Region*> regions;
44 std::vector<gig::Region*>::iterator region_iterator;
45
46 public:
47 void update(gig::Instrument* instrument);
48 gig::Region* first();
49 gig::Region* next();
50 bool operator() (gig::Region* x, gig::Region* y) {
51 return x->KeyRange.low < y->KeyRange.low;
52 }
53 };
54
55 class RegionChooser : public Gtk::DrawingArea
56 {
57 public:
58 RegionChooser();
59 virtual ~RegionChooser();
60
61 void set_instrument(gig::Instrument* instrument);
62
63 sigc::signal<void>& signal_region_selected();
64 sigc::signal<void>& signal_instrument_changed();
65
66 sigc::signal<void, gig::Instrument*>& signal_instrument_struct_to_be_changed();
67 sigc::signal<void, gig::Instrument*>& signal_instrument_struct_changed();
68
69 sigc::signal<void, gig::Region*>& signal_region_to_be_changed();
70 sigc::signal<void, gig::Region*>& signal_region_changed_signal();
71
72 sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_hit();
73 sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_released();
74
75 gig::Region* get_region() { return region; }
76
77 void on_note_on_event(int key, int velocity);
78 void on_note_off_event(int key, int velocity);
79
80 Gtk::HBox m_VirtKeybPropsBox;
81
82 protected:
83 virtual void on_realize();
84 virtual bool on_expose_event(GdkEventExpose* e);
85 virtual void on_size_request(GtkRequisition* requisition);
86 virtual bool on_button_press_event(GdkEventButton* event);
87 virtual bool on_button_release_event(GdkEventButton* event);
88 virtual bool on_motion_notify_event(GdkEventMotion* event);
89
90 gig::Region* get_region(int key);
91
92 Glib::RefPtr<Gdk::GC> gc;
93 Gdk::Color activeKeyColor, red, grey1, white, black;
94
95 sigc::signal<void> region_selected;
96 sigc::signal<void> instrument_changed;
97
98 sigc::signal<void, gig::Instrument*> instrument_struct_to_be_changed_signal;
99 sigc::signal<void, gig::Instrument*> instrument_struct_changed_signal;
100
101 sigc::signal<void, gig::Region*> region_to_be_changed_signal;
102 sigc::signal<void, gig::Region*> region_changed_signal;
103
104 sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_hit_signal;
105 sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_released_signal;
106
107 gig::Instrument* instrument;
108 gig::Region* region;
109 SortedRegions regions;
110
111 bool is_black_key(int key);
112 void draw_region(int from, int to, const Gdk::Color& color);
113 void draw_digit(int key);
114 void motion_resize_region(int x, int y);
115 void motion_move_region(int x, int y);
116
117 // information needed during a resize
118 struct {
119 bool active;
120 enum {
121 undecided,
122 moving_high_limit,
123 moving_low_limit
124 } mode;
125 int pos;
126 int min;
127 int max;
128 gig::Region* region;
129 gig::Region* prev_region;
130 } resize;
131
132 // information needed during a region move
133 struct {
134 bool active;
135 double from_x;
136 int pos;
137 bool touch_left;
138 bool touch_right;
139 } move;
140
141 bool cursor_is_resize;
142 bool is_in_resize_zone(double x, double y);
143
144 int h1;
145
146 Gtk::Menu* popup_menu_inside_region;
147 Gtk::Menu* popup_menu_outside_region;
148 void show_region_properties();
149 void add_region();
150 void delete_region();
151 void manage_dimensions();
152 void on_dimension_manager_changed();
153 int new_region_pos;
154
155 Glib::RefPtr<Gtk::ActionGroup> actionGroup;
156 Glib::RefPtr<Gtk::UIManager> uiManager;
157
158 // properties of the virtaul keyboard
159 ChoiceEntry<virt_keyboard_mode_t> m_VirtKeybModeChoice;
160 Gtk::Label m_VirtKeybVelocityLabelDescr;
161 Gtk::Label m_VirtKeybVelocityLabel;
162 Gtk::Label m_VirtKeybOffVelocityLabelDescr;
163 Gtk::Label m_VirtKeybOffVelocityLabel;
164 int currentActiveKey;
165
166 DimensionManager dimensionManager;
167 };
168
169 #endif

  ViewVC Help
Powered by ViewVC