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

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Revision 3409 - (show annotations) (download) (as text)
Tue Jan 23 16:30:56 2018 UTC (2 years, 2 months ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 6757 byte(s)
* Added new main menu item "View" -> "Tooltips for Beginners" which allows
  to disable tooltips intended for newbies only (default: on).
* Bumped version (1.1.0.svn3).

1 /* -*- c++ -*-
2 * Copyright (C) 2006-2017 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 "compat.h"
26
27 #include <gtkmm/box.h>
28 #include <gtkmm/drawingarea.h>
29 #include <gdkmm/window.h>
30 #include <gtkmm/menu.h>
31
32 #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 #include "dimensionmanager.h"
39 #include "paramedit.h"
40 #include "compat.h"
41
42 #ifdef LIBGIG_HEADER_FILE
43 # include LIBGIG_HEADER_FILE(gig.h)
44 #else
45 # include <gig.h>
46 #endif
47
48 enum virt_keyboard_mode_t {
49 VIRT_KEYBOARD_MODE_NORMAL,
50 VIRT_KEYBOARD_MODE_CHORD
51 };
52
53 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 bool operator() (gig::Region* x, gig::Region* y) const {
63 return x->KeyRange.low < y->KeyRange.low;
64 }
65 };
66
67 class RegionChooser : public Gtk::DrawingArea
68 {
69 public:
70 RegionChooser();
71 virtual ~RegionChooser();
72
73 void set_instrument(gig::Instrument* instrument);
74
75 // ATM only used for painting auto selected regions with gray hatched pattern
76 void setModifyAllRegions(bool b);
77
78 sigc::signal<void>& signal_region_selected();
79 sigc::signal<void>& signal_instrument_changed();
80
81 sigc::signal<void, gig::Instrument*>& signal_instrument_struct_to_be_changed();
82 sigc::signal<void, gig::Instrument*>& signal_instrument_struct_changed();
83
84 sigc::signal<void, gig::Region*>& signal_region_to_be_changed();
85 sigc::signal<void, gig::Region*>& signal_region_changed_signal();
86
87 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 gig::Region* get_region() { return region; }
91 void set_region(gig::Region* region);
92 void select_next_region();
93 void select_prev_region();
94
95 void on_note_on_event(int key, int velocity);
96 void on_note_off_event(int key, int velocity);
97
98 HBox m_VirtKeybPropsBox;
99
100 protected:
101 #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
102 virtual bool on_expose_event(GdkEventExpose* e);
103 #else
104 virtual bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
105 #endif
106 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 Gdk::RGBA activeKeyColor, blue, grey1, white, black;
113 Glib::RefPtr<Gdk::Pixbuf> blueHatchedPatternARGB;
114 Cairo::RefPtr<Cairo::SurfacePattern> blueHatchedSurfacePattern;
115
116 sigc::signal<void> region_selected;
117 sigc::signal<void> instrument_changed;
118
119 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 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 gig::Instrument* instrument;
129 gig::Region* region;
130 SortedRegions regions;
131
132 bool is_black_key(int key);
133 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 void motion_resize_region(int x, int y);
140 void motion_move_region(int x, int y);
141 void update_after_resize();
142 void update_after_move(int pos);
143 void invalidate_key(int key);
144 void on_show_tooltips_changed();
145
146 // returns the leftmost pixel of a key
147 int key_to_x(double k, int w) const {
148 return int(k * w / 128.0 + 0.5);
149 }
150
151 // returns the key given a pixel
152 int x_to_key(double x, int w) const {
153 return int(x / w * 128.0);
154 }
155
156 // returns the key given a pixel. If the pixel is the border
157 // between two keys, the key to the r�ght is always returned.
158 int x_to_key_right(double x, int w) const {
159 return int(ceil((x + 0.5) / w * 128.0)) - 1;
160 }
161
162 // information needed during a resize
163 struct {
164 bool active;
165 enum {
166 undecided,
167 moving_high_limit,
168 moving_low_limit
169 } mode;
170 int pos;
171 int min;
172 int max;
173 gig::Region* region;
174 gig::Region* prev_region;
175 } resize;
176
177 // information needed during a region move
178 struct {
179 bool active;
180 int offset;
181 } move;
182
183 bool cursor_is_resize;
184 bool is_in_resize_zone(double x, double y);
185
186 int h1;
187
188 // ATM only used for painting auto selected regions with gray hatched pattern
189 bool modifyallregions;
190
191 Gtk::Menu* popup_menu_inside_region;
192 Gtk::Menu* popup_menu_outside_region;
193 void show_region_properties();
194 void add_region();
195 void delete_region();
196 void manage_dimensions();
197 void on_dimension_manager_changed();
198 int new_region_pos;
199
200 Glib::RefPtr<ActionGroup> actionGroup;
201 #if USE_GTKMM_BUILDER
202 Glib::RefPtr<Gtk::Builder> uiManager;
203 #else
204 Glib::RefPtr<Gtk::UIManager> uiManager;
205 #endif
206
207 // properties of the virtual keyboard
208 ChoiceEntry<virt_keyboard_mode_t> m_VirtKeybModeChoice;
209 Gtk::Label m_VirtKeybVelocityLabelDescr;
210 Gtk::Label m_VirtKeybVelocityLabel;
211 Gtk::Label m_VirtKeybOffVelocityLabelDescr;
212 Gtk::Label m_VirtKeybOffVelocityLabel;
213 int currentActiveKey;
214 bool key_pressed[128];
215
216 DimensionManager dimensionManager;
217 };
218
219 #endif

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