/[svn]/gigedit/trunk/src/gigedit/regionchooser.h
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revision 1225 by schoenebeck, Sun Jun 10 10:56:11 2007 UTC revision 2844 by persson, Sun Sep 20 08:49:40 2015 UTC
# Line 1  Line 1 
1  /*                                                         -*- c++ -*-  /*                                                         -*- c++ -*-
2   * Copyright (C) 2006, 2007 Andreas Persson   * Copyright (C) 2006-2015 Andreas Persson
3   *   *
4   * This program is free software; you can redistribute it and/or   * This program is free software; you can redistribute it and/or
5   * modify it under the terms of the GNU General Public License as   * modify it under the terms of the GNU General Public License as
# Line 20  Line 20 
20  #ifndef GIGEDIT_REGIONCHOOSER_H  #ifndef GIGEDIT_REGIONCHOOSER_H
21  #define GIGEDIT_REGIONCHOOSER_H  #define GIGEDIT_REGIONCHOOSER_H
22    
23    #include <vector>
24    
25    #include <gtkmm/box.h>
26  #include <gtkmm/drawingarea.h>  #include <gtkmm/drawingarea.h>
 #include <gdkmm/colormap.h>  
27  #include <gtkmm/uimanager.h>  #include <gtkmm/uimanager.h>
28  #include <gdkmm/window.h>  #include <gdkmm/window.h>
29  #include <gtkmm/menu.h>  #include <gtkmm/menu.h>
30    
31  #include "dimensionmanager.h"  #include "dimensionmanager.h"
32    #include "paramedit.h"
33    #include "compat.h"
34    
35  #include <gig.h>  #include <gig.h>
36    
37    enum virt_keyboard_mode_t {
38        VIRT_KEYBOARD_MODE_NORMAL,
39        VIRT_KEYBOARD_MODE_CHORD
40    };
41    
42    class SortedRegions {
43    private:
44        std::vector<gig::Region*> regions;
45        std::vector<gig::Region*>::iterator region_iterator;
46    
47    public:
48        void update(gig::Instrument* instrument);
49        gig::Region* first();
50        gig::Region* next();
51        bool operator() (gig::Region* x, gig::Region* y) const {
52            return x->KeyRange.low < y->KeyRange.low;
53        }
54    };
55    
56  class RegionChooser : public Gtk::DrawingArea  class RegionChooser : public Gtk::DrawingArea
57  {  {
58  public:  public:
# Line 38  public: Line 61  public:
61    
62      void set_instrument(gig::Instrument* instrument);      void set_instrument(gig::Instrument* instrument);
63    
64      sigc::signal<void> signal_sel_changed();      sigc::signal<void>& signal_region_selected();
65        sigc::signal<void>& signal_instrument_changed();
66    
67        sigc::signal<void, gig::Instrument*>& signal_instrument_struct_to_be_changed();
68        sigc::signal<void, gig::Instrument*>& signal_instrument_struct_changed();
69    
70        sigc::signal<void, gig::Region*>& signal_region_to_be_changed();
71        sigc::signal<void, gig::Region*>& signal_region_changed_signal();
72    
73        sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_hit();
74        sigc::signal<void, int/*key*/, int/*velocity*/>& signal_keyboard_key_released();
75    
76      gig::Region* get_region() { return region; }      gig::Region* get_region() { return region; }
77        void set_region(gig::Region* region);
78    
79        void on_note_on_event(int key, int velocity);
80        void on_note_off_event(int key, int velocity);
81    
82        Gtk::HBox m_VirtKeybPropsBox;
83    
84  protected:  protected:
85      virtual void on_realize();  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
86      virtual bool on_expose_event(GdkEventExpose* e);      virtual bool on_expose_event(GdkEventExpose* e);
87      virtual void on_size_request(GtkRequisition* requisition);  #else
88        virtual bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
89    #endif
90      virtual bool on_button_press_event(GdkEventButton* event);      virtual bool on_button_press_event(GdkEventButton* event);
91      virtual bool on_button_release_event(GdkEventButton* event);      virtual bool on_button_release_event(GdkEventButton* event);
92      virtual bool on_motion_notify_event(GdkEventMotion* event);      virtual bool on_motion_notify_event(GdkEventMotion* event);
93    
94      gig::Region* get_region(int key);      gig::Region* get_region(int key);
95    
96      Glib::RefPtr<Gdk::GC> gc;      Gdk::RGBA activeKeyColor, red, grey1, white, black;
97      Gdk::Color blue, red, black, white, green, grey1;  
98        sigc::signal<void> region_selected;
99        sigc::signal<void> instrument_changed;
100    
101      void draw_region(int from, int to, const Gdk::Color& color);      sigc::signal<void, gig::Instrument*> instrument_struct_to_be_changed_signal;
102        sigc::signal<void, gig::Instrument*> instrument_struct_changed_signal;
103    
104      sigc::signal<void> sel_changed_signal;      sigc::signal<void, gig::Region*> region_to_be_changed_signal;
105        sigc::signal<void, gig::Region*> region_changed_signal;
106    
107        sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_hit_signal;
108        sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_released_signal;
109    
110      gig::Instrument* instrument;      gig::Instrument* instrument;
111      gig::Region* region;      gig::Region* region;
112        SortedRegions regions;
113    
114        bool is_black_key(int key);
115        void draw_keyboard(const Cairo::RefPtr<Cairo::Context>& cr,
116                           int clip_low, int clip_high);
117        void draw_regions(const Cairo::RefPtr<Cairo::Context>& cr,
118                          int clip_low, int clip_high);
119        void draw_key(const Cairo::RefPtr<Cairo::Context>& cr, int key);
120        void draw_digit(const Cairo::RefPtr<Cairo::Context>& cr, int key);
121        void motion_resize_region(int x, int y);
122        void motion_move_region(int x, int y);
123        void update_after_resize();
124        void update_after_move(int pos);
125        void invalidate_key(int key);
126    
127        // returns the leftmost pixel of a key
128        int key_to_x(double k, int w) const {
129            return int(k * w / 128.0 + 0.5);
130        }
131    
132        // returns the key given a pixel
133        int x_to_key(double x, int w) const {
134            return int(x / w * 128.0);
135        }
136    
137        // returns the key given a pixel. If the pixel is the border
138        // between two keys, the key to the ríght is always returned.
139        int x_to_key_right(double x, int w) const {
140            return int(ceil((x + 0.5) / w * 128.0)) - 1;
141        }
142    
143      // information needed during a resize      // information needed during a resize
144      struct {      struct {
# Line 77  protected: Line 155  protected:
155          gig::Region* prev_region;          gig::Region* prev_region;
156      } resize;      } resize;
157    
158        // information needed during a region move
159        struct {
160            bool active;
161            int offset;
162        } move;
163    
164      bool cursor_is_resize;      bool cursor_is_resize;
165      bool is_in_resize_zone(double x, double y);      bool is_in_resize_zone(double x, double y);
166    
167      int h1;      int h1;
     int width;  
168    
169      Gtk::Menu* popup_menu_inside_region;      Gtk::Menu* popup_menu_inside_region;
170      Gtk::Menu* popup_menu_outside_region;      Gtk::Menu* popup_menu_outside_region;
# Line 95  protected: Line 178  protected:
178      Glib::RefPtr<Gtk::ActionGroup> actionGroup;      Glib::RefPtr<Gtk::ActionGroup> actionGroup;
179      Glib::RefPtr<Gtk::UIManager> uiManager;      Glib::RefPtr<Gtk::UIManager> uiManager;
180    
181        // properties of the virtual keyboard
182        ChoiceEntry<virt_keyboard_mode_t> m_VirtKeybModeChoice;
183        Gtk::Label m_VirtKeybVelocityLabelDescr;
184        Gtk::Label m_VirtKeybVelocityLabel;
185        Gtk::Label m_VirtKeybOffVelocityLabelDescr;
186        Gtk::Label m_VirtKeybOffVelocityLabel;
187        int currentActiveKey;
188        bool key_pressed[128];
189    
190      DimensionManager dimensionManager;      DimensionManager dimensionManager;
191  };  };
192    
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