/[svn]/gigedit/trunk/src/gigedit/regionchooser.h
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revision 1225 by schoenebeck, Sun Jun 10 10:56:11 2007 UTC revision 2246 by persson, Fri Aug 19 10:55:41 2011 UTC
# Line 1  Line 1 
1  /*                                                         -*- c++ -*-  /*                                                         -*- c++ -*-
2   * Copyright (C) 2006, 2007 Andreas Persson   * Copyright (C) 2006-2011 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/drawingarea.h>  #include <gtkmm/drawingarea.h>
 #include <gdkmm/colormap.h>  
26  #include <gtkmm/uimanager.h>  #include <gtkmm/uimanager.h>
27  #include <gdkmm/window.h>  #include <gdkmm/window.h>
28  #include <gtkmm/menu.h>  #include <gtkmm/menu.h>
29    
30  #include "dimensionmanager.h"  #include "dimensionmanager.h"
31    #include "paramedit.h"
32    #include "compat.h"
33    
34  #include <gig.h>  #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  class RegionChooser : public Gtk::DrawingArea
56  {  {
57  public:  public:
# Line 38  public: Line 60  public:
60    
61      void set_instrument(gig::Instrument* instrument);      void set_instrument(gig::Instrument* instrument);
62    
63      sigc::signal<void> signal_sel_changed();      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; }      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:  protected:
83      virtual void on_realize();  #if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2
84      virtual bool on_expose_event(GdkEventExpose* e);      virtual bool on_expose_event(GdkEventExpose* e);
85      virtual void on_size_request(GtkRequisition* requisition);  #else
86        virtual bool on_draw(const Cairo::RefPtr<Cairo::Context>& cr);
87    #endif
88      virtual bool on_button_press_event(GdkEventButton* event);      virtual bool on_button_press_event(GdkEventButton* event);
89      virtual bool on_button_release_event(GdkEventButton* event);      virtual bool on_button_release_event(GdkEventButton* event);
90      virtual bool on_motion_notify_event(GdkEventMotion* event);      virtual bool on_motion_notify_event(GdkEventMotion* event);
91    
92      gig::Region* get_region(int key);      gig::Region* get_region(int key);
93    
94      Glib::RefPtr<Gdk::GC> gc;      Gdk::RGBA activeKeyColor, red, grey1, white, black;
95      Gdk::Color blue, red, black, white, green, grey1;  
96        sigc::signal<void> region_selected;
97        sigc::signal<void> instrument_changed;
98    
99      void draw_region(int from, int to, const Gdk::Color& color);      sigc::signal<void, gig::Instrument*> instrument_struct_to_be_changed_signal;
100        sigc::signal<void, gig::Instrument*> instrument_struct_changed_signal;
101    
102      sigc::signal<void> sel_changed_signal;      sigc::signal<void, gig::Region*> region_to_be_changed_signal;
103        sigc::signal<void, gig::Region*> region_changed_signal;
104    
105        sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_hit_signal;
106        sigc::signal<void, int/*key*/, int/*velocity*/> keyboard_key_released_signal;
107    
108      gig::Instrument* instrument;      gig::Instrument* instrument;
109      gig::Region* region;      gig::Region* region;
110        SortedRegions regions;
111    
112        bool is_black_key(int key);
113        void draw_keyboard(const Cairo::RefPtr<Cairo::Context>& cr,
114                           int clip_low, int clip_high);
115        void draw_regions(const Cairo::RefPtr<Cairo::Context>& cr,
116                          int clip_low, int clip_high);
117        void draw_key(const Cairo::RefPtr<Cairo::Context>& cr, int key);
118        void draw_digit(const Cairo::RefPtr<Cairo::Context>& cr, int key);
119        void motion_resize_region(int x, int y);
120        void motion_move_region(int x, int y);
121        void update_after_resize();
122        void update_after_move(int pos);
123        void invalidate_key(int key);
124    
125        // returns the leftmost pixel of a key
126        int key_to_x(double k, int w) const {
127            return int(k * w / 128.0 + 0.5);
128        }
129    
130        // returns the key given a pixel
131        int x_to_key(double x, int w) const {
132            return int(x / w * 128.0);
133        }
134    
135        // returns the key given a pixel. If the pixel is the border
136        // between two keys, the key to the ríght is always returned.
137        int x_to_key_right(double x, int w) const {
138            return int(ceil((x + 0.5) / w * 128.0)) - 1;
139        }
140    
141      // information needed during a resize      // information needed during a resize
142      struct {      struct {
# Line 77  protected: Line 153  protected:
153          gig::Region* prev_region;          gig::Region* prev_region;
154      } resize;      } resize;
155    
156        // information needed during a region move
157        struct {
158            bool active;
159            int offset;
160        } move;
161    
162      bool cursor_is_resize;      bool cursor_is_resize;
163      bool is_in_resize_zone(double x, double y);      bool is_in_resize_zone(double x, double y);
164    
165      int h1;      int h1;
     int width;  
166    
167      Gtk::Menu* popup_menu_inside_region;      Gtk::Menu* popup_menu_inside_region;
168      Gtk::Menu* popup_menu_outside_region;      Gtk::Menu* popup_menu_outside_region;
# Line 95  protected: Line 176  protected:
176      Glib::RefPtr<Gtk::ActionGroup> actionGroup;      Glib::RefPtr<Gtk::ActionGroup> actionGroup;
177      Glib::RefPtr<Gtk::UIManager> uiManager;      Glib::RefPtr<Gtk::UIManager> uiManager;
178    
179        // properties of the virtual keyboard
180        ChoiceEntry<virt_keyboard_mode_t> m_VirtKeybModeChoice;
181        Gtk::Label m_VirtKeybVelocityLabelDescr;
182        Gtk::Label m_VirtKeybVelocityLabel;
183        Gtk::Label m_VirtKeybOffVelocityLabelDescr;
184        Gtk::Label m_VirtKeybOffVelocityLabel;
185        int currentActiveKey;
186        bool key_pressed[128];
187    
188      DimensionManager dimensionManager;      DimensionManager dimensionManager;
189  };  };
190    
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