/[svn]/gigedit/trunk/src/gigedit/regionchooser.cpp
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Diff of /gigedit/trunk/src/gigedit/regionchooser.cpp

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revision 1623 by persson, Fri Jan 4 19:42:45 2008 UTC revision 1660 by schoenebeck, Sun Feb 3 00:19:55 2008 UTC
# Line 27  Line 27 
27    
28  #include "global.h"  #include "global.h"
29    
30    #define REGION_BLOCK_HEIGHT             20
31    #define KEYBOARD_HEIGHT                 40
32    
33  void SortedRegions::update(gig::Instrument* instrument) {  void SortedRegions::update(gig::Instrument* instrument) {
34      // Usually, the regions in a gig file are ordered after their key      // Usually, the regions in a gig file are ordered after their key
35      // range, but there are files where they are not. The      // range, but there are files where they are not. The
# Line 60  RegionChooser::RegionChooser() Line 63  RegionChooser::RegionChooser()
63    
64      red = Gdk::Color("#8070ff");      red = Gdk::Color("#8070ff");
65      grey1 = Gdk::Color("#b0b0b0");      grey1 = Gdk::Color("#b0b0b0");
66        activeKeyColor = Gdk::Color("#ff0000");
67        white = Gdk::Color("#ffffff");
68        black = Gdk::Color("#000000");
69    
70      colormap->alloc_color(red);      colormap->alloc_color(red);
71      colormap->alloc_color(grey1);      colormap->alloc_color(grey1);
72        colormap->alloc_color(activeKeyColor);
73        colormap->alloc_color(white);
74        colormap->alloc_color(black);
75      instrument = 0;      instrument = 0;
76      region = 0;      region = 0;
77      resize.active = false;      resize.active = false;
78      move.active = false;      move.active = false;
79      cursor_is_resize = false;      cursor_is_resize = false;
80      h1 = 20;      h1 = REGION_BLOCK_HEIGHT;
81    
82      actionGroup = Gtk::ActionGroup::create();      actionGroup = Gtk::ActionGroup::create();
83      actionGroup->add(Gtk::Action::create("Properties",      actionGroup->add(Gtk::Action::create("Properties",
# Line 116  RegionChooser::RegionChooser() Line 125  RegionChooser::RegionChooser()
125              sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed)              sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed)
126          )          )
127      );      );
128        keyboard_key_hit_signal.connect(
129            sigc::mem_fun(*this, &RegionChooser::on_note_on_event)
130        );
131        keyboard_key_released_signal.connect(
132            sigc::mem_fun(*this, &RegionChooser::on_note_off_event)
133        );
134  }  }
135    
136  RegionChooser::~RegionChooser()  RegionChooser::~RegionChooser()
137  {  {
138  }  }
139    
140    void RegionChooser::on_note_on_event(int key, int velocity) {
141        draw_region(key, key+1, activeKeyColor);
142    }
143    
144    void RegionChooser::on_note_off_event(int key, int velocity) {
145        if (is_black_key(key))
146            draw_region(key, key+1, black);
147        else
148            draw_region(key, key+1, white);
149    }
150    
151  void RegionChooser::on_realize()  void RegionChooser::on_realize()
152  {  {
153      // We need to call the base on_realize()      // We need to call the base on_realize()
# Line 137  bool RegionChooser::on_expose_event(GdkE Line 163  bool RegionChooser::on_expose_event(GdkE
163  {  {
164      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
165      window->clear();      window->clear();
166      const int h = 40;      const int h = KEYBOARD_HEIGHT;
167      const int w = get_width() - 1;      const int w = get_width() - 1;
168      const int bh = int(h * 0.55);      const int bh = int(h * 0.55);
169    
170      Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc();      Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc();
171      Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc();      Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc();
172    
     Glib::RefPtr<Pango::Context> context = get_pango_context();  
     Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context);  
   
173      window->draw_rectangle(black, false, 0, h1, w, h - 1);      window->draw_rectangle(black, false, 0, h1, w, h - 1);
174      gc->set_foreground(grey1);      gc->set_foreground(grey1);
175      int x1 = int(w * 20.5 / 128.0 + 0.5);      int x1 = int(w * 20.5 / 128.0 + 0.5);
# Line 156  bool RegionChooser::on_expose_event(GdkE Line 179  bool RegionChooser::on_expose_event(GdkE
179      window->draw_rectangle(white, true, x1 + 1, h1 + 1, x2 - x1 - 1, h - 2);      window->draw_rectangle(white, true, x1 + 1, h1 + 1, x2 - x1 - 1, h - 2);
180      window->draw_rectangle(gc, true, x2 + 1, h1 + 1,      window->draw_rectangle(gc, true, x2 + 1, h1 + 1,
181                             w - x2 - 1, h - 2);                             w - x2 - 1, h - 2);
     int octave = -1;  
182      for (int i = 0 ; i < 128 ; i++) {      for (int i = 0 ; i < 128 ; i++) {
183          int note = (i + 3) % 12;          int note = (i + 3) % 12;
184          int x = int(w * i / 128.0 + 0.5);          int x = int(w * i / 128.0 + 0.5);
# Line 170  bool RegionChooser::on_expose_event(GdkE Line 192  bool RegionChooser::on_expose_event(GdkE
192          } else if (note == 3 || note == 8) {          } else if (note == 3 || note == 8) {
193              window->draw_line(black, x, h1 + 1, x, h1 + h);              window->draw_line(black, x, h1 + 1, x, h1 + h);
194          }          }
195          if (note == 3) {          if (note == 3) draw_digit(i);
             char buf[30];  
             sprintf(buf, "<span size=\"8000\">%d</span>", octave);  
             layout->set_markup(buf);  
             Pango::Rectangle rectangle = layout->get_logical_extents();  
             double text_w = double(rectangle.get_width()) / Pango::SCALE;  
             double text_h = double(rectangle.get_height()) / Pango::SCALE;  
             double x2 = w * (i + 0.75) / 128.0;  
             window->draw_layout(black, int(x2 - text_w / 2 + 1),  
                                 int(h1 + h - text_h + 0.5), layout);  
             octave++;  
         }  
196      }      }
197    
198      if (instrument) {      if (instrument) {
# Line 222  bool RegionChooser::on_expose_event(GdkE Line 233  bool RegionChooser::on_expose_event(GdkE
233  void RegionChooser::on_size_request(GtkRequisition* requisition)  void RegionChooser::on_size_request(GtkRequisition* requisition)
234  {  {
235      *requisition = GtkRequisition();      *requisition = GtkRequisition();
236      requisition->height = 40 + 20;      requisition->height = KEYBOARD_HEIGHT + REGION_BLOCK_HEIGHT;
237      requisition->width = 500;      requisition->width = 500;
238  }  }
239    
240    bool RegionChooser::is_black_key(int key) {
241        const int note = (key + 3) % 12;
242        return note == 1 || note == 4 || note == 6 || note == 9 || note == 11;
243    }
244    
245    void RegionChooser::draw_digit(int key) {
246        const int h = KEYBOARD_HEIGHT;
247        const int w = get_width() - 1;
248        Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context());
249        char buf[30];
250        sprintf(buf, "<span size=\"8000\">%d</span>", key / 12 - 1);
251        layout->set_markup(buf);
252        Pango::Rectangle rectangle = layout->get_logical_extents();
253        double text_w = double(rectangle.get_width()) / Pango::SCALE;
254        double text_h = double(rectangle.get_height()) / Pango::SCALE;
255        double x = w * (key + 0.75) / 128.0;
256        get_window()->draw_layout(get_style()->get_black_gc(), int(x - text_w / 2 + 1),
257                                  int(h1 + h - text_h + 0.5), layout);
258    }
259    
 // not used  
260  void RegionChooser::draw_region(int from, int to, const Gdk::Color& color)  void RegionChooser::draw_region(int from, int to, const Gdk::Color& color)
261  {  {
262      const int h = 40;      const int h = KEYBOARD_HEIGHT;
263      const int w = get_width();      const int w = get_width() - 1;
264      const int bh = int(h * 0.55);      const int bh = int(h * 0.55);
265    
266      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
# Line 242  void RegionChooser::draw_region(int from Line 271  void RegionChooser::draw_region(int from
271          int x = int(w * i / 128.0 + 0.5) + 1;          int x = int(w * i / 128.0 + 0.5) + 1;
272          int x2 = int(w * (i + 1.5) / 128.0 + 0.5);          int x2 = int(w * (i + 1.5) / 128.0 + 0.5);
273          int x3 = int(w * (i + 1) / 128.0 + 0.5);          int x3 = int(w * (i + 1) / 128.0 + 0.5);
274          int x4 = int(w * (i - 0.5) / 128 + 0.5) + 1;          int x4 = int(w * (i - 0.5) / 128.0 + 0.5);
275          int w1 = x3 - x;          int w1 = x3 - x;
276          switch (note) {          switch (note) {
277          case 0: case 5: case 10:          case 0: case 5: case 10:
278              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);
279              window->draw_rectangle(gc, true, x4, h1 + bh + 1, x2 - x4, h - bh - 2);              window->draw_rectangle(gc, true, x4 + 1, h1 + bh + 1, x2 - x4 - 1, h - bh - 2);
280              break;              break;
281          case 2: case 7:          case 2: case 7:
282              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);
283              window->draw_rectangle(gc, true, x4, h1 + bh + 1, x3 - x4, h - bh - 2);              window->draw_rectangle(gc, true, x4 + 1, h1 + bh + 1, x3 - x4 - 1, h - bh - 2);
284              break;              break;
285          case 3: case 8:          case 3: case 8:
286              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);
287              window->draw_rectangle(gc, true, x, h1 + bh + 1, x2 - x, h - bh - 2);              window->draw_rectangle(gc, true, x, h1 + bh + 1, x2 - x, h - bh - 2);
288                if (note == 3) draw_digit(i);
289              break;              break;
290          default:          default:
291              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1);
# Line 275  void RegionChooser::set_instrument(gig:: Line 305  void RegionChooser::set_instrument(gig::
305    
306  bool RegionChooser::on_button_release_event(GdkEventButton* event)  bool RegionChooser::on_button_release_event(GdkEventButton* event)
307  {  {
308        const int k = int(event->x / (get_width() - 1) * 128.0);
309    
310        if (event->type == GDK_BUTTON_RELEASE) {
311            if (event->y >= REGION_BLOCK_HEIGHT) {
312                int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 :
313                               int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1;
314                keyboard_key_released_signal.emit(k, velocity);
315            }
316        }
317    
318      if (resize.active) {      if (resize.active) {
319          get_window()->pointer_ungrab(event->time);          get_window()->pointer_ungrab(event->time);
320          resize.active = false;          resize.active = false;
# Line 334  bool RegionChooser::on_button_press_even Line 374  bool RegionChooser::on_button_press_even
374  {  {
375      if (!instrument) return true;      if (!instrument) return true;
376    
377      int k = int(event->x / (get_width() - 1) * 128.0);      const int k = int(event->x / (get_width() - 1) * 128.0);
378    
379        if (event->type == GDK_BUTTON_PRESS) {
380            if (event->y >= REGION_BLOCK_HEIGHT) {
381                int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 :
382                               int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1;
383                keyboard_key_hit_signal.emit(k, velocity);
384            }
385        }
386    
387        if (event->y >= REGION_BLOCK_HEIGHT) return true;
388      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
389          gig::Region* r = get_region(k);          gig::Region* r = get_region(k);
390          if (r) {          if (r) {
# Line 730  sigc::signal<void, gig::Region*>& Region Line 779  sigc::signal<void, gig::Region*>& Region
779  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() {  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() {
780      return region_changed_signal;      return region_changed_signal;
781  }  }
782    
783    sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_hit() {
784        return keyboard_key_hit_signal;
785    }
786    
787    sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_released() {
788        return keyboard_key_released_signal;
789    }
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