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

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revision 1336 by schoenebeck, Sun Sep 9 21:31:20 2007 UTC revision 1658 by persson, Sat Feb 2 08:52:48 2008 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2006, 2007 Andreas Persson   * Copyright (C) 2006-2008 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 18  Line 18 
18   */   */
19    
20  #include "regionchooser.h"  #include "regionchooser.h"
21    #include <algorithm>
22  #include <gdkmm/cursor.h>  #include <gdkmm/cursor.h>
23  #include <gtkmm/stock.h>  #include <gtkmm/stock.h>
24  #include <gtkmm/spinbutton.h>  #include <gtkmm/spinbutton.h>
25  #include <gtkmm/dialog.h>  #include <gtkmm/dialog.h>
 #include <libintl.h>  
26  #include <math.h>  #include <math.h>
27    
28  #define _(String) gettext(String)  #include "global.h"
29    
30    void SortedRegions::update(gig::Instrument* instrument) {
31        // Usually, the regions in a gig file are ordered after their key
32        // range, but there are files where they are not. The
33        // RegionChooser code needs a sorted list of regions.
34        regions.clear();
35        if (instrument) {
36            for (gig::Region *r = instrument->GetFirstRegion() ;
37                 r ;
38                 r = instrument->GetNextRegion()) {
39                regions.push_back(r);
40            }
41            sort(regions.begin(), regions.end(), *this);
42        }
43    }
44    
45    gig::Region* SortedRegions::first() {
46        region_iterator = regions.begin();
47        return region_iterator == regions.end() ? 0 : *region_iterator;
48    }
49    
50    gig::Region* SortedRegions::next() {
51        region_iterator++;
52        return region_iterator == regions.end() ? 0 : *region_iterator;
53    }
54    
55    
56    
57  RegionChooser::RegionChooser()  RegionChooser::RegionChooser()
58  {  {
# Line 33  RegionChooser::RegionChooser() Line 60  RegionChooser::RegionChooser()
60    
61      red = Gdk::Color("#8070ff");      red = Gdk::Color("#8070ff");
62      grey1 = Gdk::Color("#b0b0b0");      grey1 = Gdk::Color("#b0b0b0");
63        activeKeyColor = Gdk::Color("#ff0000");
64        white = Gdk::Color("#ffffff");
65        black = Gdk::Color("#000000");
66    
67      colormap->alloc_color(red);      colormap->alloc_color(red);
68      colormap->alloc_color(grey1);      colormap->alloc_color(grey1);
69        colormap->alloc_color(activeKeyColor);
70        colormap->alloc_color(white);
71        colormap->alloc_color(black);
72      instrument = 0;      instrument = 0;
73      region = 0;      region = 0;
74      resize.active = false;      resize.active = false;
75      move.active = false;      move.active = false;
76      cursor_is_resize = false;      cursor_is_resize = false;
77      h1 = 20;      h1 = 20;
     width = 800;  
78    
79      actionGroup = Gtk::ActionGroup::create();      actionGroup = Gtk::ActionGroup::create();
80      actionGroup->add(Gtk::Action::create("Properties",      actionGroup->add(Gtk::Action::create("Properties",
# Line 96  RegionChooser::~RegionChooser() Line 128  RegionChooser::~RegionChooser()
128  {  {
129  }  }
130    
131    void RegionChooser::on_note_on_event(int key, int velocity) {
132        draw_region(key, key+1, activeKeyColor);
133    }
134    
135    void RegionChooser::on_note_off_event(int key, int velocity) {
136        if (is_black_key(key))
137            draw_region(key, key+1, black);
138        else
139            draw_region(key, key+1, white);
140    }
141    
142  void RegionChooser::on_realize()  void RegionChooser::on_realize()
143  {  {
144      // We need to call the base on_realize()      // We need to call the base on_realize()
# Line 112  bool RegionChooser::on_expose_event(GdkE Line 155  bool RegionChooser::on_expose_event(GdkE
155      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
156      window->clear();      window->clear();
157      const int h = 40;      const int h = 40;
158      const int w = width - 1;      const int w = get_width() - 1;
159      const int bh = int(h * 0.55);      const int bh = int(h * 0.55);
160    
161      Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc();      Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc();
162      Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc();      Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc();
163    
     Glib::RefPtr<Pango::Context> context = get_pango_context();  
     Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context);  
   
164      window->draw_rectangle(black, false, 0, h1, w, h - 1);      window->draw_rectangle(black, false, 0, h1, w, h - 1);
165      gc->set_foreground(grey1);      gc->set_foreground(grey1);
166      int x1 = int(w * 20.5 / 128.0 + 0.5);      int x1 = int(w * 20.5 / 128.0 + 0.5);
# Line 130  bool RegionChooser::on_expose_event(GdkE Line 170  bool RegionChooser::on_expose_event(GdkE
170      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);
171      window->draw_rectangle(gc, true, x2 + 1, h1 + 1,      window->draw_rectangle(gc, true, x2 + 1, h1 + 1,
172                             w - x2 - 1, h - 2);                             w - x2 - 1, h - 2);
     int octave = -1;  
173      for (int i = 0 ; i < 128 ; i++) {      for (int i = 0 ; i < 128 ; i++) {
174          int note = (i + 3) % 12;          int note = (i + 3) % 12;
175          int x = int(w * i / 128.0 + 0.5);          int x = int(w * i / 128.0 + 0.5);
# Line 144  bool RegionChooser::on_expose_event(GdkE Line 183  bool RegionChooser::on_expose_event(GdkE
183          } else if (note == 3 || note == 8) {          } else if (note == 3 || note == 8) {
184              window->draw_line(black, x, h1 + 1, x, h1 + h);              window->draw_line(black, x, h1 + 1, x, h1 + h);
185          }          }
186          if (note == 3) {          if (note == 3) draw_digit(i);
             char buf[30];  
             sprintf(buf, "<span size=\"x-small\">%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++;  
         }  
187      }      }
188    
189      if (instrument) {      if (instrument) {
190          int i = 0;          int i = 0;
191          gig::Region *next_region;          gig::Region *next_region;
192          int x3 = -1;          int x3 = -1;
193          for (gig::Region *r = instrument->GetFirstRegion() ;          for (gig::Region *r = regions.first() ; r ; r = next_region) {
              r ;  
              r = next_region) {  
194    
195              if (x3 < 0) x3 = int(w * (r->KeyRange.low) / 128.0 + 0.5);              if (x3 < 0) x3 = int(w * (r->KeyRange.low) / 128.0 + 0.5);
196              next_region = instrument->GetNextRegion();              next_region = regions.next();
197              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {
198                  int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5);                  int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5);
199                  window->draw_line(black, x3, 0, x2, 0);                  window->draw_line(black, x3, 0, x2, 0);
# Line 179  bool RegionChooser::on_expose_event(GdkE Line 205  bool RegionChooser::on_expose_event(GdkE
205              i++;              i++;
206          }          }
207    
208          for (gig::Region *r = instrument->GetFirstRegion() ;          for (gig::Region *r = regions.first() ; r ; r = regions.next()) {
              r ;  
              r = instrument->GetNextRegion()) {  
209              int x = int(w * (r->KeyRange.low) / 128.0 + 0.5);              int x = int(w * (r->KeyRange.low) / 128.0 + 0.5);
210              window->draw_line(black, x, 1, x, h1 - 2);              window->draw_line(black, x, 1, x, h1 - 2);
211          }          }
# Line 204  void RegionChooser::on_size_request(GtkR Line 228  void RegionChooser::on_size_request(GtkR
228      requisition->width = 500;      requisition->width = 500;
229  }  }
230    
231    bool RegionChooser::is_black_key(int key) {
232        const int note = (key + 3) % 12;
233        return note == 1 || note == 4 || note == 6 || note == 9 || note == 11;
234    }
235    
236    void RegionChooser::draw_digit(int key) {
237        const int h = 40;
238        const int w = get_width() - 1;
239        Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context());
240        char buf[30];
241        sprintf(buf, "<span size=\"8000\">%d</span>", key / 12 - 1);
242        layout->set_markup(buf);
243        Pango::Rectangle rectangle = layout->get_logical_extents();
244        double text_w = double(rectangle.get_width()) / Pango::SCALE;
245        double text_h = double(rectangle.get_height()) / Pango::SCALE;
246        double x = w * (key + 0.75) / 128.0;
247        get_window()->draw_layout(get_style()->get_black_gc(), int(x - text_w / 2 + 1),
248                                  int(h1 + h - text_h + 0.5), layout);
249    }
250    
 // not used  
251  void RegionChooser::draw_region(int from, int to, const Gdk::Color& color)  void RegionChooser::draw_region(int from, int to, const Gdk::Color& color)
252  {  {
253      const int h = 40;      const int h = 40;
254      const int w = width;      const int w = get_width() - 1;
255      const int bh = int(h * 0.55);      const int bh = int(h * 0.55);
256    
257      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
# Line 220  void RegionChooser::draw_region(int from Line 262  void RegionChooser::draw_region(int from
262          int x = int(w * i / 128.0 + 0.5) + 1;          int x = int(w * i / 128.0 + 0.5) + 1;
263          int x2 = int(w * (i + 1.5) / 128.0 + 0.5);          int x2 = int(w * (i + 1.5) / 128.0 + 0.5);
264          int x3 = int(w * (i + 1) / 128.0 + 0.5);          int x3 = int(w * (i + 1) / 128.0 + 0.5);
265          int x4 = int(w * (i - 0.5) / 128 + 0.5) + 1;          int x4 = int(w * (i - 0.5) / 128.0 + 0.5);
266          int w1 = x3 - x;          int w1 = x3 - x;
267          switch (note) {          switch (note) {
268          case 0: case 5: case 10:          case 0: case 5: case 10:
269              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);
270              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);
271              break;              break;
272          case 2: case 7:          case 2: case 7:
273              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);
274              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);
275              break;              break;
276          case 3: case 8:          case 3: case 8:
277              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh);
278              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);
279                if (note == 3) draw_digit(i);
280              break;              break;
281          default:          default:
282              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1);              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1);
# Line 245  void RegionChooser::draw_region(int from Line 288  void RegionChooser::draw_region(int from
288  void RegionChooser::set_instrument(gig::Instrument* instrument)  void RegionChooser::set_instrument(gig::Instrument* instrument)
289  {  {
290      this->instrument = instrument;      this->instrument = instrument;
291      region = instrument ? instrument->GetFirstRegion() : 0;      regions.update(instrument);
292        region = regions.first();
293      queue_draw();      queue_draw();
294      region_selected();      region_selected();
295  }  }
# Line 263  bool RegionChooser::on_button_release_ev Line 307  bool RegionChooser::on_button_release_ev
307                      resize.region->KeyRange.low, // low                      resize.region->KeyRange.low, // low
308                      resize.pos - 1 // high                      resize.pos - 1 // high
309                  );                  );
310                    regions.update(instrument);
311                  instrument_changed.emit();                  instrument_changed.emit();
312                  instrument_struct_changed_signal.emit(instrument);                  instrument_struct_changed_signal.emit(instrument);
313              }              }
# Line 273  bool RegionChooser::on_button_release_ev Line 318  bool RegionChooser::on_button_release_ev
318                      resize.pos, // low                      resize.pos, // low
319                      resize.region->KeyRange.high // high                      resize.region->KeyRange.high // high
320                  );                  );
321                    regions.update(instrument);
322                  instrument_changed.emit();                  instrument_changed.emit();
323                  instrument_struct_changed_signal.emit(instrument);                  instrument_struct_changed_signal.emit(instrument);
324              }              }
# Line 292  bool RegionChooser::on_button_release_ev Line 338  bool RegionChooser::on_button_release_ev
338                  region->KeyRange.low  + move.pos,                  region->KeyRange.low  + move.pos,
339                  region->KeyRange.high + move.pos                  region->KeyRange.high + move.pos
340              );              );
341                regions.update(instrument);
342                instrument_changed.emit();
343              instrument_struct_changed_signal.emit(instrument);              instrument_struct_changed_signal.emit(instrument);
344          }          }
345    
# Line 307  bool RegionChooser::on_button_press_even Line 355  bool RegionChooser::on_button_press_even
355  {  {
356      if (!instrument) return true;      if (!instrument) return true;
357    
358      int k = int(event->x / (width - 1) * 128.0);      int k = int(event->x / (get_width() - 1) * 128.0);
359    
360      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
361          gig::Region* r = get_region(k);          gig::Region* r = get_region(k);
# Line 353  gig::Region* RegionChooser::get_region(i Line 401  gig::Region* RegionChooser::get_region(i
401  {  {
402      gig::Region* prev_region = 0;      gig::Region* prev_region = 0;
403      gig::Region* next_region;      gig::Region* next_region;
404      for (gig::Region *r = instrument->GetFirstRegion() ; r ;      for (gig::Region *r = regions.first() ; r ; r = next_region) {
405           r = next_region) {          next_region = regions.next();
         next_region = instrument->GetNextRegion();  
406    
407          if (key < r->KeyRange.low) return 0;          if (key < r->KeyRange.low) return 0;
408          if (key <= r->KeyRange.high) {          if (key <= r->KeyRange.high) {
# Line 370  gig::Region* RegionChooser::get_region(i Line 417  gig::Region* RegionChooser::get_region(i
417    
418  void RegionChooser::motion_resize_region(int x, int y)  void RegionChooser::motion_resize_region(int x, int y)
419  {  {
420      const int w = width - 1;      const int w = get_width() - 1;
421      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
422    
423      int k = int(double(x) / w * 128.0 + 0.5);      int k = int(double(x) / w * 128.0 + 0.5);
# Line 427  void RegionChooser::motion_resize_region Line 474  void RegionChooser::motion_resize_region
474    
475  void RegionChooser::motion_move_region(int x, int y)  void RegionChooser::motion_move_region(int x, int y)
476  {  {
477      const int w = width - 1;      const int w = get_width() - 1;
478      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
479    
480      int k = int(double(x - move.from_x) / w * 128.0 + 0.5);      int k = int(double(x - move.from_x) / w * 128.0 + 0.5);
# Line 437  void RegionChooser::motion_move_region(i Line 484  void RegionChooser::motion_move_region(i
484      bool new_touch_right;      bool new_touch_right;
485      int a = 0;      int a = 0;
486      if (k > move.pos) {      if (k > move.pos) {
487          for (gig::Region* r = instrument->GetFirstRegion() ; ;          for (gig::Region* r = regions.first() ; ; r = regions.next()) {
              r = instrument->GetNextRegion()) {  
488              if (r != region) {              if (r != region) {
489                  int b = r ? r->KeyRange.low : 128;                  int b = r ? r->KeyRange.low : 128;
490    
# Line 468  void RegionChooser::motion_move_region(i Line 514  void RegionChooser::motion_move_region(i
514              }              }
515          }          }
516      } else {      } else {
517          for (gig::Region* r = instrument->GetFirstRegion() ; ;          for (gig::Region* r = regions.first() ; ; r = regions.next()) {
              r = instrument->GetNextRegion()) {  
518              if (r != region) {              if (r != region) {
519                  int b = r ? r->KeyRange.low : 128;                  int b = r ? r->KeyRange.low : 128;
520    
# Line 567  bool RegionChooser::on_motion_notify_eve Line 612  bool RegionChooser::on_motion_notify_eve
612  }  }
613    
614  bool RegionChooser::is_in_resize_zone(double x, double y) {  bool RegionChooser::is_in_resize_zone(double x, double y) {
615      const int w = width - 1;      const int w = get_width() - 1;
616    
617      if (instrument && y >= 0 && y <= h1) {      if (instrument && y >= 0 && y <= h1) {
618          gig::Region* prev_region = 0;          gig::Region* prev_region = 0;
619          gig::Region* next_region;          gig::Region* next_region;
620          for (gig::Region* r = instrument->GetFirstRegion() ; r ; r = next_region) {          for (gig::Region* r = regions.first(); r ; r = next_region) {
621              next_region = instrument->GetNextRegion();              next_region = regions.next();
622    
623              int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5);              int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5);
624              if (x <= lo - 2) break;              if (x <= lo - 2) break;
# Line 589  bool RegionChooser::is_in_resize_zone(do Line 634  bool RegionChooser::is_in_resize_zone(do
634                      resize.mode = resize.undecided;                      resize.mode = resize.undecided;
635                      resize.min = prev_region->KeyRange.low + 1;                      resize.min = prev_region->KeyRange.low + 1;
636                      resize.prev_region = prev_region;                      resize.prev_region = prev_region;
637                      return true;                      return resize.min != resize.max;
638                  }                  }
639    
640                  // edit low limit                  // edit low limit
641                  resize.mode = resize.moving_low_limit;                  resize.mode = resize.moving_low_limit;
642                  resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0;                  resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0;
643                  return true;                  return resize.min != resize.max;
644              }              }
645              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {
646                  int hi = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5);                  int hi = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5);
# Line 607  bool RegionChooser::is_in_resize_zone(do Line 652  bool RegionChooser::is_in_resize_zone(do
652                      resize.mode = resize.moving_high_limit;                      resize.mode = resize.moving_high_limit;
653                      resize.min = r->KeyRange.low + 1;                      resize.min = r->KeyRange.low + 1;
654                      resize.max = next_region ? next_region->KeyRange.low : 128;                      resize.max = next_region ? next_region->KeyRange.low : 128;
655                      return true;                      return resize.min != resize.max;
656                  }                  }
657              }              }
658              prev_region = r;              prev_region = r;
# Line 616  bool RegionChooser::is_in_resize_zone(do Line 661  bool RegionChooser::is_in_resize_zone(do
661      return false;      return false;
662  }  }
663    
664  sigc::signal<void> RegionChooser::signal_region_selected()  sigc::signal<void>& RegionChooser::signal_region_selected()
665  {  {
666      return region_selected;      return region_selected;
667  }  }
668    
669  sigc::signal<void> RegionChooser::signal_instrument_changed()  sigc::signal<void>& RegionChooser::signal_instrument_changed()
670  {  {
671      return instrument_changed;      return instrument_changed;
672  }  }
# Line 659  void RegionChooser::add_region() Line 704  void RegionChooser::add_region()
704      region->SetKeyRange(new_region_pos, new_region_pos);      region->SetKeyRange(new_region_pos, new_region_pos);
705    
706      instrument_struct_changed_signal.emit(instrument);      instrument_struct_changed_signal.emit(instrument);
707        regions.update(instrument);
708    
709      queue_draw();      queue_draw();
710      region_selected();      region_selected();
# Line 670  void RegionChooser::delete_region() Line 716  void RegionChooser::delete_region()
716      instrument_struct_to_be_changed_signal.emit(instrument);      instrument_struct_to_be_changed_signal.emit(instrument);
717      instrument->DeleteRegion(region);      instrument->DeleteRegion(region);
718      instrument_struct_changed_signal.emit(instrument);      instrument_struct_changed_signal.emit(instrument);
719        regions.update(instrument);
720    
721      region = 0;      region = 0;
722      queue_draw();      queue_draw();
# Line 689  void RegionChooser::on_dimension_manager Line 736  void RegionChooser::on_dimension_manager
736      instrument_changed();      instrument_changed();
737  }  }
738    
739  sigc::signal<void, gig::Instrument*> RegionChooser::signal_instrument_struct_to_be_changed() {  sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_to_be_changed() {
740      return instrument_struct_to_be_changed_signal;      return instrument_struct_to_be_changed_signal;
741  }  }
742    
743  sigc::signal<void, gig::Instrument*> RegionChooser::signal_instrument_struct_changed() {  sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_changed() {
744      return instrument_struct_changed_signal;      return instrument_struct_changed_signal;
745  }  }
746    
747  sigc::signal<void, gig::Region*> RegionChooser::signal_region_to_be_changed() {  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_to_be_changed() {
748      return region_to_be_changed_signal;      return region_to_be_changed_signal;
749  }  }
750    
751  sigc::signal<void, gig::Region*> RegionChooser::signal_region_changed_signal() {  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() {
752      return region_changed_signal;      return region_changed_signal;
753  }  }
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