/[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 1654 by schoenebeck, Wed Jan 30 02:20:48 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();
# Line 146  bool RegionChooser::on_expose_event(GdkE Line 189  bool RegionChooser::on_expose_event(GdkE
189          }          }
190          if (note == 3) {          if (note == 3) {
191              char buf[30];              char buf[30];
192              sprintf(buf, "<span size=\"x-small\">%d</span>", octave);              sprintf(buf, "<span size=\"8000\">%d</span>", octave);
193              layout->set_markup(buf);              layout->set_markup(buf);
194              Pango::Rectangle rectangle = layout->get_logical_extents();              Pango::Rectangle rectangle = layout->get_logical_extents();
195              double text_w = double(rectangle.get_width()) / Pango::SCALE;              double text_w = double(rectangle.get_width()) / Pango::SCALE;
# Line 162  bool RegionChooser::on_expose_event(GdkE Line 205  bool RegionChooser::on_expose_event(GdkE
205          int i = 0;          int i = 0;
206          gig::Region *next_region;          gig::Region *next_region;
207          int x3 = -1;          int x3 = -1;
208          for (gig::Region *r = instrument->GetFirstRegion() ;          for (gig::Region *r = regions.first() ; r ; r = next_region) {
              r ;  
              r = next_region) {  
209    
210              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);
211              next_region = instrument->GetNextRegion();              next_region = regions.next();
212              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {
213                  int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5);                  int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5);
214                  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 220  bool RegionChooser::on_expose_event(GdkE
220              i++;              i++;
221          }          }
222    
223          for (gig::Region *r = instrument->GetFirstRegion() ;          for (gig::Region *r = regions.first() ; r ; r = regions.next()) {
              r ;  
              r = instrument->GetNextRegion()) {  
224              int x = int(w * (r->KeyRange.low) / 128.0 + 0.5);              int x = int(w * (r->KeyRange.low) / 128.0 + 0.5);
225              window->draw_line(black, x, 1, x, h1 - 2);              window->draw_line(black, x, 1, x, h1 - 2);
226          }          }
# Line 204  void RegionChooser::on_size_request(GtkR Line 243  void RegionChooser::on_size_request(GtkR
243      requisition->width = 500;      requisition->width = 500;
244  }  }
245    
246    bool RegionChooser::is_black_key(int key) {
247        const int note = (key + 3) % 12;
248        return note == 1 || note == 4 || note == 6 || note == 9 || note == 11;
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();
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 224  void RegionChooser::draw_region(int from Line 266  void RegionChooser::draw_region(int from
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 - 1, 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, 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              break;              break;
280          default:          default:
281              window->draw_rectangle(gc, true, x, h1 + 1, w1, bh - 1);              window->draw_rectangle(gc, true, x, h1 + 1, w1 - 1, bh - 1);
282              break;              break;
283          }          }
284      }      }
# Line 245  void RegionChooser::draw_region(int from Line 287  void RegionChooser::draw_region(int from
287  void RegionChooser::set_instrument(gig::Instrument* instrument)  void RegionChooser::set_instrument(gig::Instrument* instrument)
288  {  {
289      this->instrument = instrument;      this->instrument = instrument;
290      region = instrument ? instrument->GetFirstRegion() : 0;      regions.update(instrument);
291        region = regions.first();
292      queue_draw();      queue_draw();
293      region_selected();      region_selected();
294  }  }
# Line 263  bool RegionChooser::on_button_release_ev Line 306  bool RegionChooser::on_button_release_ev
306                      resize.region->KeyRange.low, // low                      resize.region->KeyRange.low, // low
307                      resize.pos - 1 // high                      resize.pos - 1 // high
308                  );                  );
309                    regions.update(instrument);
310                  instrument_changed.emit();                  instrument_changed.emit();
311                  instrument_struct_changed_signal.emit(instrument);                  instrument_struct_changed_signal.emit(instrument);
312              }              }
# Line 273  bool RegionChooser::on_button_release_ev Line 317  bool RegionChooser::on_button_release_ev
317                      resize.pos, // low                      resize.pos, // low
318                      resize.region->KeyRange.high // high                      resize.region->KeyRange.high // high
319                  );                  );
320                    regions.update(instrument);
321                  instrument_changed.emit();                  instrument_changed.emit();
322                  instrument_struct_changed_signal.emit(instrument);                  instrument_struct_changed_signal.emit(instrument);
323              }              }
# Line 292  bool RegionChooser::on_button_release_ev Line 337  bool RegionChooser::on_button_release_ev
337                  region->KeyRange.low  + move.pos,                  region->KeyRange.low  + move.pos,
338                  region->KeyRange.high + move.pos                  region->KeyRange.high + move.pos
339              );              );
340                regions.update(instrument);
341                instrument_changed.emit();
342              instrument_struct_changed_signal.emit(instrument);              instrument_struct_changed_signal.emit(instrument);
343          }          }
344    
# Line 307  bool RegionChooser::on_button_press_even Line 354  bool RegionChooser::on_button_press_even
354  {  {
355      if (!instrument) return true;      if (!instrument) return true;
356    
357      int k = int(event->x / (width - 1) * 128.0);      int k = int(event->x / (get_width() - 1) * 128.0);
358    
359      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
360          gig::Region* r = get_region(k);          gig::Region* r = get_region(k);
# Line 353  gig::Region* RegionChooser::get_region(i Line 400  gig::Region* RegionChooser::get_region(i
400  {  {
401      gig::Region* prev_region = 0;      gig::Region* prev_region = 0;
402      gig::Region* next_region;      gig::Region* next_region;
403      for (gig::Region *r = instrument->GetFirstRegion() ; r ;      for (gig::Region *r = regions.first() ; r ; r = next_region) {
404           r = next_region) {          next_region = regions.next();
         next_region = instrument->GetNextRegion();  
405    
406          if (key < r->KeyRange.low) return 0;          if (key < r->KeyRange.low) return 0;
407          if (key <= r->KeyRange.high) {          if (key <= r->KeyRange.high) {
# Line 370  gig::Region* RegionChooser::get_region(i Line 416  gig::Region* RegionChooser::get_region(i
416    
417  void RegionChooser::motion_resize_region(int x, int y)  void RegionChooser::motion_resize_region(int x, int y)
418  {  {
419      const int w = width - 1;      const int w = get_width() - 1;
420      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
421    
422      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 473  void RegionChooser::motion_resize_region
473    
474  void RegionChooser::motion_move_region(int x, int y)  void RegionChooser::motion_move_region(int x, int y)
475  {  {
476      const int w = width - 1;      const int w = get_width() - 1;
477      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
478    
479      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 483  void RegionChooser::motion_move_region(i
483      bool new_touch_right;      bool new_touch_right;
484      int a = 0;      int a = 0;
485      if (k > move.pos) {      if (k > move.pos) {
486          for (gig::Region* r = instrument->GetFirstRegion() ; ;          for (gig::Region* r = regions.first() ; ; r = regions.next()) {
              r = instrument->GetNextRegion()) {  
487              if (r != region) {              if (r != region) {
488                  int b = r ? r->KeyRange.low : 128;                  int b = r ? r->KeyRange.low : 128;
489    
# Line 468  void RegionChooser::motion_move_region(i Line 513  void RegionChooser::motion_move_region(i
513              }              }
514          }          }
515      } else {      } else {
516          for (gig::Region* r = instrument->GetFirstRegion() ; ;          for (gig::Region* r = regions.first() ; ; r = regions.next()) {
              r = instrument->GetNextRegion()) {  
517              if (r != region) {              if (r != region) {
518                  int b = r ? r->KeyRange.low : 128;                  int b = r ? r->KeyRange.low : 128;
519    
# Line 567  bool RegionChooser::on_motion_notify_eve Line 611  bool RegionChooser::on_motion_notify_eve
611  }  }
612    
613  bool RegionChooser::is_in_resize_zone(double x, double y) {  bool RegionChooser::is_in_resize_zone(double x, double y) {
614      const int w = width - 1;      const int w = get_width() - 1;
615    
616      if (instrument && y >= 0 && y <= h1) {      if (instrument && y >= 0 && y <= h1) {
617          gig::Region* prev_region = 0;          gig::Region* prev_region = 0;
618          gig::Region* next_region;          gig::Region* next_region;
619          for (gig::Region* r = instrument->GetFirstRegion() ; r ; r = next_region) {          for (gig::Region* r = regions.first(); r ; r = next_region) {
620              next_region = instrument->GetNextRegion();              next_region = regions.next();
621    
622              int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5);              int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5);
623              if (x <= lo - 2) break;              if (x <= lo - 2) break;
# Line 589  bool RegionChooser::is_in_resize_zone(do Line 633  bool RegionChooser::is_in_resize_zone(do
633                      resize.mode = resize.undecided;                      resize.mode = resize.undecided;
634                      resize.min = prev_region->KeyRange.low + 1;                      resize.min = prev_region->KeyRange.low + 1;
635                      resize.prev_region = prev_region;                      resize.prev_region = prev_region;
636                      return true;                      return resize.min != resize.max;
637                  }                  }
638    
639                  // edit low limit                  // edit low limit
640                  resize.mode = resize.moving_low_limit;                  resize.mode = resize.moving_low_limit;
641                  resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0;                  resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0;
642                  return true;                  return resize.min != resize.max;
643              }              }
644              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {              if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) {
645                  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 651  bool RegionChooser::is_in_resize_zone(do
651                      resize.mode = resize.moving_high_limit;                      resize.mode = resize.moving_high_limit;
652                      resize.min = r->KeyRange.low + 1;                      resize.min = r->KeyRange.low + 1;
653                      resize.max = next_region ? next_region->KeyRange.low : 128;                      resize.max = next_region ? next_region->KeyRange.low : 128;
654                      return true;                      return resize.min != resize.max;
655                  }                  }
656              }              }
657              prev_region = r;              prev_region = r;
# Line 616  bool RegionChooser::is_in_resize_zone(do Line 660  bool RegionChooser::is_in_resize_zone(do
660      return false;      return false;
661  }  }
662    
663  sigc::signal<void> RegionChooser::signal_region_selected()  sigc::signal<void>& RegionChooser::signal_region_selected()
664  {  {
665      return region_selected;      return region_selected;
666  }  }
667    
668  sigc::signal<void> RegionChooser::signal_instrument_changed()  sigc::signal<void>& RegionChooser::signal_instrument_changed()
669  {  {
670      return instrument_changed;      return instrument_changed;
671  }  }
# Line 659  void RegionChooser::add_region() Line 703  void RegionChooser::add_region()
703      region->SetKeyRange(new_region_pos, new_region_pos);      region->SetKeyRange(new_region_pos, new_region_pos);
704    
705      instrument_struct_changed_signal.emit(instrument);      instrument_struct_changed_signal.emit(instrument);
706        regions.update(instrument);
707    
708      queue_draw();      queue_draw();
709      region_selected();      region_selected();
# Line 670  void RegionChooser::delete_region() Line 715  void RegionChooser::delete_region()
715      instrument_struct_to_be_changed_signal.emit(instrument);      instrument_struct_to_be_changed_signal.emit(instrument);
716      instrument->DeleteRegion(region);      instrument->DeleteRegion(region);
717      instrument_struct_changed_signal.emit(instrument);      instrument_struct_changed_signal.emit(instrument);
718        regions.update(instrument);
719    
720      region = 0;      region = 0;
721      queue_draw();      queue_draw();
# Line 689  void RegionChooser::on_dimension_manager Line 735  void RegionChooser::on_dimension_manager
735      instrument_changed();      instrument_changed();
736  }  }
737    
738  sigc::signal<void, gig::Instrument*> RegionChooser::signal_instrument_struct_to_be_changed() {  sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_to_be_changed() {
739      return instrument_struct_to_be_changed_signal;      return instrument_struct_to_be_changed_signal;
740  }  }
741    
742  sigc::signal<void, gig::Instrument*> RegionChooser::signal_instrument_struct_changed() {  sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_changed() {
743      return instrument_struct_changed_signal;      return instrument_struct_changed_signal;
744  }  }
745    
746  sigc::signal<void, gig::Region*> RegionChooser::signal_region_to_be_changed() {  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_to_be_changed() {
747      return region_to_be_changed_signal;      return region_to_be_changed_signal;
748  }  }
749    
750  sigc::signal<void, gig::Region*> RegionChooser::signal_region_changed_signal() {  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() {
751      return region_changed_signal;      return region_changed_signal;
752  }  }
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