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

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revision 1658 by persson, Sat Feb 2 08:52:48 2008 UTC revision 1661 by schoenebeck, Sun Feb 3 14:10:47 2008 UTC
# Line 24  Line 24 
24  #include <gtkmm/spinbutton.h>  #include <gtkmm/spinbutton.h>
25  #include <gtkmm/dialog.h>  #include <gtkmm/dialog.h>
26  #include <math.h>  #include <math.h>
27    #include <sstream>
28    
29  #include "global.h"  #include "global.h"
30    
31    #define REGION_BLOCK_HEIGHT             20
32    #define KEYBOARD_HEIGHT                 40
33    
34  void SortedRegions::update(gig::Instrument* instrument) {  void SortedRegions::update(gig::Instrument* instrument) {
35      // Usually, the regions in a gig file are ordered after their key      // Usually, the regions in a gig file are ordered after their key
36      // range, but there are files where they are not. The      // range, but there are files where they are not. The
# Line 54  gig::Region* SortedRegions::next() { Line 58  gig::Region* SortedRegions::next() {
58    
59    
60    
61  RegionChooser::RegionChooser()  RegionChooser::RegionChooser() :
62        m_VirtKeybModeChoice(_("Virtual Keyboard Mode")),
63        currentActiveKey(-1)
64  {  {
65      Glib::RefPtr<Gdk::Colormap> colormap = get_default_colormap();      Glib::RefPtr<Gdk::Colormap> colormap = get_default_colormap();
66    
# Line 74  RegionChooser::RegionChooser() Line 80  RegionChooser::RegionChooser()
80      resize.active = false;      resize.active = false;
81      move.active = false;      move.active = false;
82      cursor_is_resize = false;      cursor_is_resize = false;
83      h1 = 20;      h1 = REGION_BLOCK_HEIGHT;
84    
85        // properties of the virtual keyboard
86        {
87            const char* choices[] = { "normal", "chord", NULL };
88            static const virt_keyboard_mode_t values[] = {
89                VIRT_KEYBOARD_MODE_NORMAL,
90                VIRT_KEYBOARD_MODE_CHORD
91            };
92            m_VirtKeybModeChoice.set_choices(choices, values);
93            m_VirtKeybModeChoice.set_value(VIRT_KEYBOARD_MODE_NORMAL);
94        }
95        m_VirtKeybVelocityLabelDescr.set_text(_("Note-On Velocity:"));
96        m_VirtKeybVelocityLabel.set_text("-");
97        m_VirtKeybOffVelocityLabelDescr.set_text(_("Note-Off Velocity:"));
98        m_VirtKeybOffVelocityLabel.set_text("-");
99        m_VirtKeybPropsBox.pack_start(m_VirtKeybModeChoice.label, Gtk::PACK_SHRINK);
100        m_VirtKeybPropsBox.pack_start(m_VirtKeybModeChoice.widget, Gtk::PACK_SHRINK);
101        m_VirtKeybPropsBox.pack_start(m_VirtKeybVelocityLabelDescr, Gtk::PACK_SHRINK);
102        m_VirtKeybPropsBox.pack_start(m_VirtKeybVelocityLabel, Gtk::PACK_SHRINK);
103        m_VirtKeybPropsBox.pack_start(m_VirtKeybOffVelocityLabelDescr, Gtk::PACK_SHRINK);
104        m_VirtKeybPropsBox.pack_start(m_VirtKeybOffVelocityLabel, Gtk::PACK_SHRINK);
105        m_VirtKeybPropsBox.set_spacing(10);
106        m_VirtKeybPropsBox.show();
107    
108      actionGroup = Gtk::ActionGroup::create();      actionGroup = Gtk::ActionGroup::create();
109      actionGroup->add(Gtk::Action::create("Properties",      actionGroup->add(Gtk::Action::create("Properties",
# Line 122  RegionChooser::RegionChooser() Line 151  RegionChooser::RegionChooser()
151              sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed)              sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed)
152          )          )
153      );      );
154        keyboard_key_hit_signal.connect(
155            sigc::mem_fun(*this, &RegionChooser::on_note_on_event)
156        );
157        keyboard_key_released_signal.connect(
158            sigc::mem_fun(*this, &RegionChooser::on_note_off_event)
159        );
160  }  }
161    
162  RegionChooser::~RegionChooser()  RegionChooser::~RegionChooser()
163  {  {
164  }  }
165    
166    template<class T> inline std::string ToString(T o) {
167        std::stringstream ss;
168        ss << o;
169        return ss.str();
170    }
171    
172  void RegionChooser::on_note_on_event(int key, int velocity) {  void RegionChooser::on_note_on_event(int key, int velocity) {
173      draw_region(key, key+1, activeKeyColor);      draw_region(key, key+1, activeKeyColor);
174        m_VirtKeybVelocityLabel.set_text(ToString(velocity));
175  }  }
176    
177  void RegionChooser::on_note_off_event(int key, int velocity) {  void RegionChooser::on_note_off_event(int key, int velocity) {
# Line 137  void RegionChooser::on_note_off_event(in Line 179  void RegionChooser::on_note_off_event(in
179          draw_region(key, key+1, black);          draw_region(key, key+1, black);
180      else      else
181          draw_region(key, key+1, white);          draw_region(key, key+1, white);
182        m_VirtKeybOffVelocityLabel.set_text(ToString(velocity));
183  }  }
184    
185  void RegionChooser::on_realize()  void RegionChooser::on_realize()
# Line 154  bool RegionChooser::on_expose_event(GdkE Line 197  bool RegionChooser::on_expose_event(GdkE
197  {  {
198      Glib::RefPtr<Gdk::Window> window = get_window();      Glib::RefPtr<Gdk::Window> window = get_window();
199      window->clear();      window->clear();
200      const int h = 40;      const int h = KEYBOARD_HEIGHT;
201      const int w = get_width() - 1;      const int w = get_width() - 1;
202      const int bh = int(h * 0.55);      const int bh = int(h * 0.55);
203    
# Line 224  bool RegionChooser::on_expose_event(GdkE Line 267  bool RegionChooser::on_expose_event(GdkE
267  void RegionChooser::on_size_request(GtkRequisition* requisition)  void RegionChooser::on_size_request(GtkRequisition* requisition)
268  {  {
269      *requisition = GtkRequisition();      *requisition = GtkRequisition();
270      requisition->height = 40 + 20;      requisition->height = KEYBOARD_HEIGHT + REGION_BLOCK_HEIGHT;
271      requisition->width = 500;      requisition->width = 500;
272  }  }
273    
# Line 234  bool RegionChooser::is_black_key(int key Line 277  bool RegionChooser::is_black_key(int key
277  }  }
278    
279  void RegionChooser::draw_digit(int key) {  void RegionChooser::draw_digit(int key) {
280      const int h = 40;      const int h = KEYBOARD_HEIGHT;
281      const int w = get_width() - 1;      const int w = get_width() - 1;
282      Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context());      Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context());
283      char buf[30];      char buf[30];
# Line 250  void RegionChooser::draw_digit(int key) Line 293  void RegionChooser::draw_digit(int key)
293    
294  void RegionChooser::draw_region(int from, int to, const Gdk::Color& color)  void RegionChooser::draw_region(int from, int to, const Gdk::Color& color)
295  {  {
296      const int h = 40;      const int h = KEYBOARD_HEIGHT;
297      const int w = get_width() - 1;      const int w = get_width() - 1;
298      const int bh = int(h * 0.55);      const int bh = int(h * 0.55);
299    
# Line 296  void RegionChooser::set_instrument(gig:: Line 339  void RegionChooser::set_instrument(gig::
339    
340  bool RegionChooser::on_button_release_event(GdkEventButton* event)  bool RegionChooser::on_button_release_event(GdkEventButton* event)
341  {  {
342        const int k = int(event->x / (get_width() - 1) * 128.0);
343    
344        // handle-note off on virtual keyboard
345        if (event->type == GDK_BUTTON_RELEASE) {
346            int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 :
347                           int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1;
348            if (velocity <= 0) velocity = 1;
349            switch (m_VirtKeybModeChoice.get_value()) {
350                case VIRT_KEYBOARD_MODE_CHORD:
351                    if (event->y >= REGION_BLOCK_HEIGHT)
352                        keyboard_key_released_signal.emit(k, velocity);
353                    break;
354                case VIRT_KEYBOARD_MODE_NORMAL:
355                default:
356                    if (currentActiveKey >= 0 && currentActiveKey <= 127) {
357                        keyboard_key_released_signal.emit(currentActiveKey, velocity);
358                        currentActiveKey = -1;
359                    }
360                    break;
361            }
362        }
363    
364      if (resize.active) {      if (resize.active) {
365          get_window()->pointer_ungrab(event->time);          get_window()->pointer_ungrab(event->time);
366          resize.active = false;          resize.active = false;
# Line 355  bool RegionChooser::on_button_press_even Line 420  bool RegionChooser::on_button_press_even
420  {  {
421      if (!instrument) return true;      if (!instrument) return true;
422    
423      int k = int(event->x / (get_width() - 1) * 128.0);      const int k = int(event->x / (get_width() - 1) * 128.0);
424    
425        if (event->type == GDK_BUTTON_PRESS) {
426            if (event->y >= REGION_BLOCK_HEIGHT) {
427                int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 :
428                               int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1;
429                currentActiveKey = k;
430                keyboard_key_hit_signal.emit(k, velocity);
431            }
432        }
433    
434        if (event->y >= REGION_BLOCK_HEIGHT) return true;
435      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {      if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
436          gig::Region* r = get_region(k);          gig::Region* r = get_region(k);
437          if (r) {          if (r) {
# Line 592  bool RegionChooser::on_motion_notify_eve Line 667  bool RegionChooser::on_motion_notify_eve
667      Gdk::ModifierType state = Gdk::ModifierType(0);      Gdk::ModifierType state = Gdk::ModifierType(0);
668      window->get_pointer(x, y, state);      window->get_pointer(x, y, state);
669    
670        // handle virtual MIDI keyboard
671        if (m_VirtKeybModeChoice.get_value() != VIRT_KEYBOARD_MODE_CHORD &&
672            currentActiveKey > 0 &&
673            event->y >= REGION_BLOCK_HEIGHT &&
674            event->y < REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT)
675        {
676            const int k = int(event->x / (get_width() - 1) * 128.0);
677            int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 :
678                           int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1;
679            if (velocity <= 0) velocity = 1;
680            keyboard_key_released_signal.emit(currentActiveKey, velocity);
681            currentActiveKey = k;
682            keyboard_key_hit_signal.emit(k, velocity);
683        }
684    
685      if (resize.active) {      if (resize.active) {
686          motion_resize_region(x, y);          motion_resize_region(x, y);
687      } else if (move.active) {      } else if (move.active) {
# Line 751  sigc::signal<void, gig::Region*>& Region Line 841  sigc::signal<void, gig::Region*>& Region
841  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() {  sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() {
842      return region_changed_signal;      return region_changed_signal;
843  }  }
844    
845    sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_hit() {
846        return keyboard_key_hit_signal;
847    }
848    
849    sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_released() {
850        return keyboard_key_released_signal;
851    }
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