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/* |
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* Copyright (C) 2006-2008 Andreas Persson |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2, or (at |
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* your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with program; see the file COPYING. If not, write to the Free |
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
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* 02110-1301 USA. |
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*/ |
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|
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#include "regionchooser.h" |
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#include <algorithm> |
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#include <gdkmm/cursor.h> |
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#include <gtkmm/stock.h> |
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#include <gtkmm/spinbutton.h> |
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#include <gtkmm/dialog.h> |
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#include <math.h> |
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|
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#include "global.h" |
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|
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void SortedRegions::update(gig::Instrument* instrument) { |
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// Usually, the regions in a gig file are ordered after their key |
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// range, but there are files where they are not. The |
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// RegionChooser code needs a sorted list of regions. |
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regions.clear(); |
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if (instrument) { |
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for (gig::Region *r = instrument->GetFirstRegion() ; |
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r ; |
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r = instrument->GetNextRegion()) { |
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regions.push_back(r); |
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} |
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sort(regions.begin(), regions.end(), *this); |
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} |
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} |
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|
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gig::Region* SortedRegions::first() { |
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region_iterator = regions.begin(); |
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return region_iterator == regions.end() ? 0 : *region_iterator; |
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} |
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|
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gig::Region* SortedRegions::next() { |
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region_iterator++; |
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return region_iterator == regions.end() ? 0 : *region_iterator; |
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} |
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|
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|
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|
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RegionChooser::RegionChooser() |
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{ |
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Glib::RefPtr<Gdk::Colormap> colormap = get_default_colormap(); |
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|
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red = Gdk::Color("#8070ff"); |
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grey1 = Gdk::Color("#b0b0b0"); |
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activeKeyColor = Gdk::Color("#ff0000"); |
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white = Gdk::Color("#ffffff"); |
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black = Gdk::Color("#000000"); |
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|
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colormap->alloc_color(red); |
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colormap->alloc_color(grey1); |
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colormap->alloc_color(activeKeyColor); |
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colormap->alloc_color(white); |
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colormap->alloc_color(black); |
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instrument = 0; |
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region = 0; |
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resize.active = false; |
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move.active = false; |
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cursor_is_resize = false; |
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h1 = 20; |
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|
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actionGroup = Gtk::ActionGroup::create(); |
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actionGroup->add(Gtk::Action::create("Properties", |
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Gtk::Stock::PROPERTIES), |
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sigc::mem_fun(*this, |
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&RegionChooser::show_region_properties)); |
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actionGroup->add(Gtk::Action::create("Remove", Gtk::Stock::REMOVE), |
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sigc::mem_fun(*this, &RegionChooser::delete_region)); |
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actionGroup->add(Gtk::Action::create("Add", Gtk::Stock::ADD), |
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sigc::mem_fun(*this, &RegionChooser::add_region)); |
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actionGroup->add(Gtk::Action::create("Dimensions", _("Dimensions...")), |
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sigc::mem_fun(*this, &RegionChooser::manage_dimensions)); |
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|
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uiManager = Gtk::UIManager::create(); |
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uiManager->insert_action_group(actionGroup); |
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Glib::ustring ui_info = |
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"<ui>" |
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" <popup name='PopupMenuInsideRegion'>" |
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" <menuitem action='Properties'/>" |
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" <menuitem action='Dimensions'/>" |
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" <menuitem action='Remove'/>" |
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" </popup>" |
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" <popup name='PopupMenuOutsideRegion'>" |
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" <menuitem action='Add'/>" |
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" </popup>" |
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"</ui>"; |
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uiManager->add_ui_from_string(ui_info); |
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|
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popup_menu_inside_region = dynamic_cast<Gtk::Menu*>( |
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uiManager->get_widget("/PopupMenuInsideRegion")); |
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popup_menu_outside_region = dynamic_cast<Gtk::Menu*>( |
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uiManager->get_widget("/PopupMenuOutsideRegion")); |
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|
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add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | |
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Gdk::POINTER_MOTION_MASK | Gdk::POINTER_MOTION_HINT_MASK); |
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|
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dimensionManager.region_to_be_changed_signal.connect( |
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region_to_be_changed_signal.make_slot() |
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); |
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dimensionManager.region_changed_signal.connect( |
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region_changed_signal.make_slot() |
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); |
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dimensionManager.region_changed_signal.connect( |
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sigc::hide( |
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sigc::mem_fun(*this, &RegionChooser::on_dimension_manager_changed) |
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) |
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); |
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} |
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|
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RegionChooser::~RegionChooser() |
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{ |
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} |
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|
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void RegionChooser::on_note_on_event(int key, int velocity) { |
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draw_region(key, key+1, activeKeyColor); |
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} |
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|
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void RegionChooser::on_note_off_event(int key, int velocity) { |
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if (is_black_key(key)) |
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draw_region(key, key+1, black); |
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else |
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draw_region(key, key+1, white); |
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} |
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|
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void RegionChooser::on_realize() |
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{ |
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// We need to call the base on_realize() |
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Gtk::DrawingArea::on_realize(); |
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|
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// Now we can allocate any additional resources we need |
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Glib::RefPtr<Gdk::Window> window = get_window(); |
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gc = Gdk::GC::create(window); |
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window->clear(); |
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} |
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|
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bool RegionChooser::on_expose_event(GdkEventExpose* event) |
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{ |
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Glib::RefPtr<Gdk::Window> window = get_window(); |
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window->clear(); |
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const int h = 40; |
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const int w = get_width() - 1; |
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const int bh = int(h * 0.55); |
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|
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Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
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Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
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|
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Glib::RefPtr<Pango::Context> context = get_pango_context(); |
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Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context); |
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|
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window->draw_rectangle(black, false, 0, h1, w, h - 1); |
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gc->set_foreground(grey1); |
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int x1 = int(w * 20.5 / 128.0 + 0.5); |
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int x2 = int(w * 109.5 / 128.0 + 0.5); |
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window->draw_rectangle(gc, true, 1, h1 + 1, |
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x1 - 1, h - 2); |
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window->draw_rectangle(white, true, x1 + 1, h1 + 1, x2 - x1 - 1, h - 2); |
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window->draw_rectangle(gc, true, x2 + 1, h1 + 1, |
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w - x2 - 1, h - 2); |
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int octave = -1; |
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for (int i = 0 ; i < 128 ; i++) { |
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int note = (i + 3) % 12; |
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int x = int(w * i / 128.0 + 0.5); |
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|
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if (note == 1 || note == 4 || note == 6 || note == 9 || note == 11) { |
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int x2 = int(w * (i + 0.5) / 128.0 + 0.5); |
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window->draw_line(black, x2, h1 + bh, x2, h1 + h); |
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|
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int x3 = int(w * (i + 1) / 128.0 + 0.5); |
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window->draw_rectangle(black, true, x, h1 + 1, x3 - x + 1, bh); |
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} else if (note == 3 || note == 8) { |
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window->draw_line(black, x, h1 + 1, x, h1 + h); |
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} |
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if (note == 3) { |
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char buf[30]; |
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sprintf(buf, "<span size=\"8000\">%d</span>", octave); |
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layout->set_markup(buf); |
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Pango::Rectangle rectangle = layout->get_logical_extents(); |
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double text_w = double(rectangle.get_width()) / Pango::SCALE; |
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double text_h = double(rectangle.get_height()) / Pango::SCALE; |
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double x2 = w * (i + 0.75) / 128.0; |
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window->draw_layout(black, int(x2 - text_w / 2 + 1), |
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int(h1 + h - text_h + 0.5), layout); |
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octave++; |
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} |
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} |
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|
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if (instrument) { |
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int i = 0; |
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gig::Region *next_region; |
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int x3 = -1; |
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for (gig::Region *r = regions.first() ; r ; r = next_region) { |
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|
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if (x3 < 0) x3 = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
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next_region = regions.next(); |
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if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
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int x2 = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
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window->draw_line(black, x3, 0, x2, 0); |
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window->draw_line(black, x3, h1 - 1, x2, h1 - 1); |
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window->draw_line(black, x2, 1, x2, h1 - 2); |
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window->draw_rectangle(white, true, x3 + 1, 1, x2 - x3 - 1, h1 - 2); |
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x3 = -1; |
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} |
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i++; |
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} |
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|
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for (gig::Region *r = regions.first() ; r ; r = regions.next()) { |
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int x = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
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window->draw_line(black, x, 1, x, h1 - 2); |
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} |
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|
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if (region) { |
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int x1 = int(w * (region->KeyRange.low) / 128.0 + 0.5); |
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int x2 = int(w * (region->KeyRange.high + 1) / 128.0 + 0.5); |
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gc->set_foreground(red); |
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window->draw_rectangle(gc, true, x1 + 1, 1, x2 - x1 - 1, h1 - 2); |
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} |
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} |
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return true; |
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} |
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|
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|
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void RegionChooser::on_size_request(GtkRequisition* requisition) |
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{ |
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*requisition = GtkRequisition(); |
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requisition->height = 40 + 20; |
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requisition->width = 500; |
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} |
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|
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bool RegionChooser::is_black_key(int key) { |
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const int note = (key + 3) % 12; |
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return note == 1 || note == 4 || note == 6 || note == 9 || note == 11; |
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} |
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|
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void RegionChooser::draw_region(int from, int to, const Gdk::Color& color) |
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{ |
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const int h = 40; |
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const int w = get_width(); |
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const int bh = int(h * 0.55); |
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|
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Glib::RefPtr<Gdk::Window> window = get_window(); |
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gc->set_foreground(color); |
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|
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for (int i = from ; i < to ; i++) { |
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int note = (i + 3) % 12; |
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int x = int(w * i / 128.0 + 0.5) + 1; |
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int x2 = int(w * (i + 1.5) / 128.0 + 0.5); |
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int x3 = int(w * (i + 1) / 128.0 + 0.5); |
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int x4 = int(w * (i - 0.5) / 128 + 0.5) + 1; |
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int w1 = x3 - x; |
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switch (note) { |
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case 0: case 5: case 10: |
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window->draw_rectangle(gc, true, x - 1, h1 + 1, w1, bh); |
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window->draw_rectangle(gc, true, x4, h1 + bh + 1, x2 - x4 - 1, h - bh - 2); |
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break; |
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case 2: case 7: |
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window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
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window->draw_rectangle(gc, true, x4 - 1, h1 + bh + 1, x3 - x4 + 1, h - bh - 2); |
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break; |
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case 3: case 8: |
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window->draw_rectangle(gc, true, x, h1 + 1, w1, bh); |
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window->draw_rectangle(gc, true, x, h1 + bh + 1, x2 - x, h - bh - 2); |
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break; |
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default: |
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window->draw_rectangle(gc, true, x, h1 + 1, w1 - 1, bh - 1); |
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break; |
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} |
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} |
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} |
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|
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void RegionChooser::set_instrument(gig::Instrument* instrument) |
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{ |
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this->instrument = instrument; |
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regions.update(instrument); |
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region = regions.first(); |
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queue_draw(); |
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region_selected(); |
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} |
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|
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bool RegionChooser::on_button_release_event(GdkEventButton* event) |
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{ |
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if (resize.active) { |
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get_window()->pointer_ungrab(event->time); |
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resize.active = false; |
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|
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if (resize.mode == resize.moving_high_limit) { |
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if (resize.region->KeyRange.high != resize.pos - 1) { |
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instrument_struct_to_be_changed_signal.emit(instrument); |
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resize.region->SetKeyRange( |
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resize.region->KeyRange.low, // low |
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resize.pos - 1 // high |
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); |
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regions.update(instrument); |
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instrument_changed.emit(); |
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instrument_struct_changed_signal.emit(instrument); |
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} |
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} else if (resize.mode == resize.moving_low_limit) { |
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if (resize.region->KeyRange.low != resize.pos) { |
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instrument_struct_to_be_changed_signal.emit(instrument); |
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resize.region->SetKeyRange( |
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resize.pos, // low |
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resize.region->KeyRange.high // high |
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); |
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regions.update(instrument); |
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instrument_changed.emit(); |
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instrument_struct_changed_signal.emit(instrument); |
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} |
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} |
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|
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if (!is_in_resize_zone(event->x, event->y) && cursor_is_resize) { |
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get_window()->set_cursor(); |
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cursor_is_resize = false; |
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} |
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} else if (move.active) { |
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get_window()->pointer_ungrab(event->time); |
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move.active = false; |
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|
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if (move.pos) { |
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instrument_struct_to_be_changed_signal.emit(instrument); |
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region->SetKeyRange( |
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region->KeyRange.low + move.pos, |
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region->KeyRange.high + move.pos |
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); |
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regions.update(instrument); |
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instrument_changed.emit(); |
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instrument_struct_changed_signal.emit(instrument); |
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} |
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|
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if (is_in_resize_zone(event->x, event->y)) { |
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get_window()->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
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cursor_is_resize = true; |
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} |
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} |
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return true; |
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} |
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|
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bool RegionChooser::on_button_press_event(GdkEventButton* event) |
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{ |
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if (!instrument) return true; |
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|
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int k = int(event->x / (get_width() - 1) * 128.0); |
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|
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if (event->type == GDK_BUTTON_PRESS && event->button == 3) { |
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gig::Region* r = get_region(k); |
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if (r) { |
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region = r; |
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queue_draw(); |
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region_selected(); |
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popup_menu_inside_region->popup(event->button, event->time); |
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} else { |
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new_region_pos = k; |
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popup_menu_outside_region->popup(event->button, event->time); |
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} |
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} else { |
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if (is_in_resize_zone(event->x, event->y)) { |
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get_window()->pointer_grab(false, |
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Gdk::BUTTON_RELEASE_MASK | |
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Gdk::POINTER_MOTION_MASK | |
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Gdk::POINTER_MOTION_HINT_MASK, |
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Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW), event->time); |
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resize.active = true; |
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} else { |
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gig::Region* r = get_region(k); |
380 |
if (r) { |
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region = r; |
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queue_draw(); |
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region_selected(); |
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|
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get_window()->pointer_grab(false, |
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Gdk::BUTTON_RELEASE_MASK | |
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Gdk::POINTER_MOTION_MASK | |
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Gdk::POINTER_MOTION_HINT_MASK, |
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Gdk::Cursor(Gdk::FLEUR), event->time); |
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move.active = true; |
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move.from_x = event->x; |
392 |
move.pos = 0; |
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} |
394 |
} |
395 |
} |
396 |
return true; |
397 |
} |
398 |
|
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gig::Region* RegionChooser::get_region(int key) |
400 |
{ |
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gig::Region* prev_region = 0; |
402 |
gig::Region* next_region; |
403 |
for (gig::Region *r = regions.first() ; r ; r = next_region) { |
404 |
next_region = regions.next(); |
405 |
|
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if (key < r->KeyRange.low) return 0; |
407 |
if (key <= r->KeyRange.high) { |
408 |
move.touch_left = prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low; |
409 |
move.touch_right = next_region && r->KeyRange.high + 1 == next_region->KeyRange.low; |
410 |
return r; |
411 |
} |
412 |
prev_region = r; |
413 |
} |
414 |
return 0; |
415 |
} |
416 |
|
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void RegionChooser::motion_resize_region(int x, int y) |
418 |
{ |
419 |
const int w = get_width() - 1; |
420 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
421 |
|
422 |
int k = int(double(x) / w * 128.0 + 0.5); |
423 |
|
424 |
if (k < resize.min) k = resize.min; |
425 |
else if (k > resize.max) k = resize.max; |
426 |
|
427 |
if (k != resize.pos) { |
428 |
if (resize.mode == resize.undecided) { |
429 |
if (k < resize.pos) { |
430 |
// edit high limit of prev_region |
431 |
resize.max = resize.region->KeyRange.low; |
432 |
resize.region = resize.prev_region; |
433 |
resize.mode = resize.moving_high_limit; |
434 |
} else { |
435 |
// edit low limit of region |
436 |
resize.min = resize.prev_region->KeyRange.high + 1; |
437 |
resize.mode = resize.moving_low_limit; |
438 |
} |
439 |
} |
440 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
441 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
442 |
if (region == resize.region) { |
443 |
gc->set_foreground(red); |
444 |
white = gc; |
445 |
} |
446 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
447 |
int prevx = int(w * resize.pos / 128.0 + 0.5); |
448 |
x = int(w * k / 128.0 + 0.5); |
449 |
|
450 |
if (resize.mode == resize.moving_high_limit) { |
451 |
if (k > resize.pos) { |
452 |
window->draw_rectangle(white, true, prevx, 1, x - prevx, h1 - 2); |
453 |
window->draw_line(black, prevx, 0, x, 0); |
454 |
window->draw_line(black, prevx, h1 - 1, x, h1 - 1); |
455 |
} else { |
456 |
int xx = ((resize.pos == resize.max && resize.max != 128) ? 1 : 0); |
457 |
window->draw_rectangle(bg, true, x + 1, 0, prevx - x - xx, h1); |
458 |
} |
459 |
} else { |
460 |
if (k < resize.pos) { |
461 |
window->draw_rectangle(white, true, x + 1, 1, prevx - x, h1 - 2); |
462 |
window->draw_line(black, x, 0, prevx, 0); |
463 |
window->draw_line(black, x, h1 - 1, prevx, h1 - 1); |
464 |
} else { |
465 |
int xx = ((resize.pos == resize.min && resize.min != 0) ? 1 : 0); |
466 |
window->draw_rectangle(bg, true, prevx + xx, 0, x - prevx - xx, h1); |
467 |
} |
468 |
} |
469 |
window->draw_line(black, x, 1, x, h1 - 2); |
470 |
resize.pos = k; |
471 |
} |
472 |
} |
473 |
|
474 |
void RegionChooser::motion_move_region(int x, int y) |
475 |
{ |
476 |
const int w = get_width() - 1; |
477 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
478 |
|
479 |
int k = int(double(x - move.from_x) / w * 128.0 + 0.5); |
480 |
if (k == move.pos) return; |
481 |
int new_k; |
482 |
bool new_touch_left; |
483 |
bool new_touch_right; |
484 |
int a = 0; |
485 |
if (k > move.pos) { |
486 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
487 |
if (r != region) { |
488 |
int b = r ? r->KeyRange.low : 128; |
489 |
|
490 |
// gap: from a to b (not inclusive b) |
491 |
|
492 |
if (region->KeyRange.high + move.pos >= b) { |
493 |
// not found the current gap yet, just continue |
494 |
} else { |
495 |
|
496 |
if (a > region->KeyRange.low + k) { |
497 |
// this gap is too far to the right, break |
498 |
break; |
499 |
} |
500 |
|
501 |
int newhigh = std::min(region->KeyRange.high + k, b - 1); |
502 |
int newlo = newhigh - (region->KeyRange.high - region->KeyRange.low); |
503 |
|
504 |
if (newlo >= a) { |
505 |
// yes it fits - it's a candidate |
506 |
new_k = newlo - region->KeyRange.low; |
507 |
new_touch_left = a > 0 && a == newlo; |
508 |
new_touch_right = b < 128 && newhigh + 1 == b; |
509 |
} |
510 |
} |
511 |
if (!r) break; |
512 |
a = r->KeyRange.high + 1; |
513 |
} |
514 |
} |
515 |
} else { |
516 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
517 |
if (r != region) { |
518 |
int b = r ? r->KeyRange.low : 128; |
519 |
|
520 |
// gap from a to b (not inclusive b) |
521 |
|
522 |
if (region->KeyRange.high + k >= b) { |
523 |
// not found the current gap yet, just continue |
524 |
} else { |
525 |
|
526 |
if (a > region->KeyRange.low + move.pos) { |
527 |
// this gap is too far to the right, break |
528 |
break; |
529 |
} |
530 |
|
531 |
int newlo = std::max(region->KeyRange.low + k, a); |
532 |
int newhigh = newlo + (region->KeyRange.high - region->KeyRange.low); |
533 |
|
534 |
if (newhigh < b) { |
535 |
// yes it fits - break as the first one is the best |
536 |
new_k = newlo - region->KeyRange.low; |
537 |
new_touch_left = a > 0 && a == newlo; |
538 |
new_touch_right = b < 128 && newhigh + 1 == b; |
539 |
break; |
540 |
} |
541 |
} |
542 |
if (!r) break; |
543 |
a = r->KeyRange.high + 1; |
544 |
} |
545 |
} |
546 |
} |
547 |
k = new_k; |
548 |
if (k == move.pos) return; |
549 |
|
550 |
Glib::RefPtr<const Gdk::GC> bg = get_style()->get_bg_gc(Gtk::STATE_NORMAL); |
551 |
int prevx = int(w * (move.pos + region->KeyRange.low) / 128.0 + 0.5); |
552 |
x = int(w * (k + region->KeyRange.low) / 128.0 + 0.5); |
553 |
int prevx2 = int(w * (move.pos + region->KeyRange.high + 1) / 128.0 + 0.5); |
554 |
int x2 = int(w * (k + region->KeyRange.high + 1) / 128.0 + 0.5); |
555 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
556 |
gc->set_foreground(red); |
557 |
|
558 |
if (!new_touch_left) window->draw_line(black, x, 1, x, h1 - 2); |
559 |
if (!new_touch_right) window->draw_line(black, x2, 1, x2, h1 - 2); |
560 |
|
561 |
if (k > move.pos) { |
562 |
window->draw_rectangle(bg, true, prevx + (move.touch_left ? 1 : 0), 0, |
563 |
std::min(x, prevx2 + 1 - (move.touch_right ? 1 : 0)) - |
564 |
(prevx + (move.touch_left ? 1 : 0)), h1); |
565 |
|
566 |
window->draw_line(black, std::max(x, prevx2 + 1), 0, x2, 0); |
567 |
window->draw_line(black, std::max(x, prevx2 + 1), h1 - 1, x2, h1 - 1); |
568 |
window->draw_rectangle(gc, true, std::max(x + 1, prevx2), 1, |
569 |
x2 - std::max(x + 1, prevx2), h1 - 2); |
570 |
} else { |
571 |
window->draw_rectangle(bg, true, std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), 0, |
572 |
prevx2 + 1 - (move.touch_right ? 1 : 0) - |
573 |
std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), h1); |
574 |
|
575 |
window->draw_line(black, x, 0, std::min(x2, prevx - 1), 0); |
576 |
window->draw_line(black, x, h1 - 1, std::min(x2, prevx - 1), h1 - 1); |
577 |
|
578 |
window->draw_rectangle(gc, true, x + 1, 1, std::min(x2 - 1, prevx) - x, h1 - 2); |
579 |
} |
580 |
|
581 |
move.pos = k; |
582 |
move.touch_left = new_touch_left; |
583 |
move.touch_right = new_touch_right; |
584 |
} |
585 |
|
586 |
|
587 |
bool RegionChooser::on_motion_notify_event(GdkEventMotion* event) |
588 |
{ |
589 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
590 |
int x, y; |
591 |
Gdk::ModifierType state = Gdk::ModifierType(0); |
592 |
window->get_pointer(x, y, state); |
593 |
|
594 |
if (resize.active) { |
595 |
motion_resize_region(x, y); |
596 |
} else if (move.active) { |
597 |
motion_move_region(x, y); |
598 |
} else { |
599 |
if (is_in_resize_zone(x, y)) { |
600 |
if (!cursor_is_resize) { |
601 |
window->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
602 |
cursor_is_resize = true; |
603 |
} |
604 |
} else if (cursor_is_resize) { |
605 |
window->set_cursor(); |
606 |
cursor_is_resize = false; |
607 |
} |
608 |
} |
609 |
|
610 |
return true; |
611 |
} |
612 |
|
613 |
bool RegionChooser::is_in_resize_zone(double x, double y) { |
614 |
const int w = get_width() - 1; |
615 |
|
616 |
if (instrument && y >= 0 && y <= h1) { |
617 |
gig::Region* prev_region = 0; |
618 |
gig::Region* next_region; |
619 |
for (gig::Region* r = regions.first(); r ; r = next_region) { |
620 |
next_region = regions.next(); |
621 |
|
622 |
int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
623 |
if (x <= lo - 2) break; |
624 |
if (x < lo + 2) { |
625 |
resize.region = r; |
626 |
resize.pos = r->KeyRange.low; |
627 |
resize.max = r->KeyRange.high; |
628 |
|
629 |
if (prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low) { |
630 |
// we don't know yet if it's the high limit of |
631 |
// prev_region or the low limit of r that's going |
632 |
// to be edited |
633 |
resize.mode = resize.undecided; |
634 |
resize.min = prev_region->KeyRange.low + 1; |
635 |
resize.prev_region = prev_region; |
636 |
return resize.min != resize.max; |
637 |
} |
638 |
|
639 |
// edit low limit |
640 |
resize.mode = resize.moving_low_limit; |
641 |
resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0; |
642 |
return resize.min != resize.max; |
643 |
} |
644 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
645 |
int hi = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
646 |
if (x <= hi - 2) break; |
647 |
if (x < hi + 2) { |
648 |
// edit high limit |
649 |
resize.region = r; |
650 |
resize.pos = r->KeyRange.high + 1; |
651 |
resize.mode = resize.moving_high_limit; |
652 |
resize.min = r->KeyRange.low + 1; |
653 |
resize.max = next_region ? next_region->KeyRange.low : 128; |
654 |
return resize.min != resize.max; |
655 |
} |
656 |
} |
657 |
prev_region = r; |
658 |
} |
659 |
} |
660 |
return false; |
661 |
} |
662 |
|
663 |
sigc::signal<void>& RegionChooser::signal_region_selected() |
664 |
{ |
665 |
return region_selected; |
666 |
} |
667 |
|
668 |
sigc::signal<void>& RegionChooser::signal_instrument_changed() |
669 |
{ |
670 |
return instrument_changed; |
671 |
} |
672 |
|
673 |
void RegionChooser::show_region_properties() |
674 |
{ |
675 |
if (!region) return; |
676 |
Gtk::Dialog dialog("Region Properties", true /*modal*/); |
677 |
// add "Keygroup" checkbox |
678 |
Gtk::CheckButton checkBoxKeygroup("Member of a Keygroup (Exclusive Group)"); |
679 |
checkBoxKeygroup.set_active(region->KeyGroup); |
680 |
dialog.get_vbox()->pack_start(checkBoxKeygroup); |
681 |
checkBoxKeygroup.show(); |
682 |
// add "Keygroup" spinbox |
683 |
Gtk::Adjustment adjustment(1, 1, pow(2,32)); |
684 |
Gtk::SpinButton spinBox(adjustment); |
685 |
if (region->KeyGroup) spinBox.set_value(region->KeyGroup); |
686 |
dialog.get_vbox()->pack_start(spinBox); |
687 |
spinBox.show(); |
688 |
// add OK and CANCEL buttons to the dialog |
689 |
dialog.add_button(Gtk::Stock::OK, 0); |
690 |
dialog.add_button(Gtk::Stock::CANCEL, 1); |
691 |
dialog.show_all_children(); |
692 |
if (!dialog.run()) { // OK selected ... |
693 |
region->KeyGroup = |
694 |
(checkBoxKeygroup.get_active()) ? spinBox.get_value_as_int() : 0; |
695 |
} |
696 |
} |
697 |
|
698 |
void RegionChooser::add_region() |
699 |
{ |
700 |
instrument_struct_to_be_changed_signal.emit(instrument); |
701 |
|
702 |
region = instrument->AddRegion(); |
703 |
region->SetKeyRange(new_region_pos, new_region_pos); |
704 |
|
705 |
instrument_struct_changed_signal.emit(instrument); |
706 |
regions.update(instrument); |
707 |
|
708 |
queue_draw(); |
709 |
region_selected(); |
710 |
instrument_changed(); |
711 |
} |
712 |
|
713 |
void RegionChooser::delete_region() |
714 |
{ |
715 |
instrument_struct_to_be_changed_signal.emit(instrument); |
716 |
instrument->DeleteRegion(region); |
717 |
instrument_struct_changed_signal.emit(instrument); |
718 |
regions.update(instrument); |
719 |
|
720 |
region = 0; |
721 |
queue_draw(); |
722 |
region_selected(); |
723 |
instrument_changed(); |
724 |
} |
725 |
|
726 |
void RegionChooser::manage_dimensions() |
727 |
{ |
728 |
gig::Region* region = get_region(); |
729 |
if (!region) return; |
730 |
dimensionManager.show(region); |
731 |
} |
732 |
|
733 |
void RegionChooser::on_dimension_manager_changed() { |
734 |
region_selected(); |
735 |
instrument_changed(); |
736 |
} |
737 |
|
738 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_to_be_changed() { |
739 |
return instrument_struct_to_be_changed_signal; |
740 |
} |
741 |
|
742 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_changed() { |
743 |
return instrument_struct_changed_signal; |
744 |
} |
745 |
|
746 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_to_be_changed() { |
747 |
return region_to_be_changed_signal; |
748 |
} |
749 |
|
750 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() { |
751 |
return region_changed_signal; |
752 |
} |