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/* |
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* Copyright (C) 2006-2010 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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|
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#include <algorithm> |
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#include <cmath> |
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#include <sstream> |
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|
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#include <cairomm/context.h> |
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#include <gdkmm/general.h> |
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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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|
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#include "global.h" |
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|
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#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 10) || GTKMM_MAJOR_VERSION < 2 |
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|
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#define create_cairo_context() \ |
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gobj() ? Cairo::RefPtr<Cairo::Context>( \ |
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new Cairo::Context(gdk_cairo_create(get_window()->gobj()))) : \ |
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Cairo::RefPtr<Cairo::Context>() |
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|
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namespace Gdk { |
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namespace Cairo { |
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void set_source_color(const ::Cairo::RefPtr< ::Cairo::Context >& cr, |
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const Gdk::Color& color) { |
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gdk_cairo_set_source_color(cr->cobj(), |
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const_cast<GdkColor*>(color.gobj())); |
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} |
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} |
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} |
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#endif |
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|
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#define REGION_BLOCK_HEIGHT 20 |
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#define KEYBOARD_HEIGHT 40 |
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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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m_VirtKeybModeChoice(_("Virtual Keyboard Mode")), |
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currentActiveKey(-1) |
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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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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 = REGION_BLOCK_HEIGHT; |
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|
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// properties of the virtual keyboard |
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{ |
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const char* choices[] = { _("normal"), _("chord"), NULL }; |
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static const virt_keyboard_mode_t values[] = { |
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VIRT_KEYBOARD_MODE_NORMAL, |
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VIRT_KEYBOARD_MODE_CHORD |
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}; |
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m_VirtKeybModeChoice.set_choices(choices, values); |
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m_VirtKeybModeChoice.set_value(VIRT_KEYBOARD_MODE_NORMAL); |
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} |
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m_VirtKeybVelocityLabelDescr.set_text(_("Note-On Velocity:")); |
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m_VirtKeybVelocityLabel.set_text("-"); |
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m_VirtKeybOffVelocityLabelDescr.set_text(_("Note-Off Velocity:")); |
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m_VirtKeybOffVelocityLabel.set_text("-"); |
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m_VirtKeybPropsBox.pack_start(m_VirtKeybModeChoice.label, Gtk::PACK_SHRINK); |
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m_VirtKeybPropsBox.pack_start(m_VirtKeybModeChoice.widget, Gtk::PACK_SHRINK); |
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m_VirtKeybPropsBox.pack_start(m_VirtKeybVelocityLabelDescr, Gtk::PACK_SHRINK); |
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m_VirtKeybPropsBox.pack_start(m_VirtKeybVelocityLabel, Gtk::PACK_SHRINK); |
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m_VirtKeybPropsBox.pack_start(m_VirtKeybOffVelocityLabelDescr, Gtk::PACK_SHRINK); |
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m_VirtKeybPropsBox.pack_start(m_VirtKeybOffVelocityLabel, Gtk::PACK_SHRINK); |
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m_VirtKeybPropsBox.set_spacing(10); |
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m_VirtKeybPropsBox.show(); |
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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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keyboard_key_hit_signal.connect( |
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sigc::mem_fun(*this, &RegionChooser::on_note_on_event) |
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); |
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keyboard_key_released_signal.connect( |
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sigc::mem_fun(*this, &RegionChooser::on_note_off_event) |
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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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template<class T> inline std::string ToString(T o) { |
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std::stringstream ss; |
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ss << o; |
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return ss.str(); |
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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_key(key, activeKeyColor); |
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m_VirtKeybVelocityLabel.set_text(ToString(velocity)); |
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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_key(key, black); |
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} else { |
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draw_key(key, key >= 21 && key <= 108 ? white : grey1); |
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} |
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m_VirtKeybOffVelocityLabel.set_text(ToString(velocity)); |
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} |
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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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if (window) { |
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Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context(); |
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if (event) { |
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cr->rectangle(event->area.x, event->area.y, |
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event->area.width, event->area.height); |
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cr->clip(); |
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} |
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const int h = KEYBOARD_HEIGHT; |
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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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cr->save(); |
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cr->set_line_width(1); |
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|
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const Gdk::Color bg = get_style()->get_bg(Gtk::STATE_NORMAL); |
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Gdk::Cairo::set_source_color(cr, bg); |
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cr->paint(); |
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|
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Gdk::Cairo::set_source_color(cr, black); |
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cr->rectangle(0.5, h1 + 0.5, w, h - 1); |
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cr->stroke(); |
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|
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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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|
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Gdk::Cairo::set_source_color(cr, grey1); |
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cr->rectangle(1, h1 + 1, x1 - 1, h - 2); |
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cr->fill(); |
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|
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Gdk::Cairo::set_source_color(cr, white); |
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cr->rectangle(x1 + 1, h1 + 1, x2 - x1 - 1, h - 2); |
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cr->fill(); |
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|
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Gdk::Cairo::set_source_color(cr, grey1); |
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cr->rectangle(x2 + 1, h1 + 1, w - x2 - 1, h - 2); |
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cr->fill(); |
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|
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Gdk::Cairo::set_source_color(cr, black); |
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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 || |
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note == 9 || note == 11) { |
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int x2 = int(w * (i + 0.5) / 128.0 + 0.5); |
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cr->move_to(x2 + 0.5, h1 + bh + 0.5); |
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cr->line_to(x2 + 0.5, h1 + h - 1); |
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cr->stroke(); |
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|
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int x3 = int(w * (i + 1) / 128.0 + 0.5); |
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cr->rectangle(x, h1 + 1, x3 - x + 1, bh); |
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cr->fill(); |
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} else if (note == 3 || note == 8) { |
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cr->move_to(x + 0.5, h1 + 1); |
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cr->line_to(x + 0.5, h1 + h - 1); |
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cr->stroke(); |
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|
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if (note == 3) draw_digit(i); |
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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 || |
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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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cr->move_to(x3, 0.5); |
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cr->line_to(x2 + 0.5, 0.5); |
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cr->line_to(x2 + 0.5, h1 - 0.5); |
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cr->line_to(x3, h1 - 0.5); |
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cr->stroke(); |
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|
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Gdk::Cairo::set_source_color(cr, white); |
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cr->rectangle(x3 + 1, 1, x2 - x3 - 1, h1 - 2); |
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cr->fill(); |
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Gdk::Cairo::set_source_color(cr, black); |
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|
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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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cr->move_to(x + 0.5, 1); |
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cr->line_to(x + 0.5, h1 - 1); |
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cr->stroke(); |
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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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Gdk::Cairo::set_source_color(cr, red); |
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cr->rectangle(x1 + 1, 1, x2 - x1 - 1, h1 - 2); |
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cr->fill(); |
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} |
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} |
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|
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cr->restore(); |
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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 = KEYBOARD_HEIGHT + REGION_BLOCK_HEIGHT; |
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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_digit(int key) { |
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const int h = KEYBOARD_HEIGHT; |
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const int w = get_width() - 1; |
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Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context()); |
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char buf[30]; |
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sprintf(buf, "<span size=\"8000\">%d</span>", key / 12 - 1); |
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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 x = w * (key + 0.75) / 128.0; |
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Cairo::RefPtr<Cairo::Context> cr = get_window()->create_cairo_context(); |
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Gdk::Cairo::set_source_color(cr, black); |
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cr->move_to(int(x - text_w / 2 + 1), int(h1 + h - text_h + 0.5)); |
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#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 16) || GTKMM_MAJOR_VERSION < 2 |
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pango_cairo_show_layout(cr->cobj(), layout->gobj()); |
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#else |
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layout->show_in_cairo_context(cr); |
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#endif |
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} |
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|
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void RegionChooser::draw_key(int key, const Gdk::Color& color) |
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{ |
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const int h = KEYBOARD_HEIGHT; |
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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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Cairo::RefPtr<Cairo::Context> cr = get_window()->create_cairo_context(); |
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Gdk::Cairo::set_source_color(cr, color); |
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|
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int note = (key + 3) % 12; |
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int x = int(w * key / 128.0 + 0.5) + 1; |
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int x2 = int(w * (key + 1.5) / 128.0 + 0.5); |
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int x3 = int(w * (key + 1) / 128.0 + 0.5); |
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int x4 = int(w * (key - 0.5) / 128.0 + 0.5); |
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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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cr->rectangle(x, h1 + 1, w1, bh); |
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cr->fill(); |
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cr->rectangle(x4 + 1, h1 + bh + 1, x2 - x4 - 1, h - bh - 2); |
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cr->fill(); |
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break; |
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case 2: case 7: |
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cr->rectangle(x, h1 + 1, w1, bh); |
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cr->fill(); |
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cr->rectangle(x4 + 1, h1 + bh + 1, x3 - x4 - 1, h - bh - 2); |
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cr->fill(); |
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break; |
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case 3: case 8: |
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cr->rectangle(x, h1 + 1, w1, bh); |
379 |
cr->fill(); |
380 |
cr->rectangle(x, h1 + bh + 1, x2 - x, h - bh - 2); |
381 |
cr->fill(); |
382 |
if (note == 3) draw_digit(key); |
383 |
break; |
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default: |
385 |
cr->rectangle(x, h1 + 1, w1, bh - 1); |
386 |
cr->fill(); |
387 |
break; |
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} |
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} |
390 |
|
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void RegionChooser::set_instrument(gig::Instrument* instrument) |
392 |
{ |
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this->instrument = instrument; |
394 |
regions.update(instrument); |
395 |
region = regions.first(); |
396 |
queue_draw(); |
397 |
region_selected(); |
398 |
dimensionManager.set_region(region); |
399 |
} |
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|
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bool RegionChooser::on_button_release_event(GdkEventButton* event) |
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{ |
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const int k = int(event->x / (get_width() - 1) * 128.0); |
404 |
|
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// handle-note off on virtual keyboard |
406 |
if (event->type == GDK_BUTTON_RELEASE) { |
407 |
int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 : |
408 |
int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1; |
409 |
if (velocity <= 0) velocity = 1; |
410 |
switch (m_VirtKeybModeChoice.get_value()) { |
411 |
case VIRT_KEYBOARD_MODE_CHORD: |
412 |
if (event->y >= REGION_BLOCK_HEIGHT) |
413 |
keyboard_key_released_signal.emit(k, velocity); |
414 |
break; |
415 |
case VIRT_KEYBOARD_MODE_NORMAL: |
416 |
default: |
417 |
if (currentActiveKey >= 0 && currentActiveKey <= 127) { |
418 |
keyboard_key_released_signal.emit(currentActiveKey, velocity); |
419 |
currentActiveKey = -1; |
420 |
} |
421 |
break; |
422 |
} |
423 |
} |
424 |
|
425 |
if (resize.active) { |
426 |
get_window()->pointer_ungrab(event->time); |
427 |
resize.active = false; |
428 |
|
429 |
if (resize.mode == resize.moving_high_limit) { |
430 |
if (resize.region->KeyRange.high != resize.pos - 1) { |
431 |
instrument_struct_to_be_changed_signal.emit(instrument); |
432 |
resize.region->SetKeyRange( |
433 |
resize.region->KeyRange.low, // low |
434 |
resize.pos - 1 // high |
435 |
); |
436 |
regions.update(instrument); |
437 |
instrument_changed.emit(); |
438 |
instrument_struct_changed_signal.emit(instrument); |
439 |
} |
440 |
} else if (resize.mode == resize.moving_low_limit) { |
441 |
if (resize.region->KeyRange.low != resize.pos) { |
442 |
instrument_struct_to_be_changed_signal.emit(instrument); |
443 |
resize.region->SetKeyRange( |
444 |
resize.pos, // low |
445 |
resize.region->KeyRange.high // high |
446 |
); |
447 |
regions.update(instrument); |
448 |
instrument_changed.emit(); |
449 |
instrument_struct_changed_signal.emit(instrument); |
450 |
} |
451 |
} |
452 |
|
453 |
if (!is_in_resize_zone(event->x, event->y) && cursor_is_resize) { |
454 |
get_window()->set_cursor(); |
455 |
cursor_is_resize = false; |
456 |
} |
457 |
} else if (move.active) { |
458 |
get_window()->pointer_ungrab(event->time); |
459 |
move.active = false; |
460 |
|
461 |
if (move.pos) { |
462 |
instrument_struct_to_be_changed_signal.emit(instrument); |
463 |
region->SetKeyRange( |
464 |
region->KeyRange.low + move.pos, |
465 |
region->KeyRange.high + move.pos |
466 |
); |
467 |
regions.update(instrument); |
468 |
instrument_changed.emit(); |
469 |
instrument_struct_changed_signal.emit(instrument); |
470 |
} |
471 |
|
472 |
if (is_in_resize_zone(event->x, event->y)) { |
473 |
get_window()->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
474 |
cursor_is_resize = true; |
475 |
} |
476 |
} |
477 |
return true; |
478 |
} |
479 |
|
480 |
bool RegionChooser::on_button_press_event(GdkEventButton* event) |
481 |
{ |
482 |
if (!instrument) return true; |
483 |
|
484 |
const int k = int(event->x / (get_width() - 1) * 128.0); |
485 |
|
486 |
if (event->type == GDK_BUTTON_PRESS) { |
487 |
if (event->y >= REGION_BLOCK_HEIGHT) { |
488 |
int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 : |
489 |
int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1; |
490 |
currentActiveKey = k; |
491 |
keyboard_key_hit_signal.emit(k, velocity); |
492 |
} |
493 |
} |
494 |
|
495 |
if (event->y >= REGION_BLOCK_HEIGHT) return true; |
496 |
if (event->type == GDK_BUTTON_PRESS && event->button == 3) { |
497 |
gig::Region* r = get_region(k); |
498 |
if (r) { |
499 |
region = r; |
500 |
queue_draw(); |
501 |
region_selected(); |
502 |
dimensionManager.set_region(region); |
503 |
popup_menu_inside_region->popup(event->button, event->time); |
504 |
} else { |
505 |
new_region_pos = k; |
506 |
popup_menu_outside_region->popup(event->button, event->time); |
507 |
} |
508 |
} else { |
509 |
if (is_in_resize_zone(event->x, event->y)) { |
510 |
get_window()->pointer_grab(false, |
511 |
Gdk::BUTTON_RELEASE_MASK | |
512 |
Gdk::POINTER_MOTION_MASK | |
513 |
Gdk::POINTER_MOTION_HINT_MASK, |
514 |
Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW), event->time); |
515 |
resize.active = true; |
516 |
} else { |
517 |
gig::Region* r = get_region(k); |
518 |
if (r) { |
519 |
region = r; |
520 |
queue_draw(); |
521 |
region_selected(); |
522 |
dimensionManager.set_region(region); |
523 |
|
524 |
get_window()->pointer_grab(false, |
525 |
Gdk::BUTTON_RELEASE_MASK | |
526 |
Gdk::POINTER_MOTION_MASK | |
527 |
Gdk::POINTER_MOTION_HINT_MASK, |
528 |
Gdk::Cursor(Gdk::FLEUR), event->time); |
529 |
move.active = true; |
530 |
move.from_x = event->x; |
531 |
move.pos = 0; |
532 |
} |
533 |
} |
534 |
} |
535 |
return true; |
536 |
} |
537 |
|
538 |
gig::Region* RegionChooser::get_region(int key) |
539 |
{ |
540 |
gig::Region* prev_region = 0; |
541 |
gig::Region* next_region; |
542 |
for (gig::Region* r = regions.first() ; r ; r = next_region) { |
543 |
next_region = regions.next(); |
544 |
|
545 |
if (key < r->KeyRange.low) return 0; |
546 |
if (key <= r->KeyRange.high) { |
547 |
move.touch_left = prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low; |
548 |
move.touch_right = next_region && r->KeyRange.high + 1 == next_region->KeyRange.low; |
549 |
return r; |
550 |
} |
551 |
prev_region = r; |
552 |
} |
553 |
return 0; |
554 |
} |
555 |
|
556 |
void RegionChooser::motion_resize_region(int x, int y) |
557 |
{ |
558 |
const int w = get_width() - 1; |
559 |
|
560 |
int k = int(double(x) / w * 128.0 + 0.5); |
561 |
|
562 |
if (k < resize.min) k = resize.min; |
563 |
else if (k > resize.max) k = resize.max; |
564 |
|
565 |
if (k != resize.pos) { |
566 |
Cairo::RefPtr<Cairo::Context> cr = get_window()->create_cairo_context(); |
567 |
cr->set_line_width(1); |
568 |
|
569 |
if (resize.mode == resize.undecided) { |
570 |
if (k < resize.pos) { |
571 |
// edit high limit of prev_region |
572 |
resize.max = resize.region->KeyRange.low; |
573 |
resize.region = resize.prev_region; |
574 |
resize.mode = resize.moving_high_limit; |
575 |
} else { |
576 |
// edit low limit of region |
577 |
resize.min = resize.prev_region->KeyRange.high + 1; |
578 |
resize.mode = resize.moving_low_limit; |
579 |
} |
580 |
} |
581 |
const Gdk::Color white = |
582 |
region == resize.region ? red : get_style()->get_white(); |
583 |
const Gdk::Color bg = get_style()->get_bg(Gtk::STATE_NORMAL); |
584 |
|
585 |
int prevx = int(w * resize.pos / 128.0 + 0.5); |
586 |
x = int(w * k / 128.0 + 0.5); |
587 |
|
588 |
if (resize.mode == resize.moving_high_limit) { |
589 |
if (k > resize.pos) { |
590 |
Gdk::Cairo::set_source_color(cr, white); |
591 |
cr->rectangle(prevx, 1, x - prevx, h1 - 2); |
592 |
cr->fill(); |
593 |
|
594 |
Gdk::Cairo::set_source_color(cr, black); |
595 |
cr->move_to(prevx, 0.5); |
596 |
cr->line_to(x + 1, 0.5); |
597 |
cr->move_to(prevx, h1 - 0.5); |
598 |
cr->line_to(x + 1, h1 - 0.5); |
599 |
cr->stroke(); |
600 |
} else { |
601 |
int xx = (resize.pos == resize.max && |
602 |
resize.max != 128) ? 1 : 0; |
603 |
Gdk::Cairo::set_source_color(cr, bg); |
604 |
cr->rectangle(x + 1, 0, prevx - x - xx, h1); |
605 |
cr->fill(); |
606 |
} |
607 |
} else { |
608 |
if (k < resize.pos) { |
609 |
Gdk::Cairo::set_source_color(cr, white); |
610 |
cr->rectangle(x + 1, 1, prevx - x, h1 - 2); |
611 |
cr->fill(); |
612 |
|
613 |
Gdk::Cairo::set_source_color(cr, black); |
614 |
cr->move_to(x, 0.5); |
615 |
cr->line_to(prevx, 0.5); |
616 |
cr->move_to(x, h1 - 0.5); |
617 |
cr->line_to(prevx, h1 - 0.5); |
618 |
cr->stroke(); |
619 |
} else { |
620 |
int xx = (resize.pos == resize.min && |
621 |
resize.min != 0) ? 1 : 0; |
622 |
Gdk::Cairo::set_source_color(cr, bg); |
623 |
cr->rectangle(prevx + xx, 0, x - prevx - xx, h1); |
624 |
cr->fill(); |
625 |
} |
626 |
} |
627 |
Gdk::Cairo::set_source_color(cr, black); |
628 |
cr->move_to(x + 0.5, 1); |
629 |
cr->line_to(x + 0.5, h1 - 1); |
630 |
cr->stroke(); |
631 |
resize.pos = k; |
632 |
} |
633 |
} |
634 |
|
635 |
void RegionChooser::motion_move_region(int x, int y) |
636 |
{ |
637 |
const int w = get_width() - 1; |
638 |
Cairo::RefPtr<Cairo::Context> cr = get_window()->create_cairo_context(); |
639 |
cr->set_line_width(1); |
640 |
|
641 |
int k = int(double(x - move.from_x) / w * 128.0 + 0.5); |
642 |
if (k == move.pos) return; |
643 |
int new_k; |
644 |
bool new_touch_left; |
645 |
bool new_touch_right; |
646 |
int a = 0; |
647 |
if (k > move.pos) { |
648 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
649 |
if (r != region) { |
650 |
int b = r ? r->KeyRange.low : 128; |
651 |
|
652 |
// gap: from a to b (not inclusive b) |
653 |
|
654 |
if (region->KeyRange.high + move.pos >= b) { |
655 |
// not found the current gap yet, just continue |
656 |
} else { |
657 |
|
658 |
if (a > region->KeyRange.low + k) { |
659 |
// this gap is too far to the right, break |
660 |
break; |
661 |
} |
662 |
|
663 |
int newhigh = std::min(region->KeyRange.high + k, b - 1); |
664 |
int newlo = newhigh - (region->KeyRange.high - region->KeyRange.low); |
665 |
|
666 |
if (newlo >= a) { |
667 |
// yes it fits - it's a candidate |
668 |
new_k = newlo - region->KeyRange.low; |
669 |
new_touch_left = a > 0 && a == newlo; |
670 |
new_touch_right = b < 128 && newhigh + 1 == b; |
671 |
} |
672 |
} |
673 |
if (!r) break; |
674 |
a = r->KeyRange.high + 1; |
675 |
} |
676 |
} |
677 |
} else { |
678 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
679 |
if (r != region) { |
680 |
int b = r ? r->KeyRange.low : 128; |
681 |
|
682 |
// gap from a to b (not inclusive b) |
683 |
|
684 |
if (region->KeyRange.high + k >= b) { |
685 |
// not found the current gap yet, just continue |
686 |
} else { |
687 |
|
688 |
if (a > region->KeyRange.low + move.pos) { |
689 |
// this gap is too far to the right, break |
690 |
break; |
691 |
} |
692 |
|
693 |
int newlo = std::max(region->KeyRange.low + k, a); |
694 |
int newhigh = newlo + (region->KeyRange.high - region->KeyRange.low); |
695 |
|
696 |
if (newhigh < b) { |
697 |
// yes it fits - break as the first one is the best |
698 |
new_k = newlo - region->KeyRange.low; |
699 |
new_touch_left = a > 0 && a == newlo; |
700 |
new_touch_right = b < 128 && newhigh + 1 == b; |
701 |
break; |
702 |
} |
703 |
} |
704 |
if (!r) break; |
705 |
a = r->KeyRange.high + 1; |
706 |
} |
707 |
} |
708 |
} |
709 |
k = new_k; |
710 |
if (k == move.pos) return; |
711 |
|
712 |
const Gdk::Color bg = get_style()->get_bg(Gtk::STATE_NORMAL); |
713 |
int prevx = int(w * (move.pos + region->KeyRange.low) / 128.0 + 0.5); |
714 |
x = int(w * (k + region->KeyRange.low) / 128.0 + 0.5); |
715 |
int prevx2 = int(w * (move.pos + region->KeyRange.high + 1) / 128.0 + 0.5); |
716 |
int x2 = int(w * (k + region->KeyRange.high + 1) / 128.0 + 0.5); |
717 |
const Gdk::Color black = get_style()->get_black(); |
718 |
|
719 |
if (!new_touch_left) { |
720 |
Gdk::Cairo::set_source_color(cr, black); |
721 |
cr->move_to(x + 0.5, 1); |
722 |
cr->line_to(x + 0.5, h1 - 1); |
723 |
cr->stroke(); |
724 |
} |
725 |
if (!new_touch_right) { |
726 |
Gdk::Cairo::set_source_color(cr, black); |
727 |
cr->move_to(x2 + 0.5, 1); |
728 |
cr->line_to(x2 + 0.5, h1 - 1); |
729 |
cr->stroke(); |
730 |
} |
731 |
|
732 |
if (k > move.pos) { |
733 |
Gdk::Cairo::set_source_color(cr, bg); |
734 |
cr->rectangle(prevx + (move.touch_left ? 1 : 0), 0, |
735 |
std::min(x, prevx2 + 1 - (move.touch_right ? 1 : 0)) - |
736 |
(prevx + (move.touch_left ? 1 : 0)), h1); |
737 |
cr->fill(); |
738 |
|
739 |
Gdk::Cairo::set_source_color(cr, black); |
740 |
cr->move_to(std::max(x, prevx2 + 1), 0.5); |
741 |
cr->line_to(x2 + 1, 0.5); |
742 |
cr->move_to(std::max(x, prevx2 + 1), h1 - 0.5); |
743 |
cr->line_to(x2 + 1, h1 - 0.5); |
744 |
cr->stroke(); |
745 |
|
746 |
Gdk::Cairo::set_source_color(cr, red); |
747 |
cr->rectangle(std::max(x + 1, prevx2), 1, |
748 |
x2 - std::max(x + 1, prevx2), h1 - 2); |
749 |
cr->fill(); |
750 |
} else { |
751 |
Gdk::Cairo::set_source_color(cr, bg); |
752 |
cr->rectangle(std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), 0, |
753 |
prevx2 + 1 - (move.touch_right ? 1 : 0) - |
754 |
std::max(x2 + 1, prevx + (move.touch_left ? 1 : 0)), h1); |
755 |
cr->fill(); |
756 |
|
757 |
Gdk::Cairo::set_source_color(cr, black); |
758 |
cr->move_to(x, 0.5); |
759 |
cr->line_to(std::min(x2, prevx - 1) + 1, 0.5); |
760 |
cr->move_to(x, h1 - 0.5); |
761 |
cr->line_to(std::min(x2, prevx - 1) + 1, h1 - 0.5); |
762 |
cr->stroke(); |
763 |
|
764 |
Gdk::Cairo::set_source_color(cr, red); |
765 |
cr->rectangle(x + 1, 1, std::min(x2 - 1, prevx) - x, h1 - 2); |
766 |
cr->fill(); |
767 |
} |
768 |
|
769 |
move.pos = k; |
770 |
move.touch_left = new_touch_left; |
771 |
move.touch_right = new_touch_right; |
772 |
} |
773 |
|
774 |
|
775 |
bool RegionChooser::on_motion_notify_event(GdkEventMotion* event) |
776 |
{ |
777 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
778 |
int x, y; |
779 |
Gdk::ModifierType state = Gdk::ModifierType(0); |
780 |
window->get_pointer(x, y, state); |
781 |
|
782 |
// handle virtual MIDI keyboard |
783 |
if (m_VirtKeybModeChoice.get_value() != VIRT_KEYBOARD_MODE_CHORD && |
784 |
currentActiveKey > 0 && |
785 |
event->y >= REGION_BLOCK_HEIGHT && |
786 |
event->y < REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT) |
787 |
{ |
788 |
const int k = int(event->x / (get_width() - 1) * 128.0); |
789 |
if (k != currentActiveKey) { |
790 |
int velocity = |
791 |
(event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 : |
792 |
int(float(event->y - REGION_BLOCK_HEIGHT) / |
793 |
float(KEYBOARD_HEIGHT) * 128.0f) + 1; |
794 |
if (velocity <= 0) velocity = 1; |
795 |
keyboard_key_released_signal.emit(currentActiveKey, velocity); |
796 |
currentActiveKey = k; |
797 |
keyboard_key_hit_signal.emit(k, velocity); |
798 |
} |
799 |
} |
800 |
|
801 |
if (resize.active) { |
802 |
motion_resize_region(x, y); |
803 |
} else if (move.active) { |
804 |
motion_move_region(x, y); |
805 |
} else { |
806 |
if (is_in_resize_zone(x, y)) { |
807 |
if (!cursor_is_resize) { |
808 |
window->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
809 |
cursor_is_resize = true; |
810 |
} |
811 |
} else if (cursor_is_resize) { |
812 |
window->set_cursor(); |
813 |
cursor_is_resize = false; |
814 |
} |
815 |
} |
816 |
|
817 |
return true; |
818 |
} |
819 |
|
820 |
bool RegionChooser::is_in_resize_zone(double x, double y) { |
821 |
const int w = get_width() - 1; |
822 |
|
823 |
if (instrument && y >= 0 && y <= h1) { |
824 |
gig::Region* prev_region = 0; |
825 |
gig::Region* next_region; |
826 |
for (gig::Region* r = regions.first(); r ; r = next_region) { |
827 |
next_region = regions.next(); |
828 |
|
829 |
int lo = int(w * (r->KeyRange.low) / 128.0 + 0.5); |
830 |
if (x <= lo - 2) break; |
831 |
if (x < lo + 2) { |
832 |
resize.region = r; |
833 |
resize.pos = r->KeyRange.low; |
834 |
resize.max = r->KeyRange.high; |
835 |
|
836 |
if (prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low) { |
837 |
// we don't know yet if it's the high limit of |
838 |
// prev_region or the low limit of r that's going |
839 |
// to be edited |
840 |
resize.mode = resize.undecided; |
841 |
resize.min = prev_region->KeyRange.low + 1; |
842 |
resize.prev_region = prev_region; |
843 |
return resize.min != resize.max; |
844 |
} |
845 |
|
846 |
// edit low limit |
847 |
resize.mode = resize.moving_low_limit; |
848 |
resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0; |
849 |
return resize.min != resize.max; |
850 |
} |
851 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
852 |
int hi = int(w * (r->KeyRange.high + 1) / 128.0 + 0.5); |
853 |
if (x <= hi - 2) break; |
854 |
if (x < hi + 2) { |
855 |
// edit high limit |
856 |
resize.region = r; |
857 |
resize.pos = r->KeyRange.high + 1; |
858 |
resize.mode = resize.moving_high_limit; |
859 |
resize.min = r->KeyRange.low + 1; |
860 |
resize.max = next_region ? next_region->KeyRange.low : 128; |
861 |
return resize.min != resize.max; |
862 |
} |
863 |
} |
864 |
prev_region = r; |
865 |
} |
866 |
} |
867 |
return false; |
868 |
} |
869 |
|
870 |
sigc::signal<void>& RegionChooser::signal_region_selected() |
871 |
{ |
872 |
return region_selected; |
873 |
} |
874 |
|
875 |
sigc::signal<void>& RegionChooser::signal_instrument_changed() |
876 |
{ |
877 |
return instrument_changed; |
878 |
} |
879 |
|
880 |
void RegionChooser::show_region_properties() |
881 |
{ |
882 |
if (!region) return; |
883 |
Gtk::Dialog dialog(_("Region Properties"), true /*modal*/); |
884 |
// add "Keygroup" checkbox |
885 |
Gtk::CheckButton checkBoxKeygroup(_("Member of a Keygroup (Exclusive Group)")); |
886 |
checkBoxKeygroup.set_active(region->KeyGroup); |
887 |
dialog.get_vbox()->pack_start(checkBoxKeygroup); |
888 |
checkBoxKeygroup.show(); |
889 |
// add "Keygroup" spinbox |
890 |
Gtk::Adjustment adjustment(1, 1, pow(2,32)); |
891 |
Gtk::SpinButton spinBox(adjustment); |
892 |
if (region->KeyGroup) spinBox.set_value(region->KeyGroup); |
893 |
dialog.get_vbox()->pack_start(spinBox); |
894 |
spinBox.show(); |
895 |
// add OK and CANCEL buttons to the dialog |
896 |
dialog.add_button(Gtk::Stock::OK, 0); |
897 |
dialog.add_button(Gtk::Stock::CANCEL, 1); |
898 |
dialog.show_all_children(); |
899 |
if (!dialog.run()) { // OK selected ... |
900 |
region->KeyGroup = |
901 |
(checkBoxKeygroup.get_active()) ? spinBox.get_value_as_int() : 0; |
902 |
} |
903 |
} |
904 |
|
905 |
void RegionChooser::add_region() |
906 |
{ |
907 |
instrument_struct_to_be_changed_signal.emit(instrument); |
908 |
|
909 |
region = instrument->AddRegion(); |
910 |
region->SetKeyRange(new_region_pos, new_region_pos); |
911 |
|
912 |
instrument_struct_changed_signal.emit(instrument); |
913 |
regions.update(instrument); |
914 |
|
915 |
queue_draw(); |
916 |
region_selected(); |
917 |
dimensionManager.set_region(region); |
918 |
instrument_changed(); |
919 |
} |
920 |
|
921 |
void RegionChooser::delete_region() |
922 |
{ |
923 |
instrument_struct_to_be_changed_signal.emit(instrument); |
924 |
instrument->DeleteRegion(region); |
925 |
instrument_struct_changed_signal.emit(instrument); |
926 |
regions.update(instrument); |
927 |
|
928 |
region = 0; |
929 |
queue_draw(); |
930 |
region_selected(); |
931 |
dimensionManager.set_region(region); |
932 |
instrument_changed(); |
933 |
} |
934 |
|
935 |
void RegionChooser::manage_dimensions() |
936 |
{ |
937 |
gig::Region* region = get_region(); |
938 |
if (!region) return; |
939 |
dimensionManager.show(region); |
940 |
} |
941 |
|
942 |
void RegionChooser::on_dimension_manager_changed() { |
943 |
region_selected(); |
944 |
instrument_changed(); |
945 |
} |
946 |
|
947 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_to_be_changed() { |
948 |
return instrument_struct_to_be_changed_signal; |
949 |
} |
950 |
|
951 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_changed() { |
952 |
return instrument_struct_changed_signal; |
953 |
} |
954 |
|
955 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_to_be_changed() { |
956 |
return region_to_be_changed_signal; |
957 |
} |
958 |
|
959 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() { |
960 |
return region_changed_signal; |
961 |
} |
962 |
|
963 |
sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_hit() { |
964 |
return keyboard_key_hit_signal; |
965 |
} |
966 |
|
967 |
sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_released() { |
968 |
return keyboard_key_released_signal; |
969 |
} |