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/* |
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* Copyright (C) 2006-2014 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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|
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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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#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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activeKeyColor("red"), |
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red("#8070ff"), |
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grey1("grey69"), |
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white("white"), |
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black("black"), |
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m_VirtKeybModeChoice(_("Virtual Keyboard Mode")), |
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currentActiveKey(-1) |
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{ |
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set_size_request(500, KEYBOARD_HEIGHT + REGION_BLOCK_HEIGHT); |
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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"), 0 }; |
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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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for (int i = 0 ; i < 128 ; i++) key_pressed[i] = false; |
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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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void RegionChooser::invalidate_key(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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int x1 = key_to_x(key - 0.5, w); |
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int x2 = key_to_x(key + 1.5, w); |
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|
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Gdk::Rectangle rect(x1 + 1, h1 + 1, x2 - x1 - 1, h - 2); |
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get_window()->invalidate_rect(rect, false); |
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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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key_pressed[key] = true; |
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invalidate_key(key); |
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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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key_pressed[key] = false; |
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invalidate_key(key); |
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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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#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
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bool RegionChooser::on_expose_event(GdkEventExpose* e) { |
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double clipx1 = e->area.x; |
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double clipx2 = e->area.x + e->area.width; |
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double clipy1 = e->area.y; |
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double clipy2 = e->area.y + e->area.height; |
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|
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const Cairo::RefPtr<Cairo::Context>& cr = |
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get_window()->create_cairo_context(); |
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#if 0 |
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} |
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#endif |
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#else |
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bool RegionChooser::on_draw(const Cairo::RefPtr<Cairo::Context>& cr) { |
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double clipx1, clipx2, clipy1, clipy2; |
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cr->get_clip_extents(clipx1, clipy1, clipx2, clipy2); |
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#endif |
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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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#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
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const Gdk::Color bg = get_style()->get_bg(Gtk::STATE_NORMAL); |
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#else |
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const Gdk::RGBA bg = get_style_context()->get_background_color(); |
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#endif |
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Gdk::Cairo::set_source_rgba(cr, bg); |
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cr->paint(); |
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|
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if (clipy2 > h1) { |
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draw_keyboard(cr, clipx1, clipx2); |
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} |
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|
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if (clipy1 < h1 && instrument) { |
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draw_regions(cr, clipx1, clipx2); |
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} |
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|
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cr->restore(); |
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|
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return true; |
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} |
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|
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void RegionChooser::draw_keyboard(const Cairo::RefPtr<Cairo::Context>& cr, |
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int clip_low, int clip_high) { |
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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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Gdk::Cairo::set_source_rgba(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 = key_to_x(20.5, w); |
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Gdk::Cairo::set_source_rgba(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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int x2 = key_to_x(109.5, w); |
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Gdk::Cairo::set_source_rgba(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_rgba(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_rgba(cr, black); |
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|
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int clipkey1 = std::max(0, x_to_key_right(clip_low - 1, w)); |
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int clipkey2 = std::min(x_to_key_right(clip_high - 1, w) + 1, 128); |
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|
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for (int i = clipkey1 ; i < clipkey2 ; i++) { |
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int note = (i + 3) % 12; |
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int x = key_to_x(i, w); |
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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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// black key: short line in the middle, with a rectangle |
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// on top |
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int x2 = key_to_x(i + 0.5, w); |
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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 = key_to_x(i + 1, w); |
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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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// C or F: long line to the left |
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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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|
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if (key_pressed[i]) draw_key(cr, i); |
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|
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if (note == 3) draw_digit(cr, i); |
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} |
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} |
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|
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|
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void RegionChooser::draw_regions(const Cairo::RefPtr<Cairo::Context>& cr, |
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int clip_low, int clip_high) { |
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const int w = get_width() - 1; |
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|
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Gdk::Cairo::set_source_rgba(cr, black); |
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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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next_region = regions.next(); |
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|
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if (x3 < 0) { |
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x3 = key_to_x(r->KeyRange.low, w); |
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if (x3 >= clip_high) break; |
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} |
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if (!next_region || |
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r->KeyRange.high + 1 != next_region->KeyRange.low || |
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r == region || next_region == region) { |
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|
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int x2 = key_to_x(r->KeyRange.high + 1, w); |
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if (x2 >= clip_low) { |
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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_rgba(cr, region == r ? red : 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_rgba(cr, black); |
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} |
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x3 = -1; |
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} |
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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 = key_to_x(r->KeyRange.low, w); |
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|
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if (x < clip_low) continue; |
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if (x >= clip_high) break; |
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|
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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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|
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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(const Cairo::RefPtr<Cairo::Context>& cr, |
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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 = |
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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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Gdk::Cairo::set_source_rgba(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(const Cairo::RefPtr<Cairo::Context>& cr, |
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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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const int bh = int(h * 0.55); |
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|
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Gdk::Cairo::set_source_rgba(cr, activeKeyColor); |
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|
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int note = (key + 3) % 12; |
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int x = key_to_x(key, w) + 1; |
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int x2 = key_to_x(key + 1.5, w); |
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int x3 = key_to_x(key + 1, w); |
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int x4 = key_to_x(key - 0.5, w); |
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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); |
378 |
cr->fill(); |
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cr->rectangle(x4 + 1, h1 + bh + 1, x2 - x4 - 1, h - bh - 2); |
380 |
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); |
384 |
cr->fill(); |
385 |
cr->rectangle(x4 + 1, h1 + bh + 1, x3 - x4 - 1, h - bh - 2); |
386 |
cr->fill(); |
387 |
break; |
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case 3: case 8: |
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cr->rectangle(x, h1 + 1, w1, bh); |
390 |
cr->fill(); |
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cr->rectangle(x, h1 + bh + 1, x2 - x, h - bh - 2); |
392 |
cr->fill(); |
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break; |
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default: |
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cr->rectangle(x, h1 + 1, w1, bh - 1); |
396 |
cr->fill(); |
397 |
break; |
398 |
} |
399 |
Gdk::Cairo::set_source_rgba(cr, black); |
400 |
} |
401 |
|
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void RegionChooser::set_instrument(gig::Instrument* instrument) |
403 |
{ |
404 |
this->instrument = instrument; |
405 |
regions.update(instrument); |
406 |
region = regions.first(); |
407 |
queue_draw(); |
408 |
region_selected(); |
409 |
dimensionManager.set_region(region); |
410 |
} |
411 |
|
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bool RegionChooser::on_button_release_event(GdkEventButton* event) |
413 |
{ |
414 |
const int k = x_to_key(event->x, get_width() - 1); |
415 |
|
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// handle-note off on virtual keyboard |
417 |
if (event->type == GDK_BUTTON_RELEASE) { |
418 |
int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 : |
419 |
int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1; |
420 |
if (velocity <= 0) velocity = 1; |
421 |
switch (m_VirtKeybModeChoice.get_value()) { |
422 |
case VIRT_KEYBOARD_MODE_CHORD: |
423 |
if (event->y >= REGION_BLOCK_HEIGHT) |
424 |
keyboard_key_released_signal.emit(k, velocity); |
425 |
break; |
426 |
case VIRT_KEYBOARD_MODE_NORMAL: |
427 |
default: |
428 |
if (currentActiveKey >= 0 && currentActiveKey <= 127) { |
429 |
keyboard_key_released_signal.emit(currentActiveKey, velocity); |
430 |
currentActiveKey = -1; |
431 |
} |
432 |
break; |
433 |
} |
434 |
} |
435 |
|
436 |
if (resize.active) { |
437 |
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
438 |
get_window()->pointer_ungrab(event->time); |
439 |
#else |
440 |
Glib::wrap(event->device, true)->ungrab(event->time); |
441 |
#endif |
442 |
resize.active = false; |
443 |
|
444 |
if (!is_in_resize_zone(event->x, event->y) && cursor_is_resize) { |
445 |
get_window()->set_cursor(); |
446 |
cursor_is_resize = false; |
447 |
} |
448 |
} else if (move.active) { |
449 |
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
450 |
get_window()->pointer_ungrab(event->time); |
451 |
#else |
452 |
Glib::wrap(event->device, true)->ungrab(event->time); |
453 |
#endif |
454 |
move.active = false; |
455 |
|
456 |
if (is_in_resize_zone(event->x, event->y)) { |
457 |
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
458 |
get_window()->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
459 |
#else |
460 |
get_window()->set_cursor(Gdk::Cursor::create(Gdk::SB_H_DOUBLE_ARROW)); |
461 |
#endif |
462 |
cursor_is_resize = true; |
463 |
} |
464 |
} |
465 |
return true; |
466 |
} |
467 |
|
468 |
void RegionChooser::update_after_resize() |
469 |
{ |
470 |
if (resize.mode == resize.moving_high_limit) { |
471 |
if (resize.region->KeyRange.high != resize.pos - 1) { |
472 |
instrument_struct_to_be_changed_signal.emit(instrument); |
473 |
resize.region->SetKeyRange(resize.region->KeyRange.low, |
474 |
resize.pos - 1); |
475 |
regions.update(instrument); |
476 |
instrument_changed.emit(); |
477 |
instrument_struct_changed_signal.emit(instrument); |
478 |
} |
479 |
} else if (resize.mode == resize.moving_low_limit) { |
480 |
if (resize.region->KeyRange.low != resize.pos) { |
481 |
instrument_struct_to_be_changed_signal.emit(instrument); |
482 |
resize.region->SetKeyRange(resize.pos, |
483 |
resize.region->KeyRange.high); |
484 |
regions.update(instrument); |
485 |
instrument_changed.emit(); |
486 |
instrument_struct_changed_signal.emit(instrument); |
487 |
} |
488 |
} |
489 |
} |
490 |
|
491 |
void RegionChooser::update_after_move(int pos) |
492 |
{ |
493 |
instrument_struct_to_be_changed_signal.emit(instrument); |
494 |
region->SetKeyRange(pos, pos + region->KeyRange.high - |
495 |
region->KeyRange.low); |
496 |
regions.update(instrument); |
497 |
instrument_changed.emit(); |
498 |
instrument_struct_changed_signal.emit(instrument); |
499 |
} |
500 |
|
501 |
bool RegionChooser::on_button_press_event(GdkEventButton* event) |
502 |
{ |
503 |
if (!instrument) return true; |
504 |
|
505 |
const int w = get_width() - 1; |
506 |
const int k = x_to_key(event->x, w); |
507 |
|
508 |
if (event->type == GDK_BUTTON_PRESS) { |
509 |
if (event->y >= REGION_BLOCK_HEIGHT) { |
510 |
int velocity = (event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 : |
511 |
int(float(event->y - REGION_BLOCK_HEIGHT) / float(KEYBOARD_HEIGHT) * 128.0f) + 1; |
512 |
currentActiveKey = k; |
513 |
keyboard_key_hit_signal.emit(k, velocity); |
514 |
} |
515 |
} |
516 |
|
517 |
if (event->y >= REGION_BLOCK_HEIGHT) return true; |
518 |
if (event->type == GDK_BUTTON_PRESS && event->button == 3) { |
519 |
gig::Region* r = get_region(k); |
520 |
if (r) { |
521 |
region = r; |
522 |
queue_draw(); |
523 |
region_selected(); |
524 |
dimensionManager.set_region(region); |
525 |
popup_menu_inside_region->popup(event->button, event->time); |
526 |
} else { |
527 |
new_region_pos = k; |
528 |
popup_menu_outside_region->popup(event->button, event->time); |
529 |
} |
530 |
} else { |
531 |
if (is_in_resize_zone(event->x, event->y)) { |
532 |
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
533 |
get_window()->pointer_grab(false, |
534 |
Gdk::BUTTON_RELEASE_MASK | |
535 |
Gdk::POINTER_MOTION_MASK | |
536 |
Gdk::POINTER_MOTION_HINT_MASK, |
537 |
Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW), |
538 |
event->time); |
539 |
#else |
540 |
Glib::wrap(event->device, true)->grab(get_window(), |
541 |
Gdk::OWNERSHIP_NONE, |
542 |
false, |
543 |
Gdk::BUTTON_RELEASE_MASK | |
544 |
Gdk::POINTER_MOTION_MASK | |
545 |
Gdk::POINTER_MOTION_HINT_MASK, |
546 |
Gdk::Cursor::create(Gdk::SB_H_DOUBLE_ARROW), |
547 |
event->time); |
548 |
#endif |
549 |
resize.active = true; |
550 |
} else { |
551 |
gig::Region* r = get_region(k); |
552 |
if (r) { |
553 |
region = r; |
554 |
queue_draw(); |
555 |
region_selected(); |
556 |
dimensionManager.set_region(region); |
557 |
|
558 |
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
559 |
get_window()->pointer_grab(false, |
560 |
Gdk::BUTTON_RELEASE_MASK | |
561 |
Gdk::POINTER_MOTION_MASK | |
562 |
Gdk::POINTER_MOTION_HINT_MASK, |
563 |
Gdk::Cursor(Gdk::FLEUR), |
564 |
event->time); |
565 |
#else |
566 |
Glib::wrap(event->device, true)->grab(get_window(), |
567 |
Gdk::OWNERSHIP_NONE, |
568 |
false, |
569 |
Gdk::BUTTON_RELEASE_MASK | |
570 |
Gdk::POINTER_MOTION_MASK | |
571 |
Gdk::POINTER_MOTION_HINT_MASK, |
572 |
Gdk::Cursor::create(Gdk::FLEUR), |
573 |
event->time); |
574 |
#endif |
575 |
move.active = true; |
576 |
move.offset = event->x - key_to_x(region->KeyRange.low, w); |
577 |
} |
578 |
} |
579 |
} |
580 |
return true; |
581 |
} |
582 |
|
583 |
gig::Region* RegionChooser::get_region(int key) |
584 |
{ |
585 |
for (gig::Region* r = regions.first() ; r ; r = regions.next()) { |
586 |
if (key < r->KeyRange.low) return 0; |
587 |
if (key <= r->KeyRange.high) return r; |
588 |
} |
589 |
return 0; |
590 |
} |
591 |
|
592 |
void RegionChooser::motion_resize_region(int x, int y) |
593 |
{ |
594 |
const int w = get_width() - 1; |
595 |
|
596 |
int k = int(double(x) / w * 128.0 + 0.5); |
597 |
|
598 |
if (k < resize.min) k = resize.min; |
599 |
else if (k > resize.max) k = resize.max; |
600 |
|
601 |
if (k != resize.pos) { |
602 |
if (resize.mode == resize.undecided) { |
603 |
if (k < resize.pos) { |
604 |
// edit high limit of prev_region |
605 |
resize.max = resize.region->KeyRange.low; |
606 |
resize.region = resize.prev_region; |
607 |
resize.mode = resize.moving_high_limit; |
608 |
} else { |
609 |
// edit low limit of region |
610 |
resize.min = resize.prev_region->KeyRange.high + 1; |
611 |
resize.mode = resize.moving_low_limit; |
612 |
} |
613 |
} |
614 |
resize.pos = k; |
615 |
|
616 |
int x1, x2; |
617 |
if (resize.mode == resize.moving_high_limit) { |
618 |
if (resize.region->KeyRange.high < resize.pos - 1) { |
619 |
x1 = resize.region->KeyRange.high; |
620 |
x2 = resize.pos - 1; |
621 |
} else { |
622 |
x1 = resize.pos - 1; |
623 |
x2 = resize.region->KeyRange.high; |
624 |
} |
625 |
} else { |
626 |
if (resize.region->KeyRange.low < resize.pos) { |
627 |
x1 = resize.region->KeyRange.low; |
628 |
x2 = resize.pos; |
629 |
} else { |
630 |
x1 = resize.pos; |
631 |
x2 = resize.region->KeyRange.low; |
632 |
} |
633 |
} |
634 |
x1 = key_to_x(x1, w); |
635 |
x2 = key_to_x(x2 + 1, w) + 1; |
636 |
Gdk::Rectangle rect(x1, 0, x2 - x1, h1); |
637 |
|
638 |
update_after_resize(); |
639 |
|
640 |
get_window()->invalidate_rect(rect, false); |
641 |
} |
642 |
} |
643 |
|
644 |
void RegionChooser::motion_move_region(int x, int y) |
645 |
{ |
646 |
const int w = get_width() - 1; |
647 |
|
648 |
int l = int(double(x - move.offset) / w * 128.0 + 0.5); |
649 |
|
650 |
if (l == region->KeyRange.low) return; |
651 |
int new_l; |
652 |
int regionsize = region->KeyRange.high - region->KeyRange.low; |
653 |
int a = 0; |
654 |
if (l > region->KeyRange.low) { |
655 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
656 |
if (r != region) { |
657 |
int b = r ? r->KeyRange.low : 128; |
658 |
|
659 |
// gap: from a to b (not inclusive b) |
660 |
|
661 |
if (region->KeyRange.high >= b) { |
662 |
// not found the current gap yet, just continue |
663 |
} else { |
664 |
|
665 |
if (a > l) { |
666 |
// this gap is too far to the right, break |
667 |
break; |
668 |
} |
669 |
|
670 |
int newhigh = std::min(l + regionsize, b - 1); |
671 |
int newlo = newhigh - regionsize; |
672 |
|
673 |
if (newlo >= a) { |
674 |
// yes it fits - it's a candidate |
675 |
new_l = newlo; |
676 |
} |
677 |
} |
678 |
if (!r) break; |
679 |
a = r->KeyRange.high + 1; |
680 |
} |
681 |
} |
682 |
} else { |
683 |
for (gig::Region* r = regions.first() ; ; r = regions.next()) { |
684 |
if (r != region) { |
685 |
int b = r ? r->KeyRange.low : 128; |
686 |
|
687 |
// gap from a to b (not inclusive b) |
688 |
|
689 |
if (l + regionsize >= b) { |
690 |
// not found the current gap yet, just continue |
691 |
} else { |
692 |
|
693 |
if (a > region->KeyRange.low) { |
694 |
// this gap is too far to the right, break |
695 |
break; |
696 |
} |
697 |
|
698 |
int newlo = std::max(l, a); |
699 |
int newhigh = newlo + regionsize; |
700 |
|
701 |
if (newhigh < b) { |
702 |
// yes it fits - break as the first one is the best |
703 |
new_l = newlo; |
704 |
break; |
705 |
} |
706 |
} |
707 |
if (!r) break; |
708 |
a = r->KeyRange.high + 1; |
709 |
} |
710 |
} |
711 |
} |
712 |
if (new_l == region->KeyRange.low) return; |
713 |
|
714 |
int x1 = key_to_x(std::min(int(region->KeyRange.low), new_l), w); |
715 |
int x2 = key_to_x(std::max(int(region->KeyRange.high), |
716 |
new_l + regionsize) + 1, w) + 1; |
717 |
|
718 |
Gdk::Rectangle rect(x1, 0, x2 - x1, h1); |
719 |
update_after_move(new_l); |
720 |
|
721 |
get_window()->invalidate_rect(rect, false); |
722 |
} |
723 |
|
724 |
|
725 |
bool RegionChooser::on_motion_notify_event(GdkEventMotion* event) |
726 |
{ |
727 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
728 |
int x, y; |
729 |
Gdk::ModifierType state = Gdk::ModifierType(0); |
730 |
window->get_pointer(x, y, state); |
731 |
|
732 |
// handle virtual MIDI keyboard |
733 |
if (m_VirtKeybModeChoice.get_value() != VIRT_KEYBOARD_MODE_CHORD && |
734 |
currentActiveKey > 0 && |
735 |
event->y >= REGION_BLOCK_HEIGHT && |
736 |
event->y < REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT) |
737 |
{ |
738 |
const int k = x_to_key(event->x, get_width() - 1); |
739 |
if (k != currentActiveKey) { |
740 |
int velocity = |
741 |
(event->y >= REGION_BLOCK_HEIGHT + KEYBOARD_HEIGHT - 1) ? 127 : |
742 |
int(float(event->y - REGION_BLOCK_HEIGHT) / |
743 |
float(KEYBOARD_HEIGHT) * 128.0f) + 1; |
744 |
if (velocity <= 0) velocity = 1; |
745 |
keyboard_key_released_signal.emit(currentActiveKey, velocity); |
746 |
currentActiveKey = k; |
747 |
keyboard_key_hit_signal.emit(k, velocity); |
748 |
} |
749 |
} |
750 |
|
751 |
if (resize.active) { |
752 |
motion_resize_region(x, y); |
753 |
} else if (move.active) { |
754 |
motion_move_region(x, y); |
755 |
} else { |
756 |
if (is_in_resize_zone(x, y)) { |
757 |
if (!cursor_is_resize) { |
758 |
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
759 |
window->set_cursor(Gdk::Cursor(Gdk::SB_H_DOUBLE_ARROW)); |
760 |
#else |
761 |
window->set_cursor(Gdk::Cursor::create(Gdk::SB_H_DOUBLE_ARROW)); |
762 |
#endif |
763 |
cursor_is_resize = true; |
764 |
} |
765 |
} else if (cursor_is_resize) { |
766 |
window->set_cursor(); |
767 |
cursor_is_resize = false; |
768 |
} |
769 |
} |
770 |
|
771 |
return true; |
772 |
} |
773 |
|
774 |
bool RegionChooser::is_in_resize_zone(double x, double y) { |
775 |
const int w = get_width() - 1; |
776 |
|
777 |
if (instrument && y >= 0 && y <= h1) { |
778 |
gig::Region* prev_region = 0; |
779 |
gig::Region* next_region; |
780 |
for (gig::Region* r = regions.first(); r ; r = next_region) { |
781 |
next_region = regions.next(); |
782 |
|
783 |
int lo = key_to_x(r->KeyRange.low, w); |
784 |
if (x <= lo - 2) break; |
785 |
if (x < lo + 2) { |
786 |
resize.region = r; |
787 |
resize.pos = r->KeyRange.low; |
788 |
resize.max = r->KeyRange.high; |
789 |
|
790 |
if (prev_region && prev_region->KeyRange.high + 1 == r->KeyRange.low) { |
791 |
// we don't know yet if it's the high limit of |
792 |
// prev_region or the low limit of r that's going |
793 |
// to be edited |
794 |
resize.mode = resize.undecided; |
795 |
resize.min = prev_region->KeyRange.low + 1; |
796 |
resize.prev_region = prev_region; |
797 |
return resize.min != resize.max; |
798 |
} |
799 |
|
800 |
// edit low limit |
801 |
resize.mode = resize.moving_low_limit; |
802 |
resize.min = prev_region ? prev_region->KeyRange.high + 1 : 0; |
803 |
return resize.min != resize.max; |
804 |
} |
805 |
if (!next_region || r->KeyRange.high + 1 != next_region->KeyRange.low) { |
806 |
int hi = key_to_x(r->KeyRange.high + 1, w); |
807 |
if (x <= hi - 2) break; |
808 |
if (x < hi + 2) { |
809 |
// edit high limit |
810 |
resize.region = r; |
811 |
resize.pos = r->KeyRange.high + 1; |
812 |
resize.mode = resize.moving_high_limit; |
813 |
resize.min = r->KeyRange.low + 1; |
814 |
resize.max = next_region ? next_region->KeyRange.low : 128; |
815 |
return resize.min != resize.max; |
816 |
} |
817 |
} |
818 |
prev_region = r; |
819 |
} |
820 |
} |
821 |
return false; |
822 |
} |
823 |
|
824 |
sigc::signal<void>& RegionChooser::signal_region_selected() |
825 |
{ |
826 |
return region_selected; |
827 |
} |
828 |
|
829 |
sigc::signal<void>& RegionChooser::signal_instrument_changed() |
830 |
{ |
831 |
return instrument_changed; |
832 |
} |
833 |
|
834 |
void RegionChooser::show_region_properties() |
835 |
{ |
836 |
if (!region) return; |
837 |
Gtk::Dialog dialog(_("Region Properties"), true /*modal*/); |
838 |
// add "Keygroup" checkbox |
839 |
Gtk::CheckButton checkBoxKeygroup(_("Member of a Keygroup (Exclusive Group)")); |
840 |
checkBoxKeygroup.set_active(region->KeyGroup); |
841 |
dialog.get_vbox()->pack_start(checkBoxKeygroup); |
842 |
checkBoxKeygroup.show(); |
843 |
// add "Keygroup" spinbox |
844 |
#if (GTKMM_MAJOR_VERSION == 2 && GTKMM_MINOR_VERSION < 90) || GTKMM_MAJOR_VERSION < 2 |
845 |
Gtk::Adjustment adjustment(1, 1, 999); |
846 |
Gtk::SpinButton spinBox(adjustment); |
847 |
#else |
848 |
Gtk::SpinButton spinBox(Gtk::Adjustment::create(1, 1, 999)); |
849 |
#endif |
850 |
if (region->KeyGroup) spinBox.set_value(region->KeyGroup); |
851 |
dialog.get_vbox()->pack_start(spinBox); |
852 |
spinBox.show(); |
853 |
// add OK and CANCEL buttons to the dialog |
854 |
dialog.add_button(Gtk::Stock::OK, 0); |
855 |
dialog.add_button(Gtk::Stock::CANCEL, 1); |
856 |
dialog.show_all_children(); |
857 |
if (!dialog.run()) { // OK selected ... |
858 |
region->KeyGroup = |
859 |
(checkBoxKeygroup.get_active()) ? spinBox.get_value_as_int() : 0; |
860 |
} |
861 |
} |
862 |
|
863 |
void RegionChooser::add_region() |
864 |
{ |
865 |
instrument_struct_to_be_changed_signal.emit(instrument); |
866 |
|
867 |
region = instrument->AddRegion(); |
868 |
region->SetKeyRange(new_region_pos, new_region_pos); |
869 |
|
870 |
instrument_struct_changed_signal.emit(instrument); |
871 |
regions.update(instrument); |
872 |
|
873 |
queue_draw(); |
874 |
region_selected(); |
875 |
dimensionManager.set_region(region); |
876 |
instrument_changed(); |
877 |
} |
878 |
|
879 |
void RegionChooser::delete_region() |
880 |
{ |
881 |
instrument_struct_to_be_changed_signal.emit(instrument); |
882 |
instrument->DeleteRegion(region); |
883 |
instrument_struct_changed_signal.emit(instrument); |
884 |
regions.update(instrument); |
885 |
|
886 |
region = 0; |
887 |
queue_draw(); |
888 |
region_selected(); |
889 |
dimensionManager.set_region(region); |
890 |
instrument_changed(); |
891 |
} |
892 |
|
893 |
void RegionChooser::manage_dimensions() |
894 |
{ |
895 |
gig::Region* region = get_region(); |
896 |
if (!region) return; |
897 |
dimensionManager.show(region); |
898 |
} |
899 |
|
900 |
void RegionChooser::on_dimension_manager_changed() { |
901 |
region_selected(); |
902 |
instrument_changed(); |
903 |
} |
904 |
|
905 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_to_be_changed() { |
906 |
return instrument_struct_to_be_changed_signal; |
907 |
} |
908 |
|
909 |
sigc::signal<void, gig::Instrument*>& RegionChooser::signal_instrument_struct_changed() { |
910 |
return instrument_struct_changed_signal; |
911 |
} |
912 |
|
913 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_to_be_changed() { |
914 |
return region_to_be_changed_signal; |
915 |
} |
916 |
|
917 |
sigc::signal<void, gig::Region*>& RegionChooser::signal_region_changed_signal() { |
918 |
return region_changed_signal; |
919 |
} |
920 |
|
921 |
sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_hit() { |
922 |
return keyboard_key_hit_signal; |
923 |
} |
924 |
|
925 |
sigc::signal<void, int/*key*/, int/*velocity*/>& RegionChooser::signal_keyboard_key_released() { |
926 |
return keyboard_key_released_signal; |
927 |
} |