/* Copyright (C) 2001 Paul Davis This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include "ardour/tempo.h" #include "ardour/profile.h" #include "canvas/rectangle.h" #include "canvas/container.h" #include "canvas/line.h" #include "canvas/polygon.h" #include "canvas/text.h" #include "canvas/canvas.h" #include "canvas/scroll_group.h" #include "canvas/utils.h" #include "canvas/debug.h" #include "ardour_ui.h" /* * ardour_ui.h include was moved to the top of the list * due to a conflicting definition of 'Rect' between * Apple's MacTypes.h and GTK. */ #include "marker.h" #include "public_editor.h" #include "utils.h" #include "rgb_macros.h" #include #include "i18n.h" using namespace std; using namespace ARDOUR; using namespace ARDOUR_UI_UTILS; using namespace Gtkmm2ext; PBD::Signal1 Marker::CatchDeletion; const double Marker::_marker_height = 17.0; const char * Marker::default_new_marker_prefix = N_("MARKER"); static const double name_padding = 10.0; Marker::Marker (PublicEditor& ed, ArdourCanvas::Container& parent, guint32 rgba, const string& annotation, Type type, framepos_t start_pos, bool handle_events, framepos_t end_pos) : editor (ed) , _parent (&parent) , group (0) , mark (0) , _name_item (0) , _track_canvas_line (0) , _scene_change_rect (0) , _scene_change_text (0) , frame_position (start_pos) , end_frame (end_pos) , _type (type) , _selected (false) , _shown (false) , _line_shown (false) , _color (rgba) , _left_label_limit (DBL_MAX) , _right_label_limit (DBL_MAX) , _label_offset (0) , _have_scene_change (false) { if (end_frame >= 0 && (end_frame < frame_position)) { swap (end_frame, frame_position); } unit_position = editor.sample_to_pixel (frame_position); unit_position -= _shift; group = new ArdourCanvas::Container (&parent, ArdourCanvas::Duple (unit_position, 0)); CANVAS_DEBUG_NAME (group, string_compose ("Marker::group for %1", annotation)); _name_background = new ArdourCanvas::Rectangle (group); CANVAS_DEBUG_NAME (_name_background, string_compose ("Marker::_name_background for %1", annotation)); if (!ARDOUR::Profile->get_trx()) { add_polygon (type); CANVAS_DEBUG_NAME (mark, string_compose ("Marker::mark for %1", annotation)); } else { _label_offset = name_padding; } set_color_rgba (rgba); if (type == Mark || type == Skip) { _line_shown = true; } /* setup name pixbuf sizes */ name_font = Pango::FontDescription (ARDOUR_UI::config()->get_canvasvar_SmallFont()); Gtk::Label foo; Glib::RefPtr layout = foo.create_pango_layout (X_("Hg")); /* ascender + descender */ int width; layout->set_font_description (name_font); Gtkmm2ext::get_ink_pixel_size (layout, width, name_height); _name_item = new ArdourCanvas::Text (group); CANVAS_DEBUG_NAME (_name_item, string_compose ("Marker::_name_item for %1", annotation)); _name_item->set_font_description (name_font); /* white with 95% opacity */ _name_item->set_color (ArdourCanvas::rgba_to_color (1.0,1.0,1.0,0.95)); _name_item->set_position (ArdourCanvas::Duple (_label_offset, (_marker_height / 2.0) - (name_height / 2.0))); set_name (annotation.c_str()); editor.ZoomChanged.connect (sigc::mem_fun (*this, &Marker::reposition)); /* events will be handled by both the group and the mark itself, so * make sure they can both be used to lookup this object. */ group->set_data ("marker", this); if (mark) { mark->set_data ("marker", this); } if (handle_events) { group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this)); } } Marker::~Marker () { CatchDeletion (this); /* EMIT SIGNAL */ /* destroying the parent group destroys its contents, namely any polygons etc. that we added */ delete group; delete _track_canvas_line; } void Marker::add_polygon (Type type) { boost::scoped_ptr points (new ArdourCanvas::Points()); /* Shapes we use: Mark: (0,0) -> (6,0) ^ | | V (0,5) (6,5) \ / (3,_marker_height) TempoMark: MeterMark: (3,0) / \ (0,5) -> (6,5) ^ | | V (0,10)<-(6,10) Start: 0,0\ | \ | \ 6,6 | / | / 0,12 End: /12,0 / | / | 6,6 | \ | \ | \ | 12,12 PunchIn: 0,0 ------> _marker_height,0 | / | / | / | / | / | / 0,_marker_height PunchOut 0,0 -->-_marker_height,0 \ | \ | \ | \ | \ | \ | _marker_height,_marker_height */ switch (type) { case Skip: /*NOTREACHED*/ break; case Mark: points->push_back (ArdourCanvas::Duple (0.0, 0.0)); points->push_back (ArdourCanvas::Duple (6.0, 0.0)); points->push_back (ArdourCanvas::Duple (6.0, 5.0)); points->push_back (ArdourCanvas::Duple (3.0, _marker_height)); points->push_back (ArdourCanvas::Duple (0.0, 5.0)); points->push_back (ArdourCanvas::Duple (0.0, 0.0)); _shift = 3; _label_offset = 8.0; break; case Tempo: case Meter: points->push_back (ArdourCanvas::Duple (3.0, 0.0)); points->push_back (ArdourCanvas::Duple (6.0, 5.0)); points->push_back (ArdourCanvas::Duple (6.0, 10.0)); points->push_back (ArdourCanvas::Duple (0.0, 10.0)); points->push_back (ArdourCanvas::Duple (0.0, 5.0)); points->push_back (ArdourCanvas::Duple (3.0, 0.0)); _shift = 3; _label_offset = 8.0; break; case SessionStart: case RangeStart: points->push_back (ArdourCanvas::Duple (0.0, 0.0)); points->push_back (ArdourCanvas::Duple (6.5, 6.5)); points->push_back (ArdourCanvas::Duple (0.0, _marker_height)); points->push_back (ArdourCanvas::Duple (0.0, 0.0)); _shift = 0; _label_offset = _marker_height; break; case SessionEnd: case RangeEnd: points->push_back (ArdourCanvas::Duple (6.5, 6.5)); points->push_back (ArdourCanvas::Duple (_marker_height, 0.0)); points->push_back (ArdourCanvas::Duple (_marker_height, _marker_height)); points->push_back (ArdourCanvas::Duple (6.5, 6.5)); _shift = _marker_height; _label_offset = 6.0; break; case LoopStart: points->push_back (ArdourCanvas::Duple (0.0, 0.0)); points->push_back (ArdourCanvas::Duple (_marker_height, _marker_height)); points->push_back (ArdourCanvas::Duple (0.0, _marker_height)); points->push_back (ArdourCanvas::Duple (0.0, 0.0)); _shift = 0; _label_offset = 12.0; break; case LoopEnd: points->push_back (ArdourCanvas::Duple (_marker_height, 0.0)); points->push_back (ArdourCanvas::Duple (_marker_height, _marker_height)); points->push_back (ArdourCanvas::Duple (0.0, _marker_height)); points->push_back (ArdourCanvas::Duple (_marker_height, 0.0)); _shift = _marker_height; _label_offset = 0.0; break; case PunchIn: points->push_back (ArdourCanvas::Duple (0.0, 0.0)); points->push_back (ArdourCanvas::Duple (_marker_height, 0.0)); points->push_back (ArdourCanvas::Duple (0.0, _marker_height)); points->push_back (ArdourCanvas::Duple (0.0, 0.0)); _shift = 0; _label_offset = _marker_height; break; case PunchOut: points->push_back (ArdourCanvas::Duple (0.0, 0.0)); points->push_back (ArdourCanvas::Duple (12.0, 0.0)); points->push_back (ArdourCanvas::Duple (12.0, 12.0)); points->push_back (ArdourCanvas::Duple (0.0, 0.0)); _shift = _marker_height; _label_offset = 0.0; break; } mark = new ArdourCanvas::Polygon (group); mark->set (*points); } void Marker::reparent(ArdourCanvas::Container & parent) { group->reparent (&parent); _parent = &parent; } void Marker::set_selected (bool s) { _selected = s; setup_line (); } void Marker::set_show_line (bool s) { _line_shown = s; setup_line (); } void Marker::setup_line () { if ((Profile->get_trx() && (_type == Skip || _type == Mark)) || (_shown && ((!Profile->get_trx() && _selected) || _line_shown))) { if (_track_canvas_line == 0) { _track_canvas_line = new ArdourCanvas::Line (editor.get_hscroll_group()); _track_canvas_line->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this)); } ArdourCanvas::Duple g = group->canvas_origin(); ArdourCanvas::Duple d = _track_canvas_line->canvas_to_item (ArdourCanvas::Duple (g.x + _shift, 0)); _track_canvas_line->set_x0 (d.x); _track_canvas_line->set_x1 (d.x); _track_canvas_line->set_y0 (_marker_height); _track_canvas_line->set_y1 (ArdourCanvas::COORD_MAX); if (ARDOUR::Profile->get_trx()) { _track_canvas_line->set_outline_color (_color); } else { _track_canvas_line->set_outline_color (_selected ? ARDOUR_UI::config()->get_canvasvar_EditPoint() : _color); } _track_canvas_line->raise_to_top (); _track_canvas_line->show (); } else { if (_track_canvas_line) { _track_canvas_line->hide (); } } } void Marker::canvas_height_set (double h) { _canvas_height = h; setup_line (); } ArdourCanvas::Item& Marker::the_item() const { return *group; } void Marker::set_name (const string& new_name) { _name = new_name; setup_name_display (); } /** @return true if our label is on the left of the mark, otherwise false */ bool Marker::label_on_left () const { return (_type == SessionEnd || _type == RangeEnd || _type == LoopEnd || _type == PunchOut); } void Marker::setup_name_display () { double limit = DBL_MAX; if (label_on_left ()) { limit = _left_label_limit; } else { limit = _right_label_limit; } /* Work out how wide the name can be */ int name_width; string text = _name; int scene_change_width = 0.0; if (_have_scene_change) { /* coordinates of rect that will surround "MIDI" */ ArdourCanvas::Rect r; int midi_height; pixel_size (X_("MIDI"), name_font, name_width, midi_height); r.x0 = 2.0; r.x1 = r.x1 + name_width + 7.0; if (_scene_change_text == 0) { _scene_change_rect = new ArdourCanvas::Rectangle (group); _scene_change_text = new ArdourCanvas::Text (group); /* move name label over */ _label_offset += r.x1; } /* white with 95% opacity */ _scene_change_rect->set_outline_color (ArdourCanvas::rgba_to_color (1.0, 1.0, 1.0, 0.95)); _scene_change_rect->set_fill (false); _scene_change_text->set_font_description (name_font); _scene_change_text->set_color (ArdourCanvas::rgba_to_color (1.0, 1.0, 1.0, 0.95)); _scene_change_text->set (X_("MIDI")); /* 4 pixels left margin, place it in the vertical middle. */ _scene_change_text->set_position (ArdourCanvas::Duple (4.0, (_marker_height / 2.0) - (name_height / 2.0))); r.y0 = _scene_change_text->position().y - 2.0; r.y1 = r.y0 + name_height + 4.0; _scene_change_rect->set (r); scene_change_width = r.x1; } else { if (_scene_change_text) { delete _scene_change_text; delete _scene_change_rect; _scene_change_text = 0; _scene_change_rect = 0; } } if (ARDOUR::Profile->get_trx()) { name_width = min ((double) pixel_width (_name, name_font) + (2 * name_padding), limit); } else { name_width = min ((double) pixel_width (_name, name_font) + 2, limit); } if (name_width == 0) { _name_item->hide (); } else { _name_item->show (); if (ARDOUR::Profile->get_trx()) { _name_item->set_x_position (_label_offset); } else { if (label_on_left ()) { _name_item->set_x_position (-name_width); } } _name_item->clamp_width (name_width); _name_item->set (_name); if (_type == Skip) { /* fully span the extent between frame_position + end_frame */ _name_background->set_x0 (_name_item->position().x - _label_offset); _name_background->set_x1 (_name_background->x0() + editor.sample_to_pixel (end_frame - frame_position)); } else { if (ARDOUR::Profile->get_trx()) { _name_background->set_x0 (_name_item->position().x - _label_offset); _name_background->set_x1 (_name_item->position().x - _label_offset + name_width + scene_change_width); } else { if (label_on_left ()) { _name_background->set_x0 (_name_item->position().x - 2); _name_background->set_x1 (_name_item->position().x + name_width + _shift + scene_change_width); } else { _name_background->set_x0 (_name_item->position().x - _label_offset + 2); _name_background->set_x1 (_name_item->position().x + name_width + scene_change_width); } } } } _name_background->set_y0 (0); _name_background->set_y1 (_marker_height + 1.0); } void Marker::set_position (framepos_t frame) { unit_position = editor.sample_to_pixel (frame) - _shift; group->set_x_position (unit_position); setup_line (); frame_position = frame; } void Marker::reposition () { set_position (frame_position); } void Marker::show () { _shown = true; group->show (); setup_line (); } void Marker::hide () { _shown = false; group->hide (); setup_line (); } void Marker::set_color_rgba (uint32_t c) { _color = c; if (mark) { mark->set_fill_color (_color); mark->set_outline_color (_color); } if (_track_canvas_line && !_selected) { _track_canvas_line->set_outline_color (_color); } _name_background->set_fill (true); _name_background->set_fill_color (UINT_RGBA_CHANGE_A (_color, 0x70)); /* white with 20% opacity */ _name_background->set_outline_color (ArdourCanvas::rgba_to_color (1.0, 1.0, 1.0, 0.20)); if (ARDOUR::Profile->get_trx()) { _name_background->set_outline_what (ArdourCanvas::Rectangle::What (ArdourCanvas::Rectangle::TOP| ArdourCanvas::Rectangle::LEFT| ArdourCanvas::Rectangle::RIGHT)); } } /** Set the number of pixels that are available for a label to the left of the centre of this marker */ void Marker::set_left_label_limit (double p) { /* Account for the size of the marker */ _left_label_limit = p - _marker_height; if (_left_label_limit < 0) { _left_label_limit = 0; } if (label_on_left ()) { setup_name_display (); } } /** Set the number of pixels that are available for a label to the right of the centre of this marker */ void Marker::set_right_label_limit (double p) { /* Account for the size of the marker */ _right_label_limit = p - _marker_height; if (_right_label_limit < 0) { _right_label_limit = 0; } if (!label_on_left ()) { setup_name_display (); } } void Marker::set_has_scene_change (bool yn) { _have_scene_change = yn; setup_name_display (); } /***********************************************************************/ TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Container& parent, guint32 rgba, const string& text, ARDOUR::TempoSection& temp) : Marker (editor, parent, rgba, text, Tempo, 0, false), _tempo (temp) { set_position (_tempo.frame()); group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), group, this)); } TempoMarker::~TempoMarker () { } /***********************************************************************/ MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Container& parent, guint32 rgba, const string& text, ARDOUR::MeterSection& m) : Marker (editor, parent, rgba, text, Meter, 0, false), _meter (m) { set_position (_meter.frame()); group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_meter_marker_event), group, this)); } MeterMarker::~MeterMarker () { }