Paul Davis
18b18a45a5
git-svn-id: svn://localhost/ardour2/branches/3.0@12202 d708f5d6-7413-0410-9779-e7cbd77b26cf
971 lines
23 KiB
C++
971 lines
23 KiB
C++
/*
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Copyright (C) 2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "pbd/error.h"
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#include "pbd/stacktrace.h"
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#include "ardour/types.h"
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#include "ardour/ardour.h"
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#include "gtkmm2ext/utils.h"
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#include "gtkmm2ext/gui_thread.h"
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#include "ardour_ui.h"
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/*
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* ardour_ui.h was moved up in the include list
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* due to a conflicting definition of 'Rect' between
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* Apple's MacTypes.h file and GTK
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*/
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#include "public_editor.h"
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#include "time_axis_view_item.h"
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#include "time_axis_view.h"
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#include "simplerect.h"
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#include "utils.h"
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#include "canvas_impl.h"
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#include "rgb_macros.h"
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#include "i18n.h"
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using namespace std;
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using namespace Editing;
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using namespace Glib;
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using namespace PBD;
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using namespace ARDOUR;
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using namespace Gtkmm2ext;
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Pango::FontDescription TimeAxisViewItem::NAME_FONT;
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const double TimeAxisViewItem::NAME_X_OFFSET = 15.0;
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const double TimeAxisViewItem::GRAB_HANDLE_TOP = 6;
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const double TimeAxisViewItem::GRAB_HANDLE_WIDTH = 5;
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int TimeAxisViewItem::NAME_HEIGHT;
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double TimeAxisViewItem::NAME_Y_OFFSET;
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double TimeAxisViewItem::NAME_HIGHLIGHT_SIZE;
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double TimeAxisViewItem::NAME_HIGHLIGHT_THRESH;
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void
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TimeAxisViewItem::set_constant_heights ()
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{
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NAME_FONT = get_font_for_style (X_("TimeAxisViewItemName"));
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Gtk::Window win;
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Gtk::Label foo;
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win.add (foo);
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Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout (X_("Hg")); /* ascender + descender */
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int width = 0;
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int height = 0;
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layout->set_font_description (NAME_FONT);
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Gtkmm2ext::get_ink_pixel_size (layout, width, height);
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NAME_HEIGHT = height;
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NAME_Y_OFFSET = height + 3;
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NAME_HIGHLIGHT_SIZE = height + 2;
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NAME_HIGHLIGHT_THRESH = NAME_HIGHLIGHT_SIZE * 3;
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}
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/**
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* Construct a new TimeAxisViewItem.
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*
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* @param it_name the unique name of this item
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* @param parent the parent canvas group
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* @param tv the TimeAxisView we are going to be added to
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* @param spu samples per unit
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* @param base_color
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* @param start the start point of this item
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* @param duration the duration of this item
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* @param recording true if this is a recording region view
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* @param automation true if this is an automation region view
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*/
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TimeAxisViewItem::TimeAxisViewItem(
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const string & it_name, ArdourCanvas::Group& parent, TimeAxisView& tv, double spu, Gdk::Color const & base_color,
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framepos_t start, framecnt_t duration, bool recording, bool automation, Visibility vis
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)
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: trackview (tv)
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, _height (1.0)
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, _recregion (recording)
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, _automation (automation)
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, _dragging (false)
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{
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group = new ArdourCanvas::Group (parent);
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init (it_name, spu, base_color, start, duration, vis, true, true);
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}
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TimeAxisViewItem::TimeAxisViewItem (const TimeAxisViewItem& other)
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: trackable (other)
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, Selectable (other)
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, PBD::ScopedConnectionList()
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, trackview (other.trackview)
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, _recregion (other._recregion)
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, _automation (other._automation)
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, _dragging (other._dragging)
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{
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Gdk::Color c;
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int r,g,b,a;
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UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
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c.set_rgb_p (r/255.0, g/255.0, b/255.0);
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/* share the other's parent, but still create a new group */
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Gnome::Canvas::Group* parent = other.group->property_parent();
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group = new ArdourCanvas::Group (*parent);
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_selected = other._selected;
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init (other.item_name, other.samples_per_unit, c, other.frame_position,
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other.item_duration, other.visibility, other.wide_enough_for_name, other.high_enough_for_name);
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}
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void
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TimeAxisViewItem::init (
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const string& it_name, double spu, Gdk::Color const & base_color, framepos_t start, framepos_t duration, Visibility vis, bool wide, bool high)
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{
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item_name = it_name;
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samples_per_unit = spu;
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frame_position = start;
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item_duration = duration;
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name_connected = false;
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fill_opacity = 60;
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position_locked = false;
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max_item_duration = ARDOUR::max_framepos;
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min_item_duration = 0;
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show_vestigial = true;
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visibility = vis;
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_sensitive = true;
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name_pixbuf_width = 0;
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last_item_width = 0;
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wide_enough_for_name = wide;
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high_enough_for_name = high;
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rect_visible = true;
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if (duration == 0) {
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warning << "Time Axis Item Duration == 0" << endl;
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}
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vestigial_frame = new ArdourCanvas::SimpleRect (*group, 0.0, 1.0, 2.0, trackview.current_height());
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vestigial_frame->hide ();
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vestigial_frame->property_outline_what() = 0xF;
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vestigial_frame->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_VestigialFrame.get();
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vestigial_frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VestigialFrame.get();
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if (visibility & ShowFrame) {
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frame = new ArdourCanvas::SimpleRect (*group, 0.0, 1.0, trackview.editor().frame_to_pixel(duration), trackview.current_height());
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frame->property_outline_pixels() = 1;
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frame->property_outline_what() = 0xF;
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if (_recregion) {
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frame->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
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} else {
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frame->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
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}
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frame->property_outline_what() = 0x1|0x2|0x4|0x8;
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} else {
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frame = 0;
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}
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if (visibility & ShowNameHighlight) {
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if (visibility & FullWidthNameHighlight) {
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name_highlight = new ArdourCanvas::SimpleRect (*group, 0.0, trackview.editor().frame_to_pixel(item_duration), trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE, trackview.current_height());
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} else {
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name_highlight = new ArdourCanvas::SimpleRect (*group, 1.0, trackview.editor().frame_to_pixel(item_duration) - 1, trackview.current_height() - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE, trackview.current_height());
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}
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name_highlight->set_data ("timeaxisviewitem", this);
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name_highlight->property_outline_what() = 0x4;
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/* we should really use a canvas color property here */
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name_highlight->property_outline_color_rgba() = RGBA_TO_UINT (0,0,0,255);
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} else {
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name_highlight = 0;
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}
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if (visibility & ShowNameText) {
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name_pixbuf = new ArdourCanvas::Pixbuf(*group);
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name_pixbuf->property_x() = NAME_X_OFFSET;
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name_pixbuf->property_y() = trackview.current_height() + 1 - NAME_Y_OFFSET;
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} else {
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name_pixbuf = 0;
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}
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/* create our grab handles used for trimming/duration etc */
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if (!_recregion && !_automation) {
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double top = TimeAxisViewItem::GRAB_HANDLE_TOP;
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double width = TimeAxisViewItem::GRAB_HANDLE_WIDTH;
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frame_handle_start = new ArdourCanvas::SimpleRect (*group, 0.0, top, width, trackview.current_height());
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frame_handle_start->property_outline_what() = 0x0;
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frame_handle_end = new ArdourCanvas::SimpleRect (*group, 0.0, top, width, trackview.current_height());
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frame_handle_end->property_outline_what() = 0x0;
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} else {
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frame_handle_start = frame_handle_end = 0;
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}
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set_color (base_color);
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set_duration (item_duration, this);
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set_position (start, this);
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Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&TimeAxisViewItem::parameter_changed, this, _1), gui_context ());
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}
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TimeAxisViewItem::~TimeAxisViewItem()
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{
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delete group;
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}
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void
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TimeAxisViewItem::hide_rect ()
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{
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rect_visible = false;
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set_frame_color ();
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if (name_highlight) {
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name_highlight->property_outline_what() = 0x0;
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name_highlight->property_fill_color_rgba() = UINT_RGBA_CHANGE_A(fill_color,64);
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}
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}
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void
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TimeAxisViewItem::show_rect ()
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{
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rect_visible = true;
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set_frame_color ();
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if (name_highlight) {
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name_highlight->property_outline_what() = 0x4;
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name_highlight->property_fill_color_rgba() = fill_color;
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}
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}
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/**
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* Set the position of this item on the timeline.
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*
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* @param pos the new position
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* @param src the identity of the object that initiated the change
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* @return true on success
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*/
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bool
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TimeAxisViewItem::set_position(framepos_t pos, void* src, double* delta)
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{
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if (position_locked) {
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return false;
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}
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frame_position = pos;
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/* This sucks. The GnomeCanvas version I am using
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doesn't correctly implement gnome_canvas_group_set_arg(),
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so that simply setting the "x" arg of the group
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fails to move the group. Instead, we have to
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use gnome_canvas_item_move(), which does the right
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thing. I see that in GNOME CVS, the current (Sept 2001)
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version of GNOME Canvas rectifies this issue cleanly.
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*/
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double old_unit_pos;
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double new_unit_pos = pos / samples_per_unit;
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old_unit_pos = group->property_x();
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if (new_unit_pos != old_unit_pos) {
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group->move (new_unit_pos - old_unit_pos, 0.0);
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}
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if (delta) {
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(*delta) = new_unit_pos - old_unit_pos;
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}
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PositionChanged (frame_position, src); /* EMIT_SIGNAL */
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return true;
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}
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/** @return position of this item on the timeline */
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framepos_t
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TimeAxisViewItem::get_position() const
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{
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return frame_position;
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}
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/**
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* Set the duration of this item.
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*
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* @param dur the new duration of this item
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* @param src the identity of the object that initiated the change
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* @return true on success
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*/
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bool
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TimeAxisViewItem::set_duration (framecnt_t dur, void* src)
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{
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if ((dur > max_item_duration) || (dur < min_item_duration)) {
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warning << string_compose (_("new duration %1 frames is out of bounds for %2"), get_item_name(), dur)
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<< endmsg;
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return false;
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}
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if (dur == 0) {
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group->hide();
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}
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item_duration = dur;
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reset_width_dependent_items (trackview.editor().frame_to_pixel (dur));
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DurationChanged (dur, src); /* EMIT_SIGNAL */
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return true;
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}
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/** @return duration of this item */
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framepos_t
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TimeAxisViewItem::get_duration() const
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{
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return item_duration;
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}
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/**
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* Set the maximum duration that this item can have.
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*
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* @param dur the new maximum duration
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* @param src the identity of the object that initiated the change
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*/
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void
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TimeAxisViewItem::set_max_duration(framecnt_t dur, void* src)
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{
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max_item_duration = dur;
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MaxDurationChanged(max_item_duration, src); /* EMIT_SIGNAL */
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}
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/** @return the maximum duration that this item may have */
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framecnt_t
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TimeAxisViewItem::get_max_duration() const
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{
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return max_item_duration;
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}
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/**
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* Set the minimum duration that this item may have.
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*
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* @param the minimum duration that this item may be set to
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* @param src the identity of the object that initiated the change
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*/
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void
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TimeAxisViewItem::set_min_duration(framecnt_t dur, void* src)
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{
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min_item_duration = dur;
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MinDurationChanged(max_item_duration, src); /* EMIT_SIGNAL */
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}
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/** @return the minimum duration that this item mey have */
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framecnt_t
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TimeAxisViewItem::get_min_duration() const
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{
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return min_item_duration;
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}
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/**
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* Set whether this item is locked to its current position.
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* Locked items cannot be moved until the item is unlocked again.
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*
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* @param yn true to lock this item to its current position
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* @param src the identity of the object that initiated the change
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*/
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void
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TimeAxisViewItem::set_position_locked(bool yn, void* src)
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{
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position_locked = yn;
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set_trim_handle_colors();
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PositionLockChanged (position_locked, src); /* EMIT_SIGNAL */
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}
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/** @return true if this item is locked to its current position */
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bool
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TimeAxisViewItem::get_position_locked() const
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{
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return position_locked;
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}
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/**
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* Set whether the maximum duration constraint is active.
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*
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* @param active set true to enforce the max duration constraint
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* @param src the identity of the object that initiated the change
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*/
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void
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TimeAxisViewItem::set_max_duration_active (bool active, void* /*src*/)
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{
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max_duration_active = active;
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}
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/** @return true if the maximum duration constraint is active */
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bool
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TimeAxisViewItem::get_max_duration_active() const
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{
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return max_duration_active;
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}
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/**
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* Set whether the minimum duration constraint is active.
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*
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* @param active set true to enforce the min duration constraint
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* @param src the identity of the object that initiated the change
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*/
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void
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TimeAxisViewItem::set_min_duration_active (bool active, void* /*src*/)
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{
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min_duration_active = active;
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}
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/** @return true if the maximum duration constraint is active */
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bool
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TimeAxisViewItem::get_min_duration_active() const
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{
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return min_duration_active;
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}
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/**
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* Set the name of this item.
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*
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* @param new_name the new name of this item
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* @param src the identity of the object that initiated the change
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*/
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void
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TimeAxisViewItem::set_item_name(std::string new_name, void* src)
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{
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if (new_name != item_name) {
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std::string temp_name = item_name;
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item_name = new_name;
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NameChanged (item_name, temp_name, src); /* EMIT_SIGNAL */
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}
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}
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/** @return the name of this item */
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std::string
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TimeAxisViewItem::get_item_name() const
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{
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return item_name;
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}
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/**
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* Set selection status.
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*
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* @param yn true if this item is currently selected
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*/
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void
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TimeAxisViewItem::set_selected(bool yn)
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{
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if (_selected != yn) {
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Selectable::set_selected (yn);
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set_frame_color ();
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}
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}
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/** @return the TimeAxisView that this item is on */
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TimeAxisView&
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TimeAxisViewItem::get_time_axis_view () const
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{
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return trackview;
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}
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/**
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* Set the displayed item text.
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* This item is the visual text name displayed on the canvas item, this can be different to the name of the item.
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*
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* @param new_name the new name text to display
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*/
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void
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TimeAxisViewItem::set_name_text(const string& new_name)
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{
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if (!name_pixbuf) {
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return;
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}
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last_item_width = trackview.editor().frame_to_pixel(item_duration);
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name_pixbuf_width = pixel_width (new_name, NAME_FONT) + 2;
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name_pixbuf->property_pixbuf() = pixbuf_from_string(new_name, NAME_FONT, name_pixbuf_width, NAME_HEIGHT, Gdk::Color ("#000000"));
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}
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/**
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* Set the height of this item.
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*
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* @param h new height
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*/
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void
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TimeAxisViewItem::set_height (double height)
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{
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_height = height;
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if (name_highlight) {
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if (height < NAME_HIGHLIGHT_THRESH) {
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name_highlight->hide ();
|
|
high_enough_for_name = false;
|
|
|
|
} else {
|
|
name_highlight->show();
|
|
high_enough_for_name = true;
|
|
}
|
|
|
|
if (height > NAME_HIGHLIGHT_SIZE) {
|
|
name_highlight->property_y1() = (double) height - 1 - NAME_HIGHLIGHT_SIZE;
|
|
name_highlight->property_y2() = (double) height - 1;
|
|
}
|
|
else {
|
|
/* it gets hidden now anyway */
|
|
name_highlight->property_y1() = (double) 1.0;
|
|
name_highlight->property_y2() = (double) height;
|
|
}
|
|
}
|
|
|
|
if (visibility & ShowNameText) {
|
|
name_pixbuf->property_y() = height + 1 - NAME_Y_OFFSET;
|
|
}
|
|
|
|
if (frame) {
|
|
frame->property_y2() = height - 1;
|
|
if (frame_handle_start) {
|
|
frame_handle_start->property_y2() = height - 1;
|
|
frame_handle_end->property_y2() = height - 1;
|
|
}
|
|
}
|
|
|
|
vestigial_frame->property_y2() = height - 1;
|
|
|
|
update_name_pixbuf_visibility ();
|
|
set_colors ();
|
|
}
|
|
|
|
void
|
|
TimeAxisViewItem::set_color (Gdk::Color const & base_color)
|
|
{
|
|
compute_colors (base_color);
|
|
set_colors ();
|
|
}
|
|
|
|
ArdourCanvas::Item*
|
|
TimeAxisViewItem::get_canvas_frame()
|
|
{
|
|
return frame;
|
|
}
|
|
|
|
ArdourCanvas::Group*
|
|
TimeAxisViewItem::get_canvas_group()
|
|
{
|
|
return group;
|
|
}
|
|
|
|
ArdourCanvas::Item*
|
|
TimeAxisViewItem::get_name_highlight()
|
|
{
|
|
return name_highlight;
|
|
}
|
|
|
|
ArdourCanvas::Pixbuf*
|
|
TimeAxisViewItem::get_name_pixbuf()
|
|
{
|
|
return name_pixbuf;
|
|
}
|
|
|
|
/**
|
|
* Calculate some contrasting color for displaying various parts of this item, based upon the base color.
|
|
*
|
|
* @param color the base color of the item
|
|
*/
|
|
void
|
|
TimeAxisViewItem::compute_colors (Gdk::Color const & base_color)
|
|
{
|
|
unsigned char radius;
|
|
char minor_shift;
|
|
|
|
unsigned char r,g,b;
|
|
|
|
/* FILL: this is simple */
|
|
r = base_color.get_red()/256;
|
|
g = base_color.get_green()/256;
|
|
b = base_color.get_blue()/256;
|
|
fill_color = RGBA_TO_UINT(r,g,b,160);
|
|
|
|
/* for minor colors:
|
|
if the overall saturation is strong, make the minor colors light.
|
|
if its weak, make them dark.
|
|
|
|
we do this by moving an equal distance to the other side of the
|
|
central circle in the color wheel from where we started.
|
|
*/
|
|
|
|
radius = (unsigned char) rint (floor (sqrt (static_cast<double>(r*r + g*g + b+b))/3.0f));
|
|
minor_shift = 125 - radius;
|
|
|
|
/* LABEL: rotate around color wheel by 120 degrees anti-clockwise */
|
|
|
|
r = base_color.get_red()/256;
|
|
g = base_color.get_green()/256;
|
|
b = base_color.get_blue()/256;
|
|
|
|
if (r > b)
|
|
{
|
|
if (r > g)
|
|
{
|
|
/* red sector => green */
|
|
swap (r,g);
|
|
}
|
|
else
|
|
{
|
|
/* green sector => blue */
|
|
swap (g,b);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (b > g)
|
|
{
|
|
/* blue sector => red */
|
|
swap (b,r);
|
|
}
|
|
else
|
|
{
|
|
/* green sector => blue */
|
|
swap (g,b);
|
|
}
|
|
}
|
|
|
|
r += minor_shift;
|
|
b += minor_shift;
|
|
g += minor_shift;
|
|
|
|
label_color = RGBA_TO_UINT(r,g,b,255);
|
|
r = (base_color.get_red()/256) + 127;
|
|
g = (base_color.get_green()/256) + 127;
|
|
b = (base_color.get_blue()/256) + 127;
|
|
|
|
label_color = RGBA_TO_UINT(r,g,b,255);
|
|
|
|
/* XXX can we do better than this ? */
|
|
/* We're trying;) */
|
|
/* NUKECOLORS */
|
|
|
|
//frame_color_r = 192;
|
|
//frame_color_g = 192;
|
|
//frame_color_b = 194;
|
|
|
|
//selected_frame_color_r = 182;
|
|
//selected_frame_color_g = 145;
|
|
//selected_frame_color_b = 168;
|
|
|
|
//handle_color_r = 25;
|
|
//handle_color_g = 0;
|
|
//handle_color_b = 255;
|
|
//lock_handle_color_r = 235;
|
|
//lock_handle_color_g = 16;
|
|
//lock_handle_color_b = 16;
|
|
}
|
|
|
|
/**
|
|
* Convenience method to set the various canvas item colors
|
|
*/
|
|
void
|
|
TimeAxisViewItem::set_colors()
|
|
{
|
|
set_frame_color();
|
|
|
|
if (name_highlight) {
|
|
name_highlight->property_fill_color_rgba() = fill_color;
|
|
}
|
|
set_trim_handle_colors();
|
|
}
|
|
|
|
/**
|
|
* Sets the frame color depending on whether this item is selected
|
|
*/
|
|
void
|
|
TimeAxisViewItem::set_frame_color()
|
|
{
|
|
uint32_t f = 0;
|
|
|
|
if (!frame) {
|
|
return;
|
|
}
|
|
|
|
if (_selected) {
|
|
|
|
f = ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get();
|
|
|
|
if (fill_opacity) {
|
|
f = UINT_RGBA_CHANGE_A (f, fill_opacity);
|
|
}
|
|
|
|
if (!rect_visible) {
|
|
f = UINT_RGBA_CHANGE_A (f, 0);
|
|
}
|
|
|
|
} else {
|
|
|
|
if (_recregion) {
|
|
f = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
|
|
} else {
|
|
|
|
if (high_enough_for_name && !Config->get_color_regions_using_track_color()) {
|
|
f = ARDOUR_UI::config()->canvasvar_FrameBase.get();
|
|
} else {
|
|
f = fill_color;
|
|
}
|
|
|
|
if (fill_opacity) {
|
|
f = UINT_RGBA_CHANGE_A (f, fill_opacity);
|
|
}
|
|
|
|
if (!rect_visible) {
|
|
f = UINT_RGBA_CHANGE_A (f, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
frame->property_fill_color_rgba() = f;
|
|
|
|
if (!_recregion) {
|
|
if (_selected) {
|
|
f = ARDOUR_UI::config()->canvasvar_SelectedTimeAxisFrame.get();
|
|
} else {
|
|
f = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
|
|
}
|
|
|
|
if (!rect_visible) {
|
|
f = UINT_RGBA_CHANGE_A (f, 64);
|
|
}
|
|
|
|
frame->property_outline_color_rgba() = f;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the colors of the start and end trim handle depending on object state
|
|
*/
|
|
void
|
|
TimeAxisViewItem::set_trim_handle_colors()
|
|
{
|
|
if (frame_handle_start) {
|
|
if (position_locked) {
|
|
frame_handle_start->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TrimHandleLocked.get();
|
|
frame_handle_end->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TrimHandleLocked.get();
|
|
} else {
|
|
frame_handle_start->property_fill_color_rgba() = RGBA_TO_UINT(1, 1, 1, 0); //ARDOUR_UI::config()->canvasvar_TrimHandle.get();
|
|
frame_handle_end->property_fill_color_rgba() = RGBA_TO_UINT(1, 1, 1, 0); //ARDOUR_UI::config()->canvasvar_TrimHandle.get();
|
|
}
|
|
}
|
|
}
|
|
|
|
/** @return the samples per unit of this item */
|
|
double
|
|
TimeAxisViewItem::get_samples_per_unit()
|
|
{
|
|
return samples_per_unit;
|
|
}
|
|
|
|
/**
|
|
* Set the samples per unit of this item.
|
|
* This item is used to determine the relative visual size and position of this item
|
|
* based upon its duration and start value.
|
|
*
|
|
* @param spu the new samples per unit value
|
|
*/
|
|
void
|
|
TimeAxisViewItem::set_samples_per_unit (double spu)
|
|
{
|
|
samples_per_unit = spu;
|
|
set_position (this->get_position(), this);
|
|
reset_width_dependent_items ((double)get_duration() / samples_per_unit);
|
|
}
|
|
|
|
void
|
|
TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
|
|
{
|
|
|
|
if (pixel_width < 2.0) {
|
|
|
|
if (show_vestigial) {
|
|
vestigial_frame->show();
|
|
}
|
|
|
|
if (name_highlight) {
|
|
name_highlight->hide();
|
|
}
|
|
|
|
if (frame) {
|
|
frame->hide();
|
|
}
|
|
|
|
if (frame_handle_start) {
|
|
frame_handle_start->hide();
|
|
frame_handle_end->hide();
|
|
}
|
|
|
|
wide_enough_for_name = false;
|
|
|
|
} else {
|
|
vestigial_frame->hide();
|
|
|
|
if (name_highlight) {
|
|
|
|
if (_height < NAME_HIGHLIGHT_THRESH) {
|
|
name_highlight->hide();
|
|
high_enough_for_name = false;
|
|
} else {
|
|
name_highlight->show();
|
|
if (!get_item_name().empty()) {
|
|
reset_name_width (pixel_width);
|
|
}
|
|
high_enough_for_name = true;
|
|
}
|
|
|
|
name_highlight->property_x2() = pixel_width;
|
|
}
|
|
|
|
if (frame) {
|
|
frame->show();
|
|
frame->property_x2() = pixel_width;
|
|
}
|
|
|
|
if (frame_handle_start) {
|
|
if (pixel_width < (3 * TimeAxisViewItem::GRAB_HANDLE_WIDTH)) {
|
|
/*
|
|
* there's less than GRAB_HANDLE_WIDTH of the region between
|
|
* the right-hand end of frame_handle_start and the left-hand
|
|
* end of frame_handle_end, so disable the handles
|
|
*/
|
|
frame_handle_start->hide();
|
|
frame_handle_end->hide();
|
|
} else {
|
|
frame_handle_start->show();
|
|
frame_handle_end->property_x1() = pixel_width - (TimeAxisViewItem::GRAB_HANDLE_WIDTH);
|
|
frame_handle_end->property_x2() = pixel_width;
|
|
frame_handle_end->show();
|
|
}
|
|
}
|
|
|
|
wide_enough_for_name = true;
|
|
}
|
|
|
|
update_name_pixbuf_visibility ();
|
|
}
|
|
|
|
void
|
|
TimeAxisViewItem::reset_name_width (double /*pixel_width*/)
|
|
{
|
|
uint32_t it_width;
|
|
int pb_width;
|
|
bool pixbuf_holds_full_name;
|
|
|
|
if (!name_pixbuf) {
|
|
return;
|
|
}
|
|
|
|
it_width = trackview.editor().frame_to_pixel(item_duration);
|
|
pb_width = name_pixbuf_width;
|
|
|
|
pixbuf_holds_full_name = last_item_width > pb_width + NAME_X_OFFSET;
|
|
last_item_width = it_width;
|
|
|
|
if (pixbuf_holds_full_name && (it_width >= pb_width + NAME_X_OFFSET)) {
|
|
/*
|
|
we've previously had the full name length showing
|
|
and its still showing.
|
|
*/
|
|
return;
|
|
}
|
|
|
|
if (pb_width > it_width - NAME_X_OFFSET) {
|
|
pb_width = it_width - NAME_X_OFFSET;
|
|
}
|
|
|
|
if (it_width <= NAME_X_OFFSET) {
|
|
wide_enough_for_name = false;
|
|
} else {
|
|
wide_enough_for_name = true;
|
|
}
|
|
|
|
update_name_pixbuf_visibility ();
|
|
if (pb_width > 0) {
|
|
name_pixbuf->property_pixbuf() = pixbuf_from_string(item_name, NAME_FONT, pb_width, NAME_HEIGHT, Gdk::Color ("#000000"));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Callback used to remove this time axis item during the gtk idle loop.
|
|
* This is used to avoid deleting the obejct while inside the remove_this_item
|
|
* method.
|
|
*
|
|
* @param item the TimeAxisViewItem to remove.
|
|
* @param src the identity of the object that initiated the change.
|
|
*/
|
|
gint
|
|
TimeAxisViewItem::idle_remove_this_item(TimeAxisViewItem* item, void* src)
|
|
{
|
|
item->ItemRemoved (item->get_item_name(), src); /* EMIT_SIGNAL */
|
|
delete item;
|
|
item = 0;
|
|
return false;
|
|
}
|
|
|
|
void
|
|
TimeAxisViewItem::set_y (double y)
|
|
{
|
|
double const old = group->property_y ();
|
|
if (y != old) {
|
|
group->move (0, y - old);
|
|
}
|
|
}
|
|
|
|
void
|
|
TimeAxisViewItem::update_name_pixbuf_visibility ()
|
|
{
|
|
if (!name_pixbuf) {
|
|
return;
|
|
}
|
|
|
|
if (wide_enough_for_name && high_enough_for_name) {
|
|
name_pixbuf->show ();
|
|
} else {
|
|
name_pixbuf->hide ();
|
|
}
|
|
}
|
|
|
|
void
|
|
TimeAxisViewItem::parameter_changed (string p)
|
|
{
|
|
if (p == "color-regions-using-track-color") {
|
|
set_frame_color ();
|
|
}
|
|
}
|