118 lines
3 KiB
C++
118 lines
3 KiB
C++
/*
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timeline-panel.cpp - Implementation of the timeline panel
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Copyright (C) Lumiera.org
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2008, Joel Holdsworth <joel@airwebreathe.org.uk>
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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 of the
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License, or (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 "../gtk-lumiera.hpp"
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#include "timeline-panel.hpp"
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using namespace Gtk;
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using namespace sigc;
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using namespace lumiera::gui::widgets;
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namespace lumiera {
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namespace gui {
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namespace panels {
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const int TimelinePanel::ZoomToolSteps = 2; // 2 seems comfortable
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TimelinePanel::TimelinePanel() :
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Panel("timeline", _("Timeline"), "timeline_panel"),
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arrowTool(Gtk::StockID("arrow")),
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iBeamTool(Gtk::StockID("i_beam")),
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zoomIn(Stock::ZOOM_IN),
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zoomOut(Stock::ZOOM_OUT),
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updatingToolbar(false)
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{
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// Setup the toolbar
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toolbar.append(arrowTool, mem_fun(this,
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&TimelinePanel::on_arrow_tool));
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toolbar.append(iBeamTool, mem_fun(this,
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&TimelinePanel::on_ibeam_tool));
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toolbar.append(seperator1);
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toolbar.append(zoomIn, mem_fun(this, &TimelinePanel::on_zoom_in));
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toolbar.append(zoomOut, mem_fun(this, &TimelinePanel::on_zoom_out));
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toolbar.set_icon_size(IconSize(ICON_SIZE_LARGE_TOOLBAR));
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toolbar.set_toolbar_style(TOOLBAR_ICONS);
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// Add the toolbar
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pack_start(toolbar, PACK_SHRINK);
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pack_start(timelineWidget, PACK_EXPAND_WIDGET);
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update_tool_buttons();
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update_zoom_buttons();
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}
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void
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TimelinePanel::on_arrow_tool()
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{
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if(updatingToolbar) return;
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timelineWidget.set_tool(timeline::Arrow);
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update_tool_buttons();
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}
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void
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TimelinePanel::on_ibeam_tool()
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{
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if(updatingToolbar) return;
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timelineWidget.set_tool(timeline::IBeam);
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update_tool_buttons();
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}
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void
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TimelinePanel::on_zoom_in()
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{
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timelineWidget.zoom_view(ZoomToolSteps);
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update_zoom_buttons();
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}
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void
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TimelinePanel::on_zoom_out()
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{
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timelineWidget.zoom_view(-ZoomToolSteps);
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update_zoom_buttons();
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}
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void
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TimelinePanel::update_tool_buttons()
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{
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if(!updatingToolbar)
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{
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updatingToolbar = true;
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const timeline::ToolType tool = timelineWidget.get_tool();
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arrowTool.set_active(tool == timeline::Arrow);
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iBeamTool.set_active(tool == timeline::IBeam);
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updatingToolbar = false;
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}
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}
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void
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TimelinePanel::update_zoom_buttons()
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{
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zoomIn.set_sensitive(timelineWidget.get_time_scale() != 1);
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zoomOut.set_sensitive(timelineWidget.get_time_scale() !=
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TimelineWidget::MaxScale);
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}
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} // namespace panels
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} // namespace gui
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} // namespace lumiera
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