138 lines
3.3 KiB
C++
138 lines
3.3 KiB
C++
/*
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timeline-header-widget.hpp - Declaration of the timeline
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header widget
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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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/** @file timeline-header-widget.hpp
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** This file contains the definition of the header widget
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*/
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#ifndef HEADER_WIDGET_HPP
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#define HEADER_WIDGET_HPP
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#include "../../gtk-lumiera.hpp"
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namespace gui {
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namespace widgets {
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namespace timeline {
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class Track;
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class TimelineHeaderWidget : public Gtk::Container
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{
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public:
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TimelineHeaderWidget(timeline::Track &timeline_track);
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void set_child_widget(Widget& child);
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private:
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/* ===== Overrides ===== */
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private:
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/**
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* An event handler for the window realized signal.
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*/
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void on_realize();
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/**
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* An event handler for the window unrealized signal.
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*/
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void on_unrealize();
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//Overrides:
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void on_size_request(Gtk::Requisition* requisition);
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void on_size_allocate(Gtk::Allocation& allocation);
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/**
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* An event handler for when the window must be redrawn.
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*/
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bool on_expose_event(GdkEventExpose *event);
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/**
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* An event handler for mouse button press events.
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* @param event The GDK event containing details of the event.
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*/
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bool on_button_press_event (GdkEventButton* event);
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/**
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* An event handler for mouse button release events.
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* @param event The GDK event containing details of the event.
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*/
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bool on_button_release_event (GdkEventButton* event);
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/**
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* An event handler for mouse movement events.
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* @param event The GDK event containing details of the event.
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*/
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bool on_motion_notify_event (GdkEventMotion* event);
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void forall_vfunc(gboolean include_internals, GtkCallback callback, gpointer callback_data);
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void on_add(Gtk::Widget* child);
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void on_remove(Gtk::Widget* child);
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GtkType child_type_vfunc() const;
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/**
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* Registers all the styles that this class will respond to.
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*/
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void register_styles() const;
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/**
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* Reads styles from the present stylesheet.
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*/
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void read_styles();
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private:
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timeline::Track &track;
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Gtk::Widget* widget;
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bool hoveringExpander;
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bool clickedExpander;
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/**
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* The widget's window object.
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**/
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Glib::RefPtr<Gdk::Window> gdkWindow;
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//----- Style Values -----//
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/**
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* The style value which indicates the amount of padding around each
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* header pixels.
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**/
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int margin;
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/**
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* The style value which indicates the size to draw the expand button
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* in pixels.
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**/
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int expand_button_size;
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};
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} // namespace timeline
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} // namespace widgets
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} // namespace gui
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#endif // HEADER_WIDGET_HPP
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