310 lines
8.8 KiB
C++
310 lines
8.8 KiB
C++
/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport 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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LiveSupport 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 LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author: maroy $
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Version : $Revision: 1.2 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/include/LiveSupport/Widgets/ComboBoxText.h,v $
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------------------------------------------------------------------------------*/
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#ifndef LiveSupport_Widgets_ComboBoxText_h
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#define LiveSupport_Widgets_ComboBoxText_h
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#ifndef __cplusplus
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#error This is a C++ include file
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#endif
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/* ============================================================ include files */
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#ifdef HAVE_CONFIG_H
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#include "configure.h"
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#endif
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#include <gtkmm/label.h>
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#include <gtkmm/menu.h>
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#include <gtkmm/comboboxtext.h>
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#include "LiveSupport/Core/Ptr.h"
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namespace LiveSupport {
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namespace Widgets {
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using namespace LiveSupport::Core;
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/* ================================================================ constants */
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/* =================================================================== macros */
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/* =============================================================== data types */
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/**
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* A combo box holding text entries.
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*
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* @author $Author: maroy $
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* @version $Revision: 1.2 $
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*/
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class ComboBoxText : public Gtk::ComboBoxText
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{
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private:
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/**
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* The Gdk::Window object, used to draw inside this button.
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*/
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Glib::RefPtr<Gdk::Window> gdkWindow;
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/**
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* The Graphics Context, used to draw.
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*/
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Glib::RefPtr<Gdk::GC> gc;
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/**
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* The text displayed inside the button.
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*/
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Gtk::Label * label;
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/**
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* The X coordinate of the label.
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*/
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int labelX;
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/**
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* The Y coordinate of the label.
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*/
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int labelY;
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/**
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* The drop-down menu for the combo box.
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*/
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Ptr<Gtk::Menu>::Ref menu;
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/**
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* The left image of the widget.
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*/
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Glib::RefPtr<Gdk::Pixbuf> leftImage;
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/**
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* The image behind the text display.
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*/
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Glib::RefPtr<Gdk::Pixbuf> centerImage;
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/**
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* The right image for the widget.
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*/
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Glib::RefPtr<Gdk::Pixbuf> rightImage;
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/**
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* Default constructor.
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*/
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ComboBoxText(void) throw ()
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{
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}
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/**
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* Return the popup menu position.
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*
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* @param x the X coordinate for the menu.
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* @param y the Y coordinate for the menu.
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* @param pushIn don't know what this does.
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*/
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void
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onMenuPosition(int & x,
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int & y,
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bool & pushIn) throw ();
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/**
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* Event handler for the combo box being clicked.
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*
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* @param event the button click event.
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* @return true if the the event was handled, false otherwise.
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*/
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bool
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onBoxClicked(GdkEventButton * event) throw ();
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/**
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* Event handler for the menu item selected.
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*/
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void
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onMenuItemSelected(void) throw ();
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protected:
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/**
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* Handle the size request event.
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*
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* @param requisition the size request, also being the ouptut
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* parameter.
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*/
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virtual void
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on_size_request(Gtk::Requisition* requisition)
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throw ();
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/**
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* Handle the size allocate event.
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*
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* @param allocation the allocated size.
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*/
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virtual void
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on_size_allocate(Gtk::Allocation& allocation)
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throw ();
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/**
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* Handle the map event.
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*/
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virtual void
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on_map() throw ();
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/**
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* Handle the unmap event.
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*/
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virtual void
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on_unmap() throw ();
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/**
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* Handle the realize event.
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*/
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virtual void
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on_realize() throw ();
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/**
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* Handle the unrealize event.
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*/
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virtual void
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on_unrealize() throw ();
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/**
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* Handle the expose event.
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*
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* @param event the actual expose event recieved.
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* @return true if something was drawn (?)
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*/
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virtual bool
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on_expose_event(GdkEventExpose* event) throw ();
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/**
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* Execute a function on all children of this container.
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*
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* @param includeInternals true if the callback function should
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* also be called on the internals, false otherwise.
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* @param callback the callback function to execute on the children.
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* @param callbackData the data passed to the callback function.
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*/
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virtual void
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forall_vfunc(gboolean includeInternals,
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GtkCallback callback,
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gpointer callbackData)
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throw ();
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/**
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* Handle the add event.
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*
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* @param child the child being added to the widget.
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*/
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virtual void
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on_add(Gtk::Widget* child) throw ();
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/**
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* Handle the remove event.
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*
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* @param child the child to remove from the widget.
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*/
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virtual void
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on_remove(Gtk::Widget* child) throw ();
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/**
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* Tell what kind of children this container accepts.
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*
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* @return the type of children this container accepts.
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*/
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virtual GtkType
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child_type_vfunc() const throw ();
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public:
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/**
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* Constructor.
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*
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* @param leftImage the left image of the widget.
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* @param centerImage the image under the text display.
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* @param rightImage the right image for the widget.
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*/
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ComboBoxText(Glib::RefPtr<Gdk::Pixbuf> leftImage,
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Glib::RefPtr<Gdk::Pixbuf> centerImage,
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Glib::RefPtr<Gdk::Pixbuf> rightImage) throw ();
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/**
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* A virtual destructor.
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*/
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virtual
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~ComboBoxText(void) throw ();
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/**
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* Append a new text entry to the combo box menu.
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*
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* @param text the text entry to append.
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*/
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void
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append_text(const Glib::ustring &text) throw ();
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/**
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* Return the active text.
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*
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* @return the active text of the combo box.
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*/
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Glib::ustring
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get_active_text(void) const throw ();
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/**
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* Insert a new text entry at a given position.
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*
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* @param position the position where to insert the text.
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* @param text the text to insert.
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*/
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void
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insert_text(int position,
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const Glib::ustring & text) throw ();
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/**
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* Set the active text.
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*
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* @param text the text to select as active.
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*/
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void
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set_active_text(const Glib::ustring & text) throw ();
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};
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/* ================================================= external data structures */
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/* ====================================================== function prototypes */
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} // namespace Widgets
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} // namespace LiveSupport
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#endif // LiveSupport_Widgets_ComboBoxText_h
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