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abstract_button.h

00001 /*
00002  * ===========================
00003  * VDK Visual Develeopment Kit
00004  * Version 0.4
00005  * October 1998
00006  * ===========================
00007  *
00008  * Copyright (C) 1998, Mario Motta
00009  * Developed by Mario Motta <mmotta@guest.net>
00010  *
00011  * This library is free software; you can redistribute it and/or
00012  * modify it under the terms of the GNU Library General Public
00013  * License as published by the Free Software Foundation; either
00014  * version 2 of the License, or (at your option) any later version.
00015  *
00016  * This library is distributed in the hope that it will be useful,
00017  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019  * Library General Public License for more details.
00020  *
00021  * You should have received a copy of the GNU Library General Public
00022  * License along with this library; if not, write to the Free Software
00023  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
00024  * 02111-1307, USA.
00025  */
00026 
00027 #ifndef ABSTRACTBUTTON_H
00028 #define ABSTRACTBUTTON_H
00029 #include <vdk/vdkobj.h>
00030 
00038 class VDKAbstractButton: public VDKObject 
00039 {
00040 public:
00041     VDKReadWriteValueProp<VDKAbstractButton, GtkReliefStyle> Relief;
00042 
00043     VDKAbstractButton(VDKForm* owner);
00044     virtual ~VDKAbstractButton();
00045     virtual void SetForeground(VDKRgb, GtkStateType) {}
00046     virtual void SetFont(VDKFont*) {}
00047 
00048     void SetRelief(GtkReliefStyle style) {
00049         gtk_button_set_relief(GTK_BUTTON(widget), style);
00050     }
00051 
00052     GtkReliefStyle GetRelief() {
00053         return gtk_button_get_relief(GTK_BUTTON(widget));
00054     }
00055 #ifdef USE_SIGCPLUSPLUS
00056  public:
00061     VDKSignal0<void> OnButtonClicked;
00066     VDKSignal0<void> OnButtonPressed;
00071     VDKSignal0<void> OnButtonLeave;
00072  protected:
00073     /* This method establishes the connection to sigc-signals in
00074        a concrete subclass. Wid is the underlaying used gtk-widget 
00075     */
00076     static void make_gtksigc_connection(VDKAbstractButton* obj,
00077                                         GtkWidget* wid);
00078  private:
00079     static void _handle_clicked(GtkWidget* wid, gpointer obj);
00080     static void _handle_pressed(GtkWidget* wid, gpointer obj);
00081     static void _handle_leave(GtkWidget* wid, gpointer obj);
00082 #endif
00083 };
00084 
00085 #endif

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