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///////////////////////////////////////////////////////////////////////////////
// $Id: BasicWidget.hxx,v 1.1 1995/01/12 02:09:17 bmott Exp $
///////////////////////////////////////////////////////////////////////////////
//
// BasicWidget.hxx - Abstract base class for all widgets
//
//
// Bradford W. Mott
// Copyright (C) 1994
// December 11,1994
//
///////////////////////////////////////////////////////////////////////////////
// $Log: BasicWidget.hxx,v $
// Revision 1.1 1995/01/12 02:09:17 bmott
// Initial revision
//
///////////////////////////////////////////////////////////////////////////////
#ifndef BASICWIDGET_HXX
#define BASICWIDGET_HXX
#include <X11/Xos.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "Sprite.hxx"
class ContainerWidget;
class UIApplication;
// Enumerated type for widget's manage state
enum ManageState { Managed, Unmanaged };
class BasicWidget {
private:
int myX; // My X Coordinate relative to parent
int myY; // My Y Coordinate relative to parent
int myWidth; // My width in pixels
int myHeight; // My height in pixels
const char *const myName; // My symbolic name
ManageState myManageState; // Indicates what state I'm in
protected:
unsigned long myForeground; // My foreground color
unsigned long myBackground; // My background color
unsigned long myBackgroundHigh; // My background highlight color
unsigned long myBackgroundLow; // My background lowlight color
ContainerWidget *const myParent; // A reference to my parent widget
Window myWindow; // My only visual being
// Protected constructor to prevent instantiation
BasicWidget(ContainerWidget *const parent, const char *const name,
int x, int y, int width, int height);
// UIApplication needs access to the handleEvent and findWidget methods
friend class UIApplication;
// ContainerWidget needs access to the findWidget method
friend class ContainerWidget;
// Called whenever an event arrives for me
virtual void handleEvent(XEvent* event);
// Find the widget for the given window
virtual BasicWidget* findWidget(Window window);
public:
virtual ~BasicWidget();
// Manage the entire widget subtree that I represented
virtual void manage();
// Unmanage the entire widget subtree that I represented
virtual void unmanage();
// Answer my manage state
const ManageState manageState() { return myManageState; }
// Answer my name
const char* name() const { return myName; }
// Answer my window
const Window window() const { return myWindow; }
// Set my background to the named color
virtual void background(const char* name);
// Set my background to the given sprite
virtual void background(const Sprite *const sprite);
// Set my foreground to the named color
virtual void foreground(const char* name);
// Resize myself to the given width and height
void resize(int width, int height);
// Move myself to the given x and y location
void move(int x, int y);
unsigned long background() const { return myBackground; }
unsigned long backgroundHigh() const { return myBackgroundHigh; }
unsigned long backgroundLow() const { return myBackgroundLow; }
unsigned long foreground() const { return myForeground; }
int x() const { return myX; }
int y() const { return myY; }
int width() const { return myWidth; }
int height() const { return myHeight; }
// Answer my class
virtual const char *const className() const { return("BasicWidget"); }
};
#endif
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