haiku/headers/os/interface/Control.h

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: Control.h
// Author: Marc Flerackers (mflerackers@androme.be)
// Description: BControl is the base class for user-event handling objects.
//------------------------------------------------------------------------------
#ifndef _CONTROL_H
#define _CONTROL_H
// Standard Includes -----------------------------------------------------------
// System Includes -------------------------------------------------------------
#include <BeBuild.h>
#include <Invoker.h>
#include <Message.h> /* For convenience */
#include <View.h>
// Project Includes ------------------------------------------------------------
// Local Includes --------------------------------------------------------------
// Local Defines ---------------------------------------------------------------
enum {
B_CONTROL_OFF = 0,
B_CONTROL_ON = 1
};
// Globals ---------------------------------------------------------------------
class BWindow;
// BControl class --------------------------------------------------------------
class BControl : public BView, public BInvoker {
public:
BControl(BRect frame,
const char *name,
const char *label,
BMessage *message,
uint32 resizingMode,
uint32 flags);
virtual ~BControl();
BControl(BMessage *archive);
static BArchivable *Instantiate(BMessage *archive);
virtual status_t Archive(BMessage *archive, bool deep = true) const;
virtual void WindowActivated(bool active);
virtual void AttachedToWindow();
virtual void MessageReceived(BMessage *message);
virtual void MakeFocus(bool focused = true);
virtual void KeyDown(const char *bytes, int32 numBytes);
virtual void MouseDown(BPoint point);
virtual void MouseUp(BPoint point);
virtual void MouseMoved(BPoint point, uint32 transit, const BMessage *message);
virtual void DetachedFromWindow();
virtual void SetLabel(const char *string);
const char *Label() const;
virtual void SetValue(int32 value);
int32 Value() const;
virtual void SetEnabled(bool enabled);
bool IsEnabled() const;
virtual void GetPreferredSize(float *width, float *height);
virtual void ResizeToPreferred();
virtual status_t Invoke(BMessage *message = NULL);
virtual BHandler *ResolveSpecifier(BMessage *message,
int32 index,
BMessage *specifier,
int32 what,
const char *property);
virtual status_t GetSupportedSuites(BMessage *message);
virtual void AllAttached();
virtual void AllDetached();
virtual status_t Perform(perform_code d, void *arg);
protected:
bool IsFocusChanging() const;
bool IsTracking() const;
void SetTracking(bool state);
void SetValueNoUpdate(int32 value);
private:
virtual void _ReservedControl1();
virtual void _ReservedControl2();
virtual void _ReservedControl3();
virtual void _ReservedControl4();
BControl &operator=(const BControl &);
void InitData(BMessage *data = NULL);
char *fLabel;
int32 fValue;
bool fEnabled;
bool fFocusChanging;
bool fTracking;
bool fWantsNav;
uint32 _reserved[4];
};
//------------------------------------------------------------------------------
#endif // _CONTROL_H
/*
* $Log $
*
* $Id $
*
*/