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/* $Id$ */
/** @file
* VBox Debugger GUI - Base classes.
*/
/*
* Copyright (C) 2006-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef DEBUGGER_INCLUDED_SRC_VBoxDbgBase_h
#define DEBUGGER_INCLUDED_SRC_VBoxDbgBase_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <VBox/vmm/stam.h>
#include <VBox/vmm/vmapi.h>
#include <VBox/vmm/vmmr3vtable.h>
#include <VBox/dbg.h>
#include <iprt/thread.h>
#include <QString>
#include <QWidget>
class VBoxDbgGui;
/**
* VBox Debugger GUI Base Class.
*
* The purpose of this class is to hide the VM handle, abstract VM
* operations, and finally to make sure the GUI won't crash when
* the VM dies.
*/
class VBoxDbgBase
{
public:
/**
* Construct the object.
*
* @param a_pDbgGui Pointer to the debugger gui object.
*/
VBoxDbgBase(VBoxDbgGui *a_pDbgGui);
/**
* Destructor.
*/
virtual ~VBoxDbgBase();
/**
* Checks if the VM is OK for normal operations.
* @returns true if ok, false if not.
*/
bool isVMOk() const
{
return m_pUVM != NULL;
}
/**
* Checks if the current thread is the GUI thread or not.
* @return true/false accordingly.
*/
bool isGUIThread() const
{
return m_hGUIThread == RTThreadNativeSelf();
}
/** @name Operations
* @{ */
/**
* Wrapper for STAMR3Reset().
*/
int stamReset(const QString &rPat);
/**
* Wrapper for STAMR3Enum().
*/
int stamEnum(const QString &rPat, PFNSTAMR3ENUM pfnEnum, void *pvUser);
/**
* Wrapper for DBGCCreate().
*/
int dbgcCreate(PCDBGCIO pIo, unsigned fFlags);
/** @} */
protected:
/** @name Signals
* @{ */
/**
* Called when the VM is being destroyed.
*/
virtual void sigDestroying();
/**
* Called when the VM has been terminated.
*/
virtual void sigTerminated();
/** @} */
private:
/** @callback_method_impl{FNVMATSTATE} */
static DECLCALLBACK(void) atStateChange(PUVM pUVM, PCVMMR3VTABLE pVMM, VMSTATE enmState, VMSTATE enmOldState, void *pvUser);
private:
/** Pointer to the debugger GUI object. */
VBoxDbgGui *m_pDbgGui;
/** The user mode VM handle. */
PUVM volatile m_pUVM;
/** The VMM function table. */
PCVMMR3VTABLE volatile m_pVMM;
/** The handle of the GUI thread. */
RTNATIVETHREAD m_hGUIThread;
};
/**
* VBox Debugger GUI Base Window Class.
*
* This is just a combination of QWidget and VBoxDbgBase with some additional
* functionality for window management. This class is not intended for control
* widgets, only normal top-level windows.
*/
class VBoxDbgBaseWindow : public QWidget, public VBoxDbgBase
{
public:
/**
* Construct the object.
*
* @param a_pDbgGui Pointer to the debugger gui object.
* @param a_pParent Pointer to the parent object.
* @param a_pszTitle The window title string (persistent, not copied).
*/
VBoxDbgBaseWindow(VBoxDbgGui *a_pDbgGui, QWidget *a_pParent, const char *a_pszTitle);
/**
* Destructor.
*/
virtual ~VBoxDbgBaseWindow();
/**
* Shows the window and gives it focus.
*/
void vShow();
/**
* Repositions the window, taking the frame decoration into account.
*
* @param a_x The new x coordinate.
* @param a_y The new x coordinate.
* @param a_cx The total width.
* @param a_cy The total height.
* @param a_fResize Whether to resize it as well.
*/
void vReposition(int a_x, int a_y, unsigned a_cx, unsigned a_cy, bool a_fResize);
protected:
/**
* For polishing the window size (X11 mess).
*
* @returns true / false.
* @param a_pEvt The event.
*/
virtual bool event(QEvent *a_pEvt);
/**
* Event filter for various purposes (mainly title bar).
*
* @param pWatched The object event came to.
* @param pEvent The event being handled.
*/
virtual bool eventFilter(QObject *pWatched, QEvent *pEvent);
/**
* Internal worker for polishing the size and position (X11 hacks).
*/
void vPolishSizeAndPos();
/**
* Internal worker that guesses the border sizes.
*/
QSize vGuessBorderSizes();
private:
/** The Window title string (inflexible, read only). */
const char *m_pszTitle;
/** Whether we've done the size polishing in showEvent or not. */
bool m_fPolished;
/** The desired x coordinate. */
int m_x;
/** The desired y coordinate. */
int m_y;
/** The desired width. */
unsigned m_cx;
/** The desired height. */
unsigned m_cy;
/** Best effort x border size (for X11). */
static unsigned m_cxBorder;
/** Best effort y border size (for X11). */
static unsigned m_cyBorder;
};
#endif /* !DEBUGGER_INCLUDED_SRC_VBoxDbgBase_h */
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