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// ****************************************************************************
// Project: GUYMAGER
// ****************************************************************************
// Programmer: Guy Voncken
// Police Grand-Ducale
// Service de Police Judiciaire
// Section Nouvelles Technologies
// ****************************************************************************
// Module: Different message boxes we need all the time
// ****************************************************************************
// Copyright 2008, 2009, 2010, 2011 Guy Voncken
//
// This file is part of guymager.
//
// guymager 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, either version 2 of the License, or
// (at your option) any later version.
//
// guymager 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 guymager. If not, see <http://www.gnu.org/licenses/>.
#include "dlgmessage.h"
// -----------------------------
// Constants
// -----------------------------
const int DLGMESSAGE_MAX_SCREEN_PERCENTAGE = 80; // When opening the dialog, do not use more than 80% of the screen width / height
// -----------------------------
// Classes
// -----------------------------
class t_DlgMessageLocal
{
public:
QVBoxLayout *pLayout;
QTextEdit *pTextBox;
QPushButton *pButtonClose;
};
t_DlgMessage::t_DlgMessage ()
{
CHK_EXIT (ERROR_DLGMESSAGE_CONSTRUCTOR_NOT_SUPPORTED)
} //lint !e1401 pOwn not initialised
t_DlgMessage::t_DlgMessage (const QString &Title, const QString &Message, bool Monospaced, QWidget *pParent, Qt::WFlags Flags)
:QDialog (pParent, Flags)
{
static bool Initialised = false;
QSize MaxSize;
if (!Initialised)
{
Initialised = true;
CHK_EXIT (TOOL_ERROR_REGISTER_CODE (ERROR_DLGMESSAGE_CONSTRUCTOR_NOT_SUPPORTED))
}
pOwn = new t_DlgMessageLocal;
pOwn->pLayout = new QVBoxLayout ();
if (Monospaced)
pOwn->pTextBox = new QTextEdit ("<pre>" + Message + "</pre>", this); // Use "pre" in order to have the text displayed in monospaced font and with CRLF interpreted the way we want
else pOwn->pTextBox = new QTextEdit ( Message , this);
pOwn->pButtonClose = new QPushButton (tr("Close"), this);
pOwn->pLayout->addWidget (pOwn->pTextBox );
pOwn->pLayout->addWidget (pOwn->pButtonClose);
pOwn->pTextBox->setReadOnly (true);
pOwn->pTextBox->zoomIn ();
setLayout (pOwn->pLayout);
setWindowTitle (Title);
CHK_QT_EXIT (connect (pOwn->pButtonClose, SIGNAL (released()), this, SLOT(accept())))
}
void t_DlgMessage::AdjustGeometry (void)
{
int X, Y;
int Dx, Dy;
// Adjust size
// -----------
// Trying to adjust the size of the dialog to size of the text inside. Not easy, as Qt doesn't provide the right functions for
// doing so. Important: AdjustSize must be called after the dialog has been showed in order have QTextBox calculated all scroll
// bar values.
Dx = pOwn->pTextBox->horizontalScrollBar()->maximum(); // See source code of QAbstractScrollArea: The scroll bar range is the full
Dy = pOwn->pTextBox->verticalScrollBar ()->maximum(); // scroll area width minus the window area displayed. So, we, take the
Dx += pOwn->pTextBox->viewport()->width (); // scroll bar range and add the viewport size.
Dy += pOwn->pTextBox->viewport()->height();
Dx += pOwn->pTextBox->verticalScrollBar ()->height(); // Scrollbars need some place as well...
Dy += pOwn->pTextBox->horizontalScrollBar()->height();
Dx += frameGeometry().width () - pOwn->pTextBox->width (); // Add the space surrounding the Textbox required by the dialog
Dy += frameGeometry().height() - pOwn->pTextBox->height();
Dx = GETMIN (Dx, (DLGMESSAGE_MAX_SCREEN_PERCENTAGE * QApplication::desktop()->width ()) / 100); // Limit to a certain amount
Dy = GETMIN (Dy, (DLGMESSAGE_MAX_SCREEN_PERCENTAGE * QApplication::desktop()->height()) / 100); // of the available screen space
// Adjust position
// ---------------
// Try to center relative to the parent if available, relative to srceen otherwise
QWidget *pParent = parentWidget();
if (pParent)
{
QPoint PosRel (pParent->x(), pParent->y());
QPoint PosAbs = pParent->mapToGlobal(PosRel);
X = PosAbs.x() + pParent->width ()/2 - Dx/2;
Y = PosAbs.y() + pParent->height()/2 - Dy/2;
}
else
{
X = (QApplication::desktop()->width () - Dx) / 2;
Y = (QApplication::desktop()->height () - Dy) / 2;
}
setGeometry (X, Y, Dx, Dy);
}
t_DlgMessage::~t_DlgMessage ()
{
delete pOwn;
}
APIRET t_DlgMessage::Show (const QString &Title, const QString &Message, bool Monospaced, QWidget *pParent, Qt::WFlags Flags)
{
t_DlgMessage *pDlg;
pDlg = new t_DlgMessage (Title, Message, Monospaced, pParent, Flags);
pDlg->setModal (true);
pDlg->show ();
pDlg->AdjustGeometry();
pDlg->exec ();
delete pDlg;
return NO_ERROR;
}
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