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386 lines
11 KiB
386 lines
11 KiB
15 years ago
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/***************************************************************************
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kmagselrect.cpp - description
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-------------------
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begin : Mon Feb 12 23:45:41 EST 2001
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copyright : (C) 2001-2003 by Sarang Lakare
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email : sarang#users.sf.net
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copyright : (C) 2003-2004 by Olaf Schmidt
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email : ojschmidt@kde.org
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "kmagselrect.h"
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#include "kmagselrect.moc"
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#include <qapplication.h>
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#include <qcursor.h>
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#include <qdesktopwidget.h>
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#include <qpixmap.h>
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#include <qbitmap.h>
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#include <kapplication.h>
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#include <klocale.h>
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static uchar line_bits[] = {0x2d, 0x96, 0x4b, 0xa5, 0xd2, 0x69, 0xb4, 0x5a};
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static QColor titleColor = QColor (0,0,128);
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static QColor titleBtnColor = QColor (255,255,0);
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static QColor textColor = QColor (255,255,255);
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static int frameSize = 10;
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static int titleSize = 24;
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void setTitleColors (QColor title, QColor text, QColor titleBtn)
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{
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titleColor = title;
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titleBtnColor = titleBtn;
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textColor = text;
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}
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void setFrameSize (int size)
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{
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frameSize = size;
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}
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void setTitleSize (int size)
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{
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titleSize = size;
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}
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QColor getTitleColor ()
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{
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return titleColor;
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}
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QColor getTitleBtnColor ()
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{
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return titleBtnColor;
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}
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QColor getTextColor ()
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{
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return textColor;
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}
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int getFrameSize ()
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{
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return frameSize;
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}
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int getTitleSize ()
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{
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if (titleSize > frameSize)
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return titleSize;
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else
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return frameSize;
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}
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//--------------------------------------------------------------------------
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// Construction
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//--------------------------------------------------------------------------
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KMagSelRect::KMagSelRect(QWidget *parent) :
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QRect()
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{
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init(parent);
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}
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KMagSelRect::KMagSelRect(const QPoint &topLeft, const QPoint &bottomRight,
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QWidget *parent) :
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QRect(topLeft, bottomRight)
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{
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init(parent);
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}
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KMagSelRect::KMagSelRect(const QPoint &topLeft, const QSize &size,
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QWidget *parent) :
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QRect(topLeft, size)
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{
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init(parent);
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}
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KMagSelRect::KMagSelRect(int left, int top, int width, int height,
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QWidget *parent) :
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QRect(left, top, width, height)
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{
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init(parent);
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}
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void KMagSelRect::init(QWidget *parent)
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{
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// Make sure parent is the window itself, not a widget within the window
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if (parent != 0)
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while (parent->parentWidget (true) != 0)
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parent=parent->parentWidget (true);
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selectionwindow = 0;
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selWindowParent = parent;
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m_alwaysVisible = false;
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}
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KMagSelRect::~KMagSelRect()
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{
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}
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//--------------------------------------------------------------------------
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//
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//--------------------------------------------------------------------------
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WId KMagSelRect::winId()
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{
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if (selectionwindow)
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return selectionwindow->winId();
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else
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return 0;
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}
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bool KMagSelRect::visible()
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{
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return (selectionwindow != 0);
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}
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void KMagSelRect::alwaysVisible(bool visible)
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{
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m_alwaysVisible = visible;
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}
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//--------------------------------------------------------------------------
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// Slots
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//--------------------------------------------------------------------------
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void KMagSelRect::show()
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{
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if (selectionwindow == 0) {
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selectionwindow = new KMagSelWin (selWindowParent, "selectionwindow");
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connect (selectionwindow, SIGNAL (resized ()), this, SLOT (selWinResized ()));
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update();
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selectionwindow->show();
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selWindowParent->setActiveWindow();
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}
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}
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void KMagSelRect::hide()
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{
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if(m_alwaysVisible)
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return;
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if (selectionwindow != 0) {
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selectionwindow->hide();
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delete selectionwindow;
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selectionwindow = 0;
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}
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}
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void KMagSelRect::update()
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{
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// make sure the selection window does not go outside of the display
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if (height() > QApplication::desktop()->geometry().height())
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setHeight (QApplication::desktop()->geometry().height());
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if (width() > QApplication::desktop()->geometry().width())
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setWidth (QApplication::desktop()->geometry().width());
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if (top() < 0)
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moveTop (0);
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if (left() < 0)
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moveLeft (0);
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if (bottom() > QApplication::desktop()->geometry().bottom())
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moveBottom (QApplication::desktop()->geometry().bottom());
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if (right() > QApplication::desktop()->geometry().right())
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moveRight (QApplication::desktop()->geometry().right());
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if (selectionwindow != 0)
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selectionwindow->setSelRect (QRect (topLeft(), bottomRight()));
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}
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void KMagSelRect::selWinResized()
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{
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if (selectionwindow != 0)
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{
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QRect newRect = selectionwindow->getSelRect();
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setRect (newRect.x(), newRect.y(), newRect.width(), newRect.height());
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}
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}
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//--------------------------------------------------------------------------
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// KMagSelWin
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//--------------------------------------------------------------------------
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KMagSelWin::KMagSelWin ( QWidget * parent, const char * name, WFlags ) :
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QWidget (parent, name, WStyle_Customize | WStyle_NoBorder | WStyle_StaysOnTop | WType_TopLevel | WX11BypassWM)
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{
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QBitmap line (8, 8, line_bits, true);
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setPaletteBackgroundPixmap (line);
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setBackgroundOrigin (QWidget::WindowOrigin);
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titleBar = new KMagSelWinCorner (this, "titlebar");
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titleBar->setPaletteBackgroundColor (getTitleColor ());
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titleBar->setPaletteForegroundColor (getTextColor ());
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titleBar->setText(i18n("Selection Window")+" - "+i18n("KMagnifier"));
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connect (titleBar, SIGNAL (startResizing ()), this, SLOT (startResizing ()));
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connect (titleBar, SIGNAL (resized (QPoint)), this, SLOT (titleMoved (QPoint)));
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topLeftCorner = new KMagSelWinCorner (this, "topleft");
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topLeftCorner->setCursor (Qt::SizeFDiagCursor);
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topLeftCorner->setPaletteBackgroundColor (getTitleBtnColor ());
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connect (topLeftCorner, SIGNAL (startResizing ()), this, SLOT (startResizing ()));
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connect (topLeftCorner, SIGNAL (resized (QPoint)), this, SLOT (topLeftResized (QPoint)));
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topRightCorner = new KMagSelWinCorner (this, "topright");
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topRightCorner->setCursor (Qt::SizeBDiagCursor);
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topRightCorner->setPaletteBackgroundColor (getTitleBtnColor ());
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connect (topRightCorner, SIGNAL (startResizing ()), this, SLOT (startResizing ()));
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connect (topRightCorner, SIGNAL (resized (QPoint)), this, SLOT (topRightResized (QPoint)));
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bottomLeftCorner = new KMagSelWinCorner (this, "bottomleft");
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bottomLeftCorner->setCursor (Qt::SizeBDiagCursor);
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bottomLeftCorner->setPaletteBackgroundColor (getTitleBtnColor ());
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connect (bottomLeftCorner, SIGNAL (startResizing ()), this, SLOT (startResizing ()));
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connect (bottomLeftCorner, SIGNAL (resized (QPoint)), this, SLOT (bottomLeftResized (QPoint)));
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bottomRightCorner = new KMagSelWinCorner (this, "bottomright");
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bottomRightCorner->setCursor (Qt::SizeFDiagCursor);
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bottomRightCorner->setPaletteBackgroundColor (getTitleBtnColor ());
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connect (bottomRightCorner, SIGNAL (startResizing ()), this, SLOT (startResizing ()));
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connect (bottomRightCorner, SIGNAL (resized (QPoint)), this, SLOT (bottomRightResized (QPoint)));
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}
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KMagSelWin::~KMagSelWin()
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{
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delete titleBar;
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delete topLeftCorner;
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delete topRightCorner;
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delete bottomLeftCorner;
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delete bottomRightCorner;
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}
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void KMagSelWin::setSelRect (QRect selRect)
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{
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selRect = selRect.normalize();
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if (selRect.left() < 0)
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selRect.setLeft (0);
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if (selRect.top() < 0)
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selRect.setTop (0);
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if (selRect.right() > QApplication::desktop()->width())
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selRect.setRight (QApplication::desktop()->width());
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if (selRect.bottom() > QApplication::desktop()->height())
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selRect.setBottom (QApplication::desktop()->height());
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setGeometry (
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selRect.left() - getFrameSize(),
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selRect.top() - getTitleSize() - 2,
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selRect.width() + getFrameSize() + getFrameSize(),
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selRect.height() + getFrameSize() + getTitleSize()+2);
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int w = getFrameSize();
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if (selRect.width() < w+w)
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w = static_cast<int>(selRect.width()/2);
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int h = getFrameSize();
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if (selRect.height() < h+h)
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h = static_cast<int>(selRect.height()/2);
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setMask (QRegion (QRect (0, 0, width(), height ()))
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- QRegion (QRect (getFrameSize(), getTitleSize()+2, selRect.width(), selRect.height()))
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- QRegion (QRect (0, 0, getFrameSize()+w, getTitleSize()+2-getFrameSize()))
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- QRegion (QRect (width()-getFrameSize()-w, 0, getFrameSize()+w, getTitleSize()+2-getFrameSize()))
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- QRegion (QRect (0, getTitleSize()+2+h, getFrameSize()-2, selRect.height()-h-h))
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- QRegion (QRect (width()-getFrameSize()+2, getTitleSize()+2+h, getFrameSize()-2, selRect.height()-h-h))
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- QRegion (QRect (getFrameSize()+w, height()-getFrameSize()+2, selRect.width()-w-w, getFrameSize()-2)));
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titleBar->setGeometry (getFrameSize()+w, 0, selRect.width()-h-h, getTitleSize());
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topLeftCorner->setGeometry (0, getTitleSize()+2-getFrameSize(), getFrameSize()+w, getFrameSize()+h);
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topRightCorner->setGeometry (width()-getFrameSize()-w, getTitleSize()+2-getFrameSize(), getFrameSize()+w, getFrameSize()+h);
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bottomLeftCorner->setGeometry (0, height()-getFrameSize()-h, getFrameSize()+w, getFrameSize()+h);
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bottomRightCorner->setGeometry (width()-getFrameSize()-w, height()-getFrameSize()-h, getFrameSize()+w, getFrameSize()+h);
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}
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QRect KMagSelWin::getSelRect ()
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{
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return QRect (
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x() + getFrameSize(),
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y() + getTitleSize()+2,
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width() - getFrameSize() - getFrameSize(),
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height() - getFrameSize() - getTitleSize()-2);
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}
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void KMagSelWin::startResizing ()
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{
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oldSelRect = getSelRect();
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}
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void KMagSelWin::titleMoved ( QPoint offset )
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{
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QRect selRect = oldSelRect;
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selRect.moveBy (offset.x(), offset.y());
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setSelRect (selRect);
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emit resized ();
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}
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void KMagSelWin::topLeftResized ( QPoint offset )
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{
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setSelRect (QRect(oldSelRect.topLeft() + offset, oldSelRect.bottomRight ()));
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emit resized();
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}
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void KMagSelWin::topRightResized ( QPoint offset )
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{
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setSelRect (QRect(oldSelRect.topRight() + offset, oldSelRect.bottomLeft ()));
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emit resized();
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}
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void KMagSelWin::bottomLeftResized ( QPoint offset )
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{
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setSelRect (QRect(oldSelRect.bottomLeft() + offset, oldSelRect.topRight ()));
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emit resized();
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}
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void KMagSelWin::bottomRightResized ( QPoint offset )
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{
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setSelRect (QRect(oldSelRect.bottomRight() + offset, oldSelRect.topLeft()));
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emit resized();
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}
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//--------------------------------------------------------------------------
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// KMagSelWinCorner
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//--------------------------------------------------------------------------
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KMagSelWinCorner::KMagSelWinCorner ( QWidget * parent, const char * name, WFlags f ) :
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QLabel (parent, name, f)
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{
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setFrameStyle (QFrame::WinPanel | QFrame::Raised);
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setLineWidth (1);
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}
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KMagSelWinCorner::~KMagSelWinCorner()
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{
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}
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void KMagSelWinCorner::mousePressEvent ( QMouseEvent * e )
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{
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oldPos = e->globalPos ();
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emit startResizing ();
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}
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void KMagSelWinCorner::mouseReleaseEvent ( QMouseEvent * e )
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{
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setFrameShadow (QFrame::Raised);
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emit resized (e->globalPos () - oldPos);
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}
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void KMagSelWinCorner::mouseMoveEvent ( QMouseEvent * e )
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{
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emit resized (e->globalPos () - oldPos);
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}
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