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tdeaccessibility/kmag/kmagselrect.cpp

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/***************************************************************************
kmagselrect.cpp - description
-------------------
begin : Mon Feb 12 23:45:41 EST 2001
copyright : (C) 2001-2003 by Sarang Lakare
email : sarang#users.sf.net
copyright : (C) 2003-2004 by Olaf Schmidt
email : ojschmidt@kde.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; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "kmagselrect.h"
#include "kmagselrect.moc"
#include <tqapplication.h>
#include <tqcursor.h>
#include <tqdesktopwidget.h>
#include <tqpixmap.h>
#include <tqbitmap.h>
#include <kapplication.h>
#include <klocale.h>
static uchar line_bits[] = {0x2d, 0x96, 0x4b, 0xa5, 0xd2, 0x69, 0xb4, 0x5a};
static TQColor titleColor = TQColor (0,0,128);
static TQColor titleBtnColor = TQColor (255,255,0);
static TQColor textColor = TQColor (255,255,255);
static int frameSize = 10;
static int titleSize = 24;
void setTitleColors (TQColor title, TQColor text, TQColor titleBtn)
{
titleColor = title;
titleBtnColor = titleBtn;
textColor = text;
}
void setFrameSize (int size)
{
frameSize = size;
}
void setTitleSize (int size)
{
titleSize = size;
}
TQColor getTitleColor ()
{
return titleColor;
}
TQColor getTitleBtnColor ()
{
return titleBtnColor;
}
TQColor getTextColor ()
{
return textColor;
}
int getFrameSize ()
{
return frameSize;
}
int getTitleSize ()
{
if (titleSize > frameSize)
return titleSize;
else
return frameSize;
}
//--------------------------------------------------------------------------
// Construction
//--------------------------------------------------------------------------
KMagSelRect::KMagSelRect(TQWidget *parent) :
TQRect()
{
init(parent);
}
KMagSelRect::KMagSelRect(const TQPoint &topLeft, const TQPoint &bottomRight,
TQWidget *parent) :
TQRect(topLeft, bottomRight)
{
init(parent);
}
KMagSelRect::KMagSelRect(const TQPoint &topLeft, const TQSize &size,
TQWidget *parent) :
TQRect(topLeft, size)
{
init(parent);
}
KMagSelRect::KMagSelRect(int left, int top, int width, int height,
TQWidget *parent) :
TQRect(left, top, width, height)
{
init(parent);
}
void KMagSelRect::init(TQWidget *parent)
{
// Make sure parent is the window itself, not a widget within the window
if (parent != 0)
while (parent->parentWidget (true) != 0)
parent=parent->parentWidget (true);
selectionwindow = 0;
selWindowParent = parent;
m_alwaysVisible = false;
}
KMagSelRect::~KMagSelRect()
{
}
//--------------------------------------------------------------------------
//
//--------------------------------------------------------------------------
WId KMagSelRect::winId()
{
if (selectionwindow)
return selectionwindow->winId();
else
return 0;
}
bool KMagSelRect::visible()
{
return (selectionwindow != 0);
}
void KMagSelRect::alwaysVisible(bool visible)
{
m_alwaysVisible = visible;
}
//--------------------------------------------------------------------------
// Slots
//--------------------------------------------------------------------------
void KMagSelRect::show()
{
if (selectionwindow == 0) {
selectionwindow = new KMagSelWin (selWindowParent, "selectionwindow");
connect (selectionwindow, TQT_SIGNAL (resized ()), this, TQT_SLOT (selWinResized ()));
update();
selectionwindow->show();
selWindowParent->setActiveWindow();
}
}
void KMagSelRect::hide()
{
if(m_alwaysVisible)
return;
if (selectionwindow != 0) {
selectionwindow->hide();
delete selectionwindow;
selectionwindow = 0;
}
}
void KMagSelRect::update()
{
// make sure the selection window does not go outside of the display
if (height() > TQApplication::desktop()->geometry().height())
setHeight (TQApplication::desktop()->geometry().height());
if (width() > TQApplication::desktop()->geometry().width())
setWidth (TQApplication::desktop()->geometry().width());
if (top() < 0)
moveTop (0);
if (left() < 0)
moveLeft (0);
if (bottom() > TQApplication::desktop()->geometry().bottom())
moveBottom (TQApplication::desktop()->geometry().bottom());
if (right() > TQApplication::desktop()->geometry().right())
moveRight (TQApplication::desktop()->geometry().right());
if (selectionwindow != 0)
selectionwindow->setSelRect (TQRect (topLeft(), bottomRight()));
}
void KMagSelRect::selWinResized()
{
if (selectionwindow != 0)
{
TQRect newRect = selectionwindow->getSelRect();
setRect (newRect.x(), newRect.y(), newRect.width(), newRect.height());
}
}
//--------------------------------------------------------------------------
// KMagSelWin
//--------------------------------------------------------------------------
KMagSelWin::KMagSelWin ( TQWidget * parent, const char * name, WFlags ) :
TQWidget (parent, name, WStyle_Customize | WStyle_NoBorder | WStyle_StaysOnTop | WType_TopLevel | WX11BypassWM)
{
TQBitmap line (8, 8, line_bits, true);
setPaletteBackgroundPixmap (line);
setBackgroundOrigin (TQWidget::WindowOrigin);
titleBar = new KMagSelWinCorner (this, "titlebar");
titleBar->setPaletteBackgroundColor (getTitleColor ());
titleBar->setPaletteForegroundColor (getTextColor ());
titleBar->setText(i18n("Selection Window")+" - "+i18n("KMagnifier"));
connect (titleBar, TQT_SIGNAL (startResizing ()), this, TQT_SLOT (startResizing ()));
connect (titleBar, TQT_SIGNAL (resized (TQPoint)), this, TQT_SLOT (titleMoved (TQPoint)));
topLeftCorner = new KMagSelWinCorner (this, "topleft");
topLeftCorner->setCursor (TQt::SizeFDiagCursor);
topLeftCorner->setPaletteBackgroundColor (getTitleBtnColor ());
connect (topLeftCorner, TQT_SIGNAL (startResizing ()), this, TQT_SLOT (startResizing ()));
connect (topLeftCorner, TQT_SIGNAL (resized (TQPoint)), this, TQT_SLOT (topLeftResized (TQPoint)));
topRightCorner = new KMagSelWinCorner (this, "topright");
topRightCorner->setCursor (TQt::SizeBDiagCursor);
topRightCorner->setPaletteBackgroundColor (getTitleBtnColor ());
connect (topRightCorner, TQT_SIGNAL (startResizing ()), this, TQT_SLOT (startResizing ()));
connect (topRightCorner, TQT_SIGNAL (resized (TQPoint)), this, TQT_SLOT (topRightResized (TQPoint)));
bottomLeftCorner = new KMagSelWinCorner (this, "bottomleft");
bottomLeftCorner->setCursor (TQt::SizeBDiagCursor);
bottomLeftCorner->setPaletteBackgroundColor (getTitleBtnColor ());
connect (bottomLeftCorner, TQT_SIGNAL (startResizing ()), this, TQT_SLOT (startResizing ()));
connect (bottomLeftCorner, TQT_SIGNAL (resized (TQPoint)), this, TQT_SLOT (bottomLeftResized (TQPoint)));
bottomRightCorner = new KMagSelWinCorner (this, "bottomright");
bottomRightCorner->setCursor (TQt::SizeFDiagCursor);
bottomRightCorner->setPaletteBackgroundColor (getTitleBtnColor ());
connect (bottomRightCorner, TQT_SIGNAL (startResizing ()), this, TQT_SLOT (startResizing ()));
connect (bottomRightCorner, TQT_SIGNAL (resized (TQPoint)), this, TQT_SLOT (bottomRightResized (TQPoint)));
}
KMagSelWin::~KMagSelWin()
{
delete titleBar;
delete topLeftCorner;
delete topRightCorner;
delete bottomLeftCorner;
delete bottomRightCorner;
}
void KMagSelWin::setSelRect (TQRect selRect)
{
selRect = selRect.normalize();
if (selRect.left() < 0)
selRect.setLeft (0);
if (selRect.top() < 0)
selRect.setTop (0);
if (selRect.right() > TQApplication::desktop()->width())
selRect.setRight (TQApplication::desktop()->width());
if (selRect.bottom() > TQApplication::desktop()->height())
selRect.setBottom (TQApplication::desktop()->height());
setGeometry (
selRect.left() - getFrameSize(),
selRect.top() - getTitleSize() - 2,
selRect.width() + getFrameSize() + getFrameSize(),
selRect.height() + getFrameSize() + getTitleSize()+2);
int w = getFrameSize();
if (selRect.width() < w+w)
w = static_cast<int>(selRect.width()/2);
int h = getFrameSize();
if (selRect.height() < h+h)
h = static_cast<int>(selRect.height()/2);
setMask (TQRegion (TQRect (0, 0, width(), height ()))
- TQRegion (TQRect (getFrameSize(), getTitleSize()+2, selRect.width(), selRect.height()))
- TQRegion (TQRect (0, 0, getFrameSize()+w, getTitleSize()+2-getFrameSize()))
- TQRegion (TQRect (width()-getFrameSize()-w, 0, getFrameSize()+w, getTitleSize()+2-getFrameSize()))
- TQRegion (TQRect (0, getTitleSize()+2+h, getFrameSize()-2, selRect.height()-h-h))
- TQRegion (TQRect (width()-getFrameSize()+2, getTitleSize()+2+h, getFrameSize()-2, selRect.height()-h-h))
- TQRegion (TQRect (getFrameSize()+w, height()-getFrameSize()+2, selRect.width()-w-w, getFrameSize()-2)));
titleBar->setGeometry (getFrameSize()+w, 0, selRect.width()-h-h, getTitleSize());
topLeftCorner->setGeometry (0, getTitleSize()+2-getFrameSize(), getFrameSize()+w, getFrameSize()+h);
topRightCorner->setGeometry (width()-getFrameSize()-w, getTitleSize()+2-getFrameSize(), getFrameSize()+w, getFrameSize()+h);
bottomLeftCorner->setGeometry (0, height()-getFrameSize()-h, getFrameSize()+w, getFrameSize()+h);
bottomRightCorner->setGeometry (width()-getFrameSize()-w, height()-getFrameSize()-h, getFrameSize()+w, getFrameSize()+h);
}
TQRect KMagSelWin::getSelRect ()
{
return TQRect (
x() + getFrameSize(),
y() + getTitleSize()+2,
width() - getFrameSize() - getFrameSize(),
height() - getFrameSize() - getTitleSize()-2);
}
void KMagSelWin::startResizing ()
{
oldSelRect = getSelRect();
}
void KMagSelWin::titleMoved ( TQPoint offset )
{
TQRect selRect = oldSelRect;
selRect.moveBy (offset.x(), offset.y());
setSelRect (selRect);
emit resized ();
}
void KMagSelWin::topLeftResized ( TQPoint offset )
{
setSelRect (TQRect(oldSelRect.topLeft() + offset, oldSelRect.bottomRight ()));
emit resized();
}
void KMagSelWin::topRightResized ( TQPoint offset )
{
setSelRect (TQRect(oldSelRect.topRight() + offset, oldSelRect.bottomLeft ()));
emit resized();
}
void KMagSelWin::bottomLeftResized ( TQPoint offset )
{
setSelRect (TQRect(oldSelRect.bottomLeft() + offset, oldSelRect.topRight ()));
emit resized();
}
void KMagSelWin::bottomRightResized ( TQPoint offset )
{
setSelRect (TQRect(oldSelRect.bottomRight() + offset, oldSelRect.topLeft()));
emit resized();
}
//--------------------------------------------------------------------------
// KMagSelWinCorner
//--------------------------------------------------------------------------
KMagSelWinCorner::KMagSelWinCorner ( TQWidget * parent, const char * name, WFlags f ) :
TQLabel (parent, name, f)
{
setFrameStyle (TQFrame::WinPanel | TQFrame::Raised);
setLineWidth (1);
}
KMagSelWinCorner::~KMagSelWinCorner()
{
}
void KMagSelWinCorner::mousePressEvent ( TQMouseEvent * e )
{
oldPos = e->globalPos ();
emit startResizing ();
}
void KMagSelWinCorner::mouseReleaseEvent ( TQMouseEvent * e )
{
setFrameShadow (TQFrame::Raised);
emit resized (e->globalPos () - oldPos);
}
void KMagSelWinCorner::mouseMoveEvent ( TQMouseEvent * e )
{
emit resized (e->globalPos () - oldPos);
}