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/***************************************************************************
*
* Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#include <tqlistview.h>
#include <tqpainter.h>
#include <kcolordialog.h>
#include "prefcolor.h"
#include "kscopeconfig.h"
/**
* A list view item that shows the name of a GUI element and the colour
* associated with it.
* The colour is presented in the form of a rectangle filled with that
* colour.
* @author Elad Lahav
*/
class ColorListItem : public TQListViewItem
{
public:
/**
* Class constructor.
* @param pList The owner list view
* @param ce The GUI element shown by this item
*/
ColorListItem(TQListView* pList, KScopeConfig::ColorElement ce) :
TQListViewItem(pList, Config().getColorName(ce), ""),
m_ce(ce) {
setColor(Config().getColor(ce));
}
/**
* @return The GUI element shown by this item
*/
KScopeConfig::ColorElement getElement() { return m_ce; }
/**
* Changes the colour associated with this item.
* The function assigns a pixmap to the item which shows a rectangle
* filled with the requested colour.
* The colour set by this function is returned by getColor().
* @param clr The colour to set
*/
void setColor(TQColor clr) {
TQPixmap pix;
TQPainter painter;
int nWidth, nHeight;
// Remember the colour
m_clr = clr;
// Set the pixmap's size to fit into the list field
nWidth = listView()->columnWidth(1) - 1;
nHeight = height();
pix.resize(nWidth, nHeight);
// Draw on the pixmap
painter.begin(&pix);
painter.setBrush(clr);
painter.drawRect(0, 0, nWidth, nHeight);
painter.end();
// Set the pixmap to the item
setPixmap(1, pix);
}
/**
* @return The colour associated with this item
*/
TQColor getColor() { return m_clr; }
private:
/** The GUI element shown by this item. */
KScopeConfig::ColorElement m_ce;
/** The colour associated with this item. */
TQColor m_clr;
};
/**
* Class constructor.
* @param pParent The parent widget
* @param szName The widget's name
*/
PrefColor::PrefColor(TQWidget* pParent, const char* szName) :
PrefColorLayout(pParent, szName)
{
m_pList->setColumnWidthMode(1, TQListView::Manual);
// Set initial values
load();
}
/**
* Class destructor.
*/
PrefColor::~PrefColor()
{
}
/**
* Reads the current settings from the configuration object, and applies them
* the the page's widget.
*/
void PrefColor::load()
{
uint i;
ColorListItem* pItem;
// Create a list item for every GUI element
for (i = 0; i <= KScopeConfig::LAST_COLOR; i++)
pItem = new ColorListItem(m_pList, (KScopeConfig::ColorElement)i);
}
/**
* Commits settings changes to the configuration object.
*/
void PrefColor::apply()
{
ColorListItem* pItem;
// Create a list item for every GUI element
for (pItem = (ColorListItem*)m_pList->firstChild(); pItem != NULL;
pItem = (ColorListItem*)pItem->nextSibling()) {
Config().setColor(pItem->getElement(), pItem->getColor());
}
}
/**
* Displays a colour selection dialogue when an item is selected.
* If the user chooses a new colour, it is set to the selected item.
* This slot is connected to both the doubleClicked() and the returnPressed()
* signals of the list view.
* @param pItem The selected item
*/
void PrefColor::slotItemSelected(TQListViewItem* pItem)
{
ColorListItem* pClrItem;
TQColor clr;
pClrItem = (ColorListItem*)pItem;
if (KColorDialog::getColor(clr, pClrItem->getColor()) ==
TQDialog::Accepted) {
pClrItem->setColor(clr);
emit modified();
}
}
#include "prefcolor.moc"
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