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tdeutils/ksim/library/label.cpp

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/* ksim - a system monitor for kde
*
* Copyright (C) 2001 Robbie Ward <linuxphreak@gmx.co.uk>
*
* 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.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "label.h"
#include "label.moc"
#include <ksimconfig.h>
#include "themetypes.h"
#include <tqpainter.h>
#include <tqstyle.h>
#include <tqstylesheet.h>
#include <tqsimplerichtext.h>
#include <tqcursor.h>
#include <tqpixmap.h>
#include <tqimage.h>
#include <themeloader.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kglobalsettings.h>
#include <kconfig.h>
class KSim::Label::Private
{
public:
TQColor mColour;
TQColor sColour;
TQRect loc;
TQRect shad;
TQString text;
TQImage meterImage;
TQPixmap background;
TQPixmap sidePixmap;
bool showShadow;
};
KSim::Label::Label(TQWidget *parent, const char *name, WFlags fl)
: TQWidget(parent, name, fl)
{
initWidget(KSim::Types::None);
}
KSim::Label::Label(int type, TQWidget *parent, const char *name,
WFlags fl) : TQWidget(parent, name, fl)
{
initWidget(type);
}
KSim::Label::Label(int type, const TQString &text, TQWidget *parent,
const char *name, WFlags fl) : TQWidget(parent, name, fl)
{
initWidget(type);
setText(text);
}
KSim::Label::~Label()
{
delete d;
}
const TQString &KSim::Label::text() const
{
return d->text;
}
void KSim::Label::configureObject(bool repaintWidget)
{
TQString image = themeLoader().current().meterPixmap(type(), false);
if (image.isEmpty())
image = themeLoader().current().panelPixmap(type());
d->meterImage.load(image);
KSim::ThemeLoader::self().reColourImage(d->meterImage);
d->background = d->meterImage.smoothScale(size());
TQSize oldSize = sizeHint();
setConfigValues();
relayoutLabel(oldSize, repaintWidget);
}
void KSim::Label::setPixmap(const TQPixmap &pixmap)
{
if (pixmap.serialNumber() == d->sidePixmap.serialNumber())
return;
TQSize oldSize = sizeHint();
d->sidePixmap = pixmap;
relayoutLabel(oldSize);
}
const TQPixmap &KSim::Label::pixmap() const
{
return d->sidePixmap;
}
TQSize KSim::Label::sizeHint() const
{
int width = fontMetrics().size(SingleLine, text()).width();
if (!pixmap().isNull())
width += pixmap().width() + 5;
int height = fontMetrics().height() + 4;
if (!pixmap().isNull() && pixmap().height() > height)
height = pixmap().height();
return TQSize(width, height);
}
TQSize KSim::Label::minimumSizeHint() const
{
return sizeHint();
}
void KSim::Label::clear()
{
setText(TQString());
}
void KSim::Label::setText(const TQString &text)
{
if (text == d->text)
return; // If the text is the same, no need to repaint etc
TQSize oldSize = sizeHint();
// set the text of our widget and repaint
d->text = text;
relayoutLabel(oldSize);
}
void KSim::Label::extraTypeCall()
{
d->meterImage.load(themeLoader().current().meterPixmap(type()));
setConfigValues();
}
void KSim::Label::setShowShadow(bool show)
{
d->showShadow = show;
}
bool KSim::Label::showShadow() const
{
return d->showShadow;
}
void KSim::Label::setTextColour(const TQColor &color)
{
d->mColour = color;
}
const TQColor &KSim::Label::textColour() const
{
return d->mColour;
}
void KSim::Label::setShadowColour(const TQColor &color)
{
d->sColour = color;
}
const TQColor &KSim::Label::shadowColour() const
{
return d->sColour;
}
void KSim::Label::setConfigValues()
{
TQFont newFont = font();
bool repaint = themeLoader().current().fontColours(this,
newFont, d->mColour, d->sColour, d->showShadow);
if (font() != newFont)
setFont(newFont);
if (repaint)
update();
}
void KSim::Label::paintEvent(TQPaintEvent *)
{
TQPainter painter;
painter.begin(this);
// paint our background pixmap onto the widget
painter.drawPixmap(0, 0, d->background);
drawPixmap(&painter, d->loc, pixmap());
if (d->showShadow) { // draw the shadow text on the image
drawText(&painter, d->shad, d->sColour, d->text);
}
// draw the label text onto the widget
painter.setPen(d->mColour);
drawText(&painter, d->loc, d->mColour, d->text);
painter.end();
}
void KSim::Label::resizeEvent(TQResizeEvent *ev)
{
// set the location of where the shadow'ed text will be drawn
d->shad.setWidth(ev->size().width() + 3);
d->shad.setHeight(ev->size().height() + 3);
// set the location of where the text will be drawn
d->loc.setWidth(ev->size().width());
d->loc.setHeight(ev->size().height());
d->background = d->meterImage.smoothScale(ev->size());
}
void KSim::Label::drawText(TQPainter *painter, const TQRect &rect,
const TQColor &color, const TQString &text)
{
TQRect location(rect);
if (!pixmap().isNull())
location.setX(pixmap().width() + 5);
style().drawItem(painter, location, AlignCenter, colorGroup(), true,
0, text, -1, &color);
}
void KSim::Label::drawPixmap(TQPainter *painter, const TQRect &rect,
const TQPixmap &pixmap)
{
TQRect location(rect);
location.setWidth(pixmap.width());
style().drawItem(painter, location, AlignCenter, colorGroup(), true,
pixmap.isNull() ? 0 : &pixmap, TQString());
}
void KSim::Label::setTextLocation(const TQRect &rect)
{
d->loc = rect;
}
const TQRect &KSim::Label::textLocation() const
{
return d->loc;
}
void KSim::Label::setShadowLocation(const TQRect &rect)
{
d->shad = rect;
}
const TQRect &KSim::Label::shadowLocation() const
{
return d->shad;
}
void KSim::Label::setThemePixmap(const TQString &image)
{
TQSize oldSize = sizeHint();
d->meterImage.reset();
d->meterImage.load(image);
KSim::ThemeLoader::self().reColourImage(d->meterImage);
d->background = d->meterImage.smoothScale(size());
relayoutLabel(oldSize);
}
void KSim::Label::relayoutLabel(const TQSize &old, bool repaint)
{
if (sizeHint() != old) {
updateGeometry();
}
if (repaint)
update();
}
void KSim::Label::initWidget(int type)
{
d = new Private;
setType(type);
setConfigString("StyleMeter");
// try to reduce flicker as much as possible
setBackgroundMode(NoBackground);
setSizePolicy(TQSizePolicy(TQSizePolicy::MinimumExpanding,
TQSizePolicy::Fixed));
configureObject();
}