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/*
Scrolling song title for winamp Skin
Copyright (C) 1999 Martin Vogt
Copyright (C) 2001 Ryan Cumming
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.
For more information look at the file COPYRIGHT in this package
*/
#include <qpainter.h>
#include <qpixmap.h>
#include <stdlib.h>
#include <kconfig.h>
#include <kglobal.h>
#include "waInfo.h"
#include "waSkinModel.h"
WaInfo::WaInfo() : WaWidget(_WA_MAPPING_INFO)
{
connect(WaSkinModel::instance(), SIGNAL(skinChanged()),
this, SLOT(pixmapChange()));
completePixmap = new QPixmap();
QSize size = sizeHint();
completePixmap->resize(size.width(), size.height());
xGrabbedPos = -1;
timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(timeEvent()));
}
WaInfo::~WaInfo()
{
delete completePixmap;
}
void WaInfo::timeEvent()
{
if ((xGrabbedPos == -1) && (xScrollDirection)) {
xScrollPos += xScrollDirection;
if (abs(xScrollPos) > completePixmap->width()) {
xScrollPos = 0;
}
if (isVisible())
repaint(false);
}
}
void WaInfo::scrollerSetup()
{
xScrollPos = 0;
xScrollDirection = 0;
timer->stop();
QSize size = sizeHint();
if (completePixmap->width() > size.width()) {
xScrollDirection = 1;
KConfig *config=KGlobal::config();
config->setGroup("Winskin");
int s = config->readNumEntry("ScrollDelay", 15);
if (s!=0)
timer->start(50-s);
}
}
void WaInfo::paintEvent(QPaintEvent *)
{
QSize size = sizeHint();
if (completePixmap->width() <= size.width()) {
bitBlt(this, 0, 0, completePixmap);
return;
}
// pixmap widther than window:
int xDrawWidth;
int xRestWidth;
xDrawWidth = completePixmap->width() - xScrollPos;
if (xDrawWidth > size.width()) {
xDrawWidth = size.width();
}
bitBlt(this, 0, 0, completePixmap, xScrollPos, 0, xDrawWidth);
if (xDrawWidth < size.width()) {
xRestWidth = size.width() - xDrawWidth;
bitBlt(this, xDrawWidth, 0, completePixmap, 0, 0, xRestWidth);
}
}
void WaInfo::setText(QString song)
{
if (_text != song) {
_text = song;
pixmapChange();
}
}
QString WaInfo::text() const
{
return _text;
}
void WaInfo::pixmapChange()
{
int i;
const char *infoString = _text.latin1();
int x = 0;
int n=infoString ? strlen(infoString) : 0;
QSize size = sizeHint();
completePixmap->resize(QMAX(n * _WA_TEXT_WIDTH, size.width()), _WA_TEXT_HEIGHT);
for (i = 0; i < n; i++) {
WaSkinModel::instance()->getText(infoString[i], completePixmap, x, 0);
x += _WA_TEXT_WIDTH;
}
// if the size is now smaller than the with of this widget, we
// fill the pixmap with spaces
if (x < size.width()) {
while (x < size.width()) {
WaSkinModel::instance()->getText(' ', completePixmap, x, 0);
x += _WA_TEXT_WIDTH;
}
}
scrollerSetup();
update();
}
void WaInfo::mousePressEvent (QMouseEvent *e) {
if (e->button() == LeftButton)
xGrabbedPos = (e->x() + xScrollPos) % completePixmap->width();
}
void WaInfo::mouseMoveEvent (QMouseEvent * e) {
xScrollPos = -e->x() + xGrabbedPos;
if (xScrollPos < 0)
xScrollPos = completePixmap->width() - (-xScrollPos % completePixmap->width());
else
xScrollPos %= completePixmap->width();
update();
}
void WaInfo::mouseReleaseEvent (QMouseEvent *) {
xGrabbedPos = -1;
}
#include "waInfo.moc"
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