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