diff options
Diffstat (limited to 'superkaramba/src/textlabel.cpp')
| -rw-r--r-- | superkaramba/src/textlabel.cpp | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/superkaramba/src/textlabel.cpp b/superkaramba/src/textlabel.cpp new file mode 100644 index 0000000..69fb841 --- /dev/null +++ b/superkaramba/src/textlabel.cpp @@ -0,0 +1,379 @@ +/*************************************************************************** + * Copyright (C) 2003 by Hans Karlsson * + * karlsson.h@home.se * + * * + * 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 <krun.h> +#include <stdlib.h> +#include "textlabel.h" + +TextLabel::TextLabel(karamba *k, int x,int y,int w,int h): + Meter(k, x,y,w,h), alignment(Qt::AlignLeft), clip(0), bgColor(0, 0, 0), + lineHeight(0), shadow(0), scrollSpeed(0, 0), scrollPos(0, 0), scrollGap(0), + scrollPause(0), pauseCounter(0), scrollType(ScrollNone) +{ + calculateTextSize(); + if( h != 0 || w != 0) + clip = 0; + else + clip = Qt::DontClip; + + if( h == 0 || w == 0) + { + setWidth(-1); + setHeight(-1); + } +} + +TextLabel::TextLabel(karamba *k): + Meter(k, 0, 0, 0, 0), alignment(Qt::AlignLeft), clip(0), bgColor(0, 0, 0), + lineHeight(0), shadow(0), scrollSpeed(0, 0), scrollPos(0, 0), scrollGap(0), + scrollPause(0), pauseCounter(0), scrollType(ScrollNone) +{ +} + +TextLabel::~TextLabel() +{ +} + +void TextLabel::show() +{ + Meter::show(); + setEnabled(true); +} + +void TextLabel::hide() +{ + Meter::hide(); + setEnabled(false); +} + +void TextLabel::setTextProps( TextField* t ) +{ + if(t) + { + text = *t; + //lineHeight = t->getLineHeight(); + shadow = t->getShadow(); + alignment = t->getAlignment(); + setFontSize(t->getFontSize()); + setFont(t->getFont()); + + setColor(t->getColor()); + setBGColor(t->getBGColor()); + } + calculateTextSize(); +} + +void TextLabel::calculateTextSize() +{ + int tmp; + QFontMetrics fm(font); + lineHeight = fm.height(); + textSize.setWidth(0); + textSize.setHeight(lineHeight * value.count()); + QStringList::Iterator it = value.begin(); + while(it != value.end()) + { + tmp = fm.width(*it); + if(tmp > textSize.width()) + textSize.setWidth(tmp); + ++it; + } +} + +void TextLabel::setValue( QString text) +{ + value = QStringList::split('\n',text); + calculateTextSize(); +} + +void TextLabel::setValue( long v) +{ + value = QStringList( QString::number( v ) ); + calculateTextSize(); +} + +void TextLabel::setBGColor(QColor clr) +{ + bgColor = clr; +} + +QColor TextLabel::getBGColor() const +{ + return bgColor; +} + +void TextLabel::setFont(QString f) +{ + font.setFamily(f); + calculateTextSize(); +} + +QString TextLabel::getFont() const +{ + return font.family(); +} + +void TextLabel::setFontSize(int size) +{ + font.setPixelSize(size); + calculateTextSize(); +} + +int TextLabel::getFontSize() const +{ + return font.pixelSize(); +} + +void TextLabel::setAlignment( QString align ) +{ + QString a = align.upper(); + if( a == "LEFT" || a.isEmpty() ) + alignment = Qt::AlignLeft; + if( a == "RIGHT" ) + alignment = Qt::AlignRight; + if( a == "CENTER" ) + alignment = Qt::AlignHCenter; +} + +QString TextLabel::getAlignment() const +{ + if( alignment == Qt::AlignHCenter ) + return "CENTER"; + else if( alignment == Qt::AlignRight ) + return "RIGHT"; + else + return "LEFT"; +} + +void TextLabel::setFixedPitch( bool fp) +{ + font.setFixedPitch( fp ); +} + +bool TextLabel::getFixedPitch() const +{ + return font.fixedPitch(); +} + +void TextLabel::setShadow ( int s ) +{ + shadow = s; +} + +int TextLabel::getShadow() const +{ + return shadow; +} + +void TextLabel::setScroll(char* type, QPoint speed, int gap, int pause) +{ + ScrollType t = TextLabel::ScrollNone; + QString a = type; + a = a.upper(); + if(a == "NONE") + t = TextLabel::ScrollNone; + else if( a == "NORMAL" ) + t = TextLabel::ScrollNormal; + else if( a == "BACKANDFORTH" ) + t = TextLabel::ScrollBackAndForth; + else if( a == "ONEPASS" ) + t = TextLabel::ScrollOnePass; + setScroll(t, speed, gap, pause); +} + +void TextLabel::setScroll(ScrollType type, QPoint speed, int gap, int pause) +{ + scrollType = type; + scrollSpeed = speed; + switch(scrollType) + { + case ScrollNormal: + case ScrollOnePass: + { + int x = 0, y = 0; + + if(speed.x() > 0) + x = -1 * textSize.width(); + else if(speed.x() < 0) + x = getWidth()-1; + if(speed.y() > 0) + x = -1 * textSize.height(); + else if(speed.y() < 0) + x = getHeight()-1; + scrollPos = QPoint(x,y); + break; + } + case ScrollNone: + case ScrollBackAndForth: + default: + scrollPos = QPoint(0,0); + break; + } + scrollGap = gap; + scrollPause = pause; + pauseCounter = 1; +} + +int TextLabel::drawText(QPainter *p, int x, int y, int width, int height, + QString text) +{ + if( shadow != 0) + { + p->setPen(getBGColor()); + p->drawText(x + shadow, y + shadow, width, height, + alignment | clip | Qt::ExpandTabs, text); + } + p->setPen(getColor()); + p->drawText(x, y, width, height, alignment | clip | Qt::ExpandTabs, text); + return 0; +} + +bool TextLabel::calculateScrollCoords(QRect meterRect, QRect &textRect, + QPoint &next, int &x, int &y) +{ + if(scrollType == ScrollBackAndForth && + (scrollSpeed.x() != 0 && textSize.width() < getWidth() || + scrollSpeed.y() != 0 && textSize.height() < getHeight())) + return true; + + x += scrollPos.x(); + y += scrollPos.y(); + + if(pauseCounter < 1) + { + scrollPos += scrollSpeed; + + // -1 | 0 | 1 + QPoint direction(scrollSpeed.x()/abs((scrollSpeed.x() == 0)? + 1:scrollSpeed.x()), + scrollSpeed.y()/abs((scrollSpeed.y() == 0)? + 1:scrollSpeed.y())); + next = QPoint(-1 * direction.x() * (scrollGap + textSize.width()), + -1 * direction.y() * (scrollGap + textSize.height())); + textRect.setCoords(x, y, x + textSize.width(), y + textSize.height()); + + if(scrollType == ScrollBackAndForth) + { + if(direction.x() < 0 && textRect.right() <= meterRect.right() || + direction.x() > 0 && textRect.left() >= meterRect.left()) + { + scrollSpeed.setX(scrollSpeed.x() * -1); + pauseCounter = scrollPause; + } + if(direction.y() < 0 && textRect.bottom() <= meterRect.bottom() || + direction.y() > 0 && textRect.top() >= meterRect.top()) + { + scrollSpeed.setY(scrollSpeed.y() * -1); + pauseCounter = scrollPause; + } + } + else if(!textRect.intersects(meterRect)) + { + if(scrollType == ScrollNormal) + scrollPos += next; + else if(scrollType == ScrollOnePass) + return false; + } + } + else + --pauseCounter; + return true; +} + +void TextLabel::mUpdate(QPainter *p) +{ + if (hidden != 1) + { + int i = 0; //lineHeight; + int row = 1; + int x = getX(); + int y = getY(); + int width = getWidth(); + int height = getHeight(); + QRect meterRect(x, y, width, height); + QRect textRect; + QPoint next; + + p->setFont(font); + if(scrollType != ScrollNone) + { + p->setClipRect(x, y, width, height); + if(!calculateScrollCoords(meterRect, textRect, next, x, y)) + { + p->setClipping(false); + return; + } + width = textSize.width(); + height = textSize.height(); + } + QStringList::Iterator it = value.begin(); + while(it != value.end() && (row <= height || height == -1 )) + { + drawText(p, x, y + i, width, height, *it); + + // Draw more instances of text if scroll type is normal scroll + if(scrollType == ScrollNormal) + { + textRect.addCoords(next.x(), next.y(), next.x(), next.y()); + while(textRect.intersects(meterRect)) + { + drawText(p, textRect.x(), textRect.y() + i, width, height, *it); + textRect.addCoords(next.x(), next.y(), next.x(), next.y()); + } + } + i += lineHeight; + it++; + row++; + } + if(scrollType != ScrollNone) + p->setClipping(false); + } +} + +bool TextLabel::click(QMouseEvent* e) +{ + if (getBoundingBox().contains(e -> x(), e -> y()) && isEnabled()) + { + QString program; + if (e -> button() == Qt::LeftButton) + { + program = leftButtonAction; + } + else if (e -> button() == Qt::MidButton) + { + program = middleButtonAction; + } + else if (e -> button() == Qt::RightButton) + { + program = rightButtonAction; + } + + if( !program.isEmpty() ) + { + KRun::runCommand(program); + } + else + { + return true; + } + } + return false; +} + +void TextLabel::attachClickArea(QString leftMouseButton, + QString middleMouseButton, + QString rightMouseButton) +{ + leftButtonAction = leftMouseButton; + middleButtonAction = middleMouseButton; + rightButtonAction = rightMouseButton; +} + +#include "textlabel.moc" |