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-rw-r--r--kwin-styles/glow/glowbutton.cpp339
1 files changed, 0 insertions, 339 deletions
diff --git a/kwin-styles/glow/glowbutton.cpp b/kwin-styles/glow/glowbutton.cpp
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index 87079c2e..00000000
--- a/kwin-styles/glow/glowbutton.cpp
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-/***************************************************************************
- glowbutton.cpp - description
- -------------------
- begin : Thu Sep 6 2001
- copyright : (C) 2001 by Henning Burchardt
- email : h_burchardt@gmx.net
- ***************************************************************************/
-
-/***************************************************************************
- * *
- * 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 <math.h>
-#include <iostream>
-#include <vector>
-#include <tqmap.h>
-#include <tqpixmap.h>
-#include <tqpixmapcache.h>
-#include <tqbitmap.h>
-#include <tqpainter.h>
-#include <tqimage.h>
-#include <tqtimer.h>
-#include <tqtooltip.h>
-#include <kdecoration.h>
-#include <kiconeffect.h>
-#include "glowbutton.h"
-
-namespace Glow
-{
-
-//-----------------------------------------------------------------------------
-// PixmapCache
-//-----------------------------------------------------------------------------
-
-TQMap<TQString, const TQPixmap*> PixmapCache::m_pixmapMap;
-
-const TQPixmap* PixmapCache::find(const TQString& key)
-{
- TQMap<TQString, const TQPixmap*>::const_iterator it =
- m_pixmapMap.find(key);
- if( it != m_pixmapMap.end() )
- return *it;
- else
- return 0;
-}
-
-void PixmapCache::insert(const TQString& key, const TQPixmap *pixmap)
-{
- m_pixmapMap[key] = pixmap;
-}
-
-void PixmapCache::erase(const TQString& key)
-{
- TQMap<TQString, const TQPixmap*>::iterator it =
- m_pixmapMap.find(key);
- if (it != m_pixmapMap.end())
- {
- delete *it;
- m_pixmapMap.erase(it);
- }
-}
-
-void PixmapCache::clear()
-{
- // delete all pixmaps in the cache
- TQMap<TQString, const TQPixmap*>::const_iterator it
- = m_pixmapMap.begin();
- for(; it != m_pixmapMap.end(); ++it)
- delete *it;
- m_pixmapMap.clear();
-}
-
-//-----------------------------------------------------------------------------
-// GlowButton
-//-----------------------------------------------------------------------------
-
-GlowButton::GlowButton(TQWidget *parent, const char *name,
- const TQString& tip, const int realizeBtns)
- : TQButton(parent, name)
-{
- m_realizeButtons = realizeBtns;
-
- _steps = 0;
- m_updateTime = 50;
- m_pixmapName = TQString();
-
- m_timer = new TQTimer(this);
- connect(m_timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(slotTimeout()));
- m_pos = 0;
- m_timertqStatus = Stop;
-
- setTipText (tip);
- setCursor(arrowCursor);
-}
-
-GlowButton::~GlowButton()
-{
-}
-
-void GlowButton::setTipText( const TQString& tip )
-{
- if (KDecoration::options()->showTooltips())
- {
- TQToolTip::remove( this );
- TQToolTip::add( this, tip );
- }
-}
-
-TQString GlowButton::getPixmapName() const
-{
- return m_pixmapName;
-}
-
-TQt::ButtonState GlowButton::lastButton() const
-{
- return _last_button;
-}
-
-void GlowButton::setPixmapName(const TQString& pixmapName)
-{
- m_pixmapName = pixmapName;
-
- const TQPixmap *pixmap = PixmapCache::find(pixmapName);
- if( ! pixmap )
- return;
-
- // set steps
- _steps = pixmap->height()/pixmap->width() - 1;
-
- tqrepaint(false);
-}
-
-void GlowButton::paintEvent( TQPaintEvent *e )
-{
- TQWidget::paintEvent(e);
- const TQPixmap *pixmap = PixmapCache::find(m_pixmapName);
- if( pixmap != 0 )
- {
- int pos = m_pos>=0?m_pos:-m_pos;
- TQPainter p;
- TQPixmap pm (pixmap->size());
- p.begin(&pm);
- const TQPixmap * bg_pixmap = PixmapCache::find(
- TQString::number(parentWidget()->winId()));
- p.drawPixmap (0, 0, *bg_pixmap, x(), y(), width(), height());
- p.drawPixmap (0, 0, *pixmap, 0, pos*height(), width(), height());
- p.end();
- p.begin(this);
- p.drawPixmap (0, 0, pm);
- p.end();
- }
-}
-
-void GlowButton::enterEvent( TQEvent *e )
-{
- if( m_pos<0 )
- m_pos=-m_pos;
- m_timertqStatus = Run;
- if( ! m_timer->isActive() )
- m_timer->start(m_updateTime);
- TQButton::enterEvent(e);
-}
-
-void GlowButton::leaveEvent( TQEvent *e )
-{
- m_timertqStatus = Stop;
- if( ! m_timer->isActive() )
- m_timer->start(m_updateTime);
- TQButton::leaveEvent(e);
-}
-
-void GlowButton::mousePressEvent( TQMouseEvent *e )
-{
- _last_button = e->button();
- if( m_timer->isActive() )
- m_timer->stop();
- m_pos = _steps;
- tqrepaint(false);
- // without pretending LeftButton, clicking on the button with MidButton
- // or RightButton would cause unwanted titlebar action
- TQMouseEvent me (e->type(), e->pos(), e->globalPos(),
- (e->button()&m_realizeButtons)?Qt::LeftButton:Qt::NoButton, e->state());
- TQButton::mousePressEvent(&me);
-}
-
-void GlowButton::mouseReleaseEvent( TQMouseEvent *e )
-{
- _last_button = e->button();
- TQPoint p = mapToParent(mapFromGlobal(e->globalPos()));
- if( ! m_timer->isActive() ) {
- m_timer->start(m_updateTime);
- }
- if( ! tqgeometry().contains(p) ) {
- m_timertqStatus = Stop;
- }
- TQMouseEvent me (e->type(), e->pos(), e->globalPos(),
- (e->button()&m_realizeButtons)?Qt::LeftButton:Qt::NoButton, e->state());
- TQButton::mouseReleaseEvent(&me);
-}
-
-void GlowButton::slotTimeout()
-{
- tqrepaint(false);
-
- if( m_pos>=_steps-1 ) {
- m_pos = -m_pos;
- }
- if( m_timertqStatus==Stop ) {
- if( m_pos==0 ) {
- m_timer->stop();
- return;
- } else if( m_pos>0 ) {
- m_pos = -m_pos;
- }
- }
-
- m_pos++;
-}
-
-//-----------------------------------------------------------------------------
-// GlowButtonFactory
-//-----------------------------------------------------------------------------
-
-GlowButtonFactory::GlowButtonFactory()
-{
- _steps = 20;
-}
-
-int GlowButtonFactory::getSteps()
-{
- return _steps;
-}
-
-void GlowButtonFactory::setSteps(int steps)
-{
- _steps = steps;
-}
-
-TQPixmap * GlowButtonFactory::createGlowButtonPixmap(
- const TQImage & bg_image,
- const TQImage & fg_image,
- const TQImage & glow_image,
- const TQColor & color,
- const TQColor & glow_color)
-{
- if (bg_image.size() != fg_image.size()
- || fg_image.size() != glow_image.size()) {
- std::cerr << "Image size error" << std::endl;
- return new TQPixmap();
- }
-
- TQImage colorized_bg_image = bg_image.copy();
- KIconEffect::colorize (colorized_bg_image, color, 1.0);
-
- int w = colorized_bg_image.width();
- int h = colorized_bg_image.height();
-
- TQImage image (w, (_steps+1)*h, 32);
- image.setAlphaBuffer (true);
- for (int i=0; i<_steps+1; ++i) {
- for (int y=0; y<h; ++y) {
- uint * src1_line = (uint*) colorized_bg_image.scanLine (y);
- uint * src2_line = (uint*) fg_image.scanLine (y);
- uint * dst_line = (uint*) image.scanLine (i*h+y);
- for (int x=0; x<w; ++x) {
- int r = tqRed (*(src1_line+x));
- int g = tqGreen (*(src1_line+x));
- int b = tqBlue (*(src1_line+x));
- int a = TQMAX (tqAlpha(*(src1_line+x)),tqGray(*(src2_line+x)));
- *(dst_line+x) = tqRgba (r, g, b, a);
- }
- }
- }
- TQPixmap * pixmap = new TQPixmap (image);
- TQPainter painter (pixmap);
-
- bool dark = (tqGray(color.rgb()) <= 127);
- TQImage fg_img (w, h, 32);
- fg_img.setAlphaBuffer (true);
- for (int y=0; y<h; ++y) {
- uint * src_line = (uint*) fg_image.scanLine (y);
- uint * dst_line = (uint*) fg_img.scanLine (y);
- for (int x=0; x<w; ++x) {
- int alpha = tqGray (*(src_line+x));
- if (dark)
- *(dst_line+x) = tqRgba (255, 255, 255, alpha);
- else
- *(dst_line+x) = tqRgba (0, 0, 0, alpha);
- }
- }
-
- int r = glow_color.red();
- int g = glow_color.green();
- int b = glow_color.blue();
- TQImage glow_img (w, h, 32);
- glow_img.setAlphaBuffer (true);
- for (int i=0; i<_steps; ++i) {
- painter.drawImage (0, i*h, fg_img);
- for (int y=0; y<h; ++y) {
- uint * src_line = (uint*) glow_image.scanLine(y);
- uint * dst_line = (uint*) glow_img.scanLine(y);
- for (int x=0; x<w; ++x) {
- int alpha =
- (int) (tqGray (*(src_line+x)) * ((double) i/_steps));
- *(dst_line+x) = tqRgba (r, g, b, alpha);
- }
- }
- painter.drawImage (0, i*h, glow_img);
- }
- painter.drawImage (0, _steps*h, fg_img);
- for (int y=0; y<h; ++y) {
- uint * src_line = (uint*) glow_image.scanLine (y);
- uint * dst_line = (uint*) glow_img.scanLine (y);
- for (int x=0; x<w; ++x) {
- int alpha = tqGray (*(src_line+x));
- *(dst_line+x) = tqRgba (r, g, b, alpha);
- }
- }
- painter.drawImage (0, _steps*h, glow_img);
-
- return pixmap;
-}
-
-GlowButton* GlowButtonFactory::createGlowButton(
- TQWidget *parent, const char* name, const TQString& tip, const int realizeBtns)
-{
- GlowButton *glowButton = new GlowButton(parent, name, tip, realizeBtns);
- return glowButton;
-}
-
-}
-
-#include "glowbutton.moc"
-
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