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author | Timothy Pearson <[email protected]> | 2011-11-06 15:56:40 -0600 |
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committer | Timothy Pearson <[email protected]> | 2011-11-06 15:56:40 -0600 |
commit | e16866e072f94410321d70daedbcb855ea878cac (patch) | |
tree | ee3f52eabde7da1a0e6ca845fb9c2813cf1558cf /tdeui/kled.cpp | |
parent | a58c20c1a7593631a1b50213c805507ebc16adaf (diff) | |
download | tdelibs-e16866e072f94410321d70daedbcb855ea878cac.tar.gz tdelibs-e16866e072f94410321d70daedbcb855ea878cac.zip |
Actually move the kde files that were renamed in the last commit
Diffstat (limited to 'tdeui/kled.cpp')
-rw-r--r-- | tdeui/kled.cpp | 644 |
1 files changed, 644 insertions, 0 deletions
diff --git a/tdeui/kled.cpp b/tdeui/kled.cpp new file mode 100644 index 000000000..aebf6ce26 --- /dev/null +++ b/tdeui/kled.cpp @@ -0,0 +1,644 @@ +/* This file is part of the KDE libraries + Copyright (C) 1998 J�rg Habenicht ([email protected]) + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + + +#define PAINT_BENCH +#undef PAINT_BENCH + +#ifdef PAINT_BENCH +#include <tqdatetime.h> +#include <stdio.h> +#endif + + +#include <tqpainter.h> +#include <tqimage.h> +#include <tqcolor.h> +#include <kapplication.h> +#include <kpixmapeffect.h> +#include "kled.h" + + +class KLed::KLedPrivate +{ + friend class KLed; + + int dark_factor; + TQColor offcolor; + TQPixmap *off_map; + TQPixmap *on_map; +}; + + + +KLed::KLed(TQWidget *parent, const char *name) + : TQWidget( parent, name), + led_state(On), + led_look(Raised), + led_tqshape(Circular) +{ + TQColor col(green); + d = new KLed::KLedPrivate; + d->dark_factor = 300; + d->offcolor = col.dark(300); + d->off_map = 0; + d->on_map = 0; + + setColor(col); +} + + +KLed::KLed(const TQColor& col, TQWidget *parent, const char *name) + : TQWidget( parent, name), + led_state(On), + led_look(Raised), + led_tqshape(Circular) +{ + d = new KLed::KLedPrivate; + d->dark_factor = 300; + d->offcolor = col.dark(300); + d->off_map = 0; + d->on_map = 0; + + setColor(col); + //setShape(Circular); +} + +KLed::KLed(const TQColor& col, KLed::State state, + KLed::Look look, KLed::Shape tqshape, TQWidget *parent, const char *name ) + : TQWidget(parent, name), + led_state(state), + led_look(look), + led_tqshape(tqshape) +{ + d = new KLed::KLedPrivate; + d->dark_factor = 300; + d->offcolor = col.dark(300); + d->off_map = 0; + d->on_map = 0; + + //setShape(tqshape); + setColor(col); +} + + +KLed::~KLed() +{ + delete d->off_map; + delete d->on_map; + delete d; +} + +void +KLed::paintEvent(TQPaintEvent *) +{ +#ifdef PAINT_BENCH + const int rounds = 1000; + TQTime t; + t.start(); + for (int i=0; i<rounds; i++) { +#endif + switch(led_tqshape) + { + case Rectangular: + switch (led_look) + { + case Sunken : + paintRectFrame(false); + break; + case Raised : + paintRectFrame(true); + break; + case Flat : + paintRect(); + break; + default : + qWarning("%s: in class KLed: no KLed::Look set",tqApp->argv()[0]); + } + break; + case Circular: + switch (led_look) + { + case Flat : + paintFlat(); + break; + case Raised : + paintRound(); + break; + case Sunken : + paintSunken(); + break; + default: + qWarning("%s: in class KLed: no KLed::Look set",tqApp->argv()[0]); + } + break; + default: + qWarning("%s: in class KLed: no KLed::Shape set",tqApp->argv()[0]); + break; + } +#ifdef PAINT_BENCH + } + int ready = t.elapsed(); + qWarning("elapsed: %d msec. for %d rounds", ready, rounds); +#endif +} + +int +KLed::ensureRoundLed() +{ + // Initialize coordinates, width, and height of the LED + // + int width = this->width(); + // Make sure the LED is round! + if (width > this->height()) + width = this->height(); + width -= 2; // leave one pixel border + if (width < 0) + width = 0; + + return width; +} + +bool +KLed::paintCachedPixmap() +{ + if (led_state) { + if (d->on_map) { + TQPainter paint(this); + paint.drawPixmap(0, 0, *d->on_map); + return true; + } + } else { + if (d->off_map) { + TQPainter paint(this); + paint.drawPixmap(0, 0, *d->off_map); + return true; + } + } + + return false; +} + +void +KLed::paintFlat() // paint a ROUND FLAT led lamp +{ + if (paintCachedPixmap()) return; + + TQPainter paint; + TQColor color; + TQBrush brush; + TQPen pen; + + int width = ensureRoundLed(); + + + int scale = 3; + TQPixmap *tmpMap = 0; + + width *= scale; + + tmpMap = new TQPixmap(width + 6, width + 6); + tmpMap->fill(paletteBackgroundColor()); + + // start painting widget + // + paint.begin(tmpMap); + + // Set the color of the LED according to given parameters + color = ( led_state ) ? led_color : d->offcolor; + + // Set the brush to SolidPattern, this fills the entire area + // of the ellipse which is drawn with a thin gray "border" (pen) + brush.setStyle( Qt::SolidPattern ); + brush.setColor( color ); + + pen.setWidth( scale ); + color = tqcolorGroup().dark(); + pen.setColor( color ); // Set the pen accordingly + + paint.setPen( pen ); // Select pen for drawing + paint.setBrush( brush ); // Assign the brush to the painter + + // Draws a "flat" LED with the given color: + paint.drawEllipse( scale, scale, width - scale * 2, width - scale * 2 ); + + paint.end(); + // + // painting done + TQPixmap *&dest = led_state ? d->on_map : d->off_map; + TQImage i = tmpMap->convertToImage(); + width /= 3; + i = i.smoothScale(width, width); + delete tmpMap; + dest = new TQPixmap(i); + paint.begin(this); + paint.drawPixmap(0, 0, *dest); + paint.end(); + +} + +void +KLed::paintRound() // paint a ROUND RAISED led lamp +{ + if (paintCachedPixmap()) return; + + TQPainter paint; + TQColor color; + TQBrush brush; + TQPen pen; + + // Initialize coordinates, width, and height of the LED + int width = ensureRoundLed(); + + int scale = 3; + TQPixmap *tmpMap = 0; + + width *= scale; + + tmpMap = new TQPixmap(width + 6, width + 6); + tmpMap->fill(paletteBackgroundColor()); + paint.begin(tmpMap); + + // Set the color of the LED according to given parameters + color = ( led_state ) ? led_color : d->offcolor; + + // Set the brush to SolidPattern, this fills the entire area + // of the ellipse which is drawn first + brush.setStyle( Qt::SolidPattern ); + brush.setColor( color ); + paint.setBrush( brush ); // Assign the brush to the painter + + // Draws a "flat" LED with the given color: + paint.drawEllipse( scale, scale, width - scale*2, width - scale*2 ); + + // Draw the bright light spot of the LED now, using modified "old" + // painter routine taken from KDEUI�s KLed widget: + + // Setting the new width of the pen is essential to avoid "pixelized" + // shadow like it can be observed with the old LED code + pen.setWidth( 2 * scale ); + + // shrink the light on the LED to a size about 2/3 of the complete LED + int pos = width/5 + 1; + int light_width = width; + light_width *= 2; + light_width /= 3; + + // Calculate the LED�s "light factor": + int light_quote = (130*2/(light_width?light_width:1))+100; + + // Now draw the bright spot on the LED: + while (light_width) { + color = color.light( light_quote ); // make color lighter + pen.setColor( color ); // set color as pen color + paint.setPen( pen ); // select the pen for drawing + paint.drawEllipse( pos, pos, light_width, light_width ); // draw the ellipse (circle) + light_width--; + if (!light_width) + break; + paint.drawEllipse( pos, pos, light_width, light_width ); + light_width--; + if (!light_width) + break; + paint.drawEllipse( pos, pos, light_width, light_width ); + pos++; light_width--; + } + + // Drawing of bright spot finished, now draw a thin gray border + // around the LED; it looks nicer that way. We do this here to + // avoid that the border can be erased by the bright spot of the LED + + pen.setWidth( 2 * scale + 1 ); + color = tqcolorGroup().dark(); + pen.setColor( color ); // Set the pen accordingly + paint.setPen( pen ); // Select pen for drawing + brush.setStyle( Qt::NoBrush ); // Switch off the brush + paint.setBrush( brush ); // This avoids filling of the ellipse + + paint.drawEllipse( 2, 2, width, width ); + + paint.end(); + // + // painting done + TQPixmap *&dest = led_state ? d->on_map : d->off_map; + TQImage i = tmpMap->convertToImage(); + width /= 3; + i = i.smoothScale(width, width); + delete tmpMap; + dest = new TQPixmap(i); + paint.begin(this); + paint.drawPixmap(0, 0, *dest); + paint.end(); + +} + +void +KLed::paintSunken() // paint a ROUND SUNKEN led lamp +{ + if (paintCachedPixmap()) return; + + TQPainter paint; + TQColor color; + TQBrush brush; + TQPen pen; + + // First of all we want to know what area should be updated + // Initialize coordinates, width, and height of the LED + int width = ensureRoundLed(); + + int scale = 3; + TQPixmap *tmpMap = 0; + + width *= scale; + + tmpMap = new TQPixmap(width, width); + tmpMap->fill(paletteBackgroundColor()); + paint.begin(tmpMap); + + // Set the color of the LED according to given parameters + color = ( led_state ) ? led_color : d->offcolor; + + // Set the brush to SolidPattern, this fills the entire area + // of the ellipse which is drawn first + brush.setStyle( Qt::SolidPattern ); + brush.setColor( color ); + paint.setBrush( brush ); // Assign the brush to the painter + + // Draws a "flat" LED with the given color: + paint.drawEllipse( scale, scale, width - scale*2, width - scale*2 ); + + // Draw the bright light spot of the LED now, using modified "old" + // painter routine taken from KDEUI�s KLed widget: + + // Setting the new width of the pen is essential to avoid "pixelized" + // shadow like it can be observed with the old LED code + pen.setWidth( 2 * scale ); + + // shrink the light on the LED to a size about 2/3 of the complete LED + int pos = width/5 + 1; + int light_width = width; + light_width *= 2; + light_width /= 3; + + // Calculate the LED�s "light factor": + int light_quote = (130*2/(light_width?light_width:1))+100; + + // Now draw the bright spot on the LED: + while (light_width) { + color = color.light( light_quote ); // make color lighter + pen.setColor( color ); // set color as pen color + paint.setPen( pen ); // select the pen for drawing + paint.drawEllipse( pos, pos, light_width, light_width ); // draw the ellipse (circle) + light_width--; + if (!light_width) + break; + paint.drawEllipse( pos, pos, light_width, light_width ); + light_width--; + if (!light_width) + break; + paint.drawEllipse( pos, pos, light_width, light_width ); + pos++; light_width--; + } + + // Drawing of bright spot finished, now draw a thin border + // around the LED which resembles a shadow with light coming + // from the upper left. + + pen.setWidth( 2 * scale + 1 ); // ### shouldn't this value be smaller for smaller LEDs? + brush.setStyle( (Qt::BrushStyle)NoBrush ); // Switch off the brush + paint.setBrush( brush ); // This avoids filling of the ellipse + + // Set the initial color value to colorGroup().light() (bright) and start + // drawing the shadow border at 45� (45*16 = 720). + + int angle = -720; + color = tqcolorGroup().light(); + + for ( int arc = 120; arc < 2880; arc += 240 ) { + pen.setColor( color ); + paint.setPen( pen ); + int w = width - pen.width()/2 - scale + 1; + paint.drawArc( pen.width()/2, pen.width()/2, w, w, angle + arc, 240 ); + paint.drawArc( pen.width()/2, pen.width()/2, w, w, angle - arc, 240 ); + color = color.dark( 110 ); //FIXME: this should somehow use the contrast value + } // end for ( angle = 720; angle < 6480; angle += 160 ) + + paint.end(); + // + // painting done + + TQPixmap *&dest = led_state ? d->on_map : d->off_map; + TQImage i = tmpMap->convertToImage(); + width /= 3; + i = i.smoothScale(width, width); + delete tmpMap; + dest = new TQPixmap(i); + paint.begin(this); + paint.drawPixmap(0, 0, *dest); + paint.end(); + +} + +void +KLed::paintRect() +{ + TQPainter painter(this); + TQBrush lightBrush(led_color); + TQBrush darkBrush(d->offcolor); + TQPen pen(led_color.dark(300)); + int w=width(); + int h=height(); + // ----- + switch(led_state) + { + case On: + painter.setBrush(lightBrush); + painter.drawRect(0, 0, w, h); + break; + case Off: + painter.setBrush(darkBrush); + painter.drawRect(0, 0, w, h); + painter.setPen(pen); + painter.drawLine(0, 0, w, 0); + painter.drawLine(0, h-1, w, h-1); + // Draw verticals + int i; + for(i=0; i < w; i+= 4 /* dx */) + painter.drawLine(i, 1, i, h-1); + break; + default: break; + } +} + +void +KLed::paintRectFrame(bool raised) +{ + TQPainter painter(this); + TQBrush lightBrush(led_color); + TQBrush darkBrush(d->offcolor); + int w=width(); + int h=height(); + TQColor black=Qt::black; + TQColor white=Qt::white; + // ----- + if(raised) + { + painter.setPen(white); + painter.drawLine(0, 0, 0, h-1); + painter.drawLine(1, 0, w-1, 0); + painter.setPen(black); + painter.drawLine(1, h-1, w-1, h-1); + painter.drawLine(w-1, 1, w-1, h-1); + painter.fillRect(1, 1, w-2, h-2, + (led_state==On)? lightBrush : darkBrush); + } else { + painter.setPen(black); + painter.drawRect(0,0,w,h); + painter.drawRect(0,0,w-1,h-1); + painter.setPen(white); + painter.drawRect(1,1,w-1,h-1); + painter.fillRect(2, 2, w-4, h-4, + (led_state==On)? lightBrush : darkBrush); + } +} + +KLed::State +KLed::state() const +{ + return led_state; +} + +KLed::Shape +KLed::tqshape() const +{ + return led_tqshape; +} + +TQColor +KLed::color() const +{ + return led_color; +} + +KLed::Look +KLed::look() const +{ + return led_look; +} + +void +KLed::setState( State state ) +{ + if (led_state != state) + { + led_state = state; + update(); + } +} + +void +KLed::toggleState() +{ + toggle(); +} + +void +KLed::setShape(KLed::Shape s) +{ + if(led_tqshape!=s) + { + led_tqshape = s; + update(); + } +} + +void +KLed::setColor(const TQColor& col) +{ + if(led_color!=col) { + if(d->on_map) { delete d->on_map; d->on_map = 0; } + if(d->off_map) { delete d->off_map; d->off_map = 0; } + led_color = col; + d->offcolor = col.dark(d->dark_factor); + update(); + } +} + +void +KLed::setDarkFactor(int darkfactor) +{ + if (d->dark_factor != darkfactor) { + d->dark_factor = darkfactor; + d->offcolor = led_color.dark(darkfactor); + update(); + } +} + +int +KLed::darkFactor() const +{ + return d->dark_factor; +} + +void +KLed::setLook( Look look ) +{ + if(led_look!=look) + { + led_look = look; + update(); + } +} + +void +KLed::toggle() +{ + led_state = (led_state == On) ? Off : On; + // setColor(led_color); + update(); +} + +void +KLed::on() +{ + setState(On); +} + +void +KLed::off() +{ + setState(Off); +} + +TQSize +KLed::tqsizeHint() const +{ + return TQSize(16, 16); +} + +TQSize +KLed::tqminimumSizeHint() const +{ + return TQSize(16, 16 ); +} + +void KLed::virtual_hook( int, void* ) +{ /*BASE::virtual_hook( id, data );*/ } + +#include "kled.moc" |