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-rw-r--r--core/settings/light-and-power/calibration.cpp14
1 files changed, 7 insertions, 7 deletions
diff --git a/core/settings/light-and-power/calibration.cpp b/core/settings/light-and-power/calibration.cpp
index aed2bc8..c5377d0 100644
--- a/core/settings/light-and-power/calibration.cpp
+++ b/core/settings/light-and-power/calibration.cpp
@@ -1,346 +1,346 @@
/*
This file is part of the OPIE Project
               =. Copyright (c) 2002 Maximilian Reiss <harlekin@handhelds.org>
             .=l. Copyright (c) 2002 Robert Griebl <sandman@handhelds.org>
           .>+-=
 _;:,     .>    :=|. This file is free software; you can
.> <`_,   >  .   <= redistribute it and/or modify it under
:`=1 )Y*s>-.--   : the terms of the GNU General Public
.="- .-=="i,     .._ License as published by the Free Software
 - .   .-<_>     .<> Foundation; either version 2 of the License,
     ._= =}       : or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s. This file 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 General
..}^=.=       =       ; Public License for more details.
++=   -.     .`     .:
 :     =  ...= . :.=- You should have received a copy of the GNU
 -.   .:....=;==+<; General Public License along with this file;
  -_. . .   )=.  = see the file COPYING. If not, write to the
    --        :-=` Free Software Foundation, Inc.,
59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "calibration.h"
#include <qpainter.h>
#include <qpalette.h>
#include <qpixmap.h>
#define BRD 3
Calibration::Calibration ( QWidget *parent, const char *name, WFlags fl )
: QWidget ( parent, name, fl | WRepaintNoErase )
{
setBackgroundMode ( NoBackground );
m_scale = QSize ( 256, 256 );
m_steps = 5;
m_dragged = -1;
m_interval = 5;
m_p [0] = QPoint ( 0, 0 );
m_p [1] = QPoint ( 255, 255 );
}
Calibration::~Calibration ( )
{
}
void Calibration::setScale ( const QSize &s )
{
if ( s. width ( ) < 1 || s. height ( ) < 1 )
return;
m_scale = s;
checkPoints ( );
update ( );
}
QSize Calibration::scale ( ) const
{
return m_scale;
}
void Calibration::setLineSteps ( int steps )
{
if ( m_steps < 2 )
return;
m_steps = steps;
update ( );
}
int Calibration::lineSteps ( ) const
{
return m_steps;
}
void Calibration::setInterval ( int iv )
{
if ( iv < 1 )
return;
m_interval = iv;
// update ( );
}
int Calibration::interval ( ) const
{
return m_interval;
}
void Calibration::setStartPoint ( const QPoint &p )
{
m_p [0] = QPoint ( p. x ( ), m_scale. height ( ) - p. y ( ) - 1 );
checkPoints ( );
update ( );
}
QPoint Calibration::startPoint ( ) const
{
return QPoint ( m_p [0]. x ( ), m_scale. height ( ) - m_p [0]. y ( ) - 1 );
}
void Calibration::setEndPoint ( const QPoint &p )
{
m_p [1] = QPoint ( p. x ( ), m_scale. height ( ) - p. y ( ) - 1 );
checkPoints ( );
update ( );
}
QPoint Calibration::endPoint ( ) const
{
return QPoint ( m_p [1]. x ( ), m_scale. height ( ) - m_p [1]. y ( ) - 1 );
}
void Calibration::checkPoints ( )
{
int dx = m_scale. width ( );
int dy = m_scale. height ( );
if ( m_p [1]. x ( ) < 0 )
m_p [1]. setX ( 0 );
if ( m_p [1]. x ( ) >= dx )
m_p [1]. setX ( dx - 1 );
if ( m_p [0]. x ( ) < 0 )
m_p [0]. setX ( 0 );
if ( m_p [0]. x ( ) > m_p [1]. x ( ))
m_p [0]. setX ( m_p [1]. x ( ));
if ( m_p [1]. y ( ) < 0 )
m_p [1]. setY ( 0 );
if ( m_p [1]. y ( ) >= dy )
m_p [1]. setY ( dy - 1 );
if ( m_p [0]. y ( ) < 0 )
m_p [0]. setY ( 0 );
- if ( m_p [0]. y ( ) > m_p [1]. y ( ))
- m_p [0]. setY ( m_p [1]. y ( ));
+ if ( m_p [0]. y ( ) >= dy )
+ m_p [0]. setY ( dy - 1 );
}
#define SCALEX(x) (BRD+(x)*(width()- 2*BRD)/m_scale.width())
#define SCALEY(y) (BRD+(y)*(height()-2*BRD)/m_scale.height())
static QRect around ( int x, int y )
{
return QRect ( x - BRD, y - BRD, 2 * BRD + 1, 2 * BRD + 1 );
}
void Calibration::mousePressEvent ( QMouseEvent *e )
{
if ( e-> button ( ) != LeftButton )
return QWidget::mousePressEvent ( e );
int olddragged = m_dragged;
int x [2], y [2];
m_dragged = -1;
for ( int i = 0; i < 2; i++ ) {
x [i] = SCALEX( m_p [i]. x ( ));
y [i] = SCALEY( m_p [i]. y ( ));
if (( QABS( e-> x ( ) - x [i] ) <= 2 * BRD ) &&
( QABS( e-> y ( ) - y [i] ) <= 2 * BRD )) {
m_dragged = i;
break;
}
}
if ( m_dragged != olddragged ) {
QRect r;
if ( olddragged >= 0 )
r |= around ( x [olddragged], y [olddragged] );
if ( m_dragged >= 0 )
r |= around ( x [m_dragged], y [m_dragged] );
repaint ( r, false );
}
}
void Calibration::mouseMoveEvent ( QMouseEvent *e )
{
if ( m_dragged < 0 )
return;
QPoint n [2];
n [m_dragged]. setX (( e-> x ( ) - BRD ) * m_scale. width ( ) / ( width ( ) - 2 * BRD ));
n [m_dragged]. setY (( e-> y ( ) - BRD ) * m_scale. height ( ) / ( height ( ) - 2 * BRD ));
n [1 - m_dragged] = m_p [1 - m_dragged];
if ( n [m_dragged]. x ( ) < 0 )
n [m_dragged]. setX ( 0 );
if ( n [m_dragged]. x ( ) >= m_scale. width ( ))
n [m_dragged]. setX ( m_scale. width ( ) - 1 );
if ( n [0]. x ( ) > n [1]. x ( ))
n [m_dragged]. setX ( n [1 - m_dragged]. x ( ));
if ( n [m_dragged]. y ( ) < 0 )
n [m_dragged]. setY ( 0 );
if ( n [m_dragged]. y ( ) >= m_scale. height ( ))
n [m_dragged]. setY ( m_scale. height ( ) - 1 );
- if ( n [0]. y ( ) > n [1]. y ( ))
- n [m_dragged]. setY ( n [1 - m_dragged]. y ( ));
+// if ( n [0]. y ( ) > n [1]. y ( ))
+// n [m_dragged]. setY ( n [1 - m_dragged]. y ( ));
QRect r;
int ox [2], oy [2], nx [2], ny [2];
for ( int i = 0; i < 2; i++ ) {
nx [i] = SCALEX( n [i]. x ( ));
ny [i] = SCALEY( n [i]. y ( ));
ox [i] = SCALEX( m_p [i]. x ( ));
oy [i] = SCALEY( m_p [i]. y ( ));
if ( n [i] != m_p [i] ) {
r |= around ( nx [i], ny [i] );
r |= around ( ox [i], oy [i] );
m_p [i] = n [i];
if ( i == 0 ) {
r |= QRect ( 0, ny [0], nx [0] - 0 + 1, 1 );
r |= QRect ( 0, oy [0], ox [0] - 0 + 1, 1 );
emit startPointChanged ( startPoint ( ));
}
else if ( i == 1 ) {
r |= QRect ( nx [1], ny [1], width ( ) - nx [1], 1 );
r |= QRect ( ox [1], oy [1], width ( ) - ox [1], 1 );
emit endPointChanged ( endPoint ( ));
}
}
}
if ( r. isValid ( )) {
- r |= QRect ( nx [0], ny [0], nx [1] - nx [0] + 1, ny [1] - ny [0] + 1 );
- r |= QRect ( ox [0], oy [0], ox [1] - ox [0] + 1, oy [1] - oy [0] + 1 );
+ r |= QRect ( nx [0], ny [0], nx [1] - nx [0] + 1, ny [1] - ny [0] + 1 ). normalize ( );
+ r |= QRect ( ox [0], oy [0], ox [1] - ox [0] + 1, oy [1] - oy [0] + 1 ). normalize ( );
repaint ( r, false );
}
}
void Calibration::mouseReleaseEvent ( QMouseEvent *e )
{
if ( e-> button ( ) != LeftButton )
return QWidget::mouseReleaseEvent ( e );
if ( m_dragged < 0 )
return;
int x = SCALEX( m_p [m_dragged]. x ( ));
int y = SCALEY( m_p [m_dragged]. y ( ));
m_dragged = -1;
repaint ( around ( x, y ), false );
}
void Calibration::paintEvent ( QPaintEvent *pe )
{
QPixmap pix ( size ( ));
QPainter p ( &pix, this );
QRect cr = pe-> rect ( );
int x0 = SCALEX( m_p [0]. x ( ));
int y0 = SCALEY( m_p [0]. y ( ));
int x1 = SCALEX( m_p [1]. x ( ));
int y1 = SCALEY( m_p [1]. y ( ));
int dx = x1 - x0;
int dy = y1 - y0;
// restrict steps to real x and y resolution
- int st = QMIN( QMIN( m_steps, ( dx + 1 )), ( dy + 1 ));
+ int st = QMIN( QMIN( m_steps, ( dx + 1 )), ( QABS( dy ) + 1 ));
QString stepstr = tr( "%1 Steps" ). arg ( st );
QRect tr = p. boundingRect ( BRD, BRD, width ( ) - 2*BRD, height() - 2*BRD, AlignTop | AlignRight, stepstr );
tr. setLeft ( tr. left ( ) - 20 );
if ( p. hasClipping ( ))
p. setClipRegion ( p. clipRegion ( ) | QRegion ( tr ));
QColorGroup g = colorGroup ( );
p. fillRect ( cr, g. base ( ));
p. fillRect ( tr, g. base ( ));
int ex = x0, ey = y0;
p. setPen ( g. mid ( ));
int gx0 = SCALEX( 0 );
int gy0 = SCALEY( 0 );
int gx1 = SCALEX( m_scale. width ( ) - 1 );
int gy1 = SCALEY( m_scale. height ( ) - 1 );
int xdiv = QMIN( 4, m_scale. width ( ));
int ydiv = QMIN( 4, m_scale. height ( ));
xdiv = ( gx1 - gx0 + 1 ) / xdiv;
ydiv = ( gy1 - gy0 + 1 ) / ydiv;
for ( int i = gx0 + xdiv; i <= ( gx1 - xdiv ); i += xdiv )
p. drawLine ( i, gy0, i, gy1 );
for ( int i = gy0 + ydiv; i <= ( gy1 - ydiv ); i += ydiv )
p. drawLine ( gx0, i, gx1, i );
p. setPen ( g. highlight ( ));
p. drawLine ( BRD, ey, ex, ey );
for ( int i = 1; i < st; i++ ) {
int fx = x0 + dx * i / st;
int fy = y0 + dy * i / ( st - 1 );
p. drawLine ( ex, ey, fx, ey );
p. drawLine ( fx, ey, fx, fy );
ex = fx;
ey = fy;
}
if ( st == 1 ) {
p. drawLine ( ex, ey, ex, y1 );
ey = y1;
}
p. drawLine ( ex, ey, width ( ) - 1 - BRD, ey );
p. fillRect ( around ( x0, y0 ), m_dragged == 0 ? g. highlightedText ( ) : g. text ( ));
p. drawRect ( around ( x0, y0 ));
p. fillRect ( around ( x1, y1 ), m_dragged == 1 ? g. highlightedText ( ) : g. text ( ));
p. drawRect ( around ( x1, y1 ));
p. setPen ( g. text ( ));
p. drawText ( tr, AlignTop | AlignRight, stepstr );
p. end ( );
bitBlt ( this, cr. topLeft ( ), &pix, cr );
if ( !cr. contains ( tr ))
bitBlt ( this, tr. topLeft ( ), &pix, tr );
}