Merge branch 'master' of https://scm.trinitydesktop.org/scm/git/remotelaboratory
Timothy Pearson
10 years ago
commit
a4eb3d14df
@ -1,6 +1,7 @@
|
||||
INCLUDES = $(all_includes) $(KDE_INCLUDES)/tde
|
||||
METASOURCES = AUTO
|
||||
noinst_LTLIBRARIES = libtracewidget.la libfloatspinbox.la
|
||||
noinst_LTLIBRARIES = libtracewidget.la libfloatspinbox.la libsevensegment.la
|
||||
libtracewidget_la_SOURCES = tracewidget.cpp
|
||||
libtracewidget_la_LDFLAGS = $(all_libraries) -ltqtrla
|
||||
libfloatspinbox_la_SOURCES = floatspinbox.cpp
|
||||
libfloatspinbox_la_SOURCES = floatspinbox.cpp
|
||||
libsevensegment_la_SOURCES = sevensegment.cpp
|
||||
@ -0,0 +1,621 @@
|
||||
/*
|
||||
* Remote Laboratory Seven Segment Display Widget
|
||||
*
|
||||
* 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 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program 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 program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* (c) 2012 - 2015 Timothy Pearson
|
||||
* Raptor Engineering
|
||||
* http://www.raptorengineeringinc.com
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <tqpainter.h>
|
||||
|
||||
#include "sevensegment.h"
|
||||
|
||||
Display7Segment::Display7Segment( TQWidget *parent, const char *name )
|
||||
: TQFrame( parent, name )
|
||||
{
|
||||
init();
|
||||
}
|
||||
|
||||
Display7Segment::~Display7Segment() {
|
||||
free(m_prevSegments);
|
||||
free(m_currentSegments);
|
||||
}
|
||||
|
||||
void Display7Segment::init() {
|
||||
setFrameStyle(TQFrame::Box | TQFrame::Raised);
|
||||
prevSegments = 0;
|
||||
val = 0;
|
||||
smallPoint = TRUE;
|
||||
setSegmentStyle(Flat);
|
||||
m_prevSegments = (char*)malloc(sizeof(char)*9);
|
||||
m_currentSegments = (char*)malloc(sizeof(char)*9);
|
||||
m_prevSegments[0] = 99;
|
||||
m_currentSegments[0] = 99;
|
||||
setSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Minimum));
|
||||
}
|
||||
|
||||
void Display7Segment::setLitSegments(unsigned char segs) {
|
||||
// This produces an array of up to 10 chars, with each char being the number of a lit segment, and the list being terminated with the number 99
|
||||
// The bit input in segs is active high
|
||||
// The bit sequence, MSB to LSB, is dp a b c d e f g
|
||||
// Segment letters are taken from ug130.pdf
|
||||
|
||||
if (prevSegments != segs) {
|
||||
int i = 0;
|
||||
if (segs & 0x80) { m_currentSegments[i] = 7; i++; }
|
||||
if (segs & 0x40) { m_currentSegments[i] = 0; i++; }
|
||||
if (segs & 0x20) { m_currentSegments[i] = 2; i++; }
|
||||
if (segs & 0x10) { m_currentSegments[i] = 5; i++; }
|
||||
if (segs & 0x08) { m_currentSegments[i] = 6; i++; }
|
||||
if (segs & 0x04) { m_currentSegments[i] = 4; i++; }
|
||||
if (segs & 0x02) { m_currentSegments[i] = 1; i++; }
|
||||
if (segs & 0x01) { m_currentSegments[i] = 3; i++; }
|
||||
|
||||
m_currentSegments[i] = 99;
|
||||
|
||||
update();
|
||||
}
|
||||
|
||||
prevSegments = segs;
|
||||
}
|
||||
|
||||
unsigned char Display7Segment::segmentsForNumericDigit(unsigned char val, bool dp) {
|
||||
unsigned char ret = 0;
|
||||
if (val == 0) { ret = 0x7e; }
|
||||
else if (val == 1) { ret = 0x30; }
|
||||
else if (val == 2) { ret = 0x6d; }
|
||||
else if (val == 3) { ret = 0x79; }
|
||||
else if (val == 4) { ret = 0x33; }
|
||||
else if (val == 5) { ret = 0x5b; }
|
||||
else if (val == 6) { ret = 0x5f; }
|
||||
else if (val == 7) { ret = 0x70; }
|
||||
else if (val == 8) { ret = 0x7f; }
|
||||
else if (val == 9) { ret = 0x73; }
|
||||
|
||||
if (dp) {
|
||||
ret |= 0x80;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void Display7Segment::drawContents( TQPainter *p )
|
||||
{
|
||||
// Draw all segments
|
||||
TQPoint pos;
|
||||
int digitSpace = smallPoint ? 2 : 1;
|
||||
int xSegLen = width()*5/(1*(5 + digitSpace) + digitSpace);
|
||||
int ySegLen = height()*5/12;
|
||||
int segLen = ySegLen > xSegLen ? xSegLen : ySegLen;
|
||||
int xAdvance = segLen*( 5 + 1 )/5;
|
||||
int xOffset = ( width() - xAdvance + segLen/5 )/2;
|
||||
int yOffset = ( height() - segLen*2 )/2;
|
||||
|
||||
pos = TQPoint(xOffset, yOffset);
|
||||
drawDigit(pos, *p, segLen, m_currentSegments);
|
||||
}
|
||||
|
||||
TQSize Display7Segment::sizeHint() const {
|
||||
return TQSize(10 + 9 * (1 + (smallPoint ? 0 : 1)), 23);
|
||||
}
|
||||
|
||||
void Display7Segment::setSegmentStyle( SegmentStyle s ) {
|
||||
fill = (s == Flat || s == Filled);
|
||||
shadow = (s == Outline || s == Filled);
|
||||
update();
|
||||
}
|
||||
|
||||
Display7Segment::SegmentStyle Display7Segment::segmentStyle() const {
|
||||
Q_ASSERT(fill || shadow);
|
||||
if (!fill && shadow) {
|
||||
return Outline;
|
||||
}
|
||||
if (fill && shadow) {
|
||||
return Filled;
|
||||
}
|
||||
return Flat;
|
||||
}
|
||||
|
||||
static void addPoint( TQPointArray &a, const TQPoint &p ) {
|
||||
uint n = a.size();
|
||||
a.resize(n + 1);
|
||||
a.setPoint(n, p);
|
||||
}
|
||||
|
||||
void Display7Segment::drawDigit(const TQPoint &pos, TQPainter &p, int segLen, const char *newSegs) {
|
||||
char updates[20][2]; // Can hold 2 times number of segments, only
|
||||
// first 10 used if segment table is correct
|
||||
int nErases;
|
||||
int nUpdates;
|
||||
const char *segs;
|
||||
int i,j;
|
||||
|
||||
const char erase = 0;
|
||||
const char draw = 1;
|
||||
// const char leaveAlone = 2;
|
||||
|
||||
segs = m_prevSegments;
|
||||
for ( nErases=0; segs[nErases] != 99; nErases++ ) {
|
||||
updates[nErases][0] = erase; // Get segments to erase to
|
||||
updates[nErases][1] = segs[nErases]; // remove old char
|
||||
}
|
||||
nUpdates = nErases;
|
||||
segs = newSegs;
|
||||
for(i = 0 ; segs[i] != 99 ; i++) {
|
||||
for ( j=0; j<nErases; j++ ) {
|
||||
if ( segs[i] == updates[j][1] ) { // Same segment ?
|
||||
// FIXME
|
||||
// Always redraw segments for now, as dragging windows in front of the LED display currently erases the occluded portion(s) of the display!
|
||||
#if 0
|
||||
updates[j][0] = leaveAlone; // yes, already on screen
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
if ( j == nErases ) { // If not already on screen
|
||||
updates[nUpdates][0] = draw;
|
||||
updates[nUpdates][1] = segs[i];
|
||||
nUpdates++;
|
||||
}
|
||||
}
|
||||
for ( i=0; i<nUpdates; i++ ) {
|
||||
if ( updates[i][0] == draw ) {
|
||||
drawSegment( pos, updates[i][1], p, segLen );
|
||||
}
|
||||
if (updates[i][0] == erase) {
|
||||
drawSegment( pos, updates[i][1], p, segLen, TRUE );
|
||||
}
|
||||
}
|
||||
|
||||
memcpy(m_prevSegments, newSegs, sizeof(char)*9);
|
||||
}
|
||||
|
||||
void Display7Segment::drawSegment(const TQPoint &pos, char segmentNo, TQPainter &p, int segLen, bool erase) {
|
||||
TQPoint pt = pos;
|
||||
int width = segLen/5;
|
||||
|
||||
const TQColorGroup & g = colorGroup();
|
||||
TQColor lightColor,darkColor,fgColor;
|
||||
if (erase) {
|
||||
lightColor = backgroundColor();
|
||||
darkColor = lightColor;
|
||||
fgColor = lightColor;
|
||||
}
|
||||
else {
|
||||
lightColor = g.light();
|
||||
darkColor = g.dark();
|
||||
fgColor = g.foreground();
|
||||
}
|
||||
|
||||
#define LINETO(X,Y) addPoint( a, TQPoint(pt.x() + (X),pt.y() + (Y)))
|
||||
#define LIGHT
|
||||
#define DARK
|
||||
|
||||
if ( fill ) {
|
||||
TQPointArray a(0);
|
||||
|
||||
//The following is an exact copy of the switch below.
|
||||
//don't make any changes here
|
||||
switch ( segmentNo ) {
|
||||
case 0 :
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(segLen - 1,0);
|
||||
DARK;
|
||||
LINETO(segLen - width - 1,width);
|
||||
LINETO(width,width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 1 :
|
||||
pt += TQPoint(0 , 1);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,width);
|
||||
DARK;
|
||||
LINETO(width,segLen - width/2 - 2);
|
||||
LINETO(0,segLen - 2);
|
||||
LIGHT;
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 2 :
|
||||
pt += TQPoint(segLen - 1 , 1);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(0,segLen - 2);
|
||||
LINETO(-width,segLen - width/2 - 2);
|
||||
LIGHT;
|
||||
LINETO(-width,width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 3 :
|
||||
pt += TQPoint(0 , segLen);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,-width/2);
|
||||
LINETO(segLen - width - 1,-width/2);
|
||||
LINETO(segLen - 1,0);
|
||||
DARK;
|
||||
if (width & 1) { // adjust for integer division error
|
||||
LINETO(segLen - width - 3,width/2 + 1);
|
||||
LINETO(width + 2,width/2 + 1);
|
||||
} else {
|
||||
LINETO(segLen - width - 1,width/2);
|
||||
LINETO(width,width/2);
|
||||
}
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 4 :
|
||||
pt += TQPoint(0 , segLen + 1);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,width/2);
|
||||
DARK;
|
||||
LINETO(width,segLen - width - 2);
|
||||
LINETO(0,segLen - 2);
|
||||
LIGHT;
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 5 :
|
||||
pt += TQPoint(segLen - 1 , segLen + 1);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(0,segLen - 2);
|
||||
LINETO(-width,segLen - width - 2);
|
||||
LIGHT;
|
||||
LINETO(-width,width/2);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 6 :
|
||||
pt += TQPoint(0 , segLen*2);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,-width);
|
||||
LINETO(segLen - width - 1,-width);
|
||||
LINETO(segLen - 1,0);
|
||||
DARK;
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 7 :
|
||||
if ( smallPoint ) // if smallpoint place'.' between other digits
|
||||
pt += TQPoint(segLen + width/2 , segLen*2);
|
||||
else
|
||||
pt += TQPoint(segLen/2 , segLen*2);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(width,0);
|
||||
LINETO(width,-width);
|
||||
LIGHT;
|
||||
LINETO(0,-width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 8 :
|
||||
pt += TQPoint(segLen/2 - width/2 + 1 , segLen/2 + width);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(width,0);
|
||||
LINETO(width,-width);
|
||||
LIGHT;
|
||||
LINETO(0,-width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 9 :
|
||||
pt += TQPoint(segLen/2 - width/2 + 1 , 3*segLen/2 + width);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(width,0);
|
||||
LINETO(width,-width);
|
||||
LIGHT;
|
||||
LINETO(0,-width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
#if defined(QT_CHECK_RANGE)
|
||||
default :
|
||||
tqWarning( "Display7Segment::drawSegment: (%s) Internal error."
|
||||
" Illegal segment id: %d\n",
|
||||
name( "unnamed" ), segmentNo );
|
||||
#endif
|
||||
}
|
||||
// End exact copy
|
||||
p.setPen( fgColor );
|
||||
p.setBrush( fgColor );
|
||||
p.drawPolygon( a );
|
||||
p.setBrush( NoBrush );
|
||||
|
||||
pt = pos;
|
||||
}
|
||||
#undef LINETO
|
||||
#undef LIGHT
|
||||
#undef DARK
|
||||
|
||||
#define LINETO(X,Y) p.lineTo(TQPoint(pt.x() + (X),pt.y() + (Y)))
|
||||
#define LIGHT p.setPen(lightColor)
|
||||
#define DARK p.setPen(darkColor)
|
||||
if ( shadow ) {
|
||||
switch ( segmentNo ) {
|
||||
case 0 :
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(segLen - 1,0);
|
||||
DARK;
|
||||
LINETO(segLen - width - 1,width);
|
||||
LINETO(width,width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 1 :
|
||||
pt += TQPoint(0,1);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,width);
|
||||
DARK;
|
||||
LINETO(width,segLen - width/2 - 2);
|
||||
LINETO(0,segLen - 2);
|
||||
LIGHT;
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 2 :
|
||||
pt += TQPoint(segLen - 1 , 1);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(0,segLen - 2);
|
||||
LINETO(-width,segLen - width/2 - 2);
|
||||
LIGHT;
|
||||
LINETO(-width,width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 3 :
|
||||
pt += TQPoint(0 , segLen);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,-width/2);
|
||||
LINETO(segLen - width - 1,-width/2);
|
||||
LINETO(segLen - 1,0);
|
||||
DARK;
|
||||
if (width & 1) { // adjust for integer division error
|
||||
LINETO(segLen - width - 3,width/2 + 1);
|
||||
LINETO(width + 2,width/2 + 1);
|
||||
} else {
|
||||
LINETO(segLen - width - 1,width/2);
|
||||
LINETO(width,width/2);
|
||||
}
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 4 :
|
||||
pt += TQPoint(0 , segLen + 1);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,width/2);
|
||||
DARK;
|
||||
LINETO(width,segLen - width - 2);
|
||||
LINETO(0,segLen - 2);
|
||||
LIGHT;
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 5 :
|
||||
pt += TQPoint(segLen - 1 , segLen + 1);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(0,segLen - 2);
|
||||
LINETO(-width,segLen - width - 2);
|
||||
LIGHT;
|
||||
LINETO(-width,width/2);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 6 :
|
||||
pt += TQPoint(0 , segLen*2);
|
||||
p.moveTo(pt);
|
||||
LIGHT;
|
||||
LINETO(width,-width);
|
||||
LINETO(segLen - width - 1,-width);
|
||||
LINETO(segLen - 1,0);
|
||||
DARK;
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 7 :
|
||||
if ( smallPoint ) // if smallpoint place'.' between other digits
|
||||
pt += TQPoint(segLen + width/2 , segLen*2);
|
||||
else
|
||||
pt += TQPoint(segLen/2 , segLen*2);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(width,0);
|
||||
LINETO(width,-width);
|
||||
LIGHT;
|
||||
LINETO(0,-width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 8 :
|
||||
pt += TQPoint(segLen/2 - width/2 + 1 , segLen/2 + width);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(width,0);
|
||||
LINETO(width,-width);
|
||||
LIGHT;
|
||||
LINETO(0,-width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
case 9 :
|
||||
pt += TQPoint(segLen/2 - width/2 + 1 , 3*segLen/2 + width);
|
||||
p.moveTo(pt);
|
||||
DARK;
|
||||
LINETO(width,0);
|
||||
LINETO(width,-width);
|
||||
LIGHT;
|
||||
LINETO(0,-width);
|
||||
LINETO(0,0);
|
||||
break;
|
||||
#if defined(QT_CHECK_RANGE)
|
||||
default :
|
||||
tqWarning( "Display7Segment::drawSegment: (%s) Internal error."
|
||||
" Illegal segment id: %d\n",
|
||||
name( "unnamed" ), segmentNo );
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
#undef LINETO
|
||||
#undef LIGHT
|
||||
#undef DARK
|
||||
}
|
||||
|
||||
Display7SegmentArray::Display7SegmentArray( TQWidget *parent, const char *name )
|
||||
: TQFrame( parent, name ),
|
||||
m_numberOfDigits(0),
|
||||
m_segmentStyle(Flat)
|
||||
{
|
||||
init();
|
||||
}
|
||||
|
||||
Display7SegmentArray::~Display7SegmentArray() {
|
||||
unsigned int i;
|
||||
|
||||
// Delete displays
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
delete m_displayArray[i];
|
||||
}
|
||||
delete m_displayArray;
|
||||
m_displayArray = NULL;
|
||||
}
|
||||
|
||||
void Display7SegmentArray::init() {
|
||||
unsigned int i;
|
||||
|
||||
// Set up grid layout
|
||||
m_layout = new TQGridLayout(this, 1, m_numberOfDigits);
|
||||
m_layout->setAutoAdd(true);
|
||||
|
||||
// Allocate display array
|
||||
m_displayArray = (Display7Segment**)malloc(sizeof(Display7Segment*) * m_numberOfDigits);
|
||||
|
||||
// Create displays
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
m_displayArray[i] = new Display7Segment(this);
|
||||
}
|
||||
|
||||
setSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Minimum));
|
||||
|
||||
// Set up displays
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
m_displayArray[i]->setBackgroundColor(TQt::black);
|
||||
m_displayArray[i]->setPaletteForegroundColor(TQColor(0, 255, 64));
|
||||
}
|
||||
|
||||
// The LED display can work one of two ways
|
||||
#if 0
|
||||
// Separated segments
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
m_displayArray[i]->setFrameStyle(TQFrame::Box | TQFrame::Raised);
|
||||
}
|
||||
setFrameStyle(TQFrame::NoFrame);
|
||||
#else
|
||||
// Combined segments
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
m_displayArray[i]->setFrameStyle(TQFrame::NoFrame);
|
||||
}
|
||||
setBackgroundColor(TQt::black);
|
||||
setFrameStyle(TQFrame::Box | TQFrame::Raised);
|
||||
#endif
|
||||
}
|
||||
|
||||
void Display7SegmentArray::setNumberOfDigits(unsigned int count) {
|
||||
unsigned int i;
|
||||
|
||||
if (m_numberOfDigits != count) {
|
||||
// Delete displays
|
||||
if (m_displayArray) {
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
delete m_displayArray[i];
|
||||
}
|
||||
delete m_displayArray;
|
||||
m_displayArray = NULL;
|
||||
}
|
||||
|
||||
// Destroy layout
|
||||
if (m_layout) {
|
||||
delete m_layout;
|
||||
}
|
||||
|
||||
// Set display count
|
||||
m_numberOfDigits = count;
|
||||
|
||||
// Reinitialize
|
||||
init();
|
||||
}
|
||||
}
|
||||
|
||||
void Display7SegmentArray::setSegmentStyle(SegmentStyle s) {
|
||||
unsigned int i;
|
||||
|
||||
m_segmentStyle = s;
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
m_displayArray[i]->setSegmentStyle((Display7Segment::SegmentStyle)m_segmentStyle);
|
||||
}
|
||||
}
|
||||
|
||||
Display7SegmentArray::SegmentStyle Display7SegmentArray::segmentStyle() const {
|
||||
return m_segmentStyle;
|
||||
}
|
||||
|
||||
void Display7SegmentArray::setValue(double value, int maxDecimalLength, bool forceMinDecimalLength) {
|
||||
bool dp;
|
||||
unsigned int i;
|
||||
TQString displayString = TQString("%1").arg(value);
|
||||
if (maxDecimalLength >= 0) {
|
||||
int decPos = displayString.find(".");
|
||||
if (decPos >= 0) {
|
||||
int decLen = (displayString.length() - 1) - decPos;
|
||||
if (decLen > maxDecimalLength) {
|
||||
displayString.truncate(displayString.length() - (decLen - maxDecimalLength));
|
||||
}
|
||||
}
|
||||
if (forceMinDecimalLength) {
|
||||
if (decPos < 0) {
|
||||
displayString.append(".");
|
||||
decPos = displayString.length() - 1;
|
||||
}
|
||||
for (int i = displayString.length(); i < decPos + maxDecimalLength + 1; i++) {
|
||||
displayString.append("0");
|
||||
}
|
||||
}
|
||||
}
|
||||
int last_char = displayString.length();
|
||||
int current_char = (last_char - (int)m_numberOfDigits);
|
||||
if (displayString.contains(".")) {
|
||||
current_char--;
|
||||
}
|
||||
for (i=0; i < m_numberOfDigits; i++) {
|
||||
if (current_char < 0) {
|
||||
m_displayArray[i]->setLitSegments(0x0);
|
||||
}
|
||||
else {
|
||||
dp = false;
|
||||
if (current_char < (displayString.length() - 1)) {
|
||||
if (displayString[current_char + 1] == '.') {
|
||||
dp = true;
|
||||
}
|
||||
}
|
||||
if (displayString[current_char] == '.') {
|
||||
current_char++;
|
||||
}
|
||||
m_displayArray[i]->setLitSegments(Display7Segment::segmentsForNumericDigit(TQString(displayString[current_char]).toInt(NULL, 10), dp));
|
||||
}
|
||||
current_char++;
|
||||
}
|
||||
}
|
||||
|
||||
#include "sevensegment.moc"
|
||||
@ -0,0 +1,99 @@
|
||||
/*
|
||||
* Remote Laboratory Seven Segment Display Widget
|
||||
*
|
||||
* 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 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program 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 program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* (c) 2012 - 2015 Timothy Pearson
|
||||
* Raptor Engineering
|
||||
* http://www.raptorengineeringinc.com
|
||||
*/
|
||||
|
||||
#ifndef REMOTELAB_DISPLAY7SEGEMENT_H
|
||||
#define REMOTELAB_DISPLAY7SEGEMENT_H
|
||||
|
||||
#include <tqframe.h>
|
||||
#include <tqlayout.h>
|
||||
|
||||
class Display7SegmentPrivate;
|
||||
|
||||
class TQ_EXPORT Display7Segment : public TQFrame
|
||||
{
|
||||
Q_OBJECT
|
||||
TQ_ENUMS(SegmentStyle)
|
||||
TQ_PROPERTY(SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle)
|
||||
|
||||
public:
|
||||
Display7Segment(TQWidget* parent=0, const char* name=0);
|
||||
~Display7Segment();
|
||||
|
||||
enum SegmentStyle { Outline, Filled, Flat };
|
||||
|
||||
SegmentStyle segmentStyle() const;
|
||||
virtual void setSegmentStyle(SegmentStyle);
|
||||
|
||||
void setLitSegments(unsigned char);
|
||||
static unsigned char segmentsForNumericDigit(unsigned char val, bool dp);
|
||||
|
||||
TQSize sizeHint() const;
|
||||
|
||||
protected:
|
||||
void drawContents(TQPainter *);
|
||||
|
||||
private:
|
||||
void init();
|
||||
void drawSegment(const TQPoint &, char, TQPainter &, int, bool = FALSE);
|
||||
void drawDigit(const TQPoint &, TQPainter &, int, const char *);
|
||||
|
||||
char* m_prevSegments;
|
||||
char* m_currentSegments;
|
||||
|
||||
unsigned int prevSegments;
|
||||
double val;
|
||||
uint smallPoint : 1;
|
||||
uint fill : 1;
|
||||
uint shadow : 1;
|
||||
Display7SegmentPrivate *d;
|
||||
};
|
||||
|
||||
class TQ_EXPORT Display7SegmentArray : public TQFrame
|
||||
{
|
||||
Q_OBJECT
|
||||
TQ_ENUMS(SegmentStyle)
|
||||
TQ_PROPERTY(SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle)
|
||||
|
||||
public:
|
||||
Display7SegmentArray(TQWidget* parent=0, const char* name=0);
|
||||
~Display7SegmentArray();
|
||||
|
||||
enum SegmentStyle { Outline, Filled, Flat };
|
||||
|
||||
SegmentStyle segmentStyle() const;
|
||||
virtual void setSegmentStyle(SegmentStyle);
|
||||
|
||||
void setNumberOfDigits(unsigned int count);
|
||||
|
||||
void setValue(double value, int maxDecimalLength=-1, bool forceMinDecimalLength=false);
|
||||
|
||||
protected:
|
||||
unsigned int m_numberOfDigits;
|
||||
Display7Segment** m_displayArray;
|
||||
TQGridLayout* m_layout;
|
||||
SegmentStyle m_segmentStyle;
|
||||
|
||||
private:
|
||||
void init();
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue