Files
newspark110/ui/qg_colorbox.cpp
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

263 lines
7.4 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010-2011 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include "qg_colorbox.h"
#include <QColorDialog>
#include <QPainter>
#include <QPixmap>
#include "rs_color.h"
/**
* Default Constructor. You must call init manually if you choose
* to use this constructor.
*/
QG_ColorBox::QG_ColorBox(QWidget* parent, const char* name)
:QComboBox(parent)
,currentColor(new RS_Color())
,showByLayer(false)
,showUnchanged(false)
,unchanged(false)
{
setObjectName(name);
setEditable ( false );
}
QG_ColorBox::~QG_ColorBox(){}
/**
* Constructor that calls init and provides a fully functional
* combobox for choosing colors.
*
* @param showByLayer true: Show attribute ByLayer, ByBlock.
*/
QG_ColorBox::QG_ColorBox(bool showByLayer, bool showUnchanged,
QWidget* parent, const char* name)
: QComboBox(parent)
,currentColor(new RS_Color())
,unchanged(false)
{
setObjectName(name);
setEditable ( false );
init(showByLayer, showUnchanged);
}
/**
* Initialisation (called from constructor or manually but only
* once).
*
* @param showByLayer true: Show attribute ByLayer, ByBlock.
*/
void QG_ColorBox::init(bool showByLayer, bool showUnchanged) {
this->showByLayer = showByLayer;
this->showUnchanged = showUnchanged;
if (showUnchanged) {
addItem(QIcon(":/ui/color00.png"), tr("Unchanged"));
}
if (showByLayer) {
addItem(QIcon(":/ui/color00.png"), tr("By Layer"));
addItem(QIcon(":/ui/color00.png"), tr("By Block"));
}
addItem(QIcon(":/ui/colorxx.png"), tr("Custom"));
//static colors starts here
//addColor(QIcon(":/ui/color01.png"), red,Qt::red);
QString red(tr("Red"));
addColor(Qt::red,red);
colorIndexStart=findText(red); // keep the starting point of static colors
addColor(Qt::darkRed,tr("Dark Red"));
addColor(Qt::yellow,tr("Yellow"));
addColor(Qt::darkYellow,tr("Dark Yellow"));
addColor(Qt::green,tr("Green"));
addColor(Qt::darkGreen,tr("Dark Green"));
addColor(Qt::cyan,tr("Cyan"));
addColor(Qt::darkCyan,tr("Dark Cyan"));
addColor(Qt::blue,tr("Blue"));
addColor(Qt::darkBlue,tr("Dark Blue"));
addColor(Qt::magenta,tr("Magenta"));
addColor(Qt::darkMagenta,tr("Dark Magenta"));
addItem(QIcon(":/ui/color07.png"), tr("Black / White"),QColor(Qt::black));
//colorIndexBlack=findData(QColor(Qt::black)); //record the number for special color black/white
//std::cout<<"colorIndexBlack="<<colorIndexBlack<<std::endl;
addColor(Qt::gray,tr("Gray"));
addColor(Qt::darkGray,tr("Dark Gray"));
addColor(Qt::lightGray,tr("Light Gray"));
//static colors ends here
connect(this, SIGNAL(activated(int)),
this, SLOT(slotColorChanged(int)));
if (showUnchanged || showByLayer ) {
setCurrentIndex(0);
} else {
setCurrentIndex(findData(QColor(Qt::black))); //default to Qt::black
}
slotColorChanged(currentIndex());
}
/**
* Sets the color shown in the combobox to the given color.
*/
void QG_ColorBox::setColor(const RS_Color& color) {
*currentColor = color;
//std::cout<<"initial color: "<<color<<std::endl;
int cIndex;
if (color.isByLayer() && showByLayer) {
cIndex=0;
} else if (color.isByBlock() && showByLayer) {
cIndex=1;
} else {
for(cIndex=colorIndexStart;cIndex< count() - 1;cIndex++) {
//searching for the color, allowing difference up to 2
QColor q(itemData(cIndex).value<QColor>());
if( abs(q.red() - color.red())
+abs(q.green() - color.green())
+abs(q.blue() - color.blue()) <= 3
) {
break;
}
}
/*color not found, default to "others...*/
/* if(cIndex == count() - 1) {
cIndex=findData(QColor(Qt::black)); //default to Qt::black
}*/
}
setCurrentIndex(cIndex);
//std::cout<<"Default color for choosing: cIndex="<<cIndex<<" "<<RS_Color(itemData(cIndex).value<QColor>())<<std::endl;
if (currentIndex()!= count() -1 ) {
slotColorChanged(currentIndex());
}
}
/**
* generate icon from color, then add to color box
*/
void QG_ColorBox::addColor(Qt::GlobalColor color, QString text)
{
QPixmap pixmap(":/ui/color00.png");
int w = pixmap.width();
int h = pixmap.height();
QPainter painter(&pixmap);
painter.fillRect(1, 1, w-2, h-2, color);
addItem(QIcon(pixmap),text,QColor(color));
}
/**
* Sets the color of the pixmap next to the "By Layer" item
* to the given color.
*/
void QG_ColorBox::setLayerColor(const RS_Color& color) {
if (! showByLayer ) return;
QPixmap pixmap;
pixmap = QPixmap(":/ui/color00.png");
int w = pixmap.width();
int h = pixmap.height();
QPainter painter(&pixmap);
painter.fillRect(1, 1, w-2, h-2, color);
painter.end();
setItemIcon(0, QIcon(pixmap));
setItemText(0, tr("By Layer"));
// needed for the first time a layer is added:
if (currentIndex()!= count() -1 ) {
slotColorChanged(currentIndex());
}
}
/**
* Called when the color has changed. This method
* sets the current color to the value chosen or even
* offers a dialog to the user that allows him/ her to
* choose an individual color.
*/
void QG_ColorBox::slotColorChanged(int index) {
currentColor->resetFlags();
if (showUnchanged) {
if (index==0) {
unchanged = true;
}
else {
unchanged = false;
}
}
if (showByLayer) {
switch (index-(int)showUnchanged) {
case 0:
*currentColor = RS_Color(RS2::FlagByLayer);
break;
case 1:
*currentColor = RS_Color(RS2::FlagByBlock);
break;
default:
break;
}
}
if (itemText(index) == tr("Custom"))
{
RS_Color selectedColor = QColorDialog::getColor(*currentColor, this);
if (selectedColor.isValid())
*currentColor = selectedColor;
}
else if (index >= colorIndexStart)
{
if(index < count() )
{
QVariant q0=itemData(index);
if(q0 != QVariant::Invalid )
{
*currentColor=itemData(index).value<QColor>();
}
else
{
*currentColor=Qt::black; //default to black color
}
}
}
emit colorChanged(*currentColor);
}
RS_Color QG_ColorBox::getColor() const{
return *currentColor;
}
bool QG_ColorBox::isUnchanged() const{
return unchanged;
}