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Gui: fixes DlgSettingsColorGradientImp:

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* handle exception in lambda function if max <= min
* fix regression of 10768fb32: a validator can be set to only one widget at a time
This commit is contained in:
wmayer
2022-04-03 10:51:10 +02:00
parent 39f4d20ead
commit 078ce76b88
3 changed files with 17 additions and 6 deletions
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15
src/Gui/DlgSettingsColorGradientImp.cpp
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@@ -23,6 +23,7 @@
#include "PreCompiled.h"
#ifndef _PreComp_
# include <cmath>
# include <limits>
# include <QButtonGroup>
# include <QDoubleValidator>
# include <QFontMetrics>
@@ -50,14 +51,20 @@ DlgSettingsColorGradientImp::DlgSettingsColorGradientImp(const App::ColorGradien
, ui(new Ui_DlgSettingsColorGradient)
{
ui->setupUi(this);
ui->spinBoxDecimals->setMaximum(std::numeric_limits<float>::digits10);
// remove the automatic help button in dialog title since we don't use it
setWindowFlag(Qt::WindowContextHelpButtonHint, false);
// the elementary charge is 1.6e-19, since such values might be the result of
// simulations, use this as boundary for a scientific validator
validator = new QDoubleValidator(-2e19, 2e19, ui->spinBoxDecimals->maximum(), this);
validator->setNotation(QDoubleValidator::ScientificNotation);
ui->floatLineEditMax->setValidator(validator);
ui->floatLineEditMin->setValidator(validator);
QDoubleValidator* maxValidator = new QDoubleValidator(-2e19, 2e19, ui->spinBoxDecimals->maximum(), this);
maxValidator->setNotation(QDoubleValidator::ScientificNotation);
ui->floatLineEditMax->setValidator(maxValidator);
QDoubleValidator* minValidator = new QDoubleValidator(-2e19, 2e19, ui->spinBoxDecimals->maximum(), this);
minValidator->setNotation(QDoubleValidator::ScientificNotation);
ui->floatLineEditMin->setValidator(minValidator);
// assure that the LineEdit is as wide to contain numbers with 4 digits and 6 decimals
QFontMetrics fm(ui->floatLineEditMax->font());
ui->floatLineEditMax->setMinimumWidth(QtTools::horizontalAdvance(fm, QString::fromLatin1("-8000.000000")));