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Issue #283: icons hard to see in dark mode

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This commit is contained in:
Jakub Melka
2025-05-18 20:05:31 +02:00
parent f342c46a10
commit b87493f25c
3 changed files with 15 additions and 6 deletions
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7
Pdf4QtDiff/main.cpp
View File

@ -24,6 +24,7 @@
#include "pdfdocumentreader.h"
#include "pdfsecurityhandler.h"
#include "pdfapplicationtranslator.h"
#include "pdfwidgetutils.h"
#include "mainwindow.h"
#include <QApplication>
@ -40,10 +41,14 @@ int main(int argc, char *argv[])
QApplication::setApplicationDisplayName(QApplication::translate("Application", "PDF4QT Diff"));
QCommandLineOption noDrm("no-drm", "Disable DRM settings of documents.");
QCommandLineOption lightGui("theme-light", "Use a light theme for the GUI.");
QCommandLineOption darkGui("theme-dark", "Use a dark theme for the GUI.");
QCommandLineParser parser;
parser.setApplicationDescription(QCoreApplication::applicationName());
parser.addOption(noDrm);
parser.addOption(lightGui);
parser.addOption(darkGui);
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument("file1", "The PDF file to be compared.");
@ -55,6 +60,8 @@ int main(int argc, char *argv[])
pdf::PDFSecurityHandler::setNoDRMMode();
}
pdf::PDFWidgetUtils::setDarkTheme(parser.isSet(lightGui), parser.isSet(darkGui));
pdf::PDFApplicationTranslator translator;
translator.installTranslator();

6
Pdf4QtLibWidgets/sources/pdfdrawspacecontroller.cpp
View File

@ -30,6 +30,7 @@
#include "pdfdrawwidget.h"
#include "pdfwidgetannotation.h"
#include "pdfpainterutils.h"
#include "pdfwidgetutils.h"
#include <QTimer>
#include <QPainter>
@ -785,7 +786,10 @@ QColor PDFDrawWidgetProxy::getPaperColor()
void PDFDrawWidgetProxy::drawPages(QPainter* painter, QRect rect, PDFRenderer::Features features)
{
painter->fillRect(rect, Qt::lightGray);
const bool darkScheme = PDFWidgetUtils::isDarkTheme();
QColor backgroundColor = darkScheme ? QColor(34, 34, 34) : QColor(Qt::lightGray);
painter->fillRect(rect, backgroundColor);
QTransform baseMatrix = painter->worldTransform();
// Use current paper color (it can be a bit different from white)

8
Pdf4QtLibWidgets/sources/pdfwidgetutils.cpp
View File

@ -196,11 +196,10 @@ void PDFWidgetUtils::setDarkTheme(bool isLightTheme, bool isDarkTheme)
{
QPalette darkPalette = QApplication::palette();
#ifdef Q_OS_WIN
QApplication::setStyle(QStyleFactory::create("Fusion"));
// Basic colors
darkPalette.setColor(QPalette::WindowText, QColor(220, 220, 220));
darkPalette.setColor(QPalette::WindowText, QColor(240, 246, 252));
darkPalette.setColor(QPalette::Button, QColor(53, 53, 53));
darkPalette.setColor(QPalette::Light, QColor(70, 70, 70));
darkPalette.setColor(QPalette::Midlight, QColor(60, 60, 60));
@ -213,8 +212,8 @@ void PDFWidgetUtils::setDarkTheme(bool isLightTheme, bool isDarkTheme)
darkPalette.setColor(QPalette::ButtonText, QColor(220, 220, 220));
// Background
darkPalette.setColor(QPalette::Base, QColor(42, 42, 42));
darkPalette.setColor(QPalette::Window, QColor(53, 53, 53));
darkPalette.setColor(QPalette::Base, QColor(13, 17, 23));
darkPalette.setColor(QPalette::Window, QColor(1, 4, 9));
darkPalette.setColor(QPalette::Shadow, QColor(20, 20, 20));
// Highlight
@ -245,7 +244,6 @@ void PDFWidgetUtils::setDarkTheme(bool isLightTheme, bool isDarkTheme)
currentColor = currentColor.lighter(150);
darkPalette.setColor(QPalette::Current, static_cast<QPalette::ColorRole>(i), currentColor);
}
#endif
// Placeholder text (Qt 5.12+)
darkPalette.setColor(QPalette::PlaceholderText, QColor(150, 150, 150));