mirror of
https://github.com/JakubMelka/PDF4QT.git
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111 lines
4.3 KiB
C++
111 lines
4.3 KiB
C++
// MIT License
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//
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// Copyright (c) 2018-2025 Jakub Melka and Contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#ifndef PDFWIDGETUTILS_H
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#define PDFWIDGETUTILS_H
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#include "pdfwidgetsglobal.h"
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#include "pdfglobal.h"
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#include <QIcon>
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#include <QWidget>
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namespace pdf
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{
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class PDF4QTLIBWIDGETSSHARED_EXPORT PDFWidgetUtils
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{
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public:
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PDFWidgetUtils() = delete;
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/// Converts size in MM to pixel size
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static int getPixelSize(const QPaintDevice* device, pdf::PDFReal sizeMM);
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/// Scale horizontal DPI value
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/// \param device Paint device to obtain logical DPI for scaling
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static int scaleDPI_x(const QPaintDevice* device, int unscaledSize);
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/// Scale vertical DPI value
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/// \param device Paint device to obtain logical DPI for scaling
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static int scaleDPI_y(const QPaintDevice* device, int unscaledSize);
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/// Scale horizontal DPI value
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/// \param device Paint device to obtain logical DPI for scaling
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static PDFReal scaleDPI_x(const QPaintDevice* device, PDFReal unscaledSize);
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/// Scales widget based on DPI
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/// \param widget Widget to be scaled
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/// \param unscaledSize Unscaled size of the widget
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static void scaleWidget(QWidget* widget, QSize unscaledSize);
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/// Scales size based on DPI
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/// \param device Paint device to obtain logical DPI for scaling
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/// \param unscaledSize Unscaled size
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static QSize scaleDPI(const QPaintDevice* widget, QSize unscaledSize);
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/// Apply style to the widget
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static void style(QWidget* widget);
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/// Overrides automatically detected dark theme / light theme settings
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static void setDarkTheme(bool isLightTheme, bool isDarkTheme);
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/// Returns true if the dark theme is currently set for the application.
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static bool isDarkTheme();
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/// Converts an action's icon for use in a dark theme.
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/// \param action Pointer to the QAction to be converted.
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/// \param iconSize The size of the action's icon.
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/// \param devicePixelRatioF The device pixel ratio factor.
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static void convertActionForDarkTheme(QAction* action, QSize iconSize, qreal devicePixelRatioF);
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/// Converts an icon for use in a dark theme.
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/// \param icon The icon to be converted.
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/// \param iconSize The size of the icon.
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/// \param devicePixelRatioF The device pixel ratio factor.
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static QIcon convertIconForDarkTheme(QIcon icon, QSize iconSize, qreal devicePixelRatioF);
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/// Converts an action's icon for use in a dark theme.
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/// \param action Pointer to the QAction to be converted.
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/// \param iconSize The size of the action's icon.
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/// \param devicePixelRatioF The device pixel ratio factor.
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template<typename Container>
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static void convertActionsForDarkTheme(const Container& actions, QSize iconSize, qreal devicePixelRatioF)
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{
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for (QAction* action : actions)
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{
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convertActionForDarkTheme(action, iconSize, devicePixelRatioF);
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}
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}
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/// Checks menu accessibility for all descendants of the specified widget.
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/// \param widget The widget whose descendants are to be checked.
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static void checkMenuAccessibility(QWidget* widget);
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/// Checks menu accessibility for the specified menu.
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/// \param menu The menu to be checked for accessibility.
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static void checkMenuAccessibility(QMenu* menu);
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};
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} // namespace pdf
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#endif // PDFWIDGETUTILS_H
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