diff options
Diffstat (limited to 'src/gui/kernel/qstylehints.cpp')
| -rw-r--r-- | src/gui/kernel/qstylehints.cpp | 173 |
1 files changed, 109 insertions, 64 deletions
diff --git a/src/gui/kernel/qstylehints.cpp b/src/gui/kernel/qstylehints.cpp index 7b3c70c51b..0d15d114ec 100644 --- a/src/gui/kernel/qstylehints.cpp +++ b/src/gui/kernel/qstylehints.cpp @@ -1,43 +1,8 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include <qstylehints.h> +#include "qstylehints_p.h" #include <qpa/qplatformintegration.h> #include <qpa/qplatformtheme.h> #include <private/qguiapplication_p.h> @@ -79,25 +44,6 @@ static inline QVariant themeableHint(QPlatformTheme::ThemeHint th) return QPlatformTheme::defaultThemeHint(th); } -class QStyleHintsPrivate : public QObjectPrivate -{ - Q_DECLARE_PUBLIC(QStyleHints) -public: - int m_mouseDoubleClickInterval = -1; - int m_mousePressAndHoldInterval = -1; - int m_startDragDistance = -1; - int m_startDragTime = -1; - int m_keyboardInputInterval = -1; - int m_cursorFlashTime = -1; - int m_tabFocusBehavior = -1; - int m_uiEffects = -1; - int m_showShortcutsInContextMenus = -1; - int m_wheelScrollLines = -1; - int m_mouseQuickSelectionThreshold = -1; - int m_mouseDoubleClickDistance = -1; - int m_touchDoubleTapDistance = -1; -}; - /*! \class QStyleHints \since 5.0 @@ -107,11 +53,10 @@ public: An object of this class, obtained from QGuiApplication, provides access to certain global user interface parameters of the current platform. - Access is read only; typically the platform itself provides the user a way to tune these - parameters. - - Access to these parameters are useful when implementing custom user interface components, in that - they allow the components to exhibit the same behaviour and feel as other components. + Access to most settings is read only. The platform itself usually provides the user with + ways to tune these parameters. Authors of custom user interface components should read + relevant settings to allow the components to exhibit the same behavior and feel as other + components. \sa QGuiApplication::styleHints() */ @@ -159,7 +104,7 @@ int QStyleHints::mouseDoubleClickDistance() const Q_D(const QStyleHints); return d->m_mouseDoubleClickDistance >= 0 ? d->m_mouseDoubleClickDistance : - themeableHint(QPlatformTheme::MouseDoubleClickDistance).toInt(); + themeableHint(QPlatformTheme::MouseDoubleClickDistance, QPlatformIntegration::MouseDoubleClickDistance).toInt(); } /*! @@ -177,6 +122,63 @@ int QStyleHints::touchDoubleTapDistance() const } /*! + \property QStyleHints::colorScheme + \brief the color scheme used by the application. + + By default, this follows the system's default color scheme (also known as appearance), + and changes when the system color scheme changes (e.g. during dusk or dawn). + Setting the color scheme to an explicit value will override the system setting and + ignore any changes to the system's color scheme. However, doing so is a hint to the + system, and overriding the color scheme is not supported on all platforms. + + Resetting this property, or setting it to \l{Qt::ColorScheme::Unknown}, will remove + the override and make the application follow the system default again. The property + value will change to the color scheme the system currently has. + + When this property changes, Qt will read the system palette and update the default + palette, but won't overwrite palette entries that have been explicitly set by the + application. When the colorSchemeChange() signal gets emitted, the old palette is + still in effect. + + Application-specific colors should be selected to work well with the effective + palette, taking the current color scheme into account. To update application- + specific colors when the effective palette changes, handle + \l{QEvent::}{PaletteChange} or \l{QEvent::}{ApplicationPaletteChange} events. + + \sa Qt::ColorScheme, QGuiApplication::palette(), QEvent::PaletteChange + \since 6.5 +*/ +Qt::ColorScheme QStyleHints::colorScheme() const +{ + Q_D(const QStyleHints); + return d->colorScheme(); +} + +/*! + \since 6.8 + + Sets the color scheme used by the application to an explicit \a scheme, or + revert to the system's current color scheme if \a scheme is Qt::ColorScheme::Unknown. +*/ +void QStyleHints::setColorScheme(Qt::ColorScheme scheme) +{ + if (!QCoreApplication::instance()) { + qWarning("Must construct a QGuiApplication before accessing a platform theme hint."); + return; + } + if (QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme()) + theme->requestColorScheme(scheme); +} + +/*! + \fn void QStyleHints::unsetColorScheme() + \since 6.8 + + Restores the color scheme to the system's current color scheme. +*/ + + +/*! Sets the \a mousePressAndHoldInterval. \internal \sa mousePressAndHoldInterval() @@ -322,15 +324,29 @@ int QStyleHints::keyboardInputInterval() const themeableHint(QPlatformTheme::KeyboardInputInterval, QPlatformIntegration::KeyboardInputInterval).toInt(); } +#if QT_DEPRECATED_SINCE(6, 5) /*! \property QStyleHints::keyboardAutoRepeatRate \brief the rate, in events per second, in which additional repeated key presses will automatically be generated if a key is being held down. + \deprecated [6.5] Use keyboardAutoRepeatRateF() instead */ int QStyleHints::keyboardAutoRepeatRate() const { return themeableHint(QPlatformTheme::KeyboardAutoRepeatRate, QPlatformIntegration::KeyboardAutoRepeatRate).toInt(); } +#endif + +/*! + \property QStyleHints::keyboardAutoRepeatRateF + \since 6.5 + \brief the rate, in events per second, in which additional repeated key + presses will automatically be generated if a key is being held down. +*/ +qreal QStyleHints::keyboardAutoRepeatRateF() const +{ + return themeableHint(QPlatformTheme::KeyboardAutoRepeatRate, QPlatformIntegration::KeyboardAutoRepeatRate).toReal(); +} /*! Sets the \a cursorFlashTime. @@ -406,6 +422,8 @@ bool QStyleHints::showIsMaximized() const Since Qt 5.13, the setShowShortcutsInContextMenus() function can be used to override the platform default. + + \sa Qt::AA_DontShowShortcutsInContextMenus */ bool QStyleHints::showShortcutsInContextMenus() const { @@ -476,7 +494,7 @@ bool QStyleHints::useRtlExtensions() const */ bool QStyleHints::setFocusOnTouchRelease() const { - return hint(QPlatformIntegration::SetFocusOnTouchRelease).toBool(); + return themeableHint(QPlatformTheme::SetFocusOnTouchRelease, QPlatformIntegration::SetFocusOnTouchRelease).toBool(); } /*! @@ -620,4 +638,31 @@ int QStyleHints::mouseQuickSelectionThreshold() const return themeableHint(QPlatformTheme::MouseQuickSelectionThreshold, QPlatformIntegration::MouseQuickSelectionThreshold).toInt(); } +/*! + \internal + QStyleHintsPrivate::updateColorScheme - set a new color scheme. + + This function is called by the QPA plugin when the system theme changes. This in + turn might be the result of an explicit request of a color scheme via setColorScheme. + + Set \a colorScheme as the new color scheme of the QStyleHints. + The colorSchemeChanged signal will be emitted if present and new color scheme differ. + */ +void QStyleHintsPrivate::updateColorScheme(Qt::ColorScheme colorScheme) +{ + if (m_colorScheme == colorScheme) + return; + m_colorScheme = colorScheme; + Q_Q(QStyleHints); + emit q->colorSchemeChanged(colorScheme); +} + +QStyleHintsPrivate *QStyleHintsPrivate::get(QStyleHints *q) +{ + Q_ASSERT(q); + return q->d_func(); +} + QT_END_NAMESPACE + +#include "moc_qstylehints.cpp" |