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Diffstat (limited to 'src/imports/controls/qquickstyle.cpp')
| -rw-r--r-- | src/imports/controls/qquickstyle.cpp | 826 |
1 files changed, 826 insertions, 0 deletions
diff --git a/src/imports/controls/qquickstyle.cpp b/src/imports/controls/qquickstyle.cpp new file mode 100644 index 00000000..54abbbf6 --- /dev/null +++ b/src/imports/controls/qquickstyle.cpp @@ -0,0 +1,826 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Controls module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickstyle_p.h" +#include "qquickstyledata_p.h" + +#include <QtCore/qset.h> +#include <QtCore/qpointer.h> +#include <QtQml/qqmlengine.h> +#include <QtQuick/qquickitem.h> +#include <QtQuick/qquickwindow.h> +#include <QtQuick/private/qquickitem_p.h> +#include <QtQuick/private/qquickitemchangelistener_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \qmltype Style + \inherits QtObject + \instantiates QQuickStyle + \inqmlmodule QtQuick.Controls + \ingroup utilities + \brief A style interface. + + TODO +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::accentColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::backgroundColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::focusColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::frameColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::pressColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::selectedTextColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::selectionColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::shadowColor +*/ + +/*! + \qmlattachedproperty color QtQuickControls2::Style::textColor +*/ + +/*! + \qmlattachedproperty int QtQuickControls2::Style::padding +*/ + +/*! + \qmlattachedproperty int QtQuickControls2::Style::roundness +*/ + +/*! + \qmlattachedproperty int QtQuickControls2::Style::spacing +*/ + +/*! + \qmlattachedproperty real QtQuickControls2::Style::disabledOpacity +*/ + +Q_GLOBAL_STATIC_WITH_ARGS(QQuickStyleData, globalStyleData, QStringLiteral(":/qtquickcontrols/style.json")) + +static QQuickStyle *styleInstance(QQmlEngine *engine) +{ + static QHash<QQmlEngine *, QQuickStyle *> styles; + QHash<QQmlEngine *, QQuickStyle *>::iterator it = styles.find(engine); + if (it == styles.end()) + it = styles.insert(engine, new QQuickStyle(*globalStyleData(), engine)); + return it.value(); +} + +static QQuickStyle *attachedStyle(QObject *object) +{ + if (object) + return qobject_cast<QQuickStyle*>(qmlAttachedPropertiesObject<QQuickStyle>(object, false)); + return Q_NULLPTR; +} + +static QQuickStyle *findParentStyle(QObject *object) +{ + QQuickItem *item = qobject_cast<QQuickItem *>(object); + if (item) { + // lookup parent items + QQuickItem *parent = item->parentItem(); + while (parent) { + QQuickStyle *attached = attachedStyle(parent); + if (attached) + return attached; + parent = parent->parentItem(); + } + + // fallback to item's window style + QQuickWindow *window = item->window(); + if (window) { + QQuickStyle *attached = attachedStyle(window); + if (attached) + return attached; + } + } + + // lookup parent window style + QQuickWindow *window = qobject_cast<QQuickWindow *>(object); + if (window) { + QQuickWindow *parentWindow = qobject_cast<QQuickWindow *>(window->parent()); + if (parentWindow) { + QQuickStyle *attached = attachedStyle(window); + if (attached) + return attached; + } + } + + // fallback to global style + if (object) { + QQmlEngine *engine = qmlEngine(object); + if (engine) + return styleInstance(engine); + } + + return Q_NULLPTR; +} + +static QList<QQuickStyle *> findChildStyles(QObject *object) +{ + QList<QQuickStyle *> styles; + + QQuickItem *item = qobject_cast<QQuickItem *>(object); + if (!item) { + QQuickWindow *window = qobject_cast<QQuickWindow *>(object); + if (window) { + item = window->contentItem(); + + foreach (QObject *child, window->children()) { + QQuickWindow *childWindow = qobject_cast<QQuickWindow *>(child); + if (childWindow) { + QQuickStyle *style = attachedStyle(childWindow); + if (style) + styles += style; + } + } + } + } + + if (item) { + foreach (QQuickItem *child, item->childItems()) { + QQuickStyle *style = attachedStyle(child); + if (style) + styles += style; + else + styles += findChildStyles(child); + } + } + + return styles; +} + +class QQuickStylePrivate : public QObjectPrivate, public QQuickItemChangeListener +{ + Q_DECLARE_PUBLIC(QQuickStyle) + +public: + QQuickStylePrivate(const QQuickStyleData &data) : data(data), + explicitAccentColor(false), + explicitBackgroundColor(false), + explicitBaseColor(false), + explicitFocusColor(false), + explicitFrameColor(false), + explicitPressColor(false), + explicitSelectedTextColor(false), + explicitSelectionColor(false), + explicitShadowColor(false), + explicitTextColor(false), + explicitPadding(false), + explicitSpacing(false), + explicitRoundness(false), + explicitDisabledOpacity(false) { } + + enum Method { Implicit, Explicit, Inherit }; + + void setAccentColor(const QColor &color, Method method); + void setBackgroundColor(const QColor &color, Method method); + void setBaseColor(const QColor &color, Method method); + void setFocusColor(const QColor &color, Method method); + void setFrameColor(const QColor &color, Method method); + void setPressColor(const QColor &color, Method method); + void setSelectedTextColor(const QColor &color, Method method); + void setSelectionColor(const QColor &color, Method method); + void setShadowColor(const QColor &color, Method method); + void setTextColor(const QColor &color, Method method); + void setPadding(int padding, Method method); + void setRoundness(int roundness, Method method); + void setSpacing(int spacing, Method method); + void setDisabledOpacity(qreal opacity, Method method); + + void inherit(QQuickStyle *style); + + const QQuickStyleData &resolve() const; + + // TODO: add QQuickItemChangeListener::itemSceneChanged() + void itemParentChanged(QQuickItem *item, QQuickItem *parent) Q_DECL_OVERRIDE; + + QQuickStyleData data; + QPointer<QQuickStyle> parentStyle; + QSet<QQuickStyle *> childStyles; + + bool explicitAccentColor; + bool explicitBackgroundColor; + bool explicitBaseColor; + bool explicitFocusColor; + bool explicitFrameColor; + bool explicitPressColor; + bool explicitSelectedTextColor; + bool explicitSelectionColor; + bool explicitShadowColor; + bool explicitTextColor; + bool explicitPadding; + bool explicitSpacing; + bool explicitRoundness; + bool explicitDisabledOpacity; +}; + +void QQuickStylePrivate::setAccentColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitAccentColor || method != Inherit) { + explicitAccentColor = method == Explicit; + if (data.accentColor() != color) { + data.setAccentColor(color); + emit q->accentColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setAccentColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setBackgroundColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitBackgroundColor || method != Inherit) { + explicitBackgroundColor = method == Explicit; + if (data.backgroundColor() != color) { + data.setBackgroundColor(color); + emit q->backgroundColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setBackgroundColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setBaseColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitBaseColor || method != Inherit) { + explicitBaseColor = method == Explicit; + if (data.baseColor() != color) { + data.setBaseColor(color); + emit q->baseColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setBaseColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setFocusColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitFocusColor || method != Inherit) { + explicitFocusColor = method == Explicit; + if (data.focusColor() != color) { + data.setFocusColor(color); + emit q->focusColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setFocusColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setFrameColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitFrameColor || method != Inherit) { + explicitFrameColor = method == Explicit; + if (data.frameColor() != color) { + data.setFrameColor(color); + emit q->frameColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setFrameColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setPressColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitPressColor || method != Inherit) { + explicitPressColor = method == Explicit; + if (data.pressColor() != color) { + data.setPressColor(color); + emit q->pressColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setPressColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setSelectedTextColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitSelectedTextColor || method != Inherit) { + explicitSelectedTextColor = method == Explicit; + if (data.selectedTextColor() != color) { + data.setSelectedTextColor(color); + q->selectedTextColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setSelectedTextColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setSelectionColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitSelectionColor || method != Inherit) { + explicitSelectionColor = method == Explicit; + if (data.selectionColor() != color) { + data.setSelectionColor(color); + emit q->selectionColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setSelectionColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setShadowColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitShadowColor || method != Inherit) { + explicitShadowColor = method == Explicit; + if (data.shadowColor() != color) { + data.setShadowColor(color); + emit q->shadowColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setShadowColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setTextColor(const QColor &color, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitTextColor || method != Inherit) { + explicitTextColor = method == Explicit; + if (data.textColor() != color) { + data.setTextColor(color); + emit q->textColorChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setTextColor(color, Inherit); + } + } +} + +void QQuickStylePrivate::setPadding(int padding, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitPadding || method != Inherit) { + explicitPadding = method == Explicit; + if (data.padding() != padding) { + data.setPadding(padding); + emit q->paddingChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setPadding(padding, Inherit); + } + } +} + +void QQuickStylePrivate::setRoundness(int roundness, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitRoundness || method != Inherit) { + explicitRoundness = method == Explicit; + if (data.roundness() != roundness) { + data.setRoundness(roundness); + emit q->roundnessChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setRoundness(roundness, Inherit); + } + } +} + +void QQuickStylePrivate::setSpacing(int spacing, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitSpacing || method != Inherit) { + explicitSpacing = method == Explicit; + if (data.spacing() != spacing) { + data.setSpacing(spacing); + emit q->spacingChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setSpacing(spacing, Inherit); + } + } +} + +void QQuickStylePrivate::setDisabledOpacity(qreal opacity, Method method) +{ + Q_Q(QQuickStyle); + if (!explicitDisabledOpacity || method != Inherit) { + explicitDisabledOpacity = method == Explicit; + if (data.disabledOpacity() != opacity) { + data.setDisabledOpacity(opacity); + emit q->disabledOpacityChanged(); + + foreach (QQuickStyle *child, childStyles) + child->d_func()->setDisabledOpacity(opacity, Inherit); + } + } +} + +void QQuickStylePrivate::inherit(QQuickStyle *style) +{ + setAccentColor(style->accentColor(), Inherit); + setBackgroundColor(style->backgroundColor(), Inherit); + setBaseColor(style->baseColor(), QQuickStylePrivate::Inherit); + setFocusColor(style->focusColor(), Inherit); + setFrameColor(style->frameColor(), Inherit); + setPressColor(style->pressColor(), Inherit); + setSelectedTextColor(style->selectedTextColor(), Inherit); + setSelectionColor(style->selectionColor(), Inherit); + setShadowColor(style->shadowColor(), Inherit); + setTextColor(style->textColor(), Inherit); + setPadding(style->padding(), Inherit); + setRoundness(style->roundness(), Inherit); + setSpacing(style->spacing(), Inherit); + setDisabledOpacity(style->disabledOpacity(), Inherit); +} + +const QQuickStyleData &QQuickStylePrivate::resolve() const +{ + Q_Q(const QQuickStyle); + QQuickStyle *style = findParentStyle(const_cast<QQuickStyle *>(q)); + return style ? style->d_func()->data : *globalStyleData(); +} + +void QQuickStylePrivate::itemParentChanged(QQuickItem *item, QQuickItem *) +{ + QQuickStyle *style = attachedStyle(item); + if (style) { + QQuickStyle *parent = findParentStyle(style); + if (parent) + style->setParentStyle(parent); + } +} + +QQuickStyle::QQuickStyle(const QQuickStyleData &data, QObject *parent) : + QObject(*(new QQuickStylePrivate(data)), parent) +{ + Q_D(QQuickStyle); + QQuickItem *item = qobject_cast<QQuickItem *>(parent); + if (item) + QQuickItemPrivate::get(item)->addItemChangeListener(d, QQuickItemPrivate::Parent); +} + +QQuickStyle::~QQuickStyle() +{ + Q_D(QQuickStyle); + QQuickItem *item = qobject_cast<QQuickItem *>(parent()); + if (item) + QQuickItemPrivate::get(item)->removeItemChangeListener(d, QQuickItemPrivate::Parent); + + setParentStyle(Q_NULLPTR); +} + +QQuickStyle *QQuickStyle::qmlAttachedProperties(QObject *object) +{ + QQuickStyle *style = Q_NULLPTR; + QQuickStyle *parent = findParentStyle(object); + if (parent) { + style = new QQuickStyle(parent->d_func()->data, object); + style->setParentStyle(parent); + } else { + style = new QQuickStyle(*globalStyleData(), object); + } + + QList<QQuickStyle *> childStyles = findChildStyles(object); + foreach (QQuickStyle *child, childStyles) + child->setParentStyle(style); + return style; +} + +QQuickStyle *QQuickStyle::parentStyle() const +{ + Q_D(const QQuickStyle); + return d->parentStyle; +} + +void QQuickStyle::setParentStyle(QQuickStyle *style) +{ + Q_D(QQuickStyle); + if (d->parentStyle != style) { + if (d->parentStyle) + d->parentStyle->d_func()->childStyles.remove(this); + d->parentStyle = style; + if (style) { + style->d_func()->childStyles.insert(this); + d->inherit(style); + } + } +} + +QColor QQuickStyle::accentColor() const +{ + Q_D(const QQuickStyle); + return d->data.accentColor(); +} + +void QQuickStyle::setAccentColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setAccentColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetAccentColor() +{ + Q_D(QQuickStyle); + d->setAccentColor(d->resolve().accentColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::backgroundColor() const +{ + Q_D(const QQuickStyle); + return d->data.backgroundColor(); +} + +void QQuickStyle::setBackgroundColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setBackgroundColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetBackgroundColor() +{ + Q_D(QQuickStyle); + d->setBackgroundColor(d->resolve().backgroundColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::baseColor() const +{ + Q_D(const QQuickStyle); + return d->data.baseColor(); +} + +void QQuickStyle::setBaseColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setBaseColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetBaseColor() +{ + Q_D(QQuickStyle); + d->setBaseColor(d->resolve().baseColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::focusColor() const +{ + Q_D(const QQuickStyle); + return d->data.focusColor(); +} + +void QQuickStyle::setFocusColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setFocusColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetFocusColor() +{ + Q_D(QQuickStyle); + d->setFocusColor(d->resolve().focusColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::frameColor() const +{ + Q_D(const QQuickStyle); + return d->data.frameColor(); +} + +void QQuickStyle::setFrameColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setFrameColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetFrameColor() +{ + Q_D(QQuickStyle); + d->setFrameColor(d->resolve().frameColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::pressColor() const +{ + Q_D(const QQuickStyle); + return d->data.pressColor(); +} + +void QQuickStyle::setPressColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setPressColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetPressColor() +{ + Q_D(QQuickStyle); + d->setPressColor(d->resolve().pressColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::selectedTextColor() const +{ + Q_D(const QQuickStyle); + return d->data.selectedTextColor(); +} + +void QQuickStyle::setSelectedTextColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setSelectedTextColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetSelectedTextColor() +{ + Q_D(QQuickStyle); + d->setSelectedTextColor(d->resolve().selectedTextColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::selectionColor() const +{ + Q_D(const QQuickStyle); + return d->data.selectionColor(); +} + +void QQuickStyle::setSelectionColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setSelectionColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetSelectionColor() +{ + Q_D(QQuickStyle); + d->setSelectionColor(d->resolve().selectionColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::shadowColor() const +{ + Q_D(const QQuickStyle); + return d->data.shadowColor(); +} + +void QQuickStyle::setShadowColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setShadowColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetShadowColor() +{ + Q_D(QQuickStyle); + d->setShadowColor(d->resolve().shadowColor(), QQuickStylePrivate::Implicit); +} + +QColor QQuickStyle::textColor() const +{ + Q_D(const QQuickStyle); + return d->data.textColor(); +} + +void QQuickStyle::setTextColor(const QColor &color) +{ + Q_D(QQuickStyle); + d->setTextColor(color, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetTextColor() +{ + Q_D(QQuickStyle); + d->setTextColor(d->resolve().textColor(), QQuickStylePrivate::Implicit); +} + +int QQuickStyle::padding() const +{ + Q_D(const QQuickStyle); + return d->data.padding(); +} + +void QQuickStyle::setPadding(int padding) +{ + Q_D(QQuickStyle); + d->setPadding(padding, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetPadding() +{ + Q_D(QQuickStyle); + d->setPadding(d->resolve().padding(), QQuickStylePrivate::Implicit); +} + +int QQuickStyle::roundness() const +{ + Q_D(const QQuickStyle); + return d->data.roundness(); +} + +void QQuickStyle::setRoundness(int roundness) +{ + Q_D(QQuickStyle); + d->setRoundness(roundness, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetRoundness() +{ + Q_D(QQuickStyle); + d->setRoundness(d->resolve().roundness(), QQuickStylePrivate::Implicit); +} + +int QQuickStyle::spacing() const +{ + Q_D(const QQuickStyle); + return d->data.spacing(); +} + +void QQuickStyle::setSpacing(int spacing) +{ + Q_D(QQuickStyle); + d->setSpacing(spacing, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetSpacing() +{ + Q_D(QQuickStyle); + d->setSpacing(d->resolve().spacing(), QQuickStylePrivate::Implicit); +} + +qreal QQuickStyle::disabledOpacity() const +{ + Q_D(const QQuickStyle); + return d->data.disabledOpacity(); +} + +void QQuickStyle::setDisabledOpacity(qreal opacity) +{ + Q_D(QQuickStyle); + d->setDisabledOpacity(opacity, QQuickStylePrivate::Explicit); +} + +void QQuickStyle::resetDisabledOpacity() +{ + Q_D(QQuickStyle); + d->setDisabledOpacity(d->resolve().disabledOpacity(), QQuickStylePrivate::Implicit); +} + +QT_END_NAMESPACE |