diff options
author | J-P Nurmi <jpnurmi@theqtcompany.com> | 2015-10-22 14:04:46 +0200 |
---|---|---|
committer | J-P Nurmi <jpnurmi@theqtcompany.com> | 2015-10-22 13:19:42 +0000 |
commit | f765bca3f7d34db01d1fc453d4ebce66c278fe2a (patch) | |
tree | 58034556bea8012a1754d71717cb1609d7c097d1 /src/imports/controls/qquicktheme.cpp | |
parent | 7e037903e9efdc593c9d51da8f303a061e7e08e7 (diff) |
Share style inheritance related helpers
Usage:
# +material/material.pro
include(../shared/shared.pri)
// qquickmaterialstyle.cpp
#include "qquickstyle_p.h"
QQuickMaterialStyle *style =
QQuickStyle::instance<QQuickMaterialStyle>(item);
// ...
QQuickMaterialStyle *parent =
QQuickStyle::findParent<QQuickMaterialStyle>(this);
// ...
QList<QQuickMaterialStyle *> children =
QQuickStyle::findChildren<QQuickMaterialStyle>(object);
// ...
Change-Id: I2c01a1aa36805f16d83fa60ab25b2cc29e6a43cc
Reviewed-by: Mitch Curtis <mitch.curtis@theqtcompany.com>
Diffstat (limited to 'src/imports/controls/qquicktheme.cpp')
-rw-r--r-- | src/imports/controls/qquicktheme.cpp | 116 |
1 files changed, 16 insertions, 100 deletions
diff --git a/src/imports/controls/qquicktheme.cpp b/src/imports/controls/qquicktheme.cpp index 7fec28c9..f0345df2 100644 --- a/src/imports/controls/qquicktheme.cpp +++ b/src/imports/controls/qquicktheme.cpp @@ -36,6 +36,7 @@ #include "qquicktheme_p.h" #include "qquickthemedata_p.h" +#include "qquickstyle_p.h" #include <QtCore/qset.h> #include <QtCore/qpointer.h> @@ -100,100 +101,6 @@ QT_BEGIN_NAMESPACE Q_GLOBAL_STATIC_WITH_ARGS(QQuickThemeData, globalThemeData, (QString::fromLatin1(":/qtlabscontrols/theme.json"))) -static QQuickThemeAttached *themeInstance(QQmlEngine *engine) -{ - QQuickThemeAttached *theme = engine->property("_q_quicktheme").value<QQuickThemeAttached *>(); - if (!theme) { - theme = new QQuickThemeAttached(*globalThemeData(), engine); - engine->setProperty("_q_quicktheme", QVariant::fromValue(theme)); - } - return theme; -} - -static QQuickThemeAttached *attachedTheme(QObject *object) -{ - if (object) - return qobject_cast<QQuickThemeAttached*>(qmlAttachedPropertiesObject<QQuickThemeAttached>(object, false)); - return Q_NULLPTR; -} - -static QQuickThemeAttached *findParentTheme(QObject *object) -{ - QQuickItem *item = qobject_cast<QQuickItem *>(object); - if (item) { - // lookup parent items - QQuickItem *parent = item->parentItem(); - while (parent) { - QQuickThemeAttached *attached = attachedTheme(parent); - if (attached) - return attached; - parent = parent->parentItem(); - } - - // fallback to item's window theme - QQuickWindow *window = item->window(); - if (window) { - QQuickThemeAttached *attached = attachedTheme(window); - if (attached) - return attached; - } - } - - // lookup parent window theme - QQuickWindow *window = qobject_cast<QQuickWindow *>(object); - if (window) { - QQuickWindow *parentWindow = qobject_cast<QQuickWindow *>(window->parent()); - if (parentWindow) { - QQuickThemeAttached *attached = attachedTheme(window); - if (attached) - return attached; - } - } - - // fallback to global theme - if (object) { - QQmlEngine *engine = qmlEngine(object); - if (engine) - return themeInstance(engine); - } - - return Q_NULLPTR; -} - -static QList<QQuickThemeAttached *> findChildThemes(QObject *object) -{ - QList<QQuickThemeAttached *> themes; - - 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) { - QQuickThemeAttached *theme = attachedTheme(childWindow); - if (theme) - themes += theme; - } - } - } - } - - if (item) { - foreach (QQuickItem *child, item->childItems()) { - QQuickThemeAttached *theme = attachedTheme(child); - if (theme) - themes += theme; - else - themes += findChildThemes(child); - } - } - - return themes; -} - class QQuickThemeAttachedPrivate : public QObjectPrivate, public QQuickItemChangeListener { Q_DECLARE_PUBLIC(QQuickThemeAttached) @@ -433,20 +340,29 @@ void QQuickThemeAttachedPrivate::inherit(QQuickThemeAttached *theme) const QQuickThemeData &QQuickThemeAttachedPrivate::resolve() const { Q_Q(const QQuickThemeAttached); - QQuickThemeAttached *theme = findParentTheme(const_cast<QQuickThemeAttached *>(q)); + QQuickThemeAttached *theme = QQuickStyle::findParent<QQuickThemeAttached>(const_cast<QQuickThemeAttached *>(q)); return theme ? theme->d_func()->data : *globalThemeData(); } void QQuickThemeAttachedPrivate::itemParentChanged(QQuickItem *item, QQuickItem *) { - QQuickThemeAttached *theme = attachedTheme(item); + QQuickThemeAttached *theme = QQuickStyle::instance<QQuickThemeAttached>(item); if (theme) { - QQuickThemeAttached *parent = findParentTheme(theme); + QQuickThemeAttached *parent = QQuickStyle::findParent<QQuickThemeAttached>(theme); if (parent) theme->setParentTheme(parent); } } +QQuickThemeAttached::QQuickThemeAttached(QObject *parent) : + QObject(*(new QQuickThemeAttachedPrivate(*globalThemeData())), parent) +{ + Q_D(QQuickThemeAttached); + QQuickItem *item = qobject_cast<QQuickItem *>(parent); + if (item) + QQuickItemPrivate::get(item)->addItemChangeListener(d, QQuickItemPrivate::Parent); +} + QQuickThemeAttached::QQuickThemeAttached(const QQuickThemeData &data, QObject *parent) : QObject(*(new QQuickThemeAttachedPrivate(data)), parent) { @@ -469,15 +385,15 @@ QQuickThemeAttached::~QQuickThemeAttached() QQuickThemeAttached *QQuickThemeAttached::qmlAttachedProperties(QObject *object) { QQuickThemeAttached *theme = Q_NULLPTR; - QQuickThemeAttached *parent = findParentTheme(object); + QQuickThemeAttached *parent = QQuickStyle::findParent<QQuickThemeAttached>(object); if (parent) { theme = new QQuickThemeAttached(parent->d_func()->data, object); theme->setParentTheme(parent); } else { - theme = new QQuickThemeAttached(*globalThemeData(), object); + theme = new QQuickThemeAttached(object); } - QList<QQuickThemeAttached *> childThemes = findChildThemes(object); + QList<QQuickThemeAttached *> childThemes = QQuickStyle::findChildren<QQuickThemeAttached>(object); foreach (QQuickThemeAttached *child, childThemes) child->setParentTheme(theme); return theme; |