katie/src/gui/kernel/qguiplatformplugin.h

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#ifndef QGUIPLATFORM_P_H
#define QGUIPLATFORM_P_H

#include <QtCore/qplugin.h>
#include <QtCore/qfactoryinterface.h>
#include <QtGui/qdialog.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QPalette;
class QIcon;
class QFileDialog;
class QColorDialog;
class QFileInfo;

struct Q_GUI_EXPORT QGuiPlatformPluginInterface  : public QFactoryInterface
{
};

class Q_GUI_EXPORT QGuiPlatformPlugin : public QObject, public QGuiPlatformPluginInterface
{
    Q_OBJECT
    Q_INTERFACES(QGuiPlatformPluginInterface:QFactoryInterface)
    public:
        explicit QGuiPlatformPlugin(QObject *parent = Q_NULLPTR);
        ~QGuiPlatformPlugin();

        virtual QStringList keys() const {  return QStringList() << QLatin1String("default");  };

        virtual QString styleName();
        virtual QPalette palette();
        virtual QString systemIconThemeName();
        virtual QStringList iconThemeSearchPaths();
        virtual QIcon fileSystemIcon(const QFileInfo &);

        enum PlatformHint { PH_ToolButtonStyle, PH_ToolBarIconSize, PH_ItemView_ActivateItemOnSingleClick };
        virtual int platformHint(PlatformHint hint);


        virtual void fileDialogDelete(QFileDialog *) {}
        virtual bool fileDialogSetVisible(QFileDialog *, bool) { return false; }
        virtual QDialog::DialogCode fileDialogResultCode(QFileDialog *) { return QDialog::Rejected; }
        virtual void fileDialogSetDirectory(QFileDialog *, const QString &) {}
        virtual QString fileDialogDirectory(const QFileDialog *) const { return QString(); }
        virtual void fileDialogSelectFile(QFileDialog *, const QString &) {}
        virtual QStringList fileDialogSelectedFiles(const QFileDialog *) const { return QStringList(); }
        virtual void fileDialogSetFilter(QFileDialog *) {}
        virtual void fileDialogSetNameFilters(QFileDialog *, const QStringList &) {}
        virtual void fileDialogSelectNameFilter(QFileDialog *, const QString &) {}
        virtual QString fileDialogSelectedNameFilter(const QFileDialog *) const { return QString(); }

        virtual void colorDialogDelete(QColorDialog *) {}
        virtual bool colorDialogSetVisible(QColorDialog *, bool) { return false; }
        virtual void colorDialogSetCurrentColor(QColorDialog *, const QColor &) {}
};

//internal
QGuiPlatformPlugin *qt_guiPlatformPlugin();

QT_END_NAMESPACE

#define QGuiPlatformPluginInterface_iid "com.nokia.qt.QGuiPlatformPluginInterface"
Q_DECLARE_INTERFACE(QGuiPlatformPluginInterface, QGuiPlatformPluginInterface_iid)

QT_END_HEADER


#endif // QGUIPLATFORMPLUGIN_H