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Details

Type: Bug
Resolution: Duplicate
Priority: Not Evaluated
Fix Version/s: None
Affects Version/s: 5.8.0 Beta
Component/s: Quick: Controls 2
Labels:
None
Environment:
Mac OSX 10.12.1 - Qt built statically - ./configure -static -opengl desktop

Description

My application is a plugin software loaded by a software host. Because of this, I have to deploy it as a static lib.

The UI is complex and depends on several bundled frameworks such as QtQuickControls 2.0.

On mobile I can load successfully the UI. On the plugin version, with Qt built statically I can't have QtQuickControls 2.0 elements to be recognised.

I have been having this problem since 5.7. On 5.7 I had to hack Qt source in order to make it work. On this 5.8 beta I can't even know what to do because I don't have nothing coming out, just "Slider is not a type".

I can't tell which other Qt Quick elements are not being loaded because this is the first error of an extensive UI.

In the beggining of the .cpp I do this:

#ifdef Q_OS_WIN
#include <qt_windows.h>
#include <process.h>
Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
#endif

#ifdef Q_OS_MAC
Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin)
#include <dispatch/dispatch.h>
#endif

Q_IMPORT_PLUGIN(QtQuick2Plugin)
Q_IMPORT_PLUGIN(QtQuick2WindowPlugin)
Q_IMPORT_PLUGIN(QtQuickLayoutsPlugin)
Q_IMPORT_PLUGIN(QtQuickExtrasPlugin)
Q_IMPORT_PLUGIN(QtGraphicalEffectsPlugin)
Q_IMPORT_PLUGIN(QtGraphicalEffectsPrivatePlugin)

#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
Q_IMPORT_PLUGIN(QtQuickControls1Plugin)
Q_IMPORT_PLUGIN(QtQuickControls2Plugin)
Q_IMPORT_PLUGIN(QtQuickTemplates2Plugin)
#else
Q_IMPORT_PLUGIN(QtQuickControlsPlugin)
#endif

This after app initialization:

#if 1
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuick2Plugin().instance())->registerTypes("QtQuick");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuick2WindowPlugin().instance())->registerTypes("QtQuick.Window");
#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls1Plugin().instance())->registerTypes("QtQuick.Controls");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls1Plugin().instance())->registerTypes("QtQuick.Controls.Styles");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls1Plugin().instance())->registerTypes("QtQuick.Controls.Private");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls2Plugin().instance())->registerTypes("QtQuick.Controls");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls2Plugin().instance())->registerTypes("QtQuick.Controls.impl");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickLayoutsPlugin().instance())->registerTypes("QtQuick.Layouts");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickTemplates2Plugin().instance())->registerTypes("QtQuick.Templates");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtGraphicalEffectsPlugin().instance())->registerTypes("QtGraphicalEffects");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtGraphicalEffectsPrivatePlugin().instance())->registerTypes("QtGraphicalEffects.private");
#else
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControlsPlugin().instance())->registerTypes("QtQuick.Controls");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControlsPlugin().instance())->registerTypes("QtQuick.Controls.Styles");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControlsPlugin().instance())->registerTypes("QtQuick.Controls.Private");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtGraphicalEffectsPlugin().instance())->registerTypes("QtGraphicalEffects.private");
#endif
#endif

Then this after loading the qml file, when I have the engine

#if 1
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuick2Plugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtGraphicalEffectsPlugin().instance())->initializeEngine(_quickWidget->engine(), "QtGraphicalEffects");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickLayoutsPlugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick.Layouts");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls1Plugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick.Controls.Styles");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls1Plugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick.Controls.Private");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls1Plugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick.Controls");
#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls2Plugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick.Controls");
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControls2Plugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick.Controls.impl");
#else
qobject_cast<QQmlExtensionPlugin*>(qt_static_plugin_QtQuickControlsPlugin().instance())->initializeEngine(_quickWidget->engine(), "QtQuick.Controls");
#endif
#endif

I'm also linking with the plugin:

CONFIG(debug, debug|release) {
    LIBS += $$(QTDIR)/qml/QtQuick.2/libqtquick2plugin_debug.a
    LIBS += $$(QTDIR)/qml/QtQuick/Window.2/libwindowplugin_debug.a
    LIBS += $$(QTDIR)/qml/QtQuick/Controls/libqtquickcontrolsplugin_debug.a
    LIBS += $$(QTDIR)/qml/QtQuick/Layouts/libqquicklayoutsplugin_debug.a
    LIBS += $$(QTDIR)/qml/QtQuick/Extras/libqtquickextrasplugin_debug.a
    LIBS += $$(QTDIR)/qml/QtGraphicalEffects/libqtgraphicaleffectsplugin_debug.a
    LIBS += $$(QTDIR)/qml/QtGraphicalEffects/private/libqtgraphicaleffectsprivate_debug.a
    LIBS += $$(QTDIR)/plugins/qmltooling/libqmldbg_native_debug.a
    LIBS += $$(QTDIR)/lib/libQt5QuickWidgets_debug.a
} else {
    LIBS += $$(QTDIR)/qml/QtQuick.2/libqtquick2plugin.a
    LIBS += $$(QTDIR)/qml/QtQuick/Window.2/libwindowplugin.a
    LIBS += $$(QTDIR)/qml/QtQuick/Controls/libqtquickcontrolsplugin.a
    LIBS += $$(QTDIR)/qml/QtQuick/Layouts/libqquicklayoutsplugin.a
    LIBS += $$(QTDIR)/qml/QtQuick/Extras/libqtquickextrasplugin.a
    LIBS += $$(QTDIR)/qml/QtGraphicalEffects/libqtgraphicaleffectsplugin.a
    LIBS += $$(QTDIR)/qml/QtGraphicalEffects/private/libqtgraphicaleffectsprivate.a
    LIBS += $$(QTDIR)/plugins/qmltooling/libqmldbg_native.a
    LIBS += $$(QTDIR)/lib/libQt5QuickWidgets.a
}

greaterThan(QT_MINOR_VERSION, 6) {
    CONFIG(debug, debug|release) {
        LIBS += $$(QTDIR)/qml/QtQuick/Templates.2/libqtquicktemplates2plugin_debug.a
        LIBS += $$(QTDIR)/qml/QtQuick/Controls.2/libqtquickcontrols2plugin_debug.a
        LIBS += $$(QTDIR)/qml/QtGraphicalEffects/libqtgraphicaleffectsplugin_debug.a
    } else {
        LIBS += $$(QTDIR)/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.a
        LIBS += $$(QTDIR)/qml/QtQuick/Controls.2/libqtquickcontrols2plugin.a
        LIBS += $$(QTDIR)/qml/QtGraphicalEffects/libqtgraphicaleffectsplugin.a
    }
}

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host-and-lib.zip
4 kB
02 Jan '17 16:38

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"Slider is not a type" - QtQuickControls 2.0 not available on static build of Qt

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