make use of qtHaveModule()

Change-Id: I14da5455b7dd4681254e1652395df5f5c65746bd
Reviewed-by: Tasuku Suzuki <stasuku@gmail.com>
Reviewed-by: Jonas Rabbe <jonas.rabbe@gmail.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

src/plugins/avfoundation/mediaplayer/mediaplayer.pro

@@ -37,7 +37,7 @@ OBJECTIVE_SOURCES += \
     avfvideoframerenderer.mm \
     avfvideooutput.mm
 
-!isEmpty(QT.widgets.name) {
+qtHaveModule(widgets) {
     QT += multimediawidgets-private opengl
     HEADERS += \
         avfvideowidgetcontrol.h \

src/plugins/directshow/camera/camera.pri

@@ -23,7 +23,7 @@ SOURCES += \
     $$PWD/dsimagecapturecontrol.cpp \
     $$PWD/dscamerasession.cpp
 
-!isEmpty(QT.widgets.name) {
+qtHaveModule(widgets) {
     HEADERS += $$PWD/dsvideowidgetcontrol.h
     SOURCES += $$PWD/dsvideowidgetcontrol.cpp
 }

src/plugins/directshow/directshow.pro

@@ -11,7 +11,7 @@ SOURCES += dsserviceplugin.cpp
 
 !config_wmsdk: DEFINES += QT_NO_WMSDK
 
-!isEmpty(QT.widgets.name) {
+qtHaveModule(widgets) {
     QT += multimediawidgets
     DEFINES += HAVE_WIDGETS
 }

src/plugins/directshow/player/player.pri

@@ -35,7 +35,7 @@ SOURCES += \
         $$PWD/mediasamplevideobuffer.cpp \
         $$PWD/videosurfacefilter.cpp
 
-!isEmpty(QT.widgets.name):!simulator {
+qtHaveModule(widgets):!simulator {
     HEADERS += \
         $$PWD/vmr9videowindowcontrol.h
 

src/plugins/gstreamer/common.pri

@@ -2,7 +2,7 @@
 QT += multimedia-private network
 CONFIG += no_private_qt_headers_warning
 
-!isEmpty(QT.widgets.name) {
+qtHaveModule(widgets) {
     QT += widgets multimediawidgets-private
     DEFINES += HAVE_WIDGETS
 }
@@ -26,7 +26,7 @@ config_resourcepolicy {
     PKGCONFIG += libresourceqt1
 }
 
-config_xvideo:!isEmpty(QT.widgets.name): {
+config_xvideo:qtHaveModule(widgets) {
     DEFINES += HAVE_XVIDEO
     LIBS += -lXv -lX11 -lXext
 }

src/plugins/qt7/qt7.pro

@@ -3,7 +3,7 @@ CONFIG += no_keywords
 
 TARGET = qqt7engine
 QT += multimedia-private network
-!isEmpty(QT.widgets.name) {
+qtHaveModule(widgets) {
     QT += multimediawidgets-private widgets
 }
 
@@ -50,7 +50,7 @@ OBJECTIVE_SOURCES += \
         qt7ciimagevideobuffer.mm \
         qcvdisplaylink.mm
 
-    !isEmpty(QT.widgets.name) {
+    qtHaveModule(widgets) {
         HEADERS += \
             qt7movieviewrenderer.h \
             qt7movievideowidget.h

src/plugins/wmf/player/player.pri

@@ -24,7 +24,7 @@ SOURCES += \
     $$PWD/mfaudioprobecontrol.cpp \
     $$PWD/mfvideoprobecontrol.cpp
 
-!isEmpty(QT.widgets.name):!simulator {
+qtHaveModule(widgets):!simulator {
     HEADERS += $$PWD/evr9videowindowcontrol.h
     SOURCES += $$PWD/evr9videowindowcontrol.cpp
 }

src/plugins/wmf/wmf.pro

@@ -1,6 +1,6 @@
 TARGET = wmfengine
 QT += multimedia-private network
-!isEmpty(QT.widgets.name) {
+qtHaveModule(widgets) {
     QT += multimediawidgets-private
     DEFINES += HAVE_WIDGETS
 }