Expose QPA API under qpa/*

The main reasons for doing this are:
1. _qpa.h end up in the master QtGui include file. QtGui is meant for
userland applications. qpa code is neither binary nor source compatible.
Inadvertant use of QPA api makes the user code binary-incompatible.
2. syncqt creates forwarding headers for non-private header files. This
gives people the impression that this is public API.

As discussed on the mailing list, even though QPA api is internal and subject
to change, it needs to  treated differently from private headers since they
will be used by  in-qtbase and out-of-qtbase plugins.

This commit does the following:
1. The _qpa in QPA header files is dropped.
2. syncqt now treats any file with qplatform prefix as a special file and
moves it to qpa/ directory. The recommended way of using QPA API in plugins
is: #include <qpa/qplatformfoo.h>. This allows the user include QPA API
from multiple modules (for example, qplatformfoo might be in QtPrintSupport)
3. The user needs to explicitly add QT += <module>-private to get access to
the qpa api.
4. Creates compat headers for the olden style qplatformfoo_qpa.h and QPlatformFoo
includes.

This commit does not change the cpp filenames. This requires a more careful
merging of existing non qpa cpp files and existing cpp files on a case by
case basis. This can be done at anytime.

The following files are not renamed as part of this changed but will be fixed
as part of a future change:
src/gui/kernel/qgenericpluginfactory_qpa.h
src/gui/kernel/qgenericplugin_qpa.h
src/gui/kernel/qwindowsysteminterface_qpa.h

files were renamed using

    for x in `find . -name "qplatform*_qpa.h"`; do git mv $x "${x/_qpa.h/.h}"; done
    for x in `find . -name "qplatform*_qpa_p.h"`; do git mv $x "${x/_qpa_p.h/_p.h}"; done

includes were renamed using script

for file in `find . -name "*.h" -or -name "*.cpp" -or -name "*.mm"`; do
    sed -i -e 's,.*#.*include.*<\(Qt.*/\)\?\(QPlatform.*\)>,#include <qpa/\L\2.h>,g' \
        -e 's,.*#.*include.*"\(Qt.*/\)\?\(QPlatform.*\)",#include <qpa/\L\2.h>,g' \
        -e 's,.*#.*include.* "\(qplatform.*\)_qpa.h",#include <qpa/\L\1.h>,g' \
        -e 's,.*#.*include.*"\(qplatform.*\)_qpa_p.h",#include <qpa/\L\1_p.h>,g' \
        -e 's,.*#.*include.*<\(Qt.*/\|Qt.*/private/\|private/\)\?\(qplatform.*\)_qpa\(.*\)>,#include <qpa/\2\3>,g' \
        -e 's,.*#.*include.*"\(Qt.*/\|Qt.*/private/\|private/\)\?\(qplatform.*\)_qpa\(.*\)",#include <qpa/\2\3>,g' \
        $file
done

Change-Id: I04a350314a45746e3911f54b3b21ad03315afb67
Reviewed-by: Morten Johan Sørvig <morten.sorvig@nokia.com>
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>

8 files changed, 9 insertions, 9 deletions

diff --git a/src/plugins/platforms/kms/main.cpp b/src/plugins/platforms/kms/main.cpp
index 422fc5fba6..c1baaf3a4e 100644
--- a/src/plugins/platforms/kms/main.cpp
+++ b/src/plugins/platforms/kms/main.cpp
@@ -39,7 +39,7 @@
 **
 ****************************************************************************/
 
-#include <QtGui/QPlatformIntegrationPlugin>
+#include <qpa/qplatformintegrationplugin.h>
 #include "qkmsintegration.h"
 
 QT_BEGIN_NAMESPACE
diff --git a/src/plugins/platforms/kms/qkmsbackingstore.h b/src/plugins/platforms/kms/qkmsbackingstore.h
index ab276fa753..59d9c9ad94 100644
--- a/src/plugins/platforms/kms/qkmsbackingstore.h
+++ b/src/plugins/platforms/kms/qkmsbackingstore.h
@@ -42,7 +42,7 @@
 #ifndef QBACKINGSTORE_KMS_H
 #define QBACKINGSTORE_KMS_H
 
-#include <QtGui/QPlatformBackingStore>
+#include <qpa/qplatformbackingstore.h>
 #include <QImage>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/plugins/platforms/kms/qkmscontext.h b/src/plugins/platforms/kms/qkmscontext.h
index 6378780f34..32223ada51 100644
--- a/src/plugins/platforms/kms/qkmscontext.h
+++ b/src/plugins/platforms/kms/qkmscontext.h
@@ -42,7 +42,7 @@
 #ifndef QKMSCONTEXT_H
 #define QKMSCONTEXT_H
 
-#include <QtGui/QPlatformOpenGLContext>
+#include <qpa/qplatformopenglcontext.h>
 
 #define EGL_EGLEXT_PROTOTYPES 1
 #include <EGL/egl.h>
diff --git a/src/plugins/platforms/kms/qkmscursor.h b/src/plugins/platforms/kms/qkmscursor.h
index f6e1176a36..c0734eb68a 100644
--- a/src/plugins/platforms/kms/qkmscursor.h
+++ b/src/plugins/platforms/kms/qkmscursor.h
@@ -42,7 +42,7 @@
 #ifndef QKMSCURSOR_H
 #define QKMSCURSOR_H
 
-#include <QtGui/QPlatformCursor>
+#include <qpa/qplatformcursor.h>
 
 #define EGL_EGLEXT_PROTOTYPES 1
 
diff --git a/src/plugins/platforms/kms/qkmsintegration.h b/src/plugins/platforms/kms/qkmsintegration.h
index 03fc5080a6..93b3084e9b 100644
--- a/src/plugins/platforms/kms/qkmsintegration.h
+++ b/src/plugins/platforms/kms/qkmsintegration.h
@@ -42,8 +42,8 @@
 #ifndef QPLATFORMINTEGRATION_KMS_H
 #define QPLATFORMINTEGRATION_KMS_H
 
-#include <QtGui/QPlatformIntegration>
-#include <QtGui/QPlatformNativeInterface>
+#include <qpa/qplatformintegration.h>
+#include <qpa/qplatformnativeinterface.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/plugins/platforms/kms/qkmsnativeinterface.h b/src/plugins/platforms/kms/qkmsnativeinterface.h
index 77a9573250..20949becba 100644
--- a/src/plugins/platforms/kms/qkmsnativeinterface.h
+++ b/src/plugins/platforms/kms/qkmsnativeinterface.h
@@ -44,7 +44,7 @@
 
 #include "qkmsscreen.h"
 
-#include <QtGui/QPlatformNativeInterface>
+#include <qpa/qplatformnativeinterface.h>
 
 class QKmsNativeInterface : public QPlatformNativeInterface
 {
diff --git a/src/plugins/platforms/kms/qkmsscreen.h b/src/plugins/platforms/kms/qkmsscreen.h
index 058314a515..e8e6bda22d 100644
--- a/src/plugins/platforms/kms/qkmsscreen.h
+++ b/src/plugins/platforms/kms/qkmsscreen.h
@@ -42,7 +42,7 @@
 #ifndef QKMSSCREEN_H
 #define QKMSSCREEN_H
 
-#include <QtGui/QPlatformScreen>
+#include <qpa/qplatformscreen.h>
 #include "qkmsbuffermanager.h"
 
 QT_BEGIN_NAMESPACE
diff --git a/src/plugins/platforms/kms/qkmswindow.h b/src/plugins/platforms/kms/qkmswindow.h
index 2a7839681f..c9b3c2692f 100644
--- a/src/plugins/platforms/kms/qkmswindow.h
+++ b/src/plugins/platforms/kms/qkmswindow.h
@@ -42,7 +42,7 @@
 #ifndef QKMSWINDOW_H
 #define QKMSWINDOW_H
 
-#include <QtGui/QPlatformWindow>
+#include <qpa/qplatformwindow.h>
 
 QT_BEGIN_NAMESPACE