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>

12 files changed, 14 insertions, 14 deletions

diff --git a/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp b/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp
index c7652e445f..eeac564689 100644
--- a/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp
+++ b/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp
@@ -50,8 +50,8 @@
 #include <qpaintengine.h>
 #include <qsplashscreen.h>
 
-#include <qplatformpixmap_qpa.h>
-#include <qplatformintegration_qpa.h>
+#include <qpa/qplatformpixmap.h>
+#include <qpa/qplatformintegration.h>
 #include <private/qguiapplication_p.h>
 #include <private/qdrawhelper_p.h>
 
diff --git a/tests/auto/gui/kernel/qinputmethod/tst_qinputmethod.cpp b/tests/auto/gui/kernel/qinputmethod/tst_qinputmethod.cpp
index cfe26d23e7..5bbd4958da 100644
--- a/tests/auto/gui/kernel/qinputmethod/tst_qinputmethod.cpp
+++ b/tests/auto/gui/kernel/qinputmethod/tst_qinputmethod.cpp
@@ -43,7 +43,7 @@
 
 #include <private/qguiapplication_p.h>
 #include <private/qinputmethod_p.h>
-#include <qplatforminputcontext_qpa.h>
+#include <qpa/qplatforminputcontext.h>
 #include "../../../shared/platforminputcontext.h"
 
 class InputItem : public QObject
diff --git a/tests/auto/gui/kernel/qkeysequence/tst_qkeysequence.cpp b/tests/auto/gui/kernel/qkeysequence/tst_qkeysequence.cpp
index 588584545c..766352f918 100644
--- a/tests/auto/gui/kernel/qkeysequence/tst_qkeysequence.cpp
+++ b/tests/auto/gui/kernel/qkeysequence/tst_qkeysequence.cpp
@@ -42,7 +42,7 @@
 
 #include <QtTest/QtTest>
 #include <qkeysequence.h>
-#include <qplatformtheme_qpa.h>
+#include <qpa/qplatformtheme.h>
 #include <private/qkeysequence_p.h>
 #include <private/qguiapplication_p.h>
 #include <QTranslator>
diff --git a/tests/auto/opengl/qgl/tst_qgl.cpp b/tests/auto/opengl/qgl/tst_qgl.cpp
index 051e26f4af..5da44dfbfa 100644
--- a/tests/auto/opengl/qgl/tst_qgl.cpp
+++ b/tests/auto/opengl/qgl/tst_qgl.cpp
@@ -55,7 +55,7 @@
 #include <QVBoxLayout>
 
 #ifdef QT_BUILD_INTERNAL
-#include <qplatformpixmap_qpa.h>
+#include <qpa/qplatformpixmap.h>
 #include <QtOpenGL/private/qgl_p.h>
 #include <QtGui/private/qimage_p.h>
 #include <QtGui/private/qimagepixmapcleanuphooks_p.h>
diff --git a/tests/auto/other/languagechange/tst_languagechange.cpp b/tests/auto/other/languagechange/tst_languagechange.cpp
index 663f2ef798..38f58fdcda 100644
--- a/tests/auto/other/languagechange/tst_languagechange.cpp
+++ b/tests/auto/other/languagechange/tst_languagechange.cpp
@@ -49,7 +49,7 @@
 #include <QtCore/QTranslator>
 #include <QtCore/QTemporaryDir>
 #include <private/qthread_p.h>
-#include <QtGui/QPlatformTheme>
+#include <qpa/qplatformtheme.h>
 #include <QtWidgets/QInputDialog>
 #include <QtWidgets/QColorDialog>
 #include <QtWidgets/QDialogButtonBox>
diff --git a/tests/auto/shared/platforminputcontext.h b/tests/auto/shared/platforminputcontext.h
index 2049ec7d61..b7f7e2b826 100644
--- a/tests/auto/shared/platforminputcontext.h
+++ b/tests/auto/shared/platforminputcontext.h
@@ -39,7 +39,7 @@
 **
 ****************************************************************************/
 
-#include <qplatforminputcontext_qpa.h>
+#include <qpa/qplatforminputcontext.h>
 
 class PlatformInputContext : public QPlatformInputContext
 {
diff --git a/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp b/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp
index 1d391a1c09..6c91bb7a35 100644
--- a/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp
+++ b/tests/auto/widgets/dialogs/qmessagebox/tst_qmessagebox.cpp
@@ -48,7 +48,7 @@
 #include <QApplication>
 #include <QPushButton>
 #include <QDialogButtonBox>
-#include <QPlatformTheme>
+#include <qpa/qplatformtheme.h>
 #include <private/qguiapplication_p.h>
 #if defined(Q_OS_MAC) && !defined(QT_NO_STYLE_MAC)
 #include <QMacStyle>
diff --git a/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp b/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp
index be649db9d8..a6330aac17 100644
--- a/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp
+++ b/tests/auto/widgets/itemviews/qlistview/tst_qlistview.cpp
@@ -57,7 +57,7 @@
 #if defined(Q_OS_WIN) || defined(Q_OS_WINCE)
 #  include <windows.h>
 #  include <QtGui/QGuiApplication>
-#  include <QtGui/QPlatformNativeInterface>
+#include <qpa/qplatformnativeinterface.h>
 #endif // Q_OS_WIN
 
 #if defined(Q_OS_WIN) || defined(Q_OS_WINCE)
diff --git a/tests/auto/widgets/kernel/qaction/tst_qaction.cpp b/tests/auto/widgets/kernel/qaction/tst_qaction.cpp
index 51123af953..71f655b197 100644
--- a/tests/auto/widgets/kernel/qaction/tst_qaction.cpp
+++ b/tests/auto/widgets/kernel/qaction/tst_qaction.cpp
@@ -46,7 +46,7 @@
 #include <qevent.h>
 #include <qaction.h>
 #include <qmenu.h>
-#include <qplatformtheme_qpa.h>
+#include <qpa/qplatformtheme.h>
 #include <private/qguiapplication_p.h>
 
 class tst_QAction : public QObject
diff --git a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
index 6e88c6e74e..710b81779a 100644
--- a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
+++ b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
@@ -83,8 +83,8 @@
 #ifdef Q_OS_WIN
 #  include <QtCore/qt_windows.h>
 #  include <QtGui/private/qguiapplication_p.h>
-#  include <QtGui/QPlatformNativeInterface>
-#  include <QtGui/QPlatformIntegration>
+#include <qpa/qplatformnativeinterface.h>
+#include <qpa/qplatformintegration.h>
 
 static HWND winHandleOf(const QWidget *w)
 {
diff --git a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
index 90b5a88805..18a8666f26 100644
--- a/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
+++ b/tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
@@ -44,7 +44,7 @@
 #include "qcombobox.h"
 #include <private/qcombobox_p.h>
 #include <private/qguiapplication_p.h>
-#include <qplatformtheme_qpa.h>
+#include <qpa/qplatformtheme.h>
 
 #include <qfontcombobox.h>
 #include <qdesktopwidget.h>
diff --git a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
index 22e05a8871..91827eca6d 100644
--- a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
+++ b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
@@ -48,7 +48,7 @@
 #include "qvalidator.h"
 #include "qcompleter.h"
 #include "qstandarditemmodel.h"
-#include "qplatformtheme_qpa.h"
+#include <qpa/qplatformtheme.h>
 #include "qstylehints.h"
 #include <private/qguiapplication_p.h>