Add a proper build system

Also lowers the minimum required Qt version to 5.5.

src/QtGui/Makefile

@@ -0,0 +1,11 @@
+include ../../extra.mk
+
+STATIC_PIC_LIB_NOINST = ${QTGUI_LIB_A}
+STATIC_LIB_NOINST = ${QTGUI_A}
+
+SRCS = QtGUIApplication.mm	\
+       QtPaintDevice.mm
+
+include ../../buildsys.mk
+
+CPPFLAGS += -I. -I../QtCore -I../common

src/QtGui/QtGUIApplication.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2017, Jonathan Schleifer <js@heap.zone>
+ *
+ * https://heap.zone/git/objqt.git
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "QtCoreApplication.h"
+
+#include <QGuiApplication>
+
+@interface QtGUIApplication: QtCoreApplication
+@property (readonly) QGuiApplication *qGuiApplication;
+@property (copy) OFString *applicationDisplayName;
+#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+@property (copy) OFString *desktopFileName;
+#endif
+@property Qt::LayoutDirection layoutDirection;
+@property (readonly, copy) OFString *platformName;
+@property (readonly) QScreen *primaryScreen;
+@property bool quitsOnLastWindowClosed;
+@property QIcon windowIcon;
+
+- initWithQGuiApplication: (QGuiApplication*)qGuiApplication;
+- (double)devicePixelRatio;
+- (bool)isSavingSession;
+- (bool)isSessionRestored;
+- (OFString*)sessionID;
+- (OFString*)sessionKey;
+@end
+
+namespace ObjQt {
+
+static OF_INLINE QtGUIApplication*
+toOF(QGuiApplication *qGuiApplication)
+{
+	return [[[QtGUIApplication alloc]
+	    initWithQGuiApplication: qGuiApplication] autorelease];
+}
+
+static OF_INLINE QGuiApplication*
+toQt(QtGUIApplication *GUIApplication)
+{
+	return [GUIApplication qGuiApplication];
+}
+
+}

src/QtGui/QtGUIApplication.mm

@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2017, Jonathan Schleifer <js@heap.zone>
+ *
+ * https://heap.zone/git/objqt.git
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "QtGUIApplication.h"
+#import "OFString+QString.h"
+
+#include <QIcon>
+
+using ObjQt::toOF;
+using ObjQt::toQt;
+
+@implementation QtGUIApplication
+- initWithQCoreApplication: (QCoreApplication*)qCoreApplication
+{
+	OF_INVALID_INIT_METHOD
+}
+
+- initWithQGuiApplication: (QGuiApplication*)qGuiApplication
+{
+	return [super initWithQCoreApplication: qGuiApplication];
+}
+
+- (QGuiApplication*)qGuiApplication
+{
+	return qobject_cast<QGuiApplication*>(_qObject);
+}
+
+- (OFString*)applicationDisplayName
+{
+	return toOF(toQt(self)->applicationDisplayName());
+}
+
+- (void)setApplicationDisplayName: (OFString*)applicationDisplayName
+{
+	toQt(self)->setApplicationDisplayName(toQt(applicationDisplayName));
+}
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+- (OFString*)desktopFileName
+{
+	return toOF(toQt(self)->desktopFileName());
+}
+
+- (void)setDesktopFileName: (OFString*)desktopFileName
+{
+	toQt(self)->setDesktopFileName(toQt(desktopFileName));
+}
+#endif
+
+- (double)devicePixelRatio
+{
+	return toQt(self)->devicePixelRatio();
+}
+
+- (bool)isSavingSession
+{
+	return toQt(self)->isSavingSession();
+}
+
+- (bool)isSessionRestored
+{
+	return toQt(self)->isSessionRestored();
+}
+
+- (Qt::LayoutDirection)layoutDirection
+{
+	return toQt(self)->layoutDirection();
+}
+
+- (void)setLayoutDirection: (Qt::LayoutDirection)layoutDirection
+{
+	toQt(self)->setLayoutDirection(layoutDirection);
+}
+
+- (OFString*)platformName
+{
+	return toOF(toQt(self)->platformName());
+}
+
+- (QScreen*)primaryScreen
+{
+	return toQt(self)->primaryScreen();
+}
+
+- (bool)quitsOnLastWindowClosed
+{
+	return toQt(self)->quitOnLastWindowClosed();
+}
+
+- (void)setQuitsOnLastWindowClosed: (bool)quitsOnLastWindowClosed
+{
+	toQt(self)->setQuitOnLastWindowClosed(quitsOnLastWindowClosed);
+}
+
+- (OFString*)sessionID
+{
+	return toOF(toQt(self)->sessionId());
+}
+
+- (OFString*)sessionKey
+{
+	return toOF(toQt(self)->sessionKey());
+}
+
+- (QIcon)windowIcon
+{
+	return toQt(self)->windowIcon();
+}
+
+- (void)setWindowIcon: (QIcon)windowIcon
+{
+	toQt(self)->setWindowIcon(windowIcon);
+}
+@end

src/QtGui/QtPaintDevice.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2017, Jonathan Schleifer <js@heap.zone>
+ *
+ * https://heap.zone/git/objqt.git
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <ObjFW/ObjFW.h>
+
+#include <QPaintDevice>
+
+@protocol QtPaintDevice
+- (QPaintDevice*)qPaintDevice;
+- (int)colorCount;
+- (int)depth;
+- (int)devicePixelRatio;
+#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+- (double)devicePixelRatioF;
+#endif
+- (int)height;
+- (int)heightMM;
+- (int)logicalDPIX;
+- (int)logicalDPIY;
+- (QPaintEngine*)paintEngine;
+- (bool)paintingActive;
+- (int)physicalDPIX;
+- (int)physicalDPIY;
+- (int)width;
+- (int)widthMM;
+@end
+
+@interface QtPaintDevice: OFObject <QtPaintDevice>
+@property (readonly) QObject *qObject;
+@end
+
+namespace ObjQt {
+
+static OF_INLINE QPaintDevice*
+toQt(QtPaintDevice *paintDevice)
+{
+	return [paintDevice qPaintDevice];
+}
+
+}

src/QtGui/QtPaintDevice.mm

@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2017, Jonathan Schleifer <js@heap.zone>
+ *
+ * https://heap.zone/git/objqt.git
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "QtPaintDevice.h"
+
+#include <QObject>
+
+using ObjQt::toQt;
+
+@implementation QtPaintDevice
+@dynamic qObject;
+
+- (QPaintDevice*)qPaintDevice
+{
+	return dynamic_cast<QPaintDevice*>([self qObject]);
+}
+
+- (int)colorCount
+{
+	return toQt(self)->colorCount();
+}
+
+- (int)depth
+{
+	return toQt(self)->depth();
+}
+
+- (int)devicePixelRatio
+{
+	return toQt(self)->devicePixelRatio();
+}
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+- (double)devicePixelRatioF
+{
+	return toQt(self)->devicePixelRatioF();
+}
+#endif
+
+- (int)height
+{
+	return toQt(self)->height();
+}
+
+- (int)heightMM
+{
+	return toQt(self)->heightMM();
+}
+
+- (int)logicalDPIX
+{
+	return toQt(self)->logicalDpiX();
+}
+
+- (int)logicalDPIY
+{
+	return toQt(self)->logicalDpiY();
+}
+
+- (QPaintEngine*)paintEngine
+{
+	return toQt(self)->paintEngine();
+}
+
+- (bool)paintingActive
+{
+	return toQt(self)->paintingActive();
+}
+
+- (int)physicalDPIX
+{
+	return toQt(self)->physicalDpiX();
+}
+
+- (int)physicalDPIY
+{
+	return toQt(self)->physicalDpiY();
+}
+
+- (int)width
+{
+	return toQt(self)->width();
+}
+
+- (int)widthMM
+{
+	return toQt(self)->widthMM();
+}
+@end