ui: create a RoundRectItem class

Factor out code from ProfileWidget's ToolTipItem, but make
the radius of the corners dynamic. Move into backend-shared,
though a new ui-shared might be preferred.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

Subsurface-mobile.pro

@@ -126,6 +126,7 @@ SOURCES += subsurface-mobile-main.cpp \
 	core/subsurface-qt/divelistnotifier.cpp \
 	backend-shared/exportfuncs.cpp \
 	backend-shared/plannershared.cpp \
+	backend-shared/roundrectitem.cpp \
 	mobile-widgets/qmlinterface.cpp \
 	mobile-widgets/qmlmanager.cpp \
 	mobile-widgets/themeinterface.cpp \
@@ -260,6 +261,7 @@ HEADERS += \
 	core/subsurface-qt/divelistnotifier.h \
 	backend-shared/exportfuncs.h \
 	backend-shared/plannershared.h \
+	backend-shared/roundrectitem.h \
 	mobile-widgets/qmlinterface.h \
 	mobile-widgets/qmlmanager.h \
 	mobile-widgets/themeinterface.h \

backend-shared/CMakeLists.txt

@@ -5,6 +5,8 @@ set(BACKEND_SRCS
 	exportfuncs.h
 	plannershared.cpp
 	plannershared.h
+	roundrectitem.cpp
+	roundrectitem.h
 )
 
 add_library(subsurface_backend_shared STATIC ${BACKEND_SRCS})

backend-shared/roundrectitem.cpp

@@ -0,0 +1,18 @@
+#include "roundrectitem.h"
+#include <QPainter>
+#include <QStyleOptionGraphicsItem>
+
+RoundRectItem::RoundRectItem(double radius, QGraphicsItem *parent) : QGraphicsRectItem(parent),
+	radius(radius)
+{
+}
+
+void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
+{
+	painter->save();
+	painter->setClipRect(option->rect);
+	painter->setPen(pen());
+	painter->setBrush(brush());
+	painter->drawRoundedRect(rect(), radius, radius, Qt::AbsoluteSize);
+	painter->restore();
+}

backend-shared/roundrectitem.h

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef ROUNDRECTITEM_H
+#define ROUNDRECTITEM_H
+
+#include <QGraphicsRectItem>
+
+class RoundRectItem : public QGraphicsRectItem {
+public:
+	RoundRectItem(double radius, QGraphicsItem *parent);
+private:
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
+	double radius;
+};
+
+#endif

profile-widget/divetooltipitem.cpp

@@ -7,7 +7,6 @@
 #include "core/settings/qPrefDisplay.h"
 #include <QPropertyAnimation>
 #include <QGraphicsView>
-#include <QStyleOptionGraphicsItem>
 #include "core/qthelper.h"
 
 void ToolTipItem::addToolTip(const QString &toolTip, const QIcon &icon, const QPixmap& pixmap)
@@ -133,7 +132,7 @@ void ToolTipItem::expand()
 	status = EXPANDED;
 }
 
-ToolTipItem::ToolTipItem(QGraphicsItem *parent) : QGraphicsRectItem(parent),
+ToolTipItem::ToolTipItem(QGraphicsItem *parent) : RoundRectItem(parent),
 	title(new QGraphicsSimpleTextItem(tr("Information"), this)),
 	status(COLLAPSED),
 	timeAxis(0),
@@ -194,16 +193,6 @@ void ToolTipItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 	}
 }
 
-void ToolTipItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget*)
-{
-	painter->save();
-	painter->setClipRect(option->rect);
-	painter->setPen(pen());
-	painter->setBrush(brush());
-	painter->drawRoundedRect(rect(), 8, 8, Qt::AbsoluteSize);
-	painter->restore();
-}
-
 void ToolTipItem::persistPos()
 {
 	qPrefDisplay::set_tooltip_position(pos());

profile-widget/divetooltipitem.h

@@ -2,12 +2,12 @@
 #ifndef DIVETOOLTIPITEM_H
 #define DIVETOOLTIPITEM_H
 
-#include <QGraphicsRectItem>
 #include <QVector>
 #include <QPair>
 #include <QRectF>
 #include <QIcon>
 #include <QElapsedTimer>
+#include "backend-shared/roundrectitem.h"
 #include "core/display.h"
 
 class DiveCartesianAxis;
@@ -18,7 +18,7 @@ class QGraphicsPixmapItem;
 /* To use a tooltip, simply ->setToolTip on the QGraphicsItem that you want
  * or, if it's a "global" tooltip, set it on the mouseMoveEvent of the ProfileGraphicsView.
  */
-class ToolTipItem : public QObject, public QGraphicsRectItem {
+class ToolTipItem : public QObject, public RoundRectItem {
 	Q_OBJECT
 	void updateTitlePosition();
 	Q_PROPERTY(QRectF rect READ rect WRITE setRect)
@@ -45,7 +45,6 @@ public:
 	void setTimeAxis(DiveCartesianAxis *axis);
 	void setPlotInfo(const plot_info &plot);
 	void clearPlotInfo();
-	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 public
 slots:
 	void setRect(const QRectF &rect);