Reworked painting of rotation angle for UBGraphicsDelegateFrame. Now angle showed as mouse cursor.

src/domain/UBAngleWidget.cpp

-#include "UBAngleWidget.h"
-#include <QPainter>
-
-#include "core/memcheck.h"
-
-UBAngleWidget::UBAngleWidget(QWidget *parent)
-    : QWidget(parent)
-{
-    this->setFixedSize(45,30);
-    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
-    this->setAttribute(Qt::WA_TranslucentBackground);
-
-    QImage mask_img(width(), height(), QImage::Format_Mono);
-    mask_img.fill(0xff);
-    QPainter mask_ptr(&mask_img);
-    mask_ptr.setBrush( QBrush( QColor(0, 0, 0) ) );
-    mask_ptr.drawRoundedRect(0,0,this->geometry().width() - 6,this->geometry().height() - 6,1,1);
-    bmpMask = QBitmap::fromImage(mask_img);
-    this->setMask(bmpMask);
-}
-
-UBAngleWidget::~UBAngleWidget()
-{
-
-}
-
-void UBAngleWidget::paintEvent(QPaintEvent *event)
-{
-    Q_UNUSED(event);
-
-    this->move(this->cursor().pos().x(), this->cursor().pos().y() - 30);
-
-    QPainter painter(this);
-    painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
-    QBrush brush(Qt::white);
-    painter.setBrush(brush);
-    painter.drawRoundedRect(1,1,this->geometry().width() - 10,this->geometry().height() - 10,1,1);
-
-    painter.setPen(QColor(85,50,127));
-    painter.setFont(QFont("Arial", 10));
-    painter.drawText(1,1,this->geometry().width() - 10,this->geometry().height() - 10, Qt::AlignCenter, text);
-}
-
-void UBAngleWidget::setText(QString newText)
-{
-    text = newText;
-    text.append(QChar(176));
-}
\ No newline at end of file

src/domain/UBAngleWidget.h

-#ifndef UBANGLEWIDGET_H
-#define UBANGLEWIDGET_H
-
-#include <QWidget>
-#include <QBitmap>
-
-class UBAngleWidget : public QWidget
-{
-    Q_OBJECT
-
-public:
-    UBAngleWidget(QWidget *parent = 0);
-    ~UBAngleWidget();
-
-    void setText(QString);
-
-protected:
-    void paintEvent(QPaintEvent *event);
-
-private:
-    QString text;
-    QBitmap bmpMask;
-};
-
-#endif // UBANGLEWIDGET_H

src/domain/UBGraphicsDelegateFrame.cpp

@@ -21,6 +21,9 @@
 #include "core/UBApplication.h"
 #include "core/UBSettings.h"
 
+#include "board/UBBoardController.h"
+#include "board/UBBoardView.h"
+
 #include "domain/UBGraphicsItemDelegate.h"
 #include "domain/UBGraphicsScene.h"
 #include "domain/UBGraphicsProxyWidget.h"
@@ -90,14 +93,11 @@ UBGraphicsDelegateFrame::UBGraphicsDelegateFrame(UBGraphicsItemDelegate* pDelega
     positionHandles();
 
     this->setAcceptHoverEvents(true);
-
-    angleWidget = new UBAngleWidget();
 }
 
 
 UBGraphicsDelegateFrame::~UBGraphicsDelegateFrame()
 {
-delete angleWidget;
     // NOOP
 }
 
@@ -226,10 +226,46 @@ void UBGraphicsDelegateFrame::mousePressEvent(QGraphicsSceneMouseEvent *event)
     mInitialTransform = buildTransform();
 
     mCurrentTool = toolFromPos(event->pos());
-
+    setCursorFromAngle(QString(""));
     event->accept();
 }
 
+void UBGraphicsDelegateFrame::setCursorFromAngle(QString angle)
+{
+    if (mCurrentTool == Rotate)
+    {
+        QWidget *controlViewport = UBApplication::boardController->controlView()->viewport();
+
+        QSize cursorSize(45,30);
+
+     
+        QImage mask_img(cursorSize, QImage::Format_Mono);
+        mask_img.fill(0xff);
+        QPainter mask_ptr(&mask_img);
+        mask_ptr.setBrush( QBrush( QColor(0, 0, 0) ) );
+        mask_ptr.drawRoundedRect(0,0, cursorSize.width()-1, cursorSize.height()-1, 6, 6);
+        QBitmap bmpMask = QBitmap::fromImage(mask_img);
+
+
+        QPixmap pixCursor(cursorSize); 
+        pixCursor.fill(QColor(Qt::white));
+
+        QPainter painter(&pixCursor);
+
+        painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+        painter.setBrush(QBrush(Qt::white));
+        painter.setPen(QPen(QColor(Qt::black)));
+        painter.drawRoundedRect(1,1,cursorSize.width()-2,cursorSize.height()-2,6,6);
+        painter.setFont(QFont("Arial", 10));
+        painter.drawText(1,1,cursorSize.width(),cursorSize.height(), Qt::AlignCenter, angle.append(QChar(176)));
+        painter.end();
+
+        pixCursor.setMask(bmpMask);
+        controlViewport->setCursor(pixCursor);
+    }
+}
+
+
 bool UBGraphicsDelegateFrame::canResizeBottomRight(qreal width, qreal height, qreal scaleFactor)
 {
     bool res = false;
@@ -427,12 +463,7 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
             }
         }
 
-        if (!angleWidget->isVisible())
-            angleWidget->show();
-
-        angleWidget->setText(QString::number((int)mAngle % 360));
-        angleWidget->update();
-
+        setCursorFromAngle(QString::number((int)mAngle % 360));
     }
     else if (moving())
     {
@@ -525,9 +556,6 @@ QTransform UBGraphicsDelegateFrame::buildTransform()
 
 void UBGraphicsDelegateFrame::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
-    if (angleWidget->isVisible())
-        angleWidget->hide();
-
     updateResizeCursors();
 
     mDelegate->commitUndoStep();

src/domain/UBGraphicsDelegateFrame.h

@@ -18,7 +18,6 @@
 
 #include <QtGui>
 #include "core/UB.h"
-#include "domain/UBAngleWidget.h"
 
 class QGraphicsSceneMouseEvent;
 class UBGraphicsItemDelegate;
@@ -65,6 +64,7 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
         inline bool resizingTop () const { return mCurrentTool == ResizeTop; }
         inline bool rotating () const { return mCurrentTool == Rotate; }
         inline bool moving () const { return mCurrentTool == Move; }
+        void setCursorFromAngle(QString angle);
         bool canResizeBottomRight(qreal width, qreal height, qreal scaleFactor);
 
         QTransform buildTransform ();
@@ -120,8 +120,5 @@ class UBGraphicsDelegateFrame: public QGraphicsRectItem, public QObject
         bool mResizing;
         bool mMirroredXAtStart;
         bool mMirroredYAtStart;
-
-        UBAngleWidget *angleWidget;
-
 };
 #endif /* UBGRAPHICSDELEGATEFRAME_H_ */

src/domain/domain.pri

@@ -18,7 +18,6 @@ HEADERS      += src/domain/UBGraphicsScene.h \
                 src/domain/UBGraphicsStroke.h \
                 src/domain/UBGraphicsMediaItem.h \
                 src/domain/UBAbstractUndoCommand.h\
-                src/domain/UBAngleWidget.h \
                 src/domain/UBGraphicsGroupContainerItem.h \
                 src/domain/UBGraphicsGroupContainerItemDelegate.h \
                 src/domain/UBGraphicsStrokesGroup.h
@@ -50,7 +49,6 @@ SOURCES      += src/domain/UBGraphicsScene.cpp \
                 src/domain/UBGraphicsStroke.cpp \
                 src/domain/UBGraphicsMediaItem.cpp \
                 src/domain/UBAbstractUndoCommand.cpp \
-                src/domain/UBAngleWidget.cpp \
                 src/domain/ubgraphicsgroupcontaineritem.cpp \
                 src/domain/ubgraphicsgroupcontaineritemdelegate.cpp \
                 src/domain/UBGraphicsStrokesGroup.cpp