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-rw-r--r--GUI_SS2015.pro10
-rw-r--r--ellipse.cpp41
-rw-r--r--ellipse.h18
-rw-r--r--interactioncanvas.cpp94
-rw-r--r--interactioncanvas.h16
-rw-r--r--line.cpp6
-rw-r--r--line.h7
-rw-r--r--mainwindow.cpp20
-rw-r--r--mainwindow.h4
-rw-r--r--mainwindow.ui42
-rw-r--r--polygon.cpp47
-rw-r--r--polygon.h22
-rw-r--r--rectangle.cpp42
-rw-r--r--rectangle.h17
14 files changed, 355 insertions, 31 deletions
diff --git a/GUI_SS2015.pro b/GUI_SS2015.pro
index 6db3c44..49d6038 100644
--- a/GUI_SS2015.pro
+++ b/GUI_SS2015.pro
@@ -17,13 +17,19 @@ SOURCES += main.cpp\
dlgpreferences.cpp \
interactioncanvas.cpp \
languagedialog.cpp \
- line.cpp
+ line.cpp \
+ rectangle.cpp \
+ ellipse.cpp \
+ polygon.cpp
HEADERS += mainwindow.h \
dlgpreferences.h \
interactioncanvas.h \
languagedialog.h \
- line.h
+ line.h \
+ rectangle.h \
+ ellipse.h \
+ polygon.h
FORMS += mainwindow.ui \
dlgpreferences.ui \
diff --git a/ellipse.cpp b/ellipse.cpp
new file mode 100644
index 0000000..0377b66
--- /dev/null
+++ b/ellipse.cpp
@@ -0,0 +1,41 @@
+#include "ellipse.h"
+
+Ellipse::Ellipse()
+{
+
+}
+
+bool Ellipse::isHit(const QPoint &clickPoint)
+{
+ QVector3D a(p2() - p1());
+ QVector3D r1(p1());
+
+ QVector3D rq(clickPoint);
+
+ float dist = rq.distanceToLine(r1, a.normalized());
+
+ return dist < 5;
+}
+
+void Ellipse::draw(QPainter *painter)
+{
+ if (m_selected)
+ {
+ QPen penTemp(Qt::DotLine);
+ penTemp.setColor(Qt::red);
+ painter->setPen(penTemp);
+
+ painter->drawEllipse(QPoint(p1().rx() - (p2().rx() - p1().rx()), p1().ry()), 5, 5);
+ painter->drawEllipse(QPoint(p1().rx() + (p2().rx() - p1().rx()), p1().ry()), 5, 5);
+ painter->drawEllipse(QPoint(p1().rx(), p1().ry() + (p2().ry() - p1().ry())), 5, 5);
+ painter->drawEllipse(QPoint(p1().rx(), p1().ry() - (p2().ry() - p1().ry())), 5, 5);
+ }
+ else
+ {
+ QPen penNormal(Qt::SolidLine);
+ penNormal.setColor(Qt::black);
+ painter->setPen(penNormal);
+ }
+
+ painter->drawEllipse(p1(), p2().rx() - p1().rx(), p2().ry() - p1().ry());
+}
diff --git a/ellipse.h b/ellipse.h
new file mode 100644
index 0000000..5f3fced
--- /dev/null
+++ b/ellipse.h
@@ -0,0 +1,18 @@
+#ifndef ELLIPSE_H
+#define ELLIPSE_H
+
+#include "rectangle.h"
+
+
+class Ellipse : public Rectangle
+{
+public:
+ Ellipse();
+
+ // Line interface
+public:
+ virtual bool isHit(const QPoint &clickPoint);
+ virtual void draw(QPainter *painter);
+};
+
+#endif // ELLIPSE_H
diff --git a/interactioncanvas.cpp b/interactioncanvas.cpp
index 7bd8de8..1c4e54f 100644
--- a/interactioncanvas.cpp
+++ b/interactioncanvas.cpp
@@ -1,6 +1,7 @@
#include "interactioncanvas.h"
-InteractionCanvas::InteractionCanvas()
+InteractionCanvas::InteractionCanvas(QWidget *parent)
+ :QLabel(parent)
{
setFocusPolicy(Qt::StrongFocus);
setMouseTracking(true);
@@ -10,7 +11,65 @@ InteractionCanvas::InteractionCanvas()
InteractionCanvas::~InteractionCanvas()
{
+ for(int i = 0; i < m_Lines.size(); i++)
+ {
+ delete m_Lines[i];
+ m_Lines.removeAt(i);
+ }
+ if(m_NewLine)
+ {
+ delete m_NewLine;
+ m_NewLine = NULL;
+ }
+ if(m_SelectedLine)
+ {
+ delete m_SelectedLine;
+ m_SelectedLine = NULL;
+ }
+}
+void InteractionCanvas::addLine()
+{
+ Line *tmpLine = new Line();
+ tmpLine->setP1(QPoint(10, 50));
+ tmpLine->setP2(QPoint(30, 50));
+ addNewLine(tmpLine);
+ m_NewLine = NULL;
+ m_Lines.append(tmpLine);
+ changeSelectedLine(tmpLine);
+}
+
+void InteractionCanvas::addRectangle()
+{
+ Line *tmpLine = new Rectangle();
+ tmpLine->setP1(QPoint(10, 50));
+ tmpLine->setP2(QPoint(30, 70));
+ addNewLine(tmpLine);
+ m_NewLine = NULL;
+ m_Lines.append(tmpLine);
+ changeSelectedLine(tmpLine);
+}
+
+void InteractionCanvas::addEllipse()
+{
+ Line *tmpLine = new Ellipse();
+ tmpLine->setP1(QPoint(10, 50));
+ tmpLine->setP2(QPoint(30, 70));
+ addNewLine(tmpLine);
+ m_NewLine = NULL;
+ m_Lines.append(tmpLine);
+ changeSelectedLine(tmpLine);
+}
+
+void InteractionCanvas::addPolygon()
+{
+ Line *tmpLine = new Polygon();
+ tmpLine->setP1(QPoint(10, 50));
+ tmpLine->setP2(QPoint(30, 70));
+ addNewLine(tmpLine);
+ m_NewLine = NULL;
+ m_Lines.append(tmpLine);
+ changeSelectedLine(tmpLine);
}
void InteractionCanvas::mouseMoveEvent(QMouseEvent *mouseEvent)
@@ -42,15 +101,9 @@ void InteractionCanvas::mousePressEvent(QMouseEvent *mouseEvent)
{
if(!m_SelectedLine)
{
- if (m_NewLine)
- {
- delete m_NewLine;
- m_NewLine = NULL;
- }
-
- m_NewLine = new Line();
m_MousePressPoint = mouseEvent->pos();
m_LastMousePosition = m_MousePressPoint;
+ addNewLine(new Line);
m_NewLine->setP1(m_MousePressPoint);
m_NewLine->setP2(m_LastMousePosition);
}
@@ -61,9 +114,9 @@ void InteractionCanvas::mousePressEvent(QMouseEvent *mouseEvent)
changeSelectedLine(NULL);
for(int i = 0; i < m_Lines.size() && !m_SelectedLine; i++)
{
- if(m_Lines[i].isHit(mouseEvent->pos()))
+ if(m_Lines[i]->isHit(mouseEvent->pos()))
{
- changeSelectedLine(&(m_Lines[i]));
+ changeSelectedLine(m_Lines[i]);
}
}
}
@@ -81,7 +134,7 @@ void InteractionCanvas::mouseReleaseEvent(QMouseEvent *mouseEvent)
m_MouseReleasePoint = mouseEvent->pos();
m_NewLine->setP2(m_MouseReleasePoint);
m_NewLine->setSelected(false);
- m_Lines.append(*m_NewLine);
+ m_Lines.append(m_NewLine);
m_NewLine = NULL;
}
}
@@ -96,6 +149,7 @@ void InteractionCanvas::keyPressEvent(QKeyEvent *keyEvent)
if(!m_Lines.isEmpty() && keyEvent->key() == Qt::Key_Z && keyEvent->modifiers() == Qt::ControlModifier)
{
+ delete m_Lines.last();
m_Lines.removeLast();
update();
}
@@ -126,6 +180,20 @@ void InteractionCanvas::changeSelectedLine(Line *newSelectedLine)
}
}
+void InteractionCanvas::addNewLine(Line *newLine)
+{
+ if (m_NewLine)
+ {
+ delete m_NewLine;
+ m_NewLine = NULL;
+ }
+
+ if(newLine)
+ {
+ m_NewLine = new Line();
+ }
+}
+
void InteractionCanvas::paintEvent(QPaintEvent *paintEvent)
{
// Setup the Painters
@@ -136,8 +204,8 @@ void InteractionCanvas::paintEvent(QPaintEvent *paintEvent)
m_NewLine->draw(&painter);
}
- foreach (Line line, m_Lines)
+ foreach (Line *line, m_Lines)
{
- line.draw(&painter);
+ line->draw(&painter);
}
}
diff --git a/interactioncanvas.h b/interactioncanvas.h
index e380d47..397865d 100644
--- a/interactioncanvas.h
+++ b/interactioncanvas.h
@@ -9,14 +9,21 @@
#include <QPainter>
#include "line.h"
+#include "rectangle.h"
+#include "ellipse.h"
+#include "polygon.h"
class InteractionCanvas : public QLabel
{
public:
- InteractionCanvas();
+ InteractionCanvas(QWidget *parent);
~InteractionCanvas();
- // QWidget interface
+ void addLine();
+ void addRectangle();
+ void addEllipse();
+ void addPolygon();
+
protected:
void mouseMoveEvent(QMouseEvent *mouseEvent);
void mousePressEvent(QMouseEvent *mouseEvent);
@@ -26,14 +33,15 @@ protected:
private:
void changeSelectedLine(Line *newSelectedLine);
- QList<Line> m_Lines;
+ void addNewLine(Line *newLine);
+
+ QList<Line *> m_Lines;
Line *m_NewLine;
Line *m_SelectedLine;
QPoint m_MousePressPoint;
QPoint m_MouseReleasePoint;
QPoint m_LastMousePosition;
- // QWidget interface
protected:
void paintEvent(QPaintEvent *paintEvent);
};
diff --git a/line.cpp b/line.cpp
index aa29d43..d569c0c 100644
--- a/line.cpp
+++ b/line.cpp
@@ -6,12 +6,6 @@ Line::Line()
m_selected = true;
}
-Line::Line(const Line &other)
- :QLine(other)
-{
- m_selected = other.m_selected;
-}
-
bool Line::isHit(const QPoint &clickPoint)
{
QVector3D a(p2() - p1());
diff --git a/line.h b/line.h
index 745f653..41b02ad 100644
--- a/line.h
+++ b/line.h
@@ -9,13 +9,12 @@ class Line : public QLine
{
public:
Line();
- Line(const Line &other);
- bool isHit(const QPoint & clickPoint);
+ virtual bool isHit(const QPoint & clickPoint);
void setSelected(bool selected);
- void draw(QPainter * painter);
+ virtual void draw(QPainter * painter);
-private:
+protected:
bool m_selected;
};
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 8bc0a22..656b8c9 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -6,7 +6,6 @@ MainWindow::MainWindow(QWidget *parent) :
ui(new Ui::MainWindow)
{
ui->setupUi(this);
- setCentralWidget(new InteractionCanvas());
}
MainWindow::~MainWindow()
@@ -76,6 +75,25 @@ void MainWindow::on_actionLanguage_triggered()
}
}
+void MainWindow::on_actionDraw_Line_triggered()
+{
+ ui->interactionCanvasPlaceholder->addLine();
+}
+
+void MainWindow::on_actionDraw_Rectangle_triggered()
+{
+ ui->interactionCanvasPlaceholder->addRectangle();
+}
+
+void MainWindow::on_actionDraw_Ellipse_triggered()
+{
+ ui->interactionCanvasPlaceholder->addEllipse();
+}
+
+void MainWindow::on_actionDraw_Polygon_triggered()
+{
+ ui->interactionCanvasPlaceholder->addPolygon();
+}
void MainWindow::mouseMoveEvent(QMouseEvent *mouseEvent)
{
diff --git a/mainwindow.h b/mainwindow.h
index 10976c4..43dbb29 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -31,6 +31,10 @@ protected:
private slots:
void on_actionPreferences_triggered();
void on_actionLanguage_triggered();
+ void on_actionDraw_Line_triggered();
+ void on_actionDraw_Rectangle_triggered();
+ void on_actionDraw_Ellipse_triggered();
+ void on_actionDraw_Polygon_triggered();
void changeEvent(QEvent *event);
private:
diff --git a/mainwindow.ui b/mainwindow.ui
index 209a4b9..9e55b3a 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -14,7 +14,15 @@
<string>GUIProjekt SS2015_SS</string>
</property>
<widget class="QWidget" name="centralWidget">
- <layout class="QHBoxLayout" name="horizontalLayout"/>
+ <layout class="QHBoxLayout" name="horizontalLayout">
+ <item>
+ <widget class="InteractionCanvas" name="interactionCanvasPlaceholder">
+ <property name="text">
+ <string/>
+ </property>
+ </widget>
+ </item>
+ </layout>
</widget>
<widget class="QStatusBar" name="statusBar"/>
<widget class="QMenuBar" name="menuBar">
@@ -38,6 +46,11 @@
</property>
<addaction name="actionPreferences"/>
<addaction name="actionLanguage"/>
+ <addaction name="separator"/>
+ <addaction name="actionDraw_Line"/>
+ <addaction name="actionDraw_Rectangle"/>
+ <addaction name="actionDraw_Ellipse"/>
+ <addaction name="actionDraw_Polygon"/>
</widget>
<widget class="QMenu" name="menuHelp">
<property name="title">
@@ -72,8 +85,35 @@
<string>&amp;Language</string>
</property>
</action>
+ <action name="actionDraw_Line">
+ <property name="text">
+ <string>Draw L&amp;ine</string>
+ </property>
+ </action>
+ <action name="actionDraw_Rectangle">
+ <property name="text">
+ <string>Draw &amp;Rectangle</string>
+ </property>
+ </action>
+ <action name="actionDraw_Ellipse">
+ <property name="text">
+ <string>Draw &amp;Ellipse</string>
+ </property>
+ </action>
+ <action name="actionDraw_Polygon">
+ <property name="text">
+ <string>Draw P&amp;olygon</string>
+ </property>
+ </action>
</widget>
<layoutdefault spacing="6" margin="11"/>
+ <customwidgets>
+ <customwidget>
+ <class>InteractionCanvas</class>
+ <extends>QLabel</extends>
+ <header>interactioncanvas.h</header>
+ </customwidget>
+ </customwidgets>
<resources/>
<connections>
<connection>
diff --git a/polygon.cpp b/polygon.cpp
new file mode 100644
index 0000000..a292653
--- /dev/null
+++ b/polygon.cpp
@@ -0,0 +1,47 @@
+#include "polygon.h"
+
+Polygon::Polygon()
+ : Line()
+{
+ m_polygon.append(QPoint(0,0));
+ m_polygon.append(QPoint(0,0));
+ m_polygon.append(QPoint(0,0));
+}
+
+bool Polygon::isHit(const QPoint &clickPoint)
+{
+ QVector3D a(p2() - p1());
+ QVector3D r1(p1());
+
+ QVector3D rq(clickPoint);
+
+ float dist = rq.distanceToLine(r1, a.normalized());
+
+ return dist < 5;
+}
+
+void Polygon::draw(QPainter *painter)
+{
+ if (m_selected)
+ {
+ QPen penTemp(Qt::DotLine);
+ penTemp.setColor(Qt::red);
+ painter->setPen(penTemp);
+
+ painter->drawEllipse(p1(), 5, 5);
+ painter->drawEllipse(p2(), 5, 5);
+ painter->drawEllipse(QPoint(p1().rx() + 20, p1().ry() - 20), 5, 5);
+ }
+ else
+ {
+ QPen penNormal(Qt::SolidLine);
+ penNormal.setColor(Qt::black);
+ painter->setPen(penNormal);
+ }
+
+ m_polygon.replace(0, p1());
+ m_polygon.replace(1, p2());
+ m_polygon.replace(2, QPoint(p1().rx() + 20, p1().ry() - 20));
+
+ painter->drawPolygon(m_polygon);
+}
diff --git a/polygon.h b/polygon.h
new file mode 100644
index 0000000..54c8c4e
--- /dev/null
+++ b/polygon.h
@@ -0,0 +1,22 @@
+#ifndef POLYGON_H
+#define POLYGON_H
+
+#include <QPolygon>
+
+#include "line.h"
+
+class Polygon : public Line
+{
+public:
+ Polygon();
+
+ // Line interface
+public:
+ virtual bool isHit(const QPoint &clickPoint);
+ virtual void draw(QPainter *painter);
+
+private:
+ QPolygon m_polygon;
+};
+
+#endif // POLYGON_H
diff --git a/rectangle.cpp b/rectangle.cpp
new file mode 100644
index 0000000..f07651c
--- /dev/null
+++ b/rectangle.cpp
@@ -0,0 +1,42 @@
+#include "rectangle.h"
+
+Rectangle::Rectangle()
+ : Line()
+{
+
+}
+
+bool Rectangle::isHit(const QPoint &clickPoint)
+{
+ QVector3D a(p2() - p1());
+ QVector3D r1(p1());
+
+ QVector3D rq(clickPoint);
+
+ float dist = rq.distanceToLine(r1, a.normalized());
+
+ return dist < 5;
+}
+
+void Rectangle::draw(QPainter *painter)
+{
+ if (m_selected)
+ {
+ QPen penTemp(Qt::DotLine);
+ penTemp.setColor(Qt::red);
+ painter->setPen(penTemp);
+
+ painter->drawEllipse(p1(), 5, 5);
+ painter->drawEllipse(QPoint(p1().rx() + (p2().rx() - p1().rx()), p1().ry()), 5, 5);
+ painter->drawEllipse(QPoint(p1().rx(), p1().ry() + (p2().ry() - p1().ry())), 5, 5);
+ painter->drawEllipse(p2(), 5, 5);
+ }
+ else
+ {
+ QPen penNormal(Qt::SolidLine);
+ penNormal.setColor(Qt::black);
+ painter->setPen(penNormal);
+ }
+
+ painter->drawRect(QRect(p1(), p2()));
+}
diff --git a/rectangle.h b/rectangle.h
new file mode 100644
index 0000000..5e9445d
--- /dev/null
+++ b/rectangle.h
@@ -0,0 +1,17 @@
+#ifndef RECTANGLE_H
+#define RECTANGLE_H
+
+#include "line.h"
+
+class Rectangle : public Line
+{
+public:
+ Rectangle();
+
+ // Line interface
+public:
+ virtual bool isHit(const QPoint &clickPoint);
+ virtual void draw(QPainter *painter);
+};
+
+#endif // RECTANGLE_H
generated by cgit v1.2.3-70-g09d2 (git 2.52.0) at 2025-12-06 06:23:35 +0000