From b60bb2ed272972847cb533be2e86bd2d7e565918 Mon Sep 17 00:00:00 2001
From: Stefan Suhren <suhren.stefan@fh-swf.de>
Date: Mon, 13 Apr 2015 08:37:00 +0200
Subject: Adds tasks 2 and 3

---
 GUI_SS2015.pro        |  6 ++++--
 dlgpreferences.cpp    |  6 +++++-
 interactioncanvas.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 interactioncanvas.h   | 24 ++++++++++++++++++++++++
 mainwindow.cpp        |  7 +++++++
 mainwindow.h          |  6 ++++++
 mainwindow.ui         | 36 +-----------------------------------
 7 files changed, 87 insertions(+), 38 deletions(-)
 create mode 100644 interactioncanvas.cpp
 create mode 100644 interactioncanvas.h

diff --git a/GUI_SS2015.pro b/GUI_SS2015.pro
index 5bb0a3e..f6527fc 100644
--- a/GUI_SS2015.pro
+++ b/GUI_SS2015.pro
@@ -14,10 +14,12 @@ TEMPLATE = app
 
 SOURCES += main.cpp\
         mainwindow.cpp \
-    dlgpreferences.cpp
+    dlgpreferences.cpp \
+    interactioncanvas.cpp
 
 HEADERS  += mainwindow.h \
-    dlgpreferences.h
+    dlgpreferences.h \
+    interactioncanvas.h
 
 FORMS    += mainwindow.ui \
     dlgpreferences.ui
diff --git a/dlgpreferences.cpp b/dlgpreferences.cpp
index 9174401..01e094c 100644
--- a/dlgpreferences.cpp
+++ b/dlgpreferences.cpp
@@ -7,7 +7,7 @@ DlgPreferences::DlgPreferences(QWidget *parent) :
 {
     ui->setupUi(this);
 
-    QIntValidator *val = new QIntValidator(100,800,this);
+    QIntValidator *val = new QIntValidator(100, 800, this);
     ui->lineEditHeight->setValidator(val);
     ui->lineEditWidth->setValidator(val);
 }
@@ -25,7 +25,9 @@ DlgPreferences::~DlgPreferences()
 void DlgPreferences::setHeight(int arg)
 {
     if (m_Height == arg)
+    {
         return;
+    }
 
     m_Height = arg;
     ui->lineEditHeight->setText(QString::number(m_Height));
@@ -40,7 +42,9 @@ void DlgPreferences::setHeight(int arg)
 void DlgPreferences::setWidth(int arg)
 {
     if (m_Width == arg)
+    {
         return;
+    }
 
     m_Width = arg;
     ui->lineEditWidth->setText(QString::number(m_Width));
diff --git a/interactioncanvas.cpp b/interactioncanvas.cpp
new file mode 100644
index 0000000..c289c40
--- /dev/null
+++ b/interactioncanvas.cpp
@@ -0,0 +1,40 @@
+#include "interactioncanvas.h"
+
+InteractionCanvas::InteractionCanvas()
+{
+    setFocusPolicy(Qt::StrongFocus);
+    setMouseTracking(true);
+}
+
+InteractionCanvas::~InteractionCanvas()
+{
+
+}
+
+void InteractionCanvas::mouseMoveEvent(QMouseEvent *mouseEvent)
+{
+    qDebug() << "InteractionCanvas:" << mouseEvent->pos();
+}
+
+
+void InteractionCanvas::mousePressEvent(QMouseEvent *mouseEvent)
+{
+    qDebug() << "InteractionCanvas: Mouse: pressed:" << mouseEvent->button();
+}
+
+void InteractionCanvas::mouseReleaseEvent(QMouseEvent *mouseEvent)
+{
+    qDebug() << "InteractionCanvas: Mouse: released:"<< mouseEvent->button();
+}
+
+void InteractionCanvas::keyPressEvent(QKeyEvent *keyEvent)
+{
+    qDebug() << "InteractionCanvas: Key: pressed:" << keyEvent->key() << "(" <<
+             keyEvent->text() << ")" << (keyEvent->isAutoRepeat() ? "druck" : "");
+}
+
+void InteractionCanvas::keyReleaseEvent(QKeyEvent *keyEvent)
+{
+    qDebug() << "InteractionCanvas: Key: released:" << keyEvent->key() << "(" <<
+             keyEvent->text() << ")" << (keyEvent->isAutoRepeat() ? "druck" : "");
+}
diff --git a/interactioncanvas.h b/interactioncanvas.h
new file mode 100644
index 0000000..efdf9a2
--- /dev/null
+++ b/interactioncanvas.h
@@ -0,0 +1,24 @@
+#ifndef INTERACTIONCANVAS_H
+#define INTERACTIONCANVAS_H
+
+#include <QLabel>
+#include <QDebug>
+#include <QMouseEvent>
+
+class InteractionCanvas : public QLabel
+{
+public:
+    InteractionCanvas();
+    ~InteractionCanvas();
+
+    // QWidget interface
+protected:
+    void mouseMoveEvent(QMouseEvent *mouseEvent);
+    void mousePressEvent(QMouseEvent *mouseEvent);
+    void mouseReleaseEvent(QMouseEvent *mouseEvent);
+    void keyPressEvent(QKeyEvent *keyEvent);
+    void keyReleaseEvent(QKeyEvent *keyEvent);
+
+};
+
+#endif // INTERACTIONCANVAS_H
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 155bd28..5a548db 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -6,6 +6,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
+    setCentralWidget(new InteractionCanvas());
 }
 
 MainWindow::~MainWindow()
@@ -41,3 +42,9 @@ void MainWindow::on_actionPreferences_triggered()
 
     delete tmp;
 }
+
+
+void MainWindow::mouseMoveEvent(QMouseEvent *mouseEvent)
+{
+    qDebug() << "MainWindow:" << mouseEvent->pos();
+}
diff --git a/mainwindow.h b/mainwindow.h
index 6f225be..410878f 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -3,7 +3,9 @@
 
 #include <QMainWindow>
 #include <QDebug>
+#include <QMouseEvent>
 #include "dlgpreferences.h"
+#include "interactioncanvas.h"
 
 namespace Ui {
 class MainWindow;
@@ -24,6 +26,10 @@ private slots:
     void on_actionPreferences_triggered();
 private:
     Ui::MainWindow *ui;
+
+    // QWidget interface
+protected:
+    void mouseMoveEvent(QMouseEvent *mouseEvent);
 };
 
 #endif // MAINWINDOW_H
diff --git a/mainwindow.ui b/mainwindow.ui
index 43bf0f5..8e92663 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -14,41 +14,7 @@
    <string>GUIProjekt SS2015_SS</string>
   </property>
   <widget class="QWidget" name="centralWidget">
-   <layout class="QHBoxLayout" name="horizontalLayout">
-    <item>
-     <spacer name="horizontalSpacer">
-      <property name="orientation">
-       <enum>Qt::Horizontal</enum>
-      </property>
-      <property name="sizeHint" stdset="0">
-       <size>
-        <width>40</width>
-        <height>20</height>
-       </size>
-      </property>
-     </spacer>
-    </item>
-    <item>
-     <widget class="QLabel" name="label">
-      <property name="text">
-       <string>Hello Qt World.</string>
-      </property>
-     </widget>
-    </item>
-    <item>
-     <spacer name="horizontalSpacer_2">
-      <property name="orientation">
-       <enum>Qt::Horizontal</enum>
-      </property>
-      <property name="sizeHint" stdset="0">
-       <size>
-        <width>40</width>
-        <height>20</height>
-       </size>
-      </property>
-     </spacer>
-    </item>
-   </layout>
+   <layout class="QHBoxLayout" name="horizontalLayout"/>
   </widget>
   <widget class="QStatusBar" name="statusBar"/>
   <widget class="QMenuBar" name="menuBar">
-- 
cgit v1.2.3-70-g09d2