Added Keyboard Navigation for the Star Widget

Keys up and down to increase / decrease stars
and also fixed focus policy for it.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/maintab.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>535</width>
+    <width>690</width>
-    <height>517</height>
+    <height>720</height>
    </rect>
   </property>
   <property name="currentIndex">
@@ -37,8 +37,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>493</width>
+         <width>662</width>
-         <height>586</height>
+         <height>644</height>
         </rect>
        </property>
        <layout class="QGridLayout" name="gridLayout_2">
@@ -219,10 +219,18 @@
         <item row="10" column="0">
          <layout class="QHBoxLayout" name="ratingVisibilityWidgets">
           <item>
-           <widget class="StarWidget" name="rating" native="true"/>
+           <widget class="StarWidget" name="rating" native="true">
+            <property name="focusPolicy">
+             <enum>Qt::StrongFocus</enum>
+            </property>
+           </widget>
           </item>
           <item>
-           <widget class="StarWidget" name="visibility" native="true"/>
+           <widget class="StarWidget" name="visibility" native="true">
+            <property name="focusPolicy">
+             <enum>Qt::StrongFocus</enum>
+            </property>
+           </widget>
           </item>
          </layout>
         </item>
@@ -281,8 +289,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>507</width>
+         <width>662</width>
-         <height>459</height>
+         <height>644</height>
         </rect>
        </property>
        <layout class="QGridLayout" name="gridLayout_5">
@@ -361,8 +369,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>492</width>
+         <width>662</width>
-         <height>375</height>
+         <height>644</height>
         </rect>
        </property>
        <layout class="QGridLayout" name="gridLayout_6">
@@ -671,8 +679,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>323</width>
+         <width>662</width>
-         <height>130</height>
+         <height>644</height>
         </rect>
        </property>
        <layout class="QGridLayout" name="gridLayout_7">
@@ -846,6 +854,8 @@
   <tabstop>coordinates</tabstop>
   <tabstop>divemaster</tabstop>
   <tabstop>buddy</tabstop>
+  <tabstop>rating</tabstop>
+  <tabstop>visibility</tabstop>
   <tabstop>suit</tabstop>
   <tabstop>tagWidget</tabstop>
   <tabstop>notes</tabstop>

qt-ui/starwidget.cpp

@@ -5,6 +5,8 @@
 #include <QDebug>
 #include <QMouseEvent>
 #include <unistd.h>
+#include <QStyle>
+#include <QStyleOption>
 
 QPixmap* StarWidget::activeStar = 0;
 QPixmap* StarWidget::inactiveStar = 0;
@@ -52,6 +54,13 @@ void StarWidget::paintEvent(QPaintEvent* event)
 
 	for(int i = current; i < TOTALSTARS; i++)
 		p.drawPixmap(i * IMG_SIZE + SPACING, 0, starInactive());
+
+	if(hasFocus()){
+		QStyleOptionFocusRect option;
+		option.initFrom(this);
+		option.backgroundColor = palette().color(QPalette::Background);
+		style()->drawPrimitive(QStyle::PE_FrameFocusRect, &option, &p, this);
+	}
 }
 
 void StarWidget::setCurrentStars(int value)
@@ -81,6 +90,7 @@ StarWidget::StarWidget(QWidget* parent, Qt::WindowFlags f):
 		inactiveStar = new QPixmap();
 		(*inactiveStar) = grayImage(activeStar);
 	}
+	setFocusPolicy(Qt::StrongFocus);
 }
 
 QPixmap StarWidget::grayImage(QPixmap* coloredImg)
@@ -110,3 +120,28 @@ void StarWidget::setReadOnly(bool r)
 {
 	readOnly = r;
 }
+
+void StarWidget::focusInEvent(QFocusEvent* event)
+{
+	setFocus();
+	QWidget::focusInEvent(event);
+}
+
+void StarWidget::focusOutEvent(QFocusEvent* event)
+{
+	QWidget::focusOutEvent(event);
+}
+
+
+void StarWidget::keyPressEvent(QKeyEvent* event)
+{
+	if (event->key() == Qt::Key_Up || event->key() == Qt::Key_Right){
+		if (currentStars() < TOTALSTARS){
+			setCurrentStars( currentStars()+1);
+		}
+	}else if(event->key() == Qt::Key_Down || event->key() == Qt::Key_Left){
+		if(currentStars() > 0){
+			setCurrentStars( currentStars()-1);
+		}
+	}
+}

qt-ui/starwidget.h

@@ -27,7 +27,9 @@ public slots:
 protected:
 	/*reimp*/ void mouseReleaseEvent(QMouseEvent* );
 	/*reimp*/ void paintEvent(QPaintEvent* );
-
+	/*reimp*/ void focusInEvent(QFocusEvent*);
+	/*reimp*/ void focusOutEvent(QFocusEvent*);
+	/*reimp*/ void keyPressEvent(QKeyEvent*);
 private:
 	int current;
 	bool readOnly;