SVN commit 1005904 by ruberg:


Added a tooltip that displays the last clicked character - like you know it from other virtual keyboard (on iPhone for example)
Worked on this for ages. Did not found a better solution then Plasma::Tooltip, what is not optimal



 M  +9 -4      AlphaNumKey.cpp  
 M  +10 -1     AlphaNumKey.h  
 M  +1 -0      BoardKey.cpp  
 M  +1 -1      CMakeLists.txt  
 M  +29 -0     widget.cpp  
 M  +10 -1     widget.h  


--- trunk/playground/base/plasma/applets/plasmaboard/AlphaNumKey.cpp #1005903:1005904
@@ -21,17 +21,17 @@
 //#include "AlphaNumKey.h"
 #include <kpushbutton.h>
 #include "AlphaNumKey.h"
+#include "widget.h"
 
 
 AlphaNumKey::AlphaNumKey(PlasmaboardWidget *parent):
 	BoardKey::BoardKey(parent){
-	// TODO Auto-generated constructor stub
 	QObject::connect(static_cast<const KPushButton*>(this->nativeWidget()), SIGNAL( pressed() ), this, SLOT( sendKeycodePress() ) );
 	QObject::connect(static_cast<const KPushButton*>(this->nativeWidget()), SIGNAL( released() ), this, SLOT( sendKeycodeRelease() ) );
 }
 
 AlphaNumKey::~AlphaNumKey() {
-	// TODO Auto-generated destructor stub
+
 }
 
 void AlphaNumKey::setKeycode(unsigned int keycodeP) {
@@ -39,6 +39,10 @@
 	setLabel(0);
 }
 
+void AlphaNumKey::setText(const QString &text){
+        BoardKey::setText(text);
+}
+
 void AlphaNumKey::setLabel(int level){
 	setText(QChar(Helpers::mapToUnicode(Helpers::keycodeToKeysym(getKeycode(),level))));
 }
@@ -55,11 +59,12 @@
 		/*isAlternative ?
 		setText(QChar(Helpers::mapToUnicode(Helpers::keycodeToKeysym(getKeycode(),0)))) :
 		setText(QChar(Helpers::mapToUnicode(Helpers::keycodeToKeysym(getKeycode(),0))));*/
-	}
+        }
 }
 
 void AlphaNumKey::sendKeycodePress() {
-	Helpers::fakeKeyPress(getKeycode());
+        emit keySend(text());
+        Helpers::fakeKeyPress(getKeycode());
 }
 
 void AlphaNumKey::sendKeycodeRelease() {
--- trunk/playground/base/plasma/applets/plasmaboard/AlphaNumKey.h #1005903:1005904
@@ -22,23 +22,32 @@
 #define ALPHANUMKEY_H_
 
 #include "BoardKey.h"
+#include <QString>
 
 class PlasmaboardWidget;
-class QString;
 
+
 class AlphaNumKey: public BoardKey {
+
+    Q_OBJECT
+
 public:
 	AlphaNumKey(PlasmaboardWidget *parent);
 	virtual ~AlphaNumKey();
 
 	void switchKey(bool isLevel2, bool isAlternative, bool isLocked);
 	void setKeycode(unsigned int keysym);
+        void setText(const QString &text);
 	void setLabel(int level);
 
 public Q_SLOTS:
 	virtual void sendKeycodePress();
 	virtual void sendKeycodeRelease();
 
+signals:
+        void keySend ( QString text );
+
+
 };
 
 #endif /* ALPHANUMKEY_H_ */
--- trunk/playground/base/plasma/applets/plasmaboard/BoardKey.cpp #1005903:1005904
@@ -30,6 +30,7 @@
 	setMaximumSize(1000,1000);
 	setMinimumSize(10,10);
 	setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored, QSizePolicy::DefaultType);
+        setZValue(0);
 }
 
 BoardKey::~BoardKey() {
--- trunk/playground/base/plasma/applets/plasmaboard/CMakeLists.txt #1005903:1005904
@@ -28,4 +28,4 @@
         
 #install(FILES plasmaboard_key.svg
 #	DESTINATION ${DATA_INSTALL_DIR}/desktoptheme/default/widgets/)
-        
\ No newline at end of file
+        
--- trunk/playground/base/plasma/applets/plasmaboard/widget.cpp #1005903:1005904
@@ -32,9 +32,16 @@
 #include "ArrowLeftKey.h"
 #include "ArrowRightKey.h"
 #include <QPainter>
+#include <QGraphicsScene>
+#include <QGraphicsItem>
+#include <QGraphicsWidget>
+#include <QGraphicsLayoutItem>
+#include <QGraphicsLayout>
 #include <QGraphicsGridLayout>
 #include <KConfigGroup>
+#include <plasma/tooltipmanager.h>
 
+
 #define BACKSPACEKEY 0
 #define TABKEY 1
 #define ENTERKEY 2
@@ -74,6 +81,12 @@
     m_layout = new QGraphicsGridLayout(this);
     extendedKeys = false;
     basicKeys = false;
+
+    tooltipTimer = new QTimer(this);
+    connect(tooltipTimer, SIGNAL(timeout()), this, SLOT(clearTooltip()));
+
+
+    tooltip.setMainText("Plasmaboard");
 }
 
 
@@ -267,6 +280,7 @@
 	while ( i < 48 ) {
 		alphaKeys[i] = new AlphaNumKey(this);
 		QObject::connect(alphaKeys[i], SIGNAL( clicked() ), this, SLOT( clear() ) );
+                QObject::connect(alphaKeys[i], SIGNAL( keySend ( QString ) ), this, SLOT( setTooltip( QString ) ) );
 		i++;
 	}
 
@@ -469,6 +483,7 @@
 }
 
 void PlasmaboardWidget::clear(){
+
 	bool change = false;
 	if(isLevel2){
 		Helpers::fakeKeyRelease(Helpers::keysymToKeycode(XK_Shift_L));
@@ -503,3 +518,17 @@
 }
 
 
+void PlasmaboardWidget::setTooltip(QString text){
+    if(text != tooltip.mainText()){
+        clearTooltip();
+        tooltip.setMainText(text);
+        Plasma::ToolTipManager::self()->setContent(this, tooltip);
+    }
+    Plasma::ToolTipManager::self()->show(this);
+    tooltipTimer->start(1000);
+}
+
+void PlasmaboardWidget::clearTooltip(){
+    Plasma::ToolTipManager::self()->hide(this);
+    Plasma::ToolTipManager::self()->clearContent(this);
+}
--- trunk/playground/base/plasma/applets/plasmaboard/widget.h #1005903:1005904
@@ -24,6 +24,9 @@
 
 #include "BoardKey.h"
 #include <plasma/containment.h>
+#include <plasma/corona.h>
+#include <plasma/tooltipcontent.h>
+#include <QTimer>
 #include "Helpers.h"
 
 #define XK_TECHNICAL
@@ -69,11 +72,15 @@
           */
         void clearAnything();
 
+
+
     public Q_SLOTS:
         void switchLevel();
         void switchAlternative();
         void switchCaps();
         void clear();
+        void setTooltip(QString text);
+        void clearTooltip();
 
 	private:
 		AlphaNumKey *alphaKeys[48]; // normal keys labeled with symbols like a, b, c
@@ -81,10 +88,12 @@
 		FuncKey *extKeys[42]; // keys only shown in the extended layout as F1, F2,..
                 bool isLevel2; // second key level activated
                 bool isAlternative; // alternative key level activated
-                bool isLocked; // is lock activated
+                bool isLocked; // is lock activddated
                 bool basicKeys; // are basic keys displayed
                 bool extendedKeys; // are extended keys displayed
                 QGraphicsGridLayout *m_layout;
+                Plasma::ToolTipContent tooltip;
+                QTimer *tooltipTimer;
 };