From b2cc15d7399e10a046bc0997a6f2ef89d5da9330 Mon Sep 17 00:00:00 2001
From: Carsten Pfeiffer <pfeiffer@kde.org>
Date: Wed, 12 Jul 2000 02:31:53 +0000
Subject: [PATCH] auto-hide cursor

svn path=/trunk/kdebase/konsole/; revision=56260
---
 include/TEWidget.h | 13 ++++++++-----
 include/konsole.h  |  2 ++
 src/TEWidget.C     | 30 ++++++++++++++++++++++++++++--
 3 files changed, 38 insertions(+), 7 deletions(-)

diff --git a/include/TEWidget.h b/include/TEWidget.h
index 543bd739..9314fcdd 100644
--- a/include/TEWidget.h
+++ b/include/TEWidget.h
@@ -41,7 +41,7 @@ public:
 
     const ColorEntry* getColorTable() const;
     void              setColorTable(const ColorEntry table[]);
-    
+
     void setScrollbarLocation(int loc);
     enum { SCRNONE=0, SCRLEFT=1, SCRRIGHT=2 };
 
@@ -51,7 +51,7 @@ public:
     void emitSelection();
 
 public:
-    
+
     void setImage(const ca* const newimg, int lines, int columns);
 
     int  Lines()   { return lines;   }
@@ -60,7 +60,7 @@ public:
     void calcGeometry();
     void propagateSize();
     QSize calcSize(int cols, int lins) const;
-    
+
     QSize sizeHint() const;
 
 public:
@@ -87,7 +87,7 @@ protected:
 
     bool eventFilter( QObject *, QEvent * );
 
-    void drawAttrStr(QPainter &paint, QRect rect, 
+    void drawAttrStr(QPainter &paint, QRect rect,
                      QString& str, ca attr, BOOL pm, BOOL clear);
     void paintEvent( QPaintEvent * );
 
@@ -100,6 +100,9 @@ protected:
     void mousePressEvent( QMouseEvent* );
     void mouseReleaseEvent( QMouseEvent* );
     void mouseMoveEvent( QMouseEvent* );
+    
+    void focusInEvent( QFocusEvent * );
+    void focusOutEvent( QFocusEvent * );
     // Dnd
     void dragEnterEvent(QDragEnterEvent* event);
     void dropEvent(QDropEvent* event);
@@ -127,7 +130,7 @@ protected slots:
     void blinkEvent();
 
 private:
-    
+
     QChar (*fontMap)(QChar); // possible vt100 font extention
 
     bool fixed_font; // has fixed pitch
diff --git a/include/konsole.h b/include/konsole.h
index 68748d3b..161d0fd6 100644
--- a/include/konsole.h
+++ b/include/konsole.h
@@ -38,6 +38,7 @@
 class QDragEnterEvent;
 class QDropEvent;
 
+class KAccel;
 class KRootPixmap;
 
 class Konsole : public KTMainWindow
@@ -131,6 +132,7 @@ private:
 
   KMenuBar*   menubar;
   KStatusBar* statusbar;
+  KAccel*     accel;
 
   QPopupMenu* m_file;
   QPopupMenu* m_sessions;
diff --git a/src/TEWidget.C b/src/TEWidget.C
index 92cfb1c5..0d6eb649 100644
--- a/src/TEWidget.C
+++ b/src/TEWidget.C
@@ -60,6 +60,7 @@
 
 #include "TEWidget.moc"
 #include <kapp.h>
+#include <kcursor.h>
 #include <kurl.h>
 #include <kdebug.h>
 #include <klocale.h>
@@ -270,6 +271,7 @@ TEWidget::TEWidget(QWidget *parent, const char *name) : QFrame(parent,name)
   setColorTable(base_color_table); // init color table
 
   qApp->installEventFilter( this ); //FIXME: see below
+  KCursor::setAutoHideCursor( this, true );
 
   // Init DnD ////////////////////////////////////////////////////////////////
   currentSession = NULL;
@@ -279,6 +281,9 @@ TEWidget::TEWidget(QWidget *parent, const char *name) : QFrame(parent,name)
   m_drop->insertItem( i18n("cd"),    1);
   connect(m_drop, SIGNAL(activated(int)), SLOT(drop_menu_activated(int)));
 
+  // we need focus so that the auto-hide cursor feature works
+  setFocus();
+  setFocusPolicy( WheelFocus );
 }
 
 //FIXME: make proper destructor
@@ -636,6 +641,10 @@ void TEWidget::mousePressEvent(QMouseEvent* ev)
 
 void TEWidget::mouseMoveEvent(QMouseEvent* ev)
 {
+  // for auto-hiding the cursor, we need mouseTracking
+  if (ev->state() == NoButton )
+    return;
+
   if (actSel == 0) return;
   if (ev->state() & MidButton)
     return; // don't extend selection while pasting
@@ -726,7 +735,7 @@ void TEWidget::mouseMoveEvent(QMouseEvent* ev)
 
 void TEWidget::mouseReleaseEvent(QMouseEvent* ev)
 {
-//  printf("release [%d,%d] %d\n",ev->x()/font_w,ev->y()/font_h,ev->button());
+  // printf("release [%d,%d] %d\n",ev->x()/font_w,ev->y()/font_h,ev->button());
   if ( ev->button() == LeftButton)
   {
     if ( actSel > 1 ) emit endSelectionSignal(preserve_line_breaks);
@@ -797,6 +806,18 @@ void TEWidget::mouseDoubleClickEvent(QMouseEvent* ev)
    }
 }
 
+void TEWidget::focusInEvent( QFocusEvent * )
+{
+    // do nothing, to prevent repainting
+}
+
+
+void TEWidget::focusOutEvent( QFocusEvent *e )
+{
+    // do nothing, to prevent repainting
+}
+
+
 int TEWidget::charClass(char ch) const
 {
     // This might seem like overkill, but imagine if ch was a Unicode
@@ -873,6 +894,11 @@ void TEWidget::onClearSelection()
 //   which would also let you have an in-focus cursor and an out-focus
 //   cursor like xterm does.
 
+// for the auto-hide cursor feature, I added empty focusInEvent() and 
+// focusOutEvent() so that update() isn't called.
+// For auto-hide, we need to get keypress-events, but we only get them when
+// we have focus.
+
 void TEWidget::doScroll(int lines)
 {
   scrollbar->setValue(scrollbar->value()+lines);
@@ -894,7 +920,7 @@ bool TEWidget::eventFilter( QObject *obj, QEvent *e )
               // know where the current selection is.
 
     emit keyPressedSignal(ke); // expose
-    return TRUE;               // accept event
+    return false;               // accept event
   }
   if ( e->type() == QEvent::Enter )
   {