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List:       kde-pim
Subject:    [Kde-pim] [PATCH] KOrganizer: squeezing text in monthview, 2nd try
From:       Tim Jansen <ml () tjansen ! de>
Date:       2003-07-08 21:59:23
[Download RAW message or body]

Hi...

Again the patch to improve cutting off texts in month view. With this version 
resizing the view works as well.

bye...


["korg-squeeze.patch" (text/x-diff)]

Index: komonthview.cpp
===================================================================
RCS file: /home/kde/kdepim/korganizer/komonthview.cpp,v
retrieving revision 1.68
diff -u -3 -p -r1.68 komonthview.cpp
--- komonthview.cpp	9 Apr 2003 18:57:51 -0000	1.68
+++ komonthview.cpp	8 Jul 2003 21:54:34 -0000
@@ -48,7 +48,8 @@
 #include "komonthview.moc"
 
 KNoScrollListBox::KNoScrollListBox(QWidget *parent,const char *name)
-  : QListBox(parent, name)
+  : QListBox(parent, name),
+    mSqueezing(false)
 {
 }
 
@@ -110,6 +111,15 @@ void KNoScrollListBox::mousePressEvent(Q
   }
 }
 
+void KNoScrollListBox::resizeEvent(QResizeEvent *e)
+{
+  bool s = count() && ( maxItemWidth() > e->size().width() );
+  if (mSqueezing || s)
+    triggerUpdate(false);
+
+  mSqueezing = s;
+  QListBox::resizeEvent(e);
+}
 
 MonthViewItem::MonthViewItem( Incidence *incidence, QDate qd, const QString & s)
   : QListBoxItem()
@@ -165,7 +175,36 @@ void MonthViewItem::paint(QPainter *p)
     yPos = pmheight/2 - fm.height()/2  + fm.ascent();
   p->setPen( palette().color( QPalette::Normal, sel ? \
 	  QColorGroup::HighlightedText : QColorGroup::Foreground ) );
-  p->drawText( x, yPos, text() );
+
+  // try to cut off the text to fit into the cell, append '...' if cut off
+  QString t = text();
+  int maxW = listBox()->width() - x;
+  if ( fm.boundingRect( t ).width() > maxW ) {
+    QString cutT( i18n( "Three dots (...) or whatever in your language is used to \
show that a text has been cut off", "..." ) ); +    if (fm.boundingRect(cutT).width() \
>= maxW ) +      t = cutT;
+    else {
+      int wt;
+      int maxIterations = 25; // safety, usually needs <5, worst case <12
+      int offset = 1;
+      while ( maxIterations-- &&
+              ( ( wt = fm.boundingRect( t + cutT ).width() ) > maxW ) ) {
+        int approxW = ( ( ( t.length() + cutT.length() ) * maxW / wt ) ) -
+		      cutT.length() + offset;
+        if ( ( approxW < (int) t.length() ) &&
+	     ( fm.boundingRect( t.left( approxW ) + cutT ).width() > maxW ) ) {
+	  t = t.left( approxW );
+	  offset = ( offset > 1 ) ? ( offset / 2) : 1;
+	}
+	else {
+	  t = t.left( t.length() - 1 );
+	  offset = ( approxW >= (int) t.length() ) ? 1 : (offset * 2);
+	}
+      }
+      t += cutT;
+    }
+  }
+  p->drawText( x, yPos, t );
 }
 
 int MonthViewItem::height(const QListBox *lb) const
Index: komonthview.h
===================================================================
RCS file: /home/kde/kdepim/korganizer/komonthview.h,v
retrieving revision 1.33
diff -u -3 -p -r1.33 komonthview.h
--- komonthview.h	7 Mar 2003 22:06:22 -0000	1.33
+++ komonthview.h	8 Jul 2003 21:54:34 -0000
@@ -52,6 +52,10 @@ class KNoScrollListBox: public QListBox
     void keyPressEvent(QKeyEvent *);
     void keyReleaseEvent(QKeyEvent *);
     void mousePressEvent(QMouseEvent *);
+    void resizeEvent(QResizeEvent *);
+
+   private:
+    bool mSqueezing;
 };
 
 



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