From b9aad1f15dc600e4dbe4c62d3fcced6363188ba3 Mon Sep 17 00:00:00 2001
From: zautrix <zautrix>
Date: Sat, 26 Jun 2004 19:01:18 +0000
Subject: Initial revision

---
(limited to 'microkde/kdeui/ksqueezedtextlabel.cpp')

diff --git a/microkde/kdeui/ksqueezedtextlabel.cpp b/microkde/kdeui/ksqueezedtextlabel.cpp
new file mode 100644
index 0000000..37fa29a
--- a/dev/null
+++ b/microkde/kdeui/ksqueezedtextlabel.cpp
@@ -0,0 +1,107 @@
+/* This file is part of the KDE libraries
+   Copyright (C) 2000 Ronny Standtke <Ronny.Standtke@gmx.de>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License version 2 as published by the Free Software Foundation.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include "ksqueezedtextlabel.h"
+#include <qtooltip.h>
+
+KSqueezedTextLabel::KSqueezedTextLabel( const QString &text , QWidget *parent, const char *name )
+ : QLabel ( parent, name ) {
+  setSizePolicy(QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ));
+  fullText = text;
+  squeezeTextToLabel();
+}
+
+KSqueezedTextLabel::KSqueezedTextLabel( QWidget *parent, const char *name )
+ : QLabel ( parent, name ) {
+  setSizePolicy(QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ));
+}
+
+void KSqueezedTextLabel::resizeEvent( QResizeEvent * ) {
+  squeezeTextToLabel();
+}
+
+QSize KSqueezedTextLabel::minimumSizeHint() const
+{
+  QSize sh = QLabel::minimumSizeHint();
+  sh.setWidth(-1);
+  return sh;
+}
+
+void KSqueezedTextLabel::setText( const QString &text ) {
+  fullText = text;
+  squeezeTextToLabel();
+}
+
+void KSqueezedTextLabel::squeezeTextToLabel() {
+  QFontMetrics fm(fontMetrics());
+  int labelWidth = size().width();
+  int textWidth = fm.width(fullText);
+  if (textWidth > labelWidth) {
+    // start with the dots only
+    QString squeezedText = "...";
+    int squeezedWidth = fm.width(squeezedText);
+
+    // estimate how many letters we can add to the dots on both sides
+    int letters = fullText.length() * (labelWidth - squeezedWidth) / textWidth / 2;
+    if (labelWidth < squeezedWidth) letters=1;
+    squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
+    squeezedWidth = fm.width(squeezedText);
+
+    if (squeezedWidth < labelWidth) {
+        // we estimated too short
+        // add letters while text < label
+        do {
+                letters++;
+                squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
+                squeezedWidth = fm.width(squeezedText);
+        } while (squeezedWidth < labelWidth);
+        letters--;
+        squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
+    } else if (squeezedWidth > labelWidth) {
+        // we estimated too long
+        // remove letters while text > label
+        do {
+            letters--;
+            squeezedText = fullText.left(letters) + "..." + fullText.right(letters);
+            squeezedWidth = fm.width(squeezedText);
+        } while (letters && squeezedWidth > labelWidth);
+    }
+
+    if (letters < 5) {
+    	// too few letters added -> we give up squeezing
+    	QLabel::setText(fullText);
+    } else {
+	QLabel::setText(squeezedText);
+    }
+
+//US    QToolTip::remove( this );
+//US    QToolTip::add( this, fullText );
+
+  } else {
+    QLabel::setText(fullText);
+
+//US    QToolTip::remove( this );
+//US    QToolTip::hide();
+
+  };
+}
+
+void KSqueezedTextLabel::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+//US #include "ksqueezedtextlabel.moc"
--
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