summaryrefslogtreecommitdiffabout
path: root/microkde/kdeui/ksqueezedtextlabel.cpp
authorzautrix <zautrix>2004-06-26 19:01:18 (UTC)
committer zautrix <zautrix>2004-06-26 19:01:18 (UTC)
commitb9aad1f15dc600e4dbe4c62d3fcced6363188ba3 (patch) (side-by-side diff)
tree2c3d4004fb21c72cba65793859f9bcd8ffd3a49c /microkde/kdeui/ksqueezedtextlabel.cpp
downloadkdepimpi-b9aad1f15dc600e4dbe4c62d3fcced6363188ba3.zip
kdepimpi-b9aad1f15dc600e4dbe4c62d3fcced6363188ba3.tar.gz
kdepimpi-b9aad1f15dc600e4dbe4c62d3fcced6363188ba3.tar.bz2
Initial revision
Diffstat (limited to 'microkde/kdeui/ksqueezedtextlabel.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--microkde/kdeui/ksqueezedtextlabel.cpp107
1 files changed, 107 insertions, 0 deletions
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"