1 files changed, 167 insertions, 0 deletions
diff --git a/chalk/ui/squeezedcombobox.cpp b/chalk/ui/squeezedcombobox.cpp
new file mode 100644
index 00000000..96929450
--- /dev/null
+++ b/chalk/ui/squeezedcombobox.cpp
@@ -0,0 +1,167 @@
+/* ============================================================
+ * Author: Tom Albers <tomalbers@kde.nl>
+ * Date  : 2005-01-01
+ * Description : 
+ * 
+ * Copyright 2005 by Tom Albers
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation;
+ * either version 2, or (at your option)
+ * any later version.
+ * 
+ * This program 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 General Public License for more details.
+ * 
+ * ============================================================ */
+
+/** @file squeezedcombobox.cpp */
+
+// TQt includes.
+
+#include <tqlistbox.h>
+#include <tqcombobox.h>
+#include <tqpair.h>
+#include <tqtimer.h>
+#include <tqvaluelist.h>
+#include <tqstyle.h>
+#include <tqapplication.h>
+#include <tqtooltip.h>
+
+// Local includes.
+
+#include "squeezedcombobox.h"
+
+SqueezedComboBoxTip::SqueezedComboBoxTip( TQWidget * tqparent, SqueezedComboBox* name )
+    : TQToolTip( tqparent )
+{
+    m_originalWidget = name;
+}
+
+void SqueezedComboBoxTip::maybeTip( const TQPoint &pos )
+{
+    TQListBox* listBox = m_originalWidget->listBox();
+    if (!listBox)
+        return;
+
+    TQListBoxItem* selectedItem = listBox->itemAt( pos );
+    if (selectedItem)
+    {
+        TQRect positionToolTip = listBox->tqitemRect( selectedItem );
+        TQString toolTipText = m_originalWidget->itemHighlighted();
+        if (!toolTipText.isNull())
+            tip(positionToolTip, toolTipText);
+    }
+}
+
+SqueezedComboBox::SqueezedComboBox( TQWidget *tqparent, const char *name )
+    : TQComboBox( tqparent, name )
+{
+    setMinimumWidth(100);
+    m_timer = new TQTimer(this);
+    m_tooltip = new SqueezedComboBoxTip( listBox()->viewport(), this );
+
+    connect(m_timer, TQT_SIGNAL(timeout()),
+            TQT_SLOT(slotTimeOut()));
+    connect(this, TQT_SIGNAL(activated( int )),
+            TQT_SLOT(slotUpdateToolTip( int )));
+}
+
+SqueezedComboBox::~SqueezedComboBox()
+{
+    delete m_tooltip;
+    delete m_timer;
+}
+
+bool SqueezedComboBox::tqcontains( const TQString& _text ) const
+{
+    if ( _text.isEmpty() )
+        return false;
+
+    const int itemCount = count();
+    for (int i = 0; i < itemCount; ++i )
+    {
+        if ( text(i) == _text )
+            return true;
+    }
+    return false;
+}
+
+TQSize SqueezedComboBox::tqsizeHint() const
+{
+    constPolish();
+    TQFontMetrics fm = fontMetrics();
+
+    int maxW = count() ? 18 : 7 * fm.width(TQChar('x')) + 18;
+    int maxH = TQMAX( fm.lineSpacing(), 14 ) + 2;
+
+    return tqstyle().tqsizeFromContents(TQStyle::CT_ComboBox, this,
+    TQSize(maxW, maxH)).
+            expandedTo(TQApplication::globalStrut());
+}
+
+void SqueezedComboBox::insertSqueezedItem(const TQString& newItem, int index)
+{
+    m_originalItems[index] = newItem;
+    insertItem( squeezeText(newItem), index );
+
+    // if this is the first item, set the tooltip.
+    if (index == 0)
+        slotUpdateToolTip(0);
+}
+
+void SqueezedComboBox::resizeEvent ( TQResizeEvent * )
+{
+    m_timer->start(200, true);
+}
+
+void SqueezedComboBox::slotTimeOut()
+{
+    TQMapIterator<int,TQString> it;
+    for (it = m_originalItems.begin() ; it != m_originalItems.end();
+         ++it)
+    {
+        changeItem( squeezeText( it.data() ), it.key() );
+    }
+}
+
+TQString SqueezedComboBox::squeezeText( const TQString& original)
+{
+    // not the complete widgetSize is usable. Need to compensate for that.
+    int widgetSize = width()-30;
+    TQFontMetrics fm( fontMetrics() );
+
+    // If we can fit the full text, return that.
+    if (fm.width(original) < widgetSize)
+        return(original);
+
+    // We need to squeeze.
+    TQString sqItem = original; // prevent empty return value;
+    widgetSize = widgetSize-fm.width("...");
+    for (uint i = 0 ; i != original.length(); ++i)
+    {
+        if ( (int)fm.width(original.right(i)) > widgetSize)
+        {
+            sqItem = TQString("..." + original.right(--i));
+            break;
+        }
+    }
+    return sqItem;
+}
+
+void SqueezedComboBox::slotUpdateToolTip( int index )
+{
+    TQToolTip::remove(this);
+    TQToolTip::add(this, m_originalItems[index]);
+}
+
+TQString SqueezedComboBox::itemHighlighted()
+{
+    int curItem = this->listBox()->currentItem();
+    return m_originalItems[curItem];
+}
+
+#include "squeezedcombobox.moc"