[rkward-cvs] SF.net SVN: rkward: [1658] trunk/rkward

[tfry at users.sourceforge.net]

Revision: 1658
          http://svn.sourceforge.net/rkward/?rev=1658&view=rev
Author:   tfry
Date:     2007-03-20 07:13:13 -0700 (Tue, 20 Mar 2007)

Log Message:
-----------
Make dropdown list items show whether they are enabled or not

Modified Paths:
--------------
    trunk/rkward/ChangeLog
    trunk/rkward/rkward/plugin/rkdropdown.cpp
    trunk/rkward/rkward/plugin/rkdropdown.h

Modified: trunk/rkward/ChangeLog
===================================================================
--- trunk/rkward/ChangeLog	2007-03-20 12:29:29 UTC (rev 1657)
+++ trunk/rkward/ChangeLog	2007-03-20 14:13:13 UTC (rev 1658)
@@ -19,8 +19,8 @@
 - new plugin: Phillips-Perron test
 - new plugin: Mood test
 - new plugins: variance tests (F test (aka var.test), Bartlett test, Flingner test)
-- new plugin: plugin pareto chart
-- new plugin: plugin stem-and-leaf plot
+- new plugin: pareto chart
+- new plugin: stem-and-leaf plot
 - make readline dialog store last size and position
 - new plugins: outlier tests (chisq.out.test, dixon.test, grubbs.test, outlier)
 - support R's mechanism for checking the C stack limits (only with R 2.3.x or greater, and not on all platforms)

Modified: trunk/rkward/rkward/plugin/rkdropdown.cpp
===================================================================
--- trunk/rkward/rkward/plugin/rkdropdown.cpp	2007-03-20 12:29:29 UTC (rev 1657)
+++ trunk/rkward/rkward/plugin/rkdropdown.cpp	2007-03-20 14:13:13 UTC (rev 1658)
@@ -73,10 +73,35 @@
 void RKDropDown::setItemEnabledInGUI (int id, bool enabled) {
 	RK_TRACE (PLUGIN);
 
-	QListBoxItem *item = box->listBox ()->item (id);
+	QListBox *list = box->listBox ();
+	RK_ASSERT (list);
+	QListBoxItem *item = list->item (id);
 	RK_ASSERT (item);
 
+	if (item->rtti () != ID_RKDROPDOWNLISTITEM) {
+		// this item won't show whether it is enabled or not. We need to replace it.
+		item = new RKDropDownListItem (0, list->text (id));
+		list->changeItem (item, id);
+	}
+
 	item->setSelectable (enabled);
 }
 
+////////////////// RKDropDownListItem ////////////////////////
+
+#include <qpainter.h>
+
+RKDropDownListItem::RKDropDownListItem (QListBox *listbox, const QString &text) : QListBoxText (listbox, text) {
+	RK_TRACE (PLUGIN);
+}
+
+void RKDropDownListItem::paint (QPainter *painter) {
+	// no trace!
+	if (!isSelectable ()) {
+		painter->setPen (QColor (150, 150, 150));
+	}
+
+	QListBoxText::paint (painter);
+}
+
 #include "rkdropdown.moc"

Modified: trunk/rkward/rkward/plugin/rkdropdown.h
===================================================================
--- trunk/rkward/rkward/plugin/rkdropdown.h	2007-03-20 12:29:29 UTC (rev 1657)
+++ trunk/rkward/rkward/plugin/rkdropdown.h	2007-03-20 14:13:13 UTC (rev 1658)
@@ -23,9 +23,8 @@
 class QComboBox;
 
 /** This RKPluginWidget provides a group of radio-buttons.
-  *@author Thomas Friedrichsmeier
-  */
-
+ at author Thomas Friedrichsmeier
+*/
 class RKDropDown : public RKAbstractOptionSelector {
 	Q_OBJECT
 public: 
@@ -40,4 +39,18 @@
 	QComboBox *box;
 };
 
+#include <qlistbox.h>
+
+#define ID_RKDROPDOWNLISTITEM 1001
+
+/** Item used in RKDropDown. The difference to a regular QListBoxText is that the item looks different when disabled */
+class RKDropDownListItem : public QListBoxText {
+public:
+	RKDropDownListItem (QListBox *listbox, const QString &text);
+	~RKDropDownListItem () {};
+	int rtti () const { return ID_RKDROPDOWNLISTITEM; };
+protected:
+	void paint (QPainter *painter);
+};
+
 #endif


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.