From b20e982cf9ee165db09dbafc69882bad2a589730 Mon Sep 17 00:00:00 2001
From: xavier
 <xavier@r991  xavier  2010-05-09 20:40:08 +0200 (dim. 09 mai 2010)>
Date: Sun, 15 Jul 2012 13:01:04 +0000
Subject: [PATCH] Circumvented a display bug occuring when moving the current
 diagram from the elements panel.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@1912 bfdf4180-ca20-0410-9c96-a3a8aa849046
---
 sources/projectview.cpp  |  4 ++--
 sources/qettabwidget.cpp | 14 ++++++++++++++
 sources/qettabwidget.h   |  1 +
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/sources/projectview.cpp b/sources/projectview.cpp
index 5249ab288..1fac0de88 100644
--- a/sources/projectview.cpp
+++ b/sources/projectview.cpp
@@ -476,7 +476,7 @@ void ProjectView::moveDiagramUp(DiagramView *diagram_view) {
 		// le schema est le premier du projet
 		return;
 	}
-	tabs_ -> tabBar() -> moveTab(diagram_view_position, diagram_view_position - 1);
+	tabs_ -> moveTab(diagram_view_position, diagram_view_position - 1);
 }
 
 /**
@@ -497,7 +497,7 @@ void ProjectView::moveDiagramDown(DiagramView *diagram_view) {
 		// le schema est le dernier du projet
 		return;
 	}
-	tabs_ -> tabBar() -> moveTab(diagram_view_position, diagram_view_position + 1);
+	tabs_ -> moveTab(diagram_view_position, diagram_view_position + 1);
 }
 
 /**
diff --git a/sources/qettabwidget.cpp b/sources/qettabwidget.cpp
index ca8eba7de..d72c219b1 100644
--- a/sources/qettabwidget.cpp
+++ b/sources/qettabwidget.cpp
@@ -66,6 +66,20 @@ bool QETTabWidget::isMovable() const {
 #endif
 }
 
+/**
+	Move the tab from index \a from to index \a to.
+*/
+void QETTabWidget::moveTab(int from, int to) {
+	tab_bar_ -> moveTab(from, to);
+	// workaround to a weird bug when moving the current tab
+	if (count() > 1) {
+		int current_index = tab_bar_ -> currentIndex();
+		// switch to any other index then back to the current one
+		tab_bar_ -> setCurrentIndex(current_index ? 0 : 1);
+		tab_bar_ -> setCurrentIndex(current_index);
+	}
+}
+
 QETTabBar *QETTabWidget::tabBar() const {
 	return(tab_bar_);
 }
diff --git a/sources/qettabwidget.h b/sources/qettabwidget.h
index 4fa898217..c071425f9 100644
--- a/sources/qettabwidget.h
+++ b/sources/qettabwidget.h
@@ -40,6 +40,7 @@ class QETTabWidget : public QTabWidget {
 	public:
 	void setMovable(bool);
 	bool isMovable() const;
+	void moveTab(int, int);
 	QETTabBar *tabBar() const;
 	
 	protected: