From 05a1a1c740e92709a5dc7fab3986517f45051d33 Mon Sep 17 00:00:00 2001
From: Christoph Egger <Christoph.Egger@fau.de>
Date: Tue, 24 Mar 2015 18:27:07 +0100
Subject: [PATCH] Fix stupid Qt adjustSize() behavior

---
 src/gui/widgets/BasicBlockWidget.cxx | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/gui/widgets/BasicBlockWidget.cxx b/src/gui/widgets/BasicBlockWidget.cxx
index efa7ec3..19af3bc 100644
--- a/src/gui/widgets/BasicBlockWidget.cxx
+++ b/src/gui/widgets/BasicBlockWidget.cxx
@@ -15,6 +15,8 @@ public:
 	CustomQGraphicsTextItem(const QString& text, BasicBlockWidget* parent)
 		: QGraphicsTextItem(text, parent), parent(parent) {}
 	void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
+
+	void adjustSize();
 private:
 	void addComment(int row, bool global);
 
@@ -70,9 +72,21 @@ void CustomQGraphicsTextItem::contextMenuEvent(QGraphicsSceneContextMenuEvent* e
 	menu.exec(event->screenPos());
 }
 
+void CustomQGraphicsTextItem::adjustSize() {
+	int width = 1000;
+	setTextWidth(width);
+	int height = boundingRect().height();
+	while (height == boundingRect().height()) {
+		setTextWidth(width -= 10);
+	}
+	width += 10;
+	if (width < 250) width = 250;
+	setTextWidth(width);
+}
+
 BasicBlockWidget::BasicBlockWidget(const QString& name, BasicBlock * block,
                                    Mainwindow * mainwindow)
-	: width(270), height(45), name(name)
+	: width(200), height(45), name(name)
 	, _table(NULL)
 	, block(block), mainwindow(mainwindow)
 	, logger(log4cxx::Logger::getLogger("gui.BasicBlockWidget." + name.toStdString())) {
@@ -117,6 +131,9 @@ void BasicBlockWidget::updateFunctionName(RenameFunctionEvent *event) {
 					c.movePosition(QTextCursor::Left,  QTextCursor::KeepAnchor, i.fragment().length());
 					c.movePosition(QTextCursor::WordRight,  QTextCursor::KeepAnchor);
 					c.insertText(event->new_name.c_str());
+
+					QGraphicsTextItem* item = _widget.get();
+					((CustomQGraphicsTextItem*)item)->adjustSize();
 				}
 			}
 		}
@@ -144,6 +161,8 @@ void BasicBlockWidget::changeCommentHandler(ChangeCommentEvent* event) {
 		}
 		cursor.removeSelectedText();
 		cursor.insertHtml(formatComments(&*inst_it));
+		QGraphicsTextItem* item = _widget.get();
+		((CustomQGraphicsTextItem*)item)->adjustSize();
 	}
 }
 
@@ -168,7 +187,7 @@ void BasicBlockWidget::populateWidget() {
 			bytestring += hexdigits[byte & 0xF];
 			bytestring += ' ';
 		}
-		_table->cellAt(row, 0).firstCursorPosition().insertText(bytestring);
+		_table->cellAt(row, 0).firstCursorPosition().insertHtml("<nobr>" + bytestring + "</nobr>");
 
 		QString line = inst.getText().c_str();
 		line = line.replace('\t', ' ').toHtmlEscaped();
@@ -186,9 +205,11 @@ void BasicBlockWidget::populateWidget() {
 			}
 			line = "<a href=\"" + href + "\">" + line + "</a>";
 		}
-		_table->cellAt(row, 1).firstCursorPosition().insertHtml(line);
+		_table->cellAt(row, 1).firstCursorPosition().insertHtml("<nobr>" + line + "</nobr>");
 		_table->cellAt(row, 2).firstCursorPosition().insertHtml(formatComments(&inst));
 	}
+	QGraphicsTextItem* item = _widget.get();
+	((CustomQGraphicsTextItem*)item)->adjustSize();
 }
 
 QString BasicBlockWidget::formatComments(Instruction* inst) {
@@ -202,7 +223,6 @@ QString BasicBlockWidget::formatComments(Instruction* inst) {
 
 void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem*,
 	           QWidget*) {
-	_widget->adjustSize();
 	width = 10 + _widget->boundingRect().width();
 	height = 25 + _widget->boundingRect().height();
 	if (width < 250) width = 250;
-- 
2.39.2