From 41a737e6de4dcfed6c9b886294560e5248844ebe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorbj=C3=B8rn=20Lindeijer?= <thorbjorn.lindeijer@nokia.com>
Date: Thu, 17 Dec 2009 11:46:55 +0100
Subject: [PATCH] Fixed enabled state of erase background button in color
 scheme edit

Remember the read-only state so that it can be taken into account when
changing the enabled state of the erase background button.
---
 src/plugins/texteditor/colorschemeedit.cpp | 12 ++++++++++--
 src/plugins/texteditor/colorschemeedit.h   |  1 +
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/plugins/texteditor/colorschemeedit.cpp b/src/plugins/texteditor/colorschemeedit.cpp
index c47534e5a2e..9f70d3154d6 100644
--- a/src/plugins/texteditor/colorschemeedit.cpp
+++ b/src/plugins/texteditor/colorschemeedit.cpp
@@ -143,7 +143,8 @@ ColorSchemeEdit::ColorSchemeEdit(QWidget *parent) :
     QWidget(parent),
     m_curItem(-1),
     m_ui(new Ui::ColorSchemeEdit),
-    m_formatsModel(new FormatsModel(this))
+    m_formatsModel(new FormatsModel(this)),
+    m_readOnly(false)
 {
     m_ui->setupUi(this);
     m_ui->itemList->setModel(m_formatsModel);
@@ -178,6 +179,11 @@ void ColorSchemeEdit::setBaseFont(const QFont &font)
 
 void ColorSchemeEdit::setReadOnly(bool readOnly)
 {
+    if (m_readOnly == readOnly)
+        return;
+
+    m_readOnly = readOnly;
+
     const bool enabled = !readOnly;
     m_ui->foregroundLabel->setEnabled(enabled);
     m_ui->foregroundToolButton->setEnabled(enabled);
@@ -216,7 +222,9 @@ void ColorSchemeEdit::updateControls()
     m_ui->foregroundToolButton->setStyleSheet(colorButtonStyleSheet(format.foreground()));
     m_ui->backgroundToolButton->setStyleSheet(colorButtonStyleSheet(format.background()));
 
-    m_ui->eraseBackgroundToolButton->setEnabled(m_curItem > 0 && format.background().isValid());
+    m_ui->eraseBackgroundToolButton->setEnabled(!m_readOnly
+                                                && m_curItem > 0
+                                                && format.background().isValid());
 
     const bool boldBlocked = m_ui->boldCheckBox->blockSignals(true);
     m_ui->boldCheckBox->setChecked(format.bold());
diff --git a/src/plugins/texteditor/colorschemeedit.h b/src/plugins/texteditor/colorschemeedit.h
index b0c57784298..98d9829e56c 100644
--- a/src/plugins/texteditor/colorschemeedit.h
+++ b/src/plugins/texteditor/colorschemeedit.h
@@ -82,6 +82,7 @@ private:
     int m_curItem;
     Ui::ColorSchemeEdit *m_ui;
     FormatsModel *m_formatsModel;
+    bool m_readOnly;
 };