From 8cb25f9e3e1afcc1ccfa17966cdcc31a95c02289 Mon Sep 17 00:00:00 2001
From: Eike Ziller <eike.ziller@digia.com>
Date: Thu, 5 Jun 2014 08:27:17 +0200
Subject: VariableChooser: Add support for (plain) text edits

Task-number: QTCREATORBUG-4309
Change-Id: I3d81244fe380bdf79e108f41c2c06df88b116137
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
---
 src/plugins/coreplugin/variablechooser.cpp | 29 +++++++++++++++++++++++------
 src/plugins/coreplugin/variablechooser.h   |  1 +
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/plugins/coreplugin/variablechooser.cpp b/src/plugins/coreplugin/variablechooser.cpp
index 75326df5a7..fc49594093 100644
--- a/src/plugins/coreplugin/variablechooser.cpp
+++ b/src/plugins/coreplugin/variablechooser.cpp
@@ -173,6 +173,7 @@ void VariableChooser::updateCurrentEditor(QWidget *old, QWidget *widget)
         return;
     widget->installEventFilter(this); // for intercepting escape key presses
     QLineEdit *previousLineEdit = m_lineEdit;
+    QWidget *previousWidget = currentWidget();
     m_lineEdit = 0;
     m_textEdit = 0;
     m_plainTextEdit = 0;
@@ -187,23 +188,27 @@ void VariableChooser::updateCurrentEditor(QWidget *old, QWidget *widget)
         m_plainTextEdit = (supportsVariables ? plainTextEdit : 0);
     if (!(m_lineEdit || m_textEdit || m_plainTextEdit))
         hide();
-    if (m_lineEdit != previousLineEdit) {
+
+    QWidget *current = currentWidget();
+    if (current != previousWidget) {
         if (previousLineEdit)
             previousLineEdit->setTextMargins(0, 0, 0, 0);
         if (m_iconButton) {
             m_iconButton->hide();
             m_iconButton->setParent(0);
         }
-        if (m_lineEdit) {
+        if (current) {
             if (!m_iconButton)
                 createIconButton();
             int margin = m_iconButton->pixmap().width() + 8;
             if (style()->inherits("OxygenStyle"))
                 margin = qMax(24, margin);
-            m_lineEdit->setTextMargins(0, 0, margin, 0);
-            m_iconButton->setParent(m_lineEdit);
-            m_iconButton->setGeometry(m_lineEdit->rect().adjusted(
-                                          m_lineEdit->width() - (margin + 4), 0, 0, 0));
+            if (m_lineEdit)
+                m_lineEdit->setTextMargins(0, 0, margin, 0);
+            m_iconButton->setParent(current);
+            m_iconButton->setGeometry(current->rect().adjusted(
+                                          current->width() - (margin + 4), 0,
+                                          0, -qMax(0, current->height() - (margin + 4))));
             m_iconButton->show();
         }
     }
@@ -235,6 +240,18 @@ void VariableChooser::updatePositionAndShow()
     activateWindow();
 }
 
+/*!
+ * \internal
+ */
+QWidget *VariableChooser::currentWidget()
+{
+    if (m_lineEdit)
+        return m_lineEdit;
+    if (m_textEdit)
+        return m_textEdit;
+    return m_plainTextEdit;
+}
+
 /*!
  * \internal
  */
diff --git a/src/plugins/coreplugin/variablechooser.h b/src/plugins/coreplugin/variablechooser.h
index e314b19f53..d8f76d8a14 100644
--- a/src/plugins/coreplugin/variablechooser.h
+++ b/src/plugins/coreplugin/variablechooser.h
@@ -71,6 +71,7 @@ private slots:
     void updatePositionAndShow();
 
 private:
+    QWidget *currentWidget();
     void createIconButton();
 
     Internal::Ui::VariableChooser *ui;
-- 
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