From df5a2cb5fb22bc1ac80cfce61f245de95c629e28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20M=C3=B6bius?= <moebius@cs.rwth-aachen.de>
Date: Fri, 8 Mar 2013 15:07:13 +0000
Subject: [PATCH] Additional scipting function to jump out of loop

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@16489 383ad7c9-94d9-4d36-a494-682f7c89f535
---
 VsiMetadata/dialogs.xml | 22 ++++++++++++++++++++++
 vsiPlugin.cc            | 22 ++++++++++++++++++++++
 vsiPlugin.hh            | 38 +++++++++++++++++++++++++++++++++++++-
 3 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/VsiMetadata/dialogs.xml b/VsiMetadata/dialogs.xml
index 9e91c63..86c64fa 100644
--- a/VsiMetadata/dialogs.xml
+++ b/VsiMetadata/dialogs.xml
@@ -119,5 +119,27 @@
     </code>
   </element>
 
+  <element name="dialog_Continue_box">
+    <category>Widgets and UI</category>
+    <short>Continue box</short>
+    <long>Deliver true until the user clicks on the stop button</long>
+    <dataflow>true</dataflow>
+    <input name="message" type="String" external="false" runtime="false">
+      <short>Displayed message</short>
+      <long>Displayed message.</long>
+      <default>Stop?</default>
+    </input>
+    <outputs>
+      <output name="continue" type="Bool">
+        <short>continue</short>
+        <long>Delivers true until stop button is pressed.</long>
+      </output>
+    </outputs>
+    <code>
+      var dialog_stop_box_message = [input="message"];
+
+      [output="continue"] = visualscripting.continueBox(dialog_stop_box_message);
+    </code>
+  </element>
 
 </OpenFlipper>
diff --git a/vsiPlugin.cc b/vsiPlugin.cc
index dc2cae6..caf8112 100644
--- a/vsiPlugin.cc
+++ b/vsiPlugin.cc
@@ -257,4 +257,26 @@ bool VsiPlugin::questionBox (QString _message)
   return false;
 }
 
+/// Non blocking box which can be used inside scripting loops to stop on clicks
+bool VsiPlugin::continueBox (QString _message)
+{
+  static QContinueBox* msgBox = NULL;
+
+  if ( !msgBox ) {
+    msgBox = new QContinueBox(_message);
+    msgBox->show();
+  } else {
+
+    if ( msgBox->continueBox() ) {
+      return true;
+    } else {
+      delete msgBox;
+      msgBox = NULL;
+      return false;
+    }
+  }
+
+  return true;
+}
+
 //------------------------------------------------------------------------------
diff --git a/vsiPlugin.hh b/vsiPlugin.hh
index 92247cb..6d1f79a 100644
--- a/vsiPlugin.hh
+++ b/vsiPlugin.hh
@@ -109,6 +109,9 @@ class VsiPlugin : public QObject, BaseInterface, MenuInterface, ScriptInterface,
     /// Scripting function, that displays a Yes/No message box
     bool questionBox (QString _message);
 
+    /// Shows a non blocking stop box for use inside loops
+    bool continueBox(QString _message);
+
     QString version () { return QString("1.0"); };
 
   private slots:
@@ -133,8 +136,41 @@ class VsiPlugin : public QObject, BaseInterface, MenuInterface, ScriptInterface,
     VSI::BaseWidget *baseWidget_;
 };
 
+//=============================================================================
+
+class QContinueBox : public QWidget {
+  Q_OBJECT
+
+public:
+  QContinueBox(QString _message,QWidget* _parent = 0) :
+    QWidget(_parent),
+    continue_(true)
+  {
+    QPushButton* stopButton = new QPushButton("Stop",this);
+    QHBoxLayout* layout = new QHBoxLayout(this);
+
+    this->setWindowTitle(_message);
+
+    layout->addWidget(stopButton);
+    this->setLayout(layout);
+
+    connect(stopButton,SIGNAL(clicked()), this, SLOT(clicked()));
+  }
+
+public slots:
+  void clicked( ) {
+    continue_ = false;
+  }
+
+public:
+  bool continueBox() { return continue_; };
+
+private:
+  bool continue_;
+};
+
 
 //=============================================================================
 //=============================================================================
 
-#endif
\ No newline at end of file
+#endif
-- 
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