From 767d23b987f457f215c1ce550cf0d2e384162f7c Mon Sep 17 00:00:00 2001
From: Arne Schmidt <schmidt.arne@posteo.de>
Date: Thu, 1 Mar 2018 01:26:51 +0100
Subject: [PATCH] random shapecolor with toggle in settings dialog

---
 src/Gui/ViewProviderGeometryObject.cpp      | 16 +++++++++--
 src/Mod/Part/Gui/DlgSettingsObjectColor.cpp |  3 ++
 src/Mod/Part/Gui/DlgSettingsObjectColor.ui  | 31 ++++++++++++++++++++-
 3 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/src/Gui/ViewProviderGeometryObject.cpp b/src/Gui/ViewProviderGeometryObject.cpp
index 96ae294826..f71911c01c 100644
--- a/src/Gui/ViewProviderGeometryObject.cpp
+++ b/src/Gui/ViewProviderGeometryObject.cpp
@@ -77,9 +77,21 @@ const App::PropertyIntegerConstraint::Constraints intPercent = {0,100,1};
 ViewProviderGeometryObject::ViewProviderGeometryObject() : pcBoundSwitch(0),pcBoundColor(0)
 {
     ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
-    unsigned long shcol = hGrp->GetUnsigned("DefaultShapeColor",3435973887UL); // light gray (204,204,204)
+    bool randomColor = hGrp->GetBool("randomColor", true);
     float r,g,b;
-    r = ((shcol >> 24) & 0xff) / 255.0; g = ((shcol >> 16) & 0xff) / 255.0; b = ((shcol >> 8) & 0xff) / 255.0;
+    if(randomColor){ // random box checked
+        float fMax = (float)RAND_MAX;
+        r = (float)rand()/fMax;
+        g = (float)rand()/fMax;
+        b = (float)rand()/fMax;
+    }
+    else {
+        unsigned long shcol = hGrp->GetUnsigned("DefaultShapeColor",3435973887UL); // light gray (204,204,204)
+        r = ((shcol >> 24) & 0xff) / 255.0; 
+        g = ((shcol >> 16) & 0xff) / 255.0; 
+        b = ((shcol >> 8) & 0xff) / 255.0;
+    }
+
     ADD_PROPERTY(ShapeColor,(r, g, b));
     ADD_PROPERTY(Transparency,(0));
     Transparency.setConstraints(&intPercent);
diff --git a/src/Mod/Part/Gui/DlgSettingsObjectColor.cpp b/src/Mod/Part/Gui/DlgSettingsObjectColor.cpp
index 31092d00b0..5fa55e98ab 100644
--- a/src/Mod/Part/Gui/DlgSettingsObjectColor.cpp
+++ b/src/Mod/Part/Gui/DlgSettingsObjectColor.cpp
@@ -41,6 +41,7 @@ DlgSettingsObjectColor::DlgSettingsObjectColor(QWidget* parent)
     : PreferencePage(parent)
 {
     this->setupUi(this);
+    this->DefaultShapeColor->setDisabled(this->checkRandomColor->isChecked());
 }
 
 /** 
@@ -55,6 +56,7 @@ void DlgSettingsObjectColor::saveSettings()
 {
     // Part
     DefaultShapeColor->onSave();
+    checkRandomColor->onSave();
     DefaultShapeLineColor->onSave();
     DefaultShapeLineWidth->onSave();
     DefaultShapeVertexColor->onSave();
@@ -68,6 +70,7 @@ void DlgSettingsObjectColor::loadSettings()
 {
     // Part
     DefaultShapeColor->onRestore();
+    checkRandomColor->onRestore();
     DefaultShapeLineColor->onRestore();
     DefaultShapeLineWidth->onRestore();
     DefaultShapeVertexColor->onRestore();
diff --git a/src/Mod/Part/Gui/DlgSettingsObjectColor.ui b/src/Mod/Part/Gui/DlgSettingsObjectColor.ui
index 3bbf5d1030..cfe4124ad6 100644
--- a/src/Mod/Part/Gui/DlgSettingsObjectColor.ui
+++ b/src/Mod/Part/Gui/DlgSettingsObjectColor.ui
@@ -292,6 +292,22 @@
     </widget>
    </item>
    <item>
+    <item row="0" column="2">
+       <widget class="Gui::PrefCheckBox" name="checkRandomColor">
+        <property name="text">
+         <string>random shapecolor</string>
+        </property>
+        <property name="prefEntry" stdset="0">
+         <cstring>randomColor</cstring>
+        </property>
+        <property name="prefPath" stdset="0">
+         <cstring>View</cstring>
+        </property>
+       </widget>
+        </item>
+       </layout>
+      </item>
+    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">
       <enum>Qt::Vertical</enum>
@@ -322,13 +338,26 @@
    <extends>Gui::ColorButton</extends>
    <header>Gui/PrefWidgets.h</header>
   </customwidget>
+  <customwidget>
+   <class>Gui::PrefCheckBox</class>
+   <extends>QCheckBox</extends>
+   <header>Gui/PrefWidgets.h</header>
+  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>DefaultShapeColor</tabstop>
+  <tabstop>checkRandomColor</tabstop>
   <tabstop>DefaultShapeLineWidth</tabstop>
   <tabstop>DefaultShapeLineColor</tabstop>
   <tabstop>BoundingBoxColor</tabstop>
  </tabstops>
  <resources/>
- <connections/>
+  <connections>
+  <connection>
+   <sender>checkRandomColor</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>DefaultShapeColor</receiver>
+   <slot>setDisabled(bool)</slot>
+  </connection>
+</connections>
 </ui>