refs #335, style sheet fixes / improvements and support methods

style sheets:
* style sheets with background textures
* scroll area / toolbox style sheet fix
* floating dock widgets
* kept 1st version of stylesheets in backup directory
* removed maininfoarea stylesheet, no longer needed with fixed style sheet

code
* central paintEvent method to enable style sheets in derived widgets
* detect frameless windows, dynamic properties

src/blackgui/components/flightplancomponent.cpp

@@ -8,6 +8,7 @@
  */
 
 #include "flightplancomponent.h"
+#include "../stylesheetutility.h"
 #include "ui_flightplancomponent.h"
 #include "blackmisc/logmessage.h"
 #include "blackcore/context_network.h"
@@ -16,6 +17,7 @@
 using namespace BlackMisc;
 using namespace BlackMisc::Aviation;
 using namespace BlackMisc::PhysicalQuantities;
+using namespace BlackGui;
 
 namespace BlackGui
 {
@@ -25,6 +27,8 @@ namespace BlackGui
             QTabWidget(parent), CRuntimeBasedComponent(nullptr, false), ui(new Ui::CFlightPlanComponent)
         {
             ui->setupUi(this);
+
+            // fix style
             this->tabBar()->setExpanding(false);
 
             connect(this->ui->pb_Send, &QPushButton::pressed, this, &CFlightPlanComponent::sendFlightPlan);

src/blackgui/components/infowindowcomponent.cpp

@@ -9,6 +9,7 @@
 
 #include "infowindowcomponent.h"
 #include "ui_infowindowcomponent.h"
+#include "../stylesheetutility.h"
 #include "blackmisc/icon.h"
 #include <QTimer>
 #include <QDesktopWidget>
@@ -16,6 +17,7 @@
 using namespace BlackMisc;
 using namespace BlackMisc::Network;
 
+
 namespace BlackGui
 {
     namespace Components
@@ -31,8 +33,11 @@ namespace BlackGui
             this->hide();
             this->m_hideTimer = new QTimer(this);
             this->m_hideTimer->setSingleShot(true);
+            this->onStyleSheetsChanged();
+
             connect(this->m_hideTimer, &QTimer::timeout, this, &CInfoWindowComponent::hide);
             connect(this->ui->pb_Close, &QPushButton::pressed, this, &CInfoWindowComponent::hide);
+            connect(&CStyleSheetUtility::instance(), &CStyleSheetUtility::styleSheetsChanged, this, &CInfoWindowComponent::onStyleSheetsChanged);
         }
 
         /*
@@ -145,5 +150,14 @@ namespace BlackGui
         {
             this->ui->sw_DifferentModes->setCurrentWidget(widget);
         }
+
+        /*
+         * Style sheet changed
+         */
+        void CInfoWindowComponent::onStyleSheetsChanged()
+        {
+            QString st = CStyleSheetUtility::instance().style(CStyleSheetUtility::fileNameInfoWindow());
+            this->setStyleSheet(st);
+        }
     }
 } // namespace

src/blackgui/components/infowindowcomponent.h

@@ -68,6 +68,10 @@ namespace BlackGui
 
             //! Current page
             void setCurrentPage(QWidget *widget);
+
+        private slots:
+            //! Style sheet changed
+            void onStyleSheetsChanged();
         };
     }
 }

src/blackgui/components/infowindowcomponent.ui

@@ -14,37 +14,7 @@
    <string>WizardPage</string>
   </property>
   <property name="styleSheet">
-   <string notr="true">QFrame#fr_InfoWindow {
-	border-style: solid;
-	border-width: 2px;
-	border-radius: 10px;
-	border-color: white;
-}
-
-QStackedWidget {
-	font-family: arial-rounded;
-	font: bold 10px;
-	color: white; /** font not in text edit **/
-}
-
-QPushButton {
-	background-color: transparent;
-	border-style: solid;
-	border-width: 0px;
-	border-radius:3px;
-	border-color: green;
-    max-height:20px;
-}
-
-QTextEdit {
-	background-color: rgba(255, 255, 0, 240); /* transparent yellow */
-	border-style: solid;
-	border-width:1px;
-	border-radius:6px;
-	border-color: green;
-	opacity: 0.5;
-	color: black; /** font **/
-}</string>
+   <string notr="true"/>
   </property>
   <property name="title">
    <string>Information</string>
@@ -107,8 +77,8 @@ QTextEdit {
          <string/>
         </property>
         <property name="icon">
-         <iconset>
-          <normaloff>:/blackgui/icons/close.png</normaloff>:/blackgui/icons/close.png</iconset>
+         <iconset resource="../../blackmisc/blackmisc.qrc">
+          <normaloff>:/diagona/icons/diagona/icons/cross-button.png</normaloff>:/diagona/icons/diagona/icons/cross-button.png</iconset>
         </property>
        </widget>
       </item>
@@ -240,6 +210,8 @@ QTextEdit {
    </item>
   </layout>
  </widget>
- <resources/>
+ <resources>
+  <include location="../../blackmisc/blackmisc.qrc"/>
+ </resources>
  <connections/>
 </ui>

src/blackgui/components/logcomponent.cpp

@@ -9,6 +9,9 @@
 
 #include "logcomponent.h"
 #include "ui_logcomponent.h"
+#include "../stylesheetutility.h"
+
+using namespace BlackGui;
 
 namespace BlackGui
 {

src/blackgui/components/logcomponent.ui

@@ -38,8 +38,8 @@
    <property name="bottomMargin">
     <number>0</number>
    </property>
-   <property name="horizontalSpacing">
-    <number>3</number>
+   <property name="spacing">
+    <number>0</number>
    </property>
    <item row="0" column="0">
     <widget class="QToolBox" name="tb_StatusPage">
@@ -97,8 +97,8 @@
        <rect>
         <x>0</x>
         <y>0</y>
-        <width>98</width>
-        <height>71</height>
+        <width>398</width>
+        <height>250</height>
        </rect>
       </property>
       <attribute name="label">