[Companion][ProgressWidget] Improve handling of showing/hiding details text; Speed up addMessage(); Adjust layout size policies.

companion/src/progresswidget.ui

@@ -25,7 +25,7 @@
     <height>0</height>
    </size>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout" stretch="0,0,1,0">
+  <layout class="QVBoxLayout" name="verticalLayout" stretch="0,0,1">
    <property name="spacing">
     <number>6</number>
    </property>
@@ -41,10 +41,10 @@
    <property name="bottomMargin">
     <number>0</number>
    </property>
-   <item>
+   <item alignment="Qt::AlignTop">
     <widget class="QLabel" name="info">
      <property name="sizePolicy">
-      <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+      <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
        <horstretch>0</horstretch>
        <verstretch>0</verstretch>
       </sizepolicy>
@@ -54,7 +54,7 @@
      </property>
     </widget>
    </item>
-   <item>
+   <item alignment="Qt::AlignTop">
     <widget class="QWidget" name="widget" native="true">
      <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,0">
       <property name="spacing">
@@ -75,7 +75,7 @@
       <item>
        <widget class="QProgressBar" name="progressBar">
         <property name="sizePolicy">
-         <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+         <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
           <horstretch>0</horstretch>
           <verstretch>0</verstretch>
          </sizepolicy>
@@ -107,17 +107,11 @@
       <bool>true</bool>
      </property>
      <property name="sizePolicy">
-      <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+      <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
        <horstretch>0</horstretch>
        <verstretch>0</verstretch>
       </sizepolicy>
      </property>
-     <property name="minimumSize">
-      <size>
-       <width>0</width>
-       <height>350</height>
-      </size>
-     </property>
      <property name="font">
       <font>
        <family>Courier</family>
@@ -145,19 +139,6 @@ p, li { white-space: pre-wrap; }
      </property>
     </widget>
    </item>
-   <item>
-    <spacer name="verticalSpacer">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
-     </property>
-     <property name="sizeHint" stdset="0">
-      <size>
-       <width>20</width>
-       <height>0</height>
-      </size>
-     </property>
-    </spacer>
-   </item>
   </layout>
  </widget>
  <resources/>