From 4e1835b80d41e2d578de1eb2de593f2e1f45d657 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Mon, 17 Dec 2018 08:30:28 +0100
Subject: [PATCH] Overlay progress bar

---
 src/blackgui/overlaymessages.cpp | 29 +++++++++++++++++++++++++++++
 src/blackgui/overlaymessages.h   |  6 ++++++
 src/blackgui/overlaymessages.ui  | 32 +++++++++++++++++++++++++++++++-
 3 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/src/blackgui/overlaymessages.cpp b/src/blackgui/overlaymessages.cpp
index d1357bf89..f43a4434a 100644
--- a/src/blackgui/overlaymessages.cpp
+++ b/src/blackgui/overlaymessages.cpp
@@ -351,6 +351,28 @@ namespace BlackGui
         this->display(timeOutMs);
     }
 
+    void COverlayMessages::showProgressBar(int percentage, const QString &message, int timeOutMs)
+    {
+        if (message.isEmpty()) { return; }
+        if (!sGui || sGui->isShuttingDown()) { return; }
+        if (this->hasPendingConfirmation())  { return; } // ignore if something else is pending
+
+        const int p = qMax(qMin(percentage, 100), 0);
+
+        ui->pb_ProgressBar->setValue(p);
+        ui->lbl_ProgressBar->setText(message);
+        this->setModeToProgressBar();
+
+        if (p >= 100)
+        {
+            this->close();
+        }
+        else
+        {
+            this->display(timeOutMs);
+        }
+    }
+
     void COverlayMessages::showKillButton(bool killButton)
     {
         m_hasKillButton = killButton;
@@ -385,6 +407,13 @@ namespace BlackGui
         this->setHeader("Message");
     }
 
+    void COverlayMessages::setModeToProgressBar(bool withKillButton)
+    {
+        ui->sw_StatusMessagesComponent->setCurrentWidget(ui->pg_ProgressBar);
+        this->showKill(withKillButton);
+        this->setHeader("Progress bar");
+    }
+
     void COverlayMessages::setModeToTextMessage()
     {
         ui->sw_StatusMessagesComponent->setCurrentWidget(ui->pg_TextMessage);
diff --git a/src/blackgui/overlaymessages.h b/src/blackgui/overlaymessages.h
index 96d1b1f5c..53e30961b 100644
--- a/src/blackgui/overlaymessages.h
+++ b/src/blackgui/overlaymessages.h
@@ -65,6 +65,9 @@ namespace BlackGui
         //! HTML message mode
         void setModeToHTMLMessage(bool withKillButton = false);
 
+        //! Progress bar
+        void setModeToProgressBar(bool withKillButton = false);
+
         //! Single Text message mode
         void setModeToTextMessage();
 
@@ -116,6 +119,9 @@ namespace BlackGui
         //! HTML message
         void showHTMLMessage(const BlackMisc::CStatusMessage &message, int timeOutMs = -1);
 
+        //! Progress bar
+        void showProgressBar(int percentage, const QString &message, int timeOutMs = -1);
+
         //! Allows to globally enable/disable kill button
         void showKillButton(bool killButton);
 
diff --git a/src/blackgui/overlaymessages.ui b/src/blackgui/overlaymessages.ui
index 9e167075b..23f872b31 100644
--- a/src/blackgui/overlaymessages.ui
+++ b/src/blackgui/overlaymessages.ui
@@ -113,7 +113,7 @@
       <item>
        <widget class="QStackedWidget" name="sw_StatusMessagesComponent">
         <property name="currentIndex">
-         <number>6</number>
+         <number>0</number>
         </property>
         <widget class="QWidget" name="pg_StatusMessages">
          <layout class="QVBoxLayout" name="vl_PgStatusMessages">
@@ -340,6 +340,36 @@
           </item>
          </layout>
         </widget>
+        <widget class="QWidget" name="pg_ProgressBar">
+         <layout class="QVBoxLayout" name="verticalLayout_3">
+          <item alignment="Qt::AlignVCenter">
+           <widget class="QFrame" name="fr_PRogressBar">
+            <property name="frameShape">
+             <enum>QFrame::StyledPanel</enum>
+            </property>
+            <property name="frameShadow">
+             <enum>QFrame::Raised</enum>
+            </property>
+            <layout class="QVBoxLayout" name="vl_ProgressBar">
+             <item>
+              <widget class="QProgressBar" name="pb_ProgressBar">
+               <property name="value">
+                <number>10</number>
+               </property>
+              </widget>
+             </item>
+             <item alignment="Qt::AlignHCenter">
+              <widget class="QLabel" name="lbl_ProgressBar">
+               <property name="text">
+                <string>text will go here</string>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </widget>
+          </item>
+         </layout>
+        </widget>
        </widget>
       </item>
      </layout>