[Render widget] add clickable link to edit metadata, display them in tooltip.

Fixes #1523

src/dialogs/renderwidget.cpp

@@ -12,6 +12,7 @@
 #include "dialogs/renderpresetdialog.h"
 #include "doc/kdenlivedoc.h"
 #include "kdenlivesettings.h"
+#include "mainwindow.h"
 #include "monitor/monitor.h"
 #include "profiles/profilemodel.hpp"
 #include "profiles/profilerepository.hpp"
@@ -243,6 +244,8 @@ RenderWidget::RenderWidget(bool enableProxy, QWidget *parent)
 
     connect(m_view.buttonRender, &QAbstractButton::clicked, this, [&]() { slotPrepareExport(); });
     connect(m_view.buttonGenerateScript, &QAbstractButton::clicked, this, [&]() { slotPrepareExport(true); });
+    updateMetadataToolTip();
+    connect(m_view.edit_metadata, &QLabel::linkActivated, []() { pCore->window()->slotEditProjectSettings(2); });
 
     m_view.infoMessage->hide();
     m_view.jobInfo->hide();
@@ -2102,3 +2105,16 @@ void RenderWidget::resetRenderPath(const QString &path)
     renderProps.insert(QStringLiteral("renderurl"), url);
     emit selectedRenderProfile(renderProps);
 }
+
+void RenderWidget::updateMetadataToolTip()
+{
+    QString tipText;
+    QMapIterator<QString, QString> i(pCore->currentDoc()->metadata());
+    while (i.hasNext()) {
+        i.next();
+        QString metaName = i.key().section(QLatin1Char('.'), 2, 2);
+        metaName[0] = metaName[0].toUpper();
+        tipText.append(QString("%1: <b>%2</b><br/>").arg(metaName, i.value()));
+    }
+    m_view.edit_metadata->setToolTip(tipText);
+}

src/dialogs/renderwidget.h

@@ -146,7 +146,9 @@ public slots:
     void reloadGuides();
     /** @brief Adjust render file name to current project name. */
     void resetRenderPath(const QString &path);
-    
+    /** @brief Update metadata tooltip with current values. */
+    void updateMetadataToolTip();
+
 private slots:
     /**
      * Will be called when the user selects an output file via the file dialog.

src/mainwindow.cpp

@@ -1981,13 +1981,16 @@ void MainWindow::slotRefreshProfiles()
     }
 }
 
-void MainWindow::slotEditProjectSettings()
+void MainWindow::slotEditProjectSettings(int ix)
 {
     KdenliveDoc *project = pCore->currentDoc();
     QPair<int, int> p = getMainTimeline()->getTracksCount();
     int channels = project->getDocumentProperty(QStringLiteral("audioChannels"), QStringLiteral("2")).toInt();
     ProjectSettings *w = new ProjectSettings(project, project->metadata(), getMainTimeline()->controller()->extractCompositionLumas(), p.first, p.second,
                                              channels, project->projectTempFolder(), true, !project->isModified(), this);
+    if (ix > 0) {
+        w->tabWidget->setCurrentIndex(ix);
+    }
     connect(w, &ProjectSettings::disableProxies, this, &MainWindow::slotDisableProxies);
     // connect(w, SIGNAL(disablePreview()), pCore->projectManager()->currentTimeline(), SLOT(invalidateRange()));
     connect(w, &ProjectSettings::refreshProfiles, this, &MainWindow::slotRefreshProfiles);
@@ -2068,6 +2071,9 @@ void MainWindow::slotEditProjectSettings()
         }
         if (w->metadata() != project->metadata()) {
             project->setMetadata(w->metadata());
+            if (m_renderWidget) {
+                m_renderWidget->updateMetadataToolTip();
+            }
         }
         QString newProjectFolder = w->storageFolder();
 
@@ -2339,6 +2345,7 @@ void MainWindow::connectDocument()
         m_renderWidget->setGuides(pCore->currentDoc()->getGuideModel());
         m_renderWidget->updateDocumentPath();
         m_renderWidget->setRenderProfile(project->getRenderProperties());
+        m_renderWidget->updateMetadataToolTip();
     }
     m_zoomSlider->setValue(project->zoom().x());
     m_commandStack->setActiveStack(project->commandStack().get());

src/mainwindow.h

@@ -351,6 +351,7 @@ public slots:
     void slotUpdateProjectDuration(int pos);
     /** @brief Remove all unused clips from the project. */
     void slotCleanProject();
+    void slotEditProjectSettings(int ix = 0);
 
 private slots:
     /** @brief Shows the shortcut dialog. */
@@ -360,7 +361,6 @@ private slots:
     void updateConfiguration();
     void slotConnectMonitors();
     void slotUpdateMousePosition(int pos, int duration = -1);
-    void slotEditProjectSettings();
     void slotSwitchMarkersComments();
     void slotSwitchSnap();
     void slotShowTimelineTags();

src/ui/renderwidget_ui.ui

@@ -42,6 +42,18 @@
        <item>
         <widget class="QFrame" name="baseGroup">
          <layout class="QGridLayout" name="gridLayout_2">
+          <property name="leftMargin">
+           <number>0</number>
+          </property>
+          <property name="topMargin">
+           <number>0</number>
+          </property>
+          <property name="rightMargin">
+           <number>0</number>
+          </property>
+          <property name="bottomMargin">
+           <number>0</number>
+          </property>
           <item row="8" column="0">
            <widget class="KMessageWidget" name="infoMessage">
             <property name="wordWrap">
@@ -444,11 +456,23 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>313</width>
-            <height>952</height>
+            <width>324</width>
+            <height>924</height>
            </rect>
           </property>
-          <layout class="QVBoxLayout" name="verticalLayout_4">
+          <layout class="QVBoxLayout" name="verticalLayout">
+           <property name="leftMargin">
+            <number>0</number>
+           </property>
+           <property name="topMargin">
+            <number>0</number>
+           </property>
+           <property name="rightMargin">
+            <number>0</number>
+           </property>
+           <property name="bottomMargin">
+            <number>0</number>
+           </property>
            <item>
             <widget class="QGroupBox" name="video_box">
              <property name="title">
@@ -777,11 +801,35 @@
             </widget>
            </item>
            <item>
-            <widget class="QCheckBox" name="export_meta">
-             <property name="text">
-              <string>Export metadata</string>
-             </property>
-            </widget>
+            <layout class="QHBoxLayout" name="horizontalLayout_4">
+             <item>
+              <widget class="QCheckBox" name="export_meta">
+               <property name="text">
+                <string>Export metadata</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLabel" name="edit_metadata">
+               <property name="text">
+                <string>&lt;a href=&quot;#&quot;&gt;Edit metadata&lt;/a&gt;</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <spacer name="horizontalSpacer">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+            </layout>
            </item>
            <item>
             <widget class="QCheckBox" name="embed_subtitles">