Add 'capture frame immediately' button

* This should be more obvious especially on e.g. android where there's no
  overlay and key shortcut.

qrenderdoc/Windows/Dialogs/LiveCapture.cpp

@@ -119,7 +119,8 @@ LiveCapture::LiveCapture(ICaptureContext &ctx, const QString &hostname, const QS
 
   ui->apiIcon->setVisible(false);
 
-  ui->triggerCapture->setEnabled(false);
+  ui->triggerDelayedCapture->setEnabled(false);
+  ui->triggerImmediateCapture->setEnabled(false);
   ui->queueCap->setEnabled(false);
 
   ui->target->setText(QString());
@@ -275,19 +276,24 @@ void LiveCapture::on_queueCap_clicked()
   m_QueueCapture = true;
 }
 
-void LiveCapture::on_triggerCapture_clicked()
+void LiveCapture::on_triggerImmediateCapture_clicked()
+{
+  m_TriggerCapture = true;
+  m_CaptureNumFrames = (int)ui->numFrames->value();
+}
+
+void LiveCapture::on_triggerDelayedCapture_clicked()
 {
   if(ui->captureDelay->value() == 0.0)
   {
-    m_TriggerCapture = true;
-    m_CaptureNumFrames = (int)ui->numFrames->value();
+    on_triggerImmediateCapture_clicked();
   }
   else
   {
     m_CaptureCounter = (int)ui->captureDelay->value();
     countdownTimer.start();
-    ui->triggerCapture->setEnabled(false);
-    ui->triggerCapture->setText(tr("Triggering in %1s").arg(m_CaptureCounter));
+    ui->triggerDelayedCapture->setEnabled(false);
+    ui->triggerDelayedCapture->setText(tr("Triggering in %1s").arg(m_CaptureCounter));
   }
 }
 
@@ -479,13 +485,13 @@ void LiveCapture::captureCountdownTick()
   {
     m_TriggerCapture = true;
     m_CaptureNumFrames = (int)ui->numFrames->value();
-    ui->triggerCapture->setEnabled(true);
-    ui->triggerCapture->setText(tr("Trigger After Delay"));
+    ui->triggerDelayedCapture->setEnabled(true);
+    ui->triggerDelayedCapture->setText(tr("Trigger After Delay"));
   }
   else
   {
     countdownTimer.start();
-    ui->triggerCapture->setText(tr("Triggering in %1s").arg(m_CaptureCounter));
+    ui->triggerDelayedCapture->setText(tr("Triggering in %1s").arg(m_CaptureCounter));
   }
 }
 
@@ -1146,7 +1152,8 @@ void LiveCapture::connectionThreadEntry()
 
         if(presenting && supported)
         {
-          ui->triggerCapture->setEnabled(true);
+          ui->triggerImmediateCapture->setEnabled(true);
+          ui->triggerDelayedCapture->setEnabled(true);
           ui->queueCap->setEnabled(true);
         }
 
@@ -1225,7 +1232,8 @@ void LiveCapture::connectionThreadEntry()
     ui->numFrames->setEnabled(false);
     ui->captureDelay->setEnabled(false);
     ui->captureFrame->setEnabled(false);
-    ui->triggerCapture->setEnabled(false);
+    ui->triggerDelayedCapture->setEnabled(false);
+    ui->triggerImmediateCapture->setEnabled(false);
     ui->queueCap->setEnabled(false);
 
     ui->apiStatus->setText(tr("None"));

qrenderdoc/Windows/Dialogs/LiveCapture.h

@@ -69,7 +69,8 @@ private slots:
   void on_captures_mouseClicked(QMouseEvent *e);
   void on_captures_itemActivated(QListWidgetItem *item);
   void on_childProcesses_itemActivated(QListWidgetItem *item);
-  void on_triggerCapture_clicked();
+  void on_triggerImmediateCapture_clicked();
+  void on_triggerDelayedCapture_clicked();
   void on_queueCap_clicked();
   void on_previewSplit_splitterMoved(int pos, int index);
   void on_apiIcon_clicked(QMouseEvent *event);

qrenderdoc/Windows/Dialogs/LiveCapture.ui

@@ -190,7 +190,7 @@
          <string>Tools</string>
         </property>
         <layout class="QGridLayout" name="gridLayout_3">
-         <item row="1" column="0">
+         <item row="2" column="1">
           <widget class="QDoubleSpinBox" name="captureDelay">
            <property name="baseSize">
             <size>
@@ -212,7 +212,7 @@
            </property>
           </widget>
          </item>
-         <item row="2" column="0">
+         <item row="3" column="1">
           <widget class="QDoubleSpinBox" name="captureFrame">
            <property name="prefix">
             <string>Frame </string>
@@ -225,17 +225,17 @@
            </property>
           </widget>
          </item>
-         <item row="1" column="1">
-          <widget class="QPushButton" name="triggerCapture">
+         <item row="2" column="0">
+          <widget class="QPushButton" name="triggerDelayedCapture">
            <property name="text">
-            <string>Trigger After Delay</string>
+            <string>Capture After Delay:</string>
            </property>
           </widget>
          </item>
-         <item row="2" column="1">
+         <item row="3" column="0">
           <widget class="QPushButton" name="queueCap">
            <property name="text">
-            <string>Queue Specific Frame</string>
+            <string>Capture Specific Frame(s):</string>
            </property>
           </widget>
          </item>
@@ -267,7 +267,7 @@
            </property>
           </widget>
          </item>
-         <item row="3" column="0" colspan="2">
+         <item row="4" column="0" colspan="2">
           <spacer name="verticalSpacer">
            <property name="orientation">
             <enum>Qt::Vertical</enum>
@@ -280,6 +280,13 @@
            </property>
           </spacer>
          </item>
+         <item row="1" column="0" colspan="2">
+          <widget class="QPushButton" name="triggerImmediateCapture">
+           <property name="text">
+            <string>Capture Frame(s) Immediately</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </widget>
       </item>