Allow render without saving. (#360)

stuff/profiles/layouts/menubar.xml

@@ -13,6 +13,7 @@
     <item>MI_SaveLevelAs</item>
     <separator/>
     <item>MI_Render</item>
+    <item>MI_SaveAndRender</item>
     <separator/>
     <item>MI_ShortcutPopup</item> 
     <separator/>

stuff/profiles/layouts/rooms/Default/menubar_template.xml

@@ -245,6 +245,7 @@
         <separator/>
         <command>MI_OutputSettings</command>
         <command>MI_Render</command>
+        <command>MI_SaveAndRender</command>
         <separator/>
         <command>MI_FastRender</command>
     </menu>

toonz/sources/toonz/mainwindow.cpp

@@ -1811,7 +1811,12 @@ void MainWindow::defineActions() {
       tr("Control the settings that will be used to preview the scene."));
   menuAct->setIcon(createQIcon("preview_settings"));
   menuAct = createMenuRenderAction(
-      MI_Render, tr("&Save and Render"), "Ctrl+Shift+R",
+      MI_Render, tr("&Render"), "Ctrl+Shift+R",
+      tr("Renders according to the settings and "
+         "location set in Output Settings."));
+  menuAct->setIcon(createQIcon("render"));
+  menuAct = createMenuRenderAction(
+      MI_SaveAndRender, tr("&Save and Render"), "",
       tr("Saves the current scene and renders according to the settings and "
          "location set in Output Settings."));
   menuAct->setIcon(createQIcon("render"));

toonz/sources/toonz/menubar.cpp

@@ -622,7 +622,7 @@ QMenuBar *StackedMenuBar::createFullMenuBar() {
   addMenuItem(renderMenu, MI_SavePreviewedFrames);
   renderMenu->addSeparator();
   addMenuItem(renderMenu, MI_OutputSettings);
-  addMenuItem(renderMenu, MI_Render);
+  addMenuItem(renderMenu, MI_SaveAndRender);
   renderMenu->addSeparator();
   addMenuItem(renderMenu, MI_FastRender);
 

toonz/sources/toonz/menubarcommandids.h

@@ -48,6 +48,7 @@
 #define MI_OutputSettings "MI_OutputSettings"
 #define MI_PreviewSettings "MI_PreviewSettings"
 #define MI_Render "MI_Render"
+#define MI_SaveAndRender "MI_SaveAndRender"
 #define MI_FastRender "MI_FastRender"
 #define MI_Preview "MI_Preview"
 #define MI_SoundTrack "MI_SoundTrack"

toonz/sources/toonz/outputsettingspopup.cpp

@@ -222,14 +222,20 @@ OutputSettingsPopup::OutputSettingsPopup(bool isPreview)
   QPushButton *removePresetButton         = NULL;
 
   m_dominantFieldOm = 0;
-  m_renderButton    = new QPushButton(tr("Save and Render"), this);
-  if (isPreview) m_renderButton->setText("Preview");
+  m_renderButton    = new QPushButton(tr("Render"), this);
+  m_saveAndRenderButton    = new QPushButton(tr("Save and Render"), this);
+  if (isPreview) {
+      m_renderButton->setText("Preview");
+      m_saveAndRenderButton->hide();
+  }
   if (!isPreview) {
     showOtherSettingsButton = new QPushButton("", this);
     otherSettingsLabel      = new QLabel(tr("Other Settings"), this);
     otherSettingsFrame      = new QFrame(this);
     m_renderButton->setIcon(createQIcon("render"));
     m_renderButton->setIconSize(QSize(20, 20));
+    m_saveAndRenderButton->setIcon(createQIcon("render"));
+    m_saveAndRenderButton->setIconSize(QSize(20, 20));
 
     // Board
     m_addBoard         = new DVGui::CheckBox(tr("Add Clapperboard"), this);
@@ -612,7 +618,10 @@ OutputSettingsPopup::OutputSettingsPopup(bool isPreview)
     advancedSettingsBox->setLayout(fileSetBoxLay);
     m_topLayout->addWidget(advancedSettingsBox, 0);
 
-    m_topLayout->addWidget(m_renderButton);
+    QHBoxLayout* renderButtonLayout = new QHBoxLayout(this);
+    renderButtonLayout->addWidget(m_renderButton);
+    renderButtonLayout->addWidget(m_saveAndRenderButton);
+    m_topLayout->addLayout(renderButtonLayout);
     m_topLayout->addStretch(1);
   }
 
@@ -632,6 +641,8 @@ OutputSettingsPopup::OutputSettingsPopup(bool isPreview)
   }
   ret = ret && connect(m_renderButton, SIGNAL(pressed()), this,
                        SLOT(onRenderClicked()));
+  ret = ret && connect(m_saveAndRenderButton, SIGNAL(pressed()), this,
+      SLOT(onSaveAndRenderClicked()));
   ret = ret &&
         connect(m_outputCameraOm, SIGNAL(currentIndexChanged(const QString &)),
                 SLOT(onCameraChanged(const QString &)));
@@ -790,6 +801,12 @@ void OutputSettingsPopup::onRenderClicked() {
 
 //-----------------------------------------------------------------------------
 
+void OutputSettingsPopup::onSaveAndRenderClicked() {
+   CommandManager::instance()->execute("MI_SaveAndRender");
+}
+
+//-----------------------------------------------------------------------------
+
 /*!	Update all field value take care current scene output properties.
 */
 void OutputSettingsPopup::updateField() {

toonz/sources/toonz/outputsettingspopup.h

@@ -50,6 +50,7 @@ class OutputSettingsPopup : public DVGui::Dialog {
   DVGui::DoubleLineEdit *m_frameRateFld;
   QPushButton *m_fileFormatButton;
   QPushButton *m_renderButton;
+  QPushButton *m_saveAndRenderButton;
   CameraSettingsPopup *m_cameraSettings;
   QComboBox *m_presetCombo;
 
@@ -94,6 +95,7 @@ protected slots:
   void onStereoChecked(int);
   void onStereoChanged();
   void onRenderClicked();
+  void onSaveAndRenderClicked();
 
   /*-- OutputSettingsのPreset登録/削除/選択 --*/
   void onAddPresetButtonPressed();

toonz/sources/toonz/rendercommand.cpp

@@ -174,6 +174,7 @@ public:
       , m_timeStretchFactor(1)
       , m_multimediaRender(0) {
     setCommandHandler("MI_Render", this, &RenderCommand::onRender);
+    setCommandHandler("MI_SaveAndRender", this, &RenderCommand::onSaveAndRender);
     setCommandHandler("MI_FastRender", this, &RenderCommand::onFastRender);
     setCommandHandler("MI_Preview", this, &RenderCommand::onPreview);
   }
@@ -182,6 +183,7 @@ public:
   void rasterRender(bool isPreview);
   void multimediaRender();
   void onRender();
+  void onSaveAndRender();
   void onFastRender();
   void onPreview();
   static void resetBgColor();
@@ -747,14 +749,22 @@ void RenderCommand::multimediaRender() {
 //===================================================================
 
 void RenderCommand::onRender() {
-  bool saved = false;
-  saved      = IoCmd::saveAll();
-  if (!saved) {
-    return;
-  }
   doRender(false);
 }
 
+//===================================================================
+
+void RenderCommand::onSaveAndRender() {
+    bool saved = false;
+    saved = IoCmd::saveAll();
+    if (!saved) {
+        return;
+    }
+    doRender(false);
+}
+
+//===================================================================
+
 void RenderCommand::onFastRender() {
   TOutputProperties *prop = TApp::instance()
                                 ->getCurrentScene()
@@ -787,6 +797,8 @@ void RenderCommand::onFastRender() {
   prop->setPath(currPath);
 }
 
+//---------------------------------------------------------
+
 void RenderCommand::onPreview() { doRender(true); }
 
 //---------------------------------------------------------