Support more commands without UI

- BackgroundFromLayer
- CelOpacity
- LayerFromBackground
- RemoveLayer

src/app/CMakeLists.txt

@@ -187,10 +187,8 @@ if(ENABLE_UI)
     commands/cmd_about.cpp
     commands/cmd_add_color.cpp
     commands/cmd_advanced_mode.cpp
-    commands/cmd_background_from_layer.cpp
     commands/cmd_cancel.cpp
     commands/cmd_canvas_size.cpp
-    commands/cmd_cel_opacity.cpp
     commands/cmd_cel_properties.cpp
     commands/cmd_change_brush.cpp
     commands/cmd_change_color.cpp
@@ -227,7 +225,6 @@ if(ENABLE_UI)
     commands/cmd_invert_mask.cpp
     commands/cmd_keyboard_shortcuts.cpp
     commands/cmd_launch.cpp
-    commands/cmd_layer_from_background.cpp
     commands/cmd_layer_lock.cpp
     commands/cmd_layer_opacity.cpp
     commands/cmd_layer_properties.cpp
@@ -261,7 +258,6 @@ if(ENABLE_UI)
     commands/cmd_refresh.cpp
     commands/cmd_remove_frame.cpp
     commands/cmd_remove_frame_tag.cpp
-    commands/cmd_remove_layer.cpp
     commands/cmd_remove_slice.cpp
     commands/cmd_repeat_last_export.cpp
     commands/cmd_reselect_mask.cpp
@@ -502,11 +498,15 @@ add_library(app-lib
   color.cpp
   color_picker.cpp
   color_utils.cpp
+  commands/cmd_background_from_layer.cpp
+  commands/cmd_cel_opacity.cpp
   commands/cmd_change_pixel_format.cpp
   commands/cmd_crop.cpp
+  commands/cmd_layer_from_background.cpp
   commands/cmd_load_palette.cpp
   commands/cmd_new_layer.cpp
   commands/cmd_open_file.cpp
+  commands/cmd_remove_layer.cpp
   commands/cmd_save_file.cpp
   commands/cmd_sprite_size.cpp
   commands/cmd_undo.cpp

src/app/commands/cmd_background_from_layer.cpp

@@ -59,7 +59,10 @@ void BackgroundFromLayerCommand::onExecute(Context* context)
     tx.commit();
   }
 
-  update_screen_for_document(document);
+#ifdef ENABLE_UI
+  if (context->isUIAvailable())
+    update_screen_for_document(document);
+#endif
 }
 
 Command* CommandFactory::createBackgroundFromLayerCommand()

src/app/commands/cmd_cel_opacity.cpp

@@ -75,7 +75,13 @@ void CelOpacityCommand::onExecute(Context* context)
     Tx tx(writer.context(), "Set Cel Opacity");
 
     // TODO the range of selected cels should be in app::Site.
-    DocRange range = App::instance()->timeline()->range();
+    DocRange range;
+
+#ifdef ENABLE_UI
+    if (context->isUIAvailable())
+      range = App::instance()->timeline()->range();
+#endif
+
     if (!range.enabled()) {
       range.startRange(layer, cel->frame(), DocRange::kCels);
       range.endRange(layer, cel->frame());
@@ -94,7 +100,10 @@ void CelOpacityCommand::onExecute(Context* context)
     tx.commit();
   }
 
-  update_screen_for_document(writer.document());
+#ifdef ENABLE_UI
+  if (context->isUIAvailable())
+    update_screen_for_document(writer.document());
+#endif
 }
 
 std::string CelOpacityCommand::onGetFriendlyName() const

src/app/commands/cmd_crop.cpp

@@ -78,7 +78,8 @@ void CropSpriteCommand::onExecute(Context* context)
   document->generateMaskBoundaries();
 
 #ifdef ENABLE_UI
-  update_screen_for_document(document);
+  if (context->isUIAvailable())
+    update_screen_for_document(document);
 #endif
 }
 
@@ -116,7 +117,8 @@ void AutocropSpriteCommand::onExecute(Context* context)
   document->generateMaskBoundaries();
 
 #ifdef ENABLE_UI
-  update_screen_for_document(document);
+  if (context->isUIAvailable())
+    update_screen_for_document(document);
 #endif
 }
 

src/app/commands/cmd_layer_from_background.cpp

@@ -56,7 +56,10 @@ void LayerFromBackgroundCommand::onExecute(Context* context)
     document->getApi(tx).layerFromBackground(writer.layer());
     tx.commit();
   }
-  update_screen_for_document(document);
+#ifdef ENABLE_UI
+  if (context->isUIAvailable())
+    update_screen_for_document(document);
+#endif
 }
 
 Command* CommandFactory::createLayerFromBackgroundCommand()

src/app/commands/cmd_new_layer.cpp

@@ -151,6 +151,7 @@ void NewLayerCommand::onExecute(Context* context)
       return;
   }
 
+#ifdef ENABLE_UI
   // If params specify to ask the user about the name...
   if (m_ask) {
     // We open the window to ask the name
@@ -163,6 +164,7 @@ void NewLayerCommand::onExecute(Context* context)
 
     name = window.name()->text();
   }
+#endif
 
   LayerGroup* parent = sprite->root();
   Layer* activeLayer = writer.layer();
@@ -320,6 +322,7 @@ void NewLayerCommand::onExecute(Context* context)
     tx.commit();
   }
 
+#ifdef ENABLE_UI
   if (context->isUIAvailable()) {
     update_screen_for_document(document);
 
@@ -331,6 +334,7 @@ void NewLayerCommand::onExecute(Context* context)
 
     App::instance()->mainWindow()->popTimeline();
   }
+#endif
 }
 
 std::string NewLayerCommand::onGetFriendlyName() const

src/app/commands/cmd_remove_layer.cpp

@@ -89,13 +89,18 @@ void RemoveLayerCommand::onExecute(Context* context)
 
     tx.commit();
   }
-  update_screen_for_document(document);
 
-  StatusBar::instance()->invalidate();
-  if (!layerName.empty())
-    StatusBar::instance()->showTip(1000, "Layer '%s' removed", layerName.c_str());
-  else
-    StatusBar::instance()->showTip(1000, "Layers removed");
+#ifdef ENABLE_UI
+  if (context->isUIAvailable()) {
+    update_screen_for_document(document);
+
+    StatusBar::instance()->invalidate();
+    if (!layerName.empty())
+      StatusBar::instance()->showTip(1000, "Layer '%s' removed", layerName.c_str());
+    else
+      StatusBar::instance()->showTip(1000, "Layers removed");
+  }
+#endif
 }
 
 Command* CommandFactory::createRemoveLayerCommand()

src/app/commands/commands_list.h

@@ -5,12 +5,16 @@
 // the End-User License Agreement for Aseprite.
 
 FOR_EACH_COMMAND(AutocropSprite)
+FOR_EACH_COMMAND(BackgroundFromLayer)
+FOR_EACH_COMMAND(CelOpacity)
 FOR_EACH_COMMAND(ChangePixelFormat)
 FOR_EACH_COMMAND(CropSprite)
+FOR_EACH_COMMAND(LayerFromBackground)
 FOR_EACH_COMMAND(LoadPalette)
 FOR_EACH_COMMAND(NewLayer)
 FOR_EACH_COMMAND(OpenFile)
 FOR_EACH_COMMAND(Redo)
+FOR_EACH_COMMAND(RemoveLayer)
 FOR_EACH_COMMAND(SaveFile)
 FOR_EACH_COMMAND(SaveFileAs)
 FOR_EACH_COMMAND(SaveFileCopyAs)
@@ -21,11 +25,9 @@ FOR_EACH_COMMAND(Undo)
 FOR_EACH_COMMAND(About)
 FOR_EACH_COMMAND(AddColor)
 FOR_EACH_COMMAND(AdvancedMode)
-FOR_EACH_COMMAND(BackgroundFromLayer)
 FOR_EACH_COMMAND(BrightnessContrast)
 FOR_EACH_COMMAND(Cancel)
 FOR_EACH_COMMAND(CanvasSize)
-FOR_EACH_COMMAND(CelOpacity)
 FOR_EACH_COMMAND(CelProperties)
 FOR_EACH_COMMAND(ChangeBrush)
 FOR_EACH_COMMAND(ChangeColor)
@@ -76,7 +78,6 @@ FOR_EACH_COMMAND(InvertColor)
 FOR_EACH_COMMAND(InvertMask)
 FOR_EACH_COMMAND(KeyboardShortcuts)
 FOR_EACH_COMMAND(Launch)
-FOR_EACH_COMMAND(LayerFromBackground)
 FOR_EACH_COMMAND(LayerLock)
 FOR_EACH_COMMAND(LayerOpacity)
 FOR_EACH_COMMAND(LayerProperties)
@@ -110,7 +111,6 @@ FOR_EACH_COMMAND(PlayPreviewAnimation)
 FOR_EACH_COMMAND(Refresh)
 FOR_EACH_COMMAND(RemoveFrame)
 FOR_EACH_COMMAND(RemoveFrameTag)
-FOR_EACH_COMMAND(RemoveLayer)
 FOR_EACH_COMMAND(RemoveSlice)
 FOR_EACH_COMMAND(RepeatLastExport)
 FOR_EACH_COMMAND(ReplaceColor)