Add "ui" param to MaskByColorCommand (fix #2774)

src/app/commands/cmd_mask_by_color.cpp

@@ -14,6 +14,7 @@
 #include "app/color.h"
 #include "app/color_utils.h"
 #include "app/commands/command.h"
+#include "app/commands/new_params.h"
 #include "app/console.h"
 #include "app/context.h"
 #include "app/context_access.h"
@@ -46,16 +47,38 @@ namespace app {
 
 using namespace ui;
 
+// Disable warning about usage of "this" in initializer list.
+#ifdef _MSC_VER
+#pragma warning(disable:4355)
+#endif
+
 static const char* ConfigSection = "MaskColor";
 
+struct MaskByColorParams : public NewParams {
+  Param<bool> ui { this, true, "ui" };
+  Param<app::Color> color { this, app::Color(), "color" };
+  Param<int> tolerance { this, 0, "tolerance" };
+  Param<gen::SelectionMode> mode { this, gen::SelectionMode::DEFAULT, "mode" };
+};
+
 class MaskByColorWindow : public ui::Window {
 public:
-  MaskByColorWindow(const ContextReader& reader)
+  MaskByColorWindow(MaskByColorParams& params, const ContextReader& reader)
     : Window(Window::WithTitleBar, Strings::mask_by_color_title())
     , m_reader(&reader)
     // Save original mask visibility to process it correctly in
     // ADD/SUBTRACT/INTERSECT Selection Mode
     , m_isOrigMaskVisible(reader.document()->isMaskVisible()) {
+
+    if (!params.color.isSet())
+      params.color(ColorBar::instance()->getFgColor());
+
+    if (!params.tolerance.isSet())
+      params.tolerance(get_config_int(ConfigSection, "Tolerance", 0));
+
+    if (!params.mode.isSet())
+      params.mode(Preferences::instance().selection.mode());
+
     TooltipManager* tooltipManager = new TooltipManager();
     addChild(tooltipManager);
     auto box1 = new Box(VERTICAL);
@@ -64,13 +87,14 @@ public:
     auto box4 = new Box(HORIZONTAL | HOMOGENEOUS);
     auto label_color = new Label(Strings::mask_by_color_label_color());
     m_buttonColor = new ColorButton(
-      ColorBar::instance()->getFgColor(),
+      params.color(),
       reader.sprite()->pixelFormat(),
       ColorButtonOptions());
     auto label_tolerance = new Label(Strings::mask_by_color_tolerance());
-    m_sliderTolerance = new Slider(0, 255, get_config_int(ConfigSection, "Tolerance", 0));
+    m_sliderTolerance = new Slider(0, 255, params.tolerance());
 
     m_selMode = new SelModeField;
+    m_selMode->setSelectionMode(params.mode());
     m_selMode->setupTooltips(tooltipManager);
 
     m_checkPreview = new CheckBox(Strings::mask_by_color_preview());
@@ -214,6 +238,7 @@ bool MaskByColorCommand::onEnabled(Context* context)
 
 void MaskByColorCommand::onExecute(Context* context)
 {
+  const bool ui = (params().ui() && context->isUIAvailable());
   const ContextReader reader(context);
   const Sprite* sprite = reader.sprite();
 
@@ -225,37 +250,50 @@ void MaskByColorCommand::onExecute(Context* context)
   if (!image)
     return;
 
-  MaskByColorWindow window(reader);
   // Save original mask visibility to process it correctly in
   // ADD/SUBTRACT/INTERSECT Selection Mode
   bool isOrigMaskVisible = reader.document()->isMaskVisible();
 
+  bool apply = true;
+  auto& params = this->params();
+  if (ui) {
+    MaskByColorWindow window(params, reader);
+
     // Load window configuration
     load_window_pos(&window, ConfigSection);
 
     // Open the window
     window.openWindowInForeground();
 
-  bool apply = window.accepted();
+    // Save window configuration.
+    save_window_pos(&window, ConfigSection);
+
+    apply = window.accepted();
+    if (apply) {
+      params.color(window.getColor());
+      params.mode(window.getSelectionMode());
+      params.tolerance(window.getTolerance());
+
+      set_config_int(ConfigSection, "Tolerance", params.tolerance());
+      set_config_bool(ConfigSection, "Preview", window.isPreviewChecked());
+    }
+  }
 
   ContextWriter writer(reader);
   Doc* document(writer.document());
 
   if (apply) {
-    int color = color_utils::color_for_image(window.getColor(),
+    int color = color_utils::color_for_image(params.color(),
                                             sprite->pixelFormat());
-    int tolerance = window.getTolerance();
+
     Tx tx(writer, "Mask by Color", DoesntModifyDocument);
     std::unique_ptr<Mask> mask(generateMask(*document->mask(),
                                             isOrigMaskVisible,
                                             image, xpos, ypos,
-                                            window.getSelectionMode(),
-                                            color, tolerance));
+                                            params.mode(),
+                                            color, params.tolerance()));
     tx(new cmd::SetMask(document, mask.get()));
     tx.commit();
-
-    set_config_int(ConfigSection, "Tolerance", tolerance);
-    set_config_bool(ConfigSection, "Preview", window.isPreviewChecked());
   }
   else {
     document->generateMaskBoundaries();
@@ -263,9 +301,6 @@ void MaskByColorCommand::onExecute(Context* context)
 
   // Update boundaries and editors.
   update_screen_for_document(document);
-
-  // Save window configuration.
-  save_window_pos(&window, ConfigSection);
 }
 
 void MaskByColorWindow::maskPreview()

src/app/commands/new_params.cpp

@@ -12,6 +12,7 @@
 
 #include "app/color.h"
 #include "app/doc_exporter.h"
+#include "app/pref/preferences.h"
 #include "app/sprite_sheet_type.h"
 #include "app/tools/ink_type.h"
 #include "base/convert_to.h"
@@ -241,6 +242,21 @@ void Param<doc::RgbMapAlgorithm>::fromString(const std::string& value)
     setValue(doc::RgbMapAlgorithm::DEFAULT);
 }
 
+template<>
+void Param<gen::SelectionMode>::fromString(const std::string& value)
+{
+  if (base::utf8_icmp(value, "replace") == 0)
+    setValue(gen::SelectionMode::REPLACE);
+  else if (base::utf8_icmp(value, "add") == 0)
+    setValue(gen::SelectionMode::ADD);
+  else if (base::utf8_icmp(value, "subtract") == 0)
+    setValue(gen::SelectionMode::SUBTRACT);
+  else if (base::utf8_icmp(value, "intersect") == 0)
+    setValue(gen::SelectionMode::INTERSECT);
+  else
+    setValue(gen::SelectionMode::DEFAULT);
+}
+
 //////////////////////////////////////////////////////////////////////
 // Convert values from Lua
 //////////////////////////////////////////////////////////////////////
@@ -405,6 +421,15 @@ void Param<doc::RgbMapAlgorithm>::fromLua(lua_State* L, int index)
     setValue((doc::RgbMapAlgorithm)lua_tointeger(L, index));
 }
 
+template<>
+void Param<gen::SelectionMode>::fromLua(lua_State* L, int index)
+{
+  if (lua_type(L, index) == LUA_TSTRING)
+    fromString(lua_tostring(L, index));
+  else
+    setValue((gen::SelectionMode)lua_tointeger(L, index));
+}
+
 void CommandWithNewParamsBase::loadParamsFromLuaTable(lua_State* L, int index)
 {
   onResetValues();