feat: sidebar plugin config UI

src/slic3r/GUI/Field.hpp

@@ -32,6 +32,10 @@
 #define wxMSW false
 #endif
 
+// Orca's styled button (Widgets/Button.hpp), used by PluginConfigField. Declared at global scope,
+// which is where the widget lives.
+class Button;
+
 namespace Slic3r { namespace GUI {
 
 class Field;
@@ -517,6 +521,47 @@ private:
     std::function<std::string()> m_selector;
 };
 
+// A settings row whose value is a raw JSON document that nobody should type by hand: the row shows a
+// button, the button opens PluginsConfigDialog, and the document it hands back becomes the field's
+// value. Routing the edit through the ordinary Field value/on_change_field path is what earns the row
+// the same dirty state and revert arrow as every other setting — the dialog itself never touches the
+// preset.
+class PluginConfigField : public Field {
+    using Field::Field;
+public:
+    PluginConfigField(const ConfigOptionDef& opt, const t_config_option_key& id) : Field(opt, id) {}
+    PluginConfigField(wxWindow* parent, const ConfigOptionDef& opt, const t_config_option_key& id) : Field(parent, opt, id) {}
+    ~PluginConfigField() {}
+
+    void BUILD() override;
+
+    // Which preset's capabilities the dialog lists. Supplied by the option group, which already
+    // carries its Tab's type; an int for the same reason OptionsGroup::m_config_type is one — it
+    // keeps Preset.hpp out of this header.
+    void set_preset_type(int type) { m_preset_type = type; }
+
+    void set_value(const boost::any& value, bool change_event = false) override;
+    boost::any& get_value() override;
+
+    void enable() override;
+    void disable() override;
+
+    // Window-field: the button is the whole field, so it is the window the option group sizes and
+    // positions (the ColourPicker idiom). A container panel would be sized but never laid out.
+    wxWindow* getWindow() override { return window; }
+
+    void msw_rescale() override;
+
+private:
+    void open_dialog();
+    void update_button_label();
+
+    wxWindow*   window { nullptr };  // == m_button; the base class hands this to the option group
+    ::Button*   m_button { nullptr };
+    std::string m_json;              // the option's raw text; "" when the preset overrides nothing
+    int         m_preset_type { -1 };
+};
+
 class ColourPicker : public Field {
 	using Field::Field;