save brushes settings

src/node_panel_brush.h

@@ -9,12 +9,13 @@
 class NodeButtonBrush : public NodeButtonCustom
 {
 public:
-    //int m_brushID;
     bool m_selected = false;
+    // whether the brush is a system default
+    // or user imported so it can be deleted from file
+    bool m_user_brush = false;
     std::string brush_name;
     std::string high_path;
     std::string thumb_path;
-    //uint16_t high_id;
     NodeImage* img;
     virtual Node* clone_instantiate() const override;
     virtual void init() override;
@@ -24,13 +25,26 @@ public:
 
 class NodePanelBrush : public Node
 {
-    //std::vector<NodeButtonBrush*> m_brushes;
+    // brushes that are marked as deleted but file still exists
+    std::vector<std::string> m_deleted;
     NodeButtonBrush* m_current = nullptr;
     NodeScroll* m_container;
     NodeButtonCustom* m_btn_add;
     NodeButtonCustom* m_btn_up;
     NodeButtonCustom* m_btn_down;
     NodeButtonCustom* m_btn_remove;
+    struct header_t {
+        char magic[5]{ 'P', 'P', 'B', 'R', 0 };
+        uint16_t version = 0;
+        uint16_t brushes = 0;
+        uint16_t deleted = 0;
+    };
+    struct item_t {
+        int m_name_len = 0;
+        int m_high_len = 0;
+        int m_thumb_len = 0;
+        bool m_deleted = false;
+    };
 public:
     std::function<void(Node* target, int index)> on_brush_changed;
     std::function<void(Node* target)> on_popup_close;
@@ -41,7 +55,8 @@ public:
     int find_brush(const std::string& name) const;
     std::string get_texture_path(int index) const;
     std::string get_thumb_path(int index) const;
-    //void select_brush(int brush_id);
+    bool save();
+    bool restore();
 };
 
 // -----------------------------------------------------------------------
@@ -58,12 +73,10 @@ public:
     virtual Node* clone_instantiate() const override;
     virtual void init() override;
     virtual void draw() override;
-    virtual ~NodeBrushPresetItem();
 };
 
 class NodePanelBrushPreset : public Node
 {
-    //std::vector<NodeBrushPresetItem*> m_brushes;
     NodeBrushPresetItem* m_current = nullptr;
     Node* m_container;
     NodeButtonCustom* m_btn_add;
@@ -72,17 +85,15 @@ class NodePanelBrushPreset : public Node
     NodeButtonCustom* m_btn_delete;
     NodeButtonCustom* m_btn_save;
     struct header_t {
-        char magic[4]{ 'P', 'P', 'P', 'R' };
+        char magic[5]{ 'P', 'P', 'P', 'R', 0 };
         uint16_t version = 0;
         uint16_t count = 0;
     };
     struct item_t {
-        int m_name_len;
-        int m_brush_path_len;
-        int m_brush_thumb_path_len;
-        int m_stencil_path_len;
-        //std::shared_ptr<Texture2D> m_tip_texture;
-        //std::shared_ptr<Texture2D> m_stencil_texture;
+        int m_name_len = 0;
+        int m_brush_path_len = 0;
+        int m_brush_thumb_path_len = 0;
+        int m_stencil_path_len = 0;
         glm::vec4 m_tip_color{ 0, 0, 0, 1 };
         float m_tip_size = 0;
         float m_tip_spacing = 0;
@@ -118,7 +129,6 @@ public:
     virtual void init() override;
     virtual kEventResult handle_event(Event* e) override;
     void handle_click(Node* target);
-    std::shared_ptr<Brush> get_brush(int index) const;
     bool save();
     bool restore();
 };