enable Edit menu and add Clear Presets feature

src/app_layout.cpp

@@ -697,6 +697,32 @@ void App::init_menu_edit()
             popup->m_mouse_ignore = false;
             popup->m_flood_events = true;
             popup->m_capture_children = false;
+        
+            popup->find<NodeButtonCustom>("clear-grids")->on_click = [this, popup](Node*) {
+                CanvasModeGrid* mode = (CanvasModeGrid*)Canvas::modes[(int)kCanvasMode::Grid][0];
+                mode->clear();
+                popup->mouse_release();
+                popup->destroy();
+            };
+
+            popup->find<NodeButtonCustom>("camera-reset")->on_click = [this, popup](Node*) {
+                canvas->reset_camera();
+                popup->mouse_release();
+                popup->destroy();
+            };
+
+            popup->find<NodeButtonCustom>("clear-presets")->on_click = [this, popup](Node*) {
+                auto mb = message_box("Clear Presets", "Do you want to remove all the Brush Presets?", true);
+                mb->btn_ok->m_text->set_text("Yes");
+                mb->btn_cancel->m_text->set_text("No");
+                mb->btn_ok->on_click = mb->on_submit = [this,mb](Node*) {
+                    presets->clear_brushes();
+                    presets->save();
+                    mb->destroy();
+                };
+                popup->mouse_release();
+                popup->destroy();
+            };
         };
     }
 }
@@ -1107,18 +1133,6 @@ void App::init_menu_layer()
             popup->m_mouse_ignore = false;
             popup->m_flood_events = true;
             popup->m_capture_children = false;
-            popup->find<NodeButtonCustom>("clear-grids")->on_click = [this, popup](Node*) {
-                CanvasModeGrid* mode = (CanvasModeGrid*)Canvas::modes[(int)kCanvasMode::Grid][0];
-                mode->clear();
-                popup->mouse_release();
-                popup->destroy();
-            };
-
-            popup->find<NodeButtonCustom>("camera-reset")->on_click = [this, popup](Node*) {
-                canvas->reset_camera();
-                popup->mouse_release();
-                popup->destroy();
-            };
 
             popup->find<NodeButtonCustom>("layer-clear")->on_click = [this, popup](Node*) {
                 canvas->m_canvas->clear();

src/node_panel_brush.cpp

@@ -361,6 +361,11 @@ bool NodePanelBrush::restore()
     return false;
 }
 
+void NodePanelBrush::clear()
+{
+    m_container->remove_all_children();
+}
+
 void NodePanelBrush::added(Node* parent)
 {
     m_interacted = false;
@@ -604,6 +609,11 @@ void NodePanelBrushPreset::add_brush(std::shared_ptr<Brush> brush)
     b->on_click = std::bind(&NodePanelBrushPreset::handle_click, this, std::placeholders::_1);
 }
 
+void NodePanelBrushPreset::clear_brushes()
+{
+    m_container->remove_all_children();
+}
+
 void NodePanelBrushPreset::added(Node* parent)
 {
     m_interacted = false;

src/node_panel_brush.h

@@ -52,6 +52,7 @@ public:
     std::string get_thumb_path(int index) const;
     bool save();
     bool restore();
+    void clear();
 };
 
 // -----------------------------------------------------------------------
@@ -92,5 +93,6 @@ public:
     bool save();
     bool restore();
     void add_brush(std::shared_ptr<Brush> brush);
+    void clear_brushes();
 };