implemented brush settings switch between pen/erase

engine/app.h

@@ -106,4 +106,5 @@ public:
     void dialog_open();
     void dialog_export();
     void dialog_layer_rename();
+    void brush_update();
 };

engine/app_layout.cpp

@@ -373,6 +373,12 @@ void App::init_menu_edit()
     }
 }
 
+void App::brush_update()
+{
+    brushes->set_texture_id(canvas->m_brush.m_tex_id);
+    stroke->set_params(canvas->m_brush);
+}
+
 void App::init_menu_layer()
 {
     if (auto* menu_file = layout[main_id]->find<NodeButtonCustom>("menu-layers"))

engine/canvas_modes.cpp

@@ -139,8 +139,16 @@ void CanvasModePen::leave()
 
 void CanvasModePen::enter()
 {
-    if (node)
+    if (m_valid_brush)
+    {
         node->m_brush = m_brush;
+        App::I.brush_update();
+    }
+    else
+    {
+        m_brush = node->m_brush;
+        m_valid_brush = true;
+    }
 }
 
 ////////////////////////////////////////////////////////////////////

engine/canvas_modes.h

@@ -41,6 +41,7 @@ class CanvasModePen : public CanvasMode
     float m_camera_fov;
     float m_zoom_canvas = 1.f;
     float m_zoom_start;
+    bool m_valid_brush = false;
     ui::Brush m_brush;
 public:
     virtual void on_MouseEvent(MouseEvent* me, glm::vec2& loc) override;

engine/node_panel_brush.cpp

@@ -81,3 +81,18 @@ uint16_t NodePanelBrush::get_texture_id(int index) const
 {
     return m_brushes[index]->img->m_tex_id;
 }
+
+// select the current brush based on the texture id
+void NodePanelBrush::set_texture_id(int texid)
+{
+    if (m_current)
+        m_current->m_selected = false;
+    for (auto b : m_brushes)
+    {
+        if (b->img->m_tex_id == texid)
+        {
+            b->m_selected = true;
+            m_current = b;
+        }
+    }
+}

engine/node_panel_brush.h

@@ -27,4 +27,5 @@ public:
     void handle_click(Node* target);
     std::vector<std::string> FindAllBrushes(const std::string& folder);
     uint16_t get_texture_id(int index) const;
+    void set_texture_id(int texid);
 };

engine/node_panel_stroke.cpp

@@ -21,18 +21,20 @@ void NodePanelStroke::init()
 
 void NodePanelStroke::set_params(const ui::Brush &b)
 {
-    m_tip_size->set_value(b.m_tip_size);
-    m_tip_spacing->set_value(b.m_tip_spacing);
-    m_tip_flow->set_value(b.m_tip_flow);
-    m_tip_opacity->set_value(b.m_tip_opacity);
-    m_tip_angle->set_value(b.m_tip_angle);
-    m_jitter_scale->set_value(b.m_jitter_scale);
-    m_jitter_angle->set_value(b.m_jitter_angle);
-    m_jitter_spread->set_value(b.m_jitter_spread);
-    m_jitter_flow->set_value(b.m_jitter_flow);
+    m_tip_size->m_value.x = b.m_tip_size;
+    m_tip_spacing->m_value.x = b.m_tip_spacing;
+    m_tip_flow->m_value.x = b.m_tip_flow;
+    m_tip_opacity->m_value.x = b.m_tip_opacity;
+    m_tip_angle->m_value.x = b.m_tip_angle;
+    m_jitter_scale->m_value.x = b.m_jitter_scale;
+    m_jitter_angle->m_value.x = b.m_jitter_angle;
+    m_jitter_spread->m_value.x = b.m_jitter_spread;
+    m_jitter_flow->m_value.x = b.m_jitter_flow;
     m_tip_angle_follow->checked = b.m_tip_angle_follow;
     m_tip_flow_pressure->checked = b.m_tip_flow_pressure;
     m_tip_size_pressure->checked = b.m_tip_size_pressure;
+    m_canvas->m_brush = b;
+    m_canvas->draw_stroke();
 }
 
 void NodePanelStroke::init_controls()