remove all async_start/end calls

src/node_panel_stroke.cpp

@@ -42,11 +42,7 @@ bool NodePanelStroke::import_abr(const std::string& path)
     if (!str_iequals(ext, "abr") || !Asset::exist(path))
         return false;
 
-    async_start();
     auto pb = App::I.show_progress("Importing ABR");
-    app_redraw();
-    async_update();
-    async_end();
 
     abr.open(path);
 
@@ -68,7 +64,6 @@ bool NodePanelStroke::import_abr(const std::string& path)
         auto thumb = padded.resize(64, 64);
         thumb.save(path_thumb);
 
-        async_start();
         NodeButtonBrush* brush = new NodeButtonBrush;
         m_brush_popup->m_container->add_child(brush);
         brush->init();
@@ -83,9 +78,6 @@ bool NodePanelStroke::import_abr(const std::string& path)
         count++;
         float prog = (float)count / (float)tot;
         pb->m_progress->SetWidthP(prog * 100.f);
-        app_redraw();
-        async_update();
-        async_end();
     });
     m_brush_popup->save();
 
@@ -101,7 +93,6 @@ bool NodePanelStroke::import_abr(const std::string& path)
         auto thumb = patt.second->resize(64, 64);
         thumb.save(path_thumb);
         
-        async_start();
         NodeButtonBrush* brush = new NodeButtonBrush;
         m_pattern_popup->m_container->add_child(brush);
         brush->init();
@@ -116,16 +107,12 @@ bool NodePanelStroke::import_abr(const std::string& path)
         count++;
         float prog = (float)count / (float)tot;
         pb->m_progress->SetWidthP(prog * 100.f);
-        app_redraw();
-        async_update();
-        async_end();
     });
     m_pattern_popup->save();
 
     auto brushes = abr.compute_brushes(App::I.data_path);
     for (const auto& pr : brushes)
     {
-        async_start();
         if (pr->valid())
         {
             LOG("add preset %s", pr->m_name.c_str());
@@ -134,17 +121,10 @@ bool NodePanelStroke::import_abr(const std::string& path)
         count++;
         float prog = (float)count / (float)tot;
         pb->m_progress->SetWidthP(prog * 100.f);
-        app_redraw();
-        async_update();
-        async_end();
     }
 
-    async_start();
     App::I.presets->save();
     pb->destroy();
-    app_redraw();
-    async_update();
-    async_end();
     //save();
 
     return true;