Import model on drop

Author: dvsku

src/devue_app/src/gui/dv_gui.cpp

@@ -300,6 +300,15 @@ void dv_gui::on_mouse_move(double dx, double dy) {
     }
 }
 
+void dv_gui::on_drop(int count, const char* paths[]) {
+    for (int i = 0; i < count; i++) {
+        if (!m_sytems.model.is_supported_file_type(paths[i])) continue;
+
+        std::string dir = std::filesystem::path(paths[i]).remove_filename().string();
+        m_sytems.model.import(paths[i], dir);
+    }
+}
+
 void dv_gui::set_theme() {
     ImGuiStyle& style  = ImGui::GetStyle();
     ImVec4*     colors = style.Colors;

src/devue_app/src/gui/dv_gui.hpp

@@ -24,6 +24,7 @@ namespace devue {
     	void on_scroll(double dx, double dy)					override final;
     	void on_mouse_button(int btn, int action, int modifier) override final;
     	void on_mouse_move(double dx, double dy)				override final;
+        void on_drop(int count, const char* paths[])            override final;
 
         void set_theme();