add more checks on unsaved documents

engine/app_dialogs.cpp

@@ -19,8 +19,8 @@ std::shared_ptr<NodeProgressBar> App::show_progress(const std::string& title)
 
 void App::dialog_newdoc()
 {
-    if (canvas)
+    auto show_dialog = [this] {
-    {
+        async_start();
         auto dialog = std::make_shared<NodeDialogNewDoc>();
         dialog->m_manager = &layout;
         dialog->init();
@@ -83,13 +83,40 @@ void App::dialog_newdoc()
             dialog->destroy();
             App::I.hideKeyboard();
         };
+        async_end();
+    };
+
+    if (canvas)
+    {
+        if (ui::Canvas::I->m_unsaved)
+        {
+            auto m = layout[main_id]->add_child<NodeMessageBox>();
+            m->m_title->set_text("Unsaved document");
+            m->m_message->set_text("Would you like to save this document before closing?");
+            m->btn_ok->m_text->set_text("Yes");
+            m->btn_cancel->m_text->set_text("No");
+            m->btn_ok->on_click = [this, m, show_dialog](Node*) {
+                ui::Canvas::I->project_save([this, m, show_dialog] {
+                    show_dialog();
+                });
+                m->destroy();
+            };
+            m->btn_cancel->on_click = [this, m, show_dialog](Node*) {
+                show_dialog();
+                m->destroy();
+            };
+        }
+        else
+        {
+            show_dialog();
+        }
     }
 }
 
 void App::dialog_open()
 {
-    if (canvas)
+    auto show_dialog = [this] {
-    {
+        async_start();
         // load thumbnail test
         auto dialog = std::make_shared<NodeDialogOpen>();
         dialog->m_manager = &layout;
@@ -117,13 +144,40 @@ void App::dialog_open()
             dialog->destroy();
             ActionManager::clear();
         };
+        async_end();
+    };
+
+    if (canvas)
+    {
+        if (ui::Canvas::I->m_unsaved)
+        {
+            auto m = layout[main_id]->add_child<NodeMessageBox>();
+            m->m_title->set_text("Unsaved document");
+            m->m_message->set_text("Would you like to save this document before closing?");
+            m->btn_ok->m_text->set_text("Yes");
+            m->btn_cancel->m_text->set_text("No");
+            m->btn_ok->on_click = [this,m,show_dialog](Node*){
+                ui::Canvas::I->project_save([this,m,show_dialog] {
+                    show_dialog();
+                });
+                m->destroy();
+            };
+            m->btn_cancel->on_click = [this,m,show_dialog](Node*) {
+                show_dialog();
+                m->destroy();
+            };
+        }
+        else
+        {
+            show_dialog();
+        }
     }
 }
 
 void App::dialog_browse()
 {
-    if (canvas)
+    auto show_dialog = [this] {
-    {
+        async_start();
         // load thumbnail test
         auto dialog = std::make_shared<NodeDialogBrowse>();
         dialog->m_manager = &layout;
@@ -151,6 +205,33 @@ void App::dialog_browse()
             dialog->destroy();
             ActionManager::clear();
         };
+        async_end();
+    };
+
+    if (canvas)
+    {
+        if (ui::Canvas::I->m_unsaved)
+        {
+            auto m = layout[main_id]->add_child<NodeMessageBox>();
+            m->m_title->set_text("Unsaved document");
+            m->m_message->set_text("Would you like to save this document before closing?");
+            m->btn_ok->m_text->set_text("Yes");
+            m->btn_cancel->m_text->set_text("No");
+            m->btn_ok->on_click = [this, m, show_dialog](Node*) {
+                ui::Canvas::I->project_save([this, m, show_dialog] {
+                    show_dialog();
+                });
+                m->destroy();
+            };
+            m->btn_cancel->on_click = [this, m, show_dialog](Node*) {
+                show_dialog();
+                m->destroy();
+            };
+        }
+        else
+        {
+            show_dialog();
+        }
     }
 }
 

engine/canvas.cpp

@@ -1357,17 +1357,40 @@ void ui::Canvas::export_cubes(std::string data_path)
 #endif
 }
 
-void ui::Canvas::project_save(std::string file_path)
+void ui::Canvas::project_save(std::function<void()> on_complete)
 {
-    if (!App::I.check_license())
+    if (App::I.check_license())
-        return;
+    {
-    std::thread t(&ui::Canvas::project_save_thread, this, file_path);
+        std::thread t([=] {
+            project_save_thread(App::I.data_path + "/" + App::I.doc_name + ".pano");
+            if (on_complete)
+                on_complete();
+        });
         t.detach();
     }
+}
+
+void ui::Canvas::project_save(std::string file_path, std::function<void()> on_complete)
+{
+    if (App::I.check_license())
+    {
+        std::thread t([=] {
+            project_save_thread(file_path);
+            if (on_complete)
+                on_complete();
+        });
+        t.detach();
+    }
+}
 
 void ui::Canvas::project_save_thread(std::string file_path)
 {
     gl_state gl;
+
+    // already saved, nothing to do
+    if (!m_unsaved)
+        return;
+
 //     static char name[128];
 //     sprintf(name, "%s/latlong.pano", data_path.c_str());
     FILE* fp = fopen(file_path.c_str(), "wb");

engine/canvas.h

@@ -144,7 +144,8 @@ public:
     void export_equirectangular_thread(std::string file_path);
 	void export_anim(std::string data_path);
 	void export_cubes(std::string data_path);
-    void project_save(std::string file_path);
+    void project_save(std::function<void()> on_complete = nullptr);
+    void project_save(std::string file_path, std::function<void()> on_complete = nullptr);
     void project_save_thread(std::string file_path);
     void project_open(std::string file_path, std::function<void()> on_complete = nullptr);
     void project_open_thread(std::string file_path);