Automatically load project files if named ".pstack.json"

src/pstack/gui/main_window.cpp

@@ -7,6 +7,7 @@
 #include "pstack/gui/viewport.hpp"
 
 #include <cstdlib>
+#include <filesystem>
 #include <fstream>
 #include <wx/colourdata.h>
 #include <wx/filedlg.h>
@@ -44,6 +45,7 @@ main_window::main_window(const wxString& title)
     sizer->Add(_viewport, 1, wxEXPAND);
     sizer->Add(arrange_all_controls(), 0, wxEXPAND | wxALL, FromDIP(constants::outer_border));
     SetSizerAndFit(sizer);
+    try_load_environment();
 }
 
 calc::stack_settings main_window::stack_settings() const {
@@ -330,7 +332,7 @@ wxMenuBar* main_window::make_menu_bar() {
          // Menu items cannot be 0 on Mac
         new_ = 1, open, save, close,
         import, export_,
-        pref_scroll, pref_extra, pref_bounding_box,
+        pref_scroll, pref_extra, pref_bounding_box, pref_env_popup,
         about, website, issue,
     };
     menu_bar->Bind(wxEVT_MENU, [this](wxCommandEvent& event) {
@@ -370,6 +372,10 @@ wxMenuBar* main_window::make_menu_bar() {
                 _viewport->show_bounding_box(_preferences.show_bounding_box);
                 break;
             }
+            case menu_item::pref_env_popup: {
+                _preferences.load_environment_popup = not _preferences.load_environment_popup;
+                break;
+            }
             case menu_item::about: {
                 constexpr auto str =
                     "PartStacker Community Edition\n\n"
@@ -418,6 +424,53 @@ wxMenuBar* main_window::make_menu_bar() {
     return menu_bar;
 }
 
+void main_window::try_load_environment() {
+    auto dir = std::filesystem::current_path();
+    while (true) {
+        auto file = dir / ".pstack.json";
+        if (std::filesystem::exists(file) and std::filesystem::is_regular_file(file)) {
+            if (load_project(file.string())) {
+                if (_preferences.load_environment_popup) {
+                    wxMessageBox(wxString::Format("Loaded environment from: %s", file.string()), "PartStacker environment", wxICON_INFORMATION);
+                }
+            }
+            break;
+        }
+        auto parent_dir = dir.parent_path();
+        if (parent_dir == dir) {
+            break;
+        }
+        dir = std::move(parent_dir);
+    }
+}
+
+bool main_window::load_project(const std::string json_path) {
+    auto file = files::read_file(json_path);
+    if (not file.has_value()) {
+        wxMessageBox(wxString::Format("Could not open path: %s\n\n%s", json_path, file.error()), "Error", wxICON_WARNING);
+        return false;
+    }
+
+    auto state = save_state_from_json(*file);
+    if (not state.has_value()) {
+        wxMessageBox(wxString::Format("Could not read project file: %s\n\n%s", json_path, state.error()), "Error", wxICON_WARNING);
+        return false;
+    }
+
+    _preferences = state->preferences;
+    _viewport->scroll_direction(_preferences.invert_scroll);
+    _parts_list.show_extra(_preferences.extra_parts);
+    _viewport->show_bounding_box(_preferences.show_bounding_box);
+    stack_settings(state->stack);
+    sinterbox_settings(state->sinterbox);
+    _parts_list.replace_all(std::move(state->parts));
+    for (auto& result : state->results) {
+        result.reload_mesh();
+    }
+    _results_list.replace_all(std::move(state->results));
+    return true;
+}
+
 void main_window::bind_all_controls() {
     Bind(wxEVT_CLOSE_WINDOW, &main_window::on_close, this);
 
@@ -510,6 +563,7 @@ void main_window::on_new(wxCommandEvent& event) {
         _results_list.delete_all();
         unset_result();
         _viewport->remove_mesh();
+        try_load_environment();
     }
     event.Skip();
 }
@@ -542,29 +596,7 @@ void main_window::on_open(wxCommandEvent& event) {
             return;
         }
 
-        auto file = files::read_file(dialog.GetPath().ToStdString());
-        if (not file.has_value()) {
-            wxMessageBox(wxString::Format("Could not open path: %s\n\n%s", dialog.GetPath(), file.error()), "Error", wxICON_WARNING);
-            return;
-        }
-
-        auto state = save_state_from_json(*file);
-        if (not state.has_value()) {
-            wxMessageBox(wxString::Format("Could not read project file: %s\n\n%s", dialog.GetPath(), state.error()), "Error", wxICON_WARNING);
-            return;
-        }
-
-        _preferences = state->preferences;
-        _viewport->scroll_direction(_preferences.invert_scroll);
-        _parts_list.show_extra(_preferences.extra_parts);
-        _viewport->show_bounding_box(_preferences.show_bounding_box);
-        stack_settings(state->stack);
-        sinterbox_settings(state->sinterbox);
-        _parts_list.replace_all(std::move(state->parts));
-        for (auto& result : state->results) {
-            result.reload_mesh();
-        }
-        _results_list.replace_all(std::move(state->results));
+        load_project(dialog.GetPath().ToStdString());
     }
     event.Skip();
 }

src/pstack/gui/main_window.hpp

@@ -61,6 +61,9 @@ class main_window : public wxFrame {
     wxMenuBar* make_menu_bar();
     std::vector<wxMenuItem*> _disableable_menu_items;
 
+    void try_load_environment();
+    bool load_project(std::string json_path);
+
     void bind_all_controls();
     void on_new(wxCommandEvent& event);
     void on_close(wxCloseEvent& event);

src/pstack/gui/preferences.hpp

@@ -7,6 +7,7 @@ struct preferences {
     bool invert_scroll = false;
     bool extra_parts = false;
     bool show_bounding_box = false;
+    bool load_environment_popup = true;
 };
 
 } // namespace pstack::gui

src/pstack/gui/save.cpp

@@ -26,7 +26,7 @@ using internal_save_state = basic_save_state<save_part, save_result>;
 } // namespace pstack::gui
 
 JSONCONS_N_MEMBER_TRAITS(pstack::gui::preferences, 0, // Nothing is required
-    invert_scroll, extra_parts, show_bounding_box
+    invert_scroll, extra_parts, show_bounding_box, load_environment_popup
 );
 JSONCONS_N_MEMBER_TRAITS(pstack::calc::stack_settings, 0, // Nothing is required
     resolution, x_min, x_max, y_min, y_max, z_min, z_max
@@ -104,7 +104,8 @@ const std::string_view the_schema = R"the_schema({
             "properties": {
                 "invert_scroll": { "type": "boolean" },
                 "extra_parts": { "type": "boolean" },
-                "show_bounding_box": { "type": "boolean" }
+                "show_bounding_box": { "type": "boolean" },
+                "load_environment_popup": { "type": "boolean" }
             }
         },
         "stack": {