gui: improve file dialog API

app/gui/dialog-file.cpp

@@ -368,8 +368,11 @@ struct file_dialog
 
 file_dialog fd;
 
+// static const char8_t* filters[] = { u8".irt", nullptr };
 bool
-load_file_dialog(std::filesystem::path& out)
+load_file_dialog(std::filesystem::path& out,
+                 const char* title,
+                 const char8_t** filters)
 {
     if (fd.current.empty()) {
         fd.fill_drives();
@@ -381,7 +384,7 @@ load_file_dialog(std::filesystem::path& out)
     std::filesystem::path next;
     bool res = false;
 
-    if (ImGui::BeginPopupModal("Select file path to load")) {
+    if (ImGui::BeginPopupModal(title)) {
         bool path_click = false;
 
         fd.show_drives(&path_click, &next);
@@ -442,7 +445,6 @@ load_file_dialog(std::filesystem::path& out)
 
         if (path_click) {
             fd.paths.clear();
-            static const char8_t* filters[] = { u8".irt", nullptr };
             fd.extension_filters = filters;
             fd.file_filters = nullptr;
 
@@ -484,8 +486,11 @@ load_file_dialog(std::filesystem::path& out)
     return res;
 }
 
+// static const char8_t* filters[] = { u8".irt", nullptr };
 bool
-save_file_dialog(std::filesystem::path& out)
+save_file_dialog(std::filesystem::path& out,
+                 const char* title,
+                 const char8_t** filters)
 {
     if (fd.current.empty()) {
         fd.fill_drives();
@@ -504,7 +509,7 @@ save_file_dialog(std::filesystem::path& out)
     std::filesystem::path next;
     bool res = false;
 
-    if (ImGui::BeginPopupModal("Select file path to save")) {
+    if (ImGui::BeginPopupModal(title)) {
         bool path_click = false;
 
         fd.show_drives(&path_click, &next);
@@ -573,7 +578,6 @@ save_file_dialog(std::filesystem::path& out)
 
         if (path_click) {
             fd.paths.clear();
-            static const char8_t* filters[] = { u8".irt", nullptr };
             fd.extension_filters = filters;
             fd.file_filters = nullptr;
 

app/gui/gui.hpp

@@ -30,10 +30,14 @@ get_executable_directory();
 /* Filesytem dialog box */
 
 bool
-load_file_dialog(std::filesystem::path& out);
+load_file_dialog(std::filesystem::path& out,
+                 const char* title,
+                 const char8_t** filters);
 
 bool
-save_file_dialog(std::filesystem::path& out);
+save_file_dialog(std::filesystem::path& out,
+                 const char* title,
+                 const char8_t** filters);
 
 bool
 select_directory_dialog(std::filesystem::path& out);

app/gui/node-editor.cpp

@@ -2468,8 +2468,11 @@ editor::show_editor() noexcept
     }
 
     if (show_load_file_dialog) {
-        ImGui::OpenPopup("Select file path to load");
-        if (load_file_dialog(path)) {
+        const char* title = "Select file path to load";
+        const char8_t* filters[] = { u8".irt", nullptr };
+
+        ImGui::OpenPopup(title);
+        if (load_file_dialog(path, title, filters)) {
             show_load_file_dialog = false;
             log_w.log(
               5, "Load file from %s: ", (const char*)path.u8string().c_str());
@@ -2492,8 +2495,11 @@ editor::show_editor() noexcept
 
     if (show_save_file_dialog) {
         if (sim.models.size()) {
-            ImGui::OpenPopup("Select file path to save");
-            if (save_file_dialog(path)) {
+            const char* title = "Select file path to save";
+            const char8_t* filters[] = { u8".irt", nullptr };
+
+            ImGui::OpenPopup(title);
+            if (save_file_dialog(path, title, filters)) {
                 show_save_file_dialog = false;
                 log_w.log(
                   5, "Save file to %s\n", (const char*)path.u8string().c_str());