From abb6556fd4e6961b285a245c67c9a3d9119ee615 Mon Sep 17 00:00:00 2001
From: Sven Balzer <4653051+Kyuusokuna@users.noreply.github.com>
Date: Mon, 23 Mar 2026 12:42:48 +0100
Subject: [PATCH] implement open_file_dialog, save_file_dialog and
 set_window_title for linux

---
 src/main_linux.cpp    | 74 ++++++++++++++++++++++++++++++++++++++++++-
 src/work-calendar.cpp |  7 ++++
 2 files changed, 80 insertions(+), 1 deletion(-)

diff --git a/src/main_linux.cpp b/src/main_linux.cpp
index b470643..defb50f 100644
--- a/src/main_linux.cpp
+++ b/src/main_linux.cpp
@@ -56,6 +56,8 @@ static ImGui_ImplVulkanH_Window g_MainWindowData;
 static uint32_t                 g_MinImageCount = 2;
 static bool                     g_SwapChainRebuild = false;
 
+static GLFWwindow *window;
+
 static void glfw_error_callback(int error, const char* description)
 {
     fprintf(stderr, "GLFW Error %d: %s\n", error, description);
@@ -361,7 +363,7 @@ int main(int, char**)
 
     // Create window with Vulkan context
     glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
-    GLFWwindow* window = glfwCreateWindow(1280, 720, "Work Calendar", nullptr, nullptr);
+    window = glfwCreateWindow(1600, 900, "Work Calendar", nullptr, nullptr);
     if (!glfwVulkanSupported())
     {
         printf("GLFW: Vulkan Not Supported\n");
@@ -527,3 +529,73 @@ int main(int, char**)
 
     return 0;
 }
+
+static int run_command_and_return_exit_code(const char *command) {
+    FILE *process = popen(command, "re");
+    if (!process) return -1;
+
+    return pclose(process);
+}
+
+static char *run_command_and_return_stdout(const char *command, size_t buffer_size) {
+    FILE *process = popen(command, "re");
+    if (!process) return NULL;
+
+    char *result = (char *)calloc(1, buffer_size);
+    if (!result) return NULL;
+
+    for (char *ptr = result; (result + buffer_size - ptr) > 1 && fgets(ptr, result + buffer_size - ptr, process); ptr = ptr + strlen(ptr));
+
+    if (!feof(process)) {
+        free(result);
+        pclose(process);
+        return NULL;
+    }
+
+    if (pclose(process)) {
+        free(result);
+        return NULL;
+    }
+
+    return result;
+}
+
+char *open_file_dialog() {
+    char *path = NULL;
+
+    if (run_command_and_return_exit_code("zenity --version") == 0) {
+        path = run_command_and_return_stdout("zenity --title=\"Open Calendar\" --modal --file-selection --file-filter=\"Workcalendar (*.wcl) | *.wcl\"", PATH_MAX);
+    } else if (run_command_and_return_exit_code("kdialog --version") == 0) {
+        path = run_command_and_return_stdout("kdialog --title \"Open Calendar\" --getopenfilename . \"Workcalendar(*.wcl)\"", PATH_MAX);
+    }
+
+    if (!path) return NULL;
+
+    size_t len = strlen(path);
+    if (len && path[len-1] == '\n')
+        path[len-1] = '\0';
+
+    return path;
+}
+
+char *save_file_dialog() {
+    char *path = NULL;
+
+    if (run_command_and_return_exit_code("zenity --version") == 0) {
+        path = run_command_and_return_stdout("zenity --title=\"Save Calendar\" --modal --file-selection --save --file-filter=\"Workcalendar (*.wcl) | *.wcl\"", PATH_MAX);
+    } else if (run_command_and_return_exit_code("kdialog --version") == 0) {
+        path = run_command_and_return_stdout("kdialog --title \"Save Calendar\" --getsavefilename . \"Workcalendar(*.wcl)\"", PATH_MAX);
+    }
+
+    if (!path) return NULL;
+
+    size_t len = strlen(path);
+    if (len && path[len-1] == '\n')
+        path[len-1] = '\0';
+
+    return path;
+}
+
+void set_window_title(const char *title) {
+    glfwSetWindowTitle(window, title);
+}
diff --git a/src/work-calendar.cpp b/src/work-calendar.cpp
index 7858885..9b2c8c7 100644
--- a/src/work-calendar.cpp
+++ b/src/work-calendar.cpp
@@ -215,6 +215,13 @@ void per_frame(){
                     if(save_file_path) free(save_file_path);
                     save_file_path = new_save_file_path;
                     save();
+
+                    char *title = (char *)calloc(1, strlen("Work Calendar - ") + strlen(save_file_path) + 1);
+                    memcpy(title, "Work Calendar - ", strlen("Work Calendar - "));
+                    memcpy(title + strlen("Work Calendar - "), save_file_path, strlen(save_file_path));
+
+                    set_window_title(title);
+                    free(title);
                 }
             }
 
-- 
2.34.1