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Add C API for tray menu and tray icon with example usage
- Introduce C API headers and implementations for menu, tray icon, and tray manager - Add tray_menu_c_example demonstrating usage of the new C APIs - Update nativeapi.h to include new C API headers - Register new example in CMakeLists.txt
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‎CMakeLists.txt‎

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@@ -10,3 +10,4 @@ add_subdirectory(examples/display_example)
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add_subdirectory(examples/keyboard_example)
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add_subdirectory(examples/window_example)
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add_subdirectory(examples/tray_icon_example)
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add_subdirectory(examples/tray_menu_c_example)

‎examples/tray_menu_c_example/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.10)
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project(tray_menu_c_example VERSION 0.0.1 LANGUAGES CXX)
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# Set C++ standard
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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# Add example program
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add_executable(tray_menu_c_example
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"main.c"
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)
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# Link main library
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target_link_libraries(tray_menu_c_example PRIVATE libnativeapi)
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# Set example program properties
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set_target_properties(tray_menu_c_example PROPERTIES
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OUTPUT_NAME "tray_menu_c_example"
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)
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# Set example program compile options (macOS only)
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if(APPLE)
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set_source_files_properties("main.cpp"
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PROPERTIES
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COMPILE_FLAGS "-x objective-c++"
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)
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endif()

‎examples/tray_menu_c_example/main.c‎

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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <unistd.h>
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#endif
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// Include individual C API headers instead of the full nativeapi.h
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#include "../../src/capi/menu_c.h"
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#include "../../src/capi/tray_icon_c.h"
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#include "../../src/capi/tray_manager_c.h"
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// Callback functions
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void on_menu_item_clicked(const native_menu_item_selected_event_t* event, void* user_data) {
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printf("Menu item clicked: ID=%ld, Text='%s'\n", event->item_id, event->item_text);
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if (strcmp(event->item_text, "Exit") == 0) {
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printf("Exiting application...\n");
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exit(0);
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} else if (strcmp(event->item_text, "Show Message") == 0) {
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printf("Hello from tray menu!\n");
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}
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}
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void on_checkbox_state_changed(const native_menu_item_state_changed_event_t* event, void* user_data) {
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printf("Checkbox state changed: ID=%ld, Checked=%s\n",
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event->item_id, event->checked ? "true" : "false");
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}
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void on_tray_left_click(void* user_data) {
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printf("Tray icon left clicked!\n");
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}
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void on_tray_right_click(void* user_data) {
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printf("Tray icon right clicked!\n");
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}
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void on_tray_double_click(void* user_data) {
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printf("Tray icon double clicked!\n");
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}
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void on_menu_will_show(native_menu_id_t menu_id, void* user_data) {
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printf("Menu will show: ID=%ld\n", menu_id);
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}
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void on_menu_did_hide(native_menu_id_t menu_id, void* user_data) {
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printf("Menu did hide: ID=%ld\n", menu_id);
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}
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int main() {
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printf("=== Tray Menu C API Example ===\n");
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// Check if system tray is supported
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if (!native_tray_manager_is_supported()) {
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printf("Error: System tray is not supported on this platform!\n");
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return 1;
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}
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printf("System tray is supported.\n");
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// Create a menu
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native_menu_t menu = native_menu_create();
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if (!menu) {
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printf("Error: Failed to create menu!\n");
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return 1;
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}
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printf("Created menu with ID: %ld\n", native_menu_get_id(menu));
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// Create menu items
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native_menu_item_t item1 = native_menu_item_create("Show Message", NATIVE_MENU_ITEM_TYPE_NORMAL);
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native_menu_item_t item2 = native_menu_item_create("Settings", NATIVE_MENU_ITEM_TYPE_NORMAL);
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native_menu_item_t checkbox = native_menu_item_create("Enable Notifications", NATIVE_MENU_ITEM_TYPE_CHECKBOX);
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native_menu_item_t separator = native_menu_item_create_separator();
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native_menu_item_t exit_item = native_menu_item_create("Exit", NATIVE_MENU_ITEM_TYPE_NORMAL);
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if (!item1 || !item2 || !checkbox || !separator || !exit_item) {
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printf("Error: Failed to create menu items!\n");
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native_menu_destroy(menu);
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return 1;
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}
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// Set up menu item properties
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native_menu_item_set_enabled(item1, true);
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native_menu_item_set_tooltip(item1, "Click to show a message");
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// Set up keyboard accelerator for exit item
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native_keyboard_accelerator_t exit_accel = {
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.modifiers = NATIVE_ACCELERATOR_MODIFIER_CTRL,
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.key = "Q"
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};
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native_menu_item_set_accelerator(exit_item, &exit_accel);
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// Set checkbox state
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native_menu_item_set_checked(checkbox, true);
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// Set up event handlers
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native_menu_item_set_on_click(item1, on_menu_item_clicked, NULL);
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native_menu_item_set_on_click(item2, on_menu_item_clicked, NULL);
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native_menu_item_set_on_click(exit_item, on_menu_item_clicked, NULL);
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native_menu_item_set_on_state_changed(checkbox, on_checkbox_state_changed, NULL);
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// Add items to menu
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native_menu_add_item(menu, item1);
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native_menu_add_item(menu, item2);
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native_menu_add_item(menu, checkbox);
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native_menu_add_item(menu, separator);
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native_menu_add_item(menu, exit_item);
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printf("Added %zu items to menu\n", native_menu_get_item_count(menu));
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// Set menu callbacks
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native_menu_set_on_will_show(menu, on_menu_will_show, NULL);
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native_menu_set_on_did_hide(menu, on_menu_did_hide, NULL);
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// Create a submenu example
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native_menu_t submenu = native_menu_create();
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if (submenu) {
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native_menu_item_t sub_item1 = native_menu_item_create("Sub Item 1", NATIVE_MENU_ITEM_TYPE_NORMAL);
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native_menu_item_t sub_item2 = native_menu_item_create("Sub Item 2", NATIVE_MENU_ITEM_TYPE_NORMAL);
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if (sub_item1 && sub_item2) {
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native_menu_add_item(submenu, sub_item1);
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native_menu_add_item(submenu, sub_item2);
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// Create submenu item and add to main menu
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native_menu_item_t submenu_item = native_menu_create_and_add_submenu(menu, "More Options", submenu);
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if (submenu_item) {
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printf("Created submenu with %zu items\n", native_menu_get_item_count(submenu));
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}
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}
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}
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// Create tray icon
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native_tray_icon_t tray_icon = native_tray_manager_create();
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if (!tray_icon) {
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printf("Error: Failed to create tray icon!\n");
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native_menu_destroy(menu);
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return 1;
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}
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printf("Created tray icon with ID: %ld\n", native_tray_icon_get_id(tray_icon));
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// Set up tray icon properties
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native_tray_icon_set_title(tray_icon, "My App");
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native_tray_icon_set_tooltip(tray_icon, "My Application - Right click for menu");
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// Set the context menu
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native_tray_icon_set_context_menu(tray_icon, menu);
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// Set up tray icon event handlers
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native_tray_icon_set_on_left_click(tray_icon, on_tray_left_click, NULL);
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native_tray_icon_set_on_right_click(tray_icon, on_tray_right_click, NULL);
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native_tray_icon_set_on_double_click(tray_icon, on_tray_double_click, NULL);
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// Show the tray icon
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if (native_tray_icon_show(tray_icon)) {
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printf("Tray icon is now visible\n");
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} else {
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printf("Warning: Failed to show tray icon\n");
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}
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// Get tray icon bounds
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native_rectangle_t bounds;
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if (native_tray_icon_get_bounds(tray_icon, &bounds)) {
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printf("Tray icon bounds: x=%.1f, y=%.1f, width=%.1f, height=%.1f\n",
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bounds.x, bounds.y, bounds.width, bounds.height);
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}
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// Demonstrate menu item lookup
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native_menu_item_t found_item = native_menu_find_item_by_text(menu, "Exit");
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if (found_item) {
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printf("Found 'Exit' menu item with ID: %ld\n", native_menu_item_get_id(found_item));
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// Get accelerator info
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native_keyboard_accelerator_t accel;
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if (native_menu_item_get_accelerator(found_item, &accel)) {
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char accel_str[64];
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if (native_keyboard_accelerator_to_string(&accel, accel_str, sizeof(accel_str)) > 0) {
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printf("Exit item accelerator: %s\n", accel_str);
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}
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}
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}
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// Show all managed tray icons
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native_tray_icon_list_t tray_list = native_tray_manager_get_all();
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printf("Total managed tray icons: %zu\n", tray_list.count);
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native_tray_icon_list_free(tray_list);
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printf("\n=== Tray icon and menu are now active ===\n");
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printf("- Left click the tray icon to see left click message\n");
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printf("- Right click the tray icon to open context menu\n");
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printf("- Double click the tray icon to see double click message\n");
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printf("- Use menu items to interact with the application\n");
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printf("- Click 'Exit' to quit\n");
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printf("\nRunning... (Press Ctrl+C to force quit)\n");
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// Simple event loop (in a real application, you'd use the platform's event loop)
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// This is just to keep the program running so the tray icon stays active
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while (1) {
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// In a real application, you would handle events here
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// For this demo, we'll just sleep and let the system handle tray events
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#ifdef _WIN32
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Sleep(1000); // Windows - sleep for 1000ms
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#else
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sleep(1); // Unix/Linux/macOS - sleep for 1 second
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#endif
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}
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// Cleanup (this won't be reached due to the infinite loop above)
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native_tray_icon_destroy(tray_icon);
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native_menu_destroy(menu);
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if (submenu) {
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native_menu_destroy(submenu);
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}
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return 0;
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}

‎include/nativeapi.h‎

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#include "../src/capi/display_manager_c.h"
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#include "../src/capi/geometry_c.h"
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#include "../src/capi/keyboard_monitor_c.h"
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#include "../src/capi/menu_c.h"
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#include "../src/capi/tray_icon_c.h"
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#include "../src/capi/tray_manager_c.h"
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#include "../src/capi/window_c.h"
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#include "../src/capi/window_manager_c.h"

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