FlippyPass/project/ui.c

// Header
#include "ui.h"

// Functions
uiManager* ui_create() {
    // Creating the UI Manager
    uiManager* result = malloc(sizeof(uiManager));

    // Defining basic variables
    result->running = true;
    result->page = 0;

    // Creating a GUI
    result->gui = furi_record_open(RECORD_GUI);

    // Creating a canvas
    result->canvas = view_port_alloc();
    view_port_draw_callback_set(result->canvas, ui_draw, result);
    gui_add_view_port(result->gui, result->canvas, GuiLayerFullscreen);

    // Creating mutex
    result->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
    if (!result->mutex) {
        FURI_LOG_E(TAG, "Failed to create Mutex\r\n");
        free(result);
        return NULL;
    }

    // Creating event queue
    result->event_queue = furi_message_queue_alloc(8, sizeof(InputEvent));

    // Returning the UI Manager
    return result;
}

void ui_draw(Canvas* canvas, void* ctx) {
    // Showing the Main Menu
    ui_p_mainmenu(canvas);

    // Context into Result
    uiManager* manager = (uiManager*)ctx;

    // Switching page
    switch(manager->page){
    case 0:
        ui_p_mainmenu(canvas);
        break;
    }
}
void ui_p_mainmenu(Canvas* canvas) {
    canvas_set_font(canvas, FontPrimary);
    canvas_draw_str(canvas, 2, 11, "FlippyPass");

    //canvas_draw_icon(canvas, 15, 16, &I_ButtonRight_4x7);

    canvas_set_font(canvas, FontSecondary);
    canvas_draw_str(canvas, 22, 23, "View Passwords");

    canvas_set_font(canvas, FontSecondary);
    canvas_draw_str(canvas, 22, 41, "Create Password");

    canvas_set_font(canvas, FontSecondary);
    canvas_draw_str(canvas, 22, 51, "About");

    canvas_set_font(canvas, FontSecondary);
    canvas_draw_str(canvas, 22, 32, "View Archive");
}

void ui_delete(uiManager* manager) {
    furi_message_queue_free(manager->event_queue);
    view_port_enabled_set(manager->canvas, false);
    gui_remove_view_port(manager->gui, manager->canvas);
    view_port_free(manager->canvas);
    furi_record_close(RECORD_GUI);
    furi_mutex_free(manager->mutex);
    free(manager);
}