main.v

import vi_v

import ui
import gx
import os

// Some parameters
const (
  app_title = 'Vi-v'
  win_width = 700
  win_height = 385
  nr_cols = 4
  cell_height = 25
  cell_width = 100
  table_width = cell_width * nr_cols
)

// State can save the actual window state for futher restoration. This is the app
struct App {
mut:
  window     &ui.Window
  label      &ui.Label
  started    bool
}

// Vi-v entrypoint
fn main() {
  // Instantiate the app
  mut app := &App{
    //some var to save that can restore the actual state of window
  }

  create(app,canvas_draw)

  ui.run(app.window)
}

fn create(app mut &App, draw fn(App)) &App {
  // Open the window
  window := ui.window({
    width: win_width
    height: win_height
    state: app
    title: app_title
  }, [
      ui.canvas(
        height: 275
        draw_fn: draw
      )
    ]),
    ui.menu(
      items: [
        ui.MenuItem{'Delete all users', menu_click},
        ui.MenuItem{'Export users', menu_click},
        ui.MenuItem{'Exit', menu_click},
      ]
    )
  ])
  app.window = window
  return app
}


fn menu_click() {
  ui.message_box('Menu clicked')
}

fn btn_help_click(a, b voidptr) {
  ui.message_box('Built with V UI')
}

/*
fn (app mut App) btn_add_click(b &Button) {
}
*/

fn btn_add_click(mut app App, x voidptr) {
  
}

fn canvas_draw(app &App) {
  gg := app.window.ui.gg
  x := 240
  gg.draw_rect(x - 20, 0, table_width + 100, 800, gx.white)
  y := 20 * cell_height
  // Outer border
  gg.draw_empty_rect(x, y, table_width, cell_height, gx.Gray)
  gg.draw_empty_rect(x, y, table_width, cell_height, gx.Gray)
}