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83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
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import ui
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import gx
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const (
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NR_COLS = 3
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CELL_HEIGHT = 25
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CELL_WIDTH = 100
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TABLE_WIDTH = CELL_WIDTH * NR_COLS
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)
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struct User {
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first_name string
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last_name string
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age int
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}
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struct Context {
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first_name ui.TextBox
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last_name ui.TextBox
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age ui.TextBox
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users []User
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window *ui.Window
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txt_pos int
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}
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fn main() {
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mut ctx := &Context {
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txt_pos: 10
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}
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ctx.window = ui.new_window(ui.WinCfg {
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width: 500
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height: 300
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title: 'Users'
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draw_fn: draw
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ptr: ctx
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})
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ctx.first_name = ctx.add_textbox('First name')
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ctx.last_name = ctx.add_textbox('Last name')
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ctx.age = ctx.add_textbox('Age')
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mut btn := ui.new_button('Add user', ctx.window, btn_click)
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btn.widget.set_pos(TABLE_WIDTH + 50, ctx.txt_pos)
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for {
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ui.wait_events()
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}
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}
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// TODO replace with `fn (ctx mut Context) btn_click() {`
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fn btn_click(_ctx *Context) {
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mut ctx = _ctx// TODO hack
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ctx.users << User {
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first_name: ctx.first_name.text()
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last_name: ctx.last_name.text()
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age: ctx.age.text().to_i()
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}
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ctx.window.refresh()
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}
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// TODO replace with `fn (ctx mut Context) draw() {`
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fn draw(ctx *Context) {
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for i, user in ctx.users {
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x := 10
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y := 10 + i * CELL_HEIGHT
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// Outer border
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gx.draw_empty_rect(x, y, TABLE_WIDTH, CELL_HEIGHT, gx.GRAY)
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// Vertical separators
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gx.draw_line(x + CELL_WIDTH, y, x + CELL_WIDTH, y + CELL_HEIGHT)
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gx.draw_line(x + CELL_WIDTH * 2, y, x + CELL_WIDTH * 2, y + CELL_HEIGHT)
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// Text values
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gx.draw_text_def(x + 5, y + 5, user.first_name)
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gx.draw_text_def(x + 5 + CELL_WIDTH, y + 5, user.last_name)
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gx.draw_text_def(x + 5 + CELL_WIDTH * 2, y + 5, user.age.str())
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}
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}
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fn (ctx mut Context) add_textbox(placeholder string) ui.TextBox {
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mut txt_box := ui.new_textbox(ctx.window, false)
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txt_box.set_placeholder(placeholder)
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txt_box.widget.set_pos(TABLE_WIDTH + 50, ctx.txt_pos)
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ctx.txt_pos += 30
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return txt_box
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}
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