Created
July 16, 2024 12:46
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Rustでデスクトップアプリを作ろう unit_converter/src/main.rs
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use tk::*; | |
use tk::cmd::*; | |
use tcl::*; | |
fn main() -> TkResult<()> { | |
// Tkの初期化 | |
let tk = make_tk!()?; | |
let root = tk.root(); | |
root.set_wm_title("インチからセンチへの変換")?; | |
// ウィンドウ上にフレームを作成 | |
let c = root | |
.add_ttk_frame(())? | |
.pack(())?; | |
c.configure( -padding(12) )?; // 余白を設定 | |
// Gridレイアウトを利用してウィジェットを配置 --- (*1) | |
c.add_ttk_label( "inch_lbl" -text("インチ") )? | |
.grid( -column(1) -row(1) -sticky("ne") )?; | |
c.add_entry( "inch_entry" -textvariable("inch_var") )? | |
.grid( -column(2) -row(1) -sticky("nw") )?; | |
c.add_button( "calc" -text("計算") -command("calculate") )? | |
.grid( -column(3) -row(1) -sticky("w") )?; | |
c.add_ttk_label( "cm_lbl" -text("センチ") )? | |
.grid( -column(1) -row(2) -sticky("ne") )?; | |
c.add_entry( "cm_entry" -textvariable("cm_var") )? | |
.grid( -column(2) -row(2) -sticky("nw") )?; | |
// Entryに初期値を設定 --- (*2) | |
tk.run(("set", "inch_var", "30.0"))?; | |
// 計算関数を定義 --- (*3) | |
#[proc] fn calculate() -> TkResult<()> { | |
let interp = tcl_interp!(); | |
let inch: f64 = interp.get_double("inch_var")?; | |
let cm = inch * 2.54; | |
interp.set_double("cm_var", cm); | |
Ok(()) | |
} | |
// 定義した関数を登録 --- (*4) | |
unsafe{ tk.def_proc( "calculate", calculate ); } | |
// メインループ | |
Ok( main_loop() ) | |
} | |
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