From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001 From: Indrajith K L Date: Sat, 3 Dec 2022 17:00:20 +0530 Subject: Adds most of the tools --- v_windows/v/old/examples/term.ui/cursor_chaser.v | 100 +++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 v_windows/v/old/examples/term.ui/cursor_chaser.v (limited to 'v_windows/v/old/examples/term.ui/cursor_chaser.v') diff --git a/v_windows/v/old/examples/term.ui/cursor_chaser.v b/v_windows/v/old/examples/term.ui/cursor_chaser.v new file mode 100644 index 0000000..dd987e6 --- /dev/null +++ b/v_windows/v/old/examples/term.ui/cursor_chaser.v @@ -0,0 +1,100 @@ +import term.ui as tui + +const ( + colors = [ + tui.Color{33, 150, 243}, + tui.Color{0, 150, 136}, + tui.Color{205, 220, 57}, + tui.Color{255, 152, 0}, + tui.Color{244, 67, 54}, + tui.Color{156, 39, 176}, + ] +) + +struct Point { + x int + y int +} + +struct App { +mut: + tui &tui.Context = 0 + points []Point + color tui.Color = colors[0] + color_idx int + cut_rate f64 = 5 +} + +fn frame(x voidptr) { + mut app := &App(x) + + app.tui.clear() + + if app.points.len > 0 { + app.tui.set_bg_color(app.color) + mut last := app.points[0] + for point in app.points { + // if the cursor moves quickly enough, different events are not + // necessarily touching, so we need to draw a line between them + app.tui.draw_line(last.x, last.y, point.x, point.y) + last = point + } + app.tui.reset() + + l := int(app.points.len / app.cut_rate) + 1 + app.points = app.points[l..].clone() + } + + ww := app.tui.window_width + + app.tui.bold() + app.tui.draw_text(ww / 6, 2, 'V term.input: cursor chaser demo') + app.tui.draw_text((ww - ww / 6) - 14, 2, 'cut rate: ${(100 / app.cut_rate):3.0f}%') + app.tui.horizontal_separator(3) + app.tui.reset() + app.tui.flush() +} + +fn event(e &tui.Event, x voidptr) { + mut app := &App(x) + + match e.typ { + .key_down { + match e.code { + .escape { + exit(0) + } + .space, .enter { + app.color_idx++ + if app.color_idx == colors.len { + app.color_idx = 0 + } + app.color = colors[app.color_idx] + } + else {} + } + } + .mouse_move, .mouse_drag, .mouse_down { + app.points << Point{e.x, e.y} + } + .mouse_scroll { + d := if e.direction == .up { 0.1 } else { -0.1 } + app.cut_rate += d + if app.cut_rate < 1 { + app.cut_rate = 1 + } + } + else {} + } +} + +fn main() { + mut app := &App{} + app.tui = tui.init( + user_data: app + frame_fn: frame + event_fn: event + hide_cursor: true + ) + app.tui.run() ? +} -- cgit v1.2.3