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authorIndrajith K L2022-12-03 17:00:20 +0530
committerIndrajith K L2022-12-03 17:00:20 +0530
commitf5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch)
tree2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/examples/term.ui/cursor_chaser.v
downloadcli-tools-windows-master.tar.gz
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Adds most of the toolsHEADmaster
Diffstat (limited to 'v_windows/v/examples/term.ui/cursor_chaser.v')
-rw-r--r--v_windows/v/examples/term.ui/cursor_chaser.v100
1 files changed, 100 insertions, 0 deletions
diff --git a/v_windows/v/examples/term.ui/cursor_chaser.v b/v_windows/v/examples/term.ui/cursor_chaser.v
new file mode 100644
index 0000000..dd987e6
--- /dev/null
+++ b/v_windows/v/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() ?
+}