Module: reefvision.widgets.slider

Source: ./reefvision/widgets/slider.reef

Overview

reefvision.widgets.slider — stepped value control:

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Minus/plus change by step. The bar is click/drag. The bracketed field is an InputLine; Enter (or commit()) parses, snaps to step, and moves the bar.

Objects

Slider

Extends: view.Group

Fields:

proc init(bounds: cell.Rect, min_val: int, max_val: int, value: int, step_val: int)

Methods:

override shared fn wants_focus(): bool

override shared fn captures_mouse(): bool

exclusive proc set_step(step_val: int)

exclusive proc set_value(value: int)

exclusive proc set_range(min_val: int, max_val: int)

exclusive proc commit()

exclusive proc sync_input()

exclusive proc nudge(dir: int)

override exclusive proc draw(buf: cell.CellBuffer, abs: cell.Rect, clip: cell.Rect, focused: bool, th: theme.Theme)

override exclusive fn handle_event(e: event.Event): view.EventResult

exclusive proc relayout()

exclusive proc apply_bar_x(local_x: int)

Functions

fn plus_col(w: int): int

fn box_col(w: int): int

fn bar_width(w: int): int

fn field_rect(w: int): cell.Rect

fn in_bar(local_x: int, w: int): bool

fn snap_val(lo: int, hi: int, step_val: int, v: int): int

Procedures

proc put_ch(buf: cell.CellBuffer, x: int, y: int, ch: int, st: cell.Style, clip: cell.Rect)

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