Module: ui.widgets.progress

Source: ./ui/widgets/progress.reef

Overview

ui/widgets/progress.reef - Progress bar display Part of reef-stdlib UI module

The Progress widget displays the progress of an operation. It shows a bar that fills based on a percentage value.

Progress bars support:

Determinate progress (0-100%)
Indeterminate progress (animated)
Horizontal and vertical orientations
Custom colors
Text labels showing percentage

Types

ProgressStyle (enum)

Variants:

Horizontal
Vertical
Circular

Objects

Progress

Extends: widget.Widget

Fields:

Name	Type
`value`	`float`
`indeterminate`	`bool`
`style`	`ProgressStyle`
`show_label`	`bool`
`custom_color`	`core.Color`
`use_custom_color`	`bool`
`track_color`	`core.Color`
`use_custom_track`	`bool`
`bar_height`	`float`

`proc init(id: widget.WidgetId)`

Methods:

`override shared fn kind(): string`

`override exclusive proc paint(surf: surface.Surface, th: theme.Theme)`

Functions

`fn progress_style_horizontal(): ProgressStyle`

`fn progress_style_vertical(): ProgressStyle`

`fn progress_style_circular(): ProgressStyle`

`fn is_horizontal(s: ProgressStyle): bool`

`fn is_vertical(s: ProgressStyle): bool`

`fn is_circular(s: ProgressStyle): bool`

`fn progress(): Progress`

`fn progress_with_value(value: float): Progress`

`fn progress_indeterminate(): Progress`

`fn progress_value(p: Progress): float`

`fn progress_is_indeterminate(p: Progress): bool`

`fn progress_style(p: Progress): ProgressStyle`

`fn progress_show_label(p: Progress): bool`

`fn progress_set_value(p: Progress, value: float): Progress`

`fn progress_set_indeterminate(p: Progress, indeterminate: bool): Progress`

`fn progress_set_style(p: Progress, style: ProgressStyle): Progress`

`fn progress_set_show_label(p: Progress, show: bool): Progress`

`fn progress_set_color(p: Progress, color: core.Color): Progress`

`fn progress_set_track_color(p: Progress, color: core.Color): Progress`

`fn progress_get_id(p: Progress): widget.WidgetId`

`fn progress_get_state(p: Progress): widget.WidgetState`

`fn progress_get_bounds(p: Progress): core.Rect`

`fn progress_preferred_size(p: Progress, th: theme.Theme): core.Size`

`fn progress_layout(p: Progress, constraints: layout.Constraints, th: theme.Theme): Progress`

`fn progress_handle_event(p: Progress, e: event.Event): widget.EventResult`

`fn get_bar_color(p: Progress, colors: theme.ThemeColors): core.Color`

`fn get_track_color(p: Progress, colors: theme.ThemeColors): core.Color`

`fn sin_approx(x: float): float`

Simple sine approximation (Taylor series, first 3 terms)

`fn cos_approx(x: float): float`

Simple cosine approximation

Procedures

`proc progress_paint(p: Progress, surf: surface.Surface, th: theme.Theme)`

`proc paint_horizontal(p: Progress, surf: surface.Surface, bounds: core.Rect, bar_color: core.Color, track_color: core.Color, th: theme.Theme)`

`proc paint_vertical(p: Progress, surf: surface.Surface, bounds: core.Rect, bar_color: core.Color, track_color: core.Color)`

`proc paint_circular(p: Progress, surf: surface.Surface, bounds: core.Rect, bar_color: core.Color, track_color: core.Color)`

`proc draw_ring_segment(surf: surface.Surface, cx: float, cy: float, radius: float, width: float, color: core.Color, start: float, amount: float)`

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