Module: ui.backend.platform

Source: ./ui/backend/platform.reef

Overview

ui/backend/platform.reef - Platform abstraction for windowing systems Part of reef-stdlib UI module

This module defines the platform abstraction that all windowing backends implement. It provides common types and interfaces for window management, event handling, and system integration.

Types

Cursor (enum)

Variants:

Default
Arrow
IBeam
Crosshair
Hand
ResizeNS
ResizeEW
ResizeNWSE
ResizeNESW
Move
NotAllowed
Wait
Hidden

PlatformWindowConfig

Fields:

Name	Type
`title`	`string`
`width`	`int`
`height`	`int`
`x`	`int`
`y`	`int`
`resizable`	`bool`
`decorated`	`bool`
`transparent`	`bool`
`always_on_top`	`bool`
`fullscreen`	`bool`

PlatformEventKind (enum)

Variants:

None
Quit
Window
Mouse
Key
Focus

PlatformEvent

Fields:

Name	Type
`kind`	`PlatformEventKind`
`window_id`	`int`
`window_event`	`event.WindowEvent`
`mouse_event`	`event.MouseEvent`
`key_event`	`event.KeyEvent`
`focus_event`	`event.FocusEvent`

PlatformCapabilities

Fields:

Name	Type
`name`	`string`
`supports_transparency`	`bool`
`supports_multiple_windows`	`bool`
`supports_clipboard`	`bool`
`supports_drag_drop`	`bool`
`supports_cursor_shapes`	`bool`
`supports_high_dpi`	`bool`

WindowHandle

Fields:

Name	Type
`ptr`	`pointer`

Functions

`fn cursor_default(): Cursor`

`fn cursor_arrow(): Cursor`

`fn cursor_ibeam(): Cursor`

`fn cursor_crosshair(): Cursor`

`fn cursor_hand(): Cursor`

`fn cursor_resize_ns(): Cursor`

`fn cursor_resize_ew(): Cursor`

`fn cursor_resize_nwse(): Cursor`

`fn cursor_resize_nesw(): Cursor`

`fn cursor_move(): Cursor`

`fn cursor_not_allowed(): Cursor`

`fn cursor_wait(): Cursor`

`fn cursor_hidden(): Cursor`

`fn is_cursor_default(c: Cursor): bool`

`fn cursor_name(c: Cursor): string`

`fn platform_window_config(title: string, width: int, height: int): PlatformWindowConfig`

`fn platform_window_config_full(title: string, width: int, height: int, x: int, y: int, resizable: bool, decorated: bool, transparent: bool, always_on_top: bool, fullscreen: bool): PlatformWindowConfig`

`fn default_mouse_event(): event.MouseEvent`

Helper to create default mouse event

`fn default_key_event(): event.KeyEvent`

Helper to create default key event

`fn platform_event_none(): PlatformEvent`

`fn platform_event_quit(): PlatformEvent`

`fn platform_event_window_resize(window_id: int, width: int, height: int): PlatformEvent`

`fn platform_event_window_close(window_id: int): PlatformEvent`

`fn platform_event_window_expose(window_id: int): PlatformEvent`

`fn platform_event_mouse(window_id: int, me: event.MouseEvent): PlatformEvent`

`fn platform_event_key(window_id: int, ke: event.KeyEvent): PlatformEvent`

`fn platform_event_focus(window_id: int, fe: event.FocusEvent): PlatformEvent`

`fn pe_is_none(e: PlatformEvent): bool`

`fn pe_is_quit(e: PlatformEvent): bool`

`fn platform_capabilities(name: string, supports_transparency: bool, supports_multiple_windows: bool, supports_clipboard: bool, supports_drag_drop: bool, supports_cursor_shapes: bool, supports_high_dpi: bool): PlatformCapabilities`

`fn window_handle_null(): WindowHandle`

`fn window_handle_from_pointer(p: pointer): WindowHandle`

`fn window_handle_is_null(h: WindowHandle): bool`

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