x.multiwindow/gg: complete native event coverage part2 by GGRei · Pull Request #27711 · vlang/v

GGRei · 2026-07-09T10:22:06Z

Summary

This PR completes the second part of the x.multiwindow and gg multi-window work.

It extends the opt-in gg multi-window path so native window and input events are routed across the supported backends, while keeping the existing single-window gg path isolated.

Normal import gg does not pull x.multiwindow. The new API still requires -d gg_multiwindow.

What changed

Added native event routing for window lifecycle, resize, close, mouse, keyboard, text, focus, file drop, and touch events.
Added cursor shape support and interactive move/resize hooks where the backend supports them.
Extended the gg multi-window facade so users can work from gg without importing x.multiwindow directly.
Extended AppKit, Win32, X11, and Wayland backend plumbing.
Added Wayland helper sources for cursor shape and xdg decoration negotiation.
Updated examples/gg/multiwindow.v to demonstrate multiple windows, per-window routing, cursor and resize behavior, and backend capability reporting.
Updated the gg and x.multiwindow documentation.
Strengthened CI coverage for Linux, macOS, and Windows.

Usage

./v -d gg_multiwindow run examples/gg/multiwindow.v
./v -d gg_multiwindow -d x_multiwindow_x11 run examples/gg/multiwindow.v
./v -d gg_multiwindow -d sokol_wayland run examples/gg/multiwindow.v
./v -d gg_multiwindow -d sokol_metal run examples/gg/multiwindow.v
./v -d gg_multiwindow -d sokol_d3d11 run examples/gg/multiwindow.v

Compatibility

Without -d gg_multiwindow, the multi-window API returns a clear opt-in error and does not load native multi-window backend dependencies.

The existing single-window gg path remains unchanged.

Validation

./v -d gg_multiwindow test vlib/x/multiwindow vlib/gg/multiwindow_api_d_gg_multiwindow_test.v vlib/gg/frame_pacing_test.v vlib/gg/draw_fns_api_test.v vlib/gg/draw_rect_empty_test.v
./v -d gg_multiwindow test vlib/gg/legacy_import_multiwindow_isolation_test.v
./v -d gg_multiwindow -d sokol_wayland -o /tmp/gg_multiwindow_wayland examples/gg/multiwindow.v
./v -d gg_multiwindow -d x_multiwindow_x11 -o /tmp/gg_multiwindow_x11 examples/gg/multiwindow.v

Manual local Wayland testing was also done for move, resize, cursor hover, and decoration behavior.

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GGRei · 2026-07-09T11:38:54Z

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GGRei · 2026-07-09T12:35:48Z

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GGRei · 2026-07-09T13:07:34Z

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GGRei · 2026-07-09T14:21:52Z

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GGRei · 2026-07-09T21:17:16Z

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GGRei · 2026-07-09T21:52:27Z

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Codex Review: Didn't find any major issues. Chef's kiss.

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GGRei · 2026-07-09T22:09:24Z

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Comment thread vlib/x/multiwindow/types.v Outdated

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Comment thread vlib/gg/multiwindow_d_gg_multiwindow.v

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x.multiwindow/gg: complete native event coverage part2

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GGRei commented Jul 9, 2026

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