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45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From 830f6ed5352d32a66c62f49b28439b2bcd904417 Mon Sep 17 00:00:00 2001
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From: Dima Krasner <dima@dimakrasner.com>
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Date: Sat, 2 Dec 2023 10:36:35 +0200
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Subject: [PATCH] fall back to a lower output mode if needed
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(swaywm/sway@4cdc4ac)
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---
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dwl.c | 13 ++++++++++++-
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1 file changed, 12 insertions(+), 1 deletion(-)
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diff --git a/dwl.c b/dwl.c
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index fa76db2..88cabeb 100644
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--- a/dwl.c
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+++ b/dwl.c
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@@ -848,6 +848,7 @@ createmon(struct wl_listener *listener, void *data)
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/* This event is raised by the backend when a new output (aka a display or
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* monitor) becomes available. */
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struct wlr_output *wlr_output = data;
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+ struct wlr_output_mode *preferred_mode, *mode;
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const MonitorRule *r;
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size_t i;
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struct wlr_output_state state;
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@@ -884,7 +885,17 @@ createmon(struct wl_listener *listener, void *data)
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* monitor supports only a specific set of modes. We just pick the
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* monitor's preferred mode; a more sophisticated compositor would let
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* the user configure it. */
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- wlr_output_state_set_mode(&state, wlr_output_preferred_mode(wlr_output));
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+ preferred_mode = wlr_output_preferred_mode(wlr_output);
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+ wlr_output_state_set_mode(&state, preferred_mode);
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+ if (!wlr_output_test_state(wlr_output, &state) && !wl_list_empty(&wlr_output->modes)) {
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+ wl_list_for_each(mode, &wlr_output->modes, link) {
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+ if (mode != preferred_mode) {
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+ wlr_output_state_set_mode(&state, mode);
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+ if (wlr_output_test_state(wlr_output, &state))
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+ break;
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+ }
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+ }
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+ }
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/* Set up event listeners */
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LISTEN(&wlr_output->events.frame, &m->frame, rendermon);
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--
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2.43.0
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