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display mode patch for v0.7

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Maarten A. 2025-11-12 22:44:54 +01:00
parent e104ef3495
commit 95fc5bc2e3
2 changed files with 95 additions and 0 deletions
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11
patches/display_mode/README.md Normal file
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@ -0,0 +1,11 @@
### Description
Add the display mode to the monitor rules.
The value for the mode can be from a program like [wlr-randr](https://gitlab.freedesktop.org/emersion/wlr-randr), with the first option being 0.
### Download
- [v0.7](/dwl/dwl-patches/raw/branch/main/patches/display_mode/display_mode.patch)
### Authors - latest at top
- [Toothpick](https://codeberg.org/Toothpick)

84
patches/display_mode/display_mode.patch Normal file
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From b8c5891e7643c6d786cd5c8cdd2fef8dfb9ced7b Mon Sep 17 00:00:00 2001
From: "Maarten A." <maarten410@gmail.com>
Date: Wed, 12 Nov 2025 22:01:19 +0100
Subject: [PATCH] Add mode_index to display configuration
---
config.def.h | 8 +++++---
dwl.c | 14 +++++++++++++-
2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/config.def.h b/config.def.h
index 22d2171..c942289 100644
--- a/config.def.h
+++ b/config.def.h
@@ -40,15 +40,17 @@ static const Layout layouts[] = {
/* (x=-1, y=-1) is reserved as an "autoconfigure" monitor position indicator
* WARNING: negative values other than (-1, -1) cause problems with Xwayland clients
* https://gitlab.freedesktop.org/xorg/xserver/-/issues/899
+ *
+ * mode: 0 based index of the display mode use -1 to use the preferred display mode
*/
/* NOTE: ALWAYS add a fallback rule, even if you are completely sure it won't be used */
static const MonitorRule monrules[] = {
- /* name mfact nmaster scale layout rotate/reflect x y */
+ /* name mfact nmaster scale layout rotate/reflect x y mode */
/* example of a HiDPI laptop monitor:
- { "eDP-1", 0.5f, 1, 2, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, -1, -1 },
+ { "eDP-1", 0.5f, 1, 2, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, -1, -1, -1},
*/
/* defaults */
- { NULL, 0.55f, 1, 1, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, -1, -1 },
+ { NULL, 0.55f, 1, 1, &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL, -1, -1, -1},
};
/* keyboard */
diff --git a/dwl.c b/dwl.c
index a2711f6..1f34b94 100644
--- a/dwl.c
+++ b/dwl.c
@@ -218,6 +218,7 @@ typedef struct {
const Layout *lt;
enum wl_output_transform rr;
int x, y;
+ int mode_index;
} MonitorRule;
typedef struct {
@@ -978,6 +979,7 @@ createmon(struct wl_listener *listener, void *data)
const MonitorRule *r;
size_t i;
struct wlr_output_state state;
+ struct wlr_output_mode *mode = wlr_output_preferred_mode(wlr_output);
Monitor *m;
if (!wlr_output_init_render(wlr_output, alloc, drw))
@@ -1003,6 +1005,16 @@ createmon(struct wl_listener *listener, void *data)
strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, LENGTH(m->ltsymbol));
wlr_output_state_set_scale(&state, r->scale);
wlr_output_state_set_transform(&state, r->rr);
+ if (r->mode_index >= 0 && !wl_list_empty(&wlr_output->modes)) {
+ int count = 0;
+ struct wlr_output_mode *mode_iter;
+ wl_list_for_each(mode_iter, &wlr_output->modes, link) {
+ if (count == r->mode_index) {
+ mode = mode_iter;
+ break;
+ } count++;
+ }
+ }
break;
}
}
@@ -1011,7 +1023,7 @@ createmon(struct wl_listener *listener, void *data)
* monitor supports only a specific set of modes. We just pick the
* monitor's preferred mode; a more sophisticated compositor would let
* the user configure it. */
- wlr_output_state_set_mode(&state, wlr_output_preferred_mode(wlr_output));
+ wlr_output_state_set_mode(&state, mode);
/* Set up event listeners */
LISTEN(&wlr_output->events.frame, &m->frame, rendermon);
--
2.47.3