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Eliminated wiki. Individual patches have a README.md explanation in their own subdirectory. Simplified submission of new patches and maintenance of existing patches. Instructions page (README.md autodisplayed) is now at https://codeberg.org/dwl/dwl-patches/
131 lines
3.8 KiB
Diff
131 lines
3.8 KiB
Diff
From 2e1123af5c7ae4354ec997d59cb36143fb2fdd27 Mon Sep 17 00:00:00 2001
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From: wochap <gean.marroquin@gmail.com>
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Date: Mon, 8 Apr 2024 10:23:40 -0500
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Subject: [PATCH] feat: implement headless backend
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---
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config.def.h | 1 +
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dwl.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 59 insertions(+)
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diff --git a/config.def.h b/config.def.h
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index db0babc..f0a2080 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -141,6 +141,7 @@ static const Key keys[] = {
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{ MODKEY, XKB_KEY_period, focusmon, {.i = WLR_DIRECTION_RIGHT} },
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{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_less, tagmon, {.i = WLR_DIRECTION_LEFT} },
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{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_greater, tagmon, {.i = WLR_DIRECTION_RIGHT} },
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+ { MODKEY|WLR_MODIFIER_CTRL|WLR_MODIFIER_SHIFT, XKB_KEY_M, create_output, {0} },
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TAGKEYS( XKB_KEY_1, XKB_KEY_exclam, 0),
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TAGKEYS( XKB_KEY_2, XKB_KEY_at, 1),
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TAGKEYS( XKB_KEY_3, XKB_KEY_numbersign, 2),
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diff --git a/dwl.c b/dwl.c
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index ef27a1d..79a63b0 100644
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--- a/dwl.c
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+++ b/dwl.c
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@@ -12,7 +12,10 @@
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#include <unistd.h>
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#include <wayland-server-core.h>
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#include <wlr/backend.h>
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+#include <wlr/backend/headless.h>
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#include <wlr/backend/libinput.h>
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+#include <wlr/backend/multi.h>
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+#include <wlr/backend/wayland.h>
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#include <wlr/render/allocator.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_compositor.h>
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@@ -58,6 +61,9 @@
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#include <xcb/xcb.h>
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#include <xcb/xcb_icccm.h>
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#endif
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+#if WLR_HAS_X11_BACKEND
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+#include <wlr/backend/x11.h>
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+#endif
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#include "util.h"
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@@ -327,6 +333,8 @@ static Monitor *xytomon(double x, double y);
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static void xytonode(double x, double y, struct wlr_surface **psurface,
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Client **pc, LayerSurface **pl, double *nx, double *ny);
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static void zoom(const Arg *arg);
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+static void _create_output(struct wlr_backend *backend, void *data);
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+static void create_output(const Arg *arg);
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/* variables */
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static const char broken[] = "broken";
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@@ -335,6 +343,7 @@ static int locked;
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static void *exclusive_focus;
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static struct wl_display *dpy;
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static struct wlr_backend *backend;
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+static struct wlr_backend *headless_backend;
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static struct wlr_scene *scene;
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static struct wlr_scene_tree *layers[NUM_LAYERS];
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static struct wlr_scene_tree *drag_icon;
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@@ -2321,6 +2330,16 @@ setup(void)
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cursor_shape_mgr = wlr_cursor_shape_manager_v1_create(dpy, 1);
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LISTEN_STATIC(&cursor_shape_mgr->events.request_set_shape, setcursorshape);
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+ /**
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+ * Initialize headless backend
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+ */
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+ headless_backend = wlr_headless_backend_create(dpy);
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+ if (!headless_backend) {
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+ die("Failed to create secondary headless backend");
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+ } else {
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+ wlr_multi_backend_add(backend, headless_backend);
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+ }
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+
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/*
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* Configures a seat, which is a single "seat" at which a user sits and
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* operates the computer. This conceptually includes up to one keyboard,
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@@ -2746,6 +2765,45 @@ zoom(const Arg *arg)
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arrange(selmon);
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}
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+void
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+_create_output(struct wlr_backend *_backend, void *data)
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+{
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+ bool *done = data;
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+ if (*done) {
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+ return;
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+ }
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+
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+ if (wlr_backend_is_wl(_backend)) {
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+ wlr_wl_output_create(_backend);
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+ *done = true;
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+ } else if (wlr_backend_is_headless(_backend)) {
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+ wlr_headless_add_output(_backend, 1920, 1080);
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+ *done = true;
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+ }
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+#if WLR_HAS_X11_BACKEND
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+ else if (wlr_backend_is_x11(backend)) {
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+ wlr_x11_output_create(backend);
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+ *done = true;
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+ }
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+#endif
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+}
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+
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+void
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+create_output(const Arg *arg)
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+{
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+ bool done = false;
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+
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+ if (!wlr_backend_is_multi(backend)) {
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+ die("Expected a multi backend");
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+ }
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+
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+ wlr_multi_for_each_backend(backend, _create_output, &done);
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+
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+ if (!done) {
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+ die("Can only create outputs for Wayland, X11 or headless backends");
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+ }
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+}
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+
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#ifdef XWAYLAND
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void
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activatex11(struct wl_listener *listener, void *data)
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--
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2.43.2
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