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		9c5d5d85f3
		
			
		
	
	
	
	
		
			
			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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| ---
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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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| 
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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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|  
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|  #include "util.h"
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|  
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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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|  
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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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| +	/**
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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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|  
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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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| 
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