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Implement support for output power management

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This patch is based on the original stale patch by Guido Cella @guidocella.
It has been modified to apply cleanly to the latest v5.0 tag. Since the SLOC
limit is now lifted, this core feature should be merged into dwl upstream.

Thanks to Dima Krasner @dimkr for the cherry-pick.

Closes: #559, #525
This commit is contained in:
Emil Miler 2024-01-17 09:45:03 +01:00 committed by Leonardo Hernández Hernández
parent 92d1c286b8
commit 9b1f35e42b
No known key found for this signature in database
GPG key ID: E538897EE11B9624
3 changed files with 146 additions and 1 deletions
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5
Makefile
View file

@ -16,7 +16,7 @@ LDLIBS = `$(PKG_CONFIG) --libs $(PKGS)` $(LIBS)
all: dwl
dwl: dwl.o util.o
$(CC) dwl.o util.o $(DWLCFLAGS) $(LDFLAGS) $(LDLIBS) -o $@
dwl.o: dwl.c client.h config.h config.mk cursor-shape-v1-protocol.h pointer-constraints-unstable-v1-protocol.h wlr-layer-shell-unstable-v1-protocol.h xdg-shell-protocol.h
dwl.o: dwl.c client.h config.h config.mk cursor-shape-v1-protocol.h pointer-constraints-unstable-v1-protocol.h wlr-layer-shell-unstable-v1-protocol.h xdg-shell-protocol.h wlr-output-power-management-unstable-v1-protocol.h
util.o: util.c util.h
# wayland-scanner is a tool which generates C headers and rigging for Wayland
@ -37,6 +37,9 @@ wlr-layer-shell-unstable-v1-protocol.h:
xdg-shell-protocol.h:
$(WAYLAND_SCANNER) server-header \
$(WAYLAND_PROTOCOLS)/stable/xdg-shell/xdg-shell.xml $@
wlr-output-power-management-unstable-v1-protocol.h:
$(WAYLAND_SCANNER) server-header \
protocols/wlr-output-power-management-unstable-v1.xml $@
config.h:
cp config.def.h $@

14
dwl.c
View file

@ -34,6 +34,7 @@
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output_management_v1.h>
#include <wlr/types/wlr_output_power_management_v1.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/types/wlr_pointer_constraints_v1.h>
#include <wlr/types/wlr_presentation_time.h>
@ -310,6 +311,7 @@ static void outputmgrtest(struct wl_listener *listener, void *data);
static void pointerfocus(Client *c, struct wlr_surface *surface,
double sx, double sy, uint32_t time);
static void printstatus(void);
static void powermgrsetmodenotify(struct wl_listener *listener, void *data);
static void quit(const Arg *arg);
static void rendermon(struct wl_listener *listener, void *data);
static void requestdecorationmode(struct wl_listener *listener, void *data);
@ -381,6 +383,7 @@ static struct wlr_gamma_control_manager_v1 *gamma_control_mgr;
static struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard_mgr;
static struct wlr_virtual_pointer_manager_v1 *virtual_pointer_mgr;
static struct wlr_cursor_shape_manager_v1 *cursor_shape_mgr;
static struct wlr_output_power_manager_v1 *power_mgr;
static struct wlr_pointer_constraints_v1 *pointer_constraints;
static struct wlr_relative_pointer_manager_v1 *relative_pointer_mgr;
@ -2011,6 +2014,14 @@ printstatus(void)
fflush(stdout);
}
void
powermgrsetmodenotify(struct wl_listener *listener, void *data)
{
struct wlr_output_power_v1_set_mode_event *event = data;
wlr_output_enable(event->output, event->mode);
wlr_output_commit(event->output);
}
void
quit(const Arg *arg)
{
@ -2422,6 +2433,9 @@ setup(void)
gamma_control_mgr = wlr_gamma_control_manager_v1_create(dpy);
LISTEN_STATIC(&gamma_control_mgr->events.set_gamma, setgamma);
power_mgr = wlr_output_power_manager_v1_create(dpy);
LISTEN_STATIC(&power_mgr->events.set_mode, powermgrsetmodenotify);
/* Creates an output layout, which a wlroots utility for working with an
* arrangement of screens in a physical layout. */
output_layout = wlr_output_layout_create();

128
protocols/wlr-output-power-management-unstable-v1.xml Normal file
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@ -0,0 +1,128 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="wlr_output_power_management_unstable_v1">
<copyright>
Copyright © 2019 Purism SPC
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<description summary="Control power management modes of outputs">
This protocol allows clients to control power management modes
of outputs that are currently part of the compositor space. The
intent is to allow special clients like desktop shells to power
down outputs when the system is idle.
To modify outputs not currently part of the compositor space see
wlr-output-management.
Warning! The protocol described in this file is experimental and
backward incompatible changes may be made. Backward compatible changes
may be added together with the corresponding interface version bump.
Backward incompatible changes are done by bumping the version number in
the protocol and interface names and resetting the interface version.
Once the protocol is to be declared stable, the 'z' prefix and the
version number in the protocol and interface names are removed and the
interface version number is reset.
</description>
<interface name="zwlr_output_power_manager_v1" version="1">
<description summary="manager to create per-output power management">
This interface is a manager that allows creating per-output power
management mode controls.
</description>
<request name="get_output_power">
<description summary="get a power management for an output">
Create a output power management mode control that can be used to
adjust the power management mode for a given output.
</description>
<arg name="id" type="new_id" interface="zwlr_output_power_v1"/>
<arg name="output" type="object" interface="wl_output"/>
</request>
<request name="destroy" type="destructor">
<description summary="destroy the manager">
All objects created by the manager will still remain valid, until their
appropriate destroy request has been called.
</description>
</request>
</interface>
<interface name="zwlr_output_power_v1" version="1">
<description summary="adjust power management mode for an output">
This object offers requests to set the power management mode of
an output.
</description>
<enum name="mode">
<entry name="off" value="0"
summary="Output is turned off."/>
<entry name="on" value="1"
summary="Output is turned on, no power saving"/>
</enum>
<enum name="error">
<entry name="invalid_mode" value="1" summary="inexistent power save mode"/>
</enum>
<request name="set_mode">
<description summary="Set an outputs power save mode">
Set an output's power save mode to the given mode. The mode change
is effective immediately. If the output does not support the given
mode a failed event is sent.
</description>
<arg name="mode" type="uint" enum="mode" summary="the power save mode to set"/>
</request>
<event name="mode">
<description summary="Report a power management mode change">
Report the power management mode change of an output.
The mode event is sent after an output changed its power
management mode. The reason can be a client using set_mode or the
compositor deciding to change an output's mode.
This event is also sent immediately when the object is created
so the client is informed about the current power management mode.
</description>
<arg name="mode" type="uint" enum="mode"
summary="the output's new power management mode"/>
</event>
<event name="failed">
<description summary="object no longer valid">
This event indicates that the output power management mode control
is no longer valid. This can happen for a number of reasons,
including:
- The output doesn't support power management
- Another client already has exclusive power management mode control
for this output
- The output disappeared
Upon receiving this event, the client should destroy this object.
</description>
</event>
<request name="destroy" type="destructor">
<description summary="destroy this power management">
Destroys the output power management mode control object.
</description>
</request>
</interface>
</protocol>