diff options
| -rw-r--r-- | include/rootston/desktop.h | 1 | ||||
| -rw-r--r-- | include/wlr/types/wlr_layer_shell.h | 29 | ||||
| -rw-r--r-- | protocol/meson.build | 1 | ||||
| -rw-r--r-- | protocol/wlr-layer-shell-unstable-v1.xml | 277 | ||||
| -rw-r--r-- | rootston/desktop.c | 6 | ||||
| -rw-r--r-- | types/meson.build | 2 | ||||
| -rw-r--r-- | types/wlr_layer_shell.c | 104 |
7 files changed, 419 insertions, 1 deletions
diff --git a/include/rootston/desktop.h b/include/rootston/desktop.h index 5986c96f..5ff9f5e2 100644 --- a/include/rootston/desktop.h +++ b/include/rootston/desktop.h @@ -48,6 +48,7 @@ struct roots_desktop { struct wlr_idle *idle; struct wlr_idle_inhibit_manager_v1 *idle_inhibit; struct wlr_linux_dmabuf *linux_dmabuf; + struct wlr_layer_shell *layer_shell; struct wl_listener new_output; struct wl_listener layout_change; diff --git a/include/wlr/types/wlr_layer_shell.h b/include/wlr/types/wlr_layer_shell.h new file mode 100644 index 00000000..fbea1334 --- /dev/null +++ b/include/wlr/types/wlr_layer_shell.h @@ -0,0 +1,29 @@ +#ifndef WLR_TYPES_WLR_LAYER_SHELL_H +#define WLR_TYPES_WLR_LAYER_SHELL_H + +struct wlr_layer_shell { + struct wl_global *wl_global; + struct wl_list clients; + + struct wl_listener display_destroy; + + struct { + struct wl_signal new_surface; + } events; + + void *data; +}; + +struct wlr_layer_client { + struct wlr_layer_shell *shell; + struct wl_resource *resource; + struct wl_client *client; + struct wl_list surfaces; + + struct wl_list link; // wlr_layer_shell::clients +}; + +struct wlr_layer_shell *wlr_layer_shell_create(struct wl_display *display); +void wlr_layer_shell_destroy(struct wlr_layer_shell *layer_shell); + +#endif diff --git a/protocol/meson.build b/protocol/meson.build index 638b0c46..8c8a7c0e 100644 --- a/protocol/meson.build +++ b/protocol/meson.build @@ -30,6 +30,7 @@ protocols = [ 'idle.xml', 'screenshooter.xml', 'server-decoration.xml', + 'wlr-layer-shell-unstable-v1.xml', ] client_protocols = [ diff --git a/protocol/wlr-layer-shell-unstable-v1.xml b/protocol/wlr-layer-shell-unstable-v1.xml new file mode 100644 index 00000000..494b29ca --- /dev/null +++ b/protocol/wlr-layer-shell-unstable-v1.xml @@ -0,0 +1,277 @@ +<?xml version="1.0" encoding="UTF-8"?> +<protocol name="wlr_layer_shell_unstable_v1"> + <copyright> + Copyright © 2017 Drew DeVault + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that copyright notice and this permission + notice appear in supporting documentation, and that the name of + the copyright holders not be used in advertising or publicity + pertaining to distribution of the software without specific, + written prior permission. The copyright holders make no + representations about the suitability of this software for any + purpose. It is provided "as is" without express or implied + warranty. + + THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, + ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF + THIS SOFTWARE. + </copyright> + + <interface name="zwlr_layer_shell_v1" version="1"> + <description summary="create surfaces that are layers of the desktop"> + Clients can use this interface to assign the surface_layer role to + wl_surfaces. Such surfaces are assigned to a "layer" of the output and + rendered with a defined z-depth respective to each other. They may also be + anchored to the edges and corners of a screen and specify input handling + semantics. This interface should be suitable for the implementation of + many desktop shell components, and a broad number of other applications + that interact with the desktop. + </description> + + <request name="get_layer_surface"> + <description summary="create a layer_surface from a surface"> + Create a layer surface for an existing surface. This assigns the role of + layer_surface, or raises a protocol error if another role is already + assigned. + + Creating a layer surface from a wl_surface which has a buffer attached + or committed is a client error, and any attempts by a client to attach + or manipulate a buffer prior to the first layer_surface.configure call + must also be treated as errors. + + Clients can specify a namespace that defines the purpose of the layer + surface. + </description> + <arg name="id" type="new_id" interface="zwlr_layer_surface_v1"/> + <arg name="surface" type="object" interface="wl_surface"/> + <arg name="output" type="object" interface="wl_output"/> + <arg name="layer" type="uint" enum="layer" summary="layer to add this surface to"/> + <arg name="namespace" type="string" summary="namespace for the layer surface"/> + </request> + + <enum name="error"> + <entry name="role" value="0" summary="wl_surface has another role"/> + <entry name="invalid_layer" value="1" summary="layer value is invalid"/> + <entry name="already_constructed" value="2" summary="wl_surface has a buffer attached or committed"/> + <entry name="request_denied" value="4" summary="the compositor has denied your request to use this layer"/> + </enum> + + <enum name="layer"> + <description summary="available layers for surfaces"> + These values indicate which layers a surface can be rendered in. They + are ordered by z depth, bottom-most first. Traditional shell surfaces + will typically be rendered between the bottom and top layers. + Fullscreen shell surfaces are typically rendered at the top layer. + Multiple surfaces can share a single layer, and ordering within a + single layer is undefined. + </description> + + <entry name="background" value="0"/> + <entry name="bottom" value="1"/> + <entry name="top" value="2"/> + <entry name="overlay" value="3"/> + </enum> + </interface> + + <interface name="zwlr_layer_surface_v1" version="1"> + <description summary="layer metadata interface"> + An interface that may be implemented by a wl_surface, for surfaces that + are designed to be rendered as a layer of a stacked desktop-like + environment. + + Layer surface state (anchor, exclusive zone, margin) is double-buffered. + Protocol requests modify the pending state, as opposed to the current + state in use by the compositor. The wl_surface.commit request atomically + applies all pending state, replacing the current state. After commit, the + new pending state is as documented for each related request. + </description> + + <request name="set_anchor"> + <description summary="configures the anchor point of the surface"> + Requests that the compositor anchor the surface to the specified edges + and corners. If two orthoginal edges are specified (e.g. 'top' and + 'left'), then the anchor point will be the intersection of the edges + (e.g. the top left corner of the output); otherwise the anchor point + will be centered on that edge, or in the center if none is specified. + + Anchor is double-buffered, see wl_surface.commit. + </description> + <arg name="anchor" type="uint" enum="anchor"/> + </request> + + <request name="set_exclusive_zone"> + <description summary="configures the exclusive geometry of this surface"> + Requests that the compositor avoids occluding an area of the surface + with other surfaces. The compositor's use of this information is + implementation-dependent - do not assume that this region will not + actually be occluded. + + This value is only meaningful if the surface is anchored to an edge, + rather than a corner. The zone is the number of pixels from the edge + that are considered exclusive. + + Exclusive zone is double-buffered, see wl_surface.commit. + </description> + <arg name="zone" type="uint"/> + </request> + + <request name="set_margin"> + <description summary="sets a margin from the anchor point"> + Requests that the surface be placed some distance away from the anchor + point on the output, in pixels. Setting this value for edges you are + not anchored to has no effect. + + Margin is double-buffered, see wl_surface.commit. + </description> + <arg name="top" type="int"/> + <arg name="right" type="int"/> + <arg name="bottom" type="int"/> + <arg name="left" type="int"/> + </request> + + <request name="get_popup"> + <description summary="assign this layer_surface as an xdg_popup parent"> + This assigns an xdg_popup's parent to this layer_surface. This popup + should have been created via xdg_surface::get_popup with the parent set + to NULL, and this request must be invoked before committing the popup's + initial state. + + See the documentation of xdg_popup for more details about what an + xdg_popup is and how it is used. + </description> + <arg name="popup" type="object" interface="xdg_popup"/> + </request> + + <request name="get_input"> + <description summary="obtain a layer input for this layer surface"> + This creates a layer input for this layer surface. This can be used to + control input semantics for the layer surface on the specified wl_seat. + </description> + <arg name="id" type="new_id" interface="zwlr_layer_input_v1"/> + <arg name="seat" type="object" interface="wl_seat"/> + </request> + + <request name="ack_configure"> + <description summary="ack a configure event"> + When a configure event is received, if a client commits the + surface in response to the configure event, then the client + must make an ack_configure request sometime before the commit + request, passing along the serial of the configure event. + + If the client receives multiple configure events before it + can respond to one, it only has to ack the last configure event. + + A client is not required to commit immediately after sending + an ack_configure request - it may even ack_configure several times + before its next surface commit. + + A client may send multiple ack_configure requests before committing, but + only the last request sent before a commit indicates which configure + event the client really is responding to. + </description> + <arg name="serial" type="uint" summary="the serial from the configure event"/> + </request> + + <request name="destroy" type="destructor"> + <description summary="destroy the layer_surface"> + This request destroys the layer surface. + </description> + </request> + + <event name="configure"> + <description summary="suggest a surface change"> + The configure event asks the client to resize its surface. + + Clients should arrange their surface for the new states, and then send + an ack_configure request with the serial sent in this configure event at + some point before committing the new surface. + + The client is free to dismiss all but the last configure event it + received. + + The width and height arguments specify the size of the window in + surface-local coordinates. + + The size is a hint, in the sense that the client is free to ignore it if + it doesn't resize, pick a smaller size (to satisfy aspect ratio or + resize in steps of NxM pixels). If the client picks a smaller size and + is anchored to two opposite anchors (e.g. 'top' and 'bottom'), the + surface will be centered on this axis. + + If the width or height arguments are zero, it means the client should + decide its own window dimension. + </description> + <arg name="serial" type="uint"/> + <arg name="width" type="uint"/> + <arg name="height" type="uint"/> + </event> + + <enum name="error"> + <entry name="invalid_input_device" value="0" summary="input device bitfield is invalid"/> + <entry name="invalid_anchor" value="1" summary="anchor bitfield is invalid"/> + </enum> + + <enum name="anchor" bitfield="true"> + <entry name="top" value="1" summary="the top edge of the anchor rectangle"/> + <entry name="bottom" value="2" summary="the bottom edge of the anchor rectangle"/> + <entry name="left" value="4" summary="the left edge of the anchor rectangle"/> + <entry name="right" value="8" summary="the right edge of the anchor rectangle"/> + </enum> + </interface> + + <interface name="zwlr_layer_input_v1" version="1"> + <description summary="layer surface input configuration object"> + Clients can use this interface to specify input semantics for a layer + surface on a given seat. By default, layer surfaces are considered + non-interactive by seats, and will not participate in their focus + semantics or receive input events for them. + + Input state is double-buffered. Protocol requests modify the pending + state, as opposed to the current state in use by the compositor. The + wl_surface.commit request for the associated layer surface atomically + applies all pending state, replacing the current state. After commit, the + new pending state is as documented for each related request. + </description> + + <request name="set_events"> + <description summary="set input events to receive"> + Requests that the seat send input events for the specified input devices + to this layer surface. + + Positional events (pointer and touch) will only be sent if the layer + surface is the top-most interactive surface, and only when the position + of these events are relative to the surface. Enter and leave events will + be signalled normally in these cases. + + Keyboard events will treat the layer surface as the only focused surface + on the seat. Upon requesting keyboard events, the layer surface will + receive a keyboard enter event. A leave event is signalled when it + invokes set_events again without keyboard events specified. + + Events is double-buffered, see wl_surface.commit. + </description> + <arg name="events" type="uint" enum="input_device"/> + </request> + + <request name="destroy" type="destructor"> + <description summary="destroy the layer_input"> + This request destroys the layer input. + </description> + </request> + + <enum name="input_device" bitfield="true"> + <entry name="pointer" value="1" summary="wl_pointer devices"/> + <entry name="keyboard" value="2" summary="wl_keyboard devices"/> + <entry name="touch" value="4" summary="wl_touch devices"/> + <entry name="tablet" value="8" summary="zwp_tablet and zwp_tablet_tool devices"/> + </enum> + </interface> +</protocol> diff --git a/rootston/desktop.c b/rootston/desktop.c index 65d9a280..dcf0b7b2 100644 --- a/rootston/desktop.c +++ b/rootston/desktop.c @@ -9,9 +9,10 @@ #include <wlr/types/wlr_cursor.h> #include <wlr/types/wlr_gamma_control.h> #include <wlr/types/wlr_idle.h> +#include <wlr/types/wlr_idle_inhibit_v1.h> +#include <wlr/types/wlr_layer_shell.h> #include <wlr/types/wlr_linux_dmabuf.h> #include <wlr/types/wlr_output_layout.h> -#include <wlr/types/wlr_idle_inhibit_v1.h> #include <wlr/types/wlr_primary_selection.h> #include <wlr/types/wlr_server_decoration.h> #include <wlr/types/wlr_wl_shell.h> @@ -714,6 +715,9 @@ struct roots_desktop *desktop_create(struct roots_server *server, &desktop->wl_shell_surface); desktop->wl_shell_surface.notify = handle_wl_shell_surface; + desktop->layer_shell = wlr_layer_shell_create(server->wl_display); + // TODO: Pick up new surfaces + #ifdef WLR_HAS_XWAYLAND const char *cursor_theme = NULL; const char *cursor_default = ROOTS_XCURSOR_DEFAULT; diff --git a/types/meson.build b/types/meson.build index 94993b52..198563b1 100644 --- a/types/meson.build +++ b/types/meson.build @@ -8,8 +8,10 @@ lib_wlr_types = static_library( 'wlr_gamma_control.c', 'wlr_idle_inhibit_v1.c', 'wlr_idle.c', + 'wlr_idle_inhibit_v1.c', 'wlr_input_device.c', 'wlr_keyboard.c', + 'wlr_layer_shell.c', 'wlr_linux_dmabuf.c', 'wlr_list.c', 'wlr_matrix.c', diff --git a/types/wlr_layer_shell.c b/types/wlr_layer_shell.c new file mode 100644 index 00000000..51d50b17 --- /dev/null +++ b/types/wlr_layer_shell.c @@ -0,0 +1,104 @@ +#include <assert.h> +#include <stdlib.h> +#include <wayland-server.h> +#include <wlr/types/wlr_layer_shell.h> +#include "wlr-layer-shell-unstable-v1-protocol.h" + +static void layer_shell_handle_get_layer_surface(struct wl_client *client, + struct wl_resource *resource, + uint32_t id, + struct wl_resource *surface, + struct wl_resource *output, + uint32_t layer, + const char *namespace) { + // TODO +} + +static struct zwlr_layer_shell_v1_interface layer_shell_impl = { + .get_layer_surface = layer_shell_handle_get_layer_surface, +}; + +static struct wlr_layer_client *layer_client_from_resource( + struct wl_resource *resource) { + assert(wl_resource_instance_of(resource, &zwlr_layer_shell_v1_interface, + &layer_shell_impl)); + return wl_resource_get_user_data(resource); +} + +static void wlr_layer_client_destroy(struct wl_resource *resource) { + struct wlr_layer_client *client = layer_client_from_resource(resource); + + // TODO: Destroy surfaces + + wl_list_remove(&client->link); + free(client); +} + +static void layer_shell_bind(struct wl_client *wl_client, void *data, + uint32_t version, uint32_t id) { + struct wlr_layer_shell *layer_shell = data; + assert(wl_client && layer_shell); + + struct wlr_layer_client *client = + calloc(1, sizeof(struct wlr_layer_client)); + if (client == NULL) { + wl_client_post_no_memory(wl_client); + return; + } + + wl_list_init(&client->surfaces); + + client->resource = wl_resource_create( + wl_client, &zwlr_layer_shell_v1_interface, version, id); + if (client->resource == NULL) { + free(client); + wl_client_post_no_memory(wl_client); + return; + } + client->client = wl_client; + client->shell = layer_shell; + + wl_resource_set_implementation(client->resource, &layer_shell_impl, client, + wlr_layer_client_destroy); + wl_list_insert(&layer_shell->clients, &client->link); +} + +static void handle_display_destroy(struct wl_listener *listener, void *data) { + struct wlr_layer_shell *layer_shell = + wl_container_of(listener, layer_shell, display_destroy); + wlr_layer_shell_destroy(layer_shell); +} + +struct wlr_layer_shell *wlr_layer_shell_create(struct wl_display *display) { + struct wlr_layer_shell *layer_shell = + calloc(1, sizeof(struct wlr_layer_shell)); + if (!layer_shell) { + return NULL; + } + + wl_list_init(&layer_shell->clients); + + struct wl_global *wl_global = wl_global_create(display, + &zwlr_layer_shell_v1_interface, 1, layer_shell, layer_shell_bind); + if (!wl_global) { + free(layer_shell); + return NULL; + } + layer_shell->wl_global = wl_global; + + wl_signal_init(&layer_shell->events.new_surface); + + layer_shell->display_destroy.notify = handle_display_destroy; + wl_display_add_destroy_listener(display, &layer_shell->display_destroy); + + return layer_shell; +} + +void wlr_layer_shell_destroy(struct wlr_layer_shell *layer_shell) { + if (!layer_shell) { + return; + } + wl_list_remove(&layer_shell->display_destroy.link); + wl_global_destroy(layer_shell->wl_global); + free(layer_shell); +} |