diff options
| -rw-r--r-- | include/wlr/types/meson.build | 1 | ||||
| -rw-r--r-- | include/wlr/types/wlr_foreign_toplevel_management_v1.h | 120 | ||||
| -rw-r--r-- | protocol/meson.build | 2 | ||||
| -rw-r--r-- | protocol/wlr-foreign-toplevel-management-unstable-v1.xml | 235 | ||||
| -rw-r--r-- | types/meson.build | 1 | ||||
| -rw-r--r-- | types/wlr_foreign_toplevel_management_v1.c | 578 |
6 files changed, 937 insertions, 0 deletions
diff --git a/include/wlr/types/meson.build b/include/wlr/types/meson.build index 72debcf3..e2ce86e3 100644 --- a/include/wlr/types/meson.build +++ b/include/wlr/types/meson.build @@ -5,6 +5,7 @@ install_headers( 'wlr_cursor.h', 'wlr_data_device.h', 'wlr_export_dmabuf_v1.h', + 'wlr_foreign_toplevel_management_v1.h', 'wlr_gamma_control_v1.h', 'wlr_gamma_control.h', 'wlr_gtk_primary_selection.h', diff --git a/include/wlr/types/wlr_foreign_toplevel_management_v1.h b/include/wlr/types/wlr_foreign_toplevel_management_v1.h new file mode 100644 index 00000000..75ae0e64 --- /dev/null +++ b/include/wlr/types/wlr_foreign_toplevel_management_v1.h @@ -0,0 +1,120 @@ +/* + * This an unstable interface of wlroots. No guarantees are made regarding the + * future consistency of this API. + */ +#ifndef WLR_USE_UNSTABLE +#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features" +#endif + +#ifndef WLR_TYPES_WLR_FOREIGN_TOPLEVEL_MANAGEMENT_V1_H +#define WLR_TYPES_WLR_FOREIGN_TOPLEVEL_MANAGEMENT_V1_H + +#include <wayland-server.h> +#include <wlr/types/wlr_output.h> + +struct wlr_foreign_toplevel_manager_v1 { + struct wl_event_loop *event_loop; + struct wl_global *global; + struct wl_list resources; + struct wl_list toplevels; // wlr_foreign_toplevel_handle_v1::link + + struct wl_listener display_destroy; + + struct { + struct wl_signal destroy; + } events; + + void *data; +}; + +enum wlr_foreign_toplevel_handle_v1_state { + WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED = 1, + WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED = 2, + WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED = 4, +}; + +struct wlr_foreign_toplevel_handle_v1_output { + struct wl_list link; // wlr_foreign_toplevel_handle_v1::outputs + struct wl_listener output_destroy; + struct wlr_output *output; + + struct wlr_foreign_toplevel_handle_v1 *toplevel; +}; + +struct wlr_foreign_toplevel_handle_v1 { + struct wlr_foreign_toplevel_manager_v1 *manager; + struct wl_list resources; + struct wl_list link; + struct wl_event_source *idle_source; + + char *title; + char *app_id; + struct wl_list outputs; // wlr_foreign_toplevel_v1_output + uint32_t state; // wlr_foreign_toplevel_v1_state + + struct { + // wlr_foreign_toplevel_handle_v1_maximized_event + struct wl_signal request_maximize; + //wlr_foreign_toplevel_handle_v1_minimized_event + struct wl_signal request_minimize; + //wlr_foreign_toplevel_handle_v1_activated_event + struct wl_signal request_activate; + struct wl_signal request_close; + + //wlr_foreign_toplevel_handle_v1_set_rectangle_event + struct wl_signal set_rectangle; + struct wl_signal destroy; + } events; + + void *data; +}; + +struct wlr_foreign_toplevel_handle_v1_maximized_event { + struct wlr_foreign_toplevel_handle_v1 *toplevel; + bool maximized; +}; + +struct wlr_foreign_toplevel_handle_v1_minimized_event { + struct wlr_foreign_toplevel_handle_v1 *toplevel; + bool minimized; +}; + +struct wlr_foreign_toplevel_handle_v1_activated_event { + struct wlr_foreign_toplevel_handle_v1 *toplevel; + struct wlr_seat *seat; +}; + +struct wlr_foreign_toplevel_handle_v1_set_rectangle_event { + struct wlr_foreign_toplevel_handle_v1 *toplevel; + struct wlr_surface *surface; + int32_t x, y, width, height; +}; + +struct wlr_foreign_toplevel_manager_v1 *wlr_foreign_toplevel_manager_v1_create( + struct wl_display *display); +void wlr_foreign_toplevel_manager_v1_destroy( + struct wlr_foreign_toplevel_manager_v1 *manager); + +struct wlr_foreign_toplevel_handle_v1 *wlr_foreign_toplevel_handle_v1_create( + struct wlr_foreign_toplevel_manager_v1 *manager); +void wlr_foreign_toplevel_handle_v1_destroy( + struct wlr_foreign_toplevel_handle_v1 *toplevel); + +void wlr_foreign_toplevel_handle_v1_set_title( + struct wlr_foreign_toplevel_handle_v1 *toplevel, const char *title); +void wlr_foreign_toplevel_handle_v1_set_app_id( + struct wlr_foreign_toplevel_handle_v1 *toplevel, const char *app_id); + +void wlr_foreign_toplevel_handle_v1_output_enter( + struct wlr_foreign_toplevel_handle_v1 *toplevel, struct wlr_output *output); +void wlr_foreign_toplevel_handle_v1_output_leave( + struct wlr_foreign_toplevel_handle_v1 *toplevel, struct wlr_output *output); + +void wlr_foreign_toplevel_handle_v1_set_maximized( + struct wlr_foreign_toplevel_handle_v1 *toplevel, bool maximized); +void wlr_foreign_toplevel_handle_v1_set_minimized( + struct wlr_foreign_toplevel_handle_v1 *toplevel, bool minimized); +void wlr_foreign_toplevel_handle_v1_set_activated( + struct wlr_foreign_toplevel_handle_v1 *toplevel, bool activated); + +#endif diff --git a/protocol/meson.build b/protocol/meson.build index dfe2a5ec..58f57046 100644 --- a/protocol/meson.build +++ b/protocol/meson.build @@ -30,6 +30,7 @@ protocols = [ 'virtual-keyboard-unstable-v1.xml', 'wlr-export-dmabuf-unstable-v1.xml', 'wlr-gamma-control-unstable-v1.xml', + 'wlr-foreign-toplevel-management-unstable-v1.xml', 'wlr-input-inhibitor-unstable-v1.xml', 'wlr-layer-shell-unstable-v1.xml', 'wlr-screencopy-unstable-v1.xml', @@ -47,6 +48,7 @@ client_protocols = [ 'text-input-unstable-v3.xml', 'wlr-export-dmabuf-unstable-v1.xml', 'wlr-gamma-control-unstable-v1.xml', + 'wlr-foreign-toplevel-management-unstable-v1.xml', 'wlr-input-inhibitor-unstable-v1.xml', 'wlr-layer-shell-unstable-v1.xml', 'wlr-screencopy-unstable-v1.xml', diff --git a/protocol/wlr-foreign-toplevel-management-unstable-v1.xml b/protocol/wlr-foreign-toplevel-management-unstable-v1.xml new file mode 100644 index 00000000..234d9535 --- /dev/null +++ b/protocol/wlr-foreign-toplevel-management-unstable-v1.xml @@ -0,0 +1,235 @@ +<?xml version="1.0" encoding="UTF-8"?> +<protocol name="wlr_foreign_toplevel_management_unstable_v1"> + <copyright> + Copyright © 2018 Ilia Bozhinov + + 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_foreign_toplevel_manager_v1" version="1"> + <description summary="list and control opened apps"> + The purpose of this protocol is to enable the creation of taskbars + and docks by providing them with a list of opened applications and + letting them request certain actions on them, like maximizing, etc. + + After a client binds the zwlr_foreign_toplevel_manager_v1, each opened + toplevel window will be sent via the toplevel event + </description> + + <event name="toplevel"> + <description summary="a toplevel has been created"> + This event is emitted whenever a new toplevel window is created. It + is emitted for all toplevels, regardless of the app that has created + them. + + All initial details of the toplevel(title, app_id, states, etc.) will + be sent immediately after this event via the corresponding events in + zwlr_foreign_toplevel_handle_v1. + </description> + <arg name="toplevel" type="new_id" interface="zwlr_foreign_toplevel_handle_v1"/> + </event> + + <request name="stop"> + <description summary="stop sending events"> + Indicates the client no longer wishes to receive events for new toplevels. + However the compositor may emit further toplevel_created events, until + the finished event is emitted. + + The client must not send any more requests after this one. + </description> + </request> + + <event name="finished"> + <description summary="the compositor has finished with the toplevel manager"> + This event indicates that the compositor is done sending events to the + zwlr_foreign_toplevel_manager_v1. The server will destroy the object + immediately after sending this request, so it will become invalid and + the client should free any resources associated with it. + </description> + </event> + </interface> + + <interface name="zwlr_foreign_toplevel_handle_v1" version="1"> + <description summary="an opened toplevel"> + A zwlr_foreign_toplevel_handle_v1 object represents an opened toplevel + window. Each app may have multiple opened toplevels. + + Each toplevel has a list of outputs it is visible on, conveyed to the + client with the output_enter and output_leave events. + </description> + + <event name="title"> + <description summary="title change"> + This event is emitted whenever the title of the toplevel changes. + </description> + <arg name="title" type="string"/> + </event> + + <event name="app_id"> + <description summary="app-id change"> + This event is emitted whenever the app-id of the toplevel changes. + </description> + <arg name="app_id" type="string"/> + </event> + + <event name="output_enter"> + <description summary="toplevel entered an output"> + This event is emitted whenever the toplevel becomes visible on + the given output. A toplevel may be visible on multiple outputs. + </description> + <arg name="output" type="object" interface="wl_output"/> + </event> + + <event name="output_leave"> + <description summary="toplevel left an output"> + This event is emitted whenever the toplevel stops being visible on + the given output. It is guaranteed that an entered-output event + with the same output has been emitted before this event. + </description> + <arg name="output" type="object" interface="wl_output"/> + </event> + + <request name="set_maximized"> + <description summary="requests that the toplevel be maximized"> + Requests that the toplevel be maximized. If the maximized state actually + changes, this will be indicated by the state event. + </description> + </request> + + <request name="unset_maximized"> + <description summary="requests that the toplevel be unmaximized"> + Requests that the toplevel be unmaximized. If the maximized state actually + changes, this will be indicated by the state event. + </description> + </request> + + <request name="set_minimized"> + <description summary="requests that the toplevel be minimized"> + Requests that the toplevel be minimized. If the minimized state actually + changes, this will be indicated by the state event. + </description> + </request> + + <request name="unset_minimized"> + <description summary="requests that the toplevel be unminimized"> + Requests that the toplevel be unminimized. If the minimized state actually + changes, this will be indicated by the state event. + </description> + </request> + + <request name="activate"> + <description summary="activate the toplevel"> + Request that this toplevel be activated on the given seat. + There is no guarantee the toplevel will be actually activated. + </description> + <arg name="seat" type="object" interface="wl_seat"/> + </request> + + <enum name="state"> + <description summary="types of states on the toplevel"> + The different states that a toplevel can have. These have the same meaning + as the states with the same names defined in xdg-toplevel + </description> + + <entry name="maximized" value="0" summary="the toplevel is maximized"/> + <entry name="minimized" value="1" summary="the toplevel is minimized"/> + <entry name="activated" value="2" summary="the toplevel is active"/> + </enum> + + <event name="state"> + <description summary="the toplevel state changed"> + This event is emitted immediately after the zlw_foreign_toplevel_handle_v1 + is created and each time the toplevel state changes, either because of a + compositor action or because of a request in this protocol. + </description> + + <arg name="state" type="array"/> + </event> + + <event name="done"> + <description summary="all information about the toplevel has been sent"> + This event is sent after all changes in the toplevel state have been + sent. + + This allows changes to the zwlr_foreign_toplevel_handle_v1 properties + to be seen as atomic, even if they happen via multiple events. + </description> + </event> + + <request name="close"> + <description summary="request that the toplevel be closed"> + Send a request to the toplevel to close itself. The compositor would + typically use a shell-specific method to carry out this request, for + example by sending the xdg_toplevel.close event. However, this gives + no guarantees the toplevel will actually be destroyed. If and when + this happens, the zwlr_foreign_toplevel_handle_v1.closed event will + be emitted. + </description> + </request> + + <request name="set_rectangle"> + <description summary="the rectangle which represents the toplevel"> + The rectangle of the surface specified in this request corresponds to + the place where the app using this protocol represents the given toplevel. + It can be used by the compositor as a hint for some operations, e.g + minimizing. The client is however not required to set this, in which + case the compositor is free to decide some default value. + + If the client specifies more than one rectangle, only the last one is + considered. + + The dimensions are given in surface-local coordinates. + Setting width=height=0 removes the already-set rectangle. + </description> + + <arg name="surface" type="object" interface="wl_surface"/> + <arg name="x" type="int"/> + <arg name="y" type="int"/> + <arg name="width" type="int"/> + <arg name="height" type="int"/> + </request> + + <enum name="error"> + <entry name="invalid_rectangle" value="0" + summary="the provided rectangle is invalid"/> + </enum> + + <event name="closed"> + <description summary="this toplevel has been destroyed"> + This event means the toplevel has been destroyed. It is guaranteed there + won't be any more events for this zwlr_foreign_toplevel_handle_v1. The + toplevel itself becomes inert so any requests will be ignored except the + destroy request. + </description> + </event> + + <request name="destroy" type="destructor"> + <description summary="destroy the zwlr_foreign_toplevel_handle_v1 object"> + Destroys the zwlr_foreign_toplevel_handle_v1 object. + + This request should be called either when the client does not want to + use the toplevel anymore or after the closed event to finalize the + destruction of the object. + </description> + </request> + </interface> +</protocol> diff --git a/types/meson.build b/types/meson.build index 03e5fcba..643db233 100644 --- a/types/meson.build +++ b/types/meson.build @@ -28,6 +28,7 @@ lib_wlr_types = static_library( 'wlr_compositor.c', 'wlr_cursor.c', 'wlr_export_dmabuf_v1.c', + 'wlr_foreign_toplevel_management_v1.c', 'wlr_gamma_control_v1.c', 'wlr_gamma_control.c', 'wlr_gtk_primary_selection.c', diff --git a/types/wlr_foreign_toplevel_management_v1.c b/types/wlr_foreign_toplevel_management_v1.c new file mode 100644 index 00000000..7570716c --- /dev/null +++ b/types/wlr_foreign_toplevel_management_v1.c @@ -0,0 +1,578 @@ +#define _POSIX_C_SOURCE 200809L + +#include <assert.h> +#include <string.h> +#include <stdlib.h> +#include <wlr/types/wlr_foreign_toplevel_management_v1.h> +#include <wlr/types/wlr_seat.h> +#include <wlr/util/log.h> +#include "util/signal.h" +#include "wlr-foreign-toplevel-management-unstable-v1-protocol.h" + +#define FOREIGN_TOPLEVEL_MANAGEMENT_V1_VERSION 1 + +static const struct zwlr_foreign_toplevel_handle_v1_interface toplevel_handle_impl; + +static struct wlr_foreign_toplevel_handle_v1 *toplevel_handle_from_resource( + struct wl_resource *resource) { + assert(wl_resource_instance_of(resource, + &zwlr_foreign_toplevel_handle_v1_interface, + &toplevel_handle_impl)); + return wl_resource_get_user_data(resource); +} + +static void toplevel_handle_send_maximized_event(struct wl_resource *resource, + bool state) { + struct wlr_foreign_toplevel_handle_v1 *toplevel = + toplevel_handle_from_resource(resource); + if (!toplevel) { + return; + } + struct wlr_foreign_toplevel_handle_v1_maximized_event event = { + .toplevel = toplevel, + .maximized = state, + }; + wlr_signal_emit_safe(&toplevel->events.request_maximize, &event); +} + +void foreign_toplevel_handle_set_maximized(struct wl_client *client, + struct wl_resource *resource) { + toplevel_handle_send_maximized_event(resource, true); +} + +void foreign_toplevel_handle_unset_maximized(struct wl_client *client, + struct wl_resource *resource) { + toplevel_handle_send_maximized_event(resource, false); +} + +static void toplevel_send_minimized_event(struct wl_resource *resource, + bool state) { + struct wlr_foreign_toplevel_handle_v1 *toplevel = + toplevel_handle_from_resource(resource); + if (!toplevel) { + return; + } + + struct wlr_foreign_toplevel_handle_v1_minimized_event event = { + .toplevel = toplevel, + .minimized = state, + }; + wlr_signal_emit_safe(&toplevel->events.request_minimize, &event); +} + +static void foreign_toplevel_handle_set_minimized(struct wl_client *client, + struct wl_resource *resource) { + toplevel_send_minimized_event(resource, true); +} + +static void foreign_toplevel_handle_unset_minimized(struct wl_client *client, + struct wl_resource *resource) { + toplevel_send_minimized_event(resource, false); +} + +static void foreign_toplevel_handle_activate(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *seat) { + struct wlr_foreign_toplevel_handle_v1 *toplevel = + toplevel_handle_from_resource(resource); + if (!toplevel) { + return; + } + + struct wlr_seat_client *seat_client = wlr_seat_client_from_resource(seat); + struct wlr_foreign_toplevel_handle_v1_activated_event event = { + .toplevel = toplevel, + .seat = seat_client->seat, + }; + wlr_signal_emit_safe(&toplevel->events.request_activate, &event); +} + +static void foreign_toplevel_handle_close(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_foreign_toplevel_handle_v1 *toplevel = + toplevel_handle_from_resource(resource); + if (!toplevel) { + return; + } + wlr_signal_emit_safe(&toplevel->events.request_close, toplevel); +} + +static void foreign_toplevel_handle_set_rectangle(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *surface, + int32_t x, int32_t y, int32_t width, int32_t height) { + struct wlr_foreign_toplevel_handle_v1 *toplevel = + toplevel_handle_from_resource(resource); + if (!toplevel) { + return; + } + + if (width < 0 || height < 0) { + wl_resource_post_error(resource, + ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_ERROR_INVALID_RECTANGLE, + "invalid rectangle passed to set_rectangle: width/height < 0"); + return; + } + + struct wlr_foreign_toplevel_handle_v1_set_rectangle_event event = { + .toplevel = toplevel, + .surface = wlr_surface_from_resource(surface), + .x = x, + .y = y, + .width = width, + .height = height, + }; + wlr_signal_emit_safe(&toplevel->events.set_rectangle, &event); +} + +static void foreign_toplevel_handle_destroy(struct wl_client *client, + struct wl_resource *resource) { + wl_resource_destroy(resource); +} + +static const struct zwlr_foreign_toplevel_handle_v1_interface toplevel_handle_impl = { + .set_maximized = foreign_toplevel_handle_set_maximized, + .unset_maximized = foreign_toplevel_handle_unset_maximized, + .set_minimized = foreign_toplevel_handle_set_minimized, + .unset_minimized = foreign_toplevel_handle_unset_minimized, + .activate = foreign_toplevel_handle_activate, + .close = foreign_toplevel_handle_close, + .set_rectangle = foreign_toplevel_handle_set_rectangle, + .destroy = foreign_toplevel_handle_destroy +}; + +static void toplevel_idle_send_done(void *data) { + struct wlr_foreign_toplevel_handle_v1 *toplevel = data; + struct wl_resource *resource; + wl_resource_for_each(resource, &toplevel->resources) { + zwlr_foreign_toplevel_handle_v1_send_done(resource); + } + + toplevel->idle_source = NULL; +} + +static void toplevel_update_idle_source( + struct wlr_foreign_toplevel_handle_v1 *toplevel) { + if (toplevel->idle_source) { + return; + } + + toplevel->idle_source = wl_event_loop_add_idle(toplevel->manager->event_loop, + toplevel_idle_send_done, toplevel); +} + +void wlr_foreign_toplevel_handle_v1_set_title( + struct wlr_foreign_toplevel_handle_v1 *toplevel, const char *title) { + free(toplevel->title); + toplevel->title = strdup(title); + + struct wl_resource *resource; + wl_resource_for_each(resource, &toplevel->resources) { + zwlr_foreign_toplevel_handle_v1_send_title(resource, title); + } + + toplevel_update_idle_source(toplevel); +} + +void wlr_foreign_toplevel_handle_v1_set_app_id( + struct wlr_foreign_toplevel_handle_v1 *toplevel, const char *app_id) { + free(toplevel->app_id); + toplevel->app_id = strdup(app_id); + + struct wl_resource *resource; + wl_resource_for_each(resource, &toplevel->resources) { + zwlr_foreign_toplevel_handle_v1_send_app_id(resource, app_id); + } + + toplevel_update_idle_source(toplevel); +} + +static void send_output_to_resource(struct wl_resource *resource, + struct wlr_output *output, bool enter) { + struct wl_client *client = wl_resource_get_client(resource); + struct wl_resource *output_resource; + + wl_resource_for_each(output_resource, &output->resources) { + if (wl_resource_get_client(output_resource) == client) { + if (enter) { + zwlr_foreign_toplevel_handle_v1_send_output_enter(resource, + output_resource); + } else { + zwlr_foreign_toplevel_handle_v1_send_output_leave(resource, + output_resource); + } + } + } +} + +static void toplevel_send_output(struct wlr_foreign_toplevel_handle_v1 *toplevel, + struct wlr_output *output, bool enter) { + struct wl_resource *resource; + wl_resource_for_each(resource, &toplevel->resources) { + send_output_to_resource(resource, output, enter); + } + + toplevel_update_idle_source(toplevel); +} + +static void toplevel_handle_output_destroy(struct wl_listener *listener, + void *data) { + struct wlr_foreign_toplevel_handle_v1_output *toplevel_output = + wl_container_of(listener, toplevel_output, output_destroy); + wlr_foreign_toplevel_handle_v1_output_leave(toplevel_output->toplevel, + toplevel_output->output); +} + +void wlr_foreign_toplevel_handle_v1_output_enter( + struct wlr_foreign_toplevel_handle_v1 *toplevel, + struct wlr_output *output) { + struct wlr_foreign_toplevel_handle_v1_output *toplevel_output; + wl_list_for_each(toplevel_output, &toplevel->outputs, link) { + if (toplevel_output->output == output) { + return; // we have already sent output_enter event + } + } + + toplevel_output = + calloc(1, sizeof(struct wlr_foreign_toplevel_handle_v1_output)); + if (!toplevel_output) { + wlr_log(WLR_ERROR, "failed to allocate memory for toplevel output"); + return; + } + + toplevel_output->output = output; + toplevel_output->toplevel = toplevel; + wl_list_insert(&toplevel->outputs, &toplevel_output->link); + + toplevel_output->output_destroy.notify = toplevel_handle_output_destroy; + wl_signal_add(&output->events.destroy, &toplevel_output->output_destroy); + + toplevel_send_output(toplevel, output, true); +} + +static void toplevel_output_destroy( + struct wlr_foreign_toplevel_handle_v1_output *toplevel_output) { + wl_list_remove(&toplevel_output->link); + wl_list_remove(&toplevel_output->output_destroy.link); + free(toplevel_output); +} + +void wlr_foreign_toplevel_handle_v1_output_leave( + struct wlr_foreign_toplevel_handle_v1 *toplevel, + struct wlr_output *output) { + struct wlr_foreign_toplevel_handle_v1_output *toplevel_output_iterator; + struct wlr_foreign_toplevel_handle_v1_output *toplevel_output = NULL; + + wl_list_for_each(toplevel_output_iterator, &toplevel->outputs, link) { + if (toplevel_output_iterator->output == output) { + toplevel_output = toplevel_output_iterator; + break; + } + } + + if (toplevel_output) { + toplevel_send_output(toplevel, output, false); + toplevel_output_destroy(toplevel_output); + } else { + // XXX: log an error? crash? + } +} + +static bool fill_array_from_toplevel_state(struct wl_array *array, + uint32_t state) { + if (state & WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED) { + uint32_t *index = wl_array_add(array, sizeof(uint32_t)); + if (index == NULL) { + return false; + } + *index = ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED; + } + if (state & WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED) { + uint32_t *index = wl_array_add(array, sizeof(uint32_t)); + if (index == NULL) { + return false; + } + *index = ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED; + } + if (state & WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED) { + uint32_t *index = wl_array_add(array, sizeof(uint32_t)); + if (index == NULL) { + return false; + } + *index = ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED; + } + + return true; +} + +static void toplevel_send_state(struct wlr_foreign_toplevel_handle_v1 *toplevel) { + struct wl_array states; + wl_array_init(&states); + bool r = fill_array_from_toplevel_state(&states, toplevel->state); + if (!r) { + struct wl_resource *resource; + wl_resource_for_each(resource, &toplevel->resources) { + wl_resource_post_no_memory(resource); + } + + wl_array_release(&states); + return; + } + + struct wl_resource *resource; + wl_resource_for_each(resource, &toplevel->resources) { + zwlr_foreign_toplevel_handle_v1_send_state(resource, &states); + } + + wl_array_release(&states); + toplevel_update_idle_source(toplevel); +} + +void wlr_foreign_toplevel_handle_v1_set_maximized( + struct wlr_foreign_toplevel_handle_v1 *toplevel, bool maximized) { + if (maximized) { + toplevel->state |= WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED; + } else { + toplevel->state &= ~WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED; + } + toplevel_send_state(toplevel); +} + +void wlr_foreign_toplevel_handle_v1_set_minimized( + struct wlr_foreign_toplevel_handle_v1 *toplevel, bool minimized) { + if (minimized) { + toplevel->state |= WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED; + } else { + toplevel->state &= ~WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED; + } + toplevel_send_state(toplevel); +} + +void wlr_foreign_toplevel_handle_v1_set_activated( + struct wlr_foreign_toplevel_handle_v1 *toplevel, bool activated) { + if (activated) { + toplevel->state |= WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED; + } else { + toplevel->state &= ~WLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED; + } + toplevel_send_state(toplevel); +} + +void wlr_foreign_toplevel_handle_v1_destroy( + struct wlr_foreign_toplevel_handle_v1 *toplevel) { + if (!toplevel) { + return; + } + + wlr_signal_emit_safe(&toplevel->events.destroy, toplevel); + + struct wl_resource *resource, *tmp; + wl_resource_for_each_safe(resource, tmp, &toplevel->resources) { + zwlr_foreign_toplevel_handle_v1_send_closed(resource); + wl_resource_set_user_data(resource, NULL); + wl_list_remove(wl_resource_get_link(resource)); + wl_list_init(wl_resource_get_link(resource)); + } + + struct wlr_foreign_toplevel_handle_v1_output *toplevel_output, *tmp2; + wl_list_for_each_safe(toplevel_output, tmp2, &toplevel->outputs, link) { + toplevel_output_destroy(toplevel_output); + } + + if (toplevel->idle_source) { + wl_event_source_remove(toplevel->idle_source); + } + + wl_list_remove(&toplevel->link); + + free(toplevel->title); + free(toplevel->app_id); + free(toplevel); +} + +static void foreign_toplevel_resource_destroy(struct wl_resource *resource) { + wl_list_remove(wl_resource_get_link(resource)); +} + +static struct wl_resource *create_toplevel_resource_for_resource( + struct wlr_foreign_toplevel_handle_v1 *toplevel, + struct wl_resource *manager_resource) { + struct wl_client *client = wl_resource_get_client(manager_resource); + struct wl_resource *resource = wl_resource_create(client, + &zwlr_foreign_toplevel_handle_v1_interface, + wl_resource_get_version(manager_resource), 0); + if (!resource) { + wl_client_post_no_memory(client); + return NULL; + } + + wl_resource_set_implementation(resource, &toplevel_handle_impl, toplevel, + foreign_toplevel_resource_destroy); + + wl_list_insert(&toplevel->resources, wl_resource_get_link(resource)); + zwlr_foreign_toplevel_manager_v1_send_toplevel(manager_resource, resource); + return resource; +} + +struct wlr_foreign_toplevel_handle_v1 * +wlr_foreign_toplevel_handle_v1_create( + struct wlr_foreign_toplevel_manager_v1 *manager) { + struct wlr_foreign_toplevel_handle_v1 *toplevel = calloc(1, + sizeof(struct wlr_foreign_toplevel_handle_v1)); + if (!toplevel) { + return NULL; + } + + wl_list_insert(&manager->toplevels, &toplevel->link); + toplevel->manager = manager; + + wl_list_init(&toplevel->resources); + wl_list_init(&toplevel->outputs); + + wl_signal_init(&toplevel->events.request_maximize); + wl_signal_init(&toplevel->events.request_minimize); + wl_signal_init(&toplevel->events.request_activate); + wl_signal_init(&toplevel->events.request_close); + wl_signal_init(&toplevel->events.set_rectangle); + wl_signal_init(&toplevel->events.destroy); + + struct wl_resource *manager_resource, *tmp; + wl_resource_for_each_safe(manager_resource, tmp, &manager->resources) { + create_toplevel_resource_for_resource(toplevel, manager_resource); + } + + return toplevel; +} + +static const struct zwlr_foreign_toplevel_manager_v1_interface + foreign_toplevel_manager_impl; + +static void foreign_toplevel_manager_handle_stop(struct wl_client *client, + struct wl_resource *resource) { + assert(wl_resource_instance_of(resource, + &zwlr_foreign_toplevel_manager_v1_interface, + &foreign_toplevel_manager_impl)); + + zwlr_foreign_toplevel_manager_v1_send_finished(resource); + wl_resource_destroy(resource); +} + +static const struct zwlr_foreign_toplevel_manager_v1_interface + foreign_toplevel_manager_impl = { + .stop = foreign_toplevel_manager_handle_stop +}; + +static void foreign_toplevel_manager_resource_destroy( + struct wl_resource *resource) { + wl_list_remove(wl_resource_get_link(resource)); +} + +static void toplevel_send_details_to_toplevel_resource( + struct wlr_foreign_toplevel_handle_v1 *toplevel, + struct wl_resource *resource) { + if (toplevel->title) { + zwlr_foreign_toplevel_handle_v1_send_title(resource, + toplevel->title); + } + if (toplevel->app_id) { + zwlr_foreign_toplevel_handle_v1_send_app_id(resource, + toplevel->app_id); + } + + struct wlr_foreign_toplevel_handle_v1_output *output; + wl_list_for_each(output, &toplevel->outputs, link) { + send_output_to_resource(resource, output->output, true); + } + + struct wl_array states; + wl_array_init(&states); + bool r = fill_array_from_toplevel_state(&states, toplevel->state); + if (!r) { + wl_resource_post_no_memory(resource); + wl_array_release(&states); + return; + } + + zwlr_foreign_toplevel_handle_v1_send_state(resource, &states); + wl_array_release(&states); + + zwlr_foreign_toplevel_handle_v1_send_done(resource); +} + +static void foreign_toplevel_manager_bind(struct wl_client *client, void *data, + uint32_t version, uint32_t id) { + struct wlr_foreign_toplevel_manager_v1 *manager = data; + struct wl_resource *resource = wl_resource_create(client, + &zwlr_foreign_toplevel_manager_v1_interface, version, id); + if (!resource) { + wl_client_post_no_memory(client); + return; + } + wl_resource_set_implementation(resource, &foreign_toplevel_manager_impl, + manager, foreign_toplevel_manager_resource_destroy); + + wl_list_insert(&manager->resources, wl_resource_get_link(resource)); + + struct wlr_foreign_toplevel_handle_v1 *toplevel, *tmp; + wl_list_for_each_safe(toplevel, tmp, &manager->toplevels, link) { + struct wl_resource *toplevel_resource = + create_toplevel_resource_for_resource(toplevel, resource); + toplevel_send_details_to_toplevel_resource(toplevel, + toplevel_resource); + } +} + +void wlr_foreign_toplevel_manager_v1_destroy( + struct wlr_foreign_toplevel_manager_v1 *manager) { + if (!manager) { + return; + } + + struct wlr_foreign_toplevel_handle_v1 *toplevel, *tmp_toplevel; + wl_list_for_each_safe(toplevel, tmp_toplevel, &manager->toplevels, link) { + wlr_foreign_toplevel_handle_v1_destroy(toplevel); + } + + struct wl_resource *resource, *tmp_resource; + wl_resource_for_each_safe(resource, tmp_resource, &manager->resources) { + wl_resource_destroy(resource); + } + + wlr_signal_emit_safe(&manager->events.destroy, manager); + wl_list_remove(&manager->display_destroy.link); + + wl_global_destroy(manager->global); + free(manager); +} + +static void handle_display_destroy(struct wl_listener *listener, void *data) { + struct wlr_foreign_toplevel_manager_v1 *manager = + wl_container_of(listener, manager, display_destroy); + wlr_foreign_toplevel_manager_v1_destroy(manager); +} + +struct wlr_foreign_toplevel_manager_v1 *wlr_foreign_toplevel_manager_v1_create( + struct wl_display *display) { + struct wlr_foreign_toplevel_manager_v1 *manager = calloc(1, + sizeof(struct wlr_foreign_toplevel_manager_v1)); + if (!manager) { + return NULL; + } + + manager->event_loop = wl_display_get_event_loop(display); + manager->global = wl_global_create(display, + &zwlr_foreign_toplevel_manager_v1_interface, + FOREIGN_TOPLEVEL_MANAGEMENT_V1_VERSION, manager, + foreign_toplevel_manager_bind); + if (!manager->global) { + free(manager); + return NULL; + } + + wl_signal_init(&manager->events.destroy); + wl_list_init(&manager->resources); + wl_list_init(&manager->toplevels); + + manager->display_destroy.notify = handle_display_destroy; + wl_display_add_destroy_listener(display, &manager->display_destroy); + + return manager; +} |