mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2025-10-28 05:40:11 -04:00
xdg-toplevel-icon-v1: add implementation
This commit is contained in:
Kirill Primak
Simon Zeni
parent
061aa1bd15
commit
bcf8e467db
4 changed files with 375 additions and 0 deletions
80
include/wlr/types/wlr_xdg_toplevel_icon_v1.h
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80
include/wlr/types/wlr_xdg_toplevel_icon_v1.h
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@ -0,0 +1,80 @@
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_XDG_TOPLEVEL_ICON_V1_H
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#define WLR_TYPES_WLR_XDG_TOPLEVEL_ICON_V1_H
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#include <wayland-server-core.h>
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#include <wlr/util/addon.h>
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struct wlr_xdg_toplevel_icon_manager_v1 {
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struct wl_global *global;
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struct wl_list resources;
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int *sizes;
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size_t n_sizes;
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struct {
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struct wl_signal set_icon; // struct wlr_xdg_toplevel_icon_manager_v1_set_icon_event
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struct wl_signal destroy;
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} events;
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struct {
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struct wl_listener display_destroy;
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} WLR_PRIVATE;
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};
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struct wlr_xdg_toplevel_icon_manager_v1_set_icon_event {
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struct wlr_xdg_toplevel *toplevel;
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// Must be referenced to be used after the event is emitted
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struct wlr_xdg_toplevel_icon_v1 *icon; // May be NULL
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};
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struct wlr_xdg_toplevel_icon_v1_buffer {
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struct wlr_buffer *buffer;
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int scale;
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struct wl_list link; // wlr_xdg_toplevel_icon_v1.buffers
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};
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struct wlr_xdg_toplevel_icon_v1 {
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char *name; // May be NULL
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struct wl_list buffers; // wlr_xdg_toplevel_icon_v1_buffer.link
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struct {
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int n_refs;
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bool immutable;
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} WLR_PRIVATE;
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};
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struct wlr_xdg_toplevel_icon_manager_v1 *wlr_xdg_toplevel_icon_manager_v1_create(
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struct wl_display *display, uint32_t version);
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/**
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* Set icon size preferences.
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*
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* The list may be empty.
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*/
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void wlr_xdg_toplevel_icon_manager_v1_set_sizes(struct wlr_xdg_toplevel_icon_manager_v1 *manager,
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int *sizes, size_t n_sizes);
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/**
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* Reference an icon.
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*/
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struct wlr_xdg_toplevel_icon_v1 *wlr_xdg_toplevel_icon_v1_ref(
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struct wlr_xdg_toplevel_icon_v1 *icon);
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/**
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* Unreference an icon. When the icon reference count reaches 0, it is destroyed.
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*/
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void wlr_xdg_toplevel_icon_v1_unref(struct wlr_xdg_toplevel_icon_v1 *icon);
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#endif
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@ -39,6 +39,7 @@ protocols = {
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'xdg-activation-v1': wl_protocol_dir / 'staging/xdg-activation/xdg-activation-v1.xml',
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'xdg-dialog-v1': wl_protocol_dir / 'staging/xdg-dialog/xdg-dialog-v1.xml',
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'xdg-system-bell-v1': wl_protocol_dir / 'staging/xdg-system-bell/xdg-system-bell-v1.xml',
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'xdg-toplevel-icon-v1': wl_protocol_dir / 'staging/xdg-toplevel-icon/xdg-toplevel-icon-v1.xml',
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'xwayland-shell-v1': wl_protocol_dir / 'staging/xwayland-shell/xwayland-shell-v1.xml',
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'tearing-control-v1': wl_protocol_dir / 'staging/tearing-control/tearing-control-v1.xml',
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@ -99,6 +99,7 @@ wlr_files += files(
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'wlr_xdg_foreign_v2.c',
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'wlr_xdg_foreign_registry.c',
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'wlr_xdg_output_v1.c',
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'wlr_xdg_toplevel_icon_v1.c',
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)
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if features.get('drm-backend')
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293
types/wlr_xdg_toplevel_icon_v1.c
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293
types/wlr_xdg_toplevel_icon_v1.c
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@ -0,0 +1,293 @@
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <wayland-server-protocol.h>
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#include <wlr/types/wlr_buffer.h>
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#include <wlr/types/wlr_xdg_shell.h>
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#include <wlr/types/wlr_xdg_toplevel_icon_v1.h>
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#include <wlr/util/log.h>
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#include "xdg-toplevel-icon-v1-protocol.h"
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#define MANAGER_VERSION 1
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static const struct xdg_toplevel_icon_v1_interface icon_impl;
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static struct wlr_xdg_toplevel_icon_v1 *icon_from_resource(struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &xdg_toplevel_icon_v1_interface, &icon_impl));
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return wl_resource_get_user_data(resource);
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}
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static void icon_destroy(struct wlr_xdg_toplevel_icon_v1 *icon) {
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struct wlr_xdg_toplevel_icon_v1_buffer *icon_buffer, *tmp;
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wl_list_for_each_safe(icon_buffer, tmp, &icon->buffers, link) {
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wlr_buffer_unlock(icon_buffer->buffer);
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wl_list_remove(&icon_buffer->link);
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free(icon_buffer);
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}
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free(icon->name);
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free(icon);
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}
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static void icon_handle_destroy(struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void icon_handle_set_name(struct wl_client *client, struct wl_resource *resource,
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const char *name) {
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struct wlr_xdg_toplevel_icon_v1 *icon = icon_from_resource(resource);
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if (icon->immutable) {
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wl_resource_post_error(resource, XDG_TOPLEVEL_ICON_V1_ERROR_IMMUTABLE,
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"the icon has already been assigned to a toplevel and must not be changed");
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return;
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}
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char *dup = strdup(name);
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if (dup == NULL) {
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wl_resource_post_no_memory(resource);
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return;
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}
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free(icon->name);
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icon->name = dup;
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}
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static void icon_handle_add_buffer(struct wl_client *client, struct wl_resource *resource,
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struct wl_resource *buffer_resource, int32_t scale) {
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struct wlr_xdg_toplevel_icon_v1 *icon = icon_from_resource(resource);
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if (icon->immutable) {
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wl_resource_post_error(resource, XDG_TOPLEVEL_ICON_V1_ERROR_IMMUTABLE,
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"the icon has already been assigned to a toplevel and must not be changed");
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return;
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}
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struct wlr_buffer *buffer = wlr_buffer_try_from_resource(buffer_resource);
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const char *bad_buffer_msg = NULL;
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struct wlr_shm_attributes shm_attribs;
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if (!wlr_buffer_get_shm(buffer, &shm_attribs)) {
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bad_buffer_msg = "not backed by wl_shm";
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} else if (buffer->width != buffer->height) {
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bad_buffer_msg = "not square";
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}
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if (bad_buffer_msg != NULL) {
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wl_resource_post_error(resource, XDG_TOPLEVEL_ICON_V1_ERROR_INVALID_BUFFER,
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"the provided buffer does not satisfy requirements: %s", bad_buffer_msg);
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wlr_buffer_unlock(buffer);
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return;
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}
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struct wlr_xdg_toplevel_icon_v1_buffer *icon_buffer;
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wl_list_for_each(icon_buffer, &icon->buffers, link) {
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if (icon_buffer->buffer->width == buffer->width && icon_buffer->scale == scale) {
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wlr_buffer_unlock(icon_buffer->buffer);
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icon_buffer->buffer = buffer;
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return;
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}
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}
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icon_buffer = calloc(1, sizeof(*icon_buffer));
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if (icon_buffer == NULL) {
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wl_resource_post_no_memory(resource);
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}
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icon_buffer->buffer = buffer;
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icon_buffer->scale = scale;
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wl_list_insert(&icon->buffers, &icon_buffer->link);
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}
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static const struct xdg_toplevel_icon_v1_interface icon_impl = {
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.destroy = icon_handle_destroy,
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.set_name = icon_handle_set_name,
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.add_buffer = icon_handle_add_buffer,
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};
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static void icon_handle_resource_destroy(struct wl_resource *resource) {
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wlr_xdg_toplevel_icon_v1_unref(icon_from_resource(resource));
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}
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struct wlr_xdg_toplevel_icon_v1 *wlr_xdg_toplevel_icon_v1_ref(
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struct wlr_xdg_toplevel_icon_v1 *icon) {
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++icon->n_refs;
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return icon;
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}
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void wlr_xdg_toplevel_icon_v1_unref(struct wlr_xdg_toplevel_icon_v1 *icon) {
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if (icon == NULL) {
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return;
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}
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assert(icon->n_refs > 0);
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--icon->n_refs;
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if (icon->n_refs == 0) {
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icon_destroy(icon);
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};
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}
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static const struct xdg_toplevel_icon_manager_v1_interface manager_impl;
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static struct wlr_xdg_toplevel_icon_manager_v1 *manager_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &xdg_toplevel_icon_manager_v1_interface,
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&manager_impl));
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return wl_resource_get_user_data(resource);
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}
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static void manager_handle_destroy(struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void manager_handle_create_icon(struct wl_client *client, struct wl_resource *resource,
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uint32_t id) {
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struct wlr_xdg_toplevel_icon_v1 *icon = calloc(1, sizeof(*icon));
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if (icon == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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struct wl_resource *icon_resource = wl_resource_create(client,
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&xdg_toplevel_icon_v1_interface, wl_resource_get_version(resource), id);
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if (resource == NULL) {
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wl_client_post_no_memory(client);
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free(icon);
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return;
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}
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wl_list_init(&icon->buffers);
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icon->n_refs = 1;
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wl_resource_set_implementation(icon_resource, &icon_impl, icon, icon_handle_resource_destroy);
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}
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static void manager_handle_set_icon(struct wl_client *client, struct wl_resource *resource,
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struct wl_resource *toplevel_resource, struct wl_resource *icon_resource) {
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struct wlr_xdg_toplevel_icon_manager_v1 *manager = manager_from_resource(resource);
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struct wlr_xdg_toplevel *toplevel = wlr_xdg_toplevel_from_resource(toplevel_resource);
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struct wlr_xdg_toplevel_icon_v1 *icon = NULL;
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if (icon_resource != NULL) {
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icon = icon_from_resource(icon_resource);
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icon->immutable = true;
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if (icon->name == NULL && wl_list_empty(&icon->buffers)) {
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// Same as supplying null icon
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icon = NULL;
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}
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}
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struct wlr_xdg_toplevel_icon_manager_v1_set_icon_event event = {
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.toplevel = toplevel,
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.icon = icon,
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};
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wl_signal_emit_mutable(&manager->events.set_icon, &event);
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}
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static const struct xdg_toplevel_icon_manager_v1_interface manager_impl = {
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.destroy = manager_handle_destroy,
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.create_icon = manager_handle_create_icon,
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.set_icon = manager_handle_set_icon,
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};
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static void manager_send_sizes(struct wlr_xdg_toplevel_icon_manager_v1 *manager,
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struct wl_resource *resource) {
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for (size_t i = 0; i < manager->n_sizes; i++) {
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xdg_toplevel_icon_manager_v1_send_icon_size(resource, manager->sizes[i]);
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}
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xdg_toplevel_icon_manager_v1_send_done(resource);
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}
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static void manager_handle_resource_destroy(struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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static void manager_bind(struct wl_client *client, void *data, uint32_t version, uint32_t id) {
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struct wlr_xdg_toplevel_icon_manager_v1 *manager = data;
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struct wl_resource *resource = wl_resource_create(client,
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&xdg_toplevel_icon_manager_v1_interface, version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &manager_impl, manager, manager_handle_resource_destroy);
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wl_list_insert(&manager->resources, wl_resource_get_link(resource));
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manager_send_sizes(manager, resource);
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}
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static void manager_handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_xdg_toplevel_icon_manager_v1 *manager =
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wl_container_of(listener, manager, display_destroy);
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wl_signal_emit_mutable(&manager->events.destroy, NULL);
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wl_list_remove(&manager->display_destroy.link);
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wl_global_destroy(manager->global);
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wl_list_remove(&manager->resources);
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free(manager->sizes);
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free(manager);
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}
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void wlr_xdg_toplevel_icon_manager_v1_set_sizes(struct wlr_xdg_toplevel_icon_manager_v1 *manager,
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int *sizes, size_t n_sizes) {
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if (n_sizes != manager->n_sizes) {
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int *dup_sizes = NULL;
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if (n_sizes > 0) {
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dup_sizes = calloc(n_sizes, sizeof(*dup_sizes));
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if (dup_sizes == NULL) {
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wlr_log(WLR_ERROR, "Allocation failed");
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return;
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}
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}
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free(manager->sizes);
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manager->sizes = dup_sizes;
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manager->n_sizes = n_sizes;
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}
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for (size_t i = 0; i < n_sizes; i++) {
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manager->sizes[i] = sizes[i];
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}
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struct wl_resource *resource;
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wl_resource_for_each(resource, &manager->resources) {
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manager_send_sizes(manager, resource);
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}
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}
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struct wlr_xdg_toplevel_icon_manager_v1 *wlr_xdg_toplevel_icon_manager_v1_create(
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struct wl_display *display, uint32_t version) {
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assert(version <= MANAGER_VERSION);
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struct wlr_xdg_toplevel_icon_manager_v1 *manager = calloc(1, sizeof(*manager));
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if (manager == NULL) {
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return NULL;
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}
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manager->global = wl_global_create(display, &xdg_toplevel_icon_manager_v1_interface,
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version, manager, manager_bind);
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if (manager->global == NULL) {
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free(manager);
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return NULL;
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}
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wl_signal_init(&manager->events.set_icon);
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wl_signal_init(&manager->events.destroy);
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wl_list_init(&manager->resources);
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manager->display_destroy.notify = manager_handle_display_destroy;
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wl_display_add_destroy_listener(display, &manager->display_destroy);
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return manager;
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}
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