weston/desktop-shell/input-panel.c
Derek Foreman db51409b9a desktop-shell: Pass a weston_coord to calc_input_panel_position
Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
2023-06-19 13:09:03 +00:00

428 lines
12 KiB
C

/*
* Copyright © 2010-2012 Intel Corporation
* Copyright © 2011-2012 Collabora, Ltd.
* Copyright © 2013 Raspberry Pi Foundation
*
* 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.
*/
#include "config.h"
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "shell.h"
#include "input-method-unstable-v1-server-protocol.h"
#include "shared/helpers.h"
struct input_panel_surface {
struct wl_resource *resource;
struct wl_signal destroy_signal;
struct desktop_shell *shell;
struct wl_list link;
struct weston_surface *surface;
struct weston_view *view;
struct wl_listener surface_destroy_listener;
struct weston_view_animation *anim;
struct weston_output *output;
uint32_t panel;
};
static void
input_panel_slide_done(struct weston_view_animation *animation, void *data)
{
struct input_panel_surface *ipsurf = data;
ipsurf->anim = NULL;
}
static int
calc_input_panel_position(struct input_panel_surface *ip_surface, struct weston_coord_global *out_pos)
{
struct desktop_shell *shell = ip_surface->shell;
struct weston_coord_global pos;
if (ip_surface->panel) {
struct weston_view *view = get_default_view(shell->text_input.surface);
if (view == NULL)
return -1;
pos = weston_view_get_pos_offset_global(view);
pos.c.x += shell->text_input.cursor_rectangle.x2;
pos.c.y += shell->text_input.cursor_rectangle.y2;
} else {
pos = ip_surface->output->pos;
pos.c.x += (ip_surface->output->width - ip_surface->surface->width) / 2;
pos.c.y += ip_surface->output->height - ip_surface->surface->height;
}
*out_pos = pos;
return 0;
}
static void
show_input_panel_surface(struct input_panel_surface *ipsurf)
{
struct desktop_shell *shell = ipsurf->shell;
struct weston_seat *seat;
struct weston_surface *focus;
struct weston_coord_global pos;
wl_list_for_each(seat, &shell->compositor->seat_list, link) {
struct weston_keyboard *keyboard =
weston_seat_get_keyboard(seat);
if (!keyboard || !keyboard->focus)
continue;
focus = weston_surface_get_main_surface(keyboard->focus);
if (!focus)
continue;
ipsurf->output = focus->output;
if (calc_input_panel_position(ipsurf, &pos))
continue;
weston_view_set_position(ipsurf->view, pos);
}
weston_layer_entry_insert(&shell->input_panel_layer.view_list,
&ipsurf->view->layer_link);
weston_view_geometry_dirty(ipsurf->view);
weston_view_update_transform(ipsurf->view);
ipsurf->view->is_mapped = true;
weston_surface_map(ipsurf->surface);
weston_surface_damage(ipsurf->surface);
if (ipsurf->anim)
weston_view_animation_destroy(ipsurf->anim);
ipsurf->anim =
weston_slide_run(ipsurf->view,
ipsurf->surface->height * 0.9, 0,
input_panel_slide_done, ipsurf);
}
static void
show_input_panels(struct wl_listener *listener, void *data)
{
struct desktop_shell *shell =
container_of(listener, struct desktop_shell,
show_input_panel_listener);
struct input_panel_surface *ipsurf, *next;
shell->text_input.surface = (struct weston_surface*)data;
if (shell->showing_input_panels)
return;
shell->showing_input_panels = true;
if (!shell->locked)
weston_layer_set_position(&shell->input_panel_layer,
WESTON_LAYER_POSITION_TOP_UI);
wl_list_for_each_safe(ipsurf, next,
&shell->input_panel.surfaces, link) {
if (ipsurf->surface->width == 0)
continue;
show_input_panel_surface(ipsurf);
}
}
static void
hide_input_panels(struct wl_listener *listener, void *data)
{
struct desktop_shell *shell =
container_of(listener, struct desktop_shell,
hide_input_panel_listener);
struct weston_view *view, *next;
if (!shell->showing_input_panels)
return;
shell->showing_input_panels = false;
if (!shell->locked)
weston_layer_unset_position(&shell->input_panel_layer);
wl_list_for_each_safe(view, next,
&shell->input_panel_layer.view_list.link,
layer_link.link)
weston_view_unmap(view);
}
static void
update_input_panels(struct wl_listener *listener, void *data)
{
struct desktop_shell *shell =
container_of(listener, struct desktop_shell,
update_input_panel_listener);
memcpy(&shell->text_input.cursor_rectangle, data, sizeof(pixman_box32_t));
}
static int
input_panel_get_label(struct weston_surface *surface, char *buf, size_t len)
{
return snprintf(buf, len, "input panel");
}
static void
input_panel_committed(struct weston_surface *surface,
struct weston_coord_surface new_origin)
{
struct input_panel_surface *ip_surface = surface->committed_private;
struct desktop_shell *shell = ip_surface->shell;
struct weston_coord_global pos;
if (surface->width == 0)
return;
if (calc_input_panel_position(ip_surface, &pos))
return;
weston_view_set_position(ip_surface->view, pos);
if (!weston_surface_is_mapped(surface) && shell->showing_input_panels)
show_input_panel_surface(ip_surface);
}
static void
destroy_input_panel_surface(struct input_panel_surface *input_panel_surface)
{
wl_signal_emit(&input_panel_surface->destroy_signal, input_panel_surface);
wl_list_remove(&input_panel_surface->surface_destroy_listener.link);
wl_list_remove(&input_panel_surface->link);
input_panel_surface->surface->committed = NULL;
weston_surface_set_label_func(input_panel_surface->surface, NULL);
weston_view_destroy(input_panel_surface->view);
free(input_panel_surface);
}
static struct input_panel_surface *
get_input_panel_surface(struct weston_surface *surface)
{
if (surface->committed == input_panel_committed) {
return surface->committed_private;
} else {
return NULL;
}
}
static void
input_panel_handle_surface_destroy(struct wl_listener *listener, void *data)
{
struct input_panel_surface *ipsurface = container_of(listener,
struct input_panel_surface,
surface_destroy_listener);
if (ipsurface->resource) {
wl_resource_destroy(ipsurface->resource);
} else {
destroy_input_panel_surface(ipsurface);
}
}
static struct input_panel_surface *
create_input_panel_surface(struct desktop_shell *shell,
struct weston_surface *surface)
{
struct input_panel_surface *input_panel_surface;
input_panel_surface = calloc(1, sizeof *input_panel_surface);
if (!input_panel_surface)
return NULL;
surface->committed = input_panel_committed;
surface->committed_private = input_panel_surface;
weston_surface_set_label_func(surface, input_panel_get_label);
input_panel_surface->shell = shell;
input_panel_surface->surface = surface;
input_panel_surface->view = weston_view_create(surface);
wl_signal_init(&input_panel_surface->destroy_signal);
input_panel_surface->surface_destroy_listener.notify = input_panel_handle_surface_destroy;
wl_signal_add(&surface->destroy_signal,
&input_panel_surface->surface_destroy_listener);
wl_list_init(&input_panel_surface->link);
return input_panel_surface;
}
static void
input_panel_surface_set_toplevel(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *output_resource,
uint32_t position)
{
struct input_panel_surface *input_panel_surface =
wl_resource_get_user_data(resource);
struct desktop_shell *shell = input_panel_surface->shell;
struct weston_head *head;
wl_list_insert(&shell->input_panel.surfaces,
&input_panel_surface->link);
head = weston_head_from_resource(output_resource);
input_panel_surface->output = head->output;
input_panel_surface->panel = 0;
}
static void
input_panel_surface_set_overlay_panel(struct wl_client *client,
struct wl_resource *resource)
{
struct input_panel_surface *input_panel_surface =
wl_resource_get_user_data(resource);
struct desktop_shell *shell = input_panel_surface->shell;
wl_list_insert(&shell->input_panel.surfaces,
&input_panel_surface->link);
input_panel_surface->panel = 1;
}
static const struct zwp_input_panel_surface_v1_interface input_panel_surface_implementation = {
input_panel_surface_set_toplevel,
input_panel_surface_set_overlay_panel
};
static void
destroy_input_panel_surface_resource(struct wl_resource *resource)
{
struct input_panel_surface *ipsurf =
wl_resource_get_user_data(resource);
destroy_input_panel_surface(ipsurf);
}
static void
input_panel_get_input_panel_surface(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surface_resource)
{
struct weston_surface *surface =
wl_resource_get_user_data(surface_resource);
struct desktop_shell *shell = wl_resource_get_user_data(resource);
struct input_panel_surface *ipsurf;
if (get_input_panel_surface(surface)) {
wl_resource_post_error(surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"wl_input_panel::get_input_panel_surface already requested");
return;
}
ipsurf = create_input_panel_surface(shell, surface);
if (!ipsurf) {
wl_resource_post_error(surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"surface->committed already set");
return;
}
ipsurf->resource =
wl_resource_create(client,
&zwp_input_panel_surface_v1_interface,
1,
id);
wl_resource_set_implementation(ipsurf->resource,
&input_panel_surface_implementation,
ipsurf,
destroy_input_panel_surface_resource);
}
static const struct zwp_input_panel_v1_interface input_panel_implementation = {
input_panel_get_input_panel_surface
};
static void
unbind_input_panel(struct wl_resource *resource)
{
struct desktop_shell *shell = wl_resource_get_user_data(resource);
shell->input_panel.binding = NULL;
}
static void
bind_input_panel(struct wl_client *client,
void *data, uint32_t version, uint32_t id)
{
struct desktop_shell *shell = data;
struct wl_resource *resource;
resource = wl_resource_create(client,
&zwp_input_panel_v1_interface, 1, id);
if (shell->input_panel.binding == NULL) {
wl_resource_set_implementation(resource,
&input_panel_implementation,
shell, unbind_input_panel);
shell->input_panel.binding = resource;
return;
}
wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
"interface object already bound");
}
void
input_panel_destroy(struct desktop_shell *shell)
{
wl_list_remove(&shell->show_input_panel_listener.link);
wl_list_remove(&shell->hide_input_panel_listener.link);
}
int
input_panel_setup(struct desktop_shell *shell)
{
struct weston_compositor *ec = shell->compositor;
shell->show_input_panel_listener.notify = show_input_panels;
wl_signal_add(&ec->show_input_panel_signal,
&shell->show_input_panel_listener);
shell->hide_input_panel_listener.notify = hide_input_panels;
wl_signal_add(&ec->hide_input_panel_signal,
&shell->hide_input_panel_listener);
shell->update_input_panel_listener.notify = update_input_panels;
wl_signal_add(&ec->update_input_panel_signal,
&shell->update_input_panel_listener);
wl_list_init(&shell->input_panel.surfaces);
if (wl_global_create(shell->compositor->wl_display,
&zwp_input_panel_v1_interface, 1,
shell, bind_input_panel) == NULL)
return -1;
return 0;
}