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wlr-data-device: drag icons

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This commit is contained in:
Tony Crisci 2017-10-15 11:06:03 -04:00
parent a1bfa4a2f2
commit df0a8d3abe
8 changed files with 89 additions and 5 deletions
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49
rootston/cursor.c
View file

@ -1,8 +1,10 @@
#define _XOPEN_SOURCE 700
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#ifdef __linux__
#include <linux/input-event-codes.h>
#elif __FreeBSD__
@ -11,6 +13,7 @@
#include <wayland-server.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/util/log.h>
#include <wlr/types/wlr_data_device.h>
#include "rootston/config.h"
#include "rootston/input.h"
#include "rootston/desktop.h"
@ -289,6 +292,49 @@ static void handle_tool_tip(struct wl_listener *listener, void *data) {
(uint32_t)(event->time_usec / 1000), BTN_LEFT, event->state);
}
static void handle_drag_icon_destroy(struct wl_listener *listener, void *data) {
struct roots_drag_icon *drag_icon =
wl_container_of(listener, drag_icon, surface_destroy);
wl_list_remove(&drag_icon->link);
wl_list_remove(&drag_icon->surface_destroy.link);
wl_list_remove(&drag_icon->surface_commit.link);
free(drag_icon);
}
static void handle_drag_icon_commit(struct wl_listener *listener, void *data) {
struct roots_drag_icon *drag_icon =
wl_container_of(listener, drag_icon, surface_commit);
// TODO the spec hints at rules that can determine whether the drag icon is
// mapped here, but it is not completely clear so we need to test more
// toolkits to see how we should interpret the surface state here.
drag_icon->mapped = drag_icon->surface->texture->valid;
}
static void handle_pointer_grab_begin(struct wl_listener *listener,
void *data) {
struct roots_input *input =
wl_container_of(listener, input, pointer_grab_begin);
struct wlr_seat_pointer_grab *grab = data;
if (grab->interface == &wlr_data_device_pointer_drag_interface) {
struct wlr_drag *drag = grab->data;
if (drag->icon) {
struct roots_drag_icon *drag_icon =
calloc(1, sizeof(struct roots_drag_icon));
drag_icon->surface = drag->icon;
wl_list_insert(&input->drag_icons, &drag_icon->link);
wl_signal_add(&drag->icon->events.destroy,
&drag_icon->surface_destroy);
drag_icon->surface_destroy.notify = handle_drag_icon_destroy;
wl_signal_add(&drag->icon->events.commit,
&drag_icon->surface_commit);
drag_icon->surface_commit.notify = handle_drag_icon_commit;
}
}
}
static void handle_pointer_grab_end(struct wl_listener *listener, void *data) {
struct roots_input *input =
wl_container_of(listener, input, pointer_grab_end);
@ -358,6 +404,9 @@ void cursor_initialize(struct roots_input *input) {
wl_signal_add(&input->wl_seat->events.pointer_grab_end, &input->pointer_grab_end);
input->pointer_grab_end.notify = handle_pointer_grab_end;
wl_signal_add(&input->wl_seat->events.pointer_grab_begin, &input->pointer_grab_begin);
input->pointer_grab_begin.notify = handle_pointer_grab_begin;
wl_list_init(&input->request_set_cursor.link);
wl_signal_add(&input->wl_seat->events.request_set_cursor,
&input->request_set_cursor);

2
rootston/input.c
View file

@ -110,6 +110,8 @@ struct roots_input *input_create(struct roots_server *server,
cursor_load_config(config, input->cursor,
input, server->desktop);
wl_list_init(&input->drag_icons);
return input;
}

4
rootston/main.c
View file

@ -19,11 +19,11 @@ int main(int argc, char **argv) {
assert(server.backend = wlr_backend_autocreate(server.wl_display));
assert(server.renderer = wlr_gles2_renderer_create(server.backend));
server.data_device_manager =
wlr_data_device_manager_create(server.wl_display);
wl_display_init_shm(server.wl_display);
server.desktop = desktop_create(&server, server.config);
server.input = input_create(&server, server.config);
server.data_device_manager =
wlr_data_device_manager_create(server.wl_display);
const char *socket = wl_display_add_socket_auto(server.wl_display);
if (!socket) {

15
rootston/output.c
View file

@ -150,6 +150,21 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
render_view(view, desktop, wlr_output, &now);
}
struct roots_drag_icon *drag_icon = NULL;
wl_list_for_each(drag_icon, &server->input->drag_icons, link) {
if (!drag_icon->mapped) {
continue;
}
struct wlr_surface *icon = drag_icon->surface;
struct wlr_cursor *cursor = server->input->cursor;
// TODO should also use the hotspot to determine the location, but
// hotspot is broken right now.
double icon_x = cursor->x - icon->current->sx;
double icon_y = cursor->y - icon->current->sy;
render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
}
wlr_renderer_end(server->renderer);
wlr_output_swap_buffers(wlr_output);