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Add proof-of-concept selection support to terminal

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Next will be to support mouse selections so we can copy and paste
something more interesting than just 'selection data'.
This commit is contained in:
Kristian Høgsberg 2011-01-19 14:27:42 -05:00
parent 67cac8a565
commit 58eec36f68
3 changed files with 216 additions and 0 deletions
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120
clients/window.c
View file

@ -118,6 +118,7 @@ struct input {
struct wl_input_device *input_device;
struct window *pointer_focus;
struct window *keyboard_focus;
struct selection_offer *offer;
uint32_t current_pointer_image;
uint32_t modifiers;
int32_t x, y, sx, sy;
@ -1317,6 +1318,117 @@ display_add_input(struct display *d, uint32_t id)
wl_input_device_set_user_data(input->input_device, input);
}
struct selection_offer {
struct display *display;
struct wl_selection_offer *offer;
struct wl_array types;
struct input *input;
};
int
input_offers_mime_type(struct input *input, const char *type)
{
struct selection_offer *offer = input->offer;
char **p, **end;
if (offer == NULL)
return 0;
end = offer->types.data + offer->types.size;
for (p = offer->types.data; p < end; p++)
if (strcmp(*p, type) == 0)
return 1;
return 0;
}
int
input_receive_mime_type(struct input *input, const char *type)
{
struct selection_offer *offer = input->offer;
int p[2];
pipe(p);
/* FIXME: A number of things can go wrong here: the object may
* not be the current selection offer any more (which could
* still work, but the source may have gone away or just
* destroyed its wl_selection) or the offer may not have the
* requested type after all (programmer/client error,
* typically) */
wl_selection_offer_receive(offer->offer, type, p[1]);
close(p[1]);
return p[0];
}
static void
selection_offer_offer(void *data,
struct wl_selection_offer *selection_offer,
const char *type)
{
struct selection_offer *offer = data;
char **p;
p = wl_array_add(&offer->types, sizeof *p);
if (p)
*p = strdup(type);
};
static void
selection_offer_keyboard_focus(void *data,
struct wl_selection_offer *selection_offer,
struct wl_input_device *input_device)
{
struct selection_offer *offer = data;
struct input *input;
char **p, **end;
if (input_device == NULL) {
printf("selection offer retracted %p\n", selection_offer);
input = offer->input;
input->offer = NULL;
wl_selection_offer_destroy(selection_offer);
wl_array_release(&offer->types);
free(offer);
return;
}
input = wl_input_device_get_user_data(input_device);
printf("new selection offer %p:", selection_offer);
offer->input = input;
input->offer = offer;
end = offer->types.data + offer->types.size;
for (p = offer->types.data; p < end; p++)
printf(" %s", *p);
printf("\n");
}
struct wl_selection_offer_listener selection_offer_listener = {
selection_offer_offer,
selection_offer_keyboard_focus
};
static void
add_selection_offer(struct display *d, uint32_t id)
{
struct selection_offer *offer;
offer = malloc(sizeof *offer);
if (offer == NULL)
return;
offer->offer = wl_selection_offer_create(d->display, id);
offer->display = d;
wl_array_init(&offer->types);
offer->input = NULL;
wl_selection_offer_add_listener(offer->offer,
&selection_offer_listener, offer);
}
static void
display_handle_global(struct wl_display *display, uint32_t id,
const char *interface, uint32_t version, void *data)
@ -1338,6 +1450,8 @@ display_handle_global(struct wl_display *display, uint32_t id,
wl_drm_add_listener(d->drm, &drm_listener, d);
} else if (strcmp(interface, "shm") == 0) {
d->shm = wl_shm_create(display, id);
} else if (strcmp(interface, "selection_offer") == 0) {
add_selection_offer(d, id);
} else if (d->global_handler) {
d->global_handler(d, interface, id, version);
}
@ -1534,6 +1648,12 @@ display_get_egl_display(struct display *d)
return d->dpy;
}
struct wl_shell *
display_get_shell(struct display *display)
{
return display->shell;
}
void
display_run(struct display *d)
{