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wayland: plumbing for wp-fractional-scale

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* Bind the wp-viewporter and wp-fractional-scale-manager globals.
* Create a viewport and fractional-scale when instantiating a window.
* Add fractional-scale listener (that does nothing at the moment).
* Destroy everything on teardown.
This commit is contained in:
Daniel Eklöf 2023-03-08 10:44:03 +01:00
parent 1e6204e1ac
commit a9ecf1449e
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GPG key ID: 5BBD4992C116573F
2 changed files with 77 additions and 0 deletions
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61
wayland.c
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@ -1121,6 +1121,27 @@ handle_global(void *data, struct wl_registry *registry,
}
#endif
#if defined(HAVE_FRACTIONAL_SCALE)
else if (strcmp(interface, wp_viewporter_interface.name) == 0) {
const uint32_t required = 1;
if (!verify_iface_version(interface, version, required))
return;
wayl->viewporter = wl_registry_bind(
wayl->registry, name, &wp_viewporter_interface, required);
}
else if (strcmp(interface, wp_fractional_scale_manager_v1_interface.name) == 0) {
const uint32_t required = 1;
if (!verify_iface_version(interface, version, required))
return;
wayl->fractional_scale_manager = wl_registry_bind(
wayl->registry, name,
&wp_fractional_scale_manager_v1_interface, required);
}
#endif
#if defined(FOOT_IME_ENABLED) && FOOT_IME_ENABLED
else if (strcmp(interface, zwp_text_input_manager_v3_interface.name) == 0) {
const uint32_t required = 1;
@ -1435,6 +1456,12 @@ wayl_destroy(struct wayland *wayl)
zwp_text_input_manager_v3_destroy(wayl->text_input_manager);
#endif
#if defined(HAVE_FRACTIONAL_SCALE)
if (wayl->fractional_scale_manager != NULL)
wp_fractional_scale_manager_v1_destroy(wayl->fractional_scale_manager);
if (wayl->viewporter != NULL)
wp_viewporter_destroy(wayl->viewporter);
#endif
#if defined(HAVE_XDG_ACTIVATION)
if (wayl->xdg_activation != NULL)
xdg_activation_v1_destroy(wayl->xdg_activation);
@ -1469,6 +1496,21 @@ wayl_destroy(struct wayland *wayl)
free(wayl);
}
#if defined(HAVE_FRACTIONAL_SCALE)
static void fractional_scale_preferred_scale(
void *data, struct wp_fractional_scale_v1 *wp_fractional_scale_v1,
uint32_t scale)
{
struct wl_window *win = data;
win->scale = (float)scale / 120.;
LOG_DBG("fractional scale: %.3f", win->scale);
}
static const struct wp_fractional_scale_v1_listener fractional_scale_listener = {
.preferred_scale = &fractional_scale_preferred_scale,
};
#endif
struct wl_window *
wayl_win_init(struct terminal *term, const char *token)
{
@ -1499,6 +1541,19 @@ wayl_win_init(struct terminal *term, const char *token)
wl_surface_add_listener(win->surface, &surface_listener, win);
#if defined(HAVE_FRACTIONAL_SCALE)
if (wayl->fractional_scale_manager != NULL && wayl->viewporter != NULL) {
LOG_ERR("LDKJFLDF");
win->viewport = wp_viewporter_get_viewport(wayl->viewporter, win->surface);
win->fractional_scale =
wp_fractional_scale_manager_v1_get_fractional_scale(
wayl->fractional_scale_manager, win->surface);
wp_fractional_scale_v1_add_listener(
win->fractional_scale, &fractional_scale_listener, win);
}
#endif
win->xdg_surface = xdg_wm_base_get_xdg_surface(wayl->shell, win->surface);
xdg_surface_add_listener(win->xdg_surface, &xdg_surface_listener, win);
@ -1652,6 +1707,12 @@ wayl_win_destroy(struct wl_window *win)
tll_remove(win->xdg_tokens, it);
}
#endif
#if defined(HAVE_FRACTIONAL_SCALE)
if (win->fractional_scale != NULL)
wp_fractional_scale_v1_destroy(win->fractional_scale);
if (win->viewport != NULL)
wp_viewport_destroy(win->viewport);
#endif
if (win->frame_callback != NULL)
wl_callback_destroy(win->frame_callback);