541 lines
17 KiB
C
541 lines
17 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wlr/util/log.h>
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#include <wlr/util/edges.h>
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#include "types/wlr_xdg_shell.h"
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#include "util/signal.h"
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void handle_xdg_toplevel_ack_configure(
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struct wlr_xdg_surface *surface,
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struct wlr_xdg_surface_configure *configure) {
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assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
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assert(configure->toplevel_state != NULL);
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surface->toplevel->current.maximized =
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configure->toplevel_state->maximized;
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surface->toplevel->current.fullscreen =
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configure->toplevel_state->fullscreen;
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surface->toplevel->current.resizing =
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configure->toplevel_state->resizing;
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surface->toplevel->current.activated =
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configure->toplevel_state->activated;
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surface->toplevel->current.tiled =
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configure->toplevel_state->tiled;
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}
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bool compare_xdg_surface_toplevel_state(struct wlr_xdg_toplevel *state) {
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struct {
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struct wlr_xdg_toplevel_state state;
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uint32_t width, height;
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} configured;
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// is pending state different from current state?
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if (!state->base->configured) {
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return false;
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}
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if (wl_list_empty(&state->base->configure_list)) {
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// last configure is actually the current state, just use it
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configured.state = state->current;
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configured.width = state->base->surface->current.width;
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configured.height = state->base->surface->current.height;
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} else {
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struct wlr_xdg_surface_configure *configure =
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wl_container_of(state->base->configure_list.prev, configure, link);
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configured.state = *configure->toplevel_state;
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configured.width = configure->toplevel_state->width;
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configured.height = configure->toplevel_state->height;
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}
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if (state->server_pending.activated != configured.state.activated) {
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return false;
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}
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if (state->server_pending.fullscreen != configured.state.fullscreen) {
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return false;
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}
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if (state->server_pending.maximized != configured.state.maximized) {
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return false;
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}
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if (state->server_pending.resizing != configured.state.resizing) {
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return false;
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}
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if (state->server_pending.tiled != configured.state.tiled) {
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return false;
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}
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if (state->server_pending.width == configured.width &&
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state->server_pending.height == configured.height) {
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return true;
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}
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if (state->server_pending.width == 0 && state->server_pending.height == 0) {
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return true;
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}
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return false;
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}
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void send_xdg_toplevel_configure(struct wlr_xdg_surface *surface,
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struct wlr_xdg_surface_configure *configure) {
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assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
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configure->toplevel_state = malloc(sizeof(*configure->toplevel_state));
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if (configure->toplevel_state == NULL) {
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wlr_log(WLR_ERROR, "Allocation failed");
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wl_resource_post_no_memory(surface->toplevel->resource);
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return;
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}
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*configure->toplevel_state = surface->toplevel->server_pending;
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struct wl_array states;
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wl_array_init(&states);
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if (surface->toplevel->server_pending.maximized) {
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uint32_t *s = wl_array_add(&states, sizeof(uint32_t));
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if (!s) {
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wlr_log(WLR_ERROR, "Could not allocate state for maximized xdg_toplevel");
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goto error_out;
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}
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*s = XDG_TOPLEVEL_STATE_MAXIMIZED;
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}
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if (surface->toplevel->server_pending.fullscreen) {
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uint32_t *s = wl_array_add(&states, sizeof(uint32_t));
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if (!s) {
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wlr_log(WLR_ERROR, "Could not allocate state for fullscreen xdg_toplevel");
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goto error_out;
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}
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*s = XDG_TOPLEVEL_STATE_FULLSCREEN;
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}
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if (surface->toplevel->server_pending.resizing) {
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uint32_t *s = wl_array_add(&states, sizeof(uint32_t));
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if (!s) {
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wlr_log(WLR_ERROR, "Could not allocate state for resizing xdg_toplevel");
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goto error_out;
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}
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*s = XDG_TOPLEVEL_STATE_RESIZING;
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}
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if (surface->toplevel->server_pending.activated) {
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uint32_t *s = wl_array_add(&states, sizeof(uint32_t));
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if (!s) {
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wlr_log(WLR_ERROR, "Could not allocate state for activated xdg_toplevel");
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goto error_out;
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}
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*s = XDG_TOPLEVEL_STATE_ACTIVATED;
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}
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if (surface->toplevel->server_pending.tiled) {
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if (wl_resource_get_version(surface->resource) >=
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XDG_TOPLEVEL_STATE_TILED_LEFT_SINCE_VERSION) {
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const struct {
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enum wlr_edges edge;
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enum xdg_toplevel_state state;
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} tiled[] = {
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{ WLR_EDGE_LEFT, XDG_TOPLEVEL_STATE_TILED_LEFT },
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{ WLR_EDGE_RIGHT, XDG_TOPLEVEL_STATE_TILED_RIGHT },
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{ WLR_EDGE_TOP, XDG_TOPLEVEL_STATE_TILED_TOP },
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{ WLR_EDGE_BOTTOM, XDG_TOPLEVEL_STATE_TILED_BOTTOM },
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};
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for (size_t i = 0; i < sizeof(tiled)/sizeof(tiled[0]); ++i) {
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if ((surface->toplevel->server_pending.tiled &
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tiled[i].edge) == 0) {
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continue;
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}
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uint32_t *s = wl_array_add(&states, sizeof(uint32_t));
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if (!s) {
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wlr_log(WLR_ERROR,
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"Could not allocate state for tiled xdg_toplevel");
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goto error_out;
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}
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*s = tiled[i].state;
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}
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} else if (!surface->toplevel->server_pending.maximized) {
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// This version doesn't support tiling, best we can do is make the
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// toplevel maximized
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uint32_t *s = wl_array_add(&states, sizeof(uint32_t));
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if (!s) {
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wlr_log(WLR_ERROR,
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"Could not allocate state for maximized xdg_toplevel");
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goto error_out;
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}
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*s = XDG_TOPLEVEL_STATE_MAXIMIZED;
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}
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}
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uint32_t width = surface->toplevel->server_pending.width;
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uint32_t height = surface->toplevel->server_pending.height;
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xdg_toplevel_send_configure(surface->toplevel->resource, width, height,
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&states);
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wl_array_release(&states);
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return;
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error_out:
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wl_array_release(&states);
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wl_resource_post_no_memory(surface->toplevel->resource);
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}
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void handle_xdg_surface_toplevel_committed(struct wlr_xdg_surface *surface) {
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assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
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if (!surface->toplevel->added) {
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// on the first commit, send a configure request to tell the client it
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// is added
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schedule_xdg_surface_configure(surface);
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surface->toplevel->added = true;
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return;
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}
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// update state that doesn't need compositor approval
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surface->toplevel->current.max_width =
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surface->toplevel->client_pending.max_width;
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surface->toplevel->current.min_width =
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surface->toplevel->client_pending.min_width;
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surface->toplevel->current.max_height =
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surface->toplevel->client_pending.max_height;
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surface->toplevel->current.min_height =
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surface->toplevel->client_pending.min_height;
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}
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static const struct xdg_toplevel_interface xdg_toplevel_implementation;
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static struct wlr_xdg_surface *xdg_surface_from_xdg_toplevel_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &xdg_toplevel_interface,
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&xdg_toplevel_implementation));
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return wl_resource_get_user_data(resource);
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}
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static void xdg_toplevel_handle_set_parent(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *parent_resource) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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struct wlr_xdg_surface *parent = NULL;
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if (parent_resource != NULL) {
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parent = xdg_surface_from_xdg_toplevel_resource(parent_resource);
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}
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surface->toplevel->parent = parent;
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wlr_signal_emit_safe(&surface->toplevel->events.set_parent, surface);
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}
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static void xdg_toplevel_handle_set_title(struct wl_client *client,
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struct wl_resource *resource, const char *title) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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char *tmp;
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tmp = strdup(title);
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if (tmp == NULL) {
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return;
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}
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free(surface->toplevel->title);
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surface->toplevel->title = tmp;
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}
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static void xdg_toplevel_handle_set_app_id(struct wl_client *client,
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struct wl_resource *resource, const char *app_id) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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char *tmp;
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tmp = strdup(app_id);
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if (tmp == NULL) {
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return;
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}
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free(surface->toplevel->app_id);
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surface->toplevel->app_id = tmp;
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}
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static void xdg_toplevel_handle_show_window_menu(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *seat_resource,
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uint32_t serial, int32_t x, int32_t y) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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struct wlr_seat_client *seat =
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wlr_seat_client_from_resource(seat_resource);
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if (!surface->configured) {
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wl_resource_post_error(surface->toplevel->resource,
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XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
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"surface has not been configured yet");
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return;
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}
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if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
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wlr_log(WLR_DEBUG, "invalid serial for grab");
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return;
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}
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struct wlr_xdg_toplevel_show_window_menu_event event = {
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.surface = surface,
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.seat = seat,
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.serial = serial,
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.x = x,
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.y = y,
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};
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wlr_signal_emit_safe(&surface->toplevel->events.request_show_window_menu, &event);
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}
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static void xdg_toplevel_handle_move(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *seat_resource,
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uint32_t serial) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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struct wlr_seat_client *seat =
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wlr_seat_client_from_resource(seat_resource);
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if (!surface->configured) {
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wl_resource_post_error(surface->toplevel->resource,
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XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
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"surface has not been configured yet");
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return;
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}
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if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
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wlr_log(WLR_DEBUG, "invalid serial for grab");
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return;
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}
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struct wlr_xdg_toplevel_move_event event = {
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.surface = surface,
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.seat = seat,
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.serial = serial,
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};
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wlr_signal_emit_safe(&surface->toplevel->events.request_move, &event);
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}
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static void xdg_toplevel_handle_resize(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *seat_resource,
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uint32_t serial, uint32_t edges) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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struct wlr_seat_client *seat =
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wlr_seat_client_from_resource(seat_resource);
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if (!surface->configured) {
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wl_resource_post_error(surface->toplevel->resource,
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XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
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"surface has not been configured yet");
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return;
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}
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if (!wlr_seat_validate_grab_serial(seat->seat, serial)) {
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wlr_log(WLR_DEBUG, "invalid serial for grab");
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return;
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}
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struct wlr_xdg_toplevel_resize_event event = {
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.surface = surface,
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.seat = seat,
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.serial = serial,
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.edges = edges,
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};
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wlr_signal_emit_safe(&surface->toplevel->events.request_resize, &event);
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}
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static void xdg_toplevel_handle_set_max_size(struct wl_client *client,
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struct wl_resource *resource, int32_t width, int32_t height) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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surface->toplevel->client_pending.max_width = width;
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surface->toplevel->client_pending.max_height = height;
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}
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static void xdg_toplevel_handle_set_min_size(struct wl_client *client,
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struct wl_resource *resource, int32_t width, int32_t height) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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surface->toplevel->client_pending.min_width = width;
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surface->toplevel->client_pending.min_height = height;
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}
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static void xdg_toplevel_handle_set_maximized(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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surface->toplevel->client_pending.maximized = true;
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wlr_signal_emit_safe(&surface->toplevel->events.request_maximize, surface);
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}
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static void xdg_toplevel_handle_unset_maximized(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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surface->toplevel->client_pending.maximized = false;
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wlr_signal_emit_safe(&surface->toplevel->events.request_maximize, surface);
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}
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static void xdg_toplevel_handle_set_fullscreen(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *output_resource) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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struct wlr_output *output = NULL;
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if (output_resource != NULL) {
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output = wlr_output_from_resource(output_resource);
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}
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surface->toplevel->client_pending.fullscreen = true;
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struct wlr_xdg_toplevel_set_fullscreen_event event = {
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.surface = surface,
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.fullscreen = true,
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.output = output,
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};
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wlr_signal_emit_safe(&surface->toplevel->events.request_fullscreen, &event);
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}
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static void xdg_toplevel_handle_unset_fullscreen(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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surface->toplevel->client_pending.fullscreen = false;
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struct wlr_xdg_toplevel_set_fullscreen_event event = {
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.surface = surface,
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.fullscreen = false,
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.output = NULL,
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};
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wlr_signal_emit_safe(&surface->toplevel->events.request_fullscreen, &event);
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}
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static void xdg_toplevel_handle_set_minimized(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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wlr_signal_emit_safe(&surface->toplevel->events.request_minimize, surface);
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}
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static void xdg_toplevel_handle_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static const struct xdg_toplevel_interface xdg_toplevel_implementation = {
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.destroy = xdg_toplevel_handle_destroy,
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.set_parent = xdg_toplevel_handle_set_parent,
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.set_title = xdg_toplevel_handle_set_title,
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.set_app_id = xdg_toplevel_handle_set_app_id,
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.show_window_menu = xdg_toplevel_handle_show_window_menu,
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.move = xdg_toplevel_handle_move,
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.resize = xdg_toplevel_handle_resize,
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.set_max_size = xdg_toplevel_handle_set_max_size,
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.set_min_size = xdg_toplevel_handle_set_min_size,
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.set_maximized = xdg_toplevel_handle_set_maximized,
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.unset_maximized = xdg_toplevel_handle_unset_maximized,
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.set_fullscreen = xdg_toplevel_handle_set_fullscreen,
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.unset_fullscreen = xdg_toplevel_handle_unset_fullscreen,
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.set_minimized = xdg_toplevel_handle_set_minimized,
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};
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static void xdg_toplevel_handle_resource_destroy(struct wl_resource *resource) {
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struct wlr_xdg_surface *surface =
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xdg_surface_from_xdg_toplevel_resource(resource);
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if (surface != NULL) {
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destroy_xdg_toplevel(surface);
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}
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}
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const struct wlr_surface_role xdg_toplevel_surface_role = {
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.name = "xdg_toplevel",
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.commit = handle_xdg_surface_committed,
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};
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|
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void create_xdg_toplevel(struct wlr_xdg_surface *xdg_surface,
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uint32_t id) {
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if (!wlr_surface_set_role(xdg_surface->surface, &xdg_toplevel_surface_role,
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xdg_surface, xdg_surface->resource, XDG_WM_BASE_ERROR_ROLE)) {
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return;
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}
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|
|
xdg_surface->toplevel = calloc(1, sizeof(struct wlr_xdg_toplevel));
|
|
if (xdg_surface->toplevel == NULL) {
|
|
wl_resource_post_no_memory(xdg_surface->resource);
|
|
return;
|
|
}
|
|
wl_signal_init(&xdg_surface->toplevel->events.request_maximize);
|
|
wl_signal_init(&xdg_surface->toplevel->events.request_fullscreen);
|
|
wl_signal_init(&xdg_surface->toplevel->events.request_minimize);
|
|
wl_signal_init(&xdg_surface->toplevel->events.request_move);
|
|
wl_signal_init(&xdg_surface->toplevel->events.request_resize);
|
|
wl_signal_init(&xdg_surface->toplevel->events.request_show_window_menu);
|
|
wl_signal_init(&xdg_surface->toplevel->events.set_parent);
|
|
|
|
xdg_surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL;
|
|
xdg_surface->toplevel->base = xdg_surface;
|
|
|
|
struct wl_resource *toplevel_resource = wl_resource_create(
|
|
xdg_surface->client->client, &xdg_toplevel_interface,
|
|
wl_resource_get_version(xdg_surface->resource), id);
|
|
if (toplevel_resource == NULL) {
|
|
free(xdg_surface->toplevel);
|
|
wl_resource_post_no_memory(xdg_surface->resource);
|
|
return;
|
|
}
|
|
wl_resource_set_implementation(toplevel_resource,
|
|
&xdg_toplevel_implementation, xdg_surface,
|
|
xdg_toplevel_handle_resource_destroy);
|
|
|
|
xdg_surface->toplevel->resource = toplevel_resource;
|
|
}
|
|
|
|
uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface,
|
|
uint32_t width, uint32_t height) {
|
|
assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
|
|
surface->toplevel->server_pending.width = width;
|
|
surface->toplevel->server_pending.height = height;
|
|
|
|
return schedule_xdg_surface_configure(surface);
|
|
}
|
|
|
|
uint32_t wlr_xdg_toplevel_set_activated(struct wlr_xdg_surface *surface,
|
|
bool activated) {
|
|
assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
|
|
surface->toplevel->server_pending.activated = activated;
|
|
|
|
return schedule_xdg_surface_configure(surface);
|
|
}
|
|
|
|
uint32_t wlr_xdg_toplevel_set_maximized(struct wlr_xdg_surface *surface,
|
|
bool maximized) {
|
|
assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
|
|
surface->toplevel->server_pending.maximized = maximized;
|
|
|
|
return schedule_xdg_surface_configure(surface);
|
|
}
|
|
|
|
uint32_t wlr_xdg_toplevel_set_fullscreen(struct wlr_xdg_surface *surface,
|
|
bool fullscreen) {
|
|
assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
|
|
surface->toplevel->server_pending.fullscreen = fullscreen;
|
|
|
|
return schedule_xdg_surface_configure(surface);
|
|
}
|
|
|
|
uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface,
|
|
bool resizing) {
|
|
assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
|
|
surface->toplevel->server_pending.resizing = resizing;
|
|
|
|
return schedule_xdg_surface_configure(surface);
|
|
}
|
|
|
|
uint32_t wlr_xdg_toplevel_set_tiled(struct wlr_xdg_surface *surface,
|
|
uint32_t tiled) {
|
|
assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL);
|
|
surface->toplevel->server_pending.tiled = tiled;
|
|
|
|
return schedule_xdg_surface_configure(surface);
|
|
}
|