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https://codeberg.org/dwl/dwl.git
synced 2024-12-26 11:16:30 +00:00
implement input popup rendering
Based on https://github.com/swaywm/sway/pull/5890
This commit is contained in:
Silvan Jegen
parent
c86f2f73fd
commit
27bf627a97
1 changed files with 268 additions and 0 deletions
268
dwl.c
268
dwl.c
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@ -218,6 +218,7 @@ typedef struct {
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*/
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struct dwl_input_method_relay {
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struct wl_list text_inputs; // dwl_text_input::link
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struct wl_list input_popups; // dwl_input_popup::link
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struct wlr_input_method_v2 *input_method; // doesn't have to be present
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struct wl_listener text_input_new;
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@ -225,6 +226,7 @@ struct dwl_input_method_relay {
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struct wl_listener input_method_new;
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struct wl_listener input_method_commit;
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struct wl_listener input_method_destroy;
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struct wl_listener input_method_new_popup_surface;
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};
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struct dwl_text_input {
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@ -246,6 +248,27 @@ struct dwl_text_input {
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struct wl_listener text_input_destroy;
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};
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struct dwl_input_popup {
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struct dwl_input_method_relay *relay;
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struct wlr_input_popup_surface_v2 *popup_surface;
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struct wlr_scene_node *scene;
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struct wlr_scene_node *scene_surface;
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int x, y;
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bool visible;
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struct wl_list link;
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struct wl_list view_link;
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struct wl_listener popup_map;
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struct wl_listener popup_unmap;
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struct wl_listener popup_destroy;
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struct wl_listener popup_surface_commit;
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struct wl_listener focused_surface_unmap;
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};
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/* Used to move all of the data necessary to render a surface from the top-level
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* frame handler to the per-surface render function. */
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struct render_data {
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@ -370,6 +393,9 @@ static struct wlr_xdg_shell *xdg_shell;
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static struct wlr_xdg_activation_v1 *activation;
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static struct wl_list clients; /* tiling order */
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static struct wl_list fstack; /* focus order */
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static struct wl_list input_popups; /* dwl_input_popup::view_link to be rendered for the input method */
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static struct wlr_idle *idle;
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static struct wlr_idle_inhibit_manager_v1 *idle_inhibit_mgr;
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static struct wlr_input_inhibit_manager *input_inhibit_mgr;
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@ -1022,6 +1048,7 @@ createnotify(struct wl_listener *listener, void *data)
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} else if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_NONE)
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return;
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/* Allocate a Client for this surface */
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c = xdg_surface->data = ecalloc(1, sizeof(*c));
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c->surface.xdg = xdg_surface;
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@ -2200,6 +2227,241 @@ static void relay_handle_text_input(struct wl_listener *listener,
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dwl_text_input_create(relay, wlr_text_input);
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}
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static LayerSurface* layer_surface_from_wlr_layer_surface_v1(
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struct wlr_layer_surface_v1* layer_surface) {
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return layer_surface->data;
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}
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static Client* client_from_wlr_surface(struct wlr_surface* surface) {
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return wlr_xdg_surface_from_wlr_surface(surface)->data;
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}
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static void get_parent_and_output_box(struct wlr_surface *focused_surface,
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struct wlr_box *parent, struct wlr_box *output_box) {
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struct wlr_output *output;
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struct wlr_box *output_box_tmp;
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if (wlr_surface_is_layer_surface(focused_surface)) {
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struct wlr_layer_surface_v1 *layer_surface =
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wlr_layer_surface_v1_from_wlr_surface(focused_surface);
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LayerSurface* layer =
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layer_surface_from_wlr_layer_surface_v1(layer_surface);
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output = layer->layer_surface->output;
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output_box_tmp = wlr_output_layout_get_box(output_layout, output);
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*parent = layer->geo;
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parent->x += output_box_tmp->x;
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parent->y += output_box_tmp->y;
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} else {
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Client *client = client_from_wlr_surface(focused_surface);
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output = wlr_output_layout_output_at(output_layout,
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client->geom.x, client->geom.y);
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output_box_tmp = wlr_output_layout_get_box(output_layout, output);
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parent->x = client->geom.x + client->bw;
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parent->y = client->geom.y + client->bw;
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parent->width = client->geom.width;
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parent->height = client->geom.height;
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}
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*output_box = *output_box_tmp;
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}
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static void input_popup_update(struct dwl_input_popup *popup) {
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struct wlr_surface* focused_surface;
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struct wlr_box output_box, parent, cursor;
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int x1, x2, y1, y2, x, y, available_right, available_left, available_down,
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available_up, popup_width, popup_height;
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bool cursor_rect, x1_in_bounds, y1_in_bounds, x2_in_bounds, y2_in_bounds;
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struct dwl_text_input *text_input =
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relay_get_focused_text_input(popup->relay);
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if (!text_input|| !text_input->input->focused_surface) {
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return;
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}
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if (!popup->popup_surface->mapped) {
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return;
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}
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cursor_rect = text_input->input->current.features
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& WLR_TEXT_INPUT_V3_FEATURE_CURSOR_RECTANGLE;
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focused_surface = text_input->input->focused_surface;
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cursor = text_input->input->current.cursor_rectangle;
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get_parent_and_output_box(focused_surface, &parent, &output_box);
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if (!cursor_rect) {
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cursor.x = 0;
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cursor.y = 0;
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cursor.width = parent.width;
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cursor.height = parent.height;
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}
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popup_width = popup->popup_surface->surface->current.width;
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popup_height = popup->popup_surface->surface->current.height;
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x1 = parent.x + cursor.x;
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x2 = parent.x + cursor.x + cursor.width;
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y1 = parent.y + cursor.y;
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y2 = parent.y + cursor.y + cursor.height;
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x = x1;
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y = y2;
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available_right = output_box.x + output_box.width - x1;
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available_left = x2 - output_box.x;
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if (available_right < popup_width && available_left > available_right) {
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x = x2 - popup_width;
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}
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available_down = output_box.y + output_box.height - y2;
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available_up = y1 - output_box.y;
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if (available_down < popup_height && available_up > available_down) {
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y = y1 - popup_height;
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}
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popup->x = x;
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popup->y = y;
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// Hide popup if cursor position is completely out of bounds
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x1_in_bounds = (cursor.x >= 0 && cursor.x < parent.width);
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y1_in_bounds = (cursor.y >= 0 && cursor.y < parent.height);
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x2_in_bounds = (cursor.x + cursor.width >= 0
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&& cursor.x + cursor.width < parent.width);
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y2_in_bounds = (cursor.y + cursor.height >= 0
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&& cursor.y + cursor.height < parent.height);
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popup->visible =
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(x1_in_bounds && y1_in_bounds) || (x2_in_bounds && y2_in_bounds);
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if (cursor_rect) {
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struct wlr_box box = {
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.x = x1 - x,
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.y = y1 - y,
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.width = cursor.width,
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.height = cursor.height,
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};
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wlr_input_popup_surface_v2_send_text_input_rectangle(
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popup->popup_surface, &box);
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}
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}
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static void handle_im_popup_map(struct wl_listener *listener, void *data) {
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struct dwl_input_popup *popup =
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wl_container_of(listener, popup, popup_map);
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popup->scene = &wlr_scene_tree_create(layers[LyrFloat])->node;
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popup->scene_surface = wlr_scene_subsurface_tree_create(popup->scene,
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popup->popup_surface->surface);
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popup->scene_surface->data = popup;
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input_popup_update(popup);
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wlr_scene_node_set_position(popup->scene, popup->x, popup->y);
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}
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static void handle_im_popup_unmap(struct wl_listener *listener, void *data) {
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struct dwl_input_popup *popup =
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wl_container_of(listener, popup, popup_unmap);
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input_popup_update(popup);
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wlr_scene_node_destroy(popup->scene);
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}
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static void handle_im_popup_destroy(struct wl_listener *listener, void *data) {
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struct dwl_input_popup *popup =
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wl_container_of(listener, popup, popup_destroy);
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wl_list_remove(&popup->focused_surface_unmap.link);
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wl_list_remove(&popup->popup_surface_commit.link);
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wl_list_remove(&popup->popup_destroy.link);
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wl_list_remove(&popup->popup_unmap.link);
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wl_list_remove(&popup->popup_map.link);
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wl_list_remove(&popup->view_link);
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wl_list_remove(&popup->link);
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free(popup);
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}
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static void handle_im_popup_surface_commit(struct wl_listener *listener,
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void *data) {
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struct dwl_input_popup *popup =
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wl_container_of(listener, popup, popup_surface_commit);
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input_popup_update(popup);
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}
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static void handle_im_focused_surface_destroy(
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struct wl_listener *listener, void *data) {
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struct dwl_input_popup *popup =
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wl_container_of(listener, popup, focused_surface_unmap);
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wl_list_remove(&popup->view_link);
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wl_list_init(&popup->view_link);
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input_popup_update(popup);
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}
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static void input_popup_set_focus(struct dwl_input_popup *popup,
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struct wlr_surface *surface) {
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Client* client;
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struct wlr_layer_surface_v1* layer_surface;
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LayerSurface* layer;
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wl_list_remove(&popup->view_link);
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wl_list_remove(&popup->focused_surface_unmap.link);
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if (wlr_surface_is_layer_surface(surface)) {
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layer_surface = wlr_layer_surface_v1_from_wlr_surface(surface);
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layer = layer_surface_from_wlr_layer_surface_v1(layer_surface);
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wl_list_insert(&input_popups, &popup->view_link);
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wl_signal_add(&layer->layer_surface->events.unmap,
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&popup->focused_surface_unmap);
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input_popup_update(popup);
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return;
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}
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client = client_from_wlr_surface(surface);
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wl_list_insert(&input_popups, &popup->view_link);
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wl_signal_add(&client->surface.xdg->events.unmap,
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&popup->focused_surface_unmap);
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input_popup_update(popup);
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}
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static void handle_im_new_popup_surface(struct wl_listener *listener, void *data) {
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struct dwl_text_input* text_input;
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struct dwl_input_method_relay *relay = wl_container_of(listener, relay,
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input_method_new_popup_surface);
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struct dwl_input_popup *popup = calloc(1, sizeof(*popup));
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popup->relay = relay;
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popup->popup_surface = data;
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popup->popup_surface->data = popup;
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wl_list_init(&popup->view_link);
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wl_signal_add(&popup->popup_surface->events.map, &popup->popup_map);
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popup->popup_map.notify = handle_im_popup_map;
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wl_signal_add(
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&popup->popup_surface->events.unmap, &popup->popup_unmap);
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popup->popup_unmap.notify = handle_im_popup_unmap;
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wl_signal_add(
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&popup->popup_surface->events.destroy, &popup->popup_destroy);
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popup->popup_destroy.notify = handle_im_popup_destroy;
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wl_signal_add(&popup->popup_surface->surface->events.commit,
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&popup->popup_surface_commit);
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popup->popup_surface_commit.notify = handle_im_popup_surface_commit;
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wl_list_init(&popup->focused_surface_unmap.link);
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popup->focused_surface_unmap.notify = handle_im_focused_surface_destroy;
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text_input = relay_get_focused_text_input(relay);
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if (text_input) {
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input_popup_set_focus(popup, text_input->input->focused_surface);
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} else {
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input_popup_set_focus(popup, NULL);
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}
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wl_list_insert(&relay->input_popups, &popup->link);
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}
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static void relay_handle_input_method(struct wl_listener *listener,
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void *data) {
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struct dwl_text_input *text_input;
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@ -2222,6 +2484,9 @@ static void relay_handle_input_method(struct wl_listener *listener,
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wl_signal_add(&relay->input_method->events.commit,
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&relay->input_method_commit);
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relay->input_method_commit.notify = handle_im_commit;
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wl_signal_add(&relay->input_method->events.new_popup_surface,
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&relay->input_method_new_popup_surface);
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relay->input_method_new_popup_surface.notify = handle_im_new_popup_surface;
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wl_signal_add(&relay->input_method->events.destroy,
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&relay->input_method_destroy);
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relay->input_method_destroy.notify = handle_im_destroy;
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@ -2236,6 +2501,7 @@ static void relay_handle_input_method(struct wl_listener *listener,
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void dwl_input_method_relay_init(struct dwl_input_method_relay *relay) {
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wl_list_init(&relay->text_inputs);
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wl_list_init(&relay->input_popups);
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relay->text_input_new.notify = relay_handle_text_input;
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wl_signal_add(&text_input_manager->events.text_input,
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@ -2359,6 +2625,8 @@ setup(void)
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wl_list_init(&clients);
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wl_list_init(&fstack);
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wl_list_init(&input_popups);
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idle = wlr_idle_create(dpy);
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idle_inhibit_mgr = wlr_idle_inhibit_v1_create(dpy);
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