mirror of
https://github.com/labwc/labwc.git
synced 2025-11-03 09:01:51 -05:00
osd: factor drawing out of osd_update
This commit is contained in:
bi4k8
Consolatis
parent
8032769197
commit
4f0b72c341
1 changed files with 159 additions and 149 deletions
308
src/osd.c
308
src/osd.c
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@ -223,6 +223,156 @@ preview_cycled_view(struct view *view)
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wlr_scene_node_raise_to_top(osd_state->preview_node);
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}
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static void
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render_osd(cairo_t *cairo, int w, int h, struct wl_list *node_list,
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struct view *cycle_view, struct theme *theme, bool show_workspace,
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const char *workspace_name)
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{
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struct wlr_scene_node *node;
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cairo_surface_t *surf = cairo_get_target(cairo);
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/* Draw background */
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set_cairo_color(cairo, theme->osd_bg_color);
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cairo_rectangle(cairo, 0, 0, w, h);
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cairo_fill(cairo);
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/* Draw border */
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set_cairo_color(cairo, theme->osd_border_color);
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draw_cairo_border(cairo, w, h, theme->osd_border_width);
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/* Set up text rendering */
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set_cairo_color(cairo, theme->osd_label_text_color);
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PangoLayout *layout = pango_cairo_create_layout(cairo);
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pango_layout_set_width(layout,
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(OSD_ITEM_WIDTH - 2 * OSD_ITEM_PADDING) * PANGO_SCALE);
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pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
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PangoFontDescription *desc = font_to_pango_desc(&rc.font_osd);
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pango_layout_set_font_description(layout, desc);
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PangoTabArray *tabs = pango_tab_array_new_with_positions(2, TRUE,
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PANGO_TAB_LEFT, OSD_TAB1, PANGO_TAB_LEFT, OSD_TAB2);
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pango_layout_set_tabs(layout, tabs);
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pango_tab_array_free(tabs);
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pango_cairo_update_layout(cairo, layout);
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int y = OSD_BORDER_WIDTH;
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/* Center text entries on the y axis */
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int y_offset = (OSD_ITEM_HEIGHT - font_height(&rc.font_osd)) / 2;
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y += y_offset;
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/* Draw workspace indicator */
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if (show_workspace) {
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/* Center workspace indicator on the x axis */
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int x = font_width(&rc.font_osd, workspace_name);
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x = (OSD_ITEM_WIDTH - x) / 2;
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cairo_move_to(cairo, x, y);
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PangoWeight weight = pango_font_description_get_weight(desc);
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pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
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pango_layout_set_font_description(layout, desc);
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pango_layout_set_text(layout, workspace_name, -1);
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pango_cairo_show_layout(cairo, layout);
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pango_font_description_set_weight(desc, weight);
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pango_layout_set_font_description(layout, desc);
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y += OSD_ITEM_HEIGHT;
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}
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pango_font_description_free(desc);
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struct buf buf;
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buf_init(&buf);
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/* Draw text for each node */
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wl_list_for_each_reverse(node, node_list, link) {
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struct view *view = node_view_from_node(node);
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if (!isfocusable(view)) {
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continue;
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}
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buf.len = 0;
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cairo_move_to(cairo, OSD_BORDER_WIDTH + OSD_ITEM_PADDING, y);
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switch (view->type) {
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case LAB_XDG_SHELL_VIEW:
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buf_add(&buf, "[xdg-shell]\t");
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buf_add(&buf, get_formatted_app_id(view));
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buf_add(&buf, "\t");
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break;
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#if HAVE_XWAYLAND
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case LAB_XWAYLAND_VIEW:
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buf_add(&buf, "[xwayland]\t");
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buf_add(&buf, view_get_string_prop(view, "class"));
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buf_add(&buf, "\t");
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break;
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#endif
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}
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if (is_title_different(view)) {
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buf_add(&buf, view_get_string_prop(view, "title"));
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}
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pango_layout_set_text(layout, buf.buf, -1);
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pango_cairo_show_layout(cairo, layout);
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if (view == cycle_view) {
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/* Highlight current window */
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cairo_rectangle(cairo, OSD_BORDER_WIDTH, y - y_offset,
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OSD_ITEM_WIDTH, OSD_ITEM_HEIGHT);
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cairo_stroke(cairo);
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}
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y += OSD_ITEM_HEIGHT;
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}
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free(buf.buf);
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g_object_unref(layout);
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cairo_surface_flush(surf);
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}
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static void
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display_osd(struct output *output)
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{
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struct server *server = output->server;
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struct wl_list *node_list =
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&server->workspace_current->tree->children;
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bool show_workspace = wl_list_length(&rc.workspace_config.workspaces) > 1;
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const char *workspace_name = server->workspace_current->name;
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float scale = output->wlr_output->scale;
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int w = OSD_ITEM_WIDTH + (2 * OSD_BORDER_WIDTH);
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int h = get_osd_height(node_list);
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if (show_workspace) {
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/* workspace indicator */
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h += OSD_ITEM_HEIGHT;
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}
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/* Reset buffer */
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if (output->osd_buffer) {
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wlr_buffer_drop(&output->osd_buffer->base);
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}
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output->osd_buffer = buffer_create_cairo(w, h, scale, true);
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/* Render OSD image */
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cairo_t *cairo = output->osd_buffer->cairo;
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render_osd(cairo, w, h, node_list, server->osd_state.cycle_view,
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server->theme, show_workspace, workspace_name);
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struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_create(
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output->osd_tree, &output->osd_buffer->base);
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wlr_scene_buffer_set_dest_size(scene_buffer, w, h);
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/* Center OSD */
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struct wlr_box output_box;
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wlr_output_layout_get_box(output->server->output_layout,
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output->wlr_output, &output_box);
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int lx = output->usable_area.x + output->usable_area.width / 2
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- w / 2 + output_box.x;
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int ly = output->usable_area.y + output->usable_area.height / 2
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- h / 2 + output_box.y;
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wlr_scene_node_set_position(&scene_buffer->node, lx, ly);
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wlr_scene_node_set_enabled(&output->osd_tree->node, true);
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}
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void
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osd_update(struct server *server)
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{
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@ -234,162 +384,22 @@ osd_update(struct server *server)
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return;
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}
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struct theme *theme = server->theme;
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bool show_workspace = wl_list_length(&rc.workspace_config.workspaces) > 1;
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struct buf buf;
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buf_init(&buf);
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struct view *view;
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/* Display the actual OSD */
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struct output *output;
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struct wlr_scene_node *node;
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wl_list_for_each(output, &server->outputs, link) {
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destroy_osd_nodes(output);
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if (!output->wlr_output->enabled) {
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continue;
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}
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float scale = output->wlr_output->scale;
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int w = OSD_ITEM_WIDTH + (2 * OSD_BORDER_WIDTH);
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int h = get_osd_height(node_list);
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if (show_workspace) {
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/* workspace indicator */
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h += OSD_ITEM_HEIGHT;
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}
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if (output->osd_buffer) {
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wlr_buffer_drop(&output->osd_buffer->base);
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}
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output->osd_buffer = buffer_create_cairo(w, h, scale, true);
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cairo_t *cairo = output->osd_buffer->cairo;
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cairo_surface_t *surf = cairo_get_target(cairo);
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/* background */
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set_cairo_color(cairo, theme->osd_bg_color);
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cairo_rectangle(cairo, 0, 0, w, h);
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cairo_fill(cairo);
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/* Border */
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set_cairo_color(cairo, theme->osd_border_color);
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draw_cairo_border(cairo, w, h, theme->osd_border_width);
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int y = OSD_BORDER_WIDTH;
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if (show_workspace) {
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/* workspace indicator */
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y += OSD_ITEM_HEIGHT;
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}
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/* highlight current window */
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wl_list_for_each_reverse(node, node_list, link) {
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view = node_view_from_node(node);
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if (!isfocusable(view)) {
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continue;
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}
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if (view == server->osd_state.cycle_view) {
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set_cairo_color(cairo, theme->osd_label_text_color);
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cairo_rectangle(cairo, OSD_BORDER_WIDTH, y,
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OSD_ITEM_WIDTH, OSD_ITEM_HEIGHT);
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cairo_stroke(cairo);
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if (rc.cycle_preview_outlines) {
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osd_update_preview_outlines(view);
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}
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break;
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}
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y += OSD_ITEM_HEIGHT;
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}
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/* text */
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set_cairo_color(cairo, theme->osd_label_text_color);
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PangoLayout *layout = pango_cairo_create_layout(cairo);
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pango_layout_set_width(layout,
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(OSD_ITEM_WIDTH - 2 * OSD_ITEM_PADDING) * PANGO_SCALE);
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pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
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PangoFontDescription *desc = font_to_pango_desc(&rc.font_osd);
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pango_layout_set_font_description(layout, desc);
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PangoTabArray *tabs = pango_tab_array_new_with_positions(2, TRUE,
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PANGO_TAB_LEFT, OSD_TAB1, PANGO_TAB_LEFT, OSD_TAB2);
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pango_layout_set_tabs(layout, tabs);
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pango_tab_array_free(tabs);
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pango_cairo_update_layout(cairo, layout);
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y = OSD_BORDER_WIDTH;
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/* Center text entries on the y axis */
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int y_offset = (OSD_ITEM_HEIGHT - font_height(&rc.font_osd)) / 2;
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y += y_offset;
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if (show_workspace) {
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/* Center workspace indicator on the x axis */
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int x = font_width(&rc.font_osd, server->workspace_current->name);
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x = (OSD_ITEM_WIDTH - x) / 2;
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cairo_move_to(cairo, x, y);
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PangoWeight weight = pango_font_description_get_weight(desc);
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pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
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pango_layout_set_font_description(layout, desc);
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pango_layout_set_text(layout,
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server->workspace_current->name, -1);
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pango_cairo_show_layout(cairo, layout);
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pango_font_description_set_weight(desc, weight);
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pango_layout_set_font_description(layout, desc);
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y += OSD_ITEM_HEIGHT;
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}
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pango_font_description_free(desc);
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wl_list_for_each_reverse(node, node_list, link) {
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view = node_view_from_node(node);
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if (!isfocusable(view)) {
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continue;
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}
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buf.len = 0;
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cairo_move_to(cairo, OSD_BORDER_WIDTH + OSD_ITEM_PADDING, y);
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switch (view->type) {
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case LAB_XDG_SHELL_VIEW:
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buf_add(&buf, "[xdg-shell]\t");
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buf_add(&buf, get_formatted_app_id(view));
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buf_add(&buf, "\t");
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break;
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#if HAVE_XWAYLAND
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case LAB_XWAYLAND_VIEW:
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buf_add(&buf, "[xwayland]\t");
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buf_add(&buf, view_get_string_prop(view, "class"));
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buf_add(&buf, "\t");
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break;
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#endif
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}
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if (is_title_different(view)) {
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buf_add(&buf, view_get_string_prop(view, "title"));
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}
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pango_layout_set_text(layout, buf.buf, -1);
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pango_cairo_show_layout(cairo, layout);
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y += OSD_ITEM_HEIGHT;
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}
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g_object_unref(layout);
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cairo_surface_flush(surf);
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struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_create(
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output->osd_tree, &output->osd_buffer->base);
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wlr_scene_buffer_set_dest_size(scene_buffer, w, h);
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/* Center OSD */
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struct wlr_box output_box;
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wlr_output_layout_get_box(output->server->output_layout,
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output->wlr_output, &output_box);
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int lx = output->usable_area.x + output->usable_area.width / 2
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- w / 2 + output_box.x;
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int ly = output->usable_area.y + output->usable_area.height / 2
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- h / 2 + output_box.y;
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wlr_scene_node_set_position(&scene_buffer->node, lx, ly);
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wlr_scene_node_set_enabled(&output->osd_tree->node, true);
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display_osd(output);
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}
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/* Outline current window */
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if (rc.cycle_preview_outlines) {
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if (isfocusable(server->osd_state.cycle_view)) {
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osd_update_preview_outlines(server->osd_state.cycle_view);
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}
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}
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free(buf.buf);
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if (rc.cycle_preview_contents) {
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preview_cycled_view(server->osd_state.cycle_view);
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