osd: factor drawing out of osd_update

This commit is contained in:
bi4k8 2022-12-12 00:50:57 +00:00 committed by Consolatis
parent 8032769197
commit 4f0b72c341

308
src/osd.c
View file

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