Implement show_marks

1 files changed, 78 insertions, 0 deletions

diff --git a/sway/tree/view.c b/sway/tree/view.c
index 833345c5..e26159d2 100644
--- a/sway/tree/view.c
+++ b/sway/tree/view.c
@@ -746,6 +746,7 @@ bool view_find_and_unmark(char *mark) {
                 if (strcmp(view_mark, mark) == 0) {
                         free(view_mark);
                         list_del(view->marks, i);
+                        view_update_marks_textures(view);
                         return true;
                 }
         }
@@ -769,3 +770,80 @@ bool view_has_mark(struct sway_view *view, char *mark) {
         }
         return false;
 }
+
+static void update_marks_texture(struct sway_view *view,
+                struct wlr_texture **texture, struct border_colors *class) {
+        struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
+        if (!output) {
+                return;
+        }
+        if (*texture) {
+                wlr_texture_destroy(*texture);
+        }
+        if (!view->marks->length) {
+                return;
+        }
+
+        size_t len = 0;
+        for (int i = 0; i < view->marks->length; ++i) {
+                len += strlen((char *)view->marks->items[i]) + 2;
+        }
+        char *buffer = calloc(len + 1, 1);
+        char *part = malloc(len + 1);
+
+        for (int i = 0; i < view->marks->length; ++i) {
+                char *mark = view->marks->items[i];
+                sprintf(part, "[%s]", mark);
+                strcat(buffer, part);
+        }
+        free(part);
+
+        double scale = output->sway_output->wlr_output->scale;
+        int width = 0;
+        int height = config->font_height * scale;
+
+        cairo_t *c = cairo_create(NULL);
+        get_text_size(c, config->font, &width, NULL, scale, false, "%s", buffer);
+        cairo_destroy(c);
+
+        cairo_surface_t *surface = cairo_image_surface_create(
+                        CAIRO_FORMAT_ARGB32, width, height);
+        cairo_t *cairo = cairo_create(surface);
+        cairo_set_source_rgba(cairo, class->background[0], class->background[1],
+                        class->background[2], class->background[3]);
+        cairo_paint(cairo);
+        PangoContext *pango = pango_cairo_create_context(cairo);
+        cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
+        cairo_set_source_rgba(cairo, class->text[0], class->text[1],
+                        class->text[2], class->text[3]);
+        cairo_move_to(cairo, 0, 0);
+
+        pango_printf(cairo, config->font, scale, false, "%s", buffer);
+
+        cairo_surface_flush(surface);
+        unsigned char *data = cairo_image_surface_get_data(surface);
+        int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
+        struct wlr_renderer *renderer = wlr_backend_get_renderer(
+                        output->sway_output->wlr_output->backend);
+        *texture = wlr_texture_from_pixels(
+                        renderer, WL_SHM_FORMAT_ARGB8888, stride, width, height, data);
+        cairo_surface_destroy(surface);
+        g_object_unref(pango);
+        cairo_destroy(cairo);
+        free(buffer);
+}
+
+void view_update_marks_textures(struct sway_view *view) {
+        if (!config->show_marks) {
+                return;
+        }
+        update_marks_texture(view, &view->marks_focused,
+                        &config->border_colors.focused);
+        update_marks_texture(view, &view->marks_focused_inactive,
+                        &config->border_colors.focused_inactive);
+        update_marks_texture(view, &view->marks_unfocused,
+                        &config->border_colors.unfocused);
+        update_marks_texture(view, &view->marks_urgent,
+                        &config->border_colors.urgent);
+        container_damage_whole(view->swayc);
+}