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https://github.com/rkd77/elinks.git
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83a296234a
To test: Build with terminfo support and run elinks for example as: TERM=xterm-direct elinks --terminfo 1
115 lines
2.4 KiB
C
115 lines
2.4 KiB
C
/** BFU style/color cache
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* @file */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "elinks.h"
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#include "bfu/style.h"
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#include "config/options.h"
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#include "terminal/color.h"
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#include "terminal/draw.h"
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#include "terminal/terminal.h"
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#include "util/color.h"
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#include "util/hash.h"
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struct bfu_color_entry {
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/* Pointers to the options tree values. */
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color_T *background;
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color_T *foreground;
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/* The copy of "text" and "background" colors. */
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struct color_pair colors;
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};
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static struct hash *bfu_colors = NULL;
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struct color_pair *
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get_bfu_color(struct terminal *term, const char *stylename)
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{
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static color_mode_T last_color_mode;
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struct bfu_color_entry *entry;
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int stylenamelen;
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struct hash_item *item;
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color_mode_T color_mode;
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if (!term) return NULL;
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color_mode = get_color_mode(term->spec);
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if (!bfu_colors) {
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/* Initialize the style hash. */
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bfu_colors = init_hash8();
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if (!bfu_colors) return NULL;
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last_color_mode = color_mode;
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} else if (color_mode != last_color_mode) {
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int i;
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/* Change mode by emptying the cache so mono/color colors
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* aren't mixed. */
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foreach_hash_item (item, *bfu_colors, i) {
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mem_free_if(item->value);
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item = item->prev;
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del_hash_item(bfu_colors, item->next);
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}
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last_color_mode = color_mode;
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}
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stylenamelen = strlen(stylename);
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item = get_hash_item(bfu_colors, stylename, stylenamelen);
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entry = (struct bfu_color_entry *)(item ? item->value : NULL);
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if (!entry) {
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struct option *opt;
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/* Construct the color entry. */
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opt = get_opt_rec_real(config_options,
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color_mode != COLOR_MODE_MONO
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? "ui.colors.color" : "ui.colors.mono");
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if (!opt) return NULL;
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opt = get_opt_rec_real(opt, stylename);
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if (!opt) return NULL;
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entry = (struct bfu_color_entry *)mem_calloc(1, sizeof(*entry));
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if (!entry) return NULL;
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item = add_hash_item(bfu_colors, stylename, stylenamelen, entry);
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if (!item) {
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mem_free(entry);
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return NULL;
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}
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entry->foreground = &get_opt_color_tree(opt, "text", NULL);
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entry->background = &get_opt_color_tree(opt, "background", NULL);
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}
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/* Always update the color pair. */
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entry->colors.background = *entry->background;
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entry->colors.foreground = *entry->foreground;
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return &entry->colors;
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}
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void
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done_bfu_colors(void)
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{
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struct hash_item *item;
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int i;
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if (!bfu_colors)
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return;
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foreach_hash_item (item, *bfu_colors, i) {
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mem_free_if(item->value);
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}
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free_hash(&bfu_colors);
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};
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