785 lines
17 KiB
C
785 lines
17 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include "../util.h"
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#include "../string2.h"
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#include "../config.h"
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#include "../../perf.h"
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#include "libslang.h"
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#include "ui.h"
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#include "util.h"
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#include <linux/compiler.h>
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include <linux/string.h>
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#include <stdlib.h>
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#include <sys/ttydefaults.h>
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#include "browser.h"
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#include "helpline.h"
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#include "keysyms.h"
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#include "../color.h"
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#include "sane_ctype.h"
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static int ui_browser__percent_color(struct ui_browser *browser,
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double percent, bool current)
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{
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if (current && (!browser->use_navkeypressed || browser->navkeypressed))
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return HE_COLORSET_SELECTED;
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if (percent >= MIN_RED)
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return HE_COLORSET_TOP;
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if (percent >= MIN_GREEN)
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return HE_COLORSET_MEDIUM;
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return HE_COLORSET_NORMAL;
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}
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int ui_browser__set_color(struct ui_browser *browser, int color)
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{
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int ret = browser->current_color;
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browser->current_color = color;
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SLsmg_set_color(color);
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return ret;
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}
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void ui_browser__set_percent_color(struct ui_browser *browser,
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double percent, bool current)
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{
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int color = ui_browser__percent_color(browser, percent, current);
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ui_browser__set_color(browser, color);
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}
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void ui_browser__gotorc(struct ui_browser *browser, int y, int x)
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{
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SLsmg_gotorc(browser->y + y, browser->x + x);
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}
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void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const char *msg,
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unsigned int width)
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{
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slsmg_write_nstring(msg, width);
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}
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void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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slsmg_vprintf(fmt, args);
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va_end(args);
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}
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static struct list_head *
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ui_browser__list_head_filter_entries(struct ui_browser *browser,
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struct list_head *pos)
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{
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do {
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if (!browser->filter || !browser->filter(browser, pos))
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return pos;
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pos = pos->next;
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} while (pos != browser->entries);
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return NULL;
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}
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static struct list_head *
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ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
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struct list_head *pos)
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{
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do {
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if (!browser->filter || !browser->filter(browser, pos))
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return pos;
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pos = pos->prev;
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} while (pos != browser->entries);
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return NULL;
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}
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void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)
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{
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struct list_head *head = browser->entries;
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struct list_head *pos;
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if (browser->nr_entries == 0)
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return;
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switch (whence) {
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case SEEK_SET:
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pos = ui_browser__list_head_filter_entries(browser, head->next);
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break;
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case SEEK_CUR:
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pos = browser->top;
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break;
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case SEEK_END:
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pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);
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break;
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default:
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return;
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}
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assert(pos != NULL);
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if (offset > 0) {
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while (offset-- != 0)
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pos = ui_browser__list_head_filter_entries(browser, pos->next);
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} else {
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while (offset++ != 0)
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pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);
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}
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browser->top = pos;
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}
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void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)
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{
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struct rb_root *root = browser->entries;
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struct rb_node *nd;
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switch (whence) {
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case SEEK_SET:
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nd = rb_first(root);
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break;
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case SEEK_CUR:
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nd = browser->top;
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break;
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case SEEK_END:
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nd = rb_last(root);
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break;
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default:
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return;
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}
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if (offset > 0) {
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while (offset-- != 0)
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nd = rb_next(nd);
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} else {
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while (offset++ != 0)
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nd = rb_prev(nd);
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}
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browser->top = nd;
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}
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unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)
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{
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struct rb_node *nd;
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int row = 0;
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if (browser->top == NULL)
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browser->top = rb_first(browser->entries);
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nd = browser->top;
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while (nd != NULL) {
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ui_browser__gotorc(browser, row, 0);
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browser->write(browser, nd, row);
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if (++row == browser->rows)
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break;
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nd = rb_next(nd);
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}
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return row;
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}
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bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)
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{
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return browser->top_idx + row == browser->index;
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}
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void ui_browser__refresh_dimensions(struct ui_browser *browser)
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{
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browser->width = SLtt_Screen_Cols - 1;
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browser->height = browser->rows = SLtt_Screen_Rows - 2;
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browser->y = 1;
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browser->x = 0;
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}
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void ui_browser__handle_resize(struct ui_browser *browser)
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{
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ui__refresh_dimensions(false);
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ui_browser__show(browser, browser->title, ui_helpline__current);
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ui_browser__refresh(browser);
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}
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int ui_browser__warning(struct ui_browser *browser, int timeout,
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const char *format, ...)
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{
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va_list args;
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char *text;
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int key = 0, err;
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va_start(args, format);
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err = vasprintf(&text, format, args);
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va_end(args);
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if (err < 0) {
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va_start(args, format);
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ui_helpline__vpush(format, args);
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va_end(args);
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} else {
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while ((key = ui__question_window("Warning!", text,
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"Press any key...",
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timeout)) == K_RESIZE)
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ui_browser__handle_resize(browser);
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free(text);
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}
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return key;
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}
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int ui_browser__help_window(struct ui_browser *browser, const char *text)
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{
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int key;
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while ((key = ui__help_window(text)) == K_RESIZE)
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ui_browser__handle_resize(browser);
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return key;
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}
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bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)
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{
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int key;
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while ((key = ui__dialog_yesno(text)) == K_RESIZE)
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ui_browser__handle_resize(browser);
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return key == K_ENTER || toupper(key) == 'Y';
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}
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void ui_browser__reset_index(struct ui_browser *browser)
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{
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browser->index = browser->top_idx = 0;
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browser->seek(browser, 0, SEEK_SET);
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}
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void __ui_browser__show_title(struct ui_browser *browser, const char *title)
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{
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SLsmg_gotorc(0, 0);
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ui_browser__set_color(browser, HE_COLORSET_ROOT);
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ui_browser__write_nstring(browser, title, browser->width + 1);
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}
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void ui_browser__show_title(struct ui_browser *browser, const char *title)
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{
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pthread_mutex_lock(&ui__lock);
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__ui_browser__show_title(browser, title);
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pthread_mutex_unlock(&ui__lock);
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}
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int ui_browser__show(struct ui_browser *browser, const char *title,
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const char *helpline, ...)
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{
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int err;
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va_list ap;
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if (browser->refresh_dimensions == NULL)
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browser->refresh_dimensions = ui_browser__refresh_dimensions;
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browser->refresh_dimensions(browser);
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pthread_mutex_lock(&ui__lock);
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__ui_browser__show_title(browser, title);
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browser->title = title;
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zfree(&browser->helpline);
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va_start(ap, helpline);
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err = vasprintf(&browser->helpline, helpline, ap);
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va_end(ap);
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if (err > 0)
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ui_helpline__push(browser->helpline);
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pthread_mutex_unlock(&ui__lock);
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return err ? 0 : -1;
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}
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void ui_browser__hide(struct ui_browser *browser)
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{
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pthread_mutex_lock(&ui__lock);
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ui_helpline__pop();
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zfree(&browser->helpline);
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pthread_mutex_unlock(&ui__lock);
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}
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static void ui_browser__scrollbar_set(struct ui_browser *browser)
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{
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int height = browser->height, h = 0, pct = 0,
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col = browser->width,
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row = 0;
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if (browser->nr_entries > 1) {
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pct = ((browser->index * (browser->height - 1)) /
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(browser->nr_entries - 1));
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}
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SLsmg_set_char_set(1);
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while (h < height) {
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ui_browser__gotorc(browser, row++, col);
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SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR);
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++h;
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}
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SLsmg_set_char_set(0);
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}
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static int __ui_browser__refresh(struct ui_browser *browser)
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{
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int row;
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int width = browser->width;
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row = browser->refresh(browser);
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ui_browser__set_color(browser, HE_COLORSET_NORMAL);
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if (!browser->use_navkeypressed || browser->navkeypressed)
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ui_browser__scrollbar_set(browser);
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else
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width += 1;
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SLsmg_fill_region(browser->y + row, browser->x,
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browser->height - row, width, ' ');
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return 0;
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}
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int ui_browser__refresh(struct ui_browser *browser)
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{
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pthread_mutex_lock(&ui__lock);
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__ui_browser__refresh(browser);
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pthread_mutex_unlock(&ui__lock);
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return 0;
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}
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/*
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* Here we're updating nr_entries _after_ we started browsing, i.e. we have to
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* forget about any reference to any entry in the underlying data structure,
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* that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
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* after an output_resort and hist decay.
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*/
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void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
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{
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off_t offset = nr_entries - browser->nr_entries;
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browser->nr_entries = nr_entries;
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if (offset < 0) {
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if (browser->top_idx < (u64)-offset)
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offset = -browser->top_idx;
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browser->index += offset;
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browser->top_idx += offset;
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}
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browser->top = NULL;
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browser->seek(browser, browser->top_idx, SEEK_SET);
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}
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int ui_browser__run(struct ui_browser *browser, int delay_secs)
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{
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int err, key;
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while (1) {
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off_t offset;
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pthread_mutex_lock(&ui__lock);
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err = __ui_browser__refresh(browser);
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SLsmg_refresh();
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pthread_mutex_unlock(&ui__lock);
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if (err < 0)
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break;
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key = ui__getch(delay_secs);
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if (key == K_RESIZE) {
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ui__refresh_dimensions(false);
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browser->refresh_dimensions(browser);
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__ui_browser__show_title(browser, browser->title);
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ui_helpline__puts(browser->helpline);
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continue;
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}
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if (browser->use_navkeypressed && !browser->navkeypressed) {
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if (key == K_DOWN || key == K_UP ||
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|
(browser->columns && (key == K_LEFT || key == K_RIGHT)) ||
|
||
|
|
key == K_PGDN || key == K_PGUP ||
|
||
|
|
key == K_HOME || key == K_END ||
|
||
|
|
key == ' ') {
|
||
|
|
browser->navkeypressed = true;
|
||
|
|
continue;
|
||
|
|
} else
|
||
|
|
return key;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (key) {
|
||
|
|
case K_DOWN:
|
||
|
|
if (browser->index == browser->nr_entries - 1)
|
||
|
|
break;
|
||
|
|
++browser->index;
|
||
|
|
if (browser->index == browser->top_idx + browser->rows) {
|
||
|
|
++browser->top_idx;
|
||
|
|
browser->seek(browser, +1, SEEK_CUR);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case K_UP:
|
||
|
|
if (browser->index == 0)
|
||
|
|
break;
|
||
|
|
--browser->index;
|
||
|
|
if (browser->index < browser->top_idx) {
|
||
|
|
--browser->top_idx;
|
||
|
|
browser->seek(browser, -1, SEEK_CUR);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case K_RIGHT:
|
||
|
|
if (!browser->columns)
|
||
|
|
goto out;
|
||
|
|
if (browser->horiz_scroll < browser->columns - 1)
|
||
|
|
++browser->horiz_scroll;
|
||
|
|
break;
|
||
|
|
case K_LEFT:
|
||
|
|
if (!browser->columns)
|
||
|
|
goto out;
|
||
|
|
if (browser->horiz_scroll != 0)
|
||
|
|
--browser->horiz_scroll;
|
||
|
|
break;
|
||
|
|
case K_PGDN:
|
||
|
|
case ' ':
|
||
|
|
if (browser->top_idx + browser->rows > browser->nr_entries - 1)
|
||
|
|
break;
|
||
|
|
|
||
|
|
offset = browser->rows;
|
||
|
|
if (browser->index + offset > browser->nr_entries - 1)
|
||
|
|
offset = browser->nr_entries - 1 - browser->index;
|
||
|
|
browser->index += offset;
|
||
|
|
browser->top_idx += offset;
|
||
|
|
browser->seek(browser, +offset, SEEK_CUR);
|
||
|
|
break;
|
||
|
|
case K_PGUP:
|
||
|
|
if (browser->top_idx == 0)
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (browser->top_idx < browser->rows)
|
||
|
|
offset = browser->top_idx;
|
||
|
|
else
|
||
|
|
offset = browser->rows;
|
||
|
|
|
||
|
|
browser->index -= offset;
|
||
|
|
browser->top_idx -= offset;
|
||
|
|
browser->seek(browser, -offset, SEEK_CUR);
|
||
|
|
break;
|
||
|
|
case K_HOME:
|
||
|
|
ui_browser__reset_index(browser);
|
||
|
|
break;
|
||
|
|
case K_END:
|
||
|
|
offset = browser->rows - 1;
|
||
|
|
if (offset >= browser->nr_entries)
|
||
|
|
offset = browser->nr_entries - 1;
|
||
|
|
|
||
|
|
browser->index = browser->nr_entries - 1;
|
||
|
|
browser->top_idx = browser->index - offset;
|
||
|
|
browser->seek(browser, -offset, SEEK_END);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
out:
|
||
|
|
return key;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
|
||
|
|
{
|
||
|
|
struct list_head *pos;
|
||
|
|
struct list_head *head = browser->entries;
|
||
|
|
int row = 0;
|
||
|
|
|
||
|
|
if (browser->top == NULL || browser->top == browser->entries)
|
||
|
|
browser->top = ui_browser__list_head_filter_entries(browser, head->next);
|
||
|
|
|
||
|
|
pos = browser->top;
|
||
|
|
|
||
|
|
list_for_each_from(pos, head) {
|
||
|
|
if (!browser->filter || !browser->filter(browser, pos)) {
|
||
|
|
ui_browser__gotorc(browser, row, 0);
|
||
|
|
browser->write(browser, pos, row);
|
||
|
|
if (++row == browser->rows)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return row;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct ui_browser_colorset {
|
||
|
|
const char *name, *fg, *bg;
|
||
|
|
int colorset;
|
||
|
|
} ui_browser__colorsets[] = {
|
||
|
|
{
|
||
|
|
.colorset = HE_COLORSET_TOP,
|
||
|
|
.name = "top",
|
||
|
|
.fg = "red",
|
||
|
|
.bg = "default",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.colorset = HE_COLORSET_MEDIUM,
|
||
|
|
.name = "medium",
|
||
|
|
.fg = "green",
|
||
|
|
.bg = "default",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.colorset = HE_COLORSET_NORMAL,
|
||
|
|
.name = "normal",
|
||
|
|
.fg = "default",
|
||
|
|
.bg = "default",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.colorset = HE_COLORSET_SELECTED,
|
||
|
|
.name = "selected",
|
||
|
|
.fg = "black",
|
||
|
|
.bg = "yellow",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.colorset = HE_COLORSET_JUMP_ARROWS,
|
||
|
|
.name = "jump_arrows",
|
||
|
|
.fg = "blue",
|
||
|
|
.bg = "default",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.colorset = HE_COLORSET_ADDR,
|
||
|
|
.name = "addr",
|
||
|
|
.fg = "magenta",
|
||
|
|
.bg = "default",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.colorset = HE_COLORSET_ROOT,
|
||
|
|
.name = "root",
|
||
|
|
.fg = "white",
|
||
|
|
.bg = "blue",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = NULL,
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
static int ui_browser__color_config(const char *var, const char *value,
|
||
|
|
void *data __maybe_unused)
|
||
|
|
{
|
||
|
|
char *fg = NULL, *bg;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
/* same dir for all commands */
|
||
|
|
if (!strstarts(var, "colors.") != 0)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
|
||
|
|
const char *name = var + 7;
|
||
|
|
|
||
|
|
if (strcmp(ui_browser__colorsets[i].name, name) != 0)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
fg = strdup(value);
|
||
|
|
if (fg == NULL)
|
||
|
|
break;
|
||
|
|
|
||
|
|
bg = strchr(fg, ',');
|
||
|
|
if (bg == NULL)
|
||
|
|
break;
|
||
|
|
|
||
|
|
*bg = '\0';
|
||
|
|
bg = ltrim(++bg);
|
||
|
|
ui_browser__colorsets[i].bg = bg;
|
||
|
|
ui_browser__colorsets[i].fg = fg;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
free(fg);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
|
||
|
|
{
|
||
|
|
switch (whence) {
|
||
|
|
case SEEK_SET:
|
||
|
|
browser->top = browser->entries;
|
||
|
|
break;
|
||
|
|
case SEEK_CUR:
|
||
|
|
browser->top = browser->top + browser->top_idx + offset;
|
||
|
|
break;
|
||
|
|
case SEEK_END:
|
||
|
|
browser->top = browser->top + browser->nr_entries - 1 + offset;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
|
||
|
|
{
|
||
|
|
unsigned int row = 0, idx = browser->top_idx;
|
||
|
|
char **pos;
|
||
|
|
|
||
|
|
if (browser->top == NULL)
|
||
|
|
browser->top = browser->entries;
|
||
|
|
|
||
|
|
pos = (char **)browser->top;
|
||
|
|
while (idx < browser->nr_entries) {
|
||
|
|
if (!browser->filter || !browser->filter(browser, *pos)) {
|
||
|
|
ui_browser__gotorc(browser, row, 0);
|
||
|
|
browser->write(browser, pos, row);
|
||
|
|
if (++row == browser->rows)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
++idx;
|
||
|
|
++pos;
|
||
|
|
}
|
||
|
|
|
||
|
|
return row;
|
||
|
|
}
|
||
|
|
|
||
|
|
void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
|
||
|
|
u16 start, u16 end)
|
||
|
|
{
|
||
|
|
SLsmg_set_char_set(1);
|
||
|
|
ui_browser__gotorc(browser, start, column);
|
||
|
|
SLsmg_draw_vline(end - start + 1);
|
||
|
|
SLsmg_set_char_set(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
|
||
|
|
int graph)
|
||
|
|
{
|
||
|
|
SLsmg_set_char_set(1);
|
||
|
|
SLsmg_write_char(graph);
|
||
|
|
SLsmg_set_char_set(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __ui_browser__line_arrow_up(struct ui_browser *browser,
|
||
|
|
unsigned int column,
|
||
|
|
u64 start, u64 end)
|
||
|
|
{
|
||
|
|
unsigned int row, end_row;
|
||
|
|
|
||
|
|
SLsmg_set_char_set(1);
|
||
|
|
|
||
|
|
if (start < browser->top_idx + browser->rows) {
|
||
|
|
row = start - browser->top_idx;
|
||
|
|
ui_browser__gotorc(browser, row, column);
|
||
|
|
SLsmg_write_char(SLSMG_LLCORN_CHAR);
|
||
|
|
ui_browser__gotorc(browser, row, column + 1);
|
||
|
|
SLsmg_draw_hline(2);
|
||
|
|
|
||
|
|
if (row-- == 0)
|
||
|
|
goto out;
|
||
|
|
} else
|
||
|
|
row = browser->rows - 1;
|
||
|
|
|
||
|
|
if (end > browser->top_idx)
|
||
|
|
end_row = end - browser->top_idx;
|
||
|
|
else
|
||
|
|
end_row = 0;
|
||
|
|
|
||
|
|
ui_browser__gotorc(browser, end_row, column);
|
||
|
|
SLsmg_draw_vline(row - end_row + 1);
|
||
|
|
|
||
|
|
ui_browser__gotorc(browser, end_row, column);
|
||
|
|
if (end >= browser->top_idx) {
|
||
|
|
SLsmg_write_char(SLSMG_ULCORN_CHAR);
|
||
|
|
ui_browser__gotorc(browser, end_row, column + 1);
|
||
|
|
SLsmg_write_char(SLSMG_HLINE_CHAR);
|
||
|
|
ui_browser__gotorc(browser, end_row, column + 2);
|
||
|
|
SLsmg_write_char(SLSMG_RARROW_CHAR);
|
||
|
|
}
|
||
|
|
out:
|
||
|
|
SLsmg_set_char_set(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __ui_browser__line_arrow_down(struct ui_browser *browser,
|
||
|
|
unsigned int column,
|
||
|
|
u64 start, u64 end)
|
||
|
|
{
|
||
|
|
unsigned int row, end_row;
|
||
|
|
|
||
|
|
SLsmg_set_char_set(1);
|
||
|
|
|
||
|
|
if (start >= browser->top_idx) {
|
||
|
|
row = start - browser->top_idx;
|
||
|
|
ui_browser__gotorc(browser, row, column);
|
||
|
|
SLsmg_write_char(SLSMG_ULCORN_CHAR);
|
||
|
|
ui_browser__gotorc(browser, row, column + 1);
|
||
|
|
SLsmg_draw_hline(2);
|
||
|
|
|
||
|
|
if (++row == 0)
|
||
|
|
goto out;
|
||
|
|
} else
|
||
|
|
row = 0;
|
||
|
|
|
||
|
|
if (end >= browser->top_idx + browser->rows)
|
||
|
|
end_row = browser->rows - 1;
|
||
|
|
else
|
||
|
|
end_row = end - browser->top_idx;
|
||
|
|
|
||
|
|
ui_browser__gotorc(browser, row, column);
|
||
|
|
SLsmg_draw_vline(end_row - row + 1);
|
||
|
|
|
||
|
|
ui_browser__gotorc(browser, end_row, column);
|
||
|
|
if (end < browser->top_idx + browser->rows) {
|
||
|
|
SLsmg_write_char(SLSMG_LLCORN_CHAR);
|
||
|
|
ui_browser__gotorc(browser, end_row, column + 1);
|
||
|
|
SLsmg_write_char(SLSMG_HLINE_CHAR);
|
||
|
|
ui_browser__gotorc(browser, end_row, column + 2);
|
||
|
|
SLsmg_write_char(SLSMG_RARROW_CHAR);
|
||
|
|
}
|
||
|
|
out:
|
||
|
|
SLsmg_set_char_set(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
|
||
|
|
u64 start, u64 end)
|
||
|
|
{
|
||
|
|
if (start > end)
|
||
|
|
__ui_browser__line_arrow_up(browser, column, start, end);
|
||
|
|
else
|
||
|
|
__ui_browser__line_arrow_down(browser, column, start, end);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ui_browser__mark_fused(struct ui_browser *browser, unsigned int column,
|
||
|
|
unsigned int row, bool arrow_down)
|
||
|
|
{
|
||
|
|
unsigned int end_row;
|
||
|
|
|
||
|
|
if (row >= browser->top_idx)
|
||
|
|
end_row = row - browser->top_idx;
|
||
|
|
else
|
||
|
|
return;
|
||
|
|
|
||
|
|
SLsmg_set_char_set(1);
|
||
|
|
|
||
|
|
if (arrow_down) {
|
||
|
|
ui_browser__gotorc(browser, end_row, column - 1);
|
||
|
|
SLsmg_write_char(SLSMG_ULCORN_CHAR);
|
||
|
|
ui_browser__gotorc(browser, end_row, column);
|
||
|
|
SLsmg_draw_hline(2);
|
||
|
|
ui_browser__gotorc(browser, end_row + 1, column - 1);
|
||
|
|
SLsmg_write_char(SLSMG_LTEE_CHAR);
|
||
|
|
} else {
|
||
|
|
ui_browser__gotorc(browser, end_row, column - 1);
|
||
|
|
SLsmg_write_char(SLSMG_LTEE_CHAR);
|
||
|
|
ui_browser__gotorc(browser, end_row, column);
|
||
|
|
SLsmg_draw_hline(2);
|
||
|
|
}
|
||
|
|
|
||
|
|
SLsmg_set_char_set(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ui_browser__init(void)
|
||
|
|
{
|
||
|
|
int i = 0;
|
||
|
|
|
||
|
|
perf_config(ui_browser__color_config, NULL);
|
||
|
|
|
||
|
|
while (ui_browser__colorsets[i].name) {
|
||
|
|
struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
|
||
|
|
sltt_set_color(c->colorset, c->name, c->fg, c->bg);
|
||
|
|
}
|
||
|
|
|
||
|
|
annotate_browser__init();
|
||
|
|
}
|