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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-05 10:29:37 +00:00
![Jin Yao](/assets/img/avatar_default.png)
For marking fused instructions clearly this patch adds a line before the first instruction of pair and joins it with the arrow of the jump to its target. For example, when "je" is selected in annotate view, the line before cmpl is displayed and joins the arrow of "je". │ ┌──cmpl $0x0,argp_program_version_hook 81.93 │ ├──je 20 │ │ lock cmpxchg %esi,0x38a9a4(%rip) │ │↓ jne 29 │ │↓ jmp 43 11.47 │20:└─→cmpxch %esi,0x38a999(%rip) That means the cmpl+je is a fused instruction pair and they should be considered together. Changelog: v3: Use Arnaldo's fix to improve the arrow origin rendering. To get the evsel->evlist->env->cpuid, save the evsel in annotate_browser. v2: new function "ins__is_fused" to check if the instructions are fused. Signed-off-by: Yao Jin <yao.jin@linux.intel.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1499403995-19857-3-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
782 lines
17 KiB
C
782 lines
17 KiB
C
#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 <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)) ||
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key == K_PGDN || key == K_PGUP ||
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key == K_HOME || key == K_END ||
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key == ' ') {
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browser->navkeypressed = true;
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continue;
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} else
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return key;
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}
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switch (key) {
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case K_DOWN:
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if (browser->index == browser->nr_entries - 1)
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break;
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++browser->index;
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if (browser->index == browser->top_idx + browser->rows) {
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++browser->top_idx;
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browser->seek(browser, +1, SEEK_CUR);
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}
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break;
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case K_UP:
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if (browser->index == 0)
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break;
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--browser->index;
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if (browser->index < browser->top_idx) {
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--browser->top_idx;
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browser->seek(browser, -1, SEEK_CUR);
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}
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break;
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case K_RIGHT:
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if (!browser->columns)
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goto out;
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if (browser->horiz_scroll < browser->columns - 1)
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++browser->horiz_scroll;
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break;
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case K_LEFT:
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if (!browser->columns)
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goto out;
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if (browser->horiz_scroll != 0)
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--browser->horiz_scroll;
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break;
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case K_PGDN:
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case ' ':
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if (browser->top_idx + browser->rows > browser->nr_entries - 1)
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break;
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offset = browser->rows;
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if (browser->index + offset > browser->nr_entries - 1)
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offset = browser->nr_entries - 1 - browser->index;
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browser->index += offset;
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browser->top_idx += offset;
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browser->seek(browser, +offset, SEEK_CUR);
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break;
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case K_PGUP:
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if (browser->top_idx == 0)
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break;
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if (browser->top_idx < browser->rows)
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offset = browser->top_idx;
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else
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offset = browser->rows;
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browser->index -= offset;
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browser->top_idx -= offset;
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browser->seek(browser, -offset, SEEK_CUR);
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break;
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case K_HOME:
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ui_browser__reset_index(browser);
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break;
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case K_END:
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offset = browser->rows - 1;
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if (offset >= browser->nr_entries)
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offset = browser->nr_entries - 1;
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browser->index = browser->nr_entries - 1;
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browser->top_idx = browser->index - offset;
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browser->seek(browser, -offset, SEEK_END);
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break;
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default:
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out:
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return key;
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}
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}
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return -1;
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}
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unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
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{
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struct list_head *pos;
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struct list_head *head = browser->entries;
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int row = 0;
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if (browser->top == NULL || browser->top == browser->entries)
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browser->top = ui_browser__list_head_filter_entries(browser, head->next);
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pos = browser->top;
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list_for_each_from(pos, head) {
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if (!browser->filter || !browser->filter(browser, pos)) {
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ui_browser__gotorc(browser, row, 0);
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browser->write(browser, pos, row);
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if (++row == browser->rows)
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break;
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}
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}
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return row;
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}
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static struct ui_browser_colorset {
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const char *name, *fg, *bg;
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int colorset;
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} ui_browser__colorsets[] = {
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{
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.colorset = HE_COLORSET_TOP,
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.name = "top",
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.fg = "red",
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.bg = "default",
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},
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{
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.colorset = HE_COLORSET_MEDIUM,
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.name = "medium",
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.fg = "green",
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.bg = "default",
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},
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{
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.colorset = HE_COLORSET_NORMAL,
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.name = "normal",
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.fg = "default",
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.bg = "default",
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},
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{
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.colorset = HE_COLORSET_SELECTED,
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.name = "selected",
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.fg = "black",
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.bg = "yellow",
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},
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{
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.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 (prefixcmp(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();
|
|
}
|