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authorDaniel Lezcano <daniel.lezcano@linaro.org>2011-06-21 00:57:08 +0200
committerDaniel Lezcano <daniel.lezcano@linaro.org>2011-06-21 00:57:08 +0200
commit5000abd3e6a93f23fa91345c886d0b70b35dad6f (patch)
treee2ec1eed74b14bf88175c1ef7ac2e63a3a27f2bc
parent372ffbae9733945769b75e7be748dc1358290440 (diff)
downloadpowerdebug-5000abd3e6a93f23fa91345c886d0b70b35dad6f.tar.gz
implement the find callback
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
-rw-r--r--display.c121
1 files changed, 113 insertions, 8 deletions
diff --git a/display.c b/display.c
index be78ce0..12eb052 100644
--- a/display.c
+++ b/display.c
@@ -17,7 +17,8 @@
#include <string.h>
#include <stdlib.h>
#include <ncurses.h>
-#include <form.h>
+#include <sys/types.h>
+#include <regex.h>
#include "powerdebug.h"
#include "mainloop.h"
#include "regulator.h"
@@ -98,11 +99,11 @@ static int display_show_header(int win)
#define footer_label " Q (Quit) R (Refresh) Other Keys: 'Left', " \
"'Right' , 'Up', 'Down', 'enter', , 'Esc'"
-static int display_show_footer(int win)
+static int display_show_footer(int win, char *string)
{
werase(footer_win);
wattron(footer_win, A_REVERSE);
- mvwprintw(footer_win, 0, 0, "%s", footer_label);
+ mvwprintw(footer_win, 0, 0, "%s", string ? string : footer_label);
wattroff(footer_win, A_REVERSE);
wrefresh(footer_win);
@@ -274,12 +275,78 @@ int display_print_line(int win, int line, char *str, int bold, void *data)
static int display_find_keystroke(int fd, void *data);
+struct find_data {
+ size_t len;
+ char *string;
+ regex_t *reg;
+};
+
+struct find_data *display_find_form_init(void)
+{
+ const char *regexp = "^[a-z|0-9|_|-|.]";
+ struct find_data *findd;
+ const size_t len = 64;
+ regex_t *reg;
+ char *search4;
+ int maxx, maxy;
+
+ getmaxyx(stdscr, maxy, maxx);
+
+ reg = malloc(sizeof(*reg));
+ if (!reg)
+ return NULL;
+
+ if (regcomp(reg, regexp, REG_ICASE))
+ goto out_free_reg;
+
+ search4 = malloc(len);
+ if (!search4)
+ goto out_free_regcomp;
+ memset(search4, '\0', len);
+
+ findd = malloc(sizeof(*findd));
+ if (!findd)
+ goto out_free_search4;
+
+ findd->string = search4;
+ findd->reg = reg;
+ findd->len = len;
+out:
+ return findd;
+
+out_free_search4:
+ free(search4);
+out_free_regcomp:
+ regfree(reg);
+out_free_reg:
+ free(reg);
+
+ goto out;
+}
+
+static void display_find_form_fini(struct find_data *fd)
+{
+ regfree(fd->reg);
+ free(fd->string);
+ free(fd);
+ curs_set(0);
+}
+
static int display_switch_to_find(int fd)
{
+ struct find_data *findd;
+
+ findd = display_find_form_init();
+ if (!findd)
+ return -1;
+
if (mainloop_del(fd))
return -1;
- if (mainloop_add(fd, display_find_keystroke, NULL))
+ if (mainloop_add(fd, display_find_keystroke, findd))
+ return -1;
+
+ if (display_show_footer(current_win, "find (esc to exit)?"))
return -1;
return 0;
@@ -342,24 +409,62 @@ static int display_switch_to_main(int fd)
if (mainloop_add(fd, display_keystroke, NULL))
return -1;
- display_refresh(current_win);
+ if (display_show_header(current_win))
+ return -1;
- return 0;
-}
+ if (display_show_footer(current_win, NULL))
+ return -1;
+ return display_refresh(current_win);
+}
static int display_find_keystroke(int fd, void *data)
{
+ struct find_data *findd = data;
+ regex_t *reg = findd->reg;
+ char *string = findd->string;
int keystroke = getch();
+ char match[2] = { [0] = (char)keystroke, [1] = '\0' };
+ regmatch_t m[1];
+
switch (keystroke) {
case '\e':
+ display_find_form_fini(findd);
return display_switch_to_main(fd);
+
+ case KEY_BACKSPACE:
+ if (strlen(string))
+ string[strlen(string) - 1] = '\0';
+ break;
+
+ case KEY_ENTER:
+ /* next patch */
+ break;
+
default:
+
+ /* We don't want invalid characters for a name */
+ if (regexec(reg, match, 1, m, 0))
+ return 0;
+
+ if (strlen(string) < findd->len - 1)
+ string[strlen(string)] = (char)keystroke;
+
break;
}
+ if (display_show_header(current_win))
+ return -1;
+
+ if (display_refresh(current_win))
+ return -1;
+
+ if (display_show_footer(current_win, strlen(string) ? string :
+ "find (esc to exit)?"))
+ return -1;
+
return 0;
}
@@ -423,7 +528,7 @@ int display_init(int wdefault)
if (display_show_header(wdefault))
return -1;
- if (display_show_footer(wdefault))
+ if (display_show_footer(wdefault, NULL))
return -1;
return display_refresh(wdefault);