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authorBenjamin Poirier <bpoirier@suse.de>2013-04-16 10:07:23 -0400
committerYann E. MORIN <yann.morin.1998@free.fr>2013-04-16 22:00:31 +0200
commit9a69abf80edf2ea0dac058cab156879d29362788 (patch)
treeb94e9a202805b4de9afce670e17ba720592d2cc5 /scripts/kconfig/lxdialog
parentedb749f4390b3c1604233dc7c4fb0361f472e712 (diff)
downloadlinux-9a69abf80edf2ea0dac058cab156879d29362788.tar.bz2
menuconfig: Add "breadcrumbs" navigation aid
Displays a trail of the menu entries used to get to the current menu. Signed-off-by: Benjamin Poirier <bpoirier@suse.de> Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr> [yann.morin.1998@free.fr: small, trivial code re-ordering] Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Diffstat (limited to 'scripts/kconfig/lxdialog')
-rw-r--r--scripts/kconfig/lxdialog/dialog.h7
-rw-r--r--scripts/kconfig/lxdialog/util.c45
2 files changed, 50 insertions, 2 deletions
diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index 307022a8beef..1099337079b6 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -106,8 +106,14 @@ struct dialog_color {
int hl; /* highlight this item */
};
+struct subtitle_list {
+ struct subtitle_list *next;
+ const char *text;
+};
+
struct dialog_info {
const char *backtitle;
+ struct subtitle_list *subtitles;
struct dialog_color screen;
struct dialog_color shadow;
struct dialog_color dialog;
@@ -196,6 +202,7 @@ int on_key_resize(void);
int init_dialog(const char *backtitle);
void set_dialog_backtitle(const char *backtitle);
+void set_dialog_subtitles(struct subtitle_list *subtitles);
void end_dialog(int x, int y);
void attr_clear(WINDOW * win, int height, int width, chtype attr);
void dialog_clear(void);
diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c
index 109d53117d22..a0e97c299410 100644
--- a/scripts/kconfig/lxdialog/util.c
+++ b/scripts/kconfig/lxdialog/util.c
@@ -257,12 +257,48 @@ void dialog_clear(void)
attr_clear(stdscr, LINES, COLS, dlg.screen.atr);
/* Display background title if it exists ... - SLH */
if (dlg.backtitle != NULL) {
- int i;
+ int i, len = 0, skip = 0;
+ struct subtitle_list *pos;
wattrset(stdscr, dlg.screen.atr);
mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
+
+ for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
+ /* 3 is for the arrow and spaces */
+ len += strlen(pos->text) + 3;
+ }
+
wmove(stdscr, 1, 1);
- for (i = 1; i < COLS - 1; i++)
+ if (len > COLS - 2) {
+ const char *ellipsis = "[...] ";
+ waddstr(stdscr, ellipsis);
+ skip = len - (COLS - 2 - strlen(ellipsis));
+ }
+
+ for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
+ if (skip == 0)
+ waddch(stdscr, ACS_RARROW);
+ else
+ skip--;
+
+ if (skip == 0)
+ waddch(stdscr, ' ');
+ else
+ skip--;
+
+ if (skip < strlen(pos->text)) {
+ waddstr(stdscr, pos->text + skip);
+ skip = 0;
+ } else
+ skip -= strlen(pos->text);
+
+ if (skip == 0)
+ waddch(stdscr, ' ');
+ else
+ skip--;
+ }
+
+ for (i = len + 1; i < COLS - 1; i++)
waddch(stdscr, ACS_HLINE);
}
wnoutrefresh(stdscr);
@@ -302,6 +338,11 @@ void set_dialog_backtitle(const char *backtitle)
dlg.backtitle = backtitle;
}
+void set_dialog_subtitles(struct subtitle_list *subtitles)
+{
+ dlg.subtitles = subtitles;
+}
+
/*
* End using dialog functions.
*/