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Date: Thu, 23 Aug 2012 14:55:04 -0400
From: Benjamin Poirier <bpoirier@...e.de>
To: Michal Marek <mmarek@...e.cz>
Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
Randy Dunlap <rdunlap@...otime.net>,
Borislav Petkov <bp@...en8.de>,
"Yann E. MORIN" <yann.morin.1998@...e.fr>,
Jean Sacren <sakiwit@...il.com>,
Arnaud Lacombe <lacombar@...il.com>,
Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
Davidlohr Bueso <dave@....org>,
Wang YanQing <udknight@...il.com>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
Cheng Renquan <crquan@...il.com>
Subject: [PATCH v2 2/6] menuconfig: Extend dialog_textbox so that it can exit on arbitrary keypresses
The caller will be able to perform actions based on hotkeys in the displayed
text.
Signed-off-by: Benjamin Poirier <bpoirier@...e.de>
---
scripts/kconfig/lxdialog/dialog.h | 3 ++-
scripts/kconfig/lxdialog/textbox.c | 31 +++++++++++++++++++++----------
scripts/kconfig/mconf.c | 12 ++++++++++--
3 files changed, 33 insertions(+), 13 deletions(-)
diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index b5211fc..014c029 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -209,7 +209,8 @@ int first_alpha(const char *string, const char *exempt);
int dialog_yesno(const char *title, const char *prompt, int height, int width);
int dialog_msgbox(const char *title, const char *prompt, int height,
int width, int pause);
-int dialog_textbox(const char *title, const char *file, int height, int width);
+int dialog_textbox(const char *title, const char *file, int height, int width,
+ int *keys);
int dialog_menu(const char *title, const char *prompt,
const void *selected, int *s_scroll);
int dialog_checklist(const char *title, const char *prompt, int height,
diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c
index 264a2b9..eb4ee92 100644
--- a/scripts/kconfig/lxdialog/textbox.c
+++ b/scripts/kconfig/lxdialog/textbox.c
@@ -47,14 +47,16 @@ static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw,
/*
* Display text from a file in a dialog box.
+ *
+ * keys is a null-terminated array
*/
-int dialog_textbox(const char *title, const char *tbuf,
- int initial_height, int initial_width)
+int dialog_textbox(const char *title, const char *tbuf, int initial_height,
+ int initial_width, int *keys)
{
int i, x, y, cur_x, cur_y, key = 0;
int height, width, boxh, boxw;
- int passed_end;
WINDOW *dialog, *box;
+ bool done = false;
begin_reached = 1;
end_reached = 0;
@@ -122,7 +124,7 @@ do_resize:
attr_clear(box, boxh, boxw, dlg.dialog.atr);
refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x);
- while ((key != KEY_ESC) && (key != '\n')) {
+ while (!done) {
key = wgetch(dialog);
switch (key) {
case 'E': /* Exit */
@@ -130,9 +132,9 @@ do_resize:
case 'X':
case 'x':
case 'q':
- delwin(box);
- delwin(dialog);
- return 0;
+ case '\n':
+ done = true;
+ break;
case 'g': /* First page */
case KEY_HOME:
if (!begin_reached) {
@@ -156,6 +158,8 @@ do_resize:
case 'k':
case KEY_UP:
if (!begin_reached) {
+ int passed_end = 0;
+
back_lines(page_length + 1);
/* We don't call print_page() here but use
@@ -169,7 +173,6 @@ do_resize:
wscrl(box, -1); /* Scroll box region down one line */
scrollok(box, FALSE);
page_length = 0;
- passed_end = 0;
for (i = 0; i < boxh; i++) {
if (!i) {
/* print first line of page */
@@ -252,7 +255,8 @@ do_resize:
cur_y, cur_x);
break;
case KEY_ESC:
- key = on_key_esc(dialog);
+ if (on_key_esc(dialog) == KEY_ESC)
+ done = true;
break;
case KEY_RESIZE:
back_lines(height);
@@ -260,11 +264,18 @@ do_resize:
delwin(dialog);
on_key_resize();
goto do_resize;
+ default:
+ for (i = 0; keys[i]; i++) {
+ if (key == keys[i]) {
+ done = true;
+ break;
+ }
+ }
}
}
delwin(box);
delwin(dialog);
- return key; /* ESC pressed */
+ return key;
}
/*
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f584a28..116e5da 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -280,6 +280,8 @@ static void conf_choice(struct menu *menu);
static void conf_string(struct menu *menu);
static void conf_load(void);
static void conf_save(void);
+static int show_textbox_ext(const char *title, const char *text, int r, int c,
+ int *keys);
static void show_textbox(const char *title, const char *text, int r, int c);
static void show_helptext(const char *title, const char *text);
static void show_help(struct menu *menu);
@@ -619,10 +621,16 @@ static void conf(struct menu *menu)
}
}
-static void show_textbox(const char *title, const char *text, int r, int c)
+static int show_textbox_ext(const char *title, const char *text, int r, int c,
+ int *keys)
{
dialog_clear();
- dialog_textbox(title, text, r, c);
+ return dialog_textbox(title, text, r, c, keys);
+}
+
+static void show_textbox(const char *title, const char *text, int r, int c)
+{
+ show_textbox_ext(title, text, r, c, (int []) {0});
}
static void show_helptext(const char *title, const char *text)
--
1.7.7
--
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