menuconfig: Assign jump keys per-page instead of globally
At the moment, keys 1-9 are assigned to the first 9 search results. This patch
makes them assigned to the first 9 results per-page instead. We are much less
likely to run out of keys that way.
Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c
index 3b3c5c4..a48bb93e 100644
--- a/scripts/kconfig/lxdialog/textbox.c
+++ b/scripts/kconfig/lxdialog/textbox.c
@@ -22,23 +22,25 @@
#include "dialog.h"
static void back_lines(int n);
-static void print_page(WINDOW * win, int height, int width);
-static void print_line(WINDOW * win, int row, int width);
+static void print_page(WINDOW *win, int height, int width, update_text_fn
+ update_text, void *data);
+static void print_line(WINDOW *win, int row, int width);
static char *get_line(void);
static void print_position(WINDOW * win);
static int hscroll;
static int begin_reached, end_reached, page_length;
-static const char *buf;
-static const char *page;
+static char *buf;
+static char *page;
/*
* refresh window content
*/
static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw,
- int cur_y, int cur_x)
+ int cur_y, int cur_x, update_text_fn update_text,
+ void *data)
{
- print_page(box, boxh, boxw);
+ print_page(box, boxh, boxw, update_text, data);
print_position(dialog);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
@@ -49,9 +51,11 @@
* Display text from a file in a dialog box.
*
* keys is a null-terminated array
+ * update_text() may not add or remove any '\n' or '\0' in tbuf
*/
-int dialog_textbox(const char *title, const char *tbuf, int initial_height,
- int initial_width, int *keys, int *_vscroll, int *_hscroll)
+int dialog_textbox(const char *title, char *tbuf, int initial_height,
+ int initial_width, int *keys, int *_vscroll, int *_hscroll,
+ update_text_fn update_text, void *data)
{
int i, x, y, cur_x, cur_y, key = 0;
int height, width, boxh, boxw;
@@ -131,7 +135,8 @@
/* Print first page of text */
attr_clear(box, boxh, boxw, dlg.dialog.atr);
- refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x);
+ refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x, update_text,
+ data);
while (!done) {
key = wgetch(dialog);
@@ -150,7 +155,8 @@
begin_reached = 1;
page = buf;
refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
+ cur_y, cur_x, update_text,
+ data);
}
break;
case 'G': /* Last page */
@@ -160,8 +166,8 @@
/* point to last char in buf */
page = buf + strlen(buf);
back_lines(boxh);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
+ refresh_text_box(dialog, box, boxh, boxw, cur_y,
+ cur_x, update_text, data);
break;
case 'K': /* Previous line */
case 'k':
@@ -171,7 +177,7 @@
back_lines(page_length + 1);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
- cur_x);
+ cur_x, update_text, data);
break;
case 'B': /* Previous page */
case 'b':
@@ -180,8 +186,8 @@
if (begin_reached)
break;
back_lines(page_length + boxh);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
+ refresh_text_box(dialog, box, boxh, boxw, cur_y,
+ cur_x, update_text, data);
break;
case 'J': /* Next line */
case 'j':
@@ -191,7 +197,7 @@
back_lines(page_length - 1);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
- cur_x);
+ cur_x, update_text, data);
break;
case KEY_NPAGE: /* Next page */
case ' ':
@@ -200,8 +206,8 @@
break;
begin_reached = 0;
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
+ refresh_text_box(dialog, box, boxh, boxw, cur_y,
+ cur_x, update_text, data);
break;
case '0': /* Beginning of line */
case 'H': /* Scroll left */
@@ -216,8 +222,8 @@
hscroll--;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
+ refresh_text_box(dialog, box, boxh, boxw, cur_y,
+ cur_x, update_text, data);
break;
case 'L': /* Scroll right */
case 'l':
@@ -227,8 +233,8 @@
hscroll++;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
+ refresh_text_box(dialog, box, boxh, boxw, cur_y,
+ cur_x, update_text, data);
break;
case KEY_ESC:
if (on_key_esc(dialog) == KEY_ESC)
@@ -301,12 +307,23 @@
}
/*
- * Print a new page of text. Called by dialog_textbox().
+ * Print a new page of text.
*/
-static void print_page(WINDOW * win, int height, int width)
+static void print_page(WINDOW *win, int height, int width, update_text_fn
+ update_text, void *data)
{
int i, passed_end = 0;
+ if (update_text) {
+ char *end;
+
+ for (i = 0; i < height; i++)
+ get_line();
+ end = page;
+ back_lines(height);
+ update_text(buf, page - buf, end - buf, data);
+ }
+
page_length = 0;
for (i = 0; i < height; i++) {
print_line(win, i, width);
@@ -319,7 +336,7 @@
}
/*
- * Print a new line of text. Called by dialog_textbox() and print_page().
+ * Print a new line of text.
*/
static void print_line(WINDOW * win, int row, int width)
{