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Commit 537ddae7 authored by Benjamin Poirier's avatar Benjamin Poirier Committed by Michal Marek
Browse files

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: default avatarBenjamin Poirier <bpoirier@suse.de>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent b9d29abd

scripts/kconfig/lxdialog/dialog.h

+2 −1
Original line number Diff line number Diff line
@@ -210,7 +210,8 @@ 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,

scripts/kconfig/lxdialog/textbox.c

+21 −10
Original line number Diff line number Diff line
@@ -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 @@ int dialog_textbox(const char *title, const char *tbuf, 
	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 @@ int dialog_textbox(const char *title, const char *tbuf, 
		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 @@ int dialog_textbox(const char *title, const char *tbuf, 
		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 @@ int dialog_textbox(const char *title, const char *tbuf, 
				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 @@ int dialog_textbox(const char *title, const char *tbuf, 
					 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 @@ int dialog_textbox(const char *title, const char *tbuf, 
			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;

}



/*

scripts/kconfig/mconf.c

+10 −2
Original line number Diff line number Diff line
@@ -279,6 +279,8 @@ 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);
@@ -618,10 +620,16 @@ 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)