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Commit 95ac9b3b authored by Benjamin Poirier's avatar Benjamin Poirier Committed by Michal Marek
Browse files

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: default avatarBenjamin Poirier <bpoirier@suse.de>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 1a374ae6

scripts/kconfig/expr.h

+9 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ extern "C" { 


#include <assert.h>

#include <stdio.h>

#include <sys/queue.h>

#ifndef __cplusplus

#include <stdbool.h>

#endif
@@ -173,6 +174,14 @@ struct menu { 
#define MENU_CHANGED		0x0001

#define MENU_ROOT		0x0002



struct jump_key {

	CIRCLEQ_ENTRY(jump_key) entries;

	size_t offset;

	struct menu *target;

	int index;

};

CIRCLEQ_HEAD(jk_head, jump_key);



#define JUMP_NB			9



extern struct file *file_list;

scripts/kconfig/lkc_proto.h

+4 −4
Original line number Diff line number Diff line
@@ -21,10 +21,10 @@ P(menu_get_root_menu,struct menu *,(struct menu *menu)); 
P(menu_get_parent_menu,struct menu *,(struct menu *menu));

P(menu_has_help,bool,(struct menu *menu));

P(menu_get_help,const char *,(struct menu *menu));

P(get_symbol_str, int, (struct gstr *r, struct symbol *sym, struct menu

			**jumps, int jump_nb));

P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct menu

				   **jumps));

P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct jk_head

			 *head));

P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct jk_head

				   *head));

P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));



/* symbol.c */

scripts/kconfig/lxdialog/dialog.h

+7 −2
Original line number Diff line number Diff line
@@ -210,8 +210,13 @@ 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 *keys, int *_vscroll, int *_hscroll);





typedef void (*update_text_fn)(char *buf, size_t start, size_t end, void

			       *_data);

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 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

+42 −25
Original line number Diff line number Diff line
@@ -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_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 @@ 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

 * 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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 


	/* 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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 
				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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 
			/* 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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 


			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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 
			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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 


			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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 
				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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 
				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 @@ int dialog_textbox(const char *title, const char *tbuf, int initial_height, 
			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 @@ static void back_lines(int n) 
}



/*

 * 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 @@ static void print_page(WINDOW * win, int height, int width) 
}



/*

 * 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)

{

scripts/kconfig/mconf.c

+59 −16
Original line number Diff line number Diff line
@@ -286,8 +286,9 @@ 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, int *vscroll, int *hscroll);

static int show_textbox_ext(const char *title, char *text, int r, int c,

			    int *keys, int *vscroll, int *hscroll,

			    update_text_fn update_text, void *data);

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);
@@ -310,6 +311,39 @@ static void set_config_filename(const char *config_filename) 
}





struct search_data {

	struct jk_head *head;

	struct menu **targets;

	int *keys;

};



static void update_text(char *buf, size_t start, size_t end, void *_data)

{

	struct search_data *data = _data;

	struct jump_key *pos;

	int k = 0;



	CIRCLEQ_FOREACH(pos, data->head, entries) {

		if (pos->offset >= start && pos->offset < end) {

			char header[4];



			if (k < JUMP_NB) {

				int key = '0' + (pos->index % JUMP_NB) + 1;



				sprintf(header, "(%c)", key);

				data->keys[k] = key;

				data->targets[k] = pos->target;

				k++;

			} else {

				sprintf(header, "   ");

			}



			memcpy(buf + pos->offset, header, sizeof(header) - 1);

		}

	}

	data->keys[k] = 0;

}



static void search_conf(void)

{

	struct symbol **sym_arr;
@@ -341,18 +375,24 @@ static void search_conf(void) 


	sym_arr = sym_re_search(dialog_input);

	do {

		struct menu *jumps[JUMP_NB] = {0};

		int keys[JUMP_NB + 1] = {0}, i;



		res = get_relations_str(sym_arr, jumps);

		for (i = 0; i < JUMP_NB && jumps[i]; i++)

			keys[i] = '1' + i;

		dres = show_textbox_ext(_("Search Results"), str_get(&res), 0,

					0, keys, &vscroll, &hscroll);

		struct jk_head head = CIRCLEQ_HEAD_INITIALIZER(head);

		struct menu *targets[JUMP_NB];

		int keys[JUMP_NB + 1], i;

		struct search_data data = {

			.head = &head,

			.targets = targets,

			.keys = keys,

		};



		res = get_relations_str(sym_arr, &head);

		dres = show_textbox_ext(_("Search Results"), (char *)

					str_get(&res), 0, 0, keys, &vscroll,

					&hscroll, &update_text, (void *)

					&data);

		again = false;

		for (i = 0; i < JUMP_NB && jumps[i]; i++)

		for (i = 0; i < JUMP_NB && keys[i]; i++)

			if (dres == keys[i]) {

				conf(jumps[i]->parent, jumps[i]);

				conf(targets[i]->parent, targets[i]);

				again = true;

			}

		str_free(&res);
@@ -642,16 +682,19 @@ static void conf(struct menu *menu, struct menu *active_menu) 
	}

}



static int show_textbox_ext(const char *title, const char *text, int r, int c,

			    int *keys, int *vscroll, int *hscroll)

static int show_textbox_ext(const char *title, char *text, int r, int c, int

			    *keys, int *vscroll, int *hscroll, update_text_fn

			    update_text, void *data)

{

	dialog_clear();

	return dialog_textbox(title, text, r, c, keys, vscroll, hscroll);

	return dialog_textbox(title, text, r, c, keys, vscroll, hscroll,

			      update_text, data);

}



static void show_textbox(const char *title, const char *text, int r, int c)

{

	show_textbox_ext(title, text, r, c, (int []) {0}, NULL, NULL);

	show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL,

			 NULL, NULL);

}



static void show_helptext(const char *title, const char *text)