build: add new menuconfig code based on linux 3.9

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36361 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Felix Fietkau
2013-04-18 12:05:16 +00:00
parent 6a47391ec7
commit e1c27ce985
35 changed files with 5827 additions and 3897 deletions

View File

@@ -1,28 +0,0 @@
# Makefile to build lxdialog package
#
all: lxdialog
# Use reursively expanded variables so we do not call gcc unless
# we really need to do so. (Do not call gcc as part of make mrproper)
CFLAGS := $(shell sh check-lxdialog.sh -ccflags)
LIBS := $(shell sh check-lxdialog.sh -ldflags gcc)
# workaround for OpenBSD, which does not use symlinks to libncurses.so
OS := $(shell uname -s)
ifeq ($(strip $(OS)),OpenBSD)
LIBS := -lncurses
endif
ifeq ($(shell uname -o),Cygwin)
LIBS := -lncurses
endif
always := $(hostprogs-y) dochecklxdialog
%.o: %.c
$(CC) -c $(CFLAGS) -o $@ $<
lxdialog: checklist.o menubox.o textbox.o yesno.o inputbox.o util.o lxdialog.o msgbox.o
$(CC) -o $@ $^ $(LIBS)
clean:
rm -f *.o lxdialog

View File

@@ -1,24 +1,14 @@
#!/usr/bin/env bash
#!/bin/sh
# Check ncurses compatibility
# What library to link
ldflags()
{
for ext in so dylib; do
for dir in "" /usr/local/lib /opt/local/lib; do
$cc ${dir:+-L$dir} -print-file-name=libncursesw.$ext | grep -q /
for ext in so a dll.a dylib ; do
for lib in ncursesw ncurses curses ; do
$cc -print-file-name=lib${lib}.${ext} | grep -q /
if [ $? -eq 0 ]; then
echo $dir '-lncursesw'
exit
fi
$cc ${dir:+-L$dir} -print-file-name=libncurses.$ext | grep -q /
if [ $? -eq 0 ]; then
echo $dir '-lncurses'
exit
fi
$cc ${dir:+-L$dir} -print-file-name=libcurses.$ext | grep -q /
if [ $? -eq 0 ]; then
echo $dir '-lcurses'
echo "-l${lib}"
exit
fi
done
@@ -29,12 +19,13 @@ ldflags()
# Where is ncurses.h?
ccflags()
{
if [ -f /usr/include/ncurses/ncurses.h ]; then
if [ -f /usr/include/ncursesw/curses.h ]; then
echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
echo ' -DNCURSES_WIDECHAR=1'
elif [ -f /usr/include/ncurses/ncurses.h ]; then
echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
elif [ -f /usr/include/ncurses/curses.h ]; then
echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
elif [ -f /opt/local/include/ncurses/ncurses.h ]; then
echo '-I/opt/local/include -I/opt/local/include/ncurses -DCURSES_LOC="<ncurses/ncurses.h>"'
elif [ -f /usr/include/ncurses.h ]; then
echo '-DCURSES_LOC="<ncurses.h>"'
else
@@ -48,19 +39,23 @@ trap "rm -f $tmp" 0 1 2 3 15
# Check if we can link to ncurses
check() {
echo "main() {}" | $cc -xc - -o $tmp 2> /dev/null
$cc -x c - -o $tmp 2>/dev/null <<'EOF'
#include CURSES_LOC
main() {}
EOF
if [ $? != 0 ]; then
echo " *** Unable to find the ncurses libraries." 1>&2
echo " *** make menuconfig require the ncurses libraries" 1>&2
echo " *** " 1>&2
echo " *** Install ncurses (ncurses-devel) and try again" 1>&2
echo " *** " 1>&2
exit 1
echo " *** Unable to find the ncurses libraries or the" 1>&2
echo " *** required header files." 1>&2
echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
echo " *** " 1>&2
echo " *** Install ncurses (ncurses-devel) and try again." 1>&2
echo " *** " 1>&2
exit 1
fi
}
usage() {
printf "Usage: $0 [-check compiler options|-header|-library]\n"
printf "Usage: $0 [-check compiler options|-ccflags|-ldflags compiler options]\n"
}
if [ $# -eq 0 ]; then

View File

@@ -28,29 +28,35 @@ static int list_width, check_x, item_x;
/*
* Print list item
*/
static void print_item(WINDOW * win, const char *item, int status, int choice,
int selected)
static void print_item(WINDOW * win, int choice, int selected)
{
int i;
char *list_item = malloc(list_width + 1);
strncpy(list_item, item_str(), list_width - item_x);
list_item[list_width - item_x] = '\0';
/* Clear 'residue' of last item */
wattrset(win, menubox_attr);
wattrset(win, dlg.menubox.atr);
wmove(win, choice, 0);
for (i = 0; i < list_width; i++)
waddch(win, ' ');
wmove(win, choice, check_x);
wattrset(win, selected ? check_selected_attr : check_attr);
wprintw(win, "(%c)", status ? 'X' : ' ');
wattrset(win, selected ? dlg.check_selected.atr
: dlg.check.atr);
if (!item_is_tag(':'))
wprintw(win, "(%c)", item_is_tag('X') ? 'X' : ' ');
wattrset(win, selected ? tag_selected_attr : tag_attr);
mvwaddch(win, choice, item_x, item[0]);
wattrset(win, selected ? item_selected_attr : item_attr);
waddstr(win, (char *)item + 1);
wattrset(win, selected ? dlg.tag_selected.atr : dlg.tag.atr);
mvwaddch(win, choice, item_x, list_item[0]);
wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr);
waddstr(win, list_item + 1);
if (selected) {
wmove(win, choice, check_x + 1);
wrefresh(win);
}
free(list_item);
}
/*
@@ -62,11 +68,11 @@ static void print_arrows(WINDOW * win, int choice, int item_no, int scroll,
wmove(win, y, x);
if (scroll > 0) {
wattrset(win, uarrow_attr);
wattrset(win, dlg.uarrow.atr);
waddch(win, ACS_UARROW);
waddstr(win, "(-)");
} else {
wattrset(win, menubox_attr);
wattrset(win, dlg.menubox.atr);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
@@ -77,11 +83,11 @@ static void print_arrows(WINDOW * win, int choice, int item_no, int scroll,
wmove(win, y, x);
if ((height < item_no) && (scroll + choice < item_no - 1)) {
wattrset(win, darrow_attr);
wattrset(win, dlg.darrow.atr);
waddch(win, ACS_DARROW);
waddstr(win, "(+)");
} else {
wattrset(win, menubox_border_attr);
wattrset(win, dlg.menubox_border.atr);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
@@ -97,8 +103,8 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
int x = width / 2 - 11;
int y = height - 2;
print_button(dialog, "Select", y, x, selected == 0);
print_button(dialog, " Help ", y, x + 14, selected == 1);
print_button(dialog, gettext("Select"), y, x, selected == 0);
print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
wmove(dialog, y, x + 1 + 14 * selected);
wrefresh(dialog);
@@ -109,32 +115,29 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
* in the style of radiolist (only one option turned on at a time).
*/
int dialog_checklist(const char *title, const char *prompt, int height,
int width, int list_height, int item_no,
const char *const *items)
int width, int list_height)
{
int i, x, y, box_x, box_y;
int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status;
int key = 0, button = 0, choice = 0, scroll = 0, max_choice;
WINDOW *dialog, *list;
/* Allocate space for storing item on/off status */
if ((status = malloc(sizeof(int) * item_no)) == NULL) {
endwin();
fprintf(stderr,
"\nCan't allocate memory in dialog_checklist().\n");
exit(-1);
/* which item to highlight */
item_foreach() {
if (item_is_tag('X'))
choice = item_n();
if (item_is_selected()) {
choice = item_n();
break;
}
}
/* Initializes status */
for (i = 0; i < item_no; i++) {
status[i] = !strcasecmp(items[i * 3 + 2], "on");
if ((!choice && status[i])
|| !strcasecmp(items[i * 3 + 2], "selected"))
choice = i + 1;
}
if (choice)
choice--;
do_resize:
if (getmaxy(stdscr) < (height + 6))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) < (width + 6))
return -ERRDISPLAYTOOSMALL;
max_choice = MIN(list_height, item_no);
max_choice = MIN(list_height, item_count());
/* center dialog box on screen */
x = (COLS - width) / 2;
@@ -145,17 +148,18 @@ int dialog_checklist(const char *title, const char *prompt, int height,
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset(dialog, border_attr);
draw_box(dialog, 0, 0, height, width,
dlg.dialog.atr, dlg.border.atr);
wattrset(dialog, dlg.border.atr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
wattrset(dialog, dlg.dialog.atr);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
wattrset(dialog, dialog_attr);
wattrset(dialog, dlg.dialog.atr);
print_autowrap(dialog, prompt, width - 2, 1, 3);
list_width = width - 6;
@@ -170,12 +174,13 @@ int dialog_checklist(const char *title, const char *prompt, int height,
/* draw a box around the list items */
draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2,
menubox_border_attr, menubox_attr);
dlg.menubox_border.atr, dlg.menubox.atr);
/* Find length of longest item in order to center checklist */
check_x = 0;
for (i = 0; i < item_no; i++)
check_x = MAX(check_x, +strlen(items[i * 3 + 1]) + 4);
item_foreach()
check_x = MAX(check_x, strlen(item_str()) + 4);
check_x = MIN(check_x, list_width);
check_x = (list_width - check_x) / 2;
item_x = check_x + 4;
@@ -187,26 +192,27 @@ int dialog_checklist(const char *title, const char *prompt, int height,
/* Print the list */
for (i = 0; i < max_choice; i++) {
print_item(list, items[(scroll + i) * 3 + 1],
status[i + scroll], i, i == choice);
item_set(scroll + i);
print_item(list, i, i == choice);
}
print_arrows(dialog, choice, item_no, scroll,
print_arrows(dialog, choice, item_count(), scroll,
box_y, box_x + check_x + 5, list_height);
print_buttons(dialog, height, width, 0);
wnoutrefresh(list);
wnoutrefresh(dialog);
wnoutrefresh(list);
doupdate();
while (key != ESC) {
while (key != KEY_ESC) {
key = wgetch(dialog);
for (i = 0; i < max_choice; i++)
if (toupper(key) ==
toupper(items[(scroll + i) * 3 + 1][0]))
for (i = 0; i < max_choice; i++) {
item_set(i + scroll);
if (toupper(key) == toupper(item_str()[0]))
break;
}
if (i < max_choice || key == KEY_UP || key == KEY_DOWN ||
key == '+' || key == '-') {
@@ -217,47 +223,48 @@ int dialog_checklist(const char *title, const char *prompt, int height,
/* Scroll list down */
if (list_height > 1) {
/* De-highlight current first item */
print_item(list, items[scroll * 3 + 1],
status[scroll], 0, FALSE);
item_set(scroll);
print_item(list, 0, FALSE);
scrollok(list, TRUE);
wscrl(list, -1);
scrollok(list, FALSE);
}
scroll--;
print_item(list, items[scroll * 3 + 1], status[scroll], 0, TRUE);
wnoutrefresh(list);
print_arrows(dialog, choice, item_no,
item_set(scroll);
print_item(list, 0, TRUE);
print_arrows(dialog, choice, item_count(),
scroll, box_y, box_x + check_x + 5, list_height);
wrefresh(dialog);
wnoutrefresh(dialog);
wrefresh(list);
continue; /* wait for another key press */
} else
i = choice - 1;
} else if (key == KEY_DOWN || key == '+') {
if (choice == max_choice - 1) {
if (scroll + choice >= item_no - 1)
if (scroll + choice >= item_count() - 1)
continue;
/* Scroll list up */
if (list_height > 1) {
/* De-highlight current last item before scrolling up */
print_item(list, items[(scroll + max_choice - 1) * 3 + 1],
status[scroll + max_choice - 1],
max_choice - 1, FALSE);
item_set(scroll + max_choice - 1);
print_item(list,
max_choice - 1,
FALSE);
scrollok(list, TRUE);
wscrl(list, 1);
scrollok(list, FALSE);
}
scroll++;
print_item(list, items[(scroll + max_choice - 1) * 3 + 1],
status[scroll + max_choice - 1], max_choice - 1, TRUE);
wnoutrefresh(list);
item_set(scroll + max_choice - 1);
print_item(list, max_choice - 1, TRUE);
print_arrows(dialog, choice, item_no,
print_arrows(dialog, choice, item_count(),
scroll, box_y, box_x + check_x + 5, list_height);
wrefresh(dialog);
wnoutrefresh(dialog);
wrefresh(list);
continue; /* wait for another key press */
} else
@@ -265,14 +272,14 @@ int dialog_checklist(const char *title, const char *prompt, int height,
}
if (i != choice) {
/* De-highlight current item */
print_item(list, items[(scroll + choice) * 3 + 1],
status[scroll + choice], choice, FALSE);
item_set(scroll + choice);
print_item(list, choice, FALSE);
/* Highlight new item */
choice = i;
print_item(list, items[(scroll + choice) * 3 + 1],
status[scroll + choice], choice, TRUE);
wnoutrefresh(list);
wrefresh(dialog);
item_set(scroll + choice);
print_item(list, choice, TRUE);
wnoutrefresh(dialog);
wrefresh(list);
}
continue; /* wait for another key press */
}
@@ -280,10 +287,19 @@ int dialog_checklist(const char *title, const char *prompt, int height,
case 'H':
case 'h':
case '?':
fprintf(stderr, "%s", items[(scroll + choice) * 3]);
button = 1;
/* fall-through */
case 'S':
case 's':
case ' ':
case '\n':
item_foreach()
item_set_selected(0);
item_set(scroll + choice);
item_set_selected(1);
delwin(list);
delwin(dialog);
free(status);
return 1;
return button;
case TAB:
case KEY_LEFT:
case KEY_RIGHT:
@@ -293,42 +309,24 @@ int dialog_checklist(const char *title, const char *prompt, int height,
print_buttons(dialog, height, width, button);
wrefresh(dialog);
break;
case 'S':
case 's':
case ' ':
case '\n':
if (!button) {
if (!status[scroll + choice]) {
for (i = 0; i < item_no; i++)
status[i] = 0;
status[scroll + choice] = 1;
for (i = 0; i < max_choice; i++)
print_item(list, items[(scroll + i) * 3 + 1],
status[scroll + i], i, i == choice);
}
wnoutrefresh(list);
wrefresh(dialog);
for (i = 0; i < item_no; i++)
if (status[i])
fprintf(stderr, "%s", items[i * 3]);
} else
fprintf(stderr, "%s", items[(scroll + choice) * 3]);
delwin(dialog);
free(status);
return button;
case 'X':
case 'x':
key = ESC;
case ESC:
key = KEY_ESC;
break;
case KEY_ESC:
key = on_key_esc(dialog);
break;
case KEY_RESIZE:
delwin(list);
delwin(dialog);
on_key_resize();
goto do_resize;
}
/* Now, update everything... */
doupdate();
}
delwin(list);
delwin(dialog);
free(status);
return -1; /* ESC pressed */
return key; /* ESC pressed */
}

View File

@@ -1,154 +0,0 @@
/*
* colors.h -- color attribute definitions
*
* AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Default color definitions
*
* *_FG = foreground
* *_BG = background
* *_HL = highlight?
*/
#define SCREEN_FG COLOR_CYAN
#define SCREEN_BG COLOR_BLUE
#define SCREEN_HL TRUE
#define SHADOW_FG COLOR_BLACK
#define SHADOW_BG COLOR_BLACK
#define SHADOW_HL TRUE
#define DIALOG_FG COLOR_BLACK
#define DIALOG_BG COLOR_WHITE
#define DIALOG_HL FALSE
#define TITLE_FG COLOR_BLUE
#define TITLE_BG COLOR_WHITE
#define TITLE_HL TRUE
#define BORDER_FG COLOR_WHITE
#define BORDER_BG COLOR_WHITE
#define BORDER_HL TRUE
#define BUTTON_ACTIVE_FG COLOR_WHITE
#define BUTTON_ACTIVE_BG COLOR_BLUE
#define BUTTON_ACTIVE_HL TRUE
#define BUTTON_INACTIVE_FG COLOR_BLACK
#define BUTTON_INACTIVE_BG COLOR_WHITE
#define BUTTON_INACTIVE_HL FALSE
#define BUTTON_KEY_ACTIVE_FG COLOR_WHITE
#define BUTTON_KEY_ACTIVE_BG COLOR_BLUE
#define BUTTON_KEY_ACTIVE_HL TRUE
#define BUTTON_KEY_INACTIVE_FG COLOR_RED
#define BUTTON_KEY_INACTIVE_BG COLOR_WHITE
#define BUTTON_KEY_INACTIVE_HL FALSE
#define BUTTON_LABEL_ACTIVE_FG COLOR_YELLOW
#define BUTTON_LABEL_ACTIVE_BG COLOR_BLUE
#define BUTTON_LABEL_ACTIVE_HL TRUE
#define BUTTON_LABEL_INACTIVE_FG COLOR_BLACK
#define BUTTON_LABEL_INACTIVE_BG COLOR_WHITE
#define BUTTON_LABEL_INACTIVE_HL TRUE
#define INPUTBOX_FG COLOR_BLACK
#define INPUTBOX_BG COLOR_WHITE
#define INPUTBOX_HL FALSE
#define INPUTBOX_BORDER_FG COLOR_BLACK
#define INPUTBOX_BORDER_BG COLOR_WHITE
#define INPUTBOX_BORDER_HL FALSE
#define SEARCHBOX_FG COLOR_BLACK
#define SEARCHBOX_BG COLOR_WHITE
#define SEARCHBOX_HL FALSE
#define SEARCHBOX_TITLE_FG COLOR_BLUE
#define SEARCHBOX_TITLE_BG COLOR_WHITE
#define SEARCHBOX_TITLE_HL TRUE
#define SEARCHBOX_BORDER_FG COLOR_WHITE
#define SEARCHBOX_BORDER_BG COLOR_WHITE
#define SEARCHBOX_BORDER_HL TRUE
#define POSITION_INDICATOR_FG COLOR_BLUE
#define POSITION_INDICATOR_BG COLOR_WHITE
#define POSITION_INDICATOR_HL TRUE
#define MENUBOX_FG COLOR_BLACK
#define MENUBOX_BG COLOR_WHITE
#define MENUBOX_HL FALSE
#define MENUBOX_BORDER_FG COLOR_WHITE
#define MENUBOX_BORDER_BG COLOR_WHITE
#define MENUBOX_BORDER_HL TRUE
#define ITEM_FG COLOR_BLACK
#define ITEM_BG COLOR_WHITE
#define ITEM_HL FALSE
#define ITEM_SELECTED_FG COLOR_WHITE
#define ITEM_SELECTED_BG COLOR_BLUE
#define ITEM_SELECTED_HL TRUE
#define TAG_FG COLOR_BLUE
#define TAG_BG COLOR_WHITE
#define TAG_HL TRUE
#define TAG_SELECTED_FG COLOR_YELLOW
#define TAG_SELECTED_BG COLOR_BLUE
#define TAG_SELECTED_HL TRUE
#define TAG_KEY_FG COLOR_BLUE
#define TAG_KEY_BG COLOR_WHITE
#define TAG_KEY_HL TRUE
#define TAG_KEY_SELECTED_FG COLOR_YELLOW
#define TAG_KEY_SELECTED_BG COLOR_BLUE
#define TAG_KEY_SELECTED_HL TRUE
#define CHECK_FG COLOR_BLACK
#define CHECK_BG COLOR_WHITE
#define CHECK_HL FALSE
#define CHECK_SELECTED_FG COLOR_WHITE
#define CHECK_SELECTED_BG COLOR_BLUE
#define CHECK_SELECTED_HL TRUE
#define UARROW_FG COLOR_GREEN
#define UARROW_BG COLOR_WHITE
#define UARROW_HL TRUE
#define DARROW_FG COLOR_GREEN
#define DARROW_BG COLOR_WHITE
#define DARROW_HL TRUE
/* End of default color definitions */
#define C_ATTR(x,y) ((x ? A_BOLD : 0) | COLOR_PAIR((y)))
#define COLOR_NAME_LEN 10
#define COLOR_COUNT 8
/*
* Global variables
*/
extern int color_table[][3];

View File

@@ -24,6 +24,13 @@
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#ifndef KBUILD_NO_NLS
# include <libintl.h>
#else
# define gettext(Msgid) ((const char *) (Msgid))
#endif
#ifdef __sun__
#define CURS_MACROS
@@ -48,7 +55,7 @@
#define TR(params) _tracef params
#define ESC 27
#define KEY_ESC 27
#define TAB 9
#define MAX_LEN 2048
#define BUF_SIZE (10*1024)
@@ -86,63 +93,112 @@
#define ACS_DARROW 'v'
#endif
/*
* Attribute names
*/
#define screen_attr attributes[0]
#define shadow_attr attributes[1]
#define dialog_attr attributes[2]
#define title_attr attributes[3]
#define border_attr attributes[4]
#define button_active_attr attributes[5]
#define button_inactive_attr attributes[6]
#define button_key_active_attr attributes[7]
#define button_key_inactive_attr attributes[8]
#define button_label_active_attr attributes[9]
#define button_label_inactive_attr attributes[10]
#define inputbox_attr attributes[11]
#define inputbox_border_attr attributes[12]
#define searchbox_attr attributes[13]
#define searchbox_title_attr attributes[14]
#define searchbox_border_attr attributes[15]
#define position_indicator_attr attributes[16]
#define menubox_attr attributes[17]
#define menubox_border_attr attributes[18]
#define item_attr attributes[19]
#define item_selected_attr attributes[20]
#define tag_attr attributes[21]
#define tag_selected_attr attributes[22]
#define tag_key_attr attributes[23]
#define tag_key_selected_attr attributes[24]
#define check_attr attributes[25]
#define check_selected_attr attributes[26]
#define uarrow_attr attributes[27]
#define darrow_attr attributes[28]
/* error return codes */
#define ERRDISPLAYTOOSMALL (KEY_MAX + 1)
/* number of attributes */
#define ATTRIBUTE_COUNT 29
/*
* Color definitions
*/
struct dialog_color {
chtype atr; /* Color attribute */
int fg; /* foreground */
int bg; /* background */
int hl; /* highlight this item */
};
struct dialog_info {
const char *backtitle;
struct dialog_color screen;
struct dialog_color shadow;
struct dialog_color dialog;
struct dialog_color title;
struct dialog_color border;
struct dialog_color button_active;
struct dialog_color button_inactive;
struct dialog_color button_key_active;
struct dialog_color button_key_inactive;
struct dialog_color button_label_active;
struct dialog_color button_label_inactive;
struct dialog_color inputbox;
struct dialog_color inputbox_border;
struct dialog_color searchbox;
struct dialog_color searchbox_title;
struct dialog_color searchbox_border;
struct dialog_color position_indicator;
struct dialog_color menubox;
struct dialog_color menubox_border;
struct dialog_color item;
struct dialog_color item_selected;
struct dialog_color tag;
struct dialog_color tag_selected;
struct dialog_color tag_key;
struct dialog_color tag_key_selected;
struct dialog_color check;
struct dialog_color check_selected;
struct dialog_color uarrow;
struct dialog_color darrow;
};
/*
* Global variables
*/
extern bool use_colors;
extern bool use_shadow;
extern chtype attributes[];
extern const char *backtitle;
extern struct dialog_info dlg;
extern char dialog_input_result[];
extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */
/*
* Function prototypes
*/
extern void create_rc(const char *filename);
extern int parse_rc(void);
void init_dialog(void);
void end_dialog(void);
/* item list as used by checklist and menubox */
void item_reset(void);
void item_make(const char *fmt, ...);
void item_add_str(const char *fmt, ...);
void item_set_tag(char tag);
void item_set_data(void *p);
void item_set_selected(int val);
int item_activate_selected(void);
void *item_data(void);
char item_tag(void);
/* item list manipulation for lxdialog use */
#define MAXITEMSTR 200
struct dialog_item {
char str[MAXITEMSTR]; /* promtp displayed */
char tag;
void *data; /* pointer to menu item - used by menubox+checklist */
int selected; /* Set to 1 by dialog_*() function if selected. */
};
/* list of lialog_items */
struct dialog_list {
struct dialog_item node;
struct dialog_list *next;
};
extern struct dialog_list *item_cur;
extern struct dialog_list item_nil;
extern struct dialog_list *item_head;
int item_count(void);
void item_set(int n);
int item_n(void);
const char *item_str(void);
int item_is_selected(void);
int item_is_tag(char tag);
#define item_foreach() \
for (item_cur = item_head ? item_head: item_cur; \
item_cur && (item_cur != &item_nil); item_cur = item_cur->next)
/* generic key handlers */
int on_key_esc(WINDOW *win);
int on_key_resize(void);
int init_dialog(const char *backtitle);
void set_dialog_backtitle(const char *backtitle);
void end_dialog(int x, int y);
void attr_clear(WINDOW * win, int height, int width, chtype attr);
void dialog_clear(void);
void color_setup(void);
void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x);
void print_button(WINDOW * win, const char *label, int y, int x, int selected);
void print_title(WINDOW *dialog, const char *title, int width);
@@ -154,14 +210,17 @@ 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_menu(const char *title, const char *prompt, int height, int width,
int menu_height, const char *choice, int item_no,
const char *const *items);
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,
int width, int list_height, int item_no,
const char *const *items);
extern char dialog_input_result[];
int width, int list_height);
int dialog_inputbox(const char *title, const char *prompt, int height,
int width, const char *init);

View File

@@ -31,8 +31,8 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
int x = width / 2 - 11;
int y = height - 2;
print_button(dialog, " Ok ", y, x, selected == 0);
print_button(dialog, " Help ", y, x + 14, selected == 1);
print_button(dialog, gettext(" Ok "), y, x, selected == 0);
print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
wmove(dialog, y, x + 1 + 14 * selected);
wrefresh(dialog);
@@ -45,10 +45,22 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
const char *init)
{
int i, x, y, box_y, box_x, box_width;
int input_x = 0, scroll = 0, key = 0, button = -1;
int input_x = 0, key = 0, button = -1;
int show_x, len, pos;
char *instr = dialog_input_result;
WINDOW *dialog;
if (!init)
instr[0] = '\0';
else
strcpy(instr, init);
do_resize:
if (getmaxy(stdscr) <= (height - 2))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) <= (width - 2))
return -ERRDISPLAYTOOSMALL;
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
@@ -58,17 +70,18 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset(dialog, border_attr);
draw_box(dialog, 0, 0, height, width,
dlg.dialog.atr, dlg.border.atr);
wattrset(dialog, dlg.border.atr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
wattrset(dialog, dlg.dialog.atr);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
wattrset(dialog, dialog_attr);
wattrset(dialog, dlg.dialog.atr);
print_autowrap(dialog, prompt, width - 2, 1, 3);
/* Draw the input field box */
@@ -76,27 +89,26 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
getyx(dialog, y, x);
box_y = y + 2;
box_x = (width - box_width) / 2;
draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2, border_attr, dialog_attr);
draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2,
dlg.dialog.atr, dlg.border.atr);
print_buttons(dialog, height, width, 0);
/* Set up the initial value */
wmove(dialog, box_y, box_x);
wattrset(dialog, inputbox_attr);
wattrset(dialog, dlg.inputbox.atr);
if (!init)
instr[0] = '\0';
else
strcpy(instr, init);
len = strlen(instr);
pos = len;
input_x = strlen(instr);
if (input_x >= box_width) {
scroll = input_x - box_width + 1;
if (len >= box_width) {
show_x = len - box_width + 1;
input_x = box_width - 1;
for (i = 0; i < box_width - 1; i++)
waddch(dialog, instr[scroll + i]);
waddch(dialog, instr[show_x + i]);
} else {
show_x = 0;
input_x = len;
waddstr(dialog, instr);
}
@@ -104,7 +116,7 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
wrefresh(dialog);
while (key != ESC) {
while (key != KEY_ESC) {
key = wgetch(dialog);
if (button == -1) { /* Input box selected */
@@ -113,45 +125,104 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
case KEY_UP:
case KEY_DOWN:
break;
case KEY_LEFT:
continue;
case KEY_RIGHT:
continue;
case KEY_BACKSPACE:
case 127:
if (input_x || scroll) {
wattrset(dialog, inputbox_attr);
if (!input_x) {
scroll = scroll < box_width - 1 ? 0 : scroll - (box_width - 1);
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width; i++)
waddch(dialog,
instr[scroll + input_x + i] ?
instr[scroll + input_x + i] : ' ');
input_x = strlen(instr) - scroll;
if (pos) {
wattrset(dialog, dlg.inputbox.atr);
if (input_x == 0) {
show_x--;
} else
input_x--;
instr[scroll + input_x] = '\0';
mvwaddch(dialog, box_y, input_x + box_x, ' ');
if (pos < len) {
for (i = pos - 1; i < len; i++) {
instr[i] = instr[i+1];
}
}
pos--;
len--;
instr[len] = '\0';
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width; i++) {
if (!instr[show_x + i]) {
waddch(dialog, ' ');
break;
}
waddch(dialog, instr[show_x + i]);
}
wmove(dialog, box_y, input_x + box_x);
wrefresh(dialog);
}
continue;
case KEY_LEFT:
if (pos > 0) {
if (input_x > 0) {
wmove(dialog, box_y, --input_x + box_x);
} else if (input_x == 0) {
show_x--;
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width; i++) {
if (!instr[show_x + i]) {
waddch(dialog, ' ');
break;
}
waddch(dialog, instr[show_x + i]);
}
wmove(dialog, box_y, box_x);
}
pos--;
}
continue;
case KEY_RIGHT:
if (pos < len) {
if (input_x < box_width - 1) {
wmove(dialog, box_y, ++input_x + box_x);
} else if (input_x == box_width - 1) {
show_x++;
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width; i++) {
if (!instr[show_x + i]) {
waddch(dialog, ' ');
break;
}
waddch(dialog, instr[show_x + i]);
}
wmove(dialog, box_y, input_x + box_x);
}
pos++;
}
continue;
default:
if (key < 0x100 && isprint(key)) {
if (scroll + input_x < MAX_LEN) {
wattrset(dialog, inputbox_attr);
instr[scroll + input_x] = key;
instr[scroll + input_x + 1] = '\0';
if (input_x == box_width - 1) {
scroll++;
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width - 1; i++)
waddch(dialog, instr [scroll + i]);
if (len < MAX_LEN) {
wattrset(dialog, dlg.inputbox.atr);
if (pos < len) {
for (i = len; i > pos; i--)
instr[i] = instr[i-1];
instr[pos] = key;
} else {
wmove(dialog, box_y, input_x++ + box_x);
waddch(dialog, key);
instr[len] = key;
}
pos++;
len++;
instr[len] = '\0';
if (input_x == box_width - 1) {
show_x++;
} else {
input_x++;
}
wmove(dialog, box_y, box_x);
for (i = 0; i < box_width; i++) {
if (!instr[show_x + i]) {
waddch(dialog, ' ');
break;
}
waddch(dialog, instr[show_x + i]);
}
wmove(dialog, box_y, input_x + box_x);
wrefresh(dialog);
} else
flash(); /* Alarm user about overflow */
@@ -172,7 +243,7 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
case KEY_LEFT:
switch (button) {
case -1:
button = 1; /* Indicates "Cancel" button is selected */
button = 1; /* Indicates "Help" button is selected */
print_buttons(dialog, height, width, 1);
break;
case 0:
@@ -196,7 +267,7 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
print_buttons(dialog, height, width, 0);
break;
case 0:
button = 1; /* Indicates "Cancel" button is selected */
button = 1; /* Indicates "Help" button is selected */
print_buttons(dialog, height, width, 1);
break;
case 1:
@@ -213,12 +284,18 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
return (button == -1 ? 0 : button);
case 'X':
case 'x':
key = ESC;
case ESC:
key = KEY_ESC;
break;
case KEY_ESC:
key = on_key_esc(dialog);
break;
case KEY_RESIZE:
delwin(dialog);
on_key_resize();
goto do_resize;
}
}
delwin(dialog);
return -1; /* ESC pressed */
return KEY_ESC; /* ESC pressed */
}

View File

@@ -1,204 +0,0 @@
/*
* dialog - Display simple dialog boxes from shell scripts
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
static void Usage(const char *name);
typedef int (jumperFn) (const char *title, int argc, const char *const *argv);
struct Mode {
char *name;
int argmin, argmax, argmod;
jumperFn *jumper;
};
jumperFn j_menu, j_radiolist, j_yesno, j_textbox, j_inputbox;
jumperFn j_msgbox, j_infobox;
static struct Mode modes[] = {
{"--menu", 9, 0, 3, j_menu},
{"--radiolist", 9, 0, 3, j_radiolist},
{"--yesno", 5, 5, 1, j_yesno},
{"--textbox", 5, 5, 1, j_textbox},
{"--inputbox", 5, 6, 1, j_inputbox},
{"--msgbox", 5, 5, 1, j_msgbox},
{"--infobox", 5, 5, 1, j_infobox},
{NULL, 0, 0, 0, NULL}
};
static struct Mode *modePtr;
#ifdef LOCALE
#include <locale.h>
#endif
int main(int argc, const char *const *argv)
{
int offset = 0, opt_clear = 0, end_common_opts = 0, retval;
const char *title = NULL;
#ifdef LOCALE
(void)setlocale(LC_ALL, "");
#endif
#ifdef TRACE
trace(TRACE_CALLS | TRACE_UPDATE);
#endif
if (argc < 2) {
Usage(argv[0]);
exit(-1);
}
while (offset < argc - 1 && !end_common_opts) { /* Common options */
if (!strcmp(argv[offset + 1], "--title")) {
if (argc - offset < 3 || title != NULL) {
Usage(argv[0]);
exit(-1);
} else {
title = argv[offset + 2];
offset += 2;
}
} else if (!strcmp(argv[offset + 1], "--backtitle")) {
if (backtitle != NULL) {
Usage(argv[0]);
exit(-1);
} else {
backtitle = argv[offset + 2];
offset += 2;
}
} else if (!strcmp(argv[offset + 1], "--clear")) {
if (opt_clear) { /* Hey, "--clear" can't appear twice! */
Usage(argv[0]);
exit(-1);
} else if (argc == 2) { /* we only want to clear the screen */
init_dialog();
refresh(); /* init_dialog() will clear the screen for us */
end_dialog();
return 0;
} else {
opt_clear = 1;
offset++;
}
} else /* no more common options */
end_common_opts = 1;
}
if (argc - 1 == offset) { /* no more options */
Usage(argv[0]);
exit(-1);
}
/* use a table to look for the requested mode, to avoid code duplication */
for (modePtr = modes; modePtr->name; modePtr++) /* look for the mode */
if (!strcmp(argv[offset + 1], modePtr->name))
break;
if (!modePtr->name)
Usage(argv[0]);
if (argc - offset < modePtr->argmin)
Usage(argv[0]);
if (modePtr->argmax && argc - offset > modePtr->argmax)
Usage(argv[0]);
init_dialog();
retval = (*(modePtr->jumper)) (title, argc - offset, argv + offset);
if (opt_clear) { /* clear screen before exit */
attr_clear(stdscr, LINES, COLS, screen_attr);
refresh();
}
end_dialog();
exit(retval);
}
/*
* Print program usage
*/
static void Usage(const char *name)
{
fprintf(stderr, "\
\ndialog, by Savio Lam (lam836@cs.cuhk.hk).\
\n patched by Stuart Herbert (S.Herbert@shef.ac.uk)\
\n modified/gutted for use as a Linux kernel config tool by \
\n William Roadcap (roadcapw@cfw.com)\
\n\
\n* Display dialog boxes from shell scripts *\
\n\
\nUsage: %s --clear\
\n %s [--title <title>] [--backtitle <backtitle>] --clear <Box options>\
\n\
\nBox options:\
\n\
\n --menu <text> <height> <width> <menu height> <tag1> <item1>...\
\n --radiolist <text> <height> <width> <list height> <tag1> <item1> <status1>...\
\n --textbox <file> <height> <width>\
\n --inputbox <text> <height> <width> [<init>]\
\n --yesno <text> <height> <width>\
\n", name, name);
exit(-1);
}
/*
* These are the program jumpers
*/
int j_menu(const char *t, int ac, const char *const *av)
{
return dialog_menu(t, av[2], atoi(av[3]), atoi(av[4]),
atoi(av[5]), av[6], (ac - 6) / 2, av + 7);
}
int j_radiolist(const char *t, int ac, const char *const *av)
{
return dialog_checklist(t, av[2], atoi(av[3]), atoi(av[4]),
atoi(av[5]), (ac - 6) / 3, av + 6);
}
int j_textbox(const char *t, int ac, const char *const *av)
{
return dialog_textbox(t, av[2], atoi(av[3]), atoi(av[4]));
}
int j_yesno(const char *t, int ac, const char *const *av)
{
return dialog_yesno(t, av[2], atoi(av[3]), atoi(av[4]));
}
int j_inputbox(const char *t, int ac, const char *const *av)
{
int ret = dialog_inputbox(t, av[2], atoi(av[3]), atoi(av[4]),
ac == 6 ? av[5] : (char *)NULL);
if (ret == 0)
fprintf(stderr, "%s", dialog_input_result);
return ret;
}
int j_msgbox(const char *t, int ac, const char *const *av)
{
return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 1);
}
int j_infobox(const char *t, int ac, const char *const *av)
{
return dialog_msgbox(t, av[2], atoi(av[3]), atoi(av[4]), 0);
}

View File

@@ -26,7 +26,7 @@
*
* *) A bugfix for the Page-Down problem
*
* *) Formerly when I used Page Down and Page Up, the cursor would be set
* *) Formerly when I used Page Down and Page Up, the cursor would be set
* to the first position in the menu box. Now lxdialog is a bit
* smarter and works more like other menu systems (just have a look at
* it).
@@ -58,25 +58,24 @@
#include "dialog.h"
#define ITEM_IDENT 1 /* Indent of menu entries. Fixed for all menus */
static int menu_width;
static int menu_width, item_x;
/*
* Print menu item
*/
static void do_print_item(WINDOW * win, const char *item, int choice,
static void do_print_item(WINDOW * win, const char *item, int line_y,
int selected, int hotkey)
{
int j;
char *menu_item = malloc(menu_width + 1);
strncpy(menu_item, item, menu_width - ITEM_IDENT);
menu_item[menu_width] = 0;
strncpy(menu_item, item, menu_width - item_x);
menu_item[menu_width - item_x] = '\0';
j = first_alpha(menu_item, "YyNnMmHh");
/* Clear 'residue' of last item */
wattrset(win, menubox_attr);
wmove(win, choice, 0);
wattrset(win, dlg.menubox.atr);
wmove(win, line_y, 0);
#if OLD_NCURSES
{
int i;
@@ -86,23 +85,24 @@ static void do_print_item(WINDOW * win, const char *item, int choice,
#else
wclrtoeol(win);
#endif
wattrset(win, selected ? item_selected_attr : item_attr);
mvwaddstr(win, choice, ITEM_IDENT, menu_item);
wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr);
mvwaddstr(win, line_y, item_x, menu_item);
if (hotkey) {
wattrset(win, selected ? tag_key_selected_attr : tag_key_attr);
mvwaddch(win, choice, ITEM_IDENT + j, menu_item[j]);
wattrset(win, selected ? dlg.tag_key_selected.atr
: dlg.tag_key.atr);
mvwaddch(win, line_y, item_x + j, menu_item[j]);
}
if (selected) {
wmove(win, choice, ITEM_IDENT + 1);
wmove(win, line_y, item_x + 1);
}
free(menu_item);
wrefresh(win);
}
#define print_item(index, choice, selected) \
do {\
int hotkey = (items[(index) * 2][0] != ':'); \
do_print_item(menu, items[(index) * 2 + 1], choice, selected, hotkey); \
#define print_item(index, choice, selected) \
do { \
item_set(index); \
do_print_item(menu, item_str(), choice, selected, !item_is_tag(':')); \
} while (0)
/*
@@ -118,11 +118,11 @@ static void print_arrows(WINDOW * win, int item_no, int scroll, int y, int x,
wmove(win, y, x);
if (scroll > 0) {
wattrset(win, uarrow_attr);
wattrset(win, dlg.uarrow.atr);
waddch(win, ACS_UARROW);
waddstr(win, "(-)");
} else {
wattrset(win, menubox_attr);
wattrset(win, dlg.menubox.atr);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
@@ -134,11 +134,11 @@ static void print_arrows(WINDOW * win, int item_no, int scroll, int y, int x,
wrefresh(win);
if ((height < item_no) && (scroll + height < item_no)) {
wattrset(win, darrow_attr);
wattrset(win, dlg.darrow.atr);
waddch(win, ACS_DARROW);
waddstr(win, "(+)");
} else {
wattrset(win, menubox_border_attr);
wattrset(win, dlg.menubox_border.atr);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
waddch(win, ACS_HLINE);
@@ -154,12 +154,14 @@ static void print_arrows(WINDOW * win, int item_no, int scroll, int y, int x,
*/
static void print_buttons(WINDOW * win, int height, int width, int selected)
{
int x = width / 2 - 16;
int x = width / 2 - 28;
int y = height - 2;
print_button(win, "Select", y, x, selected == 0);
print_button(win, " Exit ", y, x + 12, selected == 1);
print_button(win, " Help ", y, x + 24, selected == 2);
print_button(win, gettext("Select"), y, x, selected == 0);
print_button(win, gettext(" Exit "), y, x + 12, selected == 1);
print_button(win, gettext(" Help "), y, x + 24, selected == 2);
print_button(win, gettext(" Save "), y, x + 36, selected == 3);
print_button(win, gettext(" Load "), y, x + 48, selected == 4);
wmove(win, y, x + 1 + 12 * selected);
wrefresh(win);
@@ -179,17 +181,26 @@ static void do_scroll(WINDOW *win, int *scroll, int n)
/*
* Display a menu for choosing among a number of options
*/
int dialog_menu(const char *title, const char *prompt, int height, int width,
int menu_height, const char *current, int item_no,
const char *const *items)
int dialog_menu(const char *title, const char *prompt,
const void *selected, int *s_scroll)
{
int i, j, x, y, box_x, box_y;
int height, width, menu_height;
int key = 0, button = 0, scroll = 0, choice = 0;
int first_item = 0, max_choice;
WINDOW *dialog, *menu;
FILE *f;
max_choice = MIN(menu_height, item_no);
do_resize:
height = getmaxy(stdscr);
width = getmaxx(stdscr);
if (height < 15 || width < 65)
return -ERRDISPLAYTOOSMALL;
height -= 4;
width -= 5;
menu_height = height - 10;
max_choice = MIN(menu_height, item_count());
/* center dialog box on screen */
x = (COLS - width) / 2;
@@ -200,18 +211,19 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset(dialog, border_attr);
draw_box(dialog, 0, 0, height, width,
dlg.dialog.atr, dlg.border.atr);
wattrset(dialog, dlg.border.atr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
wbkgdset(dialog, dialog_attr & A_COLOR);
wattrset(dialog, dlg.dialog.atr);
wbkgdset(dialog, dlg.dialog.atr & A_COLOR);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
wattrset(dialog, dialog_attr);
wattrset(dialog, dlg.dialog.atr);
print_autowrap(dialog, prompt, width - 2, 1, 3);
menu_width = width - 6;
@@ -225,31 +237,29 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
/* draw a box around the menu items */
draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2,
menubox_border_attr, menubox_attr);
dlg.menubox_border.atr, dlg.menubox.atr);
if (menu_width >= 80)
item_x = (menu_width - 70) / 2;
else
item_x = 4;
/* Set choice to default item */
for (i = 0; i < item_no; i++)
if (strcmp(current, items[i * 2]) == 0)
choice = i;
/* get the scroll info from the temp file */
if ((f = fopen("lxdialog.scrltmp", "r")) != NULL) {
if ((fscanf(f, "%d\n", &scroll) == 1) && (scroll <= choice) &&
(scroll + max_choice > choice) && (scroll >= 0) &&
(scroll + max_choice <= item_no)) {
first_item = scroll;
choice = choice - scroll;
fclose(f);
} else {
scroll = 0;
remove("lxdialog.scrltmp");
fclose(f);
f = NULL;
}
item_foreach()
if (selected && (selected == item_data()))
choice = item_n();
/* get the saved scroll info */
scroll = *s_scroll;
if ((scroll <= choice) && (scroll + max_choice > choice) &&
(scroll >= 0) && (scroll + max_choice <= item_count())) {
first_item = scroll;
choice = choice - scroll;
} else {
scroll = 0;
}
if ((choice >= max_choice) || (f == NULL && choice >= max_choice / 2)) {
if (choice >= item_no - max_choice / 2)
scroll = first_item = item_no - max_choice;
if ((choice >= max_choice)) {
if (choice >= item_count() - max_choice / 2)
scroll = first_item = item_count() - max_choice;
else
scroll = first_item = choice - max_choice / 2;
choice = choice - scroll;
@@ -262,14 +272,14 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
wnoutrefresh(menu);
print_arrows(dialog, item_no, scroll,
box_y, box_x + ITEM_IDENT + 1, menu_height);
print_arrows(dialog, item_count(), scroll,
box_y, box_x + item_x + 1, menu_height);
print_buttons(dialog, height, width, 0);
wmove(menu, choice, ITEM_IDENT + 1);
wmove(menu, choice, item_x + 1);
wrefresh(menu);
while (key != ESC) {
while (key != KEY_ESC) {
key = wgetch(menu);
if (key < 256 && isalpha(key))
@@ -279,14 +289,16 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
i = max_choice;
else {
for (i = choice + 1; i < max_choice; i++) {
j = first_alpha(items[(scroll + i) * 2 + 1], "YyNnMmHh");
if (key == tolower(items[(scroll + i) * 2 + 1][j]))
item_set(scroll + i);
j = first_alpha(item_str(), "YyNnMmHh");
if (key == tolower(item_str()[j]))
break;
}
if (i == max_choice)
for (i = 0; i < max_choice; i++) {
j = first_alpha(items [(scroll + i) * 2 + 1], "YyNnMmHh");
if (key == tolower(items[(scroll + i) * 2 + 1][j]))
item_set(scroll + i);
j = first_alpha(item_str(), "YyNnMmHh");
if (key == tolower(item_str()[j]))
break;
}
}
@@ -311,7 +323,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
print_item(scroll+choice, choice, FALSE);
if ((choice > max_choice - 3) &&
(scroll + max_choice < item_no)) {
(scroll + max_choice < item_count())) {
/* Scroll menu up */
do_scroll(menu, &scroll, 1);
@@ -334,7 +346,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
} else if (key == KEY_NPAGE) {
for (i = 0; (i < max_choice); i++) {
if (scroll + max_choice < item_no) {
if (scroll + max_choice < item_count()) {
do_scroll(menu, &scroll, 1);
print_item(scroll+max_choice-1,
max_choice - 1, FALSE);
@@ -348,8 +360,8 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
print_item(scroll + choice, choice, TRUE);
print_arrows(dialog, item_no, scroll,
box_y, box_x + ITEM_IDENT + 1, menu_height);
print_arrows(dialog, item_count(), scroll,
box_y, box_x + item_x + 1, menu_height);
wnoutrefresh(dialog);
wrefresh(menu);
@@ -362,7 +374,7 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
case TAB:
case KEY_RIGHT:
button = ((key == KEY_LEFT ? --button : ++button) < 0)
? 2 : (button > 2 ? 0 : button);
? 4 : (button > 4 ? 0 : button);
print_buttons(dialog, height, width, button);
wrefresh(menu);
@@ -373,53 +385,52 @@ int dialog_menu(const char *title, const char *prompt, int height, int width,
case 'n':
case 'm':
case '/':
/* save scroll info */
if ((f = fopen("lxdialog.scrltmp", "w")) != NULL) {
fprintf(f, "%d\n", scroll);
fclose(f);
}
delwin(dialog);
fprintf(stderr, "%s\n", items[(scroll + choice) * 2]);
switch (key) {
case 's':
return 3;
case 'y':
return 3;
case 'n':
return 4;
case 'm':
return 5;
case ' ':
return 6;
case '/':
return 7;
}
return 0;
case 'h':
case '?':
button = 2;
case 'z':
case '\n':
/* save scroll info */
*s_scroll = scroll;
delwin(menu);
delwin(dialog);
if (button == 2)
fprintf(stderr, "%s \"%s\"\n",
items[(scroll + choice) * 2],
items[(scroll + choice) * 2 + 1] +
first_alpha(items [(scroll + choice) * 2 + 1], ""));
else
fprintf(stderr, "%s\n",
items[(scroll + choice) * 2]);
remove("lxdialog.scrltmp");
return button;
item_set(scroll + choice);
item_set_selected(1);
switch (key) {
case 'h':
case '?':
return 2;
case 's':
case 'y':
return 5;
case 'n':
return 6;
case 'm':
return 7;
case ' ':
return 8;
case '/':
return 9;
case 'z':
return 10;
case '\n':
return button;
}
return 0;
case 'e':
case 'x':
key = ESC;
case ESC:
key = KEY_ESC;
break;
case KEY_ESC:
key = on_key_esc(menu);
break;
case KEY_RESIZE:
on_key_resize();
delwin(menu);
delwin(dialog);
goto do_resize;
}
}
delwin(menu);
delwin(dialog);
remove("lxdialog.scrltmp");
return -1; /* ESC pressed */
return key; /* ESC pressed */
}

View File

@@ -1,71 +0,0 @@
/*
* msgbox.c -- implements the message box and info box
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcapw@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
/*
* Display a message box. Program will pause and display an "OK" button
* if the parameter 'pause' is non-zero.
*/
int dialog_msgbox(const char *title, const char *prompt, int height, int width,
int pause)
{
int i, x, y, key = 0;
WINDOW *dialog;
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
draw_shadow(stdscr, y, x, height, width);
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
print_title(dialog, title, width);
wattrset(dialog, dialog_attr);
print_autowrap(dialog, prompt, width - 2, 1, 2);
if (pause) {
wattrset(dialog, border_attr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
waddch(dialog, ACS_RTEE);
print_button(dialog, " Ok ", height - 2, width / 2 - 4, TRUE);
wrefresh(dialog);
while (key != ESC && key != '\n' && key != ' ' &&
key != 'O' && key != 'o' && key != 'X' && key != 'x')
key = wgetch(dialog);
} else {
key = '\n';
wrefresh(dialog);
}
delwin(dialog);
return key == ESC ? -1 : 0;
}

View File

@@ -22,59 +22,80 @@
#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, int height, int width);
static void print_position(WINDOW * win);
static int hscroll;
static int begin_reached, end_reached, page_length;
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, update_text_fn update_text,
void *data)
{
print_page(box, boxh, boxw, update_text, data);
print_position(dialog);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
static int hscroll, fd, file_size, bytes_read;
static int begin_reached = 1, end_reached, page_length;
static char *buf, *page;
/*
* 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 *file, int height, int width)
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, fpos, key = 0;
int passed_end;
char search_term[MAX_LEN + 1];
WINDOW *dialog, *text;
int i, x, y, cur_x, cur_y, key = 0;
int height, width, boxh, boxw;
WINDOW *dialog, *box;
bool done = false;
search_term[0] = '\0'; /* no search term entered yet */
begin_reached = 1;
end_reached = 0;
page_length = 0;
hscroll = 0;
buf = tbuf;
page = buf; /* page is pointer to start of page to be displayed */
/* Open input file for reading */
if ((fd = open(file, O_RDONLY)) == -1) {
endwin();
fprintf(stderr, "\nCan't open input file in dialog_textbox().\n");
exit(-1);
if (_vscroll && *_vscroll) {
begin_reached = 0;
for (i = 0; i < *_vscroll; i++)
get_line();
}
/* Get file size. Actually, 'file_size' is the real file size - 1,
since it's only the last byte offset from the beginning */
if ((file_size = lseek(fd, 0, SEEK_END)) == -1) {
endwin();
fprintf(stderr, "\nError getting file size in dialog_textbox().\n");
exit(-1);
}
/* Restore file pointer to beginning of file after getting file size */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
/* Allocate space for read buffer */
if ((buf = malloc(BUF_SIZE + 1)) == NULL) {
endwin();
fprintf(stderr, "\nCan't allocate memory in dialog_textbox().\n");
exit(-1);
}
if ((bytes_read = read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr, "\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0'; /* mark end of valid data */
page = buf; /* page is pointer to start of page to be displayed */
if (_hscroll)
hscroll = *_hscroll;
do_resize:
getmaxyx(stdscr, height, width);
if (height < 8 || width < 8)
return -ERRDISPLAYTOOSMALL;
if (initial_height != 0)
height = initial_height;
else
if (height > 4)
height -= 4;
else
height = 0;
if (initial_width != 0)
width = initial_width;
else
if (width > 5)
width -= 5;
else
width = 0;
/* center dialog box on screen */
x = (COLS - width) / 2;
@@ -85,182 +106,108 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
/* Create window for text region, used for scrolling text */
text = subwin(dialog, height - 4, width - 2, y + 1, x + 1);
wattrset(text, dialog_attr);
wbkgdset(text, dialog_attr & A_COLOR);
/* Create window for box region, used for scrolling text */
boxh = height - 4;
boxw = width - 2;
box = subwin(dialog, boxh, boxw, y + 1, x + 1);
wattrset(box, dlg.dialog.atr);
wbkgdset(box, dlg.dialog.atr & A_COLOR);
keypad(text, TRUE);
keypad(box, TRUE);
/* register the new window, along with its borders */
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
draw_box(dialog, 0, 0, height, width,
dlg.dialog.atr, dlg.border.atr);
wattrset(dialog, border_attr);
wattrset(dialog, dlg.border.atr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
wbkgdset(dialog, dialog_attr & A_COLOR);
wattrset(dialog, dlg.dialog.atr);
wbkgdset(dialog, dlg.dialog.atr & A_COLOR);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
print_button(dialog, " Exit ", height - 2, width / 2 - 4, TRUE);
print_button(dialog, gettext(" Exit "), height - 2, width / 2 - 4, TRUE);
wnoutrefresh(dialog);
getyx(dialog, cur_y, cur_x); /* Save cursor position */
/* Print first page of text */
attr_clear(text, height - 4, width - 2, dialog_attr);
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
attr_clear(box, boxh, boxw, dlg.dialog.atr);
refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x, update_text,
data);
while ((key != ESC) && (key != '\n')) {
while (!done) {
key = wgetch(dialog);
switch (key) {
case 'E': /* Exit */
case 'e':
case 'X':
case 'x':
delwin(dialog);
free(buf);
close(fd);
return 0;
case 'q':
case '\n':
done = true;
break;
case 'g': /* First page */
case KEY_HOME:
if (!begin_reached) {
begin_reached = 1;
/* First page not in buffer? */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if (fpos > bytes_read) { /* Yes, we have to read it in */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in "
"dialog_textbox().\n");
exit(-1);
}
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr, "\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0';
}
page = buf;
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x, update_text,
data);
}
break;
case 'G': /* Last page */
case KEY_END:
end_reached = 1;
/* Last page not in buffer? */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if (fpos < file_size) { /* Yes, we have to read it in */
if (lseek(fd, -BUF_SIZE, SEEK_END) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr, "\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0';
}
page = buf + bytes_read;
back_lines(height - 4);
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
/* point to last char in buf */
page = buf + strlen(buf);
back_lines(boxh);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case 'K': /* Previous line */
case 'k':
case KEY_UP:
if (!begin_reached) {
back_lines(page_length + 1);
if (begin_reached)
break;
/* We don't call print_page() here but use scrolling to ensure
faster screen update. However, 'end_reached' and
'page_length' should still be updated, and 'page' should
point to start of next page. This is done by calling
get_line() in the following 'for' loop. */
scrollok(text, TRUE);
wscrl(text, -1); /* Scroll text region down one line */
scrollok(text, FALSE);
page_length = 0;
passed_end = 0;
for (i = 0; i < height - 4; i++) {
if (!i) {
/* print first line of page */
print_line(text, 0, width - 2);
wnoutrefresh(text);
} else
/* Called to update 'end_reached' and 'page' */
get_line();
if (!passed_end)
page_length++;
if (end_reached && !passed_end)
passed_end = 1;
}
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
back_lines(page_length + 1);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case 'B': /* Previous page */
case 'b':
case 'u':
case KEY_PPAGE:
if (begin_reached)
break;
back_lines(page_length + height - 4);
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
back_lines(page_length + boxh);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case 'J': /* Next line */
case 'j':
case KEY_DOWN:
if (!end_reached) {
begin_reached = 0;
scrollok(text, TRUE);
scroll(text); /* Scroll text region up one line */
scrollok(text, FALSE);
print_line(text, height - 5, width - 2);
wnoutrefresh(text);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
}
if (end_reached)
break;
back_lines(page_length - 1);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case KEY_NPAGE: /* Next page */
case ' ':
case 'd':
if (end_reached)
break;
begin_reached = 0;
print_page(text, height - 4, width - 2);
print_position(dialog, height, width);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case '0': /* Beginning of line */
case 'H': /* Scroll left */
@@ -275,9 +222,8 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
hscroll--;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
print_page(text, height - 4, width - 2);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case 'L': /* Scroll right */
case 'l':
@@ -287,140 +233,97 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
hscroll++;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
print_page(text, height - 4, width - 2);
wmove(dialog, cur_y, cur_x);
wrefresh(dialog);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case ESC:
case KEY_ESC:
if (on_key_esc(dialog) == KEY_ESC)
done = true;
break;
case KEY_RESIZE:
back_lines(height);
delwin(box);
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);
free(buf);
close(fd);
return -1; /* ESC pressed */
if (_vscroll) {
const char *s;
s = buf;
*_vscroll = 0;
back_lines(page_length);
while (s < page && (s = strchr(s, '\n'))) {
(*_vscroll)++;
s++;
}
}
if (_hscroll)
*_hscroll = hscroll;
return key;
}
/*
* Go back 'n' lines in text file. Called by dialog_textbox().
* Go back 'n' lines in text. Called by dialog_textbox().
* 'page' will be updated to point to the desired line in 'buf'.
*/
static void back_lines(int n)
{
int i, fpos;
int i;
begin_reached = 0;
/* We have to distinguish between end_reached and !end_reached
since at end of file, the line is not ended by a '\n'.
The code inside 'if' basically does a '--page' to move one
character backward so as to skip '\n' of the previous line */
if (!end_reached) {
/* Either beginning of buffer or beginning of file reached? */
if (page == buf) {
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in "
"back_lines().\n");
exit(-1);
/* Go back 'n' lines */
for (i = 0; i < n; i++) {
if (*page == '\0') {
if (end_reached) {
end_reached = 0;
continue;
}
if (fpos > bytes_read) { /* Not beginning of file yet */
/* We've reached beginning of buffer, but not beginning of
file yet, so read previous part of file into buffer.
Note that we only move backward for BUF_SIZE/2 bytes,
but not BUF_SIZE bytes to avoid re-reading again in
print_page() later */
/* Really possible to move backward BUF_SIZE/2 bytes? */
if (fpos < BUF_SIZE / 2 + bytes_read) {
/* No, move less then */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in "
"back_lines().\n");
exit(-1);
}
page = buf + fpos - bytes_read;
} else { /* Move backward BUF_SIZE/2 bytes */
if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer "
"in back_lines().\n");
exit(-1);
}
page = buf + BUF_SIZE / 2;
}
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr, "\nError reading file in back_lines().\n");
exit(-1);
}
buf[bytes_read] = '\0';
} else { /* Beginning of file reached */
}
if (page == buf) {
begin_reached = 1;
return;
}
page--;
do {
if (page == buf) {
begin_reached = 1;
return;
}
}
if (*(--page) != '\n') { /* '--page' here */
/* Something's wrong... */
endwin();
fprintf(stderr, "\nInternal error in back_lines().\n");
exit(-1);
}
page--;
} while (*page != '\n');
page++;
}
/* Go back 'n' lines */
for (i = 0; i < n; i++)
do {
if (page == buf) {
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in back_lines().\n");
exit(-1);
}
if (fpos > bytes_read) {
/* Really possible to move backward BUF_SIZE/2 bytes? */
if (fpos < BUF_SIZE / 2 + bytes_read) {
/* No, move less then */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer "
"in back_lines().\n");
exit(-1);
}
page = buf + fpos - bytes_read;
} else { /* Move backward BUF_SIZE/2 bytes */
if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer"
" in back_lines().\n");
exit(-1);
}
page = buf + BUF_SIZE / 2;
}
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr, "\nError reading file in "
"back_lines().\n");
exit(-1);
}
buf[bytes_read] = '\0';
} else { /* Beginning of file reached */
begin_reached = 1;
return;
}
}
} while (*(--page) != '\n');
page++;
}
/*
* 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);
@@ -433,11 +336,10 @@ 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)
{
int y, x;
char *line;
line = get_line();
@@ -446,10 +348,10 @@ static void print_line(WINDOW * win, int row, int width)
waddch(win, ' ');
waddnstr(win, line, MIN(strlen(line), width - 2));
getyx(win, y, x);
/* Clear 'residue' of previous line */
#if OLD_NCURSES
{
int x = getcurx(win);
int i;
for (i = 0; i < width - x; i++)
waddch(win, ' ');
@@ -466,35 +368,14 @@ static void print_line(WINDOW * win, int row, int width)
*/
static char *get_line(void)
{
int i = 0, fpos;
int i = 0;
static char line[MAX_LEN + 1];
end_reached = 0;
while (*page != '\n') {
if (*page == '\0') {
/* Either end of file or end of buffer reached */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in "
"get_line().\n");
exit(-1);
}
if (fpos < file_size) { /* Not end of file yet */
/* We've reached end of buffer, but not end of file yet,
so read next part of file into buffer */
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
fprintf(stderr, "\nError reading file in get_line().\n");
exit(-1);
}
buf[bytes_read] = '\0';
page = buf;
} else {
if (!end_reached)
end_reached = 1;
break;
}
end_reached = 1;
break;
} else if (i < MAX_LEN)
line[i++] = *(page++);
else {
@@ -507,7 +388,7 @@ static char *get_line(void)
if (i <= MAX_LEN)
line[i] = '\0';
if (!end_reached)
page++; /* move pass '\n' */
page++; /* move past '\n' */
return line;
}
@@ -515,19 +396,13 @@ static char *get_line(void)
/*
* Print current position
*/
static void print_position(WINDOW * win, int height, int width)
static void print_position(WINDOW * win)
{
int fpos, percent;
int percent;
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
fprintf(stderr, "\nError moving file pointer in print_position().\n");
exit(-1);
}
wattrset(win, position_indicator_attr);
wbkgdset(win, position_indicator_attr & A_COLOR);
percent = !file_size ?
100 : ((fpos - bytes_read + page - buf) * 100) / file_size;
wmove(win, height - 3, width - 9);
wattrset(win, dlg.position_indicator.atr);
wbkgdset(win, dlg.position_indicator.atr & A_COLOR);
percent = (page - buf) * 100 / strlen(buf);
wmove(win, getmaxy(win) - 3, getmaxx(win) - 9);
wprintw(win, "(%3d%%)", percent);
}

View File

@@ -19,87 +19,222 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdarg.h>
#include "dialog.h"
/* use colors by default? */
bool use_colors = 1;
/* Needed in signal handler in mconf.c */
int saved_x, saved_y;
const char *backtitle = NULL;
struct dialog_info dlg;
static void set_mono_theme(void)
{
dlg.screen.atr = A_NORMAL;
dlg.shadow.atr = A_NORMAL;
dlg.dialog.atr = A_NORMAL;
dlg.title.atr = A_BOLD;
dlg.border.atr = A_NORMAL;
dlg.button_active.atr = A_REVERSE;
dlg.button_inactive.atr = A_DIM;
dlg.button_key_active.atr = A_REVERSE;
dlg.button_key_inactive.atr = A_BOLD;
dlg.button_label_active.atr = A_REVERSE;
dlg.button_label_inactive.atr = A_NORMAL;
dlg.inputbox.atr = A_NORMAL;
dlg.inputbox_border.atr = A_NORMAL;
dlg.searchbox.atr = A_NORMAL;
dlg.searchbox_title.atr = A_BOLD;
dlg.searchbox_border.atr = A_NORMAL;
dlg.position_indicator.atr = A_BOLD;
dlg.menubox.atr = A_NORMAL;
dlg.menubox_border.atr = A_NORMAL;
dlg.item.atr = A_NORMAL;
dlg.item_selected.atr = A_REVERSE;
dlg.tag.atr = A_BOLD;
dlg.tag_selected.atr = A_REVERSE;
dlg.tag_key.atr = A_BOLD;
dlg.tag_key_selected.atr = A_REVERSE;
dlg.check.atr = A_BOLD;
dlg.check_selected.atr = A_REVERSE;
dlg.uarrow.atr = A_BOLD;
dlg.darrow.atr = A_BOLD;
}
#define DLG_COLOR(dialog, f, b, h) \
do { \
dlg.dialog.fg = (f); \
dlg.dialog.bg = (b); \
dlg.dialog.hl = (h); \
} while (0)
static void set_classic_theme(void)
{
DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true);
DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true);
DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true);
DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true);
DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true);
DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true);
DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false);
DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true);
DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true);
DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true);
DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true);
DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true);
DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true);
DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true);
DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true);
DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true);
DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true);
DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true);
DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false);
DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true);
DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true);
DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true);
}
static void set_blackbg_theme(void)
{
DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true);
DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);
DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);
DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false);
DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);
DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false);
DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false);
DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true);
DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false);
DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false);
DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true);
DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false);
DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true);
DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true);
DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);
DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false);
DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true);
DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false);
DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false);
DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false);
DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true);
DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false);
DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true);
DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false);
DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true);
DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
}
static void set_bluetitle_theme(void)
{
set_classic_theme();
DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true);
DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true);
DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true);
DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true);
}
/*
* Attribute values, default is for mono display
* Select color theme
*/
chtype attributes[] = {
A_NORMAL, /* screen_attr */
A_NORMAL, /* shadow_attr */
A_NORMAL, /* dialog_attr */
A_BOLD, /* title_attr */
A_NORMAL, /* border_attr */
A_REVERSE, /* button_active_attr */
A_DIM, /* button_inactive_attr */
A_REVERSE, /* button_key_active_attr */
A_BOLD, /* button_key_inactive_attr */
A_REVERSE, /* button_label_active_attr */
A_NORMAL, /* button_label_inactive_attr */
A_NORMAL, /* inputbox_attr */
A_NORMAL, /* inputbox_border_attr */
A_NORMAL, /* searchbox_attr */
A_BOLD, /* searchbox_title_attr */
A_NORMAL, /* searchbox_border_attr */
A_BOLD, /* position_indicator_attr */
A_NORMAL, /* menubox_attr */
A_NORMAL, /* menubox_border_attr */
A_NORMAL, /* item_attr */
A_REVERSE, /* item_selected_attr */
A_BOLD, /* tag_attr */
A_REVERSE, /* tag_selected_attr */
A_BOLD, /* tag_key_attr */
A_REVERSE, /* tag_key_selected_attr */
A_BOLD, /* check_attr */
A_REVERSE, /* check_selected_attr */
A_BOLD, /* uarrow_attr */
A_BOLD /* darrow_attr */
};
static int set_theme(const char *theme)
{
int use_color = 1;
if (!theme)
set_bluetitle_theme();
else if (strcmp(theme, "classic") == 0)
set_classic_theme();
else if (strcmp(theme, "bluetitle") == 0)
set_bluetitle_theme();
else if (strcmp(theme, "blackbg") == 0)
set_blackbg_theme();
else if (strcmp(theme, "mono") == 0)
use_color = 0;
#include "colors.h"
return use_color;
}
static void init_one_color(struct dialog_color *color)
{
static int pair = 0;
pair++;
init_pair(pair, color->fg, color->bg);
if (color->hl)
color->atr = A_BOLD | COLOR_PAIR(pair);
else
color->atr = COLOR_PAIR(pair);
}
static void init_dialog_colors(void)
{
init_one_color(&dlg.screen);
init_one_color(&dlg.shadow);
init_one_color(&dlg.dialog);
init_one_color(&dlg.title);
init_one_color(&dlg.border);
init_one_color(&dlg.button_active);
init_one_color(&dlg.button_inactive);
init_one_color(&dlg.button_key_active);
init_one_color(&dlg.button_key_inactive);
init_one_color(&dlg.button_label_active);
init_one_color(&dlg.button_label_inactive);
init_one_color(&dlg.inputbox);
init_one_color(&dlg.inputbox_border);
init_one_color(&dlg.searchbox);
init_one_color(&dlg.searchbox_title);
init_one_color(&dlg.searchbox_border);
init_one_color(&dlg.position_indicator);
init_one_color(&dlg.menubox);
init_one_color(&dlg.menubox_border);
init_one_color(&dlg.item);
init_one_color(&dlg.item_selected);
init_one_color(&dlg.tag);
init_one_color(&dlg.tag_selected);
init_one_color(&dlg.tag_key);
init_one_color(&dlg.tag_key_selected);
init_one_color(&dlg.check);
init_one_color(&dlg.check_selected);
init_one_color(&dlg.uarrow);
init_one_color(&dlg.darrow);
}
/*
* Table of color values
* Setup for color display
*/
int color_table[][3] = {
{SCREEN_FG, SCREEN_BG, SCREEN_HL},
{SHADOW_FG, SHADOW_BG, SHADOW_HL},
{DIALOG_FG, DIALOG_BG, DIALOG_HL},
{TITLE_FG, TITLE_BG, TITLE_HL},
{BORDER_FG, BORDER_BG, BORDER_HL},
{BUTTON_ACTIVE_FG, BUTTON_ACTIVE_BG, BUTTON_ACTIVE_HL},
{BUTTON_INACTIVE_FG, BUTTON_INACTIVE_BG, BUTTON_INACTIVE_HL},
{BUTTON_KEY_ACTIVE_FG, BUTTON_KEY_ACTIVE_BG, BUTTON_KEY_ACTIVE_HL},
{BUTTON_KEY_INACTIVE_FG, BUTTON_KEY_INACTIVE_BG,
BUTTON_KEY_INACTIVE_HL},
{BUTTON_LABEL_ACTIVE_FG, BUTTON_LABEL_ACTIVE_BG,
BUTTON_LABEL_ACTIVE_HL},
{BUTTON_LABEL_INACTIVE_FG, BUTTON_LABEL_INACTIVE_BG,
BUTTON_LABEL_INACTIVE_HL},
{INPUTBOX_FG, INPUTBOX_BG, INPUTBOX_HL},
{INPUTBOX_BORDER_FG, INPUTBOX_BORDER_BG, INPUTBOX_BORDER_HL},
{SEARCHBOX_FG, SEARCHBOX_BG, SEARCHBOX_HL},
{SEARCHBOX_TITLE_FG, SEARCHBOX_TITLE_BG, SEARCHBOX_TITLE_HL},
{SEARCHBOX_BORDER_FG, SEARCHBOX_BORDER_BG, SEARCHBOX_BORDER_HL},
{POSITION_INDICATOR_FG, POSITION_INDICATOR_BG, POSITION_INDICATOR_HL},
{MENUBOX_FG, MENUBOX_BG, MENUBOX_HL},
{MENUBOX_BORDER_FG, MENUBOX_BORDER_BG, MENUBOX_BORDER_HL},
{ITEM_FG, ITEM_BG, ITEM_HL},
{ITEM_SELECTED_FG, ITEM_SELECTED_BG, ITEM_SELECTED_HL},
{TAG_FG, TAG_BG, TAG_HL},
{TAG_SELECTED_FG, TAG_SELECTED_BG, TAG_SELECTED_HL},
{TAG_KEY_FG, TAG_KEY_BG, TAG_KEY_HL},
{TAG_KEY_SELECTED_FG, TAG_KEY_SELECTED_BG, TAG_KEY_SELECTED_HL},
{CHECK_FG, CHECK_BG, CHECK_HL},
{CHECK_SELECTED_FG, CHECK_SELECTED_BG, CHECK_SELECTED_HL},
{UARROW_FG, UARROW_BG, UARROW_HL},
{DARROW_FG, DARROW_BG, DARROW_HL},
}; /* color_table */
static void color_setup(const char *theme)
{
int use_color;
use_color = set_theme(theme);
if (use_color && has_colors()) {
start_color();
init_dialog_colors();
} else
set_mono_theme();
}
/*
* Set window to attribute 'attr'
@@ -119,13 +254,13 @@ void attr_clear(WINDOW * win, int height, int width, chtype attr)
void dialog_clear(void)
{
attr_clear(stdscr, LINES, COLS, screen_attr);
attr_clear(stdscr, LINES, COLS, dlg.screen.atr);
/* Display background title if it exists ... - SLH */
if (backtitle != NULL) {
if (dlg.backtitle != NULL) {
int i;
wattrset(stdscr, screen_attr);
mvwaddstr(stdscr, 0, 1, (char *)backtitle);
wattrset(stdscr, dlg.screen.atr);
mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
wmove(stdscr, 1, 1);
for (i = 1; i < COLS - 1; i++)
waddch(stdscr, ACS_HLINE);
@@ -136,44 +271,45 @@ void dialog_clear(void)
/*
* Do some initialization for dialog
*/
void init_dialog(void)
int init_dialog(const char *backtitle)
{
int height, width;
initscr(); /* Init curses */
/* Get current cursor position for signal handler in mconf.c */
getyx(stdscr, saved_y, saved_x);
getmaxyx(stdscr, height, width);
if (height < 19 || width < 80) {
endwin();
return -ERRDISPLAYTOOSMALL;
}
dlg.backtitle = backtitle;
color_setup(getenv("MENUCONFIG_COLOR"));
keypad(stdscr, TRUE);
cbreak();
noecho();
if (use_colors) /* Set up colors */
color_setup();
dialog_clear();
return 0;
}
/*
* Setup for color display
*/
void color_setup(void)
void set_dialog_backtitle(const char *backtitle)
{
int i;
if (has_colors()) { /* Terminal supports color? */
start_color();
/* Initialize color pairs */
for (i = 0; i < ATTRIBUTE_COUNT; i++)
init_pair(i + 1, color_table[i][0], color_table[i][1]);
/* Setup color attributes */
for (i = 0; i < ATTRIBUTE_COUNT; i++)
attributes[i] = C_ATTR(color_table[i][2], i + 1);
}
dlg.backtitle = backtitle;
}
/*
* End using dialog functions.
*/
void end_dialog(void)
void end_dialog(int x, int y)
{
/* move cursor back to original position */
move(y, x);
refresh();
endwin();
}
@@ -184,7 +320,7 @@ void print_title(WINDOW *dialog, const char *title, int width)
{
if (title) {
int tlen = MIN(width - 2, strlen(title));
wattrset(dialog, title_attr);
wattrset(dialog, dlg.title.atr);
mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
waddch(dialog, ' ');
@@ -224,7 +360,7 @@ void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
newl = 1;
word = tempstr;
while (word && *word) {
sp = index(word, ' ');
sp = strchr(word, ' ');
if (sp)
*sp++ = 0;
@@ -236,7 +372,7 @@ void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
if (wlen > room ||
(newl && wlen < 4 && sp
&& wlen + 1 + strlen(sp) > room
&& (!(sp2 = index(sp, ' '))
&& (!(sp2 = strchr(sp, ' '))
|| wlen + 1 + (sp2 - sp) > room))) {
cur_y++;
cur_x = x;
@@ -264,21 +400,23 @@ void print_button(WINDOW * win, const char *label, int y, int x, int selected)
int i, temp;
wmove(win, y, x);
wattrset(win, selected ? button_active_attr : button_inactive_attr);
wattrset(win, selected ? dlg.button_active.atr
: dlg.button_inactive.atr);
waddstr(win, "<");
temp = strspn(label, " ");
label += temp;
wattrset(win, selected ? button_label_active_attr
: button_label_inactive_attr);
wattrset(win, selected ? dlg.button_label_active.atr
: dlg.button_label_inactive.atr);
for (i = 0; i < temp; i++)
waddch(win, ' ');
wattrset(win, selected ? button_key_active_attr
: button_key_inactive_attr);
wattrset(win, selected ? dlg.button_key_active.atr
: dlg.button_key_inactive.atr);
waddch(win, label[0]);
wattrset(win, selected ? button_label_active_attr
: button_label_inactive_attr);
wattrset(win, selected ? dlg.button_label_active.atr
: dlg.button_label_inactive.atr);
waddstr(win, (char *)label + 1);
wattrset(win, selected ? button_active_attr : button_inactive_attr);
wattrset(win, selected ? dlg.button_active.atr
: dlg.button_inactive.atr);
waddstr(win, ">");
wmove(win, y, x + temp + 1);
}
@@ -326,7 +464,7 @@ void draw_shadow(WINDOW * win, int y, int x, int height, int width)
int i;
if (has_colors()) { /* Whether terminal supports color? */
wattrset(win, shadow_attr);
wattrset(win, dlg.shadow.atr);
wmove(win, y + height, x + 2);
for (i = 0; i < width; i++)
waddch(win, winch(win) & A_CHARTEXT);
@@ -360,3 +498,167 @@ int first_alpha(const char *string, const char *exempt)
return 0;
}
/*
* ncurses uses ESC to detect escaped char sequences. This resutl in
* a small timeout before ESC is actually delivered to the application.
* lxdialog suggest <ESC> <ESC> which is correctly translated to two
* times esc. But then we need to ignore the second esc to avoid stepping
* out one menu too much. Filter away all escaped key sequences since
* keypad(FALSE) turn off ncurses support for escape sequences - and thats
* needed to make notimeout() do as expected.
*/
int on_key_esc(WINDOW *win)
{
int key;
int key2;
int key3;
nodelay(win, TRUE);
keypad(win, FALSE);
key = wgetch(win);
key2 = wgetch(win);
do {
key3 = wgetch(win);
} while (key3 != ERR);
nodelay(win, FALSE);
keypad(win, TRUE);
if (key == KEY_ESC && key2 == ERR)
return KEY_ESC;
else if (key != ERR && key != KEY_ESC && key2 == ERR)
ungetch(key);
return -1;
}
/* redraw screen in new size */
int on_key_resize(void)
{
dialog_clear();
return KEY_RESIZE;
}
struct dialog_list *item_cur;
struct dialog_list item_nil;
struct dialog_list *item_head;
void item_reset(void)
{
struct dialog_list *p, *next;
for (p = item_head; p; p = next) {
next = p->next;
free(p);
}
item_head = NULL;
item_cur = &item_nil;
}
void item_make(const char *fmt, ...)
{
va_list ap;
struct dialog_list *p = malloc(sizeof(*p));
if (item_head)
item_cur->next = p;
else
item_head = p;
item_cur = p;
memset(p, 0, sizeof(*p));
va_start(ap, fmt);
vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
va_end(ap);
}
void item_add_str(const char *fmt, ...)
{
va_list ap;
size_t avail;
avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
va_start(ap, fmt);
vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
avail, fmt, ap);
item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
va_end(ap);
}
void item_set_tag(char tag)
{
item_cur->node.tag = tag;
}
void item_set_data(void *ptr)
{
item_cur->node.data = ptr;
}
void item_set_selected(int val)
{
item_cur->node.selected = val;
}
int item_activate_selected(void)
{
item_foreach()
if (item_is_selected())
return 1;
return 0;
}
void *item_data(void)
{
return item_cur->node.data;
}
char item_tag(void)
{
return item_cur->node.tag;
}
int item_count(void)
{
int n = 0;
struct dialog_list *p;
for (p = item_head; p; p = p->next)
n++;
return n;
}
void item_set(int n)
{
int i = 0;
item_foreach()
if (i++ == n)
return;
}
int item_n(void)
{
int n = 0;
struct dialog_list *p;
for (p = item_head; p; p = p->next) {
if (p == item_cur)
return n;
n++;
}
return 0;
}
const char *item_str(void)
{
return item_cur->node.str;
}
int item_is_selected(void)
{
return (item_cur->node.selected != 0);
}
int item_is_tag(char tag)
{
return (item_cur->node.tag == tag);
}

View File

@@ -29,8 +29,8 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
int x = width / 2 - 10;
int y = height - 2;
print_button(dialog, " Yes ", y, x, selected == 0);
print_button(dialog, " No ", y, x + 13, selected == 1);
print_button(dialog, gettext(" Yes "), y, x, selected == 0);
print_button(dialog, gettext(" No "), y, x + 13, selected == 1);
wmove(dialog, y, x + 1 + 13 * selected);
wrefresh(dialog);
@@ -44,6 +44,12 @@ int dialog_yesno(const char *title, const char *prompt, int height, int width)
int i, x, y, key = 0, button = 0;
WINDOW *dialog;
do_resize:
if (getmaxy(stdscr) < (height + 4))
return -ERRDISPLAYTOOSMALL;
if (getmaxx(stdscr) < (width + 4))
return -ERRDISPLAYTOOSMALL;
/* center dialog box on screen */
x = (COLS - width) / 2;
y = (LINES - height) / 2;
@@ -53,22 +59,23 @@ int dialog_yesno(const char *title, const char *prompt, int height, int width)
dialog = newwin(height, width, y, x);
keypad(dialog, TRUE);
draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
wattrset(dialog, border_attr);
draw_box(dialog, 0, 0, height, width,
dlg.dialog.atr, dlg.border.atr);
wattrset(dialog, dlg.border.atr);
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
for (i = 0; i < width - 2; i++)
waddch(dialog, ACS_HLINE);
wattrset(dialog, dialog_attr);
wattrset(dialog, dlg.dialog.atr);
waddch(dialog, ACS_RTEE);
print_title(dialog, title, width);
wattrset(dialog, dialog_attr);
wattrset(dialog, dlg.dialog.atr);
print_autowrap(dialog, prompt, width - 2, 1, 3);
print_buttons(dialog, height, width, 0);
while (key != ESC) {
while (key != KEY_ESC) {
key = wgetch(dialog);
switch (key) {
case 'Y':
@@ -92,11 +99,16 @@ int dialog_yesno(const char *title, const char *prompt, int height, int width)
case '\n':
delwin(dialog);
return button;
case ESC:
case KEY_ESC:
key = on_key_esc(dialog);
break;
case KEY_RESIZE:
delwin(dialog);
on_key_resize();
goto do_resize;
}
}
delwin(dialog);
return -1; /* ESC pressed */
return key; /* ESC pressed */
}