// SPDX-License-Identifier: GPL-2.0+ /* * util . c * * ORIGINAL AUTHOR : Savio Lam ( lam836 @ cs . cuhk . hk ) * MODIFIED FOR LINUX KERNEL CONFIG BY : William Roadcap ( roadcap @ cfw . com ) #include <stdarg.h>#include "dialog.h" /* Needed in signal handler in mconf.c */ int saved_x, saved_y;struct dialog_info dlg;static void set_mono_theme(void )#define DLG_COLOR(dialog, f, b, h) \do { \while (0 )static void set_classic_theme(void )true );true );false );true );true );true );false );true );false );true );true );false );true );false );true );false );true );true );true );true );true );false );true );true );true );static void set_blackbg_theme(void )true );false );false );false );true );false );false );true );false );false );false );false );false );false );true );false );false );false );true );false );true );false );true );false );false );static void set_bluetitle_theme(void )true );true );true );true );true );true );/* * Select color theme static int set_theme(const char *theme)int use_color = 1 ;if (!theme)else if (strcmp(theme, "classic" ) == 0 )else if (strcmp(theme, "bluetitle" ) == 0 )else if (strcmp(theme, "blackbg" ) == 0 )else if (strcmp(theme, "mono" ) == 0 )0 ;return use_color;static void init_one_color(struct dialog_color *color)static int pair = 0 ;if (color->hl)else static void init_dialog_colors(void )/* * Setup for color display static void color_setup(const char *theme)int use_color;if (use_color && has_colors()) {else /* * Set window to attribute ' attr ' void attr_clear(WINDOW * win, int height, int width, chtype attr)int i, j;for (i = 0 ; i < height; i++) {0 );for (j = 0 ; j < width; j++)' ' );void dialog_clear(void )int lines, columns;/* Display background title if it exists ... - SLH */ if (dlg.backtitle != NULL) {int i, len = 0 , skip = 0 ;struct subtitle_list *pos;0 , 1 , (char *)dlg.backtitle);for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {/* 3 is for the arrow and spaces */ 3 ;1 , 1 );if (len > columns - 2 ) {const char *ellipsis = "[...] " ;2 - strlen(ellipsis));for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {if (skip == 0 )else if (skip == 0 )' ' );else if (skip < strlen(pos->text)) {0 ;else if (skip == 0 )' ' );else for (i = len + 1 ; i < columns - 1 ; i++)/* * Do some initialization for dialog int init_dialog(const char *backtitle)int height, width;/* Init curses */ /* Get current cursor position for signal handler in mconf.c */ if (height < WINDOW_HEIGHT_MIN || width < WINDOW_WIDTH_MIN) {return -ERRDISPLAYTOOSMALL;"MENUCONFIG_COLOR" ));TRUE );return 0 ;void set_dialog_backtitle(const char *backtitle)void set_dialog_subtitles(struct subtitle_list *subtitles)/* * End using dialog functions . void end_dialog(int x, int y)/* move cursor back to original position */ /* Print the title of the dialog. Center the title and truncate * tile if wider than dialog ( - 2 chars ) . void print_title(WINDOW *dialog, const char *title, int width)if (title) {int tlen = MIN(width - 2 , strlen(title));0 , (width - tlen) / 2 - 1 , ' ' );0 , (width - tlen)/2 , title, tlen);' ' );/* * Print a string of text in a window , automatically wrap around to the * next line if the string is too long to fit on one line . Newline * characters ' \ n ' are properly processed . We start on a new line * if there is no room for at least 4 nonblanks following a double - space . void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)int newl, cur_x, cur_y;int prompt_len, room, wlen;char tempstr[MAX_LEN + 1 ], *word, *sp, *sp2, *newline_separator = 0 ;sizeof (tempstr), "%s" , prompt);if (prompt_len <= width - x * 2 ) { /* If prompt is short */ 2 );else {1 ;while (word && *word) {"\n " );if (sp && *sp == '\n' )if (sp)0 ;/* Wrap to next line if either the word does not fit, or it is the first word of a new sentence , and it is if (wlen > room ||4 && sp1 + strlen(sp) > room"\n " ))1 + (sp2 - sp) > room))) {/* Move to the next line if the word separator was a newline */ if (newline_separator) {0 ;else if (sp && *sp == ' ' ) {/* double space */ while (*++sp == ' ' ) ;1 ;else 0 ;/* * Print a button void print_button(WINDOW * win, const char *label, int y, int x, int selected)int i, temp;"<" );" " );for (i = 0 ; i < temp; i++)' ' );0 ]);char *)label + 1 );">" );1 );/* * Draw a rectangular box with line drawing characters void int y, int x, int height, int width,int i, j;0 );for (i = 0 ; i < height; i++) {for (j = 0 ; j < width; j++)if (!i && !j)else if (i == height - 1 && !j)else if (!i && j == width - 1 )else if (i == height - 1 && j == width - 1 )else if (!i)else if (i == height - 1 )else if (!j)else if (j == width - 1 )else ' ' );/* * Draw shadows along the right and bottom edge to give a more 3 D look * to the boxes void draw_shadow(WINDOW * win, int y, int x, int height, int width)int i;if (has_colors()) { /* Whether terminal supports color? */ 2 );for (i = 0 ; i < width; i++)for (i = y + 1 ; i < y + height + 1 ; i++) {/* * Return the position of the first alphabetic character in a string . int first_alpha(const char *string, const char *exempt)int i, in_paren = 0 , c;for (i = 0 ; i < strlen(string); i++) {if (strchr("<[(" , c))if (strchr(">])" , c) && in_paren > 0 )if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0 )return i;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 that ' s * needed to make notimeout ( ) do as expected . int on_key_esc(WINDOW *win)int key;int key2;int key3;TRUE );FALSE );do {while (key3 != ERR);FALSE );TRUE );if (key == KEY_ESC && key2 == ERR)return KEY_ESC;else if (key != ERR && key != KEY_ESC && key2 == ERR)return -1 ;/* redraw screen in new size */ int on_key_resize(void )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) {void item_make(const char *fmt, ...)struct dialog_list *p = malloc(sizeof (*p));if (item_head)else 0 , sizeof (*p));sizeof (item_cur->node.str), fmt, ap);void item_add_str(const char *fmt, ...)sizeof (item_cur->node.str) - strlen(item_cur->node.str);sizeof (item_cur->node.str) - 1 ] = '\0' ;void item_set_tag(char tag)void item_set_data(void *ptr)void item_set_selected(int val)int item_activate_selected(void )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)return n;void item_set(int n)int i = 0 ;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;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);
Messung V0.5 in Prozent C=97 H=88 G=92
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-09-27)
¤ *© Formatika GbR, Deutschland
