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/*
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* util.c
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*
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* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
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* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "dialog.h"
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struct dialog_info dlg;
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static void set_mono_theme(void)
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{
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dlg.screen.atr = A_NORMAL;
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dlg.shadow.atr = A_NORMAL;
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dlg.dialog.atr = A_NORMAL;
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dlg.title.atr = A_BOLD;
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dlg.border.atr = A_NORMAL;
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dlg.button_active.atr = A_REVERSE;
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dlg.button_inactive.atr = A_DIM;
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dlg.button_key_active.atr = A_REVERSE;
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dlg.button_key_inactive.atr = A_BOLD;
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dlg.button_label_active.atr = A_REVERSE;
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dlg.button_label_inactive.atr = A_NORMAL;
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dlg.inputbox.atr = A_NORMAL;
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dlg.inputbox_border.atr = A_NORMAL;
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dlg.searchbox.atr = A_NORMAL;
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dlg.searchbox_title.atr = A_BOLD;
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dlg.searchbox_border.atr = A_NORMAL;
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dlg.position_indicator.atr = A_BOLD;
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dlg.menubox.atr = A_NORMAL;
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dlg.menubox_border.atr = A_NORMAL;
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dlg.item.atr = A_NORMAL;
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dlg.item_selected.atr = A_REVERSE;
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dlg.tag.atr = A_BOLD;
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dlg.tag_selected.atr = A_REVERSE;
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dlg.tag_key.atr = A_BOLD;
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dlg.tag_key_selected.atr = A_REVERSE;
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dlg.check.atr = A_BOLD;
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dlg.check_selected.atr = A_REVERSE;
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dlg.uarrow.atr = A_BOLD;
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dlg.darrow.atr = A_BOLD;
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}
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#define DLG_COLOR(dialog, f, b, h) \
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do { \
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dlg.dialog.fg = (f); \
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dlg.dialog.bg = (b); \
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dlg.dialog.hl = (h); \
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} while (0)
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static void set_classic_theme(void)
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{
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DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true);
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DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true);
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DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true);
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DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true);
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DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true);
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DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true);
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DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false);
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DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true);
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DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true);
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DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true);
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DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true);
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DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true);
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DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true);
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DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true);
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DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true);
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DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true);
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DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true);
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DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true);
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DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false);
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DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true);
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DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true);
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DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true);
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}
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static void set_blackbg_theme(void)
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{
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DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true);
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DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);
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DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);
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DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false);
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DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);
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DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false);
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DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false);
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DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true);
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DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false);
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DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false);
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DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true);
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DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
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DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
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DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false);
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DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true);
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DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true);
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DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);
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DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false);
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DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true);
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DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false);
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DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false);
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DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false);
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DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true);
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DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false);
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DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true);
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DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false);
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DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true);
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DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
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DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
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}
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static void set_bluetitle_theme(void)
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{
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set_classic_theme();
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DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true);
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DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true);
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DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true);
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DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true);
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DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true);
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DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true);
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DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true);
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}
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/*
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* Select color theme
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*/
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static int set_theme(const char *theme)
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{
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int use_color = 1;
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if (!theme)
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set_bluetitle_theme();
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else if (strcmp(theme, "classic") == 0)
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set_classic_theme();
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else if (strcmp(theme, "bluetitle") == 0)
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set_bluetitle_theme();
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else if (strcmp(theme, "blackbg") == 0)
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set_blackbg_theme();
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else if (strcmp(theme, "mono") == 0)
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use_color = 0;
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return use_color;
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}
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static void init_one_color(struct dialog_color *color)
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{
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static int pair = 0;
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pair++;
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init_pair(pair, color->fg, color->bg);
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if (color->hl)
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color->atr = A_BOLD | COLOR_PAIR(pair);
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else
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color->atr = COLOR_PAIR(pair);
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}
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static void init_dialog_colors(void)
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{
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init_one_color(&dlg.screen);
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init_one_color(&dlg.shadow);
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init_one_color(&dlg.dialog);
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init_one_color(&dlg.title);
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init_one_color(&dlg.border);
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init_one_color(&dlg.button_active);
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init_one_color(&dlg.button_inactive);
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init_one_color(&dlg.button_key_active);
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init_one_color(&dlg.button_key_inactive);
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init_one_color(&dlg.button_label_active);
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init_one_color(&dlg.button_label_inactive);
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init_one_color(&dlg.inputbox);
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init_one_color(&dlg.inputbox_border);
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init_one_color(&dlg.searchbox);
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init_one_color(&dlg.searchbox_title);
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init_one_color(&dlg.searchbox_border);
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init_one_color(&dlg.position_indicator);
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init_one_color(&dlg.menubox);
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init_one_color(&dlg.menubox_border);
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init_one_color(&dlg.item);
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init_one_color(&dlg.item_selected);
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init_one_color(&dlg.tag);
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init_one_color(&dlg.tag_selected);
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init_one_color(&dlg.tag_key);
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init_one_color(&dlg.tag_key_selected);
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init_one_color(&dlg.check);
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init_one_color(&dlg.check_selected);
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init_one_color(&dlg.uarrow);
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init_one_color(&dlg.darrow);
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}
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/*
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* Setup for color display
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*/
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static void color_setup(const char *theme)
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{
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int use_color;
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use_color = set_theme(theme);
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if (use_color && has_colors()) {
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start_color();
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init_dialog_colors();
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} else
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set_mono_theme();
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}
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/*
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* Set window to attribute 'attr'
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*/
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void attr_clear(WINDOW * win, int height, int width, chtype attr)
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{
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int i, j;
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wattrset(win, attr);
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for (i = 0; i < height; i++) {
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wmove(win, i, 0);
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for (j = 0; j < width; j++)
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waddch(win, ' ');
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}
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touchwin(win);
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}
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void dialog_clear(void)
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{
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attr_clear(stdscr, LINES, COLS, dlg.screen.atr);
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/* Display background title if it exists ... - SLH */
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if (dlg.backtitle != NULL) {
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int i;
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wattrset(stdscr, dlg.screen.atr);
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mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
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wmove(stdscr, 1, 1);
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for (i = 1; i < COLS - 1; i++)
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waddch(stdscr, ACS_HLINE);
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}
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wnoutrefresh(stdscr);
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}
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/*
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* Do some initialization for dialog
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*/
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int init_dialog(const char *backtitle)
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{
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int height, width;
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initscr(); /* Init curses */
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getmaxyx(stdscr, height, width);
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if (height < 19 || width < 80) {
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endwin();
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return -ERRDISPLAYTOOSMALL;
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}
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|
279 |
|
yann@1
|
280 |
dlg.backtitle = backtitle;
|
yann@1
|
281 |
color_setup(getenv("MENUCONFIG_COLOR"));
|
yann@1
|
282 |
|
yann@1
|
283 |
keypad(stdscr, TRUE);
|
yann@1
|
284 |
cbreak();
|
yann@1
|
285 |
noecho();
|
yann@1
|
286 |
dialog_clear();
|
yann@943
|
287 |
|
yann@943
|
288 |
return 0;
|
yann@943
|
289 |
}
|
yann@943
|
290 |
|
yann@943
|
291 |
void set_dialog_backtitle(const char *backtitle)
|
yann@943
|
292 |
{
|
yann@943
|
293 |
dlg.backtitle = backtitle;
|
yann@1
|
294 |
}
|
yann@1
|
295 |
|
yann@1
|
296 |
/*
|
yann@1
|
297 |
* End using dialog functions.
|
yann@1
|
298 |
*/
|
yann@943
|
299 |
void end_dialog(int x, int y)
|
yann@1
|
300 |
{
|
yann@943
|
301 |
/* move cursor back to original position */
|
yann@943
|
302 |
move(y, x);
|
yann@943
|
303 |
refresh();
|
yann@1
|
304 |
endwin();
|
yann@1
|
305 |
}
|
yann@1
|
306 |
|
yann@1
|
307 |
/* Print the title of the dialog. Center the title and truncate
|
yann@1
|
308 |
* tile if wider than dialog (- 2 chars).
|
yann@1
|
309 |
**/
|
yann@1
|
310 |
void print_title(WINDOW *dialog, const char *title, int width)
|
yann@1
|
311 |
{
|
yann@1
|
312 |
if (title) {
|
yann@1
|
313 |
int tlen = MIN(width - 2, strlen(title));
|
yann@1
|
314 |
wattrset(dialog, dlg.title.atr);
|
yann@1
|
315 |
mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
|
yann@1
|
316 |
mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
|
yann@1
|
317 |
waddch(dialog, ' ');
|
yann@1
|
318 |
}
|
yann@1
|
319 |
}
|
yann@1
|
320 |
|
yann@1
|
321 |
/*
|
yann@1
|
322 |
* Print a string of text in a window, automatically wrap around to the
|
yann@1
|
323 |
* next line if the string is too long to fit on one line. Newline
|
yann@1
|
324 |
* characters '\n' are replaced by spaces. We start on a new line
|
yann@1
|
325 |
* if there is no room for at least 4 nonblanks following a double-space.
|
yann@1
|
326 |
*/
|
yann@1
|
327 |
void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
|
yann@1
|
328 |
{
|
yann@1
|
329 |
int newl, cur_x, cur_y;
|
yann@1
|
330 |
int i, prompt_len, room, wlen;
|
yann@1
|
331 |
char tempstr[MAX_LEN + 1], *word, *sp, *sp2;
|
yann@1
|
332 |
|
yann@1
|
333 |
strcpy(tempstr, prompt);
|
yann@1
|
334 |
|
yann@1
|
335 |
prompt_len = strlen(tempstr);
|
yann@1
|
336 |
|
yann@1
|
337 |
/*
|
yann@1
|
338 |
* Remove newlines
|
yann@1
|
339 |
*/
|
yann@1
|
340 |
for (i = 0; i < prompt_len; i++) {
|
yann@1
|
341 |
if (tempstr[i] == '\n')
|
yann@1
|
342 |
tempstr[i] = ' ';
|
yann@1
|
343 |
}
|
yann@1
|
344 |
|
yann@1
|
345 |
if (prompt_len <= width - x * 2) { /* If prompt is short */
|
yann@1
|
346 |
wmove(win, y, (width - prompt_len) / 2);
|
yann@1
|
347 |
waddstr(win, tempstr);
|
yann@1
|
348 |
} else {
|
yann@1
|
349 |
cur_x = x;
|
yann@1
|
350 |
cur_y = y;
|
yann@1
|
351 |
newl = 1;
|
yann@1
|
352 |
word = tempstr;
|
yann@1
|
353 |
while (word && *word) {
|
yann@943
|
354 |
sp = strchr(word, ' ');
|
yann@1
|
355 |
if (sp)
|
yann@1
|
356 |
*sp++ = 0;
|
yann@1
|
357 |
|
yann@1
|
358 |
/* Wrap to next line if either the word does not fit,
|
yann@1
|
359 |
or it is the first word of a new sentence, and it is
|
yann@1
|
360 |
short, and the next word does not fit. */
|
yann@1
|
361 |
room = width - cur_x;
|
yann@1
|
362 |
wlen = strlen(word);
|
yann@1
|
363 |
if (wlen > room ||
|
yann@1
|
364 |
(newl && wlen < 4 && sp
|
yann@1
|
365 |
&& wlen + 1 + strlen(sp) > room
|
yann@943
|
366 |
&& (!(sp2 = strchr(sp, ' '))
|
yann@1
|
367 |
|| wlen + 1 + (sp2 - sp) > room))) {
|
yann@1
|
368 |
cur_y++;
|
yann@1
|
369 |
cur_x = x;
|
yann@1
|
370 |
}
|
yann@1
|
371 |
wmove(win, cur_y, cur_x);
|
yann@1
|
372 |
waddstr(win, word);
|
yann@1
|
373 |
getyx(win, cur_y, cur_x);
|
yann@1
|
374 |
cur_x++;
|
yann@1
|
375 |
if (sp && *sp == ' ') {
|
yann@1
|
376 |
cur_x++; /* double space */
|
yann@1
|
377 |
while (*++sp == ' ') ;
|
yann@1
|
378 |
newl = 1;
|
yann@1
|
379 |
} else
|
yann@1
|
380 |
newl = 0;
|
yann@1
|
381 |
word = sp;
|
yann@1
|
382 |
}
|
yann@1
|
383 |
}
|
yann@1
|
384 |
}
|
yann@1
|
385 |
|
yann@1
|
386 |
/*
|
yann@1
|
387 |
* Print a button
|
yann@1
|
388 |
*/
|
yann@1
|
389 |
void print_button(WINDOW * win, const char *label, int y, int x, int selected)
|
yann@1
|
390 |
{
|
yann@1
|
391 |
int i, temp;
|
yann@1
|
392 |
|
yann@1
|
393 |
wmove(win, y, x);
|
yann@1
|
394 |
wattrset(win, selected ? dlg.button_active.atr
|
yann@1
|
395 |
: dlg.button_inactive.atr);
|
yann@1
|
396 |
waddstr(win, "<");
|
yann@1
|
397 |
temp = strspn(label, " ");
|
yann@1
|
398 |
label += temp;
|
yann@1
|
399 |
wattrset(win, selected ? dlg.button_label_active.atr
|
yann@1
|
400 |
: dlg.button_label_inactive.atr);
|
yann@1
|
401 |
for (i = 0; i < temp; i++)
|
yann@1
|
402 |
waddch(win, ' ');
|
yann@1
|
403 |
wattrset(win, selected ? dlg.button_key_active.atr
|
yann@1
|
404 |
: dlg.button_key_inactive.atr);
|
yann@1
|
405 |
waddch(win, label[0]);
|
yann@1
|
406 |
wattrset(win, selected ? dlg.button_label_active.atr
|
yann@1
|
407 |
: dlg.button_label_inactive.atr);
|
yann@1
|
408 |
waddstr(win, (char *)label + 1);
|
yann@1
|
409 |
wattrset(win, selected ? dlg.button_active.atr
|
yann@1
|
410 |
: dlg.button_inactive.atr);
|
yann@1
|
411 |
waddstr(win, ">");
|
yann@1
|
412 |
wmove(win, y, x + temp + 1);
|
yann@1
|
413 |
}
|
yann@1
|
414 |
|
yann@1
|
415 |
/*
|
yann@1
|
416 |
* Draw a rectangular box with line drawing characters
|
yann@1
|
417 |
*/
|
yann@1
|
418 |
void
|
yann@1
|
419 |
draw_box(WINDOW * win, int y, int x, int height, int width,
|
yann@1
|
420 |
chtype box, chtype border)
|
yann@1
|
421 |
{
|
yann@1
|
422 |
int i, j;
|
yann@1
|
423 |
|
yann@1
|
424 |
wattrset(win, 0);
|
yann@1
|
425 |
for (i = 0; i < height; i++) {
|
yann@1
|
426 |
wmove(win, y + i, x);
|
yann@1
|
427 |
for (j = 0; j < width; j++)
|
yann@1
|
428 |
if (!i && !j)
|
yann@1
|
429 |
waddch(win, border | ACS_ULCORNER);
|
yann@1
|
430 |
else if (i == height - 1 && !j)
|
yann@1
|
431 |
waddch(win, border | ACS_LLCORNER);
|
yann@1
|
432 |
else if (!i && j == width - 1)
|
yann@1
|
433 |
waddch(win, box | ACS_URCORNER);
|
yann@1
|
434 |
else if (i == height - 1 && j == width - 1)
|
yann@1
|
435 |
waddch(win, box | ACS_LRCORNER);
|
yann@1
|
436 |
else if (!i)
|
yann@1
|
437 |
waddch(win, border | ACS_HLINE);
|
yann@1
|
438 |
else if (i == height - 1)
|
yann@1
|
439 |
waddch(win, box | ACS_HLINE);
|
yann@1
|
440 |
else if (!j)
|
yann@1
|
441 |
waddch(win, border | ACS_VLINE);
|
yann@1
|
442 |
else if (j == width - 1)
|
yann@1
|
443 |
waddch(win, box | ACS_VLINE);
|
yann@1
|
444 |
else
|
yann@1
|
445 |
waddch(win, box | ' ');
|
yann@1
|
446 |
}
|
yann@1
|
447 |
}
|
yann@1
|
448 |
|
yann@1
|
449 |
/*
|
yann@1
|
450 |
* Draw shadows along the right and bottom edge to give a more 3D look
|
yann@1
|
451 |
* to the boxes
|
yann@1
|
452 |
*/
|
yann@1
|
453 |
void draw_shadow(WINDOW * win, int y, int x, int height, int width)
|
yann@1
|
454 |
{
|
yann@1
|
455 |
int i;
|
yann@1
|
456 |
|
yann@1
|
457 |
if (has_colors()) { /* Whether terminal supports color? */
|
yann@1
|
458 |
wattrset(win, dlg.shadow.atr);
|
yann@1
|
459 |
wmove(win, y + height, x + 2);
|
yann@1
|
460 |
for (i = 0; i < width; i++)
|
yann@1
|
461 |
waddch(win, winch(win) & A_CHARTEXT);
|
yann@1
|
462 |
for (i = y + 1; i < y + height + 1; i++) {
|
yann@1
|
463 |
wmove(win, i, x + width);
|
yann@1
|
464 |
waddch(win, winch(win) & A_CHARTEXT);
|
yann@1
|
465 |
waddch(win, winch(win) & A_CHARTEXT);
|
yann@1
|
466 |
}
|
yann@1
|
467 |
wnoutrefresh(win);
|
yann@1
|
468 |
}
|
yann@1
|
469 |
}
|
yann@1
|
470 |
|
yann@1
|
471 |
/*
|
yann@1
|
472 |
* Return the position of the first alphabetic character in a string.
|
yann@1
|
473 |
*/
|
yann@1
|
474 |
int first_alpha(const char *string, const char *exempt)
|
yann@1
|
475 |
{
|
yann@1
|
476 |
int i, in_paren = 0, c;
|
yann@1
|
477 |
|
yann@1
|
478 |
for (i = 0; i < strlen(string); i++) {
|
yann@1
|
479 |
c = tolower(string[i]);
|
yann@1
|
480 |
|
yann@1
|
481 |
if (strchr("<[(", c))
|
yann@1
|
482 |
++in_paren;
|
yann@1
|
483 |
if (strchr(">])", c) && in_paren > 0)
|
yann@1
|
484 |
--in_paren;
|
yann@1
|
485 |
|
yann@1
|
486 |
if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)
|
yann@1
|
487 |
return i;
|
yann@1
|
488 |
}
|
yann@1
|
489 |
|
yann@1
|
490 |
return 0;
|
yann@1
|
491 |
}
|
yann@1
|
492 |
|
yann@1
|
493 |
/*
|
yann@1
|
494 |
* ncurses uses ESC to detect escaped char sequences. This resutl in
|
yann@1
|
495 |
* a small timeout before ESC is actually delivered to the application.
|
yann@1
|
496 |
* lxdialog suggest <ESC> <ESC> which is correctly translated to two
|
yann@1
|
497 |
* times esc. But then we need to ignore the second esc to avoid stepping
|
yann@1
|
498 |
* out one menu too much. Filter away all escaped key sequences since
|
yann@1
|
499 |
* keypad(FALSE) turn off ncurses support for escape sequences - and thats
|
yann@1
|
500 |
* needed to make notimeout() do as expected.
|
yann@1
|
501 |
*/
|
yann@1
|
502 |
int on_key_esc(WINDOW *win)
|
yann@1
|
503 |
{
|
yann@1
|
504 |
int key;
|
yann@1
|
505 |
int key2;
|
yann@1
|
506 |
int key3;
|
yann@1
|
507 |
|
yann@1
|
508 |
nodelay(win, TRUE);
|
yann@1
|
509 |
keypad(win, FALSE);
|
yann@1
|
510 |
key = wgetch(win);
|
yann@1
|
511 |
key2 = wgetch(win);
|
yann@1
|
512 |
do {
|
yann@1
|
513 |
key3 = wgetch(win);
|
yann@1
|
514 |
} while (key3 != ERR);
|
yann@1
|
515 |
nodelay(win, FALSE);
|
yann@1
|
516 |
keypad(win, TRUE);
|
yann@1
|
517 |
if (key == KEY_ESC && key2 == ERR)
|
yann@1
|
518 |
return KEY_ESC;
|
yann@1
|
519 |
else if (key != ERR && key != KEY_ESC && key2 == ERR)
|
yann@1
|
520 |
ungetch(key);
|
yann@1
|
521 |
|
yann@1
|
522 |
return -1;
|
yann@1
|
523 |
}
|
yann@1
|
524 |
|
yann@1
|
525 |
/* redraw screen in new size */
|
yann@1
|
526 |
int on_key_resize(void)
|
yann@1
|
527 |
{
|
yann@1
|
528 |
dialog_clear();
|
yann@1
|
529 |
return KEY_RESIZE;
|
yann@1
|
530 |
}
|
yann@1
|
531 |
|
yann@1
|
532 |
struct dialog_list *item_cur;
|
yann@1
|
533 |
struct dialog_list item_nil;
|
yann@1
|
534 |
struct dialog_list *item_head;
|
yann@1
|
535 |
|
yann@1
|
536 |
void item_reset(void)
|
yann@1
|
537 |
{
|
yann@1
|
538 |
struct dialog_list *p, *next;
|
yann@1
|
539 |
|
yann@1
|
540 |
for (p = item_head; p; p = next) {
|
yann@1
|
541 |
next = p->next;
|
yann@1
|
542 |
free(p);
|
yann@1
|
543 |
}
|
yann@1
|
544 |
item_head = NULL;
|
yann@1
|
545 |
item_cur = &item_nil;
|
yann@1
|
546 |
}
|
yann@1
|
547 |
|
yann@1
|
548 |
void item_make(const char *fmt, ...)
|
yann@1
|
549 |
{
|
yann@1
|
550 |
va_list ap;
|
yann@1
|
551 |
struct dialog_list *p = malloc(sizeof(*p));
|
yann@1
|
552 |
|
yann@1
|
553 |
if (item_head)
|
yann@1
|
554 |
item_cur->next = p;
|
yann@1
|
555 |
else
|
yann@1
|
556 |
item_head = p;
|
yann@1
|
557 |
item_cur = p;
|
yann@1
|
558 |
memset(p, 0, sizeof(*p));
|
yann@1
|
559 |
|
yann@1
|
560 |
va_start(ap, fmt);
|
yann@1
|
561 |
vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
|
yann@1
|
562 |
va_end(ap);
|
yann@1
|
563 |
}
|
yann@1
|
564 |
|
yann@1
|
565 |
void item_add_str(const char *fmt, ...)
|
yann@1
|
566 |
{
|
yann@1
|
567 |
va_list ap;
|
yann@1
|
568 |
size_t avail;
|
yann@1
|
569 |
|
yann@1
|
570 |
avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
|
yann@1
|
571 |
|
yann@1
|
572 |
va_start(ap, fmt);
|
yann@1
|
573 |
vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
|
yann@1
|
574 |
avail, fmt, ap);
|
yann@1
|
575 |
item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
|
yann@1
|
576 |
va_end(ap);
|
yann@1
|
577 |
}
|
yann@1
|
578 |
|
yann@1
|
579 |
void item_set_tag(char tag)
|
yann@1
|
580 |
{
|
yann@1
|
581 |
item_cur->node.tag = tag;
|
yann@1
|
582 |
}
|
yann@1
|
583 |
void item_set_data(void *ptr)
|
yann@1
|
584 |
{
|
yann@1
|
585 |
item_cur->node.data = ptr;
|
yann@1
|
586 |
}
|
yann@1
|
587 |
|
yann@1
|
588 |
void item_set_selected(int val)
|
yann@1
|
589 |
{
|
yann@1
|
590 |
item_cur->node.selected = val;
|
yann@1
|
591 |
}
|
yann@1
|
592 |
|
yann@1
|
593 |
int item_activate_selected(void)
|
yann@1
|
594 |
{
|
yann@1
|
595 |
item_foreach()
|
yann@1
|
596 |
if (item_is_selected())
|
yann@1
|
597 |
return 1;
|
yann@1
|
598 |
return 0;
|
yann@1
|
599 |
}
|
yann@1
|
600 |
|
yann@1
|
601 |
void *item_data(void)
|
yann@1
|
602 |
{
|
yann@1
|
603 |
return item_cur->node.data;
|
yann@1
|
604 |
}
|
yann@1
|
605 |
|
yann@1
|
606 |
char item_tag(void)
|
yann@1
|
607 |
{
|
yann@1
|
608 |
return item_cur->node.tag;
|
yann@1
|
609 |
}
|
yann@1
|
610 |
|
yann@1
|
611 |
int item_count(void)
|
yann@1
|
612 |
{
|
yann@1
|
613 |
int n = 0;
|
yann@1
|
614 |
struct dialog_list *p;
|
yann@1
|
615 |
|
yann@1
|
616 |
for (p = item_head; p; p = p->next)
|
yann@1
|
617 |
n++;
|
yann@1
|
618 |
return n;
|
yann@1
|
619 |
}
|
yann@1
|
620 |
|
yann@1
|
621 |
void item_set(int n)
|
yann@1
|
622 |
{
|
yann@1
|
623 |
int i = 0;
|
yann@1
|
624 |
item_foreach()
|
yann@1
|
625 |
if (i++ == n)
|
yann@1
|
626 |
return;
|
yann@1
|
627 |
}
|
yann@1
|
628 |
|
yann@1
|
629 |
int item_n(void)
|
yann@1
|
630 |
{
|
yann@1
|
631 |
int n = 0;
|
yann@1
|
632 |
struct dialog_list *p;
|
yann@1
|
633 |
|
yann@1
|
634 |
for (p = item_head; p; p = p->next) {
|
yann@1
|
635 |
if (p == item_cur)
|
yann@1
|
636 |
return n;
|
yann@1
|
637 |
n++;
|
yann@1
|
638 |
}
|
yann@1
|
639 |
return 0;
|
yann@1
|
640 |
}
|
yann@1
|
641 |
|
yann@1
|
642 |
const char *item_str(void)
|
yann@1
|
643 |
{
|
yann@1
|
644 |
return item_cur->node.str;
|
yann@1
|
645 |
}
|
yann@1
|
646 |
|
yann@1
|
647 |
int item_is_selected(void)
|
yann@1
|
648 |
{
|
yann@1
|
649 |
return (item_cur->node.selected != 0);
|
yann@1
|
650 |
}
|
yann@1
|
651 |
|
yann@1
|
652 |
int item_is_tag(char tag)
|
yann@1
|
653 |
{
|
yann@1
|
654 |
return (item_cur->node.tag == tag);
|
yann@1
|
655 |
}
|