diff options
Diffstat (limited to 'src/interface-curses/curses-info-popup.cpp')
| -rw-r--r-- | src/interface-curses/curses-info-popup.cpp | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/src/interface-curses/curses-info-popup.cpp b/src/interface-curses/curses-info-popup.cpp deleted file mode 100644 index 487f1b7..0000000 --- a/src/interface-curses/curses-info-popup.cpp +++ /dev/null @@ -1,219 +0,0 @@ -/* - * Copyright (C) 2012-2017 Robin Haberkorn - * - * 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 3 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, see <http://www.gnu.org/licenses/>. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <string.h> - -#include <glib.h> - -#include <curses.h> - -#include "curses-utils.h" -#include "curses-info-popup.h" - -namespace SciTECO { - -void -CursesInfoPopup::add(PopupEntryType type, - const gchar *name, bool highlight) -{ - size_t name_len = strlen(name); - Entry *entry = (Entry *)g_malloc(sizeof(Entry) + name_len + 1); - - entry->type = type; - entry->highlight = highlight; - strcpy(entry->name, name); - - longest = MAX(longest, (gint)name_len); - length++; - - /* - * Entries are added in reverse (constant time for GSList), - * so they will later have to be reversed. - */ - list = g_slist_prepend(list, entry); -} - -void -CursesInfoPopup::init_pad(attr_t attr) -{ - int cols = getmaxx(stdscr); /* screen width */ - int pad_lines; /* pad height */ - gint pad_cols; /* entry columns */ - gint pad_colwidth; /* width per entry column */ - - gint cur_col; - - /* reserve 2 spaces between columns */ - pad_colwidth = MIN(longest + 2, cols - 2); - - /* pad_cols = floor((cols - 2) / pad_colwidth) */ - pad_cols = (cols - 2) / pad_colwidth; - /* pad_lines = ceil(length / pad_cols) */ - pad_lines = (length+pad_cols-1) / pad_cols; - - /* - * Render the entire autocompletion list into a pad - * which can be higher than the physical screen. - * The pad uses two columns less than the screen since - * it will be drawn into the popup window which has left - * and right borders. - */ - pad = newpad(pad_lines, cols - 2); - - wbkgd(pad, ' ' | attr); - - /* - * cur_col is the row currently written. - * It does not wrap but grows indefinitely. - * Therefore the real current row is (cur_col % popup_cols) - */ - cur_col = 0; - for (GSList *cur = list; cur != NULL; cur = g_slist_next(cur)) { - Entry *entry = (Entry *)cur->data; - gint cur_line = cur_col/pad_cols + 1; - - wmove(pad, cur_line-1, - (cur_col % pad_cols)*pad_colwidth); - - wattrset(pad, entry->highlight ? A_BOLD : A_NORMAL); - - switch (entry->type) { - case POPUP_FILE: - case POPUP_DIRECTORY: - Curses::format_filename(pad, entry->name); - break; - default: - Curses::format_str(pad, entry->name); - break; - } - - cur_col++; - } -} - -void -CursesInfoPopup::show(attr_t attr) -{ - int lines, cols; /* screen dimensions */ - gint pad_lines; - gint popup_lines; - gint bar_height, bar_y; - - if (!length) - /* nothing to display */ - return; - - getmaxyx(stdscr, lines, cols); - - if (window) - delwin(window); - else - /* reverse list only once */ - list = g_slist_reverse(list); - - if (!pad) - init_pad(attr); - pad_lines = getmaxy(pad); - - /* - * Popup window can cover all but one screen row. - * Another row is reserved for the top border. - */ - popup_lines = MIN(pad_lines + 1, lines - 1); - - /* window covers message, scintilla and info windows */ - window = newwin(popup_lines, 0, lines - 1 - popup_lines, 0); - - wbkgdset(window, ' ' | attr); - - wborder(window, - ACS_VLINE, - ACS_VLINE, /* may be overwritten with scrollbar */ - ACS_HLINE, - ' ', /* no bottom line */ - ACS_ULCORNER, ACS_URCORNER, - ACS_VLINE, ACS_VLINE); - - copywin(pad, window, - pad_first_line, 0, - 1, 1, popup_lines - 1, cols - 2, FALSE); - - if (pad_lines <= popup_lines - 1) - /* no need for scrollbar */ - return; - - /* bar_height = ceil((popup_lines-1)/pad_lines * (popup_lines-2)) */ - bar_height = ((popup_lines-1)*(popup_lines-2) + pad_lines-1) / - pad_lines; - /* bar_y = floor(pad_first_line/pad_lines * (popup_lines-2)) + 1 */ - bar_y = pad_first_line*(popup_lines-2) / pad_lines + 1; - - mvwvline(window, 1, cols-1, ACS_CKBOARD, popup_lines-2); - /* - * We do not use ACS_BLOCK here since it will not - * always be drawn as a solid block (e.g. xterm). - * Instead, simply draw reverse blanks. - */ - wmove(window, bar_y, cols-1); - wattron(window, A_REVERSE); - wvline(window, ' ', bar_height); - - /* progress scroll position */ - pad_first_line += popup_lines - 1; - /* wrap on last shown page */ - pad_first_line %= pad_lines; - if (pad_lines - pad_first_line < popup_lines - 1) - /* show last page */ - pad_first_line = pad_lines - (popup_lines - 1); -} - -void -CursesInfoPopup::clear(void) -{ - g_slist_free_full(list, g_free); - list = NULL; - length = 0; - longest = 0; - - pad_first_line = 0; - - if (window) { - delwin(window); - window = NULL; - } - - if (pad) { - delwin(pad); - pad = NULL; - } -} - -CursesInfoPopup::~CursesInfoPopup() -{ - if (window) - delwin(window); - if (pad) - delwin(pad); - if (list) - g_slist_free_full(list, g_free); -} - -} /* namespace SciTECO */ |