5 A part of the extended file system 2 disk editor.
7 --------------------------------------------------------
8 Window management - Interfacing with the ncurses library
9 --------------------------------------------------------
11 First written on: April 17 1995
12 Modified on : April 05 2001 Christian.Bac@int-evry.fr
13 it looks like readline does not like that initscr decides to set the tty to
16 Copyright (C) 1995 Gadi Oxman
25 #include <sys/ioctl.h>
28 #include "../version.h"
30 struct struct_pad_info show_pad_info;
31 WINDOW *title_win,*show_win,*command_win,*mt_win1,*mt_win2,*show_pad;
33 /* to remember configuration after initscr
36 struct termios termioInit, termioCurrent;
38 void draw_title_win (void)
40 char title_string [128];
44 sprintf (title_string,"EXT2ED - Extended-2 File System editor ver %s (%s)", E2FSPROGS_VERSION, E2FSPROGS_DATE);
45 wmove (title_win,TITLE_WIN_LINES/2,(COLS-strlen (title_string))/2);
46 wprintw (title_win,title_string);
50 void setup_show_win(void)
52 wbkgdset (show_win,A_REVERSE);werase (show_win);
55 show_pad_info.display_lines=LINES-TITLE_WIN_LINES-SHOW_WIN_LINES-COMMAND_WIN_LINES-2;
56 show_pad_info.display_cols=COLS;
57 show_pad_info.max_line=show_pad_info.display_lines-1;show_pad_info.max_col=show_pad_info.display_cols-1;
58 show_pad_info.disable_output=0;
61 void init_windows (void)
64 tcgetattr(0,&termioInit); /* save initial config */
65 termioCurrent = termioInit;
66 termioCurrent.c_lflag |= ECHO; /* set echo on */
67 tcsetattr(0,TCSANOW,&termioCurrent);
69 if (LINES<TITLE_WIN_LINES+SHOW_WIN_LINES+COMMAND_WIN_LINES+3) {
70 printf ("Sorry, your terminal screen is too small\n");
71 printf ("Error - Can not initialize windows\n");
75 title_win=newwin (TITLE_WIN_LINES,COLS,0,0);
76 show_win=newwin (SHOW_WIN_LINES,COLS,TITLE_WIN_LINES,0);
77 show_pad=newpad (SHOW_PAD_LINES,SHOW_PAD_COLS);
78 mt_win1=newwin (1,COLS,TITLE_WIN_LINES+SHOW_WIN_LINES,0);
79 mt_win2=newwin (1,COLS,LINES-COMMAND_WIN_LINES-1,0);
80 command_win=newwin (COMMAND_WIN_LINES,COLS,LINES-COMMAND_WIN_LINES,0);
82 if (title_win==NULL || show_win==NULL || show_pad==NULL || command_win==NULL) {
83 printf ("Error - Not enough memory - Can not initialize windows\n");exit (1);
90 scrollok (command_win,TRUE);
95 refresh_command_win ();
100 void refresh_title_win (void)
102 wrefresh (title_win);
105 void refresh_show_win (void)
107 int current_page,total_pages;
109 current_page=show_pad_info.line/show_pad_info.display_lines+1;
110 if (show_pad_info.line%show_pad_info.display_lines)
112 total_pages=show_pad_info.max_line/show_pad_info.display_lines+1;
114 wmove (show_win,2,COLS-18);
115 wprintw (show_win,"Page %d of %d\n",current_page,total_pages);
117 wmove (show_win,2,COLS-18);
122 void refresh_show_pad (void)
125 int left,top,right,bottom,i;
127 if (show_pad_info.disable_output)
130 if (show_pad_info.max_line < show_pad_info.display_lines-1) {
131 for (i=show_pad_info.max_line+1;i<show_pad_info.display_lines;i++) {
132 wmove (show_pad,i,0);wprintw (show_pad,"\n");
135 left=0;right=show_pad_info.display_cols-1;
136 top=TITLE_WIN_LINES+SHOW_WIN_LINES+1;bottom=top+show_pad_info.display_lines-1;
138 if (show_pad_info.line > show_pad_info.max_line-show_pad_info.display_lines+1)
139 show_pad_info.line=show_pad_info.max_line-show_pad_info.display_lines+1;
141 if (show_pad_info.line < 0)
142 show_pad_info.line=0;
145 prefresh (show_pad,show_pad_info.line,show_pad_info.col,top,left,show_pad_info.display_lines-1,show_pad_info.display_cols-1);
147 prefresh (show_pad,show_pad_info.line,show_pad_info.col,top,left,top+show_pad_info.display_lines-1,left+show_pad_info.display_cols-1);
151 void refresh_command_win (void)
153 wrefresh (command_win);
156 void close_windows (void)
159 tcsetattr(0,TCSANOW,&termioInit);
162 delwin (command_win);
169 void show_info (void)
171 int block_num,block_offset;
173 block_num=device_offset/file_system_info.block_size;
174 block_offset=device_offset%file_system_info.block_size;
176 wmove (show_win,0,0);
177 wprintw (show_win,"Offset %-3ld in block %ld. ",block_offset,block_num);
178 if (current_type != NULL)
179 wprintw (show_win,"Type: %s\n",current_type->name);
181 wprintw (show_win,"Type: %s\n","none");
187 void redraw_all (void)
189 int min_lines = TITLE_WIN_LINES+SHOW_WIN_LINES+COMMAND_WIN_LINES+3;
191 int save_col, save_lines;
193 /* get the size of the terminal connected to stdout */
194 ioctl(1, TIOCGWINSZ, &ws);
196 * Do it again because GDB doesn't stop before the first ioctl
197 * call, we want an up-to-date size when we're
200 if (ioctl(1, TIOCGWINSZ, &ws) == 0) {
201 if (ws.ws_row < min_lines)
202 ws.ws_row = min_lines;
203 if ((ws.ws_row != LINES) || (ws.ws_col != COLS)) {
204 wmove (show_win,2,COLS-18);
207 resizeterm(ws.ws_row, ws.ws_col);
208 wresize(title_win, TITLE_WIN_LINES,COLS);
209 wresize(show_win, SHOW_WIN_LINES,COLS);
210 wresize(command_win, COMMAND_WIN_LINES,COLS);
211 wresize(mt_win1, 1,COLS);
212 wresize(mt_win2, 1,COLS);
213 mvwin(mt_win2, LINES-COMMAND_WIN_LINES-1,0);
214 mvwin(command_win, LINES-COMMAND_WIN_LINES,0);
216 show_pad_info.display_lines=LINES-TITLE_WIN_LINES-SHOW_WIN_LINES-COMMAND_WIN_LINES-2;
217 show_pad_info.display_cols=COLS;
220 clearok(title_win, 1);
221 clearok(show_win, 1);
222 clearok(command_win, 1);
229 refresh_title_win ();
230 refresh_command_win ();