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/*
* dselect - Debian GNU/Linux package maintenance user interface
* methlist.cc - list of access methods and options
*
* Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
*
* This 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,
* or (at your option) any later version.
*
* This 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; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
extern "C" {
#include <config.h>
#include <dpkg.h>
#include <dpkg-db.h>
}
#include "dselect.h"
#include "bindings.h"
#include "method.h"
#include "helpmsgs.h"
static keybindings methodlistbindings(methodlist_kinterps,methodlist_korgbindings);
const char *methodlist::itemname(int index) {
return table[index]->name;
}
void methodlist::kd_abort() { }
void methodlist::kd_quit() {
if (debug) fprintf(debug,"methodlist[%p]::kd_quit() setting coption=%p\n",
this, table[cursorline]);
coption= table[cursorline];
}
void methodlist::setwidths() {
if (debug) fprintf(debug,"methodlist[%p]::setwidths()\n",this);
status_width= 1;
gap_width= 1;
name_width= 14;
name_column= status_width + gap_width;
description_column= name_column + name_width + gap_width;
total_width= TOTAL_LIST_WIDTH;
description_width= total_width - description_column;
}
void methodlist::redrawtitle() {
if (title_height) {
mywerase(titlewin);
mvwaddnstr(titlewin,0,0,_("dselect - list of access methods"),xmax);
wnoutrefresh(titlewin);
}
}
void methodlist::redrawthisstate() {
if (!thisstate_height) return;
mywerase(thisstatepad);
wprintw(thisstatepad,
_("Access method `%s'."),
table[cursorline]->name);
pnoutrefresh(thisstatepad, 0,0, thisstate_row,0,
thisstate_row, lesserint(total_width - 1, xmax - 1));
}
void methodlist::redraw1itemsel(int index, int selected) {
int i;
const char *p;
wattrset(listpad, selected ? listsel_attr : list_attr);
mvwaddch(listpad,index,0,
table[index] == coption ? '*' : ' ');
wattrset(listpad, selected ? listsel_attr : list_attr);
mvwprintw(listpad,index,name_column-1, " %-*.*s ",
name_width, name_width, table[index]->name);
i= description_width;
p= table[index]->summary ? table[index]->summary : "";
while (i>0 && *p && *p != '\n') {
waddch(listpad,*p);
i--; p++;
}
while (i>0) {
waddch(listpad,' ');
i--;
}
}
void methodlist::redrawcolheads() {
if (colheads_height) {
wattrset(colheadspad,colheads_attr);
mywerase(colheadspad);
mvwaddstr(colheadspad,0,0, " ");
mvwaddnstr(colheadspad,0,name_column, _("Abbrev."), name_width);
mvwaddnstr(colheadspad,0,description_column, _("Description"), description_width);
}
refreshcolheads();
}
methodlist::methodlist() : baselist(&methodlistbindings) {
int newcursor= -1;
if (debug)
fprintf(debug,"methodlist[%p]::methodlist()\n",this);
table= new struct option*[noptions];
struct option *opt, **ip;
for (opt=options, ip=table, nitems=0; opt; opt=opt->next, nitems++) {
if (opt == coption) { assert(newcursor==-1); newcursor= nitems; }
*ip++= opt;
}
assert(nitems==noptions);
if (newcursor==-1) newcursor= 0;
setcursor(newcursor);
if (debug)
fprintf(debug,"methodlist[%p]::methodlist done; noptions=%d\n", this, noptions);
}
methodlist::~methodlist() {
if (debug) fprintf(debug,"methodlist[%p]::~methodlist()\n",this);
delete[] table;
}
quitaction methodlist::display() {
int response;
const keybindings::interpretation *interp;
if (debug) fprintf(debug,"methodlist[%p]::display()\n",this);
setupsigwinch();
startdisplay();
if (debug) fprintf(debug,"methodlist[%p]::display() entering loop\n",this);
for (;;) {
if (whatinfo_height) wcursyncup(whatinfowin);
if (doupdate() == ERR) ohshite(_("doupdate failed"));
signallist= this;
if (sigprocmask(SIG_UNBLOCK,&sigwinchset,0)) ohshite(_("failed to unblock SIGWINCH"));
do
response= getch();
while (response == ERR && errno == EINTR);
if (sigprocmask(SIG_BLOCK,&sigwinchset,0)) ohshite(_("failed to re-block SIGWINCH"));
if (response == ERR) ohshite(_("getch failed"));
interp= (*bindings)(response);
if (debug)
fprintf(debug,"methodlist[%p]::display() response=%d interp=%s\n",
this,response, interp ? interp->action : _("[none]"));
if (!interp) { beep(); continue; }
(this->*(interp->mfn))();
if (interp->qa != qa_noquit) break;
}
pop_cleanup(ehflag_normaltidy); // unset the SIGWINCH handler
enddisplay();
if (debug) fprintf(debug,"methodlist[%p]::display() done\n",this);
return interp->qa;
}
void methodlist::itd_description() {
whatinfovb(_("explanation of "));
whatinfovb(table[cursorline]->name);
wattrset(infopad,info_headattr);
waddstr(infopad, table[cursorline]->name);
waddstr(infopad," - ");
waddstr(infopad, table[cursorline]->summary);
wattrset(infopad,info_attr);
const char *m= table[cursorline]->description;
if (!m || !*m) m= _("No explanation available.");
waddstr(infopad,"\n\n");
wordwrapinfo(0,m);
}
void methodlist::redrawinfo() {
if (!info_height) return;
whatinfovb.reset();
werase(infopad); wmove(infopad,0,0);
if (debug) fprintf(debug,"methodlist[%p]::redrawinfo()\n", this);
itd_description();
whatinfovb.terminate();
int y,x;
getyx(infopad, y,x);
if (x) y++;
infolines= y;
refreshinfo();
}
const struct helpmenuentry *methodlist::helpmenulist() {
static const struct helpmenuentry list[]= {
{ 'i', &hlp_methintro },
{ 'k', &hlp_methkeys },
{ 0 }
};
return list;
};
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