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- /*
- * dselect - Debian package maintenance user interface
- * methlist.cc - list of access methods and options
- *
- * Copyright © 1995 Ian Jackson <ian@chiark.greenend.org.uk>
- * Copyright © 2001 Wichert Akkerman <wakkerma@debian.org>
- *
- * 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 program. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <config.h>
- #include <compat.h>
- #include <assert.h>
- #include <errno.h>
- #include <string.h>
- #include <stdio.h>
- #include <dpkg/i18n.h>
- #include <dpkg/dpkg.h>
- #include <dpkg/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::setheights() {
- if (debug) fprintf(debug,"methodlist[%p]::setheights()\n",this);
- baselist::setheights();
- list_height++;
- }
- 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;
- if (total_width < COLS)
- total_width= COLS;
- 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 dselect_option*[noptions];
- struct dselect_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"));
- 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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