From cbffab246997fb5a06211dfb706b54e5ae5bb59f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:58:51 +0200
Subject: Adding upstream version 1.21.22.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 dselect/basecmds.cc | 320 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 320 insertions(+)
 create mode 100644 dselect/basecmds.cc

(limited to 'dselect/basecmds.cc')

diff --git a/dselect/basecmds.cc b/dselect/basecmds.cc
new file mode 100644
index 0000000..18f88e1
--- /dev/null
+++ b/dselect/basecmds.cc
@@ -0,0 +1,320 @@
+/*
+ * dselect - Debian package maintenance user interface
+ * basecmds.cc - base list keyboard commands display
+ *
+ * Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2000,2001 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 of the License, 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.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 "helpmsgs.h"
+
+void baselist::kd_scrollon() {
+  topofscreen += list_height;
+  if (topofscreen > nitems - list_height) topofscreen= nitems - list_height;
+  if (topofscreen < 0) topofscreen= 0;
+  if (cursorline < topofscreen)
+    setcursor(topofscreen);
+  refreshlist();
+}
+
+void baselist::kd_scrollon1() {
+  if (topofscreen >= nitems - list_height) return;
+  topofscreen++;
+  if (cursorline < topofscreen)
+    setcursor(topofscreen);
+  refreshlist();
+}
+
+void baselist::kd_scrollback() {
+  topofscreen -= list_height;
+  if (topofscreen < 0) topofscreen= 0;
+  if (cursorline >= topofscreen + list_height)
+    setcursor(topofscreen + list_height - 1);
+  refreshlist();
+}
+
+void baselist::kd_scrollback1() {
+  if (topofscreen <= 0) return;
+  topofscreen--;
+  if (cursorline >= topofscreen + list_height)
+    setcursor(topofscreen + list_height - 1);
+  refreshlist();
+}
+
+void baselist::kd_top() {
+  topofscreen= 0; setcursor(0);
+}
+
+void baselist::kd_bottom() {
+  topofscreen= nitems - list_height;
+  if (topofscreen < 0) topofscreen= 0;
+  setcursor(min(topofscreen + list_height - 1, nitems - 1));
+}
+
+void baselist::kd_redraw() {
+  clearok(curscr,TRUE);
+  redrawall();
+  debug(dbg_general, "baselist[%p]::kd_redraw() done", this);
+}
+
+void baselist::kd_searchagain() {
+  if (!searchstring[0]) { beep(); return; }
+  dosearch();
+}
+
+bool
+baselist::checksearch(char *str)
+{
+  return true;
+}
+
+bool
+baselist::matchsearch(int index)
+{
+  int lendiff, searchlen, i;
+  const char *name;
+
+  name = itemname(index);
+  if (!name)
+    return false;	/* Skip things without a name (separators). */
+
+  searchlen=strlen(searchstring);
+  lendiff = strlen(name) - searchlen;
+  for (i=0; i<=lendiff; i++)
+    if (strncasecmp(name + i, searchstring, searchlen) == 0)
+      return true;
+
+  return false;
+}
+
+void baselist::kd_search() {
+  char newsearchstring[128];
+  strcpy(newsearchstring,searchstring);
+  werase(querywin);
+  mvwaddstr(querywin,0,0, _("Search for ? "));
+  echo();
+  if (wgetnstr(querywin,newsearchstring,sizeof(newsearchstring)-1) == ERR)
+    searchstring[0]= 0;
+  resize_window();
+  noecho();
+  if (whatinfo_height) { touchwin(whatinfowin); refreshinfo(); }
+  else if (info_height) { touchwin(infopad); refreshinfo(); }
+  else if (thisstate_height) redrawthisstate();
+  else { touchwin(listpad); refreshlist(); }
+  if (newsearchstring[0]) {
+    if (!checksearch(newsearchstring)) {
+      beep();
+      return;
+    }
+    strcpy(searchstring,newsearchstring);
+    dosearch();
+  } else
+    kd_searchagain();
+}
+
+void
+baselist::displayerror(const char *str)
+{
+  const char *pr = _("Error: ");
+  int prlen=strlen(pr);
+
+  beep();
+  werase(querywin);
+  mvwaddstr(querywin,0,0,pr);
+  mvwaddstr(querywin,0,prlen,str);
+  wgetch(querywin);
+  if (whatinfo_height) { touchwin(whatinfowin); refreshinfo(); }
+  else if (info_height) { touchwin(infopad); refreshinfo(); }
+  else if (thisstate_height) redrawthisstate();
+}
+
+
+void baselist::displayhelp(const struct helpmenuentry *helpmenu, int key) {
+  int maxx, maxy, i, nextkey;
+
+  wbkgdset(stdscr, ' ' | part_attr[helpscreen]);
+  clearok(stdscr,TRUE);
+  for (;;) {
+    getmaxyx(stdscr, maxy, maxx);
+    werase(stdscr);
+    const struct helpmenuentry *hme = helpmenu;
+    while (hme->key && hme->key != key)
+      hme++;
+    if (hme->key) {
+      int x, y DPKG_ATTR_UNUSED;
+
+      attrset(part_attr[helpscreen]);
+      mvaddstr(1,0, gettext(hme->msg->text));
+      attrset(part_attr[title]);
+      mvaddstr(0,0, _("Help: "));
+      addstr(gettext(hme->msg->title));
+      getyx(stdscr,y,x);
+      while (++x<maxx) addch(' ');
+      attrset(part_attr[thisstate]);
+      mvaddstr(maxy-1,0,
+_("Press ? for help menu, . for next topic, <space> to exit help."));
+      getyx(stdscr,y,x);
+      while (++x<maxx) addch(' ');
+      move(maxy,maxx);
+      attrset(A_NORMAL);
+      nextkey= hme[1].key;
+    } else {
+      mvaddstr(1,1, _("Help information is available under the following topics:"));
+      for (i=0, hme=helpmenu; hme->key; hme++,i++) {
+        attrset(A_BOLD);
+        mvaddch(i+3,3, hme->key);
+        attrset(A_NORMAL);
+        mvaddstr(i+3,6, gettext(hme->msg->title));
+      }
+      mvaddstr(i+4,1,
+               _("Press a key from the list above, <space> or 'q' to exit help,\n"
+                 "  or '.' (full stop) to read each help page in turn. "));
+      nextkey= helpmenu[0].key;
+    }
+    refresh();
+    do {
+      int curkey = key;
+
+      key = getch();
+      if (key == KEY_RESIZE) {
+        resize_window();
+        key = curkey;
+      }
+    } while (key == ERR && errno == EINTR);
+    if (key == EOF) ohshite(_("error reading keyboard in help"));
+    if (key == ' ' || key == 'q') {
+      break;
+    } else if (key == '?' || key == 'h') {
+      key= 0;
+    } else if (key == '.') {
+      key= nextkey;
+    }
+  }
+  werase(stdscr);
+  clearok(stdscr,TRUE);
+  wnoutrefresh(stdscr);
+
+  redrawtitle();
+  refreshcolheads();
+  refreshlist();
+  redrawthisstate();
+  refreshinfo();
+  wnoutrefresh(whatinfowin);
+}
+
+void baselist::kd_help() {
+  displayhelp(helpmenulist(),0);
+}
+
+void baselist::setcursor(int index) {
+  if (listpad && cursorline != -1) {
+    redrawitemsrange(cursorline,cursorline+1);
+    redraw1itemsel(cursorline,0);
+  }
+  if (cursorline != index) infotopofscreen= 0;
+  cursorline= index;
+  if (listpad) {
+    redrawitemsrange(cursorline,cursorline+1);
+    redraw1itemsel(cursorline,1);
+    refreshlist();
+    redrawthisstate();
+  }
+  redrawinfo();
+}
+
+void baselist::kd_down() {
+  int ncursor= cursorline;
+  // scroll by one line unless the bottom is already visible
+  // or we're in the top half of the screen ...
+  if (topofscreen < nitems - list_height &&
+      ncursor >= topofscreen + list_height - 3) topofscreen++;
+  // move cursor if there are any more ...
+  if (cursorline+1 < nitems) ncursor++;
+  setcursor(ncursor);
+}
+
+void baselist::kd_up() {
+  int ncursor= cursorline;
+  // scroll by one line if there are any lines not shown yet
+  // and we're not in the bottom half the screen ...
+  if (topofscreen > 0 &&
+      ncursor <= topofscreen + 2) topofscreen--;
+  // move cursor if there are any to move it to ...
+  if (cursorline > 0) ncursor--;
+  setcursor(ncursor);
+}
+
+void baselist::kd_iscrollon() {
+  infotopofscreen += info_height;
+  if (infotopofscreen > infolines - info_height)
+    infotopofscreen= infolines - info_height;
+  if (infotopofscreen < 0) infotopofscreen= 0;
+  refreshinfo();
+}
+
+void baselist::kd_iscrollback() {
+  infotopofscreen -= info_height;
+  if (infotopofscreen < 0) infotopofscreen= 0;
+  refreshinfo();
+}
+
+void baselist::kd_iscrollon1() {
+  if (infotopofscreen >= infolines - info_height) return;
+  infotopofscreen++; refreshinfo();
+}
+
+void baselist::kd_iscrollback1() {
+  if (infotopofscreen <= 0) return;
+  infotopofscreen--; refreshinfo();
+}
+
+void baselist::kd_panon() {
+  leftofscreen += xmax/3;
+  if (leftofscreen > total_width - xmax) leftofscreen= total_width - xmax;
+  if (leftofscreen < 0) leftofscreen= 0;
+  refreshcolheads(); refreshlist(); redrawthisstate(); refreshinfo();
+}
+
+void baselist::kd_panback() {
+  leftofscreen -= xmax/3;
+  if (leftofscreen < 0) leftofscreen= 0;
+  refreshcolheads(); refreshlist(); redrawthisstate(); refreshinfo();
+}
+
+void baselist::kd_panon1() {
+  leftofscreen++;
+  if (leftofscreen > total_width - xmax) leftofscreen= total_width - xmax;
+  if (leftofscreen < 0) leftofscreen= 0;
+  refreshcolheads(); refreshlist(); redrawthisstate(); refreshinfo();
+}
+
+void baselist::kd_panback1() {
+  leftofscreen--;
+  if (leftofscreen < 0) leftofscreen= 0;
+  refreshcolheads(); refreshlist(); redrawthisstate(); refreshinfo();
+}
-- 
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