void input_context::display_help()
{
inp_mngr.set_timeout(-1);
// Shamelessly stolen from help.cpp
WINDOW *w_help = newwin(FULL_SCREEN_HEIGHT - 2, FULL_SCREEN_WIDTH - 2,
1 + (int)((TERMY > FULL_SCREEN_HEIGHT) ? (TERMY - FULL_SCREEN_HEIGHT) / 2 : 0),
1 + (int)((TERMX > FULL_SCREEN_WIDTH) ? (TERMX - FULL_SCREEN_WIDTH) / 2 : 0));
// has the user changed something?
bool changed = false;
// keybindings before the user changed anything.
input_manager::t_action_contexts old_action_contexts(inp_mngr.action_contexts);
// current status: adding/removing/showing keybindings
enum { s_remove, s_add, s_add_global, s_show } status = s_show;
// copy of registered_actions, but without the ANY_INPUT and COORDINATE, which should not be shown
std::vector<std::string> org_registered_actions(registered_actions);
std::vector<std::string>::iterator any_input = std::find(org_registered_actions.begin(),
org_registered_actions.end(), ANY_INPUT);
if (any_input != org_registered_actions.end()) {
org_registered_actions.erase(any_input);
}
std::vector<std::string>::iterator coordinate = std::find(org_registered_actions.begin(),
org_registered_actions.end(), COORDINATE);
if (coordinate != org_registered_actions.end()) {
org_registered_actions.erase(coordinate);
}
// colors of the keybindings
static const nc_color global_key = c_ltgray;
static const nc_color local_key = c_ltgreen;
static const nc_color unbound_key = c_ltred;
// (vertical) scroll offset
size_t scroll_offset = 0;
// height of the area usable for display of keybindings, excludes headers & borders
const size_t display_height = FULL_SCREEN_HEIGHT - 9 - 2; // -2 for the border
// width of the legend
const size_t legwidth = FULL_SCREEN_WIDTH - 4 - 2;
// keybindings help
std::ostringstream legend;
legend << "<color_" << string_from_color(unbound_key) << ">" << _("Unbound keys") << "</color>\n";
legend << "<color_" << string_from_color(local_key) << ">" <<
_("Keybinding active only on this screen") << "</color>\n";
legend << "<color_" << string_from_color(global_key) << ">" << _("Keybinding active globally") <<
"</color>\n";
legend << _("Press - to remove keybinding\nPress + to add local keybinding\nPress = to add global keybinding\n");
input_context ctxt("HELP_KEYBINDINGS");
ctxt.register_action("UP", _("Scroll up"));
ctxt.register_action("DOWN", _("Scroll down"));
ctxt.register_action("PAGE_DOWN");
ctxt.register_action("PAGE_UP");
ctxt.register_action("REMOVE");
ctxt.register_action("ADD_LOCAL");
ctxt.register_action("ADD_GLOBAL");
ctxt.register_action("QUIT");
ctxt.register_action("ANY_INPUT");
if (category != "HELP_KEYBINDINGS") {
// avoiding inception!
ctxt.register_action("HELP_KEYBINDINGS");
}
std::string hotkeys = ctxt.get_available_single_char_hotkeys(display_help_hotkeys);
while(true) {
werase(w_help);
draw_border(w_help);
draw_scrollbar(w_help, scroll_offset, display_height, org_registered_actions.size() - display_height, 8);
mvwprintz(w_help, 0, (FULL_SCREEN_WIDTH - utf8_width(_("Keybindings"))) / 2 - 1,
c_ltred, " %s ", _("Keybindings"));
fold_and_print(w_help, 1, 2, legwidth, c_white, legend.str());
for (size_t i = 0; i + scroll_offset < org_registered_actions.size() && i < display_height; i++) {
const std::string &action_id = org_registered_actions[i + scroll_offset];
bool overwrite_default;
const action_attributes &attributes = inp_mngr.get_action_attributes(action_id, category,
&overwrite_default);
char invlet;
if (i < hotkeys.size()) {
invlet = hotkeys[i];
} else {
invlet = ' ';
}
if (status == s_add_global && overwrite_default) {
// We're trying to add a global, but this action has a local
// defined, so gray out the invlet.
mvwprintz(w_help, i + 8, 2, c_dkgray, "%c ", invlet);
} else if (status == s_add || status == s_add_global) {
mvwprintz(w_help, i + 8, 2, c_blue, "%c ", invlet);
} else if (status == s_remove) {
mvwprintz(w_help, i + 8, 2, c_blue, "%c ", invlet);
} else {
mvwprintz(w_help, i + 8, 2, c_blue, " ");
}
nc_color col;
if (attributes.input_events.empty()) {
col = unbound_key;
} else if (overwrite_default) {
col = local_key;
} else {
col = global_key;
}
mvwprintz(w_help, i + 8, 4, col, "%s: ", get_action_name(action_id).c_str());
mvwprintz(w_help, i + 8, 52, col, "%s", get_desc(action_id).c_str());
}
wrefresh(w_help);
refresh();
// In addition to the modifiable hotkeys, we also check for hardcoded
// keys, e.g. '+', '-', '=', in order to prevent the user from
// entering an unrecoverable state.
const std::string action = ctxt.handle_input();
const long raw_input_char = ctxt.get_raw_input().get_first_input();
if (action == "ADD_LOCAL" || raw_input_char == '+') {
status = s_add;
} else if (action == "ADD_GLOBAL" || raw_input_char == '=') {
status = s_add_global;
} else if (action == "REMOVE" || raw_input_char == '-') {
status = s_remove;
} else if (action == "ANY_INPUT") {
const size_t hotkey_index = hotkeys.find_first_of(raw_input_char);
if (status == s_show || hotkey_index == std::string::npos ) {
continue;
}
const size_t action_index = hotkey_index + scroll_offset;
if( action_index >= org_registered_actions.size() ) {
continue;
}
const std::string &action_id = org_registered_actions[action_index];
// Check if this entry is local or global.
bool is_local = false;
inp_mngr.get_action_attributes(action_id, category, &is_local);
const std::string name = get_action_name(action_id);
if (status == s_remove && (!OPTIONS["QUERY_KEYBIND_REMOVAL"] ||
query_yn(_("Clear keys for %s?"), name.c_str()))) {
// If it's global, reset the global actions.
std::string category_to_access = category;
if (!is_local) {
category_to_access = default_context_id;
}
inp_mngr.remove_input_for_action(action_id, category_to_access);
changed = true;
} else if (status == s_add_global && is_local) {
// Disallow adding global actions to an action that already has a local defined.
popup(_("There are already local keybindings defined for this action, please remove them first."));
} else if (status == s_add || status == s_add_global) {
const long newbind = popup_getkey(_("New key for %s:"), name.c_str());
const input_event new_event(newbind, CATA_INPUT_KEYBOARD);
const std::string conflicts = get_conflicts(new_event);
const bool has_conflicts = !conflicts.empty();
bool resolve_conflicts = false;
if (has_conflicts) {
resolve_conflicts = query_yn(
_("This key conflicts with %s. Remove this key from the conflicting command(s), and continue?"),
conflicts.c_str());
}
if (!has_conflicts || resolve_conflicts) {
if (resolve_conflicts) {
clear_conflicting_keybindings(new_event);
}
// We might be adding a local or global action.
std::string category_to_access = category;
if (status == s_add_global) {
category_to_access = default_context_id;
}
inp_mngr.add_input_for_action(action_id, category_to_access, new_event);
changed = true;
}
}
status = s_show;
} else if (action == "DOWN") {
if (scroll_offset < org_registered_actions.size() - display_height) {
scroll_offset++;
}
} else if (action == "UP") {
if (scroll_offset > 0) {
scroll_offset--;
}
} else if (action == "PAGE_DOWN") {
if( scroll_offset + display_height < org_registered_actions.size() ) {
scroll_offset += std::min(display_height, org_registered_actions.size() -
display_height - scroll_offset);
} else if( org_registered_actions.size() > display_height ) {
scroll_offset = 0;
}
} else if( action == "PAGE_UP" ) {
if( scroll_offset >= display_height ) {
scroll_offset -= display_height;
} else if( scroll_offset > 0 ) {
scroll_offset = 0;
} else if( org_registered_actions.size() > display_height ) {
scroll_offset = org_registered_actions.size() - display_height;
}
} else if (action == "QUIT") {
if (status != s_show) {
status = s_show;
} else {
break;
}
} else if (action == "HELP_KEYBINDINGS") {
// update available hotkeys in case they've changed
hotkeys = ctxt.get_available_single_char_hotkeys(display_help_hotkeys);
}
}
if (changed && query_yn(_("Save changes?"))) {
try {
inp_mngr.save();
} catch(std::exception &err) {
popup(_("saving keybindings failed: %s"), err.what());
} catch(std::string &err) {
popup(_("saving keybindings failed: %s"), err.c_str());
}
} else if(changed) {
inp_mngr.action_contexts.swap(old_action_contexts);
}
werase(w_help);
wrefresh(w_help);
delwin(w_help);
}
static void
verify_package (Package *pkg)
{
GSList *requires = NULL;
GSList *conflicts = NULL;
GSList *system_directories = NULL;
GSList *iter;
GSList *requires_iter;
GSList *conflicts_iter;
GSList *system_dir_iter = NULL;
int count;
gchar *c_include_path;
/* Be sure we have the required fields */
if (pkg->key == NULL)
{
fprintf (stderr,
"Internal pkg-config error, package with no key, please file a bug report\n");
exit (1);
}
if (pkg->name == NULL)
{
verbose_error ("Package '%s' has no Name: field\n",
pkg->key);
exit (1);
}
if (pkg->version == NULL)
{
verbose_error ("Package '%s' has no Version: field\n",
pkg->key);
exit (1);
}
if (pkg->description == NULL)
{
verbose_error ("Package '%s' has no Description: field\n",
pkg->key);
exit (1);
}
/* Make sure we have the right version for all requirements */
iter = pkg->requires_private;
while (iter != NULL)
{
Package *req = iter->data;
RequiredVersion *ver = NULL;
if (pkg->required_versions)
ver = g_hash_table_lookup (pkg->required_versions,
req->key);
if (ver)
{
if (!version_test (ver->comparison, req->version, ver->version))
{
verbose_error ("Package '%s' requires '%s %s %s' but version of %s is %s\n",
pkg->name, req->key,
comparison_to_str (ver->comparison),
ver->version,
req->name,
req->version);
if (req->url)
verbose_error ("You may find new versions of %s at %s\n",
req->name, req->url);
exit (1);
}
}
iter = g_slist_next (iter);
}
/* Make sure we didn't drag in any conflicts via Requires
* (inefficient algorithm, who cares)
*/
recursive_fill_list (pkg, get_requires_private, &requires);
conflicts = get_conflicts (pkg);
requires_iter = requires;
while (requires_iter != NULL)
{
Package *req = requires_iter->data;
conflicts_iter = conflicts;
while (conflicts_iter != NULL)
{
RequiredVersion *ver = conflicts_iter->data;
if (version_test (ver->comparison,
req->version,
ver->version))
{
verbose_error ("Version %s of %s creates a conflict.\n"
"(%s %s %s conflicts with %s %s)\n",
req->version, req->name,
ver->name,
comparison_to_str (ver->comparison),
ver->version ? ver->version : "(any)",
ver->owner->name,
ver->owner->version);
exit (1);
}
conflicts_iter = g_slist_next (conflicts_iter);
}
requires_iter = g_slist_next (requires_iter);
}
g_slist_free (requires);
/* We make a list of system directories that gcc expects so we can remove
* them.
*/
#ifndef G_OS_WIN32
system_directories = g_slist_append (NULL, g_strdup ("/usr/include"));
#endif
c_include_path = g_getenv ("C_INCLUDE_PATH");
if (c_include_path != NULL)
{
system_directories = add_env_variable_to_list (system_directories, c_include_path);
}
c_include_path = g_getenv ("CPLUS_INCLUDE_PATH");
if (c_include_path != NULL)
{
system_directories = add_env_variable_to_list (system_directories, c_include_path);
}
count = 0;
iter = pkg->I_cflags;
while (iter != NULL)
{
gint offset = 0;
/* we put things in canonical -I/usr/include (vs. -I /usr/include) format,
* but if someone changes it later we may as well be robust
*/
if (((strncmp (iter->data, "-I", 2) == 0) && (offset = 2))||
((strncmp (iter->data, "-I ", 3) == 0) && (offset = 3)))
{
if (offset == 0)
{
iter = iter->next;
continue;
}
system_dir_iter = system_directories;
while (system_dir_iter != NULL)
{
if (strcmp (system_dir_iter->data,
((char*)iter->data) + offset) == 0)
{
debug_spew ("Package %s has %s in Cflags\n",
pkg->name, (gchar *)iter->data);
if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_CFLAGS") == NULL)
{
debug_spew ("Removing %s from cflags for %s\n", iter->data, pkg->key);
++count;
iter->data = NULL;
break;
}
}
system_dir_iter = system_dir_iter->next;
}
}
iter = iter->next;
}
while (count)
{
pkg->I_cflags = g_slist_remove (pkg->I_cflags, NULL);
--count;
}
g_slist_foreach (system_directories, (GFunc) g_free, NULL);
g_slist_free (system_directories);
#ifdef PREFER_LIB64
#define SYSTEM_LIBDIR "/usr/lib64"
#else
#define SYSTEM_LIBDIR "/usr/lib"
#endif
count = 0;
iter = pkg->L_libs;
while (iter != NULL)
{
if (strcmp (iter->data, "-L" SYSTEM_LIBDIR) == 0 ||
strcmp (iter->data, "-L " SYSTEM_LIBDIR) == 0)
{
debug_spew ("Package %s has -L" SYSTEM_LIBDIR " in Libs\n",
pkg->name);
if (g_getenv ("PKG_CONFIG_ALLOW_SYSTEM_LIBS") == NULL)
{
iter->data = NULL;
++count;
debug_spew ("Removing -L" SYSTEM_LIBDIR " from libs for %s\n", pkg->key);
}
}
iter = iter->next;
}
#undef SYSTEM_LIBDIR
while (count)
{
pkg->L_libs = g_slist_remove (pkg->L_libs, NULL);
--count;
}
}
