static void gui_button_cb_home (I, GuiButtonEvent event) {
(void) event;
iam (Manual);
ManPages pages = (ManPages) my data;
long iHome = ManPages_lookUp (pages, L"Intro");
HyperPage_goToPage_i (me, iHome ? iHome : 1);
}
static void menu_cb_searchForPageList (Manual me, EDITOR_ARGS_FORM) {
EDITOR_FORM (U"Search for page", nullptr)
ManPages manPages = (ManPages) my data;
long numberOfPages;
const char32 **pages = ManPages_getTitles (manPages, & numberOfPages);
LIST (U"Page", manPages -> pages.size, pages, 1)
EDITOR_OK
EDITOR_DO
HyperPage_goToPage_i (me, GET_INTEGER (U"Page"));
EDITOR_END
}
static void menu_cb_searchForPageList (EDITOR_ARGS) {
EDITOR_IAM (Manual);
EDITOR_FORM (L"Search for page", 0)
ManPages manPages = (ManPages) my data;
long numberOfPages;
const wchar_t **pages = ManPages_getTitles (manPages, & numberOfPages);
LIST (L"Page", manPages -> pages -> size, pages, 1)
EDITOR_OK
EDITOR_DO
HyperPage_goToPage_i (me, GET_INTEGER (L"Page"));
EDITOR_END
}
static void search (Manual me, const char32 *query) {
ManPages manPages = (ManPages) my data;
long numberOfPages = manPages -> pages.size;
static MelderString searchText { 0 };
MelderString_copy (& searchText, query);
for (char32 *p = & searchText.string [0]; *p != U'\0'; p ++) {
if (*p == U'\n') *p = U' ';
*p = towlower ((int) *p);
}
if (! goodnessOfMatch)
goodnessOfMatch = NUMvector <double> (1, numberOfPages);
for (long ipage = 1; ipage <= numberOfPages; ipage ++) {
char32 *token = searchText.string;
goodnessOfMatch [ipage] = 1.0;
for (;;) {
char32 *space = str32chr (token, U' ');
if (space) *space = U'\0';
goodnessOfMatch [ipage] *= searchToken (manPages, ipage, token);
if (! space) break;
*space = U' '; // restore
token = space + 1;
}
}
/*
* Find the 20 best matches.
*/
my numberOfMatches = 0;
for (long imatch = 1; imatch <= 20; imatch ++) {
long imax = 0;
double max = 0.0;
for (long ipage = 1; ipage <= numberOfPages; ipage ++) {
if (goodnessOfMatch [ipage] > max) {
max = goodnessOfMatch [ipage];
imax = ipage;
}
}
if (! imax) break;
my matches [++ my numberOfMatches] = imax;
goodnessOfMatch [imax] = 0.0; // skip next time
}
HyperPage_goToPage_i (me, SEARCH_PAGE);
}
static void gui_button_cb_home (Manual me, GuiButtonEvent /* event */) {
ManPages pages = (ManPages) my data;
long iHome = ManPages_lookUp (pages, U"Intro");
HyperPage_goToPage_i (me, iHome ? iHome : 1);
}
static void gui_button_cb_nextPage (I, GuiButtonEvent event) {
(void) event;
iam (HyperPage);
long currentPageNumber = my v_getCurrentPageNumber ();
HyperPage_goToPage_i (me, currentPageNumber < my v_getNumberOfPages () ? currentPageNumber + 1 : 1);
}
static void gui_button_cb_previousPage (I, GuiButtonEvent event) {
(void) event;
iam (HyperPage);
HyperPage_goToPage_i (me, my v_getCurrentPageNumber () > 1 ?
my v_getCurrentPageNumber () - 1 : my v_getNumberOfPages ());
}
