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Show some help/about information

This commit is contained in:
Přemysl Eric Janouch 2013-05-18 23:48:24 +02:00
parent ec57f2d806
commit c09e3dcc96
1 changed files with 73 additions and 5 deletions
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78
src/sdtui.c
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@ -172,6 +172,7 @@ struct application
GIConv wchar_to_utf8; //!< wchar_t -> utf-8 conversion
StardictDict * dict; //!< The current dictionary
guint show_help : 1; //!< Whether help can be shown
guint32 top_position; //!< Index of the topmost dict. entry
guint top_offset; //!< Offset into the top entry
@ -298,6 +299,7 @@ app_init (Application *self, const gchar *filename)
}
self->terminal_type = get_terminal_type ();
self->show_help = TRUE;
self->top_position = 0;
self->top_offset = 0;
@ -341,7 +343,7 @@ app_destroy (Application *self)
* @return The number of wide characters written.
*/
static gsize
add_utf8_string (Application *self, const gchar *str, int n)
app_add_utf8_string (Application *self, const gchar *str, int n)
{
wchar_t *wide_str = (wchar_t *) g_convert_with_iconv
(str, -1, self->utf8_to_wchar, NULL, NULL, NULL);
@ -372,7 +374,7 @@ app_redraw_top (Application *self)
{
mvwhline (stdscr, 0, 0, A_UNDERLINE, COLS);
attrset (A_UNDERLINE);
gsize indent = add_utf8_string (self, self->search_label, -1);
gsize indent = app_add_utf8_string (self, self->search_label, -1);
gchar *input_utf8 = g_ucs4_to_utf8
((gunichar *) self->input->data, -1, NULL, NULL, NULL);
@ -380,7 +382,7 @@ app_redraw_top (Application *self)
if (self->input_confirmed)
attron (A_BOLD);
add_utf8_string (self, input_utf8, COLS - indent);
app_add_utf8_string (self, input_utf8, COLS - indent);
g_free (input_utf8);
move (0, indent + self->input_pos);
@ -399,10 +401,73 @@ app_get_left_column_width (Application *self)
return width;
}
/** Display a message in the view area. */
static void
app_show_message (Application *self, const gchar *lines[], gsize len)
{
gint top = (LINES - 1 - len) / 2;
gint i;
for (i = 0; i < top; i++)
{
move (1 + i, 0);
clrtoeol ();
}
attrset (0);
while (len-- && i < LINES - 1)
{
move (1 + i, 0);
clrtoeol ();
gint x = (COLS - g_utf8_strlen (*lines, -1)) / 2;
if (x < 0)
x = 0;
move (1 + i, x);
app_add_utf8_string (self, *lines, COLS - x);
lines++;
i++;
}
clrtobot ();
refresh ();
}
/** Show some information about the program. */
static void
app_show_help (Application *self)
{
gchar *description = g_locale_to_utf8
(_("Terminal UI for StarDict dictionaries"), -1, NULL, NULL, NULL);
gchar *type_to_search = g_locale_to_utf8
(_("Type to search"), -1, NULL, NULL, NULL);
const gchar *lines[] =
{
PROJECT_NAME " " PROJECT_VERSION,
description,
"Copyright (c) 2013, Přemysl Janouch",
"",
type_to_search
};
app_show_message (self, lines, G_N_ELEMENTS (lines));
g_free (description);
g_free (type_to_search);
}
/** Redraw the dictionary view. */
static void
app_redraw_view (Application *self)
{
if (self->show_help)
{
app_show_help (self);
return;
}
move (1, 0);
guint i, k = self->top_offset, shown = 0;
@ -417,9 +482,10 @@ app_redraw_view (Application *self)
attrset (attrs);
guint left_width = app_get_left_column_width (self);
add_utf8_string (self, ve->word, left_width);
app_add_utf8_string (self, ve->word, left_width);
addwstr (L" ");
add_utf8_string (self, ve->definitions[k], COLS - left_width - 1);
app_add_utf8_string (self,
ve->definitions[k], COLS - left_width - 1);
if ((gint) ++shown == LINES - 1)
goto done;
@ -889,6 +955,8 @@ app_process_curses_event (Application *self, CursesEvent *event)
gunichar c = g_utf8_get_char (letter);
if (g_unichar_isprint (c))
{
self->show_help = FALSE;
if (self->input_confirmed)
{
if (self->input->len != 0)