diff options
Diffstat (limited to 'src/sdtui.c')
| -rw-r--r-- | src/sdtui.c | 78 |
1 files changed, 73 insertions, 5 deletions
diff --git a/src/sdtui.c b/src/sdtui.c index f576276..eb6034c 100644 --- a/src/sdtui.c +++ b/src/sdtui.c @@ -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) |