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authorPřemysl Janouch <p.janouch@gmail.com>2013-05-18 23:48:24 +0200
committerPřemysl Janouch <p.janouch@gmail.com>2013-05-18 23:48:53 +0200
commitc09e3dcc9631ed9db9fbffa96e54e1f34766ce90 (patch)
tree89c9be2b59748d06fddf953a70d500b70451d961 /src
parentec57f2d8066a4c11b68babcc0277ddcffc68ab60 (diff)
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Show some help/about information
Diffstat (limited to 'src')
-rw-r--r--src/sdtui.c78
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)