//!
//! @brief To be written
//!
G_MODULE_EXPORT gboolean gw_kanjipadwindow_candidatearea_button_press_event_cb (GtkWidget *widget, GdkEventButton *event, gpointer data)
{
//Declarations
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
GwKanjipadWindowClass *klass;
int j;
gint char_height;
GtkClipboard *clipboard;
char *string_utf;
//Initializations
window = GW_KANJIPADWINDOW (gtk_widget_get_ancestor (GTK_WIDGET (data), GW_TYPE_KANJIPADWINDOW));
if (window == NULL) return FALSE;
priv = window->priv;
klass = GW_KANJIPADWINDOW_CLASS (G_OBJECT_GET_CLASS (window));
clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
static const GtkTargetEntry targets[] = {
{ "STRING", 0, 0 },
{ "TEXT", 0, 0 },
{ "COMPOUND_TEXT", 0, 0 },
{ "UTF8_STRING", 0, 0 }
};
_kanjipadwindow_erase_candidate_selection (window);
_kanjipadwindow_get_candidate_character_size (window, NULL, &char_height);
j = event->y / (char_height + 6);
if (j < priv->total_candidates)
{
gw_kanjipadwindow_draw_candidates (window);
strncpy(priv->kselected, priv->kanji_candidates[j], 2);
_kanjipadwindow_draw_candidate_character (window, j, 1);
if (!gtk_clipboard_set_with_owner (clipboard, targets, G_N_ELEMENTS (targets),
_kanjipadwindow_primary_candidates_get, _kanjipadwindow_primary_candidates_clear, G_OBJECT (widget)))
_kanjipadwindow_primary_candidates_clear (clipboard, widget);
}
else
{
priv->kselected[0] = 0;
priv->kselected[1] = 0;
if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (widget))
gtk_clipboard_clear (clipboard);
}
gtk_widget_queue_draw (widget);
string_utf = _kanjipadwindow_utf8_for_char (priv->kselected);
g_signal_emit (G_OBJECT (window), klass->signalid[GW_KANJIPADWINDOW_CLASS_SIGNALID_KANJI_SELECTED], 0, string_utf);
g_free (string_utf);
//Cleanup so the user can draw the next character
gw_kanjipadwindow_clear_drawingarea (window);
return TRUE;
}
//!
//! @brief To be written
//!
static gboolean _kanjipadwindow_engine_input_handler (GIOChannel *source, GIOCondition condition, gpointer data)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
static gchar *p;
static gchar *line;
GError *error;
GIOStatus status;
int i;
window = GW_KANJIPADWINDOW (data);
priv = window->priv;
error = NULL;
status = g_io_channel_read_line (priv->from_engine, &line, NULL, NULL, &error);
switch (status)
{
case G_IO_STATUS_ERROR:
fprintf (stderr, "Error reading from engine: %s\n", error->message);
exit(EXIT_FAILURE);
break;
case G_IO_STATUS_NORMAL:
break;
case G_IO_STATUS_EOF:
fprintf (stderr, "Engine no longer exists");
exit (EXIT_FAILURE);
break;
case G_IO_STATUS_AGAIN:
g_assert_not_reached ();
break;
}
if (line[0] == 'K')
{
unsigned int t1, t2;
p = line + 1;
for (i = 0; i < GW_KANJIPADWINDOW_MAX_GUESSES; i++)
{
while (*p && isspace(*p)) p++;
if (!*p || sscanf(p, "%2x%2x", &t1, &t2) != 2)
{
i--;
break;
}
priv->kanji_candidates[i][0] = t1;
priv->kanji_candidates[i][1] = t2;
while (*p && !isspace(*p)) p++;
}
priv->total_candidates = i + 1;
gw_kanjipadwindow_draw_candidates (window);
}
g_free (line);
return TRUE;
}
//!
//! @brief To be written
//!
G_MODULE_EXPORT gboolean gw_kanjipadwindow_candidatearea_configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, gpointer data)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
window = GW_KANJIPADWINDOW (gtk_widget_get_ancestor (GTK_WIDGET (data), GW_TYPE_KANJIPADWINDOW));
if (window == NULL) return FALSE;
priv = window->priv;
if (priv->ksurface)
cairo_surface_destroy (priv->ksurface);
priv->ksurface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, event->width, event->height);
gw_kanjipadwindow_draw_candidates (window);
return TRUE;
}
//!
//! @brief To be written
//!
G_MODULE_EXPORT gboolean gw_kanjipadwindow_candidatearea_draw_cb (GtkWidget *widget, cairo_t *cr, gpointer data)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
window = GW_KANJIPADWINDOW (gtk_widget_get_ancestor (GTK_WIDGET (data), GW_TYPE_KANJIPADWINDOW));
if (window == NULL) return FALSE;
priv = window->priv;
//Sanity check
if (priv->ksurface == NULL) return FALSE;
cairo_set_source_surface (cr, priv->ksurface, 0, 0);
gw_kanjipadwindow_draw_candidates (window);
if (priv->kanji_candidate_index > -1) _kanjipadwindow_draw_candidate_character (window, priv->kanji_candidate_index, 1);
cairo_paint (cr);
return TRUE;
}
