//!
//! @brief To be written
//!
G_MODULE_EXPORT int gw_kanjipadwindow_drawingarea_button_release_event_cb (GtkWidget *widget, GdkEventButton *event, gpointer data)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
cairo_t *cr;
//Initializations
window = GW_KANJIPADWINDOW (gtk_widget_get_ancestor (GTK_WIDGET (data), GW_TYPE_KANJIPADWINDOW));
if (window == NULL) return FALSE;
priv = window->priv;
if (priv->annotate)
{
//Initializations
cr = cairo_create(priv->surface);
gw_kanjipadwindow_annotate_drawingarea_stroke (window, priv->curstroke, cr, g_list_length (priv->strokes) + 1);
cairo_destroy(cr);
gtk_widget_queue_draw (GTK_WIDGET (priv->drawingarea));
}
priv->strokes = g_list_append (priv->strokes, priv->curstroke);
priv->curstroke = NULL;
priv->instroke = FALSE;
_kanjipadwindow_initialize_drawingarea (window);
return FALSE;
}
//!
//! @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;
}
static void
gw_kanjipadwindow_finalize (GObject *object)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
GSource *source;
GError *error;
GList *link;
window = GW_KANJIPADWINDOW (object);
priv = window->priv;
error = NULL;
for (link = priv->strokes; link != NULL; link = link->next)
gw_kanjipadwindow_free_drawingarea_stroke (link->data);
if (priv->strokes != NULL) g_list_free (priv->strokes); priv->strokes = NULL;
if (priv->strokes != NULL) g_list_free (priv->curstroke); priv->curstroke = NULL;
if (priv->ksurface != NULL) cairo_surface_destroy (priv->ksurface); priv->ksurface = NULL;
if (priv->surface != NULL) cairo_surface_destroy (priv->surface); priv->surface = NULL;
if (g_main_current_source () != NULL &&
!g_source_is_destroyed (g_main_current_source ()) &&
priv->iowatchid > 0
)
{
source = g_main_context_find_source_by_id (NULL, priv->iowatchid);
if (source != NULL)
{
g_source_destroy (source);
}
}
priv->iowatchid = 0;
if (error == NULL)
{
g_io_channel_shutdown (priv->from_engine, FALSE, &error);
g_io_channel_unref (priv->from_engine);
priv->from_engine = NULL;
}
if (error == NULL)
{
g_io_channel_shutdown (priv->to_engine, FALSE, &error);
g_io_channel_unref (priv->to_engine);
priv->to_engine = NULL;
}
g_spawn_close_pid (priv->engine_pid);
if (error != NULL)
{
fprintf(stderr, "Errored: %s\n", error->message);
exit(EXIT_FAILURE);
}
G_OBJECT_CLASS (gw_kanjipadwindow_parent_class)->finalize (object);
}
//!
//! @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 int gw_kanjipadwindow_drawingarea_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;
if (priv->surface == NULL)
return FALSE;
cairo_set_source_surface (cr, priv->surface, 0, 0);
cairo_paint (cr);
return TRUE;
}
//!
//! @brief To be written
//!
static void _kanjipadwindow_primary_candidates_get (GtkClipboard *clipboard, GtkSelectionData *selection_data, guint info, gpointer data)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
gchar *string_utf;
window = GW_KANJIPADWINDOW (data);
priv = window->priv;
if (priv->kselected[0] || priv->kselected[1])
{
string_utf = _kanjipadwindow_utf8_for_char (priv->kselected);
gtk_selection_data_set_text (selection_data, string_utf, -1);
g_free (string_utf);
}
}
//!
//! @brief To be written
//!
static void _kanjipadwindow_primary_candidates_clear (GtkClipboard *clipboard, gpointer data)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
window = GW_KANJIPADWINDOW (data);
if (window == NULL) return;
priv = window->priv;
_kanjipadwindow_erase_candidate_selection (window);
priv->kselected[0] = 0;
priv->kselected[1] = 0;
gtk_widget_queue_draw (GTK_WIDGET (priv->candidates));
}
//!
//! @brief Sets up the variables in main-interface.c and main-callbacks.c for use
//!
GtkWindow*
gw_kanjipadwindow_new (GtkApplication *application)
{
g_assert (application != NULL);
//Declarations
GwKanjipadWindow *window;
//Initializations
window = GW_KANJIPADWINDOW (g_object_new (GW_TYPE_KANJIPADWINDOW,
"type", GTK_WINDOW_TOPLEVEL,
"application", GW_APPLICATION (application),
"ui-xml", "kanjipadwindow.ui",
NULL));
return GTK_WINDOW (window);
}
//!
//! @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;
}
//!
//! @brief To be written
//!
G_MODULE_EXPORT int gw_kanjipadwindow_drawingarea_button_press_event_cb (GtkWidget *widget, GdkEventButton *event, gpointer *data)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
GdkPoint *point;
window = GW_KANJIPADWINDOW (gtk_widget_get_ancestor (GTK_WIDGET (data), GW_TYPE_KANJIPADWINDOW));
if (window == NULL) return FALSE;
priv = window->priv;
if (event->button == 1)
{
point = g_new (GdkPoint, 1);
point->x = event->x;
point->y = event->y;
priv->curstroke = g_list_append (priv->curstroke, point);
priv->instroke = TRUE;
}
return TRUE;
}
static void
gw_kanjipadwindow_constructed (GObject *object)
{
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
GtkAccelGroup *accelgroup;
//Chain the parent class
{
G_OBJECT_CLASS (gw_kanjipadwindow_parent_class)->constructed (object);
}
window = GW_KANJIPADWINDOW (object);
priv = window->priv;
accelgroup = gw_window_get_accel_group (GW_WINDOW (window));
gw_kanjipadwindow_map_actions (G_ACTION_MAP (window), window);
gtk_window_set_title (GTK_WINDOW (window), gettext("gWaei Kanjipad"));
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
gtk_window_set_type_hint (GTK_WINDOW (window), GDK_WINDOW_TYPE_HINT_UTILITY);
gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE);
gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE);
gtk_window_set_destroy_with_parent (GTK_WINDOW (window), TRUE);
gtk_window_set_icon_name (GTK_WINDOW (window), "gwaei");
priv->drawingarea = GTK_DRAWING_AREA (gw_window_get_object (GW_WINDOW (window), "kdrawing_area"));
priv->candidates = GTK_DRAWING_AREA (gw_window_get_object (GW_WINDOW (window), "kguesses"));
priv->close_button = GTK_BUTTON (gw_window_get_object (GW_WINDOW (window), "close_button"));
gw_kanjipadwindow_initialize_drawingarea (window);
gw_kanjipadwindow_initialize_candidates (window);
_kanjipadwindow_initialize_engine (window);
gtk_widget_add_accelerator (GTK_WIDGET (priv->close_button), "activate",
accelgroup, (GDK_KEY_Escape), 0, GTK_ACCEL_VISIBLE);
gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (priv->close_button), "win.close");
gw_window_unload_xml (GW_WINDOW (window));
}
//!
//! @brief To be written
//!
G_MODULE_EXPORT int gw_kanjipadwindow_drawingarea_configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, gpointer data)
{
//Declarations
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
//Initializations
window = GW_KANJIPADWINDOW (gtk_widget_get_ancestor (GTK_WIDGET (data), GW_TYPE_KANJIPADWINDOW));
if (window == NULL) return FALSE;
priv = window->priv;
if (priv->surface != NULL)
{
cairo_surface_destroy (priv->surface);
priv->surface = NULL;
}
priv->surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, event->width, event->height);
_kanjipadwindow_initialize_drawingarea (window);
return TRUE;
}
//!
//! @brief To be written
//!
G_MODULE_EXPORT gint
gw_kanjipadwindow_drawingarea_motion_event_cb (GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
//Declarations
GwKanjipadWindow *window;
GwKanjipadWindowPrivate *priv;
gint x,y;
GdkModifierType state;
GdkRectangle rect;
GdkPoint *point;
int xmin, ymin, xmax, ymax;
GdkPoint *old;
cairo_t *cr;
window = GW_KANJIPADWINDOW (gtk_widget_get_ancestor (GTK_WIDGET (data), GW_TYPE_KANJIPADWINDOW));
if (window == NULL) return FALSE;
priv = window->priv;
if (event->is_hint)
{
gdk_window_get_device_position (
gtk_widget_get_window (GTK_WIDGET (widget)),
gdk_event_get_device ((GdkEvent*) event),
&x,
&y,
&state
);
}
else
{
x = event->x;
y = event->y;
state = event->state;
}
if (priv->instroke == TRUE && (state & GDK_BUTTON1_MASK))
{
old = (GdkPoint*) g_list_last (priv->curstroke)->data;
//extend line
cr = cairo_create(priv->surface);
cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
cairo_set_line_width (cr, 2.0 );
cairo_move_to (cr, old->x, old->y);
cairo_line_to (cr, x, y);
cairo_stroke (cr);
cairo_destroy(cr);
if (old->x < x) { xmin = old->x; xmax = x; }
else { xmin = x; xmax = old->x; }
if (old->y < y) { ymin = old->y; ymax = y; }
else { ymin = y; ymax = old->y; }
rect.x = xmin - 1 - 3;
rect.y = ymin = 1 - 3;
rect.width = xmax - xmin + 2 + 3;
rect.height = ymax - ymin + 2 + 3;
gdk_window_invalidate_rect (gtk_widget_get_window (widget), &rect, FALSE);
point = g_new (GdkPoint, 1);
point->x = x;
point->y = y;
priv->curstroke = g_list_append (priv->curstroke, point);
gtk_widget_queue_draw (GTK_WIDGET (priv->drawingarea));
}
return TRUE;
}
