#include "gtkprivate.h"
#include "gtktypebuiltins.h"
-enum {
- EVENT,
- LAST_SIGNAL
-};
-
enum {
PROP_0,
/* Construct args */
GValue *value,
GParamSpec *pspec);
-static guint signals[LAST_SIGNAL] = { 0 };
-
G_DEFINE_TYPE_WITH_PRIVATE (GtkTextTag, gtk_text_tag, G_TYPE_OBJECT)
static void
ADD_SET_PROP ("font-features-set", PROP_FONT_FEATURES_SET,
P_("Font features set"),
P_("Whether this tag affects font features"));
-
- /**
- * GtkTextTag::event:
- * @tag: the #GtkTextTag on which the signal is emitted
- * @object: the object the event was fired from (typically a #GtkTextView)
- * @event: the event which triggered the signal
- * @iter: a #GtkTextIter pointing at the location the event occurred
- *
- * The ::event signal is emitted when an event occurs on a region of the
- * buffer marked with this tag.
- *
- * Returns: %TRUE to stop other handlers from being invoked for the
- * event. %FALSE to propagate the event further.
- */
- signals[EVENT] =
- g_signal_new (I_("event"),
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GtkTextTagClass, event),
- _gtk_boolean_handled_accumulator, NULL,
- _gtk_marshal_BOOLEAN__OBJECT_BOXED_BOXED,
- G_TYPE_BOOLEAN,
- 3,
- G_TYPE_OBJECT,
- GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE,
- GTK_TYPE_TEXT_ITER);
- g_signal_set_va_marshaller (signals[EVENT],
- G_OBJECT_CLASS_TYPE (object_class),
- _gtk_marshal_BOOLEAN__OBJECT_BOXED_BOXEDv);
}
static void
priv->priority = priority;
}
-/**
- * gtk_text_tag_event:
- * @tag: a #GtkTextTag
- * @event_object: object that received the event, such as a widget
- * @event: the event
- * @iter: location where the event was received
- *
- * Emits the “event” signal on the #GtkTextTag.
- *
- * Returns: result of signal emission (whether the event was handled)
- **/
-gboolean
-gtk_text_tag_event (GtkTextTag *tag,
- GObject *event_object,
- GdkEvent *event,
- const GtkTextIter *iter)
-{
- gboolean retval = FALSE;
-
- g_return_val_if_fail (GTK_IS_TEXT_TAG (tag), FALSE);
- g_return_val_if_fail (G_IS_OBJECT (event_object), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- g_signal_emit (tag,
- signals[EVENT],
- 0,
- event_object,
- event,
- iter,
- &retval);
-
- return retval;
-}
-
/**
* gtk_text_tag_changed:
* @tag: a #GtkTextTag.
{
GObjectClass parent_class;
- gboolean (* event) (GtkTextTag *tag,
- GObject *event_object, /* widget, canvas item, whatever */
- GdkEvent *event, /* the event itself */
- const GtkTextIter *iter); /* location of event in buffer */
-
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
GDK_AVAILABLE_IN_ALL
void gtk_text_tag_set_priority (GtkTextTag *tag,
gint priority);
-GDK_AVAILABLE_IN_ALL
-gboolean gtk_text_tag_event (GtkTextTag *tag,
- GObject *event_object,
- GdkEvent *event,
- const GtkTextIter *iter);
GDK_AVAILABLE_IN_3_20
void gtk_text_tag_changed (GtkTextTag *tag,
gboolean size_changed);
gdouble offset_y,
GtkTextView *text_view);
-static gint gtk_text_view_event (GtkWidget *widget,
- GdkEvent *event);
static gint gtk_text_view_key_press_event (GtkWidget *widget,
GdkEventKey *event);
static gint gtk_text_view_key_release_event (GtkWidget *widget,
widget_class->state_flags_changed = gtk_text_view_state_flags_changed;
widget_class->measure = gtk_text_view_measure;
widget_class->size_allocate = gtk_text_view_size_allocate;
- widget_class->event = gtk_text_view_event;
widget_class->key_press_event = gtk_text_view_key_press_event;
widget_class->key_release_event = gtk_text_view_key_release_event;
widget_class->focus_in_event = gtk_text_view_focus_in_event;
* Events
*/
-static gboolean
-get_event_coordinates (GdkEvent *event, gint *x, gint *y)
-{
- gdouble event_x, event_y;
-
- if (event)
- switch ((guint) gdk_event_get_event_type (event))
- {
- case GDK_MOTION_NOTIFY:
- case GDK_BUTTON_PRESS:
- case GDK_BUTTON_RELEASE:
- gdk_event_get_coords (event, &event_x, &event_y);
- *x = event_x;
- *y = event_y;
- return TRUE;
- break;
-
- case GDK_KEY_PRESS:
- case GDK_KEY_RELEASE:
- case GDK_ENTER_NOTIFY:
- case GDK_LEAVE_NOTIFY:
- case GDK_PROPERTY_NOTIFY:
- case GDK_SELECTION_CLEAR:
- case GDK_SELECTION_REQUEST:
- case GDK_SELECTION_NOTIFY:
- case GDK_PROXIMITY_IN:
- case GDK_PROXIMITY_OUT:
- case GDK_DRAG_ENTER:
- case GDK_DRAG_LEAVE:
- case GDK_DRAG_MOTION:
- case GDK_DRAG_STATUS:
- case GDK_DROP_START:
- case GDK_DROP_FINISHED:
- default:
- return FALSE;
- break;
- }
-
- return FALSE;
-}
-
-static gint
-emit_event_on_tags (GtkWidget *widget,
- GdkEvent *event,
- GtkTextIter *iter)
-{
- GSList *tags;
- GSList *tmp;
- gboolean retval = FALSE;
-
- tags = gtk_text_iter_get_tags (iter);
-
- tmp = tags;
- while (tmp != NULL)
- {
- GtkTextTag *tag = tmp->data;
-
- if (gtk_text_tag_event (tag, G_OBJECT (widget), event, iter))
- {
- retval = TRUE;
- break;
- }
-
- tmp = tmp->next;
- }
-
- g_slist_free (tags);
-
- return retval;
-}
-
static void
_text_window_to_widget_coords (GtkTextView *text_view,
gint *x,
GTK_TEXT_HANDLE_POSITION_SELECTION_START);
}
-static gint
-gtk_text_view_event (GtkWidget *widget, GdkEvent *event)
-{
- GtkTextView *text_view;
- GtkTextViewPrivate *priv;
- gint x = 0, y = 0;
- GdkEventType event_type;
-
- text_view = GTK_TEXT_VIEW (widget);
- priv = text_view->priv;
-
- if (priv->layout == NULL ||
- get_buffer (text_view) == NULL)
- return FALSE;
-
- event_type = gdk_event_get_event_type (event);
-
- if (get_event_coordinates (event, &x, &y))
- {
- GtkTextIter iter;
-
- x += priv->xoffset;
- y += priv->yoffset;
-
- /* FIXME this is slow and we do it twice per event.
- * My favorite solution is to have GtkTextLayout cache
- * the last couple lookups.
- */
- gtk_text_layout_get_iter_at_pixel (priv->layout,
- &iter,
- x, y);
-
- return emit_event_on_tags (widget, event, &iter);
- }
- else if (event_type == GDK_KEY_PRESS ||
- event_type == GDK_KEY_RELEASE)
- {
- GtkTextIter iter;
-
- gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter,
- gtk_text_buffer_get_insert (get_buffer (text_view)));
-
- return emit_event_on_tags (widget, event, &iter);
- }
- else
- return FALSE;
-}
-
static gint
gtk_text_view_key_press_event (GtkWidget *widget, GdkEventKey *event)
{
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