textview: Port to GtkDragSource

This commit is contained in:
Matthias Clasen 2019-12-31 09:24:13 -05:00
parent a52757874e
commit b15c31a3f7

View File

@ -418,17 +418,6 @@ static gboolean get_middle_click_paste (GtkTextView *text_view);
static GtkTextBuffer* gtk_text_view_create_buffer (GtkTextView *text_view);
/* Source side drag signals */
static void gtk_text_view_drag_begin (GtkWidget *widget,
GdkDrag *drag);
static void gtk_text_view_drag_end (GtkWidget *widget,
GdkDrag *drag);
static void gtk_text_view_drag_data_get (GtkWidget *widget,
GdkDrag *drag,
GtkSelectionData *selection_data);
static void gtk_text_view_drag_data_delete (GtkWidget *widget,
GdkDrag *drag);
/* Target side drag signals */
static void gtk_text_view_drag_leave (GtkWidget *widget,
GdkDrop *drop);
@ -712,10 +701,6 @@ gtk_text_view_class_init (GtkTextViewClass *klass)
widget_class->size_allocate = gtk_text_view_size_allocate;
widget_class->snapshot = gtk_text_view_snapshot;
widget_class->focus = gtk_text_view_focus;
widget_class->drag_begin = gtk_text_view_drag_begin;
widget_class->drag_end = gtk_text_view_drag_end;
widget_class->drag_data_get = gtk_text_view_drag_data_get;
widget_class->drag_data_delete = gtk_text_view_drag_data_delete;
widget_class->drag_leave = gtk_text_view_drag_leave;
widget_class->drag_motion = gtk_text_view_drag_motion;
@ -6698,8 +6683,7 @@ gtk_text_view_copy_clipboard (GtkTextView *text_view)
{
GdkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view));
gtk_text_buffer_copy_clipboard (get_buffer (text_view),
clipboard);
gtk_text_buffer_copy_clipboard (get_buffer (text_view), clipboard);
/* on copy do not scroll, we are already onscreen */
}
@ -7691,30 +7675,15 @@ gtk_text_view_im_context_filter_keypress (GtkTextView *text_view,
*/
static void
drag_begin_cb (GtkWidget *widget,
GdkDrag *drag,
gpointer data)
gtk_text_view_drag_data_delete (GtkTextView *text_view)
{
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
GtkTextIter start;
GtkTextIter end;
GdkPaintable *paintable = NULL;
gtk_text_buffer_delete_selection (text_view->priv->buffer, TRUE, text_view->priv->editable);
}
g_signal_handlers_disconnect_by_func (widget, drag_begin_cb, NULL);
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
paintable = gtk_text_util_create_rich_drag_icon (widget, buffer, &start, &end);
if (paintable)
{
gtk_drag_set_icon_paintable (drag, paintable, 0, 0);
g_object_unref (paintable);
}
else
{
gtk_drag_set_icon_default (drag);
}
static void
drag_end (GtkTextView *self)
{
g_object_set_data (G_OBJECT (self), "drag-source", NULL);
}
static void
@ -7724,78 +7693,36 @@ gtk_text_view_start_selection_dnd (GtkTextView *text_view,
gint x,
gint y)
{
GdkContentFormats *formats;
formats = gdk_content_formats_new_for_gtype (GTK_TYPE_TEXT_BUFFER);
g_signal_connect (text_view, "drag-begin",
G_CALLBACK (drag_begin_cb), NULL);
gtk_drag_begin (GTK_WIDGET (text_view),
gdk_event_get_device (event),
formats,
GDK_ACTION_COPY | GDK_ACTION_MOVE,
x, y);
}
static void
gtk_text_view_drag_begin (GtkWidget *widget,
GdkDrag *drag)
{
/* do nothing */
}
static void
gtk_text_view_drag_end (GtkWidget *widget,
GdkDrag *drag)
{
GtkTextView *text_view;
text_view = GTK_TEXT_VIEW (widget);
text_view->priv->dnd_x = text_view->priv->dnd_y = -1;
}
static void
gtk_text_view_drag_data_get (GtkWidget *widget,
GdkDrag *drag,
GtkSelectionData *selection_data)
{
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
GtkWidget *widget = GTK_WIDGET (text_view);
GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
GtkDragSource *source;
GdkContentProvider *content;
GtkTextIter start, end;
GdkDragAction actions;
GdkDevice *device;
if (gtk_selection_data_get_target (selection_data) == g_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"))
{
gtk_selection_data_set (selection_data,
g_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"),
8, /* bytes */
(void*)&buffer,
sizeof (buffer));
}
if (text_view->priv->editable)
actions = GDK_ACTION_COPY | GDK_ACTION_MOVE;
else
actions = GDK_ACTION_COPY;
content = gtk_text_buffer_get_selection_content (buffer);
source = gtk_drag_source_new (content, actions);
g_object_unref (content);
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
{
GtkTextIter start;
GtkTextIter end;
gchar *str = NULL;
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
{
/* Extract the selected text */
str = gtk_text_iter_get_visible_text (&start, &end);
}
if (str)
{
gtk_selection_data_set_text (selection_data, str, -1);
g_free (str);
}
GdkPaintable *paintable;
paintable = gtk_text_util_create_rich_drag_icon (widget, buffer, &start, &end);
gtk_drag_source_set_icon (source, paintable, 0, 0);
g_object_unref (paintable);
}
}
static void
gtk_text_view_drag_data_delete (GtkWidget *widget,
GdkDrag *drag)
{
gtk_text_buffer_delete_selection (GTK_TEXT_VIEW (widget)->priv->buffer,
TRUE, GTK_TEXT_VIEW (widget)->priv->editable);
g_signal_connect_swapped (source, "drag-data-delete",
G_CALLBACK (gtk_text_view_drag_data_delete), text_view);
g_signal_connect_swapped (source, "drag-end",
G_CALLBACK (drag_end), text_view);
device = gdk_event_get_device (event);
gtk_drag_source_drag_begin (source, widget, device, x, y);
}
static void
@ -7969,12 +7896,16 @@ gtk_text_view_get_action (GtkWidget *textview,
GdkDrop *drop)
{
GdkDrag *drag = gdk_drop_get_drag (drop);
GtkWidget *source_widget = gtk_drag_get_source_widget (drag);
GtkDragSource *source;
GtkDragSource *source1;
GdkDragAction actions;
actions = gdk_drop_get_actions (drop);
if (source_widget == textview &&
source = drag ? gtk_drag_get_source (drag) : NULL;
source1 = (GtkDragSource*)g_object_get_data (G_OBJECT (textview), "drag-source");
if (source && source == source1 &&
actions & GDK_ACTION_MOVE)
return GDK_ACTION_MOVE;