AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

tests: Do proper local DND

Browse Source 
Just transfer GValues.
This commit is contained in:
Benjamin Otte 2020-02-15 21:07:26 +01:00
parent 46bbb397e1
commit b844f34cda
1 changed files with 35 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
tests/testlist3.c
View File

@ -1,8 +1,21 @@
#include <gtk/gtk.h>
static const char *entries[] = {
"GTK_LIST_BOX_ROW"
};
static GdkContentProvider *
prepare (GtkDragSource *source,
double x,
double y,
GtkWidget *row)
{
GdkContentProvider *content;
GValue value = G_VALUE_INIT;
g_value_init (&value, GTK_TYPE_LIST_BOX_ROW);
g_value_set_object (&value, row);
content = gdk_content_provider_new_for_value (&value);
g_value_unset (&value);
return content;
}
static void
drag_begin (GtkDragSource *source,
@ -29,46 +42,49 @@ got_row (GObject *src,
GAsyncResult *result,
gpointer data)
{
GtkDropTarget *dest = GTK_DROP_TARGET (src);
GdkDrop *drop = GDK_DROP (src);
GtkWidget *target = data;
GtkWidget *row;
GtkWidget *source;
int pos;
GtkSelectionData *selection_data;
selection_data = gtk_drop_target_read_selection_finish (dest, result, NULL);
source = g_value_get_object (gdk_drop_read_value_finish (drop, result, NULL));
if (source == NULL)
{
gdk_drop_finish (drop, 0);
return;
}
pos = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (target));
row = (gpointer)* (gpointer*)gtk_selection_data_get_data (selection_data);
source = gtk_widget_get_ancestor (row, GTK_TYPE_LIST_BOX_ROW);
gtk_selection_data_free (selection_data);
if (source == target)
return;
{
gdk_drop_finish (drop, 0);
return;
}
g_object_ref (source);
gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (source)), source);
gtk_list_box_insert (GTK_LIST_BOX (gtk_widget_get_parent (target)), source, pos);
g_object_unref (source);
gdk_drop_finish (drop, GDK_ACTION_MOVE);
}
static void
static gboolean
drag_drop (GtkDropTarget *dest,
GdkDrop *drop,
int x,
int y,
gpointer data)
{
gtk_drop_target_read_selection (dest, "GTK_LIST_BOX_ROW", NULL, got_row, data);
gdk_drop_read_value_async (drop, GTK_TYPE_LIST_BOX_ROW, G_PRIORITY_DEFAULT, NULL, got_row, data);
return TRUE;
}
static GtkWidget *
create_row (const gchar *text)
{
GtkWidget *row, *box, *label, *image;
GBytes *bytes;
GdkContentProvider *content;
GdkContentFormats *targets;
GtkDragSource *source;
GtkDropTarget *dest;
@ -83,15 +99,13 @@ create_row (const gchar *text)
gtk_container_add (GTK_CONTAINER (box), label);
gtk_container_add (GTK_CONTAINER (box), image);
bytes = g_bytes_new (&row, sizeof (gpointer));
content = gdk_content_provider_new_for_bytes ("GTK_LIST_BOX_ROW", bytes);
source = gtk_drag_source_new ();
gtk_drag_source_set_content (source, content);
gtk_drag_source_set_actions (source, GDK_ACTION_MOVE);
g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), image);
g_signal_connect (source, "prepare", G_CALLBACK (prepare), row);
gtk_widget_add_controller (image, GTK_EVENT_CONTROLLER (source));
targets = gdk_content_formats_new (entries, 1);
targets = gdk_content_formats_new_for_gtype (GTK_TYPE_LIST_BOX_ROW);
dest = gtk_drop_target_new (targets, GDK_ACTION_MOVE);
g_signal_connect (dest, "drag-drop", G_CALLBACK (drag_drop), row);
gtk_widget_add_controller (GTK_WIDGET (row), GTK_EVENT_CONTROLLER (dest));