/**
* gtk_content_formats_add_text_targets:
* @list: a #GdkContentFormats
*
* Appends the text targets supported by #GtkSelectionData to
* the target list. All targets are added with the same @info.
**/
GdkContentFormats *
gtk_content_formats_add_text_targets (GdkContentFormats *list)
{
GdkContentFormatsBuilder *builder;
g_return_val_if_fail (list != NULL, NULL);
init_atoms ();
builder = gdk_content_formats_builder_new ();
gdk_content_formats_builder_add_formats (builder, list);
gdk_content_formats_unref (list);
/* Keep in sync with gtk_selection_data_targets_include_text()
*/
gdk_content_formats_builder_add_mime_type (builder, utf8_atom);
gdk_content_formats_builder_add_mime_type (builder, ctext_atom);
gdk_content_formats_builder_add_mime_type (builder, text_atom);
gdk_content_formats_builder_add_mime_type (builder, g_intern_static_string ("STRING"));
gdk_content_formats_builder_add_mime_type (builder, text_plain_utf8_atom);
if (!g_get_charset (NULL))
gdk_content_formats_builder_add_mime_type (builder, text_plain_locale_atom);
gdk_content_formats_builder_add_mime_type (builder, text_plain_atom);
return gdk_content_formats_builder_free_to_formats (builder);
}
/**
* gtk_targets_include_image:
* @targets: (array length=n_targets): an array of #GdkAtoms
* @n_targets: the length of @targets
* @writable: whether to accept only targets for which GTK+ knows
* how to convert a pixbuf into the format
*
* Determines if any of the targets in @targets can be used to
* provide a #GdkPixbuf.
*
* Returns: %TRUE if @targets include a suitable target for images,
* otherwise %FALSE.
**/
gboolean
gtk_targets_include_image (GdkAtom *targets,
gint n_targets,
gboolean writable)
{
GdkContentFormats *list;
gint i;
gboolean result = FALSE;
g_return_val_if_fail (targets != NULL || n_targets == 0, FALSE);
list = gdk_content_formats_new (NULL, 0);
list = gtk_content_formats_add_image_targets (list, writable);
for (i = 0; i < n_targets && !result; i++)
{
if (gdk_content_formats_contain_mime_type (list, targets[i]))
{
result = TRUE;
break;
}
}
gdk_content_formats_unref (list);
return result;
}
static void
gdk_clipboard_read_local_async (GdkClipboard *clipboard,
GdkContentFormats *formats,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GdkClipboardPrivate *priv = gdk_clipboard_get_instance_private (clipboard);
GdkContentFormats *content_formats;
const char *mime_type;
GTask *task;
task = g_task_new (clipboard, cancellable, callback, user_data);
g_task_set_priority (task, io_priority);
g_task_set_source_tag (task, gdk_clipboard_read_local_async);
if (priv->content == NULL)
{
g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
_("Cannot read from empty clipboard."));
g_object_unref (task);
return;
}
content_formats = gdk_content_provider_ref_formats (priv->content);
content_formats = gdk_content_formats_union_serialize_mime_types (content_formats);
mime_type = gdk_content_formats_match_mime_type (content_formats, formats);
if (mime_type != NULL)
{
GOutputStream *output_stream;
GIOStream *stream;
stream = gdk_pipe_io_stream_new ();
output_stream = g_io_stream_get_output_stream (stream);
gdk_clipboard_write_async (clipboard,
mime_type,
output_stream,
io_priority,
cancellable,
gdk_clipboard_read_local_write_done,
g_object_ref (output_stream));
g_task_set_task_data (task, (gpointer) mime_type, NULL);
g_task_return_pointer (task, g_object_ref (g_io_stream_get_input_stream (stream)), g_object_unref);
g_object_unref (stream);
}
else
{
g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
_("No compatible formats to transfer clipboard contents."));
}
gdk_content_formats_unref (content_formats);
g_object_unref (task);
}
static gboolean
gdk_clipboard_real_claim (GdkClipboard *clipboard,
GdkContentFormats *formats,
gboolean local,
GdkContentProvider *content)
{
GdkClipboardPrivate *priv = gdk_clipboard_get_instance_private (clipboard);
g_object_freeze_notify (G_OBJECT (clipboard));
gdk_content_formats_unref (priv->formats);
gdk_content_formats_ref (formats);
formats = gdk_content_formats_union_deserialize_gtypes (formats);
priv->formats = formats;
g_object_notify_by_pspec (G_OBJECT (clipboard), properties[PROP_FORMATS]);
if (priv->local != local)
{
priv->local = local;
g_object_notify_by_pspec (G_OBJECT (clipboard), properties[PROP_LOCAL]);
}
if (priv->content != content)
{
GdkContentProvider *old_content = priv->content;
if (content)
priv->content = g_object_ref (content);
else
priv->content = NULL;
if (old_content)
{
g_signal_handlers_disconnect_by_func (old_content,
gdk_clipboard_content_changed_cb,
clipboard);
gdk_content_provider_detach_clipboard (old_content, clipboard);
g_object_unref (old_content);
}
if (content)
{
gdk_content_provider_attach_clipboard (content, clipboard);
g_signal_connect (content,
"content-changed",
G_CALLBACK (gdk_clipboard_content_changed_cb),
clipboard);
}
g_object_notify_by_pspec (G_OBJECT (clipboard), properties[PROP_CONTENT]);
}
g_object_thaw_notify (G_OBJECT (clipboard));
g_signal_emit (clipboard, signals[CHANGED], 0);
return TRUE;
}
/**
* gtk_content_formats_add_image_targets:
* @list: a #GdkContentFormats
* @writable: whether to add only targets for which GTK+ knows
* how to convert a pixbuf into the format
*
* Appends the image targets supported by #GtkSelectionData to
* the target list. All targets are added with the same @info.
**/
GdkContentFormats *
gtk_content_formats_add_image_targets (GdkContentFormats *list,
gboolean writable)
{
GdkContentFormatsBuilder *builder;
GSList *formats, *f;
gchar **mimes, **m;
g_return_val_if_fail (list != NULL, NULL);
builder = gdk_content_formats_builder_new ();
gdk_content_formats_builder_add_formats (builder, list);
gdk_content_formats_unref (list);
formats = gdk_pixbuf_get_formats ();
/* Make sure png comes first */
for (f = formats; f; f = f->next)
{
GdkPixbufFormat *fmt = f->data;
gchar *name;
name = gdk_pixbuf_format_get_name (fmt);
if (strcmp (name, "png") == 0)
{
formats = g_slist_delete_link (formats, f);
formats = g_slist_prepend (formats, fmt);
g_free (name);
break;
}
g_free (name);
}
for (f = formats; f; f = f->next)
{
GdkPixbufFormat *fmt = f->data;
if (writable && !gdk_pixbuf_format_is_writable (fmt))
continue;
mimes = gdk_pixbuf_format_get_mime_types (fmt);
for (m = mimes; *m; m++)
{
gdk_content_formats_builder_add_mime_type (builder, *m);
}
g_strfreev (mimes);
}
g_slist_free (formats);
return gdk_content_formats_builder_free_to_formats (builder);
}
/**
* gtk_content_formats_add_uri_targets:
* @list: a #GdkContentFormats
*
* Appends the URI targets supported by #GtkSelectionData to
* the target list. All targets are added with the same @info.
**/
GdkContentFormats *
gtk_content_formats_add_uri_targets (GdkContentFormats *list)
{
GdkContentFormatsBuilder *builder;
g_return_val_if_fail (list != NULL, NULL);
init_atoms ();
builder = gdk_content_formats_builder_new ();
gdk_content_formats_builder_add_formats (builder, list);
gdk_content_formats_unref (list);
gdk_content_formats_builder_add_mime_type (builder, text_uri_list_atom);
return gdk_content_formats_builder_free_to_formats (builder);
}
static GtkWidget*
create_trash_button (void)
{
GdkContentFormats *targets;
GtkWidget *button;
button = gtk_button_new_with_mnemonic ("_Delete");
targets = gdk_content_formats_new (button_targets, G_N_ELEMENTS (button_targets));
gtk_drag_dest_set (button,
GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
targets,
GDK_ACTION_MOVE);
gdk_content_formats_unref (targets);
g_signal_connect_after (G_OBJECT (button), "drag-data-received",
G_CALLBACK (on_button_drag_data_received), NULL);
return button;
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *hbox, *vbox;
GtkWidget *vbox2, *bbox;
GtkWidget *button;
GtkTreeViewColumn *column;
GtkCellRenderer *cell;
GtkWidget *swindow;
GtkTreeModel *sample_model;
GdkContentFormats *targets;
gint i;
gtk_init ();
/* First initialize all the models for signal purposes */
left_tree_model = (GtkTreeModel *) gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
sample_model = (GtkTreeModel *) gtk_list_store_new (1, G_TYPE_STRING);
sample_tree_view_top = gtk_tree_view_new_with_model (sample_model);
sample_tree_view_bottom = gtk_tree_view_new_with_model (sample_model);
top_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_top));
bottom_right_tree_model = (GtkTreeModel *) view_column_model_new (GTK_TREE_VIEW (sample_tree_view_bottom));
top_right_tree_view = gtk_tree_view_new_with_model (top_right_tree_model);
bottom_right_tree_view = gtk_tree_view_new_with_model (bottom_right_tree_model);
for (i = 0; i < 10; i++)
{
GtkTreeIter iter;
gchar *string = g_strdup_printf ("%d", i);
gtk_list_store_append (GTK_LIST_STORE (sample_model), &iter);
gtk_list_store_set (GTK_LIST_STORE (sample_model), &iter, 0, string, -1);
g_free (string);
}
/* Set up the test windows. */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
gtk_window_set_title (GTK_WINDOW (window), "Top Window");
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (window), swindow);
gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_top);
gtk_widget_show (window);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
gtk_window_set_title (GTK_WINDOW (window), "Bottom Window");
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (window), swindow);
gtk_container_add (GTK_CONTAINER (swindow), sample_tree_view_bottom);
gtk_widget_show (window);
/* Set up the main window */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_default_size (GTK_WINDOW (window), 500, 300);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_container_add (GTK_CONTAINER (window), vbox);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
gtk_box_pack_start (GTK_BOX (vbox), hbox);
/* Left Pane */
cell = gtk_cell_renderer_text_new ();
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
left_tree_view = gtk_tree_view_new_with_model (left_tree_model);
gtk_container_add (GTK_CONTAINER (swindow), left_tree_view);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (left_tree_view), -1,
"Unattached Columns", cell, "text", 0, NULL);
cell = gtk_cell_renderer_toggle_new ();
g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), left_tree_view);
column = gtk_tree_view_column_new_with_attributes ("Visible", cell, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (left_tree_view), column);
gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
gtk_box_pack_start (GTK_BOX (hbox), swindow);
/* Middle Pane */
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_box_pack_start (GTK_BOX (hbox), vbox2);
bbox = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
gtk_box_pack_start (GTK_BOX (vbox2), bbox);
button = gtk_button_new_with_mnemonic ("<< (_Q)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), top_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (top_right_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_pack_start (GTK_BOX (bbox), button);
button = gtk_button_new_with_mnemonic (">> (_W)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), top_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_pack_start (GTK_BOX (bbox), button);
bbox = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_SPREAD);
gtk_box_pack_start (GTK_BOX (vbox2), bbox);
button = gtk_button_new_with_mnemonic ("<< (_E)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_left_clicked), bottom_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (bottom_right_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_pack_start (GTK_BOX (bbox), button);
button = gtk_button_new_with_mnemonic (">> (_R)");
gtk_widget_set_sensitive (button, FALSE);
g_signal_connect (button, "clicked", G_CALLBACK (add_right_clicked), bottom_right_tree_view);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (left_tree_view)),
"changed", G_CALLBACK (selection_changed), button);
gtk_box_pack_start (GTK_BOX (bbox), button);
/* Right Pane */
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_box_pack_start (GTK_BOX (hbox), vbox2);
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (top_right_tree_view), FALSE);
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (top_right_tree_view), -1,
NULL, cell, "text", 0, NULL);
cell = gtk_cell_renderer_toggle_new ();
g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), top_right_tree_view);
column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (top_right_tree_view), column);
gtk_container_add (GTK_CONTAINER (swindow), top_right_tree_view);
gtk_box_pack_start (GTK_BOX (vbox2), swindow);
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (bottom_right_tree_view), FALSE);
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (bottom_right_tree_view), -1,
NULL, cell, "text", 0, NULL);
cell = gtk_cell_renderer_toggle_new ();
g_signal_connect (cell, "toggled", G_CALLBACK (set_visible), bottom_right_tree_view);
column = gtk_tree_view_column_new_with_attributes (NULL, cell, NULL);
gtk_tree_view_column_set_cell_data_func (column, cell, get_visible, NULL, NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (bottom_right_tree_view), column);
gtk_container_add (GTK_CONTAINER (swindow), bottom_right_tree_view);
gtk_box_pack_start (GTK_BOX (vbox2), swindow);
/* Drag and Drop */
targets = gdk_content_formats_new (row_targets, G_N_ELEMENTS (row_targets));
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (left_tree_view),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (left_tree_view),
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (top_right_tree_view),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (top_right_tree_view),
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (bottom_right_tree_view),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (bottom_right_tree_view),
targets,
GDK_ACTION_MOVE);
gdk_content_formats_unref (targets);
gtk_box_pack_start (GTK_BOX (vbox), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
gtk_box_pack_start (GTK_BOX (vbox), hbox);
button = gtk_button_new_with_mnemonic ("_Add new Column");
g_signal_connect (button, "clicked", G_CALLBACK (add_clicked), left_tree_model);
gtk_box_pack_start (GTK_BOX (hbox), button);
gtk_widget_show (window);
gtk_main ();
return 0;
}
int
main (int argc,
char **argv)
{
GtkWidget *window;
GtkWidget *sw;
GtkWidget *tv;
GtkWidget *box;
GtkWidget *combo_box;
GtkTreeModel *model;
GdkContentFormats *targets;
gint i;
gtk_init ();
if (g_getenv ("RTL"))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
our_pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) book_closed_xpm);
#if 0
models[MODEL_TYPES] = GTK_TREE_MODEL (gtk_tree_model_types_new ());
#endif
models[MODEL_LIST] = create_list_model ();
models[MODEL_TREE] = create_tree_model ();
model = create_list_model ();
models[MODEL_SORTED_LIST] = gtk_tree_model_sort_new_with_model (model);
g_object_unref (model);
model = create_tree_model ();
models[MODEL_SORTED_TREE] = gtk_tree_model_sort_new_with_model (model);
g_object_unref (model);
models[MODEL_EMPTY_LIST] = GTK_TREE_MODEL (gtk_list_store_new (1, G_TYPE_INT));
models[MODEL_EMPTY_TREE] = GTK_TREE_MODEL (gtk_tree_store_new (1, G_TYPE_INT));
models[MODEL_NULL] = NULL;
run_automated_tests ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_default_size (GTK_WINDOW (window), 430, 400);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (window), box);
tv = gtk_tree_view_new_with_model (models[0]);
g_signal_connect (tv, "row-activated", G_CALLBACK (on_row_activated), NULL);
targets = gdk_content_formats_new (row_targets, G_N_ELEMENTS (row_targets));
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (tv),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (tv),
targets,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
gdk_content_formats_unref (targets);
/* Model menu */
combo_box = gtk_combo_box_text_new ();
gtk_widget_set_halign (combo_box, GTK_ALIGN_CENTER);
for (i = 0; i < MODEL_LAST; i++)
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), model_names[i]);
gtk_container_add (GTK_CONTAINER (box), combo_box);
g_signal_connect (combo_box,
"changed",
G_CALLBACK (model_selected),
tv);
/* Columns menu */
combo_box = gtk_combo_box_text_new ();
gtk_widget_set_halign (combo_box, GTK_ALIGN_CENTER);
for (i = 0; i < COLUMNS_LAST; i++)
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), column_type_names[i]);
gtk_container_add (GTK_CONTAINER (box), combo_box);
set_columns_type (GTK_TREE_VIEW (tv), COLUMNS_LOTS);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), COLUMNS_LOTS);
g_signal_connect (combo_box,
"changed",
G_CALLBACK (columns_selected),
tv);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_hexpand (sw, TRUE);
gtk_widget_set_vexpand (sw, TRUE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (box), sw);
gtk_container_add (GTK_CONTAINER (sw), tv);
gtk_widget_show (window);
gtk_main ();
return 0;
}