gtk2/tests/testnotebookdnd.c
Matthias Clasen e9067ae2db Replace gtk_drop_target_attach/detach
Since drop targets are now just event controller,
gtk_widget_add/remove_controller works just fine
for them.
2020-01-08 18:48:21 -05:00

353 lines
10 KiB
C

/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
/*
* GTK - The GIMP Toolkit
* Copyright (C) 2006 Carlos Garnacho Parro <carlosg@gnome.org>
*
* All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
static gpointer GROUP_A = "GROUP_A";
static gpointer GROUP_B = "GROUP_B";
gchar *tabs1 [] = {
"aaaaaaaaaa",
"bbbbbbbbbb",
"cccccccccc",
"dddddddddd",
NULL
};
gchar *tabs2 [] = {
"1",
"2",
"3",
"4",
"55555",
NULL
};
gchar *tabs3 [] = {
"foo",
"bar",
NULL
};
gchar *tabs4 [] = {
"beer",
"water",
"lemonade",
"coffee",
"tea",
NULL
};
static const char *button_targets[] = {
"GTK_NOTEBOOK_TAB"
};
static GtkNotebook*
window_creation_function (GtkNotebook *source_notebook,
GtkWidget *child,
gint x,
gint y,
gpointer data)
{
GtkWidget *window, *notebook;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
notebook = gtk_notebook_new ();
g_signal_connect (notebook, "create-window",
G_CALLBACK (window_creation_function), NULL);
gtk_notebook_set_group_name (GTK_NOTEBOOK (notebook),
gtk_notebook_get_group_name (source_notebook));
gtk_container_add (GTK_CONTAINER (window), notebook);
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
gtk_widget_show (window);
return GTK_NOTEBOOK (notebook);
}
static void
on_page_reordered (GtkNotebook *notebook, GtkWidget *child, guint page_num, gpointer data)
{
g_print ("page %d reordered\n", page_num);
}
static gboolean
remove_in_idle (gpointer data)
{
GtkWidget *child = data;
GtkWidget *parent = gtk_widget_get_ancestor (child, GTK_TYPE_NOTEBOOK);
GtkWidget *tab_label;
tab_label = gtk_notebook_get_tab_label (GTK_NOTEBOOK (parent), child);
g_print ("Removing tab: %s\n", gtk_label_get_text (GTK_LABEL (tab_label)));
gtk_container_remove (GTK_CONTAINER (parent), child);
return G_SOURCE_REMOVE;
}
static void
got_page (GObject *source,
GAsyncResult *result,
gpointer data)
{
GdkDrop *drop = GDK_DROP (source);
GInputStream *stream;
const char *mime_type;
stream = gdk_drop_read_finish (drop, result, &mime_type, NULL);
if (stream)
{
GBytes *bytes;
GtkWidget **child;
bytes = g_input_stream_read_bytes (stream, sizeof (gpointer), NULL, NULL);
child = (gpointer)g_bytes_get_data (bytes, NULL);
g_idle_add (remove_in_idle, *child);
gdk_drop_finish (drop, GDK_ACTION_MOVE);
g_bytes_unref (bytes);
g_object_unref (stream);
}
else
gdk_drop_finish (drop, 0);
}
static gboolean
on_button_drag_drop (GtkDropTarget *dest,
gpointer user_data)
{
GdkDrop *drop = gtk_drop_target_get_drop (dest);
gdk_drop_read_async (drop, (const char *[]) { "GTK_NOTEBOOK_TAB", NULL }, G_PRIORITY_DEFAULT, NULL, got_page, NULL);
gdk_drop_finish (drop, GDK_ACTION_MOVE);
return TRUE;
}
static void
action_clicked_cb (GtkWidget *button,
GtkWidget *notebook)
{
GtkWidget *page, *title;
page = gtk_entry_new ();
gtk_editable_set_text (GTK_EDITABLE (page), "Addition");
title = gtk_label_new ("Addition");
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page, title);
gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (notebook), page, TRUE);
gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (notebook), page, TRUE);
}
static GtkWidget*
create_notebook (gchar **labels,
const gchar *group,
GtkPositionType pos)
{
GtkWidget *notebook, *title, *page, *action_widget;
notebook = gtk_notebook_new ();
gtk_widget_set_vexpand (notebook, TRUE);
gtk_widget_set_hexpand (notebook, TRUE);
action_widget = gtk_button_new_from_icon_name ("list-add-symbolic");
g_signal_connect (action_widget, "clicked", G_CALLBACK (action_clicked_cb), notebook);
gtk_notebook_set_action_widget (GTK_NOTEBOOK (notebook), action_widget, GTK_PACK_END);
g_signal_connect (notebook, "create-window",
G_CALLBACK (window_creation_function), NULL);
gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), pos);
gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
gtk_notebook_set_group_name (GTK_NOTEBOOK (notebook), group);
while (*labels)
{
page = gtk_entry_new ();
gtk_editable_set_text (GTK_EDITABLE (page), *labels);
title = gtk_label_new (*labels);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page, title);
gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (notebook), page, TRUE);
gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (notebook), page, TRUE);
labels++;
}
g_signal_connect (GTK_NOTEBOOK (notebook), "page-reordered",
G_CALLBACK (on_page_reordered), NULL);
return notebook;
}
static GtkWidget*
create_notebook_non_dragable_content (gchar **labels,
const gchar *group,
GtkPositionType pos)
{
GtkWidget *notebook, *title, *page, *action_widget;
notebook = gtk_notebook_new ();
gtk_widget_set_vexpand (notebook, TRUE);
gtk_widget_set_hexpand (notebook, TRUE);
action_widget = gtk_button_new_from_icon_name ("list-add-symbolic");
g_signal_connect (action_widget, "clicked", G_CALLBACK (action_clicked_cb), notebook);
gtk_notebook_set_action_widget (GTK_NOTEBOOK (notebook), action_widget, GTK_PACK_END);
g_signal_connect (notebook, "create-window",
G_CALLBACK (window_creation_function), NULL);
gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), pos);
gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
gtk_notebook_set_group_name (GTK_NOTEBOOK (notebook), group);
while (*labels)
{
GtkWidget *button;
button = gtk_button_new_with_label ("example content");
/* Use GtkListBox since it bubbles up motion notify event, which can
* experience more issues than GtkBox. */
page = gtk_list_box_new ();
gtk_container_add (GTK_CONTAINER (page), button);
button = gtk_button_new_with_label ("row 2");
gtk_container_add (GTK_CONTAINER (page), button);
button = gtk_button_new_with_label ("third row");
gtk_container_add (GTK_CONTAINER (page), button);
title = gtk_label_new (*labels);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page, title);
gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (notebook), page, TRUE);
gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (notebook), page, TRUE);
labels++;
}
g_signal_connect (GTK_NOTEBOOK (notebook), "page-reordered",
G_CALLBACK (on_page_reordered), NULL);
return notebook;
}
static GtkWidget*
create_notebook_with_notebooks (gchar **labels,
const gchar *group,
GtkPositionType pos)
{
GtkWidget *notebook, *title, *page;
gint count = 0;
notebook = gtk_notebook_new ();
g_signal_connect (notebook, "create-window",
G_CALLBACK (window_creation_function), NULL);
gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), pos);
gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
gtk_notebook_set_group_name (GTK_NOTEBOOK (notebook), group);
while (*labels)
{
page = create_notebook (labels, group, pos);
gtk_notebook_popup_enable (GTK_NOTEBOOK (page));
title = gtk_label_new (*labels);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page, title);
gtk_notebook_set_tab_reorderable (GTK_NOTEBOOK (notebook), page, TRUE);
gtk_notebook_set_tab_detachable (GTK_NOTEBOOK (notebook), page, TRUE);
count++;
labels++;
}
g_signal_connect (GTK_NOTEBOOK (notebook), "page-reordered",
G_CALLBACK (on_page_reordered), NULL);
return notebook;
}
static GtkWidget*
create_trash_button (void)
{
GdkContentFormats *targets;
GtkWidget *button;
GtkDropTarget *dest;
button = gtk_button_new_with_mnemonic ("_Delete");
targets = gdk_content_formats_new (button_targets, G_N_ELEMENTS (button_targets));
dest = gtk_drop_target_new (targets, GDK_ACTION_MOVE);
g_signal_connect (dest, "drag-drop", G_CALLBACK (on_button_drag_drop), NULL);
gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (dest));
gdk_content_formats_unref (targets);
return button;
}
gint
main (gint argc, gchar *argv[])
{
GtkWidget *window, *grid;
gtk_init ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
grid = gtk_grid_new ();
gtk_grid_attach (GTK_GRID (grid),
create_notebook_non_dragable_content (tabs1, GROUP_A, GTK_POS_TOP),
0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
create_notebook (tabs2, GROUP_B, GTK_POS_BOTTOM),
0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
create_notebook (tabs3, GROUP_B, GTK_POS_LEFT),
1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
create_notebook_with_notebooks (tabs4, GROUP_A, GTK_POS_RIGHT),
1, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
create_trash_button (),
1, 2, 1, 1);
gtk_container_add (GTK_CONTAINER (window), grid);
gtk_window_set_default_size (GTK_WINDOW (window), 400, 400);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_widget_show (window);
gtk_main ();
return 0;
}