gtk2/gtk/inspector/strv-editor.c

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/*
* Copyright (c) 2015 Red Hat, Inc.
*
* 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 "config.h"
#include <glib/gi18n-lib.h>
#include "strv-editor.h"
#include "gtkbutton.h"
#include "gtkentry.h"
#include "gtkbox.h"
#include "gtkstylecontext.h"
#include "gtkorientable.h"
#include "gtkmarshalers.h"
enum
{
CHANGED,
N_SIGNALS
};
static guint signals[N_SIGNALS] = { 0 };
G_DEFINE_TYPE (GtkInspectorStrvEditor, gtk_inspector_strv_editor, GTK_TYPE_BOX);
static void
emit_changed (GtkInspectorStrvEditor *editor)
{
if (editor->blocked)
return;
g_signal_emit (editor, signals[CHANGED], 0);
}
static void
remove_string (GtkButton *button,
GtkInspectorStrvEditor *editor)
{
gtk_widget_destroy (gtk_widget_get_parent (GTK_WIDGET (button)));
emit_changed (editor);
}
static void
add_string (GtkInspectorStrvEditor *editor,
const gchar *str)
{
GtkWidget *box;
GtkWidget *entry;
GtkWidget *button;
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_style_context_add_class (gtk_widget_get_style_context (box), "linked");
gtk_widget_show (box);
entry = gtk_entry_new ();
gtk_entry_set_text (GTK_ENTRY (entry), str);
gtk_widget_show (entry);
gtk_box_pack_start (GTK_BOX (box), entry);
g_object_set_data (G_OBJECT (box), "entry", entry);
g_signal_connect_swapped (entry, "notify::text", G_CALLBACK (emit_changed), editor);
button = gtk_button_new_from_icon_name ("user-trash-symbolic", GTK_ICON_SIZE_MENU);
gtk_style_context_add_class (gtk_widget_get_style_context (button), "image-button");
gtk_widget_show (button);
gtk_box_pack_start (GTK_BOX (box), button);
g_signal_connect (button, "clicked", G_CALLBACK (remove_string), editor);
gtk_box_pack_start (GTK_BOX (editor->box), box);
gtk_widget_grab_focus (entry);
emit_changed (editor);
}
static void
add_cb (GtkButton *button,
GtkInspectorStrvEditor *editor)
{
add_string (editor, "");
}
static void
gtk_inspector_strv_editor_init (GtkInspectorStrvEditor *editor)
{
gtk_box_set_spacing (GTK_BOX (editor), 6);
gtk_orientable_set_orientation (GTK_ORIENTABLE (editor), GTK_ORIENTATION_VERTICAL);
editor->box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_widget_show (editor->box);
editor->button = gtk_button_new_from_icon_name ("list-add-symbolic", GTK_ICON_SIZE_MENU);
gtk_style_context_add_class (gtk_widget_get_style_context (editor->button), "image-button");
gtk_widget_set_focus_on_click (editor->button, FALSE);
gtk_widget_set_halign (editor->button, GTK_ALIGN_END);
gtk_widget_show (editor->button);
g_signal_connect (editor->button, "clicked", G_CALLBACK (add_cb), editor);
gtk_box_pack_start (GTK_BOX (editor), editor->box);
gtk_box_pack_start (GTK_BOX (editor), editor->button);
}
static void
gtk_inspector_strv_editor_class_init (GtkInspectorStrvEditorClass *class)
{
signals[CHANGED] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkInspectorStrvEditorClass, changed),
NULL, NULL,
NULL,
G_TYPE_NONE, 0);
}
void
gtk_inspector_strv_editor_set_strv (GtkInspectorStrvEditor *editor,
gchar **strv)
{
GList *children, *l;
gint i;
editor->blocked = TRUE;
children = gtk_container_get_children (GTK_CONTAINER (editor->box));
for (l = children; l; l = l->next)
gtk_widget_destroy (GTK_WIDGET (l->data));
g_list_free (children);
if (strv)
{
for (i = 0; strv[i]; i++)
add_string (editor, strv[i]);
}
editor->blocked = FALSE;
emit_changed (editor);
}
gchar **
gtk_inspector_strv_editor_get_strv (GtkInspectorStrvEditor *editor)
{
GList *children, *l;
GPtrArray *p;
p = g_ptr_array_new ();
children = gtk_container_get_children (GTK_CONTAINER (editor->box));
for (l = children; l; l = l->next)
{
GtkEntry *entry;
entry = GTK_ENTRY (g_object_get_data (G_OBJECT (l->data), "entry"));
g_ptr_array_add (p, g_strdup (gtk_entry_get_text (entry)));
}
g_list_free (children);
g_ptr_array_add (p, NULL);
return (gchar **)g_ptr_array_free (p, FALSE);
}