#include <config.h>
#include "xapp-icon-chooser-button.h"
#include <glib/gi18n-lib.h>
#define XAPP_BUTTON_ICON_SIZE_DEFAULT GTK_ICON_SIZE_DIALOG
/**
* SECTION:xapp-icon-chooser-button
* @Short_description: A button for selecting an icon
* @Title: XAppIconChooserButton
*
* The XAppIconChooserButton creates a button so that
* the user can select an icon. When the button is clicked
* it will open an XAppIconChooserDialog. The currently
* selected icon will be displayed as the button image.
*/
typedef struct
{
GtkWidget *image;
XAppIconChooserDialog *dialog;
GtkIconSize icon_size;
gchar *icon_string;
} XAppIconChooserButtonPrivate;
struct _XAppIconChooserButton
{
GtkButton parent_instance;
};
enum
{
PROP_0,
PROP_ICON_SIZE,
PROP_ICON,
N_PROPERTIES
};
static GParamSpec *obj_properties[N_PROPERTIES] = { NULL, };
G_DEFINE_TYPE_WITH_PRIVATE (XAppIconChooserButton, xapp_icon_chooser_button, GTK_TYPE_BUTTON)
static void
ensure_dialog (XAppIconChooserButton *button)
{
XAppIconChooserButtonPrivate *priv;
priv = xapp_icon_chooser_button_get_instance_private (button);
if (priv->dialog != NULL)
{
return;
}
priv->dialog = xapp_icon_chooser_dialog_new ();
}
static void
on_clicked (GtkButton *button)
{
XAppIconChooserButtonPrivate *priv;
GtkResponseType response;
GtkWidget *toplevel;
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (button));
priv = xapp_icon_chooser_button_get_instance_private (XAPP_ICON_CHOOSER_BUTTON (button));
ensure_dialog (XAPP_ICON_CHOOSER_BUTTON (button));
gtk_window_set_transient_for (GTK_WINDOW (priv->dialog), GTK_WINDOW (toplevel));
gtk_window_set_modal (GTK_WINDOW (priv->dialog), gtk_window_get_modal (GTK_WINDOW (toplevel)));
if (priv->icon_string == NULL)
{
response = xapp_icon_chooser_dialog_run (priv->dialog);
}
else
{
response = xapp_icon_chooser_dialog_run_with_icon (priv->dialog, priv->icon_string);
}
if (response == GTK_RESPONSE_OK)
{
gchar *icon;
icon = xapp_icon_chooser_dialog_get_icon_string (priv->dialog);
xapp_icon_chooser_button_set_icon (XAPP_ICON_CHOOSER_BUTTON (button), icon);
}
}
void
xapp_icon_chooser_button_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
XAppIconChooserButton *button;
XAppIconChooserButtonPrivate *priv;
button = XAPP_ICON_CHOOSER_BUTTON (object);
priv = xapp_icon_chooser_button_get_instance_private (button);
switch (prop_id)
{
case PROP_ICON_SIZE:
g_value_set_enum (value, priv->icon_size);
break;
case PROP_ICON:
g_value_set_string (value, priv->icon_string);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
void
xapp_icon_chooser_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
XAppIconChooserButton *button;
XAppIconChooserButtonPrivate *priv;
button = XAPP_ICON_CHOOSER_BUTTON (object);
priv = xapp_icon_chooser_button_get_instance_private (button);
switch (prop_id)
{
case PROP_ICON_SIZE:
xapp_icon_chooser_button_set_icon_size (button, g_value_get_enum (value));
break;
case PROP_ICON:
xapp_icon_chooser_button_set_icon (button, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
xapp_icon_chooser_button_init (XAppIconChooserButton *button)
{
XAppIconChooserButtonPrivate *priv;
priv = xapp_icon_chooser_button_get_instance_private (button);
priv->image = gtk_image_new_from_icon_name ("unkown", XAPP_BUTTON_ICON_SIZE_DEFAULT);
gtk_button_set_image (GTK_BUTTON (button), priv->image);
gtk_widget_set_hexpand (GTK_WIDGET (button), FALSE);
gtk_widget_set_vexpand (GTK_WIDGET (button), FALSE);
gtk_widget_set_halign (GTK_WIDGET (button), GTK_ALIGN_CENTER);
gtk_widget_set_valign (GTK_WIDGET (button), GTK_ALIGN_CENTER);
xapp_icon_chooser_button_set_icon_size (button, -1);
priv->dialog = NULL;
}
static void
xapp_icon_chooser_button_class_init (XAppIconChooserButtonClass *klass)
{
GtkBindingSet *binding_set;
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
object_class->get_property = xapp_icon_chooser_button_get_property;
object_class->set_property = xapp_icon_chooser_button_set_property;
button_class->clicked = on_clicked;
/**
* XAppIconChooserButton:icon-size:
*
* The size to use when displaying the icon.
*/
obj_properties[PROP_ICON_SIZE] =
g_param_spec_enum ("icon-size",
_("Icon size"),
_("The preferred icon size."),
GTK_TYPE_ICON_SIZE,
GTK_ICON_SIZE_DND,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
/**
* XAppIconChooserButton:icon:
*
* The preferred size to use when looking up icons. This only works with icon names.
* Additionally, there is no guarantee that a selected icon name will exist in a
* particular size.
*/
obj_properties[PROP_ICON] =
g_param_spec_string ("icon",
_("Icon"),
_("The string representing the icon."),
"",
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
g_object_class_install_properties (object_class, N_PROPERTIES, obj_properties);
}
/**
* xapp_icon_chooser_button_new:
*
* Creates a new #XAppIconChooserButton and sets its icon to @icon.
*
* Returns: a newly created #XAppIconChooserButton
*/
XAppIconChooserButton *
xapp_icon_chooser_button_new (void)
{
return g_object_new (XAPP_TYPE_ICON_CHOOSER_BUTTON, NULL);
}
/**
* xapp_icon_chooser_button_new_with_size:
* @icon_size: the size of icon to use in the button, or NULL to use the default value.
*
* Creates a new #XAppIconChooserButton, and sets the sizes of the button image and the icons in
* the dialog. Note that xapp_icon_chooser_button_new_with_size (NULL, NULL) is the same as calling
* xapp_icon_chooser_button_new ().
*
* Returns: a newly created #XAppIconChooserButton
*/
XAppIconChooserButton *
xapp_icon_chooser_button_new_with_size (GtkIconSize icon_size)
{
XAppIconChooserButton *button;
button = g_object_new (XAPP_TYPE_ICON_CHOOSER_BUTTON, NULL);
xapp_icon_chooser_button_set_icon_size (button, icon_size);
return button;
}
/**
* xapp_icon_chooser_button_set_icon_size:
* @button: a #XAppIconChooserButton
* @icon_size: the size of icon to use in the button, or -1 to use the default value.
*
* Sets the icon size used in the button.
*/
void
xapp_icon_chooser_button_set_icon_size (XAppIconChooserButton *button,
GtkIconSize icon_size)
{
XAppIconChooserButtonPrivate *priv;
gint width, height;
gchar *icon;
priv = xapp_icon_chooser_button_get_instance_private (button);
if (icon_size == -1)
{
priv->icon_size = XAPP_BUTTON_ICON_SIZE_DEFAULT;
}
else
{
priv->icon_size = icon_size;
}
gtk_icon_size_lookup (priv->icon_size, &width, &height);
gtk_image_set_pixel_size (GTK_IMAGE (priv->image), width);
// We need to make sure the icon gets resized if it's a file path. Since
// this means regenerating the pixbuf anyway, it's easier to just call
// xapp_icon_chooser_button_set_icon, but we need to dup the string so
// it doens't get freed before it gets used.
icon = g_strdup(priv->icon_string);
xapp_icon_chooser_button_set_icon (button, icon);
g_free (icon);
g_object_notify (G_OBJECT (button), "icon-size");
}
/**
* xapp_icon_chooser_button_get_icon:
* @button: a #XAppIconChooserButton
*
* Gets the icon from the #XAppIconChooserButton.
*
* returns: a string representing the icon. This may be an icon name or a file path.
*/
const gchar*
xapp_icon_chooser_button_get_icon (XAppIconChooserButton *button)
{
XAppIconChooserButtonPrivate *priv;
priv = xapp_icon_chooser_button_get_instance_private (button);
return priv->icon_string;
}
/**
* xapp_icon_chooser_button_set_icon:
* @button: a #XAppIconChooserButton
* @icon: (nullable): a string representing the icon to be set. This may be an icon name or a file path.
*
* Sets the icon on the #XAppIconChooserButton.
*/
void
xapp_icon_chooser_button_set_icon (XAppIconChooserButton *button,
const gchar *icon)
{
XAppIconChooserButtonPrivate *priv;
const gchar *icon_string;
priv = xapp_icon_chooser_button_get_instance_private (button);
if (priv->icon_string != NULL)
{
g_free (priv->icon_string);
}
if (icon == NULL)
{
priv->icon_string = NULL;
icon_string = "unkown";
}
else
{
priv->icon_string = g_strdup (icon);
icon_string = icon;
}
if (g_strrstr (icon_string, "/"))
{
GdkPixbuf *pixbuf;
gint width, height;
gtk_icon_size_lookup (priv->icon_size, &width, &height);
pixbuf = gdk_pixbuf_new_from_file_at_size (icon_string, width, height, NULL);
gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), pixbuf);
}
else
{
gtk_image_set_from_icon_name (GTK_IMAGE (priv->image), icon_string, priv->icon_size);
}
g_object_notify (G_OBJECT (button), "icon");
}
/**
* xapp_icon_chooser_button_get_dialog:
* @button: a #XAppIconChooserButton
*
* Gets a reference to the icon chooser dialog for the #XAppIconChooserButton.
* This is useful for setting properties on the dialog.
*
* Returns: (transfer none): the #XAppIconChooserDialog
*/
XAppIconChooserDialog *
xapp_icon_chooser_button_get_dialog (XAppIconChooserButton *button)
{
XAppIconChooserButtonPrivate *priv;
ensure_dialog (button);
priv = xapp_icon_chooser_button_get_instance_private (button);
return priv->dialog;
}