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PIKApp/app/widgets/pikaoverlaydialog.c

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/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikaoverlaydialog.c
* Copyright (C) 2009-2010 Michael Natterer <mitch@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "libpikabase/pikabase.h"
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pikatoolinfo.h"
#include "pikaoverlaydialog.h"
#include "pika-intl.h"
enum
{
PROP_0,
PROP_TITLE,
PROP_ICON_NAME
};
enum
{
RESPONSE,
DETACH,
CLOSE,
LAST_SIGNAL
};
typedef struct _ResponseData ResponseData;
struct _ResponseData
{
gint response_id;
};
static void pika_overlay_dialog_constructed (GObject *object);
static void pika_overlay_dialog_dispose (GObject *object);
static void pika_overlay_dialog_finalize (GObject *object);
static void pika_overlay_dialog_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_overlay_dialog_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_overlay_dialog_get_preferred_width
(GtkWidget *widget,
gint *minimum_width,
gint *natural_width);
static void pika_overlay_dialog_get_preferred_height
(GtkWidget *widget,
gint *minimum_height,
gint *natural_height);
static void pika_overlay_dialog_get_preferred_width_for_height
(GtkWidget *widget,
gint height,
gint *minimum_width,
gint *natural_width);
static void pika_overlay_dialog_get_preferred_height_for_width
(GtkWidget *widget,
gint width,
gint *minimum_height,
gint *natural_height);
static void pika_overlay_dialog_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void pika_overlay_dialog_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void pika_overlay_dialog_detach (PikaOverlayDialog *dialog);
static void pika_overlay_dialog_real_detach (PikaOverlayDialog *dialog);
static void pika_overlay_dialog_close (PikaOverlayDialog *dialog);
static void pika_overlay_dialog_real_close (PikaOverlayDialog *dialog);
static ResponseData * get_response_data (GtkWidget *widget,
gboolean create);
G_DEFINE_TYPE (PikaOverlayDialog, pika_overlay_dialog,
PIKA_TYPE_OVERLAY_FRAME)
static guint signals[LAST_SIGNAL] = { 0, };
#define parent_class pika_overlay_dialog_parent_class
static void
pika_overlay_dialog_class_init (PikaOverlayDialogClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
object_class->constructed = pika_overlay_dialog_constructed;
object_class->dispose = pika_overlay_dialog_dispose;
object_class->finalize = pika_overlay_dialog_finalize;
object_class->get_property = pika_overlay_dialog_get_property;
object_class->set_property = pika_overlay_dialog_set_property;
widget_class->get_preferred_width = pika_overlay_dialog_get_preferred_width;
widget_class->get_preferred_height = pika_overlay_dialog_get_preferred_height;
widget_class->get_preferred_width_for_height = pika_overlay_dialog_get_preferred_width_for_height;
widget_class->get_preferred_height_for_width = pika_overlay_dialog_get_preferred_height_for_width;
widget_class->size_allocate = pika_overlay_dialog_size_allocate;
container_class->forall = pika_overlay_dialog_forall;
klass->detach = pika_overlay_dialog_real_detach;
klass->close = pika_overlay_dialog_real_close;
g_object_class_install_property (object_class, PROP_TITLE,
g_param_spec_string ("title",
NULL, NULL,
NULL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_class_install_property (object_class, PROP_ICON_NAME,
g_param_spec_string ("icon-name",
NULL, NULL,
NULL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
signals[RESPONSE] =
g_signal_new ("response",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaOverlayDialogClass, response),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_INT);
signals[DETACH] =
g_signal_new ("detach",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (PikaOverlayDialogClass, detach),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
signals[CLOSE] =
g_signal_new ("close",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (PikaOverlayDialogClass, close),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
gtk_binding_entry_add_signal (gtk_binding_set_by_class (klass),
GDK_KEY_Escape, 0, "close", 0);
gtk_widget_class_set_css_name (GTK_WIDGET_CLASS (klass), "PikaOverlayDialog");
}
static void
pika_overlay_dialog_init (PikaOverlayDialog *dialog)
{
dialog->header = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_widget_set_parent (dialog->header, GTK_WIDGET (dialog));
gtk_widget_show (dialog->header);
dialog->action_area = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL);
gtk_button_box_set_layout (GTK_BUTTON_BOX (dialog->action_area),
GTK_BUTTONBOX_END);
gtk_widget_set_parent (dialog->action_area, GTK_WIDGET (dialog));
gtk_widget_show (dialog->action_area);
}
static void
pika_overlay_dialog_constructed (GObject *object)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (object);
GtkWidget *label;
GtkWidget *button;
GtkWidget *image;
G_OBJECT_CLASS (parent_class)->constructed (object);
dialog->icon_image = image = gtk_image_new_from_icon_name (dialog->icon_name,
GTK_ICON_SIZE_MENU);
gtk_box_pack_start (GTK_BOX (dialog->header), image, FALSE, FALSE, 0);
gtk_widget_show (image);
dialog->title_label = label = gtk_label_new (dialog->title);
pika_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
-1);
gtk_box_pack_start (GTK_BOX (dialog->header), label, TRUE, TRUE, 0);
gtk_widget_show (label);
dialog->close_button = button = gtk_button_new ();
gtk_widget_set_can_focus (button, FALSE);
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
gtk_box_pack_end (GTK_BOX (dialog->header), button, FALSE, FALSE, 0);
gtk_widget_show (button);
image = gtk_image_new_from_icon_name (PIKA_ICON_CLOSE, GTK_ICON_SIZE_MENU);
gtk_image_set_pixel_size (GTK_IMAGE (image), 12);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
g_signal_connect_object (button, "clicked",
G_CALLBACK (pika_overlay_dialog_close),
G_OBJECT (dialog),
G_CONNECT_SWAPPED);
dialog->detach_button = button = gtk_button_new ();
gtk_widget_set_can_focus (button, FALSE);
gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
gtk_box_pack_end (GTK_BOX (dialog->header), button, FALSE, FALSE, 0);
gtk_widget_show (button);
pika_help_set_help_data (dialog->detach_button,
_("Detach dialog from canvas"), NULL);
image = gtk_image_new_from_icon_name (PIKA_ICON_DETACH,
GTK_ICON_SIZE_MENU);
gtk_image_set_pixel_size (GTK_IMAGE (image), 12);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
g_signal_connect_object (button, "clicked",
G_CALLBACK (pika_overlay_dialog_detach),
G_OBJECT (dialog),
G_CONNECT_SWAPPED);
}
static void
pika_overlay_dialog_dispose (GObject *object)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (object);
if (dialog->header)
{
gtk_widget_unparent (dialog->header);
dialog->header = NULL;
}
if (dialog->action_area)
{
gtk_widget_unparent (dialog->action_area);
dialog->action_area = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
pika_overlay_dialog_finalize (GObject *object)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (object);
g_clear_pointer (&dialog->title, g_free);
g_clear_pointer (&dialog->icon_name, g_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
pika_overlay_dialog_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (object);
switch (property_id)
{
case PROP_TITLE:
g_free (dialog->title);
dialog->title = g_value_dup_string (value);
if (dialog->title_label)
gtk_label_set_text (GTK_LABEL (dialog->title_label), dialog->title);
break;
case PROP_ICON_NAME:
g_free (dialog->icon_name);
dialog->icon_name = g_value_dup_string (value);
if (dialog->icon_image)
gtk_image_set_from_icon_name (GTK_IMAGE (dialog->icon_image),
dialog->icon_name, GTK_ICON_SIZE_MENU);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_overlay_dialog_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (object);
switch (property_id)
{
case PROP_TITLE:
g_value_set_string (value, dialog->title);
break;
case PROP_ICON_NAME:
g_value_set_string (value, dialog->icon_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_overlay_dialog_get_preferred_width (GtkWidget *widget,
gint *minimum_width,
gint *natural_width)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (widget);
gint header_minimum;
gint header_natural;
gint action_minimum;
gint action_natural;
GTK_WIDGET_CLASS (parent_class)->get_preferred_width (widget,
minimum_width,
natural_width);
gtk_widget_get_preferred_width (dialog->header,
&header_minimum, &header_natural);
gtk_widget_get_preferred_width (dialog->action_area,
&action_minimum, &action_natural);
*minimum_width = MAX (MAX (*minimum_width, action_minimum), header_minimum);
*natural_width = MAX (MAX (*natural_width, action_natural), header_natural);
}
static void
pika_overlay_dialog_get_preferred_height (GtkWidget *widget,
gint *minimum_height,
gint *natural_height)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (widget);
gint header_minimum;
gint header_natural;
gint action_minimum;
gint action_natural;
gint border_width;
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
GTK_WIDGET_CLASS (parent_class)->get_preferred_height (widget,
minimum_height,
natural_height);
gtk_widget_get_preferred_height (dialog->header,
&header_minimum, &header_natural);
gtk_widget_get_preferred_height (dialog->action_area,
&action_minimum, &action_natural);
*minimum_height += header_minimum + action_minimum + 2 * border_width;
*natural_height += header_natural + action_natural + 2 * border_width;
}
static void
pika_overlay_dialog_get_preferred_width_for_height (GtkWidget *widget,
gint height,
gint *minimum_width,
gint *natural_width)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (widget);
gint header_minimum;
gint header_natural;
gint action_minimum;
gint action_natural;
GTK_WIDGET_CLASS (parent_class)->get_preferred_width_for_height (widget,
height,
minimum_width,
natural_width);
gtk_widget_get_preferred_width (dialog->header,
&header_minimum, &header_natural);
gtk_widget_get_preferred_width (dialog->action_area,
&action_minimum, &action_natural);
*minimum_width = MAX (MAX (*minimum_width, action_minimum), header_minimum);
*natural_width = MAX (MAX (*natural_width, action_natural), header_natural);
}
static void
pika_overlay_dialog_get_preferred_height_for_width (GtkWidget *widget,
gint width,
gint *minimum_height,
gint *natural_height)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (widget);
gint header_minimum;
gint header_natural;
gint action_minimum;
gint action_natural;
gint border_width;
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
GTK_WIDGET_CLASS (parent_class)->get_preferred_height_for_width (widget,
width,
minimum_height,
natural_height);
gtk_widget_get_preferred_height_for_width (dialog->header,
width - 2 * border_width,
&header_minimum, &header_natural);
gtk_widget_get_preferred_height_for_width (dialog->action_area,
width - 2 * border_width,
&action_minimum, &action_natural);
*minimum_height += header_minimum + action_minimum + 2 * border_width;
*natural_height += header_natural + action_natural + 2 * border_width;
}
static void
pika_overlay_dialog_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkContainer *container = GTK_CONTAINER (widget);
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (widget);
GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
GtkRequisition header_requisition;
GtkRequisition action_requisition;
GtkAllocation child_allocation = { 0, };
GtkAllocation header_allocation;
GtkAllocation action_allocation;
gint border_width;
gtk_widget_set_allocation (widget, allocation);
border_width = gtk_container_get_border_width (container);
gtk_widget_get_preferred_size (dialog->header, &header_requisition, NULL);
gtk_widget_get_preferred_size (dialog->action_area, &action_requisition, NULL);
if (child && gtk_widget_get_visible (child))
{
child_allocation.x = allocation->x + border_width;
child_allocation.y = (allocation->y + 2 * border_width +
header_requisition.height);
child_allocation.width = MAX (allocation->width - 2 * border_width, 0);
child_allocation.height = MAX (allocation->height -
4 * border_width -
header_requisition.height -
action_requisition.height, 0);
gtk_widget_size_allocate (child, &child_allocation);
}
header_allocation.x = allocation->x + border_width;
header_allocation.y = allocation->y + border_width;
header_allocation.width = MAX (allocation->width - 2 * border_width, 0);
header_allocation.height = header_requisition.height;
gtk_widget_size_allocate (dialog->header, &header_allocation);
action_allocation.x = allocation->x + border_width;
action_allocation.y = (child_allocation.y + child_allocation.height +
border_width);
action_allocation.width = MAX (allocation->width - 2 * border_width, 0);
action_allocation.height = action_requisition.height;
gtk_widget_size_allocate (dialog->action_area, &action_allocation);
}
static void
pika_overlay_dialog_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
GTK_CONTAINER_CLASS (parent_class)->forall (container, include_internals,
callback, callback_data);
if (include_internals)
{
PikaOverlayDialog *dialog = PIKA_OVERLAY_DIALOG (container);
if (dialog->header)
(* callback) (dialog->header, callback_data);
if (dialog->action_area)
(* callback) (dialog->action_area, callback_data);
}
}
static void
pika_overlay_dialog_detach (PikaOverlayDialog *dialog)
{
g_signal_emit (dialog, signals[DETACH], 0);
}
static void
pika_overlay_dialog_real_detach (PikaOverlayDialog *dialog)
{
pika_overlay_dialog_response (dialog, PIKA_RESPONSE_DETACH);
}
static void
pika_overlay_dialog_close (PikaOverlayDialog *dialog)
{
g_signal_emit (dialog, signals[CLOSE], 0);
}
static void
pika_overlay_dialog_real_close (PikaOverlayDialog *dialog)
{
pika_overlay_dialog_response (dialog, GTK_RESPONSE_DELETE_EVENT);
}
GtkWidget *
pika_overlay_dialog_new (PikaToolInfo *tool_info,
const gchar *desc,
...)
{
PikaOverlayDialog *dialog;
const gchar *icon_name;
va_list args;
g_return_val_if_fail (PIKA_IS_TOOL_INFO (tool_info), NULL);
icon_name = pika_viewable_get_icon_name (PIKA_VIEWABLE (tool_info));
dialog = g_object_new (PIKA_TYPE_OVERLAY_DIALOG,
"title", tool_info->label,
"icon-name", icon_name,
NULL);
va_start (args, desc);
pika_overlay_dialog_add_buttons_valist (dialog, args);
va_end (args);
return GTK_WIDGET (dialog);
}
void
pika_overlay_dialog_response (PikaOverlayDialog *dialog,
gint response_id)
{
g_return_if_fail (PIKA_IS_OVERLAY_DIALOG (dialog));
g_signal_emit (dialog, signals[RESPONSE], 0,
response_id);
}
void
pika_overlay_dialog_add_buttons_valist (PikaOverlayDialog *dialog,
va_list args)
{
const gchar *button_text;
gint response_id;
g_return_if_fail (PIKA_IS_OVERLAY_DIALOG (dialog));
while ((button_text = va_arg (args, const gchar *)))
{
response_id = va_arg (args, gint);
pika_overlay_dialog_add_button (dialog, button_text, response_id);
}
}
static void
action_widget_activated (GtkWidget *widget,
PikaOverlayDialog *dialog)
{
ResponseData *ad = get_response_data (widget, FALSE);
pika_overlay_dialog_response (dialog, ad->response_id);
}
GtkWidget *
pika_overlay_dialog_add_button (PikaOverlayDialog *dialog,
const gchar *button_text,
gint response_id)
{
GtkWidget *button;
ResponseData *ad;
guint signal_id;
GClosure *closure;
g_return_val_if_fail (PIKA_IS_OVERLAY_DIALOG (dialog), NULL);
g_return_val_if_fail (button_text != NULL, NULL);
if (response_id == GTK_RESPONSE_CANCEL ||
response_id == GTK_RESPONSE_CLOSE ||
response_id == PIKA_RESPONSE_DETACH)
return NULL;
button = gtk_button_new_with_mnemonic (button_text);
gtk_widget_set_can_default (button, TRUE);
gtk_widget_show (button);
ad = get_response_data (button, TRUE);
ad->response_id = response_id;
signal_id = g_signal_lookup ("clicked", GTK_TYPE_BUTTON);
closure = g_cclosure_new_object (G_CALLBACK (action_widget_activated),
G_OBJECT (dialog));
g_signal_connect_closure_by_id (button, signal_id, 0,
closure, FALSE);
gtk_box_pack_end (GTK_BOX (dialog->action_area), button, FALSE, TRUE, 0);
if (response_id == GTK_RESPONSE_HELP)
gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (dialog->action_area),
button, TRUE);
return button;
}
void
pika_overlay_dialog_set_alternative_button_order (PikaOverlayDialog *overlay,
gint n_ids,
gint *ids)
{
/* TODO */
}
void
pika_overlay_dialog_set_default_response (PikaOverlayDialog *overlay,
gint response_id)
{
/* TODO */
}
void
pika_overlay_dialog_set_response_sensitive (PikaOverlayDialog *overlay,
gint response_id,
gboolean sensitive)
{
GList *children;
GList *list;
g_return_if_fail (PIKA_IS_OVERLAY_DIALOG (overlay));
if (response_id == GTK_RESPONSE_CANCEL ||
response_id == GTK_RESPONSE_CLOSE)
{
gtk_widget_set_sensitive (overlay->close_button, sensitive);
}
if (response_id == PIKA_RESPONSE_DETACH)
{
gtk_widget_set_sensitive (overlay->detach_button, sensitive);
}
children = gtk_container_get_children (GTK_CONTAINER (overlay->action_area));
for (list = children; list; list = g_list_next (list))
{
GtkWidget *child = list->data;
ResponseData *ad = get_response_data (child, FALSE);
if (ad && ad->response_id == response_id)
{
gtk_widget_set_sensitive (child, sensitive);
break;
}
}
g_list_free (children);
}
static void
response_data_free (gpointer data)
{
g_slice_free (ResponseData, data);
}
static ResponseData *
get_response_data (GtkWidget *widget,
gboolean create)
{
ResponseData *ad = g_object_get_data (G_OBJECT (widget),
"pika-overlay-dialog-response-data");
if (! ad && create)
{
ad = g_slice_new (ResponseData);
g_object_set_data_full (G_OBJECT (widget),
"pika-overlay-dialog-response-data",
ad, response_data_free);
}
return ad;
}
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