PIKApp/app/widgets/pikaextensiondetails.c

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2023-09-26 00:35:21 +02:00
/* 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
*
* pikaextensiondetails.c
* Copyright (C) 2018 Jehan <jehan@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 "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pikaextension.h"
#include "core/pikaextensionmanager.h"
#include "pikaextensiondetails.h"
#include "pika-intl.h"
struct _PikaExtensionDetailsPrivate
{
PikaExtension *extension;
gint screenshot_width;
gint screenshot_height;
};
static void pika_extension_details_size_allocate (PikaExtensionDetails *details,
GdkRectangle *allocation,
GtkGrid *data);
G_DEFINE_TYPE_WITH_PRIVATE (PikaExtensionDetails, pika_extension_details,
GTK_TYPE_FRAME)
#define parent_class pika_extension_details_parent_class
static void
pika_extension_details_class_init (PikaExtensionDetailsClass *klass)
{
}
static void
pika_extension_details_init (PikaExtensionDetails *details)
{
gtk_frame_set_label_align (GTK_FRAME (details), 0.5, 1.0);
details->p = pika_extension_details_get_instance_private (details);
}
GtkWidget *
pika_extension_details_new (void)
{
return g_object_new (PIKA_TYPE_EXTENSION_DETAILS, NULL);
}
void
pika_extension_details_set (PikaExtensionDetails *details,
PikaExtension *extension)
{
GtkWidget *grid;
GtkWidget *widget;
GtkTextBuffer *buffer;
g_return_if_fail (PIKA_IS_EXTENSION (extension));
if (details->p->extension)
g_object_unref (details->p->extension);
details->p->extension = g_object_ref (extension);
details->p->screenshot_width = details->p->screenshot_height = 0;
gtk_container_foreach (GTK_CONTAINER (details),
(GtkCallback) gtk_widget_destroy,
NULL);
gtk_frame_set_label (GTK_FRAME (details),
extension ? pika_extension_get_name (extension) : NULL);
grid = gtk_grid_new ();
gtk_grid_set_column_homogeneous (GTK_GRID (grid), FALSE);
gtk_grid_set_row_homogeneous (GTK_GRID (grid), FALSE);
gtk_container_add (GTK_CONTAINER (details), grid);
gtk_widget_show (grid);
if (extension)
{
gchar *desc;
GtkTextIter iter;
/* Screenshots. */
if (gtk_widget_get_realized (GTK_WIDGET (details)))
{
GtkAllocation allocation;
gint baseline = 0;
gtk_widget_get_allocated_size (GTK_WIDGET (details),
&allocation, &baseline);
pika_extension_details_size_allocate (details, &allocation, GTK_GRID (grid));
}
g_signal_connect (details, "size-allocate",
G_CALLBACK (pika_extension_details_size_allocate),
grid);
/* Description. */
desc = pika_extension_get_markup_description (extension);
widget = gtk_text_view_new ();
gtk_widget_set_vexpand (widget, TRUE);
gtk_widget_set_hexpand (widget, TRUE);
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (widget), GTK_WRAP_WORD_CHAR);
gtk_text_view_set_editable (GTK_TEXT_VIEW (widget), FALSE);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (widget), FALSE);
gtk_text_view_set_justification (GTK_TEXT_VIEW (widget), GTK_JUSTIFY_FILL);
gtk_grid_attach (GTK_GRID (grid), widget, 0, 1, 3, 3);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (widget));
gtk_text_buffer_get_start_iter (buffer, &iter);
if (desc)
{
gtk_text_buffer_insert_markup (buffer, &iter, desc, -1);
g_free (desc);
}
gtk_widget_show (widget);
}
}
/* Private functions. */
static void
pika_extension_details_size_allocate (PikaExtensionDetails *details,
GdkRectangle *allocation,
GtkGrid *grid)
{
GtkWidget *widget;
if (allocation->width > 0 && allocation->height > 0 &&
allocation->width * 2 / 3 != details->p->screenshot_width &&
allocation->height * 2 / 3 != details->p->screenshot_height)
{
GdkPixbuf *pixbuf;
details->p->screenshot_width = allocation->width * 2 / 3;
details->p->screenshot_height = allocation->height * 2 / 3;
pixbuf = pika_extension_get_screenshot (details->p->extension,
details->p->screenshot_width, details->p->screenshot_height,
NULL);
if (pixbuf)
{
widget = gtk_image_new_from_pixbuf (pixbuf);
gtk_widget_set_vexpand (widget, FALSE);
gtk_widget_set_hexpand (widget, FALSE);
gtk_grid_attach (grid, widget, 1, 0, 1, 1);
gtk_widget_show (widget);
g_object_unref (pixbuf);
}
}
}