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-rw-r--r--app/widgets/gimpcontainerbox.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/app/widgets/gimpcontainerbox.c b/app/widgets/gimpcontainerbox.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcontainerbox.c
+ * Copyright (C) 2004 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 <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpcontainer.h"
+#include "core/gimpcontext.h"
+
+#include "gimpcontainerbox.h"
+#include "gimpcontainerview.h"
+#include "gimpdnd.h"
+#include "gimpdocked.h"
+#include "gimppropwidgets.h"
+#include "gimpview.h"
+#include "gimpviewrenderer.h"
+
+
+static void gimp_container_box_view_iface_init (GimpContainerViewInterface *iface);
+static void gimp_container_box_docked_iface_init (GimpDockedInterface *iface);
+
+static void gimp_container_box_constructed (GObject *object);
+
+static GtkWidget * gimp_container_box_get_preview (GimpDocked *docked,
+ GimpContext *context,
+ GtkIconSize size);
+static void gimp_container_box_set_context (GimpDocked *docked,
+ GimpContext *context);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpContainerBox, gimp_container_box,
+ GIMP_TYPE_EDITOR,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
+ gimp_container_box_view_iface_init)
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
+ gimp_container_box_docked_iface_init))
+
+#define parent_class gimp_container_box_parent_class
+
+
+static void
+gimp_container_box_class_init (GimpContainerBoxClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_container_box_constructed;
+ object_class->set_property = gimp_container_view_set_property;
+ object_class->get_property = gimp_container_view_get_property;
+
+ gimp_container_view_install_properties (object_class);
+}
+
+static void
+gimp_container_box_init (GimpContainerBox *box)
+{
+ GtkWidget *sb;
+
+ box->scrolled_win = gtk_scrolled_window_new (NULL, NULL);
+ gtk_box_pack_start (GTK_BOX (box), box->scrolled_win, TRUE, TRUE, 0);
+ gtk_widget_show (box->scrolled_win);
+
+ sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (box->scrolled_win));
+
+ gtk_widget_set_can_focus (sb, FALSE);
+}
+
+static void
+gimp_container_box_view_iface_init (GimpContainerViewInterface *iface)
+{
+}
+
+static void
+gimp_container_box_docked_iface_init (GimpDockedInterface *iface)
+{
+ iface->get_preview = gimp_container_box_get_preview;
+ iface->set_context = gimp_container_box_set_context;
+}
+
+static void
+gimp_container_box_constructed (GObject *object)
+{
+ GimpContainerBox *box = GIMP_CONTAINER_BOX (object);
+
+ /* This is evil: the hash table of "insert_data" is created on
+ * demand when GimpContainerView API is used, using a
+ * value_free_func that is set in the interface_init functions of
+ * its implementors. Therefore, no GimpContainerView API must be
+ * called from any init() function, because the interface_init()
+ * function of a subclass that sets the right value_free_func might
+ * not have been called yet, leaving the insert_data hash table
+ * without memory management.
+ *
+ * Call GimpContainerView API from GObject::constructed() instead,
+ * which runs after everything is set up correctly.
+ */
+ gimp_container_view_set_dnd_widget (GIMP_CONTAINER_VIEW (box),
+ box->scrolled_win);
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+}
+
+void
+gimp_container_box_set_size_request (GimpContainerBox *box,
+ gint width,
+ gint height)
+{
+ GimpContainerView *view;
+ GtkScrolledWindowClass *sw_class;
+ GtkStyle *sw_style;
+ GtkWidget *sb;
+ GtkRequisition req;
+ gint view_size;
+ gint scrollbar_width;
+ gint border_x;
+ gint border_y;
+
+ g_return_if_fail (GIMP_IS_CONTAINER_BOX (box));
+
+ view = GIMP_CONTAINER_VIEW (box);
+
+ view_size = gimp_container_view_get_view_size (view, NULL);
+
+ g_return_if_fail (width <= 0 || width >= view_size);
+ g_return_if_fail (height <= 0 || height >= view_size);
+
+ sw_class = GTK_SCROLLED_WINDOW_GET_CLASS (box->scrolled_win);
+
+ if (sw_class->scrollbar_spacing >= 0)
+ scrollbar_width = sw_class->scrollbar_spacing;
+ else
+ gtk_widget_style_get (GTK_WIDGET (box->scrolled_win),
+ "scrollbar-spacing", &scrollbar_width,
+ NULL);
+
+ sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (box->scrolled_win));
+
+ gtk_widget_size_request (sb, &req);
+ scrollbar_width += req.width;
+
+ border_x = border_y = gtk_container_get_border_width (GTK_CONTAINER (box));
+
+ sw_style = gtk_widget_get_style (box->scrolled_win);
+
+ border_x += sw_style->xthickness * 2 + scrollbar_width;
+ border_y += sw_style->ythickness * 2;
+
+ gtk_widget_set_size_request (box->scrolled_win,
+ width > 0 ? width + border_x : -1,
+ height > 0 ? height + border_y : -1);
+}
+
+static void
+gimp_container_box_set_context (GimpDocked *docked,
+ GimpContext *context)
+{
+ gimp_container_view_set_context (GIMP_CONTAINER_VIEW (docked), context);
+}
+
+static GtkWidget *
+gimp_container_box_get_preview (GimpDocked *docked,
+ GimpContext *context,
+ GtkIconSize size)
+{
+ GimpContainerBox *box = GIMP_CONTAINER_BOX (docked);
+ GimpContainerView *view = GIMP_CONTAINER_VIEW (docked);
+ GimpContainer *container;
+ GtkWidget *preview;
+ gint width;
+ gint height;
+ gint border_width = 1;
+ const gchar *prop_name;
+
+ container = gimp_container_view_get_container (view);
+
+ g_return_val_if_fail (container != NULL, NULL);
+
+ gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (GTK_WIDGET (box)),
+ size, &width, &height);
+
+ prop_name = gimp_context_type_to_prop_name (gimp_container_get_children_type (container));
+
+ preview = gimp_prop_view_new (G_OBJECT (context), prop_name,
+ context, height);
+ GIMP_VIEW (preview)->renderer->size = -1;
+
+ gimp_container_view_get_view_size (view, &border_width);
+
+ border_width = MIN (1, border_width);
+
+ gimp_view_renderer_set_size_full (GIMP_VIEW (preview)->renderer,
+ width, height, border_width);
+
+ return preview;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 04:29:39 +0000