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-rw-r--r--app/widgets/gimpviewablebutton.c362
1 files changed, 362 insertions, 0 deletions
diff --git a/app/widgets/gimpviewablebutton.c b/app/widgets/gimpviewablebutton.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpviewablebutton.c
+ * Copyright (C) 2003-2005 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 "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpcontainer.h"
+#include "core/gimpcontext.h"
+#include "core/gimpviewable.h"
+
+#include "gimpcontainerpopup.h"
+#include "gimpdialogfactory.h"
+#include "gimppropwidgets.h"
+#include "gimpviewrenderer.h"
+#include "gimpviewablebutton.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_POPUP_VIEW_TYPE,
+ PROP_POPUP_VIEW_SIZE
+};
+
+
+static void gimp_viewable_button_finalize (GObject *object);
+static void gimp_viewable_button_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_viewable_button_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+static gboolean gimp_viewable_button_scroll_event (GtkWidget *widget,
+ GdkEventScroll *sevent);
+static void gimp_viewable_button_clicked (GtkButton *button);
+
+static void gimp_viewable_button_popup_closed (GimpContainerPopup *popup,
+ GimpViewableButton *button);
+
+
+G_DEFINE_TYPE (GimpViewableButton, gimp_viewable_button, GIMP_TYPE_BUTTON)
+
+#define parent_class gimp_viewable_button_parent_class
+
+
+static void
+gimp_viewable_button_class_init (GimpViewableButtonClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
+
+ object_class->finalize = gimp_viewable_button_finalize;
+ object_class->get_property = gimp_viewable_button_get_property;
+ object_class->set_property = gimp_viewable_button_set_property;
+
+ widget_class->scroll_event = gimp_viewable_button_scroll_event;
+
+ button_class->clicked = gimp_viewable_button_clicked;
+
+ g_object_class_install_property (object_class, PROP_POPUP_VIEW_TYPE,
+ g_param_spec_enum ("popup-view-type",
+ NULL, NULL,
+ GIMP_TYPE_VIEW_TYPE,
+ GIMP_VIEW_TYPE_LIST,
+ GIMP_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class, PROP_POPUP_VIEW_SIZE,
+ g_param_spec_int ("popup-view-size",
+ NULL, NULL,
+ GIMP_VIEW_SIZE_TINY,
+ GIMP_VIEW_SIZE_GIGANTIC,
+ GIMP_VIEW_SIZE_SMALL,
+ GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_viewable_button_init (GimpViewableButton *button)
+{
+ button->popup_view_type = GIMP_VIEW_TYPE_LIST;
+ button->popup_view_size = GIMP_VIEW_SIZE_SMALL;
+
+ button->button_view_size = GIMP_VIEW_SIZE_SMALL;
+ button->view_border_width = 1;
+}
+
+static void
+gimp_viewable_button_finalize (GObject *object)
+{
+ GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (object);
+
+ g_clear_pointer (&button->dialog_identifier, g_free);
+ g_clear_pointer (&button->dialog_icon_name, g_free);
+ g_clear_pointer (&button->dialog_tooltip, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_viewable_button_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (object);
+
+ switch (property_id)
+ {
+ case PROP_POPUP_VIEW_TYPE:
+ gimp_viewable_button_set_view_type (button, g_value_get_enum (value));
+ break;
+ case PROP_POPUP_VIEW_SIZE:
+ gimp_viewable_button_set_view_size (button, g_value_get_int (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_viewable_button_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (object);
+
+ switch (property_id)
+ {
+ case PROP_POPUP_VIEW_TYPE:
+ g_value_set_enum (value, button->popup_view_type);
+ break;
+ case PROP_POPUP_VIEW_SIZE:
+ g_value_set_int (value, button->popup_view_size);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gimp_viewable_button_scroll_event (GtkWidget *widget,
+ GdkEventScroll *sevent)
+{
+ GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (widget);
+ GimpObject *object;
+ gint index;
+
+ object = gimp_context_get_by_type (button->context,
+ gimp_container_get_children_type (button->container));
+
+ index = gimp_container_get_child_index (button->container, object);
+
+ if (index != -1)
+ {
+ gint n_children;
+ gint new_index = index;
+
+ n_children = gimp_container_get_n_children (button->container);
+
+ if (sevent->direction == GDK_SCROLL_UP)
+ {
+ if (index > 0)
+ new_index--;
+ else
+ new_index = n_children - 1;
+ }
+ else if (sevent->direction == GDK_SCROLL_DOWN)
+ {
+ if (index == (n_children - 1))
+ new_index = 0;
+ else
+ new_index++;
+ }
+
+ if (new_index != index)
+ {
+ object = gimp_container_get_child_by_index (button->container,
+ new_index);
+
+ if (object)
+ gimp_context_set_by_type (button->context,
+ gimp_container_get_children_type (button->container),
+ object);
+ }
+ }
+
+ return TRUE;
+}
+
+static void
+gimp_viewable_button_clicked (GtkButton *button)
+{
+ GimpViewableButton *viewable_button = GIMP_VIEWABLE_BUTTON (button);
+ GtkWidget *popup;
+
+ popup = gimp_container_popup_new (viewable_button->container,
+ viewable_button->context,
+ viewable_button->popup_view_type,
+ viewable_button->button_view_size,
+ viewable_button->popup_view_size,
+ viewable_button->view_border_width,
+ viewable_button->dialog_factory,
+ viewable_button->dialog_identifier,
+ viewable_button->dialog_icon_name,
+ viewable_button->dialog_tooltip);
+
+ g_signal_connect (popup, "cancel",
+ G_CALLBACK (gimp_viewable_button_popup_closed),
+ button);
+ g_signal_connect (popup, "confirm",
+ G_CALLBACK (gimp_viewable_button_popup_closed),
+ button);
+
+ gimp_popup_show (GIMP_POPUP (popup), GTK_WIDGET (button));
+}
+
+static void
+gimp_viewable_button_popup_closed (GimpContainerPopup *popup,
+ GimpViewableButton *button)
+{
+ gimp_viewable_button_set_view_type (button,
+ gimp_container_popup_get_view_type (popup));
+ gimp_viewable_button_set_view_size (button,
+ gimp_container_popup_get_view_size (popup));
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_viewable_button_new (GimpContainer *container,
+ GimpContext *context,
+ GimpViewType view_type,
+ gint button_view_size,
+ gint view_size,
+ gint view_border_width,
+ GimpDialogFactory *dialog_factory,
+ const gchar *dialog_identifier,
+ const gchar *dialog_icon_name,
+ const gchar *dialog_tooltip)
+{
+ GimpViewableButton *button;
+ const gchar *prop_name;
+
+ g_return_val_if_fail (GIMP_IS_CONTAINER (container), NULL);
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (view_size > 0 &&
+ view_size <= GIMP_VIEWABLE_MAX_BUTTON_SIZE, NULL);
+ g_return_val_if_fail (view_border_width >= 0 &&
+ view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
+ NULL);
+ g_return_val_if_fail (dialog_factory == NULL ||
+ GIMP_IS_DIALOG_FACTORY (dialog_factory), NULL);
+ if (dialog_factory)
+ {
+ g_return_val_if_fail (dialog_identifier != NULL, NULL);
+ g_return_val_if_fail (dialog_icon_name != NULL, NULL);
+ g_return_val_if_fail (dialog_tooltip != NULL, NULL);
+ }
+
+ button = g_object_new (GIMP_TYPE_VIEWABLE_BUTTON,
+ "popup-view-type", view_type,
+ "popup-view-size", view_size,
+ NULL);
+
+ button->container = container;
+ button->context = context;
+
+ button->button_view_size = button_view_size;
+ button->view_border_width = view_border_width;
+
+ if (dialog_factory)
+ {
+ button->dialog_factory = dialog_factory;
+ button->dialog_identifier = g_strdup (dialog_identifier);
+ button->dialog_icon_name = g_strdup (dialog_icon_name);
+ button->dialog_tooltip = g_strdup (dialog_tooltip);
+ }
+
+ prop_name = gimp_context_type_to_prop_name (gimp_container_get_children_type (container));
+
+ button->view = gimp_prop_view_new (G_OBJECT (context), prop_name,
+ context, button->button_view_size);
+ gtk_container_add (GTK_CONTAINER (button), button->view);
+ gtk_widget_show (button->view);
+
+ return GTK_WIDGET (button);
+}
+
+GimpViewType
+gimp_viewable_button_get_view_type (GimpViewableButton *button)
+{
+ g_return_val_if_fail (GIMP_IS_VIEWABLE_BUTTON (button), GIMP_VIEW_TYPE_LIST);
+
+ return button->popup_view_type;
+}
+
+void
+gimp_viewable_button_set_view_type (GimpViewableButton *button,
+ GimpViewType view_type)
+{
+ g_return_if_fail (GIMP_IS_VIEWABLE_BUTTON (button));
+
+ if (view_type != button->popup_view_type)
+ {
+ button->popup_view_type = view_type;
+
+ g_object_notify (G_OBJECT (button), "popup-view-type");
+ }
+}
+
+gint
+gimp_viewable_button_get_view_size (GimpViewableButton *button)
+{
+ g_return_val_if_fail (GIMP_IS_VIEWABLE_BUTTON (button), GIMP_VIEW_SIZE_SMALL);
+
+ return button->popup_view_size;
+}
+
+void
+gimp_viewable_button_set_view_size (GimpViewableButton *button,
+ gint view_size)
+{
+ g_return_if_fail (GIMP_IS_VIEWABLE_BUTTON (button));
+
+ if (view_size != button->popup_view_size)
+ {
+ button->popup_view_size = view_size;
+
+ g_object_notify (G_OBJECT (button), "popup-view-size");
+ }
+}