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Diffstat (limited to '')
| -rw-r--r-- | app/widgets/gimpcontainercombobox.c | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/app/widgets/gimpcontainercombobox.c b/app/widgets/gimpcontainercombobox.c new file mode 100644 index 0000000..87e2af8 --- /dev/null +++ b/app/widgets/gimpcontainercombobox.c @@ -0,0 +1,420 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpcontainercombobox.c + * Copyright (C) 2003 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 "widgets-types.h" + +#include "core/gimpcontainer.h" +#include "core/gimpcontext.h" +#include "core/gimpviewable.h" + +#include "gimpcellrendererviewable.h" +#include "gimpcontainercombobox.h" +#include "gimpcontainertreestore.h" +#include "gimpcontainerview.h" +#include "gimpviewrenderer.h" + + +enum +{ + PROP_0, + PROP_ELLIPSIZE = GIMP_CONTAINER_VIEW_PROP_LAST + 1 +}; + + +static void gimp_container_combo_box_view_iface_init (GimpContainerViewInterface *iface); + +static void gimp_container_combo_box_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_container_combo_box_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static void gimp_container_combo_box_set_context (GimpContainerView *view, + GimpContext *context); +static gpointer gimp_container_combo_box_insert_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer parent_insert_data, + gint index); +static void gimp_container_combo_box_remove_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data); +static void gimp_container_combo_box_reorder_item (GimpContainerView *view, + GimpViewable *viewable, + gint new_index, + gpointer insert_data); +static void gimp_container_combo_box_rename_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data); +static gboolean gimp_container_combo_box_select_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data); +static void gimp_container_combo_box_clear_items (GimpContainerView *view); +static void gimp_container_combo_box_set_view_size (GimpContainerView *view); + +static void gimp_container_combo_box_changed (GtkComboBox *combo_box, + GimpContainerView *view); + + +G_DEFINE_TYPE_WITH_CODE (GimpContainerComboBox, gimp_container_combo_box, + GTK_TYPE_COMBO_BOX, + G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW, + gimp_container_combo_box_view_iface_init)) + +#define parent_class gimp_container_combo_box_parent_class + +static GimpContainerViewInterface *parent_view_iface = NULL; + + +static void +gimp_container_combo_box_class_init (GimpContainerComboBoxClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->set_property = gimp_container_combo_box_set_property; + object_class->get_property = gimp_container_combo_box_get_property; + + gimp_container_view_install_properties (object_class); + + g_object_class_install_property (object_class, + PROP_ELLIPSIZE, + g_param_spec_enum ("ellipsize", NULL, NULL, + PANGO_TYPE_ELLIPSIZE_MODE, + PANGO_ELLIPSIZE_MIDDLE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); +} + +static void +gimp_container_combo_box_view_iface_init (GimpContainerViewInterface *iface) +{ + parent_view_iface = g_type_interface_peek_parent (iface); + + if (! parent_view_iface) + parent_view_iface = g_type_default_interface_peek (GIMP_TYPE_CONTAINER_VIEW); + + iface->set_context = gimp_container_combo_box_set_context; + iface->insert_item = gimp_container_combo_box_insert_item; + iface->remove_item = gimp_container_combo_box_remove_item; + iface->reorder_item = gimp_container_combo_box_reorder_item; + iface->rename_item = gimp_container_combo_box_rename_item; + iface->select_item = gimp_container_combo_box_select_item; + iface->clear_items = gimp_container_combo_box_clear_items; + iface->set_view_size = gimp_container_combo_box_set_view_size; + + iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free; +} + +static void +gimp_container_combo_box_init (GimpContainerComboBox *combo) +{ + GtkTreeModel *model; + GtkCellLayout *layout; + GtkCellRenderer *cell; + GType types[GIMP_CONTAINER_TREE_STORE_N_COLUMNS]; + gint n_types = 0; + + gimp_container_tree_store_columns_init (types, &n_types); + + model = gimp_container_tree_store_new (GIMP_CONTAINER_VIEW (combo), + n_types, types); + + gtk_combo_box_set_model (GTK_COMBO_BOX (combo), model); + + g_object_unref (model); + + layout = GTK_CELL_LAYOUT (combo); + + cell = gimp_cell_renderer_viewable_new (); + gtk_cell_layout_pack_start (layout, cell, FALSE); + gtk_cell_layout_set_attributes (layout, cell, + "renderer", + GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, + NULL); + + gimp_container_tree_store_add_renderer_cell (GIMP_CONTAINER_TREE_STORE (model), + cell); + + combo->viewable_renderer = cell; + + cell = gtk_cell_renderer_text_new (); + gtk_cell_layout_pack_start (layout, cell, TRUE); + gtk_cell_layout_set_attributes (layout, cell, + "text", + GIMP_CONTAINER_TREE_STORE_COLUMN_NAME, + NULL); + + combo->text_renderer = cell; + + g_signal_connect (combo, "changed", + G_CALLBACK (gimp_container_combo_box_changed), + combo); + + gtk_widget_set_sensitive (GTK_WIDGET (combo), FALSE); +} + +static void +gimp_container_combo_box_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpContainerComboBox *combo = GIMP_CONTAINER_COMBO_BOX (object); + + switch (property_id) + { + case PROP_ELLIPSIZE: + g_object_set_property (G_OBJECT (combo->text_renderer), + pspec->name, value); + break; + + default: + gimp_container_view_set_property (object, property_id, value, pspec); + break; + } +} + +static void +gimp_container_combo_box_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpContainerComboBox *combo = GIMP_CONTAINER_COMBO_BOX (object); + + switch (property_id) + { + case PROP_ELLIPSIZE: + g_object_get_property (G_OBJECT (combo->text_renderer), + pspec->name, value); + break; + + default: + gimp_container_view_get_property (object, property_id, value, pspec); + break; + } +} + +GtkWidget * +gimp_container_combo_box_new (GimpContainer *container, + GimpContext *context, + gint view_size, + gint view_border_width) +{ + GtkWidget *combo_box; + GimpContainerView *view; + + g_return_val_if_fail (container == NULL || GIMP_IS_CONTAINER (container), + NULL); + g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL); + + combo_box = g_object_new (GIMP_TYPE_CONTAINER_COMBO_BOX, NULL); + + view = GIMP_CONTAINER_VIEW (combo_box); + + gimp_container_view_set_view_size (view, view_size, view_border_width); + + if (container) + gimp_container_view_set_container (view, container); + + if (context) + gimp_container_view_set_context (view, context); + + return combo_box; +} + + +/* GimpContainerView methods */ + +static void +gimp_container_combo_box_set_context (GimpContainerView *view, + GimpContext *context) +{ + GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view)); + + parent_view_iface->set_context (view, context); + + if (model) + gimp_container_tree_store_set_context (GIMP_CONTAINER_TREE_STORE (model), + context); +} + +static gpointer +gimp_container_combo_box_insert_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer parent_insert_data, + gint index) +{ + GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view)); + + if (model) + { + GtkTreeIter *iter; + + iter = gimp_container_tree_store_insert_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + parent_insert_data, + index); + + if (gtk_tree_model_iter_n_children (model, NULL) == 1) + { + /* GimpContainerViews don't select items by default */ + gtk_combo_box_set_active (GTK_COMBO_BOX (view), -1); + + gtk_widget_set_sensitive (GTK_WIDGET (view), TRUE); + } + + return iter; + } + + return NULL; +} + +static void +gimp_container_combo_box_remove_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data) +{ + GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view)); + + if (model) + { + GtkTreeIter *iter = insert_data; + + gimp_container_tree_store_remove_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + iter); + + if (iter && gtk_tree_model_iter_n_children (model, NULL) == 0) + { + gtk_widget_set_sensitive (GTK_WIDGET (view), FALSE); + } + } +} + +static void +gimp_container_combo_box_reorder_item (GimpContainerView *view, + GimpViewable *viewable, + gint new_index, + gpointer insert_data) +{ + GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view)); + + if (model) + gimp_container_tree_store_reorder_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + new_index, + insert_data); +} + +static void +gimp_container_combo_box_rename_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data) +{ + GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view)); + + if (model) + gimp_container_tree_store_rename_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + insert_data); +} + +static gboolean +gimp_container_combo_box_select_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data) +{ + GtkComboBox *combo_box = GTK_COMBO_BOX (view); + + if (gtk_combo_box_get_model (GTK_COMBO_BOX (view))) + { + GtkTreeIter *iter = insert_data; + + g_signal_handlers_block_by_func (combo_box, + gimp_container_combo_box_changed, + view); + + if (iter) + { + gtk_combo_box_set_active_iter (combo_box, iter); + } + else + { + gtk_combo_box_set_active (combo_box, -1); + } + + g_signal_handlers_unblock_by_func (combo_box, + gimp_container_combo_box_changed, + view); + } + + return TRUE; +} + +static void +gimp_container_combo_box_clear_items (GimpContainerView *view) +{ + GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view)); + + if (model) + gimp_container_tree_store_clear_items (GIMP_CONTAINER_TREE_STORE (model)); + + gtk_widget_set_sensitive (GTK_WIDGET (view), FALSE); + + parent_view_iface->clear_items (view); +} + +static void +gimp_container_combo_box_set_view_size (GimpContainerView *view) +{ + GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (view)); + + if (model) + gimp_container_tree_store_set_view_size (GIMP_CONTAINER_TREE_STORE (model)); +} + +static void +gimp_container_combo_box_changed (GtkComboBox *combo, + GimpContainerView *view) +{ + GtkTreeIter iter; + + if (gtk_combo_box_get_active_iter (combo, &iter)) + { + GimpViewRenderer *renderer; + + gtk_tree_model_get (gtk_combo_box_get_model (combo), &iter, + GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer, + -1); + + gimp_container_view_item_selected (view, renderer->viewable); + g_object_unref (renderer); + } +} |