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Diffstat (limited to 'app/widgets/gimpcontainerentry.c')
| -rw-r--r-- | app/widgets/gimpcontainerentry.c | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/app/widgets/gimpcontainerentry.c b/app/widgets/gimpcontainerentry.c new file mode 100644 index 0000000..7c9bb33 --- /dev/null +++ b/app/widgets/gimpcontainerentry.c @@ -0,0 +1,438 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpcontainerentry.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 "gimpcontainerentry.h" +#include "gimpcontainertreestore.h" +#include "gimpcontainerview.h" +#include "gimpviewrenderer.h" + + +static void gimp_container_entry_view_iface_init (GimpContainerViewInterface *iface); + +static void gimp_container_entry_finalize (GObject *object); + +static void gimp_container_entry_set_context (GimpContainerView *view, + GimpContext *context); +static gpointer gimp_container_entry_insert_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer parent_insert_data, + gint index); +static void gimp_container_entry_remove_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data); +static void gimp_container_entry_reorder_item (GimpContainerView *view, + GimpViewable *viewable, + gint new_index, + gpointer insert_data); +static void gimp_container_entry_rename_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data); +static gboolean gimp_container_entry_select_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data); +static void gimp_container_entry_clear_items (GimpContainerView *view); +static void gimp_container_entry_set_view_size (GimpContainerView *view); + +static void gimp_container_entry_changed (GtkEntry *entry, + GimpContainerView *view); +static void gimp_container_entry_match_selected (GtkEntryCompletion *widget, + GtkTreeModel *model, + GtkTreeIter *iter, + GimpContainerView *view); + + +G_DEFINE_TYPE_WITH_CODE (GimpContainerEntry, gimp_container_entry, + GTK_TYPE_ENTRY, + G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW, + gimp_container_entry_view_iface_init)) + +#define parent_class gimp_container_entry_parent_class + +static GimpContainerViewInterface *parent_view_iface = NULL; + + +static void +gimp_container_entry_class_init (GimpContainerEntryClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->set_property = gimp_container_view_set_property; + object_class->get_property = gimp_container_view_get_property; + object_class->finalize = gimp_container_entry_finalize; + + gimp_container_view_install_properties (object_class); +} + +static void +gimp_container_entry_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_entry_set_context; + iface->insert_item = gimp_container_entry_insert_item; + iface->remove_item = gimp_container_entry_remove_item; + iface->reorder_item = gimp_container_entry_reorder_item; + iface->rename_item = gimp_container_entry_rename_item; + iface->select_item = gimp_container_entry_select_item; + iface->clear_items = gimp_container_entry_clear_items; + iface->set_view_size = gimp_container_entry_set_view_size; + + iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free; +} + +static void +gimp_container_entry_init (GimpContainerEntry *entry) +{ + GtkEntryCompletion *completion; + GtkTreeModel *model; + GtkCellRenderer *cell; + GType types[GIMP_CONTAINER_TREE_STORE_N_COLUMNS]; + gint n_types = 0; + + entry->viewable = NULL; + + completion = g_object_new (GTK_TYPE_ENTRY_COMPLETION, + "inline-completion", TRUE, + "popup-single-match", FALSE, + "popup-set-width", FALSE, + NULL); + + gimp_container_tree_store_columns_init (types, &n_types); + + model = gimp_container_tree_store_new (GIMP_CONTAINER_VIEW (entry), + n_types, types); + gimp_container_tree_store_set_use_name (GIMP_CONTAINER_TREE_STORE (model), + TRUE); + + gtk_entry_completion_set_model (completion, model); + g_object_unref (model); + + gtk_entry_set_completion (GTK_ENTRY (entry), completion); + + g_signal_connect (completion, "match-selected", + G_CALLBACK (gimp_container_entry_match_selected), + entry); + + g_object_unref (completion); + + /* FIXME: This can be done better with GTK+ 2.6. */ + + cell = gimp_cell_renderer_viewable_new (); + gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion), cell, FALSE); + gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (completion), cell, + "renderer", + GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, + NULL); + + gimp_container_tree_store_add_renderer_cell (GIMP_CONTAINER_TREE_STORE (model), + cell); + + gtk_entry_completion_set_text_column (completion, + GIMP_CONTAINER_TREE_STORE_COLUMN_NAME); + + g_signal_connect (entry, "changed", + G_CALLBACK (gimp_container_entry_changed), + entry); +} + +GtkWidget * +gimp_container_entry_new (GimpContainer *container, + GimpContext *context, + gint view_size, + gint view_border_width) +{ + GtkWidget *entry; + 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); + + entry = g_object_new (GIMP_TYPE_CONTAINER_ENTRY, NULL); + + view = GIMP_CONTAINER_VIEW (entry); + + 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 entry; +} + + +/* GimpContainerView methods */ + +static GtkTreeModel * +gimp_container_entry_get_model (GimpContainerView *view) +{ + GtkEntryCompletion *completion; + + completion = gtk_entry_get_completion (GTK_ENTRY (view)); + + if (completion) + return gtk_entry_completion_get_model (completion); + + return NULL; +} + +static void +gimp_container_entry_finalize (GObject *object) +{ + GimpContainerEntry *entry = GIMP_CONTAINER_ENTRY (object); + + if (entry->viewable) + { + g_object_remove_weak_pointer (G_OBJECT (entry->viewable), + (gpointer) &entry->viewable); + entry->viewable = NULL; + } + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_container_entry_set_context (GimpContainerView *view, + GimpContext *context) +{ + GtkTreeModel *model = gimp_container_entry_get_model (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_entry_insert_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer parent_insert_data, + gint index) +{ + GtkTreeModel *model = gimp_container_entry_get_model (view); + + return gimp_container_tree_store_insert_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + parent_insert_data, + index); +} + +static void +gimp_container_entry_remove_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data) +{ + GtkTreeModel *model = gimp_container_entry_get_model (view); + + gimp_container_tree_store_remove_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + insert_data); +} + +static void +gimp_container_entry_reorder_item (GimpContainerView *view, + GimpViewable *viewable, + gint new_index, + gpointer insert_data) +{ + GtkTreeModel *model = gimp_container_entry_get_model (view); + + gimp_container_tree_store_reorder_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + new_index, + insert_data); +} + +static void +gimp_container_entry_rename_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data) +{ + GimpContainerEntry *container_entry = GIMP_CONTAINER_ENTRY (view); + GtkEntry *entry = GTK_ENTRY (view); + GtkTreeModel *model = gimp_container_entry_get_model (view); + + if (viewable == container_entry->viewable) + { + g_signal_handlers_block_by_func (entry, + gimp_container_entry_changed, + view); + + gtk_entry_set_text (entry, gimp_object_get_name (viewable)); + + g_signal_handlers_unblock_by_func (entry, + gimp_container_entry_changed, + view); + } + + gimp_container_tree_store_rename_item (GIMP_CONTAINER_TREE_STORE (model), + viewable, + insert_data); +} + +static gboolean +gimp_container_entry_select_item (GimpContainerView *view, + GimpViewable *viewable, + gpointer insert_data) +{ + GimpContainerEntry *container_entry = GIMP_CONTAINER_ENTRY (view); + GtkEntry *entry = GTK_ENTRY (view); + GtkTreeIter *iter = insert_data; + + g_signal_handlers_block_by_func (entry, + gimp_container_entry_changed, + view); + + if (container_entry->viewable) + { + g_object_remove_weak_pointer (G_OBJECT (container_entry->viewable), + (gpointer) &container_entry->viewable); + container_entry->viewable = NULL; + } + + if (iter) + { + container_entry->viewable = viewable; + g_object_add_weak_pointer (G_OBJECT (container_entry->viewable), + (gpointer) &container_entry->viewable); + + gtk_widget_modify_text (GTK_WIDGET (entry), GTK_STATE_NORMAL, NULL); + } + else + { + /* The selected item does not exist. */ + GdkColor gdk_red; + + gdk_red.red = 65535; + gdk_red.green = 0; + gdk_red.blue = 0; + + gtk_widget_modify_text (GTK_WIDGET (entry), GTK_STATE_NORMAL, &gdk_red); + } + gtk_entry_set_text (entry, viewable? gimp_object_get_name (viewable) : ""); + + g_signal_handlers_unblock_by_func (entry, + gimp_container_entry_changed, + view); + + return TRUE; +} + +static void +gimp_container_entry_clear_items (GimpContainerView *view) +{ + GtkTreeModel *model = gimp_container_entry_get_model (view); + + /* model is NULL in dispose() */ + if (model) + gimp_container_tree_store_clear_items (GIMP_CONTAINER_TREE_STORE (model)); + + parent_view_iface->clear_items (view); +} + +static void +gimp_container_entry_set_view_size (GimpContainerView *view) +{ + GtkTreeModel *model = gimp_container_entry_get_model (view); + + gimp_container_tree_store_set_view_size (GIMP_CONTAINER_TREE_STORE (model)); +} + +static void +gimp_container_entry_changed (GtkEntry *entry, + GimpContainerView *view) +{ + GimpContainerEntry *container_entry = GIMP_CONTAINER_ENTRY (entry); + GimpContainer *container = gimp_container_view_get_container (view); + GimpObject *object; + const gchar *text; + + if (! container) + return; + + if (container_entry->viewable) + { + g_object_remove_weak_pointer (G_OBJECT (container_entry->viewable), + (gpointer) &container_entry->viewable); + container_entry->viewable = NULL; + } + + text = gtk_entry_get_text (entry); + + object = gimp_container_get_child_by_name (container, text); + + if (object) + { + container_entry->viewable = GIMP_VIEWABLE (object); + g_object_add_weak_pointer (G_OBJECT (container_entry->viewable), + (gpointer) &container_entry->viewable); + + gtk_widget_modify_text (GTK_WIDGET (entry), GTK_STATE_NORMAL, NULL); + gimp_container_view_item_selected (view, GIMP_VIEWABLE (object)); + } + else + { + /* While editing the entry, contents shows in red for non-existent item. */ + GdkColor gdk_red; + + gdk_red.red = 65535; + gdk_red.green = 0; + gdk_red.blue = 0; + + gtk_widget_modify_text (GTK_WIDGET (entry), GTK_STATE_NORMAL, &gdk_red); + } +} + +static void +gimp_container_entry_match_selected (GtkEntryCompletion *widget, + GtkTreeModel *model, + GtkTreeIter *iter, + GimpContainerView *view) +{ + GimpViewRenderer *renderer; + + gtk_tree_model_get (model, iter, + GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer, + -1); + + gimp_container_view_item_selected (view, renderer->viewable); + g_object_unref (renderer); +} |