2207 lines
65 KiB
C
2207 lines
65 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikatagentry.c
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* Copyright (C) 2008 Aurimas Juška <aurisj@svn.gnome.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#include "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "core/pika-utils.h"
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#include "core/pikacontainer.h"
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#include "core/pikacontext.h"
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#include "core/pikatag.h"
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#include "core/pikatagged.h"
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#include "core/pikataggedcontainer.h"
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#include "core/pikaviewable.h"
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#include "pikatagentry.h"
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#include "pika-intl.h"
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#define PIKA_TAG_ENTRY_QUERY_DESC _("filter")
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#define PIKA_TAG_ENTRY_ASSIGN_DESC _("enter tags")
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#define PIKA_TAG_ENTRY_MAX_RECENT_ITEMS 20
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typedef enum
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{
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TAG_SEARCH_NONE,
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TAG_SEARCH_LEFT,
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TAG_SEARCH_RIGHT,
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} PikaTagSearchDir;
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enum
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{
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PROP_0,
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PROP_CONTAINER,
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PROP_MODE
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};
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static void pika_tag_entry_dispose (GObject *object);
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static void pika_tag_entry_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void pika_tag_entry_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void pika_tag_entry_activate (GtkEntry *entry);
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static void pika_tag_entry_changed (GtkEntry *entry);
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static void pika_tag_entry_insert_text (GtkEditable *editable,
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gchar *new_text,
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gint text_length,
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gint *position);
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static void pika_tag_entry_delete_text (GtkEditable *editable,
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gint start_pos,
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gint end_pos);
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static gboolean pika_tag_entry_focus_in (GtkWidget *widget,
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GdkEventFocus *event);
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static gboolean pika_tag_entry_focus_out (GtkWidget *widget,
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GdkEventFocus *event);
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static void pika_tag_entry_container_changed (PikaContainer *container,
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PikaObject *object,
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PikaTagEntry *entry);
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static gboolean pika_tag_entry_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static gboolean pika_tag_entry_key_press (GtkWidget *widget,
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GdkEventKey *event);
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static gboolean pika_tag_entry_query_tag (PikaTagEntry *entry);
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static void pika_tag_entry_assign_tags (PikaTagEntry *entry);
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static void pika_tag_entry_load_selection (PikaTagEntry *entry,
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gboolean sort);
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static void pika_tag_entry_find_common_tags (gpointer key,
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gpointer value,
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gpointer user_data);
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static gchar * pika_tag_entry_get_completion_prefix (PikaTagEntry *entry);
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static GList * pika_tag_entry_get_completion_candidates (PikaTagEntry *entry,
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gchar **used_tags,
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gchar *prefix);
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static gchar * pika_tag_entry_get_completion_string (PikaTagEntry *entry,
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GList *candidates,
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gchar *prefix);
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static gboolean pika_tag_entry_auto_complete (PikaTagEntry *entry);
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static void pika_tag_entry_toggle_desc (PikaTagEntry *widget,
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gboolean show);
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static gboolean pika_tag_entry_draw (GtkWidget *widget,
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cairo_t *cr);
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static void pika_tag_entry_commit_region (GString *tags,
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GString *mask);
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static void pika_tag_entry_commit_tags (PikaTagEntry *entry);
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static gboolean pika_tag_entry_commit_source_func (PikaTagEntry *entry);
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static gboolean pika_tag_entry_select_jellybean (PikaTagEntry *entry,
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gint selection_start,
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gint selection_end,
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PikaTagSearchDir search_dir);
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static gboolean pika_tag_entry_try_select_jellybean (PikaTagEntry *entry);
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static gboolean pika_tag_entry_add_to_recent (PikaTagEntry *entry,
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const gchar *tags_string,
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gboolean to_front);
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static void pika_tag_entry_next_tag (PikaTagEntry *entry,
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gboolean select);
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static void pika_tag_entry_previous_tag (PikaTagEntry *entry,
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gboolean select);
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static void pika_tag_entry_select_for_deletion (PikaTagEntry *entry,
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PikaTagSearchDir search_dir);
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static gboolean pika_tag_entry_strip_extra_whitespace (PikaTagEntry *entry);
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G_DEFINE_TYPE (PikaTagEntry, pika_tag_entry, GTK_TYPE_ENTRY)
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#define parent_class pika_tag_entry_parent_class
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static void
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pika_tag_entry_class_init (PikaTagEntryClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->dispose = pika_tag_entry_dispose;
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object_class->get_property = pika_tag_entry_get_property;
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object_class->set_property = pika_tag_entry_set_property;
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widget_class->button_release_event = pika_tag_entry_button_release;
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g_object_class_install_property (object_class,
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PROP_CONTAINER,
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g_param_spec_object ("container",
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"Tagged container",
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"The Tagged container",
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PIKA_TYPE_TAGGED_CONTAINER,
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_READWRITE));
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g_object_class_install_property (object_class,
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PROP_MODE,
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g_param_spec_enum ("mode",
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"Working mode",
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"Mode in which to work.",
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PIKA_TYPE_TAG_ENTRY_MODE,
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PIKA_TAG_ENTRY_MODE_QUERY,
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_READWRITE));
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}
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static void
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pika_tag_entry_init (PikaTagEntry *entry)
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{
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entry->container = NULL;
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entry->selected_items = NULL;
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entry->common_tags = NULL;
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entry->tab_completion_index = -1;
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entry->mode = PIKA_TAG_ENTRY_MODE_QUERY;
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entry->description_shown = FALSE;
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entry->has_invalid_tags = FALSE;
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entry->mask = g_string_new ("");
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g_signal_connect (entry, "activate",
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G_CALLBACK (pika_tag_entry_activate),
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NULL);
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g_signal_connect (entry, "changed",
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G_CALLBACK (pika_tag_entry_changed),
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NULL);
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g_signal_connect (entry, "insert-text",
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G_CALLBACK (pika_tag_entry_insert_text),
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NULL);
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g_signal_connect (entry, "delete-text",
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G_CALLBACK (pika_tag_entry_delete_text),
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NULL);
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g_signal_connect (entry, "key-press-event",
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G_CALLBACK (pika_tag_entry_key_press),
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NULL);
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g_signal_connect (entry, "focus-in-event",
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G_CALLBACK (pika_tag_entry_focus_in),
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NULL);
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g_signal_connect (entry, "focus-out-event",
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G_CALLBACK (pika_tag_entry_focus_out),
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NULL);
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g_signal_connect_after (entry, "draw",
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G_CALLBACK (pika_tag_entry_draw),
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NULL);
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}
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static void
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pika_tag_entry_dispose (GObject *object)
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{
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PikaTagEntry *entry = PIKA_TAG_ENTRY (object);
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g_clear_pointer (&entry->selected_items, g_list_free);
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if (entry->common_tags)
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{
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g_list_free_full (entry->common_tags, (GDestroyNotify) g_object_unref);
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entry->common_tags = NULL;
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}
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if (entry->recent_list)
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{
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g_list_free_full (entry->recent_list, (GDestroyNotify) g_free);
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entry->recent_list = NULL;
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}
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if (entry->container)
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{
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g_signal_handlers_disconnect_by_func (entry->container,
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pika_tag_entry_container_changed,
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entry);
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g_clear_object (&entry->container);
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}
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if (entry->mask)
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{
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g_string_free (entry->mask, TRUE);
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entry->mask = NULL;
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}
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if (entry->tag_query_idle_id)
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{
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g_source_remove (entry->tag_query_idle_id);
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entry->tag_query_idle_id = 0;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_tag_entry_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaTagEntry *entry = PIKA_TAG_ENTRY (object);
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switch (property_id)
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{
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case PROP_CONTAINER:
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entry->container = g_value_dup_object (value);
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g_signal_connect (entry->container, "add",
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G_CALLBACK (pika_tag_entry_container_changed),
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entry);
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g_signal_connect (entry->container, "remove",
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G_CALLBACK (pika_tag_entry_container_changed),
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entry);
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break;
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case PROP_MODE:
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entry->mode = g_value_get_enum (value);
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pika_tag_entry_toggle_desc (entry, TRUE);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_tag_entry_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaTagEntry *entry = PIKA_TAG_ENTRY (object);
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switch (property_id)
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{
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case PROP_CONTAINER:
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g_value_set_object (value, entry->container);
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break;
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case PROP_MODE:
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g_value_set_enum (value, entry->mode);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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/**
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* pika_tag_entry_new:
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* @container: a #PikaTaggedContainer object
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* @mode: #PikaTagEntryMode to work in.
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*
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* #PikaTagEntry is a widget which can query and assign tags to tagged objects.
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* When operating in query mode, @container is kept up to date with
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* tags selected. When operating in assignment mode, tags are assigned to
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* objects selected and visible in @container.
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*
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* Returns: a new PikaTagEntry widget.
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**/
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GtkWidget *
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pika_tag_entry_new (PikaTaggedContainer *container,
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PikaTagEntryMode mode)
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{
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g_return_val_if_fail (PIKA_IS_TAGGED_CONTAINER (container), NULL);
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return g_object_new (PIKA_TYPE_TAG_ENTRY,
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"container", container,
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"mode", mode,
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NULL);
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}
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static void
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pika_tag_entry_activate (GtkEntry *entry)
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{
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PikaTagEntry *tag_entry = PIKA_TAG_ENTRY (entry);
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gint selection_start;
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gint selection_end;
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GList *list;
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pika_tag_entry_toggle_desc (tag_entry, FALSE);
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gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
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&selection_start, &selection_end);
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if (selection_start != selection_end)
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{
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gtk_editable_select_region (GTK_EDITABLE (entry),
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selection_end, selection_end);
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}
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for (list = tag_entry->selected_items; list; list = g_list_next (list))
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{
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if (pika_container_have (PIKA_CONTAINER (tag_entry->container),
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PIKA_OBJECT (list->data)))
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{
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break;
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}
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}
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if (tag_entry->mode == PIKA_TAG_ENTRY_MODE_ASSIGN && list)
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{
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pika_tag_entry_assign_tags (PIKA_TAG_ENTRY (entry));
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}
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}
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/**
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* pika_tag_entry_set_tag_string:
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* @entry: a #PikaTagEntry object.
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* @tag_string: string of tags, separated by any terminal punctuation
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* character.
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*
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* Sets tags from @tag_string to @tag_entry. Given tags do not need to
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* be valid as they can be fixed or dropped automatically. Depending on
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* selected #PikaTagEntryMode, appropriate action is performed.
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**/
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void
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pika_tag_entry_set_tag_string (PikaTagEntry *entry,
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const gchar *tag_string)
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{
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g_return_if_fail (PIKA_IS_TAG_ENTRY (entry));
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entry->internal_operation++;
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entry->suppress_tag_query++;
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gtk_entry_set_text (GTK_ENTRY (entry), tag_string);
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gtk_editable_set_position (GTK_EDITABLE (entry), -1);
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entry->suppress_tag_query--;
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entry->internal_operation--;
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pika_tag_entry_commit_tags (entry);
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if (entry->mode == PIKA_TAG_ENTRY_MODE_ASSIGN)
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{
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pika_tag_entry_assign_tags (entry);
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}
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else if (entry->mode == PIKA_TAG_ENTRY_MODE_QUERY)
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{
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pika_tag_entry_query_tag (entry);
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}
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}
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static void
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pika_tag_entry_changed (GtkEntry *entry)
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{
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PikaTagEntry *tag_entry = PIKA_TAG_ENTRY (entry);
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gchar *text;
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text = g_strdup (gtk_entry_get_text (entry));
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text = g_strstrip (text);
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if (! gtk_widget_has_focus (GTK_WIDGET (entry)) &&
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strlen (text) == 0)
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{
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pika_tag_entry_toggle_desc (tag_entry, TRUE);
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}
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else
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{
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pika_tag_entry_toggle_desc (tag_entry, FALSE);
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}
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g_free (text);
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if (tag_entry->mode == PIKA_TAG_ENTRY_MODE_QUERY &&
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! tag_entry->suppress_tag_query &&
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! tag_entry->tag_query_idle_id)
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{
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tag_entry->tag_query_idle_id =
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g_idle_add ((GSourceFunc) pika_tag_entry_query_tag, entry);
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}
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}
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static void
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pika_tag_entry_insert_text (GtkEditable *editable,
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gchar *new_text,
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gint text_length,
|
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gint *position)
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{
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PikaTagEntry *entry = PIKA_TAG_ENTRY (editable);
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gboolean is_tag[2];
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gint i;
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gint insert_pos = *position;
|
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glong num_chars;
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|
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num_chars = g_utf8_strlen (new_text, text_length);
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|
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if (! entry->internal_operation)
|
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{
|
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/* suppress tag queries until auto completion runs */
|
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entry->suppress_tag_query++;
|
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}
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|
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is_tag[0] = FALSE;
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if (*position > 0)
|
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{
|
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is_tag[0] = (entry->mask->str[*position - 1] == 't' ||
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entry->mask->str[*position - 1] == 's');
|
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}
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|
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is_tag[1] = (entry->mask->str[*position] == 't' ||
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entry->mask->str[*position] == 's');
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|
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if (is_tag[0] && is_tag[1])
|
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{
|
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g_signal_stop_emission_by_name (editable, "insert-text");
|
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}
|
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else if (num_chars > 0)
|
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{
|
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gunichar c = g_utf8_get_char (new_text);
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|
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if (! entry->internal_operation &&
|
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*position > 0 &&
|
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entry->mask->str[*position - 1] == 's' &&
|
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! g_unichar_isspace (c))
|
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{
|
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if (! entry->suppress_mask_update)
|
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{
|
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g_string_insert_c (entry->mask, *position, 'u');
|
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}
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|
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g_signal_handlers_block_by_func (editable,
|
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pika_tag_entry_insert_text,
|
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NULL);
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|
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gtk_editable_insert_text (editable, " ", 1, position);
|
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gtk_editable_insert_text (editable, new_text, text_length, position);
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|
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g_signal_handlers_unblock_by_func (editable,
|
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pika_tag_entry_insert_text,
|
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NULL);
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|
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g_signal_stop_emission_by_name (editable, "insert-text");
|
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}
|
|
else if (! entry->internal_operation &&
|
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num_chars == 1 &&
|
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*position < entry->mask->len &&
|
|
entry->mask->str[*position] == 't' &&
|
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! g_unichar_isspace (c))
|
|
{
|
|
if (! entry->suppress_mask_update)
|
|
{
|
|
g_string_insert_c (entry->mask, *position, 'u');
|
|
}
|
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|
|
g_signal_handlers_block_by_func (editable,
|
|
pika_tag_entry_insert_text,
|
|
NULL);
|
|
|
|
gtk_editable_insert_text (editable, new_text, text_length, position);
|
|
gtk_editable_insert_text (editable, " ", 1, position);
|
|
(*position)--;
|
|
|
|
g_signal_handlers_unblock_by_func (editable,
|
|
pika_tag_entry_insert_text,
|
|
NULL);
|
|
|
|
g_signal_stop_emission_by_name (editable, "insert-text");
|
|
}
|
|
|
|
if (! entry->suppress_mask_update)
|
|
{
|
|
for (i = 0; i < num_chars; i++)
|
|
{
|
|
g_string_insert_c (entry->mask, insert_pos + i, 'u');
|
|
}
|
|
}
|
|
}
|
|
|
|
if (! entry->internal_operation)
|
|
{
|
|
entry->tab_completion_index = -1;
|
|
g_idle_add ((GSourceFunc) pika_tag_entry_auto_complete, editable);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_delete_text (GtkEditable *editable,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
PikaTagEntry *entry = PIKA_TAG_ENTRY (editable);
|
|
|
|
if (! entry->internal_operation)
|
|
{
|
|
g_signal_handlers_block_by_func (editable,
|
|
pika_tag_entry_delete_text,
|
|
NULL);
|
|
|
|
if (end_pos > start_pos &&
|
|
(entry->mask->str[end_pos - 1] == 't' ||
|
|
entry->mask->str[end_pos - 1] == 's'))
|
|
{
|
|
while (end_pos <= entry->mask->len &&
|
|
(entry->mask->str[end_pos] == 's'))
|
|
{
|
|
end_pos++;
|
|
}
|
|
}
|
|
|
|
gtk_editable_delete_text (editable, start_pos, end_pos);
|
|
if (! entry->suppress_mask_update)
|
|
{
|
|
g_string_erase (entry->mask, start_pos, end_pos - start_pos);
|
|
}
|
|
|
|
g_signal_handlers_unblock_by_func (editable,
|
|
pika_tag_entry_delete_text,
|
|
NULL);
|
|
|
|
g_signal_stop_emission_by_name (editable, "delete-text");
|
|
}
|
|
else
|
|
{
|
|
if (! entry->suppress_mask_update)
|
|
{
|
|
g_string_erase (entry->mask, start_pos, end_pos - start_pos);
|
|
}
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_query_tag (PikaTagEntry *entry)
|
|
{
|
|
gchar **parsed_tags;
|
|
gint count;
|
|
gint i;
|
|
GList *query_list = NULL;
|
|
gboolean has_invalid_tags;
|
|
|
|
entry->tag_query_idle_id = 0;
|
|
|
|
if (entry->suppress_tag_query)
|
|
return FALSE;
|
|
|
|
has_invalid_tags = FALSE;
|
|
|
|
parsed_tags = pika_tag_entry_parse_tags (entry);
|
|
count = g_strv_length (parsed_tags);
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (strlen (parsed_tags[i]) > 0)
|
|
{
|
|
PikaTag *tag = pika_tag_try_new (parsed_tags[i]);
|
|
|
|
if (! tag)
|
|
has_invalid_tags = TRUE;
|
|
|
|
query_list = g_list_append (query_list, tag);
|
|
}
|
|
}
|
|
g_strfreev (parsed_tags);
|
|
|
|
pika_tagged_container_set_filter (PIKA_TAGGED_CONTAINER (entry->container),
|
|
query_list);
|
|
|
|
g_list_free_full (query_list, (GDestroyNotify) pika_tag_or_null_unref);
|
|
|
|
if (has_invalid_tags != entry->has_invalid_tags)
|
|
{
|
|
entry->has_invalid_tags = has_invalid_tags;
|
|
gtk_widget_queue_draw (GTK_WIDGET (entry));
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_auto_complete (PikaTagEntry *tag_entry)
|
|
{
|
|
GtkEntry *entry = GTK_ENTRY (tag_entry);
|
|
gchar *completion_prefix;
|
|
GList *completion_candidates;
|
|
gint candidate_count = 0;
|
|
gchar **tags;
|
|
gchar *completion;
|
|
gint start_position;
|
|
gint end_position;
|
|
|
|
tag_entry->suppress_tag_query--;
|
|
if (tag_entry->mode == PIKA_TAG_ENTRY_MODE_QUERY)
|
|
{
|
|
/* tag query was suppressed until we got to auto completion (here),
|
|
* now queue tag query
|
|
*/
|
|
tag_entry->tag_query_idle_id =
|
|
g_idle_add ((GSourceFunc) pika_tag_entry_query_tag, tag_entry);
|
|
}
|
|
|
|
if (tag_entry->tab_completion_index >= 0)
|
|
{
|
|
tag_entry->internal_operation++;
|
|
tag_entry->suppress_tag_query++;
|
|
gtk_editable_delete_selection (GTK_EDITABLE (tag_entry));
|
|
tag_entry->suppress_tag_query--;
|
|
tag_entry->internal_operation--;
|
|
}
|
|
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (tag_entry),
|
|
&start_position, &end_position);
|
|
if (start_position != end_position)
|
|
{
|
|
/* only autocomplete what user types,
|
|
* not was autocompleted in the previous step.
|
|
*/
|
|
return FALSE;
|
|
}
|
|
|
|
completion_prefix =
|
|
pika_tag_entry_get_completion_prefix (PIKA_TAG_ENTRY (entry));
|
|
tags = pika_tag_entry_parse_tags (PIKA_TAG_ENTRY (entry));
|
|
completion_candidates =
|
|
pika_tag_entry_get_completion_candidates (PIKA_TAG_ENTRY (entry),
|
|
tags,
|
|
completion_prefix);
|
|
completion_candidates = g_list_sort (completion_candidates,
|
|
pika_tag_compare_func);
|
|
|
|
if (tag_entry->tab_completion_index >= 0 && completion_candidates)
|
|
{
|
|
PikaTag *the_chosen_one;
|
|
|
|
candidate_count = g_list_length (completion_candidates);
|
|
tag_entry->tab_completion_index %= candidate_count;
|
|
the_chosen_one = g_list_nth_data (completion_candidates,
|
|
tag_entry->tab_completion_index);
|
|
g_list_free (completion_candidates);
|
|
completion_candidates = NULL;
|
|
completion_candidates = g_list_append (completion_candidates,
|
|
the_chosen_one);
|
|
}
|
|
|
|
completion = pika_tag_entry_get_completion_string (PIKA_TAG_ENTRY (entry),
|
|
completion_candidates,
|
|
completion_prefix);
|
|
|
|
if (completion && strlen (completion) > 0)
|
|
{
|
|
start_position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
end_position = start_position;
|
|
tag_entry->internal_operation++;
|
|
gtk_editable_insert_text (GTK_EDITABLE (entry),
|
|
completion, strlen (completion),
|
|
&end_position);
|
|
tag_entry->internal_operation--;
|
|
if (tag_entry->tab_completion_index >= 0 &&
|
|
candidate_count == 1)
|
|
{
|
|
gtk_editable_set_position (GTK_EDITABLE (entry), end_position);
|
|
}
|
|
else
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry),
|
|
start_position, end_position);
|
|
}
|
|
}
|
|
|
|
g_free (completion);
|
|
g_strfreev (tags);
|
|
g_list_free (completion_candidates);
|
|
g_free (completion_prefix);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_assign_tags (PikaTagEntry *tag_entry)
|
|
{
|
|
gchar **parsed_tags;
|
|
gint count;
|
|
gint i;
|
|
GList *resource_iter;
|
|
GList *tag_iter;
|
|
GList *selected_items;
|
|
GList *dont_remove_list = NULL;
|
|
GList *remove_list = NULL;
|
|
GList *add_list = NULL;
|
|
GList *common_tags = NULL;
|
|
|
|
parsed_tags = pika_tag_entry_parse_tags (tag_entry);
|
|
|
|
count = g_strv_length (parsed_tags);
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
PikaTag *tag = pika_tag_new (parsed_tags[i]);
|
|
|
|
if (tag)
|
|
{
|
|
if (g_list_find_custom (tag_entry->common_tags, tag,
|
|
pika_tag_compare_func))
|
|
{
|
|
dont_remove_list = g_list_prepend (dont_remove_list, tag);
|
|
}
|
|
else
|
|
{
|
|
add_list = g_list_prepend (add_list, g_object_ref (tag));
|
|
}
|
|
|
|
common_tags = g_list_prepend (common_tags, tag);
|
|
}
|
|
}
|
|
|
|
g_strfreev (parsed_tags);
|
|
|
|
/* find common tags which were removed. */
|
|
for (tag_iter = tag_entry->common_tags;
|
|
tag_iter;
|
|
tag_iter = g_list_next (tag_iter))
|
|
{
|
|
if (! g_list_find_custom (dont_remove_list, tag_iter->data,
|
|
pika_tag_compare_func))
|
|
{
|
|
remove_list = g_list_prepend (remove_list,
|
|
g_object_ref (tag_iter->data));
|
|
}
|
|
}
|
|
|
|
g_list_free (dont_remove_list);
|
|
|
|
/* duplicate tag_entry->selected_items for the add/remove loop
|
|
* because adding/removing can change tag_entry->selected_items.
|
|
* See Issue #2227.
|
|
*/
|
|
selected_items = g_list_copy_deep (tag_entry->selected_items,
|
|
(GCopyFunc) g_object_ref, NULL);
|
|
|
|
for (resource_iter = selected_items;
|
|
resource_iter;
|
|
resource_iter = g_list_next (resource_iter))
|
|
{
|
|
PikaTagged *tagged = PIKA_TAGGED (resource_iter->data);
|
|
|
|
for (tag_iter = remove_list; tag_iter; tag_iter = g_list_next (tag_iter))
|
|
{
|
|
pika_tagged_remove_tag (tagged, tag_iter->data);
|
|
}
|
|
|
|
for (tag_iter = add_list; tag_iter; tag_iter = g_list_next (tag_iter))
|
|
{
|
|
pika_tagged_add_tag (tagged, tag_iter->data);
|
|
}
|
|
}
|
|
|
|
g_list_free_full (selected_items, (GDestroyNotify) g_object_unref);
|
|
|
|
g_list_free_full (add_list, (GDestroyNotify) g_object_unref);
|
|
g_list_free_full (remove_list, (GDestroyNotify) g_object_unref);
|
|
|
|
/* common tags list with changes applied. */
|
|
g_list_free_full (tag_entry->common_tags, (GDestroyNotify) g_object_unref);
|
|
tag_entry->common_tags = common_tags;
|
|
}
|
|
|
|
/**
|
|
* pika_tag_entry_parse_tags:
|
|
* @entry: a #PikaTagEntry widget.
|
|
*
|
|
* Parses currently entered tags from @entry. Tags do not need to be
|
|
* valid as they are fixed when necessary. Only valid tags are
|
|
* returned.
|
|
*
|
|
* Returns: a newly allocated NULL terminated list of strings. It
|
|
* should be freed using g_strfreev().
|
|
**/
|
|
gchar **
|
|
pika_tag_entry_parse_tags (PikaTagEntry *entry)
|
|
{
|
|
gchar **parsed_tags;
|
|
gint length;
|
|
gint i;
|
|
GString *parsed_tag;
|
|
const gchar *cursor;
|
|
GList *tag_list = NULL;
|
|
GList *iterator;
|
|
gunichar c;
|
|
|
|
g_return_val_if_fail (PIKA_IS_TAG_ENTRY (entry), NULL);
|
|
|
|
parsed_tag = g_string_new ("");
|
|
cursor = gtk_entry_get_text (GTK_ENTRY (entry));
|
|
do
|
|
{
|
|
c = g_utf8_get_char (cursor);
|
|
cursor = g_utf8_next_char (cursor);
|
|
|
|
if (! c || pika_tag_is_tag_separator (c))
|
|
{
|
|
if (parsed_tag->len > 0)
|
|
{
|
|
gchar *validated_tag = pika_tag_string_make_valid (parsed_tag->str);
|
|
|
|
if (validated_tag)
|
|
{
|
|
tag_list = g_list_append (tag_list, validated_tag);
|
|
}
|
|
|
|
g_string_set_size (parsed_tag, 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
g_string_append_unichar (parsed_tag, c);
|
|
}
|
|
}
|
|
while (c);
|
|
|
|
g_string_free (parsed_tag, TRUE);
|
|
|
|
length = g_list_length (tag_list);
|
|
parsed_tags = g_malloc ((length + 1) * sizeof (gchar **));
|
|
iterator = tag_list;
|
|
for (i = 0; i < length; i++)
|
|
{
|
|
parsed_tags[i] = (gchar *) iterator->data;
|
|
|
|
iterator = g_list_next (iterator);
|
|
}
|
|
parsed_tags[length] = NULL;
|
|
|
|
g_list_free (tag_list);
|
|
|
|
return parsed_tags;
|
|
}
|
|
|
|
/**
|
|
* pika_tag_entry_set_selected_items:
|
|
* @tag_entry: a #PikaTagEntry widget.
|
|
* @items: a list of #PikaTagged objects.
|
|
*
|
|
* Set list of currently selected #PikaTagged objects. Only selected and
|
|
* visible (not filtered out) #PikaTagged objects are assigned tags when
|
|
* operating in tag assignment mode.
|
|
**/
|
|
void
|
|
pika_tag_entry_set_selected_items (PikaTagEntry *tag_entry,
|
|
GList *items)
|
|
{
|
|
g_return_if_fail (PIKA_IS_TAG_ENTRY (tag_entry));
|
|
|
|
if (tag_entry->selected_items)
|
|
{
|
|
g_list_free (tag_entry->selected_items);
|
|
tag_entry->selected_items = NULL;
|
|
}
|
|
|
|
if (tag_entry->common_tags)
|
|
{
|
|
g_list_free_full (tag_entry->common_tags, (GDestroyNotify) g_object_unref);
|
|
tag_entry->common_tags = NULL;
|
|
}
|
|
|
|
tag_entry->selected_items = g_list_copy (items);
|
|
|
|
if (tag_entry->mode == PIKA_TAG_ENTRY_MODE_ASSIGN)
|
|
{
|
|
pika_tag_entry_load_selection (tag_entry, TRUE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_load_selection (PikaTagEntry *tag_entry,
|
|
gboolean sort)
|
|
{
|
|
GList *list;
|
|
gint insert_pos;
|
|
GHashTable *refcounts;
|
|
GList *resource;
|
|
GList *tag;
|
|
|
|
tag_entry->internal_operation++;
|
|
gtk_editable_delete_text (GTK_EDITABLE (tag_entry), 0, -1);
|
|
tag_entry->internal_operation--;
|
|
|
|
if (! tag_entry->selected_items)
|
|
{
|
|
pika_tag_entry_toggle_desc (tag_entry, FALSE);
|
|
return;
|
|
}
|
|
|
|
refcounts = g_hash_table_new ((GHashFunc) pika_tag_get_hash,
|
|
(GEqualFunc) pika_tag_equals);
|
|
|
|
/* find set of tags common to all resources. */
|
|
for (resource = tag_entry->selected_items;
|
|
resource;
|
|
resource = g_list_next (resource))
|
|
{
|
|
for (tag = pika_tagged_get_tags (PIKA_TAGGED (resource->data));
|
|
tag;
|
|
tag = g_list_next (tag))
|
|
{
|
|
/* count refcount for each tag */
|
|
guint refcount = GPOINTER_TO_UINT (g_hash_table_lookup (refcounts,
|
|
tag->data));
|
|
|
|
g_hash_table_insert (refcounts, tag->data,
|
|
GUINT_TO_POINTER (refcount + 1));
|
|
}
|
|
}
|
|
|
|
g_hash_table_foreach (refcounts, pika_tag_entry_find_common_tags, tag_entry);
|
|
|
|
g_hash_table_destroy (refcounts);
|
|
|
|
tag_entry->common_tags = g_list_sort (tag_entry->common_tags,
|
|
pika_tag_compare_func);
|
|
|
|
insert_pos = gtk_editable_get_position (GTK_EDITABLE (tag_entry));
|
|
|
|
for (list = tag_entry->common_tags; list; list = g_list_next (list))
|
|
{
|
|
PikaTag *tag = list->data;
|
|
gchar *text;
|
|
|
|
text = g_strdup_printf ("%s%s ",
|
|
pika_tag_get_name (tag),
|
|
pika_tag_entry_get_separator ());
|
|
|
|
tag_entry->internal_operation++;
|
|
gtk_editable_insert_text (GTK_EDITABLE (tag_entry), text, strlen (text),
|
|
&insert_pos);
|
|
tag_entry->internal_operation--;
|
|
|
|
g_free (text);
|
|
}
|
|
|
|
pika_tag_entry_commit_tags (tag_entry);
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_find_common_tags (gpointer key,
|
|
gpointer value,
|
|
gpointer user_data)
|
|
{
|
|
guint ref_count = GPOINTER_TO_UINT (value);
|
|
PikaTagEntry *tag_entry = PIKA_TAG_ENTRY (user_data);
|
|
|
|
/* FIXME: more efficient list length */
|
|
if (ref_count == g_list_length (tag_entry->selected_items))
|
|
{
|
|
tag_entry->common_tags = g_list_prepend (tag_entry->common_tags,
|
|
g_object_ref (key));
|
|
}
|
|
}
|
|
|
|
static gchar *
|
|
pika_tag_entry_get_completion_prefix (PikaTagEntry *entry)
|
|
{
|
|
gchar *original_string;
|
|
gchar *prefix_start;
|
|
gchar *prefix;
|
|
gchar *cursor;
|
|
gint position;
|
|
gint i;
|
|
|
|
position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
if (position < 1 ||
|
|
entry->mask->str[position - 1] != 'u')
|
|
{
|
|
return g_strdup ("");
|
|
}
|
|
|
|
original_string = g_strdup (gtk_entry_get_text (GTK_ENTRY (entry)));
|
|
cursor = original_string;
|
|
prefix_start = original_string;
|
|
for (i = 0; i < position; i++)
|
|
{
|
|
gunichar c;
|
|
|
|
c = g_utf8_get_char (cursor);
|
|
cursor = g_utf8_next_char (cursor);
|
|
|
|
if (pika_tag_is_tag_separator (c))
|
|
prefix_start = cursor;
|
|
}
|
|
*cursor = '\0';
|
|
|
|
prefix = g_strdup (g_strchug (prefix_start));
|
|
g_free (original_string);
|
|
|
|
return prefix;
|
|
}
|
|
|
|
static GList *
|
|
pika_tag_entry_get_completion_candidates (PikaTagEntry *tag_entry,
|
|
gchar **used_tags,
|
|
gchar *src_prefix)
|
|
{
|
|
GList *candidates = NULL;
|
|
GList *all_tags;
|
|
GList *list;
|
|
gint length;
|
|
gchar *prefix;
|
|
|
|
if (! src_prefix || strlen (src_prefix) < 1)
|
|
return NULL;
|
|
|
|
prefix = g_utf8_normalize (src_prefix, -1, G_NORMALIZE_ALL);
|
|
if (! prefix)
|
|
return NULL;
|
|
|
|
all_tags = g_hash_table_get_keys (tag_entry->container->tag_ref_counts);
|
|
length = g_strv_length (used_tags);
|
|
|
|
for (list = all_tags; list; list = g_list_next (list))
|
|
{
|
|
PikaTag *tag = list->data;
|
|
|
|
if (pika_tag_has_prefix (tag, prefix))
|
|
{
|
|
gint i;
|
|
|
|
/* check if tag is not already entered */
|
|
for (i = 0; i < length; i++)
|
|
{
|
|
if (! pika_tag_compare_with_string (tag, used_tags[i]))
|
|
break;
|
|
}
|
|
|
|
if (i == length)
|
|
candidates = g_list_append (candidates, list->data);
|
|
}
|
|
}
|
|
|
|
g_list_free (all_tags);
|
|
|
|
g_free (prefix);
|
|
|
|
return candidates;
|
|
}
|
|
|
|
static gchar *
|
|
pika_tag_entry_get_completion_string (PikaTagEntry *tag_entry,
|
|
GList *candidates,
|
|
gchar *prefix)
|
|
{
|
|
const gchar **completions;
|
|
guint length;
|
|
guint i;
|
|
GList *candidate_iterator;
|
|
const gchar *candidate_string;
|
|
gint prefix_length;
|
|
gunichar c;
|
|
gint num_chars_match;
|
|
gchar *completion;
|
|
gchar *completion_end;
|
|
gint completion_length;
|
|
gchar *normalized_prefix;
|
|
|
|
if (! candidates)
|
|
return NULL;
|
|
|
|
normalized_prefix = g_utf8_normalize (prefix, -1, G_NORMALIZE_ALL);
|
|
if (! normalized_prefix)
|
|
return NULL;
|
|
|
|
prefix_length = strlen (normalized_prefix);
|
|
g_free (normalized_prefix);
|
|
|
|
length = g_list_length (candidates);
|
|
if (length < 2)
|
|
{
|
|
candidate_string = pika_tag_get_name (PIKA_TAG (candidates->data));
|
|
return g_strdup (candidate_string + prefix_length);
|
|
}
|
|
|
|
completions = g_malloc (length * sizeof (gchar*));
|
|
candidate_iterator = candidates;
|
|
for (i = 0; i < length; i++)
|
|
{
|
|
candidate_string = pika_tag_get_name (PIKA_TAG (candidate_iterator->data));
|
|
completions[i] = candidate_string + prefix_length;
|
|
candidate_iterator = g_list_next (candidate_iterator);
|
|
}
|
|
|
|
num_chars_match = 0;
|
|
do
|
|
{
|
|
c = g_utf8_get_char (completions[0]);
|
|
if (! c)
|
|
break;
|
|
|
|
for (i = 1; i < length; i++)
|
|
{
|
|
gunichar d = g_utf8_get_char (completions[i]);
|
|
|
|
if (c != d)
|
|
{
|
|
candidate_string = pika_tag_get_name (PIKA_TAG (candidates->data));
|
|
candidate_string += prefix_length;
|
|
completion_end = g_utf8_offset_to_pointer (candidate_string,
|
|
num_chars_match);
|
|
completion_length = completion_end - candidate_string;
|
|
completion = g_malloc (completion_length + 1);
|
|
memcpy (completion, candidate_string, completion_length);
|
|
completion[completion_length] = '\0';
|
|
|
|
g_free (completions);
|
|
|
|
return completion;
|
|
}
|
|
|
|
completions[i] = g_utf8_next_char (completions[i]);
|
|
}
|
|
|
|
completions[0] = g_utf8_next_char (completions[0]);
|
|
num_chars_match++;
|
|
}
|
|
while (c);
|
|
|
|
g_free (completions);
|
|
|
|
candidate_string = pika_tag_get_name (PIKA_TAG (candidates->data));
|
|
|
|
return g_strdup (candidate_string + prefix_length);
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_focus_in (GtkWidget *widget,
|
|
GdkEventFocus *event)
|
|
{
|
|
pika_tag_entry_toggle_desc (PIKA_TAG_ENTRY (widget), FALSE);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_focus_out (GtkWidget *widget,
|
|
GdkEventFocus *event)
|
|
{
|
|
PikaTagEntry *tag_entry = PIKA_TAG_ENTRY (widget);
|
|
|
|
pika_tag_entry_commit_tags (tag_entry);
|
|
if (tag_entry->mode == PIKA_TAG_ENTRY_MODE_ASSIGN)
|
|
{
|
|
pika_tag_entry_assign_tags (PIKA_TAG_ENTRY (widget));
|
|
}
|
|
|
|
pika_tag_entry_add_to_recent (tag_entry,
|
|
gtk_entry_get_text (GTK_ENTRY (widget)),
|
|
TRUE);
|
|
|
|
pika_tag_entry_toggle_desc (tag_entry, TRUE);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_container_changed (PikaContainer *container,
|
|
PikaObject *object,
|
|
PikaTagEntry *tag_entry)
|
|
{
|
|
GList *list;
|
|
|
|
if (! pika_container_have (PIKA_CONTAINER (tag_entry->container),
|
|
object))
|
|
{
|
|
GList *selected_items = NULL;
|
|
|
|
for (list = tag_entry->selected_items; list; list = g_list_next (list))
|
|
{
|
|
if (list->data != object)
|
|
selected_items = g_list_prepend (selected_items, list->data);
|
|
}
|
|
|
|
selected_items = g_list_reverse (selected_items);
|
|
pika_tag_entry_set_selected_items (tag_entry, selected_items);
|
|
g_list_free (selected_items);
|
|
}
|
|
|
|
if (tag_entry->mode == PIKA_TAG_ENTRY_MODE_ASSIGN)
|
|
{
|
|
for (list = tag_entry->selected_items; list; list = g_list_next (list))
|
|
{
|
|
if (pika_tagged_get_tags (PIKA_TAGGED (list->data)) &&
|
|
pika_container_have (PIKA_CONTAINER (tag_entry->container),
|
|
PIKA_OBJECT (list->data)))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (! list)
|
|
{
|
|
tag_entry->internal_operation++;
|
|
gtk_editable_delete_text (GTK_EDITABLE (tag_entry), 0, -1);
|
|
tag_entry->internal_operation--;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_toggle_desc (PikaTagEntry *tag_entry,
|
|
gboolean show)
|
|
{
|
|
GtkWidget *widget = GTK_WIDGET (tag_entry);
|
|
|
|
if (! (show ^ tag_entry->description_shown))
|
|
return;
|
|
|
|
if (show)
|
|
{
|
|
gchar *current_text;
|
|
size_t len;
|
|
|
|
current_text = g_strdup (gtk_entry_get_text (GTK_ENTRY (tag_entry)));
|
|
current_text = g_strstrip (current_text);
|
|
len = strlen (current_text);
|
|
g_free (current_text);
|
|
|
|
if (len > 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
tag_entry->description_shown = TRUE;
|
|
gtk_widget_queue_draw (widget);
|
|
}
|
|
else
|
|
{
|
|
tag_entry->description_shown = FALSE;
|
|
gtk_widget_queue_draw (widget);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_draw (GtkWidget *widget,
|
|
cairo_t *cr)
|
|
{
|
|
PikaTagEntry *tag_entry = PIKA_TAG_ENTRY (widget);
|
|
GtkStyleContext *style = gtk_widget_get_style_context (widget);
|
|
GdkRectangle text_area;
|
|
PangoLayout *layout;
|
|
PangoAttrList *attr_list;
|
|
PangoAttribute *attribute;
|
|
gint layout_width;
|
|
gint layout_height;
|
|
gint offset;
|
|
const char *display_text;
|
|
|
|
if (! PIKA_TAG_ENTRY (widget)->description_shown)
|
|
return FALSE;
|
|
|
|
gtk_entry_get_text_area (GTK_ENTRY (widget), &text_area);
|
|
|
|
if (tag_entry->mode == PIKA_TAG_ENTRY_MODE_QUERY)
|
|
{
|
|
display_text = PIKA_TAG_ENTRY_QUERY_DESC;
|
|
}
|
|
else
|
|
{
|
|
display_text = PIKA_TAG_ENTRY_ASSIGN_DESC;
|
|
}
|
|
|
|
layout = gtk_widget_create_pango_layout (widget, display_text);
|
|
|
|
attr_list = pango_attr_list_new ();
|
|
attribute = pango_attr_style_new (PANGO_STYLE_ITALIC);
|
|
pango_attr_list_insert (attr_list, attribute);
|
|
|
|
pango_layout_set_attributes (layout, attr_list);
|
|
pango_attr_list_unref (attr_list);
|
|
|
|
pango_layout_get_pixel_size (layout, &layout_width, &layout_height);
|
|
offset = (text_area.height - layout_height) / 2;
|
|
|
|
gtk_style_context_save (style);
|
|
|
|
gtk_style_context_set_state (style, GTK_STATE_FLAG_INSENSITIVE);
|
|
|
|
gtk_render_layout (style, cr,
|
|
(gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
|
|
text_area.width - layout_width - offset :
|
|
text_area.x + offset,
|
|
text_area.y + offset,
|
|
layout);
|
|
|
|
gtk_style_context_restore (style);
|
|
|
|
g_object_unref (layout);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_key_press (GtkWidget *widget,
|
|
GdkEventKey *event)
|
|
{
|
|
PikaTagEntry *entry = PIKA_TAG_ENTRY (widget);
|
|
GdkModifierType extend_mask;
|
|
guchar c;
|
|
|
|
extend_mask =
|
|
gtk_widget_get_modifier_mask (widget,
|
|
GDK_MODIFIER_INTENT_EXTEND_SELECTION);
|
|
|
|
c = gdk_keyval_to_unicode (event->keyval);
|
|
if (pika_tag_is_tag_separator (c))
|
|
{
|
|
g_idle_add ((GSourceFunc) pika_tag_entry_commit_source_func, entry);
|
|
return FALSE;
|
|
}
|
|
|
|
switch (event->keyval)
|
|
{
|
|
case GDK_KEY_Tab:
|
|
case GDK_KEY_KP_Tab:
|
|
case GDK_KEY_ISO_Left_Tab:
|
|
/* allow to leave the widget with Ctrl+Tab */
|
|
if (! (event->state & GDK_CONTROL_MASK))
|
|
{
|
|
entry->tab_completion_index++;
|
|
entry->suppress_tag_query++;
|
|
g_idle_add ((GSourceFunc) pika_tag_entry_auto_complete, entry);
|
|
}
|
|
else
|
|
{
|
|
pika_tag_entry_commit_tags (entry);
|
|
g_signal_emit_by_name (widget, "move-focus",
|
|
(event->state & GDK_SHIFT_MASK) ?
|
|
GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD);
|
|
}
|
|
return TRUE;
|
|
|
|
case GDK_KEY_Return:
|
|
pika_tag_entry_commit_tags (entry);
|
|
break;
|
|
|
|
case GDK_KEY_Left:
|
|
pika_tag_entry_previous_tag (entry,
|
|
(event->state & extend_mask) ? TRUE : FALSE);
|
|
return TRUE;
|
|
|
|
case GDK_KEY_Right:
|
|
pika_tag_entry_next_tag (entry,
|
|
(event->state & extend_mask) ? TRUE : FALSE);
|
|
return TRUE;
|
|
|
|
case GDK_KEY_BackSpace:
|
|
{
|
|
gint selection_start;
|
|
gint selection_end;
|
|
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
|
|
&selection_start, &selection_end);
|
|
if (pika_tag_entry_select_jellybean (entry,
|
|
selection_start, selection_end,
|
|
TAG_SEARCH_LEFT))
|
|
{
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
pika_tag_entry_select_for_deletion (entry, TAG_SEARCH_LEFT);
|
|
/* FIXME: need to remove idle handler in dispose */
|
|
g_idle_add ((GSourceFunc) pika_tag_entry_strip_extra_whitespace,
|
|
entry);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GDK_KEY_Delete:
|
|
{
|
|
gint selection_start;
|
|
gint selection_end;
|
|
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
|
|
&selection_start, &selection_end);
|
|
if (pika_tag_entry_select_jellybean (entry,
|
|
selection_start, selection_end,
|
|
TAG_SEARCH_RIGHT))
|
|
{
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
pika_tag_entry_select_for_deletion (entry, TAG_SEARCH_RIGHT);
|
|
/* FIXME: need to remove idle handler in dispose */
|
|
g_idle_add ((GSourceFunc) pika_tag_entry_strip_extra_whitespace,
|
|
entry);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GDK_KEY_Up:
|
|
case GDK_KEY_Down:
|
|
if (entry->recent_list != NULL)
|
|
{
|
|
gchar *recent_item;
|
|
gchar *very_recent_item;
|
|
|
|
very_recent_item = g_strdup (gtk_entry_get_text (GTK_ENTRY (entry)));
|
|
pika_tag_entry_add_to_recent (entry, very_recent_item, TRUE);
|
|
g_free (very_recent_item);
|
|
|
|
if (event->keyval == GDK_KEY_Up)
|
|
{
|
|
recent_item = (gchar *) g_list_first (entry->recent_list)->data;
|
|
entry->recent_list = g_list_remove (entry->recent_list, recent_item);
|
|
entry->recent_list = g_list_append (entry->recent_list, recent_item);
|
|
}
|
|
else
|
|
{
|
|
recent_item = (gchar *) g_list_last (entry->recent_list)->data;
|
|
entry->recent_list = g_list_remove (entry->recent_list, recent_item);
|
|
entry->recent_list = g_list_prepend (entry->recent_list, recent_item);
|
|
}
|
|
|
|
recent_item = (gchar *) g_list_first (entry->recent_list)->data;
|
|
entry->internal_operation++;
|
|
gtk_entry_set_text (GTK_ENTRY (entry), recent_item);
|
|
gtk_editable_set_position (GTK_EDITABLE (entry), -1);
|
|
entry->internal_operation--;
|
|
}
|
|
return TRUE;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_button_release (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
if (event->button == 1)
|
|
{
|
|
/* FIXME: need to remove idle handler in dispose */
|
|
g_idle_add ((GSourceFunc) pika_tag_entry_try_select_jellybean,
|
|
widget);
|
|
}
|
|
|
|
return GTK_WIDGET_CLASS (parent_class)->button_release_event (widget, event);
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_try_select_jellybean (PikaTagEntry *entry)
|
|
{
|
|
gint selection_start;
|
|
gint selection_end;
|
|
gint selection_pos = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
gint char_count = g_utf8_strlen (gtk_entry_get_text (GTK_ENTRY (entry)), -1);
|
|
|
|
if (selection_pos == char_count)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
|
|
&selection_start, &selection_end);
|
|
pika_tag_entry_select_jellybean (entry, selection_start, selection_end,
|
|
TAG_SEARCH_NONE);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_select_jellybean (PikaTagEntry *entry,
|
|
gint selection_start,
|
|
gint selection_end,
|
|
PikaTagSearchDir search_dir)
|
|
{
|
|
gint prev_selection_start;
|
|
gint prev_selection_end;
|
|
|
|
if (! entry->mask->len)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (selection_start >= entry->mask->len)
|
|
{
|
|
selection_start = entry->mask->len - 1;
|
|
selection_end = selection_start;
|
|
}
|
|
|
|
if (entry->mask->str[selection_start] == 'u')
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
switch (search_dir)
|
|
{
|
|
case TAG_SEARCH_NONE:
|
|
if (selection_start > 0 &&
|
|
entry->mask->str[selection_start] == 's')
|
|
{
|
|
selection_start--;
|
|
}
|
|
|
|
if (selection_start > 0 &&
|
|
(entry->mask->str[selection_start - 1] == 'w') &&
|
|
(entry->mask->str[selection_start] == 't'))
|
|
{
|
|
/* between whitespace and tag,
|
|
* should allow to select tag.
|
|
*/
|
|
selection_start--;
|
|
}
|
|
break;
|
|
|
|
case TAG_SEARCH_LEFT:
|
|
if (selection_start == selection_end)
|
|
{
|
|
if (selection_start > 0 &&
|
|
entry->mask->str[selection_start] == 't' &&
|
|
entry->mask->str[selection_start - 1] == 'w')
|
|
{
|
|
selection_start--;
|
|
}
|
|
|
|
if ((entry->mask->str[selection_start] == 'w' ||
|
|
entry->mask->str[selection_start] == 's') &&
|
|
selection_start > 0)
|
|
{
|
|
while ((entry->mask->str[selection_start] == 'w' ||
|
|
entry->mask->str[selection_start] == 's') &&
|
|
selection_start > 0)
|
|
{
|
|
selection_start--;
|
|
}
|
|
|
|
selection_end = selection_start + 1;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TAG_SEARCH_RIGHT:
|
|
if (selection_start == selection_end)
|
|
{
|
|
if ((entry->mask->str[selection_start] == 'w' ||
|
|
entry->mask->str[selection_start] == 's') &&
|
|
selection_start < entry->mask->len - 1)
|
|
{
|
|
while ((entry->mask->str[selection_start] == 'w' ||
|
|
entry->mask->str[selection_start] == 's') &&
|
|
selection_start < entry->mask->len - 1)
|
|
{
|
|
selection_start++;
|
|
}
|
|
|
|
selection_end = selection_start + 1;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (selection_start < entry->mask->len &&
|
|
selection_start == selection_end)
|
|
{
|
|
selection_end = selection_start + 1;
|
|
}
|
|
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
|
|
&prev_selection_start,
|
|
&prev_selection_end);
|
|
|
|
if (entry->mask->str[selection_start] == 't')
|
|
{
|
|
while (selection_start > 0 &&
|
|
(entry->mask->str[selection_start - 1] == 't'))
|
|
{
|
|
selection_start--;
|
|
}
|
|
}
|
|
|
|
if (selection_end > selection_start &&
|
|
(entry->mask->str[selection_end - 1] == 't'))
|
|
{
|
|
while (selection_end <= entry->mask->len &&
|
|
(entry->mask->str[selection_end] == 't'))
|
|
{
|
|
selection_end++;
|
|
}
|
|
}
|
|
|
|
if (search_dir == TAG_SEARCH_NONE &&
|
|
selection_end - selection_start == 1 &&
|
|
entry->mask->str[selection_start] == 'w')
|
|
{
|
|
gtk_editable_set_position (GTK_EDITABLE (entry), selection_end);
|
|
return TRUE;
|
|
}
|
|
|
|
if ((selection_start != prev_selection_start ||
|
|
selection_end != prev_selection_end) &&
|
|
(entry->mask->str[selection_start] == 't') &&
|
|
selection_start < selection_end)
|
|
{
|
|
if (search_dir == TAG_SEARCH_LEFT)
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry),
|
|
selection_end, selection_start);
|
|
}
|
|
else
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry),
|
|
selection_start, selection_end);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_add_to_recent (PikaTagEntry *entry,
|
|
const gchar *tags_string,
|
|
gboolean to_front)
|
|
{
|
|
gchar *recent_item = NULL;
|
|
gchar *stripped_string;
|
|
gint stripped_length;
|
|
GList *list;
|
|
|
|
if (entry->mode == PIKA_TAG_ENTRY_MODE_ASSIGN)
|
|
return FALSE;
|
|
|
|
stripped_string = g_strdup (tags_string);
|
|
stripped_string = g_strstrip (stripped_string);
|
|
stripped_length = strlen (stripped_string);
|
|
g_free (stripped_string);
|
|
|
|
if (stripped_length <= 0)
|
|
{
|
|
/* there is no content in the string,
|
|
* therefore don't add to recent list.
|
|
*/
|
|
return FALSE;
|
|
}
|
|
|
|
if (g_list_length (entry->recent_list) >= PIKA_TAG_ENTRY_MAX_RECENT_ITEMS)
|
|
{
|
|
gchar *last_item = g_list_last (entry->recent_list)->data;
|
|
entry->recent_list = g_list_remove (entry->recent_list, last_item);
|
|
g_free (last_item);
|
|
}
|
|
|
|
for (list = entry->recent_list; list; list = g_list_next (list))
|
|
{
|
|
if (! strcmp (tags_string, list->data))
|
|
{
|
|
recent_item = list->data;
|
|
entry->recent_list = g_list_remove (entry->recent_list, recent_item);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (! recent_item)
|
|
{
|
|
recent_item = g_strdup (tags_string);
|
|
}
|
|
|
|
if (to_front)
|
|
{
|
|
entry->recent_list = g_list_prepend (entry->recent_list, recent_item);
|
|
}
|
|
else
|
|
{
|
|
entry->recent_list = g_list_append (entry->recent_list, recent_item);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* pika_tag_entry_get_separator:
|
|
*
|
|
* Tag separator is a single Unicode terminal punctuation
|
|
* character.
|
|
*
|
|
* Returns: returns locale dependent tag separator.
|
|
**/
|
|
const gchar *
|
|
pika_tag_entry_get_separator (void)
|
|
{
|
|
/* Separator for tags
|
|
* IMPORTANT: use only one of Unicode terminal punctuation chars.
|
|
* http://unicode.org/review/pr-23.html
|
|
*/
|
|
return _(",");
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_commit_region (GString *tags,
|
|
GString *mask)
|
|
{
|
|
gint i = 0;
|
|
gint j;
|
|
gint stage = 0;
|
|
gunichar c;
|
|
gchar *cursor;
|
|
GString *out_tags;
|
|
GString *out_mask;
|
|
GString *tag_buffer;
|
|
|
|
out_tags = g_string_new ("");
|
|
out_mask = g_string_new ("");
|
|
tag_buffer = g_string_new ("");
|
|
|
|
cursor = tags->str;
|
|
for (i = 0; i <= mask->len; i++)
|
|
{
|
|
c = g_utf8_get_char (cursor);
|
|
cursor = g_utf8_next_char (cursor);
|
|
|
|
if (stage == 0)
|
|
{
|
|
/* whitespace before tag */
|
|
if (g_unichar_isspace (c))
|
|
{
|
|
g_string_append_unichar (out_tags, c);
|
|
g_string_append_c (out_mask, 'w');
|
|
}
|
|
else
|
|
{
|
|
stage++;
|
|
}
|
|
}
|
|
|
|
if (stage == 1)
|
|
{
|
|
/* tag */
|
|
if (c && ! pika_tag_is_tag_separator (c))
|
|
{
|
|
g_string_append_unichar (tag_buffer, c);
|
|
}
|
|
else
|
|
{
|
|
gchar *valid_tag = pika_tag_string_make_valid (tag_buffer->str);
|
|
gsize tag_length;
|
|
|
|
if (valid_tag)
|
|
{
|
|
tag_length = g_utf8_strlen (valid_tag, -1);
|
|
g_string_append (out_tags, valid_tag);
|
|
for (j = 0; j < tag_length; j++)
|
|
{
|
|
g_string_append_c (out_mask, 't');
|
|
}
|
|
g_free (valid_tag);
|
|
|
|
if (! c)
|
|
{
|
|
g_string_append (out_tags, pika_tag_entry_get_separator ());
|
|
g_string_append_c (out_mask, 's');
|
|
}
|
|
|
|
stage++;
|
|
}
|
|
else
|
|
{
|
|
stage = 0;
|
|
}
|
|
|
|
g_string_set_size (tag_buffer, 0);
|
|
|
|
}
|
|
}
|
|
|
|
if (stage == 2)
|
|
{
|
|
if (pika_tag_is_tag_separator (c))
|
|
{
|
|
g_string_append_unichar (out_tags, c);
|
|
g_string_append_c (out_mask, 's');
|
|
}
|
|
else
|
|
{
|
|
if (g_unichar_isspace (c))
|
|
{
|
|
g_string_append_unichar (out_tags, c);
|
|
g_string_append_c (out_mask, 'w');
|
|
}
|
|
|
|
stage = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
g_string_assign (tags, out_tags->str);
|
|
g_string_assign (mask, out_mask->str);
|
|
|
|
g_string_free (tag_buffer, TRUE);
|
|
g_string_free (out_tags, TRUE);
|
|
g_string_free (out_mask, TRUE);
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_commit_tags (PikaTagEntry *entry)
|
|
{
|
|
gboolean found_region;
|
|
gint cursor_position;
|
|
|
|
cursor_position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
|
|
do
|
|
{
|
|
gint region_start;
|
|
gint region_end;
|
|
gint position;
|
|
glong length_before;
|
|
gint i;
|
|
|
|
found_region = FALSE;
|
|
|
|
for (i = 0; i < entry->mask->len; i++)
|
|
{
|
|
if (entry->mask->str[i] == 'u')
|
|
{
|
|
found_region = TRUE;
|
|
region_start = i;
|
|
region_end = i + 1;
|
|
for (i++; i < entry->mask->len; i++)
|
|
{
|
|
if (entry->mask->str[i] == 'u')
|
|
{
|
|
region_end = i + 1;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (found_region)
|
|
{
|
|
gchar *tags_string;
|
|
GString *tags;
|
|
GString *mask;
|
|
|
|
tags_string = gtk_editable_get_chars (GTK_EDITABLE (entry),
|
|
region_start, region_end);
|
|
tags = g_string_new (tags_string);
|
|
g_free (tags_string);
|
|
length_before = region_end - region_start;
|
|
|
|
mask = g_string_new_len (entry->mask->str + region_start, region_end - region_start);
|
|
|
|
pika_tag_entry_commit_region (tags, mask);
|
|
|
|
/* prepend space before if needed */
|
|
if (region_start > 0
|
|
&& entry->mask->str[region_start - 1] != 'w'
|
|
&& mask->len > 0
|
|
&& mask->str[0] != 'w')
|
|
{
|
|
g_string_prepend_c (tags, ' ');
|
|
g_string_prepend_c (mask, 'w');
|
|
}
|
|
|
|
/* append space after if needed */
|
|
if (region_end <= entry->mask->len
|
|
&& entry->mask->str[region_end] != 'w'
|
|
&& mask->len > 0
|
|
&& mask->str[mask->len - 1] != 'w')
|
|
{
|
|
g_string_append_c (tags, ' ');
|
|
g_string_append_c (mask, 'w');
|
|
}
|
|
|
|
if (cursor_position >= region_start)
|
|
{
|
|
cursor_position += g_utf8_strlen (tags->str, tags->len) - length_before;
|
|
}
|
|
|
|
entry->internal_operation++;
|
|
entry->suppress_mask_update++;
|
|
entry->suppress_tag_query++;
|
|
gtk_editable_delete_text (GTK_EDITABLE (entry),
|
|
region_start, region_end);
|
|
position = region_start;
|
|
gtk_editable_insert_text (GTK_EDITABLE (entry),
|
|
tags->str, tags->len, &position);
|
|
entry->suppress_tag_query--;
|
|
entry->suppress_mask_update--;
|
|
entry->internal_operation--;
|
|
|
|
g_string_erase (entry->mask, region_start, region_end - region_start);
|
|
g_string_insert_len (entry->mask, region_start, mask->str, mask->len);
|
|
|
|
g_string_free (mask, TRUE);
|
|
g_string_free (tags, TRUE);
|
|
}
|
|
}
|
|
while (found_region);
|
|
|
|
gtk_editable_set_position (GTK_EDITABLE (entry), cursor_position);
|
|
pika_tag_entry_strip_extra_whitespace (entry);
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_commit_source_func (PikaTagEntry *entry)
|
|
{
|
|
pika_tag_entry_commit_tags (entry);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_next_tag (PikaTagEntry *entry,
|
|
gboolean select)
|
|
{
|
|
gint position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
|
|
if (entry->mask->str[position] != 'u')
|
|
{
|
|
while (position < entry->mask->len &&
|
|
(entry->mask->str[position] != 'w'))
|
|
{
|
|
position++;
|
|
}
|
|
|
|
if (entry->mask->str[position] == 'w')
|
|
{
|
|
position++;
|
|
}
|
|
}
|
|
else if (position < entry->mask->len)
|
|
{
|
|
position++;
|
|
}
|
|
|
|
if (select)
|
|
{
|
|
gint current_position;
|
|
gint selection_start;
|
|
gint selection_end;
|
|
|
|
current_position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
|
|
&selection_start, &selection_end);
|
|
|
|
if (current_position == selection_end)
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry),
|
|
selection_start, position);
|
|
}
|
|
else if (current_position == selection_start)
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry),
|
|
selection_end, position);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
gtk_editable_set_position (GTK_EDITABLE (entry), position);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_previous_tag (PikaTagEntry *entry,
|
|
gboolean select)
|
|
{
|
|
gint position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
|
|
if (position >= 1 &&
|
|
entry->mask->str[position - 1] == 'w')
|
|
{
|
|
position--;
|
|
}
|
|
if (position < 1)
|
|
{
|
|
return;
|
|
}
|
|
if (entry->mask->str[position - 1] != 'u')
|
|
{
|
|
while (position > 0 &&
|
|
(entry->mask->str[position - 1] != 'w'))
|
|
{
|
|
if (entry->mask->str[position - 1] == 'u')
|
|
{
|
|
break;
|
|
}
|
|
|
|
position--;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
position--;
|
|
}
|
|
|
|
if (select)
|
|
{
|
|
gint current_position;
|
|
gint selection_start;
|
|
gint selection_end;
|
|
|
|
current_position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
|
|
&selection_start, &selection_end);
|
|
|
|
if (current_position == selection_start)
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry),
|
|
selection_end, position);
|
|
}
|
|
else if (current_position == selection_end)
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry),
|
|
selection_start, position);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
gtk_editable_set_position (GTK_EDITABLE (entry), position);
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_tag_entry_select_for_deletion (PikaTagEntry *entry,
|
|
PikaTagSearchDir search_dir)
|
|
{
|
|
gint start_pos;
|
|
gint end_pos;
|
|
|
|
/* make sure the whole tag is selected,
|
|
* including a separator
|
|
*/
|
|
gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
|
|
&start_pos, &end_pos);
|
|
while (start_pos > 0 &&
|
|
(entry->mask->str[start_pos - 1] == 't'))
|
|
{
|
|
start_pos--;
|
|
}
|
|
|
|
if (end_pos > start_pos &&
|
|
(entry->mask->str[end_pos - 1] == 't' ||
|
|
entry->mask->str[end_pos - 1] == 's'))
|
|
{
|
|
while (end_pos <= entry->mask->len &&
|
|
(entry->mask->str[end_pos] == 's'))
|
|
{
|
|
end_pos++;
|
|
}
|
|
}
|
|
|
|
/* ensure there is no unnecessary whitespace selected */
|
|
while (start_pos < end_pos &&
|
|
entry->mask->str[start_pos] == 'w')
|
|
{
|
|
start_pos++;
|
|
}
|
|
|
|
while (start_pos < end_pos &&
|
|
entry->mask->str[end_pos - 1] == 'w')
|
|
{
|
|
end_pos--;
|
|
}
|
|
|
|
/* delete spaces in one side */
|
|
if (search_dir == TAG_SEARCH_LEFT)
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry), end_pos, start_pos);
|
|
}
|
|
else if (end_pos > start_pos &&
|
|
search_dir == TAG_SEARCH_RIGHT &&
|
|
(entry->mask->str[end_pos - 1] == 't' ||
|
|
entry->mask->str[end_pos - 1] == 's'))
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry), start_pos, end_pos);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
pika_tag_entry_strip_extra_whitespace (PikaTagEntry *entry)
|
|
{
|
|
gint i;
|
|
gint position;
|
|
|
|
position = gtk_editable_get_position (GTK_EDITABLE (entry));
|
|
|
|
entry->internal_operation++;
|
|
entry->suppress_tag_query++;
|
|
|
|
/* strip whitespace in front */
|
|
while (entry->mask->len > 0 &&
|
|
entry->mask->str[0] == 'w')
|
|
{
|
|
gtk_editable_delete_text (GTK_EDITABLE (entry), 0, 1);
|
|
}
|
|
|
|
/* strip whitespace in back */
|
|
while (entry->mask->len > 1 &&
|
|
entry->mask->str[entry->mask->len - 1] == 'w' &&
|
|
entry->mask->str[entry->mask->len - 2] == 'w')
|
|
{
|
|
gtk_editable_delete_text (GTK_EDITABLE (entry),
|
|
entry->mask->len - 1, entry->mask->len);
|
|
|
|
if (position == entry->mask->len)
|
|
{
|
|
position--;
|
|
}
|
|
}
|
|
|
|
/* strip extra whitespace in the middle */
|
|
for (i = entry->mask->len - 1; i > 0; i--)
|
|
{
|
|
if (entry->mask->str[i] == 'w' &&
|
|
entry->mask->str[i - 1] == 'w')
|
|
{
|
|
gtk_editable_delete_text (GTK_EDITABLE (entry), i, i + 1);
|
|
|
|
if (position >= i)
|
|
{
|
|
position--;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* special case when cursor is in the last position:
|
|
* it must be positioned after the last whitespace.
|
|
*/
|
|
if (position == entry->mask->len - 1 &&
|
|
entry->mask->str[position] == 'w')
|
|
{
|
|
position++;
|
|
}
|
|
|
|
gtk_editable_set_position (GTK_EDITABLE (entry), position);
|
|
|
|
entry->suppress_tag_query--;
|
|
entry->internal_operation--;
|
|
|
|
return FALSE;
|
|
}
|
