625 lines
19 KiB
C
625 lines
19 KiB
C
/*
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* moohistorycombo.c
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*
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* Copyright (C) 2004-2007 by Yevgen Muntyan <muntyan@math.tamu.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* See COPYING file that comes with this distribution.
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*/
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#include "mooutils/moomarshals.h"
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#include "mooutils/moohistorycombo.h"
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#include "mooutils/mooutils-misc.h"
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#include <string.h>
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struct _MooHistoryComboPrivate {
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gboolean enable_completion;
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gboolean called_popup;
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guint completion_popup_timeout_id;
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guint completion_popup_timeout;
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MooHistoryList *list;
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GtkTreeModel *model;
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GtkTreeModel *filter;
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char *completion_text;
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MooHistoryComboFilterFunc filter_func;
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gpointer filter_data;
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gboolean disable_filter;
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gboolean sort_history;
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gboolean sort_completion;
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};
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static void moo_history_combo_finalize (GObject *object);
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static void moo_history_combo_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void moo_history_combo_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void moo_history_combo_popup (MooCombo *combo);
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static void moo_history_combo_changed (MooCombo *combo);
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static gboolean completion_visible_func (GtkTreeModel *model,
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GtkTreeIter *iter,
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MooHistoryCombo *combo);
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static gboolean default_filter_func (const char *text,
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GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data);
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static int default_sort_func (GtkTreeModel *model,
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GtkTreeIter *a,
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GtkTreeIter *b);
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static void cell_data_func (GtkCellLayout *cell_layout,
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GtkCellRenderer *cell,
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GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean row_separator_func (GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data);
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static char *get_text_func (GtkTreeModel *model,
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GtkTreeIter *iter,
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gpointer data);
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/* MOO_TYPE_HISTORY_COMBO */
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G_DEFINE_TYPE (MooHistoryCombo, moo_history_combo, MOO_TYPE_COMBO)
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enum {
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PROP_0,
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PROP_LIST,
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PROP_SORT_HISTORY,
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PROP_SORT_COMPLETION,
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PROP_HISTORY_LIST_ID,
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PROP_ENABLE_COMPLETION
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};
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static void
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moo_history_combo_class_init (MooHistoryComboClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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MooComboClass *combo_class = MOO_COMBO_CLASS (klass);
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moo_history_combo_parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = moo_history_combo_finalize;
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gobject_class->set_property = moo_history_combo_set_property;
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gobject_class->get_property = moo_history_combo_get_property;
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combo_class->popup = moo_history_combo_popup;
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combo_class->changed = moo_history_combo_changed;
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g_object_class_install_property (gobject_class,
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PROP_LIST,
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g_param_spec_object ("list",
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"list",
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"list",
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MOO_TYPE_HISTORY_LIST,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_SORT_HISTORY,
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g_param_spec_boolean ("sort-history",
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"sort-history",
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"sort-history",
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TRUE,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_SORT_COMPLETION,
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g_param_spec_boolean ("sort-completion",
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"sort-completion",
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"sort-completion",
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FALSE,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_ENABLE_COMPLETION,
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g_param_spec_boolean ("enable-completion",
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"enable-completion",
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"enable-completion",
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TRUE,
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G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_HISTORY_LIST_ID,
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g_param_spec_string ("history-list-id",
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"history-list-id",
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"history-list-id",
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NULL,
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G_PARAM_WRITABLE));
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}
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static void
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moo_history_combo_init (MooHistoryCombo *combo)
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{
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GtkCellRenderer *cell;
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combo->priv = g_new0 (MooHistoryComboPrivate, 1);
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combo->priv->filter_func = default_filter_func;
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combo->priv->filter_data = combo;
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combo->priv->completion_text = g_strdup ("");
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combo->priv->enable_completion = TRUE;
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gtk_cell_layout_clear (GTK_CELL_LAYOUT (combo));
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cell = gtk_cell_renderer_text_new ();
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g_object_set (cell, "single-paragraph-mode", TRUE, NULL);
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gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, TRUE);
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gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo), cell,
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(GtkCellLayoutDataFunc) cell_data_func,
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combo, NULL);
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combo->priv->list = moo_history_list_new (NULL);
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combo->priv->model = gtk_tree_model_sort_new_with_model (moo_history_list_get_model (combo->priv->list));
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combo->priv->filter = gtk_tree_model_filter_new (combo->priv->model, NULL);
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gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (combo->priv->filter),
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(GtkTreeModelFilterVisibleFunc) completion_visible_func,
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combo, NULL);
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moo_combo_set_model (MOO_COMBO (combo), combo->priv->filter);
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moo_combo_set_row_separator_func (MOO_COMBO (combo), row_separator_func, NULL);
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moo_combo_set_get_text_func (MOO_COMBO (combo), get_text_func, NULL);
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}
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static void
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set_history_list_id (MooHistoryCombo *combo,
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const char *id)
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{
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if (id)
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{
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MooHistoryList *list = moo_history_list_new (id);
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moo_history_combo_set_list (combo, list);
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g_object_unref (list);
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}
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}
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static void
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moo_history_combo_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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MooHistoryCombo *combo = MOO_HISTORY_COMBO (object);
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switch (prop_id)
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{
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case PROP_LIST:
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moo_history_combo_set_list (combo, g_value_get_object (value));
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break;
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case PROP_SORT_HISTORY:
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combo->priv->sort_history = g_value_get_boolean (value);
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g_object_notify (object, "sort-history");
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break;
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case PROP_SORT_COMPLETION:
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combo->priv->sort_completion = g_value_get_boolean (value);
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g_object_notify (object, "sort-completion");
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break;
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case PROP_ENABLE_COMPLETION:
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combo->priv->enable_completion = g_value_get_boolean (value);
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g_object_notify (object, "enable-completion");
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break;
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case PROP_HISTORY_LIST_ID:
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set_history_list_id (combo, g_value_get_string (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_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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moo_history_combo_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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MooHistoryCombo *combo = MOO_HISTORY_COMBO (object);
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switch (prop_id)
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{
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case PROP_LIST:
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g_value_set_object (value, combo->priv->list);
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break;
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case PROP_SORT_HISTORY:
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g_value_set_boolean (value, combo->priv->sort_history);
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break;
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case PROP_SORT_COMPLETION:
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g_value_set_boolean (value, combo->priv->sort_completion);
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break;
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case PROP_ENABLE_COMPLETION:
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g_value_set_boolean (value, combo->priv->enable_completion);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_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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moo_history_combo_finalize (GObject *object)
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{
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MooHistoryCombo *combo = MOO_HISTORY_COMBO (object);
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g_free (combo->priv->completion_text);
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if (combo->priv->filter)
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g_object_unref (combo->priv->filter);
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g_object_unref (combo->priv->list);
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g_free (combo->priv);
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G_OBJECT_CLASS (moo_history_combo_parent_class)->finalize (object);
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}
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static gboolean
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model_is_empty (GtkTreeModel *model)
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{
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GtkTreeIter iter;
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return !gtk_tree_model_get_iter_first (model, &iter);
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}
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static void
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get_entry_text (MooHistoryCombo *combo)
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{
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g_free (combo->priv->completion_text);
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combo->priv->completion_text = g_strdup (moo_combo_entry_get_text (MOO_COMBO (combo)));
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}
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static void
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moo_history_combo_popup (MooCombo *combo)
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{
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MooHistoryCombo *entry = MOO_HISTORY_COMBO (combo);
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gboolean do_sort = FALSE;
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if (!entry->priv->called_popup)
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{
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entry->priv->disable_filter = TRUE;
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if (entry->priv->sort_history)
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do_sort = TRUE;
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}
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else
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{
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entry->priv->completion_popup_timeout_id = 0;
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entry->priv->disable_filter = FALSE;
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entry->priv->called_popup = FALSE;
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if (entry->priv->sort_completion)
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do_sort = TRUE;
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if (moo_combo_popup_shown (MOO_COMBO (entry)))
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return;
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if (!entry->priv->filter)
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return;
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get_entry_text (entry);
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}
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if (do_sort)
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gtk_tree_sortable_set_default_sort_func (GTK_TREE_SORTABLE (entry->priv->model),
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(GtkTreeIterCompareFunc) default_sort_func,
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NULL, NULL);
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else
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gtk_tree_model_sort_reset_default_sort_func (GTK_TREE_MODEL_SORT (entry->priv->model));
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gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (entry->priv->filter));
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entry->priv->disable_filter = FALSE;
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MOO_COMBO_CLASS(moo_history_combo_parent_class)->popup (combo);
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}
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static int
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default_sort_func (GtkTreeModel *model,
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GtkTreeIter *a,
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GtkTreeIter *b)
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{
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MooHistoryItem *e1 = NULL, *e2 = NULL;
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int result;
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/* XXX 0 is not good */
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gtk_tree_model_get (model, a, 0, &e1, -1);
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gtk_tree_model_get (model, b, 0, &e2, -1);
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if (!e1 && !e2)
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result = 0;
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else if (!e1)
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result = e2->builtin ? 1 : -1;
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else if (!e2)
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result = e1->builtin ? -1 : 1;
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else if (e1->builtin != e2->builtin)
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result = e1->builtin ? -1 : 1;
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else
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result = strcmp (e1->data, e2->data);
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moo_history_item_free (e1);
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moo_history_item_free (e2);
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return result;
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}
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static void
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refilter (MooHistoryCombo *combo)
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{
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get_entry_text (combo);
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gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (combo->priv->filter));
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if (model_is_empty (combo->priv->filter))
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moo_combo_popdown (MOO_COMBO (combo));
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else
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moo_combo_update_popup (MOO_COMBO (combo));
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}
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static gboolean
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popup (MooHistoryCombo *combo)
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{
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combo->priv->called_popup = TRUE;
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moo_combo_popup (MOO_COMBO (combo));
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return FALSE;
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}
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static void
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moo_history_combo_changed (MooCombo *combo)
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{
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MooHistoryCombo *hist_combo = MOO_HISTORY_COMBO (combo);
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if (!GTK_WIDGET_MAPPED (combo))
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return;
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if (!hist_combo->priv->enable_completion &&
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!moo_combo_popup_shown (combo))
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return;
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get_entry_text (hist_combo);
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if (!hist_combo->priv->completion_text[0] ||
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moo_combo_get_active_iter (combo, NULL))
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{
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if (hist_combo->priv->completion_popup_timeout_id)
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g_source_remove (hist_combo->priv->completion_popup_timeout_id);
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moo_combo_popdown (combo);
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}
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else if (moo_combo_popup_shown (combo))
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{
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refilter (hist_combo);
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}
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else if (hist_combo->priv->completion_popup_timeout)
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{
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if (hist_combo->priv->completion_popup_timeout_id)
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g_source_remove (hist_combo->priv->completion_popup_timeout_id);
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hist_combo->priv->completion_popup_timeout_id =
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_moo_timeout_add (hist_combo->priv->completion_popup_timeout,
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(GSourceFunc) popup,
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combo);
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}
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else
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{
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popup (hist_combo);
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}
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}
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static gboolean
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completion_visible_func (GtkTreeModel *model,
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GtkTreeIter *iter,
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MooHistoryCombo *combo)
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{
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if (combo->priv->disable_filter)
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return TRUE;
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else
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return combo->priv->filter_func (combo->priv->completion_text,
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model, iter, combo->priv->filter_data);
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}
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static gboolean
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default_filter_func (const char *entry_text,
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GtkTreeModel *model,
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GtkTreeIter *iter,
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G_GNUC_UNUSED gpointer data)
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{
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gboolean visible;
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MooHistoryItem *e = NULL;
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gtk_tree_model_get (model, iter, 0, &e, -1);
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if (entry_text[0])
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{
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if (!e)
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visible = FALSE;
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else
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visible = !strncmp (entry_text, e->data, strlen (entry_text));
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}
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else
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{
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visible = TRUE;
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}
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moo_history_item_free (e);
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return visible ? TRUE : FALSE;
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}
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GtkWidget*
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moo_history_combo_new (const char *user_id)
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{
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MooHistoryCombo *combo;
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combo = g_object_new (MOO_TYPE_HISTORY_COMBO, NULL);
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if (user_id)
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{
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MooHistoryList *list = moo_history_list_new (user_id);
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moo_history_combo_set_list (combo, list);
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g_object_unref (list);
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}
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return GTK_WIDGET (combo);
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}
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void
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moo_history_combo_add_text (MooHistoryCombo *combo,
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const char *text)
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{
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g_return_if_fail (MOO_IS_HISTORY_COMBO (combo));
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g_return_if_fail (text != NULL);
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moo_history_list_add (combo->priv->list, text);
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}
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void
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moo_history_combo_commit (MooHistoryCombo *combo)
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{
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GtkTreeIter iter;
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const char *text;
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MooHistoryItem *freeme = NULL;
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g_return_if_fail (MOO_IS_HISTORY_COMBO (combo));
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text = moo_combo_entry_get_text (MOO_COMBO (combo));
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if (!text || !*text)
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return;
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if (moo_history_list_find (combo->priv->list, text, &iter))
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{
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freeme = moo_history_list_get_item (combo->priv->list, &iter);
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text = freeme->data;
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}
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moo_history_combo_add_text (combo, text);
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if (freeme)
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moo_history_item_free (freeme);
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}
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void
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moo_history_combo_set_list (MooHistoryCombo *combo,
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MooHistoryList *list)
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{
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g_return_if_fail (MOO_IS_HISTORY_COMBO (combo));
|
|
g_return_if_fail (!list || MOO_IS_HISTORY_LIST (list));
|
|
|
|
if (combo->priv->list == list)
|
|
return;
|
|
|
|
if (!list)
|
|
{
|
|
list = moo_history_list_new (NULL);
|
|
moo_history_combo_set_list (combo, list);
|
|
g_object_unref (list);
|
|
return;
|
|
}
|
|
|
|
g_object_unref (combo->priv->list);
|
|
moo_combo_set_model (MOO_COMBO (combo), NULL);
|
|
g_object_unref (combo->priv->filter);
|
|
|
|
combo->priv->list = list;
|
|
g_object_ref (combo->priv->list);
|
|
combo->priv->model = gtk_tree_model_sort_new_with_model (moo_history_list_get_model (combo->priv->list));
|
|
combo->priv->filter = gtk_tree_model_filter_new (combo->priv->model, NULL);
|
|
gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (combo->priv->filter),
|
|
(GtkTreeModelFilterVisibleFunc) completion_visible_func,
|
|
combo, NULL);
|
|
moo_combo_set_model (MOO_COMBO (combo), combo->priv->filter);
|
|
|
|
_moo_history_list_load (list);
|
|
|
|
g_object_notify (G_OBJECT (combo), "list");
|
|
}
|
|
|
|
|
|
MooHistoryList*
|
|
moo_history_combo_get_list (MooHistoryCombo *combo)
|
|
{
|
|
g_return_val_if_fail (MOO_IS_HISTORY_COMBO (combo), NULL);
|
|
return combo->priv->list;
|
|
}
|
|
|
|
|
|
static void
|
|
cell_data_func (G_GNUC_UNUSED GtkCellLayout *cell_layout,
|
|
GtkCellRenderer *cell,
|
|
GtkTreeModel *model,
|
|
GtkTreeIter *iter)
|
|
{
|
|
MooHistoryItem *e = NULL;
|
|
|
|
gtk_tree_model_get (model, iter, 0, &e, -1);
|
|
|
|
if (e)
|
|
{
|
|
g_object_set (cell, "text", e->display, NULL);
|
|
moo_history_item_free (e);
|
|
}
|
|
}
|
|
|
|
|
|
static gboolean
|
|
row_separator_func (GtkTreeModel *model,
|
|
GtkTreeIter *iter,
|
|
G_GNUC_UNUSED gpointer data)
|
|
{
|
|
gboolean separator;
|
|
MooHistoryItem *item = NULL;
|
|
gtk_tree_model_get (model, iter, 0, &item, -1);
|
|
separator = item == NULL;
|
|
moo_history_item_free (item);
|
|
return separator;
|
|
}
|
|
|
|
|
|
static char*
|
|
get_text_func (GtkTreeModel *model,
|
|
GtkTreeIter *iter,
|
|
G_GNUC_UNUSED gpointer data)
|
|
{
|
|
MooHistoryItem *e = NULL;
|
|
char *text;
|
|
|
|
gtk_tree_model_get (model, iter, 0, &e, -1);
|
|
|
|
g_return_val_if_fail (e != NULL, NULL);
|
|
g_return_val_if_fail (g_utf8_validate (e->data, -1, NULL), NULL);
|
|
|
|
text = g_strdup (e->data);
|
|
moo_history_item_free (e);
|
|
return text;
|
|
}
|