/* * Copyright © 2005 Paolo Maggi * Copyright © 2010 Red Hat (Red Hat author: Behdad Esfahbod) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "config.h" #include <string.h> #include "terminal-search-dialog.h" #include "terminal-util.h" #define HISTORY_MIN_ITEM_LEN 3 #define HISTORY_LENGTH 10 static GQuark get_quark (void) { static GQuark quark = 0; if (G_UNLIKELY (!quark)) quark = g_quark_from_static_string ("GT:data"); return quark; } #define TERMINAL_SEARCH_DIALOG_GET_PRIVATE(object) \ ((TerminalSearchDialogPrivate *) g_object_get_qdata (G_OBJECT (object), get_quark ())) #define GET_FLAG(widget) gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (priv->widget)) typedef struct _TerminalSearchDialogPrivate { GtkWidget *search_label; GtkWidget *search_entry; GtkWidget *search_text_entry; GtkWidget *match_case_checkbutton; GtkWidget *entire_word_checkbutton; GtkWidget *regex_checkbutton; GtkWidget *backwards_checkbutton; GtkWidget *wrap_around_checkbutton; GtkListStore *store; GtkEntryCompletion *completion; /* Cached regex */ GRegex *regex; GRegexCompileFlags regex_compile_flags; } TerminalSearchDialogPrivate; static void update_sensitivity (void *unused, GtkWidget *dialog); static void response_handler (GtkWidget *dialog, gint response_id, gpointer data); static void terminal_search_dialog_private_destroy (TerminalSearchDialogPrivate *priv); GtkWidget * terminal_search_dialog_new (GtkWindow *parent) { GtkWidget *dialog; TerminalSearchDialogPrivate *priv; GtkListStore *store; GtkEntryCompletion *completion; priv = g_new0 (TerminalSearchDialogPrivate, 1); if (!terminal_util_load_builder_file ("find-dialog.ui", "find-dialog", &dialog, "search-label", &priv->search_label, "search-entry", &priv->search_entry, "match-case-checkbutton", &priv->match_case_checkbutton, "entire-word-checkbutton", &priv->entire_word_checkbutton, "regex-checkbutton", &priv->regex_checkbutton, "search-backwards-checkbutton", &priv->backwards_checkbutton, "wrap-around-checkbutton", &priv->wrap_around_checkbutton, NULL)) { g_free (priv); return NULL; } g_object_set_qdata_full (G_OBJECT (dialog), get_quark (), priv, (GDestroyNotify) terminal_search_dialog_private_destroy); priv->search_text_entry = gtk_bin_get_child (GTK_BIN (priv->search_entry)); gtk_widget_set_size_request (priv->search_entry, 300, -1); priv->store = store = gtk_list_store_new (1, G_TYPE_STRING); g_object_set (G_OBJECT (priv->search_entry), "model", store, "entry-text-column", 0, NULL); priv->completion = completion = gtk_entry_completion_new (); gtk_entry_completion_set_model (completion, GTK_TREE_MODEL (store)); gtk_entry_completion_set_text_column (completion, 0); gtk_entry_completion_set_minimum_key_length (completion, HISTORY_MIN_ITEM_LEN); gtk_entry_completion_set_popup_completion (completion, FALSE); gtk_entry_completion_set_inline_completion (completion, TRUE); gtk_entry_set_completion (GTK_ENTRY (priv->search_text_entry), completion); gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT); gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT, FALSE); gtk_entry_set_activates_default (GTK_ENTRY (priv->search_text_entry), TRUE); g_signal_connect (priv->search_text_entry, "changed", G_CALLBACK (update_sensitivity), dialog); g_signal_connect (priv->regex_checkbutton, "toggled", G_CALLBACK (update_sensitivity), dialog); g_signal_connect (dialog, "response", G_CALLBACK (response_handler), NULL); if (parent) gtk_window_set_transient_for (GTK_WINDOW (dialog), parent); return GTK_WIDGET (dialog); } void terminal_search_dialog_present (GtkWidget *dialog) { TerminalSearchDialogPrivate *priv; g_return_if_fail (GTK_IS_DIALOG (dialog)); priv = TERMINAL_SEARCH_DIALOG_GET_PRIVATE (dialog); g_return_if_fail (priv); gtk_window_present (GTK_WINDOW (dialog)); gtk_widget_grab_focus (priv->search_text_entry); } static void terminal_search_dialog_private_destroy (TerminalSearchDialogPrivate *priv) { if (priv->regex) g_regex_unref (priv->regex); g_object_unref (priv->store); g_object_unref (priv->completion); g_free (priv); } static void update_sensitivity (void *unused, GtkWidget *dialog) { TerminalSearchDialogPrivate *priv = TERMINAL_SEARCH_DIALOG_GET_PRIVATE (dialog); const gchar *search_string; gboolean valid; if (priv->regex) { g_regex_unref (priv->regex); priv->regex = NULL; } search_string = gtk_entry_get_text (GTK_ENTRY (priv->search_text_entry)); g_return_if_fail (search_string != NULL); valid = *search_string != '\0'; if (valid && GET_FLAG (regex_checkbutton)) { /* Check that the regex is valid */ valid = NULL != terminal_search_dialog_get_regex (dialog); /* TODO show the error message somewhere */ } gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT, valid); } static gboolean remove_item (GtkListStore *store, const gchar *text) { GtkTreeIter iter; g_return_val_if_fail (text != NULL, FALSE); if (!gtk_tree_model_get_iter_first (GTK_TREE_MODEL (store), &iter)) return FALSE; do { gchar *item_text; gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, 0, &item_text, -1); if (item_text != NULL && strcmp (item_text, text) == 0) { gtk_list_store_remove (store, &iter); g_free (item_text); return TRUE; } g_free (item_text); } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter)); return FALSE; } static void clamp_list_store (GtkListStore *store, guint max) { GtkTreePath *path; GtkTreeIter iter; /* -1 because TreePath counts from 0 */ path = gtk_tree_path_new_from_indices (max - 1, -1); if (gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path)) while (1) if (!gtk_list_store_remove (store, &iter)) break; gtk_tree_path_free (path); } static void history_entry_insert (GtkListStore *store, const gchar *text) { GtkTreeIter iter; g_return_if_fail (text != NULL); if (g_utf8_strlen (text, -1) <= HISTORY_MIN_ITEM_LEN) return; /* remove the text from the store if it was already * present. If it wasn't, clamp to max history - 1 * before inserting the new row, otherwise appending * would not work */ if (!remove_item (store, text)) clamp_list_store (store, HISTORY_LENGTH - 1); gtk_list_store_insert (store, &iter, 0); gtk_list_store_set (store, &iter, 0, text, -1); } static void response_handler (GtkWidget *dialog, gint response_id, gpointer data) { TerminalSearchDialogPrivate *priv; const gchar *str; if (response_id != GTK_RESPONSE_ACCEPT) { gtk_widget_hide (dialog); return; } priv = TERMINAL_SEARCH_DIALOG_GET_PRIVATE (dialog); str = gtk_entry_get_text (GTK_ENTRY (priv->search_text_entry)); if (*str != '\0') history_entry_insert (priv->store, str); } void terminal_search_dialog_set_search_text (GtkWidget *dialog, const gchar *text) { TerminalSearchDialogPrivate *priv; g_return_if_fail (GTK_IS_DIALOG (dialog)); g_return_if_fail (text != NULL); priv = TERMINAL_SEARCH_DIALOG_GET_PRIVATE (dialog); g_return_if_fail (priv); gtk_entry_set_text (GTK_ENTRY (priv->search_text_entry), text); gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT, (*text != '\0')); } const gchar * terminal_search_dialog_get_search_text (GtkWidget *dialog) { TerminalSearchDialogPrivate *priv; g_return_val_if_fail (GTK_IS_DIALOG (dialog), NULL); priv = TERMINAL_SEARCH_DIALOG_GET_PRIVATE (dialog); g_return_val_if_fail (priv, NULL); return gtk_entry_get_text (GTK_ENTRY (priv->search_text_entry)); } TerminalSearchFlags terminal_search_dialog_get_search_flags (GtkWidget *dialog) { TerminalSearchDialogPrivate *priv; TerminalSearchFlags flags = 0; g_return_val_if_fail (GTK_IS_DIALOG (dialog), flags); priv = TERMINAL_SEARCH_DIALOG_GET_PRIVATE (dialog); g_return_val_if_fail (priv, flags); if (GET_FLAG (backwards_checkbutton)) flags |= TERMINAL_SEARCH_FLAG_BACKWARDS; if (GET_FLAG (wrap_around_checkbutton)) flags |= TERMINAL_SEARCH_FLAG_WRAP_AROUND; return flags; } GRegex * terminal_search_dialog_get_regex (GtkWidget *dialog) { TerminalSearchDialogPrivate *priv; GRegexCompileFlags compile_flags; const char *text, *pattern; g_return_val_if_fail (GTK_IS_DIALOG (dialog), NULL); priv = TERMINAL_SEARCH_DIALOG_GET_PRIVATE (dialog); g_return_val_if_fail (priv, NULL); pattern = text = terminal_search_dialog_get_search_text (dialog); compile_flags = G_REGEX_OPTIMIZE; if (!GET_FLAG (match_case_checkbutton)) compile_flags |= G_REGEX_CASELESS; if (GET_FLAG (regex_checkbutton)) compile_flags |= G_REGEX_MULTILINE; else pattern = g_regex_escape_string (text, -1); if (GET_FLAG (entire_word_checkbutton)) { const char *old_pattern = pattern; pattern = g_strdup_printf ("\\b%s\\b", pattern); if (old_pattern != text) g_free ((char *) old_pattern); } if (!priv->regex || priv->regex_compile_flags != compile_flags) { priv->regex_compile_flags = compile_flags; if (priv->regex) g_regex_unref (priv->regex); /* TODO Error handling */ priv->regex = g_regex_new (pattern, compile_flags, 0, NULL); } if (pattern != text) g_free ((char *) pattern); return priv->regex; }