diff options
Diffstat (limited to 'libslab/search-bar.c')
| -rw-r--r-- | libslab/search-bar.c | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/libslab/search-bar.c b/libslab/search-bar.c new file mode 100644 index 00000000..8e3f465b --- /dev/null +++ b/libslab/search-bar.c @@ -0,0 +1,361 @@ +/* + * This file is part of libslab. + * + * Copyright (c) 2006 Novell, Inc. + * + * Libslab is free software; you can redistribute it and/or modify it under the + * terms of the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * Libslab 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 Lesser General Public License for + * more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with libslab; if not, write to the Free Software Foundation, Inc., 51 + * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "search-bar.h" +#include "config.h" + +#include "search-entry.h" +#include "search-context-picker.h" +#include "nld-marshal.h" + +#include <glib/gi18n-lib.h> + +typedef struct +{ + GtkWidget *hbox; + NldSearchContextPicker *context_picker; + GtkEntry *entry; + GtkWidget *button; + + int search_timeout; + guint timeout_id; + + gboolean block_signal; +} NldSearchBarPrivate; + +#define NLD_SEARCH_BAR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NLD_TYPE_SEARCH_BAR, NldSearchBarPrivate)) + +static void nld_search_bar_class_init (NldSearchBarClass *); +static void nld_search_bar_init (NldSearchBar *); +static void nld_search_bar_finalize (GObject *); + +static gboolean nld_search_bar_focus (GtkWidget *, GtkDirectionType); +static void nld_search_bar_grab_focus (GtkWidget *); + +enum +{ + SEARCH, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +G_DEFINE_TYPE (NldSearchBar, nld_search_bar, GTK_TYPE_VBOX) + +static void emit_search (NldSearchBar * search_bar); +static void emit_search_callback (GtkWidget * widget, gpointer search_bar); + +static void nld_search_bar_class_init (NldSearchBarClass * nld_search_bar_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (nld_search_bar_class); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (nld_search_bar_class); + + object_class->finalize = nld_search_bar_finalize; + widget_class->focus = nld_search_bar_focus; + widget_class->grab_focus = nld_search_bar_grab_focus; + + g_type_class_add_private (nld_search_bar_class, sizeof (NldSearchBarPrivate)); + + signals[SEARCH] = + g_signal_new ("search", G_TYPE_FROM_CLASS (nld_search_bar_class), + G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (NldSearchBarClass, search), + NULL, NULL, nld_marshal_VOID__INT_STRING, G_TYPE_NONE, 2, G_TYPE_INT, + G_TYPE_STRING); +} + +static void +nld_search_bar_init (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + GtkWidget *alignment; + GtkWidget *entry; + + GTK_WIDGET_SET_FLAGS (search_bar, GTK_CAN_FOCUS); + + priv->hbox = gtk_hbox_new (FALSE, 3); + gtk_box_pack_start (GTK_BOX (search_bar), priv->hbox, TRUE, FALSE, 0); + + alignment = gtk_alignment_new (0.0, 0.5, 1.0, 0.0); + gtk_box_pack_start (GTK_BOX (priv->hbox), alignment, TRUE, TRUE, 0); + + entry = nld_search_entry_new (); + priv->entry = GTK_ENTRY (entry); + gtk_widget_show (entry); + gtk_container_add (GTK_CONTAINER (alignment), entry); + + g_signal_connect (entry, "activate", G_CALLBACK (emit_search_callback), search_bar); + + priv->search_timeout = -1; +} + +static void +nld_search_bar_finalize (GObject * object) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (object); + + if (priv->timeout_id) + g_source_remove (priv->timeout_id); + + G_OBJECT_CLASS (nld_search_bar_parent_class)->finalize (object); +} + +static gboolean +nld_search_bar_focus (GtkWidget * widget, GtkDirectionType dir) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (widget); + + return gtk_widget_child_focus (priv->hbox, dir); +} + +gboolean +nld_search_bar_has_focus (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + return GTK_WIDGET_HAS_FOCUS (GTK_WIDGET (priv->entry)); +} + +static void +nld_search_bar_grab_focus (GtkWidget * widget) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (widget); + + gtk_widget_grab_focus (GTK_WIDGET (priv->entry)); +} + +GtkWidget * +nld_search_bar_new (void) +{ + return g_object_new (NLD_TYPE_SEARCH_BAR, NULL); +} + +void +nld_search_bar_clear (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + priv->block_signal = TRUE; + gtk_entry_set_text (priv->entry, ""); + if (priv->context_picker) + nld_search_context_picker_set_context (priv->context_picker, 0); + priv->block_signal = FALSE; +} + +static void +emit_search (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + if (priv->block_signal) + return; + + if (priv->timeout_id) + { + g_source_remove (priv->timeout_id); + priv->timeout_id = 0; + } + + g_signal_emit (search_bar, signals[SEARCH], 0, nld_search_bar_get_context_id (search_bar), + nld_search_bar_get_text (search_bar)); +} + +static void +emit_search_callback (GtkWidget * widget, gpointer search_bar) +{ + emit_search (search_bar); +} + +gboolean +nld_search_bar_get_show_contexts (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + return priv->context_picker && GTK_WIDGET_VISIBLE (priv->context_picker); +} + +static NldSearchContextPicker * +build_context_picker (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + GtkWidget *picker; + + picker = nld_search_context_picker_new (); + g_signal_connect (picker, "context_changed", G_CALLBACK (emit_search_callback), search_bar); + + gtk_box_pack_start (GTK_BOX (priv->hbox), picker, 0, 0, FALSE); + gtk_box_reorder_child (GTK_BOX (priv->hbox), picker, 0); + + return NLD_SEARCH_CONTEXT_PICKER (picker); +} + +void +nld_search_bar_set_show_contexts (NldSearchBar * search_bar, gboolean show_contexts) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + if (show_contexts) + { + if (!priv->context_picker) + priv->context_picker = build_context_picker (search_bar); + gtk_widget_show (GTK_WIDGET (priv->context_picker)); + } + else if (priv->context_picker) + gtk_widget_hide (GTK_WIDGET (priv->context_picker)); +} + +void +nld_search_bar_add_context (NldSearchBar * search_bar, const char *label, const char *icon_name, + int context_id) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + if (!priv->context_picker) + priv->context_picker = build_context_picker (search_bar); + + nld_search_context_picker_add_context (priv->context_picker, label, icon_name, context_id); +} + +gboolean +nld_search_bar_get_show_button (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + return priv->button != NULL; +} + +void +nld_search_bar_set_show_button (NldSearchBar * search_bar, gboolean show_button) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + if (show_button) + { + GtkWidget *image; + + if (priv->button) + return; + + priv->button = gtk_button_new_with_label (_("Find Now")); + image = gtk_image_new_from_icon_name ("system-search", GTK_ICON_SIZE_MENU); + gtk_button_set_image (GTK_BUTTON (priv->button), image); + gtk_widget_show (priv->button); + + g_signal_connect (priv->button, "clicked", G_CALLBACK (emit_search_callback), + search_bar); + + gtk_box_pack_end (GTK_BOX (priv->hbox), priv->button, FALSE, FALSE, 0); + } + else + { + if (!priv->button) + return; + + gtk_widget_destroy (priv->button); + priv->button = NULL; + } +} + +static gboolean +search_timeout (gpointer search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + priv->timeout_id = 0; + emit_search (search_bar); + return FALSE; +} + +static void +entry_changed (GtkWidget * entry, gpointer search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + if (priv->search_timeout == 0) + emit_search (search_bar); + else if (priv->search_timeout > 0) + { + if (priv->timeout_id != 0) + g_source_remove (priv->timeout_id); + priv->timeout_id = + g_timeout_add (priv->search_timeout * 1000, search_timeout, search_bar); + } +} + +int +nld_search_bar_get_search_timeout (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + return priv->search_timeout; +} + +void +nld_search_bar_set_search_timeout (NldSearchBar * search_bar, int search_timeout) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + if (priv->search_timeout != -1 && search_timeout == -1) + g_signal_handlers_disconnect_by_func (priv->entry, entry_changed, search_bar); + else if (search_timeout != -1) + { + g_signal_connect (priv->entry, "changed", G_CALLBACK (entry_changed), search_bar); + } + + priv->search_timeout = search_timeout; +} + +const char * +nld_search_bar_get_text (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + return gtk_entry_get_text (priv->entry); +} + +void +nld_search_bar_set_text (NldSearchBar * search_bar, const char *text, gboolean activate) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + gtk_entry_set_text (priv->entry, text); + if (activate) + emit_search (search_bar); +} + +int +nld_search_bar_get_context_id (NldSearchBar * search_bar) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + if (priv->context_picker && GTK_WIDGET_VISIBLE (priv->context_picker)) + return nld_search_context_picker_get_context (priv->context_picker); + else + return -1; +} + +void +nld_search_bar_set_context_id (NldSearchBar * search_bar, int context_id) +{ + NldSearchBarPrivate *priv = NLD_SEARCH_BAR_GET_PRIVATE (search_bar); + + g_return_if_fail (priv->context_picker != NULL); + + nld_search_context_picker_set_context (priv->context_picker, context_id); +} |