forked from AuroraMiddleware/gtk
Added GtkBuildable support for specifying <items> in GtkComboBoxText.
This commit is contained in:
Tristan Van Berkom
parent
cfecb6bf10
commit
2dafbba921
@ -22,6 +22,10 @@
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#include "gtkcombobox.h"
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#include "gtkcellrenderertext.h"
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#include "gtkcelllayout.h"
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#include "gtkbuildable.h"
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#include "gtkbuilderprivate.h"
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#include <string.h>
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/**
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* SECTION:gtkcomboboxtext
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@ -44,9 +48,50 @@
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* its contents can be retrieved using gtk_combo_box_text_get_active_text().
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* The entry itself can be accessed by calling gtk_bin_get_child() on the
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* combo box.
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*
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* <refsect2 id="GtkComboBoxText-BUILDER-UI">
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* <title>GtkComboBoxText as GtkBuildable</title>
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* <para>
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* The GtkComboBoxText implementation of the GtkBuildable interface
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* supports adding items directly using the <items> element
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* and specifying <item> elements for each item. Each <item>
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* element supports the regular translation attributes "translatable",
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* "context" and "comments".
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*
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* <example>
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* <title>A UI definition fragment specifying GtkComboBoxText items</title>
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* <programlisting><![CDATA[
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* <object class="GtkComboBoxText">
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* <items>
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* <item translatable="yes">Factory</item>
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* <item translatable="yes">Home</item>
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* <item translatable="yes">Subway</item>
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* </items>
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* </object>
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* ]]></programlisting>
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* </example>
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*
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*/
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G_DEFINE_TYPE (GtkComboBoxText, gtk_combo_box_text, GTK_TYPE_COMBO_BOX);
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static void gtk_combo_box_text_buildable_interface_init (GtkBuildableIface *iface);
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static gboolean gtk_combo_box_text_buildable_custom_tag_start (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const gchar *tagname,
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GMarkupParser *parser,
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gpointer *data);
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static void gtk_combo_box_text_buildable_custom_finished (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const gchar *tagname,
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gpointer user_data);
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static GtkBuildableIface *buildable_parent_iface = NULL;
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G_DEFINE_TYPE_WITH_CODE (GtkComboBoxText, gtk_combo_box_text, GTK_TYPE_COMBO_BOX,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
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gtk_combo_box_text_buildable_interface_init));
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static GObject *
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gtk_combo_box_text_constructor (GType type,
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@ -91,6 +136,174 @@ gtk_combo_box_text_class_init (GtkComboBoxTextClass *klass)
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object_class->constructor = gtk_combo_box_text_constructor;
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}
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static void
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gtk_combo_box_text_buildable_interface_init (GtkBuildableIface *iface)
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{
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buildable_parent_iface = g_type_interface_peek_parent (iface);
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iface->custom_tag_start = gtk_combo_box_text_buildable_custom_tag_start;
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iface->custom_finished = gtk_combo_box_text_buildable_custom_finished;
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}
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typedef struct {
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GtkBuilder *builder;
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GObject *object;
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const gchar *domain;
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gchar *context;
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gchar *string;
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guint translatable : 1;
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guint is_text : 1;
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} ItemParserData;
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static void
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item_start_element (GMarkupParseContext *context,
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const gchar *element_name,
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const gchar **names,
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const gchar **values,
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gpointer user_data,
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GError **error)
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{
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ItemParserData *data = (ItemParserData*)user_data;
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guint i;
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if (strcmp (element_name, "item") == 0)
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{
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data->is_text = TRUE;
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for (i = 0; names[i]; i++)
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{
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if (strcmp (names[i], "translatable") == 0)
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{
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gboolean bval;
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if (!_gtk_builder_boolean_from_string (values[i], &bval,
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error))
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return;
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data->translatable = bval;
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}
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else if (strcmp (names[i], "comments") == 0)
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{
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/* do nothing, comments are for translators */
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}
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else if (strcmp (names[i], "context") == 0)
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data->context = g_strdup (values[i]);
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else
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g_warning ("Unknown custom combo box item attribute: %s", names[i]);
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}
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}
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}
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static void
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item_text (GMarkupParseContext *context,
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const gchar *text,
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gsize text_len,
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gpointer user_data,
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GError **error)
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{
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ItemParserData *data = (ItemParserData*)user_data;
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gchar *string;
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if (!data->is_text)
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return;
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string = g_strndup (text, text_len);
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if (data->translatable && text_len)
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{
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gchar *translated;
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/* FIXME: This will not use the domain set in the .ui file,
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* since the parser is not telling the builder about the domain.
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* However, it will work for gtk_builder_set_translation_domain() calls.
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*/
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translated = _gtk_builder_parser_translate (data->domain,
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data->context,
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string);
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g_free (string);
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string = translated;
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}
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data->string = string;
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}
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static void
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item_end_element (GMarkupParseContext *context,
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const gchar *element_name,
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gpointer user_data,
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GError **error)
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{
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ItemParserData *data = (ItemParserData*)user_data;
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/* Append the translated strings */
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if (data->string)
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gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (data->object), data->string);
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data->translatable = FALSE;
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g_free (data->context);
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g_free (data->string);
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data->context = NULL;
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data->string = NULL;
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data->is_text = FALSE;
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}
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static const GMarkupParser item_parser =
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{
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item_start_element,
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item_end_element,
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item_text
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};
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static gboolean
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gtk_combo_box_text_buildable_custom_tag_start (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const gchar *tagname,
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GMarkupParser *parser,
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gpointer *data)
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{
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if (buildable_parent_iface->custom_tag_start (buildable, builder, child,
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tagname, parser, data))
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return TRUE;
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if (strcmp (tagname, "items") == 0)
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{
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ItemParserData *parser_data;
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parser_data = g_slice_new0 (ItemParserData);
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parser_data->builder = g_object_ref (builder);
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parser_data->object = g_object_ref (buildable);
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parser_data->domain = gtk_builder_get_translation_domain (builder);
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*parser = item_parser;
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*data = parser_data;
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return TRUE;
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}
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return FALSE;
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}
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static void
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gtk_combo_box_text_buildable_custom_finished (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const gchar *tagname,
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gpointer user_data)
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{
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ItemParserData *data;
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buildable_parent_iface->custom_finished (buildable, builder, child,
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tagname, user_data);
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if (strcmp (tagname, "items") == 0)
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{
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data = (ItemParserData*)user_data;
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g_object_unref (data->object);
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g_object_unref (data->builder);
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g_slice_free (ItemParserData, data);
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}
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}
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/**
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* gtk_combo_box_text_new:
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@ -265,17 +478,24 @@ gtk_combo_box_text_insert (GtkComboBoxText *combo_box,
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g_return_if_fail (GTK_IS_COMBO_BOX_TEXT (combo_box));
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g_return_if_fail (text != NULL);
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if (position < 0)
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position = G_MAXINT;
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store = GTK_LIST_STORE (gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box)));
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g_return_if_fail (GTK_IS_LIST_STORE (store));
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text_column = gtk_combo_box_get_entry_text_column (GTK_COMBO_BOX (combo_box));
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g_return_if_fail (text_column >= 0);
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if (gtk_combo_box_get_has_entry (GTK_COMBO_BOX (combo_box)))
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g_return_if_fail (text_column >= 0);
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else if (text_column < 0)
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text_column = 0;
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column_type = gtk_tree_model_get_column_type (GTK_TREE_MODEL (store), text_column);
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g_return_if_fail (column_type == G_TYPE_STRING);
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gtk_list_store_insert (store, &iter, position);
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if (position < 0)
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gtk_list_store_append (store, &iter);
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else
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gtk_list_store_insert (store, &iter, position);
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gtk_list_store_set (store, &iter, text_column, text, -1);
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if (id != NULL)
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