forked from AuroraMiddleware/gtk
Added "cell-packing" property GtkBuildable parsing to GtkCellLayout
Added gtk_cell_layout_get_area() iface vfunc and use that to apply packing cell properties to the child renderers when parsing from GtkBuilder.
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4ceb25e011
commit
b0919b2058
@ -22,6 +22,7 @@
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#include <stdlib.h>
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#include <errno.h>
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#include "gtkcelllayout.h"
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#include "gtkbuilderprivate.h"
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#include "gtkintl.h"
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@ -291,6 +292,34 @@ gtk_cell_layout_get_cells (GtkCellLayout *cell_layout)
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return NULL;
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}
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/**
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* gtk_cell_layout_get_area:
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* @cell_layout: a #GtkCellLayout
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*
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* Returns the underlying #GtkCellArea which might be @cell_layout if called on a #GtkCellArea or
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* might be %NULL if no #GtkCellArea is used by @cell_layout.
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*
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* Return value: (transfer none): a list of cell renderers. The list, but not the
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* renderers has been newly allocated and should be freed with
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* g_list_free() when no longer needed.
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*
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* Since: 3.0
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*/
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GtkCellArea *
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gtk_cell_layout_get_area (GtkCellLayout *cell_layout)
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{
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GtkCellLayoutIface *iface;
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g_return_val_if_fail (GTK_IS_CELL_LAYOUT (cell_layout), NULL);
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iface = GTK_CELL_LAYOUT_GET_IFACE (cell_layout);
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if (iface->get_area)
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return iface->get_area (cell_layout);
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return NULL;
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}
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/* Attribute parsing */
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typedef struct {
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GtkCellLayout *cell_layout;
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GtkCellRenderer *renderer;
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@ -364,6 +393,147 @@ static const GMarkupParser attributes_parser =
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attributes_text_element,
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};
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/* Cell packing parsing */
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static void
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gtk_cell_layout_buildable_set_cell_property (GtkCellArea *area,
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GtkBuilder *builder,
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GtkCellRenderer *cell,
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gchar *name,
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const gchar *value)
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{
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GParamSpec *pspec;
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GValue gvalue = { 0, };
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GError *error = NULL;
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pspec = gtk_cell_area_class_find_cell_property (GTK_CELL_AREA_GET_CLASS (area), name);
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if (!pspec)
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{
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g_warning ("%s does not have a property called %s",
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g_type_name (G_OBJECT_TYPE (area)), name);
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return;
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}
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if (!gtk_builder_value_from_string (builder, pspec, value, &gvalue, &error))
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{
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g_warning ("Could not read property %s:%s with value %s of type %s: %s",
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g_type_name (G_OBJECT_TYPE (area)),
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name,
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value,
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g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)),
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error->message);
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g_error_free (error);
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return;
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}
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gtk_cell_area_cell_set_property (area, cell, name, &gvalue);
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g_value_unset (&gvalue);
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}
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typedef struct {
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GtkBuilder *builder;
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GtkCellLayout *cell_layout;
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GtkCellRenderer *renderer;
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gchar *cell_prop_name;
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gchar *context;
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gboolean translatable;
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} CellPackingSubParserData;
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static void
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cell_packing_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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CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
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guint i;
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if (strcmp (element_name, "property") == 0)
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{
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for (i = 0; names[i]; i++)
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if (strcmp (names[i], "name") == 0)
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parser_data->cell_prop_name = g_strdup (values[i]);
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else if (strcmp (names[i], "translatable") == 0)
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{
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if (!_gtk_builder_boolean_from_string (values[i],
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&parser_data->translatable,
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error))
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return;
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}
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else if (strcmp (names[i], "comments") == 0)
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; /* for translators */
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else if (strcmp (names[i], "context") == 0)
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parser_data->context = g_strdup (values[i]);
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else
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g_warning ("Unsupported attribute for GtkCellLayout Cell "
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"property: %s\n", names[i]);
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}
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else if (strcmp (element_name, "cell-packing") == 0)
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return;
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else
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g_warning ("Unsupported tag for GtkCellLayout: %s\n", element_name);
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}
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static void
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cell_packing_text_element (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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CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
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GtkCellArea *area;
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gchar* value;
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if (!parser_data->cell_prop_name)
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return;
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if (parser_data->translatable && text_len)
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{
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const gchar* domain;
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domain = gtk_builder_get_translation_domain (parser_data->builder);
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value = _gtk_builder_parser_translate (domain,
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parser_data->context,
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text);
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}
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else
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{
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value = g_strdup (text);
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}
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area = gtk_cell_layout_get_area (parser_data->cell_layout);
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if (!area)
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{
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g_warning ("%s does not have an internal GtkCellArea class and cannot apply child cell properties",
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g_type_name (G_OBJECT_TYPE (parser_data->cell_layout)));
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return;
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}
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gtk_cell_layout_buildable_set_cell_property (area,
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parser_data->builder,
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parser_data->renderer,
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parser_data->cell_prop_name,
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value);
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g_free (parser_data->cell_prop_name);
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g_free (parser_data->context);
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g_free (value);
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parser_data->cell_prop_name = NULL;
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parser_data->context = NULL;
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parser_data->translatable = FALSE;
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}
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static const GMarkupParser cell_packing_parser =
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{
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cell_packing_start_element,
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NULL,
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cell_packing_text_element,
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};
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gboolean
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_gtk_cell_layout_buildable_custom_tag_start (GtkBuildable *buildable,
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GtkBuilder *builder,
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@ -372,20 +542,32 @@ _gtk_cell_layout_buildable_custom_tag_start (GtkBuildable *buildable,
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GMarkupParser *parser,
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gpointer *data)
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{
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AttributesSubParserData *parser_data;
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AttributesSubParserData *attr_data;
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CellPackingSubParserData *packing_data;
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if (!child)
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return FALSE;
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if (strcmp (tagname, "attributes") == 0)
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{
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parser_data = g_slice_new0 (AttributesSubParserData);
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parser_data->cell_layout = GTK_CELL_LAYOUT (buildable);
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parser_data->renderer = GTK_CELL_RENDERER (child);
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parser_data->attr_name = NULL;
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attr_data = g_slice_new0 (AttributesSubParserData);
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attr_data->cell_layout = GTK_CELL_LAYOUT (buildable);
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attr_data->renderer = GTK_CELL_RENDERER (child);
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attr_data->attr_name = NULL;
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*parser = attributes_parser;
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*data = parser_data;
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*data = attr_data;
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return TRUE;
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}
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else if (strcmp (tagname, "cell-packing") == 0)
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{
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packing_data = g_slice_new0 (CellPackingSubParserData);
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packing_data->builder = builder;
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packing_data->cell_layout = GTK_CELL_LAYOUT (buildable);
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packing_data->renderer = GTK_CELL_RENDERER (child);
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*parser = cell_packing_parser;
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*data = packing_data;
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return TRUE;
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}
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@ -399,11 +581,20 @@ _gtk_cell_layout_buildable_custom_tag_end (GtkBuildable *buildable,
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const gchar *tagname,
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gpointer *data)
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{
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AttributesSubParserData *parser_data;
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AttributesSubParserData *attr_data;
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parser_data = (AttributesSubParserData*)data;
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g_assert (!parser_data->attr_name);
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g_slice_free (AttributesSubParserData, parser_data);
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if (strcmp (tagname, "attributes") == 0)
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{
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attr_data = (AttributesSubParserData*)data;
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g_assert (!attr_data->attr_name);
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g_slice_free (AttributesSubParserData, attr_data);
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return;
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}
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else if (strcmp (tagname, "cell-packing") == 0)
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{
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g_slice_free (CellPackingSubParserData, (gpointer)data);
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return;
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}
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}
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void
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#define __GTK_CELL_LAYOUT_H__
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#include <gtk/gtkcellrenderer.h>
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#include <gtk/gtkcellarea.h>
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#include <gtk/gtktreeviewcolumn.h>
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#include <gtk/gtkbuildable.h>
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#include <gtk/gtkbuilder.h>
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@ -73,6 +74,8 @@ struct _GtkCellLayoutIface
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GtkCellRenderer *cell,
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gint position);
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GList* (* get_cells) (GtkCellLayout *cell_layout);
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GtkCellArea *(* get_area) (GtkCellLayout *cell_layout);
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};
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GType gtk_cell_layout_get_type (void) G_GNUC_CONST;
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@ -101,6 +104,8 @@ void gtk_cell_layout_clear_attributes (GtkCellLayout *cell_layout,
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void gtk_cell_layout_reorder (GtkCellLayout *cell_layout,
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GtkCellRenderer *cell,
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gint position);
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GtkCellArea *gtk_cell_layout_get_area (GtkCellLayout *cell_layout);
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gboolean _gtk_cell_layout_buildable_custom_tag_start (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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