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filterlistmodel: Support sections

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Propagate sections from the child model to
the filter model.
This commit is contained in:
Matthias Clasen 2022-02-26 14:59:43 -05:00 committed by Benjamin Otte
parent 5f64f1c8df
commit cabb2625f5
1 changed files with 64 additions and 4 deletions
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62
gtk/gtkfilterlistmodel.c
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@ -23,6 +23,7 @@
#include "gtkbitset.h"
#include "gtkprivate.h"
#include "gtksectionmodelprivate.h"
/**
* GtkFilterListModel:
@ -135,8 +136,67 @@ gtk_filter_list_model_model_init (GListModelInterface *iface)
iface->get_item = gtk_filter_list_model_get_item;
}
static void
gtk_filter_list_model_get_section (GtkSectionModel *model,
guint position,
guint *out_start,
guint *out_end)
{
GtkFilterListModel *self = GTK_FILTER_LIST_MODEL (model);
guint n_items;
guint pos, start, end;
switch (self->strictness)
{
case GTK_FILTER_MATCH_NONE:
*out_start = 0;
*out_end = G_MAXUINT;
return;
case GTK_FILTER_MATCH_ALL:
gtk_list_model_get_section (self->model, position, out_start, out_end);
return;
case GTK_FILTER_MATCH_SOME:
n_items = gtk_bitset_get_size (self->matches);
if (position >= n_items)
{
*out_start = n_items;
*out_end = G_MAXUINT;
return;
}
if (!GTK_IS_SECTION_MODEL (self->model))
{
*out_start = 0;
*out_end = n_items;
return;
}
break;
default:
g_assert_not_reached ();
}
/* if we get here, we have a section model, and are MATCH_SOME */
pos = gtk_bitset_get_nth (self->matches, position);
gtk_section_model_get_section (GTK_SECTION_MODEL (self->model), pos, &start, &end);
if (start == 0)
*out_start = 0;
else
*out_start = gtk_bitset_get_size_in_range (self->matches, 0, start - 1);
*out_end = *out_start + gtk_bitset_get_size_in_range (self->matches, start, end - 1);
}
static void
gtk_filter_list_model_section_model_init (GtkSectionModelInterface *iface)
{
iface->get_section = gtk_filter_list_model_get_section;
}
G_DEFINE_TYPE_WITH_CODE (GtkFilterListModel, gtk_filter_list_model, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, gtk_filter_list_model_model_init))
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, gtk_filter_list_model_model_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SECTION_MODEL, gtk_filter_list_model_section_model_init))
static gboolean
gtk_filter_list_model_run_filter_on_item (GtkFilterListModel *self,