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noselection: Pass through sections-changed

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If our underlying model emits sections-changed,
we need to pass it on.

Add a test for this too.
This commit is contained in:
Matthias Clasen 2023-05-23 11:10:49 -04:00
parent ba8d4902b5
commit 8825917140
2 changed files with 149 additions and 9 deletions
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21
gtk/gtknoselection.c
View File

@ -33,6 +33,8 @@
*
* This model is meant to be used as a simple wrapper around a `GListModel`
* when a `GtkSelectionModel` is required.
*
* `GtkNoSelection` passes through sections from the underlying model.
*/
struct _GtkNoSelection
{
@ -152,15 +154,29 @@ gtk_no_selection_items_changed_cb (GListModel *model,
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
}
static void
gtk_no_selection_sections_changed_cb (GtkSectionModel *model,
unsigned int position,
unsigned int n_items,
gpointer user_data)
{
GtkNoSelection *self = GTK_NO_SELECTION (user_data);
gtk_section_model_sections_changed (GTK_SECTION_MODEL (self), position, n_items);
}
static void
gtk_no_selection_clear_model (GtkNoSelection *self)
{
if (self->model == NULL)
return;
g_signal_handlers_disconnect_by_func (self->model,
g_signal_handlers_disconnect_by_func (self->model,
gtk_no_selection_items_changed_cb,
self);
g_signal_handlers_disconnect_by_func (self->model,
gtk_no_selection_sections_changed_cb,
self);
g_clear_object (&self->model);
}
@ -345,6 +361,9 @@ gtk_no_selection_set_model (GtkNoSelection *self,
self->model = g_object_ref (model);
g_signal_connect (self->model, "items-changed",
G_CALLBACK (gtk_no_selection_items_changed_cb), self);
if (GTK_IS_SECTION_MODEL (self->model))
g_signal_connect (self->model, "sections-changed",
G_CALLBACK (gtk_no_selection_sections_changed_cb), self);
n_items_after = g_list_model_get_n_items (self->model);
}
else

137
testsuite/gtk/noselection.c
View File

@ -52,6 +52,42 @@ model_to_string (GListModel *model)
return g_string_free (string, FALSE);
}
static char *
section_model_to_string (GListModel *model)
{
GString *string = g_string_new (NULL);
guint i, s, e, n;
if (!GTK_IS_SECTION_MODEL (model))
return model_to_string (model);
n = g_list_model_get_n_items (model);
i = 0;
while (i < n)
{
gtk_section_model_get_section (GTK_SECTION_MODEL (model), i, &s, &e);
if (i > 0)
g_string_append (string, " ");
g_string_append (string, "[");
for (; i < e; i++)
{
if (i > s)
g_string_append (string, " ");
g_string_append_printf (string, "%u", get (model, i));
}
g_string_append (string, "]");
i = e;
}
return g_string_free (string, FALSE);
}
static char *
selection_to_string (GListModel *model)
{
@ -136,6 +172,14 @@ insert (GListStore *store,
g_free (s); \
}G_STMT_END
#define assert_section_model(model, expected) G_STMT_START{ \
char *s = section_model_to_string (G_LIST_MODEL (model)); \
if (!g_str_equal (s, expected)) \
g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
#model " == " #expected, s, "==", expected); \
g_free (s); \
}G_STMT_END
#define ignore_changes(model) G_STMT_START{ \
GString *changes = g_object_get_qdata (G_OBJECT (model), changes_quark); \
g_string_set_size (changes, 0); \
@ -220,6 +264,20 @@ items_changed (GListModel *model,
}
}
static void
sections_changed (GListModel *model,
guint position,
guint n_items,
GString *changes)
{
g_assert_true (n_items != 0);
if (changes->len)
g_string_append (changes, ", ");
g_string_append_printf (changes, "s%u:%u", position, n_items);
}
static void
notify_n_items (GObject *object,
GParamSpec *pspec,
@ -252,16 +310,17 @@ free_changes (gpointer data)
}
static GtkSelectionModel *
new_model (GListStore *store, gboolean autoselect, gboolean can_unselect)
new_model (GListModel *store, gboolean autoselect, gboolean can_unselect)
{
GtkSelectionModel *result;
GString *changes;
result = GTK_SELECTION_MODEL (gtk_no_selection_new (g_object_ref (G_LIST_MODEL (store))));
result = GTK_SELECTION_MODEL (gtk_no_selection_new (g_object_ref (store)));
changes = g_string_new ("");
g_object_set_qdata_full (G_OBJECT(result), changes_quark, changes, free_changes);
g_object_set_qdata_full (G_OBJECT (result), changes_quark, changes, free_changes);
g_signal_connect (result, "items-changed", G_CALLBACK (items_changed), changes);
g_signal_connect (result, "sections-changed", G_CALLBACK (sections_changed), changes);
g_signal_connect (result, "notify::n-items", G_CALLBACK (notify_n_items), changes);
changes = g_string_new ("");
@ -284,7 +343,7 @@ test_create (void)
}
store = new_store (1, 5, 2);
selection = new_model (store, FALSE, FALSE);
selection = new_model (G_LIST_MODEL (store), FALSE, FALSE);
assert_model (selection, "1 3 5");
assert_changes (selection, "");
@ -325,7 +384,7 @@ test_changes (void)
}
store = new_store (1, 5, 1);
selection = new_model (store, FALSE, FALSE);
selection = new_model (G_LIST_MODEL (store), FALSE, FALSE);
assert_model (selection, "1 2 3 4 5");
assert_changes (selection, "");
assert_selection (selection, "");
@ -367,7 +426,7 @@ test_selection (void)
}
store = new_store (1, 5, 1);
selection = new_model (store, TRUE, FALSE);
selection = new_model (G_LIST_MODEL (store), TRUE, FALSE);
assert_selection (selection, "");
assert_selection_changes (selection, "");
@ -444,7 +503,7 @@ test_query_range (void)
GListStore *store;
store = new_store (1, 5, 1);
selection = new_model (store, TRUE, TRUE);
selection = new_model (G_LIST_MODEL (store), TRUE, TRUE);
check_get_selection (selection);
gtk_selection_model_unselect_item (selection, 0);
@ -472,7 +531,7 @@ test_set_model (void)
store = new_store (1, 5, 1);
m1 = G_LIST_MODEL (store);
m2 = G_LIST_MODEL (gtk_slice_list_model_new (g_object_ref (m1), 0, 3));
selection = new_model (store, TRUE, TRUE);
selection = new_model (G_LIST_MODEL (store), TRUE, TRUE);
assert_selection (selection, "");
assert_selection_changes (selection, "");
@ -531,6 +590,67 @@ test_empty (void)
g_object_unref (selection);
}
static int
by_n (gconstpointer p1,
gconstpointer p2,
gpointer data)
{
guint n1 = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (p1), number_quark));
guint n2 = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (p2), number_quark));
unsigned int n = GPOINTER_TO_UINT (data);
n1 = n1 / n;
n2 = n2 / n;
if (n1 < n2)
return -1;
else if (n1 > n2)
return 1;
else
return 0;
}
static int
compare (gconstpointer first,
gconstpointer second,
gpointer unused)
{
return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (first), number_quark))
- GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (second), number_quark));
}
static void
test_sections (void)
{
GListStore *store;
GtkSortListModel *sorted;
GtkSelectionModel *selection;
GtkSorter *sorter;
store = new_store (1, 10, 1);
sorted = gtk_sort_list_model_new (G_LIST_MODEL (store),
GTK_SORTER (gtk_custom_sorter_new (compare, NULL, NULL)));
selection = new_model (G_LIST_MODEL (sorted), TRUE, TRUE);
assert_model (selection, "1 2 3 4 5 6 7 8 9 10");
assert_section_model (selection, "[1 2 3 4 5 6 7 8 9 10]");
assert_changes (selection, "");
sorter = GTK_SORTER (gtk_custom_sorter_new (by_n, GUINT_TO_POINTER (3), NULL));
gtk_sort_list_model_set_section_sorter (sorted, sorter);
g_object_unref (sorter);
assert_section_model (selection, "[1 2] [3 4 5] [6 7 8] [9 10]");
assert_changes (selection, "s0:10");
gtk_section_model_sections_changed (GTK_SECTION_MODEL (sorted), 0, 3);
assert_changes (selection, "s0:3");
gtk_section_model_sections_changed (GTK_SECTION_MODEL (sorted), 5, 3);
assert_changes (selection, "s5:3");
g_object_unref (selection);
}
int
main (int argc, char *argv[])
{
@ -548,6 +668,7 @@ main (int argc, char *argv[])
g_test_add_func ("/noselection/changes", test_changes);
g_test_add_func ("/noselection/set-model", test_set_model);
g_test_add_func ("/noselection/empty", test_empty);
g_test_add_func ("/noselection/sections", test_sections);
return g_test_run ();
}