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singleselection: Add ::hide-selection property

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Add a property to hide the selection from the listview. This makes it
possible to "turn off" selections in widgets like CCPanelList when
collapsing from a sidebar to a menu view due to size constraints and
back on when switching back.
This commit is contained in:
Benjamin Otte
2021-11-03 02:26:26 +01:00
parent 9962ef9ac4
commit 9e9d418af7
2 changed files with 91 additions and 9 deletions
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95
gtk/gtksingleselection.c
View File

@@ -46,6 +46,7 @@ struct _GtkSingleSelection
guint autoselect : 1;
guint can_unselect : 1;
guint hide_selection : 1;
};
struct _GtkSingleSelectionClass
@@ -57,6 +58,7 @@ enum {
PROP_0,
PROP_AUTOSELECT,
PROP_CAN_UNSELECT,
PROP_HIDE_SELECTION,
PROP_SELECTED,
PROP_SELECTED_ITEM,
PROP_MODEL,
@@ -108,6 +110,9 @@ gtk_single_selection_is_selected (GtkSelectionModel *model,
{
GtkSingleSelection *self = GTK_SINGLE_SELECTION (model);
if (self->hide_selection)
return FALSE;
return self->selected == position;
}
@@ -120,7 +125,8 @@ gtk_single_selection_get_selection_in_range (GtkSelectionModel *model,
GtkBitset *result;
result = gtk_bitset_new_empty ();
if (self->selected != GTK_INVALID_LIST_POSITION)
if (self->selected != GTK_INVALID_LIST_POSITION &&
!self->hide_selection)
gtk_bitset_add (result, self->selected);
return result;
@@ -306,6 +312,9 @@ gtk_single_selection_set_property (GObject *object,
gtk_single_selection_set_can_unselect (self, g_value_get_boolean (value));
break;
case PROP_HIDE_SELECTION:
gtk_single_selection_set_hide_selection (self, g_value_get_boolean (value));
break;
case PROP_MODEL:
gtk_single_selection_set_model (self, g_value_get_object (value));
break;
@@ -337,6 +346,11 @@ gtk_single_selection_get_property (GObject *object,
case PROP_CAN_UNSELECT:
g_value_set_boolean (value, self->can_unselect);
break;
case PROP_HIDE_SELECTION:
g_value_set_boolean (value, self->hide_selection);
break;
case PROP_MODEL:
g_value_set_object (value, self->model);
break;
@@ -401,6 +415,18 @@ gtk_single_selection_class_init (GtkSingleSelectionClass *klass)
FALSE,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkSingleSelection:hide-selection: (attributes org.gtk.Property.get=gtk_single_selection_get_hide_selection org.gtk.Property.set=gtk_single_selection_set_hide_selection)
*
* If the selected item is not reported to the view.
*/
properties[PROP_HIDE_SELECTION] =
g_param_spec_boolean ("hide-selection",
P_("Hide Selection"),
P_("If the selected item is not reported to the view"),
FALSE,
G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
/**
* GtkSingleSelection:selected: (attributes org.gtk.Property.get=gtk_single_selection_get_selected org.gtk.Property.set=gtk_single_selection_set_selected)
*
@@ -603,14 +629,17 @@ gtk_single_selection_set_selected (GtkSingleSelection *self,
g_clear_object (&self->selected_item);
self->selected_item = new_selected;
if (old_position == GTK_INVALID_LIST_POSITION)
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), position, 1);
else if (position == GTK_INVALID_LIST_POSITION)
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), old_position, 1);
else if (position < old_position)
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), position, old_position - position + 1);
else
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), old_position, position - old_position + 1);
if (!self->hide_selection)
{
if (old_position == GTK_INVALID_LIST_POSITION)
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), position, 1);
else if (position == GTK_INVALID_LIST_POSITION)
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), old_position, 1);
else if (position < old_position)
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), position, old_position - position + 1);
else
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), old_position, position - old_position + 1);
}
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SELECTED]);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SELECTED_ITEM]);
@@ -725,3 +754,51 @@ gtk_single_selection_set_can_unselect (GtkSingleSelection *self,
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_CAN_UNSELECT]);
}
/**
* gtk_single_selection_get_hide_selection: (attributes org.gtk.Method.get_property=hide-selection)
* @self: a `GtkSingleSelection`
*
* If %TRUE, the selection is hidden and gtk_selection_model_is_selected()
* will return %FALSE even for the selected item.
*
* Returns: %TRUE to hide the selection
*/
gboolean
gtk_single_selection_get_hide_selection (GtkSingleSelection *self)
{
g_return_val_if_fail (GTK_IS_SINGLE_SELECTION (self), FALSE);
return self->hide_selection;
}
/**
* gtk_single_selection_set_hide_selection: (attributes org.gtk.Method.set_property=hide-selection)
* @self: a `GtkSingleSelection`
* @hide_selection: %TRUE to hide the selection
*
* If %TRUE, the selection is hidden and gtk_selection_model_is_selected()
* will return %FALSE for all items, even for the selected item.
*
* However, it will still update [property@Gtk.SingleSelection:selected] internally
* so that when this property gets set to %FALSE again, the selected item will be
* reported as that item.
*
* So this function in essence allows turning off visibility of the selection in views.
*/
void
gtk_single_selection_set_hide_selection (GtkSingleSelection *self,
gboolean hide_selection)
{
g_return_if_fail (GTK_IS_SINGLE_SELECTION (self));
if (self->hide_selection == hide_selection)
return;
self->hide_selection = hide_selection;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_HIDE_SELECTION]);
if (self->selected != GTK_INVALID_LIST_POSITION)
gtk_selection_model_selection_changed (GTK_SELECTION_MODEL (self), self->selected, 1);
}

5
gtk/gtksingleselection.h
View File

@@ -54,6 +54,11 @@ gboolean gtk_single_selection_get_can_unselect (GtkSingleSelect
GDK_AVAILABLE_IN_ALL
void gtk_single_selection_set_can_unselect (GtkSingleSelection *self,
gboolean can_unselect);
GDK_AVAILABLE_IN_4_6
gboolean gtk_single_selection_get_hide_selection (GtkSingleSelection *self);
GDK_AVAILABLE_IN_4_6
void gtk_single_selection_set_hide_selection (GtkSingleSelection *self,
gboolean hide_selection);
G_END_DECLS