forked from AuroraMiddleware/gtk
Add GtkAccessiblePropertySet
Like GtkAccessibleStateSet, the PropertySet is a set for accessible properties.
This commit is contained in:
Emmanuele Bassi
parent
382fa01301
commit
654956223d
221
gtk/gtkaccessiblepropertyset.c
Normal file
221
gtk/gtkaccessiblepropertyset.c
Normal file
@ -0,0 +1,221 @@
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/* gtkaccessiblepropertyset.c: Accessible properties
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*
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* Copyright 2020 GNOME Foundation
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkaccessiblepropertysetprivate.h"
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#include "gtkbitmaskprivate.h"
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#include "gtkenums.h"
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/* Keep in sync with GtkAccessibleProperty in gtkenums.h */
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#define LAST_PROPERTY GTK_ACCESSIBLE_PROPERTY_VALUE_TEXT
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struct _GtkAccessiblePropertySet
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{
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GtkBitmask *property_set;
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GtkAccessibleValue **property_values;
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};
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static GtkAccessiblePropertySet *
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gtk_accessible_property_set_init (GtkAccessiblePropertySet *self)
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{
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self->property_set = _gtk_bitmask_new ();
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self->property_values = g_new (GtkAccessibleValue *, LAST_PROPERTY);
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/* Initialize all property values, so we can always get the full set */
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for (int i = 0; i < LAST_PROPERTY; i++)
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self->property_values[i] = gtk_accessible_value_get_default_for_property (i);
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return self;
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}
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GtkAccessiblePropertySet *
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gtk_accessible_property_set_new (void)
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{
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GtkAccessiblePropertySet *set = g_rc_box_new0 (GtkAccessiblePropertySet);
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return gtk_accessible_property_set_init (set);
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}
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GtkAccessiblePropertySet *
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gtk_accessible_property_set_ref (GtkAccessiblePropertySet *self)
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{
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g_return_val_if_fail (self != NULL, NULL);
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return g_rc_box_acquire (self);
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}
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static void
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gtk_accessible_property_set_free (gpointer data)
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{
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GtkAccessiblePropertySet *self = data;
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for (int i = 0; i < LAST_PROPERTY; i++)
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{
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if (self->property_values[i] != NULL)
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gtk_accessible_value_unref (self->property_values[i]);
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}
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g_free (self->property_values);
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_gtk_bitmask_free (self->property_set);
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}
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void
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gtk_accessible_property_set_unref (GtkAccessiblePropertySet *self)
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{
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g_rc_box_release_full (self, gtk_accessible_property_set_free);
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}
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void
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gtk_accessible_property_set_add (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property,
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GtkAccessibleValue *value)
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{
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g_return_if_fail (property >= GTK_ACCESSIBLE_PROPERTY_ACTIVE_DESCENDANT &&
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property <= GTK_ACCESSIBLE_PROPERTY_VALUE_TEXT);
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if (gtk_accessible_property_set_contains (self, property))
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gtk_accessible_value_unref (self->property_values[property]);
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else
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self->property_set = _gtk_bitmask_set (self->property_set, property, TRUE);
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self->property_values[property] = gtk_accessible_value_ref (value);
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}
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void
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gtk_accessible_property_set_remove (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property)
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{
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g_return_if_fail (property >= GTK_ACCESSIBLE_PROPERTY_ACTIVE_DESCENDANT &&
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property <= GTK_ACCESSIBLE_PROPERTY_VALUE_TEXT);
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if (gtk_accessible_property_set_contains (self, property))
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{
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g_clear_pointer (&(self->property_values[property]), gtk_accessible_value_unref);
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self->property_set = _gtk_bitmask_set (self->property_set, property, FALSE);
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}
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}
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gboolean
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gtk_accessible_property_set_contains (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property)
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{
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g_return_val_if_fail (property >= GTK_ACCESSIBLE_PROPERTY_ACTIVE_DESCENDANT &&
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property <= GTK_ACCESSIBLE_PROPERTY_VALUE_TEXT,
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FALSE);
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return _gtk_bitmask_get (self->property_set, property);
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}
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GtkAccessibleValue *
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gtk_accessible_property_set_get_value (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property)
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{
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g_return_val_if_fail (property >= GTK_ACCESSIBLE_PROPERTY_ACTIVE_DESCENDANT &&
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property <= GTK_ACCESSIBLE_PROPERTY_VALUE_TEXT,
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NULL);
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return self->property_values[property];
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}
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static const char *property_names[] = {
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[GTK_ACCESSIBLE_PROPERTY_ACTIVE_DESCENDANT] = "active-descendant",
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[GTK_ACCESSIBLE_PROPERTY_CONTROLS] = "controls",
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[GTK_ACCESSIBLE_PROPERTY_DESCRIBED_BY] = "described-by",
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[GTK_ACCESSIBLE_PROPERTY_FLOW_TO] = "flow-to",
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[GTK_ACCESSIBLE_PROPERTY_HAS_POPUP] = "has-popup",
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[GTK_ACCESSIBLE_PROPERTY_LABEL] = "label",
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[GTK_ACCESSIBLE_PROPERTY_LABELLED_BY] = "labelled-by",
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[GTK_ACCESSIBLE_PROPERTY_LEVEL] = "level",
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[GTK_ACCESSIBLE_PROPERTY_MULTI_LINE] = "multiline",
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[GTK_ACCESSIBLE_PROPERTY_MULTI_SELECTABLE] = "multi-selectable",
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[GTK_ACCESSIBLE_PROPERTY_ORIENTATION] = "orientation",
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[GTK_ACCESSIBLE_PROPERTY_OWNS] = "owns",
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[GTK_ACCESSIBLE_PROPERTY_POS_IN_SET] = "pos-in-set",
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[GTK_ACCESSIBLE_PROPERTY_READ_ONLY] = "read-only",
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[GTK_ACCESSIBLE_PROPERTY_RELEVANT] = "relevant",
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[GTK_ACCESSIBLE_PROPERTY_REQUIRED] = "required",
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[GTK_ACCESSIBLE_PROPERTY_SET_SIZE] = "set-size",
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[GTK_ACCESSIBLE_PROPERTY_SORT] = "sort",
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[GTK_ACCESSIBLE_PROPERTY_VALUE_MAX] = "value-max",
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[GTK_ACCESSIBLE_PROPERTY_VALUE_MIN] = "value-min",
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[GTK_ACCESSIBLE_PROPERTY_VALUE_NOW] = "value-now",
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[GTK_ACCESSIBLE_PROPERTY_VALUE_TEXT] = "value-text",
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};
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/*< private >
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* gtk_accessible_property_set_print:
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* @self: a #GtkAccessiblePropertySet
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* @only_set: %TRUE if only the set properties should be printed
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* @buffer: a #GString
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*
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* Prints the contents of the #GtkAccessiblePropertySet into @buffer.
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*/
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void
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gtk_accessible_property_set_print (GtkAccessiblePropertySet *self,
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gboolean only_set,
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GString *buffer)
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{
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if (only_set && _gtk_bitmask_is_empty (self->property_set))
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{
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g_string_append (buffer, "{}");
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return;
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}
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g_string_append (buffer, "{\n");
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for (int i = 0; i < G_N_ELEMENTS (property_names); i++)
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{
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if (only_set && !_gtk_bitmask_get (self->property_set, i))
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continue;
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g_string_append (buffer, " ");
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g_string_append (buffer, property_names[i]);
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g_string_append (buffer, ": ");
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gtk_accessible_value_print (self->property_values[i], buffer);
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g_string_append (buffer, ",\n");
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}
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g_string_append (buffer, "}");
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}
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/*< private >
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* gtk_accessible_property_set_to_string:
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* @self: a #GtkAccessiblePropertySet
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*
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* Prints the contents of a #GtkAccessiblePropertySet into a string.
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*
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* Returns: (transfer full): a newly allocated string with the contents
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* of the #GtkAccessiblePropertySet
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*/
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char *
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gtk_accessible_property_set_to_string (GtkAccessiblePropertySet *self)
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{
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GString *buf = g_string_new (NULL);
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gtk_accessible_property_set_print (self, TRUE, buf);
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return g_string_free (buf, FALSE);
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}
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49
gtk/gtkaccessiblepropertysetprivate.h
Normal file
49
gtk/gtkaccessiblepropertysetprivate.h
Normal file
@ -0,0 +1,49 @@
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/* gtkaccessiblepropertysetprivate.h: Accessible property set
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*
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* Copyright 2020 GNOME Foundation
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "gtkaccessibleprivate.h"
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#include "gtkaccessiblevalueprivate.h"
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G_BEGIN_DECLS
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typedef struct _GtkAccessiblePropertySet GtkAccessiblePropertySet;
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GtkAccessiblePropertySet * gtk_accessible_property_set_new (void);
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GtkAccessiblePropertySet * gtk_accessible_property_set_ref (GtkAccessiblePropertySet *self);
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void gtk_accessible_property_set_unref (GtkAccessiblePropertySet *self);
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void gtk_accessible_property_set_add (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property,
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GtkAccessibleValue *value);
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void gtk_accessible_property_set_remove (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property);
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gboolean gtk_accessible_property_set_contains (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property);
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GtkAccessibleValue * gtk_accessible_property_set_get_value (GtkAccessiblePropertySet *self,
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GtkAccessibleProperty property);
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void gtk_accessible_property_set_print (GtkAccessiblePropertySet *self,
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gboolean only_set,
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GString *string);
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char * gtk_accessible_property_set_to_string (GtkAccessiblePropertySet *self);
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G_END_DECLS
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@ -16,6 +16,7 @@ gtk_private_sources = files([
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'fnmatch.c',
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'tools/gdkpixbufutils.c',
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'gsettings-mapping.c',
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'gtkaccessiblepropertyset.c',
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'gtkaccessiblestateset.c',
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'gtkaccessiblevalue.c',
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'gtkaccessiblevaluestatic.c',
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