Reset master to testing content

internal/atspi/libreoffice_headers_native.go

@@ -0,0 +1,103 @@
+// Copyright (c) 2026 Storm Dragon
+// Authors: Storm Dragon, Angus Kola
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package atspi
+
+/*
+#include "adapter_native.h"
+*/
+import "C"
+
+import "strings"
+
+// Sheet names are unique within a Calc document. Conservatively retire choices
+// for this window when sheet tabs are added, removed or renamed, so a
+// deleted/recreated name cannot inherit an old sheet's choice. Switching tabs
+// only changes selected state and does not retire choices.
+func (adapter *Adapter) retireLibreOfficeHeaders(source *C.AtspiAccessible, eventType string, origin ObjectID) {
+	if eventType == WindowDestroyedEvent || eventType == DefunctStateEvent {
+		adapter.libreOfficeHeaders.forget(origin)
+	}
+	if (eventType != AccessibleNameEvent && !strings.HasPrefix(eventType, ChildrenChangedEvent)) ||
+		!adapter.libreOfficeHeaders.hasBus(origin.BusName) {
+		return
+	}
+	role := C.atspi_accessible_get_role(source, nil)
+	if eventType == AccessibleNameEvent && role == C.ATSPI_ROLE_PAGE_TAB ||
+		strings.HasPrefix(eventType, ChildrenChangedEvent) && role == C.ATSPI_ROLE_PAGE_TAB_LIST {
+		window := C.cthulhu_window_ancestor(source)
+		if window != nil {
+			adapter.libreOfficeHeaders.forget(nativeObjectID(window))
+			C.g_object_unref(C.gpointer(window))
+		}
+	}
+}
+
+// GLib owner only: at most two direct cell lookups, with no sheet enumeration
+// or retained native references. Read fresh text on each accepted snapshot so
+// edits to a heading are reflected when the user next visits a data cell.
+func (adapter *Adapter) captureLibreOfficeHeaders(source *C.AtspiAccessible, snapshot *Snapshot, window ObjectID) {
+	key, valid := libreOfficeHeaderIdentity(*snapshot, window)
+	if !valid {
+		return
+	}
+	choice := adapter.libreOfficeHeaders.get(key)
+	if !choice.rowSet && !choice.columnSet {
+		return
+	}
+	cell := C.atspi_accessible_get_table_cell(source)
+	if cell == nil {
+		return
+	}
+	defer C.g_object_unref(C.gpointer(cell))
+	accessible := C.atspi_table_cell_get_table(cell, nil)
+	if accessible == nil {
+		return
+	}
+	defer C.g_object_unref(C.gpointer(accessible))
+	if nativeObjectID(accessible) != NewObjectID(snapshot.BusName, snapshot.TablePath) {
+		return
+	}
+	table := C.atspi_accessible_get_table_iface(accessible)
+	if table == nil {
+		return
+	}
+	defer C.g_object_unref(C.gpointer(table))
+	if choice.columnSet && choice.column != snapshot.TableColumnIndex {
+		snapshot.TableRowHeaders = libreOfficeHeaderText(table, snapshot.TableRowIndex, choice.column)
+	}
+	if choice.rowSet && choice.row != snapshot.TableRowIndex {
+		snapshot.TableColumnHeaders = libreOfficeHeaderText(table, choice.row, snapshot.TableColumnIndex)
+	}
+}
+
+func libreOfficeHeaderText(table *C.AtspiTable, row, column int) string {
+	cell := C.atspi_table_get_accessible_at(table, C.gint(row), C.gint(column), nil)
+	if cell == nil {
+		return ""
+	}
+	defer C.g_object_unref(C.gpointer(cell))
+	if C.atspi_accessible_get_role(cell, nil) != C.ATSPI_ROLE_TABLE_CELL {
+		return ""
+	}
+	C.atspi_accessible_clear_cache_single(cell)
+	states := C.atspi_accessible_get_state_set(cell)
+	if states == nil {
+		return ""
+	}
+	defunct := C.atspi_state_set_contains(states, C.ATSPI_STATE_DEFUNCT) != 0
+	C.g_object_unref(C.gpointer(states))
+	if defunct {
+		return ""
+	}
+	text := C.atspi_accessible_get_text_iface(cell)
+	if text == nil {
+		return ""
+	}
+	defer C.g_object_unref(C.gpointer(text))
+	length := max(0, min(int(C.atspi_text_get_character_count(text, nil)), maxSnapshotFieldLength))
+	content := C.atspi_text_get_text(text, 0, C.gint(length), nil)
+	defer C.g_free(C.gpointer(content))
+	return sanitizeSnapshotField(C.GoString(content))
+}