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-rw-r--r--svtools/source/table/defaultinputhandler.cxx186
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diff --git a/svtools/source/table/defaultinputhandler.cxx b/svtools/source/table/defaultinputhandler.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <table/defaultinputhandler.hxx>
+#include <table/tablecontrolinterface.hxx>
+
+#include <vcl/event.hxx>
+#include <osl/diagnose.h>
+
+
+namespace svt::table
+{
+
+
+ //= DefaultInputHandler
+
+
+ DefaultInputHandler::DefaultInputHandler()
+ {
+ aMouseFunctions.push_back( new ColumnResize );
+ aMouseFunctions.push_back( new RowSelection );
+ aMouseFunctions.push_back( new ColumnSortHandler );
+ }
+
+
+ DefaultInputHandler::~DefaultInputHandler()
+ {
+ }
+
+
+ bool DefaultInputHandler::delegateMouseEvent( ITableControl& i_control, const MouseEvent& i_event,
+ FunctionResult ( MouseFunction::*i_handlerMethod )( ITableControl&, const MouseEvent& ) )
+ {
+ if ( pActiveFunction.is() )
+ {
+ bool furtherHandler = false;
+ switch ( (pActiveFunction.get()->*i_handlerMethod)( i_control, i_event ) )
+ {
+ case ActivateFunction:
+ OSL_ENSURE( false, "lcl_delegateMouseEvent: unexpected - function already *is* active!" );
+ break;
+ case ContinueFunction:
+ break;
+ case DeactivateFunction:
+ pActiveFunction.clear();
+ break;
+ case SkipFunction:
+ furtherHandler = true;
+ break;
+ }
+ if ( !furtherHandler )
+ // handled the event
+ return true;
+ }
+
+ // ask all other handlers
+ bool handled = false;
+ for (auto const& mouseFunction : aMouseFunctions)
+ {
+ if (handled)
+ break;
+ if (mouseFunction == pActiveFunction)
+ // we already invoked this function
+ continue;
+
+ switch ( (mouseFunction.get()->*i_handlerMethod)( i_control, i_event ) )
+ {
+ case ActivateFunction:
+ pActiveFunction = mouseFunction;
+ handled = true;
+ break;
+ case ContinueFunction:
+ case DeactivateFunction:
+ OSL_ENSURE( false, "lcl_delegateMouseEvent: unexpected: inactive handler cannot be continued or deactivated!" );
+ break;
+ case SkipFunction:
+ handled = false;
+ break;
+ }
+ }
+ return handled;
+ }
+
+
+ bool DefaultInputHandler::MouseMove( ITableControl& i_tableControl, const MouseEvent& i_event )
+ {
+ return delegateMouseEvent( i_tableControl, i_event, &MouseFunction::handleMouseMove );
+ }
+
+
+ bool DefaultInputHandler::MouseButtonDown( ITableControl& i_tableControl, const MouseEvent& i_event )
+ {
+ return delegateMouseEvent( i_tableControl, i_event, &MouseFunction::handleMouseDown );
+ }
+
+
+ bool DefaultInputHandler::MouseButtonUp( ITableControl& i_tableControl, const MouseEvent& i_event )
+ {
+ return delegateMouseEvent( i_tableControl, i_event, &MouseFunction::handleMouseUp );
+ }
+
+
+ bool DefaultInputHandler::KeyInput( ITableControl& _rControl, const KeyEvent& rKEvt )
+ {
+ bool bHandled = false;
+
+ const vcl::KeyCode& rKeyCode = rKEvt.GetKeyCode();
+ sal_uInt16 nKeyCode = rKeyCode.GetCode();
+
+ struct ActionMapEntry
+ {
+ sal_uInt16 nKeyCode;
+ sal_uInt16 nKeyModifier;
+ TableControlAction eAction;
+ }
+ static const aKnownActions[] = {
+ { KEY_DOWN, 0, cursorDown },
+ { KEY_UP, 0, cursorUp },
+ { KEY_LEFT, 0, cursorLeft },
+ { KEY_RIGHT, 0, cursorRight },
+ { KEY_HOME, 0, cursorToLineStart },
+ { KEY_END, 0, cursorToLineEnd },
+ { KEY_PAGEUP, 0, cursorPageUp },
+ { KEY_PAGEDOWN, 0, cursorPageDown },
+ { KEY_PAGEUP, KEY_MOD1, cursorToFirstLine },
+ { KEY_PAGEDOWN, KEY_MOD1, cursorToLastLine },
+ { KEY_HOME, KEY_MOD1, cursorTopLeft },
+ { KEY_END, KEY_MOD1, cursorBottomRight },
+ { KEY_SPACE, KEY_MOD1, cursorSelectRow },
+ { KEY_UP, KEY_SHIFT, cursorSelectRowUp },
+ { KEY_DOWN, KEY_SHIFT, cursorSelectRowDown },
+ { KEY_END, KEY_SHIFT, cursorSelectRowAreaBottom },
+ { KEY_HOME, KEY_SHIFT, cursorSelectRowAreaTop },
+
+ { 0, 0, invalidTableControlAction }
+ };
+
+ const ActionMapEntry* pActions = aKnownActions;
+ for ( ; pActions->eAction != invalidTableControlAction; ++pActions )
+ {
+ if ( ( pActions->nKeyCode == nKeyCode ) && ( pActions->nKeyModifier == rKeyCode.GetModifier() ) )
+ {
+ bHandled = _rControl.dispatchAction( pActions->eAction );
+ break;
+ }
+ }
+
+ return bHandled;
+ }
+
+
+ bool DefaultInputHandler::GetFocus( ITableControl& _rControl )
+ {
+ _rControl.showCursor();
+ return false; // continue processing
+ }
+
+
+ bool DefaultInputHandler::LoseFocus( ITableControl& _rControl )
+ {
+ _rControl.hideCursor();
+ return false; // continue processing
+ }
+
+
+} // namespace svt::table
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */