Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 186 insertions, 0 deletions

diff --git a/svtools/source/table/defaultinputhandler.cxx b/svtools/source/table/defaultinputhandler.cxx
new file mode 100644
index 000000000..0263b2968
--- /dev/null
+++ b/svtools/source/table/defaultinputhandler.cxx
@@ -0,0 +1,186 @@
+/* -*- 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: */