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| -rw-r--r-- | svtools/source/table/mousefunction.cxx | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/svtools/source/table/mousefunction.cxx b/svtools/source/table/mousefunction.cxx new file mode 100644 index 000000000..3d2986f10 --- /dev/null +++ b/svtools/source/table/mousefunction.cxx @@ -0,0 +1,276 @@ +/* -*- 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 "mousefunction.hxx" +#include <table/tablecontrolinterface.hxx> +#include <table/tablesort.hxx> + +#include <tools/diagnose_ex.h> +#include <vcl/window.hxx> +#include <vcl/ptrstyle.hxx> + + +namespace svt::table +{ + + + //= ColumnResize + + + FunctionResult ColumnResize::handleMouseMove( ITableControl& i_tableControl, MouseEvent const & i_event ) + { + Point const aPoint = i_event.GetPosPixel(); + + if ( m_nResizingColumn == COL_INVALID ) + { + // if we hit a column divider, change the mouse pointer accordingly + PointerStyle aNewPointer( PointerStyle::Arrow ); + TableCell const tableCell = i_tableControl.hitTest( aPoint ); + if ( ( tableCell.nRow == ROW_COL_HEADERS ) && ( tableCell.eArea == ColumnDivider ) ) + { + aNewPointer = PointerStyle::HSplit; + } + i_tableControl.setPointer( aNewPointer ); + + return SkipFunction; // TODO: is this correct? + } + + ::Size const tableSize = i_tableControl.getTableSizePixel(); + + // set proper pointer + PointerStyle aNewPointer( PointerStyle::Arrow ); + ColumnMetrics const & columnMetrics( i_tableControl.getColumnMetrics( m_nResizingColumn ) ); + if ( ( aPoint.X() > tableSize.Width() ) + || ( aPoint.X() < columnMetrics.nStartPixel ) + ) + { + aNewPointer = PointerStyle::NotAllowed; + } + else + { + aNewPointer = PointerStyle::HSplit; + } + i_tableControl.setPointer( aNewPointer ); + + // show tracking line + i_tableControl.hideTracking(); + i_tableControl.showTracking( + tools::Rectangle( + Point( aPoint.X(), 0 ), + Size( 1, tableSize.Height() ) + ), + ShowTrackFlags::Split | ShowTrackFlags::TrackWindow + ); + + return ContinueFunction; + } + + + FunctionResult ColumnResize::handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event ) + { + if ( m_nResizingColumn != COL_INVALID ) + { + OSL_ENSURE( false, "ColumnResize::handleMouseDown: suspicious: MouseButtonDown while still tracking?" ); + return ContinueFunction; + } + + TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) ); + if ( tableCell.nRow == ROW_COL_HEADERS ) + { + if ( ( tableCell.nColumn != COL_INVALID ) + && ( tableCell.eArea == ColumnDivider ) + ) + { + m_nResizingColumn = tableCell.nColumn; + i_tableControl.captureMouse(); + return ActivateFunction; + } + } + + return SkipFunction; + } + + + FunctionResult ColumnResize::handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event ) + { + if ( m_nResizingColumn == COL_INVALID ) + return SkipFunction; + + Point const aPoint = i_event.GetPosPixel(); + + i_tableControl.hideTracking(); + PColumnModel const pColumn = i_tableControl.getModel()->getColumnModel( m_nResizingColumn ); + long const maxWidthLogical = pColumn->getMaxWidth(); + long const minWidthLogical = pColumn->getMinWidth(); + + // new position of mouse + long const requestedEnd = aPoint.X(); + + // old position of right border + long const oldEnd = i_tableControl.getColumnMetrics( m_nResizingColumn ).nEndPixel; + + // position of left border if cursor in the to-be-resized column + long const columnStart = i_tableControl.getColumnMetrics( m_nResizingColumn ).nStartPixel; + long const requestedWidth = requestedEnd - columnStart; + // TODO: this is not correct, strictly: It assumes that the mouse was pressed exactly on the "end" pos, + // but for a while now, we have relaxed this, and allow clicking a few pixels aside, too + + if ( requestedEnd >= columnStart ) + { + long requestedWidthLogical = i_tableControl.pixelWidthToAppFont( requestedWidth ); + // respect column width limits + if ( oldEnd > requestedEnd ) + { + // column has become smaller, check against minimum width + if ( ( minWidthLogical != 0 ) && ( requestedWidthLogical < minWidthLogical ) ) + requestedWidthLogical = minWidthLogical; + } + else if ( oldEnd < requestedEnd ) + { + // column has become larger, check against max width + if ( ( maxWidthLogical != 0 ) && ( requestedWidthLogical >= maxWidthLogical ) ) + requestedWidthLogical = maxWidthLogical; + } + pColumn->setWidth( requestedWidthLogical ); + i_tableControl.invalidate( TableArea::All ); + } + + i_tableControl.setPointer( PointerStyle::Arrow ); + i_tableControl.releaseMouse(); + + m_nResizingColumn = COL_INVALID; + return DeactivateFunction; + } + + + //= RowSelection + + + FunctionResult RowSelection::handleMouseMove( ITableControl&, MouseEvent const & ) + { + return SkipFunction; + } + + + FunctionResult RowSelection::handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event ) + { + bool handled = false; + + TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) ); + if ( tableCell.nRow >= 0 ) + { + if ( i_tableControl.getSelEngine()->GetSelectionMode() == SelectionMode::NONE ) + { + i_tableControl.activateCell( tableCell.nColumn, tableCell.nRow ); + handled = true; + } + else + { + handled = i_tableControl.getSelEngine()->SelMouseButtonDown( i_event ); + } + } + + if ( handled ) + m_bActive = true; + return handled ? ActivateFunction : SkipFunction; + } + + + FunctionResult RowSelection::handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event ) + { + TableCell const tableCell = i_tableControl.hitTest( i_event.GetPosPixel() ); + if ( tableCell.nRow >= 0 ) + { + if ( i_tableControl.getSelEngine()->GetSelectionMode() != SelectionMode::NONE ) + { + i_tableControl.getSelEngine()->SelMouseButtonUp( i_event ); + } + } + if ( m_bActive ) + { + m_bActive = false; + return DeactivateFunction; + } + return SkipFunction; + } + + + //= ColumnSortHandler + + + FunctionResult ColumnSortHandler::handleMouseMove( ITableControl&, MouseEvent const & ) + { + return SkipFunction; + } + + + FunctionResult ColumnSortHandler::handleMouseDown( ITableControl& i_tableControl, MouseEvent const & i_event ) + { + if ( m_nActiveColumn != COL_INVALID ) + { + OSL_ENSURE( false, "ColumnSortHandler::handleMouseDown: called while already active - suspicious!" ); + return ContinueFunction; + } + + if ( i_tableControl.getModel()->getSortAdapter() == nullptr ) + // no sorting support at the model + return SkipFunction; + + TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) ); + if ( ( tableCell.nRow != ROW_COL_HEADERS ) || ( tableCell.nColumn < 0 ) ) + return SkipFunction; + + // TODO: ensure the column header is rendered in some special way, indicating its current state + + m_nActiveColumn = tableCell.nColumn; + return ActivateFunction; + } + + + FunctionResult ColumnSortHandler::handleMouseUp( ITableControl& i_tableControl, MouseEvent const & i_event ) + { + if ( m_nActiveColumn == COL_INVALID ) + return SkipFunction; + + TableCell const tableCell( i_tableControl.hitTest( i_event.GetPosPixel() ) ); + if ( ( tableCell.nRow == ROW_COL_HEADERS ) && ( tableCell.nColumn == m_nActiveColumn ) ) + { + ITableDataSort* pSort = i_tableControl.getModel()->getSortAdapter(); + ENSURE_OR_RETURN( pSort != nullptr, "ColumnSortHandler::handleMouseUp: somebody is mocking with us!", DeactivateFunction ); + // in handleMousButtonDown, the model claimed to have sort support ... + + ColumnSortDirection eSortDirection = ColumnSortAscending; + ColumnSort const aCurrentSort = pSort->getCurrentSortOrder(); + if ( aCurrentSort.nColumnPos == m_nActiveColumn ) + // invert existing sort order + eSortDirection = ( aCurrentSort.eSortDirection == ColumnSortAscending ) ? ColumnSortDescending : ColumnSortAscending; + + pSort->sortByColumn( m_nActiveColumn, eSortDirection ); + } + + m_nActiveColumn = COL_INVALID; + return DeactivateFunction; + } + + +} // namespace svt::table + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |