1 /**
2  * UGENE - Integrated Bioinformatics Tools.
3  * Copyright (C) 2008-2021 UniPro <ugene@unipro.ru>
4  * http://ugene.net
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19  * MA 02110-1301, USA.
20  */
21 
22 #include "DrawHelper.h"
23 
24 #include "U2Core/U2SafePoints.h"
25 
26 #include "BaseWidthController.h"
27 #include "RowHeightController.h"
28 #include "ScrollController.h"
29 #include "ov_msa/MaCollapseModel.h"
30 #include "ov_msa/MaEditor.h"
31 #include "ov_msa/view_rendering/MaEditorSelection.h"
32 #include "ov_msa/view_rendering/MaEditorWgt.h"
33 
34 namespace U2 {
35 
DrawHelper(MaEditor * _editor)36 DrawHelper::DrawHelper(MaEditor *_editor)
37     : editor(_editor) {
38 }
39 
getVisibleBases(int widgetWidth,bool countFirstClippedBase,bool countLastClippedBase) const40 U2Region DrawHelper::getVisibleBases(int widgetWidth, bool countFirstClippedBase, bool countLastClippedBase) const {
41     auto scrollController = editor->getUI()->getScrollController();
42     const int firstVisibleBase = scrollController->getFirstVisibleBase(countFirstClippedBase);
43     const int lastVisibleBase = scrollController->getLastVisibleBase(widgetWidth, countLastClippedBase);
44     return U2Region(firstVisibleBase, lastVisibleBase - firstVisibleBase + 1);
45 }
46 
getVisibleViewRowsRegion(int widgetHeight,bool countFirstClippedRow,bool countLastClippedRow) const47 U2Region DrawHelper::getVisibleViewRowsRegion(int widgetHeight, bool countFirstClippedRow, bool countLastClippedRow) const {
48     auto scrollController = editor->getUI()->getScrollController();
49     const int firstVisibleRowNumber = scrollController->getFirstVisibleViewRowIndex(countFirstClippedRow);
50     const int lastVisibleRowNumber = scrollController->getLastVisibleViewRowIndex(widgetHeight, countLastClippedRow);
51     return U2Region(firstVisibleRowNumber, lastVisibleRowNumber - firstVisibleRowNumber + 1);
52 }
53 
getVisibleMaRowIndexes(int widgetHeight,bool countFirstClippedRow,bool countLastClippedRow) const54 QList<int> DrawHelper::getVisibleMaRowIndexes(int widgetHeight, bool countFirstClippedRow, bool countLastClippedRow) const {
55     auto scrollController = editor->getUI()->getScrollController();
56     int firstVisibleViewRow = scrollController->getFirstVisibleViewRowIndex(countFirstClippedRow);
57     int lastVisibleViewRow = scrollController->getLastVisibleViewRowIndex(widgetHeight, countLastClippedRow);
58     U2Region viewRowsRegion(firstVisibleViewRow, lastVisibleViewRow - firstVisibleViewRow + 1);
59     return editor->getCollapseModel()->getMaRowIndexesByViewRowIndexes(viewRowsRegion);
60 }
61 
getVisibleBasesCount(int widgetWidth,bool countFirstClippedBase,bool countLastClippedBase) const62 int DrawHelper::getVisibleBasesCount(int widgetWidth, bool countFirstClippedBase, bool countLastClippedBase) const {
63     return getVisibleBases(widgetWidth, countFirstClippedBase, countLastClippedBase).length;
64 }
65 
getScreenRect(const QRect & columnsAndRowsRect) const66 QRect DrawHelper::getScreenRect(const QRect &columnsAndRowsRect) const {
67     CHECK(!columnsAndRowsRect.isEmpty(), QRect());
68 
69     U2Region xRange = editor->getUI()->getBaseWidthController()->getBasesScreenRange(U2Region::fromXRange(columnsAndRowsRect));
70     U2Region yRange = editor->getUI()->getRowHeightController()->getScreenYRegionByViewRowsRegion(U2Region::fromYRange(columnsAndRowsRect));
71     return QRect(xRange.startPos, yRange.startPos, xRange.length, yRange.length);
72 }
73 
74 }  // namespace U2
75