+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.viewmodel;
import jalview.api.AlignmentColsCollectionI;
public void updateViewportFromMouse(int mousex, int mousey,
HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
{
+ resetAlignmentDims();
+
int xAsRes = getLeftXFromCentreX(mousex, hiddenCols);
int yAsSeq = getTopYFromCentreY(mousey, hiddenSeqs);
public void adjustViewportFromMouse(int mousex, int mousey,
HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
{
+ resetAlignmentDims();
+
// calculate translation in pixel terms:
// get mouse location in viewport coords, add translation in viewport
// coords, and update viewport as usual
- int vpx = Math.round((float) mousex * alwidth / width);
- int vpy = Math.round((float) mousey * alheight / sequencesHeight);
+ int vpx = Math.round(mousex * widthRatio);
+ int vpy = Math.round(mousey * heightRatio);
updateViewportFromTopLeft(vpx + xdiff, vpy + ydiff, hiddenSeqs,
hiddenCols);
}
+ /**
+ * {@inheritDoc} Callers should have already called resetAlignmentDims to
+ * refresh alwidth, alheight and width/height ratios
+ */
@Override
protected void updateViewportFromTopLeft(int leftx, int topy,
HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
{
int xAsRes = leftx;
int yAsSeq = topy;
- resetAlignmentDims();
if (xAsRes < 0)
{
yAsSeq = 0;
}
- // Determine where scrollCol should be, given visXAsRes
+ if (ranges.isWrappedMode())
+ {
+ yAsSeq = 0; // sorry, no vertical scroll when wrapped
+ }
// get viewport width in residues
int vpwidth = ranges.getViewportWidth();
}
}
- // update viewport
- ranges.setStartRes(xAsRes);
- ranges.setStartSeq(yAsSeq);
+ ranges.setStartResAndSeq(xAsRes, yAsSeq);
}
@Override
public AlignmentColsCollectionI getColumns(AlignmentI al)
{
return new VisibleColsCollection(0,
- ranges.getAbsoluteAlignmentWidth() - 1, al);
+ ranges.getAbsoluteAlignmentWidth() - 1, al.getHiddenColumns());
}
@Override
{
alwidth = ranges.getVisibleAlignmentWidth();
alheight = ranges.getVisibleAlignmentHeight();
+
+ widthRatio = (float) alwidth / width;
+ heightRatio = (float) alheight / sequencesHeight;
}
+ /**
+ * {@inheritDoc} Callers should have already called resetAlignmentDims to
+ * refresh widthRatio
+ */
@Override
protected int getLeftXFromCentreX(int mousex, HiddenColumns hidden)
{
- int vpx = Math.round((float) mousex * alwidth / width);
+ int vpx = Math.round(mousex * widthRatio);
return vpx - ranges.getViewportWidth() / 2;
}
+ /**
+ * {@inheritDoc} Callers should have already called resetAlignmentDims to
+ * refresh heightRatio
+ */
@Override
protected int getTopYFromCentreY(int mousey, HiddenSequences hidden)
{
- int vpy = Math.round((float) mousey * alheight / sequencesHeight);
+ int vpy = Math.round(mousey * heightRatio);
return vpy - ranges.getViewportHeight() / 2;
}
public void setDragPoint(int x, int y, HiddenSequences hiddenSeqs,
HiddenColumns hiddenCols)
{
+ resetAlignmentDims();
+
// get alignment position of x and box (can get directly from vpranges) and
// calculate difference between the positions
- int vpx = Math.round((float) x * alwidth / width);
- int vpy = Math.round((float) y * alheight / sequencesHeight);
+ int vpx = Math.round(x * widthRatio);
+ int vpy = Math.round(y * heightRatio);
xdiff = ranges.getStartRes() - vpx;
ydiff = ranges.getStartSeq() - vpy;