X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=95d672d1fc4ea3e1fcdf8247b647282a5fd1a7bf;hb=07033e7dfaeaa1a51cc7ab37bd9b7d3ee0b6862a;hp=58af47b4f6242743dd6f6172045e62950e5e481b;hpb=42a3c5add84dd6d89be5efb6cbcef72d38c1132c;p=jalview.git diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java index 58af47b..95d672d 100755 --- a/src/jalview/gui/SeqCanvas.java +++ b/src/jalview/gui/SeqCanvas.java @@ -296,47 +296,48 @@ public class SeqCanvas extends JComponent implements ViewportListenerI int transX = 0; int transY = 0; - gg.copyArea(horizontal * charWidth, vertical * charHeight, - img.getWidth(), img.getHeight(), -horizontal * charWidth, - -vertical * charHeight); + gg.copyArea(horizontal * charWidth, vertical * charHeight, + img.getWidth(), img.getHeight(), -horizontal * charWidth, + -vertical * charHeight); - if (horizontal > 0) // scrollbar pulled right, image to the left - { - transX = (endRes - startRes - horizontal) * charWidth; - startRes = endRes - horizontal; - } - else if (horizontal < 0) - { - endRes = startRes - horizontal; - } - else if (vertical > 0) // scroll down - { - startSeq = endSeq - vertical; - - if (startSeq < ranges.getStartSeq()) - { // ie scrolling too fast, more than a page at a time - startSeq = ranges.getStartSeq(); + if (horizontal > 0) // scrollbar pulled right, image to the left + { + transX = (endRes - startRes - horizontal) * charWidth; + startRes = endRes - horizontal; } - else + else if (horizontal < 0) { - transY = img.getHeight() - ((vertical + 1) * charHeight); + endRes = startRes - horizontal; } - } - else if (vertical < 0) - { - endSeq = startSeq - vertical; - if (endSeq > ranges.getEndSeq()) + if (vertical > 0) // scroll down { - endSeq = ranges.getEndSeq(); + startSeq = endSeq - vertical; + + if (startSeq < ranges.getStartSeq()) + { // ie scrolling too fast, more than a page at a time + startSeq = ranges.getStartSeq(); + } + else + { + transY = img.getHeight() - ((vertical + 1) * charHeight); + } } - } + else if (vertical < 0) + { + endSeq = startSeq - vertical; - gg.translate(transX, transY); - drawPanel(gg, startRes, endRes, startSeq, endSeq, 0); - gg.translate(-transX, -transY); + if (endSeq > ranges.getEndSeq()) + { + endSeq = ranges.getEndSeq(); + } + } + + gg.translate(transX, transY); + drawPanel(gg, startRes, endRes, startSeq, endSeq, 0); + gg.translate(-transX, -transY); - repaint(); + repaint(); } finally { fastpainting = false; @@ -410,6 +411,13 @@ public class SeqCanvas extends JComponent implements ViewportListenerI // lcimg is a local *copy* of img which we'll draw selectImage on top of BufferedImage lcimg = buildLocalImage(selectImage); g.drawImage(lcimg, 0, 0, this); + + } + + if (av.cursorMode) + { + drawCursor(g, ranges.getStartRes(), ranges.getEndRes(), + ranges.getStartSeq(), ranges.getEndSeq()); } } @@ -508,6 +516,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); g2d.drawImage(selectImage, 0, 0, this); } + g2d.dispose(); return lcimg; @@ -1141,13 +1150,6 @@ public class SeqCanvas extends JComponent implements ViewportListenerI } } } - - if (av.cursorMode && cursorY == i && cursorX >= startRes - && cursorX <= endRes) - { - seqRdr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth, - offset + ((i - startSeq) * charHeight)); - } } if (av.getSelectionGroup() != null @@ -1245,6 +1247,94 @@ public class SeqCanvas extends JComponent implements ViewportListenerI return selectionImage; } + /** + * Draw the cursor as a separate image and overlay + * + * @param startRes + * start residue of area to draw cursor in + * @param endRes + * end residue of area to draw cursor in + * @param startSeq + * start sequence of area to draw cursor in + * @param endSeq + * end sequence of are to draw cursor in + * @return a transparent image of the same size as the sequence canvas, with + * the cursor drawn on it, if any + */ + private void drawCursor(Graphics g, int startRes, int endRes, + int startSeq, + int endSeq) + { + // convert the cursorY into a position on the visible alignment + int cursor_ypos = cursorY; + + // don't do work unless we have to + if (cursor_ypos >= startSeq && cursor_ypos <= endSeq) + { + int yoffset = 0; + int xoffset = 0; + int startx = startRes; + int endx = endRes; + + // convert the cursorX into a position on the visible alignment + int cursor_xpos = av.getAlignment().getHiddenColumns() + .findColumnPosition(cursorX); + + if (av.getAlignment().getHiddenColumns().isVisible(cursorX)) + { + + if (av.getWrapAlignment()) + { + // work out the correct offsets for the cursor + int charHeight = av.getCharHeight(); + int charWidth = av.getCharWidth(); + int canvasWidth = getWidth(); + int canvasHeight = getHeight(); + + // height gap above each panel + int hgap = charHeight; + if (av.getScaleAboveWrapped()) + { + hgap += charHeight; + } + + int cWidth = (canvasWidth - labelWidthEast - labelWidthWest) + / charWidth; + int cHeight = av.getAlignment().getHeight() * charHeight; + + endx = startx + cWidth - 1; + int ypos = hgap; // vertical offset + + // iterate down the wrapped panels + while ((ypos <= canvasHeight) && (endx < cursor_xpos)) + { + // update vertical offset + ypos += cHeight + getAnnotationHeight() + hgap; + + // update horizontal offset + startx += cWidth; + endx = startx + cWidth - 1; + } + yoffset = ypos; + xoffset = labelWidthWest; + } + + // now check if cursor is within range for x values + if (cursor_xpos >= startx && cursor_xpos <= endx) + { + // get the character the cursor is drawn at + SequenceI seq = av.getAlignment().getSequenceAt(cursorY); + char s = seq.getCharAt(cursorX); + + seqRdr.drawCursor(g, s, + xoffset + (cursor_xpos - startx) * av.getCharWidth(), + yoffset + (cursor_ypos - startSeq) * av.getCharHeight()); + } + } + } + } + + /* * Set up graphics for selection group */ @@ -1660,6 +1750,12 @@ public class SeqCanvas extends JComponent implements ViewportListenerI repaint(); return; } + else if (eventName.equals(ViewportRanges.MOVE_VIEWPORT)) + { + fastPaint = false; + repaint(); + return; + } int scrollX = 0; if (eventName.equals(ViewportRanges.STARTRES) @@ -1687,33 +1783,42 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { scrollX = -range; } - - // Both scrolling and resizing change viewport ranges: scrolling changes - // both start and end points, but resize only changes end values. - // Here we only want to fastpaint on a scroll, with resize using a normal - // paint, so scroll events are identified as changes to the horizontal or - // vertical start value. - if (eventName.equals(ViewportRanges.STARTRES)) - { - if (av.getWrapAlignment()) - { - fastPaintWrapped(scrollX); - } - else - { - fastPaint(scrollX, 0); - } - } - else if (eventName.equals(ViewportRanges.STARTSEQ)) + } + // Both scrolling and resizing change viewport ranges: scrolling changes + // both start and end points, but resize only changes end values. + // Here we only want to fastpaint on a scroll, with resize using a normal + // paint, so scroll events are identified as changes to the horizontal or + // vertical start value. + if (eventName.equals(ViewportRanges.STARTRES)) + { + if (av.getWrapAlignment()) + { + fastPaintWrapped(scrollX); + } + else + { + fastPaint(scrollX, 0); + } + } + else if (eventName.equals(ViewportRanges.STARTSEQ)) + { + // scroll + fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + } + else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) + { + if (av.getWrapAlignment()) { - // scroll - fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue()); + fastPaintWrapped(scrollX); } - else if (eventName.equals(ViewportRanges.STARTRESANDSEQ)) + else { - fastPaint(scrollX, ((int[]) evt.getNewValue())[1] - - ((int[]) evt.getOldValue())[1]); + fastPaint(scrollX, 0); } + // bizarrely, we only need to scroll on the x value here as fastpaint + // copies the full height of the image anyway. Passing in the y value + // causes nasty repaint artefacts, which only disappear on a full + // repaint. } } @@ -1730,7 +1835,9 @@ public class SeqCanvas extends JComponent implements ViewportListenerI { ViewportRanges ranges = av.getRanges(); - if (Math.abs(scrollX) > ranges.getViewportWidth()) + // if (Math.abs(scrollX) > ranges.getViewportWidth()) + // JAL-2836, 2836 temporarily removed wrapped fastpaint for release 2.10.3 + if (true) { /* * shift of more than one view width is