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add keyboard shortcuts for zoom

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bancika
2020-09-16 09:28:08 +02:00
parent 632dff3e2c
commit b1b3d2ef9c
7 changed files with 45 additions and 3 deletions
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diylc/diylc-swing/src/org/diylc/swing/plugins/canvas/CanvasPanel.java
+36
View File
@@ -36,6 +36,7 @@ import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.KeyEvent;
import java.awt.image.VolatileImage;
import java.util.Arrays;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
@@ -135,6 +136,11 @@ public class CanvasPanel extends JComponent implements Autoscroll {
getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)
.put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "clearSlot");
getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)
.put(KeyStroke.getKeyStroke(KeyEvent.VK_ADD, KeyEvent.CTRL_DOWN_MASK), "zoomIn");
getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)
.put(KeyStroke.getKeyStroke(KeyEvent.VK_SUBTRACT, KeyEvent.CTRL_DOWN_MASK), "zoomOut");
for (int i = 1; i <= 12; i++) {
final int x = i;
@@ -150,6 +156,36 @@ public class CanvasPanel extends JComponent implements Autoscroll {
}
});
}
getActionMap().put("zoomIn", new AbstractAction() {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
LOG.debug("Keyboard zoom-in triggered");
double oldZoom = CanvasPanel.this.plugInPort.getZoomLevel();
Double[] availableZoomLevels = CanvasPanel.this.plugInPort.getAvailableZoomLevels();
int index = Arrays.binarySearch(availableZoomLevels, oldZoom);
if (index < availableZoomLevels.length - 1)
CanvasPanel.this.plugInPort.setZoomLevel(availableZoomLevels[index + 1]);
}
});
getActionMap().put("zoomOut", new AbstractAction() {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
LOG.debug("Keyboard zoom-out triggered");
double oldZoom = CanvasPanel.this.plugInPort.getZoomLevel();
Double[] availableZoomLevels = CanvasPanel.this.plugInPort.getAvailableZoomLevels();
int index = Arrays.binarySearch(availableZoomLevels, oldZoom);
if (index > 0)
CanvasPanel.this.plugInPort.setZoomLevel(availableZoomLevels[index - 1]);
}
});
getActionMap().put("clearSlot", new AbstractAction() {
diylc/diylc-swing/src/org/diylc/swing/plugins/statusbar/StatusBar.java
+4 -2
View File
@@ -213,8 +213,10 @@ public class StatusBar extends JPanel implements IPlugIn {
zoomBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
plugInPort.setZoomLevel((Double) zoomBox.getSelectedItem());
public void actionPerformed(ActionEvent e) {
Double newZoom = (Double) zoomBox.getSelectedItem();
if (!newZoom.equals(plugInPort.getZoomLevel()))
plugInPort.setZoomLevel((Double) zoomBox.getSelectedItem());
}
});
}