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Code Issues Releases Activity

Add accelerator for scrollable menus

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Press A when on a scrollable menu for a 6x acceleration
This commit is contained in:
Martino Facchin 2017-09-07 12:22:00 +02:00
parent bfea2724ba
commit 0460dc4941
1 changed files with 23 additions and 2 deletions
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25
app/src/processing/app/tools/MenuScroller.java
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@ -13,6 +13,7 @@ import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import java.awt.event.KeyEvent;
/**
* A class that provides scrolling capabilities to a long menu dropdown or
@ -40,6 +41,7 @@ public class MenuScroller {
private int bottomFixedCount;
private int firstIndex = 0;
private int keepVisibleIndex = -1;
private int accelerator = 1;
/**
* Registers a menu to be scrolled with the default number of items to
@ -293,6 +295,25 @@ public class MenuScroller {
this.menu = menu;
menu.addPopupMenuListener(menuListener);
menu.addMouseWheelListener(mouseWheelListener);
ActionListener accel = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
accelerator = 6;
}
};
ActionListener decel = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
accelerator = 1;
}
};
KeyStroke keystroke_accel = KeyStroke.getKeyStroke(KeyEvent.VK_A, 0, false);
KeyStroke keystroke_decel = KeyStroke.getKeyStroke(KeyEvent.VK_A, 0, true);
menu.registerKeyboardAction(accel, "accel", keystroke_accel, JComponent.WHEN_IN_FOCUSED_WINDOW);
menu.registerKeyboardAction(decel, "decel", keystroke_decel, JComponent.WHEN_IN_FOCUSED_WINDOW);
}
/**
@ -492,7 +513,7 @@ public class MenuScroller {
private class MouseScrollListener implements MouseWheelListener {
public void mouseWheelMoved(MouseWheelEvent mwe) {
firstIndex += mwe.getWheelRotation();
firstIndex += mwe.getWheelRotation() * accelerator;
refreshMenu();
mwe.consume();
}
@ -544,7 +565,7 @@ public class MenuScroller {
@Override
public void actionPerformed(ActionEvent e) {
firstIndex += increment;
firstIndex += increment * accelerator;
refreshMenu();
}
});