Goong Documents
Goong DocumentsJavascript APIUser interaction handlers

User interaction handlers

Items related to the ways in which the map responds to user input.

BoxZoomHandler

src/ui/handler/box_zoom.js

The BoxZoomHandler allows the user to zoom the map to fit within a bounding box. The bounding box is defined by clicking and holding shift while dragging the cursor.

Instance Members

ScrollZoomHandler

src/ui/handler/scroll_zoom.js

The ScrollZoomHandler allows the user to zoom the map by scrolling.

Instance Members

DragPanHandler

src/ui/handler/drag_pan.js

The DragPanHandler allows the user to pan the map by clicking and dragging the cursor.

Instance Members

DragRotateHandler

src/ui/handler/drag_rotate.js

The DragRotateHandler allows the user to rotate the map by clicking and dragging the cursor while holding the right mouse button or ctrl key.

Instance Members

KeyboardHandler

src/ui/handler/keyboard.js

The KeyboardHandler allows the user to zoom, rotate, and pan the map using the following keyboard shortcuts:

  • = / +: Increase the zoom level by 1.
  • Shift-= / Shift-+: Increase the zoom level by 2.
  • -: Decrease the zoom level by 1.
  • Shift--: Decrease the zoom level by 2.
  • Arrow keys: Pan by 100 pixels.
  • Shift+⇢: Increase the rotation by 15 degrees.
  • Shift+⇠: Decrease the rotation by 15 degrees.
  • Shift+⇡: Increase the pitch by 10 degrees.
  • Shift+⇣: Decrease the pitch by 10 degrees.

Instance Members

DoubleClickZoomHandler

src/ui/handler/dblclick_zoom.js

The DoubleClickZoomHandler allows the user to zoom the map at a point by double clicking or double tapping.

Instance Members

TouchZoomRotateHandler

src/ui/handler/touch_zoom_rotate.js

The TouchZoomRotateHandler allows the user to zoom and rotate the map by pinching on a touchscreen.

Static Members

Instance Members