The Navigation dialog is designed to offer easy movement around the active image if the zoom is set higher than what the image window can display. If this is the case, there is a white colored rectangle that shows the location of the current view area in respect to the image. In this rectangle, the mouse pointer takes the form of a grabbing hand; outside this rectangle, it takes the form of a hand with pointing fore-finger.
To change the viewing region:
Click outside the rectangular area with the pointing fore-finger on the wanted region.
Click and drag the rectangular area.
Use Shift and mouse-wheel to move horizontally, Alt and mouse-wheel to move vertically.
This dialog is a dockable dialog; see the section 2.3. szakasz - Dialogs and Docking for help on manipulating it.
You can access it:
from the main menu:
→ → ;from the Tab menu in any dockable dialog by clicking on and selecting → ,
from the main menu:
→ .If you have scrollbars enabled, then you can access it more quickly (but without the zoom functions) by clicking on the icon at the right bottom corner of the image window where both scrollbars end.
It allows easy zoom level control, more precise than with the Zoom command. This slider can also be moved using the mouse wheel when the mouse pointer is on the slider, or Ctrl and mouse wheel.
These buttons are self explanatory.
The zoom ratio is adjusted so that the whole image becomes visible in the window as it is.
The image size and the zoom are adjusted so that the image is fully displayed with the lesser zoom.
Restore the image window to the size which allows the image to be fully displayed with the zoom unchanged. This command is also as menu entry available. See 5.8. szakasz - Shrink Wrap for the details.