Window management
Management of windows.
Logo provides commands to set the active window and to move and resize windows.
ACTIVEWINDOW
Also: ACTIVEW
Reports the name of the active graphics window.
Syntax
ACTIVEWINDOW
Description
ACTIVEWINDOW reports the name of the currently active window. Change the active window using SETACTIVEWINDOW. The name of currently active window is also available in the system variable :CURRENT.WINDOW.
Example
ACTIVEWINDOW Result: LISTENER
CLOSEWINDOW
Closes a window.
Syntax
CLOSEWINDOW name
Description
CLOSEWINDOW hides the window whose Logo name is the first input. The window is not erased, and may be reopened using the SETACTIVEWINDOW.
Example
CLOSEWINDOW “LISTENER
SETACTIVEWINDOW
Also: SETACTIVEW
Sets the name of the active window.
Syntax
SETACTIVEWINDOW windowname
Description
SETACTIVEWINDOW changes the currently active window. The name of the active window is reported by the ACTIVEWINDOW command. You can also set the system variable :CURRENT.WINDOW to change the active window. If the active window is hidden, it is made visible.
Example
SETACTIVEWINDOW “GRAPHICS
SETWINSIZE
Sets the size of a window.
Syntax
SETWINSIZE "windowname [width height]
Description
SETWINSIZE sets the size of a window. Its input is the name of the window to resize, and a list of two numbers: the width of the window in screen pixels and the window height. WINSIZE reports the current window size. Note that this command changes the size of the window’s drawing area; to change the size of the outer bounds of a window including its frame and title bar, use SETWSIZE.
Change a window’s position using SETXY.
SETWPOS
Sets the position of a window.
Syntax
SETWPOS windowname [x y]
Description
SETWPOS takes as input the name of the window to move, and a list of two positive integers specifying the position of the upper left corner of the window (in screen coordinates). The current position is reported by WPOS. Change a window’s size using SETWINSIZE or SETWSIZE.
Example
SETWPOS “LISTENER [100 100]
SETWSIZE
Sets the size of a floating window.
Syntax
SETWSIZE windowname [width height]
Description
SETWSIZE sets the size of a window. Its input is the name of the window to resize, and a list of two numbers: the width of the window in screen pixels and the window height, including its frame and title bar. WSIZE reports the current window size. Change a window’s position using SETWPOS. Note that the size or position of a window can only be changed if the window is not docked.
Example
SETWSIZE “LISTENER [600 100]
WINSIZE
Reports the size of a window.
Syntax
WINSIZE "windowname
Description
WINSIZE reports the size of the drawing area of a window as a list with two elements. The first element is the width in pixels and the second is the height in pixels. The input specifies the target window by its name.
To get the size of the bounding window rectangle, see WSIZE.
See also SETWINSIZE, SETWPOS, and WPOS.
WPOS
Outputs the position of a window.
Syntax
WPOS windowname
Description
WPOS takes as input the name of the window. It reports the position of the upper left corner of the window as a two-element list. Use SETWPOS to change the position of a window. Change a window’s size using SETWINSIZE or SETWSIZE. Note that the size or position of a window can only be changed if the window is not docked.
Example
WPOS “LISTENER Result: [20 450]
WSIZE
Reports the size of a window.
Syntax
WSIZE "windowname
Description
WSIZE reports the size of the outside frame of a window as a list of two elements. The first element is the width in pixels and the second is the height in pixels. The input specifies the target window by its name.
To obtain the size of a window’s drawing area, use WINSIZE.
See also SETWINSIZE, SETWPOS, and WPOS.
Example
WSIZE “GRAPHICS Result: [850 350]