Marking blocks

In this section:

• %N.Meb[options]
• Standard call-back functions
• Colouring the text and background
• Text search
• Text search/replace
• Buffer positioning
• Undo operations
• Opening a file
• Inserting text
• Moving around the display
• Deleting text
• Marking blocks
• New CLEARWIN_INFO@ parameters
• Clipboard cut/paste
• Scroll position

SUBROUTINE EDIT_OPEN_LINE_MARK@(E)
INTEGER E(24) ! EDIT_INFO block

This starts a line-mode selection. Initially the selection covers the current line, but it can be extended upwards or downwards by moving the cursor key. The selected area can be cut/paste in the same way as an ordinary character selection.

SUBROUTINE EDIT_OPEN_BLOCK_MARK@(E)
INTEGER E(24) ! EDIT_INFO block

This starts a block (or column) selection. To use this you probably want to use the no_cursor_snap option (see above) since the user will be creating and manipulating rectangular regions on the screen.

SUBROUTINE EDIT_CLOSE_MARK@(E)
INTEGER E(24) ! EDIT_INFO block

This will close a selection of either type.

Alternatively you can pass the window handle instead of the EDIT_INFO.

See also: EDIT_INFO