Method

PangoLayoutxy_to_index

Declaration [src]

gboolean
pango_layout_xy_to_index (
  PangoLayout* layout,
  int x,
  int y,
  int* index_,
  int* trailing
)

Description [src]

Converts from X and Y position within a layout to the byte index to the character at that logical position.

If the Y position is not inside the layout, the closest position is chosen (the position will be clamped inside the layout). If the X position is not within the layout, then the start or the end of the line is chosen as described for pango_layout_line_x_to_index(). If either the X or Y positions were not inside the layout, then the function returns FALSE; on an exact hit, it returns TRUE.

Parameters

x int
 

The X offset (in Pango units) from the left edge of the layout.

y int
 

The Y offset (in Pango units) from the top edge of the layout.

index_ int*
 

Location to store calculated byte index.

 The argument will be set by the function.
trailing int*
 

Location to store a integer indicating where in the grapheme the user clicked. It will either be zero, or the number of characters in the grapheme. 0 represents the leading edge of the grapheme.

 The argument will be set by the function.

Return value

Returns: gboolean
 

TRUE if the coordinates were inside text, FALSE otherwise.