Prototype for a Preview Function. More...

Collaboration diagram for Preview Function API:

Functions
static int	preview_page_up (struct PreviewWindowData *wdata, int op)
	Show the previous page of the message - Implements preview_function_t -.

static int	preview_page_down (struct PreviewWindowData *wdata, int op)
	Show the previous page of the message - Implements preview_function_t -.

Detailed Description

Prototype for a Preview Function.

Parameters

wdata	Preview Window data
op	Operation to perform, e.g. OP_NEXT_PAGE

Return values

enum	FunctionRetval

Function Documentation

◆ preview_page_up()

static int preview_page_up	(	struct PreviewWindowData *	wdata,
		int	op )

static

Show the previous page of the message - Implements preview_function_t -.

Definition at line 368 of file preview.c.

{
  if (wdata->scroll_offset <= 0)
    return FR_NO_ACTION;
 
  wdata->scroll_offset -= MAX(wdata->win->state.rows - 1, 1);
  draw_preview(wdata->win, wdata);
 
  return FR_SUCCESS;
}

Here is the call graph for this function:

◆ preview_page_down()

static int preview_page_down	(	struct PreviewWindowData *	wdata,
		int	op )