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* view.c: Added four functions view_get_top(), view_get_left(),

Browse Source 
view_get_bottom(), view_get_right() to mark the bounds of the
	rectangle that can be used for displaying data. Expressed
	view_get_datalines() and view_get_datacolumns() in terms of
	these four functions.
This commit is contained in:
Roland Illig 2005-04-17 10:14:18 +00:00
parent 46a8f2bdc5
commit 054e617e9b
2 changed files with 40 additions and 8 deletions
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3
src/ChangeLog
View File

@ -15,6 +15,9 @@
* view.h (view): Rewrote the comment.
* view.c: Eliminated some ?: operators.
* view.c: Corrected some typos and indentation.
* view.c: Added four functions view_get_top(), view_get_left(),
view_get_bottom(), view_get_right() to mark the bounds of the
rectangle that can be used for displaying data.
2005-04-16 Roland Illig <roland.illig@gmx.de>

45
src/view.c
View File

@ -256,26 +256,55 @@ get_byte_indexed (WView *view, offset_type base, offset_type ofs)
return -1;
}
static inline int
view_get_top (WView *view)
{
return view->dpy_frame_size + STATUS_LINES;
}
static inline int
view_get_left (WView *view)
{
return view->dpy_frame_size;
}
static inline int
view_get_bottom (WView *view)
{
if (view->widget.lines >= view->dpy_frame_size)
return view->widget.lines - view->dpy_frame_size;
return 0;
}
static inline int
view_get_right (WView *view)
{
if (view->widget.cols >= view->dpy_frame_size)
return view->widget.cols - view->dpy_frame_size;
return 0;
}
/* the number of lines that can be used for displaying data */
static inline int
view_get_datalines (WView *view)
{
const int framelines = 2 * view->dpy_frame_size;
const int statuslines = STATUS_LINES;
const int top = view_get_top (view);
const int bottom = view_get_bottom (view);
if (view->widget.lines < framelines + statuslines)
return 0;
return view->widget.lines - (framelines + statuslines);
if (bottom >= top)
return bottom - top;
return 0;
}
/* the number of columns that can be used for displaying data */
static inline int
view_get_datacolumns (WView *view)
{
const int framelines = 2 * view->dpy_frame_size;
const int left = view_get_left (view);
const int right = view_get_right (view);
if (framelines < view->widget.cols)
return view->widget.cols - framelines;
if (right >= left)
return right - left;
return 0;
}