Commit c7b08b0d authored by Martin Rudalics's avatar Martin Rudalics

Rewrite and delabelize vertical border check. (Bug#5357) (Bug#9618)

* window.c (coordinates_in_window): Rewrite and delabelize
vertical border check.  (Bug#5357) (Bug#9618)
parent 3d1337be
2011-10-15 Martin Rudalics <rudalics@gmx.at>
* window.c (coordinates_in_window): Rewrite and delabelize
vertical border check. (Bug#5357) (Bug#9618)
2011-10-14 Stefan Monnier <monnier@iro.umontreal.ca>
* xterm.c (frame_highlight, frame_unhighlight): Ignore unexplained
......
......@@ -919,22 +919,45 @@ static enum window_part
coordinates_in_window (register struct window *w, int x, int y)
{
struct frame *f = XFRAME (WINDOW_FRAME (w));
int left_x, right_x;
enum window_part part;
int ux = FRAME_COLUMN_WIDTH (f);
int x0 = WINDOW_LEFT_EDGE_X (w);
int x1 = WINDOW_RIGHT_EDGE_X (w);
int left_x = WINDOW_LEFT_EDGE_X (w);
int right_x = WINDOW_RIGHT_EDGE_X (w);
int top_y = WINDOW_TOP_EDGE_Y (w);
int bottom_y = WINDOW_BOTTOM_EDGE_Y (w);
/* The width of the area where the vertical line can be dragged.
(Between mode lines for instance. */
int grabbable_width = ux;
int lmargin_width, rmargin_width, text_left, text_right;
int top_y = WINDOW_TOP_EDGE_Y (w);
int bottom_y = WINDOW_BOTTOM_EDGE_Y (w);
/* Outside any interesting row? */
if (y < top_y || y >= bottom_y)
/* Outside any interesting row or column? */
if (y < top_y || y >= bottom_y || x < left_x || x >= right_x)
return ON_NOTHING;
/* On the mode line or header line? */
if ((WINDOW_WANTS_MODELINE_P (w)
&& y >= bottom_y - CURRENT_MODE_LINE_HEIGHT (w)
&& (part = ON_MODE_LINE))
|| (WINDOW_WANTS_HEADER_LINE_P (w)
&& y < top_y + CURRENT_HEADER_LINE_HEIGHT (w)
&& (part = ON_HEADER_LINE)))
{
/* If it's under/over the scroll bar portion of the mode/header
line, say it's on the vertical line. That's to be able to
resize windows horizontally in case we're using toolkit scroll
bars. Note: If scrollbars are on the left, the window that
must be eventually resized is that on the left of WINDOW. */
if ((WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w)
&& !WINDOW_LEFTMOST_P (w)
&& eabs (x - left_x) < grabbable_width)
|| (!WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w)
&& !WINDOW_RIGHTMOST_P (w)
&& eabs (x - right_x) < grabbable_width))
return ON_VERTICAL_BORDER;
else
return part;
}
/* In what's below, we subtract 1 when computing right_x because we
want the rightmost pixel, which is given by left_pixel+width-1. */
if (w->pseudo_window_p)
......@@ -948,50 +971,6 @@ coordinates_in_window (register struct window *w, int x, int y)
right_x = WINDOW_BOX_RIGHT_EDGE_X (w) - 1;
}
/* On the mode line or header line? If it's near the start of
the mode or header line of window that's has a horizontal
sibling, say it's on the vertical line. That's to be able
to resize windows horizontally in case we're using toolkit
scroll bars. */
if (WINDOW_WANTS_MODELINE_P (w)
&& y >= bottom_y - CURRENT_MODE_LINE_HEIGHT (w))
{
part = ON_MODE_LINE;
header_vertical_border_check:
/* We're somewhere on the mode line. We consider the place
between mode lines of horizontally adjacent mode lines
as the vertical border. If scroll bars on the left,
return the right window. */
if ((WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w)
|| WINDOW_RIGHTMOST_P (w))
&& !WINDOW_LEFTMOST_P (w)
&& eabs (x - x0) < grabbable_width)
return ON_VERTICAL_BORDER;
/* Make sure we're not at the rightmost position of a
mode-/header-line and there's yet another window on the
right. (Bug#1372) */
else if ((WINDOW_RIGHTMOST_P (w) || x < x1)
&& eabs (x - x1) < grabbable_width)
return ON_VERTICAL_BORDER;
if (x < x0 || x >= x1)
return ON_NOTHING;
return part;
}
if (WINDOW_WANTS_HEADER_LINE_P (w)
&& y < top_y + CURRENT_HEADER_LINE_HEIGHT (w))
{
part = ON_HEADER_LINE;
goto header_vertical_border_check;
}
if (x < x0 || x >= x1) return ON_NOTHING;
/* Outside any interesting column? */
if (x < left_x || x > right_x)
return ON_SCROLL_BAR;
......
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