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(buffer_posn_from_coords): Calculate and return pixel

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coordinates relative to glyph at posn.  If glyph is an image,
return that as object at posn.  Callers changed.
(mode_line_string, marginal_area_string): Calculate and return
pixel coordinates relative to glyph.  Callers changed.
This commit is contained in:
Kim F. Storm 2003-11-27 21:15:53 +00:00
parent 58df72561d
commit 2d4aac37dc
1 changed files with 40 additions and 9 deletions
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49
src/dispnew.c
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@ -5692,9 +5692,10 @@ update_frame_line (f, vpos)
to character positions. */
void
buffer_posn_from_coords (w, x, y, object, pos)
buffer_posn_from_coords (w, x, y, dx, dy, object, pos)
struct window *w;
int *x, *y;
int *dx, *dy;
Lisp_Object *object;
struct display_pos *pos;
{
@ -5702,6 +5703,7 @@ buffer_posn_from_coords (w, x, y, object, pos)
struct buffer *old_current_buffer = current_buffer;
struct text_pos startp;
struct glyph_row *row;
struct image *img;
int x0, x1;
current_buffer = XBUFFER (w->buffer);
@ -5721,7 +5723,15 @@ buffer_posn_from_coords (w, x, y, object, pos)
current_buffer = old_current_buffer;
*object = STRINGP (it.string) ? it.string : w->buffer;
*dx = x0 + it.first_visible_x - it.current_x;
*dy = *y - it.current_y;
if (it.what == IT_IMAGE
&& (img = IMAGE_FROM_ID (it.f, it.image_id)) != NULL
&& !NILP (img->spec))
*object = img->spec;
else
*object = STRINGP (it.string) ? it.string : w->buffer;
*pos = it.current;
*x = it.hpos;
*y = it.vpos;
@ -5734,22 +5744,23 @@ buffer_posn_from_coords (w, x, y, object, pos)
the string returned. */
Lisp_Object
mode_line_string (w, x, y, part, charpos)
mode_line_string (w, x, y, dx, dy, part, charpos)
struct window *w;
int *x, *y;
int *dx, *dy;
enum window_part part;
int *charpos;
{
struct glyph_row *row;
struct glyph *glyph, *end;
int x0;
int x0, y0;
Lisp_Object string = Qnil;
if (part == ON_MODE_LINE)
row = MATRIX_MODE_LINE_ROW (w->current_matrix);
else
row = MATRIX_HEADER_LINE_ROW (w->current_matrix);
y0 = *y - row->y;
*y = row - MATRIX_FIRST_TEXT_ROW (w->current_matrix);
if (row->mode_line_p && row->enabled_p)
@ -5771,7 +5782,16 @@ mode_line_string (w, x, y, part, charpos)
*x += x0 / WINDOW_FRAME_COLUMN_WIDTH (w);
}
else
*x = 0;
{
*x = 0;
x0 = 0;
}
if (dx)
{
*dx = x0;
*dy = y0;
}
return string;
}
@ -5782,15 +5802,16 @@ mode_line_string (w, x, y, part, charpos)
the string returned. */
Lisp_Object
marginal_area_string (w, x, y, part, charpos)
marginal_area_string (w, x, y, dx, dy, part, charpos)
struct window *w;
int *x, *y;
int *dx, *dy;
enum window_part part;
int *charpos;
{
struct glyph_row *row = w->current_matrix->rows;
struct glyph *glyph, *end;
int x0, i, wy = *y;
int x0, y0, i, wy = *y;
int area;
Lisp_Object string = Qnil;
@ -5804,6 +5825,7 @@ marginal_area_string (w, x, y, part, charpos)
for (i = 0; row->enabled_p && i < w->current_matrix->nrows; ++i, ++row)
if (wy >= row->y && wy < MATRIX_ROW_BOTTOM_Y (row))
break;
y0 = *y - row->y;
*y = row - MATRIX_FIRST_TEXT_ROW (w->current_matrix);
if (row->enabled_p)
@ -5836,7 +5858,16 @@ marginal_area_string (w, x, y, part, charpos)
*x += x0 / WINDOW_FRAME_COLUMN_WIDTH (w);
}
else
*x = 0;
{
x0 = 0;
*x = 0;
}
if (dx)
{
*dx = x0;
*dy = y0;
}
return string;
}