- try_window (FRAME_ROOT_WINDOW (f), pos, TRY_WINDOW_IGNORE_FONTS_CHANGE);
-
- /* Compute width and height of the tooltip. */
- width = height = 0;
- seen_reversed_p = false;
- for (i = 0; i < w->desired_matrix->nrows; ++i)
- {
- struct glyph_row *row = &w->desired_matrix->rows[i];
- struct glyph *last;
- int row_width;
-
- /* Stop at the first empty row at the end. */
- if (!row->enabled_p || !MATRIX_ROW_DISPLAYS_TEXT_P (row))
- break;
-
- /* Let the row go over the full width of the frame. */
- row->full_width_p = true;
-
- row_width = row->pixel_width;
- if (row->used[TEXT_AREA])
- {
- /* There's a glyph at the end of rows that is used to place
- the cursor there. Don't include the width of this glyph. */
- if (!row->reversed_p)
- {
- last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1];
- if (NILP (last->object))
- row_width -= last->pixel_width;
- }
- else
- {
- /* There could be a stretch glyph at the beginning of R2L
- rows that is produced by extend_face_to_end_of_line.
- Don't count that glyph. */
- struct glyph *g = row->glyphs[TEXT_AREA];
-
- if (g->type == STRETCH_GLYPH && NILP (g->object))
- {
- row_width -= g->pixel_width;
- seen_reversed_p = true;
- }
- }
- }
-
- height += row->height;
- width = max (width, row_width);
- }
-
- /* If we've seen partial-length R2L rows, we need to re-adjust the
- tool-tip frame width and redisplay it again, to avoid over-wide
- tips due to the stretch glyph that extends R2L lines to full
- width of the frame. */
- if (seen_reversed_p)
- {
- /* w->total_cols and FRAME_TOTAL_COLS want the width in columns,
- not in pixels. */
- w->pixel_width = width;
- width /= WINDOW_FRAME_COLUMN_WIDTH (w);
- w->total_cols = width;
- FRAME_TOTAL_COLS (f) = width;
- SET_FRAME_WIDTH (f, width);
- adjust_frame_glyphs (f);
- clear_glyph_matrix (w->desired_matrix);
- clear_glyph_matrix (w->current_matrix);
- try_window (FRAME_ROOT_WINDOW (f), pos, 0);
- width = height = 0;
- /* Recompute width and height of the tooltip. */
- for (i = 0; i < w->desired_matrix->nrows; ++i)
- {
- struct glyph_row *row = &w->desired_matrix->rows[i];
- struct glyph *last;
- int row_width;
-
- if (!row->enabled_p || !MATRIX_ROW_DISPLAYS_TEXT_P (row))
- break;
- row->full_width_p = true;
- row_width = row->pixel_width;
- if (row->used[TEXT_AREA] && !row->reversed_p)
- {
- last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1];
- if (NILP (last->object))
- row_width -= last->pixel_width;
- }
-
- height += row->height;
- width = max (width, row_width);
- }
- }
-
- /* Add the frame's internal border to the width and height the X
- window should have. */
- height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
- width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
-
- /* Move the tooltip window where the mouse pointer is. Resize and
- show it. */
- compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y);
-
+ try_window (window, pos, TRY_WINDOW_IGNORE_FONTS_CHANGE);
+ /* Calculate size of tooltip window. */
+ size = Fwindow_text_pixel_size (window, Qnil, Qnil, Qnil,
+ make_number (w->pixel_height), Qnil);
+ /* Add the frame's internal border to calculated size. */
+ width = XINT (Fcar (size)) + 2 * FRAME_INTERNAL_BORDER_WIDTH (tip_f);
+ height = XINT (Fcdr (size)) + 2 * FRAME_INTERNAL_BORDER_WIDTH (tip_f);
+
+ /* Calculate position of tooltip frame. */
+ compute_tip_xy (tip_f, parms, dx, dy, width, height, &root_x, &root_y);
+
+ /* Show tooltip frame. */