Character Display Information
***********************************************************************/
static void append_glyph (struct it *);
-static void produce_stretch_glyph (struct it *);
static void append_composite_glyph (struct it *);
static void produce_composite_glyph (struct it *);
static void append_glyphless_glyph (struct it *, int, const char *);
}
}
+/* For external use. */
+void
+tty_append_glyph (struct it *it)
+{
+ append_glyph (it);
+}
+
+
/* Produce glyphs for the display element described by IT. *IT
specifies what we want to produce a glyph for (character, image, ...),
and where in the glyph matrix we currently are (glyph row and hpos).
it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1;
}
-
-/* Produce a stretch glyph for iterator IT. IT->object is the value
- of the glyph property displayed. The value must be a list
- `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs
- being recognized:
-
- 1. `:width WIDTH' specifies that the space should be WIDTH *
- canonical char width wide. WIDTH may be an integer or floating
- point number.
-
- 2. `:align-to HPOS' specifies that the space should be wide enough
- to reach HPOS, a value in canonical character units. */
-
-static void
-produce_stretch_glyph (struct it *it)
-{
- /* (space :width WIDTH ...) */
- Lisp_Object prop, plist;
- int width = 0, align_to = -1;
- int zero_width_ok_p = 0;
- double tem;
-
- /* List should start with `space'. */
- xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace));
- plist = XCDR (it->object);
-
- /* Compute the width of the stretch. */
- if ((prop = Fplist_get (plist, QCwidth), !NILP (prop))
- && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0))
- {
- /* Absolute width `:width WIDTH' specified and valid. */
- zero_width_ok_p = 1;
- width = (int)(tem + 0.5);
- }
- else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop))
- && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to))
- {
- if (it->glyph_row == NULL || !it->glyph_row->mode_line_p)
- align_to = (align_to < 0
- ? 0
- : align_to - window_box_left_offset (it->w, TEXT_AREA));
- else if (align_to < 0)
- align_to = window_box_left_offset (it->w, TEXT_AREA);
- width = max (0, (int)(tem + 0.5) + align_to - it->current_x);
- zero_width_ok_p = 1;
- }
- else
- /* Nothing specified -> width defaults to canonical char width. */
- width = FRAME_COLUMN_WIDTH (it->f);
-
- if (width <= 0 && (width < 0 || !zero_width_ok_p))
- width = 1;
-
- if (width > 0 && it->line_wrap != TRUNCATE
- && it->current_x + width > it->last_visible_x)
- width = it->last_visible_x - it->current_x - 1;
-
- if (width > 0 && it->glyph_row)
- {
- Lisp_Object o_object = it->object;
- Lisp_Object object = it->stack[it->sp - 1].string;
- int n = width;
-
- if (!STRINGP (object))
- object = it->w->buffer;
- it->object = object;
- it->char_to_display = ' ';
- it->pixel_width = it->len = 1;
- while (n--)
- append_glyph (it);
- it->object = o_object;
- }
- it->pixel_width = width;
- it->nglyphs = width;
-}
-
-
/* Append glyphs to IT's glyph_row for the composition IT->cmp_id.
Called from produce_composite_glyph for terminal frames if
IT->glyph_row != NULL. IT->face_id contains the character's
IT_EXPAND_MATRIX_WIDTH (it, area);
}
+#endif /* HAVE_WINDOW_SYSTEM */
/* Produce a stretch glyph for iterator IT. IT->object is the value
of the glyph property displayed. The value must be a list
of the stretch should be used for the ascent of the stretch.
ASCENT must be in the range 0 <= ASCENT <= 100. */
-static void
+void
produce_stretch_glyph (struct it *it)
{
/* (space :width WIDTH :height HEIGHT ...) */
Lisp_Object prop, plist;
int width = 0, height = 0, align_to = -1;
- int zero_width_ok_p = 0, zero_height_ok_p = 0;
+ int zero_width_ok_p = 0;
int ascent = 0;
double tem;
- struct face *face = FACE_FROM_ID (it->f, it->face_id);
- struct font *font = face->font ? face->font : FRAME_FONT (it->f);
+ struct face *face = NULL;
+ struct font *font = NULL;
- PREPARE_FACE_FOR_DISPLAY (it->f, face);
+#ifdef HAVE_WINDOW_SYSTEM
+ int zero_height_ok_p = 0;
+
+ if (FRAME_WINDOW_P (it->f))
+ {
+ face = FACE_FROM_ID (it->f, it->face_id);
+ font = face->font ? face->font : FRAME_FONT (it->f);
+ PREPARE_FACE_FOR_DISPLAY (it->f, face);
+ }
+#endif
/* List should start with `space'. */
xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace));
zero_width_ok_p = 1;
width = (int)tem;
}
- else if (prop = Fplist_get (plist, QCrelative_width),
- NUMVAL (prop) > 0)
+#ifdef HAVE_WINDOW_SYSTEM
+ else if (FRAME_WINDOW_P (it->f)
+ && (prop = Fplist_get (plist, QCrelative_width), NUMVAL (prop) > 0))
{
/* Relative width `:relative-width FACTOR' specified and valid.
Compute the width of the characters having the `glyph'
x_produce_glyphs (&it2);
width = NUMVAL (prop) * it2.pixel_width;
}
+#endif /* HAVE_WINDOW_SYSTEM */
else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop))
&& calc_pixel_width_or_height (&tem, it, prop, font, 1, &align_to))
{
if (width <= 0 && (width < 0 || !zero_width_ok_p))
width = 1;
+#ifdef HAVE_WINDOW_SYSTEM
/* Compute height. */
- if ((prop = Fplist_get (plist, QCheight), !NILP (prop))
- && calc_pixel_width_or_height (&tem, it, prop, font, 0, 0))
+ if (FRAME_WINDOW_P (it->f))
{
- height = (int)tem;
- zero_height_ok_p = 1;
- }
- else if (prop = Fplist_get (plist, QCrelative_height),
- NUMVAL (prop) > 0)
- height = FONT_HEIGHT (font) * NUMVAL (prop);
- else
- height = FONT_HEIGHT (font);
+ if ((prop = Fplist_get (plist, QCheight), !NILP (prop))
+ && calc_pixel_width_or_height (&tem, it, prop, font, 0, 0))
+ {
+ height = (int)tem;
+ zero_height_ok_p = 1;
+ }
+ else if (prop = Fplist_get (plist, QCrelative_height),
+ NUMVAL (prop) > 0)
+ height = FONT_HEIGHT (font) * NUMVAL (prop);
+ else
+ height = FONT_HEIGHT (font);
- if (height <= 0 && (height < 0 || !zero_height_ok_p))
- height = 1;
+ if (height <= 0 && (height < 0 || !zero_height_ok_p))
+ height = 1;
- /* Compute percentage of height used for ascent. If
- `:ascent ASCENT' is present and valid, use that. Otherwise,
- derive the ascent from the font in use. */
- if (prop = Fplist_get (plist, QCascent),
- NUMVAL (prop) > 0 && NUMVAL (prop) <= 100)
- ascent = height * NUMVAL (prop) / 100.0;
- else if (!NILP (prop)
- && calc_pixel_width_or_height (&tem, it, prop, font, 0, 0))
- ascent = min (max (0, (int)tem), height);
+ /* Compute percentage of height used for ascent. If
+ `:ascent ASCENT' is present and valid, use that. Otherwise,
+ derive the ascent from the font in use. */
+ if (prop = Fplist_get (plist, QCascent),
+ NUMVAL (prop) > 0 && NUMVAL (prop) <= 100)
+ ascent = height * NUMVAL (prop) / 100.0;
+ else if (!NILP (prop)
+ && calc_pixel_width_or_height (&tem, it, prop, font, 0, 0))
+ ascent = min (max (0, (int)tem), height);
+ else
+ ascent = (height * FONT_BASE (font)) / FONT_HEIGHT (font);
+ }
else
- ascent = (height * FONT_BASE (font)) / FONT_HEIGHT (font);
+#endif /* HAVE_WINDOW_SYSTEM */
+ height = 1;
if (width > 0 && it->line_wrap != TRUNCATE
&& it->current_x + width > it->last_visible_x)
if (width > 0 && height > 0 && it->glyph_row)
{
+ Lisp_Object o_object = it->object;
Lisp_Object object = it->stack[it->sp - 1].string;
+ int n = width;
+
if (!STRINGP (object))
object = it->w->buffer;
- append_stretch_glyph (it, object, width, height, ascent);
+#ifdef HAVE_WINDOW_SYSTEM
+ if (FRAME_WINDOW_P (it->f))
+ {
+ append_stretch_glyph (it, object, width, height, ascent);
+ it->ascent = it->phys_ascent = ascent;
+ it->descent = it->phys_descent = height - it->ascent;
+ it->nglyphs = width > 0 && height > 0 ? 1 : 0;
+ take_vertical_position_into_account (it);
+ }
+ else
+#endif
+ {
+ it->object = object;
+ it->char_to_display = ' ';
+ it->pixel_width = it->len = 1;
+ while (n--)
+ tty_append_glyph (it);
+ it->object = o_object;
+ it->pixel_width = width;
+ }
}
-
- it->pixel_width = width;
- it->ascent = it->phys_ascent = ascent;
- it->descent = it->phys_descent = height - it->ascent;
- it->nglyphs = width > 0 && height > 0 ? 1 : 0;
-
- take_vertical_position_into_account (it);
}
+#ifdef HAVE_WINDOW_SYSTEM
+
/* Calculate line-height and line-spacing properties.
An integer value specifies explicit pixel value.
A float value specifies relative value to current face height.
projects / emacs.git / commitdiff