INIT_DISP_VARIABLE (window_end_pos, 0);
p->redisplay_end_trigger = Qnil;
+ p->gutter_extent_modiff[0] = 0;
+ p->gutter_extent_modiff[1] = 0;
+ p->gutter_extent_modiff[2] = 0;
+ p->gutter_extent_modiff[3] = 0;
+
#define WINDOW_SLOT(slot, compare) p->slot = Qnil
#include "winslots.h"
window_truncation_on (struct window *w)
{
/* Minibuffer windows are never truncated.
- ### is this the right way ? */
+ #### is this the right way ? */
if (MINI_WINDOW_P (w))
return 0;
}
DEFUN ("window-truncated-p", Fwindow_truncated_p, 0, 1, 0, /*
-Returns Non-Nil iff the window is truncated.
+Returns non-nil if text in the window is truncated.
*/
(window))
{
relative to the frame, not the window.
****************************************************************************/
-int
-window_top_gutter_height (struct window *w)
+static int
+window_top_window_gutter_height (struct window *w)
{
- int gutter = WINDOW_REAL_TOP_GUTTER_BOUNDS (w);
-
if (!NILP (w->hchild) || !NILP (w->vchild))
return 0;
-
+
#ifdef HAVE_SCROLLBARS
if (!NILP (w->scrollbar_on_top_p))
- return window_scrollbar_height (w) + gutter;
+ return window_scrollbar_height (w);
else
#endif
- return gutter;
+ return 0;
}
int
-window_bottom_gutter_height (struct window *w)
+window_top_gutter_height (struct window *w)
+{
+ return window_top_window_gutter_height (w);
+}
+
+static int
+window_bottom_window_gutter_height (struct window *w)
{
- int gutter = WINDOW_REAL_BOTTOM_GUTTER_BOUNDS (w);
+ int gutter;
if (!NILP (w->hchild) || !NILP (w->vchild))
return 0;
- gutter += window_modeline_height (w);
+ gutter = window_modeline_height (w);
#ifdef HAVE_SCROLLBARS
if (NILP (w->scrollbar_on_top_p))
}
int
-window_left_gutter_width (struct window *w, int modeline)
+window_bottom_gutter_height (struct window *w)
{
- int gutter = WINDOW_REAL_LEFT_GUTTER_BOUNDS (w);
+ return window_bottom_window_gutter_height (w);
+}
+static int
+window_left_window_gutter_width (struct window *w, int modeline)
+{
if (!NILP (w->hchild) || !NILP (w->vchild))
return 0;
#ifdef HAVE_SCROLLBARS
if (!modeline && !NILP (w->scrollbar_on_left_p))
- gutter += window_scrollbar_width (w);
+ return window_scrollbar_width (w);
#endif
- return gutter;
+ return 0;
}
int
-window_right_gutter_width (struct window *w, int modeline)
+window_left_gutter_width (struct window *w, int modeline)
{
- int gutter = WINDOW_REAL_RIGHT_GUTTER_BOUNDS (w);
+ return window_left_window_gutter_width (w, modeline);
+}
+
+static int
+window_right_window_gutter_width (struct window *w, int modeline)
+{
+ int gutter = 0;
if (!NILP (w->hchild) || !NILP (w->vchild))
return 0;
return gutter;
}
+int
+window_right_gutter_width (struct window *w, int modeline)
+{
+ return window_right_window_gutter_width (w, modeline);
+}
+
+static int
+window_pixel_height (struct window* w)
+{
+ return WINDOW_HEIGHT (w);
+}
+
\f
DEFUN ("windowp", Fwindowp, 1, 1, 0, /*
Return t if OBJ is a window.
Use `window-height' to get consistent results in geometry calculations.
Use `window-displayed-height' to get the actual number of lines
currently displayed in a window.
+
+The names are somewhat confusing; here's a table to help out:
+
+ width height
+-------------------------------------------------------------------------
+w/o gutters
+ (rows/columns) window-width window-text-area-height
+ (pixels) window-text-area-pixel-width window-text-area-pixel-height
+
+with gutters
+ (rows/columns) window-full-width window-height
+ (pixels) window-pixel-width window-pixel-height
+
+actually displayed
+ (rows/columns) ---- window-displayed-height
+ (pixels) ---- window-displayed-text-pixel-height
*/
(window))
{
*/
(window))
{
- return make_int (decode_window (window)->pixel_height);
+ return make_int (window_pixel_height (decode_window (window)));
+}
+
+DEFUN ("window-text-area-height", Fwindow_text_area_height, 0, 1, 0, /*
+Return the number of default lines in the text area of WINDOW.
+This actually works by dividing the window's text area pixel height (i.e.
+excluding the modeline and horizontal scrollbar, if any) by the height of the
+default font; therefore, the number of displayed lines will probably
+be different.
+See also `window-height' and `window-displayed-height'.
+*/
+ (window))
+{
+ return make_int (window_char_height (decode_window (window), 0));
}
DEFUN ("window-text-area-pixel-height",
DEFUN ("window-width", Fwindow_width, 0, 1, 0, /*
Return the number of display columns in WINDOW.
-This is the width that is usable columns available for text in WINDOW.
+This is the width that is usable columns available for text in WINDOW,
+and does not include vertical scrollbars, dividers, or the like. See also
+`window-full-width' and `window-height'.
*/
(window))
{
return make_int (window_char_width (decode_window (window), 0));
}
+DEFUN ("window-full-width", Fwindow_full_width, 0, 1, 0, /*
+Return the total number of columns in WINDOW.
+This is like `window-width' but includes vertical scrollbars, dividers,
+etc.
+*/
+ (window))
+{
+ return make_int (window_char_width (decode_window (window), 1));
+}
+
DEFUN ("window-pixel-width", Fwindow_pixel_width, 0, 1, 0, /*
Return the width of WINDOW in pixels. Defaults to current window.
*/
DEFUN ("window-pixel-edges", Fwindow_pixel_edges, 0, 1, 0, /*
Return a list of the pixel edge coordinates of WINDOW.
\(LEFT TOP RIGHT BOTTOM), all relative to 0, 0 at top left corner of frame.
-The frame toolbars and menubars are considered to be outside of this area.
+The frame toolbars, menubars and gutters are considered to be outside of this area.
*/
(window))
{
struct window *w = decode_window (window);
- struct frame *f = XFRAME (w->frame);
- int left = w->pixel_left - FRAME_LEFT_BORDER_END (f);
- int top = w->pixel_top - FRAME_TOP_BORDER_END (f);
+ int left = w->pixel_left;
+ int top = w->pixel_top;
return list4 (make_int (left),
make_int (top),
}
}
+DEFUN ("window-last-line-visible-height", Fwindow_last_line_visible_height, 0, 1, 0, /*
+Return pixel height of visible part of last window line if it is clipped.
+If the last line is not clipped, return nil.
+*/
+ (window))
+{
+ struct window *w = decode_window (window);
+ display_line_dynarr *dla = window_display_lines (w, CURRENT_DISP);
+ int num_lines = Dynarr_length (dla);
+ struct display_line *dl;
+
+ /* No lines - no clipped lines */
+ if (num_lines == 0 || (num_lines == 1 && Dynarr_atp (dla, 0)->modeline))
+ return Qnil;
+
+ dl = Dynarr_atp (dla, num_lines - 1);
+ if (dl->clip == 0)
+ return Qnil;
+
+ return make_int (dl->ascent + dl->descent - dl->clip);
+}
+
DEFUN ("set-window-point", Fset_window_point, 2, 2, 0, /*
Make point value in WINDOW be at position POS in WINDOW's buffer.
*/
new_buffer = Fother_buffer (obj, Qnil, Qnil);
if (NILP (new_buffer))
new_buffer = Fget_buffer_create (QSscratch);
- Fset_window_buffer (w, new_buffer);
+ Fset_window_buffer (w, new_buffer, Qnil);
if (EQ (w, Fselected_window (Qnil)))
Fset_buffer (p->buffer);
}
/* Otherwise show a different buffer in the
window. */
p->dedicated = Qnil;
- Fset_window_buffer (w, another_buffer);
+ Fset_window_buffer (w, another_buffer, Qnil);
if (EQ (w, Fselected_window (Qnil)))
Fset_buffer (p->buffer);
}
window_min_height = MIN_SAFE_WINDOW_HEIGHT;
}
+static int
+frame_min_height (struct frame *frame)
+{
+ /* For height, we have to see whether the frame has a minibuffer, and
+ whether it wants a modeline. */
+ return (FRAME_MINIBUF_ONLY_P (frame) ? MIN_SAFE_WINDOW_HEIGHT - 1
+ : (! FRAME_HAS_MINIBUF_P (frame)) ? MIN_SAFE_WINDOW_HEIGHT
+ : 2 * MIN_SAFE_WINDOW_HEIGHT - 1);
+}
+
+/* Return non-zero if both frame sizes are less than or equal to
+ minimal allowed values. ROWS and COLS are in characters */
+int
+frame_size_valid_p (struct frame *frame, int rows, int cols)
+{
+ return (rows >= frame_min_height (frame)
+ && cols >= MIN_SAFE_WINDOW_WIDTH);
+}
+
+/* Return non-zero if both frame sizes are less than or equal to
+ minimal allowed values. WIDTH and HEIGHT are in pixels */
+int
+frame_pixsize_valid_p (struct frame *frame, int width, int height)
+{
+ int rows, cols;
+ pixel_to_real_char_size (frame, width, height, &cols, &rows);
+ return frame_size_valid_p (frame, rows, cols);
+}
+
/* If *ROWS or *COLS are too small a size for FRAME, set them to the
minimum allowable size. */
void
check_frame_size (struct frame *frame, int *rows, int *cols)
{
- /* For height, we have to see whether the frame has a minibuffer, and
- whether it wants a modeline. */
- int min_height =
- (FRAME_MINIBUF_ONLY_P (frame) ? MIN_SAFE_WINDOW_HEIGHT - 1
- : (! FRAME_HAS_MINIBUF_P (frame)) ? MIN_SAFE_WINDOW_HEIGHT
- : 2 * MIN_SAFE_WINDOW_HEIGHT - 1);
+ int min_height = frame_min_height (frame);
if (*rows < min_height)
*rows = min_height;
\f
static int window_select_count;
-DEFUN ("set-window-buffer", Fset_window_buffer, 2, 2, 0, /*
+DEFUN ("set-window-buffer", Fset_window_buffer, 2, 3, 0, /*
Make WINDOW display BUFFER as its contents.
BUFFER can be a buffer or buffer name.
+
+With non-nil optional argument `norecord', do not modify the
+global or per-frame buffer ordering.
*/
- (window, buffer))
+ (window, buffer, norecord))
{
Lisp_Object tem;
struct window *w = decode_window (window);
recompute_all_cached_specifiers_in_window (w);
if (EQ (window, Fselected_window (Qnil)))
{
+ if (NILP (norecord))
+ Frecord_buffer (buffer);
+
Fset_buffer (buffer);
}
return Qnil;
/* we have already caught dead-window errors */
if (!NILP (w->hchild) || !NILP (w->vchild))
error ("Trying to select non-leaf window");
-
+
w->use_time = make_int (++window_select_count);
+
if (EQ (window, old_selected_window))
return window;
p->line_start_cache = Dynarr_new (line_start_cache);
p->face_cachels = Dynarr_new (face_cachel);
p->glyph_cachels = Dynarr_new (glyph_cachel);
+ p->subwindow_instance_cache =
+ make_lisp_hash_table (10,
+ HASH_TABLE_KEY_WEAK,
+ HASH_TABLE_EQ);
/* Put new into window structure in place of window */
replace_window (window, new);
/* do this last (after the window is completely initialized and
the mirror-dirty flag is set) so that specifier recomputation
caused as a result of this will work properly and not abort. */
- Fset_window_buffer (new, o->buffer);
+ Fset_window_buffer (new, o->buffer, Qt);
return new;
}
\f
}
static int
-window_pixel_height (Lisp_Object window)
-{
- return WINDOW_HEIGHT (XWINDOW (window));
-}
-
-static int
window_pixel_height_to_char_height (struct window *w, int pixel_height,
int include_gutters_p)
{
avail_height = (pixel_height -
(include_gutters_p ? 0 :
- window_top_gutter_height (w) +
- window_bottom_gutter_height (w)));
+ window_top_window_gutter_height (w) +
+ window_bottom_window_gutter_height (w)));
default_face_height_and_width (window, &defheight, &defwidth);
avail_height = char_height * defheight;
pixel_height = (avail_height +
(include_gutters_p ? 0 :
- window_top_gutter_height (w) +
- window_bottom_gutter_height (w)));
+ window_top_window_gutter_height (w) +
+ window_bottom_window_gutter_height (w)));
/* It's the calling function's responsibility to check these values
and make sure they're not out of range.
/* Return number of default lines of text can fit in the window W.
If INCLUDE_GUTTERS_P is 1, include "gutter" space (modeline plus
horizontal scrollbar) in the space that is used for the calculation.
+ This doesn't include space used by the frame gutters.
*/
int
window_char_height (struct window *w, int include_gutters_p)
{
- return window_pixel_height_to_char_height (w, WINDOW_HEIGHT (w),
+ return window_pixel_height_to_char_height (w, window_pixel_height (w),
include_gutters_p);
}
return WINDOW_WIDTH (XWINDOW (window));
}
+/* Calculate the pixel of a window, optionally including margin space
+ but no vertical gutters. */
static int
window_pixel_width_to_char_width (struct window *w, int pixel_width,
int include_margins_p)
avail_width = char_width * defwidth;
pixel_width = (avail_width +
- window_left_gutter_width (w, 0) +
- window_right_gutter_width (w, 0) +
+ window_left_window_gutter_width (w, 0) +
+ window_right_window_gutter_width (w, 0) +
(include_margins_p ? 0 : window_left_margin_width (w)) +
(include_margins_p ? 0 : window_right_margin_width (w)));
(widthflag ? window_min_width : MINI_WINDOW_P (XWINDOW (window)) \
? 1 : window_min_height)
+static int
+window_pixheight (Lisp_Object w)
+{
+ return window_pixel_height (XWINDOW (w));
+}
+
/* Unlike set_window_pixheight, this function
also changes the heights of the siblings so as to
keep everything consistent. */
int *sizep;
int (*sizefun) (Lisp_Object) = (widthflag
? window_pixel_width
- : window_pixel_height);
+ : window_pixheight);
void (*setsizefun) (Lisp_Object, int, int) = (widthflag
? set_window_pixwidth
: set_window_pixheight);
if (INTP (Vwindow_pixel_scroll_increment))
fheight = XINT (Vwindow_pixel_scroll_increment);
- else if (!NILP (Vwindow_pixel_scroll_increment));
+ else if (!NILP (Vwindow_pixel_scroll_increment))
default_face_height_and_width (window, &fheight, &fwidth);
if (Dynarr_length (dla) >= 1)
w->start_at_line_beg = beginning_of_line_p (b, startp);
MARK_WINDOWS_CHANGED (w);
+ /* #### Scroll back by less than a line. This code was
+ originally for scrolling over large pixmaps and it
+ loses when a line being *exposed* at the top of the
+ window is bigger than the current one. However, for
+ pixel based scrolling in general we can guess that
+ the line we are going to display is probably the same
+ size as the one we are on. In that instance we can
+ have a reasonable stab at a suitable top clip. Fixing
+ this properly is hard (and probably slow) as we would
+ have to call redisplay to figure out the exposed line
+ size. */
+ if (!NILP (Vwindow_pixel_scroll_increment)
+ && Dynarr_length (dla) >= (1 + modeline)
+ && dl->ascent + fheight * value > 0)
+ {
+ WINDOW_TEXT_TOP_CLIP (w) = (dl->ascent + fheight * value);
+ }
+
if (!point_would_be_visible (w, startp, XINT (point)))
{
Bufpos new_point;
}
static size_t
-sizeof_window_config (CONST void *h)
+sizeof_window_config (const void *h)
{
- CONST struct window_config *c = (CONST struct window_config *) h;
+ const struct window_config *c = (const struct window_config *) h;
return sizeof_window_config_for_n_windows (c->saved_windows_count);
}
frame "sizes" maybe equal but the windows still should be
resized. This is tickled alot by the new "character size
stays constant" policy in 21.0. It leads to very wierd
- glitches (and possibly craches when asserts are tickled).
+ glitches (and possibly crashes when asserts are tickled).
Just changing the units doens't help because changing the
toolbar configuration can also change the pixel positions.
w->glyph_cachels = Dynarr_new (glyph_cachel);
if (!w->line_start_cache)
w->line_start_cache = Dynarr_new (line_start_cache);
+ w->gutter_extent_modiff[0] = 0;
+ w->gutter_extent_modiff[1] = 0;
+ w->gutter_extent_modiff[2] = 0;
+ w->gutter_extent_modiff[3] = 0;
w->dead = 0;
if (p->parent_index >= 0)
the restored current_window. */
if (f == selected_frame ())
{
+#if 0
/* When using `pop-window-configuration', often the minibuffer
ends up as the selected window even though it's not active ...
I really don't know the cause of this, but it should never
#### Find out why this is really going wrong. */
if (!minibuf_level &&
MINI_WINDOW_P (XWINDOW (config->current_window)))
- Fselect_window (Fnext_window (config->current_window,
- Qnil, Qnil, Qnil),
- Qnil);
+ window_to_select = Fnext_window (config->current_window,
+ Qnil, Qnil, Qnil);
else
- Fselect_window (config->current_window, Qnil);
+ window_to_select = config->current_window;
+#endif
+ /* Do this last so that buffer stacking is calculated
+ correctly. */
+ Fselect_window (config->current_window, Qnil);
+
if (!NILP (new_current_buffer))
- Fset_buffer (new_current_buffer);
+ {
+ Fset_buffer (new_current_buffer);
+ Frecord_buffer (new_current_buffer);
+ }
else
- Fset_buffer (XWINDOW (Fselected_window (Qnil))->buffer);
+ {
+ Fset_buffer (XWINDOW (config->current_window)->buffer);
+ Frecord_buffer (XWINDOW (config->current_window)->buffer);
+ }
}
else
set_frame_selected_window (f, config->current_window);
/*
config->frame_width = FRAME_WIDTH (f);
config->frame_height = FRAME_HEIGHT (f); */
- config->current_window = FRAME_SELECTED_WINDOW (f);
+ /* When using `push-window-configuration', often the minibuffer ends
+ up as the selected window because functions run as the result of
+ user interaction e.g. hyper-apropros. It seems to me the sensible
+ thing to do is not record the minibuffer here. */
+ if (FRAME_MINIBUF_ONLY_P (f) || minibuf_level)
+ config->current_window = FRAME_SELECTED_WINDOW (f);
+ else
+ config->current_window = FRAME_LAST_NONMINIBUF_WINDOW (f);
XSETBUFFER (config->current_buffer, current_buffer);
config->minibuffer_scroll_window = Vminibuffer_scroll_window;
config->root_window = FRAME_ROOT_WINDOW (f);
child = Fwindow_first_hchild (window);
for (i = level; i > 0; i--)
- putc ('\t', stderr);
+ stderr_out ("\t");
- fputs ("#<window", stderr);
+ stderr_out ("#<window");
{
Lisp_Object buffer = XWINDOW (window)->buffer;
if (!NILP (buffer) && BUFFERP (buffer))
- fprintf (stderr, " on %s", XSTRING_DATA (XBUFFER (buffer)->name));
+ stderr_out (" on %s", XSTRING_DATA (XBUFFER (buffer)->name));
}
- fprintf (stderr, " 0x%x>", XWINDOW (window)->header.uid);
+ stderr_out (" 0x%x>", XWINDOW (window)->header.uid);
while (!NILP (child))
{
void
syms_of_window (void)
{
+ INIT_LRECORD_IMPLEMENTATION (window);
+ INIT_LRECORD_IMPLEMENTATION (window_configuration);
+
defsymbol (&Qwindowp, "windowp");
defsymbol (&Qwindow_live_p, "window-live-p");
defsymbol (&Qwindow_configurationp, "window-configuration-p");
DEFSUBR (Fwindow_height);
DEFSUBR (Fwindow_displayed_height);
DEFSUBR (Fwindow_width);
+ DEFSUBR (Fwindow_full_width);
DEFSUBR (Fwindow_pixel_height);
DEFSUBR (Fwindow_pixel_width);
+ DEFSUBR (Fwindow_text_area_height);
DEFSUBR (Fwindow_text_area_pixel_height);
DEFSUBR (Fwindow_displayed_text_pixel_height);
DEFSUBR (Fwindow_text_area_pixel_width);
DEFSUBR (Fwindow_point);
DEFSUBR (Fwindow_start);
DEFSUBR (Fwindow_end);
+ DEFSUBR (Fwindow_last_line_visible_height);
DEFSUBR (Fset_window_point);
DEFSUBR (Fset_window_start);
DEFSUBR (Fwindow_dedicated_p);