#include "nsterm.h"
#endif
-Lisp_Object Qwindowp, Qwindow_live_p, Qwindow_configuration_p;
-Lisp_Object Qdisplay_buffer;
-Lisp_Object Qscroll_up, Qscroll_down, Qscroll_command;
-Lisp_Object Qwindow_size_fixed;
+Lisp_Object Qwindowp, Qwindow_live_p;
+static Lisp_Object Qwindow_configuration_p;
+static Lisp_Object Qdisplay_buffer;
+static Lisp_Object Qscroll_up, Qscroll_down, Qscroll_command;
+static Lisp_Object Qwindow_size_fixed;
static int displayed_window_lines (struct window *);
static struct window *decode_window (Lisp_Object);
This value is always the same as
FRAME_SELECTED_WINDOW (selected_frame). */
-
Lisp_Object selected_window;
/* A list of all windows for use by next_window and Fwindow_list.
Functions creating or deleting windows should invalidate this cache
by setting it to nil. */
-
Lisp_Object Vwindow_list;
/* The mini-buffer window of the selected frame.
Note that you cannot test for mini-bufferness of an arbitrary window
by comparing against this; but you can test for mini-bufferness of
the selected window. */
-
Lisp_Object minibuf_window;
/* Non-nil means it is the window whose mode line should be
shown as the selected window when the minibuffer is selected. */
-
Lisp_Object minibuf_selected_window;
/* Hook run at end of temp_output_buffer_show. */
-
-Lisp_Object Qtemp_buffer_show_hook;
+static Lisp_Object Qtemp_buffer_show_hook;
/* Incremented for each window created. */
-
static int sequence_number;
/* Nonzero after init_window_once has finished. */
-
static int window_initialized;
/* Hook to run when window config changes. */
-
static Lisp_Object Qwindow_configuration_change_hook;
-/* Incremented by 1 whenever a window is deleted. */
-int window_deletion_count;
+/* Incremented by 1 whenever a window is deleted. */
+static int window_deletion_count;
/* Used by the function window_scroll_pixel_based */
-
static int window_scroll_pixel_based_preserve_x;
static int window_scroll_pixel_based_preserve_y;
/* Same for window_scroll_line_based. */
-
static int window_scroll_preserve_hpos;
static int window_scroll_preserve_vpos;
+\f
+static struct window *
+decode_window (register Lisp_Object window)
+{
+ if (NILP (window))
+ return XWINDOW (selected_window);
-#if 0 /* This isn't used anywhere. */
-/* Nonzero means we can split a frame even if it is "unsplittable". */
-static int inhibit_frame_unsplittable;
-#endif
+ CHECK_LIVE_WINDOW (window);
+ return XWINDOW (window);
+}
+
+static struct window *
+decode_any_window (register Lisp_Object window)
+{
+ if (NILP (window))
+ return XWINDOW (selected_window);
+
+ CHECK_WINDOW (window);
+ return XWINDOW (window);
+}
-\f
DEFUN ("windowp", Fwindowp, Swindowp, 1, 1, 0,
- doc: /* Return t if OBJECT is a window. */)
+ doc: /* Return t if OBJECT is a window and nil otherwise. */)
(Lisp_Object object)
{
return WINDOWP (object) ? Qt : Qnil;
}
DEFUN ("window-live-p", Fwindow_live_p, Swindow_live_p, 1, 1, 0,
- doc: /* Return t if OBJECT is a window which is currently visible. */)
+ doc: /* Return t if OBJECT is a live window and nil otherwise.
+A live window is a window that displays a buffer. */)
(Lisp_Object object)
{
return WINDOW_LIVE_P (object) ? Qt : Qnil;
}
+\f
+/* Frames and windows. */
+DEFUN ("window-frame", Fwindow_frame, Swindow_frame, 1, 1, 0,
+ doc: /* Return the frame that window WINDOW is on.
+WINDOW can be any window and defaults to the selected one. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->frame;
+}
+
+DEFUN ("frame-root-window", Fframe_root_window, Sframe_root_window, 0, 1, 0,
+ doc: /* Return the root window of FRAME_OR_WINDOW.
+If omitted, FRAME_OR_WINDOW defaults to the currently selected frame.
+Else if FRAME_OR_WINDOW denotes any window, return the root window of
+that window's frame. If FRAME_OR_WINDOW denotes a live frame, return
+the root window of that frame. */)
+ (Lisp_Object frame_or_window)
+{
+ Lisp_Object window;
+
+ if (NILP (frame_or_window))
+ window = SELECTED_FRAME ()->root_window;
+ else if (WINDOWP (frame_or_window))
+ window = XFRAME (WINDOW_FRAME (XWINDOW (frame_or_window)))->root_window;
+ else
+ {
+ CHECK_LIVE_FRAME (frame_or_window);
+ window = XFRAME (frame_or_window)->root_window;
+ }
+
+ return window;
+}
+
+DEFUN ("minibuffer-window", Fminibuffer_window, Sminibuffer_window, 0, 1, 0,
+ doc: /* Return the window used now for minibuffers.
+If the optional argument FRAME is specified, return the minibuffer window
+used by that frame. */)
+ (Lisp_Object frame)
+{
+ if (NILP (frame))
+ frame = selected_frame;
+ CHECK_LIVE_FRAME (frame);
+ return FRAME_MINIBUF_WINDOW (XFRAME (frame));
+}
+
+DEFUN ("window-minibuffer-p", Fwindow_minibuffer_p,
+ Swindow_minibuffer_p, 0, 1, 0,
+ doc: /* Return non-nil if WINDOW is a minibuffer window.
+WINDOW can be any window and defaults to the selected one. */)
+ (Lisp_Object window)
+{
+ return MINI_WINDOW_P (decode_any_window (window)) ? Qt : Qnil;
+}
+
+/* Don't move this to window.el - this must be a safe routine. */
+DEFUN ("frame-first-window", Fframe_first_window, Sframe_first_window, 0, 1, 0,
+ doc: /* Return the topmost, leftmost live window on FRAME_OR_WINDOW.
+If omitted, FRAME_OR_WINDOW defaults to the currently selected frame.
+Else if FRAME_OR_WINDOW denotes any window, return the first window of
+that window's frame. If FRAME_OR_WINDOW denotes a live frame, return
+the first window of that frame. */)
+ (Lisp_Object frame_or_window)
+{
+ Lisp_Object window;
+
+ if (NILP (frame_or_window))
+ window = SELECTED_FRAME ()->root_window;
+ else if (WINDOWP (frame_or_window))
+ window = XFRAME (WINDOW_FRAME (XWINDOW (frame_or_window)))->root_window;
+ else
+ {
+ CHECK_LIVE_FRAME (frame_or_window);
+ window = XFRAME (frame_or_window)->root_window;
+ }
+
+ while (NILP (XWINDOW (window)->buffer))
+ {
+ if (! NILP (XWINDOW (window)->hchild))
+ window = XWINDOW (window)->hchild;
+ else if (! NILP (XWINDOW (window)->vchild))
+ window = XWINDOW (window)->vchild;
+ else
+ abort ();
+ }
+
+ return window;
+}
+
+DEFUN ("frame-selected-window", Fframe_selected_window,
+ Sframe_selected_window, 0, 1, 0,
+ doc: /* Return the selected window of FRAME_OR_WINDOW.
+If omitted, FRAME_OR_WINDOW defaults to the currently selected frame.
+Else if FRAME_OR_WINDOW denotes any window, return the selected window
+of that window's frame. If FRAME_OR_WINDOW denotes a live frame, return
+the selected window of that frame. */)
+ (Lisp_Object frame_or_window)
+{
+ Lisp_Object window;
+
+ if (NILP (frame_or_window))
+ window = SELECTED_FRAME ()->selected_window;
+ else if (WINDOWP (frame_or_window))
+ window = XFRAME (WINDOW_FRAME (XWINDOW (frame_or_window)))->selected_window;
+ else
+ {
+ CHECK_LIVE_FRAME (frame_or_window);
+ window = XFRAME (frame_or_window)->selected_window;
+ }
+
+ return window;
+}
+
+DEFUN ("set-frame-selected-window", Fset_frame_selected_window,
+ Sset_frame_selected_window, 2, 3, 0,
+ doc: /* Set selected window of FRAME to WINDOW.
+FRAME must be a live frame and defaults to the selected one. If FRAME
+is the selected frame, this makes WINDOW the selected window. Optional
+argument NORECORD non-nil means to neither change the order of recently
+selected windows nor the buffer list. WINDOW must denote a live window.
+Return WINDOW. */)
+ (Lisp_Object frame, Lisp_Object window, Lisp_Object norecord)
+{
+ if (NILP (frame))
+ frame = selected_frame;
+
+ CHECK_LIVE_FRAME (frame);
+ CHECK_LIVE_WINDOW (window);
+
+ if (! EQ (frame, WINDOW_FRAME (XWINDOW (window))))
+ error ("In `set-frame-selected-window', WINDOW is not on FRAME");
+
+ if (EQ (frame, selected_frame))
+ return Fselect_window (window, norecord);
+ else
+ return XFRAME (frame)->selected_window = window;
+}
+
+DEFUN ("selected-window", Fselected_window, Sselected_window, 0, 0, 0,
+ doc: /* Return the selected window.
+The selected window is the window in which the standard cursor for
+selected windows appears and to which many commands apply. */)
+ (void)
+{
+ return selected_window;
+}
+
+/* If select_window is called with inhibit_point_swap non-zero it will
+ not store point of the old selected window's buffer back into that
+ window's pointm slot. This is needed by Fset_window_configuration to
+ avoid that the display routine is called with selected_window set to
+ Qnil causing a subsequent crash. */
+static Lisp_Object
+select_window (Lisp_Object window, Lisp_Object norecord, int inhibit_point_swap)
+{
+ register struct window *w;
+ register struct window *ow;
+ struct frame *sf;
+
+ CHECK_LIVE_WINDOW (window);
+
+ w = XWINDOW (window);
+ w->frozen_window_start_p = 0;
+
+ if (NILP (norecord))
+ {
+ ++window_select_count;
+ XSETFASTINT (w->use_time, window_select_count);
+ record_buffer (w->buffer);
+ }
+
+ if (EQ (window, selected_window) && !inhibit_point_swap)
+ return window;
+
+ sf = SELECTED_FRAME ();
+ if (XFRAME (WINDOW_FRAME (w)) != sf)
+ {
+ XFRAME (WINDOW_FRAME (w))->selected_window = window;
+ /* Use this rather than Fhandle_switch_frame
+ so that FRAME_FOCUS_FRAME is moved appropriately as we
+ move around in the state where a minibuffer in a separate
+ frame is active. */
+ Fselect_frame (WINDOW_FRAME (w), norecord);
+ /* Fselect_frame called us back so we've done all the work already. */
+ eassert (EQ (window, selected_window));
+ return window;
+ }
+ else
+ sf->selected_window = window;
+
+ /* Store the current buffer's actual point into the
+ old selected window. It belongs to that window,
+ and when the window is not selected, must be in the window. */
+ if (!inhibit_point_swap)
+ {
+ ow = XWINDOW (selected_window);
+ if (! NILP (ow->buffer))
+ set_marker_both (ow->pointm, ow->buffer,
+ BUF_PT (XBUFFER (ow->buffer)),
+ BUF_PT_BYTE (XBUFFER (ow->buffer)));
+ }
+
+ selected_window = window;
+
+ Fset_buffer (w->buffer);
+
+ BVAR (XBUFFER (w->buffer), last_selected_window) = window;
+
+ /* Go to the point recorded in the window.
+ This is important when the buffer is in more
+ than one window. It also matters when
+ redisplay_window has altered point after scrolling,
+ because it makes the change only in the window. */
+ {
+ register EMACS_INT new_point = marker_position (w->pointm);
+ if (new_point < BEGV)
+ SET_PT (BEGV);
+ else if (new_point > ZV)
+ SET_PT (ZV);
+ else
+ SET_PT (new_point);
+ }
+
+ windows_or_buffers_changed++;
+ return window;
+}
+
+DEFUN ("select-window", Fselect_window, Sselect_window, 1, 2, 0,
+ doc: /* Select WINDOW. Most editing will apply to WINDOW's buffer.
+Also make WINDOW's buffer current and make WINDOW the frame's selected
+window. Return WINDOW.
+
+Optional second arg NORECORD non-nil means do not put this buffer at the
+front of the buffer list and do not make this window the most recently
+selected one.
+Note that the main editor command loop sets the current buffer to the
+buffer of the selected window before each command. */)
+ (register Lisp_Object window, Lisp_Object norecord)
+{
+ return select_window (window, norecord, 0);
+}
+\f
+DEFUN ("window-buffer", Fwindow_buffer, Swindow_buffer, 0, 1, 0,
+ doc: /* Return the buffer that WINDOW is displaying.
+WINDOW can be any window and defaults to the selected one.
+If WINDOW is an internal window return nil. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->buffer;
+}
+
+DEFUN ("window-parent", Fwindow_parent, Swindow_parent, 0, 1, 0,
+ doc: /* Return WINDOW's parent window.
+WINDOW can be any window and defaults to the selected one.
+Return nil if WINDOW has no parent. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->parent;
+}
+
+DEFUN ("window-vchild", Fwindow_vchild, Swindow_vchild, 0, 1, 0,
+ doc: /* Return WINDOW's first vertical child window.
+WINDOW can be any window and defaults to the selected one.
+Return nil if WINDOW has no vertical child. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->vchild;
+}
+
+DEFUN ("window-hchild", Fwindow_hchild, Swindow_hchild, 0, 1, 0,
+ doc: /* Return WINDOW's first horizontal child window.
+WINDOW can be any window and defaults to the selected one.
+Return nil if WINDOW has no horizontal child. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->hchild;
+}
+
+DEFUN ("window-next", Fwindow_next, Swindow_next, 0, 1, 0,
+ doc: /* Return WINDOW's right sibling window.
+WINDOW can be any window and defaults to the selected one.
+Return nil if WINDOW has no right sibling. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->next;
+}
+
+DEFUN ("window-prev", Fwindow_prev, Swindow_prev, 0, 1, 0,
+ doc: /* Return WINDOW's left sibling window.
+WINDOW can be any window and defaults to the selected one.
+Return nil if WINDOW has no left sibling. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->prev;
+}
+\f
Lisp_Object
make_window (void)
{
return val;
}
-DEFUN ("selected-window", Fselected_window, Sselected_window, 0, 0, 0,
- doc: /* Return the window that the cursor now appears in and commands apply to. */)
- (void)
-{
- return selected_window;
-}
-
-DEFUN ("minibuffer-window", Fminibuffer_window, Sminibuffer_window, 0, 1, 0,
- doc: /* Return the window used now for minibuffers.
-If the optional argument FRAME is specified, return the minibuffer window
-used by that frame. */)
- (Lisp_Object frame)
-{
- if (NILP (frame))
- frame = selected_frame;
- CHECK_LIVE_FRAME (frame);
- return FRAME_MINIBUF_WINDOW (XFRAME (frame));
-}
-
-DEFUN ("window-minibuffer-p", Fwindow_minibuffer_p, Swindow_minibuffer_p, 0, 1, 0,
- doc: /* Return non-nil if WINDOW is a minibuffer window.
-WINDOW defaults to the selected window. */)
- (Lisp_Object window)
-{
- struct window *w = decode_window (window);
- return MINI_WINDOW_P (w) ? Qt : Qnil;
-}
-
-
DEFUN ("pos-visible-in-window-p", Fpos_visible_in_window_p,
Spos_visible_in_window_p, 0, 3, 0,
doc: /* Return non-nil if position POS is currently on the frame in WINDOW.
make_number (row->y),
make_number (crop));
}
+\f
+DEFUN ("window-total-size", Fwindow_total_size, Swindow_total_size, 0, 2, 0,
+ doc: /* Return the total number of lines of WINDOW.
+WINDOW can be any window and defaults to the selected one. The return
+value includes WINDOW's mode line and header line, if any. If WINDOW
+is internal, the return value is the sum of the total number of lines
+of WINDOW's child windows if these are vertically combined and the
+height of WINDOW's first child otherwise.
+
+Optional argument HORIZONTAL non-nil means return the total number of
+columns of WINDOW. In this case the return value includes any vertical
+dividers or scrollbars of WINDOW. If WINDOW is internal, the return
+value is the sum of the total number of columns of WINDOW's child
+windows if they are horizontally combined and the width of WINDOW's
+first child otherwise. */)
+ (Lisp_Object window, Lisp_Object horizontal)
+{
+ if (NILP (horizontal))
+ return decode_any_window (window)->total_lines;
+ else
+ return decode_any_window (window)->total_cols;
+}
+DEFUN ("window-left-column", Fwindow_left_column, Swindow_left_column, 0, 1, 0,
+ doc: /* Return left column of WINDOW.
+WINDOW can be any window and defaults to the selected one. */)
+ (Lisp_Object window)
+{
+ return decode_any_window (window)->left_col;
+}
-\f
-static struct window *
-decode_window (register Lisp_Object window)
+DEFUN ("window-top-line", Fwindow_top_line, Swindow_top_line, 0, 1, 0,
+ doc: /* Return top line of WINDOW.
+WINDOW can be any window and defaults to the selected one. */)
+ (Lisp_Object window)
{
- if (NILP (window))
- return XWINDOW (selected_window);
+ return decode_any_window (window)->top_line;
+}
- CHECK_LIVE_WINDOW (window);
- return XWINDOW (window);
+/* Return the number of lines of W's body. Don't count any mode or
+ header line of W. */
+
+int
+window_body_lines (struct window *w)
+{
+ int height = XFASTINT (w->total_lines);
+
+ if (!MINI_WINDOW_P (w))
+ {
+ if (WINDOW_WANTS_MODELINE_P (w))
+ --height;
+ if (WINDOW_WANTS_HEADER_LINE_P (w))
+ --height;
+ }
+
+ return height;
}
-static struct window *
-decode_any_window (register Lisp_Object window)
+/* Return the number of columns of W's body. Don't count columns
+ occupied by the scroll bar or the vertical bar separating W from its
+ right sibling. On window-systems don't count fringes or display
+ margins either. */
+
+int
+window_body_cols (struct window *w)
{
- if (NILP (window))
- return XWINDOW (selected_window);
+ struct frame *f = XFRAME (WINDOW_FRAME (w));
+ int width = XINT (w->total_cols);
- CHECK_WINDOW (window);
- return XWINDOW (window);
+ if (WINDOW_HAS_VERTICAL_SCROLL_BAR (w))
+ /* Scroll bars occupy a few columns. */
+ width -= WINDOW_CONFIG_SCROLL_BAR_COLS (w);
+ else if (!FRAME_WINDOW_P (f)
+ && !WINDOW_RIGHTMOST_P (w) && !WINDOW_FULL_WIDTH_P (w))
+ /* The column of `|' characters separating side-by-side windows
+ occupies one column only. */
+ width -= 1;
+
+ if (FRAME_WINDOW_P (f))
+ /* On window-systems, fringes and display margins cannot be
+ used for normal text. */
+ width -= (WINDOW_FRINGE_COLS (w)
+ + WINDOW_LEFT_MARGIN_COLS (w)
+ + WINDOW_RIGHT_MARGIN_COLS (w));
+
+ return width;
}
-DEFUN ("window-buffer", Fwindow_buffer, Swindow_buffer, 0, 1, 0,
- doc: /* Return the buffer that WINDOW is displaying.
-WINDOW defaults to the selected window. */)
- (Lisp_Object window)
+DEFUN ("window-body-size", Fwindow_body_size, Swindow_body_size, 0, 2, 0,
+ doc: /* Return the number of lines of WINDOW's body.
+WINDOW must be a live window and defaults to the selected one. The
+return value does not include WINDOW's mode line and header line, if
+any.
+
+Optional argument HORIZONTAL non-nil means return the number of columns
+of WINDOW's body. In this case, the return value does not include any
+vertical dividers or scroll bars owned by WINDOW. On a window-system
+the return value does not include the number of columns used for
+WINDOW's fringes or display margins either. */)
+ (Lisp_Object window, Lisp_Object horizontal)
{
- return decode_window (window)->buffer;
+ struct window *w = decode_any_window (window);
+
+ if (NILP (horizontal))
+ return make_number (window_body_lines (w));
+ else
+ return make_number (window_body_cols (w));
}
DEFUN ("window-height", Fwindow_height, Swindow_height, 0, 1, 0,
(let ((edges (window-edges))) (- (nth 2 edges) (nth 0 edges))). */)
(Lisp_Object window)
{
- return make_number (window_box_text_cols (decode_any_window (window)));
+ return make_number (window_body_cols (decode_any_window (window)));
}
DEFUN ("window-full-width-p", Fwindow_full_width_p, Swindow_full_width_p, 0, 1, 0,
}
+DEFUN ("window-list-1", Fwindow_list_1, Swindow_list_1, 0, 3, 0,
+ doc: /* Return a list of all live windows.
+WINDOW specifies the first window to list and defaults to the selected
+window.
+
+Optional argument MINIBUF nil or omitted means consider the minibuffer
+window only if the minibuffer is active. MINIBUF t means consider the
+minibuffer window even if the minibuffer is not active. Any other value
+means do not consider the minibuffer window even if the minibuffer is
+active.
+
+Optional argument ALL-FRAMES nil or omitted means consider all windows
+on WINDOW's frame, plus the minibuffer window if specified by the
+MINIBUF argument. If the minibuffer counts, consider all windows on all
+frames that share that minibuffer too. The following non-nil values of
+ALL-FRAMES have special meanings:
+
+- t means consider all windows on all existing frames.
+
+- `visible' means consider all windows on all visible frames.
+
+- 0 (the number zero) means consider all windows on all visible and
+ iconified frames.
+
+- A frame means consider all windows on that frame only.
+
+Anything else means consider all windows on WINDOW's frame and no
+others.
+
+If WINDOW is not on the list of windows returned, some other window will
+be listed first but no error is signalled. */)
+ (Lisp_Object window, Lisp_Object minibuf, Lisp_Object all_frames)
+{
+ return window_list_1 (window, minibuf, all_frames);
+}
+
+
DEFUN ("other-window", Fother_window, Sother_window, 1, 2, "p",
doc: /* Select another window in cyclic ordering of windows.
COUNT specifies the number of windows to skip, starting with the
}
-DEFUN ("window-list", Fwindow_list, Swindow_list, 0, 3, 0,
- doc: /* Return a list of windows on FRAME, starting with WINDOW.
-FRAME nil or omitted means use the selected frame.
-WINDOW nil or omitted means use the selected window.
-MINIBUF t means include the minibuffer window, even if it isn't active.
-MINIBUF nil or omitted means include the minibuffer window only
-if it's active.
-MINIBUF neither nil nor t means never include the minibuffer window. */)
- (Lisp_Object frame, Lisp_Object minibuf, Lisp_Object window)
-{
- if (NILP (window))
- window = FRAMEP (frame) ? XFRAME (frame)->selected_window : selected_window;
- CHECK_WINDOW (window);
- if (NILP (frame))
- frame = selected_frame;
-
- if (!EQ (frame, XWINDOW (window)->frame))
- error ("Window is on a different frame");
-
- return window_list_1 (window, minibuf, frame);
-}
-
-
/* Return a list of windows in cyclic ordering. Arguments are like
for `next-window'. */
}
+DEFUN ("window-list", Fwindow_list, Swindow_list, 0, 3, 0,
+ doc: /* Return a list of windows on FRAME, starting with WINDOW.
+FRAME nil or omitted means use the selected frame.
+WINDOW nil or omitted means use the selected window.
+MINIBUF t means include the minibuffer window, even if it isn't active.
+MINIBUF nil or omitted means include the minibuffer window only
+if it's active.
+MINIBUF neither nil nor t means never include the minibuffer window. */)
+ (Lisp_Object frame, Lisp_Object minibuf, Lisp_Object window)
+{
+ if (NILP (window))
+ window = FRAMEP (frame) ? XFRAME (frame)->selected_window : selected_window;
+ CHECK_WINDOW (window);
+ if (NILP (frame))
+ frame = selected_frame;
+
+ if (!EQ (frame, XWINDOW (window)->frame))
+ error ("Window is on a different frame");
+
+ return window_list_1 (window, minibuf, frame);
+}
+
+
\f
/* Look at all windows, performing an operation specified by TYPE
with argument OBJ.
/* Used for debugging. Abort if any window has a dead buffer. */
+extern void check_all_windows (void) EXTERNALLY_VISIBLE;
void
check_all_windows (void)
{
while (total_shrink > total_removed)
{
int nonzero_sizes = 0;
- int nonzero_idx = -1;
for (i = 0; i < nchildren; ++i)
if (new_sizes[i] > 0)
- {
- ++nonzero_sizes;
- nonzero_idx = i;
- }
+ ++nonzero_sizes;
for (i = 0; i < nchildren; ++i)
if (new_sizes[i] > min_sizes[i])
Lisp_Object last_child;
int child_size;
- for (child = *forward; !NILP (child); child = c->next)
+ child = *forward;
+ do
{
c = XWINDOW (child);
last_child = child;
+ child = c->next;
}
+ while (!NILP (child));
child_size = WINDOW_TOTAL_SIZE (c, width_p);
size_window (last_child, size - old_size + child_size,
\f
int window_select_count;
-EXFUN (Fset_window_fringes, 4);
-EXFUN (Fset_window_scroll_bars, 4);
+static Lisp_Object Fset_window_margins (Lisp_Object, Lisp_Object, Lisp_Object);
+static Lisp_Object Fset_window_fringes (Lisp_Object, Lisp_Object, Lisp_Object,
+ Lisp_Object);
+static Lisp_Object Fset_window_scroll_bars (Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object);
+static Lisp_Object Fset_window_vscroll (Lisp_Object, Lisp_Object, Lisp_Object);
static void
run_funs (Lisp_Object funs)
return Qnil;
}
-/* If select_window is called with inhibit_point_swap non-zero it will
- not store point of the old selected window's buffer back into that
- window's pointm slot. This is needed by Fset_window_configuration to
- avoid that the display routine is called with selected_window set to
- Qnil causing a subsequent crash. */
-
-static Lisp_Object
-select_window (Lisp_Object window, Lisp_Object norecord, int inhibit_point_swap)
-{
- register struct window *w;
- register struct window *ow;
- struct frame *sf;
-
- CHECK_LIVE_WINDOW (window);
-
- w = XWINDOW (window);
- w->frozen_window_start_p = 0;
-
- if (NILP (norecord))
- {
- ++window_select_count;
- XSETFASTINT (w->use_time, window_select_count);
- record_buffer (w->buffer);
- }
-
- if (EQ (window, selected_window) && !inhibit_point_swap)
- return window;
-
- sf = SELECTED_FRAME ();
- if (XFRAME (WINDOW_FRAME (w)) != sf)
- {
- XFRAME (WINDOW_FRAME (w))->selected_window = window;
- /* Use this rather than Fhandle_switch_frame
- so that FRAME_FOCUS_FRAME is moved appropriately as we
- move around in the state where a minibuffer in a separate
- frame is active. */
- Fselect_frame (WINDOW_FRAME (w), norecord);
- /* Fselect_frame called us back so we've done all the work already. */
- eassert (EQ (window, selected_window));
- return window;
- }
- else
- sf->selected_window = window;
-
- /* Store the current buffer's actual point into the
- old selected window. It belongs to that window,
- and when the window is not selected, must be in the window. */
- if (!inhibit_point_swap)
- {
- ow = XWINDOW (selected_window);
- if (! NILP (ow->buffer))
- set_marker_both (ow->pointm, ow->buffer,
- BUF_PT (XBUFFER (ow->buffer)),
- BUF_PT_BYTE (XBUFFER (ow->buffer)));
- }
-
- selected_window = window;
-
- Fset_buffer (w->buffer);
-
- BVAR (XBUFFER (w->buffer), last_selected_window) = window;
-
- /* Go to the point recorded in the window.
- This is important when the buffer is in more
- than one window. It also matters when
- redisplay_window has altered point after scrolling,
- because it makes the change only in the window. */
- {
- register EMACS_INT new_point = marker_position (w->pointm);
- if (new_point < BEGV)
- SET_PT (BEGV);
- else if (new_point > ZV)
- SET_PT (ZV);
- else
- SET_PT (new_point);
- }
-
- windows_or_buffers_changed++;
- return window;
-}
-
-
-/* Note that selected_window can be nil when this is called from
- Fset_window_configuration. */
-
-DEFUN ("select-window", Fselect_window, Sselect_window, 1, 2, 0,
- doc: /* Select WINDOW. Most editing will apply to WINDOW's buffer.
-If WINDOW is not already selected, make WINDOW's buffer current
-and make WINDOW the frame's selected window. Return WINDOW.
-Optional second arg NORECORD non-nil means do not put this buffer
-at the front of the list of recently selected ones and do not
-make this window the most recently selected one.
-
-Note that the main editor command loop selects the buffer of the
-selected window before each command. */)
- (register Lisp_Object window, Lisp_Object norecord)
-{
- return select_window (window, norecord, 0);
-}
-
static Lisp_Object
select_window_norecord (Lisp_Object window)
{
BEGV = BEG;
ZV = Z;
SET_PT (BEG);
-#if 0 /* rms: there should be no reason for this. */
- XBUFFER (buf)->prevent_redisplay_optimizations_p = 1;
-#endif
set_buffer_internal (old);
if (!NILP (Vtemp_buffer_show_function))
/* Run temp-buffer-show-hook, with the chosen window selected
and its buffer current. */
-
- if (!NILP (Vrun_hooks)
- && !NILP (Fboundp (Qtemp_buffer_show_hook))
- && !NILP (Fsymbol_value (Qtemp_buffer_show_hook)))
- {
- int count = SPECPDL_INDEX ();
- Lisp_Object prev_window, prev_buffer;
- prev_window = selected_window;
- XSETBUFFER (prev_buffer, old);
-
- /* Select the window that was chosen, for running the hook.
- Note: Both Fselect_window and select_window_norecord may
- set-buffer to the buffer displayed in the window,
- so we need to save the current buffer. --stef */
- record_unwind_protect (Fset_buffer, prev_buffer);
- record_unwind_protect (select_window_norecord, prev_window);
- Fselect_window (window, Qt);
- Fset_buffer (w->buffer);
- call1 (Vrun_hooks, Qtemp_buffer_show_hook);
- unbind_to (count, Qnil);
- }
+ {
+ int count = SPECPDL_INDEX ();
+ Lisp_Object prev_window, prev_buffer;
+ prev_window = selected_window;
+ XSETBUFFER (prev_buffer, old);
+
+ /* Select the window that was chosen, for running the hook.
+ Note: Both Fselect_window and select_window_norecord may
+ set-buffer to the buffer displayed in the window,
+ so we need to save the current buffer. --stef */
+ record_unwind_protect (Fset_buffer, prev_buffer);
+ record_unwind_protect (select_window_norecord, prev_window);
+ Fselect_window (window, Qt);
+ Fset_buffer (w->buffer);
+ Frun_hooks (1, &Qtemp_buffer_show_hook);
+ unbind_to (count, Qnil);
+ }
}
}
+
+DEFUN ("internal-temp-output-buffer-show",
+ Ftemp_output_buffer_show, Stemp_output_buffer_show,
+ 1, 1, 0,
+ doc: /* Internal function for `with-output-to-temp-buffer''. */)
+ (Lisp_Object buf)
+{
+ temp_output_buffer_show (buf);
+ return Qnil;
+}
\f
static void
make_dummy_parent (Lisp_Object window)
error ("Window height %d too small (after splitting)", size_int);
if (size_int + window_safe_height > XFASTINT (o->total_lines))
error ("Window height %d too small (after splitting)",
- XFASTINT (o->total_lines) - size_int);
+ (int) (XFASTINT (o->total_lines) - size_int));
if (NILP (o->parent)
|| NILP (XWINDOW (o->parent)->vchild))
{
error ("Window width %d too small (after splitting)", size_int);
if (size_int + window_safe_width > XFASTINT (o->total_cols))
error ("Window width %d too small (after splitting)",
- XFASTINT (o->total_cols) - size_int);
+ (int) (XFASTINT (o->total_cols) - size_int));
if (NILP (o->parent)
|| NILP (XWINDOW (o->parent)->hchild))
{
return ht;
}
-
-
-/* Return the number of columns in W.
- Don't count columns occupied by scroll bars or the vertical bar
- separating W from the sibling to its right. */
-
-int
-window_box_text_cols (struct window *w)
-{
- struct frame *f = XFRAME (WINDOW_FRAME (w));
- int width = XINT (w->total_cols);
-
- if (WINDOW_HAS_VERTICAL_SCROLL_BAR (w))
- /* Scroll bars occupy a few columns. */
- width -= WINDOW_CONFIG_SCROLL_BAR_COLS (w);
- else if (!FRAME_WINDOW_P (f)
- && !WINDOW_RIGHTMOST_P (w) && !WINDOW_FULL_WIDTH_P (w))
- /* The column of `|' characters separating side-by-side windows
- occupies one column only. */
- width -= 1;
-
- if (FRAME_WINDOW_P (f))
- /* On window-systems, fringes and display margins cannot be
- used for normal text. */
- width -= (WINDOW_FRINGE_COLS (w)
- + WINDOW_LEFT_MARGIN_COLS (w)
- + WINDOW_RIGHT_MARGIN_COLS (w));
-
- return width;
-}
-
\f
/************************************************************************
Window Scrolling
looking at an image that is taller that the window height. */
while (start_pos == IT_CHARPOS (it)
&& start_pos > BEGV)
- move_it_by_lines (&it, -1, 1);
+ move_it_by_lines (&it, -1);
}
else if (dy > 0)
{
looking at an image that is taller that the window height. */
while (start_pos == IT_CHARPOS (it)
&& start_pos < ZV)
- move_it_by_lines (&it, 1, 1);
+ move_it_by_lines (&it, 1);
}
}
else
- move_it_by_lines (&it, n, 1);
+ move_it_by_lines (&it, n);
/* We failed if we find ZV is already on the screen (scrolling up,
means there's nothing past the end), or if we can't start any
while (it.current_y < this_scroll_margin)
{
int prev = it.current_y;
- move_it_by_lines (&it, 1, 1);
+ move_it_by_lines (&it, 1);
if (prev == it.current_y)
break;
}
partial_p = it.current_y + it.ascent + it.descent > it.last_visible_y;
else
{
- move_it_by_lines (&it, 1, 1);
+ move_it_by_lines (&it, 1);
partial_p = it.current_y > it.last_visible_y;
}
/* The last line was only partially visible, so back up two
lines to make sure we're on a fully visible line. */
{
- move_it_by_lines (&it, -2, 0);
+ move_it_by_lines (&it, -2);
SET_PT_BOTH (IT_CHARPOS (it), IT_BYTEPOS (it));
}
else
window_scroll_line_based (Lisp_Object window, int n, int whole, int noerror)
{
register struct window *w = XWINDOW (window);
- register EMACS_INT opoint = PT, opoint_byte = PT_BYTE;
+ /* Fvertical_motion enters redisplay, which can trigger
+ fontification, which in turn can modify buffer text (e.g., if the
+ fontification functions replace escape sequences with faces, as
+ in `grep-mode-font-lock-keywords'). So we use a marker to record
+ the old point position, to prevent crashes in SET_PT_BOTH. */
+ Lisp_Object opoint_marker = Fpoint_marker ();
register EMACS_INT pos, pos_byte;
register int ht = window_internal_height (w);
register Lisp_Object tem;
pos = PT;
pos_byte = PT_BYTE;
bolp = Fbolp ();
- SET_PT_BOTH (opoint, opoint_byte);
+ SET_PT_BOTH (marker_position (opoint_marker),
+ marker_byte_position (opoint_marker));
if (lose)
{
else
top_margin = pos;
- if (top_margin <= opoint)
- SET_PT_BOTH (opoint, opoint_byte);
+ if (top_margin <= marker_position (opoint_marker))
+ SET_PT_BOTH (marker_position (opoint_marker),
+ marker_byte_position (opoint_marker));
else if (!NILP (Vscroll_preserve_screen_position))
{
SET_PT_BOTH (pos, pos_byte);
else
bottom_margin = PT + 1;
- if (bottom_margin > opoint)
- SET_PT_BOTH (opoint, opoint_byte);
+ if (bottom_margin > marker_position (opoint_marker))
+ SET_PT_BOTH (marker_position (opoint_marker),
+ marker_byte_position (opoint_marker));
else
{
if (!NILP (Vscroll_preserve_screen_position))
struct window *w = XWINDOW (selected_window);
if (NILP (arg))
- XSETFASTINT (arg, window_box_text_cols (w) - 2);
+ XSETFASTINT (arg, window_body_cols (w) - 2);
else
arg = Fprefix_numeric_value (arg);
struct window *w = XWINDOW (selected_window);
if (NILP (arg))
- XSETFASTINT (arg, window_box_text_cols (w) - 2);
+ XSETFASTINT (arg, window_body_cols (w) - 2);
else
arg = Fprefix_numeric_value (arg);
start_display (&it, w, pt);
/* Be sure we have the exact height of the full line containing PT. */
- move_it_by_lines (&it, 0, 1);
+ move_it_by_lines (&it, 0);
/* The amount of pixels we have to move back is the window
height minus what's displayed in the line containing PT,
and the lines below. */
it.current_y = 0;
it.vpos = 0;
- move_it_by_lines (&it, nlines, 1);
+ move_it_by_lines (&it, nlines);
if (it.vpos == nlines)
h -= it.current_y;
*/
h += extra_line_spacing;
while (-it.current_y > h)
- move_it_by_lines (&it, 1, 1);
+ move_it_by_lines (&it, 1);
charpos = IT_CHARPOS (it);
bytepos = IT_BYTEPOS (it);
struct save_window_data
{
- EMACS_UINT size;
- struct Lisp_Vector *next_from_Lisp_Vector_struct;
+ struct vectorlike_header header;
Lisp_Object selected_frame;
Lisp_Object current_window;
Lisp_Object current_buffer;
/* This is saved as a Lisp_Vector */
struct saved_window
{
- /* these first two must agree with struct Lisp_Vector in lisp.h */
- EMACS_UINT size;
- struct Lisp_Vector *next_from_Lisp_Vector_struct;
-
+ struct vectorlike_header header;
Lisp_Object window;
Lisp_Object buffer, start, pointm, mark;
Lisp_Object left_col, top_line, total_cols, total_lines;
dead. */
delete_all_subwindows (XWINDOW (FRAME_ROOT_WINDOW (f)));
- for (k = 0; k < saved_windows->size; k++)
+ for (k = 0; k < saved_windows->header.size; k++)
{
p = SAVED_WINDOW_N (saved_windows, k);
w = XWINDOW (p->window);
return (tem);
}
-DEFUN ("save-window-excursion", Fsave_window_excursion, Ssave_window_excursion,
- 0, UNEVALLED, 0,
- doc: /* Execute BODY, preserving window sizes and contents.
-Return the value of the last form in BODY.
-Restore which buffer appears in which window, where display starts,
-and the value of point and mark for each window.
-Also restore the choice of selected window.
-Also restore which buffer is current.
-Does not restore the value of point in current buffer.
-usage: (save-window-excursion BODY...) */)
- (Lisp_Object args)
-{
- register Lisp_Object val;
- register int count = SPECPDL_INDEX ();
-
- record_unwind_protect (Fset_window_configuration,
- Fcurrent_window_configuration (Qnil));
- val = Fprogn (args);
- return unbind_to (count, val);
-}
-
-
\f
/***********************************************************************
Window Split Tree
Scroll bars
***********************************************************************/
-DEFUN ("set-window-scroll-bars", Fset_window_scroll_bars, Sset_window_scroll_bars,
- 2, 4, 0,
+DEFUN ("set-window-scroll-bars", Fset_window_scroll_bars,
+ Sset_window_scroll_bars, 2, 4, 0,
doc: /* Set width and type of scroll bars of window WINDOW.
If window is nil, set scroll bars of the currently selected window.
Second parameter WIDTH specifies the pixel width for the scroll bar;
return 0;
/* Verify that the two confis have the same number of windows. */
- if (sw1->size != sw2->size)
+ if (sw1->header.size != sw2->header.size)
return 0;
- for (i = 0; i < sw1->size; i++)
+ for (i = 0; i < sw1->header.size; i++)
{
struct saved_window *p1, *p2;
int w1_is_current, w2_is_current;
defsubr (&Swindow_minibuffer_p);
defsubr (&Swindowp);
defsubr (&Swindow_live_p);
+ defsubr (&Swindow_frame);
+ defsubr (&Sframe_root_window);
+ defsubr (&Sframe_first_window);
+ defsubr (&Sframe_selected_window);
+ defsubr (&Sset_frame_selected_window);
defsubr (&Spos_visible_in_window_p);
defsubr (&Swindow_line_height);
defsubr (&Swindow_buffer);
+ defsubr (&Swindow_parent);
+ defsubr (&Swindow_vchild);
+ defsubr (&Swindow_hchild);
+ defsubr (&Swindow_next);
+ defsubr (&Swindow_prev);
+ defsubr (&Swindow_use_time);
+ defsubr (&Swindow_top_line);
+ defsubr (&Swindow_left_column);
+ defsubr (&Swindow_total_size);
+ defsubr (&Swindow_body_size);
defsubr (&Swindow_height);
defsubr (&Swindow_width);
defsubr (&Swindow_full_width_p);
defsubr (&Sprevious_window);
defsubr (&Sother_window);
defsubr (&Sget_lru_window);
- defsubr (&Swindow_use_time);
defsubr (&Sget_largest_window);
defsubr (&Sget_buffer_window);
defsubr (&Sdelete_other_windows);
defsubr (&Sset_window_buffer);
defsubr (&Sselect_window);
defsubr (&Sforce_window_update);
+ defsubr (&Stemp_output_buffer_show);
defsubr (&Ssplit_window);
defsubr (&Senlarge_window);
defsubr (&Sshrink_window);
defsubr (&Swindow_configuration_frame);
defsubr (&Sset_window_configuration);
defsubr (&Scurrent_window_configuration);
- defsubr (&Ssave_window_excursion);
defsubr (&Swindow_tree);
defsubr (&Sset_window_margins);
defsubr (&Swindow_margins);
defsubr (&Sset_window_vscroll);
defsubr (&Scompare_window_configurations);
defsubr (&Swindow_list);
+ defsubr (&Swindow_list_1);
defsubr (&Swindow_parameters);
defsubr (&Swindow_parameter);
defsubr (&Sset_window_parameter);
-
}
void
HCoop / bpt / emacs.git / blobdiff