/* Updating of data structures for redisplay.
-Copyright (C) 1985-1988, 1993-1995, 1997-2013 Free Software Foundation,
+Copyright (C) 1985-1988, 1993-1995, 1997-2014 Free Software Foundation,
Inc.
This file is part of GNU Emacs.
#include "process.h"
#include "syssignal.h"
+#include "tparam.h"
#ifdef HAVE_WINDOW_SYSTEM
#include TERM_HEADER
#include <fpending.h>
#include <timespec.h>
-#if defined (HAVE_TERM_H) && defined (GNU_LINUX)
-#include <term.h> /* for tgetent */
-#endif
-
#ifdef WINDOWSNT
#include "w32.h"
#endif
static void update_frame_line (struct frame *, int);
static int required_matrix_height (struct window *);
static int required_matrix_width (struct window *);
-static void change_frame_size_1 (struct frame *, int, int, bool, bool, bool);
+static void change_frame_size_1 (struct frame *, int, int, bool, bool, bool, bool);
static void increment_row_positions (struct glyph_row *, ptrdiff_t, ptrdiff_t);
-static void fill_up_frame_row_with_spaces (struct glyph_row *, int);
static void build_frame_matrix_from_window_tree (struct glyph_matrix *,
struct window *);
static void build_frame_matrix_from_leaf_window (struct glyph_matrix *,
static void mirror_line_dance (struct window *, int, int, int *, char *);
static bool update_window_tree (struct window *, bool);
static bool update_window (struct window *, bool);
-static bool update_frame_1 (struct frame *, bool, bool);
+static bool update_frame_1 (struct frame *, bool, bool, bool);
static bool scrolling (struct frame *);
static void set_window_cursor_after_update (struct window *);
static void adjust_frame_glyphs_for_window_redisplay (struct frame *);
static void adjust_frame_glyphs_for_frame_redisplay (struct frame *);
+static void set_window_update_flags (struct window *w, bool on_p);
/* True means last display completed. False means it was preempted. */
if (!marginal_areas_changed_p
&& !XFRAME (w->frame)->fonts_changed
&& !header_line_changed_p
- && matrix->window_left_col == WINDOW_LEFT_EDGE_COL (w)
- && matrix->window_top_line == WINDOW_TOP_EDGE_LINE (w)
+ && matrix->window_pixel_left == WINDOW_LEFT_PIXEL_EDGE (w)
+ && matrix->window_pixel_top == WINDOW_TOP_PIXEL_EDGE (w)
&& matrix->window_height == window_height
&& matrix->window_vscroll == w->vscroll
&& matrix->window_width == window_width)
&& !header_line_changed_p
&& new_rows == 0
&& dim.width == matrix->matrix_w
- && matrix->window_left_col == WINDOW_LEFT_EDGE_COL (w)
- && matrix->window_top_line == WINDOW_TOP_EDGE_LINE (w)
+ && matrix->window_pixel_left == WINDOW_LEFT_PIXEL_EDGE (w)
+ && matrix->window_pixel_top == WINDOW_TOP_PIXEL_EDGE (w)
&& matrix->window_width == window_width)
{
/* Find the last row in the window. */
w->window_end_valid = 0;
while (i < matrix->nrows)
- matrix->rows[i++].enabled_p = 0;
+ matrix->rows[i++].enabled_p = false;
}
else
{
for (i = 0; i < matrix->nrows; ++i)
- matrix->rows[i].enabled_p = 0;
+ matrix->rows[i].enabled_p = false;
}
}
else if (matrix == w->desired_matrix)
had better be the case when we adjust matrices between
redisplays. */
for (i = 0; i < matrix->nrows; ++i)
- matrix->rows[i].enabled_p = 0;
+ matrix->rows[i].enabled_p = false;
}
}
was last adjusted. This is used to optimize redisplay above. */
if (w)
{
- matrix->window_left_col = WINDOW_LEFT_EDGE_COL (w);
- matrix->window_top_line = WINDOW_TOP_EDGE_LINE (w);
+ matrix->window_pixel_left = WINDOW_LEFT_PIXEL_EDGE (w);
+ matrix->window_pixel_top = WINDOW_TOP_PIXEL_EDGE (w);
matrix->window_height = window_height;
matrix->window_width = window_width;
matrix->window_vscroll = w->vscroll;
eassert (end >= 0 && end <= matrix->nrows);
for (; start < end; ++start)
- matrix->rows[start].enabled_p = 0;
+ matrix->rows[start].enabled_p = false;
}
void
clear_glyph_row (struct glyph_row *row)
{
- const size_t off = offsetof (struct glyph_row, used);
+ enum { off = offsetof (struct glyph_row, used) };
- eassert (off == sizeof row->glyphs);
/* Zero everything except pointers in `glyphs'. */
- memset ((char *) row + off, 0, sizeof *row - off);
+ memset (row->used, 0, sizeof *row - off);
}
if (row->y + row->height > max_y)
row->visible_height -= row->y + row->height - max_y;
- row->enabled_p = 1;
+ row->enabled_p = true;
}
static void
copy_row_except_pointers (struct glyph_row *to, struct glyph_row *from)
{
- const size_t off = offsetof (struct glyph_row, x);
+ enum { off = offsetof (struct glyph_row, x) };
- eassert (off == sizeof to->glyphs + sizeof to->used + sizeof to->hash);
- memcpy ((char *) to + off, (char *) from + off, sizeof *to - off);
+ memcpy (&to->x, &from->x, sizeof *to - off);
}
bool rp = row->reversed_p;
clear_glyph_row (row);
- row->enabled_p = 1;
+ row->enabled_p = true;
row->reversed_p = rp;
}
}
-/* Return a hash code for glyph row ROW. */
+/* Return a hash code for glyph row ROW, which may
+ be from current or desired matrix of frame F. */
static int
-line_hash_code (struct glyph_row *row)
+line_hash_code (struct frame *f, struct glyph_row *row)
{
int hash = 0;
{
int c = glyph->u.ch;
int face_id = glyph->face_id;
- if (FRAME_MUST_WRITE_SPACES (SELECTED_FRAME ())) /* XXX Is SELECTED_FRAME OK here? */
+ if (FRAME_MUST_WRITE_SPACES (f))
c -= SPACEGLYPH;
hash = (((hash << 4) + (hash >> 24)) & 0x0fffffff) + c;
hash = (((hash << 4) + (hash >> 24)) & 0x0fffffff) + face_id;
}
-/* Return the cost of drawing line VPOS in MATRIX. The cost equals
- the number of characters in the line. If must_write_spaces is
- zero, leading and trailing spaces are ignored. */
+/* Return the cost of drawing line VPOS in MATRIX, which may
+ be current or desired matrix of frame F. The cost equals
+ the number of characters in the line. If must_write_spaces
+ is zero, leading and trailing spaces are ignored. */
static int
-line_draw_cost (struct glyph_matrix *matrix, int vpos)
+line_draw_cost (struct frame *f, struct glyph_matrix *matrix, int vpos)
{
struct glyph_row *row = matrix->rows + vpos;
struct glyph *beg = row->glyphs[TEXT_AREA];
ptrdiff_t glyph_table_len = GLYPH_TABLE_LENGTH;
/* Ignore trailing and leading spaces if we can. */
- if (!FRAME_MUST_WRITE_SPACES (SELECTED_FRAME ())) /* XXX Is SELECTED_FRAME OK here? */
+ if (!FRAME_MUST_WRITE_SPACES (f))
{
/* Skip from the end over trailing spaces. */
while (end > beg && CHAR_GLYPH_SPACE_P (*(end - 1)))
{
int ch_height = FRAME_SMALLEST_FONT_HEIGHT (f);
int window_pixel_height = window_box_height (w) + eabs (w->vscroll);
+
return (((window_pixel_height + ch_height - 1)
/ ch_height) * w->nrows_scale_factor
/* One partially visible line at the top and
if (FRAME_WINDOW_P (f))
{
int ch_width = FRAME_SMALLEST_CHAR_WIDTH (f);
- int window_pixel_width = WINDOW_TOTAL_WIDTH (w);
/* Compute number of glyphs needed in a glyph row. */
- return (((window_pixel_width + ch_width - 1)
+ return (((WINDOW_PIXEL_WIDTH (w) + ch_width - 1)
/ ch_width) * w->ncols_scale_factor
/* 2 partially visible columns in the text area. */
+ 2
struct glyph_row *from = f->current_matrix->rows + i;
struct glyph_row *to = saved->rows + i;
ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph);
+
to->glyphs[TEXT_AREA] = xmalloc (nbytes);
memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes);
to->used[TEXT_AREA] = from->used[TEXT_AREA];
+ to->enabled_p = from->enabled_p;
+ to->hash = from->hash;
+ if (from->used[LEFT_MARGIN_AREA])
+ {
+ nbytes = from->used[LEFT_MARGIN_AREA] * sizeof (struct glyph);
+ to->glyphs[LEFT_MARGIN_AREA] = xmalloc (nbytes);
+ memcpy (to->glyphs[LEFT_MARGIN_AREA],
+ from->glyphs[LEFT_MARGIN_AREA], nbytes);
+ to->used[LEFT_MARGIN_AREA] = from->used[LEFT_MARGIN_AREA];
+ }
+ if (from->used[RIGHT_MARGIN_AREA])
+ {
+ nbytes = from->used[RIGHT_MARGIN_AREA] * sizeof (struct glyph);
+ to->glyphs[RIGHT_MARGIN_AREA] = xmalloc (nbytes);
+ memcpy (to->glyphs[RIGHT_MARGIN_AREA],
+ from->glyphs[RIGHT_MARGIN_AREA], nbytes);
+ to->used[RIGHT_MARGIN_AREA] = from->used[RIGHT_MARGIN_AREA];
+ }
}
return saved;
struct glyph_row *from = saved->rows + i;
struct glyph_row *to = f->current_matrix->rows + i;
ptrdiff_t nbytes = from->used[TEXT_AREA] * sizeof (struct glyph);
+
memcpy (to->glyphs[TEXT_AREA], from->glyphs[TEXT_AREA], nbytes);
to->used[TEXT_AREA] = from->used[TEXT_AREA];
xfree (from->glyphs[TEXT_AREA]);
+ nbytes = from->used[LEFT_MARGIN_AREA] * sizeof (struct glyph);
+ if (nbytes)
+ {
+ memcpy (to->glyphs[LEFT_MARGIN_AREA],
+ from->glyphs[LEFT_MARGIN_AREA], nbytes);
+ to->used[LEFT_MARGIN_AREA] = from->used[LEFT_MARGIN_AREA];
+ xfree (from->glyphs[LEFT_MARGIN_AREA]);
+ }
+ else
+ to->used[LEFT_MARGIN_AREA] = 0;
+ nbytes = from->used[RIGHT_MARGIN_AREA] * sizeof (struct glyph);
+ if (nbytes)
+ {
+ memcpy (to->glyphs[RIGHT_MARGIN_AREA],
+ from->glyphs[RIGHT_MARGIN_AREA], nbytes);
+ to->used[RIGHT_MARGIN_AREA] = from->used[RIGHT_MARGIN_AREA];
+ xfree (from->glyphs[RIGHT_MARGIN_AREA]);
+ }
+ else
+ to->used[RIGHT_MARGIN_AREA] = 0;
}
xfree (saved->rows);
/* Size of frame matrices must equal size of frame. Note
that we are called for X frames with window widths NOT equal
to the frame width (from CHANGE_FRAME_SIZE_1). */
+ if (matrix_dim.width != FRAME_COLS (f)
+ || matrix_dim.height != FRAME_LINES (f))
+ return;
+
eassert (matrix_dim.width == FRAME_COLS (f)
&& matrix_dim.height == FRAME_LINES (f));
/* Set window dimensions to frame dimensions and allocate or
adjust glyph matrices of W. */
- w->top_line = 0;
+ w->pixel_left = 0;
w->left_col = 0;
- w->total_lines = FRAME_MENU_BAR_LINES (f);
+ w->pixel_top = 0;
+ w->top_line = 0;
+ w->pixel_width = (FRAME_PIXEL_WIDTH (f)
+ - 2 * FRAME_INTERNAL_BORDER_WIDTH (f));
w->total_cols = FRAME_TOTAL_COLS (f);
+ w->pixel_height = FRAME_MENU_BAR_HEIGHT (f);
+ w->total_lines = FRAME_MENU_BAR_LINES (f);
allocate_matrices_for_window_redisplay (w);
}
#endif
else
w = XWINDOW (f->tool_bar_window);
- w->top_line = FRAME_MENU_BAR_LINES (f);
+ w->pixel_left = 0;
w->left_col = 0;
- w->total_lines = FRAME_TOOL_BAR_LINES (f);
+ w->pixel_top = FRAME_MENU_BAR_HEIGHT (f);
+ w->top_line = FRAME_MENU_BAR_LINES (f);
+ w->pixel_width = (FRAME_PIXEL_WIDTH (f)
+ - 2 * FRAME_INTERNAL_BORDER_WIDTH (f));
w->total_cols = FRAME_TOTAL_COLS (f);
+ w->pixel_height = FRAME_TOOL_BAR_HEIGHT (f);
+ w->total_lines = FRAME_TOOL_BAR_LINES (f);
allocate_matrices_for_window_redisplay (w);
}
#endif
/* Only when a desired row has been displayed, we want
the corresponding frame row to be updated. */
- frame_row->enabled_p = 1;
+ frame_row->enabled_p = true;
/* Maybe insert a vertical border between horizontally adjacent
windows. */
/* Add spaces to the end of ROW in a frame matrix until index UPTO is
reached. In frame matrices only one area, TEXT_AREA, is used. */
-static void
+void
fill_up_frame_row_with_spaces (struct glyph_row *row, int upto)
{
int i = row->used[TEXT_AREA];
assign_row (current_row, desired_row);
/* Enable current_row to mark it as valid. */
- current_row->enabled_p = 1;
+ current_row->enabled_p = true;
current_row->mouse_face_p = mouse_face_p;
/* If we are called on frame matrices, perform analogous operations
assign_row (current_row, desired_row);
else
swap_glyph_pointers (desired_row, current_row);
- current_row->enabled_p = 1;
+ current_row->enabled_p = true;
/* Set the Y coordinate of the mode/header line's row.
It is needed in draw_row_with_mouse_face to find the
/* RETAINED_P is zero for empty lines. */
if (!retained_p[copy_from[i]])
- new_rows[i].enabled_p = 0;
+ new_rows[i].enabled_p = false;
}
/* Do the same for window matrices, if MATRIX is a frame matrix. */
/* If frame line is empty, window line is empty, too. */
if (!retained_p[copy_from[i]])
- m->rows[window_to].enabled_p = 0;
+ m->rows[window_to].enabled_p = false;
}
else if (to_inside_window_p)
{
/* If frame line is empty, window line is empty, too. */
if (!retained_p[copy_from[i]])
- m->rows[window_to].enabled_p = 0;
+ m->rows[window_to].enabled_p = false;
}
sync_p = 1;
}
/* Error if F has no glyphs. */
eassert (f->glyphs_initialized_p);
update_begin (f);
-#ifdef MSDOS
if (FRAME_MSDOS_P (f))
FRAME_TERMINAL (f)->set_terminal_modes_hook (FRAME_TERMINAL (f));
-#endif
clear_frame (f);
clear_current_matrices (f);
update_end (f);
- if (FRAME_TERMCAP_P (f))
- fflush (FRAME_TTY (f)->output);
- windows_or_buffers_changed++;
+ windows_or_buffers_changed = 13;
/* Mark all windows as inaccurate, so that every window will have
its redisplay done. */
mark_window_display_accurate (FRAME_ROOT_WINDOW (f), 0);
- set_window_update_flags (XWINDOW (FRAME_ROOT_WINDOW (f)), 1);
- f->garbaged = 0;
+ set_window_update_flags (XWINDOW (FRAME_ROOT_WINDOW (f)), true);
+ f->garbaged = false;
}
DEFUN ("redraw-frame", Fredraw_frame, Sredraw_frame, 0, 1, 0,
Lisp_Object tem;
update_window (w, 1);
- w->must_be_updated_p = 0;
+ w->must_be_updated_p = false;
/* Swap tool-bar strings. We swap because we want to
reuse strings. */
/* Update the display */
update_begin (f);
- paused_p = update_frame_1 (f, force_p, inhibit_hairy_id_p);
+ paused_p = update_frame_1 (f, force_p, inhibit_hairy_id_p, 1);
update_end (f);
if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f))
do_pause:
/* Reset flags indicating that a window should be updated. */
- set_window_update_flags (root_window, 0);
+ set_window_update_flags (root_window, false);
display_completed = !paused_p;
return paused_p;
}
+/* Update a TTY frame F that has a menu dropped down over some of its
+ glyphs. This is like the second part of update_frame, but it
+ doesn't call build_frame_matrix, because we already have the
+ desired matrix prepared, and don't want it to be overwritten by the
+ text of the normal display.
+
+ ROW and COL, if non-negative, are the row and column of the TTY
+ frame where to position the cursor after the frame update is
+ complete. Negative values mean ask update_frame_1 to position the
+ cursor "normally", i.e. at point in the selected window. */
+void
+update_frame_with_menu (struct frame *f, int row, int col)
+{
+ struct window *root_window = XWINDOW (f->root_window);
+ bool paused_p, cursor_at_point_p;
+
+ eassert (FRAME_TERMCAP_P (f));
+
+ /* We are working on frame matrix basis. Set the frame on whose
+ frame matrix we operate. */
+ set_frame_matrix_frame (f);
+
+ /* Update the display. */
+ update_begin (f);
+ cursor_at_point_p = !(row >= 0 && col >= 0);
+ /* Force update_frame_1 not to stop due to pending input, and not
+ try scrolling. */
+ paused_p = update_frame_1 (f, 1, 1, cursor_at_point_p);
+ /* ROW and COL tell us where in the menu to position the cursor, so
+ that screen readers know the active region on the screen. */
+ if (!cursor_at_point_p)
+ cursor_to (f, row, col);
+ update_end (f);
+
+ if (FRAME_TTY (f)->termscript)
+ fflush (FRAME_TTY (f)->termscript);
+ fflush (FRAME_TTY (f)->output);
+ /* Check window matrices for lost pointers. */
+#if GLYPH_DEBUG
+#if 0
+ /* We cannot possibly survive the matrix pointers check, since
+ we have overwritten parts of the frame glyph matrix without
+ making any updates to the window matrices. */
+ check_window_matrix_pointers (root_window);
+#endif
+ add_frame_display_history (f, paused_p);
+#endif
+
+ /* Reset flags indicating that a window should be updated. */
+ set_window_update_flags (root_window, false);
+ display_completed = !paused_p;
+}
\f
/************************************************************************
update_end (f);
/* Reset flag in W. */
- w->must_be_updated_p = 0;
+ w->must_be_updated_p = false;
}
}
in the first redisplay. */
if (MATRIX_ROW_BOTTOM_Y (row) >= yb)
for (i = vpos + 1; i < w->current_matrix->nrows - 1; ++i)
- MATRIX_ROW (w->current_matrix, i)->enabled_p = 0;
+ SET_MATRIX_ROW_ENABLED_P (w->current_matrix, i, false);
}
/* Was display preempted? */
}
-/* Set WINDOW->must_be_updated_p to ON_P for all windows in the window
- tree rooted at W. */
+/* Set WINDOW->must_be_updated_p to ON_P for all windows in
+ the window tree rooted at W. */
-void
+static void
set_window_update_flags (struct window *w, bool on_p)
{
while (w)
&& row_equal_p (c, d, 1))
{
assign_row (c, d);
- d->enabled_p = 0;
+ d->enabled_p = false;
}
else
break;
}
/* Give up if some rows in the desired matrix are not enabled. */
- if (!MATRIX_ROW (desired_matrix, i)->enabled_p)
+ if (! MATRIX_ROW_ENABLED_P (desired_matrix, i))
return -1;
first_old = first_new = i;
{
int bottom;
- if (!MATRIX_ROW (desired_matrix, i)->enabled_p)
+ if (! MATRIX_ROW_ENABLED_P (desired_matrix, i))
return 0;
bottom = MATRIX_ROW_BOTTOM_Y (MATRIX_ROW (desired_matrix, i));
if (bottom <= yb)
j = last_old;
while (i - 1 > first_new
&& j - 1 > first_old
- && MATRIX_ROW (current_matrix, j - 1)->enabled_p
+ && MATRIX_ROW_ENABLED_P (current_matrix, j - 1)
&& (MATRIX_ROW (current_matrix, j - 1)->y
== MATRIX_ROW (desired_matrix, i - 1)->y)
&& !MATRIX_ROW (desired_matrix, i - 1)->redraw_fringe_bitmaps_p
for (i = first_old; i < last_old; ++i)
{
- if (MATRIX_ROW (current_matrix, i)->enabled_p)
+ if (MATRIX_ROW_ENABLED_P (current_matrix, i))
{
entry = add_row_entry (MATRIX_ROW (current_matrix, i));
old_lines[i] = entry;
preceding for-loop, we no longer have such an overlap,
and thus the assigned row should always be enabled. */
eassert (to->enabled_p);
- from->enabled_p = 0;
+ from->enabled_p = false;
to->overlapped_p = to_overlapped_p;
}
}
/* Update the desired frame matrix of frame F.
FORCE_P means that the update should not be stopped by pending input.
- INHIBIT_HAIRY_ID_P means that scrolling should not be tried.
+ INHIBIT_ID_P means that scrolling by insert/delete should not be tried.
+ SET_CURSOR_P false means do not set cursor at point in selected window.
Value is true if update was stopped due to pending input. */
static bool
-update_frame_1 (struct frame *f, bool force_p, bool inhibit_id_p)
+update_frame_1 (struct frame *f, bool force_p, bool inhibit_id_p,
+ bool set_cursor_p)
{
/* Frame matrices to work on. */
struct glyph_matrix *current_matrix = f->current_matrix;
}
}
- assume (0 <= FRAME_LINES (f));
pause_p = 0 < i && i < FRAME_LINES (f) - 1;
/* Now just clean up termcap drivers and set cursor, etc. */
- if (!pause_p)
+ if (!pause_p && set_cursor_p)
{
if ((cursor_in_echo_area
/* If we are showing a message instead of the mini-buffer,
struct glyph_matrix *current_matrix = frame->current_matrix;
struct glyph_matrix *desired_matrix = frame->desired_matrix;
- if (!current_matrix)
- emacs_abort ();
+ eassert (current_matrix);
/* Compute hash codes of all the lines. Also calculate number of
changed lines, number of unchanged lines at the beginning, and
/* Give up on this scrolling if some old lines are not enabled. */
if (!MATRIX_ROW_ENABLED_P (current_matrix, i))
return 0;
- old_hash[i] = line_hash_code (MATRIX_ROW (current_matrix, i));
+ old_hash[i] = line_hash_code (frame, MATRIX_ROW (current_matrix, i));
if (! MATRIX_ROW_ENABLED_P (desired_matrix, i))
{
/* This line cannot be redrawn, so don't let scrolling mess it. */
}
else
{
- new_hash[i] = line_hash_code (MATRIX_ROW (desired_matrix, i));
- draw_cost[i] = line_draw_cost (desired_matrix, i);
+ new_hash[i] = line_hash_code (frame, MATRIX_ROW (desired_matrix, i));
+ draw_cost[i] = line_draw_cost (frame, desired_matrix, i);
}
if (old_hash[i] != new_hash[i])
}
else if (i == unchanged_at_top)
unchanged_at_top++;
- old_draw_cost[i] = line_draw_cost (current_matrix, i);
+ old_draw_cost[i] = line_draw_cost (frame, current_matrix, i);
}
/* If changed lines are few, don't allow preemption, don't scroll. */
olen--;
}
- current_row->enabled_p = 1;
+ current_row->enabled_p = true;
current_row->used[TEXT_AREA] = desired_row->used[TEXT_AREA];
/* If desired line is empty, just clear the line. */
if (area == RIGHT_MARGIN_AREA)
x0 = ((WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w)
? WINDOW_LEFT_FRINGE_WIDTH (w)
- : WINDOW_TOTAL_FRINGE_WIDTH (w))
+ : WINDOW_FRINGES_WIDTH (w))
+ window_box_width (w, LEFT_MARGIN_AREA)
+ window_box_width (w, TEXT_AREA));
else
/* Record the new sizes, but don't reallocate the data
structures now. Let that be done later outside of the
signal handler. */
- change_frame_size (XFRAME (frame), height, width, 0, 1, 0);
+ change_frame_size (XFRAME (frame), width, height, 0, 1, 0, 0);
}
}
}
{
struct frame *f = XFRAME (frame);
- if (f->new_text_lines != 0 || f->new_text_cols != 0)
- change_frame_size (f, f->new_text_lines, f->new_text_cols,
- 0, 0, safe);
+ if (f->new_height != 0 || f->new_width != 0)
+ change_frame_size (f, f->new_width, f->new_height,
+ 0, 0, safe, f->new_pixelwise);
}
}
}
-
/* Change the frame height and/or width. Values may be given as zero to
indicate no change is to take place.
+ new_height and new_width refer to the text portion of the frame. It
+ doesn't matter for new_height, since text and total portion are the
+ same in that case. But new_width must be enlarged to get the total
+ width of the frame.
+
If DELAY, assume we're being called from a signal handler, and
queue the change for later - perhaps the next redisplay.
Since this tries to resize windows, we can't call it
safe to change frame sizes while a redisplay is in progress. */
void
-change_frame_size (struct frame *f, int newheight, int newwidth,
- bool pretend, bool delay, bool safe)
+change_frame_size (struct frame *f, int new_width, int new_height,
+ bool pretend, bool delay, bool safe, bool pixelwise)
{
Lisp_Object tail, frame;
ttys. */
FOR_EACH_FRAME (tail, frame)
if (! FRAME_WINDOW_P (XFRAME (frame)))
- change_frame_size_1 (XFRAME (frame), newheight, newwidth,
- pretend, delay, safe);
+ change_frame_size_1 (XFRAME (frame), new_width, new_height,
+ pretend, delay, safe, pixelwise);
}
else
- change_frame_size_1 (f, newheight, newwidth, pretend, delay, safe);
+ change_frame_size_1 (f, new_width, new_height, pretend, delay, safe,
+ pixelwise);
}
static void
-change_frame_size_1 (struct frame *f, int newheight, int newwidth,
- bool pretend, bool delay, bool safe)
+change_frame_size_1 (struct frame *f, int new_width, int new_height,
+ bool pretend, bool delay, bool safe, bool pixelwise)
{
- int new_frame_total_cols;
- ptrdiff_t count = SPECPDL_INDEX ();
+ int new_text_width, new_text_height, new_root_width;
+ int old_root_width = WINDOW_PIXEL_WIDTH (XWINDOW (FRAME_ROOT_WINDOW (f)));
+ int new_cols, new_lines;
+ dynwind_begin ();
/* If we can't deal with the change now, queue it for later. */
if (delay || (redisplaying_p && !safe))
{
- f->new_text_lines = newheight;
- f->new_text_cols = newwidth;
+ f->new_width = new_width;
+ f->new_height = new_height;
+ f->new_pixelwise = pixelwise;
delayed_size_change = 1;
+ dynwind_end ();
return;
}
/* This size-change overrides any pending one for this frame. */
- f->new_text_lines = 0;
- f->new_text_cols = 0;
+ f->new_height = 0;
+ f->new_width = 0;
+ f->new_pixelwise = 0;
/* If an argument is zero, set it to the current value. */
- if (newheight == 0)
- newheight = FRAME_LINES (f);
- if (newwidth == 0)
- newwidth = FRAME_COLS (f);
+ if (pixelwise)
+ {
+ new_text_width = (new_width == 0) ? FRAME_TEXT_WIDTH (f) : new_width;
+ new_text_height = (new_height == 0) ? FRAME_TEXT_HEIGHT (f) : new_height;
+ /* Consider rounding here: Currently, the root window can be
+ larger than the frame in terms of columns/lines. */
+ new_cols = new_text_width / FRAME_COLUMN_WIDTH (f);
+ new_lines = new_text_height / FRAME_LINE_HEIGHT (f);
+ }
+ else
+ {
+ new_cols = (new_width == 0) ? FRAME_COLS (f) : new_width;
+ new_lines = (new_height == 0) ? FRAME_LINES (f) : new_height;
+ new_text_width = new_cols * FRAME_COLUMN_WIDTH (f);
+ new_text_height = new_lines * FRAME_LINE_HEIGHT (f);
+ }
/* Compute width of windows in F. */
/* Round up to the smallest acceptable size. */
- check_frame_size (f, &newheight, &newwidth);
-
- /* This is the width of the frame with vertical scroll bars and fringe
- columns. Do this after rounding - see discussion of bug#9723. */
- new_frame_total_cols = FRAME_TOTAL_COLS_ARG (f, newwidth);
-
+ check_frame_size (f, &new_text_width, &new_text_height, 1);
+
+ /* This is the width of the frame without vertical scroll bars and
+ fringe columns. Do this after rounding - see discussion of
+ bug#9723. */
+ new_root_width = (new_text_width
+ + FRAME_SCROLL_BAR_AREA_WIDTH (f)
+ + FRAME_TOTAL_FRINGE_WIDTH (f));
/* If we're not changing the frame size, quit now. */
/* Frame width may be unchanged but the text portion may change, for
example, fullscreen and remove/add scroll bar. */
- if (newheight == FRAME_LINES (f)
- /* Text portion unchanged? */
- && newwidth == FRAME_COLS (f)
- /* Frame width unchanged? */
- && new_frame_total_cols == FRAME_TOTAL_COLS (f))
- return;
+ if (new_text_height == FRAME_TEXT_HEIGHT (f)
+ && new_text_width == FRAME_TEXT_WIDTH (f)
+ && new_root_width == old_root_width
+ && (FRAME_PIXEL_HEIGHT (f) ==
+ FRAME_TEXT_TO_PIXEL_HEIGHT (f, new_text_height))
+ && (FRAME_PIXEL_WIDTH (f) ==
+ FRAME_TEXT_TO_PIXEL_WIDTH (f, new_text_width)))
+ {
+ dynwind_end ();
+ return;
+ }
block_input ();
/* We only can set screen dimensions to certain values supported
by our video hardware. Try to find the smallest size greater
or equal to the requested dimensions. */
- dos_set_window_size (&newheight, &newwidth);
+ dos_set_window_size (&new_lines, &new_cols);
#endif
- if (newheight != FRAME_LINES (f))
+ if (new_text_height != FRAME_TEXT_HEIGHT (f))
{
- resize_frame_windows (f, newheight, 0);
+ resize_frame_windows (f, new_text_height, 0, 1);
/* MSDOS frames cannot PRETEND, as they change frame size by
manipulating video hardware. */
if ((FRAME_TERMCAP_P (f) && !pretend) || FRAME_MSDOS_P (f))
- FrameRows (FRAME_TTY (f)) = newheight;
+ FrameRows (FRAME_TTY (f)) = new_lines;
}
- if (new_frame_total_cols != FRAME_TOTAL_COLS (f))
+ if (new_text_width != FRAME_TEXT_WIDTH (f)
+ || new_root_width != old_root_width)
{
- resize_frame_windows (f, new_frame_total_cols, 1);
+ resize_frame_windows (f, new_root_width, 1, 1);
/* MSDOS frames cannot PRETEND, as they change frame size by
manipulating video hardware. */
if ((FRAME_TERMCAP_P (f) && !pretend) || FRAME_MSDOS_P (f))
- FrameCols (FRAME_TTY (f)) = newwidth;
+ FrameCols (FRAME_TTY (f)) = new_cols;
#if defined (HAVE_WINDOW_SYSTEM) && ! defined (USE_GTK) && ! defined (HAVE_NS)
if (WINDOWP (f->tool_bar_window))
- XWINDOW (f->tool_bar_window)->total_cols = newwidth;
+ {
+ XWINDOW (f->tool_bar_window)->total_cols = new_cols;
+ XWINDOW (f->tool_bar_window)->pixel_width = new_root_width;
+ }
#endif
}
- FRAME_LINES (f) = newheight;
- SET_FRAME_COLS (f, newwidth);
+ SET_FRAME_COLS (f, new_cols);
+ FRAME_LINES (f) = new_lines;
+ FRAME_TEXT_WIDTH (f) = new_text_width;
+ FRAME_TEXT_HEIGHT (f) = new_text_height;
+ FRAME_PIXEL_WIDTH (f) = FRAME_TEXT_TO_PIXEL_WIDTH (f, new_text_width);
+ FRAME_PIXEL_HEIGHT (f) = FRAME_TEXT_TO_PIXEL_HEIGHT (f, new_text_height);
{
struct window *w = XWINDOW (FRAME_SELECTED_WINDOW (f));
run_window_configuration_change_hook (f);
- unbind_to (count, Qnil);
+ dynwind_end ();
}
-
-
\f
/***********************************************************************
Terminal Related Lisp Functions
|| !NILP (Vexecuting_kbd_macro))
return Qnil;
- count = SPECPDL_INDEX ();
+ dynwind_begin ();
if (!NILP (force) && !redisplay_dont_pause)
specbind (Qredisplay_dont_pause, Qt);
redisplay_preserve_echo_area (2);
- unbind_to (count, Qnil);
+ dynwind_end ();
return Qt;
}
#endif
t->display_info.tty->top_frame = selected_frame;
change_frame_size (XFRAME (selected_frame),
- FrameRows (t->display_info.tty),
- FrameCols (t->display_info.tty), 0, 0, 1);
+ FrameCols (t->display_info.tty),
+ FrameRows (t->display_info.tty), 0, 0, 1, 0);
/* Delete the initial terminal. */
if (--initial_terminal->reference_count == 0
void
syms_of_display (void)
{
- defsubr (&Sredraw_frame);
- defsubr (&Sredraw_display);
- defsubr (&Sframe_or_buffer_changed_p);
- defsubr (&Sopen_termscript);
- defsubr (&Sding);
- defsubr (&Sredisplay);
- defsubr (&Ssleep_for);
- defsubr (&Ssend_string_to_terminal);
- defsubr (&Sinternal_show_cursor);
- defsubr (&Sinternal_show_cursor_p);
-
-#ifdef GLYPH_DEBUG
- defsubr (&Sdump_redisplay_history);
-#endif
+#include "dispnew.x"
frame_and_buffer_state = Fmake_vector (make_number (20), Qlambda);
staticpro (&frame_and_buffer_state);
HCoop / bpt / emacs.git / blobdiff