int portion;
Lisp_Object window;
struct window *w;
+ Cursor cursor = None;
+ struct buffer *b;
/* When a menu is active, don't highlight because this looks odd. */
#ifdef USE_X_TOOLKIT
return;
}
+ /* Mouse is on the mode or header line? */
if (portion == 1 || portion == 3)
{
- /* Mouse is on the mode or top line. */
note_mode_line_highlight (w, x, portion == 1);
return;
}
- else if (portion == 2)
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->horizontal_drag_cursor);
+
+ if (portion == 2)
+ cursor = f->output_data.x->horizontal_drag_cursor;
else
- XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
- f->output_data.x->text_cursor);
+ cursor = f->output_data.x->text_cursor;
/* Are we in a window whose display is up to date?
And verify the buffer's text has not changed. */
+ b = XBUFFER (w->buffer);
if (/* Within text portion of the window. */
portion == 0
&& EQ (w->window_end_valid, w->buffer)
- && XFASTINT (w->last_modified) == BUF_MODIFF (XBUFFER (w->buffer))
- && (XFASTINT (w->last_overlay_modified)
- == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer))))
+ && XFASTINT (w->last_modified) == BUF_MODIFF (b)
+ && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b))
{
int hpos, vpos, pos, i, area;
struct glyph *glyph;
Lisp_Object object;
+ Lisp_Object mouse_face = Qnil, overlay = Qnil, position;
+ Lisp_Object *overlay_vec = NULL;
+ int len, noverlays;
+ struct buffer *obuf;
+ int obegv, ozv, same_region;
/* Find the glyph under X/Y. */
glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area, 0);
if (!STRINGP (object) && !BUFFERP (object))
return;
- {
- Lisp_Object mouse_face = Qnil, overlay = Qnil, position;
- Lisp_Object *overlay_vec = NULL;
- int len, noverlays;
- struct buffer *obuf;
- int obegv, ozv;
-
- /* If we get an out-of-range value, return now; avoid an error. */
- if (BUFFERP (object) && pos > BUF_Z (XBUFFER (w->buffer)))
- return;
+ /* If we get an out-of-range value, return now; avoid an error. */
+ if (BUFFERP (object) && pos > BUF_Z (b))
+ return;
- /* Make the window's buffer temporarily current for
- overlays_at and compute_char_face. */
- obuf = current_buffer;
- current_buffer = XBUFFER (w->buffer);
- obegv = BEGV;
- ozv = ZV;
- BEGV = BEG;
- ZV = Z;
+ /* Make the window's buffer temporarily current for
+ overlays_at and compute_char_face. */
+ obuf = current_buffer;
+ current_buffer = b;
+ obegv = BEGV;
+ ozv = ZV;
+ BEGV = BEG;
+ ZV = Z;
- /* Is this char mouse-active or does it have help-echo? */
- position = make_number (pos);
+ /* Is this char mouse-active or does it have help-echo? */
+ position = make_number (pos);
- if (BUFFERP (object))
- {
- /* Put all the overlays we want in a vector in overlay_vec.
- Store the length in len. If there are more than 10, make
- enough space for all, and try again. */
- len = 10;
- overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
- noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL, 0);
- if (noverlays > len)
- {
- len = noverlays;
- overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
- noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL,0);
- }
+ if (BUFFERP (object))
+ {
+ /* Put all the overlays we want in a vector in overlay_vec.
+ Store the length in len. If there are more than 10, make
+ enough space for all, and try again. */
+ len = 10;
+ overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
+ noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL, 0);
+ if (noverlays > len)
+ {
+ len = noverlays;
+ overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object));
+ noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL,0);
+ }
- /* Sort overlays into increasing priority order. */
- noverlays = sort_overlays (overlay_vec, noverlays, w);
- }
- else
- noverlays = 0;
-
- /* Check mouse-face highlighting. */
- if (! (EQ (window, dpyinfo->mouse_face_window)
- && vpos >= dpyinfo->mouse_face_beg_row
- && vpos <= dpyinfo->mouse_face_end_row
- && (vpos > dpyinfo->mouse_face_beg_row
- || hpos >= dpyinfo->mouse_face_beg_col)
- && (vpos < dpyinfo->mouse_face_end_row
- || hpos < dpyinfo->mouse_face_end_col
- || dpyinfo->mouse_face_past_end))
- /* If there exists an overlay with mouse-face overlapping
- the one we are currently highlighting, we have to
- check if we enter the overlapping overlay, and then
- highlight only that. */
- || (OVERLAYP (dpyinfo->mouse_face_overlay)
- && mouse_face_overlay_overlaps (dpyinfo->mouse_face_overlay)))
-
- {
- /* Clear the display of the old active region, if any. */
- clear_mouse_face (dpyinfo);
+ /* Sort overlays into increasing priority order. */
+ noverlays = sort_overlays (overlay_vec, noverlays, w);
+ }
+ else
+ noverlays = 0;
+
+ same_region = (EQ (window, dpyinfo->mouse_face_window)
+ && vpos >= dpyinfo->mouse_face_beg_row
+ && vpos <= dpyinfo->mouse_face_end_row
+ && (vpos > dpyinfo->mouse_face_beg_row
+ || hpos >= dpyinfo->mouse_face_beg_col)
+ && (vpos < dpyinfo->mouse_face_end_row
+ || hpos < dpyinfo->mouse_face_end_col
+ || dpyinfo->mouse_face_past_end));
+
+ if (same_region)
+ cursor = None;
+
+ /* Check mouse-face highlighting. */
+ if (! same_region
+ /* If there exists an overlay with mouse-face overlapping
+ the one we are currently highlighting, we have to
+ check if we enter the overlapping overlay, and then
+ highlight only that. */
+ || (OVERLAYP (dpyinfo->mouse_face_overlay)
+ && mouse_face_overlay_overlaps (dpyinfo->mouse_face_overlay)))
+ {
+ /* Clear the display of the old active region, if any. */
+ clear_mouse_face (dpyinfo);
+ cursor = None;
- /* Find the highest priority overlay that has a mouse-face
- property. */
- overlay = Qnil;
- for (i = noverlays - 1; i >= 0 && NILP (overlay); --i)
- {
- mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face);
- if (!NILP (mouse_face))
- overlay = overlay_vec[i];
- }
- dpyinfo->mouse_face_overlay = overlay;
+ /* Find the highest priority overlay that has a mouse-face
+ property. */
+ overlay = Qnil;
+ for (i = noverlays - 1; i >= 0 && NILP (overlay); --i)
+ {
+ mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face);
+ if (!NILP (mouse_face))
+ overlay = overlay_vec[i];
+ }
+ dpyinfo->mouse_face_overlay = overlay;
- /* If no overlay applies, get a text property. */
- if (NILP (overlay))
- mouse_face = Fget_text_property (position, Qmouse_face, object);
+ /* If no overlay applies, get a text property. */
+ if (NILP (overlay))
+ mouse_face = Fget_text_property (position, Qmouse_face, object);
- /* Handle the overlay case. */
- if (!NILP (overlay))
- {
- /* Find the range of text around this char that
- should be active. */
- Lisp_Object before, after;
- int ignore;
-
- before = Foverlay_start (overlay);
- after = Foverlay_end (overlay);
- /* Record this as the current active region. */
- fast_find_position (w, XFASTINT (before),
- &dpyinfo->mouse_face_beg_col,
- &dpyinfo->mouse_face_beg_row,
- &dpyinfo->mouse_face_beg_x,
- &dpyinfo->mouse_face_beg_y);
- dpyinfo->mouse_face_past_end
- = !fast_find_position (w, XFASTINT (after),
- &dpyinfo->mouse_face_end_col,
- &dpyinfo->mouse_face_end_row,
- &dpyinfo->mouse_face_end_x,
- &dpyinfo->mouse_face_end_y);
- dpyinfo->mouse_face_window = window;
+ /* Handle the overlay case. */
+ if (!NILP (overlay))
+ {
+ /* Find the range of text around this char that
+ should be active. */
+ Lisp_Object before, after;
+ int ignore;
+
+ before = Foverlay_start (overlay);
+ after = Foverlay_end (overlay);
+ /* Record this as the current active region. */
+ fast_find_position (w, XFASTINT (before),
+ &dpyinfo->mouse_face_beg_col,
+ &dpyinfo->mouse_face_beg_row,
+ &dpyinfo->mouse_face_beg_x,
+ &dpyinfo->mouse_face_beg_y);
+ dpyinfo->mouse_face_past_end
+ = !fast_find_position (w, XFASTINT (after),
+ &dpyinfo->mouse_face_end_col,
+ &dpyinfo->mouse_face_end_row,
+ &dpyinfo->mouse_face_end_x,
+ &dpyinfo->mouse_face_end_y);
+ dpyinfo->mouse_face_window = window;
+ dpyinfo->mouse_face_face_id
+ = face_at_buffer_position (w, pos, 0, 0,
+ &ignore, pos + 1, 1);
+
+ /* Display it as active. */
+ show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
+ }
+ /* Handle the text property case. */
+ else if (!NILP (mouse_face) && BUFFERP (object))
+ {
+ /* Find the range of text around this char that
+ should be active. */
+ Lisp_Object before, after, beginning, end;
+ int ignore;
+
+ beginning = Fmarker_position (w->start);
+ end = make_number (BUF_Z (XBUFFER (object))
+ - XFASTINT (w->window_end_pos));
+ before
+ = Fprevious_single_property_change (make_number (pos + 1),
+ Qmouse_face,
+ object, beginning);
+ after
+ = Fnext_single_property_change (position, Qmouse_face,
+ object, end);
+
+ /* Record this as the current active region. */
+ fast_find_position (w, XFASTINT (before),
+ &dpyinfo->mouse_face_beg_col,
+ &dpyinfo->mouse_face_beg_row,
+ &dpyinfo->mouse_face_beg_x,
+ &dpyinfo->mouse_face_beg_y);
+ dpyinfo->mouse_face_past_end
+ = !fast_find_position (w, XFASTINT (after),
+ &dpyinfo->mouse_face_end_col,
+ &dpyinfo->mouse_face_end_row,
+ &dpyinfo->mouse_face_end_x,
+ &dpyinfo->mouse_face_end_y);
+ dpyinfo->mouse_face_window = window;
+
+ if (BUFFERP (object))
dpyinfo->mouse_face_face_id
= face_at_buffer_position (w, pos, 0, 0,
&ignore, pos + 1, 1);
- /* Display it as active. */
- show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
- }
- /* Handle the text property case. */
- else if (!NILP (mouse_face) && BUFFERP (object))
- {
- /* Find the range of text around this char that
- should be active. */
- Lisp_Object before, after, beginning, end;
- int ignore;
-
- beginning = Fmarker_position (w->start);
- end = make_number (BUF_Z (XBUFFER (object))
- - XFASTINT (w->window_end_pos));
- before
- = Fprevious_single_property_change (make_number (pos + 1),
- Qmouse_face,
- object, beginning);
- after
- = Fnext_single_property_change (position, Qmouse_face,
- object, end);
+ /* Display it as active. */
+ show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
+ }
+ else if (!NILP (mouse_face) && STRINGP (object))
+ {
+ Lisp_Object b, e;
+ int ignore;
- /* Record this as the current active region. */
- fast_find_position (w, XFASTINT (before),
+ b = Fprevious_single_property_change (make_number (pos + 1),
+ Qmouse_face,
+ object, Qnil);
+ e = Fnext_single_property_change (position, Qmouse_face,
+ object, Qnil);
+ if (NILP (b))
+ b = make_number (0);
+ if (NILP (e))
+ e = make_number (XSTRING (object)->size - 1);
+ fast_find_string_pos (w, XINT (b), object,
&dpyinfo->mouse_face_beg_col,
&dpyinfo->mouse_face_beg_row,
&dpyinfo->mouse_face_beg_x,
- &dpyinfo->mouse_face_beg_y);
- dpyinfo->mouse_face_past_end
- = !fast_find_position (w, XFASTINT (after),
- &dpyinfo->mouse_face_end_col,
- &dpyinfo->mouse_face_end_row,
- &dpyinfo->mouse_face_end_x,
- &dpyinfo->mouse_face_end_y);
- dpyinfo->mouse_face_window = window;
-
- if (BUFFERP (object))
- dpyinfo->mouse_face_face_id
- = face_at_buffer_position (w, pos, 0, 0,
- &ignore, pos + 1, 1);
-
- /* Display it as active. */
- show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
- }
- else if (!NILP (mouse_face) && STRINGP (object))
- {
- Lisp_Object b, e;
- int ignore;
-
- b = Fprevious_single_property_change (make_number (pos + 1),
- Qmouse_face,
- object, Qnil);
- e = Fnext_single_property_change (position, Qmouse_face,
- object, Qnil);
- if (NILP (b))
- b = make_number (0);
- if (NILP (e))
- e = make_number (XSTRING (object)->size - 1);
- fast_find_string_pos (w, XINT (b), object,
- &dpyinfo->mouse_face_beg_col,
- &dpyinfo->mouse_face_beg_row,
- &dpyinfo->mouse_face_beg_x,
- &dpyinfo->mouse_face_beg_y, 0);
- fast_find_string_pos (w, XINT (e), object,
- &dpyinfo->mouse_face_end_col,
- &dpyinfo->mouse_face_end_row,
- &dpyinfo->mouse_face_end_x,
- &dpyinfo->mouse_face_end_y, 1);
- dpyinfo->mouse_face_past_end = 0;
- dpyinfo->mouse_face_window = window;
- dpyinfo->mouse_face_face_id
- = face_at_string_position (w, object, pos, 0, 0, 0, &ignore,
- glyph->face_id, 1);
- show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
- }
- }
+ &dpyinfo->mouse_face_beg_y, 0);
+ fast_find_string_pos (w, XINT (e), object,
+ &dpyinfo->mouse_face_end_col,
+ &dpyinfo->mouse_face_end_row,
+ &dpyinfo->mouse_face_end_x,
+ &dpyinfo->mouse_face_end_y, 1);
+ dpyinfo->mouse_face_past_end = 0;
+ dpyinfo->mouse_face_window = window;
+ dpyinfo->mouse_face_face_id
+ = face_at_string_position (w, object, pos, 0, 0, 0, &ignore,
+ glyph->face_id, 1);
+ show_mouse_face (dpyinfo, DRAW_MOUSE_FACE);
+ }
+ }
- /* Look for a `help-echo' property. */
- {
- Lisp_Object help, overlay;
+ /* Look for a `help-echo' property. */
+ {
+ Lisp_Object help, overlay;
- /* Check overlays first. */
- help = overlay = Qnil;
- for (i = noverlays - 1; i >= 0 && NILP (help); --i)
- {
- overlay = overlay_vec[i];
- help = Foverlay_get (overlay, Qhelp_echo);
- }
+ /* Check overlays first. */
+ help = overlay = Qnil;
+ for (i = noverlays - 1; i >= 0 && NILP (help); --i)
+ {
+ overlay = overlay_vec[i];
+ help = Foverlay_get (overlay, Qhelp_echo);
+ }
- if (!NILP (help))
- {
- help_echo = help;
- help_echo_window = window;
- help_echo_object = overlay;
- help_echo_pos = pos;
- }
- else
- {
- Lisp_Object object = glyph->object;
- int charpos = glyph->charpos;
+ if (!NILP (help))
+ {
+ help_echo = help;
+ help_echo_window = window;
+ help_echo_object = overlay;
+ help_echo_pos = pos;
+ }
+ else
+ {
+ Lisp_Object object = glyph->object;
+ int charpos = glyph->charpos;
- /* Try text properties. */
- if (STRINGP (object)
- && charpos >= 0
- && charpos < XSTRING (object)->size)
- {
- help = Fget_text_property (make_number (charpos),
- Qhelp_echo, object);
- if (NILP (help))
- {
- /* If the string itself doesn't specify a help-echo,
- see if the buffer text ``under'' it does. */
- struct glyph_row *r
- = MATRIX_ROW (w->current_matrix, vpos);
- int start = MATRIX_ROW_START_CHARPOS (r);
- int pos = string_buffer_position (w, object, start);
- if (pos > 0)
- {
- help = Fget_text_property (make_number (pos),
- Qhelp_echo, w->buffer);
- if (!NILP (help))
- {
- charpos = pos;
- object = w->buffer;
- }
- }
- }
- }
- else if (BUFFERP (object)
- && charpos >= BEGV
- && charpos < ZV)
- help = Fget_text_property (make_number (charpos), Qhelp_echo,
- object);
+ /* Try text properties. */
+ if (STRINGP (object)
+ && charpos >= 0
+ && charpos < XSTRING (object)->size)
+ {
+ help = Fget_text_property (make_number (charpos),
+ Qhelp_echo, object);
+ if (NILP (help))
+ {
+ /* If the string itself doesn't specify a help-echo,
+ see if the buffer text ``under'' it does. */
+ struct glyph_row *r
+ = MATRIX_ROW (w->current_matrix, vpos);
+ int start = MATRIX_ROW_START_CHARPOS (r);
+ int pos = string_buffer_position (w, object, start);
+ if (pos > 0)
+ {
+ help = Fget_text_property (make_number (pos),
+ Qhelp_echo, w->buffer);
+ if (!NILP (help))
+ {
+ charpos = pos;
+ object = w->buffer;
+ }
+ }
+ }
+ }
+ else if (BUFFERP (object)
+ && charpos >= BEGV
+ && charpos < ZV)
+ help = Fget_text_property (make_number (charpos), Qhelp_echo,
+ object);
- if (!NILP (help))
- {
- help_echo = help;
- help_echo_window = window;
- help_echo_object = object;
- help_echo_pos = charpos;
- }
- }
- }
-
- BEGV = obegv;
- ZV = ozv;
- current_buffer = obuf;
+ if (!NILP (help))
+ {
+ help_echo = help;
+ help_echo_window = window;
+ help_echo_object = object;
+ help_echo_pos = charpos;
+ }
+ }
}
+
+ BEGV = obegv;
+ ZV = ozv;
+ current_buffer = obuf;
}
+
+ if (cursor != None)
+ XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor);
}
static void
projects / emacs.git / commitdiff