/* Interface definitions for display code.
- Copyright (C) 1985,93,94,97,98,99, 2000,01,02,03, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1985, 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002,
+ 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* New redisplay written by Gerd Moellmann <gerd@gnu.org>. */
typedef HDC XImagePtr_or_DC;
#endif
-#ifdef HAVE_CARBON
+#ifdef MAC_OS
#include "macgui.h"
typedef struct mac_display_info Display_Info;
/* Mac equivalent of XImage. */
#define GLYPH_DEBUG 0
#endif
+/* If XASSERTS is non-zero, additional consistency checks are activated.
+ Turn it off by defining the macro XASSERTS to zero. */
+
+#ifndef XASSERTS
+#define XASSERTS 0
+#endif
+
/* Macros to include code only if GLYPH_DEBUG != 0. */
#if GLYPH_DEBUG
#define IF_DEBUG(X) X
-#define xassert(X) do {if (!(X)) abort ();} while (0)
#else
#define IF_DEBUG(X) (void) 0
+#endif
+
+#if XASSERTS
+#define xassert(X) do {if (!(X)) abort ();} while (0)
+#else
#define xassert(X) (void) 0
#endif
#define FACE_ID_BITS 21
- /* Face of the glyph. */
+ /* Face of the glyph. This is a realized face ID,
+ an index in the face cache of the frame. */
unsigned face_id : FACE_ID_BITS;
/* Type of font used to display the character glyph. May be used to
frames. It may be < 0 in case of completely invisible rows. */
int visible_height;
+ /* Extra line spacing added after this row. Do not consider this
+ in last row when checking if row is fully visible. */
+ int extra_line_spacing;
+
/* Hash code. This hash code is available as soon as the row
is constructed, i.e. after a call to display_line. */
unsigned hash;
position of the next row. */
struct display_pos end;
+ /* Non-zero means the overlay arrow bitmap is on this line.
+ -1 means use default overlay arrow bitmap, else
+ it specifies actual fringe bitmap number. */
+ int overlay_arrow_bitmap;
+
/* Left fringe bitmap number (enum fringe_bitmap_type). */
unsigned left_user_fringe_bitmap : FRINGE_ID_BITS;
unsigned truncated_on_left_p : 1;
unsigned truncated_on_right_p : 1;
- /* 1 means the overlay arrow is on this line. */
- unsigned overlay_arrow_p : 1;
-
/* 1 means that this row displays a continued line, i.e. it has a
continuation mark at the right side. */
unsigned continued_p : 1;
/* 1 means this row currently shows the cursor in the right fringe. */
unsigned cursor_in_fringe_p : 1;
+ /* 1 means the last glyph in the row is part of an ellipsis. */
+ unsigned ends_in_ellipsis_p : 1;
+
/* Non-zero means display a bitmap on X frames indicating that this
the first line of the buffer. */
unsigned indicate_bob_p : 1;
#define MATRIX_ROW_DISPLAYS_TEXT_P(ROW) ((ROW)->displays_text_p)
+
+/* Helper macros */
+
+#define MR_PARTIALLY_VISIBLE(ROW) \
+ ((ROW)->height != (ROW)->visible_height)
+
+#define MR_PARTIALLY_VISIBLE_AT_TOP(W, ROW) \
+ ((ROW)->y < WINDOW_HEADER_LINE_HEIGHT ((W)))
+
+#define MR_PARTIALLY_VISIBLE_AT_BOTTOM(W, ROW) \
+ (((ROW)->y + (ROW)->height - (ROW)->extra_line_spacing) \
+ > WINDOW_BOX_HEIGHT_NO_MODE_LINE ((W)))
+
/* Non-zero if ROW is not completely visible in window W. */
-#define MATRIX_ROW_PARTIALLY_VISIBLE_P(ROW) \
- ((ROW)->height != (ROW)->visible_height)
+#define MATRIX_ROW_PARTIALLY_VISIBLE_P(W, ROW) \
+ (MR_PARTIALLY_VISIBLE ((ROW)) \
+ && (MR_PARTIALLY_VISIBLE_AT_TOP ((W), (ROW)) \
+ || MR_PARTIALLY_VISIBLE_AT_BOTTOM ((W), (ROW))))
+
+
/* Non-zero if ROW is partially visible at the top of window W. */
#define MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P(W, ROW) \
- (MATRIX_ROW_PARTIALLY_VISIBLE_P ((ROW)) \
- && (ROW)->y < WINDOW_HEADER_LINE_HEIGHT ((W)))
+ (MR_PARTIALLY_VISIBLE ((ROW)) \
+ && MR_PARTIALLY_VISIBLE_AT_TOP ((W), (ROW)))
/* Non-zero if ROW is partially visible at the bottom of window W. */
-#define MATRIX_ROW_PARTIALLY_VISIBLE_AT_BOTTOM_P(W, ROW) \
- (MATRIX_ROW_PARTIALLY_VISIBLE_P ((ROW)) \
- && (ROW)->y + (ROW)->height > WINDOW_BOX_HEIGHT_NO_MODE_LINE ((W)))
+#define MATRIX_ROW_PARTIALLY_VISIBLE_AT_BOTTOM_P(W, ROW) \
+ (MR_PARTIALLY_VISIBLE ((ROW)) \
+ && MR_PARTIALLY_VISIBLE_AT_BOTTOM ((W), (ROW)))
/* Return the bottom Y + 1 of ROW. */
or a control char, or an overlay string. */
#define MATRIX_ROW_ENDS_IN_MIDDLE_OF_CHAR_P(ROW) \
- ((ROW)->end.dpvec_index >= 0 \
+ ((ROW)->end.dpvec_index > 0 \
|| (ROW)->end.overlay_string_index >= 0 \
|| (ROW)->ends_in_middle_of_char_p)
/* Non-zero if ROW starts in the middle of a character. See above. */
#define MATRIX_ROW_STARTS_IN_MIDDLE_OF_CHAR_P(ROW) \
- ((ROW)->start.dpvec_index >= 0 \
+ ((ROW)->start.dpvec_index > 0 \
|| (ROW)->starts_in_middle_of_char_p \
|| ((ROW)->start.overlay_string_index >= 0 \
&& (ROW)->start.string_pos.charpos > 0))
unsigned for_overlaps_p : 1;
/* The GC to use for drawing this glyph string. */
-#if defined(HAVE_X_WINDOWS) || defined(HAVE_CARBON)
+#if defined(HAVE_X_WINDOWS) || defined(MAC_OS)
GC gc;
#endif
#if defined(HAVE_NTGUI)
/* Slice */
struct glyph_slice slice;
+ /* Non-null means the horizontal clipping region starts from the
+ left edge of *clip_head, and ends with the right edge of
+ *clip_tail, not including their overhangs. */
+ struct glyph_string *clip_head, *clip_tail;
+
struct glyph_string *next, *prev;
};
CURSOR_FACE_ID,
MOUSE_FACE_ID,
MENU_FACE_ID,
+ VERTICAL_BORDER_FACE_ID,
BASIC_FACE_ID_SENTINEL
};
Lisp_Object height;
};
+enum it_method {
+ GET_FROM_BUFFER = 0,
+ GET_FROM_DISPLAY_VECTOR,
+ GET_FROM_COMPOSITION,
+ GET_FROM_STRING,
+ GET_FROM_C_STRING,
+ GET_FROM_IMAGE,
+ GET_FROM_STRETCH,
+ NUM_IT_METHODS
+};
struct it
{
/* The window's frame. */
struct frame *f;
- /* Function to call to load this structure with the next display
- element. */
- int (* method) P_ ((struct it *it));
+ /* Method to use to load this structure with the next display element. */
+ enum it_method method;
/* The next position at which to check for face changes, invisible
text, overlay strings, end of text etc., which see. */
Don't handle some `display' properties in these strings. */
unsigned string_from_display_prop_p : 1;
+ /* When METHOD == next_element_from_display_vector,
+ this is 1 if we're doing an ellipsis. Otherwise meaningless. */
+ unsigned ellipsis_p : 1;
+
/* Display table in effect or null for none. */
struct Lisp_Char_Table *dp;
means that no such character is involved. */
int dpvec_char_len;
+ /* Face id to use for all characters in display vector. -1 if unused. */
+ int dpvec_face_id;
+
/* Face id of the iterator saved in case a glyph from dpvec contains
a face. The face is restored when all glyphs from dpvec have
been delivered. */
/* Vector of overlays to process. Overlay strings are processed
OVERLAY_STRING_CHUNK_SIZE at a time. */
-#define OVERLAY_STRING_CHUNK_SIZE 3
+#define OVERLAY_STRING_CHUNK_SIZE 16
Lisp_Object overlay_strings[OVERLAY_STRING_CHUNK_SIZE];
/* Total number of overlay strings to process. This can be >
/* Object and position where the current display element came from.
Object can be a Lisp string in case the current display element
- comes from an overlay string, or it is buffer. Position is
- a position in object. */
+ comes from an overlay string, or it is buffer. It may also be nil
+ during mode-line update. Position is a position in object. */
Lisp_Object object;
struct text_pos position;
line, if the window has one. */
int last_visible_y;
- /* Additional space in pixels between lines (for window systems
- only.) */
+ /* Default amount of additional space in pixels between lines (for
+ window systems only.) */
int extra_line_spacing;
+ /* Max extra line spacing added in this row. */
+ int max_extra_line_spacing;
+
/* Override font height information for this glyph.
Used if override_ascent >= 0. Cleared after this glyph. */
int override_ascent, override_descent, override_boff;
int display_prop_intangible_p P_ ((Lisp_Object));
void resize_echo_area_exactly P_ ((void));
int resize_mini_window P_ ((struct window *, int));
-int try_window P_ ((Lisp_Object, struct text_pos));
+int try_window P_ ((Lisp_Object, struct text_pos, int));
void window_box P_ ((struct window *, int, int *, int *, int *, int *));
int window_box_height P_ ((struct window *));
int window_text_bottom_y P_ ((struct window *));
extern struct frame *last_mouse_frame;
extern int last_tool_bar_item;
extern int mouse_autoselect_window;
+extern void reseat_at_previous_visible_line_start P_ ((struct it *));
extern int calc_pixel_width_or_height P_ ((double *, struct it *, Lisp_Object,
/* XFontStruct */ void *, int, int *));
extern void draw_phys_cursor_glyph P_ ((struct window *,
struct glyph_row *,
enum draw_glyphs_face));
+extern int get_phys_cursor_geometry P_ ((struct window *, struct glyph_row *,
+ struct glyph *, int *));
extern void erase_phys_cursor P_ ((struct window *));
extern void display_and_set_cursor P_ ((struct window *,
int, int, int, int, int));
void prepare_face_for_display P_ ((struct frame *, struct face *));
int xstricmp P_ ((const unsigned char *, const unsigned char *));
int lookup_face P_ ((struct frame *, Lisp_Object *, int, struct face *));
-int lookup_named_face P_ ((struct frame *, Lisp_Object, int));
+int lookup_named_face P_ ((struct frame *, Lisp_Object, int, int));
int smaller_face P_ ((struct frame *, int, int));
int face_with_height P_ ((struct frame *, int, int));
-int lookup_derived_face P_ ((struct frame *, Lisp_Object, int, int));
+int lookup_derived_face P_ ((struct frame *, Lisp_Object, int, int, int));
void init_frame_faces P_ ((struct frame *));
void free_frame_faces P_ ((struct frame *));
void recompute_basic_faces P_ ((struct frame *));
int, int));
int face_at_string_position P_ ((struct window *, Lisp_Object, int, int, int,
int, int *, enum face_id, int));
+int merge_faces P_ ((struct frame *, Lisp_Object, int, int));
int compute_char_face P_ ((struct frame *, int, Lisp_Object));
void free_all_realized_faces P_ ((Lisp_Object));
extern Lisp_Object Qforeground_color, Qbackground_color;
+extern Lisp_Object Qframe_set_background_mode;
extern char unspecified_fg[], unspecified_bg[];
void free_realized_multibyte_face P_ ((struct frame *, int));
EXFUN (Fx_hide_tip, 0);
extern void start_hourglass P_ ((void));
extern void cancel_hourglass P_ ((void));
+extern int hourglass_started P_ ((void));
extern int display_hourglass_p;
/* Returns the background color of IMG, calculating one heuristically if
void init_display P_ ((void));
void syms_of_display P_ ((void));
extern Lisp_Object Qredisplay_dont_pause;
+GLYPH spec_glyph_lookup_face P_ ((struct window *, GLYPH));
/* Defined in term.c */
extern void set_tty_color_mode P_ ((struct frame *, Lisp_Object));
extern void tty_setup_colors P_ ((int));
extern void term_init P_ ((char *));
-extern void fatal P_ ((/* char *, ... */));
void cursor_to P_ ((int, int));
extern int tty_capable_p P_ ((struct frame *, unsigned, unsigned long, unsigned long));
HCoop / bpt / emacs.git / blobdiff