void x_set_unsplittable P_ ((struct frame *, Lisp_Object, Lisp_Object));
void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
static void x_set_screen_gamma P_ ((struct frame *, Lisp_Object, Lisp_Object));
+static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object,
+ Lisp_Object));
static struct x_frame_parm_table x_frame_parms[] =
{
struct frame *f;
Lisp_Object arg, oldval;
{
- FRAME_FOREGROUND_PIXEL (f)
- = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
+ struct w32_output *x = f->output_data.w32;
+ PIX_TYPE fg, old_fg;
+
+ fg = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
+ old_fg = FRAME_FOREGROUND_PIXEL (f);
+ FRAME_FOREGROUND_PIXEL (f) = fg;
if (FRAME_W32_WINDOW (f) != 0)
{
+ if (x->cursor_pixel == old_fg)
+ x->cursor_pixel = fg;
+
update_face_from_frame_parameter (f, Qforeground_color, arg);
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
Lisp_Object result;
Lisp_Object fontset_name;
Lisp_Object frame;
+ int old_fontset = FRAME_FONTSET(f);
CHECK_STRING (arg, 1);
error ("The characters of the given font have varying widths");
else if (STRINGP (result))
{
- if (!NILP (Fequal (result, oldval)))
+ if (STRINGP (fontset_name))
+ {
+ /* Fontset names are built from ASCII font names, so the
+ names may be equal despite there was a change. */
+ if (old_fontset == FRAME_FONTSET (f))
+ return;
+ }
+ else if (!NILP (Fequal (result, oldval)))
return;
+
store_frame_param (f, Qfont, result);
recompute_basic_faces (f);
}
release_frame_dc (f, hdc);
}
UNBLOCK_INPUT;
+
+ if (WINDOWP (f->tool_bar_window))
+ clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix);
}
}
f->output_data.w32->dwStyle = WS_OVERLAPPEDWINDOW;
f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
+
+ /* Add the tool-bar height to the initial frame height so that the
+ user gets a text display area of the size he specified with -g or
+ via .Xdefaults. Later changes of the tool-bar height don't
+ change the frame size. This is done so that users can create
+ tall Emacs frames without having to guess how tall the tool-bar
+ will get. */
+ if (FRAME_TOOL_BAR_LINES (f))
+ {
+ int margin, relief, bar_height;
+
+ relief = (tool_bar_button_relief > 0
+ ? tool_bar_button_relief
+ : DEFAULT_TOOL_BAR_BUTTON_RELIEF);
+
+ if (INTEGERP (Vtool_bar_button_margin)
+ && XINT (Vtool_bar_button_margin) > 0)
+ margin = XFASTINT (Vtool_bar_button_margin);
+ else if (CONSP (Vtool_bar_button_margin)
+ && INTEGERP (XCDR (Vtool_bar_button_margin))
+ && XINT (XCDR (Vtool_bar_button_margin)) > 0)
+ margin = XFASTINT (XCDR (Vtool_bar_button_margin));
+ else
+ margin = 0;
+
+ bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief;
+ f->height += (bar_height + CANON_Y_UNIT (f) - 1) / CANON_Y_UNIT (f);
+ }
+
window_prompting = x_figure_window_size (f, parms);
if (window_prompting & XNegative)
width = f->width;
height = f->height;
- /* Add the tool-bar height to the initial frame height so that the
- user gets a text display area of the size he specified with -g or
- via .Xdefaults. Later changes of the tool-bar height don't
- change the frame size. This is done so that users can create
- tall Emacs frames without having to guess how tall the tool-bar
- will get. */
- if (FRAME_TOOL_BAR_LINES (f))
- {
- int margin, relief, bar_height;
-
- relief = (tool_bar_button_relief > 0
- ? tool_bar_button_relief
- : DEFAULT_TOOL_BAR_BUTTON_RELIEF);
-
- if (INTEGERP (Vtool_bar_button_margin)
- && XINT (Vtool_bar_button_margin) > 0)
- margin = XFASTINT (Vtool_bar_button_margin);
- else if (CONSP (Vtool_bar_button_margin)
- && INTEGERP (XCDR (Vtool_bar_button_margin))
- && XINT (XCDR (Vtool_bar_button_margin)) > 0)
- margin = XFASTINT (XCDR (Vtool_bar_button_margin));
- else
- margin = 0;
-
- bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief;
- height += (bar_height + CANON_Y_UNIT (f) - 1) / CANON_Y_UNIT (f);
- }
-
f->height = 0;
SET_FRAME_WIDTH (f, 0);
change_frame_size (f, height, width, 1, 0, 0);
extern Lisp_Object QCdata;
Lisp_Object QCtype, QCascent, QCmargin, QCrelief;
Lisp_Object QCconversion, QCcolor_symbols, QCheuristic_mask;
-Lisp_Object QCindex;
+Lisp_Object QCindex, QCmatrix, QCcolor_adjustment, QCmask;
/* Other symbols. */
-Lisp_Object Qlaplace;
+Lisp_Object Qlaplace, Qemboss, Qedge_detection, Qheuristic;
/* Time in seconds after which images should be removed from the cache
if not displayed. */
static struct image_type *lookup_image_type P_ ((Lisp_Object symbol));
static void image_error P_ ((char *format, Lisp_Object, Lisp_Object));
static void x_laplace P_ ((struct frame *, struct image *));
+static void x_emboss P_ ((struct frame *, struct image *));
static int x_build_heuristic_mask P_ ((struct frame *, struct image *,
Lisp_Object));
if (CONSP (object) && EQ (XCAR (object), Qimage))
{
- Lisp_Object symbol = Fplist_get (XCDR (object), QCtype);
- struct image_type *type = lookup_image_type (symbol);
-
- if (type)
- valid_p = type->valid_p (object);
+ Lisp_Object tem;
+
+ for (tem = XCDR (object); CONSP (tem); tem = XCDR (tem))
+ if (EQ (XCAR (tem), QCtype))
+ {
+ tem = XCDR (tem);
+ if (CONSP (tem) && SYMBOLP (XCAR (tem)))
+ {
+ struct image_type *type;
+ type = lookup_image_type (XCAR (tem));
+ if (type)
+ valid_p = type->valid_p (object);
+ }
+
+ break;
+ }
}
return valid_p;
{
IMAGE_DONT_CHECK_VALUE_TYPE,
IMAGE_STRING_VALUE,
+ IMAGE_STRING_OR_NIL_VALUE,
IMAGE_SYMBOL_VALUE,
IMAGE_POSITIVE_INTEGER_VALUE,
IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR,
return 0;
break;
+ case IMAGE_STRING_OR_NIL_VALUE:
+ if (!STRINGP (value) && !NILP (value))
+ return 0;
+ break;
+
case IMAGE_SYMBOL_VALUE:
if (!SYMBOLP (value))
return 0;
***********************************************************************/
static void cache_image P_ ((struct frame *f, struct image *img));
+static void postprocess_image P_ ((struct frame *, struct image *));
/* Return a new, initialized image cache that is allocated from the
}
+/* Compute masks and transform image IMG on frame F, as specified
+ by the image's specification, */
+
+static void
+postprocess_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+#if 0 /* TODO: image support. */
+ /* Manipulation of the image's mask. */
+ if (img->pixmap)
+ {
+ Lisp_Object conversion, spec;
+ Lisp_Object mask;
+
+ spec = img->spec;
+
+ /* `:heuristic-mask t'
+ `:mask heuristic'
+ means build a mask heuristically.
+ `:heuristic-mask (R G B)'
+ `:mask (heuristic (R G B))'
+ means build a mask from color (R G B) in the
+ image.
+ `:mask nil'
+ means remove a mask, if any. */
+
+ mask = image_spec_value (spec, QCheuristic_mask, NULL);
+ if (!NILP (mask))
+ x_build_heuristic_mask (f, img, mask);
+ else
+ {
+ int found_p;
+
+ mask = image_spec_value (spec, QCmask, &found_p);
+
+ if (EQ (mask, Qheuristic))
+ x_build_heuristic_mask (f, img, Qt);
+ else if (CONSP (mask)
+ && EQ (XCAR (mask), Qheuristic))
+ {
+ if (CONSP (XCDR (mask)))
+ x_build_heuristic_mask (f, img, XCAR (XCDR (mask)));
+ else
+ x_build_heuristic_mask (f, img, XCDR (mask));
+ }
+ else if (NILP (mask) && found_p && img->mask)
+ {
+ XFreePixmap (FRAME_X_DISPLAY (f), img->mask);
+ img->mask = NULL;
+ }
+ }
+
+
+ /* Should we apply an image transformation algorithm? */
+ conversion = image_spec_value (spec, QCconversion, NULL);
+ if (EQ (conversion, Qdisabled))
+ x_disable_image (f, img);
+ else if (EQ (conversion, Qlaplace))
+ x_laplace (f, img);
+ else if (EQ (conversion, Qemboss))
+ x_emboss (f, img);
+ else if (CONSP (conversion)
+ && EQ (XCAR (conversion), Qedge_detection))
+ {
+ Lisp_Object tem;
+ tem = XCDR (conversion);
+ if (CONSP (tem))
+ x_edge_detection (f, img,
+ Fplist_get (tem, QCmatrix),
+ Fplist_get (tem, QCcolor_adjustment));
+ }
+ }
+#endif
+}
+
+
/* Return the id of image with Lisp specification SPEC on frame F.
SPEC must be a valid Lisp image specification (see valid_image_p). */
/* If not found, create a new image and cache it. */
if (img == NULL)
{
+ extern Lisp_Object Qpostscript;
+
BLOCK_INPUT;
img = make_image (spec, hash);
cache_image (f, img);
img->vmargin += abs (img->relief);
}
-#if 0 /* TODO: image mask and algorithm. */
- /* Manipulation of the image's mask. */
- if (img->pixmap)
- {
- /* `:heuristic-mask t'
- `:mask heuristic'
- means build a mask heuristically.
- `:heuristic-mask (R G B)'
- `:mask (heuristic (R G B))'
- means build a mask from color (R G B) in the
- image.
- `:mask nil'
- means remove a mask, if any. */
-
- Lisp_Object mask;
-
- mask = image_spec_value (spec, QCheuristic_mask, NULL);
- if (!NILP (mask))
- x_build_heuristic_mask (f, img, mask);
- else
- {
- int found_p;
-
- mask = image_spec_value (spec, QCmask, &found_p);
-
- if (EQ (mask, Qheuristic))
- x_build_heuristic_mask (f, img, Qt);
- else if (CONSP (mask)
- && EQ (XCAR (mask), Qheuristic))
- {
- if (CONSP (XCDR (mask)))
- x_build_heuristic_mask (f, img, XCAR (XCDR (mask)));
- else
- x_build_heuristic_mask (f, img, XCDR (mask));
- }
- else if (NILP (mask) && found_p && img->mask)
- {
- XFreePixmap (FRAME_X_DISPLAY (f), img->mask);
- img->mask = None;
- }
- }
- }
-
- /* Should we apply an image transformation algorithm? */
- if (img->pixmap)
- {
- Lisp_Object conversion;
-
- algorithm = image_spec_value (spec, QCconversion, NULL);
- if (EQ (conversion, Qdisabled))
- x_disable_image (f, img);
- else if (EQ (conversion, Qlaplace))
- x_laplace (f, img);
- else if (EQ (conversion, Qemboss))
- x_emboss (f, img);
- else if (CONSP (conversion)
- && EQ (XCAR (conversion), Qedge_detection))
- {
- Lisp_Object tem;
- tem = XCDR (conversion);
- if (CONSP (tem))
- x_edge_detection (f, img,
- Fplist_get (tem, QCmatrix),
- Fplist_get (tem, QCcolor_adjustment));
- }
- }
-#endif /* TODO. */
+ /* Do image transformations and compute masks, unless we
+ don't have the image yet. */
+ if (!EQ (*img->type->type, Qpostscript))
+ postprocess_image (f, img);
}
+
UNBLOCK_INPUT;
xassert (!interrupt_input_blocked);
}
\f
/***********************************************************************
- Searching files
+ File Handling
***********************************************************************/
static Lisp_Object x_find_image_file P_ ((Lisp_Object));
+static char *slurp_file P_ ((char *, int *));
+
/* Find image file FILE. Look in data-directory, then
x-bitmap-file-path. Value is the full name of the file found, or
}
+/* Read FILE into memory. Value is a pointer to a buffer allocated
+ with xmalloc holding FILE's contents. Value is null if an error
+ occurred. *SIZE is set to the size of the file. */
+
+static char *
+slurp_file (file, size)
+ char *file;
+ int *size;
+{
+ FILE *fp = NULL;
+ char *buf = NULL;
+ struct stat st;
+
+ if (stat (file, &st) == 0
+ && (fp = fopen (file, "r")) != NULL
+ && (buf = (char *) xmalloc (st.st_size),
+ fread (buf, 1, st.st_size, fp) == st.st_size))
+ {
+ *size = st.st_size;
+ fclose (fp);
+ }
+ else
+ {
+ if (fp)
+ fclose (fp);
+ if (buf)
+ {
+ xfree (buf);
+ buf = NULL;
+ }
+ }
+
+ return buf;
+}
+
+
\f
/***********************************************************************
XBM images
{":width", IMAGE_POSITIVE_INTEGER_VALUE, 0},
{":height", IMAGE_POSITIVE_INTEGER_VALUE, 0},
{":data", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":foreground", IMAGE_STRING_VALUE, 0},
- {":background", IMAGE_STRING_VALUE, 0},
+ {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0},
+ {":background", IMAGE_STRING_OR_NIL_VALUE, 0},
{":ascent", IMAGE_NON_NEGATIVE_INTEGER_VALUE, 0},
{":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
{":relief", IMAGE_INTEGER_VALUE, 0},
scanning a number, store its value in *IVAL. */
static int
-xbm_scan (fp, sval, ival)
- FILE *fp;
+xbm_scan (s, end, sval, ival)
+ char **s, *end;
char *sval;
int *ival;
{
int c;
-
+
+ loop:
+
/* Skip white space. */
- while ((c = fgetc (fp)) != EOF && isspace (c))
+ while (*s < end &&(c = *(*s)++, isspace (c)))
;
- if (c == EOF)
+ if (*s >= end)
c = 0;
else if (isdigit (c))
{
int value = 0, digit;
- if (c == '0')
+ if (c == '0' && *s < end)
{
- c = fgetc (fp);
+ c = *(*s)++;
if (c == 'x' || c == 'X')
{
- while ((c = fgetc (fp)) != EOF)
+ while (*s < end)
{
+ c = *(*s)++;
if (isdigit (c))
digit = c - '0';
else if (c >= 'a' && c <= 'f')
else if (isdigit (c))
{
value = c - '0';
- while ((c = fgetc (fp)) != EOF
- && isdigit (c))
+ while (*s < end
+ && (c = *(*s)++, isdigit (c)))
value = 8 * value + c - '0';
}
}
else
{
value = c - '0';
- while ((c = fgetc (fp)) != EOF
- && isdigit (c))
+ while (*s < end
+ && (c = *(*s)++, isdigit (c)))
value = 10 * value + c - '0';
}
- if (c != EOF)
- ungetc (c, fp);
+ if (*s < end)
+ *s = *s - 1;
*ival = value;
c = XBM_TK_NUMBER;
}
else if (isalpha (c) || c == '_')
{
*sval++ = c;
- while ((c = fgetc (fp)) != EOF
- && (isalnum (c) || c == '_'))
+ while (*s < end
+ && (c = *(*s)++, (isalnum (c) || c == '_')))
*sval++ = c;
*sval = 0;
- if (c != EOF)
- ungetc (c, fp);
+ if (*s < end)
+ *s = *s - 1;
c = XBM_TK_IDENT;
}
+ else if (c == '/' && **s == '*')
+ {
+ /* C-style comment. */
+ ++*s;
+ while (**s && (**s != '*' || *(*s + 1) != '/'))
+ ++*s;
+ if (**s)
+ {
+ *s += 2;
+ goto loop;
+ }
+ }
return c;
}
/* Replacement for XReadBitmapFileData which isn't available under old
- X versions. FILE is the name of the bitmap file to read. Set
- *WIDTH and *HEIGHT to the width and height of the image. Return in
- *DATA the bitmap data allocated with xmalloc. Value is non-zero if
- successful. */
+ X versions. CONTENTS is a pointer to a buffer to parse; END is the
+ buffer's end. Set *WIDTH and *HEIGHT to the width and height of
+ the image. Return in *DATA the bitmap data allocated with xmalloc.
+ Value is non-zero if successful. DATA null means just test if
+ CONTENTS looks like an in-memory XBM file. */
static int
-xbm_read_bitmap_file_data (file, width, height, data)
- char *file;
+xbm_read_bitmap_data (contents, end, width, height, data)
+ char *contents, *end;
int *width, *height;
unsigned char **data;
{
- FILE *fp;
+ char *s = contents;
char buffer[BUFSIZ];
int padding_p = 0;
int v10 = 0;
int LA1;
#define match() \
- LA1 = xbm_scan (fp, buffer, &value)
+ LA1 = xbm_scan (contents, end, buffer, &value)
#define expect(TOKEN) \
if (LA1 != (TOKEN)) \
else \
goto failure
- fp = fopen (file, "r");
- if (fp == NULL)
- return 0;
-
*width = *height = -1;
- *data = NULL;
- LA1 = xbm_scan (fp, buffer, &value);
+ if (data)
+ *data = NULL;
+ LA1 = xbm_scan (&s, end, buffer, &value);
/* Parse defines for width, height and hot-spots. */
while (LA1 == '#')
if (*width < 0 || *height < 0)
goto failure;
+ else if (data == NULL)
+ goto success;
/* Parse bits. Must start with `static'. */
expect_ident ("static");
}
}
- fclose (fp);
+ success:
return 1;
failure:
-
- fclose (fp);
- if (*data)
+
+ if (data && *data)
{
xfree (*data);
*data = NULL;
}
-/* Load XBM image IMG which will be displayed on frame F from file
- SPECIFIED_FILE. Value is non-zero if successful. */
+/* Load XBM image IMG which will be displayed on frame F from buffer
+ CONTENTS. END is the end of the buffer. Value is non-zero if
+ successful. */
static int
-xbm_load_image_from_file (f, img, specified_file)
+xbm_load_image (f, img, contents, end)
struct frame *f;
struct image *img;
- Lisp_Object specified_file;
+ char *contents, *end;
{
int rc;
unsigned char *data;
int success_p = 0;
- Lisp_Object file;
- struct gcpro gcpro1;
- xassert (STRINGP (specified_file));
- file = Qnil;
- GCPRO1 (file);
-
- file = x_find_image_file (specified_file);
- if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", specified_file, Qnil);
- UNGCPRO;
- return 0;
- }
-
- rc = xbm_read_bitmap_file_data (XSTRING (file)->data, &img->width,
- &img->height, &data);
+ rc = xbm_read_bitmap_data (contents, end, &img->width, &img->height, &data);
if (rc)
{
int depth = one_w32_display_info.n_cbits;
background = x_alloc_image_color (f, img, value, background);
#if 0 /* TODO : Port image display to W32 */
- BLOCK_INPUT;
img->pixmap
= XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f),
FRAME_W32_WINDOW (f),
if (img->pixmap == 0)
{
x_clear_image (f, img);
- image_error ("Unable to create X pixmap for `%s'", file, Qnil);
+ image_error ("Unable to create X pixmap for `%s'", img->spec, Qnil);
}
else
success_p = 1;
-
- UNBLOCK_INPUT;
#endif
}
else
image_error ("Error loading XBM image `%s'", img->spec, Qnil);
- UNGCPRO;
return success_p;
}
+/* Value is non-zero if DATA looks like an in-memory XBM file. */
+
+static int
+xbm_file_p (data)
+ Lisp_Object data;
+{
+ int w, h;
+ return (STRINGP (data)
+ && xbm_read_bitmap_data (XSTRING (data)->data,
+ (XSTRING (data)->data
+ + STRING_BYTES (XSTRING (data))),
+ &w, &h, NULL));
+}
+
+
/* Fill image IMG which is used on frame F with pixmap data. Value is
non-zero if successful. */
/* If IMG->spec specifies a file name, create a non-file spec from it. */
file_name = image_spec_value (img->spec, QCfile, NULL);
if (STRINGP (file_name))
- success_p = xbm_load_image_from_file (f, img, file_name);
+ {
+ Lisp_Object file;
+ char *contents;
+ int size;
+ struct gcpro gcpro1;
+
+ file = x_find_image_file (file_name);
+ GCPRO1 (file);
+ if (!STRINGP (file))
+ {
+ image_error ("Cannot find image file `%s'", file_name, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ contents = slurp_file (XSTRING (file)->data, &size);
+ if (contents == NULL)
+ {
+ image_error ("Error loading XBM image `%s'", img->spec, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
+ success_p = xbm_load_image (f, img, contents, contents + size);
+ UNGCPRO;
+ }
else
{
struct image_keyword fmt[XBM_LAST];
unsigned long background = FRAME_BACKGROUND_PIXEL (f);
char *bits;
int parsed_p;
+ int in_memory_file_p = 0;
+
+ /* See if data looks like an in-memory XBM file. */
+ data = image_spec_value (img->spec, QCdata, NULL);
+ in_memory_file_p = xbm_file_p (data);
/* Parse the list specification. */
bcopy (xbm_format, fmt, sizeof fmt);
xassert (parsed_p);
/* Get specified width, and height. */
- img->width = XFASTINT (fmt[XBM_WIDTH].value);
- img->height = XFASTINT (fmt[XBM_HEIGHT].value);
- xassert (img->width > 0 && img->height > 0);
-
- BLOCK_INPUT;
-
- if (fmt[XBM_ASCENT].count)
- img->ascent = XFASTINT (fmt[XBM_ASCENT].value);
-
+ if (!in_memory_file_p)
+ {
+ img->width = XFASTINT (fmt[XBM_WIDTH].value);
+ img->height = XFASTINT (fmt[XBM_HEIGHT].value);
+ xassert (img->width > 0 && img->height > 0);
+ }
/* Get foreground and background colors, maybe allocate colors. */
- if (fmt[XBM_FOREGROUND].count)
+ if (fmt[XBM_FOREGROUND].count
+ && STRINGP (fmt[XBM_FOREGROUND].value))
foreground = x_alloc_image_color (f, img, fmt[XBM_FOREGROUND].value,
foreground);
- if (fmt[XBM_BACKGROUND].count)
+ if (fmt[XBM_BACKGROUND].count
+ && STRINGP (fmt[XBM_BACKGROUND].value))
background = x_alloc_image_color (f, img, fmt[XBM_BACKGROUND].value,
background);
- /* Set bits to the bitmap image data. */
- data = fmt[XBM_DATA].value;
- if (VECTORP (data))
+ if (in_memory_file_p)
+ success_p = xbm_load_image (f, img, XSTRING (data)->data,
+ (XSTRING (data)->data
+ + STRING_BYTES (XSTRING (data))));
+ else
{
- int i;
- char *p;
- int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
+ if (VECTORP (data))
+ {
+ int i;
+ char *p;
+ int nbytes = (img->width + BITS_PER_CHAR - 1) / BITS_PER_CHAR;
- p = bits = (char *) alloca (nbytes * img->height);
- for (i = 0; i < img->height; ++i, p += nbytes)
+ p = bits = (char *) alloca (nbytes * img->height);
+ for (i = 0; i < img->height; ++i, p += nbytes)
+ {
+ Lisp_Object line = XVECTOR (data)->contents[i];
+ if (STRINGP (line))
+ bcopy (XSTRING (line)->data, p, nbytes);
+ else
+ bcopy (XBOOL_VECTOR (line)->data, p, nbytes);
+ }
+ }
+ else if (STRINGP (data))
+ bits = XSTRING (data)->data;
+ else
+ bits = XBOOL_VECTOR (data)->data;
+#ifdef TODO /* image support. */
+ /* Create the pixmap. */
+ depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
+ img->pixmap
+ = XCreatePixmapFromBitmapData (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ bits,
+ img->width, img->height,
+ foreground, background,
+ depth);
+#endif
+ if (img->pixmap)
+ success_p = 1;
+ else
{
- Lisp_Object line = XVECTOR (data)->contents[i];
- if (STRINGP (line))
- bcopy (XSTRING (line)->data, p, nbytes);
- else
- bcopy (XBOOL_VECTOR (line)->data, p, nbytes);
+ image_error ("Unable to create pixmap for XBM image `%s'",
+ img->spec, Qnil);
+ x_clear_image (f, img);
}
}
- else if (STRINGP (data))
- bits = XSTRING (data)->data;
- else
- bits = XBOOL_VECTOR (data)->data;
-
-#if 0 /* TODO : W32 XPM code */
- /* Create the pixmap. */
- depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f));
- img->pixmap
- = XCreatePixmapFromBitmapData (FRAME_W32_DISPLAY (f),
- FRAME_W32_WINDOW (f),
- bits,
- img->width, img->height,
- foreground, background,
- depth);
-#endif /* TODO */
-
- if (img->pixmap)
- success_p = 1;
- else
- {
- image_error ("Unable to create pixmap for XBM image `%s'",
- img->spec, Qnil);
- x_clear_image (f, img);
- }
-
- UNBLOCK_INPUT;
}
return success_p;
/***********************************************************************
Algorithms
***********************************************************************/
+#if 0 /* TODO: image support. */
+static XColor *x_to_xcolors P_ ((struct frame *, struct image *, int));
+static void x_from_xcolors P_ ((struct frame *, struct image *, XColor *));
+static void x_detect_edges P_ ((struct frame *, struct image *, int[9], int));
+
+/* Non-zero means draw a cross on images having `:conversion
+ disabled'. */
-#if 0 /* TODO : W32 versions of low level algorithms */
-static void x_laplace_write_row P_ ((struct frame *, long *,
- int, XImage *, int));
-static void x_laplace_read_row P_ ((struct frame *, Colormap,
- XColor *, int, XImage *, int));
+int cross_disabled_images;
+/* Edge detection matrices for different edge-detection
+ strategies. */
-/* Fill COLORS with RGB colors from row Y of image XIMG. F is the
- frame we operate on, CMAP is the color-map in effect, and WIDTH is
- the width of one row in the image. */
+static int emboss_matrix[9] = {
+ /* x - 1 x x + 1 */
+ 2, -1, 0, /* y - 1 */
+ -1, 0, 1, /* y */
+ 0, 1, -2 /* y + 1 */
+};
+
+static int laplace_matrix[9] = {
+ /* x - 1 x x + 1 */
+ 1, 0, 0, /* y - 1 */
+ 0, 0, 0, /* y */
+ 0, 0, -1 /* y + 1 */
+};
+
+/* Value is the intensity of the color whose red/green/blue values
+ are R, G, and B. */
+
+#define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6)
+
+
+/* On frame F, return an array of XColor structures describing image
+ IMG->pixmap. Each XColor structure has its pixel color set. RGB_P
+ non-zero means also fill the red/green/blue members of the XColor
+ structures. Value is a pointer to the array of XColors structures,
+ allocated with xmalloc; it must be freed by the caller. */
+
+static XColor *
+x_to_xcolors (f, img, rgb_p)
+ struct frame *f;
+ struct image *img;
+ int rgb_p;
+{
+ int x, y;
+ XColor *colors, *p;
+ XImage *ximg;
+
+ colors = (XColor *) xmalloc (img->width * img->height * sizeof *colors);
+
+ /* Get the X image IMG->pixmap. */
+ ximg = XGetImage (FRAME_X_DISPLAY (f), img->pixmap,
+ 0, 0, img->width, img->height, ~0, ZPixmap);
+
+ /* Fill the `pixel' members of the XColor array. I wished there
+ were an easy and portable way to circumvent XGetPixel. */
+ p = colors;
+ for (y = 0; y < img->height; ++y)
+ {
+ XColor *row = p;
+
+ for (x = 0; x < img->width; ++x, ++p)
+ p->pixel = XGetPixel (ximg, x, y);
+
+ if (rgb_p)
+ x_query_colors (f, row, img->width);
+ }
+
+ XDestroyImage (ximg);
+ return colors;
+}
+
+
+/* Create IMG->pixmap from an array COLORS of XColor structures, whose
+ RGB members are set. F is the frame on which this all happens.
+ COLORS will be freed; an existing IMG->pixmap will be freed, too. */
static void
-x_laplace_read_row (f, cmap, colors, width, ximg, y)
+x_from_xcolors (f, img, colors)
struct frame *f;
- Colormap cmap;
+ struct image *img;
XColor *colors;
- int width;
- XImage *ximg;
- int y;
{
- int x;
+ int x, y;
+ XImage *oimg;
+ Pixmap pixmap;
+ XColor *p;
+
+ init_color_table ();
+
+ x_create_x_image_and_pixmap (f, img->width, img->height, 0,
+ &oimg, &pixmap);
+ p = colors;
+ for (y = 0; y < img->height; ++y)
+ for (x = 0; x < img->width; ++x, ++p)
+ {
+ unsigned long pixel;
+ pixel = lookup_rgb_color (f, p->red, p->green, p->blue);
+ XPutPixel (oimg, x, y, pixel);
+ }
- for (x = 0; x < width; ++x)
- colors[x].pixel = XGetPixel (ximg, x, y);
+ xfree (colors);
+ x_clear_image_1 (f, img, 1, 0, 1);
- XQueryColors (NULL, cmap, colors, width);
+ x_put_x_image (f, oimg, pixmap, img->width, img->height);
+ x_destroy_x_image (oimg);
+ img->pixmap = pixmap;
+ img->colors = colors_in_color_table (&img->ncolors);
+ free_color_table ();
}
-/* Write row Y of image XIMG. PIXELS is an array of WIDTH longs
- containing the pixel colors to write. F is the frame we are
- working on. */
+/* On frame F, perform edge-detection on image IMG.
+
+ MATRIX is a nine-element array specifying the transformation
+ matrix. See emboss_matrix for an example.
+
+ COLOR_ADJUST is a color adjustment added to each pixel of the
+ outgoing image. */
static void
-x_laplace_write_row (f, pixels, width, ximg, y)
+x_detect_edges (f, img, matrix, color_adjust)
struct frame *f;
- long *pixels;
- int width;
- XImage *ximg;
- int y;
+ struct image *img;
+ int matrix[9], color_adjust;
{
- int x;
+ XColor *colors = x_to_xcolors (f, img, 1);
+ XColor *new, *p;
+ int x, y, i, sum;
+
+ for (i = sum = 0; i < 9; ++i)
+ sum += abs (matrix[i]);
+
+#define COLOR(A, X, Y) ((A) + (Y) * img->width + (X))
+
+ new = (XColor *) xmalloc (img->width * img->height * sizeof *new);
+
+ for (y = 0; y < img->height; ++y)
+ {
+ p = COLOR (new, 0, y);
+ p->red = p->green = p->blue = 0xffff/2;
+ p = COLOR (new, img->width - 1, y);
+ p->red = p->green = p->blue = 0xffff/2;
+ }
- for (x = 0; x < width; ++x)
- XPutPixel (ximg, x, y, pixels[x]);
+ for (x = 1; x < img->width - 1; ++x)
+ {
+ p = COLOR (new, x, 0);
+ p->red = p->green = p->blue = 0xffff/2;
+ p = COLOR (new, x, img->height - 1);
+ p->red = p->green = p->blue = 0xffff/2;
+ }
+
+ for (y = 1; y < img->height - 1; ++y)
+ {
+ p = COLOR (new, 1, y);
+
+ for (x = 1; x < img->width - 1; ++x, ++p)
+ {
+ int r, g, b, y1, x1;
+
+ r = g = b = i = 0;
+ for (y1 = y - 1; y1 < y + 2; ++y1)
+ for (x1 = x - 1; x1 < x + 2; ++x1, ++i)
+ if (matrix[i])
+ {
+ XColor *t = COLOR (colors, x1, y1);
+ r += matrix[i] * t->red;
+ g += matrix[i] * t->green;
+ b += matrix[i] * t->blue;
+ }
+
+ r = (r / sum + color_adjust) & 0xffff;
+ g = (g / sum + color_adjust) & 0xffff;
+ b = (b / sum + color_adjust) & 0xffff;
+ p->red = p->green = p->blue = COLOR_INTENSITY (r, g, b);
+ }
+ }
+
+ xfree (colors);
+ x_from_xcolors (f, img, new);
+
+#undef COLOR
+}
+
+
+/* Perform the pre-defined `emboss' edge-detection on image IMG
+ on frame F. */
+
+static void
+x_emboss (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ x_detect_edges (f, img, emboss_matrix, 0xffff / 2);
}
-#endif
+
/* Transform image IMG which is used on frame F with a Laplace
edge-detection algorithm. The result is an image that can be used
struct frame *f;
struct image *img;
{
-#if 0 /* TODO : W32 version */
- Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
- XImage *ximg, *oimg;
- XColor *in[3];
- long *out;
- Pixmap pixmap;
- int x, y, i;
- long pixel;
- int in_y, out_y, rc;
- int mv2 = 45000;
+ x_detect_edges (f, img, laplace_matrix, 45000);
+}
- BLOCK_INPUT;
- /* Get the X image IMG->pixmap. */
- ximg = XGetImage (NULL, img->pixmap,
- 0, 0, img->width, img->height, ~0, ZPixmap);
-
- /* Allocate 3 input rows, and one output row of colors. */
- for (i = 0; i < 3; ++i)
- in[i] = (XColor *) alloca (img->width * sizeof (XColor));
- out = (long *) alloca (img->width * sizeof (long));
+/* Perform edge-detection on image IMG on frame F, with specified
+ transformation matrix MATRIX and color-adjustment COLOR_ADJUST.
- /* Create an X image for output. */
- rc = x_create_x_image_and_pixmap (f, img->width, img->height, 0,
- &oimg, &pixmap);
+ MATRIX must be either
- /* Fill first two rows. */
- x_laplace_read_row (f, cmap, in[0], img->width, ximg, 0);
- x_laplace_read_row (f, cmap, in[1], img->width, ximg, 1);
- in_y = 2;
+ - a list of at least 9 numbers in row-major form
+ - a vector of at least 9 numbers
- /* Write first row, all zeros. */
- init_color_table ();
- pixel = lookup_rgb_color (f, 0, 0, 0);
- for (x = 0; x < img->width; ++x)
- out[x] = pixel;
- x_laplace_write_row (f, out, img->width, oimg, 0);
- out_y = 1;
+ COLOR_ADJUST nil means use a default; otherwise it must be a
+ number. */
- for (y = 2; y < img->height; ++y)
+static void
+x_edge_detection (f, img, matrix, color_adjust)
+ struct frame *f;
+ struct image *img;
+ Lisp_Object matrix, color_adjust;
+{
+ int i = 0;
+ int trans[9];
+
+ if (CONSP (matrix))
{
- int rowa = y % 3;
- int rowb = (y + 2) % 3;
+ for (i = 0;
+ i < 9 && CONSP (matrix) && NUMBERP (XCAR (matrix));
+ ++i, matrix = XCDR (matrix))
+ trans[i] = XFLOATINT (XCAR (matrix));
+ }
+ else if (VECTORP (matrix) && ASIZE (matrix) >= 9)
+ {
+ for (i = 0; i < 9 && NUMBERP (AREF (matrix, i)); ++i)
+ trans[i] = XFLOATINT (AREF (matrix, i));
+ }
+
+ if (NILP (color_adjust))
+ color_adjust = make_number (0xffff / 2);
+
+ if (i == 9 && NUMBERP (color_adjust))
+ x_detect_edges (f, img, trans, (int) XFLOATINT (color_adjust));
+}
+
- x_laplace_read_row (f, cmap, in[rowa], img->width, ximg, in_y++);
+/* Transform image IMG on frame F so that it looks disabled. */
- for (x = 0; x < img->width - 2; ++x)
+static void
+x_disable_image (f, img)
+ struct frame *f;
+ struct image *img;
+{
+ struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
+
+ if (dpyinfo->n_planes >= 2)
+ {
+ /* Color (or grayscale). Convert to gray, and equalize. Just
+ drawing such images with a stipple can look very odd, so
+ we're using this method instead. */
+ XColor *colors = x_to_xcolors (f, img, 1);
+ XColor *p, *end;
+ const int h = 15000;
+ const int l = 30000;
+
+ for (p = colors, end = colors + img->width * img->height;
+ p < end;
+ ++p)
{
- int r = in[rowa][x].red + mv2 - in[rowb][x + 2].red;
- int g = in[rowa][x].green + mv2 - in[rowb][x + 2].green;
- int b = in[rowa][x].blue + mv2 - in[rowb][x + 2].blue;
-
- out[x + 1] = lookup_rgb_color (f, r & 0xffff, g & 0xffff,
- b & 0xffff);
+ int i = COLOR_INTENSITY (p->red, p->green, p->blue);
+ int i2 = (0xffff - h - l) * i / 0xffff + l;
+ p->red = p->green = p->blue = i2;
}
- x_laplace_write_row (f, out, img->width, oimg, out_y++);
+ x_from_xcolors (f, img, colors);
}
- /* Write last line, all zeros. */
- for (x = 0; x < img->width; ++x)
- out[x] = pixel;
- x_laplace_write_row (f, out, img->width, oimg, out_y);
+ /* Draw a cross over the disabled image, if we must or if we
+ should. */
+ if (dpyinfo->n_planes < 2 || cross_disabled_images)
+ {
+ Display *dpy = FRAME_X_DISPLAY (f);
+ GC gc;
- /* Free the input image, and free resources of IMG. */
- XDestroyImage (ximg);
- x_clear_image (f, img);
-
- /* Put the output image into pixmap, and destroy it. */
- x_put_x_image (f, oimg, pixmap, img->width, img->height);
- x_destroy_x_image (oimg);
+ gc = XCreateGC (dpy, img->pixmap, 0, NULL);
+ XSetForeground (dpy, gc, BLACK_PIX_DEFAULT (f));
+ XDrawLine (dpy, img->pixmap, gc, 0, 0,
+ img->width - 1, img->height - 1);
+ XDrawLine (dpy, img->pixmap, gc, 0, img->height - 1,
+ img->width - 1, 0);
+ XFreeGC (dpy, gc);
- /* Remember new pixmap and colors in IMG. */
- img->pixmap = pixmap;
- img->colors = colors_in_color_table (&img->ncolors);
- free_color_table ();
-
- UNBLOCK_INPUT;
-#endif /* TODO */
+ if (img->mask)
+ {
+ gc = XCreateGC (dpy, img->mask, 0, NULL);
+ XSetForeground (dpy, gc, WHITE_PIX_DEFAULT (f));
+ XDrawLine (dpy, img->mask, gc, 0, 0,
+ img->width - 1, img->height - 1);
+ XDrawLine (dpy, img->mask, gc, 0, img->height - 1,
+ img->width - 1, 0);
+ XFreeGC (dpy, gc);
+ }
+ }
}
struct image *img;
Lisp_Object how;
{
-#if 0 /* TODO : W32 version */
Display *dpy = FRAME_W32_DISPLAY (f);
XImage *ximg, *mask_img;
int x, y, rc, look_at_corners_p;
XDestroyImage (ximg);
UNBLOCK_INPUT;
-#endif /* TODO */
return 1;
}
-
+#endif /* TODO */
\f
/***********************************************************************
{":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR, 0},
{":relief", IMAGE_INTEGER_VALUE, 0},
{":conversion", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
- {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0}
+ {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":mask", IMAGE_DONT_CHECK_VALUE_TYPE, 0},
+ {":foreground", IMAGE_STRING_OR_NIL_VALUE, 0},
+ {":background", IMAGE_STRING_OR_NIL_VALUE, 0}
};
/* Structure describing the image type `pbm'. */
return 0;
}
- contents = pbm_read_file (file, &size);
+ contents = slurp_file (XSTRING (file)->data, &size);
if (contents == NULL)
{
image_error ("Error reading `%s'", file, Qnil);
|| (type != PBM_MONO && max_color_idx < 0))
goto error;
- BLOCK_INPUT;
if (!x_create_x_image_and_pixmap (f, width, height, 0,
&ximg, &img->pixmap))
- {
- UNBLOCK_INPUT;
- goto error;
- }
-
+ goto error;
+
/* Initialize the color hash table. */
init_color_table ();
if (type == PBM_MONO)
{
int c = 0, g;
+ struct image_keyword fmt[PBM_LAST];
+ unsigned long fg = FRAME_FOREGROUND_PIXEL (f);
+ unsigned long bg = FRAME_BACKGROUND_PIXEL (f);
+
+ /* Parse the image specification. */
+ bcopy (pbm_format, fmt, sizeof fmt);
+ parse_image_spec (img->spec, fmt, PBM_LAST, Qpbm);
+
+ /* Get foreground and background colors, maybe allocate colors. */
+ if (fmt[PBM_FOREGROUND].count
+ && STRINGP (fmt[PBM_FOREGROUND].value))
+ fg = x_alloc_image_color (f, img, fmt[PBM_FOREGROUND].value, fg);
+ if (fmt[PBM_BACKGROUND].count
+ && STRINGP (fmt[PBM_BACKGROUND].value))
+ bg = x_alloc_image_color (f, img, fmt[PBM_BACKGROUND].value, bg);
for (y = 0; y < height; ++y)
for (x = 0; x < width; ++x)
else
g = pbm_scan_number (&p, end);
- XPutPixel (ximg, x, y, (g
- ? FRAME_FOREGROUND_PIXEL (f)
- : FRAME_BACKGROUND_PIXEL (f)));
+ XPutPixel (ximg, x, y, g ? fg : bg);
}
}
else
xfree (ximg->data);
ximg->data = NULL;
XDestroyImage (ximg);
- UNBLOCK_INPUT;
image_error ("Invalid pixel value in image `%s'",
img->spec, Qnil);
goto error;
/* Put the image into a pixmap. */
x_put_x_image (f, ximg, img->pixmap, width, height);
x_destroy_x_image (ximg);
- UNBLOCK_INPUT;
img->width = width;
img->height = height;
return ((tiff_memory_source *) data)->len;
}
+
+static void
+tiff_error_handler (title, format, ap)
+ const char *title, *format;
+ va_list ap;
+{
+ char buf[512];
+ int len;
+
+ len = sprintf (buf, "TIFF error: %s ", title);
+ vsprintf (buf + len, format, ap);
+ add_to_log (buf, Qnil, Qnil);
+}
+
+
+static void
+tiff_warning_handler (title, format, ap)
+ const char *title, *format;
+ va_list ap;
+{
+ char buf[512];
+ int len;
+
+ len = sprintf (buf, "TIFF warning: %s ", title);
+ vsprintf (buf + len, format, ap);
+ add_to_log (buf, Qnil, Qnil);
+}
+
+
/* Load TIFF image IMG for use on frame F. Value is non-zero if
successful. */
file = Qnil;
GCPRO1 (file);
+ TIFFSetErrorHandler (tiff_error_handler);
+ TIFFSetWarningHandler (tiff_warning_handler);
+
if (NILP (specified_data))
{
/* Read from a file */
file = x_find_image_file (specified_file);
if (!STRINGP (file))
- {
- image_error ("Cannot find image file `%s'", file, Qnil);
- UNGCPRO;
- return 0;
- }
-
+ {
+ image_error ("Cannot find image file `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
+
/* Try to open the image file. */
tiff = TIFFOpen (XSTRING (file)->data, "r");
if (tiff == NULL)
- {
- image_error ("Cannot open `%s'", file, Qnil);
- UNGCPRO;
- return 0;
- }
+ {
+ image_error ("Cannot open `%s'", file, Qnil);
+ UNGCPRO;
+ return 0;
+ }
}
else
{
return 0;
}
- BLOCK_INPUT;
-
/* Create the X image and pixmap. */
if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
{
- UNBLOCK_INPUT;
xfree (buf);
UNGCPRO;
return 0;
x_put_x_image (f, ximg, img->pixmap, width, height);
x_destroy_x_image (ximg);
xfree (buf);
- UNBLOCK_INPUT;
img->width = width;
img->height = height;
Ghostscript
***********************************************************************/
+Lisp_Object Qpostscript;
+
#ifdef HAVE_GHOSTSCRIPT
static int gs_image_p P_ ((Lisp_Object object));
static int gs_load P_ ((struct frame *f, struct image *img));
/* The symbol `postscript' identifying images of this type. */
-Lisp_Object Qpostscript;
-
/* Keyword symbols. */
Lisp_Object QCloader, QCbounding_box, QCpt_width, QCpt_height;
if (c->images[i]->pixmap == pixmap)
break;
+ /* Should someone in between have cleared the image cache, for
+ instance, give up. */
+ if (i == c->used)
+ return;
+
/* Kill the GS process. We should have found PIXMAP in the image
cache and its image should contain a process object. */
- xassert (i < c->used);
img = c->images[i];
xassert (PROCESSP (img->data.lisp_val));
Fkill_process (img->data.lisp_val, Qnil);
allocated colors on behalf of us. So, to get the
reference counts right, free them once. */
if (img->ncolors)
- {
- Colormap cmap = DefaultColormapOfScreen (FRAME_X_SCREEN (f));
- XFreeColors (FRAME_W32_DISPLAY (f), cmap,
+ x_free_colors (FRAME_W32_DISPLAY (f), cmap,
img->colors, img->ncolors, 0);
- }
#endif
}
else
UNBLOCK_INPUT;
}
+
+ /* Now that we have the pixmap, compute mask and transform the
+ image if requested. */
+ BLOCK_INPUT;
+ postprocess_image (f, img);
+ UNBLOCK_INPUT;
}
#endif /* HAVE_GHOSTSCRIPT */
***********************************************************************/
static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *,
- Lisp_Object));
+ Lisp_Object, Lisp_Object));
+static void compute_tip_xy P_ ((struct frame *, Lisp_Object, Lisp_Object,
+ Lisp_Object, int, int, int *, int *));
-/* The frame of a currently visible tooltip, or null. */
+/* The frame of a currently visible tooltip. */
Lisp_Object tip_frame;
Lisp_Object tip_timer;
Window tip_window;
+/* If non-nil, a vector of 3 elements containing the last args
+ with which x-show-tip was called. See there. */
+
+Lisp_Object last_show_tip_args;
+
+/* Maximum size for tooltips; a cons (COLUMNS . ROWS). */
+
+Lisp_Object Vx_max_tooltip_size;
+
+
static Lisp_Object
unwind_create_tip_frame (frame)
Lisp_Object frame;
/* Create a frame for a tooltip on the display described by DPYINFO.
- PARMS is a list of frame parameters. Value is the frame.
+ PARMS is a list of frame parameters. TEXT is the string to
+ display in the tip frame. Value is the frame.
Note that functions called here, esp. x_default_parameter can
signal errors, for instance when a specified color name is
when this happens. */
static Lisp_Object
-x_create_tip_frame (dpyinfo, parms)
+x_create_tip_frame (dpyinfo, parms, text)
struct w32_display_info *dpyinfo;
- Lisp_Object parms;
+ Lisp_Object parms, text;
{
#if 0 /* TODO : w32 version */
struct frame *f;
int count = BINDING_STACK_SIZE ();
struct gcpro gcpro1, gcpro2, gcpro3;
struct kboard *kb;
+ int face_change_count_before = face_change_count;
+ Lisp_Object buffer;
+ struct buffer *old_buffer;
check_x ();
GCPRO3 (parms, name, frame);
f = make_frame (1);
XSETFRAME (frame, f);
+
+ buffer = Fget_buffer_create (build_string (" *tip*"));
+ Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer);
+ old_buffer = current_buffer;
+ set_buffer_internal_1 (XBUFFER (buffer));
+ current_buffer->truncate_lines = Qnil;
+ Ferase_buffer ();
+ Finsert (1, &text);
+ set_buffer_internal_1 (old_buffer);
+
FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
record_unwind_protect (unwind_create_tip_frame, frame);
+ /* By setting the output method, we're essentially saying that
+ the frame is live, as per FRAME_LIVE_P. If we get a signal
+ from this point on, x_destroy_window might screw up reference
+ counts etc. */
f->output_method = output_w32;
f->output_data.w32 =
(struct w32_output *) xmalloc (sizeof (struct w32_output));
unsigned long mask;
BLOCK_INPUT;
- mask = CWBackPixel | CWOverrideRedirect | CWSaveUnder | CWEventMask;
+ mask = CWBackPixel | CWOverrideRedirect | CWEventMask;
+ if (DoesSaveUnders (dpyinfo->screen))
+ mask |= CWSaveUnder;
+
/* Window managers looks at the override-redirect flag to
determine whether or net to give windows a decoration (Xlib
3.2.8). */
SET_FRAME_WIDTH (f, 0);
change_frame_size (f, height, width, 1, 0, 0);
+ /* Set up faces after all frame parameters are known. This call
+ also merges in face attributes specified for new frames.
+
+ Frame parameters may be changed if .Xdefaults contains
+ specifications for the default font. For example, if there is an
+ `Emacs.default.attributeBackground: pink', the `background-color'
+ attribute of the frame get's set, which let's the internal border
+ of the tooltip frame appear in pink. Prevent this. */
+ {
+ Lisp_Object bg = Fframe_parameter (frame, Qbackground_color);
+
+ /* Set tip_frame here, so that */
+ tip_frame = frame;
+ call1 (Qface_set_after_frame_default, frame);
+
+ if (!EQ (bg, Fframe_parameter (frame, Qbackground_color)))
+ Fmodify_frame_parameters (frame, Fcons (Fcons (Qbackground_color, bg),
+ Qnil));
+ }
+
f->no_split = 1;
UNGCPRO;
below. And the frame needs to be on Vframe_list or making it
visible won't work. */
Vframe_list = Fcons (frame, Vframe_list);
- tip_frame = frame;
/* Now that the frame is official, it counts as a reference to
its display. */
FRAME_W32_DISPLAY_INFO (f)->reference_count++;
+ /* Setting attributes of faces of the tooltip frame from resources
+ and similar will increment face_change_count, which leads to the
+ clearing of all current matrices. Since this isn't necessary
+ here, avoid it by resetting face_change_count to the value it
+ had before we created the tip frame. */
+ face_change_count = face_change_count_before;
+
+ /* Discard the unwind_protect. */
return unbind_to (count, frame);
#endif /* TODO */
return Qnil;
}
+
+/* Compute where to display tip frame F. PARMS is the list of frame
+ parameters for F. DX and DY are specified offsets from the current
+ location of the mouse. WIDTH and HEIGHT are the width and height
+ of the tooltip. Return coordinates relative to the root window of
+ the display in *ROOT_X, and *ROOT_Y. */
+
+static void
+compute_tip_xy (f, parms, dx, dy, width, height, root_x, root_y)
+ struct frame *f;
+ Lisp_Object parms, dx, dy;
+ int width, height;
+ int *root_x, *root_y;
+{
+#ifdef TODO /* Tool tips not supported. */
+ Lisp_Object left, top;
+ int win_x, win_y;
+ Window root, child;
+ unsigned pmask;
+
+ /* User-specified position? */
+ left = Fcdr (Fassq (Qleft, parms));
+ top = Fcdr (Fassq (Qtop, parms));
+
+ /* Move the tooltip window where the mouse pointer is. Resize and
+ show it. */
+ if (!INTEGERP (left) && !INTEGERP (top))
+ {
+ BLOCK_INPUT;
+ XQueryPointer (FRAME_X_DISPLAY (f), FRAME_X_DISPLAY_INFO (f)->root_window,
+ &root, &child, root_x, root_y, &win_x, &win_y, &pmask);
+ UNBLOCK_INPUT;
+ }
+
+ if (INTEGERP (top))
+ *root_y = XINT (top);
+ else if (*root_y + XINT (dy) - height < 0)
+ *root_y -= XINT (dy);
+ else
+ {
+ *root_y -= height;
+ *root_y += XINT (dy);
+ }
+
+ if (INTEGERP (left))
+ *root_x = XINT (left);
+ else if (*root_x + XINT (dx) + width > FRAME_X_DISPLAY_INFO (f)->width)
+ *root_x -= width + XINT (dx);
+ else
+ *root_x += XINT (dx);
+
+#endif /* Tooltip support. */
+}
+
+
#ifdef TODO /* Tooltip support not complete. */
DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0,
"Show STRING in a \"tooltip\" window on frame FRAME.\n\
DX isn't specified). Likewise for the y-position; if a `top' frame\n\
parameter is specified, it determines the y-position of the tooltip\n\
window, otherwise it is displayed at the mouse position, with offset\n\
-DY added (default is 10).")
+DY added (default is -10).\n\
+\n\
+A tooltip's maximum size is specified by `x-max-tooltip-size'.\n\
+Text larger than the specified size is clipped.")
(string, frame, parms, timeout, dx, dy)
Lisp_Object string, frame, parms, timeout, dx, dy;
{
struct frame *f;
struct window *w;
- Window root, child;
- Lisp_Object buffer, top, left;
+ Lisp_Object buffer, top, left, max_width, max_height;
+ int root_x, root_y;
struct buffer *old_buffer;
struct text_pos pos;
int i, width, height;
- int root_x, root_y, win_x, win_y;
- unsigned pmask;
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
int old_windows_or_buffers_changed = windows_or_buffers_changed;
int count = specpdl_ptr - specpdl;
frame = x_create_tip_frame (FRAME_W32_DISPLAY_INFO (f), parms);
f = XFRAME (frame);
- /* Set up the frame's root window. Currently we use a size of 80
- columns x 40 lines. If someone wants to show a larger tip, he
- will loose. I don't think this is a realistic case. */
+ /* Set up the frame's root window. */
w = XWINDOW (FRAME_ROOT_WINDOW (f));
w->left = w->top = make_number (0);
- w->width = make_number (80);
- w->height = make_number (40);
+
+ if (CONSP (Vx_max_tooltip_size)
+ && INTEGERP (XCAR (Vx_max_tooltip_size))
+ && XINT (XCAR (Vx_max_tooltip_size)) > 0
+ && INTEGERP (XCDR (Vx_max_tooltip_size))
+ && XINT (XCDR (Vx_max_tooltip_size)) > 0)
+ {
+ w->width = XCAR (Vx_max_tooltip_size);
+ w->height = XCDR (Vx_max_tooltip_size);
+ }
+ else
+ {
+ w->width = make_number (80);
+ w->height = make_number (40);
+ }
+
+ f->window_width = XINT (w->width);
adjust_glyphs (f);
w->pseudo_window_p = 1;
/* Display the tooltip text in a temporary buffer. */
- buffer = Fget_buffer_create (build_string (" *tip*"));
- Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer);
old_buffer = current_buffer;
- set_buffer_internal_1 (XBUFFER (buffer));
- Ferase_buffer ();
- Finsert (1, &string);
+ set_buffer_internal_1 (XBUFFER (XWINDOW (FRAME_ROOT_WINDOW (f))->buffer));
+ current_buffer->truncate_lines = Qnil;
clear_glyph_matrix (w->desired_matrix);
clear_glyph_matrix (w->current_matrix);
SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
/* Move the tooltip window where the mouse pointer is. Resize and
show it. */
- compute_tip_xy (f, parms, dx, dy, &root_x, &root_y);
+ compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y);
-#if 0 /* TODO : W32 specifics */
BLOCK_INPUT;
XMoveResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
root_x, root_y - height, width, height);
XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f));
UNBLOCK_INPUT;
-#endif /* TODO */
/* Draw into the window. */
w->must_be_updated_p = 1;
DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
"Hide the current tooltip window, if there is any.\n\
-Value is t is tooltip was open, nil otherwise.")
+Value is t if tooltip was open, nil otherwise.")
()
{
int count;
"Read file name, prompting with PROMPT in directory DIR.\n\
Use a file selection dialog.\n\
Select DEFAULT-FILENAME in the dialog's file selection box, if\n\
-specified. Don't let the user enter a file name in the file\n\
-selection dialog's entry field, if MUSTMATCH is non-nil.")
+specified. Ensure that file exists if MUSTMATCH is non-nil.")
(prompt, dir, default_filename, mustmatch)
Lisp_Object prompt, dir, default_filename, mustmatch;
{
bzero (&file_details, sizeof (file_details));
file_details.lStructSize = sizeof (file_details);
file_details.hwndOwner = FRAME_W32_WINDOW (f);
+ /* Undocumented Bug in Common File Dialog:
+ If a filter is not specified, shell links are not resolved. */
+ file_details.lpstrFilter = "ALL Files (*.*)\0*.*\0\0";
file_details.lpstrFile = filename;
file_details.nMaxFile = sizeof (filename);
file_details.lpstrInitialDir = init_dir;
Qlaplace = intern ("laplace");
staticpro (&Qlaplace);
+ Qemboss = intern ("emboss");
+ staticpro (&Qemboss);
+ Qedge_detection = intern ("edge-detection");
+ staticpro (&Qedge_detection);
+ Qheuristic = intern ("heuristic");
+ staticpro (&Qheuristic);
+ QCmatrix = intern (":matrix");
+ staticpro (&QCmatrix);
+ QCcolor_adjustment = intern (":color-adjustment");
+ staticpro (&QCcolor_adjustment);
+ QCmask = intern (":mask");
+ staticpro (&QCmask);
Qface_set_after_frame_default = intern ("face-set-after-frame-default");
staticpro (&Qface_set_after_frame_default);
"A string indicating the foreground color of the cursor box.");
Vx_cursor_fore_pixel = Qnil;
+ DEFVAR_LISP ("x-max-tooltip-size", &Vx_max_tooltip_size,
+ "Maximum size for tooltips. Value is a pair (COLUMNS . ROWS).\n\
+Text larger than this is clipped.");
+ Vx_max_tooltip_size = Fcons (make_number (80), make_number (40));
+
DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager,
"Non-nil if no window manager is in use.\n\
Emacs doesn't try to figure this out; this is always nil\n\