Lisp_Object
xfont_get_cache (struct frame *f)
{
Display_Info *dpyinfo = FRAME_DISPLAY_INFO (f);
return (dpyinfo->name_list_element);
}
Lisp_Object
w32_popup_dialog (struct frame *f, Lisp_Object header, Lisp_Object contents)
{
check_window_system (f);
#ifndef HAVE_DIALOGS
/* Handle simple Yes/No choices as MessageBox popups. */
if (is_simple_dialog (contents))
return simple_dialog_show (f, contents, header);
else
return Qunsupported__w32_dialog;
#else /* HAVE_DIALOGS */
{
Lisp_Object title;
char *error_name;
Lisp_Object selection;
/* Decode the dialog items from what was specified. */
title = Fcar (contents);
CHECK_STRING (title);
list_of_panes (Fcons (contents, Qnil));
/* Display them in a dialog box. */
block_input ();
selection = w32_dialog_show (f, title, header, &error_name);
unblock_input ();
discard_menu_items ();
FRAME_DISPLAY_INFO (f)->grabbed = 0;
if (error_name) error (error_name);
return selection;
}
#endif /* HAVE_DIALOGS */
}
void
select_palette (struct frame *f, HDC hdc)
{
struct w32_display_info *display_info = FRAME_DISPLAY_INFO (f);
if (!display_info->has_palette)
return;
if (display_info->palette == 0)
return;
if (!NILP (Vw32_enable_palette))
f->output_data.w32->old_palette =
SelectPalette (hdc, display_info->palette, FALSE);
else
f->output_data.w32->old_palette = NULL;
if (RealizePalette (hdc) != GDI_ERROR)
{
Lisp_Object frame, framelist;
FOR_EACH_FRAME (framelist, frame)
{
SET_FRAME_GARBAGED (XFRAME (frame));
}
static Lisp_Object
w32_dialog_show (struct frame *f, Lisp_Object title,
Lisp_Object header, char **error)
{
int i, nb_buttons = 0;
char dialog_name[6];
int menu_item_selection;
widget_value *wv, *first_wv = 0, *prev_wv = 0;
/* Number of elements seen so far, before boundary. */
int left_count = 0;
/* true means we've seen the boundary between left-hand elts and
right-hand. */
bool boundary_seen = false;
*error = NULL;
if (menu_items_n_panes > 1)
{
*error = "Multiple panes in dialog box";
return Qnil;
}
/* Create a tree of widget_value objects
representing the text label and buttons. */
{
Lisp_Object pane_name;
char *pane_string;
pane_name = AREF (menu_items, MENU_ITEMS_PANE_NAME);
pane_string = (NILP (pane_name)
? "" : SSDATA (pane_name));
prev_wv = make_widget_value ("message", pane_string, true, Qnil);
first_wv = prev_wv;
/* Loop over all panes and items, filling in the tree. */
i = MENU_ITEMS_PANE_LENGTH;
while (i < menu_items_used)
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, help;
item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME);
enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE);
descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY);
help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP);
if (NILP (item_name))
{
free_menubar_widget_value_tree (first_wv);
*error = "Submenu in dialog items";
return Qnil;
}
if (EQ (item_name, Qquote))
{
/* This is the boundary between left-side elts
and right-side elts. Stop incrementing right_count. */
boundary_seen = true;
i++;
continue;
}
if (nb_buttons >= 9)
{
free_menubar_widget_value_tree (first_wv);
*error = "Too many dialog items";
return Qnil;
}
wv = make_widget_value (button_names[nb_buttons],
SSDATA (item_name),
!NILP (enable), Qnil);
prev_wv->next = wv;
if (!NILP (descrip))
wv->key = SSDATA (descrip);
wv->call_data = aref_addr (menu_items, i);
prev_wv = wv;
if (! boundary_seen)
left_count++;
nb_buttons++;
i += MENU_ITEMS_ITEM_LENGTH;
}
/* If the boundary was not specified,
by default put half on the left and half on the right. */
if (! boundary_seen)
left_count = nb_buttons - nb_buttons / 2;
wv = make_widget_value (dialog_name, NULL, false, Qnil);
/* Frame title: 'Q' = Question, 'I' = Information.
Can also have 'E' = Error if, one day, we want
a popup for errors. */
if (NILP (header))
dialog_name[0] = 'Q';
else
dialog_name[0] = 'I';
/* Dialog boxes use a really stupid name encoding
which specifies how many buttons to use
and how many buttons are on the right. */
dialog_name[1] = '0' + nb_buttons;
dialog_name[2] = 'B';
dialog_name[3] = 'R';
/* Number of buttons to put on the right. */
dialog_name[4] = '0' + nb_buttons - left_count;
dialog_name[5] = 0;
wv->contents = first_wv;
first_wv = wv;
}
/* Actually create the dialog. */
dialog_id = widget_id_tick++;
menu = lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv,
f->output_data.w32->widget, true, 0,
dialog_selection_callback, 0);
lw_modify_all_widgets (dialog_id, first_wv->contents, TRUE);
/* Free the widget_value objects we used to specify the contents. */
free_menubar_widget_value_tree (first_wv);
/* No selection has been chosen yet. */
menu_item_selection = 0;
/* Display the menu. */
lw_pop_up_all_widgets (dialog_id);
/* Process events that apply to the menu. */
popup_get_selection ((XEvent *) 0, FRAME_DISPLAY_INFO (f), dialog_id);
lw_destroy_all_widgets (dialog_id);
/* Find the selected item, and its pane, to return
the proper value. */
if (menu_item_selection != 0)
{
i = 0;
while (i < menu_items_used)
{
Lisp_Object entry;
if (EQ (AREF (menu_items, i), Qt))
i += MENU_ITEMS_PANE_LENGTH;
else
{
entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
if (menu_item_selection == i)
return entry;
i += MENU_ITEMS_ITEM_LENGTH;
}
}
}
else
/* Make "Cancel" equivalent to C-g. */
Fsignal (Qquit, Qnil);
return Qnil;
}
Lisp_Object
w32_menu_show (struct frame *f, int x, int y, int menuflags,
Lisp_Object title, const char **error)
{
int i;
int menu_item_selection;
HMENU menu;
POINT pos;
widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0;
widget_value **submenu_stack
= (widget_value **) alloca (menu_items_used * sizeof (widget_value *));
Lisp_Object *subprefix_stack
= (Lisp_Object *) alloca (menu_items_used * word_size);
int submenu_depth = 0;
bool first_pane;
*error = NULL;
if (menu_items_n_panes == 0)
return Qnil;
if (menu_items_used <= MENU_ITEMS_PANE_LENGTH)
{
*error = "Empty menu";
return Qnil;
}
block_input ();
/* Create a tree of widget_value objects
representing the panes and their items. */
wv = make_widget_value ("menu", NULL, true, Qnil);
wv->button_type = BUTTON_TYPE_NONE;
first_wv = wv;
first_pane = true;
/* Loop over all panes and items, filling in the tree. */
i = 0;
while (i < menu_items_used)
{
if (EQ (AREF (menu_items, i), Qnil))
{
submenu_stack[submenu_depth++] = save_wv;
save_wv = prev_wv;
prev_wv = 0;
first_pane = false;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prev_wv = save_wv;
save_wv = submenu_stack[--submenu_depth];
first_pane = false;
i++;
}
else if (EQ (AREF (menu_items, i), Qt)
&& submenu_depth != 0)
i += MENU_ITEMS_PANE_LENGTH;
/* Ignore a nil in the item list.
It's meaningful only for dialog boxes. */
else if (EQ (AREF (menu_items, i), Qquote))
i += 1;
else if (EQ (AREF (menu_items, i), Qt))
{
/* Create a new pane. */
Lisp_Object pane_name, prefix;
const char *pane_string;
pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME);
prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
if (STRINGP (pane_name))
{
if (unicode_append_menu)
pane_name = ENCODE_UTF_8 (pane_name);
else if (STRING_MULTIBYTE (pane_name))
pane_name = ENCODE_SYSTEM (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
pane_string = (NILP (pane_name)
? "" : SSDATA (pane_name));
/* If there is just one top-level pane, put all its items directly
under the top-level menu. */
if (menu_items_n_panes == 1)
pane_string = "";
/* If the pane has a meaningful name,
make the pane a top-level menu item
with its items as a submenu beneath it. */
if (!(menuflags & MENU_KEYMAPS) && strcmp (pane_string, ""))
{
wv = make_widget_value (pane_string, NULL, true, Qnil);
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
if ((menuflags & MENU_KEYMAPS) && !NILP (prefix))
wv->name++;
wv->button_type = BUTTON_TYPE_NONE;
save_wv = wv;
prev_wv = 0;
}
else if (first_pane)
{
save_wv = wv;
prev_wv = 0;
}
first_pane = false;
i += MENU_ITEMS_PANE_LENGTH;
}
else
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, def, type, selected, help;
item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME);
enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE);
descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY);
def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION);
type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE);
selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED);
help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP);
if (STRINGP (item_name))
{
if (unicode_append_menu)
item_name = ENCODE_UTF_8 (item_name);
else if (STRING_MULTIBYTE (item_name))
item_name = ENCODE_SYSTEM (item_name);
ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name);
}
if (STRINGP (descrip) && STRING_MULTIBYTE (descrip))
{
descrip = ENCODE_SYSTEM (descrip);
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
wv = make_widget_value (SSDATA (item_name), NULL, !NILP (enable),
STRINGP (help) ? help : Qnil);
if (prev_wv)
prev_wv->next = wv;
else
save_wv->contents = wv;
if (!NILP (descrip))
wv->key = SSDATA (descrip);
/* Use the contents index as call_data, since we are
restricted to 16-bits. */
wv->call_data = !NILP (def) ? (void *) (UINT_PTR) i : 0;
if (NILP (type))
wv->button_type = BUTTON_TYPE_NONE;
else if (EQ (type, QCtoggle))
wv->button_type = BUTTON_TYPE_TOGGLE;
else if (EQ (type, QCradio))
wv->button_type = BUTTON_TYPE_RADIO;
else
emacs_abort ();
wv->selected = !NILP (selected);
prev_wv = wv;
i += MENU_ITEMS_ITEM_LENGTH;
}
}
/* Deal with the title, if it is non-nil. */
if (!NILP (title))
{
widget_value *wv_title;
widget_value *wv_sep = make_widget_value ("--", NULL, false, Qnil);
/* Maybe replace this separator with a bitmap or owner-draw item
so that it looks better. Having two separators looks odd. */
wv_sep->next = first_wv->contents;
if (unicode_append_menu)
title = ENCODE_UTF_8 (title);
else if (STRING_MULTIBYTE (title))
title = ENCODE_SYSTEM (title);
wv_title = make_widget_value (SSDATA (title), NULL, true, Qnil);
wv_title->title = TRUE;
wv_title->button_type = BUTTON_TYPE_NONE;
wv_title->next = wv_sep;
first_wv->contents = wv_title;
}
/* No selection has been chosen yet. */
menu_item_selection = 0;
/* Actually create the menu. */
current_popup_menu = menu = CreatePopupMenu ();
fill_in_menu (menu, first_wv->contents);
/* Adjust coordinates to be root-window-relative. */
pos.x = x;
pos.y = y;
ClientToScreen (FRAME_W32_WINDOW (f), &pos);
/* Display the menu. */
menu_item_selection = SendMessage (FRAME_W32_WINDOW (f),
WM_EMACS_TRACKPOPUPMENU,
(WPARAM)menu, (LPARAM)&pos);
/* Clean up extraneous mouse events which might have been generated
during the call. */
discard_mouse_events ();
FRAME_DISPLAY_INFO (f)->grabbed = 0;
/* Free the widget_value objects we used to specify the contents. */
free_menubar_widget_value_tree (first_wv);
DestroyMenu (menu);
/* Free the owner-drawn and help-echo menu strings. */
w32_free_menu_strings (FRAME_W32_WINDOW (f));
f->output_data.w32->menubar_active = 0;
/* Find the selected item, and its pane, to return
the proper value. */
if (menu_item_selection != 0)
{
Lisp_Object prefix, entry;
prefix = entry = Qnil;
i = 0;
while (i < menu_items_used)
{
if (EQ (AREF (menu_items, i), Qnil))
{
subprefix_stack[submenu_depth++] = prefix;
prefix = entry;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prefix = subprefix_stack[--submenu_depth];
i++;
}
else if (EQ (AREF (menu_items, i), Qt))
{
prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
i += MENU_ITEMS_PANE_LENGTH;
}
/* Ignore a nil in the item list.
It's meaningful only for dialog boxes. */
else if (EQ (AREF (menu_items, i), Qquote))
i += 1;
else
{
entry = AREF (menu_items, i + MENU_ITEMS_ITEM_VALUE);
if (menu_item_selection == i)
{
if (menuflags & MENU_KEYMAPS)
{
int j;
entry = Fcons (entry, Qnil);
if (!NILP (prefix))
entry = Fcons (prefix, entry);
for (j = submenu_depth - 1; j >= 0; j--)
if (!NILP (subprefix_stack[j]))
entry = Fcons (subprefix_stack[j], entry);
}
unblock_input ();
return entry;
}
i += MENU_ITEMS_ITEM_LENGTH;
}
}
}
else if (!(menuflags & MENU_FOR_CLICK))
{
unblock_input ();
/* Make "Cancel" equivalent to C-g. */
Fsignal (Qquit, Qnil);
}
unblock_input ();
return Qnil;
}
static Lisp_Object
xftfont_open (struct frame *f, Lisp_Object entity, int pixel_size)
{
FcResult result;
Display *display = FRAME_X_DISPLAY (f);
Lisp_Object val, filename, idx, font_object;
FcPattern *pat = NULL, *match;
struct xftfont_info *xftfont_info = NULL;
struct font *font;
double size = 0;
XftFont *xftfont = NULL;
int spacing;
int i;
XGlyphInfo extents;
FT_Face ft_face;
FcMatrix *matrix;
val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX));
if (! CONSP (val))
return Qnil;
val = XCDR (val);
filename = XCAR (val);
idx = XCDR (val);
size = XINT (AREF (entity, FONT_SIZE_INDEX));
if (size == 0)
size = pixel_size;
pat = FcPatternCreate ();
FcPatternAddInteger (pat, FC_WEIGHT, FONT_WEIGHT_NUMERIC (entity));
i = FONT_SLANT_NUMERIC (entity) - 100;
if (i < 0) i = 0;
FcPatternAddInteger (pat, FC_SLANT, i);
FcPatternAddInteger (pat, FC_WIDTH, FONT_WIDTH_NUMERIC (entity));
FcPatternAddDouble (pat, FC_PIXEL_SIZE, pixel_size);
val = AREF (entity, FONT_FAMILY_INDEX);
if (! NILP (val))
FcPatternAddString (pat, FC_FAMILY, (FcChar8 *) SDATA (SYMBOL_NAME (val)));
val = AREF (entity, FONT_FOUNDRY_INDEX);
if (! NILP (val))
FcPatternAddString (pat, FC_FOUNDRY, (FcChar8 *) SDATA (SYMBOL_NAME (val)));
val = AREF (entity, FONT_SPACING_INDEX);
if (! NILP (val))
FcPatternAddInteger (pat, FC_SPACING, XINT (val));
val = AREF (entity, FONT_DPI_INDEX);
if (! NILP (val))
{
double dbl = XINT (val);
FcPatternAddDouble (pat, FC_DPI, dbl);
}
val = AREF (entity, FONT_AVGWIDTH_INDEX);
if (INTEGERP (val) && XINT (val) == 0)
FcPatternAddBool (pat, FC_SCALABLE, FcTrue);
/* This is necessary to identify the exact font (e.g. 10x20.pcf.gz
over 10x20-ISO8859-1.pcf.gz). */
FcPatternAddCharSet (pat, FC_CHARSET, ftfont_get_fc_charset (entity));
xftfont_add_rendering_parameters (pat, entity);
FcPatternAddString (pat, FC_FILE, (FcChar8 *) SDATA (filename));
FcPatternAddInteger (pat, FC_INDEX, XINT (idx));
block_input ();
/* Substitute in values from X resources and XftDefaultSet. */
XftDefaultSubstitute (display, FRAME_X_SCREEN_NUMBER (f), pat);
match = XftFontMatch (display, FRAME_X_SCREEN_NUMBER (f), pat, &result);
xftfont_fix_match (pat, match);
FcPatternDestroy (pat);
xftfont = XftFontOpenPattern (display, match);
if (!xftfont)
{
unblock_input ();
XftPatternDestroy (match);
return Qnil;
}
ft_face = XftLockFace (xftfont);
unblock_input ();
/* We should not destroy PAT here because it is kept in XFTFONT and
destroyed automatically when XFTFONT is closed. */
font_object = font_build_object (VECSIZE (struct xftfont_info),
Qxft, entity, size);
ASET (font_object, FONT_FILE_INDEX, filename);
font = XFONT_OBJECT (font_object);
font->pixel_size = size;
font->driver = &xftfont_driver;
font->encoding_charset = font->repertory_charset = -1;
xftfont_info = (struct xftfont_info *) font;
xftfont_info->display = display;
xftfont_info->xftfont = xftfont;
xftfont_info->x_display_id = FRAME_DISPLAY_INFO (f)->x_id;
/* This means that there's no need of transformation. */
xftfont_info->matrix.xx = 0;
if (FcPatternGetMatrix (xftfont->pattern, FC_MATRIX, 0, &matrix)
== FcResultMatch)
{
xftfont_info->matrix.xx = 0x10000L * matrix->xx;
xftfont_info->matrix.yy = 0x10000L * matrix->yy;
xftfont_info->matrix.xy = 0x10000L * matrix->xy;
xftfont_info->matrix.yx = 0x10000L * matrix->yx;
}
if (INTEGERP (AREF (entity, FONT_SPACING_INDEX)))
spacing = XINT (AREF (entity, FONT_SPACING_INDEX));
else
spacing = FC_PROPORTIONAL;
if (! ascii_printable[0])
{
int ch;
for (ch = 0; ch < 95; ch++)
ascii_printable[ch] = ' ' + ch;
}
block_input ();
/* Unfortunately Xft doesn't provide a way to get minimum char
width. So, we set min_width to space_width. */
if (spacing != FC_PROPORTIONAL
#ifdef FC_DUAL
&& spacing != FC_DUAL
#endif /* FC_DUAL */
)
{
font->min_width = font->max_width = font->average_width
= font->space_width = xftfont->max_advance_width;
XftTextExtents8 (display, xftfont, ascii_printable + 1, 94, &extents);
}
else
{
XftTextExtents8 (display, xftfont, ascii_printable, 1, &extents);
font->min_width = font->max_width = font->space_width
= extents.xOff;
if (font->space_width <= 0)
/* dirty workaround */
font->space_width = pixel_size;
XftTextExtents8 (display, xftfont, ascii_printable + 1, 94, &extents);
font->average_width = (font->space_width + extents.xOff) / 95;
}
unblock_input ();
font->ascent = xftfont->ascent;
font->descent = xftfont->descent;
if (pixel_size >= 5)
{
/* The above condition is a dirty workaround because
XftTextExtents8 behaves strangely for some fonts
(e.g. "Dejavu Sans Mono") when pixel_size is less than 5. */
if (font->ascent < extents.y)
font->ascent = extents.y;
if (font->descent < extents.height - extents.y)
font->descent = extents.height - extents.y;
}
font->height = font->ascent + font->descent;
if (XINT (AREF (entity, FONT_SIZE_INDEX)) == 0)
{
int upEM = ft_face->units_per_EM;
font->underline_position = -ft_face->underline_position * size / upEM;
font->underline_thickness = ft_face->underline_thickness * size / upEM;
if (font->underline_thickness > 2)
font->underline_position -= font->underline_thickness / 2;
}
else
{
font->underline_position = -1;
font->underline_thickness = 0;
}
#ifdef HAVE_LIBOTF
xftfont_info->maybe_otf = (ft_face->face_flags & FT_FACE_FLAG_SFNT) != 0;
xftfont_info->otf = NULL;
#endif /* HAVE_LIBOTF */
xftfont_info->ft_size = ft_face->size;
font->baseline_offset = 0;
font->relative_compose = 0;
font->default_ascent = 0;
font->vertical_centering = false;
#ifdef FT_BDF_H
if (! (ft_face->face_flags & FT_FACE_FLAG_SFNT))
{
BDF_PropertyRec rec;
if (FT_Get_BDF_Property (ft_face, "_MULE_BASELINE_OFFSET", &rec) == 0
&& rec.type == BDF_PROPERTY_TYPE_INTEGER)
font->baseline_offset = rec.u.integer;
if (FT_Get_BDF_Property (ft_face, "_MULE_RELATIVE_COMPOSE", &rec) == 0
&& rec.type == BDF_PROPERTY_TYPE_INTEGER)
font->relative_compose = rec.u.integer;
if (FT_Get_BDF_Property (ft_face, "_MULE_DEFAULT_ASCENT", &rec) == 0
&& rec.type == BDF_PROPERTY_TYPE_INTEGER)
font->default_ascent = rec.u.integer;
}
#endif
return font_object;
}
