/* Generic frame functions.
+
Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <stdio.h>
#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
#include <setjmp.h>
#include "lisp.h"
#include "character.h"
#endif
-/* If we shall make pointer invisible when typing or not. */
-Lisp_Object Vmake_pointer_invisible;
-
#ifdef HAVE_WINDOW_SYSTEM
-/* The name we're using in resource queries. Most often "emacs". */
-
-Lisp_Object Vx_resource_name;
-
-/* The application class we're using in resource queries.
- Normally "Emacs". */
-
-Lisp_Object Vx_resource_class;
-
-/* Lower limit value of the frame opacity (alpha transparency). */
-
-Lisp_Object Vframe_alpha_lower_limit;
-
#endif
#ifdef HAVE_NS
Lisp_Object Qexplicit_name;
Lisp_Object Qunsplittable;
Lisp_Object Qmenu_bar_lines, Qtool_bar_lines, Qtool_bar_position;
-Lisp_Object Vmenu_bar_mode, Vtool_bar_mode;
Lisp_Object Qleft_fringe, Qright_fringe;
Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
Lisp_Object Qtty_color_mode;
Lisp_Object Qface_set_after_frame_default;
-Lisp_Object Vterminal_frame;
-Lisp_Object Vdefault_frame_alist;
-Lisp_Object Vdefault_frame_scroll_bars;
-Lisp_Object Vmouse_position_function;
-Lisp_Object Vmouse_highlight;
-static Lisp_Object Vdelete_frame_functions, Qdelete_frame_functions;
+static Lisp_Object Qdelete_frame_functions;
-int focus_follows_mouse;
\f
static void
set_menu_bar_lines_1 (Lisp_Object window, int n)
\f
DEFUN ("framep", Fframep, Sframep, 1, 1, 0,
doc: /* Return non-nil if OBJECT is a frame.
-Value is t for a termcap frame (a character-only terminal),
-`x' for an Emacs frame that is really an X window,
-`w32' for an Emacs frame that is a window on MS-Windows display,
-`ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
-`pc' for a direct-write MS-DOS frame.
+Value is:
+ t for a termcap frame (a character-only terminal),
+ 'x' for an Emacs frame that is really an X window,
+ 'w32' for an Emacs frame that is a window on MS-Windows display,
+ 'ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
+ 'pc' for a direct-write MS-DOS frame.
See also `frame-live-p'. */)
(Lisp_Object object)
{
DEFUN ("window-system", Fwindow_system, Swindow_system, 0, 1, 0,
doc: /* The name of the window system that FRAME is displaying through.
-The value is a symbol---for instance, 'x' for X windows.
-The value is nil if Emacs is using a text-only terminal.
-
-FRAME defaults to the currently selected frame. */)
+The value is a symbol:
+ nil for a termcap frame (a character-only terminal),
+ 'x' for an Emacs frame that is really an X window,
+ 'w32' for an Emacs frame that is a window on MS-Windows display,
+ 'ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
+ 'pc' for a direct-write MS-DOS frame.
+
+FRAME defaults to the currently selected frame.
+
+Use of this function as a predicate is deprecated. Instead,
+use `display-graphic-p' or any of the other `display-*-p'
+predicates which report frame's specific UI-related capabilities. */)
(Lisp_Object frame)
{
Lisp_Object type;
if (len > 1 && str[0] == 'F')
{
char *end_ptr;
+ long int n;
+ errno = 0;
+ n = strtol (str + 1, &end_ptr, 10);
- strtol (str + 1, &end_ptr, 10);
-
- if (end_ptr == str + len)
+ if (end_ptr == str + len
+ && INT_MIN <= n && n <= INT_MAX
+ && ((LONG_MIN < n && n < LONG_MAX) || errno != ERANGE))
return 1;
}
return 0;
void
x_set_font (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
- Lisp_Object frame, font_object, font_param = Qnil;
+ Lisp_Object font_object, font_param = Qnil;
int fontset = -1;
/* Set the frame parameter back to the old value because we may
return Fcdr (tem);
}
-Lisp_Object
+static Lisp_Object
x_frame_get_arg (struct frame *f, Lisp_Object alist, Lisp_Object param,
const char *attribute, const char *class,
enum resource_types type)
CHECK_STRING (string);
- geometry = XParseGeometry ((char *) SDATA (string),
+ geometry = XParseGeometry (SSDATA (string),
&x, &y, &width, &height);
result = Qnil;
if (geometry & XValue)
}
}
+DEFUN ("frame-pointer-visible-p", Fframe_pointer_visible_p,
+ Sframe_pointer_visible_p, 0, 1, 0,
+ doc: /* Return t if the mouse pointer displayed on FRAME is visible.
+Otherwise it returns nil. FRAME omitted or nil means the
+selected frame. This is useful when `make-pointer-invisible' is set. */)
+ (Lisp_Object frame)
+{
+ if (NILP (frame))
+ frame = selected_frame;
+
+ CHECK_FRAME (frame);
+
+ return (XFRAME (frame)->pointer_invisible ? Qnil : Qt);
+}
\f
/***********************************************************************
}
#ifdef HAVE_WINDOW_SYSTEM
- DEFVAR_LISP ("x-resource-name", &Vx_resource_name,
+ DEFVAR_LISP ("x-resource-name", Vx_resource_name,
doc: /* The name Emacs uses to look up X resources.
`x-get-resource' uses this as the first component of the instance name
when requesting resource values.
to `x-get-resource'. See also the variable `x-resource-class'. */);
Vx_resource_name = Qnil;
- DEFVAR_LISP ("x-resource-class", &Vx_resource_class,
+ DEFVAR_LISP ("x-resource-class", Vx_resource_class,
doc: /* The class Emacs uses to look up X resources.
`x-get-resource' uses this as the first component of the instance class
when requesting resource values.
is a reasonable practice. See also the variable `x-resource-name'. */);
Vx_resource_class = build_string (EMACS_CLASS);
- DEFVAR_LISP ("frame-alpha-lower-limit", &Vframe_alpha_lower_limit,
+ DEFVAR_LISP ("frame-alpha-lower-limit", Vframe_alpha_lower_limit,
doc: /* The lower limit of the frame opacity (alpha transparency).
The value should range from 0 (invisible) to 100 (completely opaque).
You can also use a floating number between 0.0 and 1.0.
Vframe_alpha_lower_limit = make_number (20);
#endif
- DEFVAR_LISP ("default-frame-alist", &Vdefault_frame_alist,
+ DEFVAR_LISP ("default-frame-alist", Vdefault_frame_alist,
doc: /* Alist of default values for frame creation.
These may be set in your init file, like this:
(setq default-frame-alist '((width . 80) (height . 55) (menu-bar-lines . 1)))
Setting this variable does not affect existing frames, only new ones. */);
Vdefault_frame_alist = Qnil;
- DEFVAR_LISP ("default-frame-scroll-bars", &Vdefault_frame_scroll_bars,
+ DEFVAR_LISP ("default-frame-scroll-bars", Vdefault_frame_scroll_bars,
doc: /* Default position of scroll bars on this window-system. */);
#ifdef HAVE_WINDOW_SYSTEM
#if defined(HAVE_NTGUI) || defined(NS_IMPL_COCOA) || (defined(USE_GTK) && defined(USE_TOOLKIT_SCROLL_BARS))
Vdefault_frame_scroll_bars = Qnil;
#endif
- DEFVAR_LISP ("terminal-frame", &Vterminal_frame,
+ DEFVAR_LISP ("terminal-frame", Vterminal_frame,
doc: /* The initial frame-object, which represents Emacs's stdout. */);
- DEFVAR_LISP ("mouse-position-function", &Vmouse_position_function,
+ DEFVAR_LISP ("mouse-position-function", Vmouse_position_function,
doc: /* If non-nil, function to transform normal value of `mouse-position'.
`mouse-position' calls this function, passing its usual return value as
argument, and returns whatever this function returns.
which need to do mouse handling at the Lisp level. */);
Vmouse_position_function = Qnil;
- DEFVAR_LISP ("mouse-highlight", &Vmouse_highlight,
+ DEFVAR_LISP ("mouse-highlight", Vmouse_highlight,
doc: /* If non-nil, clickable text is highlighted when mouse is over it.
If the value is an integer, highlighting is only shown after moving the
mouse, while keyboard input turns off the highlight even when the mouse
when the mouse is over clickable text. */);
Vmouse_highlight = Qt;
- DEFVAR_LISP ("make-pointer-invisible", &Vmake_pointer_invisible,
+ DEFVAR_LISP ("make-pointer-invisible", Vmake_pointer_invisible,
doc: /* If non-nil, make pointer invisible while typing.
The pointer becomes visible again when the mouse is moved. */);
Vmake_pointer_invisible = Qt;
- DEFVAR_LISP ("delete-frame-functions", &Vdelete_frame_functions,
+ DEFVAR_LISP ("delete-frame-functions", Vdelete_frame_functions,
doc: /* Functions to be run before deleting a frame.
The functions are run with one arg, the frame to be deleted.
See `delete-frame'.
Qdelete_frame_functions = intern_c_string ("delete-frame-functions");
staticpro (&Qdelete_frame_functions);
- DEFVAR_LISP ("menu-bar-mode", &Vmenu_bar_mode,
- doc: /* Non-nil if Menu-Bar mode is enabled. */);
+ DEFVAR_LISP ("menu-bar-mode", Vmenu_bar_mode,
+ doc: /* Non-nil if Menu-Bar mode is enabled.
+See the command `menu-bar-mode' for a description of this minor mode.
+Setting this variable directly does not take effect;
+either customize it (see the info node `Easy Customization')
+or call the function `menu-bar-mode'. */);
Vmenu_bar_mode = Qt;
- DEFVAR_LISP ("tool-bar-mode", &Vtool_bar_mode,
- doc: /* Non-nil if Tool-Bar mode is enabled. */);
+ DEFVAR_LISP ("tool-bar-mode", Vtool_bar_mode,
+ doc: /* Non-nil if Tool-Bar mode is enabled.
+See the command `tool-bar-mode' for a description of this minor mode.
+Setting this variable directly does not take effect;
+either customize it (see the info node `Easy Customization')
+or call the function `tool-bar-mode'. */);
+#ifdef HAVE_WINDOW_SYSTEM
Vtool_bar_mode = Qt;
+#else
+ Vtool_bar_mode = Qnil;
+#endif
DEFVAR_KBOARD ("default-minibuffer-frame", Vdefault_minibuffer_frame,
doc: /* Minibufferless frames use this frame's minibuffer.
This variable is local to the current terminal and cannot be buffer-local. */);
- DEFVAR_BOOL ("focus-follows-mouse", &focus_follows_mouse,
+ DEFVAR_BOOL ("focus-follows-mouse", focus_follows_mouse,
doc: /* Non-nil if window system changes focus when you move the mouse.
You should set this variable to tell Emacs how your window manager
handles focus, since there is no way in general for Emacs to find out
automatically. See also `mouse-autoselect-window'. */);
-#ifdef HAVE_WINDOW_SYSTEM
-#if defined(HAVE_NTGUI) || defined(HAVE_NS)
focus_follows_mouse = 0;
-#else
- focus_follows_mouse = 1;
-#endif
-#else
- focus_follows_mouse = 0;
-#endif
staticpro (&Vframe_list);
defsubr (&Sset_frame_width);
defsubr (&Sset_frame_size);
defsubr (&Sset_frame_position);
+ defsubr (&Sframe_pointer_visible_p);
#ifdef HAVE_WINDOW_SYSTEM
defsubr (&Sx_get_resource);
#endif
}
-
-/* arch-tag: 7dbf2c69-9aad-45f8-8296-db893d6dd039
- (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff