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(Fx_hide_tip): Avoid unnecessary work when there's

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nothing to do.  Bind inhibit-quit.
(tip_frame): Make it a Lisp_Object.
(x_create_tip_frame): Set tip_frame after it has been added to
Vframe_list.
(Fx_show_tip): Don't set tip_frame here.
(image_cache_refcount, dpyinfo_refcount) [GLYPH_DEBUG]: New
variables.
(unwind_create_frame, unwind_create_tip_frame): New functions.
(Fx_create_frame, x_create_tip_frame): Handle errors signaled
while a frame is only partially constructed.
This commit is contained in:
Andrew Innes
2000-12-14 10:55:36 +00:00
parent 25badd7aeb
commit 937e601efc
1 changed files with 87 additions and 21 deletions
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108
src/w32fns.c
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@@ -333,6 +333,11 @@ extern Lisp_Object Vwindow_system_version;
Lisp_Object Qface_set_after_frame_default;
#ifdef GLYPH_DEBUG
int image_cache_refcount, dpyinfo_refcount;
#endif
/* From w32term.c. */
extern Lisp_Object Vw32_num_mouse_buttons;
extern Lisp_Object Vw32_recognize_altgr;
@@ -688,6 +693,9 @@ struct x_frame_parm_table
void (*setter) P_ ((struct frame *, Lisp_Object, Lisp_Object));
};
static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
static void x_change_window_heights P_ ((Lisp_Object, int));
/* TODO: Native Input Method support; see x_create_im. */
void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
static void x_set_line_spacing P_ ((struct frame *, Lisp_Object, Lisp_Object));
@@ -5109,6 +5117,37 @@ x_make_gc (f)
}
/* Handler for signals raised during x_create_frame and
x_create_top_frame. FRAME is the frame which is partially
constructed. */
static Lisp_Object
unwind_create_frame (frame)
Lisp_Object frame;
{
struct frame *f = XFRAME (frame);
/* If frame is ``official'', nothing to do. */
if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame))
{
#ifdef GLYPH_DEBUG
struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
#endif
x_free_frame_resources (f);
/* Check that reference counts are indeed correct. */
xassert (dpyinfo->reference_count == dpyinfo_refcount);
xassert (dpyinfo->image_cache->refcount == image_cache_refcount);
tip_window = NULL;
tip_frame = Qnil;
}
return Qnil;
}
DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame,
1, 1, 0,
"Make a new window, which is called a \"frame\" in Emacs terms.\n\
@@ -5198,8 +5237,8 @@ This function is an internal primitive--use `make-frame' instead.")
f->output_data.w32 =
(struct w32_output *) xmalloc (sizeof (struct w32_output));
bzero (f->output_data.w32, sizeof (struct w32_output));
FRAME_FONTSET (f) = -1;
record_unwind_protect (unwind_create_frame, frame);
f->icon_name
= w32_get_arg (parms, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
@@ -12176,7 +12215,7 @@ static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *,
/* The frame of a currently visible tooltip, or null. */
struct frame *tip_frame;
Lisp_Object tip_frame;
/* If non-nil, a timer started that hides the last tooltip when it
fires. */
@@ -12184,8 +12223,23 @@ struct frame *tip_frame;
Lisp_Object tip_timer;
Window tip_window;
static Lisp_Object
unwind_create_tip_frame (frame)
Lisp_Object frame;
{
tip_window = NULL;
tip_frame = Qnil;
return unwind_create_frame (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. Value is the frame.
Note that functions called here, esp. x_default_parameter can
signal errors, for instance when a specified color name is
undefined. We have to make sure that we're in a consistent state
when this happens. */
static Lisp_Object
x_create_tip_frame (dpyinfo, parms)
@@ -12224,9 +12278,10 @@ x_create_tip_frame (dpyinfo, parms)
frame = Qnil;
GCPRO3 (parms, name, frame);
tip_frame = f = make_frame (1);
f = make_frame (1);
XSETFRAME (frame, f);
FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
record_unwind_protect (unwind_create_tip_frame, frame);
f->output_method = output_w32;
f->output_data.w32 =
@@ -12238,6 +12293,10 @@ x_create_tip_frame (dpyinfo, parms)
f->output_data.w32->fontset = -1;
f->icon_name = Qnil;
#ifdef GLYPH_DEBUG
image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount;
dpyinfo_refcount = dpyinfo->reference_count;
#endif /* GLYPH_DEBUG */
#ifdef MULTI_KBOARD
FRAME_KBOARD (f) = kb;
#endif
@@ -12412,6 +12471,7 @@ x_create_tip_frame (dpyinfo, parms)
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. */
@@ -12498,7 +12558,7 @@ DY added (default is -5).")
/* Create a frame for the tooltip, and record it in the global
variable tip_frame. */
frame = x_create_tip_frame (FRAME_W32_DISPLAY_INFO (f), parms);
tip_frame = f = XFRAME (frame);
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
@@ -12605,28 +12665,34 @@ DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
Value is t is tooltip was open, nil otherwise.")
()
{
int count = specpdl_ptr - specpdl;
int deleted_p = 0;
int count;
Lisp_Object deleted, frame, timer;
struct gcpro gcpro1, gcpro2;
/* Return quickly if nothing to do. */
if (NILP (tip_timer) && NILP (tip_frame))
return Qnil;
frame = tip_frame;
timer = tip_timer;
GCPRO2 (frame, timer);
tip_frame = tip_timer = deleted = Qnil;
count = BINDING_STACK_SIZE ();
specbind (Qinhibit_redisplay, Qt);
specbind (Qinhibit_quit, Qt);
if (!NILP (tip_timer))
if (!NILP (timer))
call1 (intern ("cancel-timer"), timer);
if (FRAMEP (frame))
{
call1 (intern ("cancel-timer"), tip_timer);
tip_timer = Qnil;
Fdelete_frame (frame, Qnil);
deleted = Qt;
}
if (tip_frame)
{
Lisp_Object frame;
XSETFRAME (frame, tip_frame);
Fdelete_frame (frame, Qt);
tip_frame = NULL;
deleted_p = 1;
}
return unbind_to (count, deleted_p ? Qt : Qnil);
UNGCPRO;
return unbind_to (count, deleted);
}
#endif