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############################################################################
#
# File: vstd.icn
#
# Subject: Procedures for standard lookups
#
# Author: Jon Lipp
#
# Date: June 23, 2000
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# Utility procedures in this file:
# VInit()
# null_proc()
# Vget_uid()
# _Vbomb()
# Vinsert_check()
# Vwin_check()
#
############################################################################
record Vstd(event, draw, outline, resize, inrange, init, couplerset,
insert, remove, lookup, set_abs, set_value )
record Vstd_coupler(set, add_client, init, unset, toggle, eval)
record Vstd_dialog(open_dialog, register, format, unregister, entries, focus,
text_entries, text_lu)
#
# Used by menus, buttons
#
record Vstd_draw(draw_off, draw_on, init, space, CS, CP, outline,
basex, basey, pick, format)
#
# type is non-null for vertical; &null for horizontal.
#
record Vstd_scrollbar(sp, sw, tw, th, ws, cv_range, oldpos, rev,
frame, drawn, type)
record Vstd_pos(x, y, w, h)
global Vrecset, Vcoupler_recset
global V_TEXT_PAD, V_NO_RB_FOCUS, V_DRAGGING, V_FAIL
global V_IMAGE, V_IMAGE_NO, V_RECT, V_2D, V_CHECK, V_CIRCLE, V_DIAMOND, V_XBOX
global V_RECT_NO, V_2D_NO, V_CHECK_NO, V_CIRCLE_NO, V_DIAMOND_NO, V_XBOX_NO
global V_CANCEL, V_OK, V_NEXT, V_PREVIOUS
global V_ARROW, V_COUPLER, V_DUMMY_ID
procedure null_proc()
end
procedure VInit()
initial {
# Define the cset of all allowable vidget record types.
Vrecset := set(["Vbutton_rec", "Vcheckbox_rec",
"Vline_rec", "Vdialog_frame_rec",
"Vframe_rec", "Vmenu_item_rec",
"Vmenu_frame_rec", "Vradio_entry_rec", "Vradio_frame_rec",
"Vpull_down_button_rec", "Vpane_rec", "Varrow_rec",
"Vthumb_rec", "Vscrollbar_frame_rec",
"Vslider_rec", "Vtext_rec", "Vgrid_rec"])
Vcoupler_recset := set(["Vcoupler_rec", "Vrange_coupler_rec"])
# The padding in a Vtext_in between the data outline and the data text.
V_TEXT_PAD := 4
# Used for button styles.
V_RECT := V_2D := -690402
V_CHECK := -690403
V_CIRCLE := -690404
V_RECT_NO := V_2D_NO := -690406
V_CHECK_NO := -690407
V_CIRCLE_NO := -690408
V_XBOX := -690409
V_XBOX_NO := -690410
V_DIAMOND := -690411
V_DIAMOND_NO := -690412
V_IMAGE := -690413
V_IMAGE_NO := -690414
# Used for communication between a dialog box and its contents.
V_CANCEL := -690417
V_OK := -690418
V_NEXT := -690419
V_PREVIOUS := -690420
# Used for telling a radio button frame *not* to turn on a default
# selection.
V_NO_RB_FOCUS := -690421
# Used in menus.
V_DRAGGING := -690422
V_FAIL := -690423
# Lets a thumb know an arrow called its couplerset.
V_ARROW := -690424
V_COUPLER := -690425
V_DUMMY_ID := -690426
}
end
procedure Vget_uid()
static uid
initial uid := 0
uid +:= 1
return uid
end
procedure _Vbomb(str)
write(&errout, "Vidget error: ", str)
runerr(600)
end
procedure Vinsert_check(p)
static type
initial type := proc("type", 0) # protect attractive name
if type(p[1]) ? find("frame") then {
if not (numeric(p[2]), numeric(p[3])) then
_Vbomb("invalid x or y coordinate to VInsert()")
return 1
}
else fail
end
procedure Vwin_check(win, caller)
static type
initial type := proc("type", 0) # protect attractive name
if not (type(win) ? ="window") then
_Vbomb("invalid window parameter to "|| caller)
end
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