 | Practical Programming in Tcl & Tk, Third Edition
By Brent B. Welch
| | Table of Contents | | |
[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]
Handlers, Exit
Handlers, File
Handling Graphic Protocol Errors
Handling Window Events
Harrison, Mark 2nd
hash table
hash table package, in C
Hash Table, Creating and Removing Elements
Hash Tables, Creating and Destroying
hbox, window layout
HEAD, HTTP
Header Files, Standard
Hello, World! Tk program
Hello, World!, canvas example
Help menu
help pop-up
Hidden Commands
Hidden Text
high resolution timer
History Syntax, Tcl
History, command
history, Tcl command
horizontal and vertical layout, nested
horizontal fill in a menu bar
horizontal window layout
hostname
Hot Tip
abbreviate history commands
args and eval
array elements on demand
array for module data
attribute resource names
Big lists can be slow
bind callback is in global scope
borders, padding, and highlight
braces get stripped off
button command procedures
canvas stroke example
careful file open
color, convert to RGB
comments at the end of line
comments in switch
curly brace placement
debug Tk with tkinspect
do not declare Tcl variables
entry, displaying end of string
errors on close
eval and double quotes
expr is unreliable for string comparison
find file by name
global inside procedures
group command bodies with braces for safety
group expressions with braces
group expressions with braces for performance
grouping before substitution
I/O operations and fileevent
labels that change size
list handling in C code
list with foreach
list, after, and send
menu accelerator, consistent
menu index pattern
message text layout
mouse cursors, all shown
open a process pipeline
pack the scrollbar first
packing widgets to a side
pipelines and error output
procedures to hide list structure
quotes lose list structure
resources, general patterns first
result string, managing in C
scrollbar for two listboxes
scrolling widgets on a canvas
send requires X authority
send, constructing commands
single round of interpretation
size not set until mapped
string conversions by expr
Tcl_Eval may modify its string
text mark gravity
The list command does automatic quoting
tkwait on global variable
traces on entry values
trapping errors from pipelines
update, using safely
Use arrays to collect related variables
variable for widget name
virtual root window coordinates
widget data, safety in C
window session protocol
window size, getting correct
Hot Tip:font, fall back to fixed
font:fall back to fixed
Hot Tip:Tcl_Obj initial reference count is zero
reference count, zero initial value
Tcl_Obj reference count
How Auto Loading Works
HTML
A Quick Introduction
comments, removing
Dynamic Pages
entity decoder
form, self-checking
Page, Beginning
Simple Parser
Tcl template file 2nd
templates, for site structure
templates, form handlers
Html_DecodeEntity
Html_Parse
http
HTTP download
HTTP, network protocol
http\
\
cleanup
config
formatQuery
geturl
reset
Http_Get fetches the contents of a URL
Http_Head validates a URL
HttpCopyDone is used with fcopy
HttpGetText reads text URLs
Hypertext Links, Simple Tags
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