| Wiki Markup |
|---|
{alias:qshow}
h2. Name
*qshow* — draw widget, making it visible
h2. Syntax
{panel:|borderStyle=solid|borderWidth=1|bgColor=#FFFFAA}
*qshow* \[_widget_]
{panel}
h2. Description
The *qshow* command makes visible the given widget. Any child widgets the widget may have are also shown.
QTcl makes a distinction between creating widgets and showing them. A QTcl script will typically have several commands that just create widgets in memory with a final qshow at the end, at which point the widgets are made visible. The current widget may be made invisible using the [qclose] command.
h2. Arguments
_widget_
{indent}Any widget. If a widget is not provided as argument the current widget is used.
{indent}
h2. Examples
h3. Ex.1: Displaying a widget
{anchor:Displaying a widget}
{noformat:|borderWidth=1|bgColor=#eeeeee} |
Name
qshow — draw widget, making it visible
Syntax
| Panel | ||||||
|---|---|---|---|---|---|---|
| ||||||
qshow [widget] |
Description
The qshow command makes visible the given widget. Any child widgets the widget may have are also shown.
QTcl makes a distinction between creating widgets and showing them. A QTcl script will typically have several commands that just create widgets in memory with a final qshow at the end, at which point the widgets are made visible. The current widget may be made invisible using the qclose command.
Arguments
widget
Examples
Ex.1: Displaying a widget
| Anchor | ||||
|---|---|---|---|---|
|
| No Format | ||||
|---|---|---|---|---|
| ||||
# Window to be shown and closed
set w [qwidget]
qsetwindowtitle "Child"
qshow $w
# Controller window
set c [qwidget]
qsetwindowtitle Controller
qhboxlayout {
qpushbutton Show { qshow $w }
qpushbutton Close { qclose $w }
}
qshow $c
{noformat}
|
The
...
example
...
Displaying
...
a
...
widget
...
creates
...
two
...
windows,
...
one
...
with
...
buttons
...
to
...
toggle
...
the
...
visibility
...
of
...
the
...
other.
...
The
...
"Child"
...
window
...
is
...
never
...
deleted
...
in
...
memory,
...
even
...
when
...
subjected
...
to
...
a
...
close
...
operation.
...
If
...
the
...
qdeleteonclose
...
attribute
...
is
...
set,
...
however,
...
closing
...
the
...
window
...
will
...
also
...
remove
...
all
...
widget
...
data
...
from
...
memory,
...
in
...
which
...
it
...
can
...
not
...
be
...
shown
...
anymore.
...