diff options
Diffstat (limited to 'specs/CH07.xml')
-rw-r--r-- | specs/CH07.xml | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/specs/CH07.xml b/specs/CH07.xml index c576ad9..09d4dbc 100644 --- a/specs/CH07.xml +++ b/specs/CH07.xml @@ -2426,21 +2426,17 @@ Specifies the application context that identifies the application. </variablelist> <para> -The -<xref linkend='XtAppMainLoop' xrefstyle='select: title'/> -function first reads the next incoming X event by calling -<xref linkend='XtAppNextEvent' xrefstyle='select: title'/> -and then dispatches the event to the appropriate registered procedure -by calling -<xref linkend='XtDispatchEvent' xrefstyle='select: title'/>. +The <xref linkend='XtAppMainLoop' xrefstyle='select: title'/> +function processes events using +<xref linkend='XtAppProcessEvent' xrefstyle='select: title'/>, +varying the <emphasis remap='I'>mask parameter</emphasis> +and using <xref linkend='XtAppPending' xrefstyle='select: title'/> +to ensure that it has a chance to handle events of all types, +i.e., X events, timer events, input events and signal sources. This constitutes the main loop of X Toolkit applications. There is nothing special about <xref linkend='XtAppMainLoop' xrefstyle='select: title'/>; -it simply calls -<xref linkend='XtAppNextEvent' xrefstyle='select: title'/> -and then -<xref linkend='XtDispatchEvent' xrefstyle='select: title'/> -in a conditional loop. +it simply processes events in a conditional loop. At the bottom of the loop, it checks to see if the specified application context's destroy flag is set. If the flag is set, the loop breaks. |