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Finished the libWUtil library.

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dan
1999-09-10 20:13:44 +00:00
parent d214a2ca98
commit f2f71a1f09
6 changed files with 188 additions and 95 deletions
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@@ -3,6 +3,50 @@ changes since wmaker 0.60.0:
- added WMScreenWidth() and WMScreenHeight() functions.
- fixed some problems when compiling with non gcc compilers.
- added libWUtil, a library that is a subset of libWINGs. It contains utils
that can be used in writing non-GUI programs. They include: hashes,
notifications, input/idle/timer handlers, user defaults database handling,
memory handling, application resource handling, etc.
All the non-GUI stuff from libWINGs is present.
Still linWINGs contain all this stuff so if you use libWINGs, you don't
need to link against libWUtil too.
One notable aspect of libWUtil is that it has a modified version of the
event handling function. It is named WHandleEvents() and will handle all
input/idle/timer events the app has.
If your app has a permanent input handler (as for example a socket a server
is listening on), then the main loop of the app can be:
while(1) {
WHandleEvents();
}
but if there is no permanent input handler, you need to add some delay to
avoid a too high cpu load by your program:
while(1) {
WHandleEvents();
wusleep(5000);
}
A permanent input handler is one that is established when the program starts
and is present until the program exits.
One that is deleted and later reinstalled, is not considered permanent.
This difference is because if there is some input handler, the function will
block until some event appears, while if there is no input handler the
function will return almost immediately (after handling the timer/idle
stuff).
Except the stuff declared in WUtil.h, the following functions declared in
WINGs.h are also present in libWUtil (you will need to #include <WINGs.h>
if you use one of these):
WMInitializeApplication(char *applicationName, int *argc, char **argv);
WMSetResourcePath(char *path);
WMGetApplicationName();
WMPathForResourceOfType(char *resource, char *ext);
WMAddTimerHandler(int milliseconds, WMCallback *callback, void *cdata);
WMDeleteTimerWithClientData(void *cdata);
WMDeleteTimerHandler(WMHandlerID handlerID);
WMAddIdleHandler(WMCallback *callback, void *cdata);
WMDeleteIdleHandler(WMHandlerID handlerID);
WMAddInputHandler(int fd, int condition, WMInputProc *proc,
void *clientData);
WMDeleteInputHandler(WMHandlerID handlerID);
changes since wmaker 0.53.0: