Texas Instruments TI-89 - Page 958

916
Appendix A: System Routines — Operating System
TI
-
89 / TI
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92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
EV_captureEvents
(continued)
/* Display my window */
if (! WinOpen(&myWindow, &r, WF_SAVE_SCR|WF_ROUNDEDBORDER|WF_TITLE|WF_TTY,
"MY WINDOW"))
{
EV_restorePainting(oldPaintState);
return;
}
WinActivate(&myWindow);
WinBeginPaint(&myWindow);
WinAttr(&myWindow, A_REPLACE);
myWindow.Flags &= ~WF_DIRTY; /* I will repaint this window myself */
myWindow.TaskId = AP_NONE; /* no task owns this window */
paint();
/* Install event handler */
oldEventHandler = EV_captureEvents(myEventHandler);
}
static void myEventHandler(PEvent e)
{
if (e->command == CM_KEY_PRESS)
{
switch (e->info.keyInfo.keyCode)
{
case KB_ENTER:
case KB_ESC:
cancel(); /* cancel dialog */
break;
case KB_SWITCH:
case KB_VARLINK:
case KB_CHAR:
case KB_MATH:
case KB_MODE:
case KB_MENU:
case KB_MEM:
case KB_QUIT:
case KB_HOME:
case KB_YEQ:
case KB_RANGE:
case KB_GRAPH:
case KB_TBLSET:
case KB_TABLE:
case KB_OFF:
cancel(); /* cancel dialog */
EV_defaultHandler(e); /* allow default handling */
break;
(continued)