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authorrjohnson <rjohnson>1998-03-26 14:45:59 (GMT)
committerrjohnson <rjohnson>1998-03-26 14:45:59 (GMT)
commit2b5738da524e944cda39e24c0a87b745a43bd8c3 (patch)
tree6e8c9473978f6dab66c601e911721a7bd9d70b1b /mac/tclMacPanic.c
parentc6a259aeeca4814a97cf6694814c63e74e4e18fa (diff)
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+/*
+ * tclMacPanic.c --
+ *
+ * Source code for the "panic" library procedure used in "Simple Shell";
+ * other Mac applications will probably override this with a more robust
+ * application-specific panic procedure.
+ *
+ * Copyright (c) 1993-1994 Lockheed Missle & Space Company, AI Center
+ * Copyright (c) 1995-1996 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * SCCS: @(#) tclMacPanic.c 1.14 97/11/20 18:41:06
+ */
+
+
+#include <Events.h>
+#include <Controls.h>
+#include <Windows.h>
+#include <TextEdit.h>
+#include <Fonts.h>
+#include <Dialogs.h>
+#include <Icons.h>
+#include <Sound.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "tclInt.h"
+
+/*
+ * constants for panic dialog
+ */
+#define PANICHEIGHT 150 /* Height of dialog */
+#define PANICWIDTH 350 /* Width of dialog */
+#define PANIC_BUTTON_RECT {125, 260, 145, 335} /* Rect for button. */
+#define PANIC_ICON_RECT {10, 20, 42, 52} /* Rect for icon. */
+#define PANIC_TEXT_RECT {10, 65, 140, 330} /* Rect for text. */
+#define ENTERCODE (0x03)
+#define RETURNCODE (0x0D)
+
+/*
+ * The panicProc variable contains a pointer to an application
+ * specific panic procedure.
+ */
+
+void (*panicProc) _ANSI_ARGS_(TCL_VARARGS(char *,format)) = NULL;
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tcl_SetPanicProc --
+ *
+ * Replace the default panic behavior with the specified functiion.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Sets the panicProc variable.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+Tcl_SetPanicProc(proc)
+ void (*proc) _ANSI_ARGS_(TCL_VARARGS(char *,format));
+{
+ panicProc = proc;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * MacPanic --
+ *
+ * Displays panic info..
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Sets the panicProc variable.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+MacPanic(
+ char *msg) /* Text to show in panic dialog. */
+{
+ WindowRef macWinPtr, foundWinPtr;
+ Rect macRect;
+ Rect buttonRect = PANIC_BUTTON_RECT;
+ Rect iconRect = PANIC_ICON_RECT;
+ Rect textRect = PANIC_TEXT_RECT;
+ ControlHandle okButtonHandle;
+ EventRecord event;
+ Handle stopIconHandle;
+ int part;
+ Boolean done = false;
+
+
+ /*
+ * Put up an alert without using the Resource Manager (there may
+ * be no resources to load). Use the Window and Control Managers instead.
+ * We want the window centered on the main monitor. The following
+ * should be tested with multiple monitors. Look and see if there is a way
+ * not using qd.screenBits.
+ */
+
+ macRect.top = (qd.screenBits.bounds.top + qd.screenBits.bounds.bottom)
+ / 2 - (PANICHEIGHT / 2);
+ macRect.bottom = (qd.screenBits.bounds.top + qd.screenBits.bounds.bottom)
+ / 2 + (PANICHEIGHT / 2);
+ macRect.left = (qd.screenBits.bounds.left + qd.screenBits.bounds.right)
+ / 2 - (PANICWIDTH / 2);
+ macRect.right = (qd.screenBits.bounds.left + qd.screenBits.bounds.right)
+ / 2 + (PANICWIDTH / 2);
+
+ macWinPtr = NewWindow(NULL, &macRect, "\p", true, dBoxProc, (WindowRef) -1,
+ false, 0);
+ if (macWinPtr == NULL) {
+ goto exitNow;
+ }
+
+ okButtonHandle = NewControl(macWinPtr, &buttonRect, "\pOK", true,
+ 0, 0, 1, pushButProc, 0);
+ if (okButtonHandle == NULL) {
+ CloseWindow(macWinPtr);
+ goto exitNow;
+ }
+
+ SelectWindow(macWinPtr);
+ SetCursor(&qd.arrow);
+ stopIconHandle = GetIcon(kStopIcon);
+
+ while (!done) {
+ if (WaitNextEvent(mDownMask | keyDownMask | updateMask,
+ &event, 0, NULL)) {
+ switch(event.what) {
+ case mouseDown:
+ part = FindWindow(event.where, &foundWinPtr);
+
+ if ((foundWinPtr != macWinPtr) || (part != inContent)) {
+ SysBeep(1);
+ } else {
+ SetPortWindowPort(macWinPtr);
+ GlobalToLocal(&event.where);
+ part = FindControl(event.where, macWinPtr,
+ &okButtonHandle);
+
+ if ((inButton == part) &&
+ (TrackControl(okButtonHandle,
+ event.where, NULL))) {
+ done = true;
+ }
+ }
+ break;
+ case keyDown:
+ switch (event.message & charCodeMask) {
+ case ENTERCODE:
+ case RETURNCODE:
+ HiliteControl(okButtonHandle, 1);
+ HiliteControl(okButtonHandle, 0);
+ done = true;
+ }
+ break;
+ case updateEvt:
+ SetPortWindowPort(macWinPtr);
+ TextFont(systemFont);
+
+ BeginUpdate(macWinPtr);
+ if (stopIconHandle != NULL) {
+ PlotIcon(&iconRect, stopIconHandle);
+ }
+ TextBox(msg, strlen(msg), &textRect, teFlushDefault);
+ DrawControls(macWinPtr);
+ EndUpdate(macWinPtr);
+ }
+ }
+ }
+
+ CloseWindow(macWinPtr);
+
+ exitNow:
+#ifdef TCL_DEBUG
+ Debugger();
+#else
+ abort();
+#endif
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * panic --
+ *
+ * Print an error message and kill the process.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The process dies, entering the debugger if possible.
+ *
+ *----------------------------------------------------------------------
+ */
+
+#pragma ignore_oldstyle on
+void
+panic(char * format, ...)
+{
+ va_list varg;
+ char errorText[256];
+
+ if (panicProc != NULL) {
+ va_start(varg, format);
+
+ (void) (*panicProc)(format, varg);
+
+ va_end(varg);
+ } else {
+ va_start(varg, format);
+
+ vsprintf(errorText, format, varg);
+
+ va_end(varg);
+
+ MacPanic(errorText);
+ }
+
+}
+#pragma ignore_oldstyle reset