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Diffstat (limited to 'mac/tclMacPanic.c')
| -rw-r--r-- | mac/tclMacPanic.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/mac/tclMacPanic.c b/mac/tclMacPanic.c new file mode 100644 index 0000000..13219d8 --- /dev/null +++ b/mac/tclMacPanic.c @@ -0,0 +1,235 @@ +/* + * 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 |