diff options
Diffstat (limited to 'ReqMach.c')
| -rw-r--r-- | ReqMach.c | 68 |
1 files changed, 34 insertions, 34 deletions
@@ -35,13 +35,13 @@ from The Open Group. #include <X11/Xfuncs.h> #include <X11/Xos.h> #include "BitmapP.h" - + #include <stdio.h> #include <math.h> /*****************************************************************************\ - * Request Machine: stacks up and handles requests from application calls. * + * Request Machine: stacks up and handles requests from application calls. * \*****************************************************************************/ /* @@ -56,7 +56,7 @@ FindRequest(BWRequest name) for (i = 0; i < bitmapClassRec.bitmap_class.num_requests; i++) if (!strcmp(name, bitmapClassRec.bitmap_class.requests[i].name)) return &bitmapClassRec.bitmap_class.requests[i]; - + return NULL; } @@ -64,13 +64,13 @@ FindRequest(BWRequest name) * Adds a request to the request stack and does proper initializations. * Returns TRUE if the request was found and FALSE otherwise. */ -Boolean -BWAddRequest(Widget w, BWRequest name, Boolean trap, +Boolean +BWAddRequest(Widget w, BWRequest name, Boolean trap, XtPointer call_data, Cardinal call_data_size) { BitmapWidget BW = (BitmapWidget) w; BWRequestRec *request; - + request = FindRequest(name); if(request) { if (DEBUG) @@ -79,15 +79,15 @@ BWAddRequest(Widget w, BWRequest name, Boolean trap, BW->bitmap.request_stack = (BWRequestStack *) XtRealloc((char *)BW->bitmap.request_stack, (++BW->bitmap.cardinal + 1) * sizeof(BWRequestStack)); - + BW->bitmap.request_stack[BW->bitmap.cardinal].request = request; - BW->bitmap.request_stack[BW->bitmap.cardinal].status = + BW->bitmap.request_stack[BW->bitmap.cardinal].status = XtMalloc(request->status_size); BW->bitmap.request_stack[BW->bitmap.cardinal].trap = trap; - BW->bitmap.request_stack[BW->bitmap.cardinal].call_data = + BW->bitmap.request_stack[BW->bitmap.cardinal].call_data = XtMalloc(call_data_size); memmove( BW->bitmap.request_stack[BW->bitmap.cardinal].call_data, - call_data, + call_data, call_data_size); return True; @@ -102,15 +102,15 @@ BWAddRequest(Widget w, BWRequest name, Boolean trap, * Engages the request designated by the current parameter. * Returnes TRUE if the request has an engage function and FALSE otherwise. */ -static Boolean +static Boolean Engage(BitmapWidget BW, Cardinal current) { BW->bitmap.current = current; - + if (DEBUG) - fprintf(stderr, "Request: %s\n", + fprintf(stderr, "Request: %s\n", BW->bitmap.request_stack[current].request->name); - + if (BW->bitmap.request_stack[current].request->engage) { (*BW->bitmap.request_stack[current].request->engage) ((Widget) BW, @@ -127,17 +127,17 @@ Engage(BitmapWidget BW, Cardinal current) Boolean BWRemoveRequest(); */ /* - * Scans down the request stack removing all requests untill it finds + * Scans down the request stack removing all requests untill it finds * one to be trapped. */ -static void +static void TrappingLoop(BitmapWidget BW) { if (DEBUG) fprintf(stderr, "Scanning... Current: %d\n", BW->bitmap.current); - if ((BW->bitmap.current > 0) - && + if ((BW->bitmap.current > 0) + && (!BW->bitmap.request_stack[BW->bitmap.current--].trap)) { BWRemoveRequest((Widget) BW); TrappingLoop(BW); @@ -154,11 +154,11 @@ TrappingLoop(BitmapWidget BW) * Terimantes the current request and continues with next request if con = TRUE * Returnes TRUE if there is any number of requests left on the stack. */ -Boolean +Boolean BWTerminateRequest(Widget w, Boolean cont) { BitmapWidget BW = (BitmapWidget) w; - + if (BW->bitmap.current > 0) { if (DEBUG) fprintf(stderr, "Terminating... Current: %d\n", BW->bitmap.current); @@ -167,7 +167,7 @@ BWTerminateRequest(Widget w, Boolean cont) (w, BW->bitmap.request_stack[BW->bitmap.current].status, BW->bitmap.request_stack[BW->bitmap.current].request->terminate_client_data); - + if (cont) { if (BW->bitmap.current == BW->bitmap.cardinal) TrappingLoop(BW); @@ -181,14 +181,14 @@ BWTerminateRequest(Widget w, Boolean cont) else BW->bitmap.current = 0; } - + return BW->bitmap.current; } /* * Simple interface to BWTerminateRequest that takes only a widget. */ -void +void BWAbort(Widget w) { BWTerminateRequest(w, True); @@ -199,36 +199,36 @@ BWAbort(Widget w) * it will terminate it. * Returns TRUE if the number of requests left on the stack != 0. */ -Boolean +Boolean BWRemoveRequest(Widget w) { BitmapWidget BW = (BitmapWidget) w; - + if (BW->bitmap.cardinal > 0) { if (DEBUG) fprintf(stderr, "Removing... Cardinal: %d\n", BW->bitmap.cardinal); if (BW->bitmap.current == BW->bitmap.cardinal) BWTerminateRequest(w, False); - + if (BW->bitmap.request_stack[BW->bitmap.cardinal].request->remove) (*BW->bitmap.request_stack[BW->bitmap.cardinal].request->remove) (w, BW->bitmap.request_stack[BW->bitmap.cardinal].status, BW->bitmap.request_stack[BW->bitmap.cardinal].request->remove_client_data); - + XtFree(BW->bitmap.request_stack[BW->bitmap.cardinal].status); XtFree(BW->bitmap.request_stack[BW->bitmap.cardinal].call_data); BW->bitmap.request_stack = (BWRequestStack *) XtRealloc((char *)BW->bitmap.request_stack, (--BW->bitmap.cardinal + 1) * sizeof(BWRequestStack)); - + return True; } - else + else return False; } -void +void BWRemoveAllRequests(Widget w) { while (BWRemoveRequest(w)) {/* removes all requests from the stack */} @@ -238,19 +238,19 @@ BWRemoveAllRequests(Widget w) * Adds the request to the stack and performs engaging ritual. * Returns TRUE if the request was found, FALSE otherwise. */ -Boolean -BWEngageRequest(Widget w, BWRequest name, Boolean trap, +Boolean +BWEngageRequest(Widget w, BWRequest name, Boolean trap, XtPointer call_data, Cardinal call_data_size) { BitmapWidget BW = (BitmapWidget) w; - + if (BWAddRequest(w, name, trap, call_data, call_data_size)) { BWTerminateRequest(w, False); if (DEBUG) fprintf(stderr, "Engaging... Cardinal: %d\n", BW->bitmap.cardinal); if (!Engage(BW, BW->bitmap.cardinal)) BWTerminateRequest(w, True); - + return True; } else |