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Interlisp.maiko/src/mnwevent.c

557 lines
18 KiB
C

/* $Id: mnwevent.c,v 1.2 1999/01/03 02:07:25 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved
*/
/************************************************************************/
/* */
/* (C) Copyright 1989, 1990, 1990, 1991, 1992, 1993, 1994, 1995 Venue. */
/* All Rights Reserved. */
/* Manufactured in the United States of America. */
/* */
/************************************************************************/
#include "version.h"
#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "lispemul.h"
#include "lsptypes.h"
#include "MyWindow.h"
#include "dbprint.h"
#include "mnxdefs.h"
#include "keyboard.h"
#include "lspglob.h"
#include "adr68k.h"
#include "cell.h"
extern XEvent report;
extern DLword *CTopMNWEvent;
int MNWEventFlg = 0; /* Count of MNW events needing service */
DspInterfaceRec *FD_to_dspif[32]; /* Map from FD # to a display */
int MNWReadFds = 0;
DLword *CTopMNWEvent;
LispPTR DOMNWEVENT_index;
LispPTR *MNWEVENTQUEUE68k;
extern LispPTR *MakeAtom68k();
extern DLword *EmCursorX68K, *EmCursorY68K;
extern DLword *EmMouseX68K, *EmMouseY68K, *EmKbdAd068K, *EmRealUtilin68K;
extern LispPTR *CLastUserActionCell68k;
extern MISCSTATS *MiscStats;
extern int KBDEventFlg;
LispPTR *MNWBUFFERING68k = 0;
/************************************************************************/
/* Find_window */
/* Find the wif corresponding to the Xwindow. This function also places */
/* the found wif at the head of the chain. The rationale for this is */
/* that a window that has gotten signals is likely to be the target of */
/* the next signal also. The next time we look for this wif we'll find */
/* at the head of the chain. (This is bubblesort) */
/* */
/************************************************************************/
WindowInterface Find_window(DspInterface dspif, Window Xwindow)
{
WindowInterface curr, prev;
if (dspif->CreatedWifs == (WindowInterface)NULL) return (NIL);
if (dspif->CreatedWifs->blackframe == Xwindow) return (dspif->CreatedWifs);
/* Find the wif we are interested in. */
for (prev = dspif->CreatedWifs, curr = prev->next;
((curr != (WindowInterface)NULL) && (curr->blackframe != Xwindow));
curr = curr->next, prev = prev->next) {}
if (curr == (WindowInterface)NULL) return (NIL); /* wif not found */
/* Bubble curr to the head of the list */
prev->next = curr->next;
curr->next = dspif->CreatedWifs;
dspif->CreatedWifs = curr;
return (curr);
}
/************************************************************************/
/* Callback handling mechanism. */
/* These procedures handle the callbacks from widgets. */
/* */
/************************************************************************/
/************************************************************************/
/* NewEvent */
/* Get a pointer to the next event in line in the Lisp eventqueue. */
/* Return NULL if fail. This is the head of DoRing. */
/************************************************************************/
MNWEvent *NewEvent() {
if (!CTopMNWEvent) {
LispPTR index;
index = get_package_atom("\\MNWEVENTQUEUE", 14, "INTERLISP", 9, NIL);
if (index != 0xFFFFFFFF) {
MNWEVENTQUEUE68k = GetVALCELL68k(index);
DOMNWEVENT_index = get_package_atom("\\DOMNWEVENT", 11, "INTERLISP", 9, NIL);
CTopMNWEvent = (DLword *)Addr68k_from_LADDR(*MNWEVENTQUEUE68k);
}
}
if (CTopMNWEvent) {
DLword w, r;
r = RING_READ(CTopMNWEvent);
w = RING_WRITE(CTopMNWEvent);
if (r != w) return ((MNWEvent *)(CTopMNWEvent + w));
}
return (NULL);
}
/************************************************************************/
/* SignalMNWEvent */
/* Tell Lisp that an event happened. This is the tail part of DoRing */
/* */
/************************************************************************/
SignalMNWEvent() {
DLword w, r;
if (CTopMNWEvent) {
r = RING_READ(CTopMNWEvent);
w = RING_WRITE(CTopMNWEvent);
if (r == 0) /* Queue was empty */
((RING *)CTopMNWEvent)->read = w;
if (w >= MAXMNWEVENT)
((RING *)CTopMNWEvent)->write = MINMNWEVENT;
else
((RING *)CTopMNWEvent)->write = w + MNWEVENTSIZE;
if (*MNWBUFFERING68k == NIL) *MNWBUFFERING68k = ATOM_T;
if (MNWEventFlg++ > 0) Irq_Stk_End = Irq_Stk_Check = 0; /* Ask for interrupt */
}
}
void HandleMotion(Widget widget, WindowInterface wif, XMotionEvent *xevent, Boolean *continue_to_dispatch)
{
MNWPointerMotionEvent *mevent;
{
*CLastUserActionCell68k = MiscStats->secondstmp;
(*((DLword *)EmMouseX68K)) = *EmCursorX68K = xevent->x_root;
(*((DLword *)EmMouseY68K)) = *EmCursorY68K = xevent->y_root;
/* printf("mouse x %d, y %d\n", xevent->x_root, xevent->y_root); */
DoRing();
if ((KBDEventFlg) > 0) {
/* immediately request for IRQ check */
Irq_Stk_End = Irq_Stk_Check = 0;
}
}
}
void HandleButton(Widget widget, WindowInterface wif, XButtonEvent *xevent, Boolean *continue_to_dispatch)
{
MNWButtonEvent *mevent;
lisp_Xbutton(xevent, 0);
}
void HandleKey(Widget widget, WindowInterface wif, XKeyEvent *xevent, Boolean *continue_to_dispatch)
{
lisp_Xkeyboard(xevent, 0);
#ifdef NEVER
if ((mevent = NewEvent()) != NULL) {
mevent->screen = wif->MedleyScreen;
mevent->window = wif->MedleyWindow;
mevent->event = MNWButton;
mevent->pos.x = xevent->x_root;
mevent->pos.y = xevent->y_root;
mevent->button.left = xevent->state | Button1Mask;
mevent->button.middle = xevent->state | Button2Mask;
mevent->button.right = xevent->state | Button3Mask;
SignalMNWEvent();
}
#endif /* NEVER */
}
void HandleCrossing(Widget widget, WindowInterface wif, XCrossingEvent *xevent, Boolean *continue_to_dispatch)
{
switch (xevent->type) {
case EnterNotify:
DoMNWRing(MNWMouseIn, wif->MedleyScreen, wif->MedleyWindow, 0, 0, 0, 0);
break;
case LeaveNotify:
if (NotifyInferior != xevent->detail)
DoMNWRing(MNWMouseOut, wif->MedleyScreen, wif->MedleyWindow, 0, 0, 0, 0);
break;
}
}
void HandleBackgroundCrossing(Widget widget, DspInterface dspif, XCrossingEvent *xevent, Boolean *continue_to_dispatch)
{
switch (xevent->type) {
case EnterNotify: DoMNWRing(MNWMouseIn, dspif->screen, 0, 0, 0, 0, 0); break;
case LeaveNotify:
if (NotifyInferior != xevent->detail) DoMNWRing(MNWMouseOut, dspif->screen, 0, 0, 0, 0, 0);
break;
}
}
void HandleFocus(Widget widget, WindowInterface wif, XFocusChangeEvent *xevent, Boolean *continue_to_dispatch)
{
MNWFocusEvent *mevent;
/*
if((mevent = (MNWFocusEvent *)NewEvent()) != NULL){
mevent->screen = wif->MedleyScreen;
mevent->window = wif->MedleyWindow;
if(xevent->type == FocusIn) mevent->event = MNWFocusIn;
else mevent->event = MNWFocusOut;
SignalMNWEvent();
}
*/
}
void HandleStructure(Widget widget, WindowInterface wif, XAnyEvent *xevent, Boolean *continue_to_dispatch)
{
LispPTR screen, MWindow;
Window window;
Display *display;
DspInterfaceRec *dspif;
screen = wif->MedleyScreen;
MWindow = wif->MedleyWindow;
window = xevent->window;
dspif = wif->dspif;
display = dspif->handle;
switch (xevent->type) {
case UnmapNotify: DoMNWRing(MNWClose, screen, MWindow, 0, 0, 0, 0); break;
case MapNotify: break;
case ConfigureNotify:
if (!wif) break; /* don't change inner windows */
/* if (wif->moving || wif->reshaping)
{
wif->moving = wif->reshaping = 0;
break;
}
else */
{
int l, b, b2, w, h;
XConfigureEvent *ev = (XConfigureEvent *)xevent;
/* printf("M/S event send %d, x %d, y %d, w %d, h %d\n",
xevent->send_event, ev->x, ev->y,
ev->width, ev->height); */
l = ev->x;
b = ev->y;
if ((!xevent->send_event))
{
Window parent, root, *children;
int nch;
XQueryTree(display, window, &root, &parent, &children, &nch);
XFree(children);
if (parent != root)
XTranslateCoordinates(display, parent, dspif->root, ev->x, ev->y, &l, &b, &window);
/* printf("[translated x %d, y %d]\n", l, b); */
}
b2 = HeightOfScreen(wif->screen) - b - ev->height;
if ((wif->topregion.width == ev->width) && (wif->topregion.height == ev->height)) {
if ((wif->topregion.x != l) || (wif->topregion.y != b)) {
/* printf("movew to %d, %d.\n", l+wif->outerregion.x, b2+wif->outerregion.y); */
DoMNWRing(MNWMove, screen, MWindow, l + wif->outerregion.x, b2 + wif->outerregion.y,
ev->width - (wif->topregion.width - wif->outerregion.width),
ev->height - (wif->topregion.height - wif->outerregion.height));
}
} else /* if ((ev->x != wif->outerregion.x) || (ev->y != wif->outerregion.y)) */
{
/* printf("shapew to %d, %d, %d, %d.\n", l+wif->outerregion.x, b2+wif->outerregion.y,
ev->width-(wif->topregion.width - wif->outerregion.width),
ev->height-(wif->topregion.height - wif->outerregion.height)); */
DoMNWRing(MNWShapeReq, screen, MWindow, l + wif->outerregion.x, b2 + wif->outerregion.y,
ev->width - (wif->topregion.width - wif->outerregion.width),
ev->height - (wif->topregion.height - wif->outerregion.height));
}
}
break;
case ReparentNotify:
if (wif) wif->parent = ((XReparentEvent *)xevent)->parent;
break;
}
}
void HandleBackgroundButton(Widget widget, LispPTR wif, XButtonEvent *xevent, Boolean *continue_to_dispatch)
{
MNWButtonEvent *mevent;
{ /* Copied from HandleMotion -- tell Lisp of mouse move */
*CLastUserActionCell68k = MiscStats->secondstmp;
(*((DLword *)EmMouseX68K)) = *EmCursorX68K = xevent->x_root;
(*((DLword *)EmMouseY68K)) = *EmCursorY68K = xevent->y_root;
DoRing();
if ((KBDEventFlg) > 0) {
/* immediately request for IRQ check */
Irq_Stk_End = Irq_Stk_Check = 0;
}
}
lisp_Xbutton(xevent, 0);
#ifdef NEVER
if ((xevent->type == ButtonPress) && ((mevent = (MNWButtonEvent *)NewEvent()) != NULL)) {
mevent->screen = wif /*->MedleyScreen*/;
mevent->window = 0;
mevent->event = MNWButton;
mevent->pos.x = xevent->x_root;
mevent->pos.y = xevent->y_root;
mevent->button.left = xevent->state | Button1Mask;
mevent->button.middle = xevent->state | Button2Mask;
mevent->button.right = xevent->state | Button3Mask;
SignalMNWEvent();
}
#endif
}
/* Handle expose events on the frame widget -- print the title */
void HandleTitle(Widget widget, WindowInterface wif, XExposeEvent *xevent, Boolean *continue_to_dispatch)
{
if (xevent->y <= 12)
showtitle(wif->MedleyWindow, ((MedleyWindow)Cptr(wif->MedleyWindow))->WTITLE);
}
/* Handle expose events on the frame widget -- print the title */
void HandleExpose(Widget widget, WindowInterface wif, XExposeEvent *xevent, Boolean *continue_to_dispatch)
{
XCopyPlane(wif->dspif->handle, wif->backing, XtWindow(wif->windowwidget), wif->ReplaceGC,
xevent->x, xevent->y, xevent->width, xevent->height, xevent->x, xevent->y, 1);
}
void SignalVJmpScroll(Widget widget, WindowInterface wif, XtPointer percent_ptr /* This is a *float */)
{
MNWJumpScrollReqEvent *event;
if ((event = (MNWJumpScrollReqEvent *)NewEvent()) != NULL) {
event->screen = wif->MedleyScreen;
event->window = wif->MedleyWindow;
event->event = MNWScrollJmpReq;
event->xpercent = 0.0;
event->ypercent = *(float *)percent_ptr;
SignalMNWEvent();
}
}
void SignalHJmpScroll(Widget widget, WindowInterface wif, XtPointer percent_ptr)
{
MNWJumpScrollReqEvent *event;
if ((event = (MNWJumpScrollReqEvent *)NewEvent()) != NULL) {
event->screen = wif->MedleyScreen;
event->window = wif->MedleyWindow;
event->event = MNWScrollJmpReq;
event->ypercent = 0.0;
event->xpercent = *(float *)percent_ptr;
SignalMNWEvent();
}
}
void SignalVScroll(Widget widget, WindowInterface wif, int position)
{
MNWScrollReqEvent *event;
if ((event = (MNWScrollReqEvent *)NewEvent()) != NULL) {
event->screen = wif->MedleyScreen;
event->window = wif->MedleyWindow;
event->event = MNWScrollReq;
event->dx = 0;
event->dy = position;
SignalMNWEvent();
}
}
void SignalHScroll(Widget widget, WindowInterface wif, int position)
{
MNWScrollReqEvent *event;
if ((event = (MNWScrollReqEvent *)NewEvent()) != NULL) {
event->screen = wif->MedleyScreen;
event->window = wif->MedleyWindow;
event->event = MNWScrollReq;
event->dy = 0;
event->dx = -position;
SignalMNWEvent();
}
}
/************************************************************************/
/* */
/* */
/* */
/* */
/* */
/************************************************************************/
void getMNWsignaldata(int fd)
{
Display *display;
DspInterfaceRec *dspif;
XEvent report;
Window window;
WindowInterfaceRec *wif;
LispPTR MWindow;
LispPTR screen;
display = (dspif = FD_to_dspif[fd])->handle;
screen = dspif->screen;
TPRINT(("TRACE: getMNWsignaldata()\n"));
while (XtAppPending(dspif->xtcontext)) {
XtAppNextEvent(dspif->xtcontext, &report);
XtDispatchEvent(&report);
}
#ifdef NEVER
while (XPending(display)) {
/* XtAppNextEvent(dspif->xtcontext, &report); */
XNextEvent(display, &report);
window = report.xany.window;
wif = Find_window(dspif, window);
if (wif) {
switch (report.type) {
case KeyPress:
case KeyRelease: lisp_Xkeyboard(&report, 0); break;
case ButtonPress:
case ButtonRelease: lisp_Xbutton(&report, 0); break;
case MotionNotify: {
*CLastUserActionCell68k = MiscStats->secondstmp;
(*((DLword *)EmMouseX68K)) = *EmCursorX68K = report.xmotion.x_root;
(*((DLword *)EmMouseY68K)) = *EmCursorY68K = report.xmotion.y_root;
DoRing();
if ((KBDEventFlg) > 0) {
/* immediately request for IRQ check */
Irq_Stk_End = Irq_Stk_Check = 0;
}
} break;
case EnterNotify:
if (MWindow) DoMNWRing(MNWMouseIn, screen, MWindow, 0, 0, 0, 0);
break;
case LeaveNotify:
if (NotifyInferior != report.xcrossing.detail)
DoMNWRing(MNWMouseOut, screen, MWindow, 0, 0, 0, 0);
break;
case FocusIn: DoMNWRing(MNWFocusIn, screen, MWindow, 0, 0, 0, 0); break;
case FocusOut: DoMNWRing(MNWFocusOut, screen, MWindow, 0, 0, 0, 0); break;
case Expose:
if (wif->not_exposed) {
char *tmpstring;
BITMAP *bitmap;
showtitle(MWindow, ((MedleyWindow)Cptr(MWindow))->WTITLE);
bitmap = (BITMAP *)Cptr(((MedleyWindow)Cptr(MWindow))->SAVE);
MBMToDrawable(bitmap, dspif, wif, 0, 0, wif->innerregion.x, wif->innerregion.y,
wif->innerregion.width, wif->innerregion.height);
XFlush(display);
wif->not_exposed = 0; /* don't expose it again */
}
break;
case NoExpose:
case CreateNotify: break;
case DestroyNotify:
case CirculateNotify:
if (PlaceOnBottom == report.xcirculate.place) {
DspInterface dspif;
BITMAP *bitmap;
dspif = DspIfFromMscr(screen);
bitmap = (BITMAP *)Cptr(((MedleyWindow)Cptr(MWindow))->SAVE);
/* Copy the whole black frame to the bitmap. */
DrawableToMBM(bitmap, dspif, wif->blackframe, wif->screen, 0, 0, 0, 0,
wif->outerregion.width, wif->outerregion.height);
DrawableToMBM(bitmap, dspif, wif->handle, wif->screen, 0, 0, wif->innerregion.x,
wif->innerregion.y, wif->innerregion.width, wif->innerregion.height);
}
break;
default: break;
}
}
/* else {*/ /* No wif found. Assume it is a widget window. */
/* XtDispatchEvent(&report); */
/* } */
}
#endif /* NEVER */
} /* end getMNWsignaldata() */
/************************************************************************/
/* */
/* D o R i n g */
/* */
/* Take keyboard events and turn them into Lisp event info */
/* (when running under X) */
/* */
/************************************************************************/
void DoMNWRing(int type, LispPTR screen, LispPTR window, int l, int b, int wid, int h)
{
DLword w, r;
MNWEvent *event;
int foo = MNWEVENTSIZE; /* so we can examine the value */
if (!CTopMNWEvent) {
LispPTR index;
index = get_package_atom("\\MNWEVENTQUEUE", 14, "INTERLISP", 9, NIL);
if (index != 0xFFFFFFFF) {
MNWEVENTQUEUE68k = GetVALCELL68k(index);
DOMNWEVENT_index = get_package_atom("\\DOMNWEVENT", 11, "INTERLISP", 9, NIL);
CTopMNWEvent = (DLword *)Addr68k_from_LADDR(*MNWEVENTQUEUE68k);
}
}
do_ring:
if (CTopMNWEvent) {
r = RING_READ(CTopMNWEvent);
w = RING_WRITE(CTopMNWEvent);
if (r == w) return;
event = (MNWEvent *)(CTopMNWEvent + w);
event->Any.event = type;
event->Any.screen = screen;
event->Any.window = window;
event->Any.pad[0] = l;
event->Any.pad[1] = b;
event->Any.pad[2] = wid;
event->Any.pad[3] = h;
if (r == 0) /* Queue was empty */
((RING *)CTopMNWEvent)->read = w;
if (w >= MAXMNWEVENT)
((RING *)CTopMNWEvent)->write = MINMNWEVENT;
else
((RING *)CTopMNWEvent)->write = w + MNWEVENTSIZE;
if (*MNWBUFFERING68k == NIL) *MNWBUFFERING68k = ATOM_T;
if (MNWEventFlg++ > 0) Irq_Stk_End = Irq_Stk_Check = 0; /* Ask for interrupt */
}
}