static void
handle_event(XEvent * event)
{
XWindowAttributes wa;
/* fprintf(stderr,"event:handle_event entered\n");*/
set_window(event->xany.window);
if (event->type == MotionNotify) {
/* fprintf(stderr,"event:handle_event type=MotionNotify\n");*/
handle_motion_event((XMotionEvent *)event);
motion = 1;
return;
}
make_busy_cursors();
switch (event->type) {
case DestroyNotify:
/* fprintf(stderr,"event:handle_event type=DestroyNotify\n");*/
break;
case Expose:
/* fprintf(stderr,"event:handle_event type=Expose\n");*/
XGetWindowAttributes(gXDisplay, gWindow->fMainWindow, &wa);
if ((gWindow->width == 0 && gWindow->height == 0) ||
(wa.width != gWindow->width || wa.height != gWindow->height)) {
gWindow->width = wa.width;
gWindow->height = wa.height;
display_page(gWindow->page);
gWindow->fWindowHashTable = gWindow->page->fLinkHashTable;
}
else /** just redraw the thing **/
expose_page(gWindow->page);
XFlush(gXDisplay);
clear_exposures(gWindow->fMainWindow);
clear_exposures(gWindow->fScrollWindow);
break;
case ButtonPress:
/* fprintf(stderr,"event:handle_event type=ButtonPress\n");*/
handle_button(event->xbutton.button, (XButtonEvent *)event);
XFlush(gXDisplay);
if (gWindow) {
while (XCheckTypedWindowEvent(gXDisplay, gWindow->fMainWindow,
Expose, event));
while (XCheckTypedWindowEvent(gXDisplay, gWindow->fScrollWindow,
Expose, event));
}
break;
case KeyPress:
/* fprintf(stderr,"event:handle_event type=KeyPress\n");*/
handle_key(event);
if (gWindow) {
while (XCheckTypedWindowEvent(gXDisplay, gWindow->fMainWindow,
Expose, event));
while (XCheckTypedWindowEvent(gXDisplay, gWindow->fScrollWindow,
Expose, event));
}
break;
case MapNotify:
/* fprintf(stderr,"event:handle_event type=MapNotify\n");*/
create_window();
break;
case SelectionNotify:
/* fprintf(stderr,"event:handle_event type=SelectionNotify\n");*/
/* this is in response to a previous request in an input area */
if ( gSavedInputAreaLink ) {
XSelectionEvent *pSelEvent;
Atom dataProperty;
pSelEvent = (XSelectionEvent *) event;
dataProperty = XInternAtom(gXDisplay, "PASTE_SELECTION", False);
/* change the input focus */
/* change_input_focus(gSavedInputAreaLink); */
/* try to get the selection as a window property */
if ( pSelEvent->requestor == gWindow->fMainWindow &&
pSelEvent->selection == XA_PRIMARY &&
/* pSelEvent->time == CurrentTime && */
pSelEvent->target == XA_STRING &&
pSelEvent->property == dataProperty )
{
Atom actual_type;
int actual_format;
unsigned long nitems, leftover;
char *pSelection = NULL;
if (Success == XGetWindowProperty(gXDisplay,
gWindow->fMainWindow,
pSelEvent->property, 0L, 100000000L, True,
AnyPropertyType, &actual_type, &actual_format,
&nitems, &leftover, (unsigned char **) &pSelection) )
{
char *pBuffer;
InputItem *item = gSavedInputAreaLink->reference.string;
for (pBuffer = pSelection; *pBuffer; ++pBuffer)
add_buffer_to_sym(pBuffer, item);
XFree(pSelection);
}
}
/* clear the link info */
gSavedInputAreaLink = NULL;
}
break;
default:
/* fprintf(stderr,"event:handle_event type=default\n");*/
break;
}
}
void
dialog(XEvent *event, KeySym keysym, char *buffer)
{
InputItem *item;
item = gWindow->page->current_item;
if (item == 0) {
if (!((keysym >= XK_Shift_L) && (keysym <= XK_Hyper_R)))
/** if something other than a modifier key was hit **/
BeepAtTheUser();
return;
}
/*
* First check if the user had hit an enter key
*/
if ((keysym == XK_Return) || (keysym == XK_KP_Enter))
enter_new_line(item);
/*
* Else did the user actual type a character I can understand
*/
else if (((keysym >= XK_KP_Space) && (keysym <= XK_KP_9))
|| ((keysym >= XK_space) && (keysym <= XK_asciitilde)))
{
/* only handle normal keys */
if (event->xkey.state & UnsupportedModMask)
BeepAtTheUser();
else
add_buffer_to_sym(buffer, item);
}
else if ((keysym >= XK_Shift_L) && (keysym <= XK_Hyper_R))
;
/*
* do nothing, a modifier was hit
*/
else if ((keysym >= XK_F2) && (keysym <= XK_F35)) {
/*
* A function key was hit
*/
if (strlen(buffer) == 0)
BeepAtTheUser();
else
/* If I got characters then add it to the buffer */
add_buffer_to_sym(buffer, item);
}
else
switch (keysym) {
case XK_Escape:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else {
move_cursor_home(item);
delete_rest_of_line(item);
}
break;
case XK_F1:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else {
gWindow->page->helppage = alloc_string(InputAreaHelpPage);
helpForHyperDoc();
}
break;
case XK_Up:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
move_cursor_up(item);
break;
case XK_Down:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
move_cursor_down(item);
break;
case XK_Delete:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
delete_char(item);
break;
case XK_BackSpace:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
back_over_char(item);
break;
case XK_Left:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
move_cursor_backward(item);
break;
case XK_Right:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
move_cursor_forward(item);
break;
case XK_Insert:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else {
gInInsertMode = ((gInInsertMode) ? (0) : (1));
item->curr_line->changed = 1;
update_inputsymbol(item);
}
break;
case XK_Home:
if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
move_cursor_home(item);
break;
case XK_End:
if (event->xkey.state & ControlMask)
/* delete from here to the end of the line */
delete_rest_of_line(item);
else if (event->xkey.state & ModifiersMask)
BeepAtTheUser();
else
move_cursor_end(item);
break;
default:
BeepAtTheUser();
break;
}
}
