private func DoDirControl(int iDir)
{
// Abbruch, wenn das Zielobjekt weg ist
if (!pTargetObject) return(Abort());
// Richtungsänderung?
if (iDir != GetDir(pTargetObject))
{
iAngle=-iAngle;
pTargetObject->SetDir(iDir);
pArrow->UpdateAngle(iAngle);
pTargetObject->~AimingAngle(iAngle);
}
else
// Tastendruck in Zielrichtung: Zaubern! - nicht bei tumble!
if(!(GetAction(pTargetObject) S= "Tumble"))
DoEnter();
return(1);
}
// process the key
void ProcessKey(EditView *ev, int key)
{
uint flags = GetKeyAttr(key);
char MergeToPrior;
// free xseek mode
if (ev->cursor.xseekmode != CM_FREE)
{
switch(key)
{
// these need to maintain the state of the CM_WANT_SCREEN_COORD coordinate
case B_UP_ARROW:
case B_DOWN_ARROW:
case B_PAGE_UP:
case B_PAGE_DOWN: break;
default: ev->cursor.set_mode(CM_FREE);
}
}
// commands which delete selection & contents if a selection is present
if (flags & KF_SELDEL)
{
if (ev->selection.present)
{
ev->SelDel();
if (flags & KF_SELDEL_ONLY)
return;
}
}
// create new undo group before executing keys which modify the document
if (flags & KF_UNDOABLE)
{
if (flags & KF_UNDO_MERGEABLE)
{
MergeToPrior = undo_can_merge(ev, ev->cursor.x, ev->cursor.y, key);
if (!MergeToPrior)
BeginUndoGroup(ev);
}
else
{
MergeToPrior = 0;
BeginUndoGroup(ev);
}
}
if (flags & KF_AFFECTS_SELECTION) // key can create/remove selection
{
if (IsShiftDown() && !ev->selection.present)
selection_create(ev);
}
switch(key)
{
case B_ESCAPE:
if (editor.settings.esc_quits_immediately) // a testmode
{
MainWindow->fDoingInstantQuit = true;
be_app->PostMessage(B_QUIT_REQUESTED);
}
break;
case B_LEFT_ARROW: ev->cursor.left(); break;
case B_RIGHT_ARROW: ev->cursor.right(); break;
case B_UP_ARROW: ev->cursor.up(); break;
case B_DOWN_ARROW: ev->cursor.down(); break;
case B_PAGE_DOWN: ev->cursor.pgdn(); break;
case B_PAGE_UP: ev->cursor.pgup(); break;
case B_HOME: DoHome(ev); break;
case B_END: DoEnd(ev); break;
case KEY_MOUSEWHEEL_DOWN: ev->scroll_down(3); break;
case KEY_MOUSEWHEEL_UP: ev->scroll_up(3); break;
case B_ENTER:
DoEnter(ev);
editor.stats.CRs_typed++;
editor.stats.keystrokes_typed++;
break;
case B_TAB:
{
if (IsShiftDown())
{
DoShiftTab(ev);
break;
}
if (DoTabIndent(ev)) break;
ev->SelDel();
ev->action_insert_char(ev->cursor.x, ev->cursor.y, TAB);
ev->cursor.x++;
editor.stats.keystrokes_typed++;
}
break;
// BKSP is equivalent to left followed by del
case B_BACKSPACE:
if (!ev->cursor.y && !ev->cursor.x) break;
ev->cursor.left();
undo_SetMergeMode(ev, MERGE_BKSP, MergeToPrior);
ev->action_delete_right(ev->cursor.x, ev->cursor.y, 1);
editor.stats.keystrokes_typed++;
break;
case B_DELETE:
undo_SetMergeMode(ev, MERGE_DEL, MergeToPrior);
ev->action_delete_right(ev->cursor.x, ev->cursor.y, 1);
editor.stats.keystrokes_typed++;
break;
// typing
default:
{
// ignore non-printable keystrokes
if (key > 127 || key < 9)
break;
if (editor.InOverwriteMode && \
ev->cursor.x < ev->curline->GetLength())
{
// less than ideal: i wasn't planning on Overwrite Mode when writing
// the undo feature, so it can't merge undo records that contain both a
// delete and a insertion. OVR mode isn't used much and undo still works,
// just one char at a time, so I think it's ok for now but eventually should
// be looked at.
if (MergeToPrior)
{
MergeToPrior = false;
BeginUndoGroup(ev);
}
ev->action_delete_right(ev->cursor.x, ev->cursor.y, 1);
}
else
{
undo_SetMergeMode(ev, MERGE_TYPING, MergeToPrior);
}
ev->action_insert_char(ev->cursor.x, ev->cursor.y, key);
ev->cursor.x++;
editor.stats.keystrokes_typed++;
}
break;
}
// smart indent (for close quotes)
if (key == '}' && editor.settings.smart_indent_on_close)
CloseSmartIndent(ev);
if (flags & KF_AFFECTS_SELECTION)
ev->ExtendOrDropSel(key);
if (flags & KF_UNDOABLE)
{
if (MergeToPrior)
UpdateMergedUndoGroup(ev);
else
EndUndoGroup(ev);
}
if (!(flags & KF_NO_VIEW_TO_CURSOR))
{
ev->MakeCursorVisible();
}
}
