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557 lines
16 KiB
557 lines
16 KiB
/***************************************************************************
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phrasetree.cpp - description
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-------------------
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begin : Don Okt 24 2002
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copyright : (C) 2002 by Gunnar Schmi Dt
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email : kmouth@schmi-dt.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <tdelocale.h>
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#include <tdeconfig.h>
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#include <tdeaction.h>
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#include <tdestdaccel.h>
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#include <tdeshortcutlist.h>
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#include <tdeactionshortcutlist.h>
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#include <kiconloader.h>
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#include <tdemessagebox.h>
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#include "phrasetree.h"
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#include "phrasebookdialog.h"
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#include "phrasebook.h"
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PhraseTreeItem::PhraseTreeItem (TQListView *parent, TQListViewItem *after, TQString phrase, TDEShortcut shortcut, TQPixmap icon)
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: TDEListViewItem (parent, after, phrase)
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{
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isPhraseValue = true;
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cutValue = shortcut;
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setText(1, cutValue.toString());
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setPixmap(0, icon);
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setExpandable (false);
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}
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PhraseTreeItem::PhraseTreeItem (TQListViewItem *parent, TQListViewItem *after, TQString phrase, TDEShortcut shortcut, TQPixmap icon)
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: TDEListViewItem (parent, after, phrase)
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{
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isPhraseValue = true;
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cutValue = shortcut;
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setText(1, cutValue.toString());
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setPixmap(0, icon);
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setExpandable (false);
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}
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PhraseTreeItem::PhraseTreeItem (TQListView *parent, TQListViewItem *after, TQString name, TQPixmap icon)
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: TDEListViewItem (parent, after, name)
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{
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isPhraseValue = false;
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setPixmap(0, icon);
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setExpandable (true);
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}
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PhraseTreeItem::PhraseTreeItem (TQListViewItem *parent, TQListViewItem *after, TQString name, TQPixmap icon)
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: TDEListViewItem (parent, after, name)
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{
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isPhraseValue = false;
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setPixmap(0, icon);
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setExpandable (true);
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}
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bool PhraseTreeItem::isPhrase () {
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return isPhraseValue;
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}
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TDEShortcut PhraseTreeItem::cut () {
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return cutValue;
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}
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void PhraseTreeItem::setCut (TDEShortcut cut) {
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cutValue = cut;
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setText(1, cut.toString());
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}
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// ***************************************************************************
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PhraseTree::PhraseTree (TQWidget *parent, const char *name)
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: TDEListView (parent, name)
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{
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phrasebook_open = TDEGlobal::iconLoader()->loadIcon("phrasebook", TDEIcon::Small);
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phrasebook_closed = TDEGlobal::iconLoader()->loadIcon("phrasebook_closed", TDEIcon::Small);
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phrase = TDEGlobal::iconLoader()->loadIcon("phrase", TDEIcon::Small);
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connect (this, TQ_SIGNAL(expanded (TQListViewItem *)), this, TQ_SLOT(itemExpanded (TQListViewItem *)));
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connect (this, TQ_SIGNAL(collapsed (TQListViewItem *)), this, TQ_SLOT(itemCollapsed (TQListViewItem *)));
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}
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PhraseTree::~PhraseTree (){
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}
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namespace PhraseTreePrivate {
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TQListViewItem *prevSibling (TQListViewItem *item) {
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TQListViewItem *parent = item->parent();
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TQListViewItem *above = item->itemAbove();
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if (above == parent)
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return 0;
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while (above->parent() != parent)
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above = above->parent();
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return above;
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}
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bool findAbovePosition (TQListViewItem *item,
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TQListViewItem **newParent,
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TQListViewItem **newAbove)
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{
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if (item == 0)
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return false;
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TQListViewItem *parent = item->parent();
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TQListViewItem *above = item->itemAbove();
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if (above == 0)
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return false;
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else if (above == parent) {
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*newParent = parent->parent();
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*newAbove = prevSibling (parent);
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return true;
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}
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else if (above->parent() == parent) {
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*newParent = parent;
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*newAbove = prevSibling (above);
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return true;
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}
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else {
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while (above->parent()->parent() != parent)
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above = above->parent();
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*newParent = above->parent();
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*newAbove = above;
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return true;
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}
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}
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bool findBelowPosition (TQListViewItem *item,
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TQListViewItem **newParent,
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TQListViewItem **newAbove)
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{
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if (item == 0)
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return false;
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TQListViewItem *parent = item->parent();
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TQListViewItem *below = item->nextSibling();
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if (parent == 0 && below == 0)
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return false;
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else if (parent != 0 && below == 0) {
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*newParent = parent->parent();
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*newAbove = parent;
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return true;
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}
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else if (below->isOpen()) {
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*newParent = below;
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*newAbove = 0;
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return true;
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}
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else {
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*newParent = parent;
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*newAbove = below;
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return true;
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}
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}
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bool findRightPosition (TQListViewItem *item,
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TQListViewItem **newParent,
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TQListViewItem **newAbove)
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{
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if (item == 0)
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return false;
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TQListViewItem *above = prevSibling (item);
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if (above == 0)
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return false;
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else if (((PhraseTreeItem *)above)->isPhrase())
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return false;
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else {
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above->setOpen(true);
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*newParent = above;
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*newAbove = 0;
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above = (*newParent)->firstChild();
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while (above != 0) {
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*newAbove = above;
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above = above->nextSibling();
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}
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return true;
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}
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}
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bool findLeftPosition (TQListViewItem *item,
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TQListViewItem **newParent,
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TQListViewItem **newAbove)
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{
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if (item == 0)
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return false;
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TQListViewItem *parent = item->parent();
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if (parent == 0)
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return false;
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else {
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*newParent = parent->parent();
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*newAbove = parent;
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return true;
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}
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}
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}
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void PhraseTree::moveItem (TQListViewItem *item,
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TQListViewItem *parent,
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TQListViewItem *above)
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{
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if (item != 0) {
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if (item->parent() == 0)
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takeItem (item);
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else
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item->parent()->takeItem (item);
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if (parent == 0)
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insertItem (item);
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else
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parent->insertItem (item);
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item->moveItem(above);
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}
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}
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bool PhraseTree::hasSelectedItems() {
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TQListViewItem *i = firstChild();
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if ( !i )
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return false;
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int level = 0;
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do {
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if (i->isSelected())
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return true;
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if (i->firstChild() != 0) {
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i = i->firstChild();
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level++;
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}
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else {
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while ((i != 0) && (i->nextSibling() == 0)) {
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i = i->parent();
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level--;
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}
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if (i != 0)
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i = i->nextSibling();
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}
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}
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while (i != 0);
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return false;
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}
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void PhraseTree::deleteSelectedItems() {
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TQListViewItem *i = firstChild();
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if ( !i )
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return;
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TQListViewItem *deleteItem = 0;
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do {
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if (i->isSelected())
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deleteItem = i;
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if ((i->firstChild() != 0) && (!i->isSelected())) {
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i = i->firstChild();
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}
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else {
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while ((i != 0) && (i->nextSibling() == 0)) {
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i = i->parent();
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}
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if (i != 0)
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i = i->nextSibling();
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}
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if (deleteItem != 0) {
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delete deleteItem;
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deleteItem = 0;
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}
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}
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while (i != 0);
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}
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void PhraseTree::keyPressEvent (TQKeyEvent *e) {
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if ((e->state() & TQt::KeyButtonMask) == TQt::AltButton) {
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if (e->key() == TQt::Key_Up) {
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TQListViewItem *item = currentItem();
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if ((item != 0) && (item->isSelected())) {
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TQListViewItem *parent;
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TQListViewItem *above;
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if (PhraseTreePrivate::findAbovePosition (item, &parent, &above)) {
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moveItem(item, parent, above);
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setCurrentItem (item);
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item->setSelected(true);
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}
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}
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e->accept();
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return;
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}
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else if (e->key() == TQt::Key_Down) {
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TQListViewItem *item = currentItem();
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if ((item != 0) && (item->isSelected())) {
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TQListViewItem *parent;
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TQListViewItem *above;
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if (PhraseTreePrivate::findBelowPosition (item, &parent, &above)) {
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moveItem(item, parent, above);
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setCurrentItem (item);
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item->setSelected(true);
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}
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}
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e->accept();
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return;
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}
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else if (e->key() == TQt::Key_Left) {
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TQListViewItem *item = currentItem();
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if ((item != 0) && (item->isSelected())) {
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TQListViewItem *parent;
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TQListViewItem *above;
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if (PhraseTreePrivate::findLeftPosition (item, &parent, &above)) {
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moveItem(item, parent, above);
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setCurrentItem (item);
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item->setSelected(true);
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}
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}
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e->accept();
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return;
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}
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else if (e->key() == TQt::Key_Right) {
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TQListViewItem *item = currentItem();
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if ((item != 0) && (item->isSelected())) {
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TQListViewItem *parent;
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TQListViewItem *above;
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if (PhraseTreePrivate::findRightPosition (item, &parent, &above)) {
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moveItem(item, parent, above);
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setCurrentItem (item);
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item->setSelected(true);
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}
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}
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e->accept();
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return;
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}
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}
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TDEListView::keyPressEvent(e);
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}
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PhraseTreeItem *PhraseTree::insertPhrase (TQListViewItem *parent, TQListViewItem *after, TQString phrase, TQString shortcut) {
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TDEShortcut cut = TDEShortcut(shortcut);
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if (isKeyPresent (cut, 0, false))
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cut = TDEShortcut(TQString());
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if (parent == 0)
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return new PhraseTreeItem (this, after, phrase, cut, this->phrase);
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else
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return new PhraseTreeItem (parent, after, phrase, cut, this->phrase);
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}
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PhraseTreeItem *PhraseTree::insertBook (TQListViewItem *parent, TQListViewItem *after, TQString name) {
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if (parent == 0)
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return new PhraseTreeItem (this, after, name, phrasebook_closed);
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else
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return new PhraseTreeItem (parent, after, name, phrasebook_closed);
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}
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TQListViewItem *PhraseTree::addBook (TQListViewItem *parent, TQListViewItem *after, PhraseBook *book) {
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TQListViewItem *last = after;
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int level = 0;
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PhraseBookEntryList::iterator it;
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for (it = book->begin(); it != book->end(); ++it) {
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int newLevel = (*it).getLevel();
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while (level < newLevel) {
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parent = insertBook(parent, last, "");
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last = 0;
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level++;
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}
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while (level > newLevel) {
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last = parent;
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if (parent != 0)
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parent = parent->parent();
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level--;
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}
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if ((*it).isPhrase()) {
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Phrase phrase = (*it).getPhrase();
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last = insertPhrase (parent, last, phrase.getPhrase(), phrase.getShortcut());
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}
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else {
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Phrase phrase = (*it).getPhrase();
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parent = insertBook(parent, last, phrase.getPhrase());
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last = 0;
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level++;
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}
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}
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while (level > 0) {
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last = parent;
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if (parent != 0)
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parent = parent->parent();
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level--;
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}
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return last;
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}
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void PhraseTree::fillBook (PhraseBook *book, bool respectSelection) {
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TQListViewItem *i = firstChild();
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int level = 0;
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if ( !i )
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return;
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do {
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if (i->isSelected() || !respectSelection || level > 0) {
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PhraseTreeItem *it = (PhraseTreeItem *)i;
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Phrase phrase(it->text(0), it->cut().toStringInternal());
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*book += PhraseBookEntry(phrase, level, it->isPhrase());
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}
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if (i->firstChild() != 0) {
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if (i->isSelected() || !respectSelection || level > 0)
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level++;
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i = i->firstChild();
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}
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else {
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while ((i != 0) && (i->nextSibling() == 0)) {
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i = i->parent();
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if (level > 0)
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level--;
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}
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if (i != 0)
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i = i->nextSibling();
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}
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}
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while (i != 0);
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}
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TQDragObject *PhraseTree::dragObject () {
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return dragObject (true);
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}
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TQDragObject *PhraseTree::dragObject (bool isDependent) {
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PhraseBook book;
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fillBook (&book, true);
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if (isDependent)
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return new PhraseBookDrag(&book, viewport());
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return new PhraseBookDrag(&book);
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}
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bool PhraseTree::acceptDrag (TQDropEvent* event) const {
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if (TDEListView::acceptDrag (event))
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return true;
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else
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return PhraseBookDrag::canDecode(event);
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}
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// Returns iSeq index if cut2 has a sequence of equal or higher priority
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// to a sequence in cut, else -1
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static int keyConflict (const TDEShortcut& cut, const TDEShortcut& cut2) {
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for (uint iSeq = 0; iSeq < cut.count(); iSeq++) {
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for (uint iSeq2 = 0; iSeq2 <= iSeq && iSeq2 < cut2.count(); iSeq2++) {
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if (cut.seq(iSeq) == cut2.seq(iSeq2))
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return iSeq;
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}
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}
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return -1;
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}
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void PhraseTree::_warning (const KKeySequence& cut, TQString sAction, TQString sTitle) {
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sAction = sAction.stripWhiteSpace();
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TQString s =
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i18n("The '%1' key combination has already been allocated "
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"to %2.\n"
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"Please choose a unique key combination.").
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arg(cut.toString()).arg(sAction);
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KMessageBox::sorry( this, s, sTitle );
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}
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bool PhraseTree::isStdAccelPresent (const TDEShortcut& cut, bool warnUser) {
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for (uint iSeq = 0; iSeq < cut.count(); iSeq++) {
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const KKeySequence& seq = cut.seq(iSeq);
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TDEStdAccel::StdAccel id = TDEStdAccel::findStdAccel( seq );
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if( id != TDEStdAccel::AccelNone
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&& keyConflict (cut, TDEStdAccel::shortcut(id)) > -1)
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{
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if (warnUser)
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_warning (cut.seq(iSeq),
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i18n("the standard \"%1\" action").arg(TDEStdAccel::label(id)),
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i18n("Conflict with Standard Application Shortcut"));
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return true;
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}
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}
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return false;
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}
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bool PhraseTree::isGlobalKeyPresent (const TDEShortcut& cut, bool warnUser) {
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TQMap<TQString, TQString> mapEntry = TDEGlobal::config()->entryMap ("Global Shortcuts");
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TQMap<TQString, TQString>::Iterator it;
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for (it = mapEntry.begin(); it != mapEntry.end(); ++it) {
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int iSeq = keyConflict (cut, TDEShortcut(*it));
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if (iSeq > -1) {
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if (warnUser)
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_warning (cut.seq(iSeq),
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i18n("the global \"%1\" action").arg(it.key()),
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i18n("Conflict with Global Shortcuts"));
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return true;
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}
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}
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return false;
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}
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bool PhraseTree::isPhraseKeyPresent (const TDEShortcut& cut, PhraseTreeItem* cutItem, bool warnUser) {
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for (TQListViewItemIterator it(this); it.current(); ++it) {
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PhraseTreeItem* item = dynamic_cast<PhraseTreeItem*>(it.current());
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if ((item != 0) && (item != cutItem)) {
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int iSeq = keyConflict (cut, item->cut());
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if (iSeq > -1) {
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if (warnUser)
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_warning (cut.seq(iSeq),
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i18n("an other phrase"),
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i18n("Key Conflict"));
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return true;
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}
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}
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}
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return false;
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}
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bool PhraseTree::isKeyPresent (const TDEShortcut& cut, PhraseTreeItem* cutItem, bool warnUser) {
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if (isStdAccelPresent (cut, warnUser))
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return true;
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if (isGlobalKeyPresent (cut, warnUser))
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return true;
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if (isPhraseKeyPresent (cut, cutItem, warnUser))
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return true;
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return false;
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}
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void PhraseTree::itemExpanded (TQListViewItem *item) {
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PhraseTreeItem *i = (PhraseTreeItem *)item;
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if (!i->isPhrase())
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i->setPixmap(0, phrasebook_open);
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}
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void PhraseTree::itemCollapsed (TQListViewItem *item) {
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PhraseTreeItem *i = (PhraseTreeItem *)item;
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if (!i->isPhrase())
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i->setPixmap(0, phrasebook_closed);
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}
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// ***************************************************************************
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#include "phrasetree.moc"
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