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292 lines
8.3 KiB
292 lines
8.3 KiB
/* This file is part of the KDE project
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Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "kexisharedactionhost.h"
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#include "kexisharedactionhost_p.h"
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#include "kexiactionproxy.h"
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#include "kexidialogbase.h"
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#include <kexiutils/utils.h>
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#include <kiconloader.h>
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#include <kguiitem.h>
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#include <kdebug.h>
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KexiSharedActionHostPrivate::KexiSharedActionHostPrivate(KexiSharedActionHost *h)
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: TQObject(0,"KexiSharedActionHostPrivate")
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, actionProxies(401)
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, actionMapper( this )
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, volatileActions(401)
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, enablers(401, false)
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, host(h)
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{
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volatileActions.setAutoDelete(true);
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connect(&actionMapper, TQT_SIGNAL(mapped(const TQString &)), this, TQT_SLOT(slotAction(const TQString &)));
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}
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void KexiSharedActionHostPrivate::slotAction(const TQString& act_id)
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{
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TQWidget *w = host->focusWindow(); //tqfocusWidget();
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// while (w && !w->inherits("KexiDialogBase") && !w->inherits("KexiDockBase"))
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// w = w->parentWidget();
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KexiActionProxy *proxy = w ? actionProxies[ w ] : 0;
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if (!proxy || !proxy->activateSharedAction(act_id.latin1())) {
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//also try to find previous enabler
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w = enablers[act_id.latin1()];
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if (!w)
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return;
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proxy = actionProxies[ w ];
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if (!proxy)
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return;
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proxy->activateSharedAction(act_id.latin1());
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}
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}
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//--------------------------------------------------
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//! dummy host to avoid crashes
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KexiSharedActionHost KexiSharedActionHost_dummy = KexiSharedActionHost(0);
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//! default host
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KexiSharedActionHost* KexiSharedActionHost_defaultHost = &KexiSharedActionHost_dummy;
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KexiSharedActionHost& KexiSharedActionHost::defaultHost()
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{
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return *KexiSharedActionHost_defaultHost;
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}
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void KexiSharedActionHost::setAsDefaultHost()
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{
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KexiSharedActionHost_defaultHost = this;
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}
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//--------------------------------------------------
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KexiSharedActionHost::KexiSharedActionHost(KMainWindow* mainWin)
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: d( new KexiSharedActionHostPrivate(this) )
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{
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d->mainWin = mainWin;
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}
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KexiSharedActionHost::~KexiSharedActionHost()
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{
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if (KexiSharedActionHost_defaultHost == this) {
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//default host is destroyed! - restore dummy
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KexiSharedActionHost_defaultHost = &KexiSharedActionHost_dummy;
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}
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delete d;
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d=0; //! to let takeActionProxyFor() know that we are almost dead :)
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}
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void KexiSharedActionHost::setActionAvailable(const char *action_name, bool avail)
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{
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KAction *act = d->mainWin->actionCollection()->action(action_name);
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if (act) {
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act->setEnabled(avail);
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}
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}
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void KexiSharedActionHost::updateActionAvailable(const char *action_name, bool avail, TQObject *obj)
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{
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/*test if (qstrcmp(action_name, "tablepart_toggle_pkey")==0) {
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kdDebug() << "tablepart_toggle_pkey" << endl;
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}*/
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if (!d)
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return; //sanity
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TQWidget *fw = d->mainWin->tqfocusWidget();
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while (fw && TQT_BASE_OBJECT(obj)!=TQT_BASE_OBJECT(fw))
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fw = fw->parentWidget();
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if (!fw)
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return;
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setActionAvailable(action_name, avail);
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if (avail) {
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d->enablers.tqreplace(action_name, fw);
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}
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else {
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d->enablers.take(action_name);
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}
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}
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void KexiSharedActionHost::plugActionProxy(KexiActionProxy *proxy)
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{
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// kdDebug() << "KexiSharedActionHost::plugActionProxy():" << proxy->receiver()->name() << endl;
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d->actionProxies.insert( proxy->receiver(), proxy );
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}
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KMainWindow* KexiSharedActionHost::mainWindow() const
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{
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return d->mainWin;
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}
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void KexiSharedActionHost::invalidateSharedActions(TQObject *o)
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{
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if (!d)
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return;
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bool insideDialogBase = o && (o->inherits("KexiDialogBase") || 0!=KexiUtils::findParent<KexiDialogBase>(o, "KexiDialogBase"));
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KexiActionProxy *p = o ? d->actionProxies[ o ] : 0;
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for (KActionPtrList::ConstIterator it=d->sharedActions.constBegin(); it!=d->sharedActions.constEnd(); ++it) {
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// setActionAvailable((*it)->name(),p && p->isAvailable((*it)->name()));
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KAction *a = *it;
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if (!insideDialogBase && d->mainWin->actionCollection()!=a->parentCollection()) {
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//o is not KexiDialogBase or its child:
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// only tqinvalidate action if it comes from mainwindow's KActionCollection
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// (thus part-actions are untouched when the focus is e.g. in the Property Editor)
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continue;
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}
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const bool avail = p && p->isAvailable(a->name());
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KexiVolatileActionData *va = d->volatileActions[ a ];
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if (va != 0) {
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if (p && p->isSupported(a->name())) {
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TQPtrList<KAction> actions_list;
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actions_list.append( a );
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if (!va->plugged) {
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va->plugged=true;
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// d->mainWin->unplugActionList( a->name() );
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d->mainWin->plugActionList( a->name(), actions_list );
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}
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}
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else {
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if (va->plugged) {
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va->plugged=false;
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d->mainWin->unplugActionList( a->name() );
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}
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}
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}
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// a->setEnabled(p && p->isAvailable(a->name()));
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a->setEnabled(avail);
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// kdDebug() << "Action " << a->name() << (avail ? " enabled." : " disabled.") << endl;
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}
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}
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KexiActionProxy* KexiSharedActionHost::actionProxyFor(TQObject *o) const
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{
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return d->actionProxies[ o ];
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}
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KexiActionProxy* KexiSharedActionHost::takeActionProxyFor(TQObject *o)
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{
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if (d)
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return d->actionProxies.take( o );
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return 0;
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}
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bool KexiSharedActionHost::acceptsSharedActions(TQObject *)
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{
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return false;
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}
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TQWidget* KexiSharedActionHost::focusWindow()
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{
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TQWidget *fw;
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if (dynamic_cast<KMdiMainFrm*>(d->mainWin)) {
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fw = dynamic_cast<KMdiMainFrm*>(d->mainWin)->activeWindow();
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}
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else {
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TQWidget *aw = TQT_TQWIDGET(tqApp->activeWindow());
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if (!aw)
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aw = d->mainWin;
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fw = aw->tqfocusWidget();
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}
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while (fw && !acceptsSharedActions(TQT_TQOBJECT(fw)))
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fw = fw->parentWidget();
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return fw;
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}
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KAction* KexiSharedActionHost::createSharedActionInternal( KAction *action )
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{
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TQObject::connect(action,TQT_SIGNAL(activated()), &d->actionMapper, TQT_SLOT(map()));
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d->actionMapper.setMapping(action, action->name());
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d->sharedActions.append( action );
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return action;
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}
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KActionPtrList KexiSharedActionHost::sharedActions() const
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{
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return d->sharedActions;
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}
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/*class KexiAction : public KAction
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{
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public:
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KexiAction(const TQString &text, const TQIconSet &pix,
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const KShortcut &cut, const TQObject *receiver,
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const char *slot, KActionCollection *tqparent, const char *name)
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: KAction(text,pix,cut,receiver,slot,tqparent,name)
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{
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}
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TQPtrDict<TQWidget> unplugged;
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};*/
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KAction* KexiSharedActionHost::createSharedAction(const TQString &text, const TQString &pix_name,
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const KShortcut &cut, const char *name, KActionCollection* col, const char *subclassName)
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{
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if (subclassName==0)
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return createSharedActionInternal(
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new KAction(text, pix_name,
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cut, 0/*receiver*/, 0/*slot*/, col ? col : d->mainWin->actionCollection(), name)
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);
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else if (qstricmp(subclassName,"KToggleAction")==0)
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return createSharedActionInternal(
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new KToggleAction(text, pix_name,
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cut, 0/*receiver*/, 0/*slot*/, col ? col : d->mainWin->actionCollection(), name)
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);
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else if (qstricmp(subclassName,"KActionMenu")==0)
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return createSharedActionInternal(
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new KActionMenu(text, pix_name, col ? col : d->mainWin->actionCollection(), name)
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);
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//TODO: more KAction subclasses
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return 0;
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}
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KAction* KexiSharedActionHost::createSharedAction( KStdAction::StdAction id, const char *name,
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KActionCollection* col)
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{
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return createSharedActionInternal(
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KStdAction::create( id, name, 0/*receiver*/, 0/*slot*/, col ? col : d->mainWin->actionCollection() )
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);
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}
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KAction* KexiSharedActionHost::createSharedAction(const KGuiItem& guiItem, const KShortcut &cut,
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const char *name, KActionCollection* col)
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{
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return createSharedActionInternal(
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new KAction(guiItem, cut, 0/*receiver*/, 0/*slot*/,
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col ? col : d->mainWin->actionCollection(), name));
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}
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void KexiSharedActionHost::setActionVolatile( KAction *a, bool set )
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{
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if (!set) {
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d->volatileActions.remove( a );
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return;
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}
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if (d->volatileActions[ a ])
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return;
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d->volatileActions.insert( a, new KexiVolatileActionData() );
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}
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#include "kexisharedactionhost_p.moc"
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