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00022 #include "kconfigdialog.h"
00023
00024 #include <kcomponentdata.h>
00025 #include <kconfigdialogmanager.h>
00026 #include <kconfigskeleton.h>
00027 #include <kdebug.h>
00028 #include <kicon.h>
00029 #include <kiconloader.h>
00030 #include <klocale.h>
00031 #include <kpagewidgetmodel.h>
00032 #include <kvbox.h>
00033
00034 #include <QtGui/QLayout>
00035 #include <QtCore/QMap>
00036
00037 class KConfigDialog::KConfigDialogPrivate
00038 {
00039 public:
00040 KConfigDialogPrivate(KConfigDialog *q)
00041 : q(q), shown(false), manager(0) { }
00042
00043 KPageWidgetItem* addPageInternal(QWidget *page, const QString &itemName,
00044 const QString &pixmapName, const QString &header);
00045
00046 void setupManagerConnections(KConfigDialogManager *manager);
00047
00048 void _k_updateButtons();
00049 void _k_settingsChangedSlot();
00050
00051 KConfigDialog *q;
00052 bool shown;
00053 KConfigDialogManager *manager;
00054 QMap<QWidget *, KConfigDialogManager *> managerForPage;
00055
00059 static QHash<QString,KConfigDialog *> openDialogs;
00060 };
00061
00062 QHash<QString,KConfigDialog *> KConfigDialog::KConfigDialogPrivate::openDialogs;
00063
00064 KConfigDialog::KConfigDialog( QWidget *parent, const QString& name,
00065 KConfigSkeleton *config ) :
00066 KPageDialog( parent ),
00067 d(new KConfigDialogPrivate(this))
00068 {
00069 setCaption( i18n("Configure") );
00070 setFaceType( List );
00071 setButtons( Default|Ok|Apply|Cancel|Help );
00072 setHelp( QString(), KGlobal::mainComponent().componentName() );
00073 setDefaultButton( Ok );
00074 setObjectName( name );
00075 showButtonSeparator( true );
00076
00077 if ( !name.isEmpty() ) {
00078 KConfigDialogPrivate::openDialogs.insert(name, this);
00079 } else {
00080 QString genericName;
00081 genericName.sprintf("SettingsDialog-%p", static_cast<void*>(this));
00082 KConfigDialogPrivate::openDialogs.insert(genericName, this);
00083 setObjectName(genericName);
00084 }
00085
00086 connect(this, SIGNAL(okClicked()), this, SLOT(updateSettings()));
00087 connect(this, SIGNAL(applyClicked()), this, SLOT(updateSettings()));
00088 connect(this, SIGNAL(applyClicked()), this, SLOT(_k_updateButtons()));
00089 connect(this, SIGNAL(cancelClicked()), this, SLOT(updateWidgets()));
00090 connect(this, SIGNAL(defaultClicked()), this, SLOT(updateWidgetsDefault()));
00091 connect(this, SIGNAL(defaultClicked()), this, SLOT(_k_updateButtons()));
00092 connect(this, SIGNAL(pageRemoved(KPageWidgetItem*)), this, SLOT(onPageRemoved(KPageWidgetItem*)));
00093
00094 d->manager = new KConfigDialogManager(this, config);
00095 d->setupManagerConnections(d->manager);
00096
00097 enableButton(Apply, false);
00098 }
00099
00100 KConfigDialog::~KConfigDialog()
00101 {
00102 KConfigDialogPrivate::openDialogs.remove(objectName());
00103 delete d;
00104 }
00105
00106 KPageWidgetItem* KConfigDialog::addPage(QWidget *page,
00107 const QString &itemName,
00108 const QString &pixmapName,
00109 const QString &header,
00110 bool manage)
00111 {
00112 KPageWidgetItem* item = d->addPageInternal(page, itemName, pixmapName, header);
00113 if(manage)
00114 d->manager->addWidget(page);
00115
00116 if (d->shown && manage)
00117 {
00118
00119 bool is_default = isButtonEnabled(Default) && d->manager->isDefault();
00120 enableButton(Default,!is_default);
00121 }
00122 return item;
00123 }
00124
00125 KPageWidgetItem* KConfigDialog::addPage(QWidget *page,
00126 KConfigSkeleton *config,
00127 const QString &itemName,
00128 const QString &pixmapName,
00129 const QString &header)
00130 {
00131 KPageWidgetItem* item = d->addPageInternal(page, itemName, pixmapName, header);
00132 d->managerForPage[page] = new KConfigDialogManager(page, config);
00133 d->setupManagerConnections(d->managerForPage[page]);
00134
00135 if (d->shown)
00136 {
00137
00138 bool is_default = isButtonEnabled(Default) && d->managerForPage[page]->isDefault();
00139 enableButton(Default,!is_default);
00140 }
00141 return item;
00142 }
00143
00144 KPageWidgetItem* KConfigDialog::KConfigDialogPrivate::addPageInternal(QWidget *page,
00145 const QString &itemName,
00146 const QString &pixmapName,
00147 const QString &header)
00148 {
00149 KVBox *frame = new KVBox(q);
00150 frame->setSpacing( 0 );
00151 frame->setMargin( 0 );
00152 page->setParent(frame);
00153
00154 KPageWidgetItem *item = new KPageWidgetItem( frame, itemName );
00155 item->setHeader( header );
00156 if ( !pixmapName.isEmpty() )
00157 item->setIcon( KIcon( pixmapName ) );
00158
00159 q->KPageDialog::addPage( item );
00160 return item;
00161 }
00162
00163 void KConfigDialog::KConfigDialogPrivate::setupManagerConnections(KConfigDialogManager *manager)
00164 {
00165 q->connect(manager, SIGNAL(settingsChanged()), q, SLOT(_k_settingsChangedSlot()));
00166 q->connect(manager, SIGNAL(widgetModified()), q, SLOT(_k_updateButtons()));
00167
00168 q->connect(q, SIGNAL(okClicked()), manager, SLOT(updateSettings()));
00169 q->connect(q, SIGNAL(applyClicked()), manager, SLOT(updateSettings()));
00170 q->connect(q, SIGNAL(cancelClicked()), manager, SLOT(updateWidgets()));
00171 q->connect(q, SIGNAL(defaultClicked()), manager, SLOT(updateWidgetsDefault()));
00172 }
00173
00174 void KConfigDialog::onPageRemoved( KPageWidgetItem *item )
00175 {
00176 QMap<QWidget *, KConfigDialogManager *>::iterator j = d->managerForPage.begin();
00177 while (j != d->managerForPage.end())
00178 {
00179
00180 if (item->widget()->isAncestorOf(j.key()))
00181 {
00182 KConfigDialogManager* manager = j.value();
00183 d->managerForPage.erase(j);
00184 delete manager;
00185 d->_k_updateButtons();
00186 break;
00187 }
00188 j++;
00189 }
00190 }
00191
00192 KConfigDialog* KConfigDialog::exists(const QString& name)
00193 {
00194 QHash<QString,KConfigDialog *>::const_iterator it = KConfigDialogPrivate::openDialogs.constFind( name );
00195 if ( it != KConfigDialogPrivate::openDialogs.constEnd() )
00196 return *it;
00197 return 0;
00198 }
00199
00200 bool KConfigDialog::showDialog(const QString& name)
00201 {
00202 KConfigDialog *dialog = exists(name);
00203 if(dialog)
00204 dialog->show();
00205 return (dialog != NULL);
00206 }
00207
00208 void KConfigDialog::KConfigDialogPrivate::_k_updateButtons()
00209 {
00210 static bool only_once = false;
00211 if (only_once) return;
00212 only_once = true;
00213
00214 QMap<QWidget *, KConfigDialogManager *>::iterator it;
00215
00216 bool has_changed = manager->hasChanged() || q->hasChanged();
00217 for (it = managerForPage.begin();
00218 it != managerForPage.end() && !has_changed;
00219 ++it)
00220 {
00221 has_changed |= (*it)->hasChanged();
00222 }
00223
00224 q->enableButton(KDialog::Apply, has_changed);
00225
00226 bool is_default = manager->isDefault() && q->isDefault();
00227 for (it = managerForPage.begin();
00228 it != managerForPage.end() && is_default;
00229 ++it)
00230 {
00231 is_default &= (*it)->isDefault();
00232 }
00233
00234 q->enableButton(KDialog::Default, !is_default);
00235
00236 emit q->widgetModified();
00237 only_once = false;
00238 }
00239
00240 void KConfigDialog::KConfigDialogPrivate::_k_settingsChangedSlot()
00241 {
00242
00243 _k_updateButtons();
00244 emit q->settingsChanged(q->objectName());
00245 }
00246
00247 void KConfigDialog::showEvent(QShowEvent *e)
00248 {
00249 if (!d->shown)
00250 {
00251 QMap<QWidget *, KConfigDialogManager *>::iterator it;
00252
00253 updateWidgets();
00254 d->manager->updateWidgets();
00255 for (it = d->managerForPage.begin(); it != d->managerForPage.end(); ++it)
00256 (*it)->updateWidgets();
00257
00258 bool has_changed = d->manager->hasChanged() || hasChanged();
00259 for (it = d->managerForPage.begin();
00260 it != d->managerForPage.end() && !has_changed;
00261 ++it)
00262 {
00263 has_changed |= (*it)->hasChanged();
00264 }
00265
00266 enableButton(Apply, has_changed);
00267
00268 bool is_default = d->manager->isDefault() && isDefault();
00269 for (it = d->managerForPage.begin();
00270 it != d->managerForPage.end() && is_default;
00271 ++it)
00272 {
00273 is_default &= (*it)->isDefault();
00274 }
00275
00276 enableButton(Default, !is_default);
00277 d->shown = true;
00278 }
00279 KPageDialog::showEvent(e);
00280 }
00281
00282 void KConfigDialog::updateSettings()
00283 {
00284 }
00285
00286 void KConfigDialog::updateWidgets()
00287 {
00288 }
00289
00290 void KConfigDialog::updateWidgetsDefault()
00291 {
00292 }
00293
00294 bool KConfigDialog::hasChanged()
00295 {
00296 return false;
00297 }
00298
00299 bool KConfigDialog::isDefault()
00300 {
00301 return true;
00302 }
00303
00304
00305 #include "kconfigdialog.moc"