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190 lines
6.9 KiB
190 lines
6.9 KiB
/* This file is part of the KDE project
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Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
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Copyright (C) 2004 Alexander Dymo <cloudtemple@mskat.net>
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Copyright (C) 2004-2006 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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#ifndef KPROPERTY_PROPERTYEDITOR_H
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#define KPROPERTY_PROPERTYEDITOR_H
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#include <tqguardedptr.h>
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#include "koproperty_global.h"
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#include <klistview.h>
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class TQSize;
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namespace KoProperty {
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class EditorPrivate;
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class Property;
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class Set;
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class Widget;
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class EditorItem;
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/*! \brief A listview to edit properties
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Editor widgets use property options using Property::option(const char *)
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to override default behaviour of editor items.
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Currently supported options are:
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<ul><li> min: integer setting for minimum value of IntEdit and DoubleEdit item. Default is 0.
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Set "min" to -1, if you want this special value to be allowed.</li>
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<li> minValueText: i18n'd TQString used in IntEdit to set "specialValueText"
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widget's property</li>
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<li> max: integer setting for minimum value of IntEdit item. Default is 0xffff.</li>
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<li> precision: The number of decimals after the decimal point. (for DoubleEdit)</li>
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<li> step : the size of the step that is taken when the user hits the up
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or down buttons (for DoubleEdit) </li>
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<li> 3rdState: i18n'd TQString used in BoolEdit. If not empty, the the editor's button
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accept third "null" state with name equal to this string. When this value is selected,
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Widget::value() returns null TQVariant. This option is used for example in the "defaultValue"
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property for a field of type boolean (in Kexi Table Designer). Third, "null" value
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of the property means there is no "defaultValue" specified. </li>
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</ul>
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\author Cedric Pasteur <cedric.pasteur@free.fr>
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\author Alexander Dymo <cloudtemple@mskat.net>
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\author Jaroslaw Staniek <js@iidea.pl>
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*/
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class KOPROPERTY_EXPORT Editor : public KListView
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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/*! Creates an empty Editor with \a parent as parent widget.
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If \a autoSync == true, properties values are automatically synced as
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soon as editor contents change (eg the user types text, etc.)
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and the values are written in the property set. Otherwise, property set
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is updated only when selected item changes or user presses Enter key.
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Each property can overwrite this if its autoSync() == 0 or 1.
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*/
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Editor(TQWidget *parent=0, bool autoSync=true, const char *name=0);
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virtual ~Editor();
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virtual TQSize tqsizeHint() const;
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virtual void setFocus();
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virtual void setSorting( int column, bool ascending = true );
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public slots:
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/*! Populates the editor with an item for each property in the List.
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Also creates child items for composed properties.
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If \a preservePrevSelection is true, previously selected editor
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item will be kept selected, if present. */
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void changeSet(Set *set, bool preservePrevSelection = false);
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/*! Populates the editor with an item for each property in the List.
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Also creates child items for composed properties.
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If \a propertyToSelect is not empty, editor item for this property name
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will be selected, if present. */
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void changeSet(Set *set, const TQCString& propertyToSelect);
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/*! Clears all items in the list.
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if \a editorOnly is true, then only the current editor will be cleared,
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not the whole list.
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*/
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void clear(bool editorOnly = false);
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/*! Accept the changes mae to the current editor (as if the user had pressed Enter key) */
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void acceptInput();
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signals:
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/*! Emitted when current property set has been changed. May be 0. */
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void propertySetChanged(KoProperty::Set *set);
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protected slots:
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/*! Updates property widget in the editor.*/
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void slotPropertyChanged(KoProperty::Set& set, KoProperty::Property& property);
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void slotPropertyReset(KoProperty::Set& set, KoProperty::Property& property);
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/*! Updates property in the list when new value is selected in the editor.*/
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void slotWidgetValueChanged(Widget* widget);
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/*! Called when the user presses Enter to accet the input
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(only applies when autoSync() == false).*/
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void slotWidgetAcceptInput(Widget *widget);
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/*! Called when the user presses Esc. Calls undo(). */
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void slotWidgetRejectInput(Widget *widget);
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/*! Called when current property set is about to be cleared. */
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void slotSetWillBeCleared();
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/*! Called when current property set is about to be destroyed. */
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void slotSetWillBeDeleted();
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/*! This slot is called when the user clicks the list view.
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It takes care of deleting current editor and
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creating a new editor for the newly selected item. */
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void slotClicked(TQListViewItem *item);
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/*! Undoes the last change in property editor.*/
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void undo();
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void updateEditorGeometry(bool forceUndoButtonSettings = false, bool undoButtonVisible = false);
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void updateEditorGeometry(EditorItem *item, Widget* widget, bool forceUndoButtonSettings = false, bool undoButtonVisible = false);
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void updateGroupLabelsPosition();
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void hideEditor();
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void slotCollapsed(TQListViewItem *item);
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void slotExpanded(TQListViewItem *item);
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void slotColumnSizeChanged(int section);
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void slotColumnSizeChanged(int section, int oldSize, int newSize);
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void slotCurrentChanged(TQListViewItem *item);
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void changeSetLater();
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void selectItemLater();
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protected:
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/*! \return \ref Widget for given property.
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Uses cache to store created widgets.
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Cache will be cleared only with clearWidgetCache().*/
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Widget *createWidgetForProperty(Property *property, bool changeWidgetProperty=true);
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/*! Deletes cached machines.*/
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void clearWidgetCache();
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void fill();
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void addItem(const TQCString &name, EditorItem *parent);
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void showUndoButton( bool show );
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virtual void resizeEvent(TQResizeEvent *ev);
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virtual bool eventFilter( TQObject * watched, TQEvent * e );
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bool handleKeyPress(TQKeyEvent* ev);
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virtual bool event( TQEvent * e );
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void updateFont();
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virtual void contentsMousePressEvent( TQMouseEvent * e );
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/*! Used for changeSet(). */
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void changeSetInternal(Set *set, bool preservePrevSelection,
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const TQCString& propertyToSelect);
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private:
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EditorPrivate *d;
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friend class EditorItem;
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friend class Widget;
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};
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}
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#endif
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