Source: /app/hbasic/hbasic/src/propertyeditor.h

/* **************************************************************************
 File: propertyeditor.h
 Desc: Widget to edit properties of GUI components.
 ----------------------------------------------------------------------------
	copyright            : (C) 2001 HBasic project (Marcus Engels)
 ***************************************************************************/

/* **************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

/* ----------------------------------------------------------------------- */
/* Changelog: Description of important changes within this file.           */
/*            Please report with date, maintainer and change description.  */
/* ----------------------------------------------------------------------- */

#ifndef PROPERTYEDITOR_H
#define PROPERTYEDITOR_H

class QVariant;
class HBSheetCell;
class HBSheetEditor;

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 

#include "structs.h"
#include "../gui_db_access/report_editor.h"
#include "window_list.h"

#define DMODE_GUI_WIDGET 1
#define DMODE_REPORT_PART 2
#define DMODE_REPORT_ELEMENT 3
#define DMODE_SHEET_CELL 4

class PropertyList;
class CPropertyEditor;
class QPainter;
class QColorGroup;
class QComboBox;
class QLineEdit;
class QPushButton;
class QHBox;
class QSpinBox;
class QLabel;
class FormDesigner;
class QCloseEvent;
class QResizeEvent;
class HBReportElmt;
class CSheetTableWidget;

#define POINTER_TOOL 32000
#define CONNECT_TOOL 32001
#define ORDER_TOOL 32002

int size_type_to_int( QSizePolicy::SizeType t );
QString size_type_to_string( QSizePolicy::SizeType t );
QSizePolicy::SizeType int_to_size_type( int i );

/**
 * @short Parent class for all other item types of the property list.
 *
 * The PropertyItem class is the parent class for all other item types of 
 * the property list. It handles common tasks that may be used by the
 * other item classes.
 */

class PropertyItem : public QListViewItem
{
public:
	PropertyItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
	~PropertyItem();

	void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align );
	void paintBranches( QPainter * p, const QColorGroup & cg,
			int w, int y, int h );
	void paintFocus( QPainter *p, const QColorGroup &cg, const QRect &r );

	virtual bool hasSubItems() const;
	virtual void createChildren();
	virtual void initChildren();
	void setup( void );

	bool isOpen() const;
	void setOpen( bool b );

	virtual void showEditor();
	virtual void hideEditor();

	virtual void setValue( const QVariant &v );
	QVariant value() const;
	QString name() const;
	virtual void notifyValueChange();

	virtual void setChanged( bool b, bool updateDb = TRUE );
	bool isChanged() const;

	virtual void placeEditor( QWidget *w );

	virtual PropertyItem *propertyParent() const;
	virtual void childValueChanged( PropertyItem *child );

	void addChild( PropertyItem *i );
	int childCount() const;
	PropertyItem *child( int i ) const;

	virtual bool hasCustomContents() const;
	virtual void drawCustomContents( QPainter *p, const QRect &r );

	void updateBackColor();

	virtual QString currentItem() const;
	virtual int currentIntItem() const;
	virtual void setCurrentItem( const QString &s );
	virtual void setCurrentItem( int i );
	virtual int currentIntItemFromObject() const;
	virtual QString currentItemFromObject() const;

	void setFocus( QWidget *w );

	virtual void toggle();
	void setText( int col, const QString &txt );

	int hbasic_property;  // TRUE if component property FALSE if QT prop.

protected:        /* properties */
	PropertyList *listview;
	QVariant val;

private:        /* methods */
	QColor backgroundColor();

private:
	bool open, changed;
	PropertyItem *property;
	QString propertyName;
	QList children;
	QColor backColor;
};

/* ################################################################## */

/**
 * @short Handle property list items of type string.
 *
 * The PropertyTextItem class handles items in the property list of type
 *  String.
 */

class PropertyTextItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
	PropertyTextItem( PropertyList *l, PropertyItem *after, 
		PropertyItem *prop, const QString &propName, bool comment, 
		bool multiLine, bool ascii = FALSE, bool a = FALSE );
	~PropertyTextItem();

	virtual void createChildren();
	virtual void initChildren();

	/**
	 * Show or place the text item editor.
	 */

	virtual void showEditor();
	virtual void hideEditor();

	virtual void setValue( const QVariant &v );
	virtual bool hasSubItems() const;
	virtual void childValueChanged( PropertyItem *child );

	virtual void setChanged( bool b, bool updateDb = TRUE );

private slots:
    void setValue();
    void getText();

private:
    QLineEdit *lined();
    QGuardedPtr lin;
    QGuardedPtr box;
    QPushButton *button;
    bool withComment, hasMultiLines, asciiOnly, accel;

};

/* ################################################################## */

/**
 * @short Handle property list items of type boolean.
 *
 * The PropertyBoolItem class handles items in the property list of type
 *  Boolean.
 */

class PropertyBoolItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyBoolItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyBoolItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual void toggle();

private slots:
    void setValue();

private:
    QComboBox *combo();
    QGuardedPtr comb;

};

/* ################################################################## */

/**
 * @short Handle property list items of type integer.
 *
 * The PropertyIntItem class handles items in the property list of type
 *  Integer.
 */

class PropertyIntItem : public QObject,
			public PropertyItem
{
    Q_OBJECT

public:
    PropertyIntItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		     const QString &propName, bool s );
    ~PropertyIntItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QSpinBox *spinBox();
    QGuardedPtr spinBx;
    bool signedValue;

};

/**
 * @short Handle property list items of type double.
 *
 * The PropertyIntItem class handles items in the property list of type
 *  Double.
 */

class PropertyDoubleItem : public QObject,
			public PropertyItem
{
    Q_OBJECT

public:
    PropertyDoubleItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		     const QString &propName );
    ~PropertyDoubleItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QLineEdit *lined();
    QGuardedPtr lin;
};

/* ################################################################## */

/**
 * @short Handle property list items of type string list.
 *
 * The PropertyListItem class handles items in the property list of type
 *  String list.
 */

class PropertyListItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyListItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		      const QString &propName, bool editable );
    ~PropertyListItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

    QString currentItem() const;
    int currentIntItem() const;
    void setCurrentItem( const QString &s );
    void setCurrentItem( int i );
    int currentIntItemFromObject() const;
    QString currentItemFromObject() const;

private slots:
    void setValue();

private:
    QComboBox *combo();
    QGuardedPtr comb;
    int oldInt;
    bool editable;
    QString oldString;

};

/* ################################################################## */

/**
 * @short Handle property list items of type font.
 *
 * The PropertyFontItem class handles items in the property list of type
 *  QFont.
 */

class PropertyFontItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyFontItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyFontItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

private slots:
    void getFont();

private:
    QGuardedPtr lined;
    QGuardedPtr button;
    QGuardedPtr box;

};

/* ################################################################## */

/**
 * @short Handle property list items of type point.
 *
 * The PropertyCoordItem class handles items in the property list of type
 *  point.
 */

class PropertyCoordItem : public QObject,
			  public PropertyItem
{
    Q_OBJECT

public:
    enum Type { Rect, Size, Point };

    PropertyCoordItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		       const QString &propName, Type t );
    ~PropertyCoordItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

private:
    QLineEdit *lined();
    QGuardedPtr lin;
    Type typ;

};

/* ################################################################## */

/**
 * @short Handle property list items of type color.
 *
 * The PropertyColorItem class handles items in the property list of type
 *  QColor.
 */

class PropertyColorItem : public QObject,
			  public PropertyItem
{
    Q_OBJECT

public:
    PropertyColorItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		       const QString &propName, bool children );
    ~PropertyColorItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

    virtual bool hasCustomContents() const;
    virtual void drawCustomContents( QPainter *p, const QRect &r );

private slots:
    void getColor();

private:
    QGuardedPtr box;
    QGuardedPtr colorPrev;
    QGuardedPtr button;
    bool withChildren;

};

/* ################################################################## */

/**
 * @short Handle property list items of type pixmap.
 *
 * The PropertyPixmapItem class handles items in the property list of type
 *  QPixmap.
 */

class PropertyPixmapItem : public QObject,
			   public PropertyItem
{
    Q_OBJECT

public:
    PropertyPixmapItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			const QString &propName );
    ~PropertyPixmapItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

    virtual bool hasCustomContents() const;
    virtual void drawCustomContents( QPainter *p, const QRect &r );

private slots:
    void getPixmap();

private:
    QGuardedPtr box;
    QGuardedPtr pixPrev;
    QPushButton *button;

};

/* ################################################################## */

/**
 * @short Handle property list items of type size.
 *
 * The PropertySizePolicyItem class handles items in the property list of type
 *  Size.
 */


class PropertySizePolicyItem : public QObject,
			  public PropertyItem
{
    Q_OBJECT

public:
    PropertySizePolicyItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			    const QString &propName );
    ~PropertySizePolicyItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

private:
    QLineEdit *lined();
    QGuardedPtr lin;

};

/* ################################################################## */

/**
 * @short Handle property list items of type palette.
 *
 * The PropertyPaletteItem class handles items in the property list of type
 *  palette.
 */

class PropertyPaletteItem : public QObject,
			    public PropertyItem
{
    Q_OBJECT

public:
    PropertyPaletteItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			const QString &propName );
    ~PropertyPaletteItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

    virtual bool hasCustomContents() const;
    virtual void drawCustomContents( QPainter *p, const QRect &r );

private slots:
    void getPalette();

private:
    QGuardedPtr box;
    QGuardedPtr palettePrev;
    QGuardedPtr button;

};

/* ################################################################## */

/**
 * @short Handle property list items of type cursor.
 *
 * The PropertyCursorItem class handles items in the property list of type
 *  QCursor.
 */

class PropertyCursorItem : public QObject,
			   public PropertyItem
{
    Q_OBJECT

public:
    PropertyCursorItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			const QString &propName );
    ~PropertyCursorItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QComboBox *combo();
    QGuardedPtr comb;

};

/* ################################################################## */

/**
 * @short Handle list of property entries in property editor widget.
 *
 * The PropertyList class handles the list of all property editor items
 *  within the property editor window.
 */


class PropertyList : public QListView
{
	Q_OBJECT

public:
	short display_mode;

public:
	PropertyList( CPropertyEditor *e );

	void setupProperties();
	void setupReportProperties( short type );
	void setupSheetProperties( void );
	QVariant *getElementProperty( char *name );
	void storeReportProperty( QString *name, QVariant *value );
	void storeCompProperty( PropertyItem *i );
	void setupGuiProperties( void );
	void storeSheetProperty( QString *name, QVariant *value );

	void setCurrentItem( QListViewItem *i );
	void valueChanged( PropertyItem *i );
	void refetchData();
	void setLPropertyValue( PropertyItem *i );
	void setCurrentProperty( const QString &n );
	void setReportEditor( CReportEditorWidget *ptr );
	void setupCompProperties( void );

	CPropertyEditor *propertyEditor() const;

	CReportPart *report_part;
	CReportEditorWidget *report_editor;
	HBReportElmt *report_element;

	/* Pointer to current sheet cell and sheet editor. If the property list */
	/* of the sheet contents changes we send change events to the sheet editor */
	/* so that it may update the current display of the sheet. */

	HBSheetCell *cell_ptr;
	CSheetTableWidget *sheet_edit_ptr;

	GUI_HEADER *hbasic_widget;  /* Hbasic description for property widget. */

public slots:
	void updateEditorSize();

private slots:
	void itemPressed( QListViewItem *i, const QPoint &p, int c );
	void toggleOpen( QListViewItem *i );
	bool eventFilter( QObject *o, QEvent *e );

protected:
	void resizeEvent( QResizeEvent *e );
	void paintEmptyArea( QPainter *p, const QRect &r );
	bool addPropertyItem( PropertyItem *&item, const QCString &name, QVariant::Type t );

private:
	CPropertyEditor *editor;
};

/* ################################################################## */

/**
 * @short Main property editor widget.
 *
 * The CPropertyEditor class is the main editor widget to display and
 *  iedit the property items in the HBasic program.
 */

class CPropertyEditor : public CWindowListChild
{
	Q_OBJECT

	Q_PROPERTY( bool visible READ getVisible WRITE setVisible );
public:
	CPropertyEditor( QWidget *parent );

	QWidget *widget() const;

	void clear();
	void setup();
	short visible;

	bool getVisible() const;
	void setVisible( bool );

	void emitWidgetChanged();
	void refetchData();

	void closed( void );  //  FormWindow *w );

	PropertyList *propertyList() const;
	FormDesigner *formDesigner( void );

	QString currentProperty() const;
	QString classOfCurrentProperty() const;
	void setDialogFont( QFont *new_font );
	QMetaObject* metaObjectOfCurrentProperty() const;
	void setProperty( const QVariant &v, const QString ¤tItemText, bool select = TRUE );
	void redrawContents( void );

	void resetFocus();

signals:
	void hidden();

public slots:
	void setCurrentWidget( QWidget *w , GUI_HEADER *hbasic_comp, FormDesigner *fw );
	void setReportField( CReportEditorWidget *report_editor, CReportPart *part_ptr, HBReportElmt *rep_field_ptr );
	void setReportPart( CReportEditorWidget *report_editor, CReportPart *part_desc_ptr );
	void setSheetCell( CSheetTableWidget *edit_ptr, HBSheetCell *sheet_cell );

protected:
	void closeEvent( QCloseEvent *e );
	void resizeEvent( QResizeEvent *e );

private:
	QWidget *wid;
	PropertyList *listview;
	FormDesigner *formwindow;
};

#endif