wxWidgets/include/wx/propgrid/property.h
2022-05-30 19:14:46 +02:00

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/propgrid/property.h
// Purpose: wxPGProperty and related support classes
// Author: Jaakko Salli
// Modified by:
// Created: 2008-08-23
// Copyright: (c) Jaakko Salli
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PROPGRID_PROPERTY_H_
#define _WX_PROPGRID_PROPERTY_H_
#include "wx/defs.h"
#if wxUSE_PROPGRID
#include "wx/propgrid/propgriddefs.h"
#include "wx/bitmap.h"
#include "wx/bmpbndl.h"
#include "wx/font.h"
#include "wx/validate.h"
// -----------------------------------------------------------------------
#define wxNullProperty ((wxPGProperty*)NULL)
// Contains information relayed to property's OnCustomPaint.
struct wxPGPaintData
{
// wxPropertyGrid
const wxPropertyGrid* m_parent;
// Normally -1, otherwise index to drop-down list item
// that has to be drawn.
int m_choiceItem;
// Set to drawn width in OnCustomPaint (optional).
int m_drawnWidth;
// In a measure item call, set this to the height of item
// at m_choiceItem index.
int m_drawnHeight;
};
// space between vertical sides of a custom image
#define wxPG_CUSTOM_IMAGE_SPACINGY 1
// space between caption and selection rectangle,
#define wxPG_CAPRECTXMARGIN 2
// horizontally and vertically
#define wxPG_CAPRECTYMARGIN 1
// Base class for wxPropertyGrid cell renderers.
class WXDLLIMPEXP_PROPGRID wxPGCellRenderer : public wxObjectRefData
{
public:
wxPGCellRenderer()
: wxObjectRefData() { }
virtual ~wxPGCellRenderer() { }
// Render flags
enum
{
// We are painting selected item
Selected = 0x00010000,
// We are painting item in choice popup
ChoicePopup = 0x00020000,
// We are rendering wxOwnerDrawnComboBox control
// (or other owner drawn control, but that is only
// officially supported one ATM).
Control = 0x00040000,
// We are painting a disable property
Disabled = 0x00080000,
// We are painting selected, disabled, or similar
// item that dictates fore- and background colours,
// overriding any cell values.
DontUseCellFgCol = 0x00100000,
DontUseCellBgCol = 0x00200000,
DontUseCellColours = DontUseCellFgCol |
DontUseCellBgCol
};
// Returns true if rendered something in the foreground
// (text or bitmap).
virtual bool Render( wxDC& dc,
const wxRect& rect,
const wxPropertyGrid* propertyGrid,
wxPGProperty* property,
int column,
int item,
int flags ) const = 0;
// Returns size of the image in front of the editable area.
// If property is NULL, then this call is for a custom value.
// In that case the item is index to wxPropertyGrid's custom values.
virtual wxSize GetImageSize( const wxPGProperty* property,
int column,
int item ) const;
// Paints property category selection rectangle.
#if WXWIN_COMPATIBILITY_3_0
virtual void DrawCaptionSelectionRect( wxDC& dc,
int x, int y,
int w, int h ) const;
#else
virtual void DrawCaptionSelectionRect(wxWindow *win, wxDC& dc,
int x, int y, int w, int h) const;
#endif // WXWIN_COMPATIBILITY_3_0
// Utility to draw vertically centered text.
void DrawText( wxDC& dc,
const wxRect& rect,
int imageWidth,
const wxString& text ) const;
// Utility to draw editor's value, or vertically
// aligned text if editor is NULL.
void DrawEditorValue( wxDC& dc, const wxRect& rect,
int xOffset, const wxString& text,
wxPGProperty* property,
const wxPGEditor* editor ) const;
// Utility to render cell bitmap and set text
// colour plus bg brush colour.
// Returns image width, which, for instance,
// can be passed to DrawText.
int PreDrawCell( wxDC& dc,
const wxRect& rect,
const wxPropertyGrid* propGrid,
const wxPGCell& cell,
int flags ) const;
// Utility to be called after drawing is done, to revert
// whatever changes PreDrawCell() did.
// Flags are the same as those passed to PreDrawCell().
void PostDrawCell( wxDC& dc,
const wxPropertyGrid* propGrid,
const wxPGCell& cell,
int flags ) const;
};
// Default cell renderer, that can handles the common
// scenarios.
class WXDLLIMPEXP_PROPGRID wxPGDefaultRenderer : public wxPGCellRenderer
{
public:
virtual bool Render( wxDC& dc,
const wxRect& rect,
const wxPropertyGrid* propertyGrid,
wxPGProperty* property,
int column,
int item,
int flags ) const wxOVERRIDE;
virtual wxSize GetImageSize( const wxPGProperty* property,
int column,
int item ) const wxOVERRIDE;
protected:
};
class WXDLLIMPEXP_PROPGRID wxPGCellData : public wxObjectRefData
{
friend class wxPGCell;
public:
wxPGCellData();
void SetText( const wxString& text )
{
m_text = text;
m_hasValidText = true;
}
void SetBitmap( const wxBitmapBundle& bitmap ) { m_bitmapBundle = bitmap; }
void SetFgCol( const wxColour& col ) { m_fgCol = col; }
void SetBgCol( const wxColour& col ) { m_bgCol = col; }
void SetFont( const wxFont& font ) { m_font = font; }
protected:
virtual ~wxPGCellData() { }
wxString m_text;
wxBitmapBundle m_bitmapBundle;
wxColour m_fgCol;
wxColour m_bgCol;
wxFont m_font;
// True if m_text is valid and specified
bool m_hasValidText;
};
// Base class for wxPropertyGrid cell information.
class WXDLLIMPEXP_PROPGRID wxPGCell : public wxObject
{
public:
wxPGCell();
wxPGCell(const wxPGCell& other)
: wxObject(other)
{
}
wxPGCell( const wxString& text,
const wxBitmapBundle& bitmap = wxBitmapBundle(),
const wxColour& fgCol = wxNullColour,
const wxColour& bgCol = wxNullColour );
virtual ~wxPGCell() { }
wxPGCellData* GetData()
{
return (wxPGCellData*) m_refData;
}
const wxPGCellData* GetData() const
{
return (const wxPGCellData*) m_refData;
}
bool HasText() const
{
return (m_refData && GetData()->m_hasValidText);
}
// Sets empty but valid data to this cell object.
void SetEmptyData();
// Merges valid data from srcCell into this.
void MergeFrom( const wxPGCell& srcCell );
void SetText( const wxString& text );
void SetBitmap( const wxBitmapBundle& bitmap );
void SetFgCol( const wxColour& col );
// Sets font of the cell.
// Because wxPropertyGrid does not support rows of
// different height, it makes little sense to change
// size of the font. Therefore it is recommended
// to use return value of wxPropertyGrid::GetFont()
// or wxPropertyGrid::GetCaptionFont() as a basis
// for the font that, after modifications, is passed
// to this member function.
void SetFont( const wxFont& font );
void SetBgCol( const wxColour& col );
const wxString& GetText() const { return GetData()->m_text; }
const wxBitmapBundle& GetBitmap() const { return GetData()->m_bitmapBundle; }
const wxColour& GetFgCol() const { return GetData()->m_fgCol; }
// Returns font of the cell. If no specific font is set for this
// cell, then the font will be invalid.
const wxFont& GetFont() const { return GetData()->m_font; }
const wxColour& GetBgCol() const { return GetData()->m_bgCol; }
wxPGCell& operator=( const wxPGCell& other )
{
if ( this != &other )
{
Ref(other);
}
return *this;
}
// Used mostly internally to figure out if this cell is supposed
// to have default values when attached to a grid.
bool IsInvalid() const
{
return ( m_refData == NULL );
}
private:
virtual wxObjectRefData *CreateRefData() const wxOVERRIDE
{ return new wxPGCellData(); }
virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const wxOVERRIDE;
};
// -----------------------------------------------------------------------
// wxPGAttributeStorage is somewhat optimized storage for
// key=variant pairs (ie. a map).
class WXDLLIMPEXP_PROPGRID wxPGAttributeStorage
{
public:
wxPGAttributeStorage();
wxPGAttributeStorage(const wxPGAttributeStorage& other);
~wxPGAttributeStorage();
wxPGAttributeStorage& operator=(const wxPGAttributeStorage& rhs);
void Set( const wxString& name, const wxVariant& value );
unsigned int GetCount() const { return (unsigned int) m_map.size(); }
wxVariant FindValue( const wxString& name ) const
{
wxPGHashMapS2P::const_iterator it = m_map.find(name);
if ( it != m_map.end() )
{
wxVariantData* data = (wxVariantData*) it->second;
data->IncRef();
return wxVariant(data, it->first);
}
return wxVariant();
}
typedef wxPGHashMapS2P::const_iterator const_iterator;
const_iterator StartIteration() const
{
return m_map.begin();
}
bool GetNext( const_iterator& it, wxVariant& variant ) const
{
if ( it == m_map.end() )
return false;
wxVariantData* data = (wxVariantData*) it->second;
data->IncRef();
variant.SetData(data);
variant.SetName(it->first);
++it;
return true;
}
protected:
wxPGHashMapS2P m_map;
};
// -----------------------------------------------------------------------
enum wxPGPropertyFlags
{
// Indicates bold font.
wxPG_PROP_MODIFIED = 0x0001,
// Disables ('greyed' text and editor does not activate) property.
wxPG_PROP_DISABLED = 0x0002,
// Hider button will hide this property.
wxPG_PROP_HIDDEN = 0x0004,
// This property has custom paint image just in front of its value.
// If property only draws custom images into a popup list, then this
// flag should not be set.
wxPG_PROP_CUSTOMIMAGE = 0x0008,
// Do not create text based editor for this property (but button-triggered
// dialog and choice are ok).
wxPG_PROP_NOEDITOR = 0x0010,
// Property is collapsed, ie. it's children are hidden.
wxPG_PROP_COLLAPSED = 0x0020,
// If property is selected, then indicates that validation failed for pending
// value.
// If property is not selected, that indicates that the actual property
// value has failed validation (NB: this behaviour is not currently supported,
// but may be used in future).
wxPG_PROP_INVALID_VALUE = 0x0040,
// 0x0080,
// Switched via SetWasModified(). Temporary flag - only used when
// setting/changing property value.
wxPG_PROP_WAS_MODIFIED = 0x0200,
// If set, then child properties (if any) are private, and should be
// "invisible" to the application.
wxPG_PROP_AGGREGATE = 0x0400,
// If set, then child properties (if any) are copies and should not
// be deleted in dtor.
wxPG_PROP_CHILDREN_ARE_COPIES = 0x0800,
// Classifies this item as a non-category.
// Used for faster item type identification.
wxPG_PROP_PROPERTY = 0x1000,
// Classifies this item as a category.
// Used for faster item type identification.
wxPG_PROP_CATEGORY = 0x2000,
// Classifies this item as a property that has children,
//but is not aggregate (i.e. children are not private).
wxPG_PROP_MISC_PARENT = 0x4000,
// Property is read-only. Editor is still created for wxTextCtrl-based
// property editors. For others, editor is not usually created because
// they do implement wxTE_READONLY style or equivalent.
wxPG_PROP_READONLY = 0x8000,
//
// NB: FLAGS ABOVE 0x8000 CANNOT BE USED WITH PROPERTY ITERATORS
//
// Property's value is composed from values of child properties.
// This flag cannot be used with property iterators.
wxPG_PROP_COMPOSED_VALUE = 0x00010000,
// Common value of property is selectable in editor.
// This flag cannot be used with property iterators.
wxPG_PROP_USES_COMMON_VALUE = 0x00020000,
// Property can be set to unspecified value via editor.
// Currently, this applies to following properties:
// - wxIntProperty, wxUIntProperty, wxFloatProperty, wxEditEnumProperty:
// Clear the text field
// This flag cannot be used with property iterators.
// See wxPGProperty::SetAutoUnspecified().
wxPG_PROP_AUTO_UNSPECIFIED = 0x00040000,
// Indicates the bit usable by derived properties.
wxPG_PROP_CLASS_SPECIFIC_1 = 0x00080000,
// Indicates the bit usable by derived properties.
wxPG_PROP_CLASS_SPECIFIC_2 = 0x00100000,
// Indicates that the property is being deleted and should be ignored.
wxPG_PROP_BEING_DELETED = 0x00200000,
// Indicates the bit usable by derived properties.
wxPG_PROP_CLASS_SPECIFIC_3 = 0x00400000
};
// Topmost flag.
#define wxPG_PROP_MAX wxPG_PROP_AUTO_UNSPECIFIED
// Property with children must have one of these set, otherwise iterators
// will not work correctly.
// Code should automatically take care of this, however.
#define wxPG_PROP_PARENTAL_FLAGS \
((wxPGPropertyFlags)(wxPG_PROP_AGGREGATE | \
wxPG_PROP_CATEGORY | \
wxPG_PROP_MISC_PARENT))
// Combination of flags that can be stored by GetFlagsAsString
#define wxPG_STRING_STORED_FLAGS \
(wxPG_PROP_DISABLED|wxPG_PROP_HIDDEN|wxPG_PROP_NOEDITOR|wxPG_PROP_COLLAPSED)
// -----------------------------------------------------------------------
// Helpers to mark macros as deprecated
#if (defined(__clang__) || wxCHECK_GCC_VERSION(4, 5)) && !defined(WXBUILDING)
#define wxPG_STRINGIFY(X) #X
#define wxPG_DEPRECATED_MACRO_VALUE(value, msg) \
_Pragma(wxPG_STRINGIFY(GCC warning msg)) value
#else
#define wxPG_DEPRECATED_MACRO_VALUE(value, msg) value
#endif // clang || GCC
#if wxCHECK_VISUALC_VERSION(10) && !defined(WXBUILDING)
#define wxPG_MUST_DEPRECATE_MACRO_NAME
#endif
// wxPGProperty::SetAttribute() and
// wxPropertyGridInterface::SetPropertyAttribute() accept one of these as
// attribute name argument.
// You can use strings instead of constants. However, some of these
// constants are redefined to use cached strings which may reduce
// your binary size by some amount.
// Set default value for property.
#define wxPG_ATTR_DEFAULT_VALUE wxS("DefaultValue")
// Universal, int or double. Minimum value for numeric properties.
#define wxPG_ATTR_MIN wxS("Min")
// Universal, int or double. Maximum value for numeric properties.
#define wxPG_ATTR_MAX wxS("Max")
// Universal, string. When set, will be shown as text after the displayed
// text value. Alternatively, if third column is enabled, text will be shown
// there (for any type of property).
#define wxPG_ATTR_UNITS wxS("Units")
// When set, will be shown as 'greyed' text in property's value cell when
// the actual displayed value is blank.
#define wxPG_ATTR_HINT wxS("Hint")
#if wxPG_COMPATIBILITY_1_4
// Ddeprecated. Use "Hint" (wxPG_ATTR_HINT) instead.
#define wxPG_ATTR_INLINE_HELP wxS("InlineHelp")
#endif
// Universal, wxArrayString. Set to enable auto-completion in any
// wxTextCtrl-based property editor.
#define wxPG_ATTR_AUTOCOMPLETE wxS("AutoComplete")
// wxBoolProperty and wxFlagsProperty specific. Value type is bool.
// Default value is False.
// When set to True, bool property will use check box instead of a
// combo box as its editor control. If you set this attribute
// for a wxFlagsProperty, it is automatically applied to child
// bool properties.
#define wxPG_BOOL_USE_CHECKBOX wxS("UseCheckbox")
// wxBoolProperty and wxFlagsProperty specific. Value type is bool.
// Default value is False.
// Set to True for the bool property to cycle value on double click
// (instead of showing the popup listbox). If you set this attribute
// for a wxFlagsProperty, it is automatically applied to child
// bool properties.
#define wxPG_BOOL_USE_DOUBLE_CLICK_CYCLING wxS("UseDClickCycling")
// wxFloatProperty (and similar) specific, int, default -1.
// Sets the (max) precision used when floating point value is rendered as
// text. The default -1 means infinite precision.
#define wxPG_FLOAT_PRECISION wxS("Precision")
// The text will be echoed as asterisks (wxTE_PASSWORD will be passed
// to textctrl etc.).
#define wxPG_STRING_PASSWORD wxS("Password")
// Define base used by a wxUIntProperty. Valid constants are
// wxPG_BASE_OCT, wxPG_BASE_DEC, wxPG_BASE_HEX and wxPG_BASE_HEXL
// (lowercase characters).
#define wxPG_UINT_BASE wxS("Base")
// Define prefix rendered to wxUIntProperty. Accepted constants
// wxPG_PREFIX_NONE, wxPG_PREFIX_0x, and wxPG_PREFIX_DOLLAR_SIGN.
// Note:
// Only wxPG_PREFIX_NONE works with Decimal and Octal numbers.
#define wxPG_UINT_PREFIX wxS("Prefix")
// Specific to wxEditorDialogProperty and derivatives, wxString, default is empty.
// Sets a specific title for the editor dialog.
#define wxPG_DIALOG_TITLE wxS("DialogTitle")
// wxFileProperty/wxImageFileProperty specific, wxChar*, default is
// detected/varies.
// Sets the wildcard used in the triggered wxFileDialog. Format is the same.
#define wxPG_FILE_WILDCARD wxS("Wildcard")
// wxFileProperty/wxImageFileProperty specific, int, default 1.
// When 0, only the file name is shown (i.e. drive and directory are hidden).
#define wxPG_FILE_SHOW_FULL_PATH wxS("ShowFullPath")
// Specific to wxFileProperty and derived properties, wxString, default empty.
// If set, then the filename is shown relative to the given path string.
#define wxPG_FILE_SHOW_RELATIVE_PATH wxS("ShowRelativePath")
// Specific to wxFileProperty and derived properties, wxString,
// default is empty.
// Sets the initial path of where to look for files.
#define wxPG_FILE_INITIAL_PATH wxS("InitialPath")
#if WXWIN_COMPATIBILITY_3_0
#ifdef wxPG_MUST_DEPRECATE_MACRO_NAME
#pragma deprecated(wxPG_FILE_DIALOG_TITLE)
#endif
// Specific to wxFileProperty and derivatives, wxString, default is empty.
// Sets a specific title for the dir dialog.
#define wxPG_FILE_DIALOG_TITLE wxPG_DEPRECATED_MACRO_VALUE(wxS("DialogTitle"),\
"wxPG_FILE_DIALOG_TITLE is deprecated. Use wxPG_DIALOG_TITLE instead.")
#endif // WXWIN_COMPATIBILITY_3_0
// Specific to wxFileProperty and derivatives, long, default is 0.
// Sets a specific wxFileDialog style for the file dialog, e.g. ::wxFD_SAVE.
#define wxPG_FILE_DIALOG_STYLE wxS("DialogStyle")
#if WXWIN_COMPATIBILITY_3_0
#ifdef wxPG_MUST_DEPRECATE_MACRO_NAME
#pragma deprecated(wxPG_DIR_DIALOG_MESSAGE)
#endif
// Specific to wxDirProperty, wxString, default is empty.
// Sets a specific message for the dir dialog.
#define wxPG_DIR_DIALOG_MESSAGE wxPG_DEPRECATED_MACRO_VALUE(wxS("DialogMessage"),\
"wxPG_DIR_DIALOG_MESSAGE is deprecated. Use wxPG_DIALOG_TITLE instead.")
#endif // WXWIN_COMPATIBILITY_3_0
// wxArrayStringProperty's string delimiter character. If this is
// a quotation mark or hyphen, then strings will be quoted instead
// (with given character).
// Default delimiter is quotation mark.
#define wxPG_ARRAY_DELIMITER wxS("Delimiter")
// Sets displayed date format for wxDateProperty.
#define wxPG_DATE_FORMAT wxS("DateFormat")
// Sets wxDatePickerCtrl window style used with wxDateProperty. Default
// is wxDP_DEFAULT | wxDP_SHOWCENTURY. Using wxDP_ALLOWNONE will enable
// better unspecified value support in the editor
#define wxPG_DATE_PICKER_STYLE wxS("PickerStyle")
#if wxUSE_SPINBTN
// SpinCtrl editor, int or double. How much number changes when button is
// pressed (or up/down on keyboard).
#define wxPG_ATTR_SPINCTRL_STEP wxS("Step")
// SpinCtrl editor, bool. If true, value wraps at Min/Max.
#define wxPG_ATTR_SPINCTRL_WRAP wxS("Wrap")
// SpinCtrl editor, bool. If true, moving mouse when one of the spin
// buttons is depressed rapidly changing "spin" value.
#define wxPG_ATTR_SPINCTRL_MOTION wxS("MotionSpin")
#endif // wxUSE_SPINBTN
// wxMultiChoiceProperty, int.
// If 0, no user strings allowed. If 1, user strings appear before list
// strings. If 2, user strings appear after list string.
#define wxPG_ATTR_MULTICHOICE_USERSTRINGMODE wxS("UserStringMode")
// wxColourProperty and its kind, int, default 1.
// Setting this attribute to 0 hides custom colour from property's list of
// choices.
#define wxPG_COLOUR_ALLOW_CUSTOM wxS("AllowCustom")
// wxColourProperty and its kind: Set to True in order to support editing
// alpha colour component.
#define wxPG_COLOUR_HAS_ALPHA wxS("HasAlpha")
// Redefine attribute macros to use cached strings
#undef wxPG_ATTR_DEFAULT_VALUE
#define wxPG_ATTR_DEFAULT_VALUE wxPGGlobalVars->m_strDefaultValue
#undef wxPG_ATTR_MIN
#define wxPG_ATTR_MIN wxPGGlobalVars->m_strMin
#undef wxPG_ATTR_MAX
#define wxPG_ATTR_MAX wxPGGlobalVars->m_strMax
#undef wxPG_ATTR_UNITS
#define wxPG_ATTR_UNITS wxPGGlobalVars->m_strUnits
#undef wxPG_ATTR_HINT
#define wxPG_ATTR_HINT wxPGGlobalVars->m_strHint
#if wxPG_COMPATIBILITY_1_4
#undef wxPG_ATTR_INLINE_HELP
#define wxPG_ATTR_INLINE_HELP wxPGGlobalVars->m_strInlineHelp
#endif
// -----------------------------------------------------------------------
// Data of a single wxPGChoices choice.
class WXDLLIMPEXP_PROPGRID wxPGChoiceEntry : public wxPGCell
{
public:
wxPGChoiceEntry();
wxPGChoiceEntry(const wxPGChoiceEntry& other)
: wxPGCell(other)
, m_value(other.m_value)
{
}
wxPGChoiceEntry( const wxString& label,
int value = wxPG_INVALID_VALUE )
: wxPGCell()
, m_value(value)
{
SetText(label);
}
virtual ~wxPGChoiceEntry() { }
void SetValue( int value ) { m_value = value; }
int GetValue() const { return m_value; }
wxPGChoiceEntry& operator=( const wxPGChoiceEntry& other )
{
if ( this != &other )
{
Ref(other);
}
m_value = other.m_value;
return *this;
}
protected:
int m_value;
};
typedef void* wxPGChoicesId;
class WXDLLIMPEXP_PROPGRID wxPGChoicesData : public wxObjectRefData
{
friend class wxPGChoices;
public:
// Constructor sets m_refCount to 1.
wxPGChoicesData();
void CopyDataFrom( wxPGChoicesData* data );
wxPGChoiceEntry& Insert( int index, const wxPGChoiceEntry& item );
// Delete all entries
void Clear();
unsigned int GetCount() const
{
return (unsigned int) m_items.size();
}
const wxPGChoiceEntry& Item( unsigned int i ) const
{
wxASSERT_MSG( i < GetCount(), wxS("invalid index") );
return m_items[i];
}
wxPGChoiceEntry& Item( unsigned int i )
{
wxASSERT_MSG( i < GetCount(), wxS("invalid index") );
return m_items[i];
}
private:
wxVector<wxPGChoiceEntry> m_items;
protected:
virtual ~wxPGChoicesData();
};
#define wxPGChoicesEmptyData ((wxPGChoicesData*)NULL)
// Helper class for managing choices of wxPropertyGrid properties.
// Each entry can have label, value, bitmap, text colour, and background
// colour.
// wxPGChoices uses reference counting, similar to other wxWidgets classes.
// This means that assignment operator and copy constructor only copy the
// reference and not the actual data. Use Copy() member function to create
// a real copy.
// If you do not specify value for entry, index is used.
class WXDLLIMPEXP_PROPGRID wxPGChoices
{
public:
typedef long ValArrItem;
// Default constructor.
wxPGChoices()
{
Init();
}
// Copy constructor, uses reference counting. To create a real copy,
// use Copy() member function instead.
wxPGChoices( const wxPGChoices& a )
{
if ( a.m_data != wxPGChoicesEmptyData )
{
m_data = a.m_data;
m_data->IncRef();
}
else
{
Init();
}
}
// Constructor.
// count - Number of labels.
// labels - Labels themselves.
// values - Values for choices. If NULL, indexes are used.
wxPGChoices(size_t count, const wxString* labels, const long* values = NULL)
{
Init();
Add(count, labels, values);
}
// Constructor overload taking wxChar strings, provided mostly for
// compatibility.
// labels - Labels for choices, NULL-terminated.
// values - Values for choices. If NULL, indexes are used.
wxPGChoices( const wxChar* const* labels, const long* values = NULL )
{
Init();
Add(labels,values);
}
// Constructor.
// labels - Labels for choices.
// values - Values for choices. If empty, indexes are used.
wxPGChoices( const wxArrayString& labels,
const wxArrayInt& values = wxArrayInt() )
{
Init();
Add(labels,values);
}
// Simple interface constructor.
wxPGChoices( wxPGChoicesData* data )
{
wxASSERT(data);
m_data = data;
data->IncRef();
}
// Destructor.
~wxPGChoices()
{
Free();
}
// Adds to current.
// If did not have own copies, creates them now. If was empty, identical
// to set except that creates copies.
void Add(size_t count, const wxString* labels, const long* values = NULL);
// Overload taking wxChar strings, provided mostly for compatibility.
// labels - Labels for added choices, NULL-terminated.
// values - Values for added choices. If empty, relevant entry indexes are used.
void Add( const wxChar* const* labels, const ValArrItem* values = NULL );
// Version that works with wxArrayString and wxArrayInt.
void Add( const wxArrayString& arr, const wxArrayInt& arrint = wxArrayInt() );
// Adds a single choice.
// label - Label for added choice.
// value - Value for added choice. If unspecified, index is used.
wxPGChoiceEntry& Add( const wxString& label,
int value = wxPG_INVALID_VALUE );
// Adds a single item, with bitmap.
wxPGChoiceEntry& Add( const wxString& label,
const wxBitmapBundle& bitmap,
int value = wxPG_INVALID_VALUE );
// Adds a single item with full entry information.
wxPGChoiceEntry& Add( const wxPGChoiceEntry& entry )
{
return Insert(entry, -1);
}
// Adds a single item, sorted.
wxPGChoiceEntry& AddAsSorted( const wxString& label,
int value = wxPG_INVALID_VALUE );
// Assigns choices data, using reference counting. To create a real copy,
// use Copy() member function instead.
void Assign( const wxPGChoices& a )
{
AssignData(a.m_data);
}
// Assigns data from another set of choices.
void AssignData( wxPGChoicesData* data );
// Delete all choices.
void Clear();
// Returns a real copy of the choices.
wxPGChoices Copy() const
{
wxPGChoices dst;
dst.EnsureData();
dst.m_data->CopyDataFrom(m_data);
return dst;
}
void EnsureData()
{
if ( m_data == wxPGChoicesEmptyData )
m_data = new wxPGChoicesData();
}
// Gets a unsigned number identifying this list.
wxPGChoicesId GetId() const { return (wxPGChoicesId) m_data; }
// Returns label of item.
const wxString& GetLabel( unsigned int ind ) const
{
return Item(ind).GetText();
}
// Returns number of items.
unsigned int GetCount () const
{
if ( !m_data )
return 0;
return m_data->GetCount();
}
// Returns value of item.
int GetValue( unsigned int ind ) const { return Item(ind).GetValue(); }
// Returns array of values matching the given strings. Unmatching strings
// result in wxPG_INVALID_VALUE entry in array.
wxArrayInt GetValuesForStrings( const wxArrayString& strings ) const;
// Returns array of indices matching given strings. Unmatching strings
// are added to 'unmatched', if not NULL.
wxArrayInt GetIndicesForStrings( const wxArrayString& strings,
wxArrayString* unmatched = NULL ) const;
// Returns index of item with given label.
int Index( const wxString& str ) const;
// Returns index of item with given value.
int Index( int val ) const;
// Inserts a single item.
wxPGChoiceEntry& Insert( const wxString& label,
int index,
int value = wxPG_INVALID_VALUE );
// Inserts a single item with full entry information.
wxPGChoiceEntry& Insert( const wxPGChoiceEntry& entry, int index );
// Returns false if this is a constant empty set of choices,
// which should not be modified.
bool IsOk() const
{
return ( m_data != wxPGChoicesEmptyData );
}
const wxPGChoiceEntry& Item( unsigned int i ) const
{
wxASSERT( IsOk() );
return m_data->Item(i);
}
// Returns item at given index.
wxPGChoiceEntry& Item( unsigned int i )
{
wxASSERT( IsOk() );
return m_data->Item(i);
}
// Removes count items starting at position nIndex.
void RemoveAt(size_t nIndex, size_t count = 1);
// Sets contents from lists of strings and values.
// Does not create copies for itself.
// TODO: Deprecate.
void Set(size_t count, const wxString* labels, const long* values = NULL)
{
Free();
Add(count, labels, values);
}
void Set( const wxChar* const* labels, const long* values = NULL )
{
Free();
Add(labels,values);
}
// Sets contents from lists of strings and values.
// Version that works with wxArrayString and wxArrayInt.
void Set( const wxArrayString& labels,
const wxArrayInt& values = wxArrayInt() )
{
Free();
Add(labels,values);
}
// Creates exclusive copy of current choices
void AllocExclusive();
// Returns data, increases refcount.
wxPGChoicesData* GetData()
{
wxASSERT( m_data->GetRefCount() != -1 );
m_data->IncRef();
return m_data;
}
// Returns plain data ptr - no refcounting stuff is done.
wxPGChoicesData* GetDataPtr() const { return m_data; }
// Changes ownership of data to you.
wxPGChoicesData* ExtractData()
{
wxPGChoicesData* data = m_data;
m_data = wxPGChoicesEmptyData;
return data;
}
// Returns array of choice labels.
wxArrayString GetLabels() const;
void operator= (const wxPGChoices& a)
{
if (this != &a)
AssignData(a.m_data);
}
wxPGChoiceEntry& operator[](unsigned int i)
{
return Item(i);
}
const wxPGChoiceEntry& operator[](unsigned int i) const
{
return Item(i);
}
protected:
wxPGChoicesData* m_data;
void Init();
void Free();
};
// -----------------------------------------------------------------------
// wxPGProperty is base class for all wxPropertyGrid properties.
class WXDLLIMPEXP_PROPGRID wxPGProperty : public wxObject
{
friend class wxPropertyGrid;
friend class wxPropertyGridInterface;
friend class wxPropertyGridPageState;
friend class wxPropertyGridPopulator;
wxDECLARE_ABSTRACT_CLASS(wxPGProperty);
public:
typedef wxUint32 FlagType;
// Virtual destructor.
// It is customary for derived properties to implement this.
virtual ~wxPGProperty();
// This virtual function is called after m_value has been set.
// Remarks:
// - If m_value was set to Null variant (i.e. unspecified value),
// OnSetValue() will not be called.
// - m_value may be of any variant type. Typically properties internally
// support only one variant type, and as such OnSetValue() provides a
// good opportunity to convert
// supported values into internal type.
// - Default implementation does nothing.
virtual void OnSetValue();
// Override this to return something else than m_value as the value.
virtual wxVariant DoGetValue() const { return m_value; }
// Implement this function in derived class to check the value.
// Return true if it is ok. Returning false prevents property change
// events from occurring.
// Remark: Default implementation always returns true.
virtual bool ValidateValue( wxVariant& value,
wxPGValidationInfo& validationInfo ) const;
// Converts text into wxVariant value appropriate for this property.
// Parameters:
// variant - On function entry this is the old value (should not be
// wxNullVariant in normal cases). Translated value must be assigned
// back to it.
// text - Text to be translated into variant.
// argFlags - If wxPG_FULL_VALUE is set, returns complete, storable value instead
// of displayable one (they may be different).
// If wxPG_COMPOSITE_FRAGMENT is set, text is interpreted as a part of
// composite property string value (as generated by ValueToString()
// called with this same flag).
// Returns true if resulting wxVariant value was different.
// Default implementation converts semicolon delimited tokens into
// child values. Only works for properties with children.
// You might want to take into account that m_value is Null variant
// if property value is unspecified (which is usually only case if
// you explicitly enabled that sort behaviour).
virtual bool StringToValue( wxVariant& variant,
const wxString& text,
int argFlags = 0 ) const;
// Converts integer (possibly a choice selection) into wxVariant value
// appropriate for this property.
// Parameters:
// variant - On function entry this is the old value (should not be wxNullVariant
// in normal cases). Translated value must be assigned back to it.
// number - Integer to be translated into variant.
// argFlags - If wxPG_FULL_VALUE is set, returns complete, storable value
// instead of displayable one.
// Returns true if resulting wxVariant value was different.
// Remarks
// - If property is not supposed to use choice or spinctrl or other editor
// with int-based value, it is not necessary to implement this method.
// - Default implementation simply assign given int to m_value.
// - If property uses choice control, and displays a dialog on some choice
// items, then it is preferred to display that dialog in IntToValue
// instead of OnEvent.
// - You might want to take into account that m_value is Null variant
// if property value is unspecified (which is usually only case if
// you explicitly enabled that sort behaviour).
virtual bool IntToValue( wxVariant& value,
int number,
int argFlags = 0 ) const;
// Converts property value into a text representation.
// Parameters:
// value - Value to be converted.
// argFlags - If 0 (default value), then displayed string is returned.
// If wxPG_FULL_VALUE is set, returns complete, storable string value
// instead of displayable. If wxPG_EDITABLE_VALUE is set, returns
// string value that must be editable in textctrl. If
// wxPG_COMPOSITE_FRAGMENT is set, returns text that is appropriate to
// display as a part of string property's composite text
// representation.
// Default implementation calls GenerateComposedValue().
virtual wxString ValueToString( wxVariant& value, int argFlags = 0 ) const;
// Converts string to a value, and if successful, calls SetValue() on it.
// Default behaviour is to do nothing.
// Returns true if value was changed.
bool SetValueFromString( const wxString& text, int flags = wxPG_PROGRAMMATIC_VALUE );
// Converts integer to a value, and if successful, calls SetValue() on it.
// Default behaviour is to do nothing.
// Parameters:
// value - Int to get the value from.
// flags - If has wxPG_FULL_VALUE, then the value given is a actual value
// and not an index.
// Returns true if value was changed.
bool SetValueFromInt( long value, int flags = 0 );
// Returns size of the custom painted image in front of property.
// This method must be overridden to return non-default value if
// OnCustomPaint is to be called.
// item - Normally -1, but can be an index to the property's list of items.
// Remarks:
// - Default behaviour is to return wxSize(0,0), which means no image.
// - Default image width or height is indicated with dimension -1.
// - You can also return wxPG_DEFAULT_IMAGE_SIZE, i.e. wxDefaultSize.
virtual wxSize OnMeasureImage( int item = -1 ) const;
// Events received by editor widgets are processed here.
// Note that editor class usually processes most events. Some, such as
// button press events of TextCtrlAndButton class, can be handled here.
// Also, if custom handling for regular events is desired, then that can
// also be done (for example, wxSystemColourProperty custom handles
// wxEVT_CHOICE to display colour picker dialog when
// 'custom' selection is made).
// If the event causes value to be changed, SetValueInEvent()
// should be called to set the new value.
// event - Associated wxEvent.
// Should return true if any changes in value should be reported.
// If property uses choice control, and displays a dialog on some choice
// items, then it is preferred to display that dialog in IntToValue
// instead of OnEvent.
virtual bool OnEvent( wxPropertyGrid* propgrid,
wxWindow* wnd_primary,
wxEvent& event );
// Called after value of a child property has been altered. Must return
// new value of the whole property (after any alterations warranted by
// child's new value).
// Note that this function is usually called at the time that value of
// this property, or given child property, is still pending for change,
// and as such, result of GetValue() or m_value should not be relied
// on.
// Parameters:
// thisValue - Value of this property. Changed value should be returned
// (in previous versions of wxPropertyGrid it was only necessary to
// write value back to this argument).
// childIndex - Index of child changed (you can use Item(childIndex)
// to get child property).
// childValue - (Pending) value of the child property.
// Returns modified value of the whole property.
virtual wxVariant ChildChanged( wxVariant& thisValue,
int childIndex,
wxVariant& childValue ) const;
// Returns pointer to an instance of used editor.
virtual const wxPGEditor* DoGetEditorClass() const;
// Returns pointer to the wxValidator that should be used
// with the editor of this property (NULL for no validator).
// Setting validator explicitly via SetPropertyValidator
// will override this.
// You can get common filename validator by returning
// wxFileProperty::GetClassValidator(). wxDirProperty,
// for example, uses it.
virtual wxValidator* DoGetValidator () const;
// Override to paint an image in front of the property value text or
// drop-down list item (but only if wxPGProperty::OnMeasureImage is
// overridden as well).
// If property's OnMeasureImage() returns size that has height != 0 but
// less than row height ( < 0 has special meanings), wxPropertyGrid calls
// this method to draw a custom image in a limited area in front of the
// editor control or value text/graphics, and if control has drop-down
// list, then the image is drawn there as well (even in the case
// OnMeasureImage() returned higher height than row height).
// NOTE: Following applies when OnMeasureImage() returns a "flexible"
// height ( using wxPG_FLEXIBLE_SIZE(W,H) macro), which implies variable
// height items: If rect.x is < 0, then this is a measure item call, which
// means that dc is invalid and only thing that should be done is to set
// paintdata.m_drawnHeight to the height of the image of item at index
// paintdata.m_choiceItem. This call may be done even as often as once
// every drop-down popup show.
// Parameters:
// dc - wxDC to paint on.
// rect - Box reserved for custom graphics. Includes surrounding rectangle,
// if any. If x is < 0, then this is a measure item call (see above).
// paintdata - wxPGPaintData structure with much useful data.
// Remarks:
// - You can actually exceed rect width, but if you do so then
// paintdata.m_drawnWidth must be set to the full width drawn in
// pixels.
// - Due to technical reasons, rect's height will be default even if
// custom height was reported during measure call.
// - Brush is guaranteed to be default background colour. It has been
// already used to clear the background of area being painted. It
// can be modified.
// - Pen is guaranteed to be 1-wide 'black' (or whatever is the proper
// colour) pen for drawing framing rectangle. It can be changed as
// well.
// See ValueToString()
virtual void OnCustomPaint( wxDC& dc,
const wxRect& rect,
wxPGPaintData& paintdata );
// Returns used wxPGCellRenderer instance for given property column
// (label=0, value=1).
// Default implementation returns editor's renderer for all columns.
virtual wxPGCellRenderer* GetCellRenderer( int column ) const;
// Returns which choice is currently selected. Only applies to properties
// which have choices.
// Needs to be reimplemented in derived class if property value does not
// map directly to a choice. Integer as index, bool, and string usually do.
virtual int GetChoiceSelection() const;
// Refresh values of child properties.
// Automatically called after value is set.
virtual void RefreshChildren();
// Reimplement this member function to add special handling for
// attributes of this property.
// Return false to have the attribute automatically stored in
// m_attributes. Default implementation simply does that and
// nothing else.
// To actually set property attribute values from the
// application, use wxPGProperty::SetAttribute() instead.
virtual bool DoSetAttribute( const wxString& name, wxVariant& value );
// Returns value of an attribute.
// Override if custom handling of attributes is needed.
// Default implementation simply return NULL variant.
virtual wxVariant DoGetAttribute( const wxString& name ) const;
// Returns instance of a new wxPGEditorDialogAdapter instance, which is
// used when user presses the (optional) button next to the editor control;
// Default implementation returns NULL (ie. no action is generated when
// button is pressed).
virtual wxPGEditorDialogAdapter* GetEditorDialog() const;
// Called whenever validation has failed with given pending value.
// If you implement this in your custom property class, please
// remember to call the baser implementation as well, since they
// may use it to revert property into pre-change state.
virtual void OnValidationFailure( wxVariant& pendingValue );
// Append a new choice to property's list of choices.
int AddChoice( const wxString& label, int value = wxPG_INVALID_VALUE )
{
return InsertChoice(label, wxNOT_FOUND, value);
}
// Returns true if children of this property are component values (for
// instance, points size, face name, and is_underlined are component
// values of a font).
bool AreChildrenComponents() const
{
return (m_flags & (wxPG_PROP_COMPOSED_VALUE|wxPG_PROP_AGGREGATE)) != 0;
}
// Deletes children of the property.
void DeleteChildren();
// Removes entry from property's wxPGChoices and editor control (if it is
// active).
// If selected item is deleted, then the value is set to unspecified.
void DeleteChoice( int index );
// Enables or disables the property. Disabled property usually appears
// as having grey text.
// See wxPropertyGridInterface::EnableProperty()
void Enable( bool enable = true );
// Call to enable or disable usage of common value (integer value that can
// be selected for properties instead of their normal values) for this
// property.
// Common values are disabled by the default for all properties.
void EnableCommonValue( bool enable = true )
{
ChangeFlag(wxPG_PROP_USES_COMMON_VALUE, enable);
}
// Composes text from values of child properties.
wxString GenerateComposedValue() const
{
wxString s;
DoGenerateComposedValue(s);
return s;
}
// Returns property's label.
const wxString& GetLabel() const { return m_label; }
// Returns property's name with all (non-category, non-root) parents.
wxString GetName() const;
// Returns property's base name (i.e. parent's name is not added
// in any case).
const wxString& GetBaseName() const { return m_name; }
// Returns read-only reference to property's list of choices.
const wxPGChoices& GetChoices() const
{
return m_choices;
}
// Returns coordinate to the top y of the property. Note that the
// position of scrollbars is not taken into account.
int GetY() const;
// Returns property's value.
wxVariant GetValue() const
{
return DoGetValue();
}
// Returns reference to the internal stored value. GetValue is preferred
// way to get the actual value, since GetValueRef ignores DoGetValue,
// which may override stored value.
wxVariant& GetValueRef()
{
return m_value;
}
const wxVariant& GetValueRef() const
{
return m_value;
}
// Helper function (for wxPython bindings and such) for settings protected
// m_value.
wxVariant GetValuePlain() const
{
return m_value;
}
// Returns text representation of property's value.
// argFlags - If 0 (default value), then displayed string is returned.
// If wxPG_FULL_VALUE is set, returns complete, storable string value
// instead of displayable. If wxPG_EDITABLE_VALUE is set, returns
// string value that must be editable in textctrl. If
// wxPG_COMPOSITE_FRAGMENT is set, returns text that is appropriate to
// display as a part of string property's composite text
// representation.
// In older versions, this function used to be overridden to convert
// property's value into a string representation. This function is
// now handled by ValueToString(), and overriding this function now
// will result in run-time assertion failure.
virtual wxString GetValueAsString( int argFlags = 0 ) const;
#if wxPG_COMPATIBILITY_1_4
// Synonymous to GetValueAsString().
wxDEPRECATED( wxString GetValueString( int argFlags = 0 ) const );
#endif
// Returns wxPGCell of given column.
// Const version of this member function returns 'default'
// wxPGCell object if the property itself didn't hold
// cell data.
const wxPGCell& GetCell( unsigned int column ) const;
// Returns wxPGCell of given column, creating one if necessary.
wxPGCell& GetCell( unsigned int column )
{
return GetOrCreateCell(column);
}
// Returns wxPGCell of given column, creating one if necessary.
wxPGCell& GetOrCreateCell( unsigned int column );
// Return number of displayed common values for this property.
int GetDisplayedCommonValueCount() const;
// Returns property's displayed text.
wxString GetDisplayedString() const
{
return GetValueAsString(0);
}
// Returns property's hint text (shown in empty value cell).
wxString GetHintText() const;
// Returns property grid where property lies.
wxPropertyGrid* GetGrid() const;
// Returns owner wxPropertyGrid, but only if one is currently
// on a page displaying this property.
wxPropertyGrid* GetGridIfDisplayed() const;
// Returns highest level non-category, non-root parent. Useful when you
// have nested properties with children.
// Thus, if immediate parent is root or category, this will return the
// property itself.
wxPGProperty* GetMainParent() const;
// Return parent of property.
wxPGProperty* GetParent() const { return m_parent; }
// Returns true if property has editable wxTextCtrl when selected.
// Although disabled properties do not displayed editor, they still
// Returns true here as being disabled is considered a temporary
// condition (unlike being read-only or having limited editing enabled).
bool IsTextEditable() const;
// Returns true if property's value is considered unspecified.
// This usually means that value is Null variant.
bool IsValueUnspecified() const
{
return m_value.IsNull();
}
#if WXWIN_COMPATIBILITY_3_0
// Returns non-zero if property has given flag set.
FlagType HasFlag( wxPGPropertyFlags flag ) const
{
return ( m_flags & flag );
}
#else
// Returns true if property has given flag set.
bool HasFlag(wxPGPropertyFlags flag) const
{
return (m_flags & flag) != 0;
}
#endif
// Returns true if property has given flag set.
bool HasFlag(FlagType flag) const
{
return (m_flags & flag) != 0;
}
// Returns true if property has all given flags set.
bool HasFlagsExact(FlagType flags) const
{
return (m_flags & flags) == flags;
}
// Returns comma-delimited string of property attributes.
const wxPGAttributeStorage& GetAttributes() const
{
return m_attributes;
}
// Returns m_attributes as list wxVariant.
wxVariant GetAttributesAsList() const;
#if WXWIN_COMPATIBILITY_3_0
// Returns property flags.
wxDEPRECATED_MSG("Use HasFlag or HasFlagsExact functions instead.")
FlagType GetFlags() const
{
return m_flags;
}
#endif
// Returns wxPGEditor that will be used and created when
// property becomes selected. Returns more accurate value
// than DoGetEditorClass().
const wxPGEditor* GetEditorClass() const;
// Returns value type used by this property.
wxString GetValueType() const
{
return m_value.GetType();
}
// Returns editor used for given column. NULL for no editor.
const wxPGEditor* GetColumnEditor( int column ) const
{
return column == 1 ? GetEditorClass() : NULL;
}
// Returns common value selected for this property. -1 for none.
int GetCommonValue() const
{
return m_commonValue;
}
// Returns true if property has even one visible child.
bool HasVisibleChildren() const;
// Use this member function to add independent (i.e. regular) children to
// a property.
// Returns inserted childProperty.
// wxPropertyGrid is not automatically refreshed by this function.
wxPGProperty* InsertChild( int index, wxPGProperty* childProperty );
// Inserts a new choice to property's list of choices.
int InsertChoice( const wxString& label, int index, int value = wxPG_INVALID_VALUE );
// Returns true if this property is actually a wxPropertyCategory.
bool IsCategory() const { return (m_flags & wxPG_PROP_CATEGORY) != 0; }
// Returns true if this property is actually a wxRootProperty.
bool IsRoot() const { return (m_parent == NULL); }
// Returns true if this is a sub-property.
bool IsSubProperty() const
{
wxPGProperty* parent = m_parent;
if ( parent && !parent->IsCategory() )
return true;
return false;
}
// Returns last visible sub-property, recursively.
const wxPGProperty* GetLastVisibleSubItem() const;
// Returns property's default value. If property's value type is not
// a built-in one, and "DefaultValue" attribute is not defined, then
// this function usually returns Null variant.
wxVariant GetDefaultValue() const;
// Returns maximum allowed length of the text the user can enter in
// the property text editor.
int GetMaxLength() const
{
return m_maxLen;
}
// Determines, recursively, if all children are not unspecified.
// pendingList - Assumes members in this wxVariant list as pending
// replacement values.
bool AreAllChildrenSpecified( const wxVariant* pendingList = NULL ) const;
// Updates composed values of parent non-category properties, recursively.
// Returns topmost property updated.
// Must not call SetValue() (as can be called in it).
wxPGProperty* UpdateParentValues();
// Returns true if containing grid uses wxPG_EX_AUTO_UNSPECIFIED_VALUES.
bool UsesAutoUnspecified() const
{
return (m_flags & wxPG_PROP_AUTO_UNSPECIFIED) != 0;
}
// Returns bitmap that appears next to value text. Only returns non-@NULL
// bitmap if one was set with SetValueImage().
wxBitmap* GetValueImage() const;
// Returns property attribute value, null variant if not found.
wxVariant GetAttribute( const wxString& name ) const;
// Returns named attribute, as string, if found.
// Otherwise defVal is returned.
wxString GetAttribute( const wxString& name, const wxString& defVal ) const;
// Returns named attribute, as long, if found.
// Otherwise defVal is returned.
long GetAttributeAsLong( const wxString& name, long defVal ) const;
// Returns named attribute, as double, if found.
// Otherwise defVal is returned.
double GetAttributeAsDouble( const wxString& name, double defVal ) const;
unsigned int GetDepth() const { return (unsigned int)m_depth; }
// Gets flags as a'|' delimited string. Note that flag names are not
// prepended with 'wxPG_PROP_'.
// flagmask - String will only be made to include flags combined by this parameter.
wxString GetFlagsAsString( FlagType flagsMask ) const;
// Returns position in parent's array.
unsigned int GetIndexInParent() const
{
return m_arrIndex;
}
// Hides or reveals the property.
// hide - true for hide, false for reveal.
// flags - By default changes are applied recursively. Set this
// parameter to wxPG_DONT_RECURSE to prevent this.
bool Hide( bool hide, int flags = wxPG_RECURSE );
// Returns true if property has visible children.
bool IsExpanded() const
{ return (!(m_flags & wxPG_PROP_COLLAPSED) && GetChildCount()); }
// Returns true if all parents expanded.
bool IsVisible() const;
// Returns true if property is enabled.
bool IsEnabled() const { return !(m_flags & wxPG_PROP_DISABLED); }
// If property's editor is created this forces its recreation.
// Useful in SetAttribute etc. Returns true if actually did anything.
bool RecreateEditor();
// If property's editor is active, then update it's value.
void RefreshEditor();
// Sets an attribute for this property.
// name - Text identifier of attribute. See @ref propgrid_property_attributes.
// value - Value of attribute.
// Setting attribute's value to Null variant will simply remove it
// from property's set of attributes.
void SetAttribute( const wxString& name, wxVariant value );
void SetAttributes( const wxPGAttributeStorage& attributes );
// Set if user can change the property's value to unspecified by
// modifying the value of the editor control (usually by clearing
// it). Currently, this can work with following properties:
// wxIntProperty, wxUIntProperty, wxFloatProperty, wxEditEnumProperty.
// enable - Whether to enable or disable this behaviour (it is disabled
// by default).
void SetAutoUnspecified( bool enable = true )
{
ChangeFlag(wxPG_PROP_AUTO_UNSPECIFIED, enable);
}
// Sets property's background colour.
// colour - Background colour to use.
// flags - Default is wxPG_RECURSE which causes colour to be set recursively.
// Omit this flag to only set colour for the property in question
// and not any of its children.
void SetBackgroundColour( const wxColour& colour,
int flags = wxPG_RECURSE );
// Sets property's text colour.
// colour - Text colour to use.
// flags - Default is wxPG_RECURSE which causes colour to be set recursively.
// Omit this flag to only set colour for the property in question
// and not any of its children.
void SetTextColour( const wxColour& colour,
int flags = wxPG_RECURSE );
// Sets property's default text and background colours.
// flags - Default is wxPG_RECURSE which causes colours to be set recursively.
// Omit this flag to only set colours for the property in question
// and not any of its children.
void SetDefaultColours(int flags = wxPG_RECURSE);
// Set default value of a property. Synonymous to
// SetAttribute("DefaultValue", value);
void SetDefaultValue( wxVariant& value );
// Sets editor for a property.
// editor - For builtin editors, use wxPGEditor_X, where X is builtin editor's
// name (TextCtrl, Choice, etc. see wxPGEditor documentation for full
// list).
// For custom editors, use pointer you received from
// wxPropertyGrid::RegisterEditorClass().
void SetEditor( const wxPGEditor* editor )
{
m_customEditor = editor;
}
// Sets editor for a property, , by editor name.
void SetEditor( const wxString& editorName );
// Sets cell information for given column.
void SetCell( int column, const wxPGCell& cell );
// Sets common value selected for this property. -1 for none.
void SetCommonValue( int commonValue )
{
m_commonValue = commonValue;
}
// Sets flags from a '|' delimited string. Note that flag names are not
// prepended with 'wxPG_PROP_'.
void SetFlagsFromString( const wxString& str );
// Sets property's "is it modified?" flag. Affects children recursively.
void SetModifiedStatus( bool modified )
{
SetFlagRecursively(wxPG_PROP_MODIFIED, modified);
}
// Call in OnEvent(), OnButtonClick() etc. to change the property value
// based on user input.
// This method is const since it doesn't actually modify value, but posts
// given variant as pending value, stored in wxPropertyGrid.
void SetValueInEvent( const wxVariant& value ) const;
// Call this to set value of the property.
// Unlike methods in wxPropertyGrid, this does not automatically update
// the display.
// Use wxPropertyGrid::ChangePropertyValue() instead if you need to run
// through validation process and send property change event.
// If you need to change property value in event, based on user input, use
// SetValueInEvent() instead.
// pList - Pointer to list variant that contains child values. Used to
// indicate which children should be marked as modified.
// flags - Various flags (for instance, wxPG_SETVAL_REFRESH_EDITOR, which
// is enabled by default).
void SetValue( wxVariant value, wxVariant* pList = NULL,
int flags = wxPG_SETVAL_REFRESH_EDITOR );
// Set wxBitmap in front of the value. This bitmap may be ignored
// by custom cell renderers.
void SetValueImage( const wxBitmapBundle& bmp );
// Sets selected choice and changes property value.
// Tries to retain value type, although currently if it is not string,
// then it is forced to integer.
void SetChoiceSelection( int newValue );
void SetExpanded( bool expanded )
{
ChangeFlag(wxPG_PROP_COLLAPSED, !expanded);
}
// Sets or clears given property flag. Mainly for internal use.
// Setting a property flag never has any side-effect, and is
// intended almost exclusively for internal use. So, for
// example, if you want to disable a property, call
// Enable(false) instead of setting wxPG_PROP_DISABLED flag.
void ChangeFlag( wxPGPropertyFlags flag, bool set )
{
if ( set )
m_flags |= flag;
else
m_flags &= ~flag;
}
// Sets or clears given property flag, recursively. This function is
// primarily intended for internal use.
void SetFlagRecursively( wxPGPropertyFlags flag, bool set );
// Sets property's help string, which is shown, for example, in
// wxPropertyGridManager's description text box.
void SetHelpString( const wxString& helpString )
{
m_helpString = helpString;
}
// Sets property's label.
// Properties under same parent may have same labels. However,
// property names must still remain unique.
void SetLabel( const wxString& label );
// Sets new (base) name for property.
void SetName( const wxString& newName );
// Changes what sort of parent this property is for its children.
// flag - Use one of the following values: wxPG_PROP_MISC_PARENT (for
// generic parents), wxPG_PROP_CATEGORY (for categories), or
// wxPG_PROP_AGGREGATE (for derived property classes with private
// children).
// You generally do not need to call this function.
void SetParentalType( int flag )
{
m_flags &= ~(wxPG_PROP_PROPERTY|wxPG_PROP_PARENTAL_FLAGS);
m_flags |= flag;
}
// Sets property's value to unspecified (i.e. Null variant).
void SetValueToUnspecified()
{
wxVariant val; // Create NULL variant
SetValue(val, NULL, wxPG_SETVAL_REFRESH_EDITOR);
}
// Helper function (for wxPython bindings and such) for settings protected
// m_value.
void SetValuePlain( const wxVariant& value )
{
m_value = value;
}
#if wxUSE_VALIDATORS
// Sets wxValidator for a property.
void SetValidator( const wxValidator& validator )
{
m_validator = wxDynamicCast(validator.Clone(),wxValidator);
}
// Gets assignable version of property's validator.
wxValidator* GetValidator() const
{
return m_validator ? m_validator : DoGetValidator();
}
#endif // wxUSE_VALIDATORS
// Returns client data (void*) of a property.
void* GetClientData() const
{
return m_clientData;
}
// Sets client data (void*) of a property.
// This untyped client data has to be deleted manually.
void SetClientData( void* clientData )
{
m_clientData = clientData;
}
// Sets client object of a property.
void SetClientObject(wxClientData* clientObject)
{
delete m_clientObject;
m_clientObject = clientObject;
}
// Gets managed client object of a property.
wxClientData *GetClientObject() const { return m_clientObject; }
// Sets new set of choices for the property.
// This operation deselects the property and clears its
// value.
bool SetChoices( const wxPGChoices& choices );
// Set max length of text in text editor.
bool SetMaxLength( int maxLen );
// Call with 'false' in OnSetValue to cancel value changes after all
// (i.e. cancel 'true' returned by StringToValue() or IntToValue()).
void SetWasModified( bool set = true )
{
ChangeFlag(wxPG_PROP_WAS_MODIFIED, set);
}
// Returns property's help or description text.
const wxString& GetHelpString() const
{
return m_helpString;
}
// Returns true if candidateParent is some parent of this property.
// Use, for example, to detect if item is inside collapsed section.
bool IsSomeParent( wxPGProperty* candidate_parent ) const;
// Adapts list variant into proper value using consecutive
// ChildChanged-calls.
void AdaptListToValue( wxVariant& list, wxVariant* value ) const;
#if wxPG_COMPATIBILITY_1_4
// Adds a private child property.
// Use AddPrivateChild() instead.
wxDEPRECATED( void AddChild( wxPGProperty* prop ) );
#endif
// Adds a private child property. If you use this instead of
// wxPropertyGridInterface::Insert() or
// wxPropertyGridInterface::AppendIn(), then property's parental
// type will automatically be set up to wxPG_PROP_AGGREGATE. In other
// words, all properties of this property will become private.
void AddPrivateChild( wxPGProperty* prop );
// Use this member function to add independent (i.e. regular) children to
// a property.
// wxPropertyGrid is not automatically refreshed by this function.
wxPGProperty* AppendChild( wxPGProperty* prop )
{
return InsertChild(-1, prop);
}
// Returns height of children, recursively, and
// by taking expanded/collapsed status into account.
// lh - Line height. Pass result of GetGrid()->GetRowHeight() here.
// iMax - Only used (internally) when finding property y-positions.
int GetChildrenHeight( int lh, int iMax = -1 ) const;
// Returns number of child properties.
unsigned int GetChildCount() const
{
return (unsigned int) m_children.size();
}
// Returns sub-property at index i.
wxPGProperty* Item( unsigned int i ) const
{ return m_children[i]; }
// Returns last sub-property.
wxPGProperty* Last() const { return m_children.back(); }
// Returns index of given child property. wxNOT_FOUND if
// given property is not child of this.
int Index( const wxPGProperty* p ) const;
// Puts correct indexes to children
void FixIndicesOfChildren( unsigned int starthere = 0 );
// Converts image width into full image offset, with margins.
int GetImageOffset( int imageWidth ) const;
// Returns wxPropertyGridPageState in which this property resides.
wxPropertyGridPageState* GetParentState() const { return m_parentState; }
wxPGProperty* GetItemAtY( unsigned int y,
unsigned int lh,
unsigned int* nextItemY ) const;
// Returns property at given virtual y coordinate.
wxPGProperty* GetItemAtY( unsigned int y ) const;
// Returns (direct) child property with given name (or NULL if not found).
wxPGProperty* GetPropertyByName( const wxString& name ) const;
// Returns various display-related information for given column
#if WXWIN_COMPATIBILITY_3_0
wxDEPRECATED_MSG("don't use GetDisplayInfo function with argument of 'const wxPGCell**' type. Use 'wxPGCell*' argument instead")
void GetDisplayInfo( unsigned int column,
int choiceIndex,
int flags,
wxString* pString,
const wxPGCell** pCell );
#endif // WXWIN_COMPATIBILITY_3_0
// This function can return modified (customized) cell object.
void GetDisplayInfo( unsigned int column,
int choiceIndex,
int flags,
wxString* pString,
wxPGCell* pCell );
static wxString* sm_wxPG_LABEL;
// This member is public so scripting language bindings
// wrapper code can access it freely.
void* m_clientData;
protected:
// Ctors are ptotected because wxPGProperty is only a base class
// for all property classes and shouldn't be instantiated directly.
wxPGProperty();
// All non-abstract property classes should have a constructor with
// the same first two arguments as this one.
wxPGProperty(const wxString& label, const wxString& name);
// Sets property cell in fashion that reduces number of exclusive
// copies of cell data. Used when setting, for instance, same
// background colour for a number of properties.
// firstCol - First column to affect.
// lastCol- Last column to affect.
// preparedCell - Pre-prepared cell that is used for those which cell data
// before this matched unmodCellData.
// srcData - If unmodCellData did not match, valid cell data from this
// is merged into cell (usually generating new exclusive copy
// of cell's data).
// unmodCellData - If cell's cell data matches this, its cell is now set to
// preparedCell.
// ignoreWithFlags - Properties with any one of these flags are skipped.
// recursively - If true, apply this operation recursively in child properties.
void AdaptiveSetCell( unsigned int firstCol,
unsigned int lastCol,
const wxPGCell& preparedCell,
const wxPGCell& srcData,
wxPGCellData* unmodCellData,
FlagType ignoreWithFlags,
bool recursively );
// Clear cells associated with property.
// recursively - If true, apply this operation recursively in child properties.
void ClearCells(FlagType ignoreWithFlags, bool recursively);
// Makes sure m_cells has size of column+1 (or more).
void EnsureCells( unsigned int column );
// Returns (direct) child property with given name (or NULL if not found),
// with hint index.
// hintIndex - Start looking for the child at this index.
// Does not support scope (i.e. Parent.Child notation).
wxPGProperty* GetPropertyByNameWH( const wxString& name,
unsigned int hintIndex ) const;
// This is used by Insert etc.
void DoAddChild( wxPGProperty* prop,
int index = -1,
bool correct_mode = true );
void DoGenerateComposedValue( wxString& text,
int argFlags = wxPG_VALUE_IS_CURRENT,
const wxVariantList* valueOverrides = NULL,
wxPGHashMapS2S* childResults = NULL ) const;
bool DoHide( bool hide, int flags );
void DoSetName(const wxString& str) { m_name = str; }
// Deletes all sub-properties.
void Empty();
bool HasCell( unsigned int column ) const
{
return m_cells.size() > column;
}
void InitAfterAdded( wxPropertyGridPageState* pageState,
wxPropertyGrid* propgrid );
// Returns true if child property is selected.
bool IsChildSelected( bool recursive = false ) const;
// Removes child property with given pointer. Does not delete it.
void RemoveChild( wxPGProperty* p );
// Removes child property at given index. Does not delete it.
void RemoveChild(unsigned int index);
// Sorts children using specified comparison function.
void SortChildren(int (*fCmp)(wxPGProperty**, wxPGProperty**));
void DoEnable( bool enable );
void DoPreAddChild( int index, wxPGProperty* prop );
void SetParentState( wxPropertyGridPageState* pstate )
{ m_parentState = pstate; }
void SetFlag( wxPGPropertyFlags flag )
{
//
// NB: While using wxPGPropertyFlags here makes it difficult to
// combine different flags, it usefully prevents user from
// using incorrect flags (say, wxWindow styles).
m_flags |= flag;
}
void ClearFlag( FlagType flag ) { m_flags &= ~(flag); }
// Called when the property is being removed from the grid and/or
// page state (but *not* when it is also deleted).
void OnDetached(wxPropertyGridPageState* state,
wxPropertyGrid* propgrid);
// Call after fixed sub-properties added/removed after creation.
// if oldSelInd >= 0 and < new max items, then selection is
// moved to it.
void SubPropsChanged( int oldSelInd = -1 );
int GetY2( int lh ) const;
wxString m_label;
wxString m_name;
wxPGProperty* m_parent;
wxPropertyGridPageState* m_parentState;
wxClientData* m_clientObject;
// Overrides editor returned by property class
const wxPGEditor* m_customEditor;
#if wxUSE_VALIDATORS
// Editor is going to get this validator
wxValidator* m_validator;
#endif
// Show this in front of the value
//
// TODO: Can bitmap be implemented with wxPGCell?
wxBitmapBundle m_valueBitmapBundle;
mutable wxBitmap m_valueBitmap;
wxVariant m_value;
wxPGAttributeStorage m_attributes;
wxVector<wxPGProperty*> m_children;
// Extended cell information
wxVector<wxPGCell> m_cells;
// Choices shown in drop-down list of editor control.
wxPGChoices m_choices;
// Help shown in statusbar or help box.
wxString m_helpString;
// Index in parent's property array.
unsigned int m_arrIndex;
// If not -1, then overrides m_value
int m_commonValue;
FlagType m_flags;
// Maximum length (for string properties). Could be in some sort of
// wxBaseStringProperty, but currently, for maximum flexibility and
// compatibility, we'll stick it here.
int m_maxLen;
// Root has 0, categories etc. at that level 1, etc.
unsigned char m_depth;
// m_depthBgCol indicates width of background colour between margin and item
// (essentially this is category's depth, if none then equals m_depth).
unsigned char m_depthBgCol;
private:
// Called in constructors.
void Init();
void Init( const wxString& label, const wxString& name );
};
// -----------------------------------------------------------------------
//
// Property class declaration helper macros
// (wxPGRootPropertyClass and wxPropertyCategory require this).
//
#define WX_PG_DECLARE_DOGETEDITORCLASS \
virtual const wxPGEditor* DoGetEditorClass() const wxOVERRIDE;
#ifndef WX_PG_DECLARE_PROPERTY_CLASS
#define WX_PG_DECLARE_PROPERTY_CLASS(CLASSNAME) \
public: \
wxDECLARE_DYNAMIC_CLASS(CLASSNAME); \
WX_PG_DECLARE_DOGETEDITORCLASS \
private:
#endif
// Implements sans constructor function. Also, first arg is class name, not
// property name.
#define wxPG_IMPLEMENT_PROPERTY_CLASS_PLAIN(PROPNAME, EDITOR) \
const wxPGEditor* PROPNAME::DoGetEditorClass() const \
{ \
return wxPGEditor_##EDITOR; \
}
#if WXWIN_COMPATIBILITY_3_0
// This macro is deprecated. Use wxPG_IMPLEMENT_PROPERTY_CLASS_PLAIN instead.
#define WX_PG_IMPLEMENT_PROPERTY_CLASS_PLAIN(PROPNAME,T,EDITOR) \
wxPG_IMPLEMENT_PROPERTY_CLASS_PLAIN(PROPNAME, EDITOR)
#endif // WXWIN_COMPATIBILITY_3_0
// -----------------------------------------------------------------------
// Root parent property.
class WXDLLIMPEXP_PROPGRID wxPGRootProperty : public wxPGProperty
{
public:
WX_PG_DECLARE_PROPERTY_CLASS(wxPGRootProperty)
public:
// Constructor.
wxPGRootProperty( const wxString& name = wxS("<Root>") );
virtual ~wxPGRootProperty();
virtual bool StringToValue( wxVariant&, const wxString&, int ) const wxOVERRIDE
{
return false;
}
protected:
};
// -----------------------------------------------------------------------
// Category (caption) property.
class WXDLLIMPEXP_PROPGRID wxPropertyCategory : public wxPGProperty
{
friend class wxPropertyGridPageState;
WX_PG_DECLARE_PROPERTY_CLASS(wxPropertyCategory)
public:
// Default constructor is only used in special cases.
wxPropertyCategory();
wxPropertyCategory( const wxString& label,
const wxString& name = wxPG_LABEL );
~wxPropertyCategory();
int GetTextExtent( const wxWindow* wnd, const wxFont& font ) const;
virtual wxString ValueToString( wxVariant& value, int argFlags ) const wxOVERRIDE;
virtual wxString GetValueAsString( int argFlags = 0 ) const wxOVERRIDE;
protected:
void SetTextColIndex( unsigned int colInd )
{ m_capFgColIndex = (wxByte) colInd; }
unsigned int GetTextColIndex() const
{ return (unsigned int) m_capFgColIndex; }
void CalculateTextExtent(const wxWindow* wnd, const wxFont& font);
int m_textExtent; // pre-calculated length of text
wxByte m_capFgColIndex; // caption text colour index
private:
void Init();
};
// -----------------------------------------------------------------------
#endif // wxUSE_PROPGRID
#endif // _WX_PROPGRID_PROPERTY_H_