X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b9ef005c367cdab0ad5f5c6d14acf29e7dd4416..7344108e8a129a3f9b4df5ab0f98a1713db03b89:/interface/wx/grid.h diff --git a/interface/wx/grid.h b/interface/wx/grid.h index 3d6f26a5f9..b69576f0b8 100644 --- a/interface/wx/grid.h +++ b/interface/wx/grid.h @@ -3,7 +3,7 @@ // Purpose: interface of wxGrid and related classes // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @@ -18,8 +18,10 @@ @library{wxadv} @category{grid} - @see wxGridCellBoolRenderer, wxGridCellFloatRenderer, - wxGridCellNumberRenderer, wxGridCellStringRenderer + @see wxGridCellAutoWrapStringRenderer, wxGridCellBoolRenderer, + wxGridCellDateTimeRenderer, wxGridCellEnumRenderer, + wxGridCellFloatRenderer, wxGridCellNumberRenderer, + wxGridCellStringRenderer */ class wxGridCellRenderer { @@ -50,6 +52,31 @@ public: int row, int col) = 0; }; +/** + @class wxGridCellAutoWrapStringRenderer + + This class may be used to format string data in a cell. The too + long lines are wrapped to be shown entirely at word boundaries. + + @library{wxadv} + @category{grid} + + @see wxGridCellRenderer, wxGridCellBoolRenderer, + wxGridCellDateTimeRenderer, wxGridCellEnumRenderer, + wxGridCellFloatRenderer, wxGridCellNumberRenderer, + wxGridCellStringRenderer +*/ + +class wxGridCellAutoWrapStringRenderer : public wxGridCellStringRenderer +{ +public: + /** + Default constructor. + */ + wxGridCellAutoWrapStringRenderer(); +}; + + /** @class wxGridCellBoolRenderer @@ -58,7 +85,9 @@ public: @library{wxadv} @category{grid} - @see wxGridCellRenderer, wxGridCellFloatRenderer, wxGridCellNumberRenderer, + @see wxGridCellRenderer, wxGridCellAutoWrapStringRenderer, + wxGridCellDateTimeRenderer, wxGridCellEnumRenderer, + wxGridCellFloatRenderer, wxGridCellNumberRenderer, wxGridCellStringRenderer */ class wxGridCellBoolRenderer : public wxGridCellRenderer @@ -70,6 +99,110 @@ public: wxGridCellBoolRenderer(); }; +/** + @class wxGridCellDateTimeRenderer + + This class may be used to format a date/time data in a cell. + The class wxDateTime is used internally to display the local date/time + or to parse the string date entered in the cell thanks to the defined format. + + @library{wxadv} + @category{grid} + + @see wxGridCellRenderer, wxGridCellAutoWrapStringRenderer, + wxGridCellBoolRenderer, wxGridCellEnumRenderer, + wxGridCellFloatRenderer, wxGridCellNumberRenderer, + wxGridCellStringRenderer +*/ +class wxGridCellDateTimeRenderer : public wxGridCellStringRenderer +{ +public: + /** + Date/time renderer constructor. + + @param outformat + strptime()-like format string used the parse the output date/time. + @param informat + strptime()-like format string used to parse the string entered in the cell. + */ + wxGridCellDateTimeRenderer(const wxString& outformat = wxDefaultDateTimeFormat, + const wxString& informat = wxDefaultDateTimeFormat); + + + /** + Sets the strptime()-like format string which will be used to parse + the date/time. + + @param params + strptime()-like format string used to parse the date/time. + */ + virtual void SetParameters(const wxString& params); +}; + +/** + @class wxGridCellEnumRenderer + + This class may be used to render in a cell a number as a textual + equivalent. + + The corresponding text strings are specified as comma-separated items in + the string passed to this renderer ctor or SetParameters() method. For + example, if this string is @c "John,Fred,Bob" the cell will be rendered as + "John", "Fred" or "Bob" if its contents is 0, 1 or 2 respectively. + + @library{wxadv} + @category{grid} + + @see wxGridCellRenderer, wxGridCellAutoWrapStringRenderer, + wxGridCellBoolRenderer, wxGridCellDateTimeRenderer, + wxGridCellFloatRenderer, wxGridCellNumberRenderer, + wxGridCellStringRenderer +*/ +class wxGridCellEnumRenderer : public wxGridCellStringRenderer +{ +public: + /** + Enum renderer ctor. + + @param choices + Comma separated string parameters "item1[,item2[...,itemN]]". + */ + wxGridCellEnumRenderer( const wxString& choices = wxEmptyString ); + + /** + Sets the comma separated string content of the enum. + + @param params + Comma separated string parameters "item1[,item2[...,itemN]]". + */ + virtual void SetParameters(const wxString& params); +}; + +/** + Specifier used to format the data to string for the numbers handled by + wxGridCellFloatRenderer and wxGridCellFloatEditor. + + @since 2.9.3 +*/ +enum wxGridCellFloatFormat +{ + /// Decimal floating point (%f). + wxGRID_FLOAT_FORMAT_FIXED = 0x0010, + + /// Scientific notation (mantise/exponent) using e character (%e). + wxGRID_FLOAT_FORMAT_SCIENTIFIC = 0x0020, + + /// Use the shorter of %e or %f (%g). + wxGRID_FLOAT_FORMAT_COMPACT = 0x0040, + + /// To use in combination with one of the above formats for the upper + /// case version (%F/%E/%G) + wxGRID_FLOAT_FORMAT_UPPER = 0x0080, + + /// The format used by default (wxGRID_FLOAT_FORMAT_FIXED). + wxGRID_FLOAT_FORMAT_DEFAULT = wxGRID_FLOAT_FORMAT_FIXED +}; + /** @class wxGridCellFloatRenderer @@ -78,19 +211,37 @@ public: @library{wxadv} @category{grid} - @see wxGridCellRenderer, wxGridCellBoolRenderer, wxGridCellNumberRenderer, + @see wxGridCellRenderer, wxGridCellAutoWrapStringRenderer, + wxGridCellBoolRenderer, wxGridCellDateTimeRenderer, + wxGridCellEnumRenderer, wxGridCellNumberRenderer, wxGridCellStringRenderer */ class wxGridCellFloatRenderer : public wxGridCellStringRenderer { public: /** + Float cell renderer ctor. + @param width Minimum number of characters to be shown. @param precision Number of digits after the decimal dot. + @param format + The format used to display the string, must be a combination of + ::wxGridCellFloatFormat enum elements. This parameter is only + available since wxWidgets 2.9.3. */ - wxGridCellFloatRenderer(int width = -1, int precision = -1); + wxGridCellFloatRenderer(int width = -1, int precision = -1, + int format = wxGRID_FLOAT_FORMAT_DEFAULT); + + /** + Returns the specifier used to format the data to string. + + The returned value is a combination of ::wxGridCellFloatFormat elements. + + @since 2.9.3 + */ + int GetFormat() const; /** Returns the precision. @@ -103,7 +254,18 @@ public: int GetWidth() const; /** - Parameters string format is "width[,precision]". + Set the format to use for display the number. + + @param format + Must be a combination of ::wxGridCellFloatFormat enum elements. + + @since 2.9.3 + */ + void SetFormat(int format); + + /** + The parameters string format is "width[,precision[,format]]" where + @c format should be chosen between f|e|g|E|G (f is used by default) */ virtual void SetParameters(const wxString& params); @@ -126,7 +288,9 @@ public: @library{wxadv} @category{grid} - @see wxGridCellRenderer, wxGridCellBoolRenderer, wxGridCellFloatRenderer, + @see wxGridCellRenderer, wxGridCellAutoWrapStringRenderer, + wxGridCellBoolRenderer, wxGridCellDateTimeRenderer, + wxGridCellEnumRenderer, wxGridCellFloatRenderer, wxGridCellStringRenderer */ class wxGridCellNumberRenderer : public wxGridCellStringRenderer @@ -147,7 +311,9 @@ public: @library{wxadv} @category{grid} - @see wxGridCellRenderer, wxGridCellBoolRenderer, wxGridCellFloatRenderer, + @see wxGridCellRenderer, wxGridCellAutoWrapStringRenderer, + wxGridCellBoolRenderer, wxGridCellDateTimeRenderer, + wxGridCellEnumRenderer, wxGridCellFloatRenderer, wxGridCellNumberRenderer */ class wxGridCellStringRenderer : public wxGridCellRenderer @@ -160,7 +326,6 @@ public: }; - /** @class wxGridCellEditor @@ -173,8 +338,10 @@ public: @library{wxadv} @category{grid} - @see wxGridCellBoolEditor, wxGridCellChoiceEditor, wxGridCellFloatEditor, - wxGridCellNumberEditor, wxGridCellTextEditor + @see wxGridCellAutoWrapStringEditor, wxGridCellBoolEditor, + wxGridCellChoiceEditor, wxGridCellEnumEditor, + wxGridCellFloatEditor, wxGridCellNumberEditor, + wxGridCellTextEditor */ class wxGridCellEditor { @@ -186,7 +353,13 @@ public: /** Fetch the value from the table and prepare the edit control to begin - editing. Sets the focus to the edit control. + editing. + + This function should save the original value of the grid cell at the + given @a row and @a col and show the control allowing the user to + change it. + + @see EndEdit() */ virtual void BeginEdit(int row, int col, wxGrid* grid) = 0; @@ -207,12 +380,34 @@ public: virtual void Destroy(); /** - Complete the editing of the current cell. If necessary, the control may - be destroyed. + End editing the cell. + + This function must check if the current value of the editing control is + valid and different from the original value (available as @a oldval in + its string form and possibly saved internally using its real type by + BeginEdit()). If it isn't, it just returns @false, otherwise it must do + the following: + # Save the new value internally so that ApplyEdit() could apply it. + # Fill @a newval (which is never @NULL) with the string + representation of the new value. + # Return @true + + Notice that it must @em not modify the grid as the change could still + be vetoed. - @return @true if the value has changed. + If the user-defined wxEVT_GRID_CELL_CHANGING event handler doesn't veto + this change, ApplyEdit() will be called next. */ - virtual bool EndEdit(int row, int col, wxGrid* grid) = 0; + virtual bool EndEdit(int row, int col, const wxGrid* grid, + const wxString& oldval, wxString* newval) = 0; + + /** + Effectively save the changes in the grid. + + This function should save the value of the control in the grid. It is + called only after EndEdit() returns @true. + */ + virtual void ApplyEdit(int row, int col, wxGrid* grid) = 0; /** Some types of controls on some platforms may need some help with the @@ -267,6 +462,24 @@ protected: virtual ~wxGridCellEditor(); }; +/** + @class wxGridCellAutoWrapStringEditor + + Grid cell editor for wrappable string/text data. + + @library{wxadv} + @category{grid} + + @see wxGridCellEditor, wxGridCellBoolEditor, wxGridCellChoiceEditor, + wxGridCellEnumEditor, wxGridCellFloatEditor, + wxGridCellNumberEditor, wxGridCellTextEditor +*/ +class wxGridCellAutoWrapStringEditor : public wxGridCellTextEditor +{ +public: + wxGridCellAutoWrapStringEditor(); +}; + /** @class wxGridCellBoolEditor @@ -275,8 +488,10 @@ protected: @library{wxadv} @category{grid} - @see wxGridCellEditor, wxGridCellChoiceEditor, wxGridCellFloatEditor, - wxGridCellNumberEditor, wxGridCellTextEditor + @see wxGridCellEditor, wxGridCellAutoWrapStringEditor, + wxGridCellChoiceEditor, wxGridCellEnumEditor, + wxGridCellFloatEditor, wxGridCellNumberEditor, + wxGridCellTextEditor */ class wxGridCellBoolEditor : public wxGridCellEditor { @@ -300,7 +515,7 @@ public: an empty string otherwise. */ static void UseStringValues(const wxString& valueTrue = "1", - const wxString& valueFalse = wxEmptyString) const; + const wxString& valueFalse = wxEmptyString); }; /** @@ -312,13 +527,17 @@ public: @library{wxadv} @category{grid} - @see wxGridCellEditor, wxGridCellBoolEditor, wxGridCellFloatEditor, - wxGridCellNumberEditor, wxGridCellTextEditor + @see wxGridCellEditor, wxGridCellAutoWrapStringEditor, + wxGridCellBoolEditor, wxGridCellEnumEditor, + wxGridCellFloatEditor, wxGridCellNumberEditor, + wxGridCellTextEditor */ class wxGridCellChoiceEditor : public wxGridCellEditor { public: /** + Choice cell renderer ctor. + @param count Number of strings from which the user can choose. @param choices @@ -330,7 +549,10 @@ public: wxGridCellChoiceEditor(size_t count = 0, const wxString choices[] = NULL, bool allowOthers = false); + /** + Choice cell renderer ctor. + @param choices An array of strings from which the user can choose. @param allowOthers @@ -346,6 +568,33 @@ public: virtual void SetParameters(const wxString& params); }; +/** + @class wxGridCellEnumEditor + + Grid cell editor which displays an enum number as a textual equivalent + (eg. data in cell is 0,1,2 ... n the cell could be displayed as + "John","Fred"..."Bob" in the combo choice box). + + @library{wxadv} + @category{grid} + + @see wxGridCellEditor, wxGridCellAutoWrapStringEditor, + wxGridCellBoolEditor, wxGridCellChoiceEditor, + wxGridCellTextEditor, wxGridCellFloatEditor, + wxGridCellNumberEditor +*/ +class wxGridCellEnumEditor : public wxGridCellChoiceEditor +{ +public: + /** + Enum cell editor ctor. + + @param choices + Comma separated choice parameters "item1[,item2[...,itemN]]". + */ + wxGridCellEnumEditor( const wxString& choices = wxEmptyString ); +}; + /** @class wxGridCellTextEditor @@ -354,8 +603,10 @@ public: @library{wxadv} @category{grid} - @see wxGridCellEditor, wxGridCellBoolEditor, wxGridCellChoiceEditor, - wxGridCellFloatEditor, wxGridCellNumberEditor + @see wxGridCellEditor, wxGridCellAutoWrapStringEditor, + wxGridCellBoolEditor, wxGridCellChoiceEditor, + wxGridCellEnumEditor, wxGridCellFloatEditor, + wxGridCellNumberEditor */ class wxGridCellTextEditor : public wxGridCellEditor { @@ -380,22 +631,32 @@ public: @library{wxadv} @category{grid} - @see wxGridCellEditor, wxGridCellNumberEditor, wxGridCellBoolEditor, - wxGridCellTextEditor, wxGridCellChoiceEditor + @see wxGridCellEditor, wxGridCellAutoWrapStringEditor, + wxGridCellBoolEditor, wxGridCellChoiceEditor, + wxGridCellEnumEditor, wxGridCellNumberEditor, + wxGridCellTextEditor */ class wxGridCellFloatEditor : public wxGridCellTextEditor { public: /** + Float cell editor ctor. + @param width Minimum number of characters to be shown. @param precision Number of digits after the decimal dot. + @param format + The format to use for displaying the number, a combination of + ::wxGridCellFloatFormat enum elements. This parameter is only + available since wxWidgets 2.9.3. */ - wxGridCellFloatEditor(int width = -1, int precision = -1); + wxGridCellFloatEditor(int width = -1, int precision = -1, + int format = wxGRID_FLOAT_FORMAT_DEFAULT); /** - Parameters string format is "width,precision" + The parameters string format is "width[,precision[,format]]" where + @c format should be chosen between f|e|g|E|G (f is used by default) */ virtual void SetParameters(const wxString& params); }; @@ -408,8 +669,10 @@ public: @library{wxadv} @category{grid} - @see wxGridCellEditor, wxGridCellBoolEditor, wxGridCellChoiceEditor, - wxGridCellFloatEditor, wxGridCellTextEditor + @see wxGridCellEditor, wxGridCellAutoWrapStringEditor, + wxGridCellBoolEditor, wxGridCellChoiceEditor, + wxGridCellEnumEditor, wxGridCellFloatEditor, + wxGridCellTextEditor */ class wxGridCellNumberEditor : public wxGridCellTextEditor { @@ -456,10 +719,30 @@ protected: class wxGridCellAttr { public: + /** + Kind of the attribute to retrieve. + + @see wxGridCellAttrProvider::GetAttr(), wxGridTableBase::GetAttr() + */ + enum wxAttrKind + { + /// Return the combined effective attribute for the cell. + Any, + + /// Return the attribute explicitly set for this cell. + Cell, + + /// Return the attribute set for this cells row. + Row, + + /// Return the attribute set for this cells column. + Col + }; + /** Default constructor. */ - wxGridCellAttr(); + wxGridCellAttr(wxGridCellAttr* attrDefault = NULL); /** Constructor specifying some of the often used attributes. */ @@ -479,7 +762,21 @@ public: void DecRef(); /** - See SetAlignment() for the returned values. + Get the alignment to use for the cell with the given attribute. + + If this attribute doesn't specify any alignment, the default attribute + alignment is used (which can be changed using + wxGrid::SetDefaultCellAlignment() but is left and top by default). + + Notice that @a hAlign and @a vAlign values are always overwritten by + this function, use GetNonDefaultAlignment() if this is not desirable. + + @param hAlign + Horizontal alignment is returned here if this argument is non-@NULL. + It is one of wxALIGN_LEFT, wxALIGN_CENTRE or wxALIGN_RIGHT. + @param vAlign + Vertical alignment is returned here if this argument is non-@NULL. + It is one of wxALIGN_TOP, wxALIGN_CENTRE or wxALIGN_BOTTOM. */ void GetAlignment(int* hAlign, int* vAlign) const; @@ -498,6 +795,29 @@ public: */ const wxFont& GetFont() const; + /** + Get the alignment defined by this attribute. + + Unlike GetAlignment() this function only modifies @a hAlign and @a + vAlign if this attribute does define a non-default alignment. This + means that they must be initialized before calling this function and + that their values will be preserved unchanged if they are different + from wxALIGN_INVALID. + + For example, the following fragment can be used to use the cell + alignment if one is defined but right-align its contents by default + (instead of left-aligning it by default) while still using the default + vertical alignment: + @code + int hAlign = wxALIGN_RIGHT, + vAlign = wxALIGN_INVALID; + attr.GetNonDefaultAlignment(&hAlign, &vAlign); + @endcode + + @since 2.9.1 + */ + void GetNonDefaultAlignment(int *hAlign, int *vAlign) const; + /** Returns the cell renderer. */ @@ -594,131 +914,484 @@ public: void SetTextColour(const wxColour& colText); }; - - /** - @class wxGridTableBase - - The almost abstract base class for grid tables. - - A grid table is responsible for storing the grid data and, indirectly, grid - cell attributes. The data can be stored in the way most convenient for the - application but has to be provided in string form to wxGrid. It is also - possible to provide cells values in other formats if appropriate, e.g. as - numbers. + Base class for corner window renderer. - This base class is not quite abstract as it implements a trivial strategy - for storing the attributes by forwarding it to wxGridCellAttrProvider and - also provides stubs for some other functions. However it does have a number - of pure virtual methods which must be implemented in the derived classes. + This is the simplest of all header renderers and only has a single + function. - @see wxGridStringTable + @see wxGridCellAttrProvider::GetCornerRenderer() - @library{wxadv} - @category{grid} -*/ -class wxGridTableBase : public wxObject + @since 2.9.1 + */ +class wxGridCornerHeaderRenderer { public: /** - Default constructor. + Called by the grid to draw the corner window border. + + This method is responsible for drawing the border inside the given @a + rect and adjusting the rectangle size to correspond to the area inside + the border, i.e. usually call wxRect::Deflate() to account for the + border width. + + @param grid + The grid whose corner window is being drawn. + @param dc + The device context to use for drawing. + @param rect + Input/output parameter which contains the border rectangle on input + and should be updated to contain the area inside the border on + function return. */ - wxGridTableBase(); + virtual void DrawBorder(const wxGrid& grid, + wxDC& dc, + wxRect& rect) const = 0; +}; +/** + Common base class for row and column headers renderers. - /** - Destructor frees the attribute provider if it was created. - */ - virtual ~wxGridTableBase(); + @see wxGridColumnHeaderRenderer, wxGridRowHeaderRenderer + @since 2.9.1 + */ +class wxGridHeaderLabelsRenderer : public wxGridCornerHeaderRenderer +{ +public: /** - Must be overridden to return the number of rows in the table. - - For backwards compatibility reasons, this method is not const. - Use GetRowsCount() instead of it in const methods of derived table - classes. - */ - virtual int GetNumberRows() = 0; + Called by the grid to draw the specified label. - /** - Must be overridden to return the number of columns in the table. + Notice that the base class DrawBorder() method is called before this + one. - For backwards compatibility reasons, this method is not const. - Use GetColsCount() instead of it in const methods of derived table - classes, + The default implementation uses wxGrid::GetLabelTextColour() and + wxGrid::GetLabelFont() to draw the label. */ - virtual int GetNumberCols() = 0; + virtual void DrawLabel(const wxGrid& grid, + wxDC& dc, + const wxString& value, + const wxRect& rect, + int horizAlign, + int vertAlign, + int textOrientation) const; +}; - /** - Return the number of rows in the table. +/** + Base class for row headers renderer. - This method is not virtual and is only provided as a convenience for - the derived classes which can't call GetNumberRows() without a - @c const_cast from their const methods. - */ - int GetRowsCount() const; + This is the same as wxGridHeaderLabelsRenderer currently but we still use a + separate class for it to distinguish it from wxGridColumnHeaderRenderer. - /** - Return the number of columns in the table. + @see wxGridRowHeaderRendererDefault - This method is not virtual and is only provided as a convenience for - the derived classes which can't call GetNumberCols() without a - @c const_cast from their const methods. - */ - int GetColsCount() const; + @see wxGridCellAttrProvider::GetRowHeaderRenderer() + @since 2.9.1 + */ +class wxGridRowHeaderRenderer : public wxGridHeaderLabelsRenderer +{ +}; - /** - @name Table Cell Accessors - */ - //@{ +/** + Base class for column headers renderer. - /** - Must be overridden to implement testing for empty cells. - */ - virtual bool IsEmptyCell(int row, int col) = 0; + This is the same as wxGridHeaderLabelsRenderer currently but we still use a + separate class for it to distinguish it from wxGridRowHeaderRenderer. - /** - Same as IsEmptyCell() but taking wxGridCellCoords. + @see wxGridColumnHeaderRendererDefault - Notice that this method is not virtual, only IsEmptyCell() should be - overridden. - */ - bool IsEmpty(const wxGridCellCoords& coords); + @see wxGridCellAttrProvider::GetColumnHeaderRenderer() - /** - Must be overridden to implement accessing the table values as text. - */ - virtual wxString GetValue(int row, int col) = 0; + @since 2.9.1 + */ +class wxGridColumnHeaderRenderer : public wxGridHeaderLabelsRenderer +{ +}; - /** - Must be overridden to implement setting the table values as text. - */ - virtual void SetValue(int row, int col, const wxString& value) = 0; +/** + Default row header renderer. - /** - Returns the type of the value in the given cell. + You may derive from this class if you need to only override one of its + methods (i.e. either DrawLabel() or DrawBorder()) but continue to use the + default implementation for the other one. - By default all cells are strings and this method returns - @c wxGRID_VALUE_STRING. - */ - virtual wxString GetTypeName(int row, int col); + @see wxGridColumnHeaderRendererDefault - /** - Returns true if the value of the given cell can be accessed as if it - were of the specified type. + @since 2.9.1 + */ +class wxGridRowHeaderRendererDefault : public wxGridRowHeaderRenderer +{ +public: + /// Implement border drawing for the row labels. + virtual void DrawBorder(const wxGrid& grid, + wxDC& dc, + wxRect& rect) const; +}; - By default the cells can only be accessed as strings. Note that a cell - could be accessible in different ways, e.g. a numeric cell may return - @true for @c wxGRID_VALUE_NUMBER but also for @c wxGRID_VALUE_STRING - indicating that the value can be coerced to a string form. - */ - virtual bool CanGetValueAs(int row, int col, const wxString& typeName); +/** + Default column header renderer. - /** - Returns true if the value of the given cell can be set as if it were of - the specified type. + @see wxGridRowHeaderRendererDefault - @see CanGetValueAs() + @since 2.9.1 + */ +class wxGridColumnHeaderRendererDefault : public wxGridColumnHeaderRenderer +{ +public: + /// Implement border drawing for the column labels. + virtual void DrawBorder(const wxGrid& grid, + wxDC& dc, + wxRect& rect) const; +}; + +/** + Default corner window renderer. + + @see wxGridColumnHeaderRendererDefault, wxGridRowHeaderRendererDefault + + @since 2.9.1 + */ +class wxGridCornerHeaderRendererDefault : public wxGridCornerHeaderRenderer +{ +public: + /// Implement border drawing for the corner window. + virtual void DrawBorder(const wxGrid& grid, + wxDC& dc, + wxRect& rect) const; +}; + +/** + Class providing attributes to be used for the grid cells. + + This class both defines an interface which grid cell attributes providers + should implement -- and which can be implemented differently in derived + classes -- and a default implementation of this interface which is often + good enough to be used without modification, especially with not very large + grids for which the efficiency of attributes storage hardly matters (see + the discussion below). + + An object of this class can be associated with a wxGrid using + wxGridTableBase::SetAttrProvider() but it's not necessary to call it if you + intend to use the default provider as it is used by wxGridTableBase by + default anyhow. + + Notice that while attributes provided by this class can be set for + individual cells using SetAttr() or the entire rows or columns using + SetRowAttr() and SetColAttr() they are always retrieved using GetAttr() + function. + + + The default implementation of this class stores the attributes passed to + its SetAttr(), SetRowAttr() and SetColAttr() in a straightforward way. A + derived class may use its knowledge about how the attributes are used in + your program to implement it much more efficiently: for example, using a + special background colour for all even-numbered rows can be implemented by + simply returning the same attribute from GetAttr() if the row number is + even instead of having to store N/2 row attributes where N is the total + number of rows in the grid. + + Notice that objects of this class can't be copied. + */ +class wxGridCellAttrProvider : public wxClientDataContainer +{ +public: + /// Trivial default constructor. + wxGridCellAttrProvider(); + + /// Destructor releases any attributes held by this class. + virtual ~wxGridCellAttrProvider(); + + /** + Get the attribute to use for the specified cell. + + If wxGridCellAttr::Any is used as @a kind value, this function combines + the attributes set for this cell using SetAttr() and those for its row + or column (set with SetRowAttr() or SetColAttr() respectively), with + the cell attribute having the highest precedence. + + Notice that the caller must call DecRef() on the returned pointer if it + is non-@NULL. + + @param row + The row of the cell. + @param col + The column of the cell. + @param kind + The kind of the attribute to return. + @return + The attribute to use which should be DecRef()'d by caller or @NULL + if no attributes are defined for this cell. + */ + virtual wxGridCellAttr *GetAttr(int row, int col, + wxGridCellAttr::wxAttrKind kind) const; + + /** + Setting attributes. + + All these functions take ownership of the attribute passed to them, + i.e. will call DecRef() on it themselves later and so it should not be + destroyed by the caller. And the attribute can be @NULL to reset a + previously set value. + */ + //@{ + + /// Set attribute for the specified cell. + virtual void SetAttr(wxGridCellAttr *attr, int row, int col); + + /// Set attribute for the specified row. + virtual void SetRowAttr(wxGridCellAttr *attr, int row); + + /// Set attribute for the specified column. + virtual void SetColAttr(wxGridCellAttr *attr, int col); + + //@} + + /** + Getting header renderers. + + These functions return the renderers for the given row or column header + label and the corner window. Unlike cell attributes, these objects are + not reference counted and are never @NULL so they are returned by + reference and not pointer and DecRef() shouldn't (and can't) be called + for them. + + All these functions were added in wxWidgets 2.9.1. + */ + //@{ + + /** + Return the renderer used for drawing column headers. + + By default wxGridColumnHeaderRendererDefault is returned. + + @see wxGrid::SetUseNativeColLabels(), wxGrid::UseNativeColHeader() + + @since 2.9.1 + */ + virtual const wxGridColumnHeaderRenderer& GetColumnHeaderRenderer(int col); + + /** + Return the renderer used for drawing row headers. + + By default wxGridRowHeaderRendererDefault is returned. + + @since 2.9.1 + */ + virtual const wxGridRowHeaderRenderer& GetRowHeaderRenderer(int row); + + /** + Return the renderer used for drawing the corner window. + + By default wxGridCornerHeaderRendererDefault is returned. + + @since 2.9.1 + */ + virtual const wxGridCornerHeaderRenderer& GetCornerRenderer(); + + //@} +}; + +/** + Represents coordinates of a grid cell. + + An object of this class is simply a (row, column) pair. + */ +class wxGridCellCoords +{ +public: + /** + Default constructor initializes the object to invalid state. + + Initially the row and column are both invalid (-1) and so operator!() + for an uninitialized wxGridCellCoords returns false. + */ + wxGridCellCoords(); + + /** + Constructor taking a row and a column. + */ + wxGridCellCoords(int row, int col); + + /** + Return the row of the coordinate. + */ + int GetRow() const; + + /** + Set the row of the coordinate. + */ + void SetRow(int n); + + /** + Return the column of the coordinate. + */ + int GetCol() const; + + /** + Set the column of the coordinate. + */ + void SetCol(int n); + + /** + Set the row and column of the coordinate. + */ + void Set(int row, int col); + + /** + Assignment operator for coordinate types. + */ + wxGridCellCoords& operator=(const wxGridCellCoords& other); + + /** + Equality operator. + */ + bool operator==(const wxGridCellCoords& other) const; + + /** + Inequality operator. + */ + bool operator!=(const wxGridCellCoords& other) const; + + /** + Checks whether the coordinates are invalid. + + Returns false only if both row and column are -1. Notice that if either + row or column (but not both) are -1, this method returns true even if + the object is invalid. This is done because objects in such state + should actually never exist, i.e. either both coordinates should be -1 + or none of them should be -1. + */ + bool operator!() const; +}; + +/** + @class wxGridTableBase + + The almost abstract base class for grid tables. + + A grid table is responsible for storing the grid data and, indirectly, grid + cell attributes. The data can be stored in the way most convenient for the + application but has to be provided in string form to wxGrid. It is also + possible to provide cells values in other formats if appropriate, e.g. as + numbers. + + This base class is not quite abstract as it implements a trivial strategy + for storing the attributes by forwarding it to wxGridCellAttrProvider and + also provides stubs for some other functions. However it does have a number + of pure virtual methods which must be implemented in the derived classes. + + @see wxGridStringTable + + @library{wxadv} + @category{grid} +*/ +class wxGridTableBase : public wxObject +{ +public: + /** + Default constructor. + */ + wxGridTableBase(); + + /** + Destructor frees the attribute provider if it was created. + */ + virtual ~wxGridTableBase(); + + /** + Must be overridden to return the number of rows in the table. + + For backwards compatibility reasons, this method is not const. + Use GetRowsCount() instead of it in const methods of derived table + classes. + */ + virtual int GetNumberRows() = 0; + + /** + Must be overridden to return the number of columns in the table. + + For backwards compatibility reasons, this method is not const. + Use GetColsCount() instead of it in const methods of derived table + classes, + */ + virtual int GetNumberCols() = 0; + + /** + Return the number of rows in the table. + + This method is not virtual and is only provided as a convenience for + the derived classes which can't call GetNumberRows() without a + @c const_cast from their const methods. + */ + int GetRowsCount() const; + + /** + Return the number of columns in the table. + + This method is not virtual and is only provided as a convenience for + the derived classes which can't call GetNumberCols() without a + @c const_cast from their const methods. + */ + int GetColsCount() const; + + + /** + @name Table Cell Accessors + */ + //@{ + + /** + May be overridden to implement testing for empty cells. + + This method is used by the grid to test if the given cell is not used + and so whether a neighbouring cell may overflow into it. By default it + only returns true if the value of the given cell, as returned by + GetValue(), is empty. + */ + virtual bool IsEmptyCell(int row, int col); + + /** + Same as IsEmptyCell() but taking wxGridCellCoords. + + Notice that this method is not virtual, only IsEmptyCell() should be + overridden. + */ + bool IsEmpty(const wxGridCellCoords& coords); + + /** + Must be overridden to implement accessing the table values as text. + */ + virtual wxString GetValue(int row, int col) = 0; + + /** + Must be overridden to implement setting the table values as text. + */ + virtual void SetValue(int row, int col, const wxString& value) = 0; + + /** + Returns the type of the value in the given cell. + + By default all cells are strings and this method returns + @c wxGRID_VALUE_STRING. + */ + virtual wxString GetTypeName(int row, int col); + + /** + Returns true if the value of the given cell can be accessed as if it + were of the specified type. + + By default the cells can only be accessed as strings. Note that a cell + could be accessible in different ways, e.g. a numeric cell may return + @true for @c wxGRID_VALUE_NUMBER but also for @c wxGRID_VALUE_STRING + indicating that the value can be coerced to a string form. + */ + virtual bool CanGetValueAs(int row, int col, const wxString& typeName); + + /** + Returns true if the value of the given cell can be set as if it were of + the specified type. + + @see CanGetValueAs() */ virtual bool CanSetValueAs(int row, int col, const wxString& typeName); @@ -856,6 +1529,9 @@ public: /** Delete rows from the table. + Notice that currently deleting a row intersecting a multi-cell (see + SetCellSize()) is not supported and will result in a crash. + @param pos The first row to delete. @param numRows @@ -1002,57 +1678,122 @@ public: virtual bool CanHaveAttributes(); }; +/** + @class wxGridSizesInfo + + wxGridSizesInfo stores information about sizes of all wxGrid rows or + columns. + + It assumes that most of the rows or columns (which are both called elements + here as the difference between them doesn't matter at this class level) + have the default size and so stores it separately. And it uses a wxHashMap + to store the sizes of all elements which have the non-default size. + + This structure is particularly useful for serializing the sizes of all + wxGrid elements at once. + + @library{wxadv} + @category{grid} + */ +struct wxGridSizesInfo +{ + /** + Default constructor. + + m_sizeDefault and m_customSizes must be initialized later. + */ + wxGridSizesInfo(); + + /** + Constructor. + + This constructor is used by wxGrid::GetRowSizes() and GetColSizes() + methods. User code will usually use the default constructor instead. + + @param defSize + The default element size. + @param allSizes + Array containing the sizes of @em all elements, including those + which have the default size. + */ + wxGridSizesInfo(int defSize, const wxArrayInt& allSizes); + + /** + Get the element size. + + @param pos + The index of the element. + @return + The size for this element, using m_customSizes if @a pos is in it + or m_sizeDefault otherwise. + */ + int GetSize(unsigned pos) const; + + + /// Default size + int m_sizeDefault; + + /** + Map with element indices as keys and their sizes as values. + + This map only contains the elements with non-default size. + */ + wxUnsignedToIntHashMap m_customSizes; +}; /** @class wxGrid wxGrid and its related classes are used for displaying and editing tabular - data. - They provide a rich set of features for display, editing, and interacting - with a variety of data sources. For simple applications, and to help you - get started, wxGrid is the only class you need to refer to directly. It - will set up default instances of the other classes and manage them for you. - For more complex applications you can derive your own classes for custom - grid views, grid data tables, cell editors and renderers. The @ref - overview_grid "wxGrid overview" has examples of simple and more complex applications, + data. They provide a rich set of features for display, editing, and + interacting with a variety of data sources. For simple applications, and to + help you get started, wxGrid is the only class you need to refer to + directly. It will set up default instances of the other classes and manage + them for you. For more complex applications you can derive your own classes + for custom grid views, grid data tables, cell editors and renderers. The + @ref overview_grid has examples of simple and more complex applications, explains the relationship between the various grid classes and has a summary of the keyboard shortcuts and mouse functions provided by wxGrid. - wxGrid has been greatly expanded and redesigned for wxWidgets 2.2 onwards. - The new grid classes are reasonably backward-compatible but there are some - exceptions. There are also easier ways of doing many things compared to the - previous implementation. - A wxGridTableBase class holds the actual data to be displayed by a wxGrid class. One or more wxGrid classes may act as a view for one table class. The default table class is called wxGridStringTable and holds an array of - strings. An instance of such a class is created by wxGrid::CreateGrid. + strings. An instance of such a class is created by CreateGrid(). - wxGridCellRenderer is the abstract base class for rendereing contents in a + wxGridCellRenderer is the abstract base class for rendering contents in a cell. The following renderers are predefined: - - wxGridCellStringRenderer, - - wxGridCellBoolRenderer, - - wxGridCellFloatRenderer, - - wxGridCellNumberRenderer. + + - wxGridCellBoolRenderer + - wxGridCellFloatRenderer + - wxGridCellNumberRenderer + - wxGridCellStringRenderer + The look of a cell can be further defined using wxGridCellAttr. An object - of this type may be returned by wxGridTableBase::GetAttr. + of this type may be returned by wxGridTableBase::GetAttr(). wxGridCellEditor is the abstract base class for editing the value of a cell. The following editors are predefined: - - wxGridCellTextEditor - - wxGridCellBoolEditor - - wxGridCellChoiceEditor - - wxGridCellNumberEditor. + + - wxGridCellBoolEditor + - wxGridCellChoiceEditor + - wxGridCellFloatEditor + - wxGridCellNumberEditor + - wxGridCellTextEditor + + Please see wxGridEvent, wxGridSizeEvent, wxGridRangeSelectEvent, and + wxGridEditorCreatedEvent for the documentation of all event types you can + use with wxGrid. @library{wxadv} @category{grid} - @see @ref overview_grid "wxGrid overview" + @see @ref overview_grid, wxGridUpdateLocker */ class wxGrid : public wxScrolledWindow { public: + /** Different selection modes supported by the grid. */ @@ -1076,9 +1817,88 @@ public: The user won't be able to select any cells or rows in this mode. */ - wxGridSelectColumns + wxGridSelectColumns, + + /** + The selection mode allowing the user to select either the entire + columns or the entire rows but not individual cells nor blocks. + + Notice that while this constant is defined as @code + wxGridSelectColumns | wxGridSelectRows @endcode this doesn't mean + that all the other combinations are valid -- at least currently + they are not. + + @since 2.9.1 + */ + wxGridSelectRowsOrColumns + }; + + /** + Return values for GetCellSize(). + + @since 2.9.1 + */ + enum CellSpan + { + /// This cell is inside a span covered by another cell. + CellSpan_Inside = -1, + + /// This is a normal, non-spanning cell. + CellSpan_None = 0, + + /// This cell spans several physical wxGrid cells. + CellSpan_Main + }; + + /** + Rendering styles supported by wxGrid::Render() method. + + @since 2.9.4 + */ + enum wxGridRenderStyle + { + /// Draw grid row header labels. + wxGRID_DRAW_ROWS_HEADER = 0x001, + + /// Draw grid column header labels. + wxGRID_DRAW_COLS_HEADER = 0x002, + + /// Draw grid cell border lines. + wxGRID_DRAW_CELL_LINES = 0x004, + + /** + Draw a bounding rectangle around the rendered cell area. + + Useful where row or column headers are not drawn or where there is + multi row or column cell clipping and therefore no cell border at + the rendered outer boundary. + */ + wxGRID_DRAW_BOX_RECT = 0x008, + + /** + Draw the grid cell selection highlight if a selection is present. + + At present the highlight colour drawn depends on whether the grid + window loses focus before drawing begins. + */ + wxGRID_DRAW_SELECTION = 0x010, + + /** + The default render style. + + Includes all except wxGRID_DRAW_SELECTION. + */ + wxGRID_DRAW_DEFAULT = wxGRID_DRAW_ROWS_HEADER | + wxGRID_DRAW_COLS_HEADER | + wxGRID_DRAW_CELL_LINES | + wxGRID_DRAW_BOX_RECT }; + /** + @name Constructors and Initialization + */ + //@{ + /** Default constructor. @@ -1086,20 +1906,27 @@ public: CreateGrid() or SetTable() to initialize the grid contents. */ wxGrid(); - /** Constructor creating the grid window. You must call either CreateGrid() or SetTable() to initialize the grid contents before using it. */ - wxGrid(wxWindow* parent, - wxWindowID id, + wxGrid(wxWindow* parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxWANTS_CHARS, const wxString& name = wxGridNameStr); + /** + Destructor. + + This will also destroy the associated grid table unless you passed a + table object to the grid and specified that the grid should not take + ownership of the table (see SetTable()). + */ + virtual ~wxGrid(); + /** Creates the grid window for an object initialized using the default constructor. @@ -1107,427 +1934,503 @@ public: You must call either CreateGrid() or SetTable() to initialize the grid contents before using it. */ - bool Create(wxWindow* parent, - wxWindowID id, + bool Create(wxWindow* parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxWANTS_CHARS, const wxString& name = wxGridNameStr); /** - Destructor. + Creates a grid with the specified initial number of rows and columns. - This will also destroy the associated grid table unless you passed a - table object to the grid and specified that the grid should not take - ownership of the table (see wxGrid::SetTable). + Call this directly after the grid constructor. When you use this + function wxGrid will create and manage a simple table of string values + for you. All of the grid data will be stored in memory. + + For applications with more complex data types or relationships, or for + dealing with very large datasets, you should derive your own grid table + class and pass a table object to the grid with SetTable(). */ - virtual ~wxGrid(); + bool CreateGrid(int numRows, int numCols, + wxGridSelectionModes selmode = wxGridSelectCells); /** - Appends one or more new columns to the right of the grid. + Passes a pointer to a custom grid table to be used by the grid. - The @a updateLabels argument is not used at present. If you are using a - derived grid table class you will need to override - wxGridTableBase::AppendCols. See InsertCols() for further information. + This should be called after the grid constructor and before using the + grid object. If @a takeOwnership is set to @true then the table will be + deleted by the wxGrid destructor. - @return @true on success or @false if appending columns failed. + Use this function instead of CreateGrid() when your application + involves complex or non-string data or data sets that are too large to + fit wholly in memory. */ - bool AppendCols(int numCols = 1, bool updateLabels = true); + bool SetTable(wxGridTableBase* table, bool takeOwnership = false, + wxGridSelectionModes selmode = wxGridSelectCells); - /** - Appends one or more new rows to the bottom of the grid. + //@} - The @a updateLabels argument is not used at present. If you are using a - derived grid table class you will need to override - wxGridTableBase::AppendRows. See InsertRows() for further information. - @return @true on success or @false if appending rows failed. + /** + @name Grid Line Formatting + */ + //@{ + + /** + Turns the drawing of grid lines on or off. */ - bool AppendRows(int numRows = 1, bool updateLabels = true); + void EnableGridLines(bool enable = true); /** - Return @true if the horizontal grid lines stop at the last column - boundary or @false if they continue to the end of the window. + Returns the pen used for vertical grid lines. - The default is to clip grid lines. + This virtual function may be overridden in derived classes in order to + change the appearance of individual grid lines for the given column + @a col. - @see ClipHorzGridLines(), AreVertGridLinesClipped() - */ - bool AreHorzGridLinesClipped() const; + See GetRowGridLinePen() for an example. + */ + virtual wxPen GetColGridLinePen(int col); /** - Return @true if the vertical grid lines stop at the last row - boundary or @false if they continue to the end of the window. + Returns the pen used for grid lines. - The default is to clip grid lines. + This virtual function may be overridden in derived classes in order to + change the appearance of grid lines. Note that currently the pen width + must be 1. - @see ClipVertGridLines(), AreHorzGridLinesClipped() - */ - bool AreVertGridLinesClipped() const; + @see GetColGridLinePen(), GetRowGridLinePen() + */ + virtual wxPen GetDefaultGridLinePen(); /** - Automatically sets the height and width of all rows and columns to fit their - contents. + Returns the colour used for grid lines. + + @see GetDefaultGridLinePen() */ - void AutoSize(); + wxColour GetGridLineColour() const; /** - Automatically adjusts width of the column to fit its label. + Returns the pen used for horizontal grid lines. + + This virtual function may be overridden in derived classes in order to + change the appearance of individual grid line for the given @a row. + + Example: + @code + // in a grid displaying music notation, use a solid black pen between + // octaves (C0=row 127, C1=row 115 etc.) + wxPen MidiGrid::GetRowGridLinePen(int row) + { + if ( row % 12 == 7 ) + return wxPen(*wxBLACK, 1, wxSOLID); + else + return GetDefaultGridLinePen(); + } + @endcode */ - void AutoSizeColLabelSize(int col); + virtual wxPen GetRowGridLinePen(int row); /** - Automatically sizes the column to fit its contents. If setAsMin is @true the - calculated width will - also be set as the minimal width for the column. + Returns @true if drawing of grid lines is turned on, @false otherwise. */ - void AutoSizeColumn(int col, bool setAsMin = true); + bool GridLinesEnabled() const; /** - Automatically sizes all columns to fit their contents. If setAsMin is @true the - calculated widths will - also be set as the minimal widths for the columns. + Sets the colour used to draw grid lines. */ - void AutoSizeColumns(bool setAsMin = true); + void SetGridLineColour(const wxColour& colour); + + //@} + /** - Automatically sizes the row to fit its contents. If setAsMin is @true the - calculated height will - also be set as the minimal height for the row. - */ - void AutoSizeRow(int row, bool setAsMin = true); + @name Label Values and Formatting + */ + //@{ /** - Automatically adjusts height of the row to fit its label. + Sets the arguments to the current column label alignment values. + + Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE + or @c wxALIGN_RIGHT. + + Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or + @c wxALIGN_BOTTOM. */ - void AutoSizeRowLabelSize(int col); + void GetColLabelAlignment(int* horiz, int* vert) const; /** - Automatically sizes all rows to fit their contents. If setAsMin is @true the - calculated heights will - also be set as the minimal heights for the rows. + Returns the orientation of the column labels (either @c wxHORIZONTAL or + @c wxVERTICAL). */ - void AutoSizeRows(bool setAsMin = true); + int GetColLabelTextOrientation() const; /** - Increments the grid's batch count. - - When the count is greater than zero repainting of the grid is - suppressed. Each call to BeginBatch must be matched by a later call to - EndBatch(). Code that does a lot of grid modification can be enclosed - between BeginBatch and EndBatch calls to avoid screen flicker. The - final EndBatch will cause the grid to be repainted. + Returns the specified column label. - Notice that you should use wxGridUpdateLocker which ensures that there - is always a matching EndBatch() call for this BeginBatch() if possible - instead of calling this method directly. + The default grid table class provides column labels of the form + A,B...Z,AA,AB...ZZ,AAA... If you are using a custom grid table you can + override wxGridTableBase::GetColLabelValue() to provide your own + labels. */ - void BeginBatch(); + wxString GetColLabelValue(int col) const; /** - Convert grid cell coordinates to grid window pixel coordinates. + Returns the colour used for the background of row and column labels. + */ + wxColour GetLabelBackgroundColour() const; - This function returns the rectangle that encloses the block of cells - limited by @a topLeft and @a bottomRight cell in device coords and - clipped to the client size of the grid window. + /** + Returns the font used for row and column labels. + */ + wxFont GetLabelFont() const; - @see CellToRect() + /** + Returns the colour used for row and column label text. */ - wxRect BlockToDeviceRect(const wxGridCellCoords& topLeft, - const wxGridCellCoords& bottomRight) const; + wxColour GetLabelTextColour() const; /** - Returns @true if columns can be moved by dragging with the mouse. + Returns the alignment used for row labels. - Columns can be moved by dragging on their labels. + Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE + or @c wxALIGN_RIGHT. + + Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or + @c wxALIGN_BOTTOM. */ - bool CanDragColMove() const; + void GetRowLabelAlignment(int* horiz, int* vert) const; /** - Returns @true if columns can be resized by dragging with the mouse. + Returns the specified row label. - Columns can be resized by dragging the edges of their labels. If grid - line dragging is enabled they can also be resized by dragging the right - edge of the column in the grid cell area (see - wxGrid::EnableDragGridSize). + The default grid table class provides numeric row labels. If you are + using a custom grid table you can override + wxGridTableBase::GetRowLabelValue() to provide your own labels. */ - bool CanDragColSize() const; + wxString GetRowLabelValue(int row) const; /** - Return @true if the dragging of grid lines to resize rows and columns - is enabled or @false otherwise. + Hides the column labels by calling SetColLabelSize() with a size of 0. + Show labels again by calling that method with a width greater than 0. */ - bool CanDragGridSize() const; + void HideColLabels(); /** - Returns @true if rows can be resized by dragging with the mouse. + Hides the row labels by calling SetRowLabelSize() with a size of 0. - Rows can be resized by dragging the edges of their labels. If grid line - dragging is enabled they can also be resized by dragging the lower edge - of the row in the grid cell area (see wxGrid::EnableDragGridSize). + The labels can be shown again by calling SetRowLabelSize() with a width + greater than 0. */ - bool CanDragRowSize() const; + void HideRowLabels(); /** - Returns @true if the in-place edit control for the current grid cell - can be used and @false otherwise. + Sets the horizontal and vertical alignment of column label text. - This function always returns @false for the read-only cells. + Horizontal alignment should be one of @c wxALIGN_LEFT, + @c wxALIGN_CENTRE or @c wxALIGN_RIGHT. Vertical alignment should be one + of @c wxALIGN_TOP, @c wxALIGN_CENTRE or @c wxALIGN_BOTTOM. */ - bool CanEnableCellControl() const; + void SetColLabelAlignment(int horiz, int vert); - //@{ /** - Return the rectangle corresponding to the grid cell's size and position - in logical coordinates. - - @see BlockToDeviceRect() + Sets the orientation of the column labels (either @c wxHORIZONTAL or + @c wxVERTICAL). */ - wxRect CellToRect(int row, int col) const; - const wxRect CellToRect(const wxGridCellCoords& coords) const; - - //@} + void SetColLabelTextOrientation(int textOrientation); /** - Clears all data in the underlying grid table and repaints the grid. + Set the value for the given column label. - The table is not deleted by this function. If you are using a derived - table class then you need to override wxGridTableBase::Clear() for this - function to have any effect. + If you are using a custom grid table you must override + wxGridTableBase::SetColLabelValue() for this to have any effect. */ - void ClearGrid(); + void SetColLabelValue(int col, const wxString& value); /** - Deselects all cells that are currently selected. + Sets the background colour for row and column labels. */ - void ClearSelection(); + void SetLabelBackgroundColour(const wxColour& colour); /** - Change whether the horizontal grid lines are clipped by the end of the - last column. - - By default the grid lines are not drawn beyond the end of the last - column but after calling this function with @a clip set to @false they - will be drawn across the entire grid window. + Sets the font for row and column labels. + */ + void SetLabelFont(const wxFont& font); - @see AreHorzGridLinesClipped(), ClipVertGridLines() - */ - void ClipHorzGridLines(bool clip); + /** + Sets the colour for row and column label text. + */ + void SetLabelTextColour(const wxColour& colour); /** - Change whether the vertical grid lines are clipped by the end of the - last row. + Sets the horizontal and vertical alignment of row label text. - By default the grid lines are not drawn beyond the end of the last - row but after calling this function with @a clip set to @false they - will be drawn across the entire grid window. - - @see AreVertzGridLinesClipped(), ClipHorzGridLines() - */ - void ClipVertzGridLines(bool clip); + Horizontal alignment should be one of @c wxALIGN_LEFT, + @c wxALIGN_CENTRE or @c wxALIGN_RIGHT. Vertical alignment should be one + of @c wxALIGN_TOP, @c wxALIGN_CENTRE or @c wxALIGN_BOTTOM. + */ + void SetRowLabelAlignment(int horiz, int vert); /** - Creates a grid with the specified initial number of rows and columns. + Sets the value for the given row label. - Call this directly after the grid constructor. When you use this - function wxGrid will create and manage a simple table of string values - for you. All of the grid data will be stored in memory. - For applications with more complex data types or relationships, or for - dealing with very large datasets, you should derive your own grid table - class and pass a table object to the grid with SetTable(). + If you are using a derived grid table you must override + wxGridTableBase::SetRowLabelValue() for this to have any effect. */ - bool CreateGrid(int numRows, int numCols, - wxGridSelectionModes selmode = wxGridSelectCells); + void SetRowLabelValue(int row, const wxString& value); /** - Deletes one or more columns from a grid starting at the specified - position. + Call this in order to make the column labels use a native look by using + wxRendererNative::DrawHeaderButton() internally. - The @a updateLabels argument is not used at present. If you are using a - derived grid table class you will need to override - wxGridTableBase::DeleteCols. See InsertCols() for further information. + There is no equivalent method for drawing row columns as there is not + native look for that. This option is useful when using wxGrid for + displaying tables and not as a spread-sheet. - @return @true on success or @false if deleting columns failed. + @see UseNativeColHeader() */ - bool DeleteCols(int pos = 0, int numCols = 1, bool updateLabels = true); + void SetUseNativeColLabels(bool native = true); /** - Deletes one or more rows from a grid starting at the specified position. + Enable the use of native header window for column labels. + + If this function is called with @true argument, a wxHeaderCtrl is used + instead to display the column labels instead of drawing them in wxGrid + code itself. This has the advantage of making the grid look and feel + perfectly the same as native applications (using SetUseNativeColLabels() + the grid can be made to look more natively but it still doesn't feel + natively, notably the column resizing and dragging still works slightly + differently as it is implemented in wxWidgets itself) but results in + different behaviour for column and row headers, for which there is no + equivalent function, and, most importantly, is unsuitable for grids + with huge numbers of columns as wxHeaderCtrl doesn't support virtual + mode. Because of this, by default the grid does not use the native + header control but you should call this function to enable it if you + are using the grid to display tabular data and don't have thousands of + columns in it. + + Another difference between the default behaviour and the native header + behaviour is that the latter provides the user with a context menu + (which appears on right clicking the header) allowing to rearrange the + grid columns if CanDragColMove() returns @true. If you want to prevent + this from happening for some reason, you need to define a handler for + @c wxEVT_GRID_LABEL_RIGHT_CLICK event which simply does nothing (in + particular doesn't skip the event) as this will prevent the default + right click handling from working. + + Also note that currently @c wxEVT_GRID_LABEL_RIGHT_DCLICK event is not + generated for the column labels if the native columns header is used + (but this limitation could possibly be lifted in the future). + */ + void UseNativeColHeader(bool native = true); - The @a updateLabels argument is not used at present. If you are using a - derived grid table class you will need to override - wxGridTableBase::DeleteRows. See InsertRows() for further information. + //@} - @return @true on success or @false if appending rows failed. - */ - bool DeleteRows(int pos = 0, int numRows = 1, bool updateLabels = true); /** - Disables in-place editing of grid cells. + @name Cell Formatting - Equivalent to calling EnableCellEditControl(@false). - */ - void DisableCellEditControl(); + Note that wxGridCellAttr can be used alternatively to most of these + methods. See the "Attributes Management" of wxGridTableBase. + */ + //@{ /** - Disables column moving by dragging with the mouse. + Sets the arguments to the horizontal and vertical text alignment values + for the grid cell at the specified location. - Equivalent to passing @false to EnableDragColMove(). + Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE + or @c wxALIGN_RIGHT. + + Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or + @c wxALIGN_BOTTOM. */ - void DisableDragColMove(); + void GetCellAlignment(int row, int col, int* horiz, int* vert) const; /** - Disables column sizing by dragging with the mouse. - - Equivalent to passing @false to EnableDragColSize(). + Returns the background colour of the cell at the specified location. */ - void DisableDragColSize(); + wxColour GetCellBackgroundColour(int row, int col) const; /** - Disable mouse dragging of grid lines to resize rows and columns. - - Equivalent to passing @false to EnableDragGridSize() + Returns the font for text in the grid cell at the specified location. */ - void DisableDragGridSize(); + wxFont GetCellFont(int row, int col) const; /** - Disables row sizing by dragging with the mouse. - - Equivalent to passing @false to EnableDragRowSize(). + Returns the text colour for the grid cell at the specified location. */ - void DisableDragRowSize(); + wxColour GetCellTextColour(int row, int col) const; /** - Enables or disables in-place editing of grid cell data. + Returns the default cell alignment. + + Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE + or @c wxALIGN_RIGHT. + + Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or + @c wxALIGN_BOTTOM. - The grid will issue either a wxEVT_GRID_EDITOR_SHOWN or - wxEVT_GRID_EDITOR_HIDDEN event. + @see SetDefaultCellAlignment() */ - void EnableCellEditControl(bool enable = true); + void GetDefaultCellAlignment(int* horiz, int* vert) const; /** - Enables or disables column moving by dragging with the mouse. + Returns the current default background colour for grid cells. */ - void EnableDragColMove(bool enable = true); + wxColour GetDefaultCellBackgroundColour() const; /** - Enables or disables column sizing by dragging with the mouse. + Returns the current default font for grid cell text. */ - void EnableDragColSize(bool enable = true); + wxFont GetDefaultCellFont() const; /** - Enables or disables row and column resizing by dragging gridlines with the - mouse. + Returns the current default colour for grid cell text. */ - void EnableDragGridSize(bool enable = true); + wxColour GetDefaultCellTextColour() const; /** - Enables or disables row sizing by dragging with the mouse. - */ - void EnableDragRowSize(bool enable = true); + Sets the horizontal and vertical alignment for grid cell text at the + specified location. + Horizontal alignment should be one of @c wxALIGN_LEFT, + @c wxALIGN_CENTRE or @c wxALIGN_RIGHT. + + Vertical alignment should be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE + or @c wxALIGN_BOTTOM. + */ + void SetCellAlignment(int row, int col, int horiz, int vert); /** - Makes the grid globally editable or read-only. + Sets the horizontal and vertical alignment for grid cell text at the + specified location. - If the edit argument is @false this function sets the whole grid as - read-only. If the argument is @true the grid is set to the default - state where cells may be editable. In the default state you can set - single grid cells and whole rows and columns to be editable or - read-only via wxGridCellAttribute::SetReadOnly. For single cells you - can also use the shortcut function SetReadOnly(). + Horizontal alignment should be one of @c wxALIGN_LEFT, + @c wxALIGN_CENTRE or @c wxALIGN_RIGHT. - For more information about controlling grid cell attributes see the - wxGridCellAttr cell attribute class and the - @ref overview_grid "wxGrid overview". + Vertical alignment should be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE + or @c wxALIGN_BOTTOM. */ - void EnableEditing(bool edit); + void SetCellAlignment(int align, int row, int col); /** - Turns the drawing of grid lines on or off. + Set the background colour for the given cell or all cells by default. */ - void EnableGridLines(bool enable = true); + void SetCellBackgroundColour(int row, int col, const wxColour& colour); /** - Decrements the grid's batch count. + Sets the font for text in the grid cell at the specified location. + */ + void SetCellFont(int row, int col, const wxFont& font); - When the count is greater than zero repainting of the grid is - suppressed. Each previous call to BeginBatch() must be matched by a - later call to EndBatch. Code that does a lot of grid modification can - be enclosed between BeginBatch and EndBatch calls to avoid screen - flicker. The final EndBatch will cause the grid to be repainted. + /** + Sets the text colour for the given cell. + */ + void SetCellTextColour(int row, int col, const wxColour& colour); + /** + Sets the text colour for the given cell. + */ + void SetCellTextColour(const wxColour& val, int row, int col); + /** + Sets the text colour for all cells by default. + */ + void SetCellTextColour(const wxColour& colour); - @see wxGridUpdateLocker + /** + Sets the default horizontal and vertical alignment for grid cell text. + + Horizontal alignment should be one of @c wxALIGN_LEFT, + @c wxALIGN_CENTRE or @c wxALIGN_RIGHT. Vertical alignment should be one + of @c wxALIGN_TOP, @c wxALIGN_CENTRE or @c wxALIGN_BOTTOM. */ - void EndBatch(); + void SetDefaultCellAlignment(int horiz, int vert); /** - Overridden wxWindow method. + Sets the default background colour for grid cells. */ - virtual void Fit(); + void SetDefaultCellBackgroundColour(const wxColour& colour); /** - Causes immediate repainting of the grid. + Sets the default font to be used for grid cell text. + */ + void SetDefaultCellFont(const wxFont& font); - Use this instead of the usual wxWindow::Refresh. + /** + Sets the current default colour for grid cell text. */ - void ForceRefresh(); + void SetDefaultCellTextColour(const wxColour& colour); + + //@} + /** - Returns the number of times that BeginBatch() has been called - without (yet) matching calls to EndBatch(). While - the grid's batch count is greater than zero the display will not be updated. + @name Cell Values, Editors, and Renderers + + Note that wxGridCellAttr can be used alternatively to most of these + methods. See the "Attributes Management" of wxGridTableBase. + */ + //@{ + + /** + Returns @true if the in-place edit control for the current grid cell + can be used and @false otherwise. + + This function always returns @false for the read-only cells. */ - int GetBatchCount(); + bool CanEnableCellControl() const; /** - Sets the arguments to the horizontal and vertical text alignment values - for the grid cell at the specified location. + Disables in-place editing of grid cells. - Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE - or @c wxALIGN_RIGHT. + Equivalent to calling EnableCellEditControl(@false). + */ + void DisableCellEditControl(); - Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or - @c wxALIGN_BOTTOM. + /** + Enables or disables in-place editing of grid cell data. + + The grid will issue either a @c wxEVT_GRID_EDITOR_SHOWN or + @c wxEVT_GRID_EDITOR_HIDDEN event. */ - void GetCellAlignment(int row, int col, int* horiz, int* vert) const; + void EnableCellEditControl(bool enable = true); /** - Returns the background colour of the cell at the specified location. + Makes the grid globally editable or read-only. + + If the edit argument is @false this function sets the whole grid as + read-only. If the argument is @true the grid is set to the default + state where cells may be editable. In the default state you can set + single grid cells and whole rows and columns to be editable or + read-only via wxGridCellAttr::SetReadOnly(). For single cells you + can also use the shortcut function SetReadOnly(). + + For more information about controlling grid cell attributes see the + wxGridCellAttr class and the @ref overview_grid. */ - wxColour GetCellBackgroundColour(int row, int col) const; + void EnableEditing(bool edit); /** Returns a pointer to the editor for the cell at the specified location. - See wxGridCellEditor and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. + See wxGridCellEditor and the @ref overview_grid for more information + about cell editors and renderers. The caller must call DecRef() on the returned pointer. */ wxGridCellEditor* GetCellEditor(int row, int col) const; - /** - Returns the font for text in the grid cell at the specified location. - */ - wxFont GetCellFont(int row, int col) const; - /** Returns a pointer to the renderer for the grid cell at the specified location. - See wxGridCellRenderer and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. + See wxGridCellRenderer and the @ref overview_grid for more information + about cell editors and renderers. The caller must call DecRef() on the returned pointer. */ wxGridCellRenderer* GetCellRenderer(int row, int col) const; - /** - Returns the text colour for the grid cell at the specified location. - */ - wxColour GetCellTextColour(int row, int col) const; - - //@{ /** Returns the string contained in the cell at the specified location. @@ -1538,134 +2441,59 @@ public: data types (e.g. numeric, boolean or user-defined custom types) then you only use this function for those cells that contain string values. - See wxGridTableBase::CanGetValueAs and the @ref overview_grid "wxGrid overview" - for more information. + See wxGridTableBase::CanGetValueAs() and the @ref overview_grid for + more information. */ wxString GetCellValue(int row, int col) const; - const wxString GetCellValue(const wxGridCellCoords& coords) const; - //@} - /** - Returns the column ID of the specified column position. + Returns the string contained in the cell at the specified location. + + For simple applications where a grid object automatically uses a + default grid table of string values you use this function together with + SetCellValue() to access cell values. For more complex applications + where you have derived your own grid table class that contains various + data types (e.g. numeric, boolean or user-defined custom types) then + you only use this function for those cells that contain string values. + + See wxGridTableBase::CanGetValueAs() and the @ref overview_grid for + more information. */ - int GetColAt(int colPos) const; + wxString GetCellValue(const wxGridCellCoords& coords) const; /** - Returns the pen used for vertical grid lines. - - This virtual function may be overridden in derived classes in order to - change the appearance of individual grid lines for the given column @e - col. + Returns a pointer to the current default grid cell editor. - See GetRowGridLinePen() for an example. + See wxGridCellEditor and the @ref overview_grid for more information + about cell editors and renderers. */ - virtual wxPen GetColGridLinePen(int col); + wxGridCellEditor* GetDefaultEditor() const; /** - Sets the arguments to the current column label alignment values. + Returns the default editor for the specified cell. - Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE - or @c wxALIGN_RIGHT. + The base class version returns the editor appropriate for the current + cell type but this method may be overridden in the derived classes to + use custom editors for some cells by default. - Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or - @c wxALIGN_BOTTOM. - */ - void GetColLabelAlignment(int* horiz, int* vert) const; + Notice that the same may be achieved in a usually simpler way by + associating a custom editor with the given cell or cells. - /** - Returns the current height of the column labels. + The caller must call DecRef() on the returned pointer. */ - int GetColLabelSize() const; - + virtual wxGridCellEditor* GetDefaultEditorForCell(int row, int col) const; /** - Returns the specified column label. + Returns the default editor for the specified cell. - The default grid table class provides column labels of the form - A,B...Z,AA,AB...ZZ,AAA... If you are using a custom grid table you can - override wxGridTableBase::GetColLabelValue to provide your own labels. - */ - wxString GetColLabelValue(int col) const; + The base class version returns the editor appropriate for the current + cell type but this method may be overridden in the derived classes to + use custom editors for some cells by default. - /** - Returns the minimal width to which a column may be resized. + Notice that the same may be achieved in a usually simpler way by + associating a custom editor with the given cell or cells. - Use SetColMinimalAcceptableWidth() to change this value globally or - SetColMinimalWidth() to do it for individual columns. + The caller must call DecRef() on the returned pointer. */ - int GetColMinimalAcceptableWidth() const; - - /** - Returns the position of the specified column. - */ - int GetColPos(int colID) const; - - /** - Returns the width of the specified column. - */ - int GetColSize(int col) const; - - /** - Returns the default cell alignment. - - Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE - or @c wxALIGN_RIGHT. - - Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or - @c wxALIGN_BOTTOM. - - @see SetDefaultCellAlignment() - */ - void GetDefaultCellAlignment(int* horiz, int* vert) const; - - /** - Returns the current default background colour for grid cells. - */ - wxColour GetDefaultCellBackgroundColour() const; - - /** - Returns the current default font for grid cell text. - */ - wxFont GetDefaultCellFont() const; - - /** - Returns the current default colour for grid cell text. - */ - wxColour GetDefaultCellTextColour() const; - - /** - Returns the default height for column labels. - */ - int GetDefaultColLabelSize() const; - - /** - Returns the current default width for grid columns. - */ - int GetDefaultColSize() const; - - /** - Returns a pointer to the current default grid cell editor. - - See wxGridCellEditor and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. - */ - wxGridCellEditor* GetDefaultEditor() const; - - //@{ - /** - Returns the default editor for the specified cell. - - The base class version returns the editor appropriate for the current - cell type but this method may be overridden in the derived classes to - use custom editors for some cells by default. - - Notice that the same may be usually achieved in simpler way by - associating a custom editor with the given cell or cells. - - The caller must call DecRef() on the returned pointer. - */ - virtual wxGridCellEditor* GetDefaultEditorForCell(int row, int col) const; - wxGridCellEditor* GetDefaultEditorForCell(const wxGridCellCoords& c) const; - //@} + wxGridCellEditor* GetDefaultEditorForCell(const wxGridCellCoords& c) const; /** Returns the default editor for the cells containing values of the given @@ -1678,25 +2506,13 @@ public: The caller must call DecRef() on the returned pointer. */ - virtual wxGridCellEditor * - GetDefaultEditorForType(const wxString& typeName) const; - - /** - Returns the pen used for grid lines. - - This virtual function may be overridden in derived classes in order to - change the appearance of grid lines. Note that currently the pen width - must be 1. - - @see GetColGridLinePen(), GetRowGridLinePen() - */ - virtual wxPen GetDefaultGridLinePen(); + virtual wxGridCellEditor* GetDefaultEditorForType(const wxString& typeName) const; /** Returns a pointer to the current default grid cell renderer. - See wxGridCellRenderer and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. + See wxGridCellRenderer and the @ref overview_grid for more information + about cell editors and renderers. The caller must call DecRef() on the returned pointer. */ @@ -1711,7 +2527,7 @@ public: The caller must call DecRef() on the returned pointer. */ - virtual wxGridCellRenderer *GetDefaultRendererForCell(int row, int col) const; + virtual wxGridCellRenderer* GetDefaultRendererForCell(int row, int col) const; /** Returns the default renderer for the cell containing values of the @@ -1719,853 +2535,1557 @@ public: @see GetDefaultEditorForType() */ - virtual wxGridCellRenderer * - GetDefaultRendererForType(const wxString& typeName) const; + virtual wxGridCellRenderer* GetDefaultRendererForType(const wxString& typeName) const; /** - Returns the default width for the row labels. + Hides the in-place cell edit control. */ - int GetDefaultRowLabelSize() const; + void HideCellEditControl(); /** - Returns the current default height for grid rows. + Returns @true if the in-place edit control is currently enabled. */ - int GetDefaultRowSize() const; + bool IsCellEditControlEnabled() const; /** - Returns the current grid cell column position. - */ - int GetGridCursorCol() const; + Returns @true if the current cell is read-only. - /** - Returns the current grid cell row position. + @see SetReadOnly(), IsReadOnly() */ - int GetGridCursorRow() const; + bool IsCurrentCellReadOnly() const; /** - Returns the colour used for grid lines. + Returns @false if the whole grid has been set as read-only or @true + otherwise. - @see GetDefaultGridLinePen() + See EnableEditing() for more information about controlling the editing + status of grid cells. */ - wxColour GetGridLineColour() const; + bool IsEditable() const; /** - Returns the colour used for the background of row and column labels. - */ - wxColour GetLabelBackgroundColour() const; + Returns @true if the cell at the specified location can't be edited. - /** - Returns the font used for row and column labels. + @see SetReadOnly(), IsCurrentCellReadOnly() */ - wxFont GetLabelFont() const; + bool IsReadOnly(int row, int col) const; /** - Returns the colour used for row and column label text. - */ - wxColour GetLabelTextColour() const; + Register a new data type. - /** - Returns the total number of grid columns. + The data types allow to naturally associate specific renderers and + editors to the cells containing values of the given type. For example, + the grid automatically registers a data type with the name + @c wxGRID_VALUE_STRING which uses wxGridCellStringRenderer and + wxGridCellTextEditor as its renderer and editor respectively -- this is + the data type used by all the cells of the default wxGridStringTable, + so this renderer and editor are used by default for all grid cells. + + However if a custom table returns @c wxGRID_VALUE_BOOL from its + wxGridTableBase::GetTypeName() method, then wxGridCellBoolRenderer and + wxGridCellBoolEditor are used for it because the grid also registers a + boolean data type with this name. + + And as this mechanism is completely generic, you may register your own + data types using your own custom renderers and editors. Just remember + that the table must identify a cell as being of the given type for them + to be used for this cell. - This is the same as the number of columns in the underlying grid - table. + @param typeName + Name of the new type. May be any string, but if the type name is + the same as the name of an already registered type, including one + of the standard ones (which are @c wxGRID_VALUE_STRING, @c + wxGRID_VALUE_BOOL, @c wxGRID_VALUE_NUMBER, @c wxGRID_VALUE_FLOAT + and @c wxGRID_VALUE_CHOICE), then the new registration information + replaces the previously used renderer and editor. + @param renderer + The renderer to use for the cells of this type. Its ownership is + taken by the grid, i.e. it will call DecRef() on this pointer when + it doesn't need it any longer. + @param editor + The editor to use for the cells of this type. Its ownership is also + taken by the grid. */ - int GetNumberCols() const; + void RegisterDataType(const wxString& typeName, + wxGridCellRenderer* renderer, + wxGridCellEditor* editor); /** - Returns the total number of grid rows. + Sets the value of the current grid cell to the current in-place edit + control value. - This is the same as the number of rows in the underlying grid table. + This is called automatically when the grid cursor moves from the + current cell to a new cell. It is also a good idea to call this + function when closing a grid since any edits to the final cell location + will not be saved otherwise. */ - int GetNumberRows() const; + void SaveEditControlValue(); /** - Returns the attribute for the given cell creating one if necessary. + Sets the editor for the grid cell at the specified location. - If the cell already has an attribute, it is returned. Otherwise a new - attribute is created, associated with the cell and returned. In any - case the caller must call DecRef() on the returned pointer. + The grid will take ownership of the pointer. - This function may only be called if CanHaveAttributes() returns @true. + See wxGridCellEditor and the @ref overview_grid for more information + about cell editors and renderers. */ - wxGridCellAttr *GetOrCreateCellAttr(int row, int col) const; + void SetCellEditor(int row, int col, wxGridCellEditor* editor); /** - Returns the pen used for horizontal grid lines. + Sets the renderer for the grid cell at the specified location. - This virtual function may be overridden in derived classes in order to - change the appearance of individual grid line for the given row @e row. + The grid will take ownership of the pointer. - Example: - @code - // in a grid displaying music notation, use a solid black pen between - // octaves (C0=row 127, C1=row 115 etc.) - wxPen MidiGrid::GetRowGridLinePen(int row) - { - if ( row % 12 == 7 ) - return wxPen(*wxBLACK, 1, wxSOLID); - else - return GetDefaultGridLinePen(); - } - @endcode + See wxGridCellRenderer and the @ref overview_grid for more information + about cell editors and renderers. */ - virtual wxPen GetRowGridLinePen(int row); + void SetCellRenderer(int row, int col, wxGridCellRenderer* renderer); /** - Returns the alignment used for row labels. + Sets the string value for the cell at the specified location. - Horizontal alignment will be one of @c wxALIGN_LEFT, @c wxALIGN_CENTRE - or @c wxALIGN_RIGHT. + For simple applications where a grid object automatically uses a + default grid table of string values you use this function together with + GetCellValue() to access cell values. For more complex applications + where you have derived your own grid table class that contains various + data types (e.g. numeric, boolean or user-defined custom types) then + you only use this function for those cells that contain string values. - Vertical alignment will be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE or - @c wxALIGN_BOTTOM. + See wxGridTableBase::CanSetValueAs() and the @ref overview_grid for + more information. */ - void GetRowLabelAlignment(int* horiz, int* vert) const; - + void SetCellValue(int row, int col, const wxString& s); /** - Returns the current width of the row labels. - */ - int GetRowLabelSize() const; + Sets the string value for the cell at the specified location. - /** - Returns the specified row label. + For simple applications where a grid object automatically uses a + default grid table of string values you use this function together with + GetCellValue() to access cell values. For more complex applications + where you have derived your own grid table class that contains various + data types (e.g. numeric, boolean or user-defined custom types) then + you only use this function for those cells that contain string values. - The default grid table class provides numeric row labels. If you are - using a custom grid table you can override - wxGridTableBase::GetRowLabelValue to provide your own labels. + See wxGridTableBase::CanSetValueAs() and the @ref overview_grid for + more information. */ - wxString GetRowLabelValue(int row) const; - + void SetCellValue(const wxGridCellCoords& coords, const wxString& s); /** - Returns the minimal size to which rows can be resized. + @deprecated Please use SetCellValue(int,int,const wxString&) or + SetCellValue(const wxGridCellCoords&,const wxString&) + instead. - Use SetRowMinimalAcceptableHeight() to change this value globally or - SetRowMinimalHeight() to do it for individual cells. + Sets the string value for the cell at the specified location. - @see GetColMinimalAcceptableWidth() + For simple applications where a grid object automatically uses a + default grid table of string values you use this function together with + GetCellValue() to access cell values. For more complex applications + where you have derived your own grid table class that contains various + data types (e.g. numeric, boolean or user-defined custom types) then + you only use this function for those cells that contain string values. + + See wxGridTableBase::CanSetValueAs() and the @ref overview_grid for + more information. */ - int GetRowMinimalAcceptableHeight() const; + void SetCellValue(const wxString& val, int row, int col); /** - Returns the height of the specified row. + Sets the specified column to display boolean values. + + @see SetColFormatCustom() */ - int GetRowSize(int row) const; + void SetColFormatBool(int col); /** - Returns the number of pixels per horizontal scroll increment. + Sets the specified column to display data in a custom format. - The default is 15. + This method provides an alternative to defining a custom grid table + which would return @a typeName from its GetTypeName() method for the + cells in this column: while it doesn't really change the type of the + cells in this column, it does associate the renderer and editor used + for the cells of the specified type with them. - @see GetScrollLineY(), SetScrollLineX(), SetScrollLineY() + See the @ref overview_grid for more information on working with custom + data types. */ - int GetScrollLineX() const; + void SetColFormatCustom(int col, const wxString& typeName); /** - Returns the number of pixels per vertical scroll increment. - - The default is 15. + Sets the specified column to display floating point values with the + given width and precision. - @see GetScrollLineX(), SetScrollLineX(), SetScrollLineY() + @see SetColFormatCustom() */ - int GetScrollLineY() const; + void SetColFormatFloat(int col, int width = -1, int precision = -1); /** - Returns an array of individually selected cells. + Sets the specified column to display integer values. - Notice that this array does @em not contain all the selected cells in - general as it doesn't include the cells selected as part of column, row - or block selection. You must use this method, GetSelectedCols(), - GetSelectedRows() and GetSelectionBlockTopLeft() and - GetSelectionBlockBottomRight() methods to obtain the entire selection - in general. - - Please notice this behaviour is by design and is needed in order to - support grids of arbitrary size (when an entire column is selected in - a grid with a million of columns, we don't want to create an array with - a million of entries in this function, instead it returns an empty - array and GetSelectedCols() returns an array containing one element). + @see SetColFormatCustom() */ - wxGridCellCoordsArray GetSelectedCells() const; + void SetColFormatNumber(int col); /** - Returns an array of selected columns. + Sets the default editor for grid cells. - Please notice that this method alone is not sufficient to find all the - selected columns as it contains only the columns which were - individually selected but not those being part of the block selection - or being selected in virtue of all of their cells being selected - individually, please see GetSelectedCells() for more details. + The grid will take ownership of the pointer. + + See wxGridCellEditor and the @ref overview_grid for more information + about cell editors and renderers. */ - wxArrayInt GetSelectedCols() const; + void SetDefaultEditor(wxGridCellEditor* editor); /** - Returns an array of selected rows. + Sets the default renderer for grid cells. - Please notice that this method alone is not sufficient to find all the - selected rows as it contains only the rows which were individually - selected but not those being part of the block selection or being - selected in virtue of all of their cells being selected individually, - please see GetSelectedCells() for more details. + The grid will take ownership of the pointer. + + See wxGridCellRenderer and the @ref overview_grid for more information + about cell editors and renderers. */ - wxArrayInt GetSelectedRows() const; + void SetDefaultRenderer(wxGridCellRenderer* renderer); /** - Access or update the selection fore/back colours + Makes the cell at the specified location read-only or editable. + + @see IsReadOnly() */ - wxColour GetSelectionBackground() const; + void SetReadOnly(int row, int col, bool isReadOnly = true); /** - Returns an array of the bottom right corners of blocks of selected - cells. + Displays the in-place cell edit control for the current cell. + */ + void ShowCellEditControl(); - Please see GetSelectedCells() for more information about the selection - representation in wxGrid. + //@} - @see GetSelectionBlockTopLeft() - */ - wxGridCellCoordsArray GetSelectionBlockBottomRight() const; /** - Returns an array of the top left corners of blocks of selected cells. + @name Column and Row Sizes - Please see GetSelectedCells() for more information about the selection - representation in wxGrid. - - @see GetSelectionBlockBottomRight() - */ - wxGridCellCoordsArray GetSelectionBlockTopLeft() const; + @see @ref overview_grid_resizing + */ + //@{ /** - Returns the colour used for drawing the selection foreground. + Automatically sets the height and width of all rows and columns to fit + their contents. */ - wxColour GetSelectionForeground() const; + void AutoSize(); /** - Returns the current selection mode. - - @see SetSelectionMode(). + Automatically adjusts width of the column to fit its label. */ - wxGridSelectionModes GetSelectionMode() const; + void AutoSizeColLabelSize(int col); /** - Returns a base pointer to the current table object. - - The returned pointer is still owned by the grid. + Automatically sizes the column to fit its contents. If @a setAsMin is + @true the calculated width will also be set as the minimal width for + the column. */ - wxGridTableBase *GetTable() const; + void AutoSizeColumn(int col, bool setAsMin = true); - //@{ /** - Make the given cell current and ensure it is visible. - - This method is equivalent to calling MakeCellVisible() and - SetGridCursor() and so, as with the latter, a wxEVT_GRID_SELECT_CELL - event is generated by it and the selected cell doesn't change if the - event is vetoed. - */ - void GoToCell(int row, int col); - void GoToCell(const wxGridCellCoords& coords); - //@} + Automatically sizes all columns to fit their contents. If @a setAsMin + is @true the calculated widths will also be set as the minimal widths + for the columns. + */ + void AutoSizeColumns(bool setAsMin = true); /** - Returns @true if drawing of grid lines is turned on, @false otherwise. + Automatically sizes the row to fit its contents. If @a setAsMin is + @true the calculated height will also be set as the minimal height for + the row. */ - bool GridLinesEnabled() const; + void AutoSizeRow(int row, bool setAsMin = true); /** - Hides the in-place cell edit control. + Automatically adjusts height of the row to fit its label. */ - void HideCellEditControl(); + void AutoSizeRowLabelSize(int col); /** - Hides the column labels by calling SetColLabelSize() - with a size of 0. Show labels again by calling that method with - a width greater than 0. + Automatically sizes all rows to fit their contents. If @a setAsMin is + @true the calculated heights will also be set as the minimal heights + for the rows. */ - void HideColLabels(); + void AutoSizeRows(bool setAsMin = true); /** - Hides the row labels by calling SetRowLabelSize() with a size of 0. - - The labels can be shown again by calling SetRowLabelSize() with a width - greater than 0. + Returns the current height of the column labels. */ - void HideRowLabels(); + int GetColLabelSize() const; /** - Inserts one or more new columns into a grid with the first new column - at the specified position. + Returns the minimal width to which a column may be resized. - Notice that inserting the columns in the grid requires grid table - cooperation: when this method is called, grid object begins by - requesting the underlying grid table to insert new columns. If this is - successful the table notifies the grid and the grid updates the - display. For a default grid (one where you have called - wxGrid::CreateGrid) this process is automatic. If you are using a - custom grid table (specified with wxGrid::SetTable) then you must - override wxGridTableBase::InsertCols() in your derived table class. + Use SetColMinimalAcceptableWidth() to change this value globally or + SetColMinimalWidth() to do it for individual columns. - @param pos - The position which the first newly inserted column will have. - @param numCols - The number of columns to insert. - @param updateLabels - Currently not used. - @return - @true if the columns were successfully inserted, @false if an error - occurred (most likely the table couldn't be updated). + @see GetRowMinimalAcceptableHeight() */ - bool InsertCols(int pos = 0, int numCols = 1, bool updateLabels = true); + int GetColMinimalAcceptableWidth() const; /** - Inserts one or more new rows into a grid with the first new row at the - specified position. + Returns the width of the specified column. + */ + int GetColSize(int col) const; - Notice that you must implement wxGridTableBase::InsertRows() if you use - a grid with a custom table, please see InsertCols() for more - information. + /** + Returns @true if the specified column is not currently hidden. + */ + bool IsColShown(int col) const; - @param pos - The position which the first newly inserted row will have. - @param numRows - The number of rows to insert. - @param updateLabels - Currently not used. - @return - @true if the rows were successfully inserted, @false if an error - occurred (most likely the table couldn't be updated). + /** + Returns the default height for column labels. */ - bool InsertRows(int pos = 0, int numRows = 1, bool updateLabels = true); + int GetDefaultColLabelSize() const; /** - Returns @true if the in-place edit control is currently enabled. + Returns the current default width for grid columns. */ - bool IsCellEditControlEnabled() const; + int GetDefaultColSize() const; /** - Returns @true if the current cell is read-only. + Returns the default width for the row labels. + */ + int GetDefaultRowLabelSize() const; - @see SetReadOnly(), IsReadOnly() + /** + Returns the current default height for grid rows. */ - bool IsCurrentCellReadOnly() const; + int GetDefaultRowSize() const; /** - Returns @false if the whole grid has been set as read-only or @true - otherwise. + Returns the minimal size to which rows can be resized. - See EnableEditing() for more information about controlling the editing - status of grid cells. + Use SetRowMinimalAcceptableHeight() to change this value globally or + SetRowMinimalHeight() to do it for individual cells. + + @see GetColMinimalAcceptableWidth() */ - bool IsEditable() const; + int GetRowMinimalAcceptableHeight() const; - //@{ /** - Is this cell currently selected? + Returns the current width of the row labels. */ - bool IsInSelection(int row, int col) const; - bool IsInSelection(const wxGridCellCoords& coords) const; - //@} + int GetRowLabelSize() const; /** - Returns @true if the cell at the specified location can't be edited. - - @see SetReadOnly(), IsCurrentCellReadOnly() + Returns the height of the specified row. */ - bool IsReadOnly(int row, int col) const; + int GetRowSize(int row) const; /** - Returns @true if there are currently any selected cells, rows, columns - or blocks. - */ - bool IsSelection() const; + Returns @true if the specified row is not currently hidden. + */ + bool IsRowShown(int row) const; - //@{ /** - Returns @true if a cell is either wholly or at least partially visible - in the grid window. + Sets the height of the column labels. - By default, the cell must be entirely visible for this function to - return true but if @a wholeCellVisible is @false, the function returns - @true even if the cell is only partially visible. + If @a height equals to @c wxGRID_AUTOSIZE then height is calculated + automatically so that no label is truncated. Note that this could be + slow for a large table. */ - bool IsVisible(int row, int col, bool wholeCellVisible = true) const; - bool IsVisible(const wxGridCellCoords& coords, - bool wholeCellVisible = true) const; - //@} + void SetColLabelSize(int height); - //@{ /** - Brings the specified cell into the visible grid cell area with minimal - scrolling. + Sets the minimal @a width to which the user can resize columns. - Does nothing if the cell is already visible. + @see GetColMinimalAcceptableWidth() */ - void MakeCellVisible(int row, int col); - void MakeCellVisible(const wxGridCellCoords& coords); - //@} + void SetColMinimalAcceptableWidth(int width); /** - Moves the grid cursor down by one row. + Sets the minimal @a width for the specified column @a col. - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. + It is usually best to call this method during grid creation as calling + it later will not resize the column to the given minimal width even if + it is currently narrower than it. + + @a width must be greater than the minimal acceptable column width as + returned by GetColMinimalAcceptableWidth(). */ - bool MoveCursorDown(bool expandSelection); + void SetColMinimalWidth(int col, int width); /** - Moves the grid cursor down in the current column such that it skips to - the beginning or end of a block of non-empty cells. + Sets the width of the specified column. - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. + @param col + The column index. + @param width + The new column width in pixels, 0 to hide the column or -1 to fit + the column width to its label width. */ - bool MoveCursorDownBlock(bool expandSelection); + void SetColSize(int col, int width); /** - Moves the grid cursor left by one column. + Hides the specified column. - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. - */ - bool MoveCursorLeft(bool expandSelection); + To show the column later you need to call SetColSize() with non-0 + width or ShowCol(). + + @param col + The column index. + */ + void HideCol(int col); /** - Moves the grid cursor left in the current row such that it skips to the - beginning or end of a block of non-empty cells. + Shows the previously hidden column by resizing it to non-0 size. + + @see HideCol(), SetColSize() + */ + void ShowCol(int col); - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. - */ - bool MoveCursorLeftBlock(bool expandSelection); /** - Moves the grid cursor right by one column. + Sets the default width for columns in the grid. - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. + This will only affect columns subsequently added to the grid unless + @a resizeExistingCols is @true. + + If @a width is less than GetColMinimalAcceptableWidth(), then the + minimal acceptable width is used instead of it. */ - bool MoveCursorRight(bool expandSelection); + void SetDefaultColSize(int width, bool resizeExistingCols = false); /** - Moves the grid cursor right in the current row such that it skips to - the beginning or end of a block of non-empty cells. + Sets the default height for rows in the grid. - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. + This will only affect rows subsequently added to the grid unless + @a resizeExistingRows is @true. + + If @a height is less than GetRowMinimalAcceptableHeight(), then the + minimal acceptable height is used instead of it. */ - bool MoveCursorRightBlock(bool expandSelection); + void SetDefaultRowSize(int height, bool resizeExistingRows = false); /** - Moves the grid cursor up by one row. + Sets the width of the row labels. - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. + If @a width equals @c wxGRID_AUTOSIZE then width is calculated + automatically so that no label is truncated. Note that this could be + slow for a large table. */ - bool MoveCursorUp(bool expandSelection); + void SetRowLabelSize(int width); /** - Moves the grid cursor up in the current column such that it skips to - the beginning or end of a block of non-empty cells. + Sets the minimal row @a height used by default. - If a block of cells was previously selected it will expand if the - argument is @true or be cleared if the argument is @false. + See SetColMinimalAcceptableWidth() for more information. */ - bool MoveCursorUpBlock(bool expandSelection); + void SetRowMinimalAcceptableHeight(int height); /** - Moves the grid cursor down by some number of rows so that the previous - bottom visible row becomes the top visible row. + Sets the minimal @a height for the specified @a row. + + See SetColMinimalWidth() for more information. */ - bool MovePageDown(); + void SetRowMinimalHeight(int row, int height); /** - Moves the grid cursor up by some number of rows so that the previous - top visible row becomes the bottom visible row. + Sets the height of the specified row. + + See SetColSize() for more information. */ - bool MovePageUp(); + void SetRowSize(int row, int height); /** - Register a new data type. + Hides the specified row. - The data types allow to naturally associate specific renderers and - editors to the cells containing values of the given type. For example, - the grid automatically registers a data type with the name @c - wxGRID_VALUE_STRING which uses wxGridCellStringRenderer and - wxGridCellTextEditor as its renderer and editor respectively -- this is - the data type used by all the cells of the default wxGridStringTable, - so this renderer and editor are used by default for all grid cells. + To show the row later you need to call SetRowSize() with non-0 + width or ShowRow(). - However if a custom table returns @c wxGRID_VALUE_BOOL from its - wxGridTableBase::GetTypeName() method, then wxGridCellBoolRenderer and - wxGridCellBoolEditor are used for it because the grid also registers a - boolean data type with this name. + @param col + The row index. + */ + void HideRow(int col); - And as this mechanism is completely generic, you may register your own - data types using your own custom renderers and editors. Just remember - that the table must identify a cell as being of the given type for them - to be used for this cell. + /** + Shows the previously hidden row by resizing it to non-0 size. - @param typeName - Name of the new type. May be any string, but if the type name is - the same as the name of an already registered type, including one - of the standard ones (which are @c wxGRID_VALUE_STRING, @c - wxGRID_VALUE_BOOL, @c wxGRID_VALUE_NUMBER, @c wxGRID_VALUE_FLOAT - and @c wxGRID_VALUE_CHOICE), then the new registration information - replaces the previously used renderer and editor. - @param renderer - The renderer to use for the cells of this type. Its ownership is - taken by the grid, i.e. it will call DecRef() on this pointer when - it doesn't need it any longer. - @param editor - The editor to use for the cells of this type. Its ownership is also - taken by the grid. - */ - void RegisterDataType(const wxString& typeName, - wxGridCellRenderer* renderer, - wxGridCellEditor* editor); + @see HideRow(), SetRowSize() + */ + void ShowRow(int col); /** - Sets the value of the current grid cell to the current in-place edit - control value. + Get size information for all columns at once. - This is called automatically when the grid cursor moves from the - current cell to a new cell. It is also a good idea to call this - function when closing a grid since any edits to the final cell location - will not be saved otherwise. - */ - void SaveEditControlValue(); + This method is useful when the information about all column widths + needs to be saved. The widths can be later restored using + SetColSizes(). - /** - Selects all cells in the grid. - */ - void SelectAll(); + @sa wxGridSizesInfo, GetRowSizes() + */ + wxGridSizesInfo GetColSizes() const; - //@{ /** - Selects a rectangular block of cells. + Get size information for all row at once. - If @a addToSelected is @false then any existing selection will be - deselected; if @true the column will be added to the existing - selection. - */ - void SelectBlock(int topRow, int leftCol, int bottomRow, int rightCol, - bool addToSelected = false); - void SelectBlock(const wxGridCellCoords& topLeft, - const wxGridCellCoords& bottomRight, - bool addToSelected = false); - //@} + @sa wxGridSizesInfo, GetColSizes() + */ + wxGridSizesInfo GetRowSizes() const; /** - Selects the specified column. + Restore all columns sizes. - If @a addToSelected is @false then any existing selection will be - deselected; if @true the column will be added to the existing - selection. + This is usually called with wxGridSizesInfo object previously returned + by GetColSizes(). - This method won't select anything if the current selection mode is - wxGridSelectRows. - */ - void SelectCol(int col, bool addToSelected = false); + @sa SetRowSizes() + */ + void SetColSizes(const wxGridSizesInfo& sizeInfo); /** - Selects the specified row. + Restore all rows sizes. - If @a addToSelected is @false then any existing selection will be - deselected; if @true the row will be added to the existing selection. - - This method won't select anything if the current selection mode is - wxGridSelectColumns. - */ - void SelectRow(int row, bool addToSelected = false); + @sa SetColSizes() + */ + void SetRowSizes(const wxGridSizesInfo& sizeInfo); - //@{ /** - Sets the horizontal and vertical alignment for grid cell text at the - specified location. + Set the size of the cell. - Horizontal alignment should be one of @c wxALIGN_LEFT, @c - wxALIGN_CENTRE or @c wxALIGN_RIGHT. + Specifying a value of more than 1 in @a num_rows or @a num_cols will + make the cell at (@a row, @a col) span the block of the specified size, + covering the other cells which would be normally shown in it. Passing 1 + for both arguments resets the cell to normal appearance. - Vertical alignment should be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE - or @c wxALIGN_BOTTOM. - */ - void SetCellAlignment(int row, int col, int horiz, int vert); - void SetCellAlignment(int align, int row, int col); - //@} + @see GetCellSize() - //@{ - /** - Set the background colour for the given cell or all cells by default. - */ - void SetCellBackgroundColour(int row, int col, const wxColour& colour); - //@} + @param row + The row of the cell. + @param col + The column of the cell. + @param num_rows + Number of rows to be occupied by this cell, must be >= 1. + @param num_cols + Number of columns to be occupied by this cell, must be >= 1. + */ + void SetCellSize(int row, int col, int num_rows, int num_cols); /** - Sets the editor for the grid cell at the specified location. + Get the size of the cell in number of cells covered by it. - The grid will take ownership of the pointer. + For normal cells, the function fills both @a num_rows and @a num_cols + with 1 and returns CellSpan_None. For cells which span multiple cells, i.e. + for which SetCellSize() had been called, the returned values are the + same ones as were passed to SetCellSize() call and the function return + value is CellSpan_Main. - See wxGridCellEditor and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. - */ - void SetCellEditor(int row, int col, wxGridCellEditor* editor); + More unexpectedly, perhaps, the returned values may be @em negative for + the cells which are inside a span covered by a cell occupying multiple + rows or columns. They correspond to the offset of the main cell of the + span from the cell passed to this functions and the function returns + CellSpan_Inside value to indicate this. + + As an example, consider a 3*3 grid with the cell (1, 1) (the one in the + middle) having a span of 2 rows and 2 columns, i.e. the grid looks like + @code + +----+----+----+ + | | | | + +----+----+----+ + | | | + +----+ | + | | | + +----+----+----+ + @endcode + Then the function returns 2 and 2 in @a num_rows and @a num_cols for + the cell (1, 1) itself and -1 and -1 for the cell (2, 2) as well as -1 + and 0 for the cell (2, 1). + + @param row + The row of the cell. + @param col + The column of the cell. + @param num_rows + Pointer to variable receiving the number of rows, must not be @NULL. + @param num_cols + Pointer to variable receiving the number of columns, must not be + @NULL. + @return + The kind of this cell span (the return value is new in wxWidgets + 2.9.1, this function was void in previous wxWidgets versions). + */ + CellSpan GetCellSize( int row, int col, int *num_rows, int *num_cols ) const; /** - Sets the font for text in the grid cell at the specified location. - */ - void SetCellFont(int row, int col, const wxFont& font); + Get the number of rows and columns allocated for this cell. + + This overload doesn't return a CellSpan value but the values returned + may still be negative, see GetCellSize(int, int, int *, int *) for + details. + */ + wxSize GetCellSize(const wxGridCellCoords& coords); + + //@} + /** - Sets the renderer for the grid cell at the specified location. + @name User-Resizing and Dragging - The grid will take ownership of the pointer. + Functions controlling various interactive mouse operations. - See wxGridCellRenderer and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. - */ - void SetCellRenderer(int row, int col, wxGridCellRenderer* renderer); + By default, columns and rows can be resized by dragging the edges of + their labels (this can be disabled using DisableDragColSize() and + DisableDragRowSize() methods). And if grid line dragging is enabled with + EnableDragGridSize() they can also be resized by dragging the right or + bottom edge of the grid cells. + Columns can also be moved to interactively change their order but this + needs to be explicitly enabled with EnableDragColMove(). + */ //@{ + /** - Sets the text colour for the given cell or all cells by default. + Return @true if the dragging of cells is enabled or @false otherwise. */ - void SetCellTextColour(int row, int col, const wxColour& colour); - void SetCellTextColour(const wxColour& val, int row, int col); - void SetCellTextColour(const wxColour& colour); - //@} + bool CanDragCell() const; - //@{ /** - Sets the string value for the cell at the specified location. - - For simple applications where a grid object automatically uses a - default grid table of string values you use this function together with - GetCellValue() to access cell values. For more complex applications - where you have derived your own grid table class that contains various - data types (e.g. numeric, boolean or user-defined custom types) then - you only use this function for those cells that contain string values. - The last form is for backward compatibility only. + Returns @true if columns can be moved by dragging with the mouse. - See wxGridTableBase::CanSetValueAs and the @ref overview_grid - "wxGrid overview" for more information. + Columns can be moved by dragging on their labels. */ - void SetCellValue(int row, int col, const wxString& s); - void SetCellValue(const wxGridCellCoords& coords, const wxString& s); - void SetCellValue(const wxString& val, int row, int col); - //@} + bool CanDragColMove() const; /** - Sets the cell attributes for all cells in the specified column. + Returns @true if the given column can be resized by dragging with the + mouse. - For more information about controlling grid cell attributes see the - wxGridCellAttr cell attribute class and the @ref overview_grid "wxGrid overview". + This function returns @true if resizing the columns interactively is + globally enabled, i.e. if DisableDragColSize() hadn't been called, and + if this column wasn't explicitly marked as non-resizable with + DisableColResize(). */ - void SetColAttr(int col, wxGridCellAttr* attr); + bool CanDragColSize(int col) const; /** - Sets the specified column to display boolean values. - - @see SetColFormatCustom() + Return @true if the dragging of grid lines to resize rows and columns + is enabled or @false otherwise. */ - void SetColFormatBool(int col); + bool CanDragGridSize() const; /** - Sets the specified column to display data in a custom format. - - This method provides an alternative to defining a custom grid table - which would return @a typeName from its GetTypeName() method for the - cells in this column: while it doesn't really change the type of the - cells in this column, it does associate the renderer and editor used - for the cells of the specified type with them. + Returns @true if the given row can be resized by dragging with the + mouse. - See the @ref overview_grid "wxGrid overview" for more - information on working with custom data types. + This is the same as CanDragColSize() but for rows. */ - void SetColFormatCustom(int col, const wxString& typeName); + bool CanDragRowSize(int row) const; /** - Sets the specified column to display floating point values with the - given width and precision. + Disable interactive resizing of the specified column. - @see SetColFormatCustom() - */ - void SetColFormatFloat(int col, int width = -1, int precision = -1); + This method allows to disable resizing of an individual column in a + grid where the columns are otherwise resizable (which is the case by + default). - /** - Sets the specified column to display integer values. + Notice that currently there is no way to make some columns resizable in + a grid where columns can't be resized by default as there doesn't seem + to be any need for this in practice. There is also no way to make the + column marked as fixed using this method resizable again because it is + supposed that fixed columns are used for static parts of the grid and + so should remain fixed during the entire grid lifetime. - @see SetColFormatCustom() - */ - void SetColFormatNumber(int col); + Also notice that disabling interactive column resizing will not prevent + the program from changing the column size. + + @see EnableDragColSize() + */ + void DisableColResize(int col); /** - Sets the horizontal and vertical alignment of column label text. + Disable interactive resizing of the specified row. - Horizontal alignment should be one of @c wxALIGN_LEFT, @c - wxALIGN_CENTRE or @c wxALIGN_RIGHT. - Vertical alignment should be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE - or @c wxALIGN_BOTTOM. - */ - void SetColLabelAlignment(int horiz, int vert); + This is the same as DisableColResize() but for rows. + + @see EnableDragRowSize() + */ + void DisableRowResize(int row); /** - Sets the height of the column labels. + Disables column moving by dragging with the mouse. - If @a height equals to @c wxGRID_AUTOSIZE then height is calculated - automatically so that no label is truncated. Note that this could be - slow for a large table. + Equivalent to passing @false to EnableDragColMove(). */ - void SetColLabelSize(int height); + void DisableDragColMove(); /** - Set the value for the given column label. + Disables column sizing by dragging with the mouse. - If you are using a custom grid table you must override - wxGridTableBase::SetColLabelValue for this to have any effect. + Equivalent to passing @false to EnableDragColSize(). */ - void SetColLabelValue(int col, const wxString& value); + void DisableDragColSize(); /** - Sets the minimal width to which the user can resize columns. + Disable mouse dragging of grid lines to resize rows and columns. - @see GetColMinimalAcceptableWidth() + Equivalent to passing @false to EnableDragGridSize() */ - void SetColMinimalAcceptableWidth(int width); + void DisableDragGridSize(); /** - Sets the minimal width for the specified column. - - It is usually best to call this method during grid creation as calling - it later will not resize the column to the given minimal width even if - it is currently narrower than it. + Disables row sizing by dragging with the mouse. - @a width must be greater than the minimal acceptable column width as - returned by GetColMinimalAcceptableWidth(). + Equivalent to passing @false to EnableDragRowSize(). */ - void SetColMinimalWidth(int col, int width); + void DisableDragRowSize(); /** - Sets the position of the specified column. + Enables or disables cell dragging with the mouse. */ - void SetColPos(int colID, int newPos); + void EnableDragCell(bool enable = true); /** - Sets the width of the specified column. + Enables or disables column moving by dragging with the mouse. + */ + void EnableDragColMove(bool enable = true); - Notice that this function does not refresh the grid, you need to call - ForceRefresh() to make the changes take effect immediately. + /** + Enables or disables column sizing by dragging with the mouse. + + @see DisableColResize() + */ + void EnableDragColSize(bool enable = true); + + /** + Enables or disables row and column resizing by dragging gridlines with + the mouse. + */ + void EnableDragGridSize(bool enable = true); + + /** + Enables or disables row sizing by dragging with the mouse. + + @see DisableRowResize() + */ + void EnableDragRowSize(bool enable = true); + + /** + Returns the column ID of the specified column position. + */ + int GetColAt(int colPos) const; + + /** + Returns the position of the specified column. + */ + int GetColPos(int colID) const; + + /** + Sets the position of the specified column. + */ + void SetColPos(int colID, int newPos); + + /** + Sets the positions of all columns at once. + + This method takes an array containing the indices of the columns in + their display order, i.e. uses the same convention as + wxHeaderCtrl::SetColumnsOrder(). + */ + void SetColumnsOrder(const wxArrayInt& order); + + /** + Resets the position of the columns to the default. + */ + void ResetColPos(); + + //@} + + + /** + @name Cursor Movement + */ + //@{ + + /** + Returns the current grid cell column position. + */ + int GetGridCursorCol() const; + + /** + Returns the current grid cell row position. + */ + int GetGridCursorRow() const; + + /** + Make the given cell current and ensure it is visible. + + This method is equivalent to calling MakeCellVisible() and + SetGridCursor() and so, as with the latter, a @c wxEVT_GRID_SELECT_CELL + event is generated by it and the selected cell doesn't change if the + event is vetoed. + */ + void GoToCell(int row, int col); + /** + Make the given cell current and ensure it is visible. + + This method is equivalent to calling MakeCellVisible() and + SetGridCursor() and so, as with the latter, a @c wxEVT_GRID_SELECT_CELL + event is generated by it and the selected cell doesn't change if the + event is vetoed. + */ + void GoToCell(const wxGridCellCoords& coords); + + /** + Moves the grid cursor down by one row. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorDown(bool expandSelection); + + /** + Moves the grid cursor down in the current column such that it skips to + the beginning or end of a block of non-empty cells. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorDownBlock(bool expandSelection); + + /** + Moves the grid cursor left by one column. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorLeft(bool expandSelection); + + /** + Moves the grid cursor left in the current row such that it skips to the + beginning or end of a block of non-empty cells. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorLeftBlock(bool expandSelection); + + /** + Moves the grid cursor right by one column. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorRight(bool expandSelection); + + /** + Moves the grid cursor right in the current row such that it skips to + the beginning or end of a block of non-empty cells. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorRightBlock(bool expandSelection); + + /** + Moves the grid cursor up by one row. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorUp(bool expandSelection); + + /** + Moves the grid cursor up in the current column such that it skips to + the beginning or end of a block of non-empty cells. + + If a block of cells was previously selected it will expand if the + argument is @true or be cleared if the argument is @false. + */ + bool MoveCursorUpBlock(bool expandSelection); + + /** + Moves the grid cursor down by some number of rows so that the previous + bottom visible row becomes the top visible row. + */ + bool MovePageDown(); + + /** + Moves the grid cursor up by some number of rows so that the previous + top visible row becomes the bottom visible row. + */ + bool MovePageUp(); + + /** + Set the grid cursor to the specified cell. + + The grid cursor indicates the current cell and can be moved by the user + using the arrow keys or the mouse. + + Calling this function generates a @c wxEVT_GRID_SELECT_CELL event and + if the event handler vetoes this event, the cursor is not moved. + + This function doesn't make the target call visible, use GoToCell() to + do this. + */ + void SetGridCursor(int row, int col); + /** + Set the grid cursor to the specified cell. + + The grid cursor indicates the current cell and can be moved by the user + using the arrow keys or the mouse. + + Calling this function generates a @c wxEVT_GRID_SELECT_CELL event and + if the event handler vetoes this event, the cursor is not moved. + + This function doesn't make the target call visible, use GoToCell() to + do this. + */ + void SetGridCursor(const wxGridCellCoords& coords); + + //@} + + + /** + @name User Selection + */ + //@{ + + /** + Deselects all cells that are currently selected. + */ + void ClearSelection(); + + /** + Returns an array of individually selected cells. + + Notice that this array does @em not contain all the selected cells in + general as it doesn't include the cells selected as part of column, row + or block selection. You must use this method, GetSelectedCols(), + GetSelectedRows() and GetSelectionBlockTopLeft() and + GetSelectionBlockBottomRight() methods to obtain the entire selection + in general. + + Please notice this behaviour is by design and is needed in order to + support grids of arbitrary size (when an entire column is selected in + a grid with a million of columns, we don't want to create an array with + a million of entries in this function, instead it returns an empty + array and GetSelectedCols() returns an array containing one element). + */ + wxGridCellCoordsArray GetSelectedCells() const; + + /** + Returns an array of selected columns. + + Please notice that this method alone is not sufficient to find all the + selected columns as it contains only the columns which were + individually selected but not those being part of the block selection + or being selected in virtue of all of their cells being selected + individually, please see GetSelectedCells() for more details. + */ + wxArrayInt GetSelectedCols() const; + + /** + Returns an array of selected rows. + + Please notice that this method alone is not sufficient to find all the + selected rows as it contains only the rows which were individually + selected but not those being part of the block selection or being + selected in virtue of all of their cells being selected individually, + please see GetSelectedCells() for more details. + */ + wxArrayInt GetSelectedRows() const; + + /** + Returns the colour used for drawing the selection background. + */ + wxColour GetSelectionBackground() const; + + /** + Returns an array of the bottom right corners of blocks of selected + cells. + + Please see GetSelectedCells() for more information about the selection + representation in wxGrid. + + @see GetSelectionBlockTopLeft() + */ + wxGridCellCoordsArray GetSelectionBlockBottomRight() const; + + /** + Returns an array of the top left corners of blocks of selected cells. + + Please see GetSelectedCells() for more information about the selection + representation in wxGrid. + + @see GetSelectionBlockBottomRight() + */ + wxGridCellCoordsArray GetSelectionBlockTopLeft() const; + + /** + Returns the colour used for drawing the selection foreground. + */ + wxColour GetSelectionForeground() const; + + /** + Returns the current selection mode. + + @see SetSelectionMode(). + */ + wxGridSelectionModes GetSelectionMode() const; + + /** + Returns @true if the given cell is selected. + */ + bool IsInSelection(int row, int col) const; + /** + Returns @true if the given cell is selected. + */ + bool IsInSelection(const wxGridCellCoords& coords) const; + + /** + Returns @true if there are currently any selected cells, rows, columns + or blocks. + */ + bool IsSelection() const; + + /** + Selects all cells in the grid. + */ + void SelectAll(); + + /** + Selects a rectangular block of cells. + + If @a addToSelected is @false then any existing selection will be + deselected; if @true the column will be added to the existing + selection. + */ + void SelectBlock(int topRow, int leftCol, int bottomRow, int rightCol, + bool addToSelected = false); + /** + Selects a rectangular block of cells. + + If @a addToSelected is @false then any existing selection will be + deselected; if @true the column will be added to the existing + selection. + */ + void SelectBlock(const wxGridCellCoords& topLeft, + const wxGridCellCoords& bottomRight, + bool addToSelected = false); + + /** + Selects the specified column. + + If @a addToSelected is @false then any existing selection will be + deselected; if @true the column will be added to the existing + selection. + + This method won't select anything if the current selection mode is + wxGridSelectRows. + */ + void SelectCol(int col, bool addToSelected = false); + + /** + Selects the specified row. + + If @a addToSelected is @false then any existing selection will be + deselected; if @true the row will be added to the existing selection. + + This method won't select anything if the current selection mode is + wxGridSelectColumns. + */ + void SelectRow(int row, bool addToSelected = false); + + /** + Set the colour to be used for drawing the selection background. + */ + void SetSelectionBackground(const wxColour& c); + + /** + Set the colour to be used for drawing the selection foreground. + */ + void SetSelectionForeground(const wxColour& c); + + /** + Set the selection behaviour of the grid. + + The existing selection is converted to conform to the new mode if + possible and discarded otherwise (e.g. any individual selected cells + are deselected if the new mode allows only the selection of the entire + rows or columns). + */ + void SetSelectionMode(wxGridSelectionModes selmode); + + //@} + + + /** + @name Scrolling + */ + //@{ + + /** + Returns the number of pixels per horizontal scroll increment. + + The default is 15. + + @see GetScrollLineY(), SetScrollLineX(), SetScrollLineY() + */ + int GetScrollLineX() const; + + /** + Returns the number of pixels per vertical scroll increment. + + The default is 15. + + @see GetScrollLineX(), SetScrollLineX(), SetScrollLineY() + */ + int GetScrollLineY() const; + + /** + Returns @true if a cell is either entirely or at least partially + visible in the grid window. + + By default, the cell must be entirely visible for this function to + return @true but if @a wholeCellVisible is @false, the function returns + @true even if the cell is only partially visible. + */ + bool IsVisible(int row, int col, bool wholeCellVisible = true) const; + /** + Returns @true if a cell is either entirely or at least partially + visible in the grid window. + + By default, the cell must be entirely visible for this function to + return @true but if @a wholeCellVisible is @false, the function returns + @true even if the cell is only partially visible. + */ + bool IsVisible(const wxGridCellCoords& coords, + bool wholeCellVisible = true) const; + + /** + Brings the specified cell into the visible grid cell area with minimal + scrolling. + + Does nothing if the cell is already visible. + */ + void MakeCellVisible(int row, int col); + /** + Brings the specified cell into the visible grid cell area with minimal + scrolling. - @param col - The column index. - @param width - The new column width in pixels or a negative value to fit the - column width to its label width. + Does nothing if the cell is already visible. */ - void SetColSize(int col, int width); + void MakeCellVisible(const wxGridCellCoords& coords); /** - Sets the default horizontal and vertical alignment for grid cell text. + Sets the number of pixels per horizontal scroll increment. - Horizontal alignment should be one of @c wxALIGN_LEFT, @c - wxALIGN_CENTRE or @c wxALIGN_RIGHT. - Vertical alignment should be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE - or @c wxALIGN_BOTTOM. + The default is 15. + + @see GetScrollLineX(), GetScrollLineY(), SetScrollLineY() */ - void SetDefaultCellAlignment(int horiz, int vert); + void SetScrollLineX(int x); /** - Sets the default background colour for grid cells. + Sets the number of pixels per vertical scroll increment. + + The default is 15. + + @see GetScrollLineX(), GetScrollLineY(), SetScrollLineX() */ - void SetDefaultCellBackgroundColour(const wxColour& colour); + void SetScrollLineY(int y); + + //@} + + + /** + @name Cell and Device Coordinate Translation + */ + //@{ + + /** + Convert grid cell coordinates to grid window pixel coordinates. + + This function returns the rectangle that encloses the block of cells + limited by @a topLeft and @a bottomRight cell in device coords and + clipped to the client size of the grid window. + + @see CellToRect() + */ + wxRect BlockToDeviceRect(const wxGridCellCoords& topLeft, + const wxGridCellCoords& bottomRight) const; + + /** + Return the rectangle corresponding to the grid cell's size and position + in logical coordinates. + + @see BlockToDeviceRect() + */ + wxRect CellToRect(int row, int col) const; + /** + Return the rectangle corresponding to the grid cell's size and position + in logical coordinates. + + @see BlockToDeviceRect() + */ + wxRect CellToRect(const wxGridCellCoords& coords) const; + + /** + Returns the column at the given pixel position. + + @param x + The x position to evaluate. + @param clipToMinMax + If @true, rather than returning @c wxNOT_FOUND, it returns either + the first or last column depending on whether @a x is too far to + the left or right respectively. + @return + The column index or @c wxNOT_FOUND. + */ + int XToCol(int x, bool clipToMinMax = false) const; + + /** + Returns the column whose right hand edge is close to the given logical + @a x position. + + If no column edge is near to this position @c wxNOT_FOUND is returned. + */ + int XToEdgeOfCol(int x) const; + + /** + Translates logical pixel coordinates to the grid cell coordinates. + + Notice that this function expects logical coordinates on input so if + you use this function in a mouse event handler you need to translate + the mouse position, which is expressed in device coordinates, to + logical ones. + + @see XToCol(), YToRow() + */ + wxGridCellCoords XYToCell(int x, int y) const; + /** + Translates logical pixel coordinates to the grid cell coordinates. + + Notice that this function expects logical coordinates on input so if + you use this function in a mouse event handler you need to translate + the mouse position, which is expressed in device coordinates, to + logical ones. + + @see XToCol(), YToRow() + */ + wxGridCellCoords XYToCell(const wxPoint& pos) const; + // XYToCell(int, int, wxGridCellCoords&) overload is intentionally + // undocumented, using it is ugly and non-const reference parameters are + // not used in wxWidgets API + + /** + Returns the row whose bottom edge is close to the given logical @a y + position. + + If no row edge is near to this position @c wxNOT_FOUND is returned. + */ + int YToEdgeOfRow(int y) const; + + /** + Returns the grid row that corresponds to the logical @a y coordinate. + + Returns @c wxNOT_FOUND if there is no row at the @a y position. + */ + int YToRow(int y, bool clipToMinMax = false) const; + + //@} + + + /** + @name Miscellaneous Functions + */ + //@{ + + /** + Appends one or more new columns to the right of the grid. + + The @a updateLabels argument is not used at present. If you are using a + derived grid table class you will need to override + wxGridTableBase::AppendCols(). See InsertCols() for further + information. + + @return @true on success or @false if appending columns failed. + */ + bool AppendCols(int numCols = 1, bool updateLabels = true); + + /** + Appends one or more new rows to the bottom of the grid. + + The @a updateLabels argument is not used at present. If you are using a + derived grid table class you will need to override + wxGridTableBase::AppendRows(). See InsertRows() for further + information. + + @return @true on success or @false if appending rows failed. + */ + bool AppendRows(int numRows = 1, bool updateLabels = true); + + /** + Return @true if the horizontal grid lines stop at the last column + boundary or @false if they continue to the end of the window. + + The default is to clip grid lines. + + @see ClipHorzGridLines(), AreVertGridLinesClipped() + */ + bool AreHorzGridLinesClipped() const; + + /** + Return @true if the vertical grid lines stop at the last row + boundary or @false if they continue to the end of the window. + + The default is to clip grid lines. + + @see ClipVertGridLines(), AreHorzGridLinesClipped() + */ + bool AreVertGridLinesClipped() const; + + /** + Increments the grid's batch count. + + When the count is greater than zero repainting of the grid is + suppressed. Each call to BeginBatch must be matched by a later call to + EndBatch(). Code that does a lot of grid modification can be enclosed + between BeginBatch() and EndBatch() calls to avoid screen flicker. The + final EndBatch() call will cause the grid to be repainted. + + Notice that you should use wxGridUpdateLocker which ensures that there + is always a matching EndBatch() call for this BeginBatch() if possible + instead of calling this method directly. + */ + void BeginBatch(); + + /** + Clears all data in the underlying grid table and repaints the grid. + + The table is not deleted by this function. If you are using a derived + table class then you need to override wxGridTableBase::Clear() for this + function to have any effect. + */ + void ClearGrid(); + + /** + Change whether the horizontal grid lines are clipped by the end of the + last column. + + By default the grid lines are not drawn beyond the end of the last + column but after calling this function with @a clip set to @false they + will be drawn across the entire grid window. + + @see AreHorzGridLinesClipped(), ClipVertGridLines() + */ + void ClipHorzGridLines(bool clip); + + /** + Change whether the vertical grid lines are clipped by the end of the + last row. + + By default the grid lines are not drawn beyond the end of the last + row but after calling this function with @a clip set to @false they + will be drawn across the entire grid window. + + @see AreVertGridLinesClipped(), ClipHorzGridLines() + */ + void ClipVertGridLines(bool clip); + + /** + Deletes one or more columns from a grid starting at the specified + position. + + The @a updateLabels argument is not used at present. If you are using a + derived grid table class you will need to override + wxGridTableBase::DeleteCols(). See InsertCols() for further + information. + + @return @true on success or @false if deleting columns failed. + */ + bool DeleteCols(int pos = 0, int numCols = 1, bool updateLabels = true); + + /** + Deletes one or more rows from a grid starting at the specified + position. + + The @a updateLabels argument is not used at present. If you are using a + derived grid table class you will need to override + wxGridTableBase::DeleteRows(). See InsertRows() for further + information. + + @return @true on success or @false if appending rows failed. + */ + bool DeleteRows(int pos = 0, int numRows = 1, bool updateLabels = true); + + /** + Decrements the grid's batch count. + + When the count is greater than zero repainting of the grid is + suppressed. Each previous call to BeginBatch() must be matched by a + later call to EndBatch(). Code that does a lot of grid modification can + be enclosed between BeginBatch() and EndBatch() calls to avoid screen + flicker. The final EndBatch() will cause the grid to be repainted. + + @see wxGridUpdateLocker + */ + void EndBatch(); + + /** + Overridden wxWindow method. + */ + virtual void Fit(); + + /** + Causes immediate repainting of the grid. + + Use this instead of the usual wxWindow::Refresh(). + */ + void ForceRefresh(); + + /** + Returns the number of times that BeginBatch() has been called without + (yet) matching calls to EndBatch(). While the grid's batch count is + greater than zero the display will not be updated. + */ + int GetBatchCount(); /** - Sets the default font to be used for grid cell text. + Returns the total number of grid columns. + + This is the same as the number of columns in the underlying grid table. */ - void SetDefaultCellFont(const wxFont& font); + int GetNumberCols() const; /** - Sets the current default colour for grid cell text. + Returns the total number of grid rows. + + This is the same as the number of rows in the underlying grid table. */ - void SetDefaultCellTextColour(const wxColour& colour); + int GetNumberRows() const; /** - Sets the default width for columns in the grid. + Returns the attribute for the given cell creating one if necessary. - This will only affect columns subsequently added to the grid unless - @a resizeExistingCols is @true. + If the cell already has an attribute, it is returned. Otherwise a new + attribute is created, associated with the cell and returned. In any + case the caller must call DecRef() on the returned pointer. - If @a width is less than GetColMinimalAcceptableWidth(), then the - minimal acceptable width is used instead of it. + This function may only be called if CanHaveAttributes() returns @true. */ - void SetDefaultColSize(int width, bool resizeExistingCols = false); + wxGridCellAttr *GetOrCreateCellAttr(int row, int col) const; /** - Sets the default editor for grid cells. - - The grid will take ownership of the pointer. + Returns a base pointer to the current table object. - See wxGridCellEditor and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. + The returned pointer is still owned by the grid. */ - void SetDefaultEditor(wxGridCellEditor* editor); + wxGridTableBase *GetTable() const; /** - Sets the default renderer for grid cells. + Inserts one or more new columns into a grid with the first new column + at the specified position. - The grid will take ownership of the pointer. + Notice that inserting the columns in the grid requires grid table + cooperation: when this method is called, grid object begins by + requesting the underlying grid table to insert new columns. If this is + successful the table notifies the grid and the grid updates the + display. For a default grid (one where you have called CreateGrid()) + this process is automatic. If you are using a custom grid table + (specified with SetTable()) then you must override + wxGridTableBase::InsertCols() in your derived table class. - See wxGridCellRenderer and the @ref overview_grid "wxGrid overview" - for more information about cell editors and renderers. + @param pos + The position which the first newly inserted column will have. + @param numCols + The number of columns to insert. + @param updateLabels + Currently not used. + @return + @true if the columns were successfully inserted, @false if an error + occurred (most likely the table couldn't be updated). */ - void SetDefaultRenderer(wxGridCellRenderer* renderer); + bool InsertCols(int pos = 0, int numCols = 1, bool updateLabels = true); /** - Sets the default height for rows in the grid. + Inserts one or more new rows into a grid with the first new row at the + specified position. - This will only affect rows subsequently added to the grid unless - @a resizeExistingRows is @true. + Notice that you must implement wxGridTableBase::InsertRows() if you use + a grid with a custom table, please see InsertCols() for more + information. - If @a height is less than GetRowMinimalAcceptableHeight(), then the - minimal acceptable heihgt is used instead of it. + @param pos + The position which the first newly inserted row will have. + @param numRows + The number of rows to insert. + @param updateLabels + Currently not used. + @return + @true if the rows were successfully inserted, @false if an error + occurred (most likely the table couldn't be updated). */ - void SetDefaultRowSize(int height, bool resizeExistingRows = false); + bool InsertRows(int pos = 0, int numRows = 1, bool updateLabels = true); - //@{ /** - Set the grid cursor to the specified cell. + Invalidates the cached attribute for the given cell. - The grid cursor indicates the current cell and can be moved by the user - using the arrow keys or the mouse. + For efficiency reasons, wxGrid may cache the recently used attributes + (currently it caches only the single most recently used one, in fact) + which can result in the cell appearance not being refreshed even when + the attribute returned by your custom wxGridCellAttrProvider-derived + class has changed. To force the grid to refresh the cell attribute, + this function may be used. Notice that calling it will not result in + actually redrawing the cell, you still need to call + wxWindow::RefreshRect() to invalidate the area occupied by the cell in + the window to do this. Also note that you don't need to call this + function if you store the attributes in wxGrid itself, i.e. use its + SetAttr() and similar methods, it is only useful when using a separate + custom attributes provider. - Calling this function generates a wxEVT_GRID_SELECT_CELL event and if - the event handler vetoes this event, the cursor is not moved. + @param row + The row of the cell whose attribute needs to be queried again. + @param col + The column of the cell whose attribute needs to be queried again. - This function doesn't make the target call visible, use GoToCell() to - do this. - */ - void SetGridCursor(int row, int col); - void SetGridCursor(const wxGridCellCoords& coords); - //@} + @since 2.9.2 + */ + void RefreshAttr(int row, int col); /** - Sets the colour used to draw grid lines. - */ - void SetGridLineColour(const wxColour& colour); + Draws part or all of a wxGrid on a wxDC for printing or display. - /** - Sets the background colour for row and column labels. - */ - void SetLabelBackgroundColour(const wxColour& colour); + Pagination can be accomplished by using sequential Render() calls + with appropriate values in wxGridCellCoords topLeft and bottomRight. - /** - Sets the font for row and column labels. - */ - void SetLabelFont(const wxFont& font); + @param dc + The wxDC to be drawn on. + @param pos + The position on the wxDC where rendering should begin. If not + specified drawing will begin at the wxDC MaxX() and MaxY(). + @param size + The size of the area on the wxDC that the rendered wxGrid should + occupy. If not specified the drawing will be scaled to fit the + available dc width or height. The wxGrid's aspect ratio is + maintained whether or not size is specified. + @param topLeft + The top left cell of the block to be drawn. Defaults to ( 0, 0 ). + @param bottomRight + The bottom right cell of the block to be drawn. Defaults to row and + column counts. + @param style + A combination of values from wxGridRenderStyle. + + @since 2.9.4 + */ + void Render( wxDC& dc, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + const wxGridCellCoords& topLeft = wxGridCellCoords( -1, -1 ), + const wxGridCellCoords& bottomRight = wxGridCellCoords( -1, -1 ), + int style = wxGRID_DRAW_DEFAULT ); /** - Sets the colour for row and column label text. + Sets the cell attributes for all cells in the specified column. + + For more information about controlling grid cell attributes see the + wxGridCellAttr cell attribute class and the @ref overview_grid. */ - void SetLabelTextColour(const wxColour& colour); + void SetColAttr(int col, wxGridCellAttr* attr); /** Sets the extra margins used around the grid area. @@ -2575,13 +4095,6 @@ public: */ void SetMargins(int extraWidth, int extraHeight); - /** - Makes the cell at the specified location read-only or editable. - - @see IsReadOnly() - */ - void SetReadOnly(int row, int col, bool isReadOnly = true); - /** Sets the cell attributes for all cells in the specified row. @@ -2592,179 +4105,144 @@ public: */ void SetRowAttr(int row, wxGridCellAttr* attr); - /** - Sets the horizontal and vertical alignment of row label text. - - Horizontal alignment should be one of @c wxALIGN_LEFT, @c - wxALIGN_CENTRE or @c wxALIGN_RIGHT. - Vertical alignment should be one of @c wxALIGN_TOP, @c wxALIGN_CENTRE - or @c wxALIGN_BOTTOM. - */ - void SetRowLabelAlignment(int horiz, int vert); - - /** - Sets the width of the row labels. + //@} - If @a width equals @c wxGRID_AUTOSIZE then width is calculated - automatically so that no label is truncated. Note that this could be - slow for a large table. - */ - void SetRowLabelSize(int width); /** - Sets the value for the given row label. + @name Sorting support. - If you are using a derived grid table you must override - wxGridTableBase::SetRowLabelValue for this to have any effect. - */ - void SetRowLabelValue(int row, const wxString& value); + wxGrid doesn't provide any support for sorting the data but it does + generate events allowing the user code to sort it and supports + displaying the sort indicator in the column used for sorting. - /** - Sets the minimal row height used by default. + To use wxGrid sorting support you need to handle wxEVT_GRID_COL_SORT + event (and not veto it) and resort the data displayed in the grid. The + grid will automatically update the sorting indicator on the column + which was clicked. - See SetColMinimalAcceptableWidth() for more information. - */ - void SetRowMinimalAcceptableHeight(int height); + You can also call the functions in this section directly to update the + sorting indicator. Once again, they don't do anything with the grid + data, it remains your responsibility to actually sort it appropriately. + */ + //@{ /** - Sets the minimal height for the specified row. - - See SetColMinimalWidth() for more information. - */ - void SetRowMinimalHeight(int row, int height); + Return the column in which the sorting indicator is currently + displayed. - /** - Sets the height of the specified row. + Returns @c wxNOT_FOUND if sorting indicator is not currently displayed + at all. - See SetColSize() for more information. - */ - void SetRowSize(int row, int height); + @see SetSortingColumn() + */ + int GetSortingColumn() const; /** - Sets the number of pixels per horizontal scroll increment. - - The default is 15. + Return @true if this column is currently used for sorting. - @see GetScrollLineX(), GetScrollLineY(), SetScrollLineY() - */ - void SetScrollLineX(int x); + @see GetSortingColumn() + */ + bool IsSortingBy(int col) const; /** - Sets the number of pixels per vertical scroll increment. + Return @true if the current sorting order is ascending or @false if it + is descending. - The default is 15. - - @see GetScrollLineX(), GetScrollLineY(), SetScrollLineX() - */ - void SetScrollLineY(int y); + It only makes sense to call this function if GetSortingColumn() returns + a valid column index and not @c wxNOT_FOUND. - /** - Set the colour to be used for drawing the selection background. - */ - void SetSelectionBackground(const wxColour& c); + @see SetSortingColumn() + */ + bool IsSortOrderAscending() const; /** - Set the colour to be used for drawing the selection foreground. - */ - void SetSelectionForeground(const wxColour& c); + Set the column to display the sorting indicator in and its direction. - /** - Set the selection behaviour of the grid. + @param col + The column to display the sorting indicator in or @c wxNOT_FOUND to + remove any currently displayed sorting indicator. + @param ascending + If @true, display the ascending sort indicator, otherwise display + the descending sort indicator. - The existing selection is converted to conform to the new mode if - possible and discarded otherwise (e.g. any individual selected cells - are deselected if the new mode allows only the selection of the entire - rows or columns). - */ - void SetSelectionMode(wxGridSelectionModes selmode); + @see GetSortingColumn(), IsSortOrderAscending() + */ + void SetSortingColumn(int col, bool ascending = true); /** - Passes a pointer to a custom grid table to be used by the grid. + Remove any currently shown sorting indicator. - This should be called after the grid constructor and before using the - grid object. If @a takeOwnership is set to @true then the table will be - deleted by the wxGrid destructor. + This is equivalent to calling SetSortingColumn() with @c wxNOT_FOUND + first argument. + */ + void UnsetSortingColumn(); + //@} - Use this function instead of CreateGrid() when your application - involves complex or non-string data or data sets that are too large to - fit wholly in memory. - */ - bool SetTable(wxGridTableBase* table, - bool takeOwnership = false, - wxGridSelectionModes selmode = wxGridSelectCells); /** - Call this in order to make the column labels use a native look by using - wxRenderer::DrawHeaderButton internally. + @name Accessors for component windows. - There is no equivalent method for drawing row columns as there is not - native look for that. This option is useful when using wxGrid for - displaying tables and not as a spread-sheet. - */ - void SetUseNativeColLabels(bool native = true); + Return the various child windows of wxGrid. - /** - Displays the in-place cell edit control for the current cell. - */ - void ShowCellEditControl(); + wxGrid is an empty parent window for 4 children representing the column + labels window (top), the row labels window (left), the corner window + (top left) and the main grid window. It may be necessary to use these + individual windows and not the wxGrid window itself if you need to + handle events for them (this can be done using wxEvtHandler::Connect() + or wxWindow::PushEventHandler()) or do something else requiring the use + of the correct window pointer. Notice that you should not, however, + change these windows (e.g. reposition them or draw over them) because + they are managed by wxGrid itself. + */ + //@{ /** - Returns the column at the given pixel position. + Return the main grid window containing the grid cells. - @param x - The x position to evaluate. - @param clipToMinMax - If @true, rather than returning wxNOT_FOUND, it returns either the - first or last column depending on whether x is too far to the left - or right respectively. - @return - The column index or wxNOT_FOUND. - */ - int XToCol(int x, bool clipToMinMax = false) const; + This window is always shown. + */ + wxWindow *GetGridWindow() const; /** - Returns the column whose right hand edge is close to the given logical - x position. + Return the row labels window. - If no column edge is near to this position @c wxNOT_FOUND is returned. - */ - int XToEdgeOfCol(int x) const; + This window is not shown if the row labels were hidden using + HideRowLabels(). + */ + wxWindow *GetGridRowLabelWindow() const; - //@{ /** - Translates logical pixel coordinates to the grid cell coordinates. + Return the column labels window. - Notice that this function expects logical coordinates on input so if - you use this function in a mouse event handler you need to translate - the mouse position, which is expressed in device coordinates, to - logical ones. + This window is not shown if the columns labels were hidden using + HideColLabels(). - @see XToCol(), YToRow() + Depending on whether UseNativeColHeader() was called or not this can be + either a wxHeaderCtrl or a plain wxWindow. This function returns a valid + window pointer in either case but in the former case you can also use + GetGridColHeader() to access it if you need wxHeaderCtrl-specific + functionality. */ - - // XYToCell(int, int, wxGridCellCoords&) overload is intentionally - // undocumented, using it is ugly and non-const reference parameters are - // not used in wxWidgets API - - wxGridCellCoords XYToCell(int x, int y) const; - wxGridCellCoords XYToCell(const wxPoint& pos) const; - - //@} + wxWindow *GetGridColLabelWindow() const; /** - Returns the row whose bottom edge is close to the given logical y - position. + Return the window in the top left grid corner. - If no row edge is near to this position @c wxNOT_FOUND is returned. - */ - int YToEdgeOfRow(int y) const; + This window is shown only of both columns and row labels are shown and + normally doesn't contain anything. Clicking on it is handled by wxGrid + however and can be used to select the entire grid. + */ + wxWindow *GetGridCornerLabelWindow() const; /** - Returns the grid row that corresponds to the logical y coordinate. + Return the header control used for column labels display. - Returns @c wxNOT_FOUND if there is no row at the y position. - */ - int YToRow(int y, bool clipToMinMax = false) const; + This function can only be called if UseNativeColHeader() had been + called. + */ + wxHeaderCtrl *GetGridColHeader() const; + + //@} protected: /** @@ -2871,10 +4349,29 @@ public: This event class contains information about various grid events. + Notice that all grid event table macros are available in two versions: + @c EVT_GRID_XXX and @c EVT_GRID_CMD_XXX. The only difference between the + two is that the former doesn't allow to specify the grid window identifier + and so takes a single parameter, the event handler, but is not suitable if + there is more than one grid control in the window where the event table is + used (as it would catch the events from all the grids). The version with @c + CMD takes the id as first argument and the event handler as the second one + and so can be used with multiple grids as well. Otherwise there are no + difference between the two and only the versions without the id are + documented below for brevity. + @beginEventTable{wxGridEvent} - @event{EVT_GRID_CELL_CHANGE(func)} - The user changed the data in a cell. Processes a - @c wxEVT_GRID_CELL_CHANGE event type. + @event{EVT_GRID_CELL_CHANGING(func)} + The user is about to change the data in a cell. The new cell value as + string is available from GetString() event object method. This event + can be vetoed if the change is not allowed. + Processes a @c wxEVT_GRID_CELL_CHANGING event type. + @event{EVT_GRID_CELL_CHANGED(func)} + The user changed the data in a cell. The old cell value as string is + available from GetString() event object method. Notice that vetoing + this event still works for backwards compatibility reasons but any new + code should only veto EVT_GRID_CELL_CHANGING event and not this one. + Processes a @c wxEVT_GRID_CELL_CHANGED event type. @event{EVT_GRID_CELL_LEFT_CLICK(func)} The user clicked a cell with the left mouse button. Processes a @c wxEVT_GRID_CELL_LEFT_CLICK event type. @@ -2906,56 +4403,35 @@ public: The user double-clicked a label with the right mouse button. Processes a @c wxEVT_GRID_LABEL_RIGHT_DCLICK event type. @event{EVT_GRID_SELECT_CELL(func)} - The user moved to, and selected a cell. Processes a + The given cell was made current, either by user or by the program via a + call to SetGridCursor() or GoToCell(). Processes a @c wxEVT_GRID_SELECT_CELL event type. - @event{EVT_GRID_CMD_CELL_CHANGE(id, func)} - The user changed the data in a cell; variant taking a window - identifier. Processes a @c wxEVT_GRID_CELL_CHANGE event type. - @event{EVT_GRID_CMD_CELL_LEFT_CLICK(id, func)} - The user clicked a cell with the left mouse button; variant taking a - window identifier. Processes a @c wxEVT_GRID_CELL_LEFT_CLICK event - type. - @event{EVT_GRID_CMD_CELL_LEFT_DCLICK(id, func)} - The user double-clicked a cell with the left mouse button; variant - taking a window identifier. Processes a @c wxEVT_GRID_CELL_LEFT_DCLICK - event type. - @event{EVT_GRID_CMD_CELL_RIGHT_CLICK(id, func)} - The user clicked a cell with the right mouse button; variant taking a - window identifier. Processes a @c wxEVT_GRID_CELL_RIGHT_CLICK event - type. - @event{EVT_GRID_CMD_CELL_RIGHT_DCLICK(id, func)} - The user double-clicked a cell with the right mouse button; variant - taking a window identifier. Processes a @c wxEVT_GRID_CELL_RIGHT_DCLICK - event type. - @event{EVT_GRID_CMD_EDITOR_HIDDEN(id, func)} - The editor for a cell was hidden; variant taking a window identifier. - Processes a @c wxEVT_GRID_EDITOR_HIDDEN event type. - @event{EVT_GRID_CMD_EDITOR_SHOWN(id, func)} - The editor for a cell was shown; variant taking a window identifier. - Processes a @c wxEVT_GRID_EDITOR_SHOWN event type. - @event{EVT_GRID_CMD_LABEL_LEFT_CLICK(id, func)} - The user clicked a label with the left mouse button; variant taking a - window identifier. Processes a @c wxEVT_GRID_LABEL_LEFT_CLICK event - type. - @event{EVT_GRID_CMD_LABEL_LEFT_DCLICK(id, func)} - The user double-clicked a label with the left mouse button; variant - taking a window identifier. Processes a @c wxEVT_GRID_LABEL_LEFT_DCLICK - event type. - @event{EVT_GRID_CMD_LABEL_RIGHT_CLICK(id, func)} - The user clicked a label with the right mouse button; variant taking a - window identifier. Processes a @c wxEVT_GRID_LABEL_RIGHT_CLICK event - type. - @event{EVT_GRID_CMD_LABEL_RIGHT_DCLICK(id, func)} - The user double-clicked a label with the right mouse button; variant - taking a window identifier. Processes a - @c wxEVT_GRID_LABEL_RIGHT_DCLICK event type. - @event{EVT_GRID_CMD_SELECT_CELL(id, func)} - The user moved to, and selected a cell; variant taking a window - identifier. Processes a @c wxEVT_GRID_SELECT_CELL event type. + @event{EVT_GRID_COL_MOVE(func)} + The user tries to change the order of the columns in the grid by + dragging the column specified by GetCol(). This event can be vetoed to + either prevent the user from reordering the column change completely + (but notice that if you don't want to allow it at all, you simply + shouldn't call wxGrid::EnableDragColMove() in the first place), vetoed + but handled in some way in the handler, e.g. by really moving the + column to the new position at the associated table level, or allowed to + proceed in which case wxGrid::SetColPos() is used to reorder the + columns display order without affecting the use of the column indices + otherwise. + This event macro corresponds to @c wxEVT_GRID_COL_MOVE event type. + @event{EVT_GRID_COL_SORT(func)} + This event is generated when a column is clicked by the user and its + name is explained by the fact that the custom reaction to a click on a + column is to sort the grid contents by this column. However the grid + itself has no special support for sorting and it's up to the handler of + this event to update the associated table. But if the event is handled + (and not vetoed) the grid supposes that the table was indeed resorted + and updates the column to indicate the new sort order and refreshes + itself. + This event macro corresponds to @c wxEVT_GRID_COL_SORT event type. @endEventTable @library{wxadv} - @category{grid} + @category{grid,events} */ class wxGridEvent : public wxNotifyEvent { @@ -2969,8 +4445,7 @@ public: */ wxGridEvent(int id, wxEventType type, wxObject* obj, int row = -1, int col = -1, int x = -1, int y = -1, - bool sel = true, bool control = false, bool shift = false, - bool alt = false, bool meta = false); + bool sel = true, const wxKeyboardState& kbd = wxKeyboardState()); /** Returns @true if the Alt key was down at the time of the event. @@ -2984,6 +4459,10 @@ public: /** Column at which the event occurred. + + Notice that for a @c wxEVT_GRID_SELECT_CELL event this column is the + column of the newly selected cell while the previously selected cell + can be retrieved using wxGrid::GetGridCursorCol(). */ virtual int GetCol(); @@ -2994,6 +4473,10 @@ public: /** Row at which the event occurred. + + Notice that for a @c wxEVT_GRID_SELECT_CELL event this row is the row + of the newly selected cell while the previously selected cell can be + retrieved using wxGrid::GetGridCursorRow(). */ virtual int GetRow(); @@ -3022,22 +4505,20 @@ public: This event class contains information about a row/column resize event. @beginEventTable{wxGridSizeEvent} - @event{EVT_GRID_COL_SIZE(func)} - The user resized a column by dragging it. Processes a - @c wxEVT_GRID_COL_SIZE event type. - @event{EVT_GRID_ROW_SIZE(func)} - The user resized a row by dragging it. Processes a - @c wxEVT_GRID_ROW_SIZE event type. @event{EVT_GRID_CMD_COL_SIZE(id, func)} - The user resized a column by dragging it; variant taking a window - identifier. Processes a @c wxEVT_GRID_COL_SIZE event type. + The user resized a column, corresponds to @c wxEVT_GRID_COL_SIZE event + type. @event{EVT_GRID_CMD_ROW_SIZE(id, func)} - The user resized a row by dragging it; variant taking a window - identifier. Processes a @c wxEVT_GRID_ROW_SIZE event type. + The user resized a row, corresponds to @c wxEVT_GRID_ROW_SIZE event + type. + @event{EVT_GRID_COL_SIZE(func)} + Same as EVT_GRID_CMD_COL_SIZE() but uses `wxID_ANY` id. + @event{EVT_GRID_ROW_SIZE(func)} + Same as EVT_GRID_CMD_ROW_SIZE() but uses `wxID_ANY` id. @endEventTable @library{wxadv} - @category{grid} + @category{grid,events} */ class wxGridSizeEvent : public wxNotifyEvent { @@ -3051,8 +4532,7 @@ public: */ wxGridSizeEvent(int id, wxEventType type, wxObject* obj, int rowOrCol = -1, int x = -1, int y = -1, - bool control = false, bool shift = false, - bool alt = false, bool meta = false); + const wxKeyboardState& kbd = wxKeyboardState()); /** Returns @true if the Alt key was down at the time of the event. @@ -3100,7 +4580,7 @@ public: @endEventTable @library{wxadv} - @category{grid} + @category{grid,events} */ class wxGridRangeSelectEvent : public wxNotifyEvent { @@ -3116,9 +4596,7 @@ public: wxObject* obj, const wxGridCellCoords& topLeft, const wxGridCellCoords& bottomRight, - bool sel = true, bool control = false, - bool shift = false, bool alt = false, - bool meta = false); + bool sel = true, const wxKeyboardState& kbd = wxKeyboardState()); /** Returns @true if the Alt key was down at the time of the event. @@ -3191,7 +4669,7 @@ public: @endEventTable @library{wxadv} - @category{grid} + @category{grid,events} */ class wxGridEditorCreatedEvent : public wxCommandEvent {