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wxWidgets/include/wx/generic/gridg.h
Julian Smart ad95e0f64e Various measures to reduce flicker. 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@144 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-06-25 09:45:27 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: gridg.h
// Purpose: wxGenericGrid
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GRIDH_G__
#define __GRIDH_G__
#ifdef __GNUG__
#pragma interface "gridg.h"
#endif
#include "wx/defs.h"
#include "wx/panel.h"
#include "wx/string.h"
#include "wx/scrolbar.h"
#define wxGRID_DEFAULT_EDIT_WIDTH 300
#define wxGRID_DEFAULT_EDIT_HEIGHT 27
#define wxGRID_DEFAULT_EDIT_X 5
#define wxGRID_DEFAULT_EDIT_Y 1
#define wxGRID_DEFAULT_SHEET_TOP 31
#define wxGRID_DEFAULT_SHEET_LEFT 0
#define wxGRID_DEFAULT_CELL_HEIGHT 20
#define wxGRID_DEFAULT_CELL_WIDTH 80
#define wxGRID_DEFAULT_VERTICAL_LABEL_WIDTH 40
#define wxGRID_DEFAULT_HORIZONAL_LABEL_HEIGHT 20
#ifndef wxLEFT
#define wxLEFT 0x0400
#endif
#ifndef wxRIGHT
#define wxRIGHT 0x0800
#endif
#define WXGENERIC_GRID_VERSION 0.4
class WXDLLEXPORT wxGridCell;
class WXDLLEXPORT wxGenericGrid: public wxPanel
{
DECLARE_DYNAMIC_CLASS(wxGenericGrid)
public:
wxGenericGrid(void);
inline wxGenericGrid(wxWindow *parent, int x, int y, int width, int height, const long style = 0, char *name = "grid")
{
Create(parent, -1, wxPoint(x, y), wxSize(width, height), style, name);
}
inline wxGenericGrid(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style = 0, const wxString& name = "grid")
{
Create(parent, id, pos, size, style, name);
}
~wxGenericGrid(void);
void OnPaint(wxPaintEvent& event);
void OnEraseBackground(wxEraseEvent& event);
void OnMouseEvent(wxMouseEvent& event);
void OnSize(wxSizeEvent& event);
bool Create(wxWindow *parent, wxWindowID, const wxPoint& pos, const wxSize& size, long style = 0, const wxString& name = "grid");
bool CreateGrid(int nRows, int nCols, wxString **cellValues = NULL, short *widths = NULL,
short defaultWidth = wxGRID_DEFAULT_CELL_WIDTH, short defaultHeight = wxGRID_DEFAULT_CELL_HEIGHT);
void PaintGrid(wxDC& dc);
void ClearGrid(void);
virtual wxGridCell *GetCell(int row, int col);
inline wxGridCell ***GetCells(void) { return m_gridCells; }
bool InsertCols(int pos = 0, int n = 1, bool updateLabels = TRUE);
bool InsertRows(int pos = 0, int n = 1, bool updateLabels = TRUE);
bool AppendCols(int n = 1, bool updateLabels = TRUE);
bool AppendRows(int n = 1, bool updateLabels = TRUE);
bool DeleteCols(int pos = 0, int n = 1, bool updateLabels = TRUE);
bool DeleteRows(int pos = 0, int n = 1, bool updateLabels = TRUE);
// Cell accessors
void SetCellValue(const wxString& val, int row, int col);
wxString& GetCellValue(int row, int col);
void SetCellAlignment(int flag, int row, int col);
void SetCellAlignment(int flag);
int GetCellAlignment(int row, int col);
int GetCellAlignment(void);
void SetCellTextColour(const wxColour& val, int row, int col);
void SetCellTextColour(const wxColour& col);
wxColour& GetCellTextColour(int row, int col);
inline wxColour& GetCellTextColour(void) { return m_cellTextColour; }
void SetCellBackgroundColour(const wxColour& col);
void SetCellBackgroundColour(const wxColour& colour, int row, int col);
inline wxColour& GetCellBackgroundColour(void) { return m_cellBackgroundColour; }
wxColour& GetCellBackgroundColour(int row, int col);
inline wxFont *GetCellTextFont(void) { return m_cellTextFont; }
wxFont *GetCellTextFont(int row, int col);
void SetCellTextFont(wxFont *fnt);
void SetCellTextFont(wxFont *fnt, int row, int col);
wxBitmap *GetCellBitmap(int row, int col);
void SetCellBitmap(wxBitmap *bitmap, int row, int col);
// Size accessors
void SetColumnWidth(int col, int width);
int GetColumnWidth(int col);
void SetRowHeight(int row, int height);
int GetRowHeight(int row);
// Label accessors
void SetLabelSize(int orientation, int sz);
int GetLabelSize(int orientation);
void SetLabelAlignment(int orientation, int alignment);
int GetLabelAlignment(int orientation);
wxGridCell *GetLabelCell(int orientation, int pos);
void SetLabelValue(int orientation, const wxString& val, int pos);
wxString& GetLabelValue(int orientation, int pos);
void SetLabelTextColour(const wxColour& colour);
void SetLabelBackgroundColour(const wxColour& colour);
inline wxColour& GetLabelTextColour(void) { return m_labelTextColour; }
inline wxColour& GetLabelBackgroundColour(void) { return m_labelBackgroundColour; }
inline wxFont *GetLabelTextFont(void) { return m_labelTextFont; }
inline void SetLabelTextFont(wxFont *fnt) { m_labelTextFont = fnt; }
// Miscellaneous accessors
inline int GetCursorRow(void) { return m_wCursorRow; }
inline int GetCursorColumn(void) { return m_wCursorColumn; }
void SetGridCursor(int row, int col);
inline int GetRows(void) { return m_totalRows; }
inline int GetCols(void) { return m_totalCols; }
inline int GetScrollPosX(void) { return m_scrollPosX; }
inline int GetScrollPosY(void) { return m_scrollPosY; }
inline void SetScrollPosX(int pos) { m_scrollPosX = pos; }
inline void SetScrollPosY(int pos) { m_scrollPosY = pos; }
inline wxTextCtrl *GetTextItem(void) { return m_textItem; }
inline wxScrollBar *GetHorizScrollBar(void) { return m_hScrollBar; }
inline wxScrollBar *GetVertScrollBar(void) { return m_vScrollBar; }
inline bool GetEditable(void) { return m_editable; }
void SetEditable(bool edit);
inline wxRectangle& GetCurrentRect(void) { return m_currentRect; }
inline bool CurrentCellVisible(void) { return m_currentRectVisible; }
inline void SetDividerPen(wxPen *pen) { m_divisionPen = pen; }
inline wxPen *GetDividerPen(void) { return m_divisionPen; }
// High-level event handling
// Override e.g. to check value of current cell; but call
// base member for default processing.
virtual void OnSelectCellImplementation(wxDC *dc, int row, int col);
virtual void OnSelectCell(int WXUNUSED(row), int WXUNUSED(col)) {};
// Override to create your own class of grid cell
virtual wxGridCell *OnCreateCell(void);
// Override to change labels e.g. creation of grid, inserting/deleting a row/col.
// By default, auto-labels the grid.
virtual void OnChangeLabels(void);
// Override to change the label of the edit field when selecting a cell
// By default, sets it to e.g. A12
virtual void OnChangeSelectionLabel(void);
// Override for event processing
virtual void OnCellChange(int WXUNUSED(row), int WXUNUSED(col)) {};
virtual void OnCellLeftClick(int WXUNUSED(row), int WXUNUSED(col), int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(control), bool WXUNUSED(shift)) {};
virtual void OnCellRightClick(int WXUNUSED(row), int WXUNUSED(col), int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(control), bool WXUNUSED(shift)) {};
virtual void OnLabelLeftClick(int WXUNUSED(row), int WXUNUSED(col), int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(control), bool WXUNUSED(shift)) {};
virtual void OnLabelRightClick(int WXUNUSED(row), int WXUNUSED(col), int WXUNUSED(x), int WXUNUSED(y), bool WXUNUSED(control), bool WXUNUSED(shift)) {};
// Activation: call from wxFrame::OnActivate
void OnActivate(bool active);
// Miscellaneous
void AdjustScrollbars(void);
void UpdateDimensions(void);
/* INTERNAL
*/
void SetCurrentRect (int Row, int Column, int canvasW = -1, int canvasH = -1);
void HighlightCell (wxDC *dc);
void DrawCellText(void);
void SetGridClippingRegion(wxDC *dc);
virtual bool CellHitTest(int x, int y, int *row, int *col);
virtual bool LabelSashHitTest(int x, int y, int *orientation, int *rowOrCol, int *startPos);
virtual bool LabelHitTest(int x, int y, int *row, int *col);
// Painting
virtual void DrawLabelAreas(wxDC *dc);
virtual void DrawEditableArea(wxDC *dc);
virtual void DrawGridLines(wxDC *dc);
virtual void DrawColumnLabels(wxDC *dc);
virtual void DrawColumnLabel(wxDC *dc, wxRectangle *rect, int col);
virtual void DrawRowLabels(wxDC *dc);
virtual void DrawRowLabel(wxDC *dc, wxRectangle *rect, int row);
virtual void DrawCells(wxDC *dc);
virtual void DrawCellValue(wxDC *dc, wxRectangle *rect, int row, int col);
virtual void DrawCellBackground(wxDC *dc, wxRectangle *rect, int row, int col);
virtual void DrawTextRect(wxDC *dc, const wxString& text, wxRectangle *rect, int flag);
virtual void DrawBitmapRect(wxDC *dc, wxBitmap *bitmap, wxRectangle *rect, int flag);
// Refresh cell and optionally set the text field
void RefreshCell(int row, int col, bool setText = FALSE);
// Don't refresh within the outer pair of these.
inline void BeginBatch(void) { m_batchCount ++; }
inline void EndBatch(void) { m_batchCount --; }
inline int GetBatchCount(void) { return m_batchCount; }
void OnText(wxCommandEvent& ev);
void OnGridScroll(wxScrollEvent& ev);
protected:
wxPanel* m_editingPanel; // Contains the text control
wxTextCtrl* m_textItem;
wxScrollBar* m_hScrollBar;
wxScrollBar* m_vScrollBar;
int m_wCursorRow;
int m_wCursorColumn;
wxRectangle m_currentRect;
bool m_currentRectVisible;
wxGridCell*** m_gridCells;
wxGridCell** m_rowLabelCells;
wxGridCell** m_colLabelCells;
bool m_editCreated;
bool m_editable;
int m_totalRows;
int m_totalCols;
// Row and column we're currently looking at
int m_scrollPosX;
int m_scrollPosY;
// Dimensions
int m_leftOfSheet;
int m_topOfSheet;
int m_rightOfSheet; // Calculated from m_colWidths
int m_bottomOfSheet; // Calculated from m_rowHeights
int m_totalGridWidth; // Total 'virtual' size
int m_totalGridHeight;
int m_cellHeight; // For now, a default
int m_verticalLabelWidth;
int m_horizontalLabelHeight;
int m_verticalLabelAlignment;
int m_horizontalLabelAlignment;
int m_cellAlignment;
short* m_colWidths; // Dynamically allocated
short* m_rowHeights; // Dynamically allocated
int m_scrollWidth; // Vert. scroll width, horiz. scroll height
// Colours
wxColour m_cellTextColour;
wxColour m_cellBackgroundColour;
wxFont* m_cellTextFont;
wxColour m_labelTextColour;
wxColour m_labelBackgroundColour;
wxBrush* m_labelBackgroundBrush;
wxFont* m_labelTextFont;
wxPen* m_divisionPen;
wxBitmap* m_doubleBufferingBitmap;
// Position of Edit control
wxRectangle m_editControlPosition;
// Drag status
int m_dragStatus;
int m_dragRowOrCol;
int m_dragStartPosition;
int m_dragLastPosition;
wxCursor* m_horizontalSashCursor;
wxCursor* m_verticalSashCursor;
// To avoid multiple refreshes, use Begin/EndBatch
int m_batchCount;
DECLARE_EVENT_TABLE()
};
#define wxGRID_TEXT_CTRL 2000
#define wxGRID_HSCROLL 2001
#define wxGRID_VSCROLL 2002
class WXDLLEXPORT wxGridCell: public wxObject
{
public:
wxString textValue;
wxFont *font;
wxColour textColour;
wxColour backgroundColour;
wxBrush *backgroundBrush;
wxBitmap *cellBitmap;
int alignment;
wxGridCell(wxGenericGrid *window = NULL);
~wxGridCell(void);
virtual wxString& GetTextValue(void) { return textValue; }
virtual void SetTextValue(const wxString& str) { textValue = str; }
inline wxFont *GetFont(void) { return font; }
inline void SetFont(wxFont *f) { font = f; }
inline wxColour& GetTextColour(void) { return textColour; }
inline void SetTextColour(const wxColour& colour) { textColour = colour; }
inline wxColour& GetBackgroundColour(void) { return backgroundColour; }
void SetBackgroundColour(const wxColour& colour);
inline wxBrush *GetBackgroundBrush(void) { return backgroundBrush; }
inline int GetAlignment(void) { return alignment; }
inline void SetAlignment(int align) { alignment = align; }
inline wxBitmap *GetCellBitmap(void) { return cellBitmap; }
inline void SetCellBitmap(wxBitmap *bitmap) { cellBitmap = bitmap; }
};
class WXDLLEXPORT wxGrid: public wxGenericGrid
{
public:
wxGrid(void):wxGenericGrid() {}
wxGrid(wxWindow *parent, int x=-1, int y=-1, int width=-1, int height=-1,
long style=0, char *name = "gridWindow"):
wxGenericGrid(parent, x, y, width, height, style, name)
{
}
};
#endif
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