+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: multicell.cpp
-// Purpose: provide two new classes for layout, wxMultiCellSizer and wxMultiCellCanvas
-// Author: Jonathan Bayer
-// Modified by:
-// Created:
-// RCS-ID: $Id$
-// Copyright: (c) Jonathan Bayer
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-// This was inspired by the gbsizer class written by Alex Andruschak
-
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
-#ifndef WX_PRECOMP
- #include "wx/wx.h"
-#endif
-
-#include "wx/gizmos/multicell.h"
-
-
-
-
-//---------------------------------------------------------------------------
-
-IMPLEMENT_ABSTRACT_CLASS(wxMultiCellSizer, wxSizer);
-IMPLEMENT_ABSTRACT_CLASS(wxMultiCellItemHandle, wxObject);
-
-//---------------------------------------------------------------------------
-// wxMultiCellItemHandle
-//---------------------------------------------------------------------------
-/*
- *Function Name: wxMultiCellItemHandle :: wxMultiCellItemHandle
- *
- *Parameters: int row
- * int column
- * int height
- * int width
- * wxSize size
- * wxResizable Style
- * wxSize weight
- * int align
- *
- *Description: This is the constructor for the class.
- *
- */
-
-void wxMultiCellItemHandle :: Initialize( int row, int column, int height, int width, wxSize size, wxResizable Style, wxSize weight, int align)
-{
- m_column = column;
- m_row = row;
- m_width = width;
- m_height = height;
-
- m_style = Style;
- m_fixedSize = size;
- m_alignment = align;
- m_weight = weight;
-}
-//---------------------------------------------------------------------------
-wxMultiCellItemHandle :: wxMultiCellItemHandle( int row, int column, int height, int width, wxSize size, wxResizable Style, wxSize weight, int align)
-{
- Initialize(row, column,height, width, size, Style, weight, align);
-}
-//---------------------------------------------------------------------------
-wxMultiCellItemHandle :: wxMultiCellItemHandle( int row, int column, wxSize size, wxResizable style, wxSize weight, int align)
-{
- Initialize(row, column,1, 1, size, style, weight, align);
-}
-//---------------------------------------------------------------------------
-wxMultiCellItemHandle :: wxMultiCellItemHandle( int row, int column, wxResizable style, wxSize weight, int align)
-{
- Initialize(row, column, 1, 1, wxSize(1, 1), style, weight, align);
-}
-//---------------------------------------------------------------------------
-int wxMultiCellItemHandle::GetColumn() const
-{
- return m_column;
-}
-//---------------------------------------------------------------------------
-int wxMultiCellItemHandle::GetRow() const
-{
- return m_row;
-}
-//---------------------------------------------------------------------------
-int wxMultiCellItemHandle::GetWidth() const
-{
- return m_width;
-}
-//---------------------------------------------------------------------------
-int wxMultiCellItemHandle::GetHeight() const
-{
- return m_height;
-}
-//---------------------------------------------------------------------------
-wxResizable wxMultiCellItemHandle :: GetStyle() const
-{
- return m_style;
-};
-//---------------------------------------------------------------------------
-wxSize wxMultiCellItemHandle :: GetLocalSize() const
-{
- return m_fixedSize;
-};
-//---------------------------------------------------------------------------
-int wxMultiCellItemHandle :: GetAlignment() const
-{
- return m_alignment;
-};
-//---------------------------------------------------------------------------
-wxSize wxMultiCellItemHandle :: GetWeight() const
-{
- return m_weight;
-};
-
-
-
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-// wxMultiCellSizer
-//---------------------------------------------------------------------------
-
-/*
- *Function Name: wxMultiCellSizer::Initialize
- *
- *Parameters: wxsize Initial size of sizer
- *
- *Description: This is a common function to initialize all the members of
- * this class. It is only called from the constructors
- *
- */
-
-void wxMultiCellSizer::Initialize( wxSize size )
-{
- m_cell_count = size;
- m_maxHeight = (int *)malloc((1 + m_cell_count.GetHeight()) * sizeof(int));
- m_maxWidth = (int *)malloc( (1 + m_cell_count.GetWidth()) * sizeof(int));
- m_rowStretch = (int *)malloc( (1 + m_cell_count.GetHeight()) * sizeof(int));
- m_colStretch = (int *)malloc((1 + m_cell_count.GetWidth()) * sizeof(int));
-
- m_weights = (wxSize **)malloc((1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth())) * sizeof(wxSize *));
- m_minSizes = (wxSize **)malloc((1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth())) * sizeof(wxSize *));
- for (int x = 0; x < 1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth()); x++)
- {
- m_weights[x] = new wxSize(0,0);
- m_minSizes[x] = new wxSize(0,0);
- }
-
- m_maxWeights = 1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth());
- m_defaultCellSize = wxSize(5, 5);
- m_win = NULL;
- m_pen = wxRED_PEN;
-}
-//---------------------------------------------------------------------------
-wxMultiCellSizer::wxMultiCellSizer( wxSize & size )
-{
- Initialize(size);
-}
-//---------------------------------------------------------------------------
-wxMultiCellSizer::wxMultiCellSizer( int rows, int cols)
-{
- wxSize size(cols, rows);
- Initialize(size);
-}
-//---------------------------------------------------------------------------
-wxMultiCellSizer::~wxMultiCellSizer()
-{
- WX_CLEAR_LIST(wxSizerItemList, m_children);
-
- free(m_maxHeight);
- free(m_maxWidth);
- free(m_rowStretch);
- free(m_colStretch);
-
- for (int x = 0; x < 1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth()); x++)
- {
- delete m_weights[x];
- delete m_minSizes[x];
- }
- free(m_weights);
- free(m_minSizes);
-}
-//---------------------------------------------------------------------------
-bool wxMultiCellSizer::EnableGridLines(wxWindow *win)
-{
- m_win = win;
- return true;
-}
-//---------------------------------------------------------------------------
-bool wxMultiCellSizer::SetGridPen(const wxPen *pen)
-{
- m_pen = pen;
- return true;
-}
-
-//---------------------------------------------------------------------------
-bool wxMultiCellSizer::SetDefaultCellSize(wxSize size)
-{
- m_defaultCellSize = size;
- return true;
-}
-//---------------------------------------------------------------------------
-bool wxMultiCellSizer::SetColumnWidth(int column, int colSize, bool expandable)
-{
- if (expandable)
- {
- m_minSizes[column]->SetWidth(-colSize);
- }
- else
- {
- m_minSizes[column]->SetWidth(colSize);
- }
- return true;
-}
-//---------------------------------------------------------------------------
-bool wxMultiCellSizer::SetRowHeight(int row, int rowSize, bool expandable)
-{
- if (expandable)
- {
- m_minSizes[row]->SetHeight(-rowSize);
- }
- else
- {
- m_minSizes[row]->SetHeight(rowSize);
- }
- return true;
-}
-//---------------------------------------------------------------------------
-void wxMultiCellSizer::RecalcSizes()
-{
- if (m_children.GetCount() == 0)
- return;
- wxSize size = GetSize();
- wxPoint pos = GetPosition();
-
- GetMinimums();
-
- // We need to take the unused space and equally give it out to all the rows/columns
- // which are stretchable
-
- int unUsedWidth = size.GetWidth() - Sum(m_maxWidth, m_cell_count.GetWidth());
- int unUsedHeight = size.GetHeight() - Sum(m_maxHeight, m_cell_count.GetHeight());
- int totalWidthWeight = 0;
- int totalHeightWeight = 0;
- int x;
-
- for (x = 0; x < wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth()); x++)
- {
- if (m_rowStretch[x])
- {
- totalHeightWeight += m_weights[x]->GetHeight();
- }
- if (x < m_cell_count.GetWidth() && m_colStretch[x])
- {
- totalWidthWeight += m_weights[x]->GetWidth();
- }
- }
- for (x = 0; x < wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth()); x++)
- {
- if (x < m_cell_count.GetHeight() && m_rowStretch[x])
- {
- m_maxHeight[x] += unUsedHeight * m_weights[x]->GetHeight() / totalHeightWeight;
- }
- if (x < m_cell_count.GetWidth() && m_colStretch[x])
- {
- m_maxWidth[x] += unUsedWidth * m_weights[x]->GetWidth() / totalWidthWeight;
- }
- }
- // We now have everything we need to figure each cell position and size
- // The arrays m_maxHeight and m_maxWidth now contain the final widths and height of
- // each row and column.
-
- double cell_width = (double)size.GetWidth() / (double)m_cell_count.GetWidth();
- double cell_height = (double)size.GetHeight() / (double)m_cell_count.GetHeight();
- wxPoint c_point;
- wxSize c_size;
-
- wxSizerItemList::compatibility_iterator current = m_children.GetFirst();
- while (current)
- {
- wxSizerItem *item = current->GetData();
-
- wxMultiCellItemHandle *rect;
- if (item != NULL &&
- (rect = (wxMultiCellItemHandle *)item->GetUserData()) != NULL)
- {
- c_point.x = pos.x + (int)(rect->GetColumn() * cell_width);
- c_point.y = pos.y + (int)(rect->GetRow() * cell_height);
-
- c_point.x = pos.x + Sum(m_maxWidth, rect->GetColumn());
- c_point.y = pos.y + Sum(m_maxHeight, rect->GetRow());
-
-
- c_size = rect->GetLocalSize();
- wxSize minSize( item->CalcMin() );
- if (c_size.GetHeight() != wxDefaultCoord ||
- c_size.GetWidth() != wxDefaultCoord)
- {
- minSize.SetHeight(wxMax(minSize.GetHeight(), c_size.GetHeight()));
- minSize.SetWidth(wxMax(minSize.GetWidth(), c_size.GetWidth()));
- }
- if (rect->GetStyle() & wxHORIZONTAL_RESIZABLE ||
- rect->GetWidth() > 1
- || m_minSizes[rect->GetColumn()]->GetWidth() < 0)
- {
- int w = 0;
- for (int x = 0; x < rect->GetWidth(); x++)
- {
- w += m_maxWidth[rect->GetColumn() + x];
- }
- c_size.SetWidth(w);
- }
- else
- {
- c_size.SetWidth(minSize.GetWidth() );
- }
- if (rect->GetStyle() & wxVERTICAL_RESIZABLE ||
- rect->GetHeight() > 1 ||
- m_minSizes[rect->GetRow()]->GetHeight() < 0)
- {
- int h = 0;
- for (int x = 0; x < rect->GetHeight(); x++)
- {
- h += m_maxHeight[rect->GetRow() + x];
- }
- c_size.SetHeight(h);
- }
- else
- {
- c_size.SetHeight(minSize.GetHeight());
- }
- int extraHeight = (m_maxHeight[rect->GetRow()] - c_size.GetHeight());
- int extraWidth = (m_maxWidth[rect->GetColumn()] - c_size.GetWidth());
-
- if (rect->GetWidth() == 1 && rect->GetAlignment() & wxALIGN_CENTER_HORIZONTAL)
- {
- c_point.x += extraWidth / 2;
- }
- if (rect->GetWidth() == 1 && rect->GetAlignment() & wxALIGN_RIGHT)
- {
- c_point.x += extraWidth;
- }
- if (rect->GetHeight() == 1 && rect->GetAlignment() & wxALIGN_CENTER_VERTICAL)
- {
- c_point.y += extraHeight / 2;
- }
- if (rect->GetHeight() == 1 && rect->GetAlignment() & wxALIGN_BOTTOM)
- {
- c_point.y += extraHeight;
- }
- item->SetDimension(c_point, c_size);
- }
- current = current->GetNext();
- }
-}
-//---------------------------------------------------------------------------
-wxSize wxMultiCellSizer::CalcMin()
-{
- if (m_children.GetCount() == 0)
- return wxSize(10,10);
-
- GetMinimums();
- int m_minWidth = Sum(m_maxWidth, m_cell_count.GetWidth());
- int m_minHeight = Sum(m_maxHeight, m_cell_count.GetHeight());
- return wxSize( m_minWidth, m_minHeight );
-}
-//---------------------------------------------------------------------------
-void wxMultiCellSizer :: GetMinimums()
-{
- // We first initial all the arrays EXCEPT for the m_minsizes array.
-
- memset(m_maxHeight, 0, sizeof(int) * m_cell_count.GetHeight());
- memset(m_maxWidth, 0, sizeof(int) * m_cell_count.GetWidth());
- memset(m_rowStretch, 0, sizeof(int) * m_cell_count.GetHeight());
- memset(m_colStretch, 0, sizeof(int) * m_cell_count.GetWidth());
- for (int x = 0; x < 1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth()); x++)
- {
- m_weights[x]->SetHeight(0);
- m_weights[x]->SetWidth(0);
- }
-
- wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxSizerItem *item = node->GetData();
- wxMultiCellItemHandle *rect;
- if (item != NULL &&
- (rect = (wxMultiCellItemHandle *)item->GetUserData()) != NULL)
- {
- int row = rect->GetRow();
- int col = rect->GetColumn();
-
- // First make sure that the control knows about the max rows and columns
-
- int changed = false;
- if (row + 1 > m_cell_count.GetHeight())
- {
- changed++;
- m_maxHeight = (int *)realloc(m_maxHeight, (1 + row) * sizeof(int));
- m_rowStretch = (int *)realloc(m_rowStretch, (1 + row) * sizeof(int));
- for (int x = m_cell_count.GetHeight(); x < row + 1; x++)
- {
- m_maxHeight[x - 1] = 0;
- m_rowStretch[x - 1] = 0;
- }
- m_cell_count.SetHeight(row + 1);
- }
- if (col + 1 > m_cell_count.GetWidth())
- {
- changed++;
- m_maxWidth = (int *)realloc(m_maxWidth, (1 + col) * sizeof(int));
- m_colStretch = (int *)realloc(m_colStretch, ( 1 + col) * sizeof(int));
- for (int x = m_cell_count.GetWidth(); x < col + 1; x++)
- {
- m_maxWidth[x - 1] = 0;
- m_colStretch[x - 1] = 0;
- }
- m_cell_count.SetWidth(col + 1);
- }
- if (changed)
- {
- m_weights = (wxSize **)realloc(m_weights, (1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth())) * sizeof(wxSize *));
- m_minSizes = (wxSize **)realloc(m_minSizes, (1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth())) * sizeof(wxSize *));
- for (int x = m_maxWeights; x < 1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth()); x++)
- {
- m_weights[x - 1] = new wxSize(0,0);
- m_minSizes[x - 1] = new wxSize(0,0);
- }
- m_maxWeights = 1 + wxMax(m_cell_count.GetHeight(), m_cell_count.GetWidth());
- }
-
- // Sum the m_weights for each row/column, but only if they are resizable
-
- wxSize minSize( item->CalcMin() );
- wxSize c_size = rect->GetLocalSize();
- if (c_size.GetHeight() != wxDefaultCoord ||
- c_size.GetWidth() != wxDefaultCoord)
- {
- minSize.SetHeight(wxMax(minSize.GetHeight(), c_size.GetHeight()));
- minSize.SetWidth(wxMax(minSize.GetWidth(), c_size.GetWidth()));
- }
-
- // For each row, calculate the max height for those fields which are not
- // resizable in the vertical pane
-
- if (!(rect->GetStyle() & wxVERTICAL_RESIZABLE || m_minSizes[row]->GetHeight() < 0))
- {
- m_maxHeight[row] = wxMax(m_maxHeight[row], minSize.GetHeight() / rect->GetHeight());
- }
- else
- {
- m_rowStretch[row] = 1;
- if (m_minSizes[row]->GetHeight())
- {
- m_maxHeight[row] = abs(m_minSizes[row]->GetHeight());
- }
- else
- {
- m_maxHeight[row] = wxMax(m_maxHeight[row], m_defaultCellSize.GetHeight());
- }
- m_weights[row]->SetHeight(wxMax(m_weights[row]->GetHeight(), rect->GetWeight().GetHeight()));
- }
-
- // For each column, calculate the max width for those fields which are not
- // resizable in the horizontal pane
-
- if (!(rect->GetStyle() & wxHORIZONTAL_RESIZABLE || m_minSizes[col]->GetWidth() < 0))
- {
- if (m_minSizes[col]->GetWidth())
- {
- m_maxWidth[col] = abs(m_minSizes[col]->GetWidth());
- }
- else
- {
- m_maxWidth[col] = wxMax(m_maxWidth[col], minSize.GetWidth() / rect->GetWidth());
- }
- }
- else
- {
- m_colStretch[col] = 1;
- m_maxWidth[col] = wxMax(m_maxWidth[col], m_defaultCellSize.GetWidth());
- m_weights[col]->SetWidth(wxMax(m_weights[col]->GetWidth(), rect->GetWeight().GetWidth()));
- }
- node = node->GetNext();
- }
- }
-} // wxMultiCellSizer :: GetMinimums
-//---------------------------------------------------------------------------
-/*
- *Function Name: wxMultiCellSizer :: Sum
- *
- *Parameters: int* pointer to array of ints
- * int Number of cells to sum up
- *
- *Description: This member function sums up all the elements of the array which
- * preceed the specified cell.
- *
- *Returns: int Sum
- *
- */
-
-/* static */ int wxMultiCellSizer :: Sum(int *array, int x)
-{
- int sum = 0;
- while (x--)
- {
- sum += array[x];
- }
- return sum;
-}
-//---------------------------------------------------------------------------
-/*
- *Function Name: wxMultiCellSizer :: DrawGridLines
- *
- *Parameters: wxDC Device context
- *
- *Description: This function draws the grid lines in the specified device context.
- *
- */
-
-void wxMultiCellSizer :: DrawGridLines(wxDC& dc)
-{
- RecalcSizes();
- int maxW = Sum(m_maxWidth, m_cell_count.GetWidth());
- int maxH = Sum(m_maxHeight, m_cell_count.GetHeight());
- int x;
-
- // Draw the columns
- dc.SetPen(* m_pen);
- for (x = 1; x < m_cell_count.GetWidth(); x++)
- {
- int colPos = Sum(m_maxWidth, x) ;
- dc.DrawLine(colPos, 0, colPos, maxH);
- }
-
- // Draw the rows
- for (x = 1; x < m_cell_count.GetHeight(); x++)
- {
- int rowPos = Sum(m_maxHeight, x);
- dc.DrawLine(0, rowPos, maxW, rowPos);
- }
-}
-//---------------------------------------------------------------------------
-// Define the repainting behaviour
-/*
- *Function Name: wxMultiCellSizer::OnPaint
- *
- *Parameters: wxDC Device context
- *
- *Description: This function calls the DrawGridLines() member if a window
- * has been previously specified. This functions MUST be called
- * from an OnPaint member belonging to the window which the sizer
- * is attached to.
- *
- */
-
-void wxMultiCellSizer::OnPaint(wxDC& dc )
-{
- if (m_win)
- {
- DrawGridLines(dc);
- }
-}
-
-
-//---------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-
-
-
-
-#define CELL_LOC(row, col) ((row) * m_maxCols + col)
-
-//---------------------------------------------------------------------------
-// wxCell
-//---------------------------------------------------------------------------
-/*
- *Function Name: wxCell : wxLayoutConstraints
- *
- *Description: This class is used by wxMultiCellCanvas for internal storage
- *
- */
-
-class wxCell : public wxLayoutConstraints
-{
-public:
- wxCell(wxWindow *win)
- {
- m_window = win;
- };
-
- wxWindow *m_window;
-};
-
-
-
-//---------------------------------------------------------------------------
-// wxMultiCellCanvas
-//---------------------------------------------------------------------------
-wxMultiCellCanvas :: wxMultiCellCanvas(wxWindow *par, int numRows, int numCols)
- : wxFlexGridSizer(numRows, numCols, 0, 0)
-{
- m_cells = (wxCell **)calloc(numRows * numCols, sizeof(wxCell *));
-
- m_parent = par;
- m_maxRows = numRows;
- m_maxCols = numCols;
- m_minCellSize = wxSize(5, 5);
-}
-//---------------------------------------------------------------------------
-void wxMultiCellCanvas :: Add(wxWindow *win, unsigned int row, unsigned int col)
-{
- // thanks to unsigned data row and col are always >= 0
- wxASSERT_MSG( /* row >= 0 && */ row < m_maxRows,
- wxString::Format(_T("Row %d out of bounds (0..%d)"), row, m_maxRows) );
- wxASSERT_MSG( /* col >= 0 && */ col < m_maxCols,
- wxString::Format(_T("Column %d out of bounds (0..%d)"), col, m_maxCols) );
-
- wxASSERT_MSG(m_cells[CELL_LOC(row, col)] == NULL, wxT("Cell already occupied"));
-
- wxCell *newCell = new wxCell(win);
- m_cells[CELL_LOC(row,col)] = newCell;
-}
-//---------------------------------------------------------------------------
-void wxMultiCellCanvas :: CalculateConstraints()
-{
- unsigned int row, col;
- for (row = 0; row < m_maxRows; row++)
- {
- for (col = 0; col < m_maxCols; col++)
- {
- if (!m_cells[CELL_LOC(row, col)])
- {
- // Create an empty static text field as a placeholder
- m_cells[CELL_LOC(row, col)] = new wxCell(new wxStaticText(m_parent, wxID_ANY, wxEmptyString));
- }
- wxFlexGridSizer::Add(m_cells[CELL_LOC(row, col)]->m_window);
- }
- }
-}
-
-/*** End of File ***/
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