+/////////////////////////////////////////////////////////////////////////////
+// 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
+
+#ifdef __GNUG__
+ #pragma implementation "multicell.h"
+#endif
+
+// 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, wxRect);
+
+//---------------------------------------------------------------------------
+// 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);
+}
+//---------------------------------------------------------------------------
+wxMultiCellItemHandle :: wxMultiCellItemHandle( int row, int column, int align)
+{
+ Initialize(row, column, 1, 1, wxSize(1,1), wxNOT_RESIZABLE, wxSize(1, 1), align);
+}
+
+//---------------------------------------------------------------------------
+int wxMultiCellItemHandle::GetColumn()
+{
+ return m_column;
+}
+//---------------------------------------------------------------------------
+int wxMultiCellItemHandle::GetRow()
+{
+ return m_row;
+}
+//---------------------------------------------------------------------------
+int wxMultiCellItemHandle::GetWidth()
+{
+ return m_width;
+}
+//---------------------------------------------------------------------------
+int wxMultiCellItemHandle::GetHeight()
+{
+ return m_height;
+}
+//---------------------------------------------------------------------------
+wxResizable wxMultiCellItemHandle :: GetStyle()
+{
+ return m_style;
+};
+//---------------------------------------------------------------------------
+wxSize wxMultiCellItemHandle :: GetLocalSize()
+{
+ return m_fixedSize;
+};
+//---------------------------------------------------------------------------
+int wxMultiCellItemHandle :: GetAlignment()
+{
+ return m_alignment;
+};
+//---------------------------------------------------------------------------
+wxSize wxMultiCellItemHandle :: GetWeight()
+{
+ 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()
+{
+ m_children.DeleteContents(TRUE);
+
+ 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(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;
+
+ wxNode *current;
+ current = m_children.GetFirst();
+ while (current != NULL)
+ {
+ wxSizerItem *item = (wxSizerItem*) current->Data();
+
+ 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() != wxDefaultSize.GetHeight() ||
+ c_size.GetWidth() != wxDefaultSize.GetWidth())
+ {
+ minSize.SetHeight(wxMax(minSize.GetHeight(), c_size.GetHeight()));
+ minSize.SetWidth(wxMax(minSize.GetWidth(), c_size.GetWidth()));
+ }
+ if (rect->GetStyle() & wxHORIZENTAL_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->Next();
+ }
+}
+//---------------------------------------------------------------------------
+wxSize wxMultiCellSizer::CalcMin()
+{
+ if (m_children.GetCount() == 0)
+ return wxSize(10,10);
+
+ int m_minWidth = 0;
+ int m_minHeight = 0;
+
+ GetMinimums();
+ m_minWidth = Sum(m_maxWidth, m_cell_count.GetWidth());
+ 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);
+ }
+
+ wxNode *node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+ 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() != wxDefaultSize.GetHeight() ||
+ c_size.GetWidth() != wxDefaultSize.GetWidth())
+ {
+ 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() & wxHORIZENTAL_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->Next();
+ }
+ }
+} // 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
+ *
+ */
+
+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);
+}
+//---------------------------------------------------------------------------
+wxString itoa(int x)
+{
+ char bfr[255];
+ sprintf(bfr, "%d", x);
+ return bfr;
+}
+//---------------------------------------------------------------------------
+void wxMultiCellCanvas :: Add(wxWindow *win, unsigned int row, unsigned int col)
+{
+ wxASSERT_MSG(row >= 0 && row < m_maxRows, wxString("Row ") + itoa(row) + " out of bounds (" + itoa(m_maxRows) + ")");
+ wxASSERT_MSG(col >= 0 && col < m_maxCols, wxString("Column ") + itoa(col) + " out of bounds (" + itoa(m_maxCols) + ")");
+ wxASSERT_MSG(m_cells[CELL_LOC(row, col)] == NULL, "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, -1, ""));
+ }
+ wxFlexGridSizer::Add(m_cells[CELL_LOC(row, col)]->m_window);
+ }
+ }
+}
+
+/*** End of File ***/
projects / wxWidgets.git / commitdiff
