From af4168e2cfbeffbe3b53380471aa31e9ab63a598 Mon Sep 17 00:00:00 2001 From: Julian Smart Date: Sun, 29 Sep 2013 13:35:58 +0000 Subject: [PATCH] Added wxRichTextTableBlock class to help with table UI operations git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74872 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- include/wx/richtext/richtextbuffer.h | 49 +++++++++++++++ interface/wx/richtext/richtextbuffer.h | 49 +++++++++++++++ src/richtext/richtextbuffer.cpp | 84 ++++++++++++++++++++++++++ 3 files changed, 182 insertions(+) diff --git a/include/wx/richtext/richtextbuffer.h b/include/wx/richtext/richtextbuffer.h index 6cec5eca81..4892f944dd 100644 --- a/include/wx/richtext/richtextbuffer.h +++ b/include/wx/richtext/richtextbuffer.h @@ -5797,6 +5797,55 @@ protected: wxRichTextObjectPtrArrayArray m_cells; }; +/** @class wxRichTextTableBlock + + Stores the coordinates for a block of cells. + */ + +class WXDLLIMPEXP_RICHTEXT wxRichTextTableBlock +{ +public: + wxRichTextTableBlock() { Init(); } + wxRichTextTableBlock(int colStart, int colEnd, int rowStart, int rowEnd) + { Init(); m_colStart = colStart; m_colEnd = colEnd; m_rowStart = rowStart; m_rowEnd = rowEnd; } + wxRichTextTableBlock(const wxRichTextTableBlock& block) { Copy(block); } + + void Init() { m_colStart = 0; m_colEnd = 0; m_rowStart = 0; m_rowEnd = 0; } + + void Copy(const wxRichTextTableBlock& block) + { + m_colStart = block.m_colStart; m_colEnd = block.m_colEnd; m_rowStart = block.m_rowStart; m_rowEnd = block.m_rowEnd; + } + void operator=(const wxRichTextTableBlock& block) { Copy(block); } + bool operator==(const wxRichTextTableBlock& block) + { return m_colStart == block.m_colStart && m_colEnd == block.m_colEnd && m_rowStart == block.m_rowStart && m_rowEnd == block.m_rowEnd; } + + /// Computes the block given a table (perhaps about to be edited) and a rich text control + /// that may have a selection. If no selection, the whole table is used. If just the whole content + /// of one cell is selected, this cell only is used. If the cell contents is not selected and + /// requireCellSelection is @false, the focused cell will count as a selected cell. + bool ComputeBlockForSelection(wxRichTextTable* table, wxRichTextCtrl* ctrl, bool requireCellSelection = true); + + /// Does this block represent the whole table? + bool IsWholeTable(wxRichTextTable* table) const; + + /// Returns the cell focused in the table, if any + static wxRichTextCell* GetFocusedCell(wxRichTextCtrl* ctrl); + + int& ColStart() { return m_colStart; } + int ColStart() const { return m_colStart; } + + int& ColEnd() { return m_colEnd; } + int ColEnd() const { return m_colEnd; } + + int& RowStart() { return m_rowStart; } + int RowStart() const { return m_rowStart; } + + int& RowEnd() { return m_rowEnd; } + int RowEnd() const { return m_rowEnd; } + + int m_colStart, m_colEnd, m_rowStart, m_rowEnd; +}; /** The command identifiers for Do/Undo. diff --git a/interface/wx/richtext/richtextbuffer.h b/interface/wx/richtext/richtextbuffer.h index 03a8338abf..325b5ca814 100644 --- a/interface/wx/richtext/richtextbuffer.h +++ b/interface/wx/richtext/richtextbuffer.h @@ -5654,6 +5654,55 @@ protected: wxRichTextObjectPtrArrayArray m_cells; }; +/** @class wxRichTextTableBlock + + Stores the coordinates for a block of cells. + */ + +class wxRichTextTableBlock +{ +public: + wxRichTextTableBlock() { Init(); } + wxRichTextTableBlock(int colStart, int colEnd, int rowStart, int rowEnd) + { Init(); m_colStart = colStart; m_colEnd = colEnd; m_rowStart = rowStart; m_rowEnd = rowEnd; } + wxRichTextTableBlock(const wxRichTextTableBlock& block) { Copy(block); } + + void Init() { m_colStart = 0; m_colEnd = 0; m_rowStart = 0; m_rowEnd = 0; } + + void Copy(const wxRichTextTableBlock& block) + { + m_colStart = block.m_colStart; m_colEnd = block.m_colEnd; m_rowStart = block.m_rowStart; m_rowEnd = block.m_rowEnd; + } + void operator=(const wxRichTextTableBlock& block) { Copy(block); } + bool operator==(const wxRichTextTableBlock& block) + { return m_colStart == block.m_colStart && m_colEnd == block.m_colEnd && m_rowStart == block.m_rowStart && m_rowEnd == block.m_rowEnd; } + + /// Computes the block given a table (perhaps about to be edited) and a rich text control + /// that may have a selection. If no selection, the whole table is used. If just the whole content + /// of one cell is selected, this cell only is used. If the cell contents is not selected and + /// requireCellSelection is @false, the focused cell will count as a selected cell. + bool ComputeBlockForSelection(wxRichTextTable* table, wxRichTextCtrl* ctrl, bool requireCellSelection = true); + + /// Does this block represent the whole table? + bool IsWholeTable(wxRichTextTable* table) const; + + /// Returns the cell focused in the table, if any + static wxRichTextCell* GetFocusedCell(wxRichTextCtrl* ctrl); + + int& ColStart() { return m_colStart; } + int ColStart() const { return m_colStart; } + + int& ColEnd() { return m_colEnd; } + int ColEnd() const { return m_colEnd; } + + int& RowStart() { return m_rowStart; } + int RowStart() const { return m_rowStart; } + + int& RowEnd() { return m_rowEnd; } + int RowEnd() const { return m_rowEnd; } + + int m_colStart, m_colEnd, m_rowStart, m_rowEnd; +}; /** The command identifiers for Do/Undo. diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp index 9d4c29d824..7ffc2cc3b4 100644 --- a/src/richtext/richtextbuffer.cpp +++ b/src/richtext/richtextbuffer.cpp @@ -10762,6 +10762,90 @@ bool wxRichTextTable::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer) return false; } +bool wxRichTextTableBlock::ComputeBlockForSelection(wxRichTextTable* table, wxRichTextCtrl* ctrl, bool requireCellSelection) +{ + if (!ctrl) + return false; + + ColStart() = 0; + ColEnd() = table->GetColumnCount()-1; + RowStart() = 0; + RowEnd() = table->GetRowCount()-1; + + wxRichTextSelection selection = ctrl->GetSelection(); + if (selection.IsValid() && selection.GetContainer() == table) + { + // Start with an invalid block and increase. + wxRichTextTableBlock selBlock(-1, -1, -1, -1); + wxRichTextRangeArray ranges = selection.GetRanges(); + int row, col; + for (row = 0; row < table->GetRowCount(); row++) + { + for (col = 0; col < table->GetColumnCount(); col++) + { + if (selection.WithinSelection(table->GetCell(row, col)->GetRange().GetStart())) + { + if (selBlock.ColStart() == -1) + selBlock.ColStart() = col; + if (selBlock.ColEnd() == -1) + selBlock.ColEnd() = col; + if (col < selBlock.ColStart()) + selBlock.ColStart() = col; + if (col > selBlock.ColEnd()) + selBlock.ColEnd() = col; + + if (selBlock.RowStart() == -1) + selBlock.RowStart() = row; + if (selBlock.RowEnd() == -1) + selBlock.RowEnd() = row; + if (row < selBlock.RowStart()) + selBlock.RowStart() = row; + if (row > selBlock.RowEnd()) + selBlock.RowEnd() = row; + } + } + } + + if (selBlock.RowStart() != -1 && selBlock.RowEnd() != -1 && selBlock.ColStart() != -1 && selBlock.ColEnd() != -1) + (*this) = selBlock; + } + else + { + // See if a whole cell's contents is selected, in which case we can treat the cell as selected. + // wxRTC lacks the ability to select a single cell. + wxRichTextCell* cell = wxDynamicCast(ctrl->GetFocusObject(), wxRichTextCell); + if (cell && (!requireCellSelection || (ctrl->HasSelection() && ctrl->GetSelectionRange() == cell->GetOwnRange()))) + { + int row, col; + if (table->GetCellRowColumnPosition(cell->GetRange().GetStart(), row, col)) + { + RowStart() = row; + RowEnd() = row; + ColStart() = col; + ColEnd() = col; + } + } + } + + return true; +} + +// Does this block represent the whole table? +bool wxRichTextTableBlock::IsWholeTable(wxRichTextTable* table) const +{ + return (ColStart() == 0 && RowStart() == 0 && ColEnd() == (table->GetColumnCount()-1) && RowEnd() == (table->GetRowCount()-1)); +} + +// Returns the cell focused in the table, if any +wxRichTextCell* wxRichTextTableBlock::GetFocusedCell(wxRichTextCtrl* ctrl) +{ + if (!ctrl) + return NULL; + + wxRichTextCell* cell = wxDynamicCast(ctrl->GetFocusObject(), wxRichTextCell); + return cell; +} + /* * Module to initialise and clean up handlers */ -- 2.45.2