kicad/include/widgets/wx_grid.h

216 lines
7.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef KICAD_WX_GRID_H
#define KICAD_WX_GRID_H
#include <memory>
#include <vector>
#include <memory>
#include <bitset>
#include <wx/event.h>
#include <wx/grid.h>
#include <wx/version.h>
#include <units_provider.h>
#include <libeval/numeric_evaluator.h>
class wxTextEntryBase;
class WX_GRID_TABLE_BASE : public wxGridTableBase
{
protected:
wxGridCellAttr* enhanceAttr( wxGridCellAttr* aInputAttr, int aRow, int aCol,
wxGridCellAttr::wxAttrKind aKind );
};
class WX_GRID : public wxGrid
{
public:
// Constructor has to be wxFormBuilder-compatible
WX_GRID( wxWindow *parent, wxWindowID id,
const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
long style = wxWANTS_CHARS, const wxString& name = wxGridNameStr );
~WX_GRID() override;
/**
* Hide wxGrid's SetColLabelSize() method with one which makes sure the size is tall
* enough for the system GUI font.
* @param height
*/
void SetColLabelSize( int aHeight ); // Yes, we're hiding a non-virtual method
/**
* Hide wxGrid's SetLabelFont() because for some reason on MSW it's a one-shot and
* subsequent calls to it have no effect.
*/
void SetLabelFont( const wxFont& aFont ); // Yes, we're hiding a non-virtual method
/**
* Enable alternate row highlighting, where every odd row has a different background
* color than the even rows.s
*
* @param aEnable flag to specify to enable alternate row striping in the grid
*/
void EnableAlternateRowColors( bool aEnable = true );
/**
* Get a tokenized string containing the shown column indexes.
* Tokens are separated by spaces.
*/
wxString GetShownColumnsAsString();
std::bitset<64> GetShownColumns();
/**
* Show/hide the grid columns based on a tokenized string of shown column indexes.
*/
void ShowHideColumns( const wxString& shownColumns );
/**
* A more performant version of ShowHideColumns (primarily for OnUpdateUI handlers).
*/
void ShowHideColumns( const std::bitset<64>& aShownColumns );
/**
* Hide wxGrid's SetTable() method with one which doesn't mess up the grid column
* widths when setting the table.
*/
void SetTable( wxGridTableBase* table, bool aTakeOwnership = false );
/**
* Work-around for a bug in wxGrid which crashes when deleting the table if the
* cell edit control was not closed.
*/
void DestroyTable( wxGridTableBase* aTable );
/**
* Close any open cell edit controls.
* @param aQuietMode if true don't send events (ie: for row/col delete operations)
* @return false if validation failed
*/
bool CommitPendingChanges( bool aQuietMode = false );
bool CancelPendingChanges();
/**
* Set a UNITS_PROVIDER to enable use of unit- and eval-based Getters.
* @param aProvider
*/
void SetUnitsProvider( UNITS_PROVIDER* aProvider, int aCol = 0 );
void SetAutoEvalCols( const std::vector<int>& aCols ) { m_autoEvalCols = aCols; }
/**
* Apply standard KiCad unit and eval services to a numeric cell.
* @return the value held by the cell in internal units
*/
int GetUnitValue( int aRow, int aCol );
/**
* Set a unitized cell's value.
*/
void SetUnitValue( int aRow, int aCol, int aValue );
/**
* Calculates the specified column based on the actual size of the text
* on screen. Will return the maximum value of all calculated widths.
* @param aCol - Integer value of the column to resize. Specify -1 for the row labels.
* @param aHeader - Include the header in the width calculation
* @param aContents - Include the full contents of the column
* @param aKeep - Use the current size as a minimum value
* @return The new size of the column
*/
int GetVisibleWidth( int aCol, bool aHeader = true, bool aContents = true, bool aKeep = false );
/**
* Ensure the height of the row displaying the column labels is enough, even
* if labels are multiline texts
*/
void EnsureColLabelsVisible();
/**
* WxWidgets has a bunch of bugs in its handling of wxGrid mouse events which close cell
* editors right after opening them. Helpfully, it already has a bunch of work-arounds in
* place (such as the SetInSetFocus() hack), including one to make slow clicks work. We
* re-purpose this hack to work-around the bugs when we want to open an editor.
*/
void ShowEditorOnMouseUp() { m_waitForSlowClick = true; }
/**
* wxWidgets recently added an ASSERT which fires if the position is greater than or equal
* to the number of rows (even if the delete count is 0). Needless to say, this makes using
* DeleteRows for clearing a lot more cumbersome so we add a helper here.
*/
void ClearRows()
{
if( GetNumberRows() )
DeleteRows( 0, GetNumberRows() );
}
/**
* A helper function to set OS-specific margins for text-based cell editors.
*/
static void CellEditorSetMargins( wxTextEntryBase* aEntry );
/**
* A helper function to tweak sizes of text-based cell editors depending on OS.
*/
static void CellEditorTransformSizeRect( wxRect& aRect );
protected:
/**
* A re-implementation of wxGrid::DrawColLabel which left-aligns the first column and draws
* flat borders.
*/
void DrawColLabel( wxDC& dc, int col ) override;
/**
* A re-implementation of wxGrid::DrawRowLabel which draws flat borders.
*/
void DrawRowLabel( wxDC& dc, int row ) override;
/**
* A re-implementation of wxGrid::DrawCornerLabel which draws flat borders.
*/
void DrawCornerLabel( wxDC& dc ) override;
void onGridColMove( wxGridEvent& aEvent );
void onGridCellSelect( wxGridEvent& aEvent );
void onCellEditorShown( wxGridEvent& aEvent );
void onCellEditorHidden( wxGridEvent& aEvent );
void onDPIChanged(wxDPIChangedEvent& event);
protected:
bool m_weOwnTable;
std::map<int, UNITS_PROVIDER*> m_unitsProviders;
std::unique_ptr<NUMERIC_EVALUATOR> m_eval;
std::vector<int> m_autoEvalCols;
std::map< std::pair<int, int>, std::pair<wxString, wxString> > m_evalBeforeAfter;
};
#endif //KICAD_WX_GRID_H