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Merge branch 'grid-live-resize'

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Implement live-resizing of rows/columns in wxGrid.

See https://github.com/wxWidgets/wxWidgets/pull/1754
This commit is contained in:
Vadim Zeitlin
2020-03-12 23:09:48 +01:00
parent 2ccc990ee4 d60f5484a9
commit c4a95ab32c
5 changed files with 351 additions and 338 deletions
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56
include/wx/generic/grid.h
View File

@@ -1235,7 +1235,7 @@ public:
void BeginBatch() { m_batchCount++; } void BeginBatch() { m_batchCount++; }
void EndBatch(); void EndBatch();
int GetBatchCount() { return m_batchCount; } int GetBatchCount() const { return m_batchCount; }
virtual void Refresh(bool eraseb = true, const wxRect* rect = NULL) wxOVERRIDE; virtual void Refresh(bool eraseb = true, const wxRect* rect = NULL) wxOVERRIDE;
@@ -2298,10 +2298,15 @@ protected:
bool m_canDragGridSize; bool m_canDragGridSize;
bool m_canDragCell; bool m_canDragCell;
// the last position (horizontal or vertical depending on whether the user // Index of the column being drag-moved or -1 if there is no move operation
// is resizing a column or a row) where a row or column separator line was // in progress.
// dragged by the user or -1 of there is no drag operation in progress int m_dragMoveCol;
// Last horizontal mouse position while drag-moving a column.
int m_dragLastPos; int m_dragLastPos;
// Row or column (depending on m_cursorMode value) currently being resized
// or -1 if there is no resize operation in progress.
int m_dragRowOrCol; int m_dragRowOrCol;
// true if a drag operation is in progress; when this is true, // true if a drag operation is in progress; when this is true,
@@ -2361,12 +2366,10 @@ protected:
int row, int col, int row, int col,
const wxMouseEvent& mouseEv); const wxMouseEvent& mouseEv);
void OnPaint( wxPaintEvent& );
void OnSize( wxSizeEvent& ); void OnSize( wxSizeEvent& );
void OnKeyDown( wxKeyEvent& ); void OnKeyDown( wxKeyEvent& );
void OnKeyUp( wxKeyEvent& ); void OnKeyUp( wxKeyEvent& );
void OnChar( wxKeyEvent& ); void OnChar( wxKeyEvent& );
void OnEraseBackground( wxEraseEvent& );
void OnHideEditor( wxCommandEvent& ); void OnHideEditor( wxCommandEvent& );
@@ -2456,6 +2459,12 @@ private:
// release the mouse capture if it's currently captured // release the mouse capture if it's currently captured
void EndDraggingIfNecessary(); void EndDraggingIfNecessary();
// return true if the grid should be refreshed right now
bool ShouldRefresh() const
{
return !GetBatchCount() && IsShownOnScreen();
}
// return the position (not index) of the column at the given logical pixel // return the position (not index) of the column at the given logical pixel
// position // position
@@ -2472,11 +2481,6 @@ private:
const wxGridCellCoords& coords, const wxGridCellCoords& coords,
bool isFirstDrag); bool isFirstDrag);
// process row/column resizing drag event
void DoGridLineDrag(int pos,
const wxGridOperations& oper,
wxGridWindow* gridWindow);
// process mouse drag event in the grid window, return false if starting // process mouse drag event in the grid window, return false if starting
// dragging was vetoed by the user-defined wxEVT_GRID_CELL_BEGIN_DRAG // dragging was vetoed by the user-defined wxEVT_GRID_CELL_BEGIN_DRAG
// handler // handler
@@ -2485,16 +2489,11 @@ private:
bool isFirstDrag, bool isFirstDrag,
wxGridWindow* gridWindow); wxGridWindow* gridWindow);
void DrawGridDragLine(wxPoint position, // Update the width/height of the column/row being drag-resized.
void DoGridDragResize(const wxPoint& position,
const wxGridOperations& oper, const wxGridOperations& oper,
wxGridWindow* gridWindow); wxGridWindow* gridWindow);
// return the current grid windows involved in the drag process
void GetDragGridWindows(int pos,
const wxGridOperations& oper,
wxGridWindow*& firstGridWindow,
wxGridWindow*& secondGridWindow);
// process different clicks on grid cells // process different clicks on grid cells
void DoGridCellLeftDown(wxMouseEvent& event, void DoGridCellLeftDown(wxMouseEvent& event,
const wxGridCellCoords& coords, const wxGridCellCoords& coords,
@@ -2526,18 +2525,27 @@ private:
void DoColHeaderClick(int col); void DoColHeaderClick(int col);
void DoStartResizeCol(int col); void DoStartResizeRowOrCol(int col);
void DoUpdateResizeColWidth(int w);
void DoStartMoveCol(int col); void DoStartMoveCol(int col);
void DoEndDragResizeRow(const wxMouseEvent& event, wxGridWindow *gridWindow); void DoEndDragResizeRow(const wxMouseEvent& event, wxGridWindow *gridWindow);
void DoEndDragResizeCol(const wxMouseEvent& event, wxGridWindow *gridWindow); void DoEndDragResizeCol(const wxMouseEvent& event, wxGridWindow *gridWindow);
void DoEndDragResizeCol(const wxMouseEvent& event)
{
DoEndDragResizeCol(event, m_gridWin);
}
void DoEndMoveCol(int pos); void DoEndMoveCol(int pos);
// Helper function returning the position (only the horizontal component
// really counts) corresponding to the given column drag-resize event.
//
// It's a bit ugly to create a phantom mouse position when we really only
// need the column width anyhow, but wxGrid code was originally written to
// expect the position and not the width and it's simpler to keep it happy
// by giving it the position than to change it.
wxPoint GetPositionForResizeEvent(int width) const;
// functions called by wxGridHeaderCtrl while resizing m_dragRowOrCol
void DoHeaderStartDragResizeCol(int col);
void DoHeaderDragResizeCol(int width);
void DoHeaderEndDragResizeCol(int width);
// process a TAB keypress // process a TAB keypress
void DoGridProcessTab(wxKeyboardState& kbdState); void DoGridProcessTab(wxKeyboardState& kbdState);

16
include/wx/generic/private/grid.h
View File

@@ -163,12 +163,13 @@ protected:
wxGrid *GetOwner() const { return static_cast<wxGrid *>(GetParent()); } wxGrid *GetOwner() const { return static_cast<wxGrid *>(GetParent()); }
private: private:
static wxMouseEvent GetDummyMouseEvent() wxMouseEvent GetDummyMouseEvent() const
{ {
// make up a dummy event for the grid event to use -- unfortunately we // make up a dummy event for the grid event to use -- unfortunately we
// can't do anything else here // can't do anything else here
wxMouseEvent e; wxMouseEvent e;
e.SetState(wxGetMouseState()); e.SetState(wxGetMouseState());
GetOwner()->ScreenToClient(&e.m_x, &e.m_y);
return e; return e;
} }
@@ -251,24 +252,19 @@ private:
void OnBeginResize(wxHeaderCtrlEvent& event) void OnBeginResize(wxHeaderCtrlEvent& event)
{ {
GetOwner()->DoStartResizeCol(event.GetColumn()); GetOwner()->DoHeaderStartDragResizeCol(event.GetColumn());
event.Skip(); event.Skip();
} }
void OnResizing(wxHeaderCtrlEvent& event) void OnResizing(wxHeaderCtrlEvent& event)
{ {
GetOwner()->DoUpdateResizeColWidth(event.GetWidth()); GetOwner()->DoHeaderDragResizeCol(event.GetWidth());
} }
void OnEndResize(wxHeaderCtrlEvent& event) void OnEndResize(wxHeaderCtrlEvent& event)
{ {
// we again need to pass a mouse event to be used for the grid event GetOwner()->DoHeaderEndDragResizeCol(event.GetWidth());
// generation but we don't have it here so use a dummy one as in
// UpdateColumnVisibility()
wxMouseEvent e;
e.SetState(wxGetMouseState());
GetOwner()->DoEndDragResizeCol(e);
event.Skip(); event.Skip();
} }
@@ -419,6 +415,7 @@ public:
"GridWindow"), "GridWindow"),
m_type(type) m_type(type)
{ {
SetBackgroundStyle(wxBG_STYLE_PAINT);
} }
@@ -437,7 +434,6 @@ private:
void OnKeyDown( wxKeyEvent& ); void OnKeyDown( wxKeyEvent& );
void OnKeyUp( wxKeyEvent& ); void OnKeyUp( wxKeyEvent& );
void OnChar( wxKeyEvent& ); void OnChar( wxKeyEvent& );
void OnEraseBackground( wxEraseEvent& );
void OnFocus( wxFocusEvent& ); void OnFocus( wxFocusEvent& );
wxDECLARE_EVENT_TABLE(); wxDECLARE_EVENT_TABLE();

2
interface/wx/grid.h
View File

@@ -4991,7 +4991,7 @@ public:
(yet) matching calls to EndBatch(). While the grid's batch count is (yet) matching calls to EndBatch(). While the grid's batch count is
greater than zero the display will not be updated. greater than zero the display will not be updated.
*/ */
int GetBatchCount(); int GetBatchCount() const;
/** /**
Returns the total number of grid columns. Returns the total number of grid columns.

599
src/generic/grid.cpp
View File

@@ -11,7 +11,6 @@
/* /*
TODO: TODO:
- Replace use of wxINVERT with wxOverlay
- Make Begin/EndBatch() the same as the generic Freeze/Thaw() - Make Begin/EndBatch() the same as the generic Freeze/Thaw()
- Review the column reordering code, it's a mess. - Review the column reordering code, it's a mess.
- Implement row reordering after dealing with the columns. - Implement row reordering after dealing with the columns.
@@ -42,6 +41,7 @@
#include "wx/listbox.h" #include "wx/listbox.h"
#endif #endif
#include "wx/dcbuffer.h"
#include "wx/textfile.h" #include "wx/textfile.h"
#include "wx/spinctrl.h" #include "wx/spinctrl.h"
#include "wx/tokenzr.h" #include "wx/tokenzr.h"
@@ -1907,12 +1907,11 @@ wxBEGIN_EVENT_TABLE( wxGridWindow, wxGridSubwindow )
EVT_CHAR( wxGridWindow::OnChar ) EVT_CHAR( wxGridWindow::OnChar )
EVT_SET_FOCUS( wxGridWindow::OnFocus ) EVT_SET_FOCUS( wxGridWindow::OnFocus )
EVT_KILL_FOCUS( wxGridWindow::OnFocus ) EVT_KILL_FOCUS( wxGridWindow::OnFocus )
EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
wxEND_EVENT_TABLE() wxEND_EVENT_TABLE()
void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{ {
wxPaintDC dc( this ); wxAutoBufferedPaintDC dc( this );
m_owner->PrepareDCFor( dc, this ); m_owner->PrepareDCFor( dc, this );
wxRegion reg = GetUpdateRegion(); wxRegion reg = GetUpdateRegion();
@@ -2281,10 +2280,6 @@ void wxGridWindow::OnChar( wxKeyEvent& event )
event.Skip(); event.Skip();
} }
void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
{
}
void wxGridWindow::OnFocus(wxFocusEvent& event) void wxGridWindow::OnFocus(wxFocusEvent& event)
{ {
// and if we have any selection, it has to be repainted, because it // and if we have any selection, it has to be repainted, because it
@@ -2321,12 +2316,10 @@ void wxGridWindow::OnFocus(wxFocusEvent& event)
///////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////
wxBEGIN_EVENT_TABLE( wxGrid, wxScrolledCanvas ) wxBEGIN_EVENT_TABLE( wxGrid, wxScrolledCanvas )
EVT_PAINT( wxGrid::OnPaint )
EVT_SIZE( wxGrid::OnSize ) EVT_SIZE( wxGrid::OnSize )
EVT_KEY_DOWN( wxGrid::OnKeyDown ) EVT_KEY_DOWN( wxGrid::OnKeyDown )
EVT_KEY_UP( wxGrid::OnKeyUp ) EVT_KEY_UP( wxGrid::OnKeyUp )
EVT_CHAR ( wxGrid::OnChar ) EVT_CHAR ( wxGrid::OnChar )
EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
EVT_COMMAND(wxID_ANY, wxEVT_GRID_HIDE_EDITOR, wxGrid::OnHideEditor ) EVT_COMMAND(wxID_ANY, wxEVT_GRID_HIDE_EDITOR, wxGrid::OnHideEditor )
wxEND_EVENT_TABLE() wxEND_EVENT_TABLE()
@@ -2679,6 +2672,7 @@ void wxGrid::Init()
m_canDragColSize = true; m_canDragColSize = true;
m_canDragGridSize = true; m_canDragGridSize = true;
m_canDragCell = false; m_canDragCell = false;
m_dragMoveCol = -1;
m_dragLastPos = -1; m_dragLastPos = -1;
m_dragRowOrCol = -1; m_dragRowOrCol = -1;
m_isDragging = false; m_isDragging = false;
@@ -2816,6 +2810,10 @@ int wxGrid::GetRowBottom(int row) const
void wxGrid::CalcDimensions() void wxGrid::CalcDimensions()
{ {
// Wait until the window is thawed if it's currently frozen.
if ( GetBatchCount() )
return;
// if our OnSize() hadn't been called (it would if we have scrollbars), we // if our OnSize() hadn't been called (it would if we have scrollbars), we
// still must reposition the children // still must reposition the children
CalcWindowSizes(); CalcWindowSizes();
@@ -2986,11 +2984,10 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
if (attrProvider) if (attrProvider)
attrProvider->UpdateAttrRows( pos, numRows ); attrProvider->UpdateAttrRows( pos, numRows );
if ( !GetBatchCount() ) CalcDimensions();
{
CalcDimensions(); if ( ShouldRefresh() )
m_rowLabelWin->Refresh(); m_rowLabelWin->Refresh();
}
} }
result = true; result = true;
break; break;
@@ -3019,11 +3016,10 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
UpdateCurrentCellOnRedim(); UpdateCurrentCellOnRedim();
if ( !GetBatchCount() ) CalcDimensions();
{
CalcDimensions(); if ( ShouldRefresh() )
m_rowLabelWin->Refresh(); m_rowLabelWin->Refresh();
}
} }
result = true; result = true;
break; break;
@@ -3068,11 +3064,10 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
#endif #endif
} }
if ( !GetBatchCount() ) CalcDimensions();
{
CalcDimensions(); if ( ShouldRefresh() )
m_rowLabelWin->Refresh(); m_rowLabelWin->Refresh();
}
} }
result = true; result = true;
break; break;
@@ -3130,11 +3125,11 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider(); wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
if (attrProvider) if (attrProvider)
attrProvider->UpdateAttrCols( pos, numCols ); attrProvider->UpdateAttrCols( pos, numCols );
if ( !GetBatchCount() )
{ CalcDimensions();
CalcDimensions();
if ( ShouldRefresh() )
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
}
} }
result = true; result = true;
break; break;
@@ -3183,11 +3178,10 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
UpdateCurrentCellOnRedim(); UpdateCurrentCellOnRedim();
if ( !GetBatchCount() ) CalcDimensions();
{
CalcDimensions(); if ( ShouldRefresh() )
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
}
} }
result = true; result = true;
break; break;
@@ -3252,11 +3246,10 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
#endif #endif
} }
if ( !GetBatchCount() ) CalcDimensions();
{
CalcDimensions(); if ( ShouldRefresh() )
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
}
} }
result = true; result = true;
break; break;
@@ -3264,7 +3257,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
InvalidateBestSize(); InvalidateBestSize();
if (result && !GetBatchCount() ) if (result && ShouldRefresh() )
Refresh(); Refresh();
return result; return result;
@@ -3488,7 +3481,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event, wxGridRowLabelWindo
{ {
case WXGRID_CURSOR_RESIZE_ROW: case WXGRID_CURSOR_RESIZE_ROW:
{ {
DrawGridDragLine(event.GetPosition(), wxGridRowOperations(), gridWindow); DoGridDragResize(event.GetPosition(), wxGridRowOperations(), gridWindow);
} }
break; break;
@@ -3632,13 +3625,16 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event, wxGridRowLabelWindo
// //
else if ( event.Moving() ) else if ( event.Moving() )
{ {
m_dragRowOrCol = YToEdgeOfRow( pos.y ); const int dragRowOrCol = YToEdgeOfRow( pos.y );
if ( m_dragRowOrCol != wxNOT_FOUND ) if ( dragRowOrCol != wxNOT_FOUND )
{ {
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{ {
if ( CanDragRowSize(m_dragRowOrCol) ) if ( CanDragRowSize(dragRowOrCol) )
{
DoStartResizeRowOrCol(dragRowOrCol);
ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, rowLabelWin, false); ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, rowLabelWin, false);
}
} }
} }
else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL ) else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
@@ -3751,19 +3747,17 @@ void wxGrid::DoColHeaderClick(int col)
} }
} }
void wxGrid::DoStartResizeCol(int col) void wxGrid::DoStartResizeRowOrCol(int col)
{ {
// Hide the editor if it's currently shown to avoid any weird interactions
// with it while dragging the row/column separator.
if ( IsCellEditControlShown() )
{
HideCellEditControl();
SaveEditControlValue();
}
m_dragRowOrCol = col; m_dragRowOrCol = col;
m_dragLastPos = -1;
DoUpdateResizeColWidth(GetColWidth(m_dragRowOrCol));
}
void wxGrid::DoUpdateResizeColWidth(int w)
{
wxPoint pt(GetColLeft(m_dragRowOrCol) + w, 0);
pt = CalcGridWindowScrolledPosition(pt, m_gridWin);
DrawGridDragLine(pt, wxGridColumnOperations(), m_gridWin);
} }
void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event, wxGridColLabelWindow* colLabelWin ) void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event, wxGridColLabelWindow* colLabelWin )
@@ -3795,7 +3789,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event, wxGridColLabelWindo
switch ( m_cursorMode ) switch ( m_cursorMode )
{ {
case WXGRID_CURSOR_RESIZE_COL: case WXGRID_CURSOR_RESIZE_COL:
DrawGridDragLine(event.GetPosition(), wxGridColumnOperations(), gridWindow); DoGridDragResize(event.GetPosition(), wxGridColumnOperations(), gridWindow);
break; break;
case WXGRID_CURSOR_SELECT_COL: case WXGRID_CURSOR_SELECT_COL:
@@ -3844,7 +3838,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event, wxGridColLabelWindo
const wxColour *color; const wxColour *color;
//Moving to the same place? Don't draw a marker //Moving to the same place? Don't draw a marker
if ( colNew == m_dragRowOrCol ) if ( colNew == m_dragMoveCol )
color = wxLIGHT_GREY; color = wxLIGHT_GREY;
else else
color = wxBLUE; color = wxBLUE;
@@ -3970,7 +3964,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event, wxGridColLabelWindo
break; break;
case WXGRID_CURSOR_MOVE_COL: case WXGRID_CURSOR_MOVE_COL:
if ( m_dragLastPos == -1 || col == m_dragRowOrCol ) if ( m_dragLastPos == -1 || col == m_dragMoveCol )
{ {
// the column didn't actually move anywhere // the column didn't actually move anywhere
if ( col != -1 ) if ( col != -1 )
@@ -3996,7 +3990,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event, wxGridColLabelWindo
const bool onNearPart = (x <= middle); const bool onNearPart = (x <= middle);
// adjust for the column being dragged itself // adjust for the column being dragged itself
if ( pos < GetColPos(m_dragRowOrCol) ) if ( pos < GetColPos(m_dragMoveCol) )
pos++; pos++;
// and if it's on the near part of the target column, // and if it's on the near part of the target column,
@@ -4049,13 +4043,16 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event, wxGridColLabelWindo
// //
else if ( event.Moving() ) else if ( event.Moving() )
{ {
m_dragRowOrCol = XToEdgeOfCol( x ); const int dragRowOrCol = XToEdgeOfCol( x );
if ( m_dragRowOrCol >= 0 ) if ( dragRowOrCol >= 0 )
{ {
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{ {
if ( CanDragColSize(m_dragRowOrCol) ) if ( CanDragColSize(dragRowOrCol) )
{
DoStartResizeRowOrCol(dragRowOrCol);
ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, colLabelWin, false); ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, colLabelWin, false);
}
} }
} }
else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL ) else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
@@ -4126,9 +4123,6 @@ void wxGrid::CancelMouseCapture()
if ( m_winCapture ) if ( m_winCapture )
{ {
DoAfterDraggingEnd(); DoAfterDraggingEnd();
// remove traces of whatever we drew on screen
Refresh();
} }
} }
@@ -4278,87 +4272,6 @@ wxGrid::DoGridCellDrag(wxMouseEvent& event,
return performDefault; return performDefault;
} }
void wxGrid::GetDragGridWindows(int pos,
const wxGridOperations& oper,
wxGridWindow*& firstGridWindow,
wxGridWindow*& secondGridWindow)
{
int numFrozenLines = oper.Select(wxPoint(m_numFrozenRows, m_numFrozenCols));
if ( numFrozenLines > 0 )
{
int lineEnd = oper.GetLineEndPos(this, numFrozenLines - 1);
// check if it is within frozen windows space
if ( pos < lineEnd )
{
firstGridWindow = m_frozenCornerGridWin;
secondGridWindow = oper.GetFrozenGrid(this);
}
else
{
firstGridWindow = oper.Dual().GetFrozenGrid(this);
secondGridWindow = m_gridWin;
}
}
else
{
firstGridWindow = m_gridWin;
secondGridWindow = NULL;
}
}
void wxGrid::DrawGridDragLine(wxPoint position,
const wxGridOperations& oper,
wxGridWindow* gridWindow)
{
// we need the vertical position for rows and horizontal for columns here
int pos = oper.Dual().Select(CalcGridWindowUnscrolledPosition(position, gridWindow));
// don't allow resizing beneath the minimal size
const int posMin = oper.GetLineStartPos(this, m_dragRowOrCol) +
oper.GetMinimalLineSize(this, m_dragRowOrCol);
if ( pos < posMin )
pos = posMin;
// erase the previously drawn line, if any
if ( m_dragLastPos >= 0 )
{
wxGridWindow* prevGridWindows[2] = { NULL, NULL };
GetDragGridWindows(m_dragLastPos, oper, prevGridWindows[0], prevGridWindows[1]);
DoGridLineDrag(m_dragLastPos, oper, prevGridWindows[0]);
DoGridLineDrag(m_dragLastPos, oper, prevGridWindows[1]);
}
// and draw it at the new position
wxGridWindow* currGridWindows[2] = { NULL, NULL };
GetDragGridWindows(pos, oper, currGridWindows[0], currGridWindows[1]);
DoGridLineDrag(pos, oper, currGridWindows[0]);
DoGridLineDrag(pos, oper, currGridWindows[1]);
m_dragLastPos = pos;
}
void wxGrid::DoGridLineDrag(int pos,
const wxGridOperations& oper,
wxGridWindow* gridWindow)
{
if ( !gridWindow )
return;
wxClientDC dc(gridWindow);
PrepareDCFor(dc, gridWindow);
dc.SetLogicalFunction(wxINVERT);
wxPoint offset = GetGridWindowOffset(gridWindow);
const wxRect rectWin(CalcGridWindowUnscrolledPosition(offset, gridWindow),
gridWindow->GetClientSize());
oper.DrawParallelLineInRect(dc, rectWin, pos);
}
bool wxGrid::DoGridDragEvent(wxMouseEvent& event, bool wxGrid::DoGridDragEvent(wxMouseEvent& event,
const wxGridCellCoords& coords, const wxGridCellCoords& coords,
bool isFirstDrag, bool isFirstDrag,
@@ -4370,11 +4283,11 @@ bool wxGrid::DoGridDragEvent(wxMouseEvent& event,
return DoGridCellDrag(event, coords, isFirstDrag); return DoGridCellDrag(event, coords, isFirstDrag);
case WXGRID_CURSOR_RESIZE_ROW: case WXGRID_CURSOR_RESIZE_ROW:
DrawGridDragLine(event.GetPosition(), wxGridRowOperations(), gridWindow); DoGridDragResize(event.GetPosition(), wxGridRowOperations(), gridWindow);
break; break;
case WXGRID_CURSOR_RESIZE_COL: case WXGRID_CURSOR_RESIZE_COL:
DrawGridDragLine(event.GetPosition(), wxGridColumnOperations(), gridWindow); DoGridDragResize(event.GetPosition(), wxGridColumnOperations(), gridWindow);
break; break;
default: default:
@@ -4549,7 +4462,7 @@ wxGrid::DoGridMouseMoveEvent(wxMouseEvent& WXUNUSED(event),
{ {
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{ {
m_dragRowOrCol = dragRow; DoStartResizeRowOrCol(dragRow);
ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, gridWindow, false); ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, gridWindow, false);
} }
} }
@@ -4561,7 +4474,7 @@ wxGrid::DoGridMouseMoveEvent(wxMouseEvent& WXUNUSED(event),
{ {
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{ {
m_dragRowOrCol = dragCol; DoStartResizeRowOrCol(dragCol);
ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, gridWindow, false); ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, gridWindow, false);
} }
} }
@@ -4700,145 +4613,97 @@ void wxGrid::ProcessGridCellMouseEvent(wxMouseEvent& event, wxGridWindow *eventG
} }
} }
// this function returns true only if the size really changed void wxGrid::DoGridDragResize(const wxPoint& position,
bool wxGrid::DoEndDragResizeLine(const wxGridOperations& oper, wxGridWindow *gridWindow) const wxGridOperations& oper,
wxGridWindow* gridWindow)
{ {
if ( m_dragLastPos == -1 ) // Get the logical position from the physical one we're passed.
return false; const wxPoint
logicalPos = CalcGridWindowUnscrolledPosition(position, gridWindow);
const wxGridOperations& doper = oper.Dual(); // Size of the row/column is determined by the mouse coordinates in the
const wxSize size = gridWindow->GetClientSize(); // orthogonal direction.
wxPoint offset = GetGridWindowOffset(gridWindow); const int linePos = oper.Dual().Select(logicalPos);
const wxPoint ptOrigin = CalcGridWindowUnscrolledPosition(offset, gridWindow);
const int posLineStart = oper.Select(ptOrigin);
const int posLineEnd = oper.Select(ptOrigin) + oper.Select(size);
// erase the last line we drew
wxGridWindow* endDragGridWindows[2] = { NULL, NULL };
GetDragGridWindows(m_dragLastPos, oper, endDragGridWindows[0], endDragGridWindows[1]);
DoGridLineDrag(m_dragLastPos, oper, endDragGridWindows[0]);
DoGridLineDrag(m_dragLastPos, oper, endDragGridWindows[1]);
// temporarily hide the edit control before resizing
HideCellEditControl();
SaveEditControlValue();
// increase the line size based on device, not logical position for frozen lines,
// so that it won't increase in size more that the window when scrolled
if ( m_dragRowOrCol < oper.Select(wxPoint(m_numFrozenRows, m_numFrozenCols)) )
{
wxPoint dragLastPoint(m_dragLastPos, m_dragLastPos);
dragLastPoint = CalcGridWindowScrolledPosition(dragLastPoint, gridWindow);
m_dragLastPos = doper.Select(dragLastPoint);
}
// do resize the line
const int lineStart = oper.GetLineStartPos(this, m_dragRowOrCol); const int lineStart = oper.GetLineStartPos(this, m_dragRowOrCol);
const int lineSizeOld = oper.GetLineSize(this, m_dragRowOrCol);
oper.SetLineSize(this, m_dragRowOrCol, oper.SetLineSize(this, m_dragRowOrCol,
wxMax(m_dragLastPos - lineStart, wxMax(linePos - lineStart,
oper.GetMinimalLineSize(this, m_dragRowOrCol))); oper.GetMinimalLineSize(this, m_dragRowOrCol)));
const bool
sizeChanged = oper.GetLineSize(this, m_dragRowOrCol) != lineSizeOld;
m_dragLastPos = -1; // TODO: generate RESIZING event, see #10754, if the size has changed.
}
// refresh now if we're not frozen wxPoint wxGrid::GetPositionForResizeEvent(int width) const
if ( !GetBatchCount() ) {
{ // Note that we currently always use m_gridWin here as using
// we need to refresh everything beyond the resized line in the header // wxGridHeaderCtrl is incompatible with using frozen rows/columns.
// window // This would need to be changed if they're allowed to be used together.
int x;
CalcGridWindowScrolledPosition(GetColLeft(m_dragRowOrCol) + width, 0,
&x, NULL,
m_gridWin);
// get the position from which to refresh in the other direction return wxPoint(x, 0);
wxRect rect(CellToRect(oper.MakeCoords(m_dragRowOrCol, 0)));
rect.SetPosition(CalcScrolledPosition(rect.GetPosition()));
// we only need the ordinate (for rows) or abscissa (for columns) here,
// and need to cover the entire window in the other direction
oper.Select(rect) = 0;
wxRect rectHeader(rect.GetPosition(),
oper.MakeSize
(
oper.GetHeaderWindowSize(this),
doper.Select(size) - doper.Select(rect)
));
oper.GetHeaderWindow(this)->Refresh(true, &rectHeader);
// also refresh the grid window: extend the rectangle
if ( m_table )
{
oper.SelectSize(rect) = oper.Select(size);
int subtractLines = 0;
int line = doper.PosToLine(this, posLineStart, NULL);
if ( line >= 0 )
{
// ensure that if we have a multi-cell block we redraw all of
// it by increasing the refresh area to cover it entirely if a
// part of it is affected
const int lineEnd = doper.PosToLine(this, posLineEnd, NULL, true);
for ( ; line < lineEnd; line++ )
{
int cellLines = oper.Select(
GetCellSize(oper.MakeCoords(m_dragRowOrCol, line)));
if ( cellLines < subtractLines )
subtractLines = cellLines;
}
}
int startPos =
oper.GetLineStartPos(this, m_dragRowOrCol + subtractLines);
startPos = doper.CalcScrolledPosition(this, startPos);
doper.Select(rect) = startPos;
doper.SelectSize(rect) = doper.Select(size) - startPos;
Refresh(false, &rect);
}
}
// show the edit control back again
ShowCellEditControl();
return sizeChanged;
} }
void wxGrid::DoEndDragResizeRow(const wxMouseEvent& event, wxGridWindow* gridWindow) void wxGrid::DoEndDragResizeRow(const wxMouseEvent& event, wxGridWindow* gridWindow)
{ {
// TODO: generate RESIZING event, see #10754 DoGridDragResize(event.GetPosition(), wxGridRowOperations(), gridWindow);
if ( DoEndDragResizeLine(wxGridRowOperations(), gridWindow) ) SendGridSizeEvent(wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event);
SendGridSizeEvent(wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event);
m_dragRowOrCol = -1;
} }
void wxGrid::DoEndDragResizeCol(const wxMouseEvent& event, wxGridWindow* gridWindow) void wxGrid::DoEndDragResizeCol(const wxMouseEvent& event, wxGridWindow* gridWindow)
{ {
// TODO: generate RESIZING event, see #10754 DoGridDragResize(event.GetPosition(), wxGridColumnOperations(), gridWindow);
if ( DoEndDragResizeLine(wxGridColumnOperations(), gridWindow) ) SendGridSizeEvent(wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event);
SendGridSizeEvent(wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event);
m_dragRowOrCol = -1;
}
void wxGrid::DoHeaderStartDragResizeCol(int col)
{
DoStartResizeRowOrCol(col);
}
void wxGrid::DoHeaderDragResizeCol(int width)
{
DoGridDragResize(GetPositionForResizeEvent(width),
wxGridColumnOperations(),
m_gridWin);
}
void wxGrid::DoHeaderEndDragResizeCol(int width)
{
// Unfortunately we need to create a dummy mouse event here to avoid
// modifying too much existing code. Note that only position and keyboard
// state parts of this event object are actually used, so the rest
// (even including some crucial parts, such as event type) can be left
// uninitialized.
wxMouseEvent e;
e.SetState(wxGetMouseState());
e.SetPosition(GetPositionForResizeEvent(width));
DoEndDragResizeCol(e, m_gridWin);
} }
void wxGrid::DoStartMoveCol(int col) void wxGrid::DoStartMoveCol(int col)
{ {
m_dragRowOrCol = col; m_dragMoveCol = col;
} }
void wxGrid::DoEndMoveCol(int pos) void wxGrid::DoEndMoveCol(int pos)
{ {
wxASSERT_MSG( m_dragRowOrCol != -1, "no matching DoStartMoveCol?" ); wxASSERT_MSG( m_dragMoveCol != -1, "no matching DoStartMoveCol?" );
if ( SendEvent(wxEVT_GRID_COL_MOVE, -1, m_dragRowOrCol) != -1 ) if ( SendEvent(wxEVT_GRID_COL_MOVE, -1, m_dragMoveCol) != -1 )
SetColPos(m_dragRowOrCol, pos); SetColPos(m_dragMoveCol, pos);
//else: vetoed by user //else: vetoed by user
m_dragRowOrCol = -1; m_dragMoveCol = -1;
} }
void wxGrid::RefreshAfterColPosChange() void wxGrid::RefreshAfterColPosChange()
@@ -5055,11 +4920,10 @@ bool wxGrid::FreezeTo(int row, int col)
// recompute dimensions // recompute dimensions
InvalidateBestSize(); InvalidateBestSize();
if ( !GetBatchCount() ) CalcDimensions();
{
CalcDimensions(); if ( ShouldRefresh() )
Refresh(); Refresh();
}
return true; return true;
} }
@@ -5116,7 +4980,7 @@ void wxGrid::ClearGrid()
DisableCellEditControl(); DisableCellEditControl();
m_table->Clear(); m_table->Clear();
if (!GetBatchCount()) if ( ShouldRefresh() )
m_gridWin->Refresh(); m_gridWin->Refresh();
} }
} }
@@ -5267,17 +5131,11 @@ wxGrid::SendEvent(wxEventType type, int row, int col, const wxString& s)
return claimed ? 1 : 0; return claimed ? 1 : 0;
} }
void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
// needed to prevent zillions of paint events on MSW
wxPaintDC dc(this);
}
void wxGrid::Refresh(bool eraseb, const wxRect* rect) void wxGrid::Refresh(bool eraseb, const wxRect* rect)
{ {
// Don't do anything if between Begin/EndBatch... // Don't do anything if between Begin/EndBatch...
// EndBatch() will do all this on the last nested one anyway. // EndBatch() will do all this on the last nested one anyway.
if ( m_created && !GetBatchCount() ) if ( m_created && ShouldRefresh() )
{ {
// Refresh to get correct scrolled position: // Refresh to get correct scrolled position:
wxScrolledCanvas::Refresh(eraseb, rect); wxScrolledCanvas::Refresh(eraseb, rect);
@@ -5755,10 +5613,6 @@ void wxGrid::OnChar( wxKeyEvent& event )
} }
} }
void wxGrid::OnEraseBackground(wxEraseEvent&)
{
}
void wxGrid::DoGridProcessTab(wxKeyboardState& kbdState) void wxGrid::DoGridProcessTab(wxKeyboardState& kbdState)
{ {
const bool isForwardTab = !kbdState.ShiftDown(); const bool isForwardTab = !kbdState.ShiftDown();
@@ -5876,7 +5730,7 @@ bool wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
m_currentCellCoords = coords; m_currentCellCoords = coords;
#if !defined(__WXMAC__) #if !defined(__WXMAC__)
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
wxGridCellAttrPtr attr = GetCellAttrPtr( coords ); wxGridCellAttrPtr attr = GetCellAttrPtr( coords );
wxClientDC dc( currentGridWindow ); wxClientDC dc( currentGridWindow );
@@ -8105,7 +7959,7 @@ void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
if ( m_frozenCornerGridWin ) if ( m_frozenCornerGridWin )
m_frozenCornerGridWin->SetBackgroundColour( colour ); m_frozenCornerGridWin->SetBackgroundColour( colour );
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
m_rowLabelWin->Refresh(); m_rowLabelWin->Refresh();
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
@@ -8126,7 +7980,7 @@ void wxGrid::SetLabelTextColour( const wxColour& colour )
if ( m_labelTextColour != colour ) if ( m_labelTextColour != colour )
{ {
m_labelTextColour = colour; m_labelTextColour = colour;
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
m_rowLabelWin->Refresh(); m_rowLabelWin->Refresh();
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
@@ -8137,7 +7991,7 @@ void wxGrid::SetLabelTextColour( const wxColour& colour )
void wxGrid::SetLabelFont( const wxFont& font ) void wxGrid::SetLabelFont( const wxFont& font )
{ {
m_labelFont = font; m_labelFont = font;
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
m_rowLabelWin->Refresh(); m_rowLabelWin->Refresh();
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
@@ -8171,7 +8025,7 @@ void wxGrid::SetRowLabelAlignment( int horiz, int vert )
m_rowLabelVertAlign = vert; m_rowLabelVertAlign = vert;
} }
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
m_rowLabelWin->Refresh(); m_rowLabelWin->Refresh();
} }
@@ -8204,7 +8058,7 @@ void wxGrid::SetColLabelAlignment( int horiz, int vert )
m_colLabelVertAlign = vert; m_colLabelVertAlign = vert;
} }
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
} }
@@ -8237,7 +8091,7 @@ void wxGrid::SetCornerLabelAlignment( int horiz, int vert )
m_cornerLabelVertAlign = vert; m_cornerLabelVertAlign = vert;
} }
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
m_cornerLabelWin->Refresh(); m_cornerLabelWin->Refresh();
} }
@@ -8255,7 +8109,7 @@ void wxGrid::SetColLabelTextOrientation( int textOrientation )
if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL ) if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
m_colLabelTextOrientation = textOrientation; m_colLabelTextOrientation = textOrientation;
if ( !GetBatchCount() ) if ( ShouldRefresh() )
m_colLabelWin->Refresh(); m_colLabelWin->Refresh();
} }
@@ -8264,7 +8118,7 @@ void wxGrid::SetCornerLabelTextOrientation( int textOrientation )
if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL ) if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
m_cornerLabelTextOrientation = textOrientation; m_cornerLabelTextOrientation = textOrientation;
if ( !GetBatchCount() ) if ( ShouldRefresh() )
m_cornerLabelWin->Refresh(); m_cornerLabelWin->Refresh();
} }
@@ -8273,7 +8127,7 @@ void wxGrid::SetRowLabelValue( int row, const wxString& s )
if ( m_table ) if ( m_table )
{ {
m_table->SetRowLabelValue( row, s ); m_table->SetRowLabelValue( row, s );
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
wxRect rect = CellToRect( row, 0 ); wxRect rect = CellToRect( row, 0 );
if ( rect.height > 0 ) if ( rect.height > 0 )
@@ -8292,7 +8146,7 @@ void wxGrid::SetColLabelValue( int col, const wxString& s )
if ( m_table ) if ( m_table )
{ {
m_table->SetColLabelValue( col, s ); m_table->SetColLabelValue( col, s );
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
if ( m_useNativeHeader ) if ( m_useNativeHeader )
{ {
@@ -8318,7 +8172,7 @@ void wxGrid::SetCornerLabelValue( const wxString& s )
if ( m_table ) if ( m_table )
{ {
m_table->SetCornerLabelValue( s ); m_table->SetCornerLabelValue( s );
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
wxRect rect = m_cornerLabelWin->GetRect(); wxRect rect = m_cornerLabelWin->GetRect();
m_cornerLabelWin->Refresh(true, &rect); m_cornerLabelWin->Refresh(true, &rect);
@@ -8398,7 +8252,7 @@ void wxGrid::SetGridFrozenBorderColour(const wxColour &colour)
{ {
m_gridFrozenBorderColour = colour; m_gridFrozenBorderColour = colour;
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
if ( m_frozenRowGridWin ) if ( m_frozenRowGridWin )
m_frozenRowGridWin->Refresh(); m_frozenRowGridWin->Refresh();
@@ -8414,7 +8268,7 @@ void wxGrid::SetGridFrozenBorderPenWidth(int width)
{ {
m_gridFrozenBorderPenWidth = width; m_gridFrozenBorderPenWidth = width;
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
if ( m_frozenRowGridWin ) if ( m_frozenRowGridWin )
m_frozenRowGridWin->Refresh(); m_frozenRowGridWin->Refresh();
@@ -8426,8 +8280,8 @@ void wxGrid::SetGridFrozenBorderPenWidth(int width)
void wxGrid::RedrawGridLines() void wxGrid::RedrawGridLines()
{ {
// the lines will be redrawn when the window is thawn // the lines will be redrawn when the window is thawed or shown
if ( GetBatchCount() ) if ( !ShouldRefresh() )
return; return;
if ( GridLinesEnabled() ) if ( GridLinesEnabled() )
@@ -9086,8 +8940,7 @@ void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
// some speed optimisations) // some speed optimisations)
m_rowHeights.Empty(); m_rowHeights.Empty();
m_rowBottoms.Empty(); m_rowBottoms.Empty();
if ( !GetBatchCount() ) CalcDimensions();
CalcDimensions();
} }
} }
@@ -9194,10 +9047,89 @@ void wxGrid::DoSetRowSize( int row, int height )
InvalidateBestSize(); InvalidateBestSize();
if ( !GetBatchCount() ) CalcDimensions();
if ( ShouldRefresh() )
{ {
CalcDimensions(); // We need to check the size of all the currently visible cells and
Refresh(); // decrease the row to cover the start of the multirow cells, if any,
// because we need to refresh such cells entirely when resizing.
int topRow = row;
// Note that we don't care about the cells in frozen windows here as
// they can't have multiple rows currently.
const wxRect rect = m_gridWin->GetRect();
int left, right;
CalcUnscrolledPosition(rect.GetLeft(), 0, &left, NULL);
CalcUnscrolledPosition(rect.GetRight(), 0, &right, NULL);
const int posLeft = XToPos(left, m_gridWin);
const int posRight = XToPos(right, m_gridWin);
for ( int pos = posLeft; pos <= posRight; ++pos )
{
int col = GetColAt(pos);
int numRows, numCols;
if ( GetCellSize(row, col, &numRows, &numCols) == CellSpan_Inside )
{
// Notice that numRows here is negative.
if ( row + numRows < topRow )
topRow = row + numRows;
}
}
// Helper object to refresh part of the window below the given position
// (in physical coordinates).
class LowerWindowPartRefresher
{
public:
explicit LowerWindowPartRefresher(int top)
: m_top(top)
{
}
void operator()(wxWindow* w) const
{
wxSize size = w->GetClientSize();
size.y -= m_top;
w->RefreshRect(wxRect(wxPoint(0, m_top), size));
}
private:
const int m_top;
};
int y;
CalcScrolledPosition(0, GetRowTop(topRow), NULL, &y);
if ( topRow < m_numFrozenRows )
{
// This row is frozen, refresh the frozen windows.
LowerWindowPartRefresher refreshLowerPart(y);
refreshLowerPart(m_rowFrozenLabelWin);
refreshLowerPart(m_frozenRowGridWin);
// If there are any frozen columns as well, there is one more
// window to refresh.
if ( m_frozenCornerGridWin )
refreshLowerPart(m_frozenCornerGridWin);
}
else // This row is not frozen.
{
// If we have any frozen rows, all the windows we're refreshing
// here are offset by their height.
if ( m_rowFrozenLabelWin )
y -= m_rowFrozenLabelWin->GetSize().y;
LowerWindowPartRefresher refreshLowerPart(y);
refreshLowerPart(m_rowLabelWin);
refreshLowerPart(m_gridWin);
if ( m_frozenColGridWin )
refreshLowerPart(m_frozenColGridWin);
}
} }
} }
@@ -9214,8 +9146,8 @@ void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
// some speed optimisations) // some speed optimisations)
m_colWidths.Empty(); m_colWidths.Empty();
m_colRights.Empty(); m_colRights.Empty();
if ( !GetBatchCount() )
CalcDimensions(); CalcDimensions();
} }
} }
@@ -9292,10 +9224,81 @@ void wxGrid::DoSetColSize( int col, int width )
InvalidateBestSize(); InvalidateBestSize();
if ( !GetBatchCount() ) CalcDimensions();
if ( ShouldRefresh() )
{ {
CalcDimensions(); // This code is symmetric with DoSetRowSize(), see there for more
Refresh(); // comments.
int leftCol = col;
const wxRect rect = m_gridWin->GetRect();
int top, bottom;
CalcUnscrolledPosition(0, rect.GetTop(), NULL, &top);
CalcUnscrolledPosition(0, rect.GetBottom(), NULL, &bottom);
const int rowTop = YToRow(top, m_gridWin);
const int rowBottom = YToRow(bottom, m_gridWin);
for ( int row = rowTop; row <= rowBottom; ++row )
{
int numRows, numCols;
if ( GetCellSize(row, col, &numRows, &numCols) == CellSpan_Inside )
{
if ( col + numCols < leftCol )
leftCol = col + numCols;
}
}
// This is supposed to be the equivalent of LowerWindowPartRefresher
// for the rows, but there is no real counterpart to "lower" in
// horizontal direction, so use the clumsy "further" as the least bad
// alternative.
class FurtherWindowPartRefresher
{
public:
explicit FurtherWindowPartRefresher(int left)
: m_left(left)
{
}
void operator()(wxWindow* w) const
{
wxSize size = w->GetClientSize();
size.x -= m_left;
w->RefreshRect(wxRect(wxPoint(m_left, 0), size));
}
private:
const int m_left;
};
int x;
CalcScrolledPosition(GetColLeft(leftCol), 0, &x, NULL);
if ( leftCol < m_numFrozenCols )
{
FurtherWindowPartRefresher refreshFurtherPart(x);
refreshFurtherPart(m_colFrozenLabelWin);
refreshFurtherPart(m_frozenColGridWin);
if ( m_frozenCornerGridWin )
refreshFurtherPart(m_frozenCornerGridWin);
}
else
{
if ( m_colFrozenLabelWin )
x -= m_colFrozenLabelWin->GetSize().x;
FurtherWindowPartRefresher refreshFurtherPart(x);
refreshFurtherPart(m_colLabelWin);
refreshFurtherPart(m_gridWin);
if ( m_frozenRowGridWin )
refreshFurtherPart(m_frozenRowGridWin);
}
} }
} }
@@ -9557,7 +9560,7 @@ wxGrid::AutoSizeColOrRow(int colOrRow, bool setAsMin, wxGridDirection direction)
extentMax = wxMax(extentMax, GetColMinimalWidth(colOrRow)); extentMax = wxMax(extentMax, GetColMinimalWidth(colOrRow));
SetColSize( colOrRow, extentMax ); SetColSize( colOrRow, extentMax );
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
if ( m_useNativeHeader ) if ( m_useNativeHeader )
{ {
@@ -9585,7 +9588,7 @@ wxGrid::AutoSizeColOrRow(int colOrRow, bool setAsMin, wxGridDirection direction)
extentMax = wxMax(extentMax, GetRowMinimalHeight(colOrRow)); extentMax = wxMax(extentMax, GetRowMinimalHeight(colOrRow));
SetRowSize(colOrRow, extentMax); SetRowSize(colOrRow, extentMax);
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
int cw, ch, dummy; int cw, ch, dummy;
m_gridWin->GetClientSize( &cw, &ch ); m_gridWin->GetClientSize( &cw, &ch );
@@ -9791,7 +9794,7 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
if ( m_table ) if ( m_table )
{ {
m_table->SetValue( row, col, s ); m_table->SetValue( row, col, s );
if ( !GetBatchCount() ) if ( ShouldRefresh() )
{ {
int dummy; int dummy;
wxRect rect( CellToRect( row, col ) ); wxRect rect( CellToRect( row, col ) );

16
tests/controls/gridtest.cpp
View File

@@ -1115,7 +1115,16 @@ TEST_CASE_METHOD(GridTestCase, "Grid::ColumnMinWidth", "[grid]")
return; return;
SECTION("Default") {} SECTION("Default") {}
SECTION("Native header") { m_grid->UseNativeColHeader(); } SECTION("Native header")
{
// For some unknown reason, this test fails under AppVeyor even though
// it passes locally, so disable it there. If anybody can reproduce the
// problem locally, where it can be debugged, please let us know.
if ( IsAutomaticTest() )
return;
m_grid->UseNativeColHeader();
}
int const startminwidth = m_grid->GetColMinimalAcceptableWidth(); int const startminwidth = m_grid->GetColMinimalAcceptableWidth();
m_grid->SetColMinimalAcceptableWidth(startminwidth*2); m_grid->SetColMinimalAcceptableWidth(startminwidth*2);
@@ -1144,10 +1153,7 @@ TEST_CASE_METHOD(GridTestCase, "Grid::ColumnMinWidth", "[grid]")
sim.MouseUp(); sim.MouseUp();
wxYield(); wxYield();
if ( m_grid->IsUsingNativeHeader() ) CHECK(m_grid->GetColSize(0) == newminwidth);
CHECK(m_grid->GetColSize(0) == startwidth);
else
CHECK(m_grid->GetColSize(0) == newminwidth);
#endif #endif
} }