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fpspreadsheet: Beginning to implement RTL mode for the WorksheetGrid (merged cells, borderlines, selection), code by forum user "shobits1"

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4452 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2016-01-21 22:45:38 +00:00
parent 58b31b09a7
commit 134f7b1e51
1 changed files with 44 additions and 11 deletions
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33
components/fpspreadsheet/fpspreadsheetgrid.pas
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@ -1688,6 +1688,9 @@ begin
// Avoid painting into the header cells
cliprect := ClientRect;
if FixedCols > 0 then
if IsRightToLeft then
ColRowToOffset(True, true, FixedCols-1, cliprect.Right, tmp)
else
ColRowToOffset(True, True, FixedCols-1, tmp, cliprect.Left);
if FixedRows > 0 then
ColRowToOffset(False, True, FixedRows-1, tmp, cliprect.Top);
@ -1884,12 +1887,23 @@ var
fmt: PsCellFormat;
begin
if Assigned(Worksheet) then begin
if IsRightToLeft then
begin
// Left border
if GetBorderStyle(ACol, ARow, +1, 0, ACell, bs) then
DrawBorderLine(ARect.Left-1, ARect, drawVert, bs);
// Right border
if GetBorderStyle(ACol, ARow, -1, 0, ACell, bs) then
DrawBorderLine(ARect.Right-1, ARect, drawVert, bs);
end else
begin
// Left border
if GetBorderStyle(ACol, ARow, -1, 0, ACell, bs) then
DrawBorderLine(ARect.Left-1, ARect, drawVert, bs);
// Right border
if GetBorderStyle(ACol, ARow, +1, 0, ACell, bs) then
DrawBorderLine(ARect.Right-1, ARect, drawVert, bs);
end;
// Top border
if GetBorderstyle(ACol, ARow, 0, -1, ACell, bs) then
DrawBorderLine(ARect.Top-1, ARect, drawHor, bs);
@ -2211,8 +2225,15 @@ begin
end;
end;
if IsRightToLeft then
begin
ColRowToOffset(true, true, gc, tmp, rct.Right);
ColRowToOffset(true, true, gcNext-1, rct.Left, tmp);
end else
begin
ColRowToOffset(true, true, gc, rct.Left, tmp);
ColRowToOffset(true, true, gcNext-1, tmp, rct.Right);
end;
if (rct.Left < rct.Right) and HorizontalIntersect(rct, clipArea) then
begin
@ -2268,19 +2289,30 @@ begin
if Worksheet.IsMerged(cell) then
begin
Worksheet.FindMergedRange(cell, r1,c1,r2,c2);
if IsRightToLeft then
begin
P1.y := CellRect(GetGridCol(c1), GetGridRow(r1)).Top;
P1.x := CellRect(GetGridCol(c1), GetGridRow(r1)).Right;
P2.y := CellRect(GetGridCol(c2), GetGridRow(r2)).Bottom;
P2.x := CellRect(GetGridCol(c2), GetGridRow(r2)).Left;
end else
begin
P1 := CellRect(GetGridCol(c1), GetGridRow(r1)).TopLeft;
P2 := CellRect(GetGridCol(c2), GetGridRow(r2)).BottomRight;
end;
end else
begin
P1 := CellRect(Selection.Left, Selection.Top).TopLeft;
P2 := CellRect(Selection.Right, Selection.Bottom).BottomRight;
end;
// Cosmetics at the edges of the grid to avoid spurious rests
delta := FSelPen.Width div 2;
if Selection.Top > TopRow then dec(P1.Y, delta) else inc(P1.Y, delta);
if Selection.Left > LeftCol then dec(P1.X, delta) else inc(P1.X, delta);
if Selection.Right = ColCount-1 then dec(P2.X, delta);
if Selection.Bottom = RowCount-1 then dec(P2.Y, delta);
// Set up the canvas
Canvas.Pen.Assign(FSelPen);
if UseXORFeatures then begin
@ -2288,6 +2320,7 @@ begin
Canvas.Pen.Mode := pmXOR;
end;
Canvas.Brush.Style := bsClear;
// Paint
Canvas.Rectangle(P1.X, P1.Y, P2.X, P2.Y);
end;