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program gridtest;
{$mode objfpc}{$H+}
uses
{$IFDEF UNIX}{$IFDEF UseCThreads}
cthreads,
{$ENDIF}{$ENDIF}
Classes,
SysUtils,
gfxbase,
fpgfx,
gui_form,
gui_grid,
gui_button,
gui_checkbox,
gui_tab;
type
{ TMainForm }
TMainForm = class(TfpgForm)
private
btnQuit: TfpgButton;
pagecontrol: TfpgPageControl;
tsTab1: TfpgTabSheet;
tsTab2: TfpgTabSheet;
grdMain: TfpgStringGrid;
stringgrid: TfpgStringGrid;
chkShowHeader: TfpgCheckBox;
chkShowGrid: TfpgCheckBox;
chkRowSelect: TfpgCheckBox;
chkDisabled: TfpgCheckBox;
procedure chkDisabledChange(Sender: TObject);
procedure chkRowSelectChange(Sender: TObject);
procedure chkShowHeaderChange(Sender: TObject);
procedure chkShowGridChange(Sender: TObject);
procedure btnQuitClick(Sender: TObject);
procedure stringgridDrawCell(Sender: TObject; const ARow, ACol: Longword;
const ARect: TfpgRect; AFlags: integer; var ADefaultDrawing: boolean);
protected
procedure HandleShow; override;
public
constructor Create(AOwner: TComponent); override;
end;
{ TMainForm }
procedure TMainForm.chkDisabledChange(Sender: TObject);
begin
// grdMain.Enabled := not chkDisabled.Checked;
stringgrid.Enabled := not chkDisabled.Checked;
end;
procedure TMainForm.chkRowSelectChange(Sender: TObject);
begin
// grdMain.RowSelect := chkRowSelect.Checked;
stringgrid.RowSelect := chkRowSelect.Checked;
end;
procedure TMainForm.chkShowHeaderChange(Sender: TObject);
begin
// grdMain.ShowHeader := chkShowHeader.Checked;
stringgrid.ShowHeader := chkShowHeader.Checked;
end;
procedure TMainForm.chkShowGridChange(Sender: TObject);
begin
// grdMain.ShowGrid := chkShowGrid.Checked;
stringgrid.ShowGrid := chkShowGrid.Checked;
end;
procedure TMainForm.btnQuitClick(Sender: TObject);
begin
Close;
end;
procedure TMainForm.stringgridDrawCell(Sender: TObject; const ARow,
ACol: Longword; const ARect: TfpgRect; AFlags: integer;
var ADefaultDrawing: boolean);
begin
if (ACol = 1) and (ARow = 3) then
begin
ADefaultDrawing := False;
StringGrid.Canvas.SetColor(clGreen);
fpgStyle.DrawDirectionArrow(StringGrid.Canvas, ARect.Left, ARect.Top,
ARect.Height, ARect.Height, 3);
StringGrid.Canvas.SetTextColor(clTeal);
StringGrid.Canvas.DrawString(ARect.Height + ARect.Left + 2, ARect.Top, StringGrid.Cells[ACol, ARow]);
end;
end;
procedure TMainForm.HandleShow;
begin
inherited HandleShow;
end;
constructor TMainForm.Create(AOwner: TComponent);
var
c: integer;
r: integer;
begin
inherited Create(AOwner);
WindowTitle := 'Grid control test';
SetPosition(100, 100, 566, 350);
btnQuit := CreateButton(self, 476, 320, 80, 'Quit', @btnQuitClick);
btnQuit.ImageName := 'stdimg.Quit';
btnQuit.ShowImage := True;
btnQuit.Anchors := [anRight, anBottom];
pagecontrol := TfpgPageControl.Create(self);
pagecontrol.SetPosition(10, 10, Width-20, 300);
pagecontrol.Anchors := [anLeft, anTop, anRight, anBottom];
tsTab1 := TfpgTabSheet.Create(pagecontrol);
tsTab1.Text := 'Base Grid';
// grdMain := TfpgStringGrid.Create(tsTab1);
// grdMain.SetPosition(10, 10, Width-50, 250);
// grdMain.Anchors := [anLeft, anTop, anRight, anBottom];
// grdMain.RowCount := 25;
// for c := 1 to grdMain.ColumnCount do
// grdMain.Columns[c-1].Title := 'Title ' + IntToStr(c);
tsTab2 := pagecontrol.AppendTabSheet('String Grid');
stringgrid := TfpgStringGrid.Create(tsTab2);
stringgrid.SetPosition(10, 10, Width-50, 250);
// change row and column count to something different than the default
stringgrid.ColumnCount := 2;
stringgrid.RowCount := 3;
// add and change a column
stringgrid.AddColumn('Extra (col3)', 100);
stringgrid.ColumnWidth[3] := 150;
// changes header text in different ways
stringgrid.ColumnTitle[1] := 'Column 1';
stringgrid.Columns[2].Title := 'Col 2';
// add some text
stringgrid.Cells[1, 1] := '(r1,c1)';
stringgrid.Cells[1, 3] := 'Custom';
stringgrid.Cells[2, 3] := 'Hello';
stringgrid.Cells[3, 1] := '(r1,c3)';
// alignment test
stringgrid.columns[1].Alignment := taLeftJustify;
stringgrid.Cells[1, 2] := 'left';
stringgrid.columns[2].Alignment := taCenter;
stringgrid.Cells[2, 2] := 'center';
stringgrid.columns[3].Alignment := taRightJustify;
stringgrid.Cells[3, 2] := 'right';
// override default colors
stringgrid.BackgroundColor:= clKhaki;
stringgrid.ColumnBackgroundColor[2] := clLightGray;
stringgrid.TextColor:= clBlue;
stringgrid.ColumnTextColor[1] := clRed;
// Add custom painting
stringgrid.OnDrawCell := @stringgridDrawCell;
pagecontrol.ActivePageIndex := 0;
chkShowHeader := CreateCheckBox(self, 10, 320, 'Show Header');
chkShowHeader.Checked := True;
chkShowHeader.OnChange := @chkShowHeaderChange;
chkShowHeader.Anchors := [anLeft, anBottom];
chkShowGrid := CreateCheckBox(self, chkShowHeader.Right+10, 320, 'Show Grid');
chkShowGrid.Checked := True;
chkShowGrid.OnChange := @chkShowGridChange;
chkShowGrid.Anchors := [anLeft, anBottom];
chkRowSelect := CreateCheckBox(self, chkShowGrid.Right+10, 320, 'Row Select');
chkRowSelect.Checked := False;
chkRowSelect.OnChange := @chkRowSelectChange;
chkRowSelect.Anchors := [anLeft, anBottom];
chkDisabled := CreateCheckBox(self, chkRowSelect.Right+10, 320, 'Disabled');
chkDisabled.Checked := False;
chkDisabled.OnChange := @chkDisabledChange;
chkDisabled.Anchors := [anLeft, anBottom];
end;
procedure MainProc;
var
frm: TMainForm;
begin
fpgApplication.Initialize;
frm := TMainForm.Create(nil);
frm.Show;
fpgApplication.Run;
frm.Free;
end;
begin
MainProc;
end.
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