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unit ceFontFrame;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Graphics, Forms, Controls, StdCtrls, Dialogs, Spin,
ExtCtrls;
type
{ TChartFontFrame }
TChartFontFrame = class(TFrame)
cbBold: TCheckBox;
cbFontColor: TColorButton;
cbItalic: TCheckBox;
cbUnderline: TCheckBox;
cmbFontName: TComboBox;
cmbFontSize: TComboBox;
lblOrientation: TLabel;
Panel1: TPanel;
Panel2: TPanel;
seOrientation: TSpinEdit;
procedure cbBoldChange(Sender: TObject);
procedure cbFontColorColorChanged(Sender: TObject);
procedure cbItalicChange(Sender: TObject);
procedure cbUnderlineChange(Sender: TObject);
procedure cmbFontNameChange(Sender: TObject);
procedure cmbFontSizeChange(Sender: TObject);
procedure seOrientationChange(Sender: TObject);
private
FFont: TFont;
FOnChange: TNotifyEvent;
procedure DoChanged;
public
constructor Create(AOwner: TComponent); override;
procedure GetData(AFont: TFont);
procedure Prepare(AFont: TFont; WithOrientation: boolean);
property OnChange: TNotifyEvent read FOnChange write FOnChange;
end;
implementation
{$R *.lfm}
uses
ceUtils;
const
FONT_SIZES: array[0..20] of String = (
'default', '8', '9', '10', '12', '14', '16', '18', '20', '22', '24', '28',
'32', '36', '40', '44', '48', '56', '64', '72', '80');
constructor TChartFontFrame.Create(AOwner: TComponent);
var
i: Integer;
begin
inherited;
cmbFontName.Items.Assign(Screen.Fonts);
cmbFontName.Items.Insert(0, 'default');
for i:=0 to High(FONT_SIZES) do
cmbFontSize.Items.Add(FONT_SIZES[i]);
cbFontColor.Width := cbFontColor.Height;
cmbFontName.DropdownCount := DEFAULT_DROPDOWN_COUNT;
cmbFontSize.DropdownCount := DEFAULT_DROPDOWN_COUNT;
end;
procedure TChartFontFrame.cbBoldChange(Sender: TObject);
begin
if cbBold.Checked then
FFont.Style := FFont.Style + [fsBold]
else
FFont.Style := FFont.Style - [fsBold];
DoChanged;
end;
procedure TChartFontFrame.cbFontColorColorChanged(Sender: TObject);
begin
FFont.Color := cbFontColor.ButtonColor;
DoChanged;
end;
procedure TChartFontFrame.cbItalicChange(Sender: TObject);
begin
if cbItalic.Checked then
FFont.Style := FFont.Style + [fsItalic]
else
FFont.Style := FFont.Style - [fsItalic];
DoChanged;
end;
procedure TChartFontFrame.cbUnderlineChange(Sender: TObject);
begin
if cbUnderline.Checked then
FFont.Style := FFont.Style + [fsUnderline]
else
FFont.Style := FFont.Style - [fsUnderline];
DoChanged;
end;
procedure TChartFontFrame.cmbFontNameChange(Sender: TObject);
begin
if cmbFontName.ItemIndex < 1 then
FFont.Name := 'default'
else
FFont.Name := cmbFontName.Items[cmbFontName.ItemIndex];
DoChanged;
end;
procedure TChartFontFrame.cmbFontSizeChange(Sender: TObject);
begin
if cmbFontSize.ItemIndex < 1 then
FFont.Size := 0
else
FFont.Size := StrToInt(cmbFontSize.Items[cmbFontSize.ItemIndex]);
DoChanged;
end;
procedure TChartFontFrame.seOrientationChange(Sender: TObject);
begin
FFont.Orientation := seOrientation.Value * 10;
DoChanged;
end;
procedure TChartFontFrame.DoChanged;
begin
if Assigned(FOnChange) then FOnChange(Self);
end;
procedure TChartFontFrame.GetData(AFont: TFont);
begin
if cmbFontSize.ItemIndex < 1 then
AFont.Name := cmbFontName.Items[0]
else
AFont.Name := cmbFontName.Items[cmbFontName.ItemIndex];
if cmbFontSize.ItemIndex < 1 then
AFont.Size := 0
else
AFont.Size := StrToInt(cmbFontSize.Items[cmbFontSize.ItemIndex]);
AFont.Orientation := seOrientation .Value * 10;
AFont.Color := cbFontColor.ButtonColor;
if cbBold.Checked then AFont.Style := AFont.Style + [fsBold] else AFont.Style := [];
if cbItalic.Checked then AFont.Style := AFont.Style + [fsItalic] else AFont.Style := [];
if cbUnderline.Checked then AFont.Style := AFont.Style + [fsUnderline] else AFont.Style := [];
end;
procedure TChartFontFrame.Prepare(AFont: TFont; WithOrientation: Boolean);
begin
FFont := AFont;
cmbFontName.ItemIndex := cmbFontName.Items.IndexOf(AFont.Name);
if cmbFontName.ItemIndex = -1 then cmbFontName.ItemIndex := 0;
cmbFontSize.ItemIndex := cmbFontSize.Items.IndexOf(IntToStr(AFont.Size));
if cmbFontSize.ItemIndex = -1 then cmbFontSize.ItemIndex := 0;
seOrientation.Value := AFont.Orientation div 10;
cbFontColor.ButtonColor := ColorToRGB(AFont.Color);
seOrientation.Visible := WithOrientation;
lblOrientation.Visible := WithOrientation;
cbBold.Checked := fsBold in AFont.Style;
cbItalic.Checked := fsItalic in AFont.Style;
cbUnderline.Checked := fsUnderline in AFont.Style;
end;
end.
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