CentrED

(*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at

 * http://www.opensource.org/licenses/cddl1.php.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at

 * http://www.opensource.org/licenses/cddl1.php.  If applicable,

 * add the following below this CDDL HEADER, with the fields enclosed

 * by brackets "[]" replaced with your own identifying * information:

 *      Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 *

 *

 *      Portions Copyright 2007 Andreas Schneider

 *)

unit UfrmHueSettings;

{$mode objfpc}{$H+}

interface

uses

  Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, StdCtrls,

  LMessages, LCLIntf, UHue;

type

  { TfrmHueSettings }

  TfrmHueSettings = class(TForm)

    edHue: TEdit;

    lblHue: TLabel;

    lbHue: TListBox;

    procedure edHueEditingDone(Sender: TObject);

    procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);

    procedure FormCreate(Sender: TObject);

    procedure FormDeactivate(Sender: TObject);

    procedure lbHueDrawItem(Control: TWinControl; Index: Integer; ARect: TRect;

      State: TOwnerDrawState);

    procedure lbHueSelectionChange(Sender: TObject; User: boolean);

  protected

    procedure MouseLeave(var msg: TLMessage); message CM_MouseLeave;

  public

    class procedure DrawHue(AHue: THue; ACanvas: TCanvas; ARect: TRect;

      ACaption: string);

  end; 

var

  frmHueSettings: TfrmHueSettings;

implementation

uses

  UGameResources, UGraphicHelper;

{ TfrmHueSettings }

procedure TfrmHueSettings.FormClose(Sender: TObject;

  var CloseAction: TCloseAction);

begin

  CloseAction := caHide;

end;

procedure TfrmHueSettings.edHueEditingDone(Sender: TObject);

var

  hueID: Integer;

begin

  if (not TryStrToInt(edHue.Text, hueID)) or (hueID >= lbHue.Items.Count) then

  begin

    edHue.Text := Format('$%x', [lbHue.ItemIndex]);

    MessageDlg('Invalid Hue', 'The hue you''ve entered is invalid.', mtWarning, [mbOK], 0);

  end else

    lbHue.ItemIndex := hueID;

end;

procedure TfrmHueSettings.FormCreate(Sender: TObject);

var

  i: Integer;

  hue: THue;

begin

  lbHue.Clear;

  lbHue.Items.Add('$0 (no hue)');

  for i := 1 to ResMan.Hue.Count do

  begin

    hue := ResMan.Hue.Hues[i-1];

    lbHue.Items.AddObject(Format('$%x (%s)', [i, hue.Name]), hue);

  end;

  lbHue.ItemIndex := 0;

end;

procedure TfrmHueSettings.FormDeactivate(Sender: TObject);

begin

  Close;

end;

procedure TfrmHueSettings.lbHueDrawItem(Control: TWinControl; Index: Integer;

  ARect: TRect; State: TOwnerDrawState);

var

  hue: THue;

begin

  if Index > 0 then

    hue := ResMan.Hue.Hues[Index-1]

  else

    hue := nil;

  DrawHue(hue, lbHue.Canvas, ARect, lbHue.Items.Strings[Index]);

end;

procedure TfrmHueSettings.lbHueSelectionChange(Sender: TObject; User: boolean);

begin

  edHue.Text := Format('$%x', [lbHue.ItemIndex]);

end;

procedure TfrmHueSettings.MouseLeave(var msg: TLMessage);

begin

  try

    if not PtInRect(ClientRect, ScreenToClient(Mouse.CursorPos)) then

      Close;

  except

    Close;

  end;

end;

class procedure TfrmHueSettings.DrawHue(AHue: THue; ACanvas: TCanvas; ARect: TRect;

  ACaption: string);

var

  hueColor: TColor;

  i: Integer;

begin

  ACanvas.Pen.Color := clWhite;

  ACanvas.Rectangle(ARect);

  if AHue <> nil then

    for i := 0 to 31 do

    begin

      hueColor := ARGB2RGB(AHue.ColorTable[i]);

      ACanvas.Pen.Color := hueColor;

      ACanvas.MoveTo(ARect.Left + 2 + i, ARect.Top + 1);

      ACanvas.LineTo(ARect.Left + 2 + i, ARect.Bottom - 1);

    end;

  ACanvas.TextOut(ARect.Left + 36, ARect.Top, ACaption);

end;

initialization

  {$I UfrmHueSettings.lrs}

end.