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unit fpguithemes;
{$mode objfpc}{$H+}
interface
uses
// rtl
Classes, SysUtils,
// lcl
Controls, Graphics, Themes, LCLType, LazUTF8, Types,
// fpgui
fpguiobjects, fpg_base, fpg_main, fpguiproc
;
{.$DEFINE FPGUIDEBUGTHEMES}
type
{ TFPGUIThemeServices }
TFPGUIThemeServices = class(TThemeServices)
private
protected
//function GetTheme(Element: TThemedElement): HTHEME;
function InitThemes: Boolean; override;
function UseThemes: Boolean; override;
function ThemedControlsEnabled: Boolean; override;
procedure InternalDrawParentBackground(Window: HWND; Target: HDC; Bounds: PRect); override;
public
destructor Destroy; override;
function GetDetailSize(Details: TThemedElementDetails): TSize; override;
(*
function GetDetailRegion(DC: HDC; Details: TThemedElementDetails; const R: TRect): HRGN; override;
function GetStockImage(StockID: LongInt; out Image, Mask: HBitmap): Boolean; override;
function GetOption(AOption: TThemeOption): Integer; override;
function GetTextExtent(DC: HDC; Details: TThemedElementDetails; const S: String; Flags: Cardinal; BoundingRect: PRect): TRect; override;
*)
procedure DrawElement(DC: HDC; Details: TThemedElementDetails; const R: TRect; ClipRect: PRect = nil); override;
(*
procedure DrawEdge(DC: HDC; Details: TThemedElementDetails; const R: TRect; Edge, Flags: Cardinal;
AContentRect: PRect = nil); override;
procedure DrawIcon(DC: HDC; Details: TThemedElementDetails; const R: TRect;
himl: HIMAGELIST; Index: Integer); override;
procedure DrawIcon(ACanvas: TPersistent; Details: TThemedElementDetails;
const P: TPoint; AImageList: TPersistent; Index: Integer); override;
*)
(*
procedure DrawText(DC: HDC; Details: TThemedElementDetails;
const S: String; R: TRect; Flags, Flags2: Cardinal); override;
procedure DrawText(ACanvas: TPersistent; Details: TThemedElementDetails;
const S: String; R: TRect; Flags, Flags2: Cardinal); override;
procedure DrawTextEx(DC: HDC; Details: TThemedElementDetails;
const S: String; R: TRect; Flags: Cardinal; Options: PDTTOpts);
*)
function ContentRect(DC: HDC; Details: TThemedElementDetails; BoundingRect: TRect): TRect; override;
(*
function HasTransparentParts(Details: TThemedElementDetails): Boolean; override;
procedure PaintBorder(Control: TObject; EraseLRCorner: Boolean); override;
*)
end;
implementation
uses
TmSchema;
const
ThemeDataNames: array[TThemedElement] of pchar = (
'button', // teButton
'clock', // teClock
'combobox', // teComboBox
'edit', // teEdit
'explorerbar', // teExplorerBar
'header', // teHeader
'listview', // teListView
'menu', // teMenu
'page', // tePage
'progress', // teProgress
'rebar', // teRebar
'scrollbar', // teScrollBar
'spin', // teSpin
'startpanel', // teStartPanel
'status', // teStatus
'tab', // teTab
'taskband', // teTaskBand
'taskbar', // teTaskBar
'toolbar', // teToolBar
'tooltip', // teToolTip
'trackbar', // teTrackBar
'traynotify', // teTrayNotify
'treeview', // teTreeview
'window' // teWindow
);
{ TFPGUIThemeServices }
function TFPGUIThemeServices.InitThemes: Boolean;
begin
Result:=inherited InitThemes;
end;
function TFPGUIThemeServices.UseThemes: Boolean;
begin
Result:=inherited UseThemes;
end;
function TFPGUIThemeServices.ThemedControlsEnabled: Boolean;
begin
Result:=inherited ThemedControlsEnabled;
end;
destructor TFPGUIThemeServices.Destroy;
begin
inherited Destroy;
end;
function TFPGUIThemeServices.GetDetailSize(Details: TThemedElementDetails
): TSize;
begin
{$IFDEF FPGUIDEBUGTHEMES}
writeln('GetDetailSize: ',ThemeDataNames[Details.Element],',',Details.Part,',',Details.State);
{$ENDIF}
Result:=inherited GetDetailSize(Details);
end;
procedure TFPGUIThemeServices.DrawElement(DC: HDC;
Details: TThemedElementDetails; const R: TRect; ClipRect: PRect);
var
ADC: TFPGUIDeviceContext;
fpgRect: TfpgRect;
fpgRect2: TfpgRect;
begin
ADC:=TFPGUIDeviceContext(DC);
fpgRect:=ADC.PrepareRectOffsets(R);
{$IFDEF FPGUIDEBUGTHEMES}
writeln('DrawElement: ',ThemeDataNames[Details.Element],',',Details.Part,',',Details.State);
{$ENDIF}
case Details.Element of
teRebar:
begin
case Details.Part of
RP_GRIPPERVERT: begin
ADC.fpgCanvas.DrawButtonFace(fpgRect,[]);
InflateRect(fpgRect,-2,-2);
fpgRect2:=fpgRect;
fpgRect.Height:=fpgRect.Height div 2;
fpgRect2.Top:=fpgRect.Top+fpgRect.Height+1;
fpgRect2.Height:=fpgRect.Height;
ADC.fpgCanvas.Color:=clText1;
if (fpgRect.Width>2) and (fpgRect.Height>2) then begin
ADC.fpgCanvas.DrawDirectionArrow(fpgRect,TArrowDirection.adUp);
end;
if (fpgRect2.Width>2) and (fpgRect2.Height>2) then begin
ADC.fpgCanvas.DrawDirectionArrow(fpgRect2,TArrowDirection.adDown);
end;
end;
RP_GRIPPER: begin
ADC.fpgCanvas.DrawButtonFace(fpgRect,[]);
InflateRect(fpgRect,-2,-2);
fpgRect2:=fpgRect;
fpgRect.Width:=fpgRect.Width div 2;
fpgRect2.Left:=fpgRect.Left+fpgRect.Width+1;
fpgRect2.Width:=fpgRect.Width;
ADC.fpgCanvas.Color:=clText1;
if (fpgRect.Width>2) and (fpgRect.Height>2) then begin
ADC.fpgCanvas.DrawDirectionArrow(fpgRect,TArrowDirection.adLeft);
end;
if (fpgRect2.Width>2) and (fpgRect2.Height>2) then begin
ADC.fpgCanvas.DrawDirectionArrow(fpgRect2,TArrowDirection.adRight);
end;
end;
otherwise
begin
ADC.fpgCanvas.DrawButtonFace(fpgRect,[]);
end;
end;
end;
teButton:
begin
case Details.Part of
BP_PUSHBUTTON: begin
case Details.State of
PBS_DEFAULTED: ADC.fpgCanvas.DrawButtonFace(fpgRect,[btfIsDefault]);
PBS_DISABLED: ADC.fpgCanvas.DrawButtonFace(fpgRect,[btfDisabled]);
PBS_HOT: ADC.fpgCanvas.DrawButtonFace(fpgRect,[btfHover]);
PBS_NORMAL: ADC.fpgCanvas.DrawButtonFace(fpgRect,[]);
PBS_PRESSED: ADC.fpgCanvas.DrawButtonFace(fpgRect,[btfIsPressed]);
end;
end;
otherwise begin
ADC.fpgCanvas.DrawButtonFace(fpgRect,[]);
end;
end;
end;
teToolBar:
begin
case Details.Part of
TP_BUTTON: begin
case Details.State of
TS_DISABLED: begin
ADC.fpgCanvas.Color:=clShadow2;
ADC.fpgCanvas.FillRectangle(fpgRect);
end;
TS_NORMAL: begin
ADC.fpgCanvas.Color:=clWindowBackground;
ADC.fpgCanvas.FillRectangle(fpgRect);
end;
TS_PRESSED: ADC.fpgCanvas.DrawButtonFace(fpgRect,[btfIsPressed]);
end;
end;
otherwise begin
ADC.fpgCanvas.DrawButtonFace(fpgRect,[]);
end;
end;
end;
otherwise begin
{$IFDEF FPGUIDEBUGTHEMES}
writeln('Inherit DrawElement: ',ThemeDataNames[Details.Element],',',Details.Part,',',Details.State);
{$ENDIF}
inherited DrawElement(DC, Details, R, ClipRect);
end;
end;
end;
function TFPGUIThemeServices.ContentRect(DC: HDC;
Details: TThemedElementDetails; BoundingRect: TRect): TRect;
begin
{$IFDEF FPGUIDEBUGTHEMES}
writeln('Inherit ContentRect: ',ThemeDataNames[Details.Element],',',Details.Part,',',Details.State);
{$ENDIF}
Result:=inherited ContentRect(DC, Details, BoundingRect);
end;
procedure TFPGUIThemeServices.InternalDrawParentBackground(Window: HWND;
Target: HDC; Bounds: PRect);
begin
inherited;
end;
end.
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