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CaptionedDockTree.pas
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CaptionedDockTree.pas
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{*******************************************************}
{ }
{ CodeGear Delphi Visual Component Library }
{ }
{ Copyright (c) 1995-2007 CodeGear }
{ }
{*******************************************************}
unit CaptionedDockTree;
interface
uses Windows, Controls, Graphics, Messages, SysUtils, TypInfo, Forms, Classes;
type
/// <summary>
/// TParentFormState: stores information about the parent dock form for
/// use in drawing the dock site
/// </summary>
TParentFormState = record
Caption: string;
StartColor, EndColor, FontColor: TColor;
Focused: Boolean;
Icon: TIcon;
end;
type
TDockFormClass = class of TCustomDockForm;
TDockCaptionOrientation = (dcoHorizontal, dcoVertical);
/// <summary>
/// Hit tests for the caption. Note: The custom values allow you
/// to return your own hit test results for your own drawer.
/// </summary>
TDockCaptionHitTest = Cardinal;
/// <summary>
/// The pin button style to draw, if any.
/// </summary>
TDockCaptionPinButton = (dcpbNone, dcpbUp, dcpbDown);
TDockCaptionDrawer = class(TObject)
private
FDockCaptionOrientation: TDockCaptionOrientation;
FDockCaptionPinButton: TDockCaptionPinButton;
function GetCloseRect(const CaptionRect: TRect): TRect;
function GetPinRect(const CaptionRect: TRect): TRect;
function CalcButtonSize(const CaptionRect: TRect): Integer;
public
procedure DrawDockCaption(const Canvas: TCanvas;
CaptionRect: TRect; State: TParentFormState); virtual;
function DockCaptionHitTest(const CaptionRect: TRect;
const MousePos: TPoint): TDockCaptionHitTest; virtual;
/// <summary>
/// Creates an instance of the TDockCaptionDrawer. It is virtual so the
/// call to TCaptionedDockTree.GetDockCaptionDrawer.Create(..) will
/// be called on the correct type.
/// </summary>
constructor Create(DockCaptionOrientation: TDockCaptionOrientation); virtual;
property DockCaptionPinButton: TDockCaptionPinButton read FDockCaptionPinButton write FDockCaptionPinButton;
end;
TDockCaptionDrawerClass = class of TDockCaptionDrawer;
TCaptionedDockTree = class(TDockTree)
private
FGrabberSize: Integer;
FDockCaptionOrientation: TDockCaptionOrientation;
FDockCaptionDrawer: TDockCaptionDrawer;
procedure InvalidateDockSite(const Client: TControl);
protected
function AdjustCaptionRect(const ARect: TRect): TRect; virtual;
procedure AdjustDockRect(Control: TControl; var ARect: TRect); override;
function InternalCaptionHitTest(const Zone: TDockZone;
const MousePos: TPoint): TDockCaptionHitTest;
procedure PaintDockFrame(Canvas: TCanvas; Control: TControl;
const ARect: TRect); override;
function ZoneCaptionHitTest(const Zone: TDockZone;
const MousePos: TPoint; var HTFlag: Integer): Boolean; override;
property DockCaptionOrientation: TDockCaptionOrientation read FDockCaptionOrientation;
property DockCaptionDrawer: TDockCaptionDrawer read FDockCaptionDrawer;
procedure WndProc(var Message: TMessage); override;
public
constructor Create(DockSite: TWinControl); overload; override;
constructor Create(DockSite: TWinControl;
ADockCaptionOrientation: TDockCaptionOrientation); reintroduce; overload;
destructor Destroy; override;
class function GetParentFormState(const Control: TControl): TParentFormState; virtual;
class function GetDockCaptionDrawer: TDockCaptionDrawerClass; virtual;
end;
// Êëàññ TFloatTreeCep óïðàâëÿåò ðàñïîëîæåíèåì ôîðì-íîñèòåëåé
const
SignStreamFloatTreeCep:integer = 3;
type
TCoordsFloat =record
csSize:integer;
R: TRect;
Visible: boolean;
end;
TFloatTreeCep = class
private
fList: TStringList;
fCoords:array of TCoordsFloat;
fEnabled: boolean;
function GetCount: integer;
procedure DoAdd(const Names: String; const Coord: TCoordsFloat);
procedure SetEnabled(const Value: boolean);
public
constructor Create; virtual;
destructor Destroy; override;
procedure SaveControl(Control:TControl; R:TRect; Visible:boolean);
function CoordsByControl(Control:TControl; var Coord: TCoordsFloat):boolean;
function RestoreForm(Form: TCustomDockForm):boolean;
procedure SaveForm(Form: TCustomDockForm);
property Count:integer read GetCount;
procedure SaveToStream(Stream: TStream); virtual;
procedure LoadFromStream(Stream: TStream); virtual;
procedure RestoreAllForm;
procedure SaveAllForm;
property Enabled:boolean read fEnabled write SetEnabled;
end;
TCustomDockFormEx = class (TCustomDockForm)
private
fTimerVisible: boolean;
fCaption: String;
procedure CMVISIBLECHANGED(var Message:TMessage); message CM_VISIBLECHANGED;
procedure WMACTIVATEAPP(var Message: TWMACTIVATEAPP); message WM_ACTIVATEAPP;
procedure SetTimerVisible(const Value: boolean);
protected
procedure DoAddDockClient(Client: TControl; const ARect: TRect); override;
public
constructor Create(AOwner: TComponent); override;
//Åñëè TimerVisible íå ðàâíî Visible, òî ÷åðåç êîðîòêèé ïðîìåæóòîê âðåìåíè
//áóäåò óñòàíîâåëíî ñîîòâåòñòâóþùåå çíà÷åíèå ñâîéñòâà Visible
property TimerVisible:boolean read fTimerVisible write SetTimerVisible;
procedure DoShow; override;
procedure DoHide; override;
destructor Destroy; override;
end;
// Ýòî êëàññ îêíà íîñèòåëÿ, ñ ïîääåðæêîé Ctl3d=false;
// (èñïîëüçóåòñÿ ñîáñòâåííàÿ îòðèñîâêà íåêëèåíòñêîé îáëàñòè)
TCustomDockFormCep = class (TCustomDockFormEx)
private
fInClose: boolean;
fCloseDown: boolean;
procedure WMACTIVATE(var Message: TWMACTIVATE); message WM_ACTIVATE;
procedure WMNCPAINT(var Message: TWMNCPAINT); message WM_NCPAINT;
procedure WMNCHITTEST(var Message: TWMNCHITTEST); message WM_NCHITTEST;
procedure WMNCLBUTTONDOWN(var Message: TWMNCLBUTTONDOWN); message WM_NCLBUTTONDOWN;
procedure WMNCLBUTTONUP(var Message: TWMNCLBUTTONUP); message WM_NCLBUTTONUP;
procedure WM_SETTEXT(var Message: TWMSETTEXT); message WM_SETTEXT;
procedure CalcRect(var WindowRect, ClientRect, CaptionRect, CloseRect:TRect; var Pt: TPoint);
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
end;
//Ýòîò êëàññ óïðàâëÿåò èçîáðàæåíèåì âî âðåìÿ ïåðåìåùåíèÿ êîíòðîëà
TDragDockObjectCep = class {$IFDEF VER130}(TDragDockObject){$ELSE}(TDragDockObjectEx){$ENDIF}
private
fDockOvered: boolean;
fOveredTimer: boolean;
procedure SetDockOvered(const Value: boolean);
protected
procedure AdjustDockRect(ARect: TRect); override;
procedure DrawDragDockImage; override;
procedure EraseDragDockImage; override;
published
public
destructor Destroy; override;
//Åñëè óñòàíîâëåíî ýòî ñâîéñòâî, òî ïðè ñáðîñå DockOvered, ïðîèñõîäèò
//îòëîæåííîå ñîêðûòèå ôîðìû-íîñèòåëÿ.
property OveredTimer:boolean read fOveredTimer write fOveredTimer;
//Ýòî ñâîéñòâî óêàçûâàåò íà òî, ÷òî ïåðåòàñêèâàåìûé îáúåêò íàõîäèòñÿ âíóòðè
//îáúåêòà ê êîòîðîìó ìîæåò áûòü ïðèñòûêîâàí è èçîáðàæàåòñÿ ïîëóïðîçðà÷íàÿ
//ðàìêà.  ïðîòèâíîì ñëó÷àå îáúåêò ïåðåìåùàåòñÿ ïî ñâîáîäíîìó ýêðàíó
//è èçîáðàæàåòñÿ ïîëóïðîçðà÷íàÿ ôîðìà.
property DockOvered:boolean read fDockOvered write SetDockOvered;
end;
TCaptionedDockTreeClass = class of TCaptionedDockTree;
var TmpBitmap: TBitmap;
CountUsedBMP: integer;
_FloatTreeCep: TFloatTreeCep;
RestoredDockForm:boolean;
IdTimer:THandle;
DefaultDockFormClass: TDockFormClass;
const
/// <summary>
/// TDockCaptionHitTest constant values used. You can use your own values,
/// but start at the dchtCustom value. Items 4-9 are reserved for future
/// VCL use, and the value of dchtCustom may change.
/// </summary>
dchtNone = 0;
dchtCaption = 1;
dchtClose = 2;
dchtPin = 3;
dchtCustom = 10;
// Âîçâðàùàåò ýêçåìïëÿð êëàññà óïðàâëÿþùåãî ïîëîæåíèåì ôîðì-íîñèòåëåé
function FloatTreeCep: TFloatTreeCep;
//Íàõîäèò îðãàí óïðàâëåíèÿ ñ èìåíåì AControlName, êîòîðûé ðåêóðñèâíî
//ïðèíàäëåæèò ëþáîìó êîìïîíåíòó âíóòðè AOwn
//function findComponentEx(const AControlName: string; AOwn:TComponent):TControl;
//Âîçâðàùàåò ïîëíîå íàçâàíèÿ è òèïû îðãàíà óïðàâëåíèÿ è âñåõ åãî âëàäåëüöåâ,
//ðàçäåëåííûõ òî÷êîé.
procedure GetFullName(Control: TControl; var Types: string; var Names: string); overload;
function GetFullName(Control:TControl):string; overload;
implementation
uses Types, GraphUtil;
{ TCaptionedDockTree }
procedure TCaptionedDockTree.AdjustDockRect(Control: TControl;
var ARect: TRect);
begin
if FDockCaptionOrientation = dcoHorizontal then
Inc(ARect.Top, FGrabberSize)
else
Inc(ARect.Left, FGrabberSize)
end;
constructor TCaptionedDockTree.Create(DockSite: TWinControl);
begin
inherited;
FGrabberSize := GetSystemMetrics(SM_CYMENUSIZE) + 4;
FDockCaptionDrawer := GetDockCaptionDrawer.Create(FDockCaptionOrientation);
end;
constructor TCaptionedDockTree.Create(DockSite: TWinControl;
ADockCaptionOrientation: TDockCaptionOrientation);
begin
FDockCaptionOrientation := ADockCaptionOrientation;
Create(DockSite);
end;
class function TCaptionedDockTree.GetParentFormState(const Control: TControl): TParentFormState;
begin
if Control is TCustomForm then
begin
Result.Caption := TCustomForm(Control).Caption;
Result.Focused := (Screen.ActiveControl <> nil) and
Screen.ActiveControl.Focused and
(TWinControl(Control).ContainsControl(Screen.ActiveControl));
if Control is TForm then
Result.Icon := TForm(Control).Icon
else
Result.Icon := nil;
end
else
begin
Result.Caption := Control.Hint;
Result.Focused := False;
Result.Icon := nil;
end;
if Result.Focused then
begin
Result.StartColor := clActiveBorder;
Result.EndColor := GetHighlightColor(clActiveBorder, 22);
Result.FontColor := clBtnText;
end
else
begin
Result.StartColor := GetHighlightColor(clBtnFace, 5);
Result.EndColor := GetHighlightColor(clBtnFace, 15);
Result.FontColor := clBtnText;
end;
end;
procedure TCaptionedDockTree.InvalidateDockSite(const Client: TControl);
var
ParentForm: TCustomForm;
Rect: TRect;
begin
ParentForm := GetParentForm(Client, False);
{ Just invalidate the parent form's rect in the HostDockSite
so that we can "follow focus" on docked items. }
if (ParentForm <> nil) and (ParentForm.HostDockSite <> nil) then
begin
with ParentForm.HostDockSite do
if UseDockManager and (DockManager <> nil) then
begin
DockManager.GetControlBounds(ParentForm, Rect);
InvalidateRect(Handle, @Rect, False);
end;
end;
end;
function TCaptionedDockTree.AdjustCaptionRect(const ARect: TRect): TRect;
begin
Result := ARect;
if FDockCaptionOrientation = dcoHorizontal then
begin
Result.Bottom := Result.Top + FGrabberSize - 1;
Result.Top := Result.Top + 1;
Result.Right := Result.Right - 3; { Shrink the rect a little }
end
else
begin
Result.Right := Result.Left + FGrabberSize - 1;
Result.Left := Result.Left + 1;
Result.Bottom := Result.Bottom - 3;
end;
end;
procedure TCaptionedDockTree.PaintDockFrame(Canvas: TCanvas;
Control: TControl; const ARect: TRect);
begin
FDockCaptionDrawer.DrawDockCaption(Canvas,
AdjustCaptionRect(ARect),
GetParentFormState(Control));
end;
procedure TCaptionedDockTree.WndProc(var Message: TMessage);
begin
if Message.Msg = CM_DOCKNOTIFICATION then
begin
with TCMDockNotification(Message) do
begin
if NotifyRec.ClientMsg = CM_INVALIDATEDOCKHOST then
InvalidateDockSite(TControl(NotifyRec.MsgWParam))
else
inherited;
end;
end
else
inherited;
end;
function TCaptionedDockTree.InternalCaptionHitTest(const Zone: TDockZone;
const MousePos: TPoint): TDockCaptionHitTest;
var
FrameRect, CaptionRect: TRect;
begin
FrameRect := Zone.ChildControl.BoundsRect;
AdjustDockRect(Zone.ChildControl, FrameRect);
AdjustFrameRect(Zone.ChildControl, FrameRect);
CaptionRect := AdjustCaptionRect(FrameRect);
Result := FDockCaptionDrawer.DockCaptionHitTest(CaptionRect, MousePos);
end;
function TCaptionedDockTree.ZoneCaptionHitTest(const Zone: TDockZone;
const MousePos: TPoint; var HTFlag: Integer): Boolean;
var
HitTest: TDockCaptionHitTest;
begin
HitTest := InternalCaptionHitTest(Zone, MousePos);
if HitTest = dchtNone then
Result := False
else
begin
Result := True;
if HitTest = dchtClose then
HTFlag := HTCLOSE
else if HitTest = dchtCaption then
HTFlag := HTCAPTION;
end;
end;
destructor TCaptionedDockTree.Destroy;
begin
FDockCaptionDrawer.Free;
inherited;
end;
class function TCaptionedDockTree.GetDockCaptionDrawer: TDockCaptionDrawerClass;
begin
Result := TDockCaptionDrawer;
end;
{ TDockCaptionDrawer }
function TDockCaptionDrawer.CalcButtonSize(
const CaptionRect: TRect): Integer;
const
cButtonBuffer = 8;
begin
if FDockCaptionOrientation = dcoHorizontal then
Result := CaptionRect.Bottom - CaptionRect.Top - cButtonBuffer
else
Result := CaptionRect.Right - CaptionRect.Left - cButtonBuffer;
end;
constructor TDockCaptionDrawer.Create(
DockCaptionOrientation: TDockCaptionOrientation);
begin
FDockCaptionOrientation := DockCaptionOrientation;
end;
function TDockCaptionDrawer.DockCaptionHitTest(const CaptionRect: TRect;
const MousePos: TPoint): TDockCaptionHitTest;
var
CloseRect, PinRect: TRect;
begin
if PtInRect(CaptionRect, MousePos) then
begin
CloseRect := GetCloseRect(CaptionRect);
{ Make the rect vertically the same size as the captionrect }
if FDockCaptionOrientation = dcoHorizontal then
begin
CloseRect.Top := CaptionRect.Top;
CloseRect.Bottom := CaptionRect.Bottom;
Inc(CloseRect.Right);
end
else
begin
CloseRect.Left := CaptionRect.Left;
CloseRect.Right := CaptionRect.Right;
Inc(CloseRect.Bottom);
end;
if PtInRect(CloseRect, MousePos) then
Result := dchtClose
else if FDockCaptionPinButton <> dcpbNone then
begin
{ did it hit the pin? }
if FDockCaptionOrientation = dcoHorizontal then
begin
PinRect := GetPinRect(CaptionRect);
PinRect.Top := CaptionRect.Top;
PinRect.Bottom := CaptionRect.Bottom;
Inc(PinRect.Right);
end
else
begin
PinRect := GetPinRect(CaptionRect);
PinRect.Left := CaptionRect.Left;
PinRect.Right := CaptionRect.Right;
Inc(PinRect.Bottom);
end;
if PtInRect(PinRect, MousePos) then
Result := dchtPin
else
Result := dchtCaption;
end
else
Result := dchtCaption
end
else
Result := dchtNone;
end;
procedure TDockCaptionDrawer.DrawDockCaption(const Canvas: TCanvas;
CaptionRect: TRect; State: TParentFormState);
procedure DrawCloseButton(const ARect: TRect);
begin
with ARect do
begin
Canvas.Pen.Color := Canvas.Font.Color;
Canvas.Pen.Style := psSolid;
Canvas.Pen.Width := 2;
Canvas.MoveTo(Left+1, Top+1);
Canvas.LineTo(Right-1, Bottom-1);
Canvas.MoveTo(Left+1, Bottom-1);
Canvas.LineTo(Right-1, Top+1);
end;
end;
procedure DrawPinButton(const ARect: TRect);
var
Left, Top: Integer;
begin
Left := ARect.Left;
Top := ARect.Top;
Canvas.Pen.Color := Canvas.Font.Color;
Canvas.Pen.Style := psSolid;
Canvas.Pen.Width := 1;
if FDockCaptionPinButton = dcpbDown then
begin
Inc(Top);
{ Draw the top box }
Canvas.MoveTo(Left + 1, Top + 4);
Canvas.LineTo(Left + 1, Top);
Canvas.LineTo(Left + 5, Top);
Canvas.LineTo(Left + 5, Top + 5);
{ Draw the middle line }
Canvas.MoveTo(Left, Top + 5);
Canvas.LineTo(Left + 7, Top + 5);
{ Draw a depth line }
Canvas.MoveTo(Left + 4, Top + 1);
Canvas.LineTo(Left + 4, Top + 5);
Canvas.MoveTo(Left + 3, Top + 6);
Canvas.LineTo(Left + 3, Top + 6 + 4);
end
else
begin
{ Draw the right box }
Canvas.MoveTo(Left + 4, Top + 1);
Canvas.LineTo(Left + 9, Top + 1);
Canvas.LineTo(Left + 9, Top + 5);
Canvas.LineTo(Left + 3, Top + 5);
{ Draw the middle line }
Canvas.MoveTo(Left + 3, Top);
Canvas.LineTo(Left + 3, Top + 7);
{ Draw a depth line }
Canvas.MoveTo(Left + 4, Top + 4);
Canvas.LineTo(Left + 9, Top + 4);
Canvas.MoveTo(Left, Top + 3);
Canvas.LineTo(Left + 3, Top + 3);
end;
end;
function RectWidth(const Rect: TRect): Integer;
begin
Result := Rect.Right - Rect.Left;
end;
procedure DrawIcon;
var
FormBitmap: TBitmap;
DestBitmap: TBitmap;
ImageSize: Integer;
X, Y: Integer;
begin
if (State.Icon <> nil) and (State.Icon.HandleAllocated) then
begin
if FDockCaptionOrientation = dcoHorizontal then
begin
ImageSize := CaptionRect.Bottom - CaptionRect.Top - 3;
X := CaptionRect.Left;
Y := CaptionRect.Top + 2;
end
else
begin
ImageSize := CaptionRect.Right - CaptionRect.Left - 3;
X := CaptionRect.Left + 1;
Y := CaptionRect.Top;
end;
FormBitmap := nil;
DestBitmap := TBitmap.Create;
try
FormBitmap := TBitmap.Create;
DestBitmap.Width := ImageSize;
DestBitmap.Height := ImageSize;
DestBitmap.Canvas.Brush.Color := clFuchsia;
DestBitmap.Canvas.FillRect(Rect(0, 0, DestBitmap.Width, DestBitmap.Height));
FormBitmap.Width := State.Icon.Width;
FormBitmap.Height := State.Icon.Height;
FormBitmap.Canvas.Draw(0, 0, State.Icon);
ScaleImage(FormBitmap, DestBitmap, DestBitmap.Width / FormBitmap.Width);
DestBitmap.TransparentColor := DestBitmap.Canvas.Pixels[0, DestBitmap.Height - 1];
DestBitmap.Transparent := True;
Canvas.Draw(X, Y, DestBitmap);
finally
FormBitmap.Free;
DestBitmap.Free;
end;
if FDockCaptionOrientation = dcoHorizontal then
CaptionRect.Left := CaptionRect.Left + 6 + ImageSize
else
CaptionRect.Top := CaptionRect.Top + 6 + ImageSize;
end;
end;
var
ShouldDrawClose: Boolean;
CloseRect, PinRect: TRect;
begin
Canvas.Font.Color := State.FontColor;
Canvas.Pen.Width := 1;
Canvas.Pen.Color := State.StartColor;
if FDockCaptionOrientation = dcoHorizontal then
begin
CaptionRect.Top := CaptionRect.Top + 1;
{ Give a rounded effect, draw a slightly smaller line on the left }
Canvas.MoveTo(CaptionRect.Left + 2, CaptionRect.Top + 2);
Canvas.LineTo(CaptionRect.Left + 2, CaptionRect.Bottom - 1);
{ Fill the middle with a gradient }
GradientFillCanvas(Canvas, State.StartColor, State.EndColor,
Rect(CaptionRect.Left+3, CaptionRect.Top, CaptionRect.Right,
CaptionRect.Bottom), gdVertical);
{ Draw a slight outline }
Canvas.Pen.Color := GetShadowColor(Canvas.Pen.Color, -20);
with CaptionRect do
Canvas.Polyline([Point(Left + 3, Top),
Point(Right - 2, Top), { Top line }
Point(Right, Top + 2), { Top right curve }
Point(Right, Bottom - 2), { Right side line }
Point(Right - 2, Bottom), { Bottom right curve }
Point(Left + 3, Bottom), { Bottom line }
Point(Left+1, Bottom - 2), { Bottom left curve }
Point(Left+1, Top + 2), { Left side line }
Point(Left + 3, Top)]); { Top left curve }
{ Get the close rect size/position }
CloseRect := GetCloseRect(CaptionRect);
{ Does it have the pin button? Make some room for it, and draw it. }
if FDockCaptionPinButton <> dcpbNone then
begin
PinRect := GetPinRect(CaptionRect);
if FDockCaptionPinButton = dcpbUp then
Inc(PinRect.Top); { Down a little further - better looks }
DrawPinButton(PinRect);
CaptionRect.Right := PinRect.Right - 2;
end
else
{ Shrink the rect to consider the close button on the right, and
not draw text in it. }
CaptionRect.Right := CloseRect.Right - 2;
{ Move away from the left edge a little before drawing text }
CaptionRect.Left := CaptionRect.Left + 6;
{ Draw the icon, if found. }
DrawIcon;
ShouldDrawClose := CloseRect.Left >= CaptionRect.Left;
end
else
begin
{ Give a rounded effect }
Canvas.MoveTo(CaptionRect.Left + 1, CaptionRect.Top + 1);
Canvas.LineTo(CaptionRect.Right - 1, CaptionRect.Top + 1);
GradientFillCanvas(Canvas, State.StartColor, State.EndColor,
Rect(CaptionRect.Left, CaptionRect.Top+2, CaptionRect.Right,
CaptionRect.Bottom), gdVertical);
Canvas.Pen.Color := State.EndColor;
Canvas.MoveTo(CaptionRect.Left + 1, CaptionRect.Bottom);
Canvas.LineTo(CaptionRect.Right - 1, CaptionRect.Bottom);
Canvas.Font.Orientation := 900; { 90 degrees upwards }
{ Get the close rect size/position }
CloseRect := GetCloseRect(CaptionRect);
{ Does it have the pin button? Make some room for it, and draw it. }
if FDockCaptionPinButton <> dcpbNone then
begin
PinRect := GetPinRect(CaptionRect);
DrawPinButton(PinRect);
CaptionRect.Top := PinRect.Bottom + 2;
end
else
{ Add a little spacing between the close button and the text }
CaptionRect.Top := CloseRect.Bottom + 2;
ShouldDrawClose := CaptionRect.Top < CaptionRect.Bottom;
{ Make the captionrect horizontal for proper clipping }
CaptionRect.Right := CaptionRect.Left + (CaptionRect.Bottom - CaptionRect.Top - 2);
{ Position the caption starting position at most at the bottom of the
rectangle }
CaptionRect.Top := CaptionRect.Top + Canvas.TextWidth(State.Caption) + 2;
if CaptionRect.Top > CaptionRect.Bottom then
CaptionRect.Top := CaptionRect.Bottom;
end;
Canvas.Brush.Style := bsClear; { For drawing the font }
if State.Caption <> '' then
begin
if State.Focused then
Canvas.Font.Style := Canvas.Font.Style + [fsBold]
else
Canvas.Font.Style := Canvas.Font.Style - [fsBold];
if ShouldDrawClose then
CaptionRect.Right := CaptionRect.Right - (CloseRect.Right - CloseRect.Left) - 4;
Canvas.TextRect(CaptionRect, State.Caption,
[tfEndEllipsis, tfVerticalCenter, tfSingleLine]);
end;
if ShouldDrawClose then
DrawCloseButton(CloseRect);
end;
const
cSideBuffer = 4;
function TDockCaptionDrawer.GetCloseRect(const CaptionRect: TRect): TRect;
var
CloseSize: Integer;
begin
CloseSize := CalcButtonSize(CaptionRect);
if FDockCaptionOrientation = dcoHorizontal then
begin
Result.Left := CaptionRect.Right - CloseSize - cSideBuffer;
Result.Top := CaptionRect.Top + ((CaptionRect.Bottom - CaptionRect.Top) - CloseSize) div 2;
end
else
begin
Result.Left := CaptionRect.Left + ((CaptionRect.Right - CaptionRect.Left) - CloseSize) div 2;
Result.Top := CaptionRect.Top + 2*cSideBuffer;
end;
Result.Right := Result.Left + CloseSize;
Result.Bottom := Result.Top + CloseSize;
end;
function TDockCaptionDrawer.GetPinRect(const CaptionRect: TRect): TRect;
var
PinSize: Integer;
begin
PinSize := CalcButtonSize(CaptionRect);
if FDockCaptionOrientation = dcoHorizontal then
begin
Result.Left := CaptionRect.Right - 2*PinSize - 2*cSideBuffer;
Result.Top := CaptionRect.Top + ((CaptionRect.Bottom - CaptionRect.Top) - PinSize) div 2;
end
else
begin
Result.Left := CaptionRect.Left + ((CaptionRect.Right - CaptionRect.Left) - PinSize) div 2;
Result.Top := CaptionRect.Top + 2*cSideBuffer + 2*PinSize;
end;
Result.Right := Result.Left + PinSize + 2;
Result.Bottom := Result.Top + PinSize;
end;
{ TFloatTreeCep }
//×òîáû èñêëþ÷èòü ìåðöàíèå ôîðì-íîñèòåëåé, óñòàíàâëèâàåì ñâîéñòâî Visible
//ðàâíûì TimerVisible ïî òàéìåðó. Ò.å. ñíà÷àëà ïðîèçâîäèòñÿ çàãðóçêà âñåõ
//ôðåéìîâ, à ïîòîì îòîáðàæàþòñÿ òîëüêî òå ôîðìû-íîñèòåëè, ó êîòîðûõ
//êîíòðîëû íè ê ÷åìó íå ïðèñòûêîâàíû.
procedure StopVisibleChanged;
begin
if IdTimer<>0 then
if not KillTimer(0,IdTimer) then raise Exception.Create(SysErrorMessage(GetLastError))
else IdTimer := 0;
end;
procedure VisibleChangedFunc(Wnd: HWND;
Msg: UINT;
idEvent: PINTEGER;
dwTime: DWORD);stdcall;
var i: integer;
begin
if Application<>nil then
begin
for I := 0 to Application.ComponentCount - 1 do
if Application.Components[i] is TCustomDockFormEx then
with TCustomDockFormEx(Application.Components[i]) do
begin
if TimerVisible<>Visible then Visible := TimerVisible;
end;
end;
StopVisibleChanged;
end;
procedure StartVisibleChanged;
begin
if IdTimer=0 then
begin
IdTimer := SetTimer(0,98790,100,@VisibleChangedFunc);
end;
end;
//Ìåíÿåì ïðÿìîóãîëüíèê, òàê ÷òîáû îí âëåçàë â ýêðàí
procedure UpdateRectFromScreen(var ARect: TRect);
var W,H: integer;
begin
with ARect do
begin
W := Right-Left;
H := Bottom-Top;
if Right<(W)div(2) then OffsetRect(ARect,-Left-(W)div(2),0);
if Bottom<(H)div(2) then OffsetRect(ARect,0,-Top-(H)div(2));
if Right-(W)div(2)>Screen.Width then OffsetRect(ARect,Screen.Width-Right+(W)div(2),0);
if Bottom-(H)div(2)>Screen.Height then OffsetRect(ARect,0,Screen.Height-Bottom+(H)div(2));
end;
end;
// Èçîáðàæàåì êðàâèâûé ïðÿìîóãîëüíèê, ñ îáðóáëåííûìè êðàÿìè
procedure DrawCapRect(DC:HDC; R:TRect; Size:Byte; StartColor,EndColor,BorderColor:TColor; Hor:boolean);
type
COLOR16 = Word;
PTriVertex = ^TTriVertex;
_TRIVERTEX = packed record
x: Longint;
y: Longint;
Red: COLOR16;
Green: COLOR16;
Blue: COLOR16;
Alpha: COLOR16;
end;
TTriVertex = _TRIVERTEX;
procedure RtoArrayPoint(R:TRect; Size:Byte; var A:Array of TPoint);
begin
if High(A)<8 then exit;
A[0].x := R.Left+Size; A[0].y := R.Top;
A[1].x := R.Right-Size-1; A[1].y := R.Top;
A[2].x := R.Right-1; A[2].y := R.Top+Size;
A[3].x := R.Right-1; A[3].y := R.Bottom-Size-1;
A[4].x := R.Right-Size-1; A[4].y := R.Bottom-1;
A[5].x := R.Left+Size; A[5].y := R.Bottom-1;
A[6].x := R.Left; A[6].y := R.Bottom-Size-1;
A[7].x := R.Left; A[7].y := R.Top+Size;
A[8].x := R.Left+Size; A[8].y := R.Top;
end;
var
P: array [0..8] of TPoint;
Br: HBrush;
Pen,OldPen:HPen;
Vertexes: array[0..1] of TTriVertex;
GradientRect: TGradientRect;
p2: Windows.TTriVertex absolute Vertexes;
begin
RtoArrayPoint(R,Size,P);
StartColor := ColorToRGB(StartColor);
EndColor := ColorToRGB(EndColor);
if GetDeviceCaps(DC,BITSPIXEL)<16 then EndColor := StartColor;
InflateRect(R,-1,-1);
if StartColor<>EndColor then
begin
Vertexes[0].Red := Word(GetRValue(StartColor)) shl 8;
Vertexes[0].Blue := Word(GetBValue(StartColor)) shl 8;
Vertexes[0].Green := Word(GetGValue(StartColor)) shl 8;
Vertexes[0].Alpha := 0;
Vertexes[0].x := R.Left;
Vertexes[0].y := R.Top;
Vertexes[1].Red := Word(GetRValue(EndColor)) shl 8;
Vertexes[1].Blue := Word(GetBValue(EndColor)) shl 8;
Vertexes[1].Green := Word(GetGValue(EndColor)) shl 8;
Vertexes[1].Alpha := 0;
Vertexes[1].x := R.Right;
Vertexes[1].y := R.Bottom;
GradientRect.UpperLeft := 0;
GradientRect.LowerRight := 1;
if Hor then
GradientFill(DC, {$IFDEF VER130}P2{$ELSE}@P2{$ENDIF}, 2, @GradientRect, 1, GRADIENT_FILL_RECT_V)
else
GradientFill(DC, {$IFDEF VER130}P2{$ELSE}@P2{$ENDIF}, 2, @GradientRect, 1, GRADIENT_FILL_RECT_H);
end else
begin
Br := CreateSolidBrush(ColorToRGB(StartColor));
FillRect(DC,R,Br);
DeleteObject(Br);
end;
if BorderColor<>clNone then
begin
if BorderColor=clDefault then
begin
BorderColor := ((Word(GetRValue(StartColor))+Word(GetRValue(EndColor)))div(3))shl(0) +
((Word(GetGValue(StartColor))+Word(GetGValue(EndColor)))div(3))shl(8) +
((Word(GetBValue(StartColor))+Word(GetBValue(EndColor)))div(3))shl(16);
end;
Pen := CreatePen(ps_Solid,1,ColorToRGB(BorderColor));
OldPen := SelectObject(DC,Pen);
try
Windows.Polyline(DC,P,9);
finally
SelectObject(DC,OldPen);
DeleteObject(Pen);
end;
end;
end;
function FloatTreeCep: TFloatTreeCep;
begin
if _FloatTreeCep=nil then _FloatTreeCep := TFloatTreeCep.Create;
result := _FloatTreeCep;
end;
function TFloatTreeCep.CoordsByControl(Control: TControl;
var Coord: TCoordsFloat): boolean;
var Names:String;
i:integer;
begin
result := false;
Names:='';
Names := GetFullName(Control);
if Names<>'' then
begin
i := fList.IndexOf(Names);
result := i>=0;
if result then
begin
i := integer(fList.Objects[i]);
Coord := fCoords[i]
end;
end;
end;
procedure TFloatTreeCep.DoAdd(const Names:String; const Coord:TCoordsFloat);
var i:integer;
begin
with Coord do
begin
i := fList.IndexOf(Names);
if i=-1 then
begin
i := Length(fCoords);
setlength(fCoords,i+1);
try
fCoords[i].csSize := SizeOf(fCoords[i]);
fCoords[i].R := R;
fCoords[i].Visible := Visible;
fList.AddObject(Names,TObject(i));
except
setlength(fCoords,i);
raise;
end;
fList.Sort;
end else
begin
i := integer(fList.Objects[i]);
fCoords[i].csSize := SizeOf(fCoords[i]);
fCoords[i].R := R;
fCoords[i].Visible := Visible;
end;
end;
end;
procedure TFloatTreeCep.SaveControl(Control: TControl; R: TRect; Visible:boolean);
var Names,Types:String;
Coord: TCoordsFloat;
begin
if not Enabled then Exit;
Names:='';
Types:='';
GetFullName(Control, Types, Names);
if Names<>'' then
begin
Names := Names+';'+Types;
Coord.csSize := SizeOf(Coord);
Coord.R := R;
Coord.Visible := Visible;
DoAdd(Names,Coord);
end;
end;
procedure TFloatTreeCep.SaveForm(Form: TCustomDockForm);
begin
if (Form<>nil) and (Form.ControlCount>0) then
begin
SaveControl(Form.Controls[0],Form.BoundsRect,Form.Controls[0].Visible);
end;
end;
function TFloatTreeCep.RestoreForm(Form: TCustomDockForm): boolean;
var Coord:TCoordsFloat;
begin
result := false;
if (Form<>nil) and (Form.ControlCount>0) then
begin
result := CoordsByControl(Form.Controls[0],Coord);
if result then
with Coord.R do begin
UpdateRectFromScreen(Coord.R);
Form.SetBounds(Left,Top,Right-Left,Bottom-Top);
if Form IS TCustomDockFormEx then
TCustomDockFormEx(Form).TimerVisible := Coord.Visible
else
Form.Visible := Coord.Visible;
end;
end;
end;
procedure TFloatTreeCep.RestoreAllForm;
var i: integer;
OldRestoredDockForm: boolean;
begin
OldRestoredDockForm := RestoredDockForm;
try
for i := 0 to Application.ComponentCount - 1 do
if Application.Components[i] is TCustomDockForm then
RestoreForm(TCustomDockForm(Application.Components[i]));
finally
RestoredDockForm := OldRestoredDockForm;
end;
end;
procedure TFloatTreeCep.SaveAllForm;
var i: integer;
begin
for i := 0 to Application.ComponentCount - 1 do