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JvDockVIDStyle.pas
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{-----------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1.1.html
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
the specific language governing rights and limitations under the License.
The Original Code is: JvDockVIDStyle.pas, released on 2003-12-31.
The Initial Developer of the Original Code is luxiaoban.
Portions created by luxiaoban are Copyright (C) 2002,2003 luxiaoban.
All Rights Reserved.
Contributor(s):
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
located at http://jvcl.delphi-jedi.org
Known Issues:
-----------------------------------------------------------------------------}
// $Id$
unit JvDockVIDStyle;
{$I jvcl.inc}
interface
uses
{$IFDEF UNITVERSIONING}
JclUnitVersioning,
{$ENDIF UNITVERSIONING}
Windows, Messages, Classes, Graphics, Controls, ComCtrls, ImgList,
JvConsts, JvDockControlForm, JvDockSupportControl, JvDockTree,
JvDockAdvTree, JvDockGlobals;
type
TJvDockVIDConjoinServerOption = class(TJvDockBasicConjoinServerOption)
private
FTextEllipsis: Boolean;
FTextAlignment: TAlignment;
FInactiveTitleEndColor: TColor;
FInactiveTitleStartColor: TColor;
FInactiveTitleVerticalGradient: Boolean;
FActiveTitleEndColor: TColor;
FActiveTitleStartColor: TColor;
FActiveTitleVerticalGradient: Boolean;
FActiveDockGrabber: Boolean;
FSystemInfo: Boolean;
FActiveFont: TFont;
FInactiveFont: TFont;
procedure SetActiveTitleEndColor(const Value: TColor);
procedure SetActiveTitleStartColor(const Value: TColor);
procedure SetInactiveTitleEndColor(const Value: TColor);
procedure SetInactiveTitleStartColor(const Value: TColor);
procedure SetTextAlignment(const Value: TAlignment);
procedure SetTextEllipsis(const Value: Boolean);
procedure SetSystemInfo(const Value: Boolean);
procedure SetActiveFont(Value: TFont);
procedure SetInactiveFont(Value: TFont);
procedure SetActiveTitleVerticalGradient(const Value: Boolean);
procedure SetInactiveTitleVerticalGradient(const Value: Boolean);
procedure SetActiveDockGrabber(const Value: Boolean);
protected
procedure FontChanged(Sender: TObject);
function IsNotSystemInfo: Boolean;
procedure SettingChange(Sender: TObject);
procedure Changed; override;
procedure UpdateDefaultSystemCaptionInfo; virtual;
procedure SetDefaultSystemCaptionInfo;
public
constructor Create(ADockStyle: TJvDockObservableStyle); override;
destructor Destroy; override;
procedure Assign(Source: TPersistent); override;
published
property ActiveFont: TFont read FActiveFont write SetActiveFont stored IsNotSystemInfo;
property InactiveFont: TFont read FInactiveFont write SetInactiveFont stored IsNotSystemInfo;
property TextAlignment: TAlignment read FTextAlignment write SetTextAlignment default taLeftJustify;
property ActiveTitleStartColor: TColor read FActiveTitleStartColor write SetActiveTitleStartColor stored
IsNotSystemInfo;
property ActiveTitleEndColor: TColor read FActiveTitleEndColor write SetActiveTitleEndColor stored
IsNotSystemInfo;
property ActiveTitleVerticalGradient: Boolean read FActiveTitleVerticalGradient write
SetActiveTitleVerticalGradient default False;
property ActiveDockGrabber: Boolean read FActiveDockGrabber write SetActiveDockGrabber default False;
property InactiveTitleStartColor: TColor read FInactiveTitleStartColor write SetInactiveTitleStartColor stored
IsNotSystemInfo;
property InactiveTitleEndColor: TColor read FInactiveTitleEndColor write SetInactiveTitleEndColor stored
IsNotSystemInfo;
property InactiveTitleVerticalGradient: Boolean read FInactiveTitleVerticalGradient write
SetInactiveTitleVerticalGradient default False;
property TextEllipsis: Boolean read FTextEllipsis write SetTextEllipsis default True;
property SystemInfo: Boolean read FSystemInfo write SetSystemInfo default True;
property GrabbersSize default VIDDefaultDockGrabbersSize;
property SplitterWidth default VIDDefaultDockSplitterWidth;
end;
TJvDockVIDTabServerOption = class(TJvDockBasicTabServerOption)
private
FActiveFont: TFont;
FActiveSheetColor: TColor;
FHotTrackColor: TColor;
FInactiveFont: TFont;
FInactiveSheetColor: TColor;
FShowTabImages: Boolean;
FShowTabHints: Boolean;
{ NEW! if true, shows invididual close buttons on tabs. If false, you get the old VID behaviour. }
FShowCloseButtonOnTabs: Boolean;
{NEW! default is true, which is the old VID Style behaviour. False is a new behaviour added by Warren. }
FShowCloseButtonOnGrabber: Boolean;
procedure SetActiveFont(Value: TFont);
procedure SetActiveSheetColor(const Value: TColor);
procedure SetHotTrackColor(const Value: TColor);
procedure SetInactiveFont(Value: TFont);
procedure SetInactiveSheetColor(const Value: TColor);
procedure SetShowTabImages(const Value: Boolean);
procedure SetShowTabHints(const Value: Boolean);
procedure SetShowCloseButtonOnGrabber(const Value: Boolean);
procedure SetShowCloseButtonOnTabs(const Value: Boolean);
protected
procedure FontChanged(Sender: TObject);
public
constructor Create(ADockStyle: TJvDockObservableStyle); override;
destructor Destroy; override;
procedure Assign(Source: TPersistent); override;
procedure SetTabPosition(const Value: TTabPosition); override;
published
property ActiveSheetColor: TColor read FActiveSheetColor write SetActiveSheetColor default clBtnFace;
property InactiveSheetColor: TColor read FInactiveSheetColor write SetInactiveSheetColor default clBtnShadow;
property ActiveFont: TFont read FActiveFont write SetActiveFont;
property InactiveFont: TFont read FInactiveFont write SetInactiveFont;
property HotTrackColor: TColor read FHotTrackColor write SetHotTrackColor default clBlue;
property ShowTabImages: Boolean read FShowTabImages write SetShowTabImages default False;
{ If true, shows the tab caption as a hint when you mouse over it }
property ShowTabHints: Boolean read FShowTabHints write SetShowTabHints default False;
property TabPosition default tpBottom;
{ NEW! If true, shows invididual close buttons on tabs.
If false, you get the old VID behaviour. }
property ShowCloseButtonOnTabs: Boolean read FShowCloseButtonOnTabs write SetShowCloseButtonOnTabs;
{NEW! Default is true, which is the old VID Style behaviour.
False is a new behaviour added by Warren. }
property ShowCloseButtonOnGrabber: Boolean read FShowCloseButtonOnGrabber write
SetShowCloseButtonOnGrabber default True;
end;
TJvDockSystemInfoChange = procedure(Value: Boolean) of object;
{$IFDEF RTL230_UP}
[ComponentPlatformsAttribute(pidWin32 or pidWin64)]
{$ENDIF RTL230_UP}
TJvDockVIDStyle = class(TJvDockAdvStyle)
private
FAlwaysShowGrabber: Boolean;
FSystemInfoChange: TJvDockSystemInfoChange;
procedure SetAlwaysShowGrabber(const Value: Boolean);
protected
function DockClientWindowProc(DockClient: TJvDockClient; var Msg: TMessage): Boolean; override;
procedure FormDockDrop(DockClient: TJvDockClient;
Source: TJvDockDragDockObject; X, Y: Integer); override;
procedure FormGetSiteInfo(Source: TJvDockDragDockObject; DockClient: TJvDockClient;
Client: TControl; var InfluenceRect: TRect; MousePos: TPoint;
var CanDock: Boolean); override;
procedure FormDockOver(DockClient: TJvDockClient; Source: TJvDockDragDockObject; X, Y: Integer;
State: TDragState; var Accept: Boolean); override;
procedure FormStartDock(DockClient: TJvDockClient;
var Source: TJvDockDragDockObject); override;
procedure FormGetDockEdge(DockClient: TJvDockClient; Source: TJvDockDragDockObject;
MousePos: TPoint; var DropAlign: TAlign); override;
procedure DoSystemInfoChange(Value: Boolean);
public
constructor Create(AOwner: TComponent); override;
procedure SetDockBaseControl(IsCreate: Boolean; DockBaseControl: TJvDockBaseControl); override;
published
property AlwaysShowGrabber: Boolean read FAlwaysShowGrabber write SetAlwaysShowGrabber; {NEW}
property SystemInfoChange: TJvDockSystemInfoChange read FSystemInfoChange write FSystemInfoChange;
property ConjoinServerOption;
property TabServerOption;
end;
TJvDockVIDSplitter = class(TJvDockSplitter);
TJvDockVIDPanel = class(TJvDockAdvPanel)
protected
procedure CustomGetSiteInfo(Source: TJvDockDragDockObject;
Client: TControl; var InfluenceRect: TRect; MousePos: TPoint;
var CanDock: Boolean); override;
procedure CustomStartDock(var Source: TJvDockDragDockObject); override;
procedure CustomDockDrop(Source: TJvDockDragDockObject; X, Y: Integer); override;
procedure CustomDockOver(Source: TJvDockDragDockObject; X, Y: Integer;
State: TDragState; var Accept: Boolean); override;
procedure CustomGetDockEdge(Source: TJvDockDragDockObject; MousePos: TPoint;
var DropAlign: TAlign); override;
public
procedure DockDrop(Source: TDragDockObject; X, Y: Integer); override;
procedure UpdateCaption(Exclude: TControl); override;
end;
TJvDockVIDConjoinPanel = class(TJvDockAdvConjoinPanel)
protected
procedure CustomGetSiteInfo(Source: TJvDockDragDockObject;
Client: TControl; var InfluenceRect: TRect; MousePos: TPoint;
var CanDock: Boolean); override;
procedure CustomDockOver(Source: TJvDockDragDockObject; X, Y: Integer;
State: TDragState; var Accept: Boolean); override;
procedure CustomGetDockEdge(Source: TJvDockDragDockObject; MousePos: TPoint; var DropAlign: TAlign); override;
function CustomUnDock(Source: TJvDockDragDockObject; NewTarget: TWinControl; Client: TControl): Boolean; override;
procedure CustomDockDrop(Source: TJvDockDragDockObject; X, Y: Integer); override;
public
procedure UpdateCaption(Exclude: TControl); override;
procedure DockDrop(Source: TDragDockObject; X, Y: Integer); override;
end;
TJvDockVIDZone = class(TJvDockAdvZone)
protected
function GetSplitterLimit(IsMin: Boolean): Integer; override;
public
destructor Destroy; override;
procedure Insert(DockSize: Integer; Hide: Boolean); override;
procedure Remove(DockSize: Integer; Hide: Boolean); override;
end;
TJvDockVIDTree = class(TJvDockAdvTree)
private
FDropOnZone: TJvDockZone;
FLockDropDockSizeCount: Integer;
FCaptionLeftOffset: Integer;
FCaptionRightOffset: Integer;
FShowCloseButtonOnGrabber: Boolean;
FAlwaysShowGrabber: Boolean;
procedure LockDropDockSize;
procedure UnlockDropDockSize;
procedure SetCaptionLeftOffset(const Value: Integer);
procedure SetCaptionRightOffset(const Value: Integer);
procedure SetShowCloseButtonOnGrabber(const Value: Boolean);
procedure SetAlwaysShowGrabber(const Value: Boolean);
procedure InvalidateDockSite(const Client: TControl);
protected
procedure InsertControlFromConjoinHost(Control: TControl;
InsertAt: TAlign; DropCtl: TControl); virtual;
procedure IgnoreZoneInfor(Stream: TMemoryStream); virtual;
{ [ERROR] Method 'AdjustDockRect' not found in base class.
if you get this error here, it is a Delphi compiler issue. }
procedure AdjustDockRect(Control: TControl; var ARect: TRect); override;
procedure WindowProc(var Msg: TMessage); override;
procedure SplitterMouseUp; override;
function GetTopGrabbersHTFlag(const MousePos: TPoint;
out HTFlag: Integer; Zone: TJvDockZone): TJvDockZone; override;
function GetDockGrabbersPosition: TJvDockGrabbersPosition; override;
procedure GetSiteInfo(Client: TControl;
var InfluenceRect: TRect; MousePos: TPoint; var CanDock: Boolean); override;
procedure InsertControl(Control: TControl; InsertAt: TAlign;
DropCtl: TControl); override;
procedure InsertSibling(NewZone, SiblingZone: TJvDockZone;
InsertLast, Update: Boolean); override;
procedure InsertNewParent(NewZone, SiblingZone: TJvDockZone;
ParentOrientation: TDockOrientation; InsertLast, Update: Boolean); override;
procedure DrawDockGrabber(Control: TWinControl; const ARect: TRect); override;
procedure DrawSplitterRect(const ARect: TRect); override;
procedure PaintDockGrabberRect(Canvas: TCanvas; Control: TWinControl;
const ARect: TRect; PaintAlways: Boolean = False); virtual;
procedure DrawCloseButton(Canvas: TCanvas; Zone: TJvDockZone;
Left, Top: Integer); virtual;
procedure ResetBounds(Force: Boolean); override;
procedure DrawDockSiteRect; override;
procedure PositionDockRect(Client, DropCtl: TControl; DropAlign: TAlign;
var DockRect: TRect); override;
function GetDockEdge(DockRect: TRect; MousePos: TPoint;
var DropAlign: TAlign; Control: TControl): TControl; override;
procedure RemoveZone(Zone: TJvDockZone; Hide: Boolean = True); override;
procedure GetCaptionRect(var Rect: TRect); override;
procedure SyncWithStyle; override;
property CaptionLeftOffset: Integer read FCaptionLeftOffset write SetCaptionLeftOffset;
property CaptionRightOffset: Integer read FCaptionRightOffset write SetCaptionRightOffset;
public
constructor Create(DockSite: TWinControl; DockZoneClass: TJvDockZoneClass;
ADockStyle: TJvDockObservableStyle); override;
property ShowCloseButtonOnGrabber: Boolean read FShowCloseButtonOnGrabber write SetShowCloseButtonOnGrabber;
property AlwaysShowGrabber: Boolean read FAlwaysShowGrabber write SetAlwaysShowGrabber;
end;
TJvDockVIDTabPageControl = class;
TJvDockVIDTabSheet = class(TJvDockTabSheet)
private
FTabWidth: Integer;
FShowTabWidth: Integer;
FIsSourceDockClient: Boolean;
procedure SetTabWidth(const Value: Integer);
procedure WMSetText(var Msg: TMessage); message WM_SETTEXT;
procedure SetSheetSort(const CaptionStr: string);
protected
procedure SetPageControl(APageControl: TJvDockPageControl); override;
property TabWidth: Integer read FTabWidth write SetTabWidth;
property ShowTabWidth: Integer read FShowTabWidth;
procedure Loaded; override;
procedure UpdateTabShowing; override;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property BorderWidth;
property Caption;
property DragMode;
property Enabled;
property Font;
property Height stored False;
property Highlighted;
property ImageIndex;
property Left stored False;
property Constraints;
property PageIndex;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property ShowHint;
property TabVisible;
property Top stored False;
property Visible stored False;
property Width stored False;
property OnContextPopup;
property OnDragDrop;
property OnDragOver;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnHide;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnResize;
property OnShow;
property OnStartDrag;
end;
TJvDockTabPanel = class(TCustomControl)
private
FDockPanel: TJvDockPanel; // If docked to a dock panel, this is it. nil is floating.
FPage: TJvDockVIDTabPageControl;
FActiveSheetColor: TColor;
FHotTrackColor: TColor;
FActiveFont: TFont;
FInactiveFont: TFont;
FTabLeftOffset: Integer;
FTabRightOffset: Integer;
FTabTopOffset: Integer;
FTabBottomOffset: Integer;
FCaptionLeftOffset: Integer;
FCaptionRightOffset: Integer;
FCaptionTopOffset: Integer;
FTabSplitterWidth: Integer;
FTabHeight: Integer;
FSortList: TList;
FSelectSheet: TJvDockVIDTabSheet;
FTempPages: TList;
FSelectHotIndex: Integer;
FShowTabImages: Boolean;
FShowTabHints: Boolean;
procedure SetPage(const Value: TJvDockVIDTabPageControl);
function GetTotalTabWidth: Integer;
procedure SetTotalTabWidth(const Value: Integer);
function GetMinTabWidth: TJvDockTabSheet;
function GetMaxTabWidth: TJvDockTabSheet;
procedure SetTabBottomOffset(const Value: Integer);
procedure SetTabLeftOffset(const Value: Integer);
procedure SetTabRightOffset(const Value: Integer);
procedure SetTabTopOffset(const Value: Integer);
procedure SetCaptionLeftOffset(const Value: Integer);
procedure SetCaptionRightOffset(const Value: Integer);
procedure SetCaptionTopOffset(const Value: Integer);
procedure SetTabSplitterWidth(const Value: Integer);
function GetSorts(Index: Integer): TJvDockVIDTabSheet;
function GetPanelHeight: Integer;
function GetPanelWidth: Integer;
procedure SetPanelHeight(const Value: Integer);
function FindSheetWithPos(cX, cY, cTopOffset, cBottomOffset: Integer): Integer;
function GetDockClientFromPageIndex(Index: Integer): TControl;
procedure CMMouseLeave(var Msg: TMessage); message CM_MOUSELEAVE;
procedure SetShowTabImages(const Value: Boolean);
procedure SetShowTabHints(const Value: Boolean);
procedure SetTabHeight(const Value: Integer);
protected
procedure Paint; override;
procedure MouseDown(Button: TMouseButton; Shift: TShiftState;
X, Y: Integer); override;
procedure MouseMove(Shift: TShiftState; X, Y: Integer); override;
procedure MouseUp(Button: TMouseButton; Shift: TShiftState;
X, Y: Integer); override;
function GetPageIndexFromMousePos(X, Y: Integer): Integer; virtual;
procedure SetShowTabWidth;
property TotalTabWidth: Integer read GetTotalTabWidth write SetTotalTabWidth;
property MinTabWidth: TJvDockTabSheet read GetMinTabWidth;
property MaxTabWidth: TJvDockTabSheet read GetMaxTabWidth;
property TabLeftOffset: Integer read FTabLeftOffset write SetTabLeftOffset default 5;
property TabRightOffset: Integer read FTabRightOffset write SetTabRightOffset default 5;
property TabTopOffset: Integer read FTabTopOffset write SetTabTopOffset default 2;
property TabBottomOffset: Integer read FTabBottomOffset write SetTabBottomOffset default 3;
property TabSplitterWidth: Integer read FTabSplitterWidth write SetTabSplitterWidth default 2;
property CaptionTopOffset: Integer read FCaptionTopOffset write SetCaptionTopOffset default 0;
property CaptionLeftOffset: Integer read FCaptionLeftOffset write SetCaptionLeftOffset default 5;
property CaptionRightOffset: Integer read FCaptionRightOffset write SetCaptionRightOffset default 5;
property Sorts[Index: Integer]: TJvDockVIDTabSheet read GetSorts;
property PanelHeight: Integer read GetPanelHeight write SetPanelHeight;
property PanelWidth: Integer read GetPanelWidth;
property TabHeight: Integer read FTabHeight write SetTabHeight;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure Resize; override;
procedure DeleteSorts(Sheet: TJvDockVIDTabSheet);
property Page: TJvDockVIDTabPageControl read FPage write SetPage;
property SelectSheet: TJvDockVIDTabSheet read FSelectSheet write FSelectSheet;
property ShowTabImages: Boolean read FShowTabImages write SetShowTabImages;
property ShowTabHints: Boolean read FShowTabHints write SetShowTabHints;
{NEW! If docked to a TJvDockPanel, this is it. if not (nil) then it is floating.}
property DockPanel: TJvDockPanel read FDockPanel write FDockPanel;
end;
TJvDockTabPanelClass = class of TJvDockTabPanel;
TJvDockVIDTabPageControl = class(TJvDockAdvTabPageControl)
private
FTabPanelClass: TJvDockTabPanelClass;
FPanel: TJvDockTabPanel;
FTempSheet: TJvDockVIDTabSheet;
FTabImageList: TCustomImageList;
procedure SetActiveSheetColor(const Value: TColor);
procedure SetInactiveSheetColor(const Value: TColor);
procedure SetTabBottomOffset(const Value: Integer);
procedure SetTabLeftOffset(const Value: Integer);
procedure SetTabRightOffset(const Value: Integer);
procedure SetTabTopOffset(const Value: Integer);
procedure SetActiveFont(Value: TFont);
procedure SetInactiveFont(Value: TFont);
procedure SetHotTrackColor(const Value: TColor);
function GetTabBottomOffset: Integer;
function GetTabLeftOffset: Integer;
function GetTabRightOffset: Integer;
function GetTabTopOffset: Integer;
function GetInactiveSheetColor: TColor;
function GetActiveSheetColor: TColor;
function GetActiveFont: TFont;
function GetInactiveFont: TFont;
function GetVisibleSheetCount: Integer;
function GetHotTrackColor: TColor;
function GetShowTabImages: Boolean;
procedure SetShowTabImages(const Value: Boolean);
function GetShowTabHints: Boolean;
procedure SetShowTabHints(const Value: Boolean);
function GetPage(Index: Integer): TJvDockVIDTabSheet;
function GetActiveVIDPage: TJvDockVIDTabSheet;
procedure SetActiveVIDPage(const Value: TJvDockVIDTabSheet);
procedure CMDockNotification(var Msg: TCMDockNotification); message CM_DOCKNOTIFICATION;
protected
procedure AdjustClientRect(var Rect: TRect); override;
procedure CreatePanel; virtual;
procedure Change; override;
procedure DoRemoveDockClient(Client: TControl); override;
procedure CustomDockOver(Source: TJvDockDragDockObject; X, Y: Integer; State: TDragState;
var Accept: Boolean); override;
procedure CustomGetSiteInfo(Source: TJvDockDragDockObject; Client: TControl; var InfluenceRect: TRect;
MousePos: TPoint; var CanDock: Boolean); override;
procedure CustomDockDrop(Source: TJvDockDragDockObject; X, Y: Integer); override;
procedure CustomGetDockEdge(Source: TJvDockDragDockObject; MousePos: TPoint; var DropAlign: TAlign); override;
function CustomUnDock(Source: TJvDockDragDockObject; NewTarget: TWinControl; Client: TControl): Boolean; override;
procedure DrawTab(TabIndex: Integer; const Rect: TRect; Active: Boolean); override;
procedure CreateParams(var Params: TCreateParams); override;
function GetDockClientFromMousePos(MousePos: TPoint): TControl; override;
procedure Paint; override;
procedure SetActivePage(Page: TJvDockTabSheet); override;
procedure SetTabHeight(Value: Smallint); override;
procedure SetTabPosition(Value: TTabPosition); override;
procedure CreateWnd; override;
procedure Loaded; override;
procedure SetHotTrack(Value: Boolean); override;
procedure SetImages(Value: TCustomImageList); override;
procedure SyncWithStyle; override;
property TabPanelClass: TJvDockTabPanelClass read FTabPanelClass write FTabPanelClass;
public
constructor Create(AOwner: TComponent); override;
procedure AfterConstruction; override;
property ActiveVIDPage: TJvDockVIDTabSheet read GetActiveVIDPage write SetActiveVIDPage;
destructor Destroy; override;
procedure DockDrop(Source: TDragDockObject; X, Y: Integer); override;
function DoUnDock(NewTarget: TWinControl; Client: TControl): Boolean; override;
procedure UpdateCaption(Exclude: TControl); override;
procedure Resize; override;
property Pages[Index: Integer]: TJvDockVIDTabSheet read GetPage;
property Panel: TJvDockTabPanel read FPanel;
property TempSheet: TJvDockVIDTabSheet read FTempSheet write FTempSheet;
property VisibleSheetCount: Integer read GetVisibleSheetCount;
published
property ActiveSheetColor: TColor read GetActiveSheetColor write SetActiveSheetColor;
property InactiveSheetColor: TColor read GetInactiveSheetColor write SetInactiveSheetColor;
property TabLeftOffset: Integer read GetTabLeftOffset write SetTabLeftOffset default 5;
property TabRightOffset: Integer read GetTabRightOffset write SetTabRightOffset default 5;
property TabTopOffset: Integer read GetTabTopOffset write SetTabTopOffset default 2;
property TabBottomOffset: Integer read GetTabBottomOffset write SetTabBottomOffset default 3;
property ActiveFont: TFont read GetActiveFont write SetActiveFont;
property InactiveFont: TFont read GetInactiveFont write SetInactiveFont;
property HotTrackColor: TColor read GetHotTrackColor write SetHotTrackColor;
property ShowTabImages: Boolean read GetShowTabImages write SetShowTabImages;
property ShowTabHints: Boolean read GetShowTabHints write SetShowTabHints;
property ActivePage;
property Align;
property Anchors;
property BiDiMode;
property Constraints;
property DockSite;
property DragCursor;
property DragKind;
property DragMode;
property Enabled;
property Font;
property HotTrack;
property Images;
property MultiLine;
property OwnerDraw;
property ParentBiDiMode;
property ParentFont;
property ParentShowHint;
property PopupMenu;
property RaggedRight;
property ScrollOpposite;
property ShowHint;
property Style;
property TabHeight;
property TabIndex;
property TabOrder;
property TabPosition;
property TabStop;
property TabWidth;
property Visible;
property OnChange;
property OnChanging;
property OnContextPopup;
property OnDockDrop;
property OnDockOver;
property OnDragDrop;
property OnDragOver;
property OnDrawTab;
property OnEndDock;
property OnEndDrag;
property OnEnter;
property OnExit;
property OnGetImageIndex;
property OnGetSiteInfo;
property OnMouseDown;
property OnMouseMove;
property OnMouseUp;
property OnResize;
property OnStartDock;
property OnStartDrag;
property OnUnDock;
end;
TJvDockVIDDragDockObject = class(TJvDockDragDockObject)
private
FOldDropAlign: TAlign;
FCurrState: TDragState;
FOldState: TDragState;
FOldTarget: Pointer;
FSourceDockClientList: TList;
FDropTabControl: TJvDockVIDTabPageControl;
FIsTabDockOver: Boolean;
FErase: Boolean;
function GetSourceDockClient(Index: Integer): TControl;
function GetSourceDockClientCount: Integer;
procedure SetOldState(const Value: TDragState);
procedure SetCurrState(const Value: TDragState);
protected
procedure GetBrush_PenSize_DrawRect(var ABrush: TBrush; var PenSize: Integer;
var DrawRect: TRect; Erase: Boolean); override;
procedure MouseMsg(var Msg: TMessage); override;
procedure DefaultDockImage(Erase: Boolean); override;
function CanLeave(NewTarget: TWinControl): Boolean; override;
public
constructor Create(AControl: TControl); override;
destructor Destroy; override;
function DragFindWindow(const Pos: TPoint): THandle; override;
function GetDropCtl: TControl; override;
property SourceDockClients[Index: Integer]: TControl read GetSourceDockClient;
property SourceDockClientCount: Integer read GetSourceDockClientCount;
property CurrState: TDragState read FCurrState write SetCurrState;
property OldState: TDragState read FOldState write SetOldState;
end;
procedure PaintGradientBackground(Canvas: TCanvas; ARect: TRect; StartColor, EndColor: TColor;
Vertical: Boolean = False);
{$IFDEF UNITVERSIONING}
const
UnitVersioning: TUnitVersionInfo = (
RCSfile: '$URL$';
Revision: '$Revision$';
Date: '$Date$';
LogPath: 'JVCL\run'
);
{$ENDIF UNITVERSIONING}
implementation
uses
{$IFDEF HAS_UNIT_SYSTEM_UITYPES}
System.UITypes,
{$ENDIF HAS_UNIT_SYSTEM_UITYPES}
Types,
{$IFDEF JVCLThemesEnabled}
JvThemes,
{$ENDIF JVCLThemesEnabled}
SysUtils, Math, Forms,
JvDockSupportProc;
type
TJvTempWinControl = class(TWinControl);
var
gi_DockRect: TRect;
{ (rb) Compare to PaintGradientBackground in JvDockVIDVCStyle.pas }
procedure PaintGradientBackground(Canvas: TCanvas; ARect: TRect;
StartColor, EndColor: TColor; Vertical: Boolean = False);
const
D = 256;
var
X, Y, C1, C2, R1, G1, B1, W, H: Integer;
DR, DG, DB, DH, DW: Real;
procedure InitRGBValues(C1, C2: Integer);
begin
R1 := GetRValue(C1);
G1 := GetGValue(C1);
B1 := GetBValue(C1);
DR := (GetRValue(C2) - R1) / D;
DG := (GetGValue(C2) - G1) / D;
DB := (GetBValue(C2) - B1) / D;
end;
begin
with Canvas do
begin
Lock;
try
Brush.Style := bsSolid;
{ !! GetRValue etc. assume that the input param is a RGB value thus
NO system color, such as clWindowText etc. }
C1 := ColorToRGB(StartColor);
C2 := ColorToRGB(EndColor);
if C1 <> C2 then
begin
InitRGBValues(C1, C2);
if not Vertical then
begin
DH := (ARect.Right - ARect.Left) / D;
for X := 0 to 255 do
begin
Brush.Color := RGB(R1 + Round(DR * X), G1 + Round(DG * X),
B1 + Round(DB * X));
if ARect.Right <= ARect.Left + Round((X + 1) * DH) then
W := ARect.Right
else
W := ARect.Left + Round((X + 1) * DH);
FillRect(Rect(ARect.Left + Round(X * DH), ARect.Top, W, ARect.Bottom));
end;
end
else
begin
DW := (ARect.Bottom - ARect.Top) / D;
for Y := 0 to 255 do
begin
Brush.Color := RGB(R1 + Round(DR * Y), G1 + Round(DG * Y),
B1 + Round(DB * Y));
if ARect.Bottom <= ARect.Top + Round((Y + 1) * DW) then
H := ARect.Bottom
else
H := ARect.Top + Round((Y + 1) * DW);
FillRect(Rect(ARect.Left, ARect.Top + Round(Y * DW), ARect.Right, H));
end;
end;
end
else
begin
Brush.Color := StartColor;
FillRect(ARect);
end;
finally
Unlock;
end;
end;
end;
procedure AssignList(FromList, ToList: TList);
var
I: Integer;
begin
ToList.Clear;
for I := 0 to FromList.Count - 1 do
ToList.Add(FromList[I]);
end;
function ComputeVIDDockingRect(Target, Control: TControl; var DockRect: TRect; MousePos: TPoint): TAlign;
var
DockTopRect: TRect;
DockLeftRect: TRect;
DockBottomRect: TRect;
DockRightRect: TRect;
DockCenterRect: TRect;
DockTabRect: TRect;
begin
Result := alNone;
if Target = nil then
Exit;
with Target do
begin
DockLeftRect.TopLeft := Point(0, 0);
DockLeftRect.BottomRight := Point(ClientWidth div 5, ClientHeight);
DockTopRect.TopLeft := Point(ClientWidth div 5, 0);
DockTopRect.BottomRight := Point(ClientWidth div 5 * 4, ClientHeight div 5);
DockRightRect.TopLeft := Point(ClientWidth div 5 * 4, 0);
DockRightRect.BottomRight := Point(ClientWidth, ClientHeight);
if Target is TJvDockCustomTabControl then
begin
DockBottomRect.TopLeft := Point(ClientWidth div 5, ClientWidth div 5 * 4);
DockBottomRect.BottomRight := Point(ClientWidth div 5 * 4, ClientHeight - JvDockGetSysCaptionHeight);
end
else
begin
DockBottomRect.TopLeft := Point(0, ClientHeight div 5 * 4);
DockBottomRect.BottomRight := Point(ClientWidth, ClientHeight);
end;
DockCenterRect.TopLeft := Point(0, -JvDockGetSysCaptionHeight);
DockCenterRect.BottomRight := Point(ClientWidth, 0);
if Target is TJvDockCustomTabControl then
begin
DockTabRect.TopLeft := Point(0, ClientHeight - JvDockGetSysCaptionHeight);
DockTabRect.BottomRight := Point(ClientWidth, ClientHeight);
end
else
DockTabRect := Rect(0, 0, 0, 0);
if PtInRect(DockCenterRect, MousePos) or
PtInRect(DockTabRect, MousePos) then
begin
Result := alClient;
DockRect := DockCenterRect;
DockRect.BottomRight := Point(ClientWidth, ClientHeight);
end
else
if PtInRect(DockLeftRect, MousePos) then
begin
Result := alLeft;
DockRect := DockLeftRect;
DockRect.Right := Min(ClientWidth div 2, Control.ClientWidth);
end
else
if PtInRect(DockTopRect, MousePos) then
begin
Result := alTop;
DockRect := DockTopRect;
DockRect.Left := 0;
DockRect.Right := ClientWidth;
DockRect.Bottom := Min(ClientHeight div 2, Control.ClientHeight);
end
else
if PtInRect(DockRightRect, MousePos) then
begin
Result := alRight;
DockRect := DockRightRect;
DockRect.Left := Max(ClientWidth div 2, ClientWidth - Control.ClientWidth);
end
else
if PtInRect(DockBottomRect, MousePos) then
begin
Result := alBottom;
DockRect := DockBottomRect;
DockRect.Top := Max(ClientHeight div 2, ClientHeight - Control.ClientHeight);
end;
if Result = alNone then
Exit;
DockRect.TopLeft := ClientToScreen(DockRect.TopLeft);
DockRect.BottomRight := ClientToScreen(DockRect.BottomRight);
end;
end;
(* (ahuser) not used - make Delphi 5 happy
procedure SetTabControlPreview(VIDSource: TJvDockVIDDragDockObject;
TabControl: TJvDockVIDTabPageControl;
State: TDragState; DropAlign: TAlign);
var
I: Integer;
Index: Integer;
begin
if TabControl <> nil then
begin
if DropAlign = alClient then
begin
if TabControl.FTempSheet = nil then
begin
for I := VIDSource.SourceDockClientCount - 1 downto 0 do
begin
TabControl.FTempSheet := TJvDockVIDTabSheet.Create(TabControl);
TabControl.FTempSheet.PageControl := TabControl;
TabControl.FTempSheet.Caption := TJvTempWinControl(VIDSource.SourceDockClients[I]).Caption;
Index := TabControl.FTabImageList.AddIcon(TForm(VIDSource.SourceDockClients[I]).Icon);
if Index <> -1 then
TabControl.FTempSheet.ImageIndex := Index;
TabControl.FTempSheet.FIsSourceDockClient := True;
end;
TabControl.ActivePage := TabControl.FTempSheet;
TabControl.Panel.SelectSheet := TabControl.FTempSheet;
TabControl.Panel.FTempPages.Assign(TabControl.PageSheets);
TabControl.ActivePage.Invalidate;
end;
end;
if ((State = dsDragLeave) or (VIDSource.DropAlign <> alClient)) and (TabControl.FTempSheet <> nil) then
begin
for I := TabControl.PageCount - 1 downto 0 do
begin
if TJvDockVIDTabSheet(TabControl.Pages[I]).FIsSourceDockClient then
begin
Index := TabControl.Panel.FTempPages.IndexOf(TabControl.Pages[I]);
if Index >= 0 then
begin
TabControl.Panel.FTempPages.Delete(Index);
if TabControl.FTabImageList.Count > Index then
TabControl.FTabImageList.Delete(Index);
end;
TabControl.Pages[I].Free;
end;
end;
TabControl.FTempSheet := nil;
end;
TabControl.ParentForm.Caption := TabControl.ActivePage.Caption;
if TabControl.ParentForm.HostDockSite is TJvDockCustomPanel then
TabControl.ParentForm.HostDockSite.Invalidate;
end;
end;
*)
//=== { TJvDockVIDStyle } ====================================================
constructor TJvDockVIDStyle.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
DockPanelClass := TJvDockVIDPanel;
DockSplitterClass := TJvDockVIDSplitter;
ConjoinPanelClass := TJvDockVIDConjoinPanel;
TabDockClass := TJvDockVIDTabPageControl;
DockPanelTreeClass := TJvDockVIDTree;
DockPanelZoneClass := TJvDockVIDZone;
ConjoinPanelTreeClass := TJvDockVIDTree;
ConjoinPanelZoneClass := TJvDockVIDZone;
ConjoinServerOptionClass := TJvDockVIDConjoinServerOption;
TabServerOptionClass := TJvDockVIDTabServerOption;
end;
procedure TJvDockVIDStyle.FormDockOver(DockClient: TJvDockClient; Source: TJvDockDragDockObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
var
ARect: TRect;
begin
with DockClient do
begin
Accept := EnableDock and EachOtherDock and
IsDockable(ParentForm, Source.Control, Source.DropOnControl, Source.DropAlign);
if State = dsDragMove then
begin
Source.DropAlign := ComputeVIDDockingRect(ParentForm, Source.Control, ARect, Point(X, Y));
if Accept and (Source.DropAlign <> alNone) then
begin
if Source.DropAlign = alClient then
Inc(ARect.Top, JvDockGetSysCaptionHeightAndBorderWidth + 1);
Source.DockRect := ARect;
end;
gi_DockRect := ARect;
end
else
if State = dsDragLeave then
Source.DropAlign := alNone;
if Source is TJvDockVIDDragDockObject then
begin
TJvDockVIDDragDockObject(Source).OldState := TJvDockVIDDragDockObject(Source).CurrState;
TJvDockVIDDragDockObject(Source).CurrState := State;
end;
end;
end;
procedure TJvDockVIDStyle.FormGetSiteInfo(Source: TJvDockDragDockObject; DockClient: TJvDockClient;
Client: TControl; var InfluenceRect: TRect; MousePos: TPoint;
var CanDock: Boolean);
const
DefExpandoRect = 20;
var
CH_BW: Integer;
ARect: TRect;
begin
with DockClient do
begin
CanDock := IsDockable(ParentForm, Client, Source.DropOnControl, Source.DropAlign);
if CanDock then
begin
GetWindowRect(ParentForm.Handle, InfluenceRect);
if ParentForm.HostDockSite is TJvDockCustomPanel then
Dec(InfluenceRect.Top, TJvDockCustomPanel(ParentForm.HostDockSite).JvDockManager.GrabberSize);
if PtInRect(InfluenceRect, MousePos) then
begin
ARect := InfluenceRect;
InflateRect(ARect, -DefExpandoRect, -DefExpandoRect);
CH_BW := JvDockGetSysCaptionHeightAndBorderWidth;
Inc(ARect.Top, CH_BW + 1);
if PtInRect(ARect, MousePos) then
begin
InfluenceRect := Rect(0, 0, 0, 0);
CanDock := False;
end;
end;
end;
end;
end;
procedure TJvDockVIDStyle.FormDockDrop(DockClient: TJvDockClient;
Source: TJvDockDragDockObject; X, Y: Integer);
var
ARect, DRect: TRect;
DockType: TAlign;
Host: TJvDockableForm;
APanelDock: TWinControl;
VIDSource: TJvDockVIDDragDockObject;
I: Integer;
begin
if Source is TJvDockVIDDragDockObject then
begin
TJvDockVIDDragDockObject(Source).CurrState := dsDragEnter;
TJvDockVIDDragDockObject(Source).OldState := dsDragEnter;
end;
if IsDockable(DockClient.ParentForm, Source.Control, Source.DropOnControl, Source.DropAlign) then
begin
Host := nil;
JvDockLockWindow(nil);
try
with DockClient do
begin
DockType := ComputeVIDDockingRect(DockClient.ParentForm, Source.Control, ARect, Point(X, Y));
if ParentForm.HostDockSite is TJvDockPanel then
begin
if DockType = alClient then
begin
if Source.Control is TJvDockTabHostForm then
begin
APanelDock := ParentForm.HostDockSite;
ARect := ParentForm.BoundsRect;
ParentForm.ManualDock(TJvDockTabHostForm(Source.Control).PageControl, nil, alClient);
TJvDockTabHostForm(Source.Control).PageControl.ActivePage.PageIndex := 0;
Source.Control.BoundsRect := ARect;
Source.Control.ManualDock(APanelDock, nil, alClient);
if ParentForm.FormStyle = fsStayOnTop then
TForm(Source.Control).FormStyle := fsStayOnTop;
end
else
begin
APanelDock := ParentForm.HostDockSite;
DRect.TopLeft := ParentForm.HostDockSite.ClientToScreen(Point(0, 0));
Host := CreateTabHostAndDockControl(ParentForm, Source.Control);