forked from CyberShadow/ProSnooper
/
DockPanel.pas
1966 lines (1695 loc) · 58 KB
/
DockPanel.pas
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{$A+,B-,C+,D+,E-,F-,G+,H+,I+,J+,K-,L+,M-,N+,O+,P+,Q-,R-,S-f,T-,U-,V+,W-,X+,Y+,Z1}
{$MINSTACKSIZE $00004000}
{$MAXSTACKSIZE $00100000}
{$IMAGEBASE $00400000}
{$APPTYPE GUI}
{-------------------------------------------------------------------------------
This is a modified version of the dockpanel originally written for the
OpenPerl IDE. It's been made to be as easy to use as physicly possible,
handling a lot of the stuff for you.
}
{-------------------------------------------------------------------------------
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/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
the specific language governing rights and limitations under the License.
The Original Code is: DockPanel.pas, released 04 Nov 2001.
The Initial Developer of the Original Code is Jürgen Güntherodt.
Portions created by Jürgen Güntherodt <jguentherodt@users.sourceforge.net>
are Copyright (C) 2001-2002 Jürgen Güntherodt. All Rights Reserved.
Contributor: Stefan Ascher <stievie@users.sourceforge.net>
Alternatively, the contents of this file may be used under the terms of the
GNU General Public License Version 2 or later (the "GPL"), in which case
the provisions of the GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the GPL and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the GPL.
If you do not delete the provisions above, a recipient may use your version
of this file under either the MPL or the GPL.
$Id: DockPanel.pas,v 1.4 2002/05/26 13:47:35 jguentherodt Exp $
You may retrieve the latest version of this file at the Open Perl IDE webpage,
located at http://open-perl-ide.sourceforge.net or http://www.lost-sunglasses.de
-------------------------------------------------------------------------------}
unit DockPanel;
interface
uses
extCtrls, controls, classes, windows, comCtrls, forms, sysUtils,
graphics, messages, ImgList, iniFiles, registry, commctrl;
Type TTabType=(ttText, ttTextIcon, ttIcon);
type
TDockHandler = class;
TPageControlHost = class;
TDockPanel = class(TPanel)
private
m_iWidth: Integer;
m_bUnDocking: Boolean;
TabPos: TTabPosition;
m_iMinSize: Integer;
m_bDockOnPageControl: Boolean;
pSizer: TSplitter;
protected
procedure PSizerMoved(Sender: TObject);
function CreateDockManager: IDockManager; override;
procedure DockOver(Source: TDragDockObject; X, Y: Integer; State: TDragState; var Accept: Boolean); override;
procedure UnDock(Sender: TObject; Client: TControl; NewTarget: TWinControl; var Allow: Boolean);
procedure DoEndDock(Target: TObject; X, Y: Integer); override;
procedure GetSiteInfo(Client: TControl; var InfluenceRect: TRect; MousePos: TPoint; var CanDock: Boolean); override;
procedure DoStartDock(var DragObject: TDragObject); override;
function DoUnDock(NewTarget: TWinControl; Client: TControl): Boolean; override;
procedure Resize(Sender: TObject);
function GetAsString: String; virtual;
procedure SetAsString(s: String); virtual;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure DockDrop(Source: TDragDockObject; X, Y: Integer); override;
property AsString: String Read GetAsString Write SetAsString;
property MinSizeWidth: Integer Read m_iMinSize Write m_iMinSize;
published
property TabPosition: TTabPosition read TabPos write TabPos;
end;
TSetOtherHostAsStringEvent = procedure(Sender: TDockHandler; sValue: String) of object;
TGetOtherHostAsStringEvent = function(Sender: TDockHandler): String of object;
TDockHandler = class
private
m_iMinSize: Integer;
b_ShowGrabberBars: Boolean;
m_slDockPanels: TStringList;
m_slPageControlHosts: TStringList;
m_slDockClients: TStringList;
m_Owner: TComponent;
m_OnRefresh: TNotifyEvent;
m_slDockHosts: TStringList;
m_OnSetOtherHostsAsString: TSetOtherHostAsStringEvent;
m_OnGetOtherHostsAsString: TGetOtherHostAsStringEvent;
m_pcShadow: TPageControl;
TType: TTabType;
m_nLockRefreshCount: Integer;
function GetDockPanelCount: Integer;
procedure SetTType(s: TTabType); Virtual;
function GetDockPanels(i: Integer): TDockPanel;
function GetPageControlHostCount: Integer;
function GetPageControlHosts(i: Integer): TPageControlHost;
function GetDockHostCount: Integer;
function GetDockHosts(i: Integer): TWinControl;
function GetDockClientCount: Integer;
function GetDockClients(i: Integer): TWinControl;
procedure BuildOldPageControl(sAlign, sData: String);
procedure DoRefresh; virtual;
procedure DoSetOtherHostsAsString(sValue: String);
function DoGetOtherHostsAsString: String;
protected
function GetAsString: String; virtual;
procedure SetAsString(s: String); virtual;
procedure RegisterDockPanel(pnl: TDockPanel); virtual;
procedure UnRegisterDockPanel(pnl: TDockPanel); virtual;
procedure UnregisterPageControlHost(pch: TPageControlHost); virtual;
procedure RegisterPageControlHost(pch: TPageControlHost); virtual;
procedure RegisterDockClient(ctrl: TControl); virtual;
procedure UnRegisterDockClient(ctrl: TControl); virtual;
public
bLoadSuccess: Boolean;
constructor Create(AOwner: TComponent);
destructor Destroy; override;
procedure LockRefresh;
procedure UnlockRefresh;
procedure UnRegisterDockHost(wctrl: TWinControl);
procedure SaveDesktop(regPath: String);
procedure LoadDesktop(regPath: String);
procedure RegisterDockHost(wctrl: TWinControl);
procedure Refresh;
property DockClientCount: Integer Read GetDockClientCount;
property DockClients[i: Integer]: TWinControl Read GetDockClients;
property DockHostCount: Integer Read GetDockHostCount;
property DockHosts[i: Integer]: TWinControl Read GetDockHosts;
property DockPanelCount: Integer Read GetDockPanelCount;
property DockPanels[i: Integer]: TDockPanel Read GetDockPanels;
property PageControlHostCount: Integer Read GetPageControlHostCount;
property PageControlHosts[i: Integer]: TPageControlHost Read GetPageControlHosts;
property AsString: String Read GetAsString Write SetAsString;
property ShowGrabberBars: Boolean Read b_ShowGrabberBars Write b_ShowGrabberBars;
property Owner: TComponent Read m_Owner;
property OnRefresh: TNotifyEvent Read m_OnRefresh Write m_OnRefresh;
property OnSetOtherHostsAsString: TSetOtherHostAsStringEvent Read m_OnSetOtherHostsAsString Write m_OnSetOtherHostsAsString;
property OnGetOtherHostsAsString: TGetOtherHostAsStringEvent Read m_OnGetOtherHostsAsString Write m_OnGetOtherHostsAsString;
property TabType: TTabType Read TType Write SetTType;
end;
TPageControlHost = class(TForm)
PageControl: TPageControl;
tmr: TTimer;
img: TImageList;
Timer1: TTimer;
procedure PageControlUnDock(Sender: TObject; Client: TControl;
NewTarget: TWinControl; var Allow: Boolean);
procedure tmrTimer(Sender: TObject);
procedure PageControlGetSiteInfo(Sender: TObject; DockClient: TControl;
var InfluenceRect: TRect; MousePos: TPoint; var CanDock: Boolean);
procedure PageControlDockDrop(Sender: TObject; Source: TDragDockObject;
X, Y: Integer);
procedure PageControlChange(Sender: TObject);
procedure PageControlDrawTab(Control: TCustomTabControl;
TabIndex: Integer; const Rect: TRect; Active: Boolean);
procedure TabSheet1Show(Sender: TObject);
procedure TabSheet1Hide(Sender: TObject);
procedure FormShow(Sender: TObject);
private
{ Private declarations }
m_bOnClose: Boolean;
function GetVisibleDockClientCount: Integer;
// procedure TextRotate(const S: string; x,y, deg : integer);
protected
function GetAsString: String; virtual;
procedure SetAsString(s: String); virtual;
procedure DoShow; override;
procedure DoHide; override;
procedure DoStartDock(var DragObject: TDragObject); override;
procedure DoEndDock(Target: TObject; X, Y: Integer); override;
public
bUnDocking: Boolean;
{ Public declarations }
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
property AsString: String Read GetAsString Write SetAsString;
end;
TDockableForm = class(TForm)
private
m_CaptionPanel: TPanel;
m_LastHostDockSiteClass: TClass;
SizePer: Integer;
function GetVisible: Boolean;
procedure SetVisible(b: Boolean);
procedure FormHide(Sender: TObject);
protected
function GetAsString: String; virtual;
procedure SetAsString(s: String); virtual;
procedure DoEndDock(Target: TObject; X, Y: Integer); override;
procedure DoShow; override;
procedure DoHide; override;
property AsString: String Read GetAsString Write SetAsString;
public
{ Public declarations }
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure RefreshCaption; virtual;
property Visible: Boolean Read GetVisible Write SetVisible;
property LastHostDockSiteClass: TClass Read m_LastHostDockSiteClass;
end;
type
TXPDockTree = class(TDockTree)
FGrabberSize: Integer;
protected
property DockSite;
public
procedure AdjustDockRect(Control: TControl; var ARect: TRect); override;
procedure PaintDockFrame(Canvas: TCanvas; Control: TControl; const ARect: TRect); override;
procedure PaintSite(DC: HDC); override;
constructor Create(DockSite: TWinControl);
end;
var
bDontSize: BOolean;
function DockHandler(AOwner: TComponent = nil): TDockHandler;
procedure Register;
implementation
{$R *.DFM}
// {$R F_DOCKABLEFORM.DFM}
const
InternalDockHandler: TDockHandler = nil;
procedure Register;
begin
RegisterComponents('DockPanel', [TDockPanel]);
end;
function GetVisibleDockClientCount(win: TWinControl): Integer;
var
i: Integer;
begin
Result := 0;
for i := 0 to win.DockClientCount - 1 do begin
if win.DockClients[i].Visible then inc(Result);
end;
end;
function DockHandler(AOwner: TComponent): TDockHandler;
begin
if InternalDockHandler = nil then InternalDockHandler := TDockHandler.Create(AOwner);
Result := InternalDockHandler;
end;
function StrToBool(s: String): Boolean;
begin
if s = 'FALSE' then Result := False else Result := True;
end;
function BoolToStr(b: Boolean): String;
begin
if b then Result := 'TRUE' else Result := 'FALSE';
end;
////////////////////////////////////////////////////////////////////////////////
// TDockHandler = class(TComponent)
////////////////////////////////////////////////////////////////////////////////
constructor TDockHandler.Create(AOwner: TComponent);
begin
inherited Create;
m_Owner := AOwner;
if not (csDesigning in m_Owner.ComponentState) then begin
m_pcShadow := TPageControl.Create(m_Owner);
m_pcShadow.Parent := TWinControl(m_Owner);
m_pcShadow.Visible := False;
m_pcShadow.DockSite := True;
end;
m_slDockPanels := TStringList.Create;
m_slDockPanels.Sorted := True;
m_slDockPanels.Duplicates := dupIgnore;
m_slPageControlHosts := TStringList.Create;
m_slPageControlHosts.Sorted := True;
m_slPageControlHosts.Duplicates := dupIgnore;
m_slDockClients := TStringList.Create;
m_slDockClients.Sorted := True;
m_slDockClients.Duplicates := dupIgnore;
m_slDockHosts := TStringList.Create;
m_slDockHosts.Sorted := True;
m_slDockHosts.Duplicates := dupIgnore;
AsString := '';
end;
destructor TDockHandler.Destroy;
begin
while DockPanelCount > 0 do UnRegisterDockPanel(DockPanels[0]);
while PageControlHostCount > 0 do UnregisterPageControlHost(PageControlHosts[0]);
while DockHostCount > 0 do UnregisterDockHost(DockHosts[0]);
m_slDockHosts.Free;
m_slDockPanels.Free;
m_slPageControlHosts.Free;
m_slDockClients.Free;
inherited Destroy;
end;
procedure TdockHandler.SetTType(s: TTabType);
begin
TType := s;
end;
procedure TDockHandler.LockRefresh;
begin
inc(m_nLockRefreshCount);
end;
procedure TDockHandler.UnlockRefresh;
begin
if m_nLockRefreshCount > 0 then dec(m_nLockRefreshCount);
if m_nLockRefreshCount = 0 then Refresh;
end;
function TDockHandler.GetDockClientCount: Integer;
begin
Result := m_slDockClients.Count;
end;
function TDockHandler.GetDockClients(i: Integer): TWinControl;
begin
Result := TWinControl(m_slDockClients.Objects[i]);
end;
function TDockHandler.DoGetOtherHostsAsString: String;
begin
if Assigned(m_OnGetOtherHostsAsString) then Result := m_OnGetOtherHostsAsString(Self);
end;
procedure TDockHandler.DoSetOtherHostsAsString(sValue: String);
begin
if Assigned(m_OnSetOtherHostsAsString) then m_OnSetOtherHostsAsString(Self, sValue);
end;
function TDockHandler.GetDockHostCount: Integer;
begin
Result := m_slDockHosts.Count;
end;
function TDockHandler.GetDockHosts(i: Integer): TWinControl;
begin
Result := TWinControl(m_slDockHosts.Objects[i]);
end;
procedure TDockHandler.UnRegisterDockHost(wctrl: TWinControl);
var
idx: Integer;
begin
idx := m_slDockHosts.IndexOf(IntToStr(Integer(wctrl)));
if idx > -1 then m_slDockHosts.Delete(idx);
end;
procedure TDockHandler.RegisterDockHost(wctrl: TWinControl);
begin
m_slDockHosts.AddObject(IntToStr(Integer(wctrl)), wctrl);
end;
procedure TDockHandler.Refresh;
begin
if m_nLockRefreshCount = 0 then DoRefresh;
end;
procedure TDockHandler.DoRefresh;
var i,b: Integer;
pg: TPageControlHost;
tf: TDockableForm;
Icon: TIcon;
begin
for i := 0 to GetDockPanelCount-1 do
if GetVisibleDockClientcount(GetDockPanels(i)) = 0 then begin
With GetDockPanels(i) do begin
Width := 0;
Height := 0;
if pSizer <> nil then begin
pSizer.Align := alNone;
pSizer.Visible := False;
pSizer.Destroy;
pSizer := nil;
end;
end;
end
else begin
With GetDockPanels(i) do begin
if (Align = alLeft) or (Align = alRight) then begin
if Width < m_iMinSize then begin
Width := m_iMinSize;
end;
end
else begin
if Height < m_iMinSize then begin
Height := m_iMinSize;
end;
end;
if pSizer = nil then begin
// Place a splitter
pSizer := TSplitter.Create(Parent);
pSizer.OnMoved := PSizerMoved;
pSizer.MinSize := m_iMinSize;
pSizer.Color := clBtnFace;
pSizer.Parent := Parent;
pSizer.Align := Align;
pSizer.Visible := True;
pSizer.Width := 4;
end;
if Align = alTop then
pSizer.Top := Height + Top;
if Align = alBottom then
pSizer.Top := Top;
if Align = alLeft then
pSizer.Left := Left + Width;
if Align = alRight then
pSizer.Left := Left;
end;
end;
if Assigned(m_OnRefresh) then m_OnRefresh(Self);
end;
procedure TDockHandler.RegisterDockClient(ctrl: TControl);
begin
m_slDockClients.AddObject(IntToStr(Integer(ctrl)), ctrl);
if ctrl.Owner <> nil then ctrl.Owner.RemoveComponent(ctrl);
if Owner <> nil then Owner.InsertComponent(ctrl);
end;
procedure TDockHandler.UnRegisterDockClient(ctrl: TControl);
var
idx: Integer;
begin
idx := m_slDockClients.IndexOf(IntToStr(Integer(ctrl)));
if idx > -1 then m_slDockClients.Delete(idx);
end;
function TDockHandler.GetDockPanelCount: Integer;
begin
Result := m_slDockPanels.Count;
end;
function TDockHandler.GetDockPanels(i: Integer): TDockPanel;
begin
Result := TDockPanel(m_slDockPanels.Objects[i]);
end;
function TDockHandler.GetPageControlHostCount: Integer;
begin
Result := m_slPageControlHosts.Count;
end;
function TDockHandler.GetPageControlHosts(i: Integer): TPageControlHost;
begin
Result := TPageControlHost(m_slPageControlHosts.Objects[i]);
end;
procedure TDockHandler.UnregisterPageControlHost(pch: TPageControlHost);
var
idx: Integer;
begin
idx := m_slPageControlHosts.IndexOf(IntToStr(Integer(pch)));
if idx > -1 then m_slPageControlHosts.Delete(idx);
end;
procedure TDockHandler.RegisterPageControlHost(pch: TPageControlHost);
begin
m_slPageControlHosts.AddObject(IntToStr(Integer(pch)), pch);
end;
function TDockHandler.GetAsString: String;
var
sl: TStringList;
i: Integer;
sPageControlHosts: String;
sDockPanels: String;
sFloatingDockForms: String;
frm: TDockableForm;
begin
sl := TStringList.Create;
for i := 0 to m_slDockClients.Count - 1 do begin
frm := TDockableForm(m_slDockClients.Objects[i]);
if frm.HostDockSite = nil then sl.Values[frm.Name] := frm.AsString;
end;
sFloatingDockForms := sl.CommaText;
sl.Clear;
for i := 0 to PageControlHostCount - 1 do begin
sl.Values[PageControlHosts[i].Name] := PageControlHosts[i].AsString;
end;
sPageControlHosts := sl.CommaText;
sl.Clear;
for i := 0 to DockPanelCount - 1 do begin
sl.Values[DockPanels[i].Name] := DockPanels[i].AsString;
end;
sDockPanels := sl.CommaText;
sl.Clear;
sl.Values['FloatingDockForms'] := sFloatingDockForms;
sl.Values['PageControlHosts'] := sPageControlHosts;
sl.Values['DockPanels'] := sDockPanels;
sl.Values['OtherHosts'] := DoGetOtherHostsAsString;
sl.Values['Version'] := '1';
Result := sl.CommaText;
sl.Free;
end;
procedure TDockHandler.LoadDesktop(regPath: string);
var
reg: TRegistry;
tmp: String;
begin
reg := TRegistry.Create;
reg.OpenKey(regPath, True);
bLoadSuccess := False;
tmp:=AsString;
if reg.ValueExists('dockData') then begin
SetAsString(reg.ReadString('dockData'));
bLoadSuccess := True;
end;
reg.Free;
end;
procedure TDockHandler.SaveDesktop(regPath: string);
var
reg: TRegistry;
begin
reg := TRegistry.Create;
reg.OpenKey(regPath, True);
reg.WriteString('dockData', AsString);
reg.Free;
end;
procedure TDockHandler.BuildOldPageControl(sAlign, sData: String);
var
sl: TStringList;
pch: TPageControlHost;
cmp: TComponent;
i: Integer;
dp: TDockPanel;
nTabIndex: Integer;
begin
sl := TStringList.Create;
sl.CommaText := sData;
if sl.Count > 3 then begin
pch := TPageControlHost.Create(Owner);
if DockHandler.TType = ttIcon then
pch.PageControl.Images := pch.img;
pch.Name := 'pc' + sAlign;
cmp := Owner.FindComponent('dp' + sAlign);
if (cmp <> nil) and (cmp is TDockPanel) then begin
dp := TDockPanel(cmp);
dp.Width := StrToIntDef(sl.Values['Width'], 200);
dp.Height := StrToIntDef(sl.Values['Height'], 200);
for i := 3 to sl.Count - 1 do begin
cmp := Owner.FindComponent(sl.Names[i]);
if (cmp <> nil) and (cmp is TDockableForm) then begin
TDockableForm(cmp).AsString := sl.Values[cmp.Name];
TDockableForm(cmp).ManualDock(pch.PageControl);
end;
end;
pch.ManualDock(dp);
nTabIndex := StrToIntDef(sl.Values['TabIndex'], -1);
if (nTabIndex > -1) and (nTabIndex < pch.PageControl.PageCount) then
pch.PageControl.ActivePage := pch.PageControl.Pages[nTabIndex];
pch.Visible := True;
end;
end;
sl.Free;
end;
procedure TDockHandler.SetAsString(s: String);
var
sl: TStringList;
i: Integer;
slFloatingDockForms: TStringList;
slPageControlHosts: TStringList;
slDockPanels: TStringList;
cmp: TComponent;
ctrl: TControl;
rct: TRect;
sVersion: String;
begin
// Lock updates
LockRefresh;
try
bDontSize:=True;
// Hide and float all registered dock clients
for i := 0 to m_slDockClients.Count - 1 do begin
ctrl := TControl(m_slDockClients.Objects[i]);
TControl(m_slDockClients.Objects[i]).ManualDock(m_pcShadow);
TControl(m_slDockClients.Objects[i]).Hide;
if ctrl is TDockableForm then TDockableForm(ctrl).m_LastHostDockSiteClass := nil;
rct := ctrl.BoundsRect;
if ctrl.Parent <> nil then begin
rct.TopLeft := ctrl.Parent.ClientToScreen(rct.TopLeft);
rct.BottomRight := ctrl.Parent.ClientToScreen(rct.BottomRight);
end;
ctrl.ManualFloat(rct);
end;
// Destroy all dynamic page control hosts
while PageControlHostCount > 0 do PageControlHosts[0].Free;
sl := TStringList.Create;
sl.CommaText := s;
sVersion := UpperCase(sl.Values['Version']);
if sVersion = '1' then begin
// Handle floating dockable forms
slFloatingDockForms := TStringList.Create;
slFloatingDockForms.CommaText := sl.Values['FloatingDockForms'];
for i := 0 to slFloatingDockForms.Count - 1 do begin
cmp := Owner.FindComponent(slFloatingDockForms.Names[i]);
if cmp <> nil then begin
TDockableForm(cmp).AsString := slFloatingDockForms.Values[cmp.Name];
end;
end;
slFloatingDockForms.Free;
// Create dynamic page control hosts
slPageControlHosts := TStringList.Create;
slPageControlHosts.CommaText := sl.Values['PageControlHosts'];
for i := 0 to slPageControlHosts.Count - 1 do begin
cmp := Owner.FindComponent(slPageControlHosts.Names[i]);
if cmp = nil then begin
cmp := TPageControlHost.Create(Owner);
TPageControlHost(cmp).SetParent(nil); //Owner as TWinControl);
cmp.Name := slPageControlHosts.Names[i];
end;
TPageControlHost(cmp).AsString := slPageControlHosts.Values[cmp.Name];
end;
slPageControlHosts.Free;
// Create dockpanels
slDockPanels := TStringList.Create;
slDockPanels.CommaText := sl.Values['DockPanels'];
for i := 0 to slDockPanels.Count - 1 do begin
cmp := Owner.FindComponent(slDockPanels.Names[i]);
if cmp <> nil then begin
TDockPanel(cmp).AsString := slDockPanels.Values[cmp.Name];
if TDockPanel(cmp).DockClientCount = 0 then begin
TDockPanel(cmp).Width := 0;
TDockPanel(cmp).Height := 0;
end;
end;
end;
slDockPanels.Free;
// Handle forms, which are docked in another way
DoSetOtherHostsAsString(sl.Values['OtherHosts']);
end else begin
// Handle floating dockable forms
slFloatingDockForms := TStringList.Create;
slFloatingDockForms.CommaText := sl.Values['Floating'];
for i := 0 to slFloatingDockForms.Count - 1 do begin
cmp := Owner.FindComponent(slFloatingDockForms.Names[i]);
if (cmp <> nil) and (cmp is TDockableForm) then begin
TDockableForm(cmp).AsString := slFloatingDockForms.Values[cmp.Name];
end;
end;
DoSetOtherHostsAsString('MainForm=' + slFloatingDockForms.Values['MainForm']);
slFloatingDockForms.Free;
BuildOldPageControl('Left', sl.Values['pcLeft']);
BuildOldPageControl('Top', sl.Values['pcTop']);
BuildOldPageControl('Right', sl.Values['pcRight']);
BuildOldPageControl('Bottom', sl.Values['pcBottom']);
end;
sl.Free;
finally
// Unlock updates
UnlockRefresh;
bDontSize:=False;
end;
end;
procedure TDockHandler.RegisterDockPanel(pnl: TDockPanel);
begin
m_slDockPanels.AddObject(IntToStr(Integer(pnl)), pnl);
end;
procedure TDockHandler.UnRegisterDockPanel(pnl: TDockPanel);
var
idx: Integer;
begin
idx := m_slDockPanels.IndexOf(IntToStr(Integer(pnl)));
if idx > -1 then m_slDockPanels.Delete(idx);
end;
////////////////////////////////////////////////////////////////////////////////
// TDockPanel = class(TPanel)
////////////////////////////////////////////////////////////////////////////////
constructor TDockPanel.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
// DockManager := TXPDockTree.Create(Self);
m_iWidth := 200;
m_iMinSize := 50;
OnUnDock := UnDock;
OnResize := Resize;
DockHandler(AOwner).RegisterDockPanel(Self);
end;
procedure TDockPanel.PSizerMoved(Sender: TObject);
begin
if (Align = alLeft) or (Align = alRight) then begin
if Width < m_iMinSize then begin
Width := m_iMinSize;
Dockhandler.Refresh;
end;
end
else begin
if Height < m_iMinSize then begin
Height := m_iMinSize;
DockHandler.Refresh;
end;
end;
end;
procedure TDockPanel.Resize(Sender: TObject);
begin
end;
procedure TDockPanel.UnDock(Sender: TObject; Client: TControl; NewTarget: TWinControl; var Allow: Boolean);
begin
m_bUndocking := True;
if (Align = alLeft) or (align = alRight) then
m_iWidth := Width
else
m_iWidth := Height;
if GetVisibleDockClientCount(Self) = 1 then begin
if (Align = alLeft) or (Align = alRight) then
Width := 0
else
Height := 0;
if pSizer <> nil then begin
// This should never be the case but better safe than
// sorry :)
pSizer.Align := alNone;
pSizer.Destroy;
pSizer := nil;
end;
end;
end;
destructor TDockPanel.Destroy;
begin
DockHandler.UnRegisterDockPanel(Self);
inherited Destroy;
end;
function TDockPanel.CreateDockManager: IDockManager;
begin
Result := inherited CreateDockManager;
(*
if (DockManager = nil) and DockSite and UseDockManager then
Result := TCustomDockTree.Create(Self)
else
Result := DockManager;
*)
end;
procedure TDockPanel.SetAsString(s: String);
var
sl: TStringList;
slDockClients: TStringList;
cmp: TComponent;
i: Integer;
ms: TMemoryStream;
h: String;
begin
sl := TStringList.Create;
sl.CommaText := s;
bDontSize := True;
// Restore dock clients
slDockClients := TStringList.Create;
slDockClients.CommaText := sl.Values['DockClients'];
for i := 0 to slDockClients.Count - 1 do begin
cmp := Owner.FindComponent(slDockClients.Names[i]);
if (cmp <> nil) and (cmp is TDockableForm) then begin
TDockableForm(cmp).AsString := slDockClients.Values[cmp.Name];
TDockableForm(cmp).m_CaptionPanel.Visible := True;
end;
end;
slDockClients.Free;
// Load width and height
Width := StrToIntDef(sl.Values['Width'], 200);
Height := StrToIntDef(sl.Values['Height'], 200);
m_iWidth := StrToIntDef(sl.Values['iWidth'], 200);
// Load and apply docking information
h := sl.Values['DockingData'];
ms := TMemoryStream.Create;
ms.SetSize(Length(h) div 2);
HexToBin(PChar(h), ms.Memory, Length(h));
ms.Seek(0, soFromBeginning);
DockManager.LoadFromStream(ms);
DockManager.ResetBounds(True);
ms.Free;
bDontSize:=False;
sl.Free;
end;
function TDockPanel.GetAsString: String;
var
i: Integer;
sl: TStringList;
ms: TMemoryStream;
sDockingData: String;
sDockClients: String;
begin
Result := '';
sl := TStringList.Create;
for i := 0 to DockClientCount - 1 do begin
sl.Values[DockClients[i].Name] := TDockableForm(DockClients[i]).AsString;
end;
sDockClients := sl.CommaText;
sl.Clear;
// Use DockManager to store docking information
ms := TMemoryStream.Create;
DockManager.SaveToStream(ms);
SetLength(sDockingData, 2 * ms.Size);
BinToHex(ms.Memory, PChar(sDockingData), ms.Size);
ms.Free;
sl.Values['DockClients'] := sDockClients;
sl.Values['Width'] := IntToStr(Width);
sl.Values['Height'] := IntToStr(Height);
sl.Values['iWidth'] := IntToStr(m_iWidth);
sl.Values['DockingData'] := sDockingData;
Result := sl.CommaText;
if (Self.DockClientCount = 0) then begin
Width := 0;
Height := 0;
end;
sl.Free;
end;
procedure TDockPanel.DockDrop(Source: TDragDockObject; X, Y: Integer);
var
pch: TPageControlHost;
begin
m_bUndocking := True;
if (Source.Control is TPageControlHost) then begin
(Source.Control as TPageControlHost).PageControl.TabPosition := Self.TabPos;
if ((Source.Control as TPageControlHost).PageControl.TabPosition <> tpLeft) and ((Source.Control as TPageControlHost).PageControl.TabPosition <> tpRight) then
(Source.Control as TPageControlHost).PageControl.MultiLine := False;
end;
if m_bDockOnPageControl then begin
pch := TPageControlHost.Create(Owner);
pch.Parent := Self;
pch.BoundsRect := Source.DropOnControl.ClientRect;
pch.Visible := True;
m_bDockOnPageControl := False;
pch.PageControl.OwnerDraw := False;
pch.ReplaceDockedControl(Source.DropOnControl, pch.PageControl, nil, alClient);
Source.Control.ManualDock(pch.PageControl);
pch.Caption := pch.PageControl.ActivePage.Caption;
pch.PageControl.OwnerDraw := True;
pch.PageControl.TabPosition := Self.TabPos;
if (pch.PageControl.TabPosition <> tpLeft) and (pch.PageControl.TabPosition <> tpRight) then
pch.PageControl.MultiLine := False;
end else begin
inherited DockDrop(Source, x, y);
if m_iWidth < m_iMinSize then m_iWidth := m_iMinSize;
if pSizer = nil then begin
// Place a splitter
pSizer := TSplitter.Create(Self.Parent);
pSizer.OnMoved := PSizerMoved;
pSizer.MinSize := m_iMinSize;
pSizer.Color := clBtnFace;
pSizer.Parent := Self.Parent;
pSizer.Align := Self.Align;
pSizer.Visible := True;
pSizer.Width := 4;
end;
if (Self.DockClientCount =1) and (bDontSize=False) then
if (Self.Align = alLeft) or (Align = alRight) then
Width := m_iWidth
else
Height := m_iWidth;
if Align = alTop then
pSizer.Top := Self.Height + Self.Top;
if Align = alBottom then
pSizer.Top := Self.Top;
if Align = alLeft then
pSizer.Left := Self.Left + Self.Width;
if Align = alRight then
pSizer.Left := Self.Left;
end;
end;
procedure TDockPanel.DockOver(Source: TDragDockObject; X, Y: Integer; State: TDragState; var Accept: Boolean);
var
rct: TRect;
nFrameWidth, nFrameHeight: Integer;
begin
inherited DockOver(Source, x, y, State, Accept);
m_bDockOnPageControl := False;
if GetVisibleDockClientCount(Self) = 0 then begin
if m_iWidth < m_iMinSize then m_iWidth := m_iMinSize;
if Self.Align = alLeft then begin
rct.TopLeft := Point(0, 0);
rct.BottomRight := Point(m_iWidth, ClientHeight);
rct.TopLeft := ClientToScreen(rct.TopLeft);
rct.BottomRight := ClientToScreen(rct.BottomRight);
Source.DockRect := rct;
end
else if Self.Align = alRight then begin
rct.TopLeft := Point(Width - m_iWidth, 0);
rct.BottomRight := Point(ClientWidth, ClientHeight);
rct.TopLeft := ClientToScreen(rct.TopLeft);
rct.BottomRight := ClientToScreen(rct.BottomRight);
Source.DockRect := rct;
end
else if Self.Align = alBottom then begin
rct.TopLeft := Point(0, ClientHeight - m_iWidth);
rct.BottomRight := Point(Width, ClientHeight);
rct.TopLeft := ClientToScreen(rct.TopLeft);