examples: add drag-dock example which works with TLazDockTree (just to look at what work now and what needs to be fixed)

git-svn-id: trunk@17856 -

.gitattributes

@@ -2061,6 +2061,14 @@ examples/designerbaseclass/example/unit1.lfm svneol=native#text/plain
 examples/designerbaseclass/example/unit1.lrs svneol=native#text/plain
 examples/designerbaseclass/example/unit1.pas svneol=native#text/plain
 examples/dlgform.pp svneol=native#text/pascal
+examples/docking/project1.ico -text svneol=unset#image/icon
+examples/docking/project1.lpi svneol=native#text/plain
+examples/docking/project1.lpr svneol=native#text/pascal
+examples/docking/project1.lrs svneol=native#text/pascal
+examples/docking/project1.rc svneol=native#text/plain
+examples/docking/unit1.lfm svneol=native#text/plain
+examples/docking/unit1.lrs svneol=native#text/pascal
+examples/docking/unit1.pas svneol=native#text/pascal
 examples/dragimagelist/project1.lpi svneol=native#text/plain
 examples/dragimagelist/project1.lpr svneol=native#text/pascal
 examples/dragimagelist/readme.txt svneol=native#text/plain

examples/docking/project1.lpi

@@ -0,0 +1,236 @@
+<?xml version="1.0"?>
+<CONFIG>
+  <ProjectOptions>
+    <PathDelim Value="\"/>
+    <Version Value="6"/>
+    <General>
+      <MainUnit Value="0"/>
+      <TargetFileExt Value=".exe"/>
+      <Icon Value="0"/>
+      <UseXPManifest Value="True"/>
+      <ActiveEditorIndexAtStart Value="1"/>
+    </General>
+    <VersionInfo>
+      <ProjectVersion Value=""/>
+      <Language Value=""/>
+      <CharSet Value=""/>
+    </VersionInfo>
+    <PublishOptions>
+      <Version Value="2"/>
+      <IgnoreBinaries Value="False"/>
+      <IncludeFileFilter Value="*.(pas|pp|inc|lfm|lpr|lrs|lpi|lpk|sh|xml)"/>
+      <ExcludeFileFilter Value="*.(bak|ppu|ppw|o|so);*~;backup"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+        <LaunchingApplication PathPlusParams="/usr/X11R6/bin/xterm -T 'Lazarus Run Output' -e $(LazarusDir)/tools/runwait.sh $(TargetCmdLine)"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="1">
+      <Item1>
+        <PackageName Value="LCL"/>
+      </Item1>
+    </RequiredPackages>
+    <Units Count="15">
+      <Unit0>
+        <Filename Value="project1.lpr"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="project1"/>
+        <CursorPos X="54" Y="4"/>
+        <TopLine Value="1"/>
+        <EditorIndex Value="1"/>
+        <UsageCount Value="78"/>
+        <Loaded Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="unit1.pas"/>
+        <ComponentName Value="Form1"/>
+        <IsPartOfProject Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <ResourceFilename Value="unit1.lrs"/>
+        <UnitName Value="Unit1"/>
+        <CursorPos X="16" Y="61"/>
+        <TopLine Value="53"/>
+        <EditorIndex Value="0"/>
+        <UsageCount Value="78"/>
+        <Bookmarks Count="1">
+          <Item0 X="18" Y="72" ID="1"/>
+        </Bookmarks>
+        <Loaded Value="True"/>
+      </Unit1>
+      <Unit2>
+        <Filename Value="..\..\..\lazarus\lcl\ldocktree.pas"/>
+        <UnitName Value="LDockTree"/>
+        <CursorPos X="84" Y="1598"/>
+        <TopLine Value="1564"/>
+        <UsageCount Value="38"/>
+        <Bookmarks Count="1">
+          <Item0 X="18" Y="1302" ID="2"/>
+        </Bookmarks>
+      </Unit2>
+      <Unit3>
+        <Filename Value="..\..\..\lazarus\lcl\include\control.inc"/>
+        <CursorPos X="1" Y="1377"/>
+        <TopLine Value="1360"/>
+        <UsageCount Value="38"/>
+      </Unit3>
+      <Unit4>
+        <Filename Value="..\..\..\lazarus\lcl\include\wincontrol.inc"/>
+        <CursorPos X="13" Y="7000"/>
+        <TopLine Value="6978"/>
+        <UsageCount Value="38"/>
+      </Unit4>
+      <Unit5>
+        <Filename Value="..\..\..\lazarus\lcl\controls.pp"/>
+        <UnitName Value="Controls"/>
+        <CursorPos X="5" Y="1890"/>
+        <TopLine Value="1873"/>
+        <UsageCount Value="38"/>
+      </Unit5>
+      <Unit6>
+        <Filename Value="..\..\..\lazarus\lcl\include\customform.inc"/>
+        <CursorPos X="1" Y="2175"/>
+        <TopLine Value="2158"/>
+        <UsageCount Value="38"/>
+      </Unit6>
+      <Unit7>
+        <Filename Value="..\..\..\lazarus\lcl\include\scrollingwincontrol.inc"/>
+        <CursorPos X="7" Y="58"/>
+        <TopLine Value="49"/>
+        <UsageCount Value="38"/>
+      </Unit7>
+      <Unit8>
+        <Filename Value="..\..\..\lazarus\lcl\include\dockzone.inc"/>
+        <CursorPos X="41" Y="249"/>
+        <TopLine Value="226"/>
+        <UsageCount Value="35"/>
+      </Unit8>
+      <Unit9>
+        <Filename Value="..\..\..\lazarus\lcl\lclproc.pas"/>
+        <UnitName Value="LCLProc"/>
+        <CursorPos X="1" Y="1497"/>
+        <TopLine Value="1480"/>
+        <UsageCount Value="34"/>
+      </Unit9>
+      <Unit10>
+        <Filename Value="..\..\..\lazarus\lcl\include\docktree.inc"/>
+        <CursorPos X="3" Y="1"/>
+        <TopLine Value="1"/>
+        <UsageCount Value="37"/>
+      </Unit10>
+      <Unit11>
+        <Filename Value="..\..\..\lazarus\lcl\extctrls.pp"/>
+        <UnitName Value="ExtCtrls"/>
+        <CursorPos X="5" Y="452"/>
+        <TopLine Value="441"/>
+        <UsageCount Value="9"/>
+      </Unit11>
+      <Unit12>
+        <Filename Value="..\..\..\lazarus\lcl\include\customsplitter.inc"/>
+        <CursorPos X="3" Y="35"/>
+        <TopLine Value="1"/>
+        <UsageCount Value="9"/>
+      </Unit12>
+      <Unit13>
+        <Filename Value="..\..\..\lazarus\lcl\helpintfs.pas"/>
+        <UnitName Value="HelpIntfs"/>
+        <CursorPos X="38" Y="402"/>
+        <TopLine Value="386"/>
+        <UsageCount Value="10"/>
+      </Unit13>
+      <Unit14>
+        <Filename Value="..\..\..\lazarus\lcl\lazhelphtml.pas"/>
+        <UnitName Value="LazHelpHTML"/>
+        <CursorPos X="3" Y="52"/>
+        <TopLine Value="35"/>
+        <UsageCount Value="10"/>
+      </Unit14>
+    </Units>
+    <JumpHistory Count="14" HistoryIndex="13">
+      <Position1>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="74" Column="14" TopLine="52"/>
+      </Position1>
+      <Position2>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="95" Column="16" TopLine="78"/>
+      </Position2>
+      <Position3>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="25" Column="34" TopLine="1"/>
+      </Position3>
+      <Position4>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="71" Column="23" TopLine="37"/>
+      </Position4>
+      <Position5>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="8" Column="1" TopLine="1"/>
+      </Position5>
+      <Position6>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="69" Column="1" TopLine="47"/>
+      </Position6>
+      <Position7>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="67" Column="15" TopLine="50"/>
+      </Position7>
+      <Position8>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="9" Column="47" TopLine="1"/>
+      </Position8>
+      <Position9>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="67" Column="13" TopLine="50"/>
+      </Position9>
+      <Position10>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="67" Column="13" TopLine="50"/>
+      </Position10>
+      <Position11>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="9" Column="60" TopLine="1"/>
+      </Position11>
+      <Position12>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="16" Column="33" TopLine="1"/>
+      </Position12>
+      <Position13>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="69" Column="22" TopLine="52"/>
+      </Position13>
+      <Position14>
+        <Filename Value="unit1.pas"/>
+        <Caret Line="16" Column="52" TopLine="15"/>
+      </Position14>
+    </JumpHistory>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="8"/>
+    <PathDelim Value="\"/>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+    <Other>
+      <CompilerPath Value="$(CompPath)"/>
+    </Other>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

examples/docking/project1.lpr

@@ -0,0 +1,22 @@
+program project1;
+
+{$mode objfpc}{$H+}
+{$apptype console} // to read debug output on windows
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms
+  { you can add units after this }, Unit1, LResources;
+
+{$IFDEF WINDOWS}{$R project1.rc}{$ENDIF}
+
+begin
+  {$I project1.lrs}
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+

examples/docking/project1.rc

@@ -0,0 +1,26 @@
+#define RT_MANIFEST  24
+#define CREATEPROCESS_MANIFEST_RESOURCE_ID 1
+#define ISOLATIONAWARE_MANIFEST_RESOURCE_ID 2
+#define ISOLATIONAWARE_NOSTATICIMPORT_MANIFEST_RESOURCE_ID 3
+
+CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST MOVEABLE PURE
+{
+ "<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>"
+ "<assembly xmlns=""urn:schemas-microsoft-com:asm.v1"" manifestVersion=""1.0"">"
+ "<assemblyIdentity version=""1.0.0.0"" processorArchitecture=""*"" name=""CompanyName.ProductName.YourApp"" type=""win32""/>"
+ "<description>Your application description here.</description>"
+ "<dependency>"
+ "<dependentAssembly>"
+ "<assemblyIdentity type=""win32"" name=""Microsoft.Windows.Common-Controls"" version=""6.0.0.0"" processorArchitecture=""*"" publicKeyToken=""6595b64144ccf1df"" language=""*""/>"
+ "</dependentAssembly>"
+ "</dependency>"
+ "<trustInfo xmlns=""urn:schemas-microsoft-com:asm.v3"">"
+ "<security>"
+ "<requestedPrivileges>"
+ "<requestedExecutionLevel level=""asInvoker"" uiAccess=""false""/>"
+ "</requestedPrivileges>"
+ "</security>"
+ "</trustInfo>"
+ "</assembly>"
+}
+MAINICON ICON "project1.ico"

examples/docking/unit1.lfm

@@ -0,0 +1,40 @@
+object Form1: TForm1
+  Left = 290
+  Height = 302
+  Top = 175
+  Width = 449
+  AutoSize = True
+  Caption = 'Form1'
+  DockSite = True
+  Menu = MainMenu1
+  OnDockOver = FormDockOver
+  UseDockManager = True
+  LCLVersion = '0.9.27'
+  object MainMenu1: TMainMenu
+    left = 421
+    top = 48
+    object MenuItem1: TMenuItem
+      Caption = 'Create New Form'
+      RightJustify = False
+      ShowAlwaysCheckable = False
+      OnClick = MenuItem1Click
+    end
+    object MenuItem2: TMenuItem
+      Caption = 'Dump Layout'
+      RightJustify = False
+      ShowAlwaysCheckable = False
+      OnClick = MenuItem2Click
+    end
+  end
+  object HTMLHelpDatabase1: THTMLHelpDatabase
+    AutoRegister = True
+    left = 421
+    top = 77
+  end
+  object HTMLBrowserHelpViewer1: THTMLBrowserHelpViewer
+    BrowserParams = '%s'
+    AutoRegister = True
+    left = 421
+    top = 106
+  end
+end

examples/docking/unit1.lrs

@@ -0,0 +1,15 @@
+{ This is an automatically generated lazarus resource file }
+
+LazarusResources.Add('TForm1','FORMDATA',[
+  'TPF0'#6'TForm1'#5'Form1'#4'Left'#3'"'#1#6'Height'#3'.'#1#3'Top'#3#175#0#5'Wi'
+  +'dth'#3#193#1#8'AutoSize'#9#7'Caption'#6#5'Form1'#8'DockSite'#9#4'Menu'#7#9
+  +'MainMenu1'#10'OnDockOver'#7#12'FormDockOver'#14'UseDockManager'#9#10'LCLVer'
+  +'sion'#6#6'0.9.27'#0#9'TMainMenu'#9'MainMenu1'#4'left'#3#165#1#3'top'#2'0'#0
+  +#9'TMenuItem'#9'MenuItem1'#7'Caption'#6#15'Create New Form'#12'RightJustify'
+  +#8#19'ShowAlwaysCheckable'#8#7'OnClick'#7#14'MenuItem1Click'#0#0#9'TMenuItem'
+  +#9'MenuItem2'#7'Caption'#6#11'Dump Layout'#12'RightJustify'#8#19'ShowAlwaysC'
+  +'heckable'#8#7'OnClick'#7#14'MenuItem2Click'#0#0#0#17'THTMLHelpDatabase'#17
+  +'HTMLHelpDatabase1'#12'AutoRegister'#9#4'left'#3#165#1#3'top'#2'M'#0#0#22'TH'
+  +'TMLBrowserHelpViewer'#22'HTMLBrowserHelpViewer1'#13'BrowserParams'#6#2'%s'
+  +#12'AutoRegister'#9#4'left'#3#165#1#3'top'#2'j'#0#0#0
+]);

examples/docking/unit1.pas

@@ -0,0 +1,130 @@
+unit Unit1; 
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
+  Menus, ExtCtrls, Types, LDockTree, HelpIntfs, LazHelpHTML;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    HTMLBrowserHelpViewer1: THTMLBrowserHelpViewer;
+    HTMLHelpDatabase1: THTMLHelpDatabase;
+    MainMenu1: TMainMenu;
+    MenuItem1: TMenuItem;
+    MenuItem2: TMenuItem;
+    procedure FormDockOver(Sender: TObject; Source: TDragDockObject; X,
+      Y: Integer; State: TDragState; var Accept: Boolean);
+    procedure MenuItem1Click(Sender: TObject);
+    procedure MenuItem2Click(Sender: TObject);
+  private
+    FIndex: Integer;
+    function NextIndex: String;
+  public
+    { public declarations }
+  end; 
+
+var
+  Form1: TForm1; 
+
+implementation
+
+{ TForm1 }
+
+procedure TForm1.MenuItem1Click(Sender: TObject);
+var
+  F: TForm;
+  Idx: String;
+begin
+  F := TForm.Create(Application);
+  with F do
+  begin
+    DragKind := dkDock;
+    DragMode := dmAutomatic;
+    Idx := NextIndex;
+    Caption := 'New Form ' + Idx;
+    Name := 'DockForm' + Idx;
+    with TPanel.Create(F) do
+    begin
+      Parent := F;
+      Align := alClient;
+      Caption := F.Caption;
+    end;
+    Show;
+  end;
+end;
+
+procedure TForm1.MenuItem2Click(Sender: TObject);
+var
+  FileName, err: String;
+begin
+  FileName := ExtractFilePath(ParamStr(0))+'1.html';
+  TDockTree(DockManager).DumpLayout(FileName);
+  // how to open it in a cross-platform way?
+  err := '';
+  if HelpIntfs.ShowHelp('file:///' + FileName, 'Dock Layout', 'text/html', err) <> shrSuccess then
+    ShowMessage(err);
+end;
+
+procedure TForm1.FormDockOver(Sender: TObject; Source: TDragDockObject; X,
+  Y: Integer; State: TDragState; var Accept: Boolean);
+
+  function RectToScreen(R: TRect): TRect;
+  begin
+    Result.TopLeft := ClientToScreen(R.TopLeft);
+    Result.BottomRight := ClientToScreen(R.BottomRight);
+  end;
+
+var
+  ChopWidth, ChopHeight: Integer;
+  Pt: TPoint;
+  R: TRect;
+begin
+  Accept := True;
+  ChopWidth := ClientWidth div 3;
+  ChopHeight := ClientHeight div 3;
+  Pt := Point(X, Y);
+  R := Rect(0, 0, ChopWidth, ClientHeight);
+  if PtInRect(R, Pt) then
+  begin
+    Source.DockRect := RectToScreen(R);
+    Exit;
+  end;
+  R := Rect(0, 0, ClientWidth, ChopHeight);
+  if PtInRect(R, Pt) then
+  begin
+    Source.DockRect := RectToScreen(R);
+    Exit;
+  end;
+  R := Rect(ClientWidth - ChopWidth, 0, ClientWidth, ClientHeight);
+  if PtInRect(R, Pt) then
+  begin
+    Source.DockRect := RectToScreen(R);
+    Exit;
+  end;
+  R := Rect(0, ClientHeight - ChopHeight, ClientWidth, ClientHeight);
+  if PtInRect(R, Pt) then
+  begin
+    Source.DockRect := RectToScreen(R);
+    Exit;
+  end;
+  R := Rect(0, 0, ClientWidth, ClientHeight);
+  Source.DockRect := RectToScreen(R);
+end;
+
+function TForm1.NextIndex: String;
+begin
+  Result := IntToStr(FIndex);
+  inc(FIndex);
+end;
+
+initialization
+  {$I unit1.lrs}
+
+end.
+