tvplanit: New demo (navbar). Fix distance of small icons in navbar.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4989 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/tvplanit/examples/navbar/project1.lpi

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="project1"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+      <Icon Value="0"/>
+    </General>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="laz_visualplanit"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="project1.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="project1"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

components/tvplanit/examples/navbar/project1.lpr

@@ -0,0 +1,21 @@
+program project1;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, Unit1, laz_visualplanit
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource := True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+

components/tvplanit/examples/navbar/unit1.pas

@@ -0,0 +1,141 @@
+unit Unit1;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ExtCtrls,
+  StdCtrls, VpNavBar;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    Bevel1: TBevel;
+    BtnAddFolder: TButton;
+    BtnAddItem: TButton;
+    IconsLbl: TLabel;
+    IconsLink: TLabel;
+    RadioGroup2: TRadioGroup;
+    Label1: TLabel;
+    Images: TImageList;
+    Panel1: TPanel;
+    RadioGroup1: TRadioGroup;
+    VpNavBar1: TVpNavBar;
+    procedure BtnAddFolderClick(Sender: TObject);
+    procedure BtnAddItemClick(Sender: TObject);
+    procedure FormCreate(Sender: TObject);
+    procedure IconsLinkClick(Sender: TObject);
+    procedure IconsLinkMouseEnter(Sender: TObject);
+    procedure IconsLinkMouseLeave(Sender: TObject);
+    procedure RadioGroup1Click(Sender: TObject);
+    procedure RadioGroup2Click(Sender: TObject);
+    procedure VpNavBar1FolderChanged(Sender: TObject; Index: Integer);
+    procedure VpNavBar1ItemClick(Sender: TObject; Button: TMouseButton;
+      Shift: TShiftState; Index: Integer);
+  private
+    { private declarations }
+  public
+    { public declarations }
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+uses
+  LCLIntf;
+
+{ TForm1 }
+
+procedure TForm1.BtnAddFolderClick(Sender: TObject);
+var
+  s: String;
+begin
+  s := InputBox('Add folder', 'Folder name:', '');
+  if s <> '' then
+    VpNavBar1.AddFolder(s);
+end;
+
+procedure TForm1.BtnAddItemClick(Sender: TObject);
+var
+  folder: TVpNavFolder;
+  item: TVpNavBtnItem;
+  s: String;
+  idx: Integer;
+begin
+  if VpNavBar1.ActiveFolder = -1 then
+    exit;
+  s := InputBox('Add item', 'Item name:', '');
+  if s <> '' then begin
+    folder := VpNavBar1.Folders[VpNavBar1.ActiveFolder];
+    idx := folder.ItemCount;
+    VpNavBar1.AddItem(s, VpNavBar1.ActiveFolder, idx);
+    item := folder.Items[idx];
+    item.IconIndex := Random(VpNavBar1.Images.Count);
+  end;
+end;
+
+procedure TForm1.FormCreate(Sender: TObject);
+begin
+  RandSeed := 1;
+  IconsLink.Left := IconsLbl.Left + IconsLbl.Width;
+  RadioGroup1.ItemIndex := ord(VpNavBar1.DrawingStyle);
+end;
+
+procedure TForm1.IconsLinkClick(Sender: TObject);
+begin
+  OpenDocument(IconsLink.Caption);
+end;
+
+procedure TForm1.IconsLinkMouseEnter(Sender: TObject);
+begin
+  IconsLink.Font.style := IconsLink.Font.Style + [fsUnderline];
+end;
+
+procedure TForm1.IconsLinkMouseLeave(Sender: TObject);
+begin
+  IconsLink.Font.style := IconsLink.Font.Style - [fsUnderline];
+end;
+
+procedure TForm1.RadioGroup1Click(Sender: TObject);
+begin
+  VpNavBar1.DrawingStyle := TVpFolderDrawingStyle(Radiogroup1.ItemIndex);
+end;
+
+procedure TForm1.RadioGroup2Click(Sender: TObject);
+var
+  folder: TVpNavFolder;
+begin
+  folder := VpNavBar1.Folders[VpNavBar1.ActiveFolder];
+  folder.IconSize := TVpIconSize(RadioGroup1.ItemIndex);
+end;
+
+procedure TForm1.VpNavBar1FolderChanged(Sender: TObject; Index: Integer);
+var
+  folder: TVpNavFolder;
+begin
+  RadioGroup2.OnClick := nil;
+  folder := VpNavBar1.Folders[Index];
+  RadioGroup2.ItemIndex := ord(folder.IconSize);
+  RadioGroup2.OnClick := @RadioGroup2Click;
+end;
+
+procedure TForm1.VpNavBar1ItemClick(Sender: TObject; Button: TMouseButton;
+  Shift: TShiftState; Index: Integer);
+var
+  folder: TVpNavFolder;
+  item: TVpNavBtnItem;
+begin
+  folder := VpNavBar1.Folders[VpNavBar1.ActiveFolder];
+  item := folder.Items[Index];
+  Label1.Caption := Format('Item "%s" clicked', [item.Caption]);
+end;
+
+end.
+

components/tvplanit/source/vpnavbarpainter.pas

@@ -329,9 +329,10 @@ begin
         labelWidth := WidthOf(R);
         R.Right := R.Left + labelWidth + 1;
         item.LabelRect := R;
-        DrawText(Canvas.Handle, Buf, Length(item.DisplayName), R, DT_LEFT or DT_VCENTER);
+        X := DrawText(Canvas.Handle, Buf, Length(item.DisplayName), R, DT_LEFT or DT_VCENTER);
+        if X < H then X := H;
 
-        Inc(CurPos, FItemSpacing);
+        Inc(CurPos, FItemSpacing + X);
       end;  { Small icons }
     end;  { for J }
   end;  { if folder.FolderType = ftDefault }