richmemo: adding zoom sample

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@3828 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/richmemo/samples/zoom/mainform.lfm

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+object Form1: TForm1
+  Left = 457
+  Height = 338
+  Top = 213
+  Width = 615
+  Caption = 'Paragraph Demo'
+  ClientHeight = 338
+  ClientWidth = 615
+  OnCreate = FormCreate
+  LCLVersion = '1.2.4.0'
+  object Button1: TButton
+    Left = 532
+    Height = 25
+    Top = 16
+    Width = 75
+    Anchors = [akTop, akRight]
+    Caption = 'Load RTF'
+    OnClick = Button1Click
+    TabOrder = 1
+  end
+  object RichMemo1: TRichMemo
+    Left = 8
+    Height = 272
+    Top = 56
+    Width = 599
+    Anchors = [akTop, akLeft, akRight, akBottom]
+    HideSelection = False
+    Lines.Strings = (
+      'Adjust selection in the combobox above'
+    )
+    OnClick = RichMemo1Click
+    OnKeyDown = RichMemo1KeyDown
+    ScrollBars = ssAutoBoth
+    TabOrder = 0
+  end
+  object ComboBox1: TComboBox
+    Left = 8
+    Height = 23
+    Top = 18
+    Width = 100
+    ItemHeight = 15
+    ItemIndex = 3
+    Items.Strings = (
+      '25%'
+      '50%'
+      '75%'
+      '100%'
+      '125%'
+      '150%'
+      '200%'
+      '300%'
+      '500%'
+    )
+    OnChange = ComboBox1Change
+    Style = csDropDownList
+    TabOrder = 2
+    Text = '100%'
+  end
+  object OpenDialog1: TOpenDialog
+    left = 488
+    top = 16
+  end
+end

components/richmemo/samples/zoom/mainform.pas

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+unit mainform;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
+  Buttons, ComCtrls, Spin, RichMemo, RichMemoUtils;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    Button1: TButton;
+    ComboBox1: TComboBox;
+    OpenDialog1: TOpenDialog;
+    RichMemo1: TRichMemo;
+    procedure Button1Click(Sender: TObject);
+    procedure ComboBox1Change(Sender: TObject);
+    procedure FormCreate(Sender: TObject);
+    procedure RichMemo1Click(Sender: TObject);
+    procedure RichMemo1KeyDown(Sender: TObject; var Key: Word;
+      Shift: TShiftState);
+  private
+    { private declarations }
+  public
+    { public declarations }
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+{ TForm1 }
+
+procedure TForm1.Button1Click(Sender: TObject);
+begin
+  if OpenDialog1.Execute then begin
+    LoadRTFFile( RichMemo1, OpenDialog1.FileName );
+  end;
+end;
+
+procedure TForm1.ComboBox1Change(Sender: TObject);
+var
+  t : string;
+  prc : Integer;
+begin
+  t:=StringReplace(ComboBox1.Text, '%', '', [rfReplaceAll]);
+  prc := StrToIntDef( t , 100);
+  RichMemo1.ZoomFactor:=prc/100;
+end;
+
+procedure TForm1.FormCreate(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.RichMemo1Click(Sender: TObject);
+begin
+
+end;
+
+procedure TForm1.RichMemo1KeyDown(Sender: TObject; var Key: Word;
+  Shift: TShiftState);
+begin
+
+end;
+
+end.
+

components/richmemo/samples/zoom/testzoom.lpi

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+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="testzoom"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+        <LaunchingApplication PathPlusParams="\usr\bin\xterm -T 'Lazarus Run Output' -e $(LazarusDir)\tools\runwait.sh $(TargetCmdLine)"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="2">
+      <Item1>
+        <PackageName Value="richmemopackage"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="LCL"/>
+      </Item2>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="testzoom.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="mainform.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="mainform"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="testzoom"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Other>
+      <CompilerPath Value="$(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>

components/richmemo/samples/zoom/testzoom.lpr

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+program testzoom;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, mainform, richmemopackage;
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource := True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+