From b8361291866dd913fb5a6169ff2a570018a4ba22 Mon Sep 17 00:00:00 2001
From: vincents <vincents@lazarus-ide.org>
Date: Fri, 4 Jul 2008 08:54:57 +0000
Subject: [PATCH] fpgui widget set: allow components to be visible at runtime
 from Graeme (issue #11606)

git-svn-id: trunk@15669 -
---
 lcl/interfaces/fpgui/fpguiwsprivate.pp  |  1 -
 lcl/interfaces/fpgui/fpguiwsstdctrls.pp | 55 +++++++++++++++++++++++--
 2 files changed, 52 insertions(+), 4 deletions(-)

diff --git a/lcl/interfaces/fpgui/fpguiwsprivate.pp b/lcl/interfaces/fpgui/fpguiwsprivate.pp
index c564c18c55..d74c7ac64e 100644
--- a/lcl/interfaces/fpgui/fpguiwsprivate.pp
+++ b/lcl/interfaces/fpgui/fpguiwsprivate.pp
@@ -590,7 +590,6 @@ begin
 {$IFDEF VerboseFPGUIPrivate}
   WriteLn('[TFPGUIPrivateButton.CreateWidget]');
 {$ENDIF}
-
   Widget := TfpgButton.Create(GetParentContainerWidget());
   Widget.SetPosition(LCLObject.Left, LCLObject.Top, LCLObject.Width, LCLObject.Height);
 end;
diff --git a/lcl/interfaces/fpgui/fpguiwsstdctrls.pp b/lcl/interfaces/fpgui/fpguiwsstdctrls.pp
index 2ac1587762..36cc6844b4 100644
--- a/lcl/interfaces/fpgui/fpguiwsstdctrls.pp
+++ b/lcl/interfaces/fpgui/fpguiwsstdctrls.pp
@@ -86,6 +86,7 @@ type
 
     class function GetItems(const ACustomComboBox: TCustomComboBox): TStrings; override;
 //    class procedure Sort(const ACustomComboBox: TCustomComboBox; AList: TStrings; IsSorted: boolean); override;
+    class procedure ShowHide(const AWinControl: TWinControl); override;
   end;
 
   { TFpGuiWSComboBox }
@@ -135,6 +136,7 @@ type
     class procedure GetPreferredSize(const AWinControl: TWinControl;
                         var PreferredWidth, PreferredHeight: integer); override;}
 //    class procedure SetColor(const AWinControl: TWinControl); override;
+    class procedure ShowHide(const AWinControl: TWinControl); override;
   end;
 
   { TFpGuiWSCustomMemo }
@@ -153,6 +155,7 @@ type
     class procedure SetWantReturns(const ACustomMemo: TCustomMemo; const NewWantReturns: boolean); override;
     class procedure SetWantTabs(const ACustomMemo: TCustomMemo; const NewWantTabs: boolean); override;
     class procedure SetWordWrap(const ACustomMemo: TCustomMemo; const NewWordWrap: boolean); override;}
+    class procedure ShowHide(const AWinControl: TWinControl); override;
   end;
 
   { TFpGuiWSEdit }
@@ -187,9 +190,10 @@ type
   public
     class function  CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
     class procedure DestroyHandle(const AWinControl: TWinControl); override;
-
+    class procedure Invalidate(const AWinControl: TWinControl); override;
     class function  GetText(const AWinControl: TWinControl; var AText: String): Boolean; override;
     class procedure SetText(const AWinControl: TWinControl; const AText: String); override;
+    class procedure ShowHide(const AWinControl: TWinControl); override;
   end;
 
   { TFpGuiWSCustomCheckBox }
@@ -206,10 +210,9 @@ type
     class procedure SetShortCut(const ACustomCheckBox: TCustomCheckBox;
       const OldShortCut, NewShortCut: TShortCut); override;
     class procedure SetState(const ACustomCheckBox: TCustomCheckBox; const NewState: TCheckBoxState); override;
-
     class function  GetText(const AWinControl: TWinControl; var AText: String): Boolean; override;
-
     class procedure SetText(const AWinControl: TWinControl; const AText: String); override;
+    class procedure ShowHide(const AWinControl: TWinControl); override;
   end;
 
   { TFpGuiWSCheckBox }
@@ -245,6 +248,7 @@ type
 
     class function  GetText(const AWinControl: TWinControl; var AText: String): Boolean; override;
     class procedure SetText(const AWinControl: TWinControl; const AText: String); override;
+    class procedure ShowHide(const AWinControl: TWinControl); override;
   end;
 
   { TFpGuiWSCustomStaticText }
@@ -346,6 +350,13 @@ begin
   Result := FComboBox.Items;
 end;
 
+class procedure TFpGuiWSCustomComboBox.ShowHide(const AWinControl: TWinControl
+  );
+begin
+  inherited ShowHide(AWinControl);
+  TFPGUIPrivateComboBox(AWinControl.Handle).Widget.Visible := AWinControl.Visible;
+end;
+
 { TFpGuiWSCustomEdit }
 
 {------------------------------------------------------------------------------
@@ -359,6 +370,12 @@ begin
   Result := TLCLIntfHandle(TFPGUIPrivateEdit.Create(AWinControl, AParams));
 end;
 
+class procedure TFpGuiWSCustomEdit.ShowHide(const AWinControl: TWinControl);
+begin
+  inherited ShowHide(AWinControl);
+  TFPGUIPrivateEdit(AWinControl.Handle).Widget.Visible := AWinControl.Visible;
+end;
+
 { TFpGuiWSButton }
 
 {------------------------------------------------------------------------------
@@ -384,6 +401,12 @@ begin
   TFPGUIPrivateButton(AWinControl.Handle).SetText(AText);
 end;
 
+class procedure TFpGuiWSButton.ShowHide(const AWinControl: TWinControl);
+begin
+  inherited ShowHide(AWinControl);
+  TFPGUIPrivateButton(AWinControl.Handle).Widget.Visible := AWinControl.Visible;
+end;
+
 {------------------------------------------------------------------------------
   Method: TFpGuiWSButton.CreateHandle
   Params:  None
@@ -404,6 +427,12 @@ begin
   AWinControl.Handle := 0;
 end;
 
+class procedure TFpGuiWSButton.Invalidate(const AWinControl: TWinControl);
+begin
+  inherited Invalidate(AWinControl);
+  TFPGUIPrivateButton(AWinControl.Handle).Widget.Invalidate;
+end;
+
 { TFpGuiWSCustomCheckBox }
 
 class function TFpGuiWSCustomCheckBox.RetrieveState(
@@ -459,6 +488,13 @@ begin
   vCheckBox.Text := AText;
 end;
 
+class procedure TFpGuiWSCustomCheckBox.ShowHide(const AWinControl: TWinControl
+  );
+begin
+  inherited ShowHide(AWinControl);
+  TFPGUIPrivateCheckBox(AWinControl.Handle).Widget.Visible := AWinControl.Visible;
+end;
+
 class function TFpGuiWSCustomCheckBox.CreateHandle(
   const AWinControl: TWinControl; const AParams: TCreateParams
   ): TLCLIntfHandle;
@@ -529,6 +565,12 @@ begin
   vRadioButton.Text := AText;
 end;
 
+class procedure TFpGuiWSRadioButton.ShowHide(const AWinControl: TWinControl);
+begin
+  inherited ShowHide(AWinControl);
+  TFPGUIPrivateRadioButton(AWinControl.Handle).Widget.Visible := AWinControl.Visible;
+end;
+
 class function TFpGuiWSRadioButton.CreateHandle(const AWinControl: TWinControl;
   const AParams: TCreateParams): TLCLIntfHandle;
 begin
@@ -555,6 +597,13 @@ begin
   Result:=inherited GetStrings(ACustomMemo);
 end;
 
+class procedure TFpGuiWSCustomMemo.ShowHide(const AWinControl: TWinControl);
+begin
+  inherited ShowHide(AWinControl);
+  TFPGUIPrivateMemo(AWinControl.Handle).Widget.Visible := AWinControl.Visible;
+end;
+
+
 initialization
 
 ////////////////////////////////////////////////////