Solved

Responding to a new componet's OnMouseUP

Posted on 2008-10-30
1
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Last Modified: 2013-12-14
Hey Guys
I am attempting to create a TPanel that responds to a mouse up event to change it's background, Text color and track it's current state. Below is the current state of the component. The component is responding to WM_LBUTTONUP but the component continues to capture the same message even when it not clicking it.  Any input would gladly recieved

//----------------------------------------------------------------------

#ifndef CPnlSWH

#define CPnlSWH

//----------------------------------------------------------------------

#include <SysUtils.hpp>

#include <Classes.hpp>

#include <Controls.hpp>

#include <ExtCtrls.hpp>

#include <sysmac.h>

//----------------------------------------------------------------------

class PACKAGE TPnlSW : public TCustomPanel

{

   private:

      TColor FClrBckOn;

      TColor FClrBckOff;

      TColor FClrTxtOn;

      TColor FClrTxtOff;

      TCaption FSWCaption;

      bool FbOn;

      void __fastcall SetClrBckOn(TColor value);

      TColor __fastcall GetClrBckOn();

      void __fastcall SetClrBckOff(TColor value);

      TColor __fastcall GetClrBckOff();

      void __fastcall SetClrTxtOn(TColor value);

      TColor __fastcall GetClrTxtOn();

      void __fastcall SetClrTxtOff(TColor value);

      TColor __fastcall GetClrTxtOff();

      void __fastcall SetbOn(bool value);

      bool __fastcall GetbOn();

      void __fastcall SetText(TCaption value);

      TCaption __fastcall GetText();

      __property Caption;

      __property Color  = {default = clBlack};

	   __property Font;

   protected:

      void SWReset();

      void _fastcall WMMouse(Messages::TWMMouse & atMouse);

      BEGIN_MESSAGE_MAP

         MESSAGE_HANDLER(WM_LBUTTONUP, TWMMouse, WMMouse)

      END_MESSAGE_MAP(TCustomPanel)

   public:

      __fastcall TPnlSW(TComponent* Owner);

   __published:

	   __property BevelInner  = {default = bvLowered};

	   __property BevelOuter  = {default = bvLowered};

	   __property Enabled  = {default = 1};

   	__property FullRepaint  = {default = 1};

   	__property Locked  = {default = 0};

	   __property ParentShowHint  = {default = 1};

   	__property PopupMenu;

	   __property ShowHint;

   	__property TabOrder  = {default = -1};

	   __property TabStop  = {default = 0};

   	__property Visible  = {default = 1};

      __property TColor ClrBckOn  = { read = GetClrBckOn, write = SetClrBckOn, default = clLime };

      __property TColor ClrBckOff  = { read = GetClrBckOff, write = SetClrBckOff, default = clBlack };

      __property TColor ClrTxtOn  = { read=GetClrTxtOn, write = SetClrTxtOn, default = clBlack };

      __property TColor ClrTxtOff  = { read = GetClrTxtOff, write = SetClrTxtOff, default = clLime };

      __property bool bOn  = { read = GetbOn, write = SetbOn, default = false };

      __property TCaption SWCaption = {read = GetText, write = SetText};

};

//----------------------------------------------------------------------

#endif

 

//----------------------------------------------------------------------

#include <vcl.h>

#pragma hdrstop

#include "CPnlSW.h"

#pragma package(smart_init)

//----------------------------------------------------------------------

// ValidCtrCheck is used to assure that the components created do not have

// any pure virtual functions.

//

 

static inline void ValidCtrCheck(TPnlSW *)

{

   new TPnlSW(NULL);

}

 

//---------------------------------------------------------------------------

//Note the constructor is call twice... during design time and runtime

__fastcall TPnlSW::TPnlSW(TComponent* Owner)

                  :TCustomPanel(Owner)

{

   FClrBckOn = clLime; ClrBckOn = clLime;

   FClrBckOff = clBlack; ClrBckOff = clBlack;

   FClrTxtOn = clBlack; ClrTxtOn = clBlack;

   FClrTxtOff = clLime; FClrTxtOff = clLime;

   FbOn = false; bOn = false;

   BevelInner = bvLowered;

   BevelOuter = bvLowered;

   Height = 17;

   Width = 17;

   FSWCaption = "00";

   Caption = "00";

   SWReset();

}

//---------------------------------------------------------------------------

namespace Cpnlsw

{

   void __fastcall PACKAGE Register()

   {

       TComponentClass classes[1] = {__classid(TPnlSW)};

       RegisterComponents("Testing", classes, 0);

   }

}

//---------------------------------------------------------------------------

 

 

 

void __fastcall TPnlSW::SetClrBckOn(TColor value)

{

   if(FClrBckOn != value)

   {

      FClrBckOn = value;

      // if the switch is currently on and its backgroud color changes then update

      // the the UI showing its state

      if(FbOn)

      {

         Color = FClrBckOn;

         Invalidate();

      }

   }

}

TColor __fastcall TPnlSW::GetClrBckOn()

{

   return FClrBckOn;

}

 

void __fastcall TPnlSW::SetClrBckOff(TColor value)

{

   if(FClrBckOff != value)

   {

      FClrBckOff = value;

      //if the switch is currently off and its background color has changed then update

      // the the UI showing its state

      if(!FbOn)

      {

         Color = FClrBckOff;

         Invalidate();

      }

   }

}

 

TColor __fastcall TPnlSW::GetClrBckOff()

{

   return FClrBckOff;

}

 

void __fastcall TPnlSW::SetClrTxtOn(TColor value)

{

   if(FClrTxtOn != value)

   {

      FClrTxtOn = value;

      // if the switch is "On" and its' foreground or text color has changed then update

      // the the UI showing its state

      if(FbOn)

      {

         Font->Color = FClrTxtOn;

         Invalidate();

      }

   }

}

 

TColor __fastcall TPnlSW::GetClrTxtOn()

{

   return FClrTxtOn;

}

 

void __fastcall TPnlSW::SetClrTxtOff(TColor value)

{

   if(FClrTxtOff != value)

   {

      FClrTxtOff = value;

      // if the switch is "Off" and its' foreground or text color has changed then update

      // the the UI showing its state

      if(!FbOn)

      {

         Font->Color = FClrTxtOff;

         Invalidate();

      }

   }

}

 

TColor __fastcall TPnlSW::GetClrTxtOff()

{

   return FClrTxtOff;

}

 

void __fastcall TPnlSW::SetbOn(bool value)

{

   if(FbOn != value)

   {

      FbOn = value;

      if(FbOn)

      {

         Font->Color = FClrTxtOn;

         Color = FClrBckOn;

      }

      else

      {

         Font->Color = FClrTxtOff;

         Color = FClrBckOff;

      }

   }

}

 

bool __fastcall TPnlSW::GetbOn()

{

   return FbOn;

}

 

void TPnlSW::SWReset()

{

   FbOn = false;

   if(FbOn)

   {

      Font->Color = FClrTxtOn;

      Color = FClrBckOn;

   }

   else

   {

      Font->Color = FClrTxtOff;

      Color = FClrBckOff;

   }

 

}

 

void __fastcall TPnlSW::SetText(TCaption value)

{

   if(value.Length() != 0 && value != Caption)

   {

      Caption = value;

      Invalidate();

   }

}

 

TCaption __fastcall TPnlSW::GetText()

{

   TCaption c = "";

   if(FSWCaption.Length() != 0)

   {

      c = Caption;

   }

   return c;

}

 

void _fastcall TPnlSW::WMMouse(Messages::TWMMouse & taMouse)

{

   //currently this is not closing the loop. Once the control has been clicked any further clicks

   //outside the client area (ie the parent control) act as if the click was inside the control.

   if(taMouse.Msg == WM_LBUTTONUP)

   {

      if(bOn)

      {

         this->SetbOn(false);

      }

      else

      {

         this->SetbOn(true);

      }

   }

}

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Comment
Question by:graber
1 Comment
 
LVL 2

Accepted Solution

by:
graber earned 0 total points
ID: 22870261
WMMouse Message is not completed it's clean up
void _fastcall TPnlSW::WMMouse(Messages::TWMMouse & msgMouse)

{

   //currently this is not closing the loop. Once the control has been clicked any further clicks

   //outside the client area (ie the parent control) act as if the click was inside the control.

   if(msgMouse.Msg == WM_LBUTTONUP)

   {

      if(bOn)

      {

         this->SetbOn(false);

      }

      else

      {

         this->SetbOn(true);

      }

   }

   if(this->ControlStyle.Contains(csCaptureMouse))

   {

      this->MouseCapture = false;

   }

   if(this->ControlState.Contains(csClicked))

   {

      this->ControlState >> csClicked;

      if(PtInRect(this->ClientRect, TPoint(msgMouse.XPos, msgMouse.YPos)))

         this->Click();

   }

}

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