//===========================================================================
//
// HomeWork from Belgium Not licensed software
// 1999 - 2000 No rights reserved
//
//===========================================================================
//
// Project/Product : Iconizer DLL
// FileName : caption.cpp
// Author(s) : Bart Gysens
//
// Description : Implementation of caption related functionality
//
// Classes : CCaptionRect
//
// Information :
// Compiler(s) : Visual C++ 6.0 SP4
// Target(s) : Windows NT and Windows 2000
// Editor : Visual C++ 6.0 internal editor
//
// History
// Vers. Date Aut. Type Description
// ----- -------- ---- ------- -----------------------------------------
// 1.00 07 12 99 BG Create Original
//
//===========================================================================
#include "stdafx.h"
#include "hooklist.h"
#include "trayicon.h"
#include "caption.h"
#include "Iconizer dll.h"
//===========================================================================
// Externals
//===========================================================================
extern CTrayIcon g_TrayIcon;
extern LRESULT DoCallWindowProc( WNDPROC lpPrevWndFunc, HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam );
//===========================================================================
// Macros and typedefs
//===========================================================================
//===========================================================================
//
// Class : CCaptionRect
// Author(s) : Bart Gysens
//
// Description : Implementation of the CCaptionRect class
//
// Comments : none
//
// History : 1.00 : Create
//
//===========================================================================
CCaption::CCaption()
{
// Create pen
m_hPen = CreatePen( PS_SOLID, 2, RGB( 0, 0, 0 ) );
// Initialise parameters
m_d1 = 2 + ( GetSystemMetrics( SM_CXSIZE ) - 5 ) * 7 / 16;
m_d2 = 2 + ( GetSystemMetrics( SM_CYSIZE ) - 5 ) * 9 / 16;
}
CCaption::~CCaption()
{
DeleteObject( m_hPen );
}
void CCaption::CalcCaptionRect( HWND hWnd, RECT& Rect )
{
DWORD dStyle ;
SIZE sFrame ;
int Icon ;
// Get frame size of window
dStyle = GetWindowLong( hWnd, GWL_STYLE );
sFrame.cx = GetSystemMetrics( ( dStyle & WS_THICKFRAME ) ? SM_CXSIZEFRAME : SM_CXFIXEDFRAME );
sFrame.cy = GetSystemMetrics( ( dStyle & WS_THICKFRAME ) ? SM_CYSIZEFRAME : SM_CYFIXEDFRAME );
// Get width of icon/button in caption
Icon = GetSystemMetrics( SM_CXSIZE );
// Calculate rectangle dimensions
GetWindowRect( hWnd, &Rect );
Rect.bottom -= Rect.top;
Rect.right -= Rect.left;
Rect.top = 0;
Rect.left = 0;
Rect.left += sFrame.cx;
Rect.right -= sFrame.cx;
Rect.top += sFrame.cy;
Rect.bottom = Rect.top + GetSystemMetrics( SM_CYCAPTION )
- GetSystemMetrics( SM_CYBORDER );
}
void CCaption::DrawIconize( HDC hDc, int x, int y, int off )
{
HPEN OldPen ;
RECT R ;
/* Select new pen */
OldPen = (HPEN) SelectObject( hDc, m_hPen );
/* Calculate dimensions */
R.top = y + m_d1 + 2;
R.left = x + m_d1 + off;
R.bottom = y + m_d2 + 2;
R.right = x + m_d2 + off;
Rectangle( hDc, R.left, R.top, R.right, R.bottom );
/* Restore old pen */
SelectObject( hDc, OldPen );
}
void CCaption::DrawButtons( HWND hWnd )
{
HDC hDc ;
RECT rCap ;
DWORD dStyle ;
DWORD dExStyle ;
int cxBtn ;
int cyBtn ;
RECT rPos ;
// Get window device context
if ( ( hDc = GetWindowDC( hWnd ) ) != NULL )
{
// Get caption coordinates
CCaption::CalcCaptionRect( hWnd, rCap );
// Get window style
dStyle = GetWindowLong( hWnd, GWL_STYLE );
dExStyle = GetWindowLong( hWnd, GWL_EXSTYLE );
// Check if we have a caption
if ( ( dStyle & WS_CAPTION ) == WS_CAPTION )
{
// Calc position and draw minimize and iconize button
if ( ( dStyle & WS_MINIMIZEBOX ) == WS_MINIMIZEBOX )
{
// Get button dimensions
cxBtn = GetSystemMetrics( SM_CXSIZE );
cyBtn = GetSystemMetrics( SM_CYSIZE );
// Calc position and draw iconize button
rPos.top = rCap.top + 2;
rPos.bottom = rCap.bottom - 2;
rPos.right = rCap.right - ( 3 * ( cxBtn - 2 ) ) - 4;
rPos.left = rCap.right - ( 4 * ( cxBtn - 2 ) ) - 4;
DrawFrameControl( hDc, &rPos, DFC_BUTTON, DFCS_BUTTONPUSH );
// Draw a btnface
DrawIconize( hDc, rPos.left, rPos.top, 0 );
}
}
// Release device context
ReleaseDC( hWnd, hDc );
}
}
LRESULT CCaption::OnDefault( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, CHookItem * pItem )
{
// Call default window procedure and redraw caption buttons
LRESULT result = DoCallWindowProc( pItem->m_DefWndProc, hWnd, Msg, wParam, lParam );
CCaption::DrawButtons( hWnd );
return result;
}
LRESULT CCaption::OnNcActivate( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, CHookItem * pItem )
{
// Call default window procedure and send WM_NCPAINT message
LRESULT result = DoCallWindowProc( pItem->m_DefWndProc, hWnd, Msg, wParam, lParam );
SendMessage( hWnd, WM_NCPAINT, 0, 0 );
return result;
}
LRESULT CCaption::OnNcLButtonDown( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, CHookItem * pItem )
{
HDC hDc ;
POINT Pnt ;
RECT rPos ;
RECT rWin ;
LRESULT result = 0 ;
// Redraw caption buttons
if ( ( hDc = GetWindowDC( hWnd ) ) != NULL )
{
// Convert mouse postion relative to caption rectangle
GetWindowRect( hWnd, &rWin );
Pnt.x = MAKEPOINTS( lParam ).x - rWin.left;
Pnt.y = MAKEPOINTS( lParam ).y - rWin.top;
// Calculate rectangle position of iconize button
CCaption::CalcCaptionRect( hWnd, rPos );
rPos.top += 2;
rPos.bottom -= 2;
rPos.right -= ( ( GetSystemMetrics( SM_CXSIZE ) * 3 ) - 2 );
rPos.left = rPos.right - ( GetSystemMetrics( SM_CXSIZE ) - 2 );
// Check if mouse position is in rectangle
if ( PtInRect( &rPos, Pnt ) )
{
pItem->m_LBtnDown = TRUE;
DrawFrameControl( hDc, &rPos, DFC_BUTTON, DFCS_BUTTONPUSH | DFCS_PUSHED );
DrawIconize( hDc, rPos.left, rPos.top, 1 );
}
else
result = DoCallWindowProc( pItem->m_DefWndProc, hWnd, Msg, wParam, lParam );
DeleteObject( hDc );
}
return result;
}
LRESULT CCaption::OnNcLButtonUp( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, CHookItem * pItem )
{
HDC hDc ;
POINT Pnt ;
RECT rPos ;
RECT rWin ;
LRESULT result = 0 ;
// Redraw caption buttons
if ( ( hDc = GetWindowDC( hWnd ) ) != NULL )
{
// Convert mouse postion relative to caption rectangle
GetWindowRect( hWnd, &rWin );
Pnt.x = MAKEPOINTS( lParam ).x - rWin.left;
Pnt.y = MAKEPOINTS( lParam ).y - rWin.top;
// Calculate rectangle position of iconize button
CCaption::CalcCaptionRect( hWnd, rPos );
rPos.top += 2;
rPos.bottom -= 2;
rPos.right -= ( ( GetSystemMetrics( SM_CXSIZE ) * 3 ) - 2 );
rPos.left = rPos.right - ( GetSystemMetrics( SM_CXSIZE ) - 2 );
// Check if mouse position is in rectangle
if ( pItem->m_LBtnDown && PtInRect( &rPos, Pnt ) )
{
pItem->m_bIconized = TRUE;
SendMessage( hWnd, WM_SYSCOMMAND, SC_MINIMIZE, 0 );
g_TrayIcon.AddTrayIcon( hWnd );
ShowWindow( hWnd, SW_HIDE );
}
else
result = DoCallWindowProc( pItem->m_DefWndProc, hWnd, Msg, wParam, lParam );
DrawFrameControl( hDc, &rPos, DFC_BUTTON, DFCS_BUTTONPUSH );
DrawIconize( hDc, rPos.left, rPos.top, 0 );
pItem->m_LBtnDown = FALSE;
ReleaseDC(hWnd, hDc);
}
return result;
}
LRESULT CCaption::OnNcMouseMove( HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam, CHookItem * pItem )
{
HDC hDc ;
POINT Pnt ;
RECT rPos ;
RECT rWin ;
LRESULT result ;
// Redraw caption buttons
if ( ( hDc = GetWindowDC( hWnd ) ) != NULL )
{
// Convert mouse postion relative to caption rectangle
GetWindowRect( hWnd, &rWin );
Pnt.x = MAKEPOINTS( lParam ).x - rWin.left;
Pnt.y = MAKEPOINTS( lParam ).y - rWin.top;
// Calculate rectangle position of iconize button
CCaption::CalcCaptionRect( hWnd, rPos );
rPos.top += 2;
rPos.bottom -= 2;
rPos.right -= ( ( GetSystemMetrics( SM_CXSIZE ) * 3 ) - 2 );
rPos.left = rPos.right - ( GetSystemMetrics( SM_CXSIZE ) - 2 );
// Check if mouse position is in rectangle
if ( PtInRect( &rPos, Pnt ) )
{
DrawFrameControl( hDc, &rPos, DFC_BUTTON, ( pItem ->m_LBtnDown ) ? DFCS_BUTTONPUSH | DFCS_PUSHED : DFCS_BUTTONPUSH );
DrawIconize( hDc, rPos.left, rPos.top, ( pItem ->m_LBtnDown ) ? 1 : 0 );
}
else
{
result = DoCallWindowProc( pItem->m_DefWndProc, hWnd, Msg, wParam, lParam );
if ( pItem->m_LBtnDown )
{
DrawFrameControl( hDc, &rPos, DFC_BUTTON, DFCS_BUTTONPUSH );
DrawIconize( hDc, rPos.left, rPos.top, 0 );
}
}
DeleteObject( hDc );
}
return result;
}
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