hyperlinkdemo.cpp

《深入剖析visual c++编程技术vcCode（人民邮电）》的源代码

// HyperlinkDemo.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "Hyperlink.h"
#include "resource.h"

LRESULT CALLBACK WndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam );
void CreateHyperlinkControls( HWND hWnd );
void OnHyperlink1( void* pVoid );
void OnHyperlink2( void* pVoid );
void OnHyperlink3( void* pVoid );
void OnPaint( HWND hWnd );

CHyperlink m_Hyperlink1;	// Declaration of CHyperlink objects
CHyperlink m_Hyperlink2;
CHyperlink m_Hyperlink3;

HBITMAP hBitmapBackground;
HDC		hMemoryDC;

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 	HBRUSH hBrushBknd;				// Handle to brush for background of window
	char   szClassName[] = "HyperlinkDemo";
	HWND   hWnd;
	WNDCLASSEX wndClass = {0};
	MSG    Msg;
	HDC	   winDC;

	hBrushBknd = (HBRUSH)GetStockObject( NULL_BRUSH );	// Create background brush

	// Fill out window structure
	wndClass.cbSize        = sizeof( WNDCLASSEX );
	wndClass.hbrBackground = hBrushBknd;
	wndClass.hIcon         = LoadIcon( NULL, IDI_WINLOGO );
	wndClass.hIconSm       = LoadIcon( NULL, IDI_WINLOGO );
	wndClass.hCursor       = LoadCursor( NULL, IDC_ARROW );
	wndClass.hInstance     = hInstance;
	wndClass.lpfnWndProc   = WndProc;
	wndClass.lpszClassName = szClassName;
	wndClass.cbClsExtra    = sizeof( long );
	wndClass.cbWndExtra    = NULL;
	wndClass.lpszMenuName  = NULL;
	wndClass.style         = NULL;

	if( !RegisterClassEx( &wndClass ) )		// Register the window class
	{
		MessageBox( 0, "Failed to register class!", "Fatal error", MB_OK | MB_ICONSTOP );
		return 0;
	}

	hWnd = CreateWindow( szClassName, " CHyperlink Demo App",WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 282, 420, NULL, NULL, GetModuleHandle( NULL ), NULL );

	if( hWnd == NULL )
	{
		MessageBox( 0, "Failed to create window!", "Fatal error", MB_OK | MB_ICONSTOP );
		return 0;
	}

	SetWindowLong( hWnd, GWL_STYLE, GetWindowLong( hWnd, GWL_STYLE ) & ~WS_MAXIMIZEBOX );
	ShowWindow( hWnd, SW_SHOW );

	hBitmapBackground = (HBITMAP)LoadBitmap( hInstance, (LPCSTR)IDB_PARENTBG );

	if( hBitmapBackground == NULL )
	{
		MessageBox( 0, "Failed to load bitmap file.", "Fatal error", MB_OK | MB_ICONSTOP );
		return 0;
	}

	winDC = GetDC( hWnd );
	hMemoryDC = CreateCompatibleDC( winDC );
	ReleaseDC( hWnd, winDC );

	if( hMemoryDC == NULL )
	{
		MessageBox( 0, "Failed to create memory device context.", "Fatal error", MB_OK | MB_ICONSTOP );
		return 0;
	}

	SelectObject( hMemoryDC, hBitmapBackground );

	// Enter message loop
	while( GetMessage( &Msg, NULL, 0, 0 ) )
	{
		TranslateMessage( &Msg );
		DispatchMessage ( &Msg );
	}

	DeleteObject( hBrushBknd );
	DeleteObject( hBitmapBackground );
	DeleteDC( hMemoryDC );

	return 0;
}

LRESULT CALLBACK WndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
	switch( msg )
	{
	case WM_CREATE:
		CreateHyperlinkControls( hWnd );
		return true;
	case WM_CLOSE:
		m_Hyperlink1.Destroy();
		m_Hyperlink2.Destroy();
		m_Hyperlink3.Destroy();

		DestroyWindow( hWnd );
		break;
	case WM_DESTROY:
		PostQuitMessage( 0 );
		break;
	case WM_PAINT:
		OnPaint( hWnd ); 
		return true;
	case WM_GETMINMAXINFO:
		PMINMAXINFO mmi = (PMINMAXINFO)lParam;
		POINT pt;
		pt.x = 282;
		pt.y = 420;
		mmi->ptMinTrackSize = pt;
		mmi->ptMaxTrackSize = pt;
		return 0;
	}

	return DefWindowProc( hWnd, msg, wParam, lParam);
}

void CreateHyperlinkControls( HWND hWnd )
{
	HYPERLINKSTRUCT hls = {0};
	
	hls.bBold     = false;				// Bold font?
	hls.bUnderline = true;				// Underlined font?
	hls.bUseBg    = false;				// Use opaque background?
	hls.bUseCursor = true;				// Use custom cursor?
	hls.hCursor    = LoadCursor( GetModuleHandle( NULL ), (LPCSTR)IDC_HAND );
	hls.clrBack   = RGB(0,0,0);			// Fill this out if bUseBg is true
	hls.clrHilite = RGB( 255, 0, 0 );	// Color of mouseover font
	hls.clrText   = RGB( 0, 0, 255 );	// Color of regular font
	hls.coordX    = 10;					// X-axis coordinate of upper left corner
	hls.coordY    = 10;					// Y-axis coordinate of upper left corner
	hls.ctlID     = 0;					// Set this to use GetDlgItem on this control
	hls.fontsize  = 12;					// Size of font used
	hls.height    = 20;					// Height of control
	hls.hWndParent = hWnd;              // Handle to parent window
	hls.pFn       = OnHyperlink1;		// Function pointer to function that is called when link is clicked
	hls.szCaption = "Hyperlink #1"; // Caption
	hls.szFontName = "Arial";			// Font face name
	hls.width      = 100;				// Width of control

	if( !m_Hyperlink1.Create( &hls ) )
		MessageBox( 0, "Failed to create hyperlink 1.", "Fatal error!", MB_OK | MB_ICONSTOP );

	hls.bBold = 1;
	hls.coordX = 10;
	hls.coordY = 35;
	hls.pFn    = OnHyperlink2;
	hls.szFontName = "Lucida Console";
	hls.szCaption  = "Hyperlink #2";
	hls.clrHilite = RGB(255,255,255);

	if( !m_Hyperlink2.Create( &hls ) )
		MessageBox( 0, "Failed to create hyperlink 2.", "Fatal error!", MB_OK | MB_ICONSTOP );

	hls.bUseBg = true;
	hls.bUnderline = false;
	hls.clrBack = GetSysColor( COLOR_3DFACE );
	hls.pFn     = OnHyperlink3;
	hls.szCaption = "Hyperlink #3";
	hls.coordY   = 60;
	hls.clrHilite = RGB(255,0,0);
	hls.height = 15;
	hls.szFontName = "MS Sans Serif";

	if( !m_Hyperlink3.Create( &hls ) )
		MessageBox( 0, "Failed to create hyperlink 3.", "Fatal error!", MB_OK | MB_ICONSTOP );
}

void OnPaint( HWND hWnd )
{
	PAINTSTRUCT ps = {0};
	HDC			dc;
	RECT	    myRect = {0};

	dc = BeginPaint( hWnd, &ps );

	GetClientRect( hWnd, &myRect );

	BitBlt( dc, 0, 0, (myRect.right - myRect.left), (myRect.bottom - myRect.top), hMemoryDC, 0, 0, SRCCOPY );

	EndPaint( hWnd, &ps );

}

void OnHyperlink1( void* pVoid )
{
	MessageBox( 0, "Click event from hyperlink #1.", "Click", MB_OK );
}

void OnHyperlink2( void* pVoid )
{
	MessageBox( 0, "Click event from hyperlink #2.", "Click", MB_OK );
}

void OnHyperlink3( void* pVoid )
{
	MessageBox( 0, "Click event from hyperlink #3.", "Click", MB_OK );
}