随笔-60  评论-111  文章-0  trackbacks-0
效果:

只实现了对BUTTON的换肤 不过其他的控件基本原理是一样的吧~!
代码有点乱 并且有些部分的设计还不是很合理

帖出来就是希望各位大侠们批评指教

Skin.h
#pragma once
#include 
<map>

void InstallSkin(HINSTANCE hInst);

#if defined(_PRIVATE_DECLARE_)
class CSkinButton
{
private:
    
static std::multimap<HWND,CSkinButton*> s_HWND2Class;
    
static LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
    CSkinButton();
    
~CSkinButton();
    
void Draw();

    WNDPROC m_OldProc;
    DWORD m_Style;
    DWORD m_Check;
    
bool m_isHighLight;
    
bool m_isDefault;
    
bool m_isPressed;
    
bool m_isFocus;
    
bool m_isPushButton;
    HWND m_hWnd;
public:
    
static void Install(HWND hWnd);
}
;
#endif
Skin.cpp
#define _PRIVATE_DECLARE_
#include 
"skin.h"

#include 
<WindowsX.h>

#include 
"Resource.h"

HHOOK g_hSKinHook 
= 0;
HINSTANCE g_hInst 
= 0;

std::multimap
<HWND,CSkinButton*> CSkinButton::s_HWND2Class;

CSkinButton::CSkinButton() 
: m_isHighLight(
false)
, m_isDefault(
false)
, m_isPressed(
false)
, m_isFocus(
false)
, m_isPushButton(
true)
{
}


CSkinButton::
~CSkinButton()
{
    SetWindowLongPtr(m_hWnd,GWLP_WNDPROC,(LONG_PTR)m_OldProc);
    s_HWND2Class.erase(m_hWnd);
}


void CSkinButton::Install(HWND hWnd)
{
    
if(s_HWND2Class.find(hWnd)==s_HWND2Class.end())
    
{
        CSkinButton
*inst=new CSkinButton;
        s_HWND2Class.insert(std::pair
<HWND,CSkinButton*>(hWnd,inst));
        inst
->m_hWnd=hWnd;
        inst
->m_OldProc=(WNDPROC)SetWindowLongPtr(hWnd,GWLP_WNDPROC,(LONG_PTR)WndProc);
    }

}


LRESULT CSkinButton::WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    LONG lReturn;
    std::multimap
<HWND,CSkinButton*>::iterator pair=s_HWND2Class.find(hWnd);
    ASSERT(pair
!=s_HWND2Class.end());
    CSkinButton
*self=pair->second;
    
switch (uMsg)
    
{
    
case BM_SETSTYLE:    // 按钮风格改变
        self->m_isDefault=((wParam&BS_DEFPUSHBUTTON)!=0);
        self
->m_isPushButton=((wParam&BS_PUSHBUTTON)!=0);

        self
->m_Style=wParam;
        self
->Draw();
        
break;

    
case BM_SETSTATE:    // 设置按钮状态
        lReturn = (LONG) CallWindowProc(self->m_OldProc, hWnd, uMsg, wParam, lParam);
        self
->m_isPressed=(wParam!=FALSE);
        self
->Draw();
        
return lReturn;

    
case BM_SETCHECK:    // 设置选中状态
        lReturn = (LONG) CallWindowProc(self->m_OldProc, hWnd, uMsg, wParam, lParam);
        self
->m_Check=wParam;
        self
->Draw();
        
return lReturn;

    
case WM_SETTEXT:    // 设置窗口文本
        lReturn = (LONG) DefWindowProc(hWnd, uMsg, wParam, lParam);
        self
->Draw();
        
return lReturn;

    
case WM_PAINT:        // 窗口重画
        lReturn = (LONG) DefWindowProc(hWnd, uMsg, wParam, lParam);
        self
->Draw();
        
return lReturn;
    
case WM_DESTROY:        // 窗口销毁
        lReturn = (LONG) CallWindowProc(self->m_OldProc, hWnd, uMsg, wParam, lParam);
        delete self;
        
return lReturn;
    
case WM_MOUSEMOVE:        // 窗口移动
        if ( !self->m_isHighLight )
        
{            
            self
->m_isHighLight=true;
            self
->Draw();

            
// 追踪鼠标移出消息一次
            TRACKMOUSEEVENT Tme;
            Tme.cbSize 
= sizeof(TRACKMOUSEEVENT);
            Tme.dwFlags 
= TME_LEAVE;
            Tme.hwndTrack 
= hWnd;
            TrackMouseEvent(
&Tme);
        }

        
break;

    
case WM_MOUSELEAVE:        // 鼠标移出
        if (self->m_isHighLight)
        
{
            self
->m_isHighLight=false;
            self
->Draw();
        }

        
break;

    
case WM_SETFOCUS:        // 获得焦点
        self->m_isFocus=true;
        self
->Draw();
        
break;

    
case WM_KILLFOCUS:        // 丢失焦点
        self->m_isFocus=false;
        self
->Draw();
        
break;
    }

    
// 调用原来的回调函数
    lReturn = (LONG) CallWindowProc(self->m_OldProc, hWnd, uMsg, wParam, lParam);
    
return lReturn;
}


void CSkinButton::Draw()
{
    HDC hDC
=GetWindowDC(m_hWnd);
    RECT rectWnd;
    GetWindowRect(m_hWnd,
&rectWnd);
    rectWnd.right 
-= rectWnd.left;
    rectWnd.bottom 
-= rectWnd.top;
    rectWnd.left 
= rectWnd.top = 0;

    HBITMAP hBmp
=LoadBitmap(g_hInst,MAKEINTRESOURCE(IDB_BUTTON));
    HDC hMemDC
=CreateCompatibleDC(hDC);
    SelectBitmap(hMemDC,hBmp);

    
int idx=0;
    
if(m_isDefault)
        idx
=4;
    
if(m_isHighLight)
        idx
=1;
    
if(m_isPressed)
        idx
=2;
    
if(!IsWindowEnabled(m_hWnd))
        idx
=3;
    
const int roundw=4;
    
const int roundh=4;
    
const int bmpw=18;
    
const int bmph=21;
    idx
*=bmph;
    BitBlt( hDC, 
00, roundw, roundh,
        hMemDC, 
0, idx+0, SRCCOPY);
    BitBlt( hDC, 
0, rectWnd.bottom-roundh, roundw, roundh,
        hMemDC, 
0, idx+bmph-roundh, SRCCOPY);
    BitBlt(hDC, rectWnd.right
-roundw, 0, roundw, roundh,
        hMemDC, bmpw
-roundw, idx+0, SRCCOPY);
    BitBlt(hDC, rectWnd.right
-roundw, rectWnd.bottom-roundh, roundw, roundh,
        hMemDC, bmpw
-roundw, idx+bmph-roundh, SRCCOPY);

    StretchBlt( hDC, 
0, roundh, roundw, rectWnd.bottom-roundh*2,
        hMemDC, 
0, idx+roundh, roundw, bmph-roundh*2, SRCCOPY);
    StretchBlt( hDC, rectWnd.right
-roundw, roundh, roundw, rectWnd.bottom-roundh*2,
        hMemDC, bmpw
-roundw, idx+roundh, roundw, bmph-roundh*2, SRCCOPY);
    StretchBlt( hDC, roundw, 
0, rectWnd.right-roundw*2, roundh,
        hMemDC, roundw, idx
+0, bmpw-roundw*2, roundh, SRCCOPY);
    StretchBlt( hDC, roundw, rectWnd.bottom
-roundh, rectWnd.right-roundw*2, roundh,
        hMemDC, roundw, idx
+bmph-roundh, bmpw-roundw*2, roundh, SRCCOPY);

    StretchBlt( hDC, roundw, roundh, rectWnd.right
-roundw*2, rectWnd.bottom-roundh*2,
        hMemDC, roundw, idx
+roundh, bmpw-roundw*2, bmph-roundh*2, SRCCOPY);

    
//if(m_isFocus)
    
//{
    
//    RECT r;
    
//    r.left=r.top=3;
    
//    r.right=rectWnd.right-3;
    
//    r.bottom=rectWnd.bottom-3;
    
//    DrawFocusRect(hDC, &r );
    
//}

    SetBkMode(hDC,TRANSPARENT);
    HFONT hFont
=GetWindowFont(m_hWnd);
    SelectFont(hDC,hFont);
    
char szWinText[0x1000];
    GetWindowText(m_hWnd,szWinText,
0x1000);
    DrawText(hDC,szWinText,strlen(szWinText),
&rectWnd,DT_CENTER|DT_VCENTER|DT_SINGLELINE);

    DeleteDC(hMemDC);
    DeleteObject(hBmp);
}


LRESULT CALLBACK HookProc(
int nCode, WPARAM wParam, LPARAM lParam)
{
    LONG lReturn;
    
if( nCode == HC_ACTION )
    
{
        PCWPSTRUCT pcwps
=(PCWPSTRUCT)lParam;
        
switch(pcwps->message)
        
{
        
case WM_CREATE:
            
{
                CHAR szClass[MAX_PATH];
                GetClassName(pcwps
->hwnd, szClass, MAX_PATH);
                
if ( lstrcmpi(szClass, "Button"== 0 )
                
{
                    lReturn 
= GetWindowLong(pcwps->hwnd, GWL_STYLE);
                    
switch (lReturn & SS_TYPEMASK)
                    
{
                    
case BS_DEFPUSHBUTTON:        // 默认按钮
                    case BS_PUSHBUTTON:            // 普通按钮
                        CSkinButton::Install(pcwps->hwnd);
                        
break;
                    }

                }

            }

            
break;
        }

    }


    
return CallNextHookEx(g_hSKinHook, nCode, wParam, lParam);
}


void InstallSkin(HINSTANCE hInst)
{
    g_hInst
=hInst;
    
if (g_hSKinHook)
        UnhookWindowsHookEx(g_hSKinHook);
    g_hSKinHook 
= SetWindowsHookEx(WH_CALLWNDPROC, HookProc, 0, GetCurrentThreadId());
}

VC7.1工程 下载
posted on 2006-09-20 03:14 shaker(太子) 阅读(2871) 评论(0)  编辑 收藏 引用 所属分类: C++

只有注册用户登录后才能发表评论。
网站导航: 博客园   IT新闻   BlogJava   博问   Chat2DB   管理