在Windows操作系统中,当用户按下"PrintScreen"按钮后,Windows自动将当前屏幕的图像拷贝到系统剪贴板中,这时可以通过"画笔"这个小程序将剪贴板中的内容保存成图像文件,可以看出,如果需要将当前屏幕保存下来还是比较麻烦的,能否可以自己编写一个应用程序,自动将当前屏幕的内容保存到一个图像文件中去呢?这个答案是肯定的,本实例应用程序就是利用通用的热键管理DLL库实现的热键功能,在收到热键通知后截取屏幕的内容并保存到bmp文件中。例如我们设置图片保存路径为c:\,热键为F9 + Control,然后按Change按钮设置好热键,那么当我们按下CTRL+F9后,当前界面将以BMP图像文件的格式被保存在C:\目录下。程序编译运行后的界面效果如图一所示:
$;i$k2n:
>?W;>EUH 一、实现方法
5rA!VES T z!C4>, 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
G\>\VA +.#S[G #pragma data_seg("shareddata")
`J#xyDL6? HHOOK hHook =NULL; //钩子句柄
l[ ": tG UINT nHookCount =0; //挂接的程序数目
a]Da`$T static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
uM)9b*Vbo static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
n+\Cw`'<H static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
1X"H6j[w static int KeyCount =0;
^$+f3Z' static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
|@L &yg,x #pragma data_seg()
*_/eAi/WG @EP{VV 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
.cT$h?+jyl *CY6
a
DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
CDwIq>0j aQ&8fteFR BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
lDPRn~[#\ cKey,UCHAR cMask)
o%^k T& {
5@>4)dk\ BOOL bAdded=FALSE;
*o e0= for(int index=0;index<MAX_KEY;index++){
w4fJ`, if(hCallWnd[index]==0){
&PBWJ?@O)r hCallWnd[index]=hWnd;
a.}:d30 HotKey[index]=cKey;
4R*<WdT( HotKeyMask[index]=cMask;
m wEVEx24 bAdded=TRUE;
lmtQr5U KeyCount++;
z@l!\m- break;
C+(Gg^ w }
Z>Kcz^a# }
.)^3t~ return bAdded;
<W=[
sWJ }
#!=>muZt //删除热键
n?e@): BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
^,Y~M_= {
Q$.V:# BOOL bRemoved=FALSE;
5lHN8k=mm2 for(int index=0;index<MAX_KEY;index++){
llaZP(pJ if(hCallWnd[index]==hWnd){
(m3I#L if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
xL39>PB hCallWnd[index]=NULL;
\p@nH%@v HotKey[index]=0;
V:G }=~+= HotKeyMask[index]=0;
d%_78nOh" bRemoved=TRUE;
dJQ }{,+6 KeyCount--;
J!A/r< break;
^{fi^lL= }
m['v3m: }
g=oeS%>E }
U8WHE=Kk\h return bRemoved;
!|Xl 8lV` }
LN~N
Fjs 71L\t3fG w*6!?=jP DLL中的钩子函数如下:
rtYb"-& z%}CBTm LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
jsqUMy- {
P$(WdVG BOOL bProcessed=FALSE;
CFkW@\] if(HC_ACTION==nCode)
zqvRkMWc M {
"S B%02 if((lParam&0xc0000000)==0xc0000000){// 有键松开
_
r^90 switch(wParam)
A4#3O5kij {
G&%nF4 case VK_MENU:
GLaZN4` MaskBits&=~ALTBIT;
>p]WCb'PH break;
<i:*p1#Bm case VK_CONTROL:
*@ <8&M9x MaskBits&=~CTRLBIT;
_>jrlIfc break;
4+/fP case VK_SHIFT:
]uStn MaskBits&=~SHIFTBIT;
P^K?E break;
je- ,S>U default: //judge the key and send message
QLF,/" break;
Cz=A{<^g }
PuCwdTan_ for(int index=0;index<MAX_KEY;index++){
Qr|N) if(hCallWnd[index]==NULL)
qEK4I}Q-= continue;
r&%gjqt if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
uKR\Xo} {
Lo|NE[b:G SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
o;M.Rt\A bProcessed=TRUE;
Xb(CH#*{z }
V_ +}^ }
ibZt2@GB)I }
&jXca| wAR else if((lParam&0xc000ffff)==1){ //有键按下
9atjK4+o switch(wParam)
[ 5CS}FB {
5YTb7M case VK_MENU:
A6?qIy MaskBits|=ALTBIT;
L~*|,h break;
x38SSzG:L case VK_CONTROL:
Xk{!' 0 MaskBits|=CTRLBIT;
$'A4RVVT break;
]~j_N^oZ1X case VK_SHIFT:
m%e^&N#%6r MaskBits|=SHIFTBIT;
}j+~'O4m break;
!p]T6_t]Q default: //judge the key and send message
olD@W
UB break;
Qa,NGP. }
%+AS0 JhB for(int index=0;index<MAX_KEY;index++){
s
jL*I if(hCallWnd[index]==NULL)
ntrY =Y continue;
w8AJ#9W if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
R4#;<) {
io1S9a(y SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
uI%N? bProcessed=TRUE;
E/"YId `A }
);Tx5Z} }
2x-'>i_|g }
6V'wQqJ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
/[\6oa for(int index=0;index<MAX_KEY;index++){
D+|
K%_Qq if(hCallWnd[index]==NULL)
4mEzcwo' continue;
SL[rn<x| if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
fp.!VOy SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
Zij"/gx\ //lParam的意义可看MSDN中WM_KEYDOWN部分
Hnfvo*6d.e }
KotPV }
fC=fJZU7$ }
9b?i
G return CallNextHookEx( hHook, nCode, wParam, lParam );
[Xxw]C6\>( }
^7i^ \w0
$cRcap 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
[ Z#+gh Of1IdE6~ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
0L!er%GM BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
4fu'QZ(} 5Waw?1GL 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
Wr]O 4a\n4KO X LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
8# 6\+R {
^36M0h|R if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
VYL@RL' {
6P0y-%[Gk //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
cDfx)sL SaveBmp();
LiiK3!^i return FALSE;
<\>+~p, }
@)9REA(U …… //其它处理及默认处理
Jb(DJ-& }
f&6w;T= 6{5q@9F PPUEkvH
W 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
q $t&|{ mG0L !5 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
aML#Z |n '
be P 二、编程步骤
u8|@|t v2IEJ 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
5iP8D<;o5 bBA$}bv 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
J2rvJ2l=t j%#?m2J} 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
P;j&kuW|zL :lgHL3yl 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
H":/Ckok q_-ma_F#s 5、 添加代码,编译运行程序。
-<8B, ]PeLcB 三、程序代码
^&C&~}Zv @/9>=#4c ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
xC<R:"Mn #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
| @uq() #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
DYc.to- #if _MSC_VER > 1000
9~=gwP #pragma once
1Wv{xML" #endif // _MSC_VER > 1000
#]@9qPyn #ifndef __AFXWIN_H__
U?^OD #error include 'stdafx.h' before including this file for PCH
lco~X DI #endif
^SEc./$ #include "resource.h" // main symbols
Tj Mb>w9 class CHookApp : public CWinApp
DG3[^B {
D`en%Lf!m public:
|pBMrN+is CHookApp();
+-U@0&Y3M // Overrides
pQqbZ3] // ClassWizard generated virtual function overrides
xtOx|FkYcl //{{AFX_VIRTUAL(CHookApp)
n;%y public:
6*sw,sU[y virtual BOOL InitInstance();
q1H~
|1 virtual int ExitInstance();
9t#P~>:jY} //}}AFX_VIRTUAL
t
@;WgIp(& //{{AFX_MSG(CHookApp)
7LG+$LEz // NOTE - the ClassWizard will add and remove member functions here.
%Nl`~Kz9U // DO NOT EDIT what you see in these blocks of generated code !
AU/#b(mI //}}AFX_MSG
+a #lofhv DECLARE_MESSAGE_MAP()
Gv;;!sZ };
Jff 79)f LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
Bw6 L;Vu BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
;xhOj<: BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
y">fN0{< BOOL InitHotkey();
`n6/ A) BOOL UnInit();
FtN}]@F #endif
5!tb$p#z 10?qjjb& //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
!z?0 :Jg #include "stdafx.h"
.xEJaID\N #include "hook.h"
`-o5&>'nf #include <windowsx.h>
{>/)5AGs #ifdef _DEBUG
&2Q*1YXj #define new DEBUG_NEW
R'L?Xn}3 #undef THIS_FILE
{H+?z<BF< static char THIS_FILE[] = __FILE__;
J,RDTXqn #endif
!I~C0u #define MAX_KEY 100
n3'dLJH| #define CTRLBIT 0x04
lw s(/a*c #define ALTBIT 0x02
{$0&R$v3 #define SHIFTBIT 0x01
!Qcir&]C> #pragma data_seg("shareddata")
]Dh1~k.Kp HHOOK hHook =NULL;
te)n{K", UINT nHookCount =0;
8`*`nQhWa static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
H/^B.5RYE> static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
BMdSf(l static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
6ga5^6W static int KeyCount =0;
*o!l/>4g static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
@7fm1b #pragma data_seg()
:\mRtVH HINSTANCE hins;
jP+ pA e void VerifyWindow();
2)=la%Nx BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
U,'EF[t //{{AFX_MSG_MAP(CHookApp)
n08;
< // NOTE - the ClassWizard will add and remove mapping macros here.
;Xyte // DO NOT EDIT what you see in these blocks of generated code!
BB63xEx //}}AFX_MSG_MAP
Z2#`}GI_m END_MESSAGE_MAP()
IfMpY;ow= 9qr UM`z$g CHookApp::CHookApp()
Z^*NnL.' {
)yrAov\z* // TODO: add construction code here,
./7v",#*.' // Place all significant initialization in InitInstance
{c@G$ }
@UO}W_0ZD }"n7~| CHookApp theApp;
qi&D+~Gv! LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
Ib6(Bp9.L {
1M+oTIN BOOL bProcessed=FALSE;
N 'i,> if(HC_ACTION==nCode)
-6`;},Yr {
a8zZgIV if((lParam&0xc0000000)==0xc0000000){// Key up
nkRK+~> switch(wParam)
lufeieW {
L<=) @7 case VK_MENU:
(UGol[f< MaskBits&=~ALTBIT;
'B`#:tX^N break;
=*O=E@] case VK_CONTROL:
f TO+ZTRqf MaskBits&=~CTRLBIT;
Tm_8<$ 7 break;
;%Q&hwj case VK_SHIFT:
2d 8=h6 MaskBits&=~SHIFTBIT;
R*bmu break;
oNIFx5*Z default: //judge the key and send message
(ND%} break;
yUe+":7k. }
=Dk7RKoHF for(int index=0;index<MAX_KEY;index++){
@\jQoaLT$_ if(hCallWnd[index]==NULL)
~RInN+N# continue;
Xk,>l6vc if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
ZdH1nX(Yh3 {
/c#l9&, SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Sy bProcessed=TRUE;
. :a<2sp6 }
TBnvV 5_ }
K&dT(U }
ezn`
_x_? else if((lParam&0xc000ffff)==1){ //Key down
$P nLG]X switch(wParam)
4,~tl~FD {
}Eh*xOta case VK_MENU:
QPs:R hV7 MaskBits|=ALTBIT;
[7.agI@= break;
CT p!di| case VK_CONTROL:
7$7n71o MaskBits|=CTRLBIT;
YB5dnS"n break;
\bold" case VK_SHIFT:
J633uH}} MaskBits|=SHIFTBIT;
7W|Zq6pi break;
=9$mbn
r default: //judge the key and send message
'zxoRc-b@N break;
9Ejyg* }
]Ik%#l.G_ for(int index=0;index<MAX_KEY;index++)
CGZ^hoh/ {
"!KpXBc,> if(hCallWnd[index]==NULL)
56{I`QjX continue;
3m=2x5{L if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
~O03Sit- {
vv+J0f^ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
,{KCY[}| bProcessed=TRUE;
d!V$Y}n }
sV2iITFp }
;:OsSq& }
1bSD,;$sQ if(!bProcessed){
`R+,1"5 = for(int index=0;index<MAX_KEY;index++){
x=*L- if(hCallWnd[index]==NULL)
aWGon]2p continue;
Mu2`ODe] if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
OCK>%o$[ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
BQ#L+9% }
m@\ZHbq }
@Y-TOCadT }
0^&!6R return CallNextHookEx( hHook, nCode, wParam, lParam );
2|{V,!/cvG }
x8"#!Pw:`" N wtg%; BOOL InitHotkey()
F8=nhn {
c!wtf,F if(hHook!=NULL){
6ep>hS4A& nHookCount++;
Fm3t'^SqF return TRUE;
:(p)1=I }
r}W2 Ak\ else
_~M^ uW^l hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
+S9PML){h if(hHook!=NULL)
8omC%a}9m nHookCount++;
A5nO= return (hHook!=NULL);
wa:0X)KC? }
4l @)K9F BOOL UnInit()
AIZBo@xg {
'Cc(3 if(nHookCount>1){
d8OL!Rk nHookCount--;
ROdK8*jL return TRUE;
euQ.ArF }
?WFh',`: BOOL unhooked = UnhookWindowsHookEx(hHook);
d,9`<1{9 if(unhooked==TRUE){
8l>CR#%@C nHookCount=0;
'~Q2!F hHook=NULL;
YI@Fhr
&NU }
=SBBvnPLI return unhooked;
yPgmg@G@/ }
ir[jCea, ,Z~;U BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
hfrnxeM#~ {
C@gXT]Q
0} BOOL bAdded=FALSE;
qp~gP for(int index=0;index<MAX_KEY;index++){
>/^#Drwb!i if(hCallWnd[index]==0){
UtJ a3ya hCallWnd[index]=hWnd;
`78V%\ HotKey[index]=cKey;
.CbGDZ HotKeyMask[index]=cMask;
1-VT}J( bAdded=TRUE;
L?RF;jf KeyCount++;
nE|@IGH break;
Em^( }
yL1CZ_ }
2]WE({P return bAdded;
uf' 4' }
$nPAm6mH -iN.Iuc{b_ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
]Pc^#=(R0 {
io%')0p5q BOOL bRemoved=FALSE;
IL!=mZ>2O for(int index=0;index<MAX_KEY;index++){
h(' )" if(hCallWnd[index]==hWnd){
t"AzI8O if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
}!s!;BOx hCallWnd[index]=NULL;
ycr"Y| HotKey[index]=0;
Wa'sZ# HotKeyMask[index]=0;
Q-eCHr) bRemoved=TRUE;
g,kzQ}_ KeyCount--;
uT_!'l$fr break;
!#x= JX }
!GK$[9 }
${hz e<g }
p{Sh F. return bRemoved;
<{J5W6 }
" I+p ofdZ1F void VerifyWindow()
6}dR$*= {
p>*i$ for(int i=0;i<MAX_KEY;i++){
P?ep] if(hCallWnd
!=NULL){ Re=WfG
if(!IsWindow(hCallWnd)){ C)RBkcb
hCallWnd=NULL; e@]Wh)
HotKey=0; pa<qZZ
HotKeyMask=0; #kmh:P
KeyCount--; 9#/(N#>
} N{C;~'M2ce
} H+C6[W=
} L;6.r3bL
} \%A%s*1
xN0*8
BOOL CHookApp::InitInstance() V H^AcO
{ A(d5G^
AFX_MANAGE_STATE(AfxGetStaticModuleState()); ktH8as^54!
hins=AfxGetInstanceHandle(); g:#dl\k
InitHotkey(); !<\Br
return CWinApp::InitInstance(); my.`k'
} W WG /k17
pW?&J>\6
int CHookApp::ExitInstance() .[s2zI
{ fI|[Z+"
VerifyWindow(); f4('gl9
UnInit(); ^U q
return CWinApp::ExitInstance(); d/,E2i{I7
} \5><3*\
NAFsFngqH
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file 8cWZ"v
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) k|E]YvnfG
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ 0ZI(/r
#if _MSC_VER > 1000 !~iGu\y
#pragma once 7C,T&g
1:
#endif // _MSC_VER > 1000 IB5BO7J
;N=G=X|}
class CCaptureDlg : public CDialog Ug"rJMZG
{ SZ!=`a]
// Construction [`_io>*g
public: :+&AY2`
BOOL bTray; @R2at
BOOL bRegistered; 4Yjx{5QSAG
BOOL RegisterHotkey(); y2yKm1<Ru<
UCHAR cKey; "^CXY3v
UCHAR cMask; bE\,}DTy
void DeleteIcon(); +: Ge_-
void AddIcon(); lE#m]D
UINT nCount; T1Ta?b
void SaveBmp(); )R)a@op
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 40P) 4w
// Dialog Data 4FMF|U
//{{AFX_DATA(CCaptureDlg) ]$iN#d|ZU
enum { IDD = IDD_CAPTURE_DIALOG }; d^Di*&X
CComboBox m_Key; 6XV<?
9q
BOOL m_bControl; W?RE'QV8
BOOL m_bAlt; pa]" iZz
BOOL m_bShift; #gbH^a'
CString m_Path; 2y GOzc
CString m_Number; i%{X9!*%TX
//}}AFX_DATA .p6+l!"
// ClassWizard generated virtual function overrides 9s$U%F6}
//{{AFX_VIRTUAL(CCaptureDlg) &eZfQ27$
public: 1cJsj
virtual BOOL PreTranslateMessage(MSG* pMsg); o|8`>!hF
protected: t} p@:'
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support HK=[U9 o?
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); _D!g4"
//}}AFX_VIRTUAL x5si70BKC/
// Implementation tbDoP
Y
protected: I=Zx"'Um
HICON m_hIcon; $p* p
// Generated message map functions }ZOFYu0f
//{{AFX_MSG(CCaptureDlg) @ GDX7TPV
virtual BOOL OnInitDialog(); H=MCjh&$q
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); =_TaA(79
afx_msg void OnPaint(); %1U`@0
afx_msg HCURSOR OnQueryDragIcon(); 9}tG\0tL*
virtual void OnCancel(); h8 @
afx_msg void OnAbout(); Sr.;GS5i
afx_msg void OnBrowse(); kJK,6mN
afx_msg void OnChange(); 2 YxT MT
//}}AFX_MSG rjWLMbd.<
DECLARE_MESSAGE_MAP() $0Yh!L ?\
}; 34AP(3w
#endif CQg X=!q
wzWbB2Mb5
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file j) vlM+
#include "stdafx.h" R4's7k
#include "Capture.h" 4rNL":"O
#include "CaptureDlg.h" 3/6/G}s
#include <windowsx.h> ZU2laqa_
#pragma comment(lib,"hook.lib") y }2F9=
#ifdef _DEBUG g[z.*y/
#define new DEBUG_NEW -7]Xjb5
#undef THIS_FILE )9nElb2
static char THIS_FILE[] = __FILE__; YE+$H%Jl!
#endif - M5=r>1;
#define IDM_SHELL WM_USER+1 >H|` y@]
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); e(B9liXM
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); ug&[ IL~lc
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; CC >=UF
class CAboutDlg : public CDialog Vy)hDa[&
{ !sSQQo2Sv
public: N+W&NlZ
CAboutDlg(); &Vk; VM`5
// Dialog Data !^fa.I'mM
//{{AFX_DATA(CAboutDlg) alFjc.~}
enum { IDD = IDD_ABOUTBOX }; c@m5~
//}}AFX_DATA ub?K,
// ClassWizard generated virtual function overrides hq>Csj==@
//{{AFX_VIRTUAL(CAboutDlg) +SXIZ`
protected: 72db[
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support n]!fO
6kj
//}}AFX_VIRTUAL mryN}
// Implementation $6>?;
protected: 6gO9 MQY
//{{AFX_MSG(CAboutDlg) LxN*)[ Wb
//}}AFX_MSG 4/>Our 5
DECLARE_MESSAGE_MAP() 2s ,8R
}; P* #8ZMA<
+{`yeZ9S
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) w=b(X
q+:
{ XAOak$(j
//{{AFX_DATA_INIT(CAboutDlg) @Cq? :o<
//}}AFX_DATA_INIT ni CE\B~
} 4g
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Lm)\Z P+W
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 7YIK9edP
{ D@YP7
CDialog::DoDataExchange(pDX); p#8W#t$
//{{AFX_DATA_MAP(CAboutDlg) {==pZpyyh
//}}AFX_DATA_MAP vlWw3>4
} V1=*z
=H]F`[B=
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) "kW!{n
//{{AFX_MSG_MAP(CAboutDlg) TJ@Cj y%
// No message handlers -C7 FuD[Xw
//}}AFX_MSG_MAP 0(>rG{u
END_MESSAGE_MAP() ph:3|d
Mio>{%/
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) g9h(sLSF
: CDialog(CCaptureDlg::IDD, pParent) 25{ uz
{ 7LZ^QC
//{{AFX_DATA_INIT(CCaptureDlg) (il0M=M
m_bControl = FALSE; tOdT[&
m_bAlt = FALSE; /ONV5IkPy
m_bShift = FALSE; :Waox"#=g
m_Path = _T("c:\\"); "&YYO#YO
m_Number = _T("0 picture captured."); l3i,K^YL
nCount=0; ]n1dp2aH
bRegistered=FALSE; L-i>R:N4
bTray=FALSE; ]5CNk+`'
//}}AFX_DATA_INIT yf1CXldi
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 ;1AG3P'
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); EYS>0Y
} ]L_w$ev'
pR os{Uq"
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) `|e!Kq?#Q
{ 'w/qcD-
CDialog::DoDataExchange(pDX); 2i=H"('G)+
//{{AFX_DATA_MAP(CCaptureDlg) PK6iY7Qp)
DDX_Control(pDX, IDC_KEY, m_Key); ~XM[>M\qB
DDX_Check(pDX, IDC_CONTROL, m_bControl); 8}p8r|d!ls
DDX_Check(pDX, IDC_ALT, m_bAlt); <EX7WA
DDX_Check(pDX, IDC_SHIFT, m_bShift); - Xupq/[,
DDX_Text(pDX, IDC_PATH, m_Path); Rhgj&4
DDX_Text(pDX, IDC_NUMBER, m_Number); h,t|V}Wb
//}}AFX_DATA_MAP .=RlOK
} ?2J?XS>
x!TZ0fq0
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) !AN^ ,v]D
//{{AFX_MSG_MAP(CCaptureDlg) q%3<Juq~$
ON_WM_SYSCOMMAND() OmMX$YID
ON_WM_PAINT() c-]fKj7
ON_WM_QUERYDRAGICON() _ *(bmJM
ON_BN_CLICKED(ID_ABOUT, OnAbout) oY9FK{
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) $Rtgr{ {;"
ON_BN_CLICKED(ID_CHANGE, OnChange) o=+Z.-q
//}}AFX_MSG_MAP {+T/GBF-K=
END_MESSAGE_MAP() =jAFgwP\
lP<I|O=z
BOOL CCaptureDlg::OnInitDialog() Rs;15@t@
{ -e -e9uP
CDialog::OnInitDialog(); E0f{iO;}
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ?r_kyuU
ASSERT(IDM_ABOUTBOX < 0xF000); fZryG
CMenu* pSysMenu = GetSystemMenu(FALSE); :J_oj:0r"f
if (pSysMenu != NULL) Pi6C/$
K
{ 5>0.NiXGf'
CString strAboutMenu; "cUg>a3
strAboutMenu.LoadString(IDS_ABOUTBOX); i2,U,>.
if (!strAboutMenu.IsEmpty())
m)>&ZIXa
{ T|4snU2M
pSysMenu->AppendMenu(MF_SEPARATOR); Z|6{T
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); d.F)9h]XHO
} !XE aF]8
} 1i|.h
SetIcon(m_hIcon, TRUE); // Set big icon L K7Xw3
SetIcon(m_hIcon, FALSE); // Set small icon , |E$'
m_Key.SetCurSel(0); HxwlYx,4
RegisterHotkey(); $xW**&
CMenu* pMenu=GetSystemMenu(FALSE); |Fln8wB
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); C".1+Um
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); NlPS#
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); 2Oc$+St~8
return TRUE; // return TRUE unless you set the focus to a control {ISE'GJj
} I<\
'%
zQ)+/e(8
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) (|h:h(C
{ jZ9[=?
if ((nID & 0xFFF0) == IDM_ABOUTBOX) lu\o`m5wF
{ Iin#Wd-/
CAboutDlg dlgAbout; b{[*N
dlgAbout.DoModal(); U@lV
} yyl#{Nl@t
else QJX/7RA
{ @|A|
CDialog::OnSysCommand(nID, lParam); khX|"d360
} #a~"K|'G
} ? Nj)6_&
!p.^ITM3S
void CCaptureDlg::OnPaint() L:f)i,S"5q
{ mV\$q@sII
if (IsIconic()) pA4 ,@O
{ Q+[ .Y&
CPaintDC dc(this); // device context for painting &y.dmW
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 8e:vWgQpL
// Center icon in client rectangle %vqT#+x
int cxIcon = GetSystemMetrics(SM_CXICON); [1Dm<G
u@
int cyIcon = GetSystemMetrics(SM_CYICON); __N.#c/l{
CRect rect; !vqC+o>@
GetClientRect(&rect); Jbw!:x
[
int x = (rect.Width() - cxIcon + 1) / 2; HkjEiU
int y = (rect.Height() - cyIcon + 1) / 2; .XH8YT42
// Draw the icon dk5|@?pe
dc.DrawIcon(x, y, m_hIcon); Bq}x9C&<
} .[pUuVq]
else F'W>
8
{ 4('JwZw\!
CDialog::OnPaint(); H'Qo\L4H
} wK5_t[[
} }[=YU%[o:
ej[S u
HCURSOR CCaptureDlg::OnQueryDragIcon() W'$kZ/%[
{ Uene=Q6>
return (HCURSOR) m_hIcon; 9%,;XQ
} pM$ @m]
@p!Q1-] =
void CCaptureDlg::OnCancel() ZwJciT!_~
{ sBW3{uK
if(bTray) gY5l.&
DeleteIcon(); o0Gx%99'
CDialog::OnCancel(); ;sQbn|=e"
} @EZ>f5IO+
C3"&sdLb$
void CCaptureDlg::OnAbout() $G";2(-k
{ gA:TL{X0
CAboutDlg dlg; bx;f`8SN
dlg.DoModal(); P[i\e7mR
} $$gtZ{ukQ
0s%6n5>
void CCaptureDlg::OnBrowse() hPO>,j^
{ Q<