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:
&p1Et
$cri"G 一、实现方法
k`W.tMo }LNpr 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
#msXAy$N3r f i-E_ #pragma data_seg("shareddata")
r'/7kF- 5 HHOOK hHook =NULL; //钩子句柄
b$P=rIB UINT nHookCount =0; //挂接的程序数目
~_P,z? static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
7FMg6z8~ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
'&5A*X]d static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
qb y! static int KeyCount =0;
N(v<*jn static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
A]2zK?|s #pragma data_seg()
dA[Z\ !GcH ) 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。
M0<gea\ = iWu$$IV?- 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:
|1G /J[E U}7a;4? BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
"
1YARGu cKey,UCHAR cMask)
m!s/L,iJJ {
sm-RpZ&| BOOL bAdded=FALSE;
"Y9
*rL for(int index=0;index<MAX_KEY;index++){
Exox&T if(hCallWnd[index]==0){
2H8,&lY.p hCallWnd[index]=hWnd;
xX`P-h>V`c HotKey[index]=cKey;
(eI'%1kS< HotKeyMask[index]=cMask;
N3Ub|$}q bAdded=TRUE;
mh>)N" KeyCount++;
5V\\w~&/ break;
2HBYReQ }
UBp0;)- }
Bry\"V"'g return bAdded;
+(VHnxNQs }
8V%(SV //删除热键
K
oPTY^ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
X#<#7. {
Y!9'Wf/^ BOOL bRemoved=FALSE;
g4<w6eB for(int index=0;index<MAX_KEY;index++){
dOArXp`s if(hCallWnd[index]==hWnd){
+1Oi-$
2- if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
"gXz{$q hCallWnd[index]=NULL;
Q_'3}:4 HotKey[index]=0;
zFh
JLH*C HotKeyMask[index]=0;
lL~T@+J~ bRemoved=TRUE;
0t<]Uf KeyCount--;
+]/_gz break;
5An|#^] }
MzRURH, }
~HD:Y7 }
CRvUD.D return bRemoved;
$[iSZ ; }
#uJGXrGt= +Gi~VW. *4Cq,o`o> DLL中的钩子函数如下:
x|G#oG)_ |l(rR06#.] LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
s8.O L_e {
A{lzQO BOOL bProcessed=FALSE;
7nB@U$]-Sz if(HC_ACTION==nCode)
|D%i3@P&ZR {
!.mMO_4} if((lParam&0xc0000000)==0xc0000000){// 有键松开
.vG_ \-@ switch(wParam)
#r;
'AG {
.w^M?}dx case VK_MENU:
/u{ 9UR[g MaskBits&=~ALTBIT;
L3P _ break;
=NwmhV case VK_CONTROL:
Me[T=Tt`@w MaskBits&=~CTRLBIT;
.Ya]N+r* break;
C)/uX5 case VK_SHIFT:
K:fK!/ MaskBits&=~SHIFTBIT;
RG|]Kt8 break;
?V%x94B default: //judge the key and send message
EO$_]0yI;_ break;
$;Lb|~ }
Lz2 AWqR for(int index=0;index<MAX_KEY;index++){
&*RJh'o|N( if(hCallWnd[index]==NULL)
=YkJS%)M) continue;
@ 'rk[S}A if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Ia$&SS)K {
g4_DEBh SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
0PD]#.+ bProcessed=TRUE;
R| t"(6 }
|U%S<X }
O/$pT%D1x }
f m.-*`ax else if((lParam&0xc000ffff)==1){ //有键按下
M0DdrL/
L switch(wParam)
&mDKpYrB {
\[oU7r}?/V case VK_MENU:
&bBK#d*-u? MaskBits|=ALTBIT;
7yxZe4~|# break;
u&1n~t` case VK_CONTROL:
)e|Cd} 2 MaskBits|=CTRLBIT;
4UmTA_& Io break;
5FcKY_ case VK_SHIFT:
rVq=,>M9 MaskBits|=SHIFTBIT;
T1c2J,+}R break;
4A.ZMH default: //judge the key and send message
C,+6g/{ break;
nJ |O,*`O }
T;X8T for(int index=0;index<MAX_KEY;index++){
X64OX9:YF if(hCallWnd[index]==NULL)
]0.? 1s e continue;
{; ]:}nA if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Q[`J= {
/~V.qisZ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
<@ D`16%& bProcessed=TRUE;
Dp!3uR']p }
'`$a l7D }
n}PK0 }
{C Qo}@.7 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
He="S3XON for(int index=0;index<MAX_KEY;index++){
'$*d:1 if(hCallWnd[index]==NULL)
1BUdl=o>S continue;
{ecmOxKP} if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
0{g @j{Lbz SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
I^sWf3'db //lParam的意义可看MSDN中WM_KEYDOWN部分
YG$2ySkDhE }
Ffk$8" }
\]=qGMwFs }
+,<\LIP return CallNextHookEx( hHook, nCode, wParam, lParam );
w~@.& }
3/mVdU?U QPjmIO 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:
:Jwc'y-] Gjq:-kX\ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
@gc lks/M BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
oomB/"Z #$7 z 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
X9C)FS ]uO 8 LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
| iEhe {
iD,iv if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
LyO ,] {
J"'2zg1& //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
~(kIr?^ SaveBmp();
YUd*\_ return FALSE;
j$<uE{c }
rRyBGEj …… //其它处理及默认处理
p%
ESp& }
"|w..%Wc 0o2o]{rM{2 `'9Kj9} 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。
sL|lfc'bB wP3_RA]z 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。
ei'=%r8~ (lF;c<69 二、编程步骤
0 (jb19 2)]C' 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";
x"h0Fe?J :" Q!Q@> 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
j|gv0SI_
w TtEc~m 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;
fI(u-z~, +N1oOcPC>C 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;
?F' gh4 y]QG; 5、 添加代码,编译运行程序。
hWpn~q '(A)^K>+ 三、程序代码
&\8.y2=9p *m:h0[[J ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
nB2AmS #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
:UMg5eZ #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
bA\TuB #if _MSC_VER > 1000
Q/r0p> #pragma once
}ny,Nl #endif // _MSC_VER > 1000
L'=2Uk#.D #ifndef __AFXWIN_H__
?P4@U9i #error include 'stdafx.h' before including this file for PCH
-IhFPjQ #endif
$~c?qU #include "resource.h" // main symbols
3?I^D /K^ class CHookApp : public CWinApp
x'*,~u {
%J4]T35^2 public:
f2Frb
CHookApp();
SvC|"-[mJ // Overrides
F_;oZ // ClassWizard generated virtual function overrides
"8|y //{{AFX_VIRTUAL(CHookApp)
oZ95 )'L, public:
opTDW) virtual BOOL InitInstance();
OQ"%(w>Hb virtual int ExitInstance();
Z0T{1YEJ //}}AFX_VIRTUAL
b3}928!D-@ //{{AFX_MSG(CHookApp)
Et~b^8$> // NOTE - the ClassWizard will add and remove member functions here.
mN3}wJ}J // DO NOT EDIT what you see in these blocks of generated code !
h+F@apUS //}}AFX_MSG
M$g%kqa DECLARE_MESSAGE_MAP()
(;YO]U4 };
'8`{u[: LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
I$0JAy BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
7onMKMktM% BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
k+S+: 5 BOOL InitHotkey();
-a(f- BOOL UnInit();
=1t#$JG #endif
m)9N9Ii#) rZ<0ks //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
R L/~E
xYC #include "stdafx.h"
Y W_E,A>h #include "hook.h"
<$Q\vCR #include <windowsx.h>
4S|! iOY #ifdef _DEBUG
])h={gI #define new DEBUG_NEW
G?12?2 #undef THIS_FILE
pv039~Sud static char THIS_FILE[] = __FILE__;
/G`&k{SiK #endif
)k0e} #define MAX_KEY 100
2pFOC;tl #define CTRLBIT 0x04
=Run #define ALTBIT 0x02
;SkC[;`J #define SHIFTBIT 0x01
~(Gv/x #pragma data_seg("shareddata")
_`Ey),c _ HHOOK hHook =NULL;
K6=-Zf UINT nHookCount =0;
|Axg}Q| static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
J'^s5hxn+0 static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
5}
|O static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
, M$*c static int KeyCount =0;
SPW @TF1 static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
d_#\^!9 #pragma data_seg()
m>2b %GTh HINSTANCE hins;
lGqwB,K$z4 void VerifyWindow();
XPXC7_fV BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
{"8\~r &b //{{AFX_MSG_MAP(CHookApp)
FW&P`Iu // NOTE - the ClassWizard will add and remove mapping macros here.
*/xI#G,O+
// DO NOT EDIT what you see in these blocks of generated code!
e3YZ-w^W~h //}}AFX_MSG_MAP
VHVU*6_w END_MESSAGE_MAP()
<K:?<F b6_*ljM CHookApp::CHookApp()
ncJ}h\:Sk {
AC3K*)`E // TODO: add construction code here,
(u85$_C // Place all significant initialization in InitInstance
K1uN(T.Ju }
6,M>' s,N ==(9P`\ CHookApp theApp;
7|PpAvMF LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
nS[0g^} {
b_ Sh#d& BOOL bProcessed=FALSE;
0TU~Q if(HC_ACTION==nCode)
udB:ys {
nk9hQRP?
8 if((lParam&0xc0000000)==0xc0000000){// Key up
*{tn/ro6a switch(wParam)
a{Y:hrd:Z {
o*97Nbjn case VK_MENU:
h*)spwF- MaskBits&=~ALTBIT;
?
Ldw\ break;
mU:C{<Z case VK_CONTROL:
@]tFRV MaskBits&=~CTRLBIT;
H? N!F7s break;
rgILOtk[ case VK_SHIFT:
|Z6rP- MaskBits&=~SHIFTBIT;
{>OuxVl??k break;
`ea;qWy default: //judge the key and send message
U
jVo "K break;
/a17B }
<Sm -Z,| for(int index=0;index<MAX_KEY;index++){
wM (!9Ws3 if(hCallWnd[index]==NULL)
a}`4BMi3 continue;
?PiJ7| if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
K"eR6_k {
-"Lia!Q]M SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
~b5aT;ObR bProcessed=TRUE;
h0Acpd2 }
g]iWD;61 }
KQ?E]}rZ }
JO5~Vj_" else if((lParam&0xc000ffff)==1){ //Key down
kP%'{ switch(wParam)
:<gmgI {
QpS0iUG case VK_MENU:
GhLgV MaskBits|=ALTBIT;
3nd02:GF break;
xBG&ZM4"^f case VK_CONTROL:
56u'XMB? MaskBits|=CTRLBIT;
RmO-".$yt break;
W>dS@;E case VK_SHIFT:
{~16j" MaskBits|=SHIFTBIT;
=NAL*4c+ break;
P\iw[m7O default: //judge the key and send message
EU ThH. break;
Y1{6lhxgE }
6 )0$UW for(int index=0;index<MAX_KEY;index++)
[[JwHM8H& {
y_qFXd if(hCallWnd[index]==NULL)
P~;NwHZ?k continue;
l+kI4B7-- if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
S#!PDg {
rv;w`f SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
\PU|<Ru. bProcessed=TRUE;
e.\d7_T+ }
W=mh*G3y }
(8@._ }
:2 ?dl:l if(!bProcessed){
eXnMS!g%Z for(int index=0;index<MAX_KEY;index++){
~c! XQJ if(hCallWnd[index]==NULL)
j?/T7a^ continue;
M,e_=aq if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
}_3<Q\j SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
DDN#w<# }
ff?:_q+.N }
m]=|%a6 }
xlqRW" return CallNextHookEx( hHook, nCode, wParam, lParam );
AmRppbj/wO }
1A< O
Z> _4owxYSDke BOOL InitHotkey()
~(-B%Az {
3@KX|- if(hHook!=NULL){
)]n:y M nHookCount++;
7>wSbAR< return TRUE;
&0K
H00l }
-"\z|OQ else
'2/48j X5 hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
u <%,Ql if(hHook!=NULL)
_Wk!d3bsx nHookCount++;
%z`bu2 return (hHook!=NULL);
Kv{i_%j
}
KFLIO>hE BOOL UnInit()
IM}#k$vM: {
1}QU\N(t if(nHookCount>1){
+*DXzVC nHookCount--;
K
{!eHTU return TRUE;
]EE}ax%#aq }
H^B/
'#mO BOOL unhooked = UnhookWindowsHookEx(hHook);
p(v+j_ak if(unhooked==TRUE){
)`,3/i9C$ nHookCount=0;
v /G, hHook=NULL;
#Ji&.T^U/ }
(m-(5 CaJ return unhooked;
J5mMx)t@ }
Nf}G
"! ]gQgNn? BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
yg5 Ik{ {
Xi6XV3G BOOL bAdded=FALSE;
|bO}|X for(int index=0;index<MAX_KEY;index++){
_Sosw|A if(hCallWnd[index]==0){
^ bexXYh hCallWnd[index]=hWnd;
/V2Ih HotKey[index]=cKey;
mG1=8{o^ HotKeyMask[index]=cMask;
n*9)Y~ bAdded=TRUE;
Z'/:
KeyCount++;
]Yp;8#:1 break;
`CUTb*{` }
}RO Cj,| }
[_^K}\/+ return bAdded;
,~hvFTJI }
&+xNR2"; p4fU/ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
Oq|RMl {
("}TW-r~ BOOL bRemoved=FALSE;
}(hx$G^M for(int index=0;index<MAX_KEY;index++){
2x"&8Bg3 if(hCallWnd[index]==hWnd){
4@.qM6 \\q if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
W+cmn )8 hCallWnd[index]=NULL;
DKPX_:: HotKey[index]=0;
O<
v0{z09* HotKeyMask[index]=0;
{<v?Z_!68 bRemoved=TRUE;
%S.
_3`A KeyCount--;
MQG(n +c break;
qdx(wGG }
:Z- =1b~ }
:tl*>d~ }
P bj &l0C return bRemoved;
D2# 3fM6 }
&_x:+{06 ^{T]sv void VerifyWindow()
U,gg@!1GJo {
D8m1:kU for(int i=0;i<MAX_KEY;i++){
~5N0=) if(hCallWnd
!=NULL){ rFh!&_
if(!IsWindow(hCallWnd)){ -v/1R1$e1
hCallWnd=NULL; F
*=>=
HotKey=0; 7.,C'^ci
HotKeyMask=0; wI'T Je,
KeyCount--; Kyq/'9`
} .D(H@3qA@
} DJdW$S7
} Tv_KdOv8
} 3,8<5)ds*
]]Sz|6 P
BOOL CHookApp::InitInstance() %?Yf!)owh
{ w<!F& kQB
AFX_MANAGE_STATE(AfxGetStaticModuleState()); V8@VR`!'
hins=AfxGetInstanceHandle(); fZw/kjx@
InitHotkey(); p9 <XaJ}
return CWinApp::InitInstance(); ve49m%NQ
} bJ4} )P&
E z?O
gE{
int CHookApp::ExitInstance() Iq]+O Q
{ -y|>#`T/
VerifyWindow(); )"/.2S;
UnInit(); 93Kd7x-3
return CWinApp::ExitInstance(); ><V<}&:y$(
} $M5iU@A
M+j V`J!
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file J$F
1sy
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) { 0RwjPYp
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ CBN,~wzP*
#if _MSC_VER > 1000 ,bzE`6
#pragma once <j,ZAA&5%Y
#endif // _MSC_VER > 1000 _C2iP[YwQ{
2w_[c.
class CCaptureDlg : public CDialog !'8.qs
{ R}_B\# Q
// Construction Sg
public: :
E[\1
BOOL bTray; @{P<!x <Q
BOOL bRegistered; >o9tlO)
BOOL RegisterHotkey(); mE=%+:o.
UCHAR cKey; mhVdsa
UCHAR cMask; [1nfSW
void DeleteIcon(); $ @g\wz
void AddIcon(); L{1MyR7`I+
UINT nCount;
Tsg;i;
void SaveBmp(); c|m*<
i
CCaptureDlg(CWnd* pParent = NULL); // standard constructor NXo$rf:
// Dialog Data 4zKmoYt
//{{AFX_DATA(CCaptureDlg) K~Nx;{{d
enum { IDD = IDD_CAPTURE_DIALOG }; 6l]jmj)/
CComboBox m_Key; + -~8t^
BOOL m_bControl; bca4'`3\|
BOOL m_bAlt; sB`.G
BOOL m_bShift; dDYD6
CString m_Path; Y\75cfD
CString m_Number; TS4Yzq,f
//}}AFX_DATA D=1:-aLP7
// ClassWizard generated virtual function overrides ~/^q>z!\4
//{{AFX_VIRTUAL(CCaptureDlg) iOY: a
public: mO<1&{qMZ
virtual BOOL PreTranslateMessage(MSG* pMsg); g?B4b7II
protected: qJ(XW N H
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support yUnNf 2i
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); H j [!F%
//}}AFX_VIRTUAL _Ns/#Xe/
// Implementation lldNIL6B%
protected: M5 \flE2
HICON m_hIcon; SG\6qE~
// Generated message map functions *).u:>D4
//{{AFX_MSG(CCaptureDlg) 2(I S*idq
virtual BOOL OnInitDialog(); wtM1gYl^
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); 3qf?n5"8
afx_msg void OnPaint(); 41uiW,
afx_msg HCURSOR OnQueryDragIcon(); #mKF)W
virtual void OnCancel(); sbv2*fno5
afx_msg void OnAbout(); OFe-e(c1
afx_msg void OnBrowse(); @*e5(@R
afx_msg void OnChange(); W_.WMbT
//}}AFX_MSG <qGxkV
DECLARE_MESSAGE_MAP() Fz11/sKz
}; ?}g^/g !
#endif (yrN-M4~t
:3b.`s(M
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file boS=
#include "stdafx.h" A |u-VXQ
#include "Capture.h" B SH2Kq
#include "CaptureDlg.h" *T6*Nxs0k
#include <windowsx.h> +~(SeTY
#pragma comment(lib,"hook.lib") KE[!{O^(a
#ifdef _DEBUG C&|K7Zp0v
#define new DEBUG_NEW hk+8s\%-
#undef THIS_FILE (^pIB~.z
static char THIS_FILE[] = __FILE__; ?7=c`
#endif 4SVIdSA
#define IDM_SHELL WM_USER+1 j%+>y;).
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); \)$:
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); @*Tql:Qcd^
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; >piVi[`
class CAboutDlg : public CDialog -\<\OV:c*
{ PI\C*_.
public: 'VgEf:BS
CAboutDlg(); 2OVN9_D%
// Dialog Data j+9;Rvt2
//{{AFX_DATA(CAboutDlg) 'uC=xG.*}
enum { IDD = IDD_ABOUTBOX }; W{m_yEOf
//}}AFX_DATA &NKb},~
// ClassWizard generated virtual function overrides =U7P\sw2
//{{AFX_VIRTUAL(CAboutDlg) %u}#|+8}
protected: -*A1[Z ?
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support -w"$[XP
//}}AFX_VIRTUAL }1
,\*)5
// Implementation ]sTb Ew.[
protected: s<>d&W 0=
//{{AFX_MSG(CAboutDlg) sZx`u+
//}}AFX_MSG A^ofs*"Y
DECLARE_MESSAGE_MAP() "%}24t%
}; S=}1k,I
_?>x{![
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 8
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{ N TcojA{V$
//{{AFX_DATA_INIT(CAboutDlg) p$=Z0p4%LL
//}}AFX_DATA_INIT KFgq3snH
} $J8g)cS
VBUrtx:
void CAboutDlg::DoDataExchange(CDataExchange* pDX) GQ(*k)'a
{ \sz*M
B
CDialog::DoDataExchange(pDX); &V|kv"Wwj
//{{AFX_DATA_MAP(CAboutDlg) .Hnhd/ c
//}}AFX_DATA_MAP d.|*sZ&3p
} oN2#Jh%dH
[QFAkEJ--o
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) cJerYRjsL
//{{AFX_MSG_MAP(CAboutDlg) qjObu\r
// No message handlers !YPwql(
//}}AFX_MSG_MAP 7Kf
END_MESSAGE_MAP() jW]"Um-]
>AFQm
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) <Drm#2x!E
: CDialog(CCaptureDlg::IDD, pParent) yg.o?eML
{ ~&?57Sw*m
//{{AFX_DATA_INIT(CCaptureDlg) X J`*dgJ
m_bControl = FALSE; =r4sF!g
m_bAlt = FALSE; Mz.C`Z>o
m_bShift = FALSE; NH;e|8
m_Path = _T("c:\\"); \ZM5J
m_Number = _T("0 picture captured."); /qKA1-R}4
nCount=0; eC"k-a8j+
bRegistered=FALSE; up{0ehr
bTray=FALSE; 4E2#krE%
//}}AFX_DATA_INIT {#st>%i
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 jzJQ/ZFS
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); Gphy8~eS
} n}b{u@$
^k*%`iQ
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) [>N#61CV5
{ 0SU v 5c
CDialog::DoDataExchange(pDX); 6cd!;Ca
//{{AFX_DATA_MAP(CCaptureDlg) g$ HL::
DDX_Control(pDX, IDC_KEY, m_Key); No"i6R+
DDX_Check(pDX, IDC_CONTROL, m_bControl); @0]w!q
DDX_Check(pDX, IDC_ALT, m_bAlt); 0C;Js\>3]
DDX_Check(pDX, IDC_SHIFT, m_bShift); 8 :WN@
DDX_Text(pDX, IDC_PATH, m_Path); h/oun2C
DDX_Text(pDX, IDC_NUMBER, m_Number); -RJ~Sky[
//}}AFX_DATA_MAP =igTY1|af
} ^vxx]Hji
*^%+PQ
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) ]0&X[?
//{{AFX_MSG_MAP(CCaptureDlg) O1UArD
ON_WM_SYSCOMMAND() R%4Yg(-Q
ON_WM_PAINT() i}:hmy'
ON_WM_QUERYDRAGICON() Q7<Y5+
ON_BN_CLICKED(ID_ABOUT, OnAbout) oi]XSh[_s
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) g zlxkv-F{
ON_BN_CLICKED(ID_CHANGE, OnChange) O&MH5^I
//}}AFX_MSG_MAP ;O1jf4y
END_MESSAGE_MAP()
LofpBO6^
b}fC'
h
BOOL CCaptureDlg::OnInitDialog() BYu(a
{ /lbj!\~
CDialog::OnInitDialog(); W/\pqH
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); )H @<A93
ASSERT(IDM_ABOUTBOX < 0xF000); rrR"2WuGO
CMenu* pSysMenu = GetSystemMenu(FALSE); <o9AjASv\,
if (pSysMenu != NULL) $@@ii+W}\
{ :-O$rm
CString strAboutMenu; 'j*Q
strAboutMenu.LoadString(IDS_ABOUTBOX); bfpeK>T
if (!strAboutMenu.IsEmpty()) 3b\s;!
{ ;e*okYM
pSysMenu->AppendMenu(MF_SEPARATOR); 4evNZ
Q
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); (V&8
WN
} pj<aMh
} 2Y%7.YX"
SetIcon(m_hIcon, TRUE); // Set big icon lX%-oRQ/os
SetIcon(m_hIcon, FALSE); // Set small icon sVr|kvn2
m_Key.SetCurSel(0); +_ /ys!
RegisterHotkey(); t
#Kucde
CMenu* pMenu=GetSystemMenu(FALSE); pfu"vo(t_
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); XlD=<$Nk7
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); ,}\LC;31,
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); ^SsdM#E
return TRUE; // return TRUE unless you set the focus to a control U#[T!E
} [<5/s$,i
yZ 7)|j
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) Vpp$yM&?
{ dH.Fb/7f
if ((nID & 0xFFF0) == IDM_ABOUTBOX) G62;p#
{ >?OUs>}3y2
CAboutDlg dlgAbout; T u%XhXl:j
dlgAbout.DoModal(); &"WgO!pzD
} >]anTF`d
else n Bd]rak'
{ vs$h&o>|
CDialog::OnSysCommand(nID, lParam); qLN\>Z,3;
} h^_^)P+;
} hSxK*.W*3
Iila|,cM
void CCaptureDlg::OnPaint() eI:x4K,#
{ %TR J
if (IsIconic()) ovOV&Zt
{ QVRQUd
CPaintDC dc(this); // device context for painting #'O9Hn({
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); :%33m'EV}
// Center icon in client rectangle @GD $KR9
int cxIcon = GetSystemMetrics(SM_CXICON); ?*$uj(
int cyIcon = GetSystemMetrics(SM_CYICON); {ZSAPq4)L
CRect rect; bDIhI}P
GetClientRect(&rect); 5x|$q kI
int x = (rect.Width() - cxIcon + 1) / 2; p#Po?
int y = (rect.Height() - cyIcon + 1) / 2; Q=d:Yz":S
// Draw the icon eaNfCXHDN
dc.DrawIcon(x, y, m_hIcon); wEl7mg !
} k>Fw2!mA^
else *z6A ~U
{ U+#^>}wc
CDialog::OnPaint(); 4"Qb^y
} Yr~wsE/
} JL!^R_b&c
\D'mo
HCURSOR CCaptureDlg::OnQueryDragIcon() -(e=S^36
{ ^wc:qll
return (HCURSOR) m_hIcon; @=Pc{xp
} v FQ]>nX
.SmG) 5U]
void CCaptureDlg::OnCancel() 88<d<)7t
{ yPT o,,ca=
if(bTray) 5D=U.UdR
DeleteIcon(); @aN~97
H\
CDialog::OnCancel(); F'>yBDm*OM
} %).I&)i
w0@XJH:P
void CCaptureDlg::OnAbout() #g@4c3um|
{ >TM{2b,(p
CAboutDlg dlg; Jw}&[
dlg.DoModal(); h5T~dGRlR
} Yc?S<
7p\&