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:
6 D~b9e
#^Sd r- 一、实现方法
pw&l.t6. dwJ'hg 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:
}$iH3#E8 8 +uOYNXsA #pragma data_seg("shareddata")
/r}t HHOOK hHook =NULL; //钩子句柄
PtmdUHvD UINT nHookCount =0; //挂接的程序数目
\zgRzO'N static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
H={fY:% static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
3go!P]) static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
R.>/%o static int KeyCount =0;
h r t\ static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
- +
$u #pragma data_seg()
JUwP<C[ )t@OHSl 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
p~=%CG^5 eFZ`0V0 DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
"L{;=-e Ak>RLD25_ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
"kf7??Z cKey,UCHAR cMask)
8]2S'mxE {
i,* DWD+ BOOL bAdded=FALSE;
vxbO>c for(int index=0;index<MAX_KEY;index++){
183'1Z$KA if(hCallWnd[index]==0){
N}.h_~6 hCallWnd[index]=hWnd;
gKS^-X{x
HotKey[index]=cKey;
h2uO+qEsu HotKeyMask[index]=cMask;
"$
u"Py bAdded=TRUE;
uOm fpg O KeyCount++;
^@L break;
a)`h*P5@ }
V3F2Z_VH2 }
=\oNu&Q^ return bAdded;
KDHR}` }
!~>u\h //删除热键
s
g6 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
)[%#HT {
E/5w
H/ BOOL bRemoved=FALSE;
U
.e Urzu for(int index=0;index<MAX_KEY;index++){
PJkEBdM. if(hCallWnd[index]==hWnd){
=o+t_.)N if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
sQTW?KA-Te hCallWnd[index]=NULL;
N2q'$o HotKey[index]=0;
{e>}.R HotKeyMask[index]=0;
X0P<ifIv bRemoved=TRUE;
{?eD7xL:- KeyCount--;
9) mJo( break;
[&)9|EV }
ZTHrjW1 }
7\5 [lM }
?vM{9!M return bRemoved;
Eepy%-\ }
L(AY)gB Nu|?s- mezP"N=L~ DLL中的钩子函数如下:
`[Z?&'CRQ ]]9eUw= LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
zXp{9P\c {
wK|&[ms BOOL bProcessed=FALSE;
9SMM%(3, r if(HC_ACTION==nCode)
e$Md?Pq {
Rw Y)
O5 if((lParam&0xc0000000)==0xc0000000){// 有键松开
/5zzzaj{ switch(wParam)
h*d&2>"0m? {
Rp9uUJ 6o case VK_MENU:
`Mp]iD{ MaskBits&=~ALTBIT;
oX!s u break;
VZw( "a*TB case VK_CONTROL:
>Li
~Og@ MaskBits&=~CTRLBIT;
wk)gxn1A, break;
.KK"KO5k case VK_SHIFT:
rpy`Wz/[ MaskBits&=~SHIFTBIT;
I"Y?vj9] break;
?Tb'J`MO default: //judge the key and send message
:'.-*Ew break;
`(Ei-$
>U& }
*4=Fy:R]O for(int index=0;index<MAX_KEY;index++){
+h*&r~T if(hCallWnd[index]==NULL)
pOw4H67 continue;
PP$Ig2Q if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
ITq+Hk
R {
q;Qpd]H SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
$c f?`k bProcessed=TRUE;
?CM,k0 }
u4fTC})4{C }
${e(#bvGZ }
vWzNsWPK"{ else if((lParam&0xc000ffff)==1){ //有键按下
yTbBYx9Bi switch(wParam)
,CwhpW\Y {
H+_oK
]/ case VK_MENU:
E/AM<eN MaskBits|=ALTBIT;
<1_?.gSi break;
>-+MWu= case VK_CONTROL:
rA{h/T" MaskBits|=CTRLBIT;
<%) :'0q& break;
+Y 3_)
case VK_SHIFT:
r|0C G^:C MaskBits|=SHIFTBIT;
^W#[6]S break;
f~W.i] default: //judge the key and send message
_v]I6<!5U break;
[o|]>(tk }
$0cMrf@ for(int index=0;index<MAX_KEY;index++){
,3N8 if(hCallWnd[index]==NULL)
_H:SoJ' continue;
"B)DX*-\? if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
9YB~1M {
o)1wF
X SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
r]8tl bProcessed=TRUE;
Zj`eR\7~ }
M(oW;^B }
RTF{<,E.UX }
Oi
l>bv8 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
7_q"%xH for(int index=0;index<MAX_KEY;index++){
Hk3HzN3 if(hCallWnd[index]==NULL)
"@`M>)*o continue;
?V*>4A if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
f
( UcJx SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
&+%CC //lParam的意义可看MSDN中WM_KEYDOWN部分
Km\M/j| }
tDIzn`$z }
uiHlaMf }
]1D>3 return CallNextHookEx( hHook, nCode, wParam, lParam );
b/ZX}<s(1= }
`.[hOQ7 $o]suF;3 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
UP, 0`fh(y ,9W 0fm\t BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
t(}&<<1Bz BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
E7*1QR{Q ?&/9b)c S 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
= ng\ {L<t6A LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
nc$?tC9V {
/0@}7+& if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
x-%nnC6e {
Z/Mp=273 //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
S0p]:r";x SaveBmp();
A$1pMG~as return FALSE;
frGUT#9?n }
}14.u&4 …… //其它处理及默认处理
*?\2Ohp }
@h^5*M TR
]lP<m LU;ma((yy[ 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
LJI&j \ m=%W <8[V 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
@6t3Us~/ NK,)"WE 二、编程步骤
U/jJ@8 LM*9b 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
]YOQIzkL4} gvwR16N 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
+Pa!pj/< z X}p4yR7' 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
w8@MUz}/# ~ZvZk 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
" I _T gvsS:4N"Nq 5、 添加代码,编译运行程序。
fnB-?8K< pCpj#+|_) 三、程序代码
'*)!&4f 7&HP2r ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
faMUd#o& #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
6E_YQbdy #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
R`
X$@iM #if _MSC_VER > 1000
c~$ipX #pragma once
CQv
[Od #endif // _MSC_VER > 1000
Tri.>@-u #ifndef __AFXWIN_H__
v,>q]!
|a #error include 'stdafx.h' before including this file for PCH
KP:O]520 #endif
e3(0L I #include "resource.h" // main symbols
L^ +0K}eD class CHookApp : public CWinApp
S3 x:]E: {
mZq*o<kTA public:
4["}U1sG CHookApp();
-u8@ . // Overrides
AY! zXJ_$ // ClassWizard generated virtual function overrides
[r]USCq //{{AFX_VIRTUAL(CHookApp)
dC.uK^FuJ public:
o'H$g% virtual BOOL InitInstance();
'{7A1yJnY% virtual int ExitInstance();
mTs[3opg //}}AFX_VIRTUAL
m{V@Om //{{AFX_MSG(CHookApp)
9k83wACry // NOTE - the ClassWizard will add and remove member functions here.
H;$w^Tr // DO NOT EDIT what you see in these blocks of generated code !
,'ndQ{\9 //}}AFX_MSG
ZS}2(t DECLARE_MESSAGE_MAP()
e?f[t*td };
FE_n+^|k< LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
b!`:|!7r' BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
g5T~%t5lo BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
x"N,oDs BOOL InitHotkey();
[&Qrk8EN BOOL UnInit();
!XtbZ- #endif
S++}kR);
w5&UG/z%l //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
moc_}( #include "stdafx.h"
w1.KRe{M #include "hook.h"
he!e~5<@y #include <windowsx.h>
'\\J95*` #ifdef _DEBUG
0lW}l9}'- #define new DEBUG_NEW
d_OHQpfK #undef THIS_FILE
nGg>lRL static char THIS_FILE[] = __FILE__;
0/),ylCj #endif
iHR?]]RF #define MAX_KEY 100
<Z}2A8mjY #define CTRLBIT 0x04
?6a:!^eL #define ALTBIT 0x02
+nZx{d,wt #define SHIFTBIT 0x01
\.}* s]6 #pragma data_seg("shareddata")
dhV=;'
HHOOK hHook =NULL;
#LcF;1o%o2 UINT nHookCount =0;
[P"#?7 N static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
=0O`VSb static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
6Si z9 static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
wG-X833\( static int KeyCount =0;
5z=;q!3 static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
gx#TRp}- #pragma data_seg()
O'_D*? HINSTANCE hins;
yht_*7.lM void VerifyWindow();
z}kD:A)a BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
rq+E"Uj? //{{AFX_MSG_MAP(CHookApp)
"S*lI^8Z! // NOTE - the ClassWizard will add and remove mapping macros here.
A5/Q:8b // DO NOT EDIT what you see in these blocks of generated code!
:Oy9`vv //}}AFX_MSG_MAP
Dy5'm? END_MESSAGE_MAP()
J6=*F;x6E !m:SRNPg CHookApp::CHookApp()
ECQ>VeP {
U%"v7G- // TODO: add construction code here,
_0ep[r // Place all significant initialization in InitInstance
t13wQt }
:+Y+5:U] l2._Z
Py CHookApp theApp;
F"~uu9u LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
*7`;{O {
^~(@QfY BOOL bProcessed=FALSE;
A]QgX5\sa if(HC_ACTION==nCode)
[gx6e 44 {
QGn3xM66 if((lParam&0xc0000000)==0xc0000000){// Key up
evz{@;.R switch(wParam)
A^*0{F?,) {
%h(J+_"L6 case VK_MENU:
auK*\Wjm? MaskBits&=~ALTBIT;
6XKiVP;h% break;
r3{Cu z case VK_CONTROL:
QS\H[?M$ MaskBits&=~CTRLBIT;
lN-vFna break;
M e_.X_ case VK_SHIFT:
qwoF4_VN MaskBits&=~SHIFTBIT;
|W:xbtPNy break;
criOJ- default: //judge the key and send message
1-.6psE break;
)E;B'^RVR }
ViKN|W>T for(int index=0;index<MAX_KEY;index++){
$oDc if(hCallWnd[index]==NULL)
GHaD32 continue;
WzDL(~m+Z if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
a9}7K/Y=d {
nc4KeEl SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
>cpT_M&C, bProcessed=TRUE;
I!Z=3 $, }
= ss(~[ }
.!/w[Z] }
pMndyuoJl else if((lParam&0xc000ffff)==1){ //Key down
EhB0w; c switch(wParam)
;&RBg+Pr {
Gl;xd case VK_MENU:
~ >6d}7xs MaskBits|=ALTBIT;
RrA9@95+ break;
rvfS[@>v case VK_CONTROL:
rr~O6Db MaskBits|=CTRLBIT;
5e1;m6 break;
FabgJu case VK_SHIFT:
wGy`0c]v? MaskBits|=SHIFTBIT;
&|MdBJ break;
UZvF5Hoe+O default: //judge the key and send message
`X)y5*##wq break;
%JoHc? }
Wz{,N07Q#{ for(int index=0;index<MAX_KEY;index++)
>L4q>S^v {
wB'GV1|jL if(hCallWnd[index]==NULL)
&"lSq2 continue;
-A1@a=q if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
uE E;~`G {
)@(IhU) SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
D`c&Q4$: bProcessed=TRUE;
t9l]ie{"o. }
+-2W{lX }
!1m7^3l7j }
tW-wO[2 if(!bProcessed){
db*yA@2Lg for(int index=0;index<MAX_KEY;index++){
"~2SHM@q if(hCallWnd[index]==NULL)
H^ds<I<) continue;
E5iNuJj=f if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
KwAc Ga}J SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
yRAfIB$T}" }
xyzYY}PS }
[b :0j- }
z&wJ"[nOC return CallNextHookEx( hHook, nCode, wParam, lParam );
D/)E[Fv+ }
4++
&P9 >q&X#E<w BOOL InitHotkey()
9ERyr1-u v {
joA>-k04 if(hHook!=NULL){
YQ|o0> nHookCount++;
gT_tR_g return TRUE;
8hV>Q }
{[pzqzL6 else
%w#z hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
V7<w9MM if(hHook!=NULL)
{F=`IE3)w nHookCount++;
Egt !N return (hHook!=NULL);
)vD: }
{ui{Y c BOOL UnInit()
"M3S {
qm/#kPlM if(nHookCount>1){
~KYA{^`* nHookCount--;
3~%M4( return TRUE;
oH(a*i }
SuA
@S BOOL unhooked = UnhookWindowsHookEx(hHook);
3!op'X! if(unhooked==TRUE){
m1D,#=C,_ nHookCount=0;
Y)68 hHook=NULL;
G:!3X) b }
O/.8;.d;4Y return unhooked;
*X!+wK-+ }
KBDNK_7A P>EG;u@. BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
1RauI0d* {
V]Kk= BOOL bAdded=FALSE;
|JiN;
O+K for(int index=0;index<MAX_KEY;index++){
*7{{z%5Pu if(hCallWnd[index]==0){
s54AM]a{j hCallWnd[index]=hWnd;
+3J5j+ HotKey[index]=cKey;
*JOp)e0b HotKeyMask[index]=cMask;
oXQI"?^+ bAdded=TRUE;
)TcD-Jr KeyCount++;
yujv^2/ break;
p'kB1)~| }
_ xM}*_<VP }
!KtP> `8 return bAdded;
s(:N>K5* }
~
Ofn&[G 8CUl |I ~ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
L*6>S_l[ {
^YB3$:@$U BOOL bRemoved=FALSE;
7g4IAsoD for(int index=0;index<MAX_KEY;index++){
o,qUf if(hCallWnd[index]==hWnd){
{>d\ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
MFz6y":~ hCallWnd[index]=NULL;
&r!jjT HotKey[index]=0;
v<ati c HotKeyMask[index]=0;
$e%m=@ga bRemoved=TRUE;
h$d`Jmaq KeyCount--;
z
J V>; break;
^qtJcMK+hq }
b~;M&Y }
+hIMfhF }
`pXPF}T return bRemoved;
;Ouu+#s }
h`D+NZtWm J@IF='{ void VerifyWindow()
#U6~U6@ {
iwfH~ for(int i=0;i<MAX_KEY;i++){
<%"CQT6g% if(hCallWnd
!=NULL){ #&Zj6en}M]
if(!IsWindow(hCallWnd)){ #"TL*p
hCallWnd=NULL; mpzm6Ieu
HotKey=0; [?n}?0
HotKeyMask=0; zrV~7$HL
KeyCount--; R}$A>)%dx
} qbo
W<W<H1
} }^PdW3O*m,
} ?e hUGvV2
} m</nOf+C
mam(h{f$
BOOL CHookApp::InitInstance() 41o~5:&
{ Bz6Zy)&sAL
AFX_MANAGE_STATE(AfxGetStaticModuleState()); @qB1:==@7
hins=AfxGetInstanceHandle(); I_'0!@Nn7
InitHotkey(); #.<(/D+
return CWinApp::InitInstance(); zg{
} !qJ|`o Y
r%II`
i
int CHookApp::ExitInstance() !{4bC
{ I< Rai"
VerifyWindow(); X-5&c$hv
UnInit(); ,IG?(CK|
return CWinApp::ExitInstance(); {pEbi)CF,}
} XLFo"f
<9Pf]
G=
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file /N`E4bKBR
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) +7bV
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ 0& ?/TSC
#if _MSC_VER > 1000 )-d&XN7
#pragma once eX9H/&g
#endif // _MSC_VER > 1000 b{lkl?@a
8(0q,7)y
class CCaptureDlg : public CDialog QP4`r#,
{ qGKQrb,K
// Construction W\<p`xHk
public: I)F3sS45}
BOOL bTray; X&({`Uw<K
BOOL bRegistered; } T1~fa
BOOL RegisterHotkey(); `K\(I#z
UCHAR cKey; V7i1BR8G
UCHAR cMask; B$%7U><'
void DeleteIcon(); w1P8p>vA1
void AddIcon(); i:,37INMt
UINT nCount; (eJYv:
^
void SaveBmp(); R?$Nl
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 4).>b3OhX
// Dialog Data \%N |
X
//{{AFX_DATA(CCaptureDlg) fF} NPl
enum { IDD = IDD_CAPTURE_DIALOG }; '1yy&QUZq
CComboBox m_Key; ok7yFm1\
BOOL m_bControl; *,d>(\&[f
BOOL m_bAlt; zE\@x+k.
BOOL m_bShift; CGkCLd*s]
CString m_Path; @q]{s+#Xf
CString m_Number; eb>YvC
//}}AFX_DATA Qs.g%
// ClassWizard generated virtual function overrides ghd*EXrF
H
//{{AFX_VIRTUAL(CCaptureDlg) ~wsDg[
public: 53cW`F
virtual BOOL PreTranslateMessage(MSG* pMsg); *PJg~F%
protected: 7J@D})si
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support X#*|_(^
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); C4~`3Mk
//}}AFX_VIRTUAL +aWI"d--h
// Implementation uM9[
protected: r&t)%R@q
HICON m_hIcon; HrZ\=1RB
// Generated message map functions ymLhSF][
//{{AFX_MSG(CCaptureDlg) BI,j/SRK
virtual BOOL OnInitDialog(); 5B'};AQ
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); N{<=s]I%x
afx_msg void OnPaint(); :}Tw+S5
afx_msg HCURSOR OnQueryDragIcon(); 6n.W5
1g(s
virtual void OnCancel(); YkKq}DXj
afx_msg void OnAbout(); !`G7X
afx_msg void OnBrowse(); )TBG-<wt
afx_msg void OnChange(); /f7Fv*z/
//}}AFX_MSG N +9`'n^x
DECLARE_MESSAGE_MAP() 9
1r"-%(r
}; Ta38/v;S
#endif ;@@1$mzK
Et=N`k_gO
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file E(e'qL
#include "stdafx.h" qd B@P
#include "Capture.h" 8S>T1st
#include "CaptureDlg.h" MT,LO<.
#include <windowsx.h> =yfLqU
#pragma comment(lib,"hook.lib") }7Si2S
#ifdef _DEBUG wPDA_ns~
#define new DEBUG_NEW |-hzvuSX
#undef THIS_FILE F(8>"(C
static char THIS_FILE[] = __FILE__; 4RB%r
#endif FqA4 OU
#define IDM_SHELL WM_USER+1 uc@4fn
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); o}:x-Y
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); A(E}2iP9=
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; -#9et30
class CAboutDlg : public CDialog 8bdO-LJ9
{ ;K\2/"$QD
public: ao9#E"BfM
CAboutDlg(); 1k4\zVgi
// Dialog Data /-FV1G,h
//{{AFX_DATA(CAboutDlg) M{G}-QK_.
enum { IDD = IDD_ABOUTBOX }; Gh=I2GSo
//}}AFX_DATA 6WZffB{-TK
// ClassWizard generated virtual function overrides }p*|8$#x"
//{{AFX_VIRTUAL(CAboutDlg) mW'3yM
protected: y@~ VE5N
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support )m;*d7l~p
//}}AFX_VIRTUAL \;~Nj#
// Implementation R;Dj70g
protected: 8b'@_s!_
//{{AFX_MSG(CAboutDlg) q`r| DcN~
//}}AFX_MSG Qf^c}!I
DECLARE_MESSAGE_MAP() >eG<N@13p
}; D(']k?
ugTsI~aE
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) C\5G43`
{ oMg-.!6
//{{AFX_DATA_INIT(CAboutDlg) q-;Y }q
//}}AFX_DATA_INIT N`efLOMl]
} Fdhgm{Y2s
Oe\(=R
void CAboutDlg::DoDataExchange(CDataExchange* pDX) ?H PAX
{ q}L`8(a
CDialog::DoDataExchange(pDX); ^4$4x
//{{AFX_DATA_MAP(CAboutDlg) .o`Io[io
//}}AFX_DATA_MAP =AzPAN#e
} P05`DX}r,
V5ZC2H
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) ,uC-^T
|n
//{{AFX_MSG_MAP(CAboutDlg)
:2nsi4
// No message handlers Cs>` f,o
//}}AFX_MSG_MAP Sk+XBX(}
END_MESSAGE_MAP() C `_/aR6
\ZADY.ha
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) iS+"Jsz
: CDialog(CCaptureDlg::IDD, pParent) I{dy,\p
{ Ed u(dZbKg
//{{AFX_DATA_INIT(CCaptureDlg) RKzty=j4
m_bControl = FALSE; %:`v.AG
m_bAlt = FALSE; $]_SPu
m_bShift = FALSE; 'u v=D
m_Path = _T("c:\\"); ?&wrz
m_Number = _T("0 picture captured."); YRVh[Bqg`
nCount=0; \;N+PE
bRegistered=FALSE; %dPk,Ylz
bTray=FALSE; }_KzF~
//}}AFX_DATA_INIT 5n2!Y\
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 %]I#]jR
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); lfDd%.:q4S
} nE8z1hBUq
K'
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) ^
34Ng
{ EF:ec9 .
CDialog::DoDataExchange(pDX); D^O[_/i&
//{{AFX_DATA_MAP(CCaptureDlg) 2fr%_GNu
DDX_Control(pDX, IDC_KEY, m_Key); J@/4CSCR]
DDX_Check(pDX, IDC_CONTROL, m_bControl); =5Db^
DDX_Check(pDX, IDC_ALT, m_bAlt); CA igV$
DDX_Check(pDX, IDC_SHIFT, m_bShift); kbb!2`F!%
DDX_Text(pDX, IDC_PATH, m_Path); [ K/l;Zd
DDX_Text(pDX, IDC_NUMBER, m_Number); -y!Dg6A
//}}AFX_DATA_MAP =nCA=-Jv
} QxW+|Gt._
L @T/4e./
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) 79>x/jZka
//{{AFX_MSG_MAP(CCaptureDlg) z{OL+-OY
ON_WM_SYSCOMMAND() eGQ4aQhi
ON_WM_PAINT() 3_
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ON_WM_QUERYDRAGICON() K>.}>)0
ON_BN_CLICKED(ID_ABOUT, OnAbout) D+uo gRS61
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) 7WmLC
ON_BN_CLICKED(ID_CHANGE, OnChange) s:6K'*
//}}AFX_MSG_MAP (v?@evQ
END_MESSAGE_MAP() I-!7 EC2{!
tZ62T{, a
BOOL CCaptureDlg::OnInitDialog() E8kD#tL
{ 0(+<uo~6p1
CDialog::OnInitDialog(); &M@ .d$<C
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 2H$](k?
ASSERT(IDM_ABOUTBOX < 0xF000); BTr
oe=R
CMenu* pSysMenu = GetSystemMenu(FALSE); Ue Ci{W
if (pSysMenu != NULL) KB~[nZs7
{ vT{(7m!Ra
CString strAboutMenu; )2y [#Blo
strAboutMenu.LoadString(IDS_ABOUTBOX);
'{cND
if (!strAboutMenu.IsEmpty()) ek5j;%~g1
{ moFrNcso
pSysMenu->AppendMenu(MF_SEPARATOR); ;C*2Djb*n
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); ^n~Kr1}nj
} ]p+KN>1e
} Cw:|(`9
SetIcon(m_hIcon, TRUE); // Set big icon [.|& /O
SetIcon(m_hIcon, FALSE); // Set small icon [K
#$W
m_Key.SetCurSel(0); ~H \P0G5GA
RegisterHotkey(); C&0f8PnD
CMenu* pMenu=GetSystemMenu(FALSE); /xgC`]-
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); Ma?uB8o+~
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); a+z>pV|
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); Yl au
return TRUE; // return TRUE unless you set the focus to a control ~ a2A"#f
} z<t2yh(DF
th*!EFA^o
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) n,2 p)#?
{ k2->Z);X
if ((nID & 0xFFF0) == IDM_ABOUTBOX) *fi`DiO
{ w ;$elXP|
CAboutDlg dlgAbout; pR0!bgC
dlgAbout.DoModal(); V+sZ;$
} %Jl6e}!
else 6E_~8oEl
{ =zAFsRoD_B
CDialog::OnSysCommand(nID, lParam); uh9b!8
} )<J #RgE
} \l0!si
D3g5#.$,}>
void CCaptureDlg::OnPaint() h;E.y
{ ,>(X}Q
if (IsIconic()) }@$CS5w
{ nY;Sk#9
CPaintDC dc(this); // device context for painting .yTo)t
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); #r>)A
// Center icon in client rectangle hUi5~;Q5Fi
int cxIcon = GetSystemMetrics(SM_CXICON); ;gHcDnH)
int cyIcon = GetSystemMetrics(SM_CYICON); DZESvIES
CRect rect; 0 "@J*e#
GetClientRect(&rect); CPsl/.$tC
int x = (rect.Width() - cxIcon + 1) / 2; "6WJj3hN
int y = (rect.Height() - cyIcon + 1) / 2; XH0Vs.w
// Draw the icon +c]D2@ctG
dc.DrawIcon(x, y, m_hIcon); B[&l<*O-y
} n~>b}DY
else k%-y\WM
{ [4;_8-[Nv
CDialog::OnPaint(); Wvd-be
} ]*$o qn=m
} ~tNk\Kkv
XkW@"pf&Fh
HCURSOR CCaptureDlg::OnQueryDragIcon() /HqD4GDoug
{ g-x;a0MQx
return (HCURSOR) m_hIcon; e7Gb7c~
} <#Fex'4
o+^e+ptc
void CCaptureDlg::OnCancel() S._h->5f
{ Q[`2?j?
if(bTray) 0^2e^qf
DeleteIcon(); <)O>MI'
4
CDialog::OnCancel(); (*6m^
} 7v_i>_m]
](W5.a,-$L
void CCaptureDlg::OnAbout() eOm< !H
{ 9Uha2o
CAboutDlg dlg; ZfPd0 p
dlg.DoModal(); yiVG ]s
} S&4+ e:K
Wy<[(Pd
void CCaptureDlg::OnBrowse()
7%}ay
{ l{Jt s I
CString str; ZFS7{:
BROWSEINFO bi; '>j<yaD'
char name[MAX_PATH]; X^}A*4j
ZeroMemory(&bi,sizeof(BROWSEINFO)); Y1{B c<tC
bi.hwndOwner=GetSafeHwnd(); .'|mY$U~]
bi.pszDisplayName=name; g(aZT#i i=
bi.lpszTitle="Select folder"; \dRzS@l
bi.ulFlags=BIF_RETURNONLYFSDIRS; ep+
LPITEMIDLIST idl=SHBrowseForFolder(&bi); ?Jt$a;
if(idl==NULL) _!n}P5
return; ^=EjadVQ
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); 5|ic3
str.ReleaseBuffer(); o`bo#A
m_Path=str; }e<'BIME
if(str.GetAt(str.GetLength()-1)!='\\') x#VyQ[ok
m_Path+="\\"; c=6ahX}d
UpdateData(FALSE); H@{Objh1
} aG%kmS&fv
;UYc
void CCaptureDlg::SaveBmp() 57~Uqt
{ V vu(`9u]
CDC dc; 9)`amhf>
dc.CreateDC("DISPLAY",NULL,NULL,NULL); N{8"s&