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:
P'^& SK
-"rANP-UI 一、实现方法
^hcK& '^`iF,rg 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:
wZVLpF+7 XT?wCb41R #pragma data_seg("shareddata")
Clb7=@f HHOOK hHook =NULL; //钩子句柄
7(d#zu6n UINT nHookCount =0; //挂接的程序数目
*dN_=32u static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
KM?w{ ~9 static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
:7~DiH:Q
static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
mVEIHzk2b static int KeyCount =0;
;3XOk+ static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
6)c-s|# #pragma data_seg()
{YG qa$+\ p'A43 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
wLzV#8> VTwQD"oB DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
Nw{Cu+AwG iJ`zWpj+{Q BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
/>wE[` cKey,UCHAR cMask)
a7!{`fR5 {
L;WFHIE BOOL bAdded=FALSE;
0BH-kr for(int index=0;index<MAX_KEY;index++){
3$S~!fh if(hCallWnd[index]==0){
ZW4$Ks2]Y hCallWnd[index]=hWnd;
a(kY,<} HotKey[index]=cKey;
v
6s]X*l? HotKeyMask[index]=cMask;
Rg^ps bAdded=TRUE;
!%[fi[p KeyCount++;
hj}PL break;
Nt\0) &b }
^*w}+tB }
9h/Hy aN return bAdded;
.>Qa3,v5 }
v#EFklOP //删除热键
[8Fn0A BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
k136n#KN1 {
Ri\\Yb BOOL bRemoved=FALSE;
"L!U7|9J for(int index=0;index<MAX_KEY;index++){
'uF75C if(hCallWnd[index]==hWnd){
:| !5d{8S8 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
ZQ>Q=eCs 1 hCallWnd[index]=NULL;
9Y@ eXP HotKey[index]=0;
a?xZsR HotKeyMask[index]=0;
P EMBh?)g bRemoved=TRUE;
dL_9/f4 KeyCount--;
M2\c0^R break;
I E{:{b\ }
^#IE
t# }
Wt=\hixj- }
Z1Qv>@u return bRemoved;
K>C@oE[W }
DIfQ~O+u GG"6O_ 'Yi="kno DLL中的钩子函数如下:
!^o{}*]Pi 56MY@ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
YrYmPSb= {
7dv! BOOL bProcessed=FALSE;
3 NFo=Z8 if(HC_ACTION==nCode)
y` {|D* {
iXq*EZb"R if((lParam&0xc0000000)==0xc0000000){// 有键松开
*Q)-"]O(k switch(wParam)
%'X~9Pvi {
r*dNta< case VK_MENU:
Ud7Z7?Ym MaskBits&=~ALTBIT;
1xu~@v60 break;
]s!id[j case VK_CONTROL:
94^b"hU MaskBits&=~CTRLBIT;
7&D)+{g break;
CO9PQ`9+ case VK_SHIFT:
mHV{9J MaskBits&=~SHIFTBIT;
R:3=!zav break;
UNK.39 default: //judge the key and send message
Nukyvse break;
V]GF53D }
tfu`_6 for(int index=0;index<MAX_KEY;index++){
!
,{zDMA if(hCallWnd[index]==NULL)
b^&azUkMN continue;
bWSc&/9y if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
9 )!} {
JU.!< SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
$7W5smW/ bProcessed=TRUE;
[$pb }
z>\l%_w }
|>[qC O }
q]?)c else if((lParam&0xc000ffff)==1){ //有键按下
H%etYpD switch(wParam)
G0~Z|P {
_RUL$Ds case VK_MENU:
^*.+4iHx MaskBits|=ALTBIT;
hlZ{bO'f break;
SM%/pu; case VK_CONTROL:
D.Cn`O} MaskBits|=CTRLBIT;
jm@,Ihz=wI break;
*8uS,s6g case VK_SHIFT:
ecQ{ePoU MaskBits|=SHIFTBIT;
l($8HAJ break;
R\XS5HOE( default: //judge the key and send message
p2k`)=iX break;
"}#%h&, }
\*'@F+ for(int index=0;index<MAX_KEY;index++){
TLp2a<Iy if(hCallWnd[index]==NULL)
a
DXaQ continue;
}2;iIw` if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
<:NahxIlu {
'=%`;?j SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
vm{8x o bProcessed=TRUE;
K0>+-p oL }
1KbZ6Msy }
S,ea[$_ }
MBU|<tc if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
x0jaTlU/ for(int index=0;index<MAX_KEY;index++){
-*Rf [|Z if(hCallWnd[index]==NULL)
w-2#CX8jY continue;
PTLlLa85< if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
"(vK.-T SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
^1vKhO+p$ //lParam的意义可看MSDN中WM_KEYDOWN部分
2~l7WW+lx, }
I>JE\## ^n }
rsLkH&aM }
Dr(2@0P return CallNextHookEx( hHook, nCode, wParam, lParam );
vz>9jw:Y }
a!/\:4-uc c;Tp_e@ 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:
x,]x>Up U\B9Ab BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
6wj o:I BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
9(OeH7 T/2k2r4PD 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:
]jC{o,?s t72u%M6 LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
}A,!|m4 {
M_Q`9 if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
</D.}ia {
}Hq3]LVE //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
E:dN) SaveBmp();
W] DGt|JP return FALSE;
ygH )U. }
Bpm COA …… //其它处理及默认处理
WW{_D }
'W4B ?jUgDwc(w /3Gq&[R{ 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。
|aAyWK S &M<"Fmn 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。
TWGn:mi ~3M8"}X;L 二、编程步骤
,zr9* t :9ia|lN
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";
HR"clD\{Di yj#FO'UY 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
{Ji&rk}NP )B"{B1( 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;
d'ZB{'[8p /;d 5p 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;
x {Utf$| yP"}(!~m 5、 添加代码,编译运行程序。
|;xEKnF d~r A`!s7` 三、程序代码
.?5
~zK 036m\7+Qj ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
utuWFAGn A #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
;tVd+[8 #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
r7g@(K #if _MSC_VER > 1000
gaz",kK< #pragma once
:Ae#+([V #endif // _MSC_VER > 1000
`^[Tu 1 #ifndef __AFXWIN_H__
0)g]pG8&ro #error include 'stdafx.h' before including this file for PCH
V 0Oqq0\ #endif
}BU%<5CQ #include "resource.h" // main symbols
6vAZLNG3 class CHookApp : public CWinApp
B>>_t2IU {
`|>]P"9yp public:
dm[cl~[
Q CHookApp();
b@8z+,_ // Overrides
cZ|NGkZ // ClassWizard generated virtual function overrides
;$zvm`|: //{{AFX_VIRTUAL(CHookApp)
.Z'NH
wCy public:
\%Y`>x. virtual BOOL InitInstance();
\A011R& virtual int ExitInstance();
VBPtM{g //}}AFX_VIRTUAL
F nXm;k,9* //{{AFX_MSG(CHookApp)
uA[
: // NOTE - the ClassWizard will add and remove member functions here.
TP {\V>*Yz // DO NOT EDIT what you see in these blocks of generated code !
^.iRU'{ //}}AFX_MSG
@ Do.Wgt DECLARE_MESSAGE_MAP()
O50<h O]l };
\V!{z;.fA LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
Pg:xC9w4 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
&z40l['4bz BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
0$c(<+D BOOL InitHotkey();
ut\X{.r7 BOOL UnInit();
aT IzfqCM #endif
No6-i{HZ .U=x2txb //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
zps=~| #include "stdafx.h"
/7\q#qIm: #include "hook.h"
Qt{){uE #include <windowsx.h>
mY/"rm #ifdef _DEBUG
<(@S;?ZEW #define new DEBUG_NEW
He'VqUw_ #undef THIS_FILE
5NUaXQ static char THIS_FILE[] = __FILE__;
l$\B>u,> #endif
qhvT," #define MAX_KEY 100
T=u"y;&L #define CTRLBIT 0x04
p *42
@1, #define ALTBIT 0x02
}(!Uq #define SHIFTBIT 0x01
qMVuFwPhi #pragma data_seg("shareddata")
!;(Wm6~*ad HHOOK hHook =NULL;
()Kaxcs?+ UINT nHookCount =0;
kN1R8| pv static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
vJGH8$%;, static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
/huh}&NNu static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
-O?HfQ static int KeyCount =0;
]58~b%s static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
Cy uRj[;B #pragma data_seg()
Be@g|'r HINSTANCE hins;
R|(X_A void VerifyWindow();
I50LysM BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
1c#\CO1l //{{AFX_MSG_MAP(CHookApp)
B-]bhA4|: // NOTE - the ClassWizard will add and remove mapping macros here.
Mz(?_7 // DO NOT EDIT what you see in these blocks of generated code!
S-o)d //}}AFX_MSG_MAP
P HOngn END_MESSAGE_MAP()
q x1Js3% _[z)%`kay CHookApp::CHookApp()
~K #92 {
R,78}7B // TODO: add construction code here,
8CRbo24"s // Place all significant initialization in InitInstance
h7fytO }
N}%AUm/L V6[jhdb CHookApp theApp;
%La7);SeY LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
9y&;6V.' {
Xw'sh#i2 BOOL bProcessed=FALSE;
$8U$.~v if(HC_ACTION==nCode)
S@3`H8 [ {
~ !mY0odH if((lParam&0xc0000000)==0xc0000000){// Key up
v{|y,h&]a switch(wParam)
$dKfUlO {
WO9vOS> case VK_MENU:
@OT$* Qh MaskBits&=~ALTBIT;
>Tl/3{V break;
@d~]3T case VK_CONTROL:
/cx'(AT MaskBits&=~CTRLBIT;
!y~nsy:&7x break;
dtY8>klI case VK_SHIFT:
`ql8y ' MaskBits&=~SHIFTBIT;
E_A5KLP break;
d2i?FT> default: //judge the key and send message
!2HF|x$ break;
,.(:b82$ }
BC_<1
c for(int index=0;index<MAX_KEY;index++){
YHom9&A if(hCallWnd[index]==NULL)
K<::M3eQ continue;
dF 6od if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
j*|0#q;e6 {
ktynIN SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
ca3zY|Oo bProcessed=TRUE;
h>*3i# }
G)[gLD{g? }
xLFMC?I }
$rk=#;6]v; else if((lParam&0xc000ffff)==1){ //Key down
*rw6?u9I switch(wParam)
LlgFQfu8 {
H'udxPF case VK_MENU:
hM!g6\ w MaskBits|=ALTBIT;
zj2y=A|Y break;
z7XI`MZN^ case VK_CONTROL:
oXht$Q MaskBits|=CTRLBIT;
~Azj Y 8 break;
Ig?9"{9p case VK_SHIFT:
Zy9IRZe4U MaskBits|=SHIFTBIT;
/*fx`0mY) break;
)K]p^lO default: //judge the key and send message
J5jI/P break;
h(AL\9{=} }
R"HV|Dm|m for(int index=0;index<MAX_KEY;index++)
`u_MdB}<x; {
,Nw2cv}D if(hCallWnd[index]==NULL)
&E0^Jz continue;
I>l^lv&[+ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Wf8@B#^{ {
_8y4U[L SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
.p=J_%K}0x bProcessed=TRUE;
0[d*Z }
X=f %! }
Ws2?sn#x }
vs+aUT C\ if(!bProcessed){
lY@2$q9BT for(int index=0;index<MAX_KEY;index++){
|ITCw$T if(hCallWnd[index]==NULL)
Q.jThP`p continue;
>)NS U if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
'L7u` SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
=2(52#pT }
q'y<UyT6 }
J9tV|0 }
_]ZlGq!L return CallNextHookEx( hHook, nCode, wParam, lParam );
j~.tyxOq# }
x\ #K2 i9qIaG/ BOOL InitHotkey()
sl@>GbnS {
4HZXv\$ if(hHook!=NULL){
XABP}|aWK nHookCount++;
TYR \K return TRUE;
9^H.[t }
h,&{m*q& else
ep},~tPZn hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
u' kG(<0Y if(hHook!=NULL)
EQpF:@_ nHookCount++;
AFBWiuwI3 return (hHook!=NULL);
`5(F'o }
iT|7**+3 BOOL UnInit()
u.n'dF- {
S?JGg.) if(nHookCount>1){
vN_ 8qzWk nHookCount--;
e, 2/3jO return TRUE;
9dAtQwGR"6 }
`S-%}eUv BOOL unhooked = UnhookWindowsHookEx(hHook);
+!ljq~% if(unhooked==TRUE){
n,s7!z/ nHookCount=0;
4,R"(ej hHook=NULL;
b?,%M^9\` }
FAc^[~E return unhooked;
[r Nd7-j < }
a
@3s71 -'D~nd${ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
T4}Wg=UKg {
`bV&n!Y_ BOOL bAdded=FALSE;
':tdb$h for(int index=0;index<MAX_KEY;index++){
K8[Um!( if(hCallWnd[index]==0){
k$f2i,7' hCallWnd[index]=hWnd;
(dyY@={q HotKey[index]=cKey;
F(lJ HotKeyMask[index]=cMask;
9I<~t@q5e@ bAdded=TRUE;
}!Pty25j KeyCount++;
umnQ$y
0 break;
=w`uZ;l$Q }
w 2U302TZ }
Gl|n }wo$ return bAdded;
B6Ajcfy }
\k"Ct zoX A*/8j\{n BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
~UeTV?) {
XHJ`C\xR BOOL bRemoved=FALSE;
YIgHLM( for(int index=0;index<MAX_KEY;index++){
\ %MsG if(hCallWnd[index]==hWnd){
[YODyf}M>\ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
KkpbZ7\@ hCallWnd[index]=NULL;
BAvz @H HotKey[index]=0;
o6~JAvw HotKeyMask[index]=0;
\Z42EnJ bRemoved=TRUE;
`s
UY$Q KeyCount--;
`[}X_d 1A break;
}><[6Uz% }
9MI9$s2y }
Z'!ORn#M }
{{M/=WqC return bRemoved;
}hg2}g99 }
W4k$m2 s>\^dtG7 void VerifyWindow()
B@dCCKc%/ {
^"=G=* / for(int i=0;i<MAX_KEY;i++){
*ej< 0I{ if(hCallWnd
!=NULL){ KDGrX[L:6
if(!IsWindow(hCallWnd)){ +|X`cmnuU
hCallWnd=NULL; J}8p}8eF,
HotKey=0; O(=9&PRi
HotKeyMask=0; ]&D=*:c
KeyCount--; -Edy ~;_
} |nLq4.
} p"jze3mF
} i_r708ep6
} o37oR v]
Pn.DeoHme
BOOL CHookApp::InitInstance() u=]*,,5<
{ yk5K8D[tV
AFX_MANAGE_STATE(AfxGetStaticModuleState()); < Mu`,Kv*
hins=AfxGetInstanceHandle(); H%rNQxA2 +
InitHotkey(); 5|pF*8*
return CWinApp::InitInstance(); #$2/<
} }
d8\ Jg
Qhc;Zl
int CHookApp::ExitInstance() #l:
1R&F
{ ErJ@$&7
VerifyWindow(); BV7P_!vt
UnInit(); X2%(=B
return CWinApp::ExitInstance(); ohe[rV>EX
} W+"^! p|
0MxK+8\y
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file SVd@-
'-K
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) >35w"a7S
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ _$D!"z7i
#if _MSC_VER > 1000 h.ftl2>
#pragma once }KIS_krs
#endif // _MSC_VER > 1000 ,tyPZR_
C%]qK(9vvd
class CCaptureDlg : public CDialog #s\kF *
{ SRk!HuXh
// Construction UyV5A
public: $>yfu=]?
BOOL bTray; "cBqZzkk9j
BOOL bRegistered; Lq;iR
BOOL RegisterHotkey(); d-tg^Ot#
UCHAR cKey; ,t wB" *
UCHAR cMask; gg%)#0Zi
void DeleteIcon(); ^_P?EJ,)`
void AddIcon(); Qf~$9?z
UINT nCount; z;<~j=lP
void SaveBmp(); &Q}%b7
CCaptureDlg(CWnd* pParent = NULL); // standard constructor )b2O!p
// Dialog Data !P^Mo> "
//{{AFX_DATA(CCaptureDlg) ~re}6-?
enum { IDD = IDD_CAPTURE_DIALOG }; |_8l9rB5ip
CComboBox m_Key; <1>6!`b4
BOOL m_bControl; 9"gu>
BOOL m_bAlt; m}RZ)c
BOOL m_bShift; Z~-N'Lt{
CString m_Path; Y(kf<Wo
CString m_Number; >.K%W*t
//}}AFX_DATA P\6:euI
// ClassWizard generated virtual function overrides iZeq
l1O
//{{AFX_VIRTUAL(CCaptureDlg) W,CAg7:*
public: ' F9gp!s8~
virtual BOOL PreTranslateMessage(MSG* pMsg); &<uLr
*+*
protected: +YW;63"o
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support iJ8Z^=>
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); )mBYW}} T
//}}AFX_VIRTUAL `G`R|B
// Implementation leH7II9
protected: VR&dy|5BO
HICON m_hIcon; X_@|+d
// Generated message map functions $HQ4 o\~
//{{AFX_MSG(CCaptureDlg) Ny/eYF#
virtual BOOL OnInitDialog(); v3M$UiN,:
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); .43cI(
afx_msg void OnPaint(); F4z#u2~TC
afx_msg HCURSOR OnQueryDragIcon(); Vym0|cW
virtual void OnCancel(); w"dKOdY
afx_msg void OnAbout(); ~ *"iLf@,
afx_msg void OnBrowse(); YCxwIzIR
afx_msg void OnChange(); V|sV U
//}}AFX_MSG Khc^q*|C)
DECLARE_MESSAGE_MAP() gVzIEE25
}; `t)9u^[<(
#endif y'4Qt.1ukN
Q/0gd? U?
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file nC%qdzT
#include "stdafx.h" 1kL8EPT%o
#include "Capture.h" \'Et)uD*
#include "CaptureDlg.h" wW)(mY?
#include <windowsx.h> (Y7zaAG]
#pragma comment(lib,"hook.lib") sw$uZ$$~#
#ifdef _DEBUG L{8_6s(:
#define new DEBUG_NEW FibZT1-k
#undef THIS_FILE Rky]F+J
static char THIS_FILE[] = __FILE__; V8B4e4F
#endif d*gv.mE
#define IDM_SHELL WM_USER+1 <n#X~}i)
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); -wg}X-'z0
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); W~D_+[P|_
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; u|Mx}
class CAboutDlg : public CDialog +D]raU
{ 0D@ $
public: -/{FGbpR;
CAboutDlg(); LFHJj-nk
// Dialog Data =_|G q|
//{{AFX_DATA(CAboutDlg) ml1%C%
enum { IDD = IDD_ABOUTBOX }; |M5#jVXj
//}}AFX_DATA !R\FCAW[x
// ClassWizard generated virtual function overrides lbIPtu
//{{AFX_VIRTUAL(CAboutDlg) XJ3sqcS
protected: 7G-?^
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support `{Q'iydU
//}}AFX_VIRTUAL bK~Toz<k
// Implementation *OFG3 uM
protected: &U|c=$!\
//{{AFX_MSG(CAboutDlg) At=d//5FFP
//}}AFX_MSG H#;*kc
a4
DECLARE_MESSAGE_MAP() GK'p$`oJm
}; LPJ7V`!k
b=:u d[h
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) FV
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{ 4FRi=d;mP
//{{AFX_DATA_INIT(CAboutDlg) ~,1Sw7rE
//}}AFX_DATA_INIT b6f OHy
} I]e+5 E0
;]=w6'dP!
void CAboutDlg::DoDataExchange(CDataExchange* pDX) [F+W]Jk,
{ Zc1x"j
CDialog::DoDataExchange(pDX); d:K\W[$Bz
//{{AFX_DATA_MAP(CAboutDlg) F.$z7ee@
//}}AFX_DATA_MAP =ejU(1 g
} Yr-SlO>
G|1.qHP[F
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 6 V0Ayxg7
//{{AFX_MSG_MAP(CAboutDlg) A2M(
ad
// No message handlers =#W:z.w
//}}AFX_MSG_MAP 4y7_P0}:B
END_MESSAGE_MAP() bT2G
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) A<)n H=G&
: CDialog(CCaptureDlg::IDD, pParent) 65~E<)UJ
{ 3[fm|aU
//{{AFX_DATA_INIT(CCaptureDlg) eP>_CrJb
m_bControl = FALSE; >;c);|'}q
m_bAlt = FALSE; ~CnnN[g(_
m_bShift = FALSE; g_syGQ\
m_Path = _T("c:\\"); ={P`Tve
m_Number = _T("0 picture captured."); [ZSC]w^
nCount=0; Dbn344s
bRegistered=FALSE; #'s$6gT=
bTray=FALSE; ~KS@Ulrox
//}}AFX_DATA_INIT 9Tt%~m^
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 pK3A/ry<
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); @y;VV*
} .@OQ$D <
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) !9/`PcNIpy
{ QNMZR
CDialog::DoDataExchange(pDX); <>\|hno}
//{{AFX_DATA_MAP(CCaptureDlg) %`5(SC].
DDX_Control(pDX, IDC_KEY, m_Key); raPOF6-_rH
DDX_Check(pDX, IDC_CONTROL, m_bControl); a&8K5Z%0
DDX_Check(pDX, IDC_ALT, m_bAlt); >tcEx(
DDX_Check(pDX, IDC_SHIFT, m_bShift); OU,FU@6,7w
DDX_Text(pDX, IDC_PATH, m_Path); X<;.
DDX_Text(pDX, IDC_NUMBER, m_Number); l6HtZ(
//}}AFX_DATA_MAP ekyCZ8iai
} (cLK hn@
&]n }fq
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) t(*n[7e
//{{AFX_MSG_MAP(CCaptureDlg) 6Oy:5Ps8a
ON_WM_SYSCOMMAND() 6;'[v}O^^
ON_WM_PAINT() P knOeW"j
ON_WM_QUERYDRAGICON() X|hYZR
ON_BN_CLICKED(ID_ABOUT, OnAbout) LQPQ !):;
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) R'c dEoy
ON_BN_CLICKED(ID_CHANGE, OnChange) M+
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//}}AFX_MSG_MAP x7zc3%T's
END_MESSAGE_MAP() ]z^jz#>um&
cl^UFlf[
BOOL CCaptureDlg::OnInitDialog() V[/9?5pM
{ 06.%9R{
CDialog::OnInitDialog(); ,ZJ}X 9$<
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); w ea
ASSERT(IDM_ABOUTBOX < 0xF000); q][kD2
CMenu* pSysMenu = GetSystemMenu(FALSE); n&;JW6VQS
if (pSysMenu != NULL) G=17]>U
{ [l5jPL}6
CString strAboutMenu; ~q566k!Ll!
strAboutMenu.LoadString(IDS_ABOUTBOX); 9/0H,qZc
if (!strAboutMenu.IsEmpty()) PDD2ouv4
{ `S|F\mI~
pSysMenu->AppendMenu(MF_SEPARATOR); $GRw k>N
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 9abUh3
} Bn&P@C$7
} fL2P6N@
SetIcon(m_hIcon, TRUE); // Set big icon JE9v+a{7
SetIcon(m_hIcon, FALSE); // Set small icon ZNw|5u^N
m_Key.SetCurSel(0); )m7%cyfC
RegisterHotkey(); D|ze0A@
CMenu* pMenu=GetSystemMenu(FALSE); o!UB x<4
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); 2: gh q
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); ivo><"Y(r
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); M8WjqTq
return TRUE; // return TRUE unless you set the focus to a control 0<`qz |_h
} G^d3$7
/P,1KVQPh
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) 7/<~s]D[%
{ TzaeE
if ((nID & 0xFFF0) == IDM_ABOUTBOX) e#HPU
{ =A6*;T"W
CAboutDlg dlgAbout; kQ\ $0=6N9
dlgAbout.DoModal(); q$"u<
} ?pEPwc
else e5bXgmyil
{ g]&fyB#
CDialog::OnSysCommand(nID, lParam); 5"nq
h}5
} vOlfyH>
} 4utwcXL
m=9b/Nr4
void CCaptureDlg::OnPaint() 1r>]XhRFZ
{ ~fkcal1@
if (IsIconic()) Z]b;%:>=
{ .c]>*/(+
CPaintDC dc(this); // device context for painting )Q`Ycz-
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); =a,qRO
// Center icon in client rectangle x] wi&
int cxIcon = GetSystemMetrics(SM_CXICON); `e'wWV
int cyIcon = GetSystemMetrics(SM_CYICON); FA,n>
CRect rect; o$L%t@
GetClientRect(&rect); |E6_TZ#=
int x = (rect.Width() - cxIcon + 1) / 2; c+3(|k-M
int y = (rect.Height() - cyIcon + 1) / 2; 87! jn'A
// Draw the icon dnD@BQ
dc.DrawIcon(x, y, m_hIcon); >|%3j,<U
} [6l0|Y
else F;#$Q
{ Gz{%Z$A~o
CDialog::OnPaint(); kB@gy}
} Lm}.+.O~d
} ?=Ceo#Er
AAa7)^R
HCURSOR CCaptureDlg::OnQueryDragIcon() vcQl0+&
{ Tfh2>
return (HCURSOR) m_hIcon; =A,B'n\R
} `G!HGzVx;j
4$VDJ
void CCaptureDlg::OnCancel() 5OWyxO3{
{ ++b[>};
if(bTray) k vZ w4Pk
DeleteIcon(); =!SV;^-q
CDialog::OnCancel(); 1]''@oh{6U
} Ld.9.d]
nQV0I"f]?]
void CCaptureDlg::OnAbout() $#f_p-N
{ 1#3|PA#>
CAboutDlg dlg; wyX3qH
dlg.DoModal(); nyPeN?-
} )lLeL#]FLO
7Q|<6210
void CCaptureDlg::OnBrowse() :8OT
{ 8:c=h/fa
CString str; vzs4tkG
BROWSEINFO bi; fWJpy#/^*K
char name[MAX_PATH]; DQK?y=vf
ZeroMemory(&bi,sizeof(BROWSEINFO)); [(Z(8{3i
bi.hwndOwner=GetSafeHwnd(); ^=^\=9"
b
bi.pszDisplayName=name; ~3M4F^
bi.lpszTitle="Select folder"; RYCiO,+
bi.ulFlags=BIF_RETURNONLYFSDIRS; j17h_ a;
LPITEMIDLIST idl=SHBrowseForFolder(&bi); `Ns@W?
if(idl==NULL) !{+CzUo@
return; 99*k&mb
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); j|pTbOgk%
str.ReleaseBuffer(); TOG4=y-N
m_Path=str; ?`e@ o?
if(str.GetAt(str.GetLength()-1)!='\\') GFLat
m_Path+="\\"; `>UUdv{C
UpdateData(FALSE); >z%YKdq
} }I
uqB*g[t
}&/>v' G
void CCaptureDlg::SaveBmp() nxhlTf>3
{ :y7K3:d3
CDC dc; &C