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:
Waj6.PCFm
-Id4P _y 一、实现方法
R7r` (c! IC{\iwO/~c 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:
U}~SY z8G1[ElY #pragma data_seg("shareddata")
}KEyJj3"DA HHOOK hHook =NULL; //钩子句柄
b
lP@Cn2 UINT nHookCount =0; //挂接的程序数目
|,cQJ static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
Fo=Icvo static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
g'ha7~w(p static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
&q^\*<B.^ static int KeyCount =0;
]+<[D2f static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
R?b3G4~ #pragma data_seg()
1N{}G$'Go D>|m8-@] 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
lE=(6Q yl/-! DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
zRd^Uks o|YY,G=C BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
(/UW}$] h cKey,UCHAR cMask)
ijEMS1$=7 {
_CO?HX5ek BOOL bAdded=FALSE;
hCV e05
for(int index=0;index<MAX_KEY;index++){
% 4|* if(hCallWnd[index]==0){
gHpA@jdC* hCallWnd[index]=hWnd;
0}C> e`<' HotKey[index]=cKey;
{}kE=L5 HotKeyMask[index]=cMask;
d]{wZ#x bAdded=TRUE;
|T\`wcP`q KeyCount++;
r"sK@ break;
C62:G+W&o }
&TJMop Vn }
X |zQZ<CO return bAdded;
Hof@,w }
meey5} //删除热键
r6S-G{o BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
XVr>\T4 {
QVLv}w`O BOOL bRemoved=FALSE;
z*n for(int index=0;index<MAX_KEY;index++){
wCw-EGLR if(hCallWnd[index]==hWnd){
%Xc50n2Z if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
sQUJ]h hCallWnd[index]=NULL;
3D32'KO_" HotKey[index]=0;
NbgK#; HotKeyMask[index]=0;
zGzeu)d bRemoved=TRUE;
N^</:R KeyCount--;
5x856RQ' break;
nwuH:6~" }
eB%hP9=:x }
XrP'FLY o }
B_R
J;.oH return bRemoved;
;w>Dqem }
vP6NIcWC3 t|-TG\Q X t6u>_She DLL中的钩子函数如下:
;e
Iqxe> x-27rGN LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
&O8vI,M {
riw0w BOOL bProcessed=FALSE;
7q\& if(HC_ACTION==nCode)
RP[^1 {
2E5n07, if((lParam&0xc0000000)==0xc0000000){// 有键松开
+g %h,@ switch(wParam)
! |4fww {
cxX/ b, case VK_MENU:
LX f r MaskBits&=~ALTBIT;
U}f"a! break;
DBTeV-G9~R case VK_CONTROL:
OM,Dy&Y MaskBits&=~CTRLBIT;
h0**[LDH break;
*rKj%Me case VK_SHIFT:
<"/b 5kc MaskBits&=~SHIFTBIT;
QguRU|y break;
7`eg;s^ default: //judge the key and send message
(<GBhNj=c break;
S
$j"'K }
WxPu{N for(int index=0;index<MAX_KEY;index++){
*^[m?3"W if(hCallWnd[index]==NULL)
*<r\:g continue;
P+ejyl, if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
#h=pU/R {
a|}v?z\ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
@S?`!=M bProcessed=TRUE;
Q9T/@FX }
`r#]dT[g }
hk*@<ff }
<S[]VXy else if((lParam&0xc000ffff)==1){ //有键按下
BjX*Gm6l switch(wParam)
,4W~CkLD {
%u=b_4K"j case VK_MENU:
kPRG^Ox8e MaskBits|=ALTBIT;
6&oaxAp<s break;
<Wrn/%tL case VK_CONTROL:
I{nrOb1G( MaskBits|=CTRLBIT;
q,;8Ka ) break;
S?Y%} case VK_SHIFT:
oS>VN< MaskBits|=SHIFTBIT;
!LI
8Xk break;
DP@F-Q4 default: //judge the key and send message
#(pY~\ break;
K92nh/}y }
6(pa2 for(int index=0;index<MAX_KEY;index++){
0*J},#ba$ if(hCallWnd[index]==NULL)
1&Z#$iD continue;
] 6Y6q])Z if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
x)+ q$FB {
" fXs! SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
9 AWFjoXl" bProcessed=TRUE;
+HDfEo T }
xaN[ru@ }
D( \c?X" }
kR0/jEz
C if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
}[;{@Zn for(int index=0;index<MAX_KEY;index++){
%+pF4f8] if(hCallWnd[index]==NULL)
_-=yD@;[D continue;
$G<!+^T if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
`8 Ann~Z|k SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
E$"`|Df //lParam的意义可看MSDN中WM_KEYDOWN部分
Sdzl[K/} }
0{^ 0>H0 }
e6`g[Ap }
6N\f>c return CallNextHookEx( hHook, nCode, wParam, lParam );
[AHoTlPZ }
R4_BP5+ dDrzO*a\ 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:
q<XleC fK/|0@B8 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
>,6%Y3 BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
Zdfruzl&` ]Uj7f4)k 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:
aG&t gD{ OC6v%@xa LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
uqHI/4 {
0<[g7BbR if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
vJ?j#Ch {
r91b]m3xL //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
[gaB}aLn SaveBmp();
j&-<e7O= return FALSE;
)NLjv=ql }
P.
Kfoos …… //其它处理及默认处理
bZ SaL^^( }
ugV/#v O o}b_`O WSxE/C|[ 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。
6s.>5}M!
7`J= PG$A 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。
!sVW0JS h nPR*mbW 二、编程步骤
cI\&&<>SlG Oil~QAd, 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";
"'3QKeM1 ' e:rL. 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
$!goM~pZ ,a34=, 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
"1wjh=@z .b|!FWHNS 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
fR&x5Ika0 X1XmaO%A 5、 添加代码,编译运行程序。
">FuCvQ qFE(H1hy 三、程序代码
Mi<l;ZP N{&Hq4^c ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
exxH0^ #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
F-=Xbyr3@ #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
Ake$M^Bz #if _MSC_VER > 1000
Yln[ZmK9g #pragma once
!NO)|N> #endif // _MSC_VER > 1000
aZ'(ar: #ifndef __AFXWIN_H__
|hD)=sCj #error include 'stdafx.h' before including this file for PCH
g[L}puN #endif
P$v9 #include "resource.h" // main symbols
y=&^=Zh[ class CHookApp : public CWinApp
LI9
Uc\ {
\Lg{GN. public:
c[+uwO~ CHookApp();
|>/m{L[ // Overrides
%7A?gY81 // ClassWizard generated virtual function overrides
[_-[S //{{AFX_VIRTUAL(CHookApp)
GK&R,q5} public:
'M35L30 virtual BOOL InitInstance();
H~;s$!lG virtual int ExitInstance();
(R]b'3,E$ //}}AFX_VIRTUAL
n{"e8vQx //{{AFX_MSG(CHookApp)
u>*d^[zS // NOTE - the ClassWizard will add and remove member functions here.
%9OVw#P // DO NOT EDIT what you see in these blocks of generated code !
Ay|K>8z //}}AFX_MSG
]$)U~)T
iW DECLARE_MESSAGE_MAP()
=gAn;~ };
&hnKBr(Lw LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
L=&dJpyfT BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
y q6:7< BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
%\B@!4] BOOL InitHotkey();
M7.H;.? BOOL UnInit();
~j yl #endif
{JtfEna /Jc54d //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
)@_5}8 #include "stdafx.h"
$Dm|ol.Z #include "hook.h"
A>C8whx #include <windowsx.h>
,&LGAa #ifdef _DEBUG
O4oI&i 7 #define new DEBUG_NEW
nEgYypwr #undef THIS_FILE
4Un%p7Y~ static char THIS_FILE[] = __FILE__;
;3&HZq6Z ( #endif
Gj&`+!\ #define MAX_KEY 100
S\0?~l"} #define CTRLBIT 0x04
:+Tvq,/" #define ALTBIT 0x02
Xz!O}M{4 #define SHIFTBIT 0x01
\<%?=C'w~ #pragma data_seg("shareddata")
JgMYy,q8t HHOOK hHook =NULL;
<_#a%+5d UINT nHookCount =0;
}CQ)W1mO" static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
.$zo_~ mR static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
&+" )~2
+ static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
H'?dsc static int KeyCount =0;
!Q=xIS
static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
^oDSU7j5, #pragma data_seg()
UF;iw HINSTANCE hins;
zXGi void VerifyWindow();
k3UKGP1 BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
zhVkn]z~* //{{AFX_MSG_MAP(CHookApp)
Qsg([K // NOTE - the ClassWizard will add and remove mapping macros here.
wZb77 // DO NOT EDIT what you see in these blocks of generated code!
Qq<+QL | //}}AFX_MSG_MAP
eT@,QA(3 END_MESSAGE_MAP()
k? !'OHmBL )KKmV6>b CHookApp::CHookApp()
B`?5G\7L {
v4VP7h6uD) // TODO: add construction code here,
z K6'wL!!I // Place all significant initialization in InitInstance
}TG=ZVi }
=j~Xrytn &6^QFqqW`- CHookApp theApp;
<nJ8%aY, LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
]]50c {
'7UIzk| BOOL bProcessed=FALSE;
XX'mM v if(HC_ACTION==nCode)
`J-&Y2_/k {
%YwIR.o if((lParam&0xc0000000)==0xc0000000){// Key up
@(any^QJ switch(wParam)
}5=tUfh)]' {
li&&[=6A case VK_MENU:
)BmO[AiOM MaskBits&=~ALTBIT;
p* tAwl break;
6MmkEU z case VK_CONTROL:
5^Ps(8VbS MaskBits&=~CTRLBIT;
J'@`+veE break;
.iZo/_ case VK_SHIFT:
`Zd\d:Wyv MaskBits&=~SHIFTBIT;
2py
[P break;
}\]J?I+ A default: //judge the key and send message
F~x>\?iN break;
c3C<P }
MXrh[QCU) for(int index=0;index<MAX_KEY;index++){
7
|Q;E|=-Y if(hCallWnd[index]==NULL)
LIfYpn6 continue;
R_B`dP<"~Y if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
A x'o|RE)x {
"w:?WS SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
!c;BOCqa bProcessed=TRUE;
|`Iispn }
jn+BH3e }
Bb*P);#.K }
-}9># <v else if((lParam&0xc000ffff)==1){ //Key down
~
}?*v} switch(wParam)
X^)vZL? {
qORRpWyx& case VK_MENU:
Mc<O ~ MaskBits|=ALTBIT;
ObSRd$M break;
A3Oe=rB case VK_CONTROL:
8Lr&-w8J MaskBits|=CTRLBIT;
UOcO\EA+ break;
o>o! -uf case VK_SHIFT:
>rid3~ MaskBits|=SHIFTBIT;
TyN]P a break;
R3@luT] default: //judge the key and send message
VTJxVYE break;
Q$8K-5U% }
hv#|dI=kZR for(int index=0;index<MAX_KEY;index++)
HB,
k}Q {
G$-[(eu- if(hCallWnd[index]==NULL)
;CLOZ{ continue;
@aUQy; if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
E{xcu9 {
Fm4)|5 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
UpS7>c7s bProcessed=TRUE;
zaG1 }
.?)gn]# }
DgODTxiX }
"RLv{D<)J, if(!bProcessed){
$n* wS, for(int index=0;index<MAX_KEY;index++){
cCO2w2A[* if(hCallWnd[index]==NULL)
)=%TIkeF continue;
##BfI`FJ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
_7b' i6- SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
\&b1%Asyz }
P;
9{; }
1i/&t[ }
Lb} $)AcC return CallNextHookEx( hHook, nCode, wParam, lParam );
GDY=^r }
$M| /<Yz;\:Jy BOOL InitHotkey()
NM4b]> {
o+F<
r# if(hHook!=NULL){
bz|-x"qk nHookCount++;
dT'd C return TRUE;
?XB[awTD~ }
R_2T" else
J4#rOS hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
Qz`v0"'w if(hHook!=NULL)
6D/K=- nHookCount++;
Q|(G - return (hHook!=NULL);
m#`1.5% }
d'k99(vy BOOL UnInit()
v`Yj) {
5DmW5w'p if(nHookCount>1){
{3eg4j.Z nHookCount--;
fzZ`O{$8 return TRUE;
D] +]Br8 }
{8T/;K@ BOOL unhooked = UnhookWindowsHookEx(hHook);
Pd04 if(unhooked==TRUE){
2k M;7: nHookCount=0;
4x|\xg(
l hHook=NULL;
4KB>O)YNg' }
E-Y4TBZ* return unhooked;
Pzte!]B }
Sc9}WU bPVQ- BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
v /x~L$[ {
R3hyz~\x& BOOL bAdded=FALSE;
PauF)p for(int index=0;index<MAX_KEY;index++){
GBYwS{4 if(hCallWnd[index]==0){
):7mK03J hCallWnd[index]=hWnd;
'q\[aKEX= HotKey[index]=cKey;
J=6(
4> HotKeyMask[index]=cMask;
"ifv1KZ# bAdded=TRUE;
L~{3W KeyCount++;
W]I+Rlv)U break;
Wgb L9'}B }
HcCT=x7: }
Ot;)zft return bAdded;
(D2N_l(`< }
T!Nv f"R'Q|7D BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
(O"-6`w[ {
^NXxMC(e+ BOOL bRemoved=FALSE;
]h%~'8g, for(int index=0;index<MAX_KEY;index++){
'a G`qPB if(hCallWnd[index]==hWnd){
N2.Ym;^ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
xjh(;S' hCallWnd[index]=NULL;
r<5i HotKey[index]=0;
Y|cj&<o HotKeyMask[index]=0;
gN.n_! bRemoved=TRUE;
c'
Q4Fzj0' KeyCount--;
_~bG[lX ! break;
mr>dZ) }
ffR<G&"n~b }
z!aU85y }
nrKir return bRemoved;
@1s
2#)l( }
3|PV. _*++xF1 void VerifyWindow()
th%T(D5n {
Wo{4*~f for(int i=0;i<MAX_KEY;i++){
[Gc9
3PA7q if(hCallWnd
!=NULL){ Q!{,^Qb
if(!IsWindow(hCallWnd)){ tHV+#3h
hCallWnd=NULL; uZa)N-=b2
HotKey=0; v)JS4KS
HotKeyMask=0; !q 9PO
KeyCount--; RV),E:?
} xwojjiV
} 4 {+47=n
} x:+]^?}r
} a xz-H`oq4
X*t2h3"}
BOOL CHookApp::InitInstance() -nqq;|%
{ <3laNk
AFX_MANAGE_STATE(AfxGetStaticModuleState()); auAwZi/
hins=AfxGetInstanceHandle(); t'[`"pp=
InitHotkey(); ~z'Y(qG
return CWinApp::InitInstance(); H`
h]y
} R%6KxN)+@
{R?VB!dR
int CHookApp::ExitInstance() Z@0IvI
{ ufJHC06
VerifyWindow(); q<Y#-Io%3
UnInit(); \?vn0;R4
return CWinApp::ExitInstance(); !d&SVS^mo
} Rbcu5.6
H@'u$qr$:
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file ~:99
)AOM
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) 84/#,X!=s
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ l:*.0Tj
#if _MSC_VER > 1000 -'T^gEd)c
#pragma once cToT_Mk
#endif // _MSC_VER > 1000 ^bECX<,H
iN1_T
class CCaptureDlg : public CDialog _Uhl4Mh
{ rC6@
]
// Construction 7MIrrhk
public: +iw4>0pi
BOOL bTray; o\X|\nUk
BOOL bRegistered;
CP
Ju=
BOOL RegisterHotkey(); Va^(cnwa
UCHAR cKey; yC7lR#N8j0
UCHAR cMask; u5tUm
void DeleteIcon(); HqXS-TG
void AddIcon(); $V;0z~&!'
UINT nCount; _Zus4&'
void SaveBmp(); P?J\pJ1|7
CCaptureDlg(CWnd* pParent = NULL); // standard constructor q-qz-cR
// Dialog Data EP{/]T
//{{AFX_DATA(CCaptureDlg) (#nB90E{*
enum { IDD = IDD_CAPTURE_DIALOG }; P>'29$1'
CComboBox m_Key; lQpl8>
BOOL m_bControl; D&1(qi=x&
BOOL m_bAlt; bT`et*]
BOOL m_bShift; 0qL.Rnt
CString m_Path; e?:1wU
CString m_Number; WQsu}_g5y
//}}AFX_DATA .f`KP!p.
// ClassWizard generated virtual function overrides "Iacs s0;
//{{AFX_VIRTUAL(CCaptureDlg) V!QC.D<
public: d'[q2y?6N
virtual BOOL PreTranslateMessage(MSG* pMsg); z\>ZgRi~n
protected: Gm=e;X;r
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support r%%@~ \z
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); @ssT$#)$!
//}}AFX_VIRTUAL ]>[0DX]j
// Implementation XRi37|p
protected: eg"A?S
HICON m_hIcon; [X ]XH
// Generated message map functions KxDfPd+j[
//{{AFX_MSG(CCaptureDlg) o_&Qb^W
virtual BOOL OnInitDialog(); |k]fY*z(
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); [<X ~m
afx_msg void OnPaint(); 4jC7>mE
afx_msg HCURSOR OnQueryDragIcon(); >XW-W
virtual void OnCancel(); D[`~=y(
afx_msg void OnAbout(); -fOBM 4
afx_msg void OnBrowse(); S7b7zJ8A
afx_msg void OnChange(); XV1XzG# C
//}}AFX_MSG `Dp4Z>|
K
DECLARE_MESSAGE_MAP() f&
Vx`oj
}; &U\//
#endif qUk-BG8^
zN/nKj: Q
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file T-Yb|@4
#include "stdafx.h" `E|>K\
#include "Capture.h" 0@RVM|
#include "CaptureDlg.h" =b>e4I@
#include <windowsx.h> Fi#
9L
#pragma comment(lib,"hook.lib") MJU*Sq
#ifdef _DEBUG 6u xF<
#define new DEBUG_NEW xW58B
#undef THIS_FILE n>xuef
static char THIS_FILE[] = __FILE__; iB + _+A
#endif @>+`1C
#define IDM_SHELL WM_USER+1 5m\)82s
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); qoEZ>
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); .x1.` Y
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; tg7QX/KX
class CAboutDlg : public CDialog _ o==
{ TWdhl9Ot
public: Tn?D~?a*O
CAboutDlg(); Z9i~>k
// Dialog Data ,r;E[k@
//{{AFX_DATA(CAboutDlg)
p]jG
,S
enum { IDD = IDD_ABOUTBOX }; K4b2)8
//}}AFX_DATA g`4WisL1n
// ClassWizard generated virtual function overrides d w'P =8d
//{{AFX_VIRTUAL(CAboutDlg) 8:K_S a%
protected: XpPcQIM*
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support n(_wt##wE~
//}}AFX_VIRTUAL Z8Tb43?
// Implementation G`f|#-}
protected: cbW=kQc_
//{{AFX_MSG(CAboutDlg) q NUd "%S
//}}AFX_MSG VH] <o0
DECLARE_MESSAGE_MAP() |(uo@-U
}; V-18~+F~"a
n!U1cB{
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 6n
H'NNS:J
{ IiV]lxiE]
//{{AFX_DATA_INIT(CAboutDlg) QT4vjz+|
//}}AFX_DATA_INIT 6t gq.XL^n
} a!.Y@o5Ku
k=X)axt1
void CAboutDlg::DoDataExchange(CDataExchange* pDX) uM9Gj@_
{ [K1z/ea)V
CDialog::DoDataExchange(pDX); /as+ TU`A
//{{AFX_DATA_MAP(CAboutDlg) m?=J;r"Re
//}}AFX_DATA_MAP P`y.3aK
} (]-RL
A>
ES)_X:\X?V
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) xu>grj
//{{AFX_MSG_MAP(CAboutDlg) 8v6AfTo%
// No message handlers pv^: G;
//}}AFX_MSG_MAP Fe2t[y:8h
END_MESSAGE_MAP() ;8cTy8
ek d[|g
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) xu@xP5GB^
: CDialog(CCaptureDlg::IDD, pParent) jVna;o)
{ 7?8+h
//{{AFX_DATA_INIT(CCaptureDlg) Ym2Ac>I4
m_bControl = FALSE; )Jh:~9L%='
m_bAlt = FALSE; bL|$\'S
m_bShift = FALSE; pxCQ=0k
m_Path = _T("c:\\"); &Y3ZGRT
m_Number = _T("0 picture captured."); 0Y8Cz /$
nCount=0; ()<?^lr33
bRegistered=FALSE; lInf,Q7W
bTray=FALSE; i0~Af`v
//}}AFX_DATA_INIT +kq+x6&
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 fFXnD
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
9&s>RJ
} *P?Rucg
c`oW-K{
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) +y\o^w4sT
{ C%#u2C2
CDialog::DoDataExchange(pDX); u.}H)wt
//{{AFX_DATA_MAP(CCaptureDlg) <(1[n
pS&+
DDX_Control(pDX, IDC_KEY, m_Key); (Mw+SM3<
DDX_Check(pDX, IDC_CONTROL, m_bControl); w,t !<i
DDX_Check(pDX, IDC_ALT, m_bAlt); z7pw~Tqlz
DDX_Check(pDX, IDC_SHIFT, m_bShift); eKRE1DK
DDX_Text(pDX, IDC_PATH, m_Path); biRkqc;
DDX_Text(pDX, IDC_NUMBER, m_Number); 'Jd*r(2d
//}}AFX_DATA_MAP kpMo7n
} #!P>.".
(/ -90u
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) sYB2{w
//{{AFX_MSG_MAP(CCaptureDlg) #Fkp6`Q$x
ON_WM_SYSCOMMAND() <&tdyAT?&
ON_WM_PAINT() E0.o/3Gw6
ON_WM_QUERYDRAGICON() SQ<{X/5
ON_BN_CLICKED(ID_ABOUT, OnAbout) 27MwZz
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) o* e'D7
ON_BN_CLICKED(ID_CHANGE, OnChange) DH)E9HL
//}}AFX_MSG_MAP (4/W)L$
END_MESSAGE_MAP() s%G%s,d
UYzNaw4/x
BOOL CCaptureDlg::OnInitDialog() 9zm2}6r4
{ QkYKm<b
CDialog::OnInitDialog(); NTVaz.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); LtV,djk
ASSERT(IDM_ABOUTBOX < 0xF000); "d2JNFIHb
CMenu* pSysMenu = GetSystemMenu(FALSE); u,]qrlx{
if (pSysMenu != NULL) :Xu9`5
{ Kd*=-
CString strAboutMenu; nuw7pEW@?
strAboutMenu.LoadString(IDS_ABOUTBOX); t
>Rh
if (!strAboutMenu.IsEmpty()) n*9nzx#q
{ Kaji&Ibd
pSysMenu->AppendMenu(MF_SEPARATOR); D-e?;<
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); q``/7
} -]G=Q1 1
} X2{Aa T*M
SetIcon(m_hIcon, TRUE); // Set big icon ,o}CBB! k
SetIcon(m_hIcon, FALSE); // Set small icon AuY*x;~
m_Key.SetCurSel(0); \uZ1Sl
RegisterHotkey(); EXR6Vb,
CMenu* pMenu=GetSystemMenu(FALSE); u(8dsgR
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); 1?G%&X@
X
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); lUw=YM
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); IuMJ-"
return TRUE; // return TRUE unless you set the focus to a control b"Jr_24t3v
} QQD7NN>
x:c'ek
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) g!Ui|]BI9
{ # hw;aQ
if ((nID & 0xFFF0) == IDM_ABOUTBOX) (Dn1Eov
{ h<qi[d4X
CAboutDlg dlgAbout; kV4L4yE
dlgAbout.DoModal(); +}eK8>2
} V7D<'!
else *;Za))
{ En4!-pWHQ
CDialog::OnSysCommand(nID, lParam); O\h%ZLjfO
} #"C!-kS'=
} M|R\[
Zf
3,J{!
void CCaptureDlg::OnPaint() V;gC[7H
{ 40[@d
if (IsIconic()) 0a1Mu>P,
{ 0v``4z2Z
CPaintDC dc(this); // device context for painting P G
zwS
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); .pH 4[~
// Center icon in client rectangle /?a9g>G%N
int cxIcon = GetSystemMetrics(SM_CXICON); aO2zD<d
int cyIcon = GetSystemMetrics(SM_CYICON); L]l?_#*x
CRect rect; s.a @uR^
GetClientRect(&rect); s+ ^1\
int x = (rect.Width() - cxIcon + 1) / 2; /JIVp_-p
int y = (rect.Height() - cyIcon + 1) / 2; Nw%^Gs<~
// Draw the icon 'C @yJf
dc.DrawIcon(x, y, m_hIcon); %BQ?DTtb7'
} W,:j>vg
else 09i77
{ Vddod
CDialog::OnPaint(); ),$^h7[n
} !j3Xzn9
} R_2#7Xs
{c7@`AV]
HCURSOR CCaptureDlg::OnQueryDragIcon() M XuHA?
{ ygd*zy9
return (HCURSOR) m_hIcon; %&J`mq
} #%{
%}unlSTPP
void CCaptureDlg::OnCancel() 5i'KGL
{ "2 D{X
if(bTray) h;mOfF
DeleteIcon(); '-#gQxIpD
CDialog::OnCancel(); Iz&d
S?p_
} ?"kU+tCxg
=@nW;PUZ
void CCaptureDlg::OnAbout() G0Z$p6z
{ !/1~
CAboutDlg dlg; X?] Mzcu
dlg.DoModal();
"#pN
} C;ME"4,(
Hi U/fi`
void CCaptureDlg::OnBrowse() nN>Uh T
{ 2#8PM-3"
CString str; oWggh3eXk
BROWSEINFO bi; dvglh?7d
char name[MAX_PATH]; p*JP='p
ZeroMemory(&bi,sizeof(BROWSEINFO)); ^c"\%!w"O
bi.hwndOwner=GetSafeHwnd(); Psm9hP :m
bi.pszDisplayName=name; nO;ox*Bk+8
bi.lpszTitle="Select folder"; wkp$/IZKMj
bi.ulFlags=BIF_RETURNONLYFSDIRS; Np;tpq~
LPITEMIDLIST idl=SHBrowseForFolder(&bi); r
l;Y7l
if(idl==NULL) COD^osM@
return; 2\gbciJ[{(
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); k8cR`5@PK
str.ReleaseBuffer(); 5nK|0vv%2
m_Path=str; 89W8cJ$yW
if(str.GetAt(str.GetLength()-1)!='\\') >n1UK5QD
m_Path+="\\"; ANR611-a
UpdateData(FALSE); ) P|/<>z
} V1A7hRjxvG
yK mHTjX=
void CCaptureDlg::SaveBmp() Y"dTm;&
{ k1LbWR1%wB
CDC dc; hJX;/~L
dc.CreateDC("DISPLAY",NULL,NULL,NULL); % QaWg2Y=
CBitmap bm; R^.c
int Width=GetSystemMetrics(SM_CXSCREEN); /q!_f!<q4x
int Height=GetSystemMetrics(SM_CYSCREEN); Ey_mK\'
bm.CreateCompatibleBitmap(&dc,Width,Height); WK.,q>#
CDC tdc; nVGOhYn
tdc.CreateCompatibleDC(&dc); YP{mzGdE&