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:
M6*{#Y?
N$&ePU J 一、实现方法
Cj 2Xl 3@`H<tP'6o 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
x0h3jw+6 ![]I%'s #pragma data_seg("shareddata")
)c >B23D HHOOK hHook =NULL; //钩子句柄
/+t[, UINT nHookCount =0; //挂接的程序数目
&:I
+]G/W static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
LZC?383' static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
y2$;t' static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
H..ZvGu static int KeyCount =0;
d74g|`/ static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
!GGGh0Bj #pragma data_seg()
niHL/\7u jJ"EGFa8 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。
}`N2ZxC0AQ u1{ym_ 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:
Wmjz KCl m?VRX.> BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
m_"p$m; cKey,UCHAR cMask)
TBKd|D'H {
2ZG1n# BOOL bAdded=FALSE;
_| for(int index=0;index<MAX_KEY;index++){
GP[r^Z if(hCallWnd[index]==0){
,;iBeqr5 hCallWnd[index]=hWnd;
@fH&(@ HotKey[index]=cKey;
](=wlq) HotKeyMask[index]=cMask;
4JZHjf0M6 bAdded=TRUE;
s>VEuLY* KeyCount++;
Sj{ia2AE_ break;
rt^45~ }
C9F+e }
N.{jM[\F return bAdded;
VHT@s7u0" }
f3TlJ!!U //删除热键
K>cz63}S BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
L=HVdeE {
|^PLZ> BOOL bRemoved=FALSE;
sjzXJ`s for(int index=0;index<MAX_KEY;index++){
Sn0gTsZ if(hCallWnd[index]==hWnd){
p=~h|(M| if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
l/ rZcf8z hCallWnd[index]=NULL;
xeHb89GnoQ HotKey[index]=0;
Lubs{-5lk HotKeyMask[index]=0;
*Cnq2=A]A bRemoved=TRUE;
ft/^4QcyAM KeyCount--;
Y
<Znv%M break;
mheU#&| }
1n`1o-&l- }
.^LL9{? }
D=~B7b: return bRemoved;
1U7,X6=~ }
.b#9q6F-/ 2b#(X'ob D!RE-w92X DLL中的钩子函数如下:
(}C^_q:7d fNqmTRu LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
7SK3 {
%[nR|a< BOOL bProcessed=FALSE;
.IH@_iX if(HC_ACTION==nCode)
wt}%2x} x {
MxgLztY if((lParam&0xc0000000)==0xc0000000){// 有键松开
Sn(l$wk= switch(wParam)
[{@zb-h {
[X }@Ct6 case VK_MENU:
W ~Jzqp9g MaskBits&=~ALTBIT;
i$bzdc#s break;
XD^dlL case VK_CONTROL:
G*(K UG> MaskBits&=~CTRLBIT;
*t.q m5h break;
L%WME8PB case VK_SHIFT:
afY _9g!\ MaskBits&=~SHIFTBIT;
*"5N>F[L break;
W`N} default: //judge the key and send message
;vJ\]T ml break;
2Io6s' }
v\%B for(int index=0;index<MAX_KEY;index++){
m4"N+_j if(hCallWnd[index]==NULL)
3ximNQ}S continue;
9k\)tWe if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
ut$,?k!M {
Hwp{< SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
(LRM~5KVg bProcessed=TRUE;
7$ =Y\P }
~{4n}* }
Y$`eg|$ }
qX5yN| A4 else if((lParam&0xc000ffff)==1){ //有键按下
;}/U+`=D? switch(wParam)
fVDDYo2\ {
%AG1oWWc>. case VK_MENU:
3I"NI.>* MaskBits|=ALTBIT;
*K(k Kph break;
FjZc#\^9 case VK_CONTROL:
E.J0fwyT MaskBits|=CTRLBIT;
`ke3+%uj o break;
9c6czirwR^ case VK_SHIFT:
J3e:Y! MaskBits|=SHIFTBIT;
/2;dH]o0 break;
Xnv@H:$mxk default: //judge the key and send message
&~~aAg break;
+Qh[sGDdY }
F$Im9T6 for(int index=0;index<MAX_KEY;index++){
D XV@DQ if(hCallWnd[index]==NULL)
7}4'dW. continue;
<nWKR, if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
, 3X: ) {
TN35CaSmq SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
ZfPd0 p bProcessed=TRUE;
jt{9e:2% }
>Mvka;T] }
~x|aoozL }
~:>AR` 9G if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
L[?nST18% for(int index=0;index<MAX_KEY;index++){
Kt
W6AZJ if(hCallWnd[index]==NULL)
{p`mfEE( continue;
q,B3ru.?d if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
e>l,(ql SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
FR
x6c //lParam的意义可看MSDN中WM_KEYDOWN部分
E *F*nd]K }
9>by~4An? }
&{%MjKJ._ }
v6s\Z\v)Q` return CallNextHookEx( hHook, nCode, wParam, lParam );
:qKF58W }
}q% jO &]P"48NT 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:
nPcS3!7B# :{LAVMG&^ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
'LVn^TB_f& BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
\dRzS@l 6M ^IwE 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:
Ji;SY{~kv ' .B.V?7 LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
Q%ruQ# {
vUNisVA if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
N&T:Lt_N {
yN*:.al //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
o=pt_!i/ SaveBmp();
CqqXVF3 return FALSE;
R7K!A
% }
B?LXI3sQZ …… //其它处理及默认处理
25:Z;J> }
ddsUz1%l dY} pN" bpCNho$ 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。
h#i\iK&A C+w__gO&r 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。
Z@3l%p6V '>@4(=I 二、编程步骤
LP:nba : $5,~JYcb 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
!tEe\K\e 9)+@0fG) 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
-G9|n#zCU ]q{
PDZ
3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
6v to++ y&"!m} 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
n~tqO!q {<2>6 _z 5、 添加代码,编译运行程序。
hd
B
|#t #,L~w 三、程序代码
7^$)VBQ/ '0|o`qoLzA ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
7JUb Va% #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
z}ElpT[(; #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
0DNU,u #if _MSC_VER > 1000
#^6^ #pragma once
9R
p2W #endif // _MSC_VER > 1000
)MZC>: #ifndef __AFXWIN_H__
yGTziv! #error include 'stdafx.h' before including this file for PCH
$r\"6e #endif
<} ,1Ncl #include "resource.h" // main symbols
x4m 5JDC class CHookApp : public CWinApp
O:Va&Cyj* {
I"@p aLZ public:
q"akrI38 CHookApp();
['cz;2{:W // Overrides
4KXc~eF[M" // ClassWizard generated virtual function overrides
XphE loL //{{AFX_VIRTUAL(CHookApp)
!:WW public:
[4*1}}gW%5 virtual BOOL InitInstance();
BOvF)4` virtual int ExitInstance();
y,E.SB //}}AFX_VIRTUAL
s)zJT //{{AFX_MSG(CHookApp)
u%u&F^y // NOTE - the ClassWizard will add and remove member functions here.
_;hf<|c // DO NOT EDIT what you see in these blocks of generated code !
OfTfNhpK //}}AFX_MSG
w{!(r DECLARE_MESSAGE_MAP()
PU1,DU };
A%u_&a}
LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
b9~A-Z BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
9sSN<7 BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
`'i( U7? BOOL InitHotkey();
$7Z)Yp&T BOOL UnInit();
~S*b #endif
v4rW2F:X Fv8f+)k)Z~ //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
7"4z+w #include "stdafx.h"
nv0#~UgE#a #include "hook.h"
PT'MNH #include <windowsx.h>
|4;UyHh #ifdef _DEBUG
|A\a4f'G #define new DEBUG_NEW
3Bd X #undef THIS_FILE
` qUX. static char THIS_FILE[] = __FILE__;
o(!@7Lqq #endif
jq-l5})h #define MAX_KEY 100
/vxm"CJR #define CTRLBIT 0x04
+l E90y #define ALTBIT 0x02
Ag9?C* #define SHIFTBIT 0x01
:"Y*<=x#2 #pragma data_seg("shareddata")
Vi*e@IP/ HHOOK hHook =NULL;
g^7MMlY% UINT nHookCount =0;
;=4Xz\2 static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
q_V0+qH static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
tyh@^7 static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
W/fuKGZi_ static int KeyCount =0;
.fAv*pUzU static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
M}O}:1Par #pragma data_seg()
wSEWwU[ HINSTANCE hins;
0hY{<^"Y void VerifyWindow();
v6GPS1:a BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
i#/]KsSp //{{AFX_MSG_MAP(CHookApp)
!|
#83 // NOTE - the ClassWizard will add and remove mapping macros here.
Jrxz'9qRG // DO NOT EDIT what you see in these blocks of generated code!
&@% $2O.3 //}}AFX_MSG_MAP
Qm4o7x{q END_MESSAGE_MAP()
A1"SLFY x79Ha, CHookApp::CHookApp()
CyDV r {
<\ `$Jx# // TODO: add construction code here,
GZip\S4Y // Place all significant initialization in InitInstance
A\fb< }
v{aq`uH :Dt~e| CHookApp theApp;
-
e"jw#B LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
.,0b E {
=WIJ>#Go< BOOL bProcessed=FALSE;
1v zb8. if(HC_ACTION==nCode)
#bX9Tu0 {
99xEm if((lParam&0xc0000000)==0xc0000000){// Key up
-fS.9+k0/ switch(wParam)
EV pi^>M {
#|[
M?3 case VK_MENU:
6eFp8bANN# MaskBits&=~ALTBIT;
7aV%=_ break;
<-'$~G j case VK_CONTROL:
XI<L; MaskBits&=~CTRLBIT;
ag-f{UsTy break;
H@bf'guA|B case VK_SHIFT:
nKa$1RMO MaskBits&=~SHIFTBIT;
f>`dF?^6 break;
1y#D?R=E default: //judge the key and send message
3cdTed-MIh break;
a2IgC25 }
ryB}b1`D for(int index=0;index<MAX_KEY;index++){
'2^7-3_1 if(hCallWnd[index]==NULL)
>P6BW continue;
7%f&M>/ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
L){iA-k;Ec {
\K`L3*cBKK SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
5GA C`}} bProcessed=TRUE;
,R%q}IH# }
M?m,EQh. }
^=>Tk$ _2 }
2c6g>? else if((lParam&0xc000ffff)==1){ //Key down
@+3kb.P%7 switch(wParam)
*g?Po+ef% {
Xtt?] case VK_MENU:
wO?{?+I`q MaskBits|=ALTBIT;
"&/-N[is break;
)nL`H^ case VK_CONTROL:
svxw^0~a MaskBits|=CTRLBIT;
Mmpfto%i break;
_XCOSomL` case VK_SHIFT:
I:K"'R^ MaskBits|=SHIFTBIT;
PB;eHy break;
3k#~yaoI default: //judge the key and send message
y;_% W break;
Pj}66. }
UMAgA!s for(int index=0;index<MAX_KEY;index++)
Zm6{n' {
,) J~ ,^f6 if(hCallWnd[index]==NULL)
9IX/wm" continue;
lXcx@#~ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
o2<#s)GpY {
:oJ=iB'Zc SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
'Ut7{rZ5 bProcessed=TRUE;
hjZKUMG(k }
6DH~dL_",% }
"g$IP9?U }
/p8dZ+X if(!bProcessed){
O,Cb"{qH8 for(int index=0;index<MAX_KEY;index++){
nBk)WX&[K if(hCallWnd[index]==NULL)
uj :%#u continue;
BNL;Biyt7 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
H\TI[JPAl SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
g$b<1:8 }
dC RyOid$ }
/~zai} }
yUpgoX(6 return CallNextHookEx( hHook, nCode, wParam, lParam );
FCnm1x# }
hCC<?5q (1#J% BOOL InitHotkey()
Q%xC}||1s" {
C=eF.FB;' if(hHook!=NULL){
yu;P +G
nHookCount++;
xg3:} LQ return TRUE;
\B,(k< }
r zt Ru else
ZIQ
[bE7 hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
hEp(A8g)bQ if(hHook!=NULL)
uD^cxD nHookCount++;
yU9DSY\m{ return (hHook!=NULL);
]*AR,0N& }
{WYX~Mvvj BOOL UnInit()
ZpnxecJUJ {
Za1QC;7 if(nHookCount>1){
K*~0"F>"0 nHookCount--;
H ' return TRUE;
3f,hw5R }
/pT=0= BOOL unhooked = UnhookWindowsHookEx(hHook);
B]Thn if(unhooked==TRUE){
Q\ 0cvmU nHookCount=0;
#3gp6*R hHook=NULL;
1,% R;7J=g }
{GQ^fu;q return unhooked;
INJEsz }
0$ S8fF@
NxsBX:XDn BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
!wNr3LG {
2.l:O2< BOOL bAdded=FALSE;
tNbN7yI for(int index=0;index<MAX_KEY;index++){
!6*"( if(hCallWnd[index]==0){
S[J}UpV hCallWnd[index]=hWnd;
_no*k?o* HotKey[index]=cKey;
?vbvBu{a HotKeyMask[index]=cMask;
Z'.AA OG bAdded=TRUE;
~XOTs KeyCount++;
xCc[#0R{ break;
fTK3,s1= }
?`PvL!' }
lE4HM$p
return bAdded;
_sTROd)Vh }
)8$=C#qC[ ^G}47( BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
rR(X9i {
OWg(#pZk BOOL bRemoved=FALSE;
QC}CRkp for(int index=0;index<MAX_KEY;index++){
'Wmx)0) if(hCallWnd[index]==hWnd){
\RC'XKQ*n if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
5Ou`z5S\k hCallWnd[index]=NULL;
woK&q 7Vn HotKey[index]=0;
|l]XpWV HotKeyMask[index]=0;
@eKec1< bRemoved=TRUE;
ddJe=PUb KeyCount--;
/7Cc#P6 break;
"W955?4m }
W*),y: }
<^5Z:n!q }
t*1fLumXR return bRemoved;
9
a!$z!. }
x"~8*V'0 qKr8)}h void VerifyWindow()
~d|A!S` {
m8d!<
h for(int i=0;i<MAX_KEY;i++){
Dv5D~on{ if(hCallWnd
!=NULL){ #_^Lb]jkM
if(!IsWindow(hCallWnd)){ e#$]Y?,
hCallWnd=NULL; vunHNHltW0
HotKey=0; jtW!"TOY
HotKeyMask=0; S.-TOE
KeyCount--; '!!CeDy
} !
|<Fo'U
} kuszb~`zPY
} Oi8.8M
} b*c*r dTx
*zbNd:i9
BOOL CHookApp::InitInstance() |B.Y6L6l
{ P-y jN
AFX_MANAGE_STATE(AfxGetStaticModuleState()); W{6|tx)
hins=AfxGetInstanceHandle(); Y5- F@(
InitHotkey(); /
F4z g3
return CWinApp::InitInstance(); N"Zt47(
} @#T|Y&
$_"'&zQ'
int CHookApp::ExitInstance() 7q?,
?
{ 3Q.#c,`jV
VerifyWindow(); PNgY>=Y
UnInit(); lrlgz[
return CWinApp::ExitInstance(); Czs8!S
} 1\
o59Y
Yg%I?
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file v&DI`xn~
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) ]hk
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ )rxX+k+b/
#if _MSC_VER > 1000 I9_RlAd
#pragma once D#cyOrzy
#endif // _MSC_VER > 1000 RzE_K'M
saBVgSd
class CCaptureDlg : public CDialog ]%@M>?Ywc
{ 4i)1'{e
// Construction fg_4zUGM+g
public: .,<1%-R34q
BOOL bTray; J\twZ>w~0
BOOL bRegistered; ^c"jH'#.L
BOOL RegisterHotkey(); '3/4?wi
UCHAR cKey; vdivq^%=a
UCHAR cMask; {6|38$Rl
void DeleteIcon(); H1|?t+oP
void AddIcon(); ype$ c
UINT nCount; `2("gUCm
void SaveBmp(); PUT=C1,OFR
CCaptureDlg(CWnd* pParent = NULL); // standard constructor !/'t5~x[
// Dialog Data <J<{l
//{{AFX_DATA(CCaptureDlg) _S<3\%(0
enum { IDD = IDD_CAPTURE_DIALOG }; *+Ek0M
CComboBox m_Key; ,w<S|#W~+
BOOL m_bControl; md)c0Bg8~
BOOL m_bAlt; 4tRYw0f47
BOOL m_bShift; k]F[>26k
CString m_Path; Xv ]W(f1
CString m_Number; FtP0krO(
//}}AFX_DATA XixL R
// ClassWizard generated virtual function overrides ?uzRhC_)!
//{{AFX_VIRTUAL(CCaptureDlg) Elcj tYu4
public: s4X>.ToMC
virtual BOOL PreTranslateMessage(MSG* pMsg); k:t]s_`<
protected: 2VmNZ{<
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support LO9=xGj.
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); (-UYB9s
//}}AFX_VIRTUAL >)fi^
// Implementation q/4J.jL
protected: 9UdM`v)(
HICON m_hIcon; rK' L6o
// Generated message map functions EH+"~-v)ae
//{{AFX_MSG(CCaptureDlg) !Q2d(H>
virtual BOOL OnInitDialog(); XRM_x:+]
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); $v4.sl:x
afx_msg void OnPaint(); JFcLv=U
afx_msg HCURSOR OnQueryDragIcon(); ugdQAg
virtual void OnCancel(); ^S4d:-.3
afx_msg void OnAbout(); dI.WK@W'o
afx_msg void OnBrowse(); w1Nm&}V
afx_msg void OnChange(); M8MRoA6F
//}}AFX_MSG u@W|gLT1
DECLARE_MESSAGE_MAP() hO\<%0F
}; .F4>p=r
#endif GFj{K
=)0,#9k U]
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file OcR$zlgs[v
#include "stdafx.h" %<\vGqsM
#include "Capture.h" mitHT :%r2
#include "CaptureDlg.h" 8g@<d^8@
#include <windowsx.h> <GS^
#pragma comment(lib,"hook.lib") q(
#ifdef _DEBUG t6bV?nc
#define new DEBUG_NEW bkOv2tZ
#undef THIS_FILE Q3kdlxXR
static char THIS_FILE[] = __FILE__; -]0OKE&
#endif =Gpylj7?~
#define IDM_SHELL WM_USER+1 ^n*)7K[
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); f%is~e~wc
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); Uf:`
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; R/~p>apg8
class CAboutDlg : public CDialog 6dq(T_eG
{ ne>pOK<vZ
public: epA:v|S
CAboutDlg(); 5Yg'BkEr
// Dialog Data 9'fQHwsJ
//{{AFX_DATA(CAboutDlg) Bd!bg|uO*
enum { IDD = IDD_ABOUTBOX }; Z^bQ^zk-
//}}AFX_DATA D$w6V
// ClassWizard generated virtual function overrides tqz3zIQ
//{{AFX_VIRTUAL(CAboutDlg) 3+)J
@(a
protected: 3]5^r}
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support #3i3G(mQ
//}}AFX_VIRTUAL 29;?I3<
*
// Implementation G?L HmTHg
protected: q$0*b]=E
//{{AFX_MSG(CAboutDlg) Mo|;'+
//}}AFX_MSG nD_GL
DECLARE_MESSAGE_MAP() |U:k,YH
}; r<9Iof4
j@n)kPo,1
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) k$ 4y9{
{ f}o\*|k_|
//{{AFX_DATA_INIT(CAboutDlg) td(li.,
//}}AFX_DATA_INIT >~''&vdsk\
} z6KCv(zvB
]0Y4U7W
void CAboutDlg::DoDataExchange(CDataExchange* pDX) ,82S=N5V!
{ A!od9W6
CDialog::DoDataExchange(pDX); 52@C9Q,
//{{AFX_DATA_MAP(CAboutDlg) /K+r?
]kf
//}}AFX_DATA_MAP rJ`!: f
} p)KheLiZ
&y\prip
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 1h^:[[!c
//{{AFX_MSG_MAP(CAboutDlg) m]'#t)B_m
// No message handlers y*4=c_Z
//}}AFX_MSG_MAP 0pZ4BZdT|
END_MESSAGE_MAP() {j{u6i
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) J4k=A7^N
: CDialog(CCaptureDlg::IDD, pParent) QVv#fy1"6
{ h=W:^@G
//{{AFX_DATA_INIT(CCaptureDlg) %:M^4~dc
m_bControl = FALSE; Ow+GS{-q
m_bAlt = FALSE; LD+{o 4i
m_bShift = FALSE; 216 RiSr*
m_Path = _T("c:\\"); TJ2=m9Z
m_Number = _T("0 picture captured."); {0[tNth'h
nCount=0; >BV^H.SO|1
bRegistered=FALSE; x)
,eI'mf
bTray=FALSE; ]3D0R;
//}}AFX_DATA_INIT b_$4V3TA
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 (o 5s"b
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); EuEZ D+
} =rMUov h
9e<.lb^tP
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) NpE*fR')
{ ^7w+l @
CDialog::DoDataExchange(pDX); `{f}3bO7C
//{{AFX_DATA_MAP(CCaptureDlg) zG }@0
DDX_Control(pDX, IDC_KEY, m_Key); >Rl"
DDX_Check(pDX, IDC_CONTROL, m_bControl); DHyq^pJ
DDX_Check(pDX, IDC_ALT, m_bAlt); ZJnYIK
DDX_Check(pDX, IDC_SHIFT, m_bShift); Q$a{\*[:+
DDX_Text(pDX, IDC_PATH, m_Path); U'k*_g
DDX_Text(pDX, IDC_NUMBER, m_Number); 6]&OrS[
//}}AFX_DATA_MAP .6ylZ
} evya7^,F
3$jT*OyG#
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) nXaC3W:"
//{{AFX_MSG_MAP(CCaptureDlg) Ab~3{Q]#
ON_WM_SYSCOMMAND() qFicBpB
ON_WM_PAINT() G'nmllB`]
ON_WM_QUERYDRAGICON() j%Y#(Q>
ON_BN_CLICKED(ID_ABOUT, OnAbout) 1rNzJ;'
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) =T3<gGM
ON_BN_CLICKED(ID_CHANGE, OnChange) |.(dq^
//}}AFX_MSG_MAP ]Oe2JfJwx
END_MESSAGE_MAP() r7RIRg_
R8Wr^s>'
BOOL CCaptureDlg::OnInitDialog() 0%32=k7O[
{ /,BD#|
CDialog::OnInitDialog(); #%pI(,o=
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); h8x MI
ASSERT(IDM_ABOUTBOX < 0xF000); AgWa{.`f:
CMenu* pSysMenu = GetSystemMenu(FALSE); _F4Ii-6
if (pSysMenu != NULL) Wjo[ENHM
{ vt/x
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CString strAboutMenu; ZFiee|,q
strAboutMenu.LoadString(IDS_ABOUTBOX); ](Xb_xMf
if (!strAboutMenu.IsEmpty()) %@<8<6&q
{ fnpYT:%fG
pSysMenu->AppendMenu(MF_SEPARATOR); Y@NNrGDkT*
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); \e:7)R2<!x
} wVvF^VHV^
} %h hfU6[
SetIcon(m_hIcon, TRUE); // Set big icon ]RwpX ^ 1
SetIcon(m_hIcon, FALSE); // Set small icon ,bZL C
m_Key.SetCurSel(0); N,<uf@LQ
RegisterHotkey(); <]6SN
CMenu* pMenu=GetSystemMenu(FALSE); UBv,=v
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); df*#!D7oz
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); 3RigzT3
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); 59 h]UX=
return TRUE; // return TRUE unless you set the focus to a control Ka'=o?'B5
} nB_?ckj,
C>]0YO
k2
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) xI{)6t$`
{ [NF'oRRD9s
if ((nID & 0xFFF0) == IDM_ABOUTBOX) ^NLmgwQ
{ ! :Y:pu0
CAboutDlg dlgAbout; *Hg>[@dP0
dlgAbout.DoModal(); 7dN*lks
} S:u:z=:r
else }V'}E\\
{ 2pZXZ
CDialog::OnSysCommand(nID, lParam); R
&nPj~
} DKH-Q(M56
} ):P?
# ncRb
void CCaptureDlg::OnPaint() d|jNf</`
{ #"}JdBn
if (IsIconic()) |+{)_?
{
&U{#Kt5q
CPaintDC dc(this); // device context for painting C/_ZUF(V
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); @hl.lq
// Center icon in client rectangle jxP;>K7O
int cxIcon = GetSystemMetrics(SM_CXICON); $ux,9H'[
int cyIcon = GetSystemMetrics(SM_CYICON); +*\u :n
CRect rect; 3_C|z,\:
GetClientRect(&rect); pXtl
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int x = (rect.Width() - cxIcon + 1) / 2; ^Xz@`_I
int y = (rect.Height() - cyIcon + 1) / 2; ?#Ge.D~u
// Draw the icon x" 7H5<
dc.DrawIcon(x, y, m_hIcon); |a8iZ9/D6
} B=U 3
else y3vdUauOn
{ !:)s"|=
CDialog::OnPaint(); 3D6RLu
} Zj_b>O-V
} oxr#7Ei0d
yyR0]NzYUD
HCURSOR CCaptureDlg::OnQueryDragIcon() uY0lR:|
{ T!uM+6|Y
return (HCURSOR) m_hIcon; QER?i;-wb
} H
h4WMZJG
at @G/?
void CCaptureDlg::OnCancel() sZ'nYo
{ []D&bYpv
if(bTray) } FE>|1
DeleteIcon(); =-tw5],
L
CDialog::OnCancel(); V#v`(j%
} p$O.>
[
+20G>y=+
void CCaptureDlg::OnAbout() PoNi"Pv
{ S2E8Gq9
CAboutDlg dlg; qjwxhabc
dlg.DoModal(); P)"noG_'i
} #HYr0Tw6`
yZAS# ko}}
void CCaptureDlg::OnBrowse() u\a#{G;Z
{ }pDqe;a{
CString str; 02Y]`CXj
BROWSEINFO bi; xP_cQwm`1
char name[MAX_PATH]; `K*Q5n
ZeroMemory(&bi,sizeof(BROWSEINFO)); w}L]X1#sF
bi.hwndOwner=GetSafeHwnd(); ?yZ+D z\
bi.pszDisplayName=name; FSP+?((
bi.lpszTitle="Select folder"; bw(a6qKK
bi.ulFlags=BIF_RETURNONLYFSDIRS; +00b)TF
LPITEMIDLIST idl=SHBrowseForFolder(&bi); Y1L[;)H n
if(idl==NULL) Uq[>_"}
return; uyO/55;HO
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); B{/R: Hm
str.ReleaseBuffer(); YD<:,|H
m_Path=str; `-.%^eIp
if(str.GetAt(str.GetLength()-1)!='\\') SII;n2[Ze
m_Path+="\\"; r`=+ L-!
UpdateData(FALSE); s kvGU(G}
} dW)B1iUo!
2$9odD<r
void CCaptureDlg::SaveBmp() Ac96
[
{ )(A]Ln4
CDC dc; q6@Lp^f
dc.CreateDC("DISPLAY",NULL,NULL,NULL); v5/~-uRL%
CBitmap bm; @_-hk|Nl@
int Width=GetSystemMetrics(SM_CXSCREEN); $>G8_q
int Height=GetSystemMetrics(SM_CYSCREEN); d+<G1w&