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:
g?gqkoI
yz8-&4YRNd 一、实现方法
Ia'x]#~ SF"#\{cjj 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:
7Zo&+ PaxK^* #pragma data_seg("shareddata")
5^b i
7J HHOOK hHook =NULL; //钩子句柄
@+$cZ3, UINT nHookCount =0; //挂接的程序数目
xl3zy~;M static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
P3i^S_ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
8H7O/n static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
!5?
m static int KeyCount =0;
#n=A)#'my static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
</|)"OD9 #pragma data_seg()
))p$vU3 .#sz|0 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。
}'DC
Q =w?M_[&K) 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 4!kxXf-< WN$R[N BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
sRi?]9JIl cKey,UCHAR cMask)
5GaoJ v {
Z^{+,$H@ BOOL bAdded=FALSE;
"Wo.8 for(int index=0;index<MAX_KEY;index++){
;*W=c if(hCallWnd[index]==0){
IF5sqv hCallWnd[index]=hWnd;
|xp$OL"a HotKey[index]=cKey;
KUF$h Er HotKeyMask[index]=cMask;
~:T3| bAdded=TRUE;
r|*:9|y{"/ KeyCount++;
O+p]3u break;
3R'.}^RN }
``+c`F?5 }
0{-`Th+h return bAdded;
TH<fbd }
4sb )^3T //删除热键
n"mJEkHE BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
{%=S+89l {
nDyvX1] BOOL bRemoved=FALSE;
HmhUc,EC for(int index=0;index<MAX_KEY;index++){
$U ~=.!_du if(hCallWnd[index]==hWnd){
#m[vn^8B]y if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
zwMQXI'k83 hCallWnd[index]=NULL;
`E{;85bDH HotKey[index]=0;
wTHK=n\i HotKeyMask[index]=0;
aZ I>x^X bRemoved=TRUE;
=
vY]G5y KeyCount--;
YfTd break;
4Y`! bT` }
l?})_1v,R }
A
*a{ }
4\&H?:c. return bRemoved;
B"7$!C o }
3?.6K0L W8Ke1(ws& uG2Xkj DLL中的钩子函数如下:
B1x'5S;Bq 2~#ZO?jE6 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
I h5/=_n {
)WaX2uDA? BOOL bProcessed=FALSE;
nwY2BIB if(HC_ACTION==nCode)
<dq,y> {
Coga-: 2vu if((lParam&0xc0000000)==0xc0000000){// 有键松开
R'vdk< switch(wParam)
'u4}t5Bu5 {
3Qqnw{* case VK_MENU:
h{Oz*Bq MaskBits&=~ALTBIT;
TvQWdX= break;
4aj[5fhb- case VK_CONTROL:
X4Pm)N` MaskBits&=~CTRLBIT;
&z ./4X break;
cFRSd
}p= case VK_SHIFT:
F?}m8ZRv MaskBits&=~SHIFTBIT;
Hi9 G^Q break;
wlm3~B\64 default: //judge the key and send message
;e&hM\p break;
1gF*Mf_7 }
uU8*$+ " for(int index=0;index<MAX_KEY;index++){
~| X99?P if(hCallWnd[index]==NULL)
+}Qv6s# continue;
>g5T;NgH9 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
$-C6pZN(X {
bl(BA}< SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
OU0xZ=G bProcessed=TRUE;
PiIp<fJd$ }
~@b9
}
<wIp$F. }
*T.={>HE8 else if((lParam&0xc000ffff)==1){ //有键按下
7VEt4 switch(wParam)
,gAr|x7_ {
)a4E&D case VK_MENU:
+~R.7NE% MaskBits|=ALTBIT;
=2ATqb"$w break;
:vn0|7W4 case VK_CONTROL:
iqU.a/~y MaskBits|=CTRLBIT;
')C_An>X6 break;
TzD:bKE& case VK_SHIFT:
"k>{b:R| MaskBits|=SHIFTBIT;
#C;#$|d break;
?RrC~7~ default: //judge the key and send message
B`RW-14g break;
uAPLT~ }
)w}*PL for(int index=0;index<MAX_KEY;index++){
Ymrpf if(hCallWnd[index]==NULL)
ql%]$`IV6 continue;
U 8qKD if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
D7Rbho< {
(&N$W& SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
T }8r;<P6 bProcessed=TRUE;
o'= [< }
'|dKg"Yl }
EmBfiuX }
8V53+]c$Y if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
0qaG#&! for(int index=0;index<MAX_KEY;index++){
h!JjN$ if(hCallWnd[index]==NULL)
0X S' v,| continue;
\nWzn4f if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
nvUkbmZG# SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
%r}KvJgd //lParam的意义可看MSDN中WM_KEYDOWN部分
>.k@!* }
4n.i<K8K[ }
a*$1la'Uf }
a3E*%G return CallNextHookEx( hHook, nCode, wParam, lParam );
G`3vH, }
q4IjCu+ $48[!QE 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:
j:vD9sdQ ^*owD;]4_ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
cbg3bi BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
v#AO\zYKd 'amex 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:
\`<s@U K\%"RgF@& LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
P[|BWNei {
!Vod0j"> if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
;R-
z3C {
^PCL^]W //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
HWao3 Lz SaveBmp();
C Ol%P return FALSE;
94>7-d }
6I6ZVSxb …… //其它处理及默认处理
<?`e9o }
k Y |=a ",,qFM! K+aJ`V 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。
xBx?>nN tX2>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。
,:Y=,[ n )F9%^a( 二、编程步骤
Ml_:Q]kl^ _ER
cmP 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";
(UiH3Q9C]% )~o`QM+ 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
6`PGV+3j 3kzG L 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;
0z2R`=) I]S(tx! 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;
Dqo:X`<bT (G b{ckzs 5、 添加代码,编译运行程序。
+Y%I0.?&5 [>QsMUvak 三、程序代码
{&AT}7 ovRCF(Og, ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
N7|W.( #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
:~YyHX #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
,2L,>?r6 #if _MSC_VER > 1000
SEn8t"n #pragma once
Y&:\s8C #endif // _MSC_VER > 1000
|r*1.V( #ifndef __AFXWIN_H__
%4g4 C# #error include 'stdafx.h' before including this file for PCH
~d1RD #endif
kJ:5msKwC #include "resource.h" // main symbols
5;%xqdD class CHookApp : public CWinApp
^rZ+H@p:6 {
!i lDR< public:
'aSORVq^e[ CHookApp();
tbt9V2U:"n // Overrides
fwGz00C/U // ClassWizard generated virtual function overrides
HH7gT //{{AFX_VIRTUAL(CHookApp)
&b:Zln.j public:
>L3p qK
virtual BOOL InitInstance();
(#>5j7i8# virtual int ExitInstance();
@n y{.s+ //}}AFX_VIRTUAL
ntUVhIE0 //{{AFX_MSG(CHookApp)
-cS4B//IK8 // NOTE - the ClassWizard will add and remove member functions here.
(>% Vj // DO NOT EDIT what you see in these blocks of generated code !
Y+PxV*"a //}}AFX_MSG
rs
KE DECLARE_MESSAGE_MAP()
KuAGy*:4T };
0R{R=r] LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
LA(JA BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
Jrrk$0H^~ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
1;sAt;/W8 BOOL InitHotkey();
gnK!"!nL BOOL UnInit();
S`PSFetC #endif
W5yu`Br -x5bdC(d //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
-&^( T #include "stdafx.h"
%Y[/Ucdm #include "hook.h"
lP
&%5y; #include <windowsx.h>
`o- <, #ifdef _DEBUG
?~9X:~6\ #define new DEBUG_NEW
n_gB#L$ #undef THIS_FILE
B}bNl 7
~ static char THIS_FILE[] = __FILE__;
^E,UcK; #endif
|iThgq_\z #define MAX_KEY 100
S`-IQ,*} #define CTRLBIT 0x04
0([jD25J! #define ALTBIT 0x02
bpCe&*\6K #define SHIFTBIT 0x01
%&S]cEw #pragma data_seg("shareddata")
BNUf0; HHOOK hHook =NULL;
=hb87g. UINT nHookCount =0;
)O'<jwp$ static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
~d8o,.n`1 static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
1Vvx@1 static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
B(NL3WJ static int KeyCount =0;
FC.-u"V static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
3hjwwLKG$ #pragma data_seg()
qWK7K%-$E HINSTANCE hins;
KPrxw }P void VerifyWindow();
2(x KE_| BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
@AyW9!vV;3 //{{AFX_MSG_MAP(CHookApp)
p{GDW_ // NOTE - the ClassWizard will add and remove mapping macros here.
2)]*re) // DO NOT EDIT what you see in these blocks of generated code!
:36^^Wm //}}AFX_MSG_MAP
4H'&5 END_MESSAGE_MAP()
G*V
7*KC Jx7^|A CHookApp::CHookApp()
eHIC'b. {
?`iBp+iBv // TODO: add construction code here,
=,9'O/br // Place all significant initialization in InitInstance
*Ux"3IXO }
g*9>z) ZmF32Ir CHookApp theApp;
7qp|Msf}, LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
n\,W:G9AR7 {
WVFy Zp B BOOL bProcessed=FALSE;
oZw#Nd if(HC_ACTION==nCode)
(CwaOm{g {
xJlq2cK if((lParam&0xc0000000)==0xc0000000){// Key up
SesO$=y switch(wParam)
eGg#=l= {
s)=7tHoqB) case VK_MENU:
EwsJa3
` MaskBits&=~ALTBIT;
|'#NDFI>} break;
OW^7aw(N6 case VK_CONTROL:
gE#,QOy MaskBits&=~CTRLBIT;
<taW6=;c break;
CQHlSV W case VK_SHIFT:
dDn:^) MaskBits&=~SHIFTBIT;
\U8Vsx1tl break;
}P#gXG default: //judge the key and send message
GW#Wy=(_ break;
Fh;(1X75I }
.`9KB3 for(int index=0;index<MAX_KEY;index++){
eA_4,"{ if(hCallWnd[index]==NULL)
(w fZ! continue;
^}#!?"Y if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
J.(_c'
r {
Ek6W:Q:@ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
~heF0C_ bProcessed=TRUE;
!h~\YE) }
s.R(3}/ }
kzT' }
3&
$E else if((lParam&0xc000ffff)==1){ //Key down
TM;)[R@ switch(wParam)
6fiJ'
j@ {
[z9i v~ case VK_MENU:
OWzIea@ MaskBits|=ALTBIT;
'}=M~ break;
;f?bb*1 case VK_CONTROL:
{lA@I*_lj MaskBits|=CTRLBIT;
l/5/|UE9
break;
hkY E7 case VK_SHIFT:
f~Su F,o@h MaskBits|=SHIFTBIT;
qA42f83 break;
z&8#1' default: //judge the key and send message
KK}&4^q break;
53c6dl }
rm7UFMCR6i for(int index=0;index<MAX_KEY;index++)
&2DW {
IM+PjYJ if(hCallWnd[index]==NULL)
n9%rjS$ continue;
v3B
^d}+. if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
7RZ7q@@fgh {
NZ#z{JI=+ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
a)e2WgVB/E bProcessed=TRUE;
`^/Q"zH }
TL5bX+ }
z'm;H{xf }
Ni`qU(I'| if(!bProcessed){
Z-p_hN b for(int index=0;index<MAX_KEY;index++){
l[xwH 9' if(hCallWnd[index]==NULL)
*QLbrR continue;
vc<8ApK3V if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
nsPM`dz/ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
$I'ES#8P6 }
`?)i/jko" }
/#a$4 }2L }
`c icjA@~ return CallNextHookEx( hHook, nCode, wParam, lParam );
nm)F tX|A }
5Z@Q^ *(rq AB0~ BOOL InitHotkey()
{0|^F!1z {
ms?h/*E<H if(hHook!=NULL){
p(Sfw>t( nHookCount++;
09Fr1PL return TRUE;
UwLa9Dn^ }
w$p v else
/q=<OEC hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
k,?k37%T] if(hHook!=NULL)
d-Sm<XHu. nHookCount++;
z:w7e0 return (hHook!=NULL);
]!/1qF }
%bAv.'C BOOL UnInit()
A >e%rx {
`18G
5R if(nHookCount>1){
qZ4DO*%b3 nHookCount--;
}{[F+|\>,e return TRUE;
`8L7pbS%,Q }
noacnQ_I$ BOOL unhooked = UnhookWindowsHookEx(hHook);
3+)i23[4=\ if(unhooked==TRUE){
t({:TQ nHookCount=0;
Uu
G;z5 hHook=NULL;
)0NA*<Q+. }
@Fo0uy\G return unhooked;
7y:J@fh< }
6JJ%`Uojh 8^O|Aa$IF: BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
Ef#%4ky {
E0GpoG5C BOOL bAdded=FALSE;
U5" C"+
3 for(int index=0;index<MAX_KEY;index++){
2 Y%$6NX if(hCallWnd[index]==0){
LNe-]3wB hCallWnd[index]=hWnd;
=x=#Etj| HotKey[index]=cKey;
z7NaW e HotKeyMask[index]=cMask;
5{{u #W%= bAdded=TRUE;
*C$
W^u5h KeyCount++;
u{HB5QqK break;
ZMbv1*Vt }
.Zo8KwkFY }
oM J5; return bAdded;
^"l4 }
Zx3m$.8 dqcfs/XhP BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
euQd {
A!SHt7ysJ BOOL bRemoved=FALSE;
XmLHZ,/ for(int index=0;index<MAX_KEY;index++){
]GRPxh if(hCallWnd[index]==hWnd){
w
J; y4 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Wa
, # hCallWnd[index]=NULL;
iB{O"l@w
HotKey[index]=0;
B|#"dhT HotKeyMask[index]=0;
9^XT,2Wwf bRemoved=TRUE;
evq*&.6\ KeyCount--;
7R ;! break;
{R\ "x| }
Jgb{Tl:r }
R:-^,/1 }
8MV=? return bRemoved;
IX$ $pdQ }
S&FMFXF@ !'MZeiLP void VerifyWindow()
yPKeatH] {
X]M)T for(int i=0;i<MAX_KEY;i++){
]hc.cj`\W& if(hCallWnd
!=NULL){ 0Kq\ oMn
if(!IsWindow(hCallWnd)){ t\S}eoc
hCallWnd=NULL; #X`j#"Ov2(
HotKey=0; EX=Q(} 9F<
HotKeyMask=0; }"E?#&^
KeyCount--;
nz~3o
} ?tSFM:9PU
} Jr|"` f%V
} @ITJ}e4
} z1*8 5?
hVd%
jU:
BOOL CHookApp::InitInstance() /V^Gn;
{ +<(N]w*
AFX_MANAGE_STATE(AfxGetStaticModuleState()); NN>,dd3T
hins=AfxGetInstanceHandle(); ULNU'6
InitHotkey(); 4,`Yx s)%
return CWinApp::InitInstance(); r1}YN<+,s
} aTxss:7]
/z.Y<xOc
int CHookApp::ExitInstance() TW"
TgOfd
{ #"|</*%>
VerifyWindow(); E.R,'Y;x
UnInit(); AQw1,tGV
return CWinApp::ExitInstance(); oYG9i=lZ
} Usx8
U
qH1[BsOx
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file V>>"nf,YO
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) N7v7b<6
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ iimTr_TEt
#if _MSC_VER > 1000 Kc$j<MRtv
#pragma once 8M<q-sn4B
#endif // _MSC_VER > 1000 %}elh79H*
Z]V^s8>
class CCaptureDlg : public CDialog UzTFT:\
{ R*|y:T,H
// Construction c07'mgsU
public: c6.S jV
BOOL bTray; ?%-VSL>$w=
BOOL bRegistered; ~)xg7\k
BOOL RegisterHotkey(); I]+xerVd
UCHAR cKey; 7Ko<,Kp2b
UCHAR cMask; 6O"?wN%$
void DeleteIcon(); Vb yGr~t
void AddIcon(); _IYd^c
UINT nCount; pBl'SQccp
void SaveBmp(); W6%\Zwav?)
CCaptureDlg(CWnd* pParent = NULL); // standard constructor K9O%SfshF
// Dialog Data }-4@EC>
//{{AFX_DATA(CCaptureDlg) tUU`R{=(
enum { IDD = IDD_CAPTURE_DIALOG }; V{4=,Ax
CComboBox m_Key; ;\-f7!s
BOOL m_bControl; &\6Buw_
BOOL m_bAlt; {,xI|u2R
BOOL m_bShift; mUSrC U_}
CString m_Path; `s1>7XWf
CString m_Number; %:Mi6sR|
//}}AFX_DATA mWEaUi)Zz
// ClassWizard generated virtual function overrides b* (~8JxZ
//{{AFX_VIRTUAL(CCaptureDlg) T6mbGE*IeE
public: bvn%E
H
virtual BOOL PreTranslateMessage(MSG* pMsg); <5@VFRjc
protected: y#tuwzE
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support \"k[y+O],4
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); st4z+$L
//}}AFX_VIRTUAL ^V6cx2M
// Implementation (dvsGYT|.
protected: Dnk}
HICON m_hIcon; Yx#?lA2gx
// Generated message map functions x;N@_FZ7KY
//{{AFX_MSG(CCaptureDlg) 9d kuvk}:
virtual BOOL OnInitDialog(); #dO8) t
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); yBKEw(1
afx_msg void OnPaint(); mv1g2f+
afx_msg HCURSOR OnQueryDragIcon(); B|I9Ex~L
virtual void OnCancel(); |)5xm N]
afx_msg void OnAbout(); 7 +]+S`p
afx_msg void OnBrowse(); ke\gzP/
afx_msg void OnChange(); Cj/J&PDQ
//}}AFX_MSG [pY1\$,
DECLARE_MESSAGE_MAP() }^Ymg7wA
}; h95a61a,Vy
#endif "kb[}r4?
wmV7g7t6
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file IN^dJ^1+
#include "stdafx.h" b?^CnMO
#include "Capture.h" J^w!?nk
#include "CaptureDlg.h" b;;mhu[D
#include <windowsx.h> _s{;9&qX]
#pragma comment(lib,"hook.lib") pZxuV(QP`
#ifdef _DEBUG ~SzHIVj:6
#define new DEBUG_NEW 6[x6:{^J
#undef THIS_FILE [LF<aR5
static char THIS_FILE[] = __FILE__; C}'Tmi
#endif B+VD53 V
#define IDM_SHELL WM_USER+1 ?zpN09e
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); X;/5Niv32q
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); QJ4=*tX)
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; 1Zo"Xb
class CAboutDlg : public CDialog {,X}Btnwp
{ /gH[|d
public: xfzGixA
CAboutDlg(); ;z1\n3,
// Dialog Data dy'
J~Eo7
//{{AFX_DATA(CAboutDlg) b'O>qQ
enum { IDD = IDD_ABOUTBOX }; $n#NUPzG+
//}}AFX_DATA c0U=Hj@@
// ClassWizard generated virtual function overrides zz m[sX}
//{{AFX_VIRTUAL(CAboutDlg) Spm0DqqR?
protected: w7E7r?)Wl|
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support Wm^RfxgN/
//}}AFX_VIRTUAL 1@Gmzh
// Implementation =O
o4O CF2
protected: V44M=c7E
//{{AFX_MSG(CAboutDlg) U(6=;+q
//}}AFX_MSG qP5'&!s&!
DECLARE_MESSAGE_MAP() al1Nmc#
}; JwNB)e
D
Yw6^(g8
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) ))xP]Mu v
{ _&R lR
//{{AFX_DATA_INIT(CAboutDlg) gp(: o$
//}}AFX_DATA_INIT %~rXJrK
} *=b36M
aovw'O\Q
void CAboutDlg::DoDataExchange(CDataExchange* pDX) zDohp 5,
{ yt[vd8O'c
CDialog::DoDataExchange(pDX); a,ZmDkzuv
//{{AFX_DATA_MAP(CAboutDlg) 7^FJ+gN8b
//}}AFX_DATA_MAP ad#4W0@S
} ~YQH]
}!9KxwC(
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) `G_k~ %
//{{AFX_MSG_MAP(CAboutDlg) w#!b #TNc
// No message handlers iOrpr,@
//}}AFX_MSG_MAP xcM*D3
END_MESSAGE_MAP() :cA%lKg
U-ADdOh"q
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/)
!XQq*
: CDialog(CCaptureDlg::IDD, pParent) 4N[KmNi<
{ kNk$[Yfs
//{{AFX_DATA_INIT(CCaptureDlg) <x[CL,Zg7
m_bControl = FALSE; k];NTALOG
m_bAlt = FALSE; zEy,aa:M
m_bShift = FALSE; kCHYLv3.
m_Path = _T("c:\\"); | IB4-p
m_Number = _T("0 picture captured."); fWs @ZCt
nCount=0; )8&;Q9'o
bRegistered=FALSE; !4mg]~G
bTray=FALSE; -$sVqR>_
//}}AFX_DATA_INIT o"j$*o=
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 3%L@=q
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); "?v{?,@
} 6%a:^f]
`'G1"CX
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) Ku`u%5<
{ $2w][ d1
CDialog::DoDataExchange(pDX); u:w
//{{AFX_DATA_MAP(CCaptureDlg) +x]3 -s
DDX_Control(pDX, IDC_KEY, m_Key); s2`Qh9R
DDX_Check(pDX, IDC_CONTROL, m_bControl); bae\EaS
?
DDX_Check(pDX, IDC_ALT, m_bAlt); S!8gy,7<J
DDX_Check(pDX, IDC_SHIFT, m_bShift); 4A)@,t9+
DDX_Text(pDX, IDC_PATH, m_Path); F[)5A5+:Y
DDX_Text(pDX, IDC_NUMBER, m_Number); /i)>|U
4
//}}AFX_DATA_MAP F3e1&aK6{
} s8.SEk|pB
N4)ZPLV
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) G\(cnqHk
//{{AFX_MSG_MAP(CCaptureDlg) 'h87A-\!F
ON_WM_SYSCOMMAND() VRB!u420
ON_WM_PAINT() ?egZkg=U
ON_WM_QUERYDRAGICON() .]YTS
ON_BN_CLICKED(ID_ABOUT, OnAbout) :Z&<5
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) 5@_kGoqd
ON_BN_CLICKED(ID_CHANGE, OnChange) YL&)@h
//}}AFX_MSG_MAP /m|U2rrqb
END_MESSAGE_MAP() J%FF@.)k
Z=dM7 Lj*
BOOL CCaptureDlg::OnInitDialog() \:4SN&I~
{ hn=tSlte
CDialog::OnInitDialog(); <DZ$"t
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); hQ (84u
ASSERT(IDM_ABOUTBOX < 0xF000); a4&Aw7"X
CMenu* pSysMenu = GetSystemMenu(FALSE); T^icoX=c4
if (pSysMenu != NULL) |B
{*so]
{ [`kk<$=,&
CString strAboutMenu; NXX/JJ+w
strAboutMenu.LoadString(IDS_ABOUTBOX); 3X%h?DC
if (!strAboutMenu.IsEmpty()) qLV3Y?S!L
{ Rga
*68s|&
pSysMenu->AppendMenu(MF_SEPARATOR); FfNUFx2N
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); x c]#8K
} yA#nnu1
} R PdFLC/
SetIcon(m_hIcon, TRUE); // Set big icon {fJCj152.
SetIcon(m_hIcon, FALSE); // Set small icon E[cH/Rm
m_Key.SetCurSel(0); "7Z-ACyF5
RegisterHotkey(); jG{OLF6 !
CMenu* pMenu=GetSystemMenu(FALSE); c2gi3
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); F*T$n"^
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); wJC F"e
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); 55FRPNx-x
return TRUE; // return TRUE unless you set the focus to a control SBI*[
} E=Vp%08(
G@txX
'
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) hHZ'*,9 y
{ 4]#$YehM5
if ((nID & 0xFFF0) == IDM_ABOUTBOX) wYr*('uT
{ ]iMqIh"
CAboutDlg dlgAbout; wXtp(YwlH
dlgAbout.DoModal(); XZ@|(_Z
} f]_'icP
else aS``fE;O
{ =*R6O,
CDialog::OnSysCommand(nID, lParam); hd]ts.
} a 7685Y
} [+_>g4M~%
,q;?zcC7
void CCaptureDlg::OnPaint() VVDW=G
{ 74 &q2g{
if (IsIconic()) lQd7p+21
{ s94*uZ(C/
CPaintDC dc(this); // device context for painting 53 -Owjpx
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 7MGvw-Tpb7
// Center icon in client rectangle K?Sy?Kz
int cxIcon = GetSystemMetrics(SM_CXICON); OJd/#KFm
int cyIcon = GetSystemMetrics(SM_CYICON); =t`cHs29
CRect rect; Z&79: 9=#>
GetClientRect(&rect); K:^0*5Y-k
int x = (rect.Width() - cxIcon + 1) / 2; Tw7]
int y = (rect.Height() - cyIcon + 1) / 2; jwUX?`6jX
// Draw the icon YN+vk}8 <
dc.DrawIcon(x, y, m_hIcon); wSw> UU
} <uxLG;R
else BNj_f
{ ~>HzAo9e
CDialog::OnPaint(); C$0g2X
} bAbR0)
} gq"d$Xh$x7
:.r_4$F:
HCURSOR CCaptureDlg::OnQueryDragIcon() * k<@
{ :m(DRD
return (HCURSOR) m_hIcon; &
+*OV:[;
} mBE&>}G<
,uAp;"YJeV
void CCaptureDlg::OnCancel() TL)*onA9
{ B]@25
if(bTray) </WeB3#6
DeleteIcon(); ]8}51y8
CDialog::OnCancel(); TN1pg
} #c5jCy}n
?3p7MjvZ
void CCaptureDlg::OnAbout() D}q"^"#T
{ nYFrp)DLK
CAboutDlg dlg; I# &r5Q
dlg.DoModal(); K)BQ0v.:[
} MUAs(M;
t*=[RS*
void CCaptureDlg::OnBrowse() An$2='=/
{ xH xTL>,?
CString str; i=cST8!8N
BROWSEINFO bi; l6y}>]
char name[MAX_PATH]; C+llA
ZeroMemory(&bi,sizeof(BROWSEINFO)); XzHR^^;u"*
bi.hwndOwner=GetSafeHwnd(); lQ-<T<g
bi.pszDisplayName=name; &CQO+Yr$l
bi.lpszTitle="Select folder"; \gk.[={^P
bi.ulFlags=BIF_RETURNONLYFSDIRS; tqZ+2c<W3
LPITEMIDLIST idl=SHBrowseForFolder(&bi); Aj)Q#Fd[
if(idl==NULL) ?9kC[4G
return; L%T(H<