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:
aK&b{d
'= _/ 1F*q 一、实现方法
NiWa7 /Hr ;'?l$
._ 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:
G,$PV
e* ZO!I. #pragma data_seg("shareddata")
Qt iDTr HHOOK hHook =NULL; //钩子句柄
^$%S &W UINT nHookCount =0; //挂接的程序数目
M9Cv
wMi static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
ZW-yP2 static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
Usr@uI#{J static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
TkE 8D
n static int KeyCount =0;
Gn\_+Pj$ static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
/mXBvY #pragma data_seg()
[OjF[1I)u ?5U2D%t 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。
+EFgE1w -u&6X,Oq\u 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:
9:fOYT$8 ?Eg(Gu.J BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
Q~814P8] cKey,UCHAR cMask)
FqkDKTS\& {
NS9B[*"Jl BOOL bAdded=FALSE;
wHsYF` for(int index=0;index<MAX_KEY;index++){
<:(6EKJAq} if(hCallWnd[index]==0){
dA-2%uJ hCallWnd[index]=hWnd;
nIAx2dh? HotKey[index]=cKey;
8yRJD[/S HotKeyMask[index]=cMask;
m$`RcwO bAdded=TRUE;
6Se?sHC> KeyCount++;
V_>\9m break;
ji1viv }
_]04lGx27 }
Scp7X7{N return bAdded;
6,"IDH|ND }
il}%7b- //删除热键
<DMl<KZ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
kUq=5Y `D {
W!%]_I!&K BOOL bRemoved=FALSE;
` BDLW%aL for(int index=0;index<MAX_KEY;index++){
cmBB[pk\ if(hCallWnd[index]==hWnd){
^:K3vC[h;c if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
bsuus
R9W hCallWnd[index]=NULL;
So{x]x:f HotKey[index]=0;
?;KKw* HotKeyMask[index]=0;
lwHzj&/ ~ bRemoved=TRUE;
Cnnh7` KeyCount--;
%dJX-sm@ break;
7x#Ckep:I }
nS/)P4z }
d1T,eJ} }
xHoKo return bRemoved;
UV5Ie!\nm }
j H19k}D SLO%7%>p ;+0t;B!V DLL中的钩子函数如下:
lFa02p0 z8{a(nK P LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
=6woWlf b {
F4It/ BOOL bProcessed=FALSE;
4?0vso*X<: if(HC_ACTION==nCode)
">~.$Jp_4 {
7Ok;Lt!x if((lParam&0xc0000000)==0xc0000000){// 有键松开
.9R
[*< switch(wParam)
.nG#co"r}3 {
:r%P.60H X case VK_MENU:
nNrPHNfqD MaskBits&=~ALTBIT;
~}F{vm break;
=Qh\D case VK_CONTROL:
RD\ MaskBits&=~CTRLBIT;
km)zMoE{c{ break;
9dFy"yxYa case VK_SHIFT:
+cIUGFp} MaskBits&=~SHIFTBIT;
/[O(ea$U break;
PH `9MXh default: //judge the key and send message
kspTp>~ break;
=jSb'Vu| }
thV>j9' for(int index=0;index<MAX_KEY;index++){
RMX:9aQ3F if(hCallWnd[index]==NULL)
Sczc5FG continue;
UQ'\7OS if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
~3WM5 fv {
8dV=[+ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
y|CP;:f; bProcessed=TRUE;
EPS={w$'s }
:{qv~&+C }
]GN7+8l }
sW)Zi else if((lParam&0xc000ffff)==1){ //有键按下
t0z!DOODZP switch(wParam)
~(x;5{ {
[E+$?a= case VK_MENU:
O?U'!o= MaskBits|=ALTBIT;
XID<(HBA"! break;
ulu9'ch case VK_CONTROL:
/E
Bo3` MaskBits|=CTRLBIT;
XD |E=s break;
x;-.
ZVF case VK_SHIFT:
C3< m7h MaskBits|=SHIFTBIT;
8i6Ps$T break;
v[#9+6P= default: //judge the key and send message
9UKp?SIF break;
3BB%Z6F }
D!.[q -< for(int index=0;index<MAX_KEY;index++){
A'G66ei if(hCallWnd[index]==NULL)
"
Om[~-31 continue;
ktj]:rCkF if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
CK:y? {
KC(xb5x
Y SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
)E6;-rD0^+ bProcessed=TRUE;
b`)){LR }
(rkyW z }
O<96/a' }
CLeG<Hi
~ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
1&^MfP} for(int index=0;index<MAX_KEY;index++){
t=_J9| if(hCallWnd[index]==NULL)
M%1}/!J3 continue;
Q>/C*@ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
)N=NR2xBZ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
D<8HZ%o //lParam的意义可看MSDN中WM_KEYDOWN部分
AK\$i$@6 }
:>D[n1v }
R<sJ^nx }
?"zY"*>4 return CallNextHookEx( hHook, nCode, wParam, lParam );
0GB:GBhZ }
|AcRIq fQL"O}Z 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:
g0>,%b e?_@aa9~@{ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
WA]c=4S BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
]Tkc-ez N-I5X2 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:
2R=DB`3 bhkUKxd LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
Lg~B'd8m {
IB#
@yH if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
=
QQ5f5\l {
|;.o8} //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
\"CZI<=TB SaveBmp();
!PrwH; return FALSE;
_@
*+~9%8p }
N5]0/,I} …… //其它处理及默认处理
}b=}uiR# }
XK|R8rhg8` si&S%4( f 1w~!O9 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。
emK$`9 dDm):Z*`b 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
)\6&12rj 66.5QD0 二、编程步骤
0j30LXI_ T/^Hz4uA7 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
A81ls#is U+)xu>I
2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
C0S^h<iSe* w"OP8KA:^T 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
`}BF${vF X@k`3X 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;
F%i^XA]a* |tv"B@` 5、 添加代码,编译运行程序。
jy giG&H =+-Yxh|* 三、程序代码
Ku\Y'ub 0A,]$Fzt ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
+n<k)E@>J #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
]%BWIqbr #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
R2(3>`FJ #if _MSC_VER > 1000
S,<EEtXQ #pragma once
UJfEC0 #endif // _MSC_VER > 1000
@J5Jpt*IE #ifndef __AFXWIN_H__
uq,
{tV #error include 'stdafx.h' before including this file for PCH
= M]iIWQ@` #endif
UB 6mqjPK #include "resource.h" // main symbols
Si_%Rr&jW class CHookApp : public CWinApp
&VV~%jl;k {
z)z{3rR|PW public:
ccLq+a| CHookApp();
d?:=PH // Overrides
a@\D$#2r // ClassWizard generated virtual function overrides
Q$:![}[( //{{AFX_VIRTUAL(CHookApp)
ow0!%|fO public:
;9~6_@,@o virtual BOOL InitInstance();
yU8{i&w4 virtual int ExitInstance();
G:pEE:W[ //}}AFX_VIRTUAL
U$
F{nZ1 //{{AFX_MSG(CHookApp)
9lGOWRxR) // NOTE - the ClassWizard will add and remove member functions here.
jM$`(Y // DO NOT EDIT what you see in these blocks of generated code !
tID%}Z v //}}AFX_MSG
&}?$i7x5 DECLARE_MESSAGE_MAP()
AJSx%?h:6 };
qTAc[Ko LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
HsnLm67' BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
br0++}vwL BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
7\f\!e < BOOL InitHotkey();
?Y:8eD"* BOOL UnInit();
zN{K5<7o #endif
\0mb
3Q' c>/.
;p //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
~v'3"k6 #include "stdafx.h"
UTf9S>HS #include "hook.h"
#]#sGmW/L #include <windowsx.h>
'Hi:
2Wh #ifdef _DEBUG
W-.pmU e2 #define new DEBUG_NEW
{}QB|IH` #undef THIS_FILE
-S$1Yn static char THIS_FILE[] = __FILE__;
8me ]JRw #endif
$&<uT #define MAX_KEY 100
iJZ/jCI #define CTRLBIT 0x04
+V{7")px6 #define ALTBIT 0x02
HAv{R!* #define SHIFTBIT 0x01
"=6v&G]U4 #pragma data_seg("shareddata")
zGc:
@z HHOOK hHook =NULL;
n+BJxu? UINT nHookCount =0;
)u/H>;L P static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
`;l?12|X static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
om |"S static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
WBN w~|DO] static int KeyCount =0;
zH>hx5,k'X static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
o$[z],RO #pragma data_seg()
{5d9$v7k4 HINSTANCE hins;
M)+$wp void VerifyWindow();
FJ % BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
*J+_|_0nlW //{{AFX_MSG_MAP(CHookApp)
Vpr/ // NOTE - the ClassWizard will add and remove mapping macros here.
l#lF
+Q; // DO NOT EDIT what you see in these blocks of generated code!
"H&"(= //}}AFX_MSG_MAP
m85WA
#
` END_MESSAGE_MAP()
bu=?N &z]K\-xp CHookApp::CHookApp()
xB@|LtdO9; {
i~3u>CT // TODO: add construction code here,
kN%MP6? J // Place all significant initialization in InitInstance
&AlJ "N| }
A<6%r7&B' q~@]W= CHookApp theApp;
52.>+GC LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
S.Z9$k% {
n.sbr BOOL bProcessed=FALSE;
fM #7 y [ if(HC_ACTION==nCode)
.AYj'Y {
@"Z7nJX if((lParam&0xc0000000)==0xc0000000){// Key up
3SSm5{197 switch(wParam)
.e'eE {
6Z`R#d #I case VK_MENU:
n!')wIk MaskBits&=~ALTBIT;
5C"QE8R o break;
-tnQCwq# case VK_CONTROL:
BW"&6t#kA MaskBits&=~CTRLBIT;
dgDy5{_ break;
xl"HotsX-x case VK_SHIFT:
(YY~{W$w( MaskBits&=~SHIFTBIT;
,=aJVb=C break;
8)kLV_+% default: //judge the key and send message
'S[++w?Qq break;
gORJWQv }
3:{yJdpg for(int index=0;index<MAX_KEY;index++){
;SwMu@tg if(hCallWnd[index]==NULL)
l~D N1z6` continue;
4O:W#bx if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
|A%<Z( {
2kv7UU#q2 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
11|Rdd+} bProcessed=TRUE;
PlYm& }
L{E^?iX }
wBQF~WY }
* ,v|y6 else if((lParam&0xc000ffff)==1){ //Key down
>|6iR%"f# switch(wParam)
U:MPgtwe {
G60R9y47c case VK_MENU:
Iyd?|f" MaskBits|=ALTBIT;
lNv".Y=l break;
>HPdzLY? case VK_CONTROL:
0 a~HiIh MaskBits|=CTRLBIT;
tTN?r 8 break;
__[xD\ES case VK_SHIFT:
k|BHnj MaskBits|=SHIFTBIT;
BYY RoE[P break;
w_ {,<[# default: //judge the key and send message
0wFH!s/B break;
v`V7OD#:j] }
w'X]M#Q>< for(int index=0;index<MAX_KEY;index++)
V:/7f*n7 {
}tPk@$ if(hCallWnd[index]==NULL)
=pA
IvU continue;
YUQtMf9 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
BZb]SoAL {
s4 %(>Q SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
8F)G7
H, bProcessed=TRUE;
{B*W\[ns }
0t#g} }
$T<}y_nHl }
hh~n#7w~IR if(!bProcessed){
r}u%#G+K, for(int index=0;index<MAX_KEY;index++){
+%N
KQ'49I if(hCallWnd[index]==NULL)
XJ!(F#zc continue;
1Uf*^WW4 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
?3Ij*}_O2 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
5cK@WE: }
xt4)Ya }
hJ5z/5aE; }
A =Dhod return CallNextHookEx( hHook, nCode, wParam, lParam );
gPzL*6OSA }
BIf^~jAER% JK#vkCkyM BOOL InitHotkey()
ni {
2JmZ{ if(hHook!=NULL){
(#q<\` nHookCount++;
# x>g a return TRUE;
^*R(!P^ }
BO.dz06(Rw else
6@tvRDeaDW hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
%lr|xX if(hHook!=NULL)
JO@Bf nHookCount++;
">dq0gD return (hHook!=NULL);
+TeFt5[)h }
^TXf sQs BOOL UnInit()
j2h[70fWC {
ID1?PM if(nHookCount>1){
g"Qh]: nHookCount--;
~9D~7UR return TRUE;
'ul\Q`N3 }
tPHS98y BOOL unhooked = UnhookWindowsHookEx(hHook);
7s'- +~ if(unhooked==TRUE){
|'HLz=5\ nHookCount=0;
Jx-wO/ hHook=NULL;
AyE\fY5 }
<64HveJ return unhooked;
y[0`hSQ)~ }
q]4pEip 7N2\8kP BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
;n#%G^!H {
Q^eJ4{Ya: BOOL bAdded=FALSE;
ul5|.C for(int index=0;index<MAX_KEY;index++){
E\2Ml@J if(hCallWnd[index]==0){
lx,`hl% hCallWnd[index]=hWnd;
/jD-\,:L} HotKey[index]=cKey;
(N~$x HotKeyMask[index]=cMask;
Sm3u /w! bAdded=TRUE;
"c`xH@D KeyCount++;
I#A2)V0P) break;
)JgC$ < }
>kY p%r6 }
'Am- vhpm return bAdded;
"/%89 HMD }
gb-{2p>} #ch BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
yFIIX=NC {
/Ic[N& BOOL bRemoved=FALSE;
OHp5z?
z for(int index=0;index<MAX_KEY;index++){
p6 xPheD if(hCallWnd[index]==hWnd){
v"1Po_` if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
=fG:A(v%} hCallWnd[index]=NULL;
k&s; {|! HotKey[index]=0;
XQ;I,\m HotKeyMask[index]=0;
['Z{@9 bRemoved=TRUE;
Sgj/s~j~1 KeyCount--;
(6xDu.u?A break;
CJw$j`k }
/8 CY0Ey }
*{/@uO }
F&@ |M( return bRemoved;
]A:( L9 }
BnEdv8\,&s rFd@mO void VerifyWindow()
WfVMdwz= {
LM,fwAX for(int i=0;i<MAX_KEY;i++){
-zC]^Ho@ if(hCallWnd
!=NULL){ 12gw#J/)9h
if(!IsWindow(hCallWnd)){ d/j@_3'
hCallWnd=NULL; ~$aTM_4
HotKey=0; %!W%#U0
HotKeyMask=0; J|j;g!fK
KeyCount--; r,'O).7
} j@P5(3r
} '
iQ9hQjD
} @ ^.*$E5
} i>GdRG&q
{e9Y
!oFg
BOOL CHookApp::InitInstance() ,YlQK;
{ ^5)_wUf
AFX_MANAGE_STATE(AfxGetStaticModuleState()); B_~jA%0m'
hins=AfxGetInstanceHandle(); P4%>k6X
InitHotkey(); f-+.;`H)T
return CWinApp::InitInstance(); ks:{TA27
} d.\PS9l
VD;j[~/Z
int CHookApp::ExitInstance() C_-E4I
Z)
{ gM, &Spn
VerifyWindow(); QMb^&?;s
UnInit(); 5bfb!7-[i
return CWinApp::ExitInstance(); "?H+
u/8$
} tp+=0k2i
|Ylg$?,9*
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file ;Q90Y&{L=$
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) J#@lV
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ d pn3 (
#if _MSC_VER > 1000 .eTk=i[N-
#pragma once okDJ(AIV+
#endif // _MSC_VER > 1000 wP`sXPSmIu
coAW9=o}
class CCaptureDlg : public CDialog eBvW#Hzp
{ kH2oK:lN
// Construction }xJR.]).KW
public: C1ZyB"{
BOOL bTray; o*;2mFP
BOOL bRegistered; B(Y.`L? %E
BOOL RegisterHotkey(); ,aO@.<"
UCHAR cKey; >)sqh ~P
UCHAR cMask; 'a_s%{BJXg
void DeleteIcon(); dJE`9$jN
void AddIcon(); -mC:r&Y>[
UINT nCount; "aA_(Ydzj
void SaveBmp(); -pX|U~a[
CCaptureDlg(CWnd* pParent = NULL); // standard constructor ^Fvr
f`A'
// Dialog Data j!CU
//{{AFX_DATA(CCaptureDlg) D"`[6EN[
enum { IDD = IDD_CAPTURE_DIALOG }; &%:*\_2s
CComboBox m_Key; Wx k;g
BOOL m_bControl; fO+UHSC
BOOL m_bAlt; D+hB[*7Fs
BOOL m_bShift; ' 3VqkQ4
CString m_Path; [yvt1:q
CString m_Number; wO!%
q[
//}}AFX_DATA 8E
9{
Gf
// ClassWizard generated virtual function overrides kU(kU2u%9
//{{AFX_VIRTUAL(CCaptureDlg) DA=qeVBg
public: j`hNZ %a
virtual BOOL PreTranslateMessage(MSG* pMsg); QA! #s\
protected: pMDH
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support H}a)^90_
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); )Oo2<:"
//}}AFX_VIRTUAL D2Vv\f
// Implementation pd7O`.3
protected: t#{x?cF
HICON m_hIcon; e@yx}:]h
// Generated message map functions )5'rw<:="
//{{AFX_MSG(CCaptureDlg) ]*a@*0=
virtual BOOL OnInitDialog(); _ flgQ
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); i<Q&
D\Pv
afx_msg void OnPaint(); OMi02tSm
afx_msg HCURSOR OnQueryDragIcon(); mDlCt_h
virtual void OnCancel(); W0U`Kt&~a
afx_msg void OnAbout(); /t$*W\PL@
afx_msg void OnBrowse(); niQ+EAD
afx_msg void OnChange(); hi0XVC95
//}}AFX_MSG nrF!;:x
DECLARE_MESSAGE_MAP() |;~nI'0O])
}; Dl&PL
#endif tr5'dX4]
K:uQ#W.&
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file 2*Va9HP!q
#include "stdafx.h" nZ541o@t9
#include "Capture.h" e"lD`*U8R
#include "CaptureDlg.h" 7
TmK
#include <windowsx.h> VZt;P%1;h
#pragma comment(lib,"hook.lib") T^d#hl.U
#ifdef _DEBUG ,RR;VKj
#define new DEBUG_NEW 87+.pM|t%
#undef THIS_FILE "-28[a3q
static char THIS_FILE[] = __FILE__; *&h6*zP?
#endif Kq8(d`g}
#define IDM_SHELL WM_USER+1 }+*w.X}L
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); >G<4Ro"
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); <|B$dz?r
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; vNPfUEnA
class CAboutDlg : public CDialog A\Lr<{Jh
{ )nJzSN=>$
public: @;g`+:=
CAboutDlg(); gHp'3SnS
// Dialog Data !NILpimi
//{{AFX_DATA(CAboutDlg) FK-}i|di
enum { IDD = IDD_ABOUTBOX }; -hQ96S8
//}}AFX_DATA ;_>s0rUV
// ClassWizard generated virtual function overrides 0W;q!H[G
//{{AFX_VIRTUAL(CAboutDlg) *iPs4Es-
protected: ,:c:6Y^
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support OY+!aG@.
//}}AFX_VIRTUAL !}z%#$
// Implementation )lQN)!.)
protected: 0T7M_G'5Q
//{{AFX_MSG(CAboutDlg) ~o}moE/
;O
//}}AFX_MSG 0@o;|N"i
DECLARE_MESSAGE_MAP() ])+Sc"g4k
}; H<v c\r
|*lH9lWJ
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) A$%@fO.b
{ ],!\IqO
//{{AFX_DATA_INIT(CAboutDlg) :yd=No@
//}}AFX_DATA_INIT 5wT',U"+
} l0eANB%Y=@
b$;HI7)/K
void CAboutDlg::DoDataExchange(CDataExchange* pDX) ] dW%g?
{ RmcYaj^=
CDialog::DoDataExchange(pDX); kqjxJ5
//{{AFX_DATA_MAP(CAboutDlg) +I^+k "
//}}AFX_DATA_MAP c ,Qw;
} tVC@6Z$
^nG1/}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) J&
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//{{AFX_MSG_MAP(CAboutDlg) \/?
!
6~
// No message handlers sZ0g99eX
//}}AFX_MSG_MAP L+v8E/W
END_MESSAGE_MAP() xmCm3ekmpC
$ iX^p4v
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) oc!biE`u
: CDialog(CCaptureDlg::IDD, pParent) #N<s^KYG-
{ .q
AQPL
//{{AFX_DATA_INIT(CCaptureDlg) ~,(0h:8
m_bControl = FALSE; SS>:Sw
m_bAlt = FALSE; ?q+8 /2
m_bShift = FALSE; fs]#/* RR
m_Path = _T("c:\\"); l=Lmr
m_Number = _T("0 picture captured."); {LR#(q$1
nCount=0; F2Nb5WT
bRegistered=FALSE; q$e
T!'x
bTray=FALSE; Ws2prh^e(
//}}AFX_DATA_INIT e_fg s>o`(
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 yVbg,q'?
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); H}u)%qY+~
} 9+WY@du+
|U;w !0
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) , V0iMq
{ 5#9`ROT9
CDialog::DoDataExchange(pDX); &-EyM*:u!
//{{AFX_DATA_MAP(CCaptureDlg) B`'}&6jr.
DDX_Control(pDX, IDC_KEY, m_Key); T>AI0R3
DDX_Check(pDX, IDC_CONTROL, m_bControl); m)tI
DDX_Check(pDX, IDC_ALT, m_bAlt); ,*9#c*'S
DDX_Check(pDX, IDC_SHIFT, m_bShift); =RCfibT!C
DDX_Text(pDX, IDC_PATH, m_Path); Y{x[N}h
DDX_Text(pDX, IDC_NUMBER, m_Number); *~\;&G29Y
//}}AFX_DATA_MAP @LwVmR |{
} E
6>1Fm8%V
mI_ 6f~
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) ;ph+ZV
//{{AFX_MSG_MAP(CCaptureDlg) DYy@t^sC
ON_WM_SYSCOMMAND() LaAgoarN
ON_WM_PAINT() .HH,l
ON_WM_QUERYDRAGICON() S4@117z5
ON_BN_CLICKED(ID_ABOUT, OnAbout) ~|$) 1
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) \kua9bK
ON_BN_CLICKED(ID_CHANGE, OnChange) $S"zxEJJ Y
//}}AFX_MSG_MAP HnH2u;
END_MESSAGE_MAP() J8`1V`$
ThT.iD[
BOOL CCaptureDlg::OnInitDialog() 3RTB~K8:{
{ W2X+NacD
CDialog::OnInitDialog(); DbPBgD>Q
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); +ik N) D
ASSERT(IDM_ABOUTBOX < 0xF000); .q'FSEkMJ
CMenu* pSysMenu = GetSystemMenu(FALSE); 8&`T<ECq>
if (pSysMenu != NULL) n]6w)wE(
{ 5jj57j"
CString strAboutMenu; %o SfL;W7
strAboutMenu.LoadString(IDS_ABOUTBOX); j3V"d 3)
if (!strAboutMenu.IsEmpty()) |?pYJkrYO
{ YA/H;707l
pSysMenu->AppendMenu(MF_SEPARATOR); XH_qA[=c]
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); Cbf,X[u
} :">~(Rd ZH
} *I;Mp
SetIcon(m_hIcon, TRUE); // Set big icon 37za^n?SG
SetIcon(m_hIcon, FALSE); // Set small icon lzQ&)7`
m_Key.SetCurSel(0); f R{WS:Pv
RegisterHotkey(); ":ws~Zep
CMenu* pMenu=GetSystemMenu(FALSE); =^".{h'-
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); @Z1?t%1
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); ua. 6?W)
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); H~1?MAX
return TRUE; // return TRUE unless you set the focus to a control ./5MsHfbxt
} sB*h`vs0T
[))2u:tbS\
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) 'KW+Rr~tZn
{ 7u&H*e7
if ((nID & 0xFFF0) == IDM_ABOUTBOX) a7 '\*
{ =fu_ Jau}
CAboutDlg dlgAbout; 0 ^-b}
dlgAbout.DoModal(); iaq:5||,
} Ug[F3J|Mu
else 5"Xo R)
{ 6b1 Uj<
CDialog::OnSysCommand(nID, lParam); mhHm#
} ::Ve ,-0
} n$\6}\k
s*A|9uf5
void CCaptureDlg::OnPaint() "MVN/Gl
{ T=)L5 Vuq<
if (IsIconic()) W1M/Z[h6)5
{ }e;p8)]Wl
CPaintDC dc(this); // device context for painting =K&q;;h
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); !un"XI0`t<
// Center icon in client rectangle wE=8jl*
int cxIcon = GetSystemMetrics(SM_CXICON); ,'@ISCK^
int cyIcon = GetSystemMetrics(SM_CYICON); Y_ u7
0@`
CRect rect; )7 BNzj"~
GetClientRect(&rect); }Q,C;!'"
int x = (rect.Width() - cxIcon + 1) / 2; ZpP6Q
int y = (rect.Height() - cyIcon + 1) / 2; A UO0
// Draw the icon s!zr>N"
dc.DrawIcon(x, y, m_hIcon); =?QQb>
} #
v/aI*Rl
else -Z#]_C{Y-)
{ W71#NjM2Z
CDialog::OnPaint(); ;R-Q,aCM}
} u=?P*Y/|W
} X$Qi[=L
vzQmijr-
HCURSOR CCaptureDlg::OnQueryDragIcon() Lw78v@dY
{ dYttse'
return (HCURSOR) m_hIcon; 1 bx^Pt)
} /:];2P6#X
&qj&WfrB,
void CCaptureDlg::OnCancel() I5 7<