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:
"o2p|2c
HgvgO\`] 一、实现方法
y>Zvos e r Lg(J|^ 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:
+FfT)8@W QM\vruTB #pragma data_seg("shareddata")
6vbWe@#U/ HHOOK hHook =NULL; //钩子句柄
,24NMv7 UINT nHookCount =0; //挂接的程序数目
W$B&asO static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
|s-q+q{| static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
Z.am^Q^Y! static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
g]EDL<b static int KeyCount =0;
VUC static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
PVP,2Yq! #pragma data_seg()
Z4A
a ` wuA}v3! 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。
r5jiB L~ T)&J}^j 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:
kT@RA} R $HIJM BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
d"<Q}Ay cKey,UCHAR cMask)
DQ :w9 {
)X@Obg BOOL bAdded=FALSE;
X0O0Y>" for(int index=0;index<MAX_KEY;index++){
.j:.?v if(hCallWnd[index]==0){
AFcsbw hCallWnd[index]=hWnd;
cTu7U=% HotKey[index]=cKey;
k$UgTZ HotKeyMask[index]=cMask;
("0@_05OH bAdded=TRUE;
dya]^L}fL KeyCount++;
T=35? break;
9w'3d@ }
06"p^# }
!<H[h4g return bAdded;
!`q*{Ojx }
EF=.L{ //删除热键
ZZOBMF7 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
v+U(
#" {
Ev* b BOOL bRemoved=FALSE;
.yE!,^j.gB for(int index=0;index<MAX_KEY;index++){
:#0uy1h if(hCallWnd[index]==hWnd){
MzT#1~ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
\?c0XD hCallWnd[index]=NULL;
"u5Hm ^H HotKey[index]=0;
}$!bD
HotKeyMask[index]=0;
Ni*f1[sI< bRemoved=TRUE;
o"~ODN"L KeyCount--;
Y$b4Ga9j break;
Zs<}{`- }
Bzn{~&i?W: }
`<kHNcm }
<8Ek-aNNt return bRemoved;
xy>wA }
4b=hFwr[? CZRrb 84 =Xh^@OR DLL中的钩子函数如下:
cE>K:3n ^
AxU LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
]vJZ v"ACn {
O&l(`*P BOOL bProcessed=FALSE;
*')BP;|V` if(HC_ACTION==nCode)
p8K4^H {
hm3,?FMbq if((lParam&0xc0000000)==0xc0000000){// 有键松开
O=LS~&=, switch(wParam)
jIJVl \i] {
4v9zFJ<Z case VK_MENU:
TU$PAwn= MaskBits&=~ALTBIT;
G7 > break;
rs{e6 case VK_CONTROL:
A!Zjcp| MaskBits&=~CTRLBIT;
y
,isK break;
`l@[8H%aw case VK_SHIFT:
(oX|lPD<b MaskBits&=~SHIFTBIT;
fx %Y(W#5 break;
\}xK$$f2, default: //judge the key and send message
I"Y d6M%
; break;
4*MjDb }
]'V8{l for(int index=0;index<MAX_KEY;index++){
)tR5JK} AV if(hCallWnd[index]==NULL)
dQ ?4@ continue;
qKt8sxg if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
V&vU her0 {
R~8gw^w![ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
(Z5=GJM?$ bProcessed=TRUE;
jcHs! }
u':-DgK }
<HM\ZDo@P }
&B^#?vmO else if((lParam&0xc000ffff)==1){ //有键按下
)#k*K9[@ switch(wParam)
=BQM(mal {
$V-]DD%Y case VK_MENU:
r_p9YS@I MaskBits|=ALTBIT;
B 3|zR break;
21D4O,yCe case VK_CONTROL:
}HtP8F8!x MaskBits|=CTRLBIT;
;tTM3W-h break;
qJ|ByZ.N+ case VK_SHIFT:
[1B F8: MaskBits|=SHIFTBIT;
4"1OtBU3 break;
&i"33.#] default: //judge the key and send message
jUtrFl break;
16/+ O$#y }
<_@ K4zV for(int index=0;index<MAX_KEY;index++){
q"ba~@<BEl if(hCallWnd[index]==NULL)
KK4>8zGR continue;
*6 -;iT8 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Onb*nm {
hh<5?1 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
+*'
bProcessed=TRUE;
J XKps#,(# }
loN!&YceW }
(1JZuR<?c }
3lH#+@ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
%HSS
x+2oR for(int index=0;index<MAX_KEY;index++){
#S2LQ5U if(hCallWnd[index]==NULL)
@QI]P{ continue;
k1Zu&4C\ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
Oh6_Bci SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
Ntr5Q
IPd //lParam的意义可看MSDN中WM_KEYDOWN部分
vR`-iRQ?_ }
/+4Dq4{t) }
u /!U/| }
^4(CO[|c~ return CallNextHookEx( hHook, nCode, wParam, lParam );
6i[\?7O'0 }
QT{$2 7; GlP
[: 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
S_LY>k? vb/*ILS BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
hu~02v5 BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
{%D!~,4Ht `%AFKmc^; 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
|57KTiiNLI /{ YUM~ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
>0)E\_ u {
@v_E'
9QG^ if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
w8:F^{ {
5~k-c Ua //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
:}x\&]uC#k SaveBmp();
i,rP/A^q return FALSE;
Y<TlvB)w }
ONJW*!( …… //其它处理及默认处理
X@Eq5s }
}`6-^lj VOwt2&mZ ?2[=llS4 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
fOiLb.BW k/AcXU%O+ 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
AbUU#C7 8OH<ppi 二、编程步骤
ASY
uZ 6CO>Tg:% 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
KIn^,d0H 8(ny^]v| 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
S<Q8kW: M['25[ 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
=bs4*[zq ,]Yjo>`tW 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
+EG.p &=fBqod 5、 添加代码,编译运行程序。
/eDah3%d R<LW*8 三、程序代码
%_u*5,w F`8A!|cIy ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
RyD2LAf)J #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
G+4a%?JH #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
0K>rc1dy #if _MSC_VER > 1000
O/_}O_rR #pragma once
7}Z.g9< #endif // _MSC_VER > 1000
1pXAPTV #ifndef __AFXWIN_H__
\sHM[nF0 #error include 'stdafx.h' before including this file for PCH
g _;5" #endif
.Y'kDuUu #include "resource.h" // main symbols
B;4hI? class CHookApp : public CWinApp
-qfd)A6] {
#@BM1BpQ public:
1jo.d CHookApp();
Oz^+;P1 // Overrides
w$A*|^w1 // ClassWizard generated virtual function overrides
^*C6]*C}te //{{AFX_VIRTUAL(CHookApp)
SZg+5MD;X public:
"V~U{(Z virtual BOOL InitInstance();
6_;3 virtual int ExitInstance();
_jH1Mcq //}}AFX_VIRTUAL
g-mK(kY4p //{{AFX_MSG(CHookApp)
mDipP // NOTE - the ClassWizard will add and remove member functions here.
C JiMg'K // DO NOT EDIT what you see in these blocks of generated code !
@SPmb o //}}AFX_MSG
<<(~'$~,L DECLARE_MESSAGE_MAP()
}llzO };
yHQ.EZ~% LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
T7m rOp BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
^]'p927 BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
*-Lnsi^7v BOOL InitHotkey();
E1 *\)q BOOL UnInit();
&gF{<$$ #endif
S)VuT0 cgYMo{R3 //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
9rB^)eV #include "stdafx.h"
Y~=5umNSX #include "hook.h"
h1fJ`WT6, #include <windowsx.h>
z-[Jbjhd #ifdef _DEBUG
{0QD-b o #define new DEBUG_NEW
M(Jf&h4b #undef THIS_FILE
\#tr4g~u static char THIS_FILE[] = __FILE__;
qfC9 {gu #endif
a&L8W4 #define MAX_KEY 100
""Drf=] #define CTRLBIT 0x04
1>a^Q #define ALTBIT 0x02
;}f%b E #define SHIFTBIT 0x01
rZGbU&ZM8 #pragma data_seg("shareddata")
cWFvYF HHOOK hHook =NULL;
(4ow0}1 UINT nHookCount =0;
%Tsefs?_ static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
FD|R4 V*3 static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
G D[~4G static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
:KX/` static int KeyCount =0;
H=X>o.iVqi static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
Btpx[T #pragma data_seg()
Zu%_kpW HINSTANCE hins;
_I{&5V~z void VerifyWindow();
b%$S6. BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
4
CX*,7LZ //{{AFX_MSG_MAP(CHookApp)
A
,LAA$ // NOTE - the ClassWizard will add and remove mapping macros here.
C+5^[V // DO NOT EDIT what you see in these blocks of generated code!
dUb(C1h //}}AFX_MSG_MAP
L8bq3Q'p END_MESSAGE_MAP()
pKEMp&geo nkhM1y CHookApp::CHookApp()
BD4.sd+H, {
xR#hU;E} // TODO: add construction code here,
(Egykh> // Place all significant initialization in InitInstance
/6gRoQ%j }
L@a-"(TN+
\SLYqJ~m CHookApp theApp;
J)jiI> LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
WK;p[u?~xi {
{GWcw<g.B BOOL bProcessed=FALSE;
! \awT if(HC_ACTION==nCode)
t"0~2R6i {
a$aI% if((lParam&0xc0000000)==0xc0000000){// Key up
SI;G|uO;/ switch(wParam)
uT-WQ/id {
5I&^n0h|& case VK_MENU:
[&{"1Z MaskBits&=~ALTBIT;
DN^ln%# break;
E\V>3rse case VK_CONTROL:
ni%^w(J3Q MaskBits&=~CTRLBIT;
;"Ot\:0 break;
cK-!Evv case VK_SHIFT:
zLxWyPM0; MaskBits&=~SHIFTBIT;
?erDP8 break;
Do_L default: //judge the key and send message
^f`#8G7 ( break;
Rdnd| }
jC\R8_ for(int index=0;index<MAX_KEY;index++){
^<% w'*gR if(hCallWnd[index]==NULL)
uxh4nyE continue;
k*M{?4 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
DdSUB {
RhQOl9 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Ix *KL=MG bProcessed=TRUE;
'HqAm$V+ }
>_F&oA# }
AOWI` }
t?0=;.D else if((lParam&0xc000ffff)==1){ //Key down
DV%tby switch(wParam)
$%t{O[( {
fi?[ e?|c@ case VK_MENU:
/(}V!0\? MaskBits|=ALTBIT;
D!Gm9Pa} break;
E'r*
g{, case VK_CONTROL:
W6_3f-4g MaskBits|=CTRLBIT;
[j!0R'T break;
fptW#_V2 case VK_SHIFT:
iww h,( MaskBits|=SHIFTBIT;
S[u<vHy break;
V_
]4UE default: //judge the key and send message
Z].>U!7W break;
T8Khm O }
a"&Z!A:Z= for(int index=0;index<MAX_KEY;index++)
sztnRX_ {
huq6rA/i if(hCallWnd[index]==NULL)
hCo&SRC/5 continue;
P'
J_:\ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
lN1zfM {
A?7%q^;E SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
"RShsJZMH bProcessed=TRUE;
tNUcmiY }
#g|j;{P }
w}(xs)`num }
[p7le8= if(!bProcessed){
!t_,x= for(int index=0;index<MAX_KEY;index++){
u>(Q& 25 if(hCallWnd[index]==NULL)
,\qo continue;
Maxnk3n if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
92VAQU6 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
jkdNisq37 }
w"BTu-I }
h)<42Y }
8:A<PV!+ return CallNextHookEx( hHook, nCode, wParam, lParam );
4p-$5Fk8} }
-p;oe}| X,q=JS BOOL InitHotkey()
pGcc6q1
{
{jc~s~<# if(hHook!=NULL){
We4 FR4` nHookCount++;
YT3QwN9 return TRUE;
+(/Z=4;,[ }
9M!_D?+P? else
O.4"h4{' hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
lGM3?AN if(hHook!=NULL)
BT#>b@Xub nHookCount++;
pUwX
cy<n return (hHook!=NULL);
uo65i 1oi }
nAX|=qp# BOOL UnInit()
pIrAGA; {
D!<$uAT if(nHookCount>1){
0 /kbxpih nHookCount--;
CX:^]wY return TRUE;
zHU#Jjc_b }
^twv0>vEo BOOL unhooked = UnhookWindowsHookEx(hHook);
woT" 9_tN if(unhooked==TRUE){
bFVdv&
nHookCount=0;
6d.m@T6~ hHook=NULL;
RSi0IfG5 }
SKtEEFyIR_ return unhooked;
7L\GI`y }
y$&a(S] 2$Ji4`p}S BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
-j$l@2g {
%F 4Q| BOOL bAdded=FALSE;
FlgB-qR]<n for(int index=0;index<MAX_KEY;index++){
E:o:)h?$ if(hCallWnd[index]==0){
D4vmBVT hCallWnd[index]=hWnd;
3Mcz9exY HotKey[index]=cKey;
?I0 i%nH HotKeyMask[index]=cMask;
=ddx/zN bAdded=TRUE;
p}.b#{HJ KeyCount++;
n=SZ8Rj7 break;
,G:4H%? }
Pz)QOrrG~ }
M$?6
' return bAdded;
5ya3mNE }
IMR|a*=`c ~^euaOFU 6 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
CeiU2.:U {
R P X`2zr BOOL bRemoved=FALSE;
o"FX+17 for(int index=0;index<MAX_KEY;index++){
v\k,,sI if(hCallWnd[index]==hWnd){
}ri*e2y) if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
2at?9{b hCallWnd[index]=NULL;
/j)VES HotKey[index]=0;
g@y"
B6X HotKeyMask[index]=0;
X|QCa@Foe bRemoved=TRUE;
'-S&i{H KeyCount--;
LWL>hd break;
b c4x"]! }
__fR #D }
Y) h%<J }
8 (KfX% return bRemoved;
A{J 1 n }
*0hiPj: )f!dG(\ void VerifyWindow()
mce`1Tjw {
p)^:~ll for(int i=0;i<MAX_KEY;i++){
CU;nrd " if(hCallWnd
!=NULL){ z-gwNE{
if(!IsWindow(hCallWnd)){ &0eB@8{N
hCallWnd=NULL; g"&bX4uD)
HotKey=0; L@_">'pR
HotKeyMask=0; &+j^{a
KeyCount--; (rG1_lUDu
} XH *tChf<
} D+)=bPMe
} 0;h1LI)
} 3uw7 J5x
/hM>dkwu
BOOL CHookApp::InitInstance() [4hO3):F
{ -h@0 1
AFX_MANAGE_STATE(AfxGetStaticModuleState()); :|M/+XPu
hins=AfxGetInstanceHandle(); +.lWck
InitHotkey(); huoKr
return CWinApp::InitInstance(); mo,l`UL
} h3lDDyu
Qkib;\2
int CHookApp::ExitInstance() Wh Zaq
{ B# ?2,
VerifyWindow(); n2{{S(N
UnInit(); ~0-764%
return CWinApp::ExitInstance(); e]
K=Nm
} |3,V%>z
|3s&Y`x-D
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file k4$q|x7+%
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) _0*>I1F~
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ p},Fwbl
#if _MSC_VER > 1000 !ix<|F5
#pragma once IOkC [([
#endif // _MSC_VER > 1000 w;EXjl;X O
-p.*<y
class CCaptureDlg : public CDialog dl6v
<
{ klJ[ {p
// Construction F!&pENQ
public: 2]3HX3
BOOL bTray; ~Ex.Yp8.
BOOL bRegistered; :dguQ|e
BOOL RegisterHotkey(); 3> #mO}\
UCHAR cKey; 6eT'[Umx
UCHAR cMask; GWInN8.5
void DeleteIcon(); ZGpTw[5ql
void AddIcon(); @pGlWw9*
UINT nCount; uT} TSwgp
void SaveBmp(); b3b~T]]
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 8q [c
// Dialog Data egvy#2b@
//{{AFX_DATA(CCaptureDlg) &@HNz6KO
enum { IDD = IDD_CAPTURE_DIALOG }; ix9HSa{d
CComboBox m_Key; <i'u96
BOOL m_bControl; ),]2`w&k
BOOL m_bAlt; H@MFj>~
BOOL m_bShift; n<:d%&^n
CString m_Path; vaRwhE:
CString m_Number; dA}
72D?
//}}AFX_DATA MpA;cw]cI/
// ClassWizard generated virtual function overrides zg7l>9Sc
//{{AFX_VIRTUAL(CCaptureDlg) 'n[+r}3
public: +qUkMx
virtual BOOL PreTranslateMessage(MSG* pMsg); I\upnEKKzZ
protected: vA;F]epr!
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support ~$4.Mf,u
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); aGe(vQPi9
//}}AFX_VIRTUAL q[7d7i/r6
// Implementation `8(h,aj;
protected: hO/5>Zv?
HICON m_hIcon; k&A7alw
// Generated message map functions nF<y7XkO
//{{AFX_MSG(CCaptureDlg) lW$&fuDHF
virtual BOOL OnInitDialog(); Z|(c(H2
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); "Ug/
',jkV
afx_msg void OnPaint(); D*cyFAF
afx_msg HCURSOR OnQueryDragIcon(); #<wpSs
virtual void OnCancel(); S&3X~jD(1
afx_msg void OnAbout(); =~hsKBt*
afx_msg void OnBrowse(); rocB"0
afx_msg void OnChange(); (.,'}+1
//}}AFX_MSG P-+M,>vNy[
DECLARE_MESSAGE_MAP() ZS XRzH~0
}; WY"Y)S
#endif X&(ERY,h
#$=8g
RZj
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file H=&/ Q
#include "stdafx.h" WBr:|F+~s
#include "Capture.h" 4Oy.,MDQP
#include "CaptureDlg.h" ojx'g8yO
#include <windowsx.h> bEBBwv
#pragma comment(lib,"hook.lib") yQZ/,KX
#ifdef _DEBUG *`ZB+ \*
#define new DEBUG_NEW #*$_S@
#undef THIS_FILE {^cF(7p
static char THIS_FILE[] = __FILE__; vx!::V7s6
#endif WQ[}&kY~
#define IDM_SHELL WM_USER+1 wb6 L?t
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); G#w^:UL
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); zg#m09[4
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; 7G.o@p6$
class CAboutDlg : public CDialog 0+}EA[
{ KQ4kZN
public: Pr5g6I'G
CAboutDlg(); Q1`<fD
// Dialog Data v7;J%9=0D`
//{{AFX_DATA(CAboutDlg) ;%u_ ;,((
enum { IDD = IDD_ABOUTBOX }; Dxt),4%P
//}}AFX_DATA +Y>"/i.
N
// ClassWizard generated virtual function overrides [eNkU">}
//{{AFX_VIRTUAL(CAboutDlg) |rHG%VnBH
protected: =.36y9Mfo
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support _F`$ d2
//}}AFX_VIRTUAL [ WV@ w
// Implementation +M'aWlPg,
protected: .tRr?*V|l
//{{AFX_MSG(CAboutDlg) ItI0x
//}}AFX_MSG ~u /aOd
DECLARE_MESSAGE_MAP() q=6Cc9FN
}; yo\N[h7
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CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 7/H^<%;y
{ fJN*s
//{{AFX_DATA_INIT(CAboutDlg) C.J`8@a]?
//}}AFX_DATA_INIT Oj4v#GK]
} 4\LZD{
rv9B}%e
void CAboutDlg::DoDataExchange(CDataExchange* pDX) #NvQmz?J?
{ bTLMd$
CDialog::DoDataExchange(pDX); FXP6zHsV
//{{AFX_DATA_MAP(CAboutDlg) b?_e+:\UV
//}}AFX_DATA_MAP {=UFk-$=
} ^WE4*.(
+|y*}bG
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) |KL')&"
//{{AFX_MSG_MAP(CAboutDlg) XE_ir
Et
// No message handlers ?y~TC qV
//}}AFX_MSG_MAP I=K!)X$
END_MESSAGE_MAP() Rn`ld@=p[
'lJEHz\
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) ?X\3&Ujy$
: CDialog(CCaptureDlg::IDD, pParent) `|$'g^eCL
{ {5^K Xj$B
//{{AFX_DATA_INIT(CCaptureDlg) \6{krn|
m_bControl = FALSE; qysTjGwa]
m_bAlt = FALSE; iI5+P`sE&J
m_bShift = FALSE; fUC9-?(K
m_Path = _T("c:\\"); L0rip5[;d
m_Number = _T("0 picture captured."); &V'519vmoZ
nCount=0; CuH2E>wz
bRegistered=FALSE; !fY7"E{%%
bTray=FALSE; ypx: )e"/
//}}AFX_DATA_INIT HTmI1
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 ^Ye\u1n4
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); GCDwWCxh
} Sw~(uH_l
^ eQFg>
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) '77~{jy
{ |]`hXr
CDialog::DoDataExchange(pDX); 0n
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//{{AFX_DATA_MAP(CCaptureDlg) {esJ=FV\
DDX_Control(pDX, IDC_KEY, m_Key); U{6oLqwq3Y
DDX_Check(pDX, IDC_CONTROL, m_bControl); `@[l\.Vt:
DDX_Check(pDX, IDC_ALT, m_bAlt); ]r4bRK[1
DDX_Check(pDX, IDC_SHIFT, m_bShift); qO-9
x0v#
DDX_Text(pDX, IDC_PATH, m_Path); /<);=&[
DDX_Text(pDX, IDC_NUMBER, m_Number); QK)){cK
//}}AFX_DATA_MAP JB3 "EFv
} (n,u|}8Y
4({(i
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) C{EAmv'
//{{AFX_MSG_MAP(CCaptureDlg) oM!xz1kVL
ON_WM_SYSCOMMAND() :.kZR;
ON_WM_PAINT() 07V8;A<,
ON_WM_QUERYDRAGICON() ,7W:fwdR
ON_BN_CLICKED(ID_ABOUT, OnAbout) {(
#zcK
ON_BN_CLICKED(IDC_BROWSE, OnBrowse)
bu>qsU3
ON_BN_CLICKED(ID_CHANGE, OnChange) Dj i^+;"&
//}}AFX_MSG_MAP DAfyK?+UL
END_MESSAGE_MAP() ~9\$5n)a
eG5Y+iL-V
BOOL CCaptureDlg::OnInitDialog() Z(j{F<\jS
{ S}(8f!9<
CDialog::OnInitDialog(); }GumpT$Xw
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); (hIF]>,kl
ASSERT(IDM_ABOUTBOX < 0xF000); jjRUL.
CMenu* pSysMenu = GetSystemMenu(FALSE); + WVIZZ8
if (pSysMenu != NULL) _A98
{ !Uh2}ic
CString strAboutMenu; <a4TO8
strAboutMenu.LoadString(IDS_ABOUTBOX); As~(7?]r
if (!strAboutMenu.IsEmpty()) w~z[wm Okp
{ #2RiLht
pSysMenu->AppendMenu(MF_SEPARATOR); /kgeV4]zR
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); hfqqQ!,l!
} ~*M$O &
} !*aPEf270
SetIcon(m_hIcon, TRUE); // Set big icon u: &o}[
SetIcon(m_hIcon, FALSE); // Set small icon ~e `Bq>
m_Key.SetCurSel(0); KzjC/1sd
RegisterHotkey(); c~0{s>
CMenu* pMenu=GetSystemMenu(FALSE); oc7$H>ET1
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); CS 8jA\
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); :IMdN}(L
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); uI~s8{0T6
return TRUE; // return TRUE unless you set the focus to a control aZ X mlq
} 20b<68h$:
Fk"Ee&H)(
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) ~
Vw9
{ RBwO+J53y
if ((nID & 0xFFF0) == IDM_ABOUTBOX) ]}Z4P-"t
{ ST5V!jz
CAboutDlg dlgAbout; -#In;~
dlgAbout.DoModal(); 'm3t|:nMU
} X
T[zj<&_
else .B72C[' c
{ hB9Ee@
CDialog::OnSysCommand(nID, lParam); .pPm~2]z
} R!(ZMRMn
} >(r{7Qg
sa1h%<
void CCaptureDlg::OnPaint() {D`'0Z1"
{ )w h%|
if (IsIconic()) |&3x#1A
{ 7%MbhlN.
CPaintDC dc(this); // device context for painting DC+b=IOz
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); t23'x0l
// Center icon in client rectangle ^03j8Pc-c
int cxIcon = GetSystemMetrics(SM_CXICON); 2f>PO +4S{
int cyIcon = GetSystemMetrics(SM_CYICON); >&,[H:Z
CRect rect; ,](:<A)W&
GetClientRect(&rect); _;1}x%4v
int x = (rect.Width() - cxIcon + 1) / 2; >j*;vG5T
int y = (rect.Height() - cyIcon + 1) / 2; WIr2{+#
// Draw the icon 'G&{GVbXY
dc.DrawIcon(x, y, m_hIcon); r%@Lej5+
} \f:z+F!6R
else 7ZxaPkIu&%
{ urBc=3Rz
CDialog::OnPaint(); NGC,lv
} '3 33Ctxy
} 1x)ZB~L
%" D%:
HCURSOR CCaptureDlg::OnQueryDragIcon() gF?[rqz{
{ N8toxRu
return (HCURSOR) m_hIcon; TlZT1H
} =( v^5
j;b42G~p
void CCaptureDlg::OnCancel() p;T{i._iL
{ h!rM^
if(bTray) +Y"r71|A6+
DeleteIcon(); q h/F
CDialog::OnCancel(); }`(N:p
} ;0rGiWC#
'e)^m}:?D
void CCaptureDlg::OnAbout() j/`94'Y
{ k%s_0
@
CAboutDlg dlg; Byl^?5
dlg.DoModal(); !RB)_7
} <"N_j]wD
sm,VYYs
void CCaptureDlg::OnBrowse() 4y:]DC"
{ kOOGw:/
CString str; -l~Z0U>^
BROWSEINFO bi; W%<LTWOc
char name[MAX_PATH]; 2. G=8:l
ZeroMemory(&bi,sizeof(BROWSEINFO)); N|N3x7=gs
bi.hwndOwner=GetSafeHwnd(); MP Z3D9
bi.pszDisplayName=name; v
^[39*8
bi.lpszTitle="Select folder"; F{06 _T
bi.ulFlags=BIF_RETURNONLYFSDIRS; {]_uMg#!
LPITEMIDLIST idl=SHBrowseForFolder(&bi); ;~fT,7qBah
if(idl==NULL) 3@+b}9s8
return; hu_ ^OlF
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); }%b;vzkG5
str.ReleaseBuffer(); 7SD Fz}
m_Path=str; &