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:
hr@kU x
kuq&8f~! 一、实现方法
2`'g
9R ~:krJ[= 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:
qkbGM-H%U aRV.;S #pragma data_seg("shareddata")
WWEZTFL:j HHOOK hHook =NULL; //钩子句柄
8l.bT|#O UINT nHookCount =0; //挂接的程序数目
@k-C>h()C static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
s'4O]k` static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
Vi m:: static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
L*6R5i> static int KeyCount =0;
WEaG/)y static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
eIDrN%3 #pragma data_seg()
11^.oa+` H*H~~yQ 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。
MD):g@ ;!hwcO kX 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:
{{r.?m#{ &wa2MNCG8 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
c
8t cKey,UCHAR cMask)
Y&uwi:_g {
P @Jo[J< BOOL bAdded=FALSE;
%O|+`" for(int index=0;index<MAX_KEY;index++){
0SV<Pl^ if(hCallWnd[index]==0){
^7Rc\ hCallWnd[index]=hWnd;
3<x1s2U HotKey[index]=cKey;
WR"?j9y_q HotKeyMask[index]=cMask;
B"Ma<"HU bAdded=TRUE;
nl-y0xD9c KeyCount++;
M!wa } break;
@B`nM#X# }
.fgVzDR|+ }
>~;=
j~ return bAdded;
r!<)CT}D }
d iWi0@ //删除热键
ID]E3K BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
vbh 5 {
$5wf{iZY.Q BOOL bRemoved=FALSE;
ew.jsa`TrW for(int index=0;index<MAX_KEY;index++){
^~1Z"kAnT if(hCallWnd[index]==hWnd){
L,O.XR if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
&J\<"3 hCallWnd[index]=NULL;
FeT|
Fh:L HotKey[index]=0;
M<nH HotKeyMask[index]=0;
`m`Y3I bRemoved=TRUE;
%M*2 j%6 KeyCount--;
G,}"}v: break;
K`0'2 }
$(]E$ek }
P,rD{ 0~ }
bo-L|R&O return bRemoved;
/:d6I]. }
`aDVN_h{6 Qt\^h/zjG Q*N{3G! DLL中的钩子函数如下:
sOO_J!bblP Aw]kQ\P& LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
ny"z<N&}/ {
MwC} BOOL bProcessed=FALSE;
K|Xr~\= if(HC_ACTION==nCode)
G ?Hx"3:? {
&Nw[J5-"k if((lParam&0xc0000000)==0xc0000000){// 有键松开
+O)Y7k{?C5 switch(wParam)
u[HamGxx$u {
0VZC7@ case VK_MENU:
U1W8f|u MaskBits&=~ALTBIT;
:6qt[(<" break;
]
T<#bNK\1 case VK_CONTROL:
[(2XL"4D MaskBits&=~CTRLBIT;
jN AS'JV break;
+~V)&6Vn case VK_SHIFT:
v~A*?WU;n MaskBits&=~SHIFTBIT;
&^7(?C'u break;
f28bBuv1? default: //judge the key and send message
+!K*FU=). break;
u}.mJDL }
d2?#&d'aq for(int index=0;index<MAX_KEY;index++){
xErAs}| if(hCallWnd[index]==NULL)
]*hH.ZBY"^ continue;
Pj1 k?7 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
A">R-1R {
P]O=K SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
)x<BeD bProcessed=TRUE;
`B~zB=} }
Ig<# {V }
g`w46X }
iwy;9x else if((lParam&0xc000ffff)==1){ //有键按下
B- D&1gO switch(wParam)
Oye6IT" {
_C)\X(; case VK_MENU:
ZfXgVTJ` MaskBits|=ALTBIT;
&x\cEI)! break;
+{#L,0t case VK_CONTROL:
g2?yT ? MaskBits|=CTRLBIT;
Ae%AG@L break;
_\gCdNrD case VK_SHIFT:
@*E=O | MaskBits|=SHIFTBIT;
Sf*gAwnW break;
ME66BWg{ default: //judge the key and send message
<.2jQ#So break;
lPD&Doa }
pL . 0_ for(int index=0;index<MAX_KEY;index++){
\
B'AXv6 if(hCallWnd[index]==NULL)
G+&pq continue;
=Qf{ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
?G<ISiABQC {
sDY+J(Z SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
4Y{;%;-i bProcessed=TRUE;
z+{xW7 }
y\})C-& }
gT(8.<h8 }
8Wo!NG:V5 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
1aZGt2; for(int index=0;index<MAX_KEY;index++){
D"2bgw if(hCallWnd[index]==NULL)
+`iJ+ continue;
((&5F!+\- if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
1Ko4O)L]& SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
&WeN{ //lParam的意义可看MSDN中WM_KEYDOWN部分
<'QI_mP* }
)}P/xY0 }
cwOa"]t} }
^]D+H9Tl return CallNextHookEx( hHook, nCode, wParam, lParam );
Sx8C<S5r< }
^X?uAX-RP| "lrQC`? 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:
l"7#(a U~d%5?q BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
!zsrORF{ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
{
'402
CvR-lKV< 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:
%@:6& =\k:] LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
=kf"%vFV {
|MOz>1<a if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
ddN G: {
:>/6:c?atG //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
-L<FVB SaveBmp();
-$X4RS return FALSE;
h#c7v!g }
zkiwFEHA= …… //其它处理及默认处理
!??g:2 }
80`$F{xcX f7 |Tp m "LSzF_mK 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
-w>ss& d"n"A?nXh 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
(tX)r4VU 0yvp>{;p 二、编程步骤
:wN!E{0j 1+Uem 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
1J72*`4OK S;y4Z:! 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
Bnk' >t<\zC|~w 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
6`vW4]zu m;A[2 6X 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
L^zh|MEyzk E N CWOj 5、 添加代码,编译运行程序。
T--%UZD]W awI{%u_(nA 三、程序代码
CUHT5J*sY "Zx<hL* ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
nt+OaXe5D #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
~A1!!rJX #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
aj,o<J #if _MSC_VER > 1000
1;DRcVyS+ #pragma once
>x3lA0m #endif // _MSC_VER > 1000
B^]PKjLNZ #ifndef __AFXWIN_H__
IibYG F #error include 'stdafx.h' before including this file for PCH
H
cyoNY #endif
gWoUE7.3` #include "resource.h" // main symbols
~
rQ,%dH class CHookApp : public CWinApp
]31=8+D {
Y9>92#aME public:
!%D';wQ,/ CHookApp();
! nvg:$.& // Overrides
e(xuy'4r // ClassWizard generated virtual function overrides
3kk^hvB+f //{{AFX_VIRTUAL(CHookApp)
FUlhEH public:
Ibu9AwPm virtual BOOL InitInstance();
R&BWCC{ virtual int ExitInstance();
d=n{Wn{C //}}AFX_VIRTUAL
b$%Kv( //{{AFX_MSG(CHookApp)
M0~%[nX // NOTE - the ClassWizard will add and remove member functions here.
!_QT{H // DO NOT EDIT what you see in these blocks of generated code !
F>3 o0ke} //}}AFX_MSG
k& +gkJm DECLARE_MESSAGE_MAP()
_ziSH 3( };
dq`{fqGl LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
8e3eQ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
D7T|K :F) BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
E>f{j:M BOOL InitHotkey();
*coUHbP9> BOOL UnInit();
AWYlhH4c?t #endif
G}^=(,jl P"l'? ` //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
1+WVh7gF #include "stdafx.h"
i>]PW|]
#include "hook.h"
5 7t.Ud #include <windowsx.h>
1kw*Q: #ifdef _DEBUG
g2m*Q% #define new DEBUG_NEW
0 p?AL= #undef THIS_FILE
fK+
5 static char THIS_FILE[] = __FILE__;
pjX= :K| #endif
Eu:/U*j #define MAX_KEY 100
C}pm>(F~ #define CTRLBIT 0x04
ZJQFn #define ALTBIT 0x02
1}c'UEr%) #define SHIFTBIT 0x01
gwQMy$ #pragma data_seg("shareddata")
5h`L W AB HHOOK hHook =NULL;
)\ceanS UINT nHookCount =0;
4xr^4\lk static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
Su"Z3gm5Kw static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
9Dgs
A`{$ static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
Ul9^"o static int KeyCount =0;
L!zdrCM static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
Q}OloA(+ #pragma data_seg()
Z\EA!Cs3 HINSTANCE hins;
8cG`We8l& void VerifyWindow();
Vub6wb<G[ BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
+(92}~RK //{{AFX_MSG_MAP(CHookApp)
~F@n `!c // NOTE - the ClassWizard will add and remove mapping macros here.
.pQ5lK(R // DO NOT EDIT what you see in these blocks of generated code!
<j>;5!4!} //}}AFX_MSG_MAP
Y`(Ri-U4 END_MESSAGE_MAP()
c6#E gN,X -` ViuDX= CHookApp::CHookApp()
U|x Hy+N {
D|*w6p("z // TODO: add construction code here,
L;u 5 // Place all significant initialization in InitInstance
Wp8>Gfb2 }
Ycspdl+(S$ vN\[2r%S CHookApp theApp;
V%PQlc.X LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
fc8ODk*;E {
1' U BOOL bProcessed=FALSE;
*2->>"kh if(HC_ACTION==nCode)
?L7DVwVa,I {
2=n`z)R if((lParam&0xc0000000)==0xc0000000){// Key up
1xd6p switch(wParam)
T+@i;M {
<
$e#o H case VK_MENU:
69)"T{7 MaskBits&=~ALTBIT;
&Wcz~Gx3Q break;
qb=2J5su case VK_CONTROL:
&BrFcXF MaskBits&=~CTRLBIT;
; Z7!BU break;
h7q{i|5 case VK_SHIFT:
!zF07.(E MaskBits&=~SHIFTBIT;
~Jr'4% break;
X"+p=PGZK default: //judge the key and send message
#jg-q|nd break;
bUm%#a }
`1(ED= | for(int index=0;index<MAX_KEY;index++){
_Ffg"xoC if(hCallWnd[index]==NULL)
U(y8nI] continue;
W j^@Zq# if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
/~w*)e) {
r^}0qO,XM SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
B
os`+Y bProcessed=TRUE;
.Iqqjk }
xm1di@ }
pXO09L/nv }
ah,f~.X_| else if((lParam&0xc000ffff)==1){ //Key down
$M,<=.oT switch(wParam)
4tLdqs {
go AV+V7 case VK_MENU:
4~h0/H" MaskBits|=ALTBIT;
6384$mT,S break;
F +(S-Qk1 case VK_CONTROL:
[BD`h MaskBits|=CTRLBIT;
ZAn @NA= break;
jDb\4QyC case VK_SHIFT:
7WS$fUBi MaskBits|=SHIFTBIT;
v{t
pRL0 break;
hZ*vk default: //judge the key and send message
tt?`,G.(] break;
2}pZyS }
BYEZ[cM for(int index=0;index<MAX_KEY;index++)
JS^DyBXc {
G`O*AQ}[ if(hCallWnd[index]==NULL)
|YROxY"ML continue;
>P~*@>e if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
*{#C;" {
!' ^l}K> SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
4jebx
jZ bProcessed=TRUE;
p4f9v:b[ }
7Qd$@ m }
xH:L6K/c }
j}//e%$a if(!bProcessed){
~9FL]qo for(int index=0;index<MAX_KEY;index++){
A)"L+Yu5 if(hCallWnd[index]==NULL)
Dh2Cj-|
~ continue;
s=(q#Z if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
L}rZ1wV6 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
27ZqdHd }
FNH)wk }
nL=+`aq_ }
]dNNw`1\V return CallNextHookEx( hHook, nCode, wParam, lParam );
d=^QK{8 }
Pb?v i<ug+ :FI D, BOOL InitHotkey()
{Z8GG {
2H.g!( Oza if(hHook!=NULL){
/}~=)QHH nHookCount++;
7yyX8p> return TRUE;
3W[?D8yi) }
D
tZ?sG else
a)pc+w# hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
mbkt7. ,P if(hHook!=NULL)
/Z:NoTGn nHookCount++;
KF+r25uy[+ return (hHook!=NULL);
w6!97x }
6H'A]0 BOOL UnInit()
MZQDFuvDxZ {
$+GDPYm' if(nHookCount>1){
<A Hzs nHookCount--;
zO"De~[9 return TRUE;
;LP3 }
9zqo!& BOOL unhooked = UnhookWindowsHookEx(hHook);
n46!H0mJ if(unhooked==TRUE){
6?[P^{GpH nHookCount=0;
)1#/@cU hHook=NULL;
K:'^f? P }
85G-`T return unhooked;
(+(@P*c1 }
o=7,U/{D! 6ScB:8M BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
|E?r+] {
E&kv4, BOOL bAdded=FALSE;
Y|r7gy9% for(int index=0;index<MAX_KEY;index++){
1!.-/ if(hCallWnd[index]==0){
dX/7n= hCallWnd[index]=hWnd;
Oe\(=R HotKey[index]=cKey;
*z69ti/
t HotKeyMask[index]=cMask;
tE=09J%z bAdded=TRUE;
2)\->$Q(H KeyCount++;
xAd@.^ break;
?}8r h% }
Jg=!GU/:: }
"!zJQl@ return bAdded;
p*0[:/4 }
WC<[<uI* W=^.s>7G BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
wl]3g {
_"Bj`5S BOOL bRemoved=FALSE;
3,q?WH%_ for(int index=0;index<MAX_KEY;index++){
``jNj1t{} if(hCallWnd[index]==hWnd){
1!(lpp if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Cs>` f,o hCallWnd[index]=NULL;
2
G_KTYJ HotKey[index]=0;
xSD*e 0
HotKeyMask[index]=0;
M;<!C%K> bRemoved=TRUE;
J$yq#LBbR@ KeyCount--;
_:Xmq&<W break;
Nf!N;Cy? }
i!}k5k*Z }
[(x<2MTj }
CBf[$[e return bRemoved;
%k4Qx5`?d }
sPZwA0% nC,QvV void VerifyWindow()
Hj
r'C?[ {
=QVkY7 for(int i=0;i<MAX_KEY;i++){
6 :|;O if(hCallWnd
!=NULL){ N\__a~'0p
if(!IsWindow(hCallWnd)){ %r1#G.2YW
hCallWnd=NULL; &,G2<2_ b
HotKey=0; ZH\t0YhrVe
HotKeyMask=0; (4 ZeyG@
KeyCount--; %z@ Z^Jv
} P
_fCb
} w~v6=^
} qzNb\y9G
} Jyg1z,B <
?SgFD4<~P
BOOL CHookApp::InitInstance() &zy%_U2%
{ fB9,#
F
AFX_MANAGE_STATE(AfxGetStaticModuleState()); nE8z1hBUq
hins=AfxGetInstanceHandle(); 6vbKKn`ST
InitHotkey(); 1ygEyC[1
return CWinApp::InitInstance(); G(wK(P0j
} BH {z]a
:'F,l:
int CHookApp::ExitInstance() ,zx{ RDI
{ c6vJ;iz
VerifyWindow(); }nPt[77U_7
UnInit(); *$%~/Q@]
return CWinApp::ExitInstance(); *d=}HO/
} ^yB]_*WJ
lgiKNZgB?
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file CA igV$
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) ^/E'Rf3[A
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ ^AU-hVj
#if _MSC_VER > 1000 JR]elRR
#pragma once 0=HB!{@
#endif // _MSC_VER > 1000 %HpPTjAW
}:faHLYT
class CCaptureDlg : public CDialog N}U+K
{ H( .9tuA
// Construction udUc&pX
public: A@<
! '
BOOL bTray; HcIJ&".~
BOOL bRegistered; A)9]^@,
BOOL RegisterHotkey(); ]pe7I
P
UCHAR cKey; wnd
#J `
UCHAR cMask; @>46.V{P}B
void DeleteIcon(); 6w &<j&V
void AddIcon(); Hb*Z_s
UINT nCount; +3.9)w
void SaveBmp(); `&c[s%0
CCaptureDlg(CWnd* pParent = NULL); // standard constructor XlF ,_
// Dialog Data vaF1e:(
//{{AFX_DATA(CCaptureDlg) fpQFNV
enum { IDD = IDD_CAPTURE_DIALOG };
:MF`q.:X
CComboBox m_Key; kum@cA
BOOL m_bControl; f3!Oc
BOOL m_bAlt; xSN;vrLHR
BOOL m_bShift; N~/X.D4e#
CString m_Path; E8kD#tL
CString m_Number; IIY_Q9in
//}}AFX_DATA Ag0w8F
// ClassWizard generated virtual function overrides V z
//{{AFX_VIRTUAL(CCaptureDlg) Qc*p+N+$
public: !b!An; ',
virtual BOOL PreTranslateMessage(MSG* pMsg); BTr
oe=R
protected: bTeuOpp
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support I(VqtC:K.
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); axC{azo|
//}}AFX_VIRTUAL hJ8&OCR }
// Implementation 7hn[i,?`
H
protected: 7#"NKxb
HICON m_hIcon; :|5 m"X\
// Generated message map functions cu}(\a
//{{AFX_MSG(CCaptureDlg) UUWRC1EtI
virtual BOOL OnInitDialog(); >b\|%=(x!*
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); v0)
%S
afx_msg void OnPaint(); E!}'cxb^
afx_msg HCURSOR OnQueryDragIcon(); g0biw?
virtual void OnCancel(); fsOlg9
afx_msg void OnAbout(); l,Q`;v5|
afx_msg void OnBrowse(); 31^/9lb
afx_msg void OnChange(); 90+Vw`Gz=
//}}AFX_MSG gHp4q!SJ7
DECLARE_MESSAGE_MAP() yx?oxDJg
}; :K~@JlJd
#endif R-pON4D"*
1d49&-N
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file <FkaH8,7
#include "stdafx.h" n5~Dxk
#include "Capture.h" PYi<iSr
#include "CaptureDlg.h" ,s%+vD$O^
#include <windowsx.h> RvA "ug.*
#pragma comment(lib,"hook.lib") 2d|^$$#`
#ifdef _DEBUG 0c"9C_7^g
#define new DEBUG_NEW p\_3g!G'
#undef THIS_FILE 2|ee` "`
static char THIS_FILE[] = __FILE__; ^~l@ _r
#endif [MAPa
#define IDM_SHELL WM_USER+1 %6lGRq{/?
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); uHquJQ4
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); YYI0iM>
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; lv]U)p
class CAboutDlg : public CDialog .=}\yYGe
{ {@Lun6\
public: +~F>:v?Rh
CAboutDlg(); #"A`:bjG
// Dialog Data 5);"()g32
//{{AFX_DATA(CAboutDlg) IW nG@!
enum { IDD = IDD_ABOUTBOX }; iDDq<a.A
//}}AFX_DATA >j]Gz-wC
// ClassWizard generated virtual function overrides tC1'IE-h
//{{AFX_VIRTUAL(CAboutDlg) %Jl6e}!
protected: >N!
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virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support E5S(1Z}]p{
//}}AFX_VIRTUAL T)22P<M8
// Implementation FB?V<x
protected: \``w>Xy8
//{{AFX_MSG(CAboutDlg) F',1R"/}
//}}AFX_MSG z I9jxwXU
DECLARE_MESSAGE_MAP() ysp,:)-%G@
}; =1>G*
,
c9H6\ &
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 7C2Xy>d~
{ |;V-;e*
//{{AFX_DATA_INIT(CAboutDlg) ,>(X}Q
//}}AFX_DATA_INIT zuMz6#aCC8
} `TF3Ho\MC
a>#$&&oQ0
void CAboutDlg::DoDataExchange(CDataExchange* pDX) u$nmnd`g
{ C-49u<;,
CDialog::DoDataExchange(pDX); gYho$E
//{{AFX_DATA_MAP(CAboutDlg) 2 PPb
//}}AFX_DATA_MAP C4X3;l Z%S
} +{6:]
1l}Am>}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) DZESvIES
//{{AFX_MSG_MAP(CAboutDlg) ~<IQe-Q5
// No message handlers N>L)2WKFT
//}}AFX_MSG_MAP )=glN<*?
END_MESSAGE_MAP() b't6ekkN
:L:] 3L
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) \A!Iln
: CDialog(CCaptureDlg::IDD, pParent) NmpNme
{ WB (?6"
//{{AFX_DATA_INIT(CCaptureDlg) uUBUUr
m_bControl = FALSE; WM$Z?CN%KB
m_bAlt = FALSE; Qe7
SH{
m_bShift = FALSE; o^uh3,.
m_Path = _T("c:\\"); Ia9!ucN7DA
m_Number = _T("0 picture captured."); ?o]NV
nCount=0; _^eA1}3
bRegistered=FALSE; PCDvEbpG
bTray=FALSE; 'q/C: Yo
//}}AFX_DATA_INIT w5-^Py
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 ~
c~j
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); P-^-~/>n
} Lo[;{A$u
='Oxy
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) FbdC3G|oA
{ C_[
d
CDialog::DoDataExchange(pDX); ?<0'h{z Ny
//{{AFX_DATA_MAP(CCaptureDlg) 3M^`6W[;
DDX_Control(pDX, IDC_KEY, m_Key); ze+S_{
DDX_Check(pDX, IDC_CONTROL, m_bControl); #\ ="^z6
DDX_Check(pDX, IDC_ALT, m_bAlt); lzFg(Ds!f
DDX_Check(pDX, IDC_SHIFT, m_bShift); }]=A:*jD
DDX_Text(pDX, IDC_PATH, m_Path); V~.SgbLc
DDX_Text(pDX, IDC_NUMBER, m_Number); \Ym$to
//}}AFX_DATA_MAP 0^2e^qf
} X2~KNw
REX/:sB<
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) z __#PQ,n
//{{AFX_MSG_MAP(CCaptureDlg) Uq%|v
ON_WM_SYSCOMMAND() "$"<AKCwS
ON_WM_PAINT() rTC| 8e
ON_WM_QUERYDRAGICON() ](ztb)
ON_BN_CLICKED(ID_ABOUT, OnAbout) 4Im}!q5;:<
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) )OlYz!#?
ON_BN_CLICKED(ID_CHANGE, OnChange) KJ-Q$
M
//}}AFX_MSG_MAP 'r^'wv]
END_MESSAGE_MAP() %74f6\
N'5DB[:c:
BOOL CCaptureDlg::OnInitDialog() RzB64
{ *:l$ud
CDialog::OnInitDialog(); HW6Cz>WxOW
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 8,CL>*A
ASSERT(IDM_ABOUTBOX < 0xF000); 0eCjK.
CMenu* pSysMenu = GetSystemMenu(FALSE); Np~qtR
if (pSysMenu != NULL) h^K>(x
{ m|Z[8Tup
CString strAboutMenu; i-k(/Y0
strAboutMenu.LoadString(IDS_ABOUTBOX); 7` XECIh
if (!strAboutMenu.IsEmpty()) uxq#q1
{ M
8mNeh
pSysMenu->AppendMenu(MF_SEPARATOR); Z\?!&&
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); ryd}-_LL
} `AdHyE
} ybB<AkYc
SetIcon(m_hIcon, TRUE); // Set big icon d?CU+=A&|
SetIcon(m_hIcon, FALSE); // Set small icon DEv,!8
m_Key.SetCurSel(0); _B ]Bd@<w
RegisterHotkey(); 3
}rx(
CMenu* pMenu=GetSystemMenu(FALSE); #)6
bfyi-
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); b\t@vMJ
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); .R^]<b:`
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); 5'0kf7
return TRUE; // return TRUE unless you set the focus to a control >R/^[([;]
} r^\Wo7q
0wETv
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) 8,m:
{ 8HSGOs =8
if ((nID & 0xFFF0) == IDM_ABOUTBOX) F|WH=s3
{ okW'}@jD
CAboutDlg dlgAbout; Pb :6nH=
dlgAbout.DoModal(); =gB{(
} G~4|]^`g
else ht5:kt`F
{ 7nPm{=BG
CDialog::OnSysCommand(nID, lParam); }M\G
} wK%x|%R[
} /z(s1G.
9+>%U~U<
void CCaptureDlg::OnPaint() KEr?&e
{ k.F(*kh
if (IsIconic()) IZ_ B $mo
{ 9l7 youZ]
CPaintDC dc(this); // device context for painting Q[Tbdc%1EG
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); Nk>6:Ho{G
// Center icon in client rectangle 5g4c1K
int cxIcon = GetSystemMetrics(SM_CXICON); jmnrpXaAx
int cyIcon = GetSystemMetrics(SM_CYICON); jRdW=/q+(
CRect rect; U09@pne8
GetClientRect(&rect); RKz _GEH)
int x = (rect.Width() - cxIcon + 1) / 2; y|D-W>0cX3
int y = (rect.Height() - cyIcon + 1) / 2; `VOLw*Ci
// Draw the icon ]JHY(H2|
dc.DrawIcon(x, y, m_hIcon); "6
} 'seuO!5
else -(.\> F
{ -_Iuvw
CDialog::OnPaint(); O$peCv
} S>?B)
} *WXqN!:
%u$dN9cw
HCURSOR CCaptureDlg::OnQueryDragIcon() nHF
{ i0&]Ig|;
return (HCURSOR) m_hIcon; [6Nzz]yy
} SB!m&;Tb
o&:n>:im
void CCaptureDlg::OnCancel() CQ%yki
{ qv+}|+aL:
if(bTray) !yTjO
DeleteIcon(); #9hSo
CDialog::OnCancel(); 3qH`zYgh
} 3_k3U
N_8L8ds5
void CCaptureDlg::OnAbout() [$GQ]Y
{ 2$QuR~
CAboutDlg dlg; 1HNX6
dlg.DoModal(); m-!z(vcn
} |teDe6\m
k+&1?]
void CCaptureDlg::OnBrowse() vR\[I V?
{ _b 8XF&O
CString str; Hz<)a(r!J
BROWSEINFO bi; z15QFVm
char name[MAX_PATH]; O0<GFL$)&
ZeroMemory(&bi,sizeof(BROWSEINFO)); ZZl4|
bi.hwndOwner=GetSafeHwnd(); EC|b7
bi.pszDisplayName=name; Z})n%l8J]p
bi.lpszTitle="Select folder"; \ \~4$Ai[
bi.ulFlags=BIF_RETURNONLYFSDIRS; t]%!vXo
LPITEMIDLIST idl=SHBrowseForFolder(&bi); kOuQR$9s
if(idl==NULL) ^l/$ 13=
return; }u7&SU
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); q&wXs