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:
lU<n Wf
:8~*NSEFd 一、实现方法
3[L)q2;}$N "K8<X 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
5b9>a5j1; )'RLK4l #pragma data_seg("shareddata")
QDC]g.x HHOOK hHook =NULL; //钩子句柄
>Cjb|f3'i} UINT nHookCount =0; //挂接的程序数目
W%=b|6E static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
>aZ$x/U+Iw static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
`8 Dgk} static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
FFNv'\) static int KeyCount =0;
|h,aV(Q static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
+FoR;v)z=F #pragma data_seg()
t3 q0|S IRZ?'Im 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。
;?9u#FRtw |'2E'?\/x 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:
hfGA7P" <,Zk9 t& BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
V}>0r+NL< cKey,UCHAR cMask)
@Ooh}V#J {
&zF1&J58z BOOL bAdded=FALSE;
7
C5m#e3 for(int index=0;index<MAX_KEY;index++){
24Y~x`W if(hCallWnd[index]==0){
Z;_WU hCallWnd[index]=hWnd;
#n'tpp~O HotKey[index]=cKey;
\DE`tkV8 HotKeyMask[index]=cMask;
!=.5$/ bAdded=TRUE;
k.DDfuKN KeyCount++;
U&6!2s- break;
QMzBx*g( }
8yH) 8:w }
bYEq`kjzc return bAdded;
}cll? 2 }
5s>$ //删除热键
zX!zG<<K BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
A}b<Lg {
> @ulvHL BOOL bRemoved=FALSE;
P(W7,GD,k for(int index=0;index<MAX_KEY;index++){
uE>2*u\ if(hCallWnd[index]==hWnd){
xOjCF&W if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
=J,aB p hCallWnd[index]=NULL;
cvbv\G'aT HotKey[index]=0;
$b#"Rv HotKeyMask[index]=0;
l|fOi A*K bRemoved=TRUE;
/._wXH KeyCount--;
^z$-NSlI break;
'$M=H. }
"YGs<)S }
bf
`4GD( }
DB yRP-TH return bRemoved;
+>oVc\$ }
aT#R#7<Eg UKx91a}g YXH9Q@Gn DLL中的钩子函数如下:
oSt-w{! EeKEw
Sg LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
r}P{opn$t {
laqW
{sX^5 BOOL bProcessed=FALSE;
DY6wp@A if(HC_ACTION==nCode)
cT8jG,+"} {
=F
ZvtcCa if((lParam&0xc0000000)==0xc0000000){// 有键松开
Rtn.cSd switch(wParam)
/r|^Dc Nx {
6tM CpSJ case VK_MENU:
Z-b^{uP MaskBits&=~ALTBIT;
K ^1bR(a break;
]OHzE]Q case VK_CONTROL:
!h2ZrT9
_ MaskBits&=~CTRLBIT;
xX break;
=%|S$J case VK_SHIFT:
S"w$#"EJA MaskBits&=~SHIFTBIT;
Warz"n]iC break;
RaAi9b[/S default: //judge the key and send message
C} +w< break;
5>7ECe* }
UGEC_ for(int index=0;index<MAX_KEY;index++){
q]tPsX5{* if(hCallWnd[index]==NULL)
J;+iW*E: continue;
)5Kzq6. if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
&|H?J,> {
'1=t{Rw SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
MZE8Cvq0 bProcessed=TRUE;
X#(?V[F] }
x9
<cT' }
]]+wDhxH }
:a3Pnq$]E else if((lParam&0xc000ffff)==1){ //有键按下
pSASMc@ switch(wParam)
}@}jwi)l {
}7vX4{Yn case VK_MENU:
@q2Yka MaskBits|=ALTBIT;
:h N* break;
)oa6;=go case VK_CONTROL:
&&|*GAjJ MaskBits|=CTRLBIT;
ow
~(k5k: break;
0W9,uC2:N case VK_SHIFT:
G6Z2[Ej1 MaskBits|=SHIFTBIT;
4_`+& break;
.-[UHO05^8 default: //judge the key and send message
'rU
[V+ break;
y-{^L`%Mk }
]E88zWDY` for(int index=0;index<MAX_KEY;index++){
ooByGQ90V: if(hCallWnd[index]==NULL)
X#-U continue;
Ym-uElWo
if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
./)A6O*# {
Xf9<kbRw/ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
KQ xKU?b1 bProcessed=TRUE;
1,Uv;s;{ }
x\!Qe\lE }
xe|o(!( }
wCvtw[6 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
A--Hg-N| for(int index=0;index<MAX_KEY;index++){
YQiTx)_ if(hCallWnd[index]==NULL)
9~<HTH continue;
d> `9!) if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
?I`']|I SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
sn/^#Aa=N //lParam的意义可看MSDN中WM_KEYDOWN部分
_{KQQ5k\ }
v'S}&zmF] }
R|ViLt y }
Tv3Bej return CallNextHookEx( hHook, nCode, wParam, lParam );
^x4I }
ZyT9y m
,)4k&d 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
FlRbGg^ q/?#+d BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
WsQo+Ua BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
7Xm pq&g U/m6% )Yx( 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
IBC
P6[ 9n$GeRO LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
G{i}z^n {
\q(RqD if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
s6rdQI] {
M/ 0!B_(R //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
1fm\5/}'`1 SaveBmp();
d
/jO~+jP return FALSE;
.-' }
P(d4~hS …… //其它处理及默认处理
*;(LKRV }
"CB* @/ wJW``; ( N~[sf?& 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。
+y>D3I eRD?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。
A/,7%bB1 wZ,9~P7 二、编程步骤
^vLHs=< OnC|9 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";
]ZelB,7q amK?LDf] 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
Ajr]&H4 ce/Rzid 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;
!%_Z>a xXE/pIXw 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;
PtCwr)B, SgHLs 5、 添加代码,编译运行程序。
=K =FzV'_~ 0iinr:=u 三、程序代码
AiykIER/ ny|ni\6 ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
d Ayof= #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
!1]72%k[ #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
K~5QL/=1 #if _MSC_VER > 1000
p}hOkx4R\ #pragma once
@>_`g= #endif // _MSC_VER > 1000
h )"PPI #ifndef __AFXWIN_H__
@H"~/ m_o #error include 'stdafx.h' before including this file for PCH
b !J21cg<L #endif
j~(rG^T #include "resource.h" // main symbols
I&U?8 class CHookApp : public CWinApp
<YP>c {
scCOiK) public:
p)N= CHookApp();
FRQ0tIp // Overrides
G,e>dp_cPu // ClassWizard generated virtual function overrides
EkgS*q_ //{{AFX_VIRTUAL(CHookApp)
<- Q=h?D public:
WLQm|C, virtual BOOL InitInstance();
P&V,x`<Z virtual int ExitInstance();
mEmznA //}}AFX_VIRTUAL
fmXA;^% //{{AFX_MSG(CHookApp)
&/d;4Eu // NOTE - the ClassWizard will add and remove member functions here.
1D&Q{?RM // DO NOT EDIT what you see in these blocks of generated code !
]vMr@JM-G //}}AFX_MSG
M%7{g"J* DECLARE_MESSAGE_MAP()
9Ruj_U };
;"hED:z6% LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
ZMy0iQ@ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
d_BECx<\ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
YgNt>4K BOOL InitHotkey();
^]3Y11sI BOOL UnInit();
sWP5=t(i+9 #endif
Yj|Oy ,`v)nwP //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
fHCLsI #include "stdafx.h"
K4YpE}]u #include "hook.h"
'due'|#^ #include <windowsx.h>
UM(tM9 #ifdef _DEBUG
r j#K5/df #define new DEBUG_NEW
vcy}ZqWBO #undef THIS_FILE
NDEltG( static char THIS_FILE[] = __FILE__;
.$y}}/{j?[ #endif
d&4]?8}=. #define MAX_KEY 100
+ pZ, RW.D #define CTRLBIT 0x04
~0,Utqy #define ALTBIT 0x02
s9>f5u?dK #define SHIFTBIT 0x01
Q0i.gEwe #pragma data_seg("shareddata")
XZYpU\K HHOOK hHook =NULL;
H'Bor\;[> UINT nHookCount =0;
r t@Jw]az static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
fpJM)HU static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
[x
?38 static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
>KmOTM<{ static int KeyCount =0;
97lM*7h; static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
8Eyi`~cAiH #pragma data_seg()
1O>wXq7q HINSTANCE hins;
\ce (/I void VerifyWindow();
`[p*qsp_ BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
_]a8lr+_- //{{AFX_MSG_MAP(CHookApp)
;,![Lar5L // NOTE - the ClassWizard will add and remove mapping macros here.
T&c0j( // DO NOT EDIT what you see in these blocks of generated code!
/L\]t //}}AFX_MSG_MAP
=T;>$&qs END_MESSAGE_MAP()
D0Yl?LU3 5@ecZ2`)+h CHookApp::CHookApp()
55MrsiW {
[`nY/g: // TODO: add construction code here,
")'o5V // Place all significant initialization in InitInstance
YhYcqE8 }
17AJT Dj}n!M`2I CHookApp theApp;
.[%em9u LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
+b"RZ:tKp {
bwR_ uF BOOL bProcessed=FALSE;
ZqT?7 |i if(HC_ACTION==nCode)
+ntrp='7O7 {
P9=L?t. if((lParam&0xc0000000)==0xc0000000){// Key up
PXqLK3AE switch(wParam)
knrR%e; {
d0ThhO case VK_MENU:
7cV9xIe^ MaskBits&=~ALTBIT;
xdb9oH break;
wNMg Y case VK_CONTROL:
1t haQ" MaskBits&=~CTRLBIT;
np,L39:sf break;
M3c!SXx\ case VK_SHIFT:
KKP}fN MaskBits&=~SHIFTBIT;
f_a.BTtNO break;
,3l=44* default: //judge the key and send message
Kk#g(YgNz break;
fmyyQ|]O" }
]L#6'|W for(int index=0;index<MAX_KEY;index++){
FjF:Eh if(hCallWnd[index]==NULL)
#va|&QBZxM continue;
B?`n@/ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
rq bX9M^ {
qplz != SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
N=FU>qbz bProcessed=TRUE;
p?(w! O }
l*_%K}%?V }
y^7;I- }
t)P5bQ+$u9 else if((lParam&0xc000ffff)==1){ //Key down
UQ6UZd37 switch(wParam)
[ fvip_Pt {
u3)Oj7cX case VK_MENU:
],CJSA!5F MaskBits|=ALTBIT;
"S#4 break;
ru[W?O" case VK_CONTROL:
#-$\f(+< MaskBits|=CTRLBIT;
d\Cx(Lb[ break;
3Z=OUhn9 case VK_SHIFT:
[SGt ~bRJ MaskBits|=SHIFTBIT;
Ylbh_ d~BU break;
1cPm $=B default: //judge the key and send message
jY>|>]4X break;
t
I}@1 }
Ah:! for(int index=0;index<MAX_KEY;index++)
w@RVg*`%7D {
kx,9n) if(hCallWnd[index]==NULL)
td!WgL,m continue;
V
;Kzh$^rk if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
)D\cm7WX^[ {
x/D"a| SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
(O {5L( bProcessed=TRUE;
<Y~?G:v6+ }
.2?txOKh }
k[lYdk }
c4QegN if(!bProcessed){
d~+8ui{-U for(int index=0;index<MAX_KEY;index++){
0"q_c-_Bg if(hCallWnd[index]==NULL)
%zj;~W;qPH continue;
Y@x }b{3 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
jO
xH'1I SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
n5CjwLgu\b }
T \%{zz_( }
s`"o-w\$> }
[DrG;k ? return CallNextHookEx( hHook, nCode, wParam, lParam );
C@+"d3 }
3GVE/GtU )9'eckt BOOL InitHotkey()
%-ih$ZY {
l%"[857 if(hHook!=NULL){
cx%[hM09 nHookCount++;
|O0=Q,<m return TRUE;
<L|eY(: }
s/ [15 else
=f'MiU!p6 hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
:M" NB+T if(hHook!=NULL)
Fx#0
:p nHookCount++;
)=VSERs return (hHook!=NULL);
K..L8#SC }
N)'oX3?x BOOL UnInit()
86Q\G.h7 {
|jB]5ciT if(nHookCount>1){
5Pmmt/Z nHookCount--;
0v6(A4Y return TRUE;
!wH7;tU }
@k+Z?Hp BOOL unhooked = UnhookWindowsHookEx(hHook);
&_X6m0z if(unhooked==TRUE){
|lH~nU.* nHookCount=0;
A*l(0`aWq hHook=NULL;
&t)dE7u5 }
c\GJfsVk return unhooked;
K07SbL7g!p }
VYw
vT0 {SH+lX0]{ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
ZUGuV@&-T {
_Eq* BOOL bAdded=FALSE;
6GVj13Nr for(int index=0;index<MAX_KEY;index++){
Gy{C*m7Q if(hCallWnd[index]==0){
}'HJV B_ hCallWnd[index]=hWnd;
:%GxU;<E{ HotKey[index]=cKey;
oXw} K((| HotKeyMask[index]=cMask;
5G.A\`u% bAdded=TRUE;
=L_L/"*rel KeyCount++;
4^H(p break;
pT Yq#9 }
x17cMfCH% }
2w`k h= return bAdded;
v~-z["=}! }
bA]/p%rZ8 :@LFNcWE BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
:ie7HF {
C D#:* BOOL bRemoved=FALSE;
Y9F78=Q for(int index=0;index<MAX_KEY;index++){
SI_{%~k*B if(hCallWnd[index]==hWnd){
a<+Qw' if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
$<^4G hCallWnd[index]=NULL;
v5"5UPi- HotKey[index]=0;
X\3IY:Q@T HotKeyMask[index]=0;
_Y@'<S. bRemoved=TRUE;
PAF2= KeyCount--;
1_vaSEov break;
KobNi#O+ }
J;+AG^U< }
TbyQ'MbUv }
5=CLR return bRemoved;
nA8]/r1k }
YpQ/ )fSEV zjd]65P void VerifyWindow()
dtJaQ` {
+gb2>fei& for(int i=0;i<MAX_KEY;i++){
l'YpSO~l7
if(hCallWnd
!=NULL){ @W3fKF9*R
if(!IsWindow(hCallWnd)){ r1:S8RT;H5
hCallWnd=NULL; S!gV\gEbDj
HotKey=0; ]/;0
HotKeyMask=0; ]X4
A)4y
KeyCount--; \
B 0xL,o<
} K~$o2a
e
} )fSQTbB;0
} k,0RpE
} (bH*i\W
[sG=(~BU
BOOL CHookApp::InitInstance() U(5(0r
{ w?kdM1T
AFX_MANAGE_STATE(AfxGetStaticModuleState()); Zcd!y9]#
hins=AfxGetInstanceHandle(); 31mY]Jve"
InitHotkey(); pE >~F
return CWinApp::InitInstance(); U+sAEN_e k
} T1m097
!Dp4uE:Pq
int CHookApp::ExitInstance() YIs (Q
{ Qg
VerifyWindow(); _$/(l4\T[
UnInit(); k^gnOU ;
return CWinApp::ExitInstance(); NC::;e
} MNip;S_j
+s&+G![
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file w2y{3O"p=
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) KfJF9!U*?
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ mMO:m8W
#if _MSC_VER > 1000 _QCspPT' c
#pragma once YBQO]3f
#endif // _MSC_VER > 1000 P(fTlrb
E@QsuS2&
class CCaptureDlg : public CDialog *1iJa
{ drTX
// Construction -Zfzl`r
public: " ^~f.N
BOOL bTray; 30]?Jz6m
BOOL bRegistered; @V)k*h3r+
BOOL RegisterHotkey(); 6TS+z7S81L
UCHAR cKey; 2vWJ|&|p
UCHAR cMask; >69xl^Gd
void DeleteIcon(); R7cY$K{j
void AddIcon(); 5o\yhYS:
UINT nCount; '7[{ISBXU
void SaveBmp(); En3Q%
CCaptureDlg(CWnd* pParent = NULL); // standard constructor l<)(iU
// Dialog Data M5 ep\^
//{{AFX_DATA(CCaptureDlg) {/12.y=)~
enum { IDD = IDD_CAPTURE_DIALOG }; <jU[&~p
CComboBox m_Key; ch,<4E/c[R
BOOL m_bControl; UzFd@W u#
BOOL m_bAlt; AR'q2/cw
BOOL m_bShift; t6_6Bl:
CString m_Path; ?m#X";^V
CString m_Number; uy{mSx?td
//}}AFX_DATA LKY4rY!|@d
// ClassWizard generated virtual function overrides MdT'xYomzQ
//{{AFX_VIRTUAL(CCaptureDlg) tDFN
*#(
public: =3lUr<Ze
virtual BOOL PreTranslateMessage(MSG* pMsg); ?,NZ/n
protected: 6d"dJV.\
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support KZeRbq2jJ
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); \p1H" A
//}}AFX_VIRTUAL 20;M-Wx
// Implementation qJB9z0a<Ov
protected: iOm1U_S
HICON m_hIcon; ga^O]yK
// Generated message map functions 0iqa]Am
//{{AFX_MSG(CCaptureDlg) Lhu2;F\/
virtual BOOL OnInitDialog(); ]OZZPo
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); "?lirOD
afx_msg void OnPaint(); yi%A*q~MT
afx_msg HCURSOR OnQueryDragIcon(); #B:J7&@fn
virtual void OnCancel(); GEfX,9LF &
afx_msg void OnAbout(); bmna*!l^M
afx_msg void OnBrowse(); V|
z|H$-
afx_msg void OnChange(); !cT#G
//}}AFX_MSG N5csq(
DECLARE_MESSAGE_MAP() MzYTEe&-L
}; -QCo]:cp
#endif Z'<=06
^*'|(Cv
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file j#y_#
#include "stdafx.h" z^I"{eT8
#include "Capture.h" +SkD/"5ng
#include "CaptureDlg.h" ;Avd$&::
#include <windowsx.h> :^lyVQ%@
#pragma comment(lib,"hook.lib") r]Da4G^
#ifdef _DEBUG G+AD
&EHV
#define new DEBUG_NEW j2deb`GD
#undef THIS_FILE 6'395x_.\
static char THIS_FILE[] = __FILE__; ,7SLc+
#endif d|]F^DDuI
#define IDM_SHELL WM_USER+1 ukv
_bw
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); ,XCC#F(d1
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); R+8+L|\wHv
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; 8dq{.B?
class CAboutDlg : public CDialog 016l$K4
{ /L'm@8
public: ;r>?V2,tm
CAboutDlg(); "R+
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// Dialog Data 1K^blOLXe
//{{AFX_DATA(CAboutDlg) A,e/y
enum { IDD = IDD_ABOUTBOX }; DSYtj}>
//}}AFX_DATA =A9>Ej/
// ClassWizard generated virtual function overrides *aS|4M-
//{{AFX_VIRTUAL(CAboutDlg) 6 +^V
protected: *RUB`tEL
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support iyU@|^B"Wa
//}}AFX_VIRTUAL |uV1S^!A
// Implementation a)PBC{I
protected: Yi&;4vC
//{{AFX_MSG(CAboutDlg) V\%;S
//}}AFX_MSG f!e8xDfA
DECLARE_MESSAGE_MAP() #>O,w0<qM
}; \`jFy[(Pa'
#nX0xV5=
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) _)p@;vGV
{ n99:2r_
//{{AFX_DATA_INIT(CAboutDlg) Y1+4ppZ
//}}AFX_DATA_INIT ygS*))7
r
} $$<9tqA
SG
|!wH^
void CAboutDlg::DoDataExchange(CDataExchange* pDX) ,ZV<o!\
{ _s (0P*
CDialog::DoDataExchange(pDX); : RnjcnR
//{{AFX_DATA_MAP(CAboutDlg) KMhoG.$Ra
//}}AFX_DATA_MAP QE)I7(
} IJx dbuKg
*pw:oTO
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) rIo`n2
//{{AFX_MSG_MAP(CAboutDlg) HI#}M|4n
// No message handlers 6g29!F`y
//}}AFX_MSG_MAP >pO[S[
END_MESSAGE_MAP() j\q1b:pE
WW0N"m'
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) Kl{2^q>
: CDialog(CCaptureDlg::IDD, pParent) ,AGK O,w
{ =r3Yt9
//{{AFX_DATA_INIT(CCaptureDlg) !;pmql
m_bControl = FALSE; MA.1t
m_bAlt = FALSE; 4otB1{
m_bShift = FALSE; p]*$m=t0r
m_Path = _T("c:\\"); k^z)Vu|f.
m_Number = _T("0 picture captured."); d"Y9go"Z
nCount=0; c~ l$_A
bRegistered=FALSE; cz
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bTray=FALSE; .
Uv7{(
//}}AFX_DATA_INIT ss T o?WL|
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 EyI
9$@4
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); ;"!dq)
} !w]!\H
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) 6=Kl[U0Y
{ fU!C:
CDialog::DoDataExchange(pDX); T5B~CC'6
//{{AFX_DATA_MAP(CCaptureDlg) I|m fr{
DDX_Control(pDX, IDC_KEY, m_Key); g?A4C`l6iy
DDX_Check(pDX, IDC_CONTROL, m_bControl); J*U,kyYF
DDX_Check(pDX, IDC_ALT, m_bAlt); j7<`^OG
DDX_Check(pDX, IDC_SHIFT, m_bShift); ]x:>~0/L
DDX_Text(pDX, IDC_PATH, m_Path); mV@.JFXKP
DDX_Text(pDX, IDC_NUMBER, m_Number); "Vho`x3
//}}AFX_DATA_MAP y^Oj4Y:
} 8^\DQ&D
FlOKTY
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) 5aL0N
//{{AFX_MSG_MAP(CCaptureDlg) jbpnCUzi
ON_WM_SYSCOMMAND() %FT F
ON_WM_PAINT() 7n,nODbJ
ON_WM_QUERYDRAGICON() 3F5r3T6j}
ON_BN_CLICKED(ID_ABOUT, OnAbout) vUS$DUF
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) uZz^>*b
ON_BN_CLICKED(ID_CHANGE, OnChange) z[0L?~$
//}}AFX_MSG_MAP 7SoxsT)
END_MESSAGE_MAP() T mH#
`O.*qs5
BOOL CCaptureDlg::OnInitDialog() uh\I'
{ xVuGeanCv
CDialog::OnInitDialog(); j +@1frp
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); =y,_FFoS
ASSERT(IDM_ABOUTBOX < 0xF000); w:r0>
CMenu* pSysMenu = GetSystemMenu(FALSE); SLSJn))@!
if (pSysMenu != NULL) L q'*B9
{ ?#ndMv!$
CString strAboutMenu; ZL #4X*zT
strAboutMenu.LoadString(IDS_ABOUTBOX); \ s`'3y
if (!strAboutMenu.IsEmpty()) G2ZF`WQ
{ yf*MG&}
pSysMenu->AppendMenu(MF_SEPARATOR); ~)tIO<$U
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); Pw1V1v&>q
} $ n`<,;^l
} #lM!s
SetIcon(m_hIcon, TRUE); // Set big icon DvF`KHsy
SetIcon(m_hIcon, FALSE); // Set small icon .r[DqC
m_Key.SetCurSel(0); szF[LRb
RegisterHotkey(); %.pX!jL
CMenu* pMenu=GetSystemMenu(FALSE); (=CV")tF
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); j1v fp"J1
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); k
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pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); 7Nh6 `
return TRUE; // return TRUE unless you set the focus to a control _I<eJ\
} [ k^6#TQcn
$bF.6
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam)
8yOzD
{ JiDX|Q<c
if ((nID & 0xFFF0) == IDM_ABOUTBOX) kFHq QsaG
{ /e|`mu%
CAboutDlg dlgAbout; 1FjA
dlgAbout.DoModal(); &1F)/$,v
} REW
*6:
else {b<p~3%+Hc
{ Up`$U~%-
CDialog::OnSysCommand(nID, lParam); 8n?P'iM
} 6>%)qc$i
} g4=}].
0jrcXN~
void CCaptureDlg::OnPaint() r444s8Y
{ J*.Nf)i
if (IsIconic())
tU!"CX
{ Dgc[WsCEW
CPaintDC dc(this); // device context for painting ym2\o_^(
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); -qs.'o
;2
// Center icon in client rectangle FxKH?Rl
int cxIcon = GetSystemMetrics(SM_CXICON); "#rlL^9v
int cyIcon = GetSystemMetrics(SM_CYICON); 5G_*T
CRect rect; rMTtPuc2
GetClientRect(&rect); Um9!<G=;
int x = (rect.Width() - cxIcon + 1) / 2; 4_&$isq
int y = (rect.Height() - cyIcon + 1) / 2; U2ecvq[T
// Draw the icon r1}OlVbK
dc.DrawIcon(x, y, m_hIcon); Al$"k[-Uin
} x,2+9CCU
else O2:m)@
{ TqKL(Qw
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CDialog::OnPaint(); |w>"oaLN|Q
} W`eYd|+C
} 5ii`!y
k^C;"awh
HCURSOR CCaptureDlg::OnQueryDragIcon() .',ikez
{ |}QDC/
return (HCURSOR) m_hIcon; 4L^KR_h/
} bV@53_)N2
,`P,))
void CCaptureDlg::OnCancel() X
z2IAiAs'
{ f>\?\!
if(bTray) +C/K@:p
DeleteIcon(); _t:rWC"X
CDialog::OnCancel(); ^gw_Up<e6
} >LgV[D#=&o
s)375jCga
void CCaptureDlg::OnAbout() hs2f3;)
{ (vz)GrH>
CAboutDlg dlg; *B)>5r
dlg.DoModal(); &%fy
} g5V9fnb!d
;g^QHr
void CCaptureDlg::OnBrowse() ?.v!RdM+
{ S%Pk@n`z]
CString str; [k@D}p
x
BROWSEINFO bi; Gw~^6( Qu
char name[MAX_PATH]; J^
P/2a#a
ZeroMemory(&bi,sizeof(BROWSEINFO)); yf3%g\k
bi.hwndOwner=GetSafeHwnd(); 6b-d#H/1Y
bi.pszDisplayName=name; Z:,HB]&;9
bi.lpszTitle="Select folder"; \r324Bw>2
bi.ulFlags=BIF_RETURNONLYFSDIRS; q}ZZqYk
LPITEMIDLIST idl=SHBrowseForFolder(&bi); %a8'6^k
if(idl==NULL) 3yr{B Xn
return; 6DaH+
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); m1]rLeeEt
str.ReleaseBuffer(); JI3AR
e?y
m_Path=str; &ad9VB7
if(str.GetAt(str.GetLength()-1)!='\\') .#5<ZAh/?
m_Path+="\\"; M4nM%qRGQ
UpdateData(FALSE); v_{`O'#j^
} '}P)iS2
<H}"xp)j0
void CCaptureDlg::SaveBmp() #MHnJ
{ _UjAct]6
CDC dc; u<!!%C~+=
dc.CreateDC("DISPLAY",NULL,NULL,NULL); <C+:hsS=
CBitmap bm; {8@?9Z9R{
int Width=GetSystemMetrics(SM_CXSCREEN); .Z8 x!!Q*
int Height=GetSystemMetrics(SM_CYSCREEN); udp&