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:
%;,4q B
IC:>60A,] 一、实现方法
Go)}%[@w K1CgM1 v 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:
h{ T{3 Vl/fkd,Z #pragma data_seg("shareddata")
3FG'A[x3O HHOOK hHook =NULL; //钩子句柄
hdDL92JVg UINT nHookCount =0; //挂接的程序数目
:_[pZ;-@ static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
y*e({fio_ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
sL],@z8<k static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
{RN-rF3w static int KeyCount =0;
sB0m^Y' static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
JH._/I
#pragma data_seg()
WI1DL&*B@< {]]#q0| 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。
<9]J/w+ MDCwgNPiQW 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:
H"c2kno9 j[4l'8Ek BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
a
y$CUw cKey,UCHAR cMask)
Ze?n Q- {
Q})&c.L BOOL bAdded=FALSE;
y*!8[wASHq for(int index=0;index<MAX_KEY;index++){
qOflvf if(hCallWnd[index]==0){
\$!D^%~; hCallWnd[index]=hWnd;
f h:wmc' HotKey[index]=cKey;
:xk+`` T HotKeyMask[index]=cMask;
U6#9W}CE bAdded=TRUE;
8On MtP KeyCount++;
Ro=dgQ0:t break;
Y8c,+D,Ww }
F{Oaxn }
O7m-_#/\ return bAdded;
+zK?1llt }
:r7!HG_ //删除热键
=s9*=5r 8 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
h)^|VM
{
6?a z BOOL bRemoved=FALSE;
KE-0/m4yJ for(int index=0;index<MAX_KEY;index++){
P 1 if(hCallWnd[index]==hWnd){
i:Gyi([C if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
^].U?t.n) hCallWnd[index]=NULL;
#e1iYFgS HotKey[index]=0;
|uI~}pSG HotKeyMask[index]=0;
In8{7&iVO bRemoved=TRUE;
$4Dr +Z
H KeyCount--;
_{n4jdw%( break;
.>S1do+ }
DB}v.. }
dptfIBYc+ }
|.;]e[& return bRemoved;
RKp9[^/? }
x~F YG
7=s0Pm *P|~vCnr DLL中的钩子函数如下:
DXQ]b)y+N Wiw~oXo LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
"&o"6ra} {
0|g@;Pc BOOL bProcessed=FALSE;
D5:|CMQ if(HC_ACTION==nCode)
DK20}&RQ {
:4)(Qa( if((lParam&0xc0000000)==0xc0000000){// 有键松开
?f6SKC switch(wParam)
F6}YM| {
KpDb%j case VK_MENU:
*3s-=.U~ MaskBits&=~ALTBIT;
VVcli* break;
{,1>( case VK_CONTROL:
8|Ob7+ MaskBits&=~CTRLBIT;
HD3WsIim* break;
Z!*6;[]SfG case VK_SHIFT:
H[}lzL) MaskBits&=~SHIFTBIT;
ouO9%)zv
break;
&PMfAo^ default: //judge the key and send message
0/1=2E^, break;
%gj7KF }
[WV&Y,E for(int index=0;index<MAX_KEY;index++){
rITA-W O if(hCallWnd[index]==NULL)
/qMiv7m~Q continue;
kU#k#4X4g if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
6:AEg {
Af r*' SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Frz bProcessed=TRUE;
$zF%F.rln }
]{|lGtK % }
sbhzER }
T8%!l40v else if((lParam&0xc000ffff)==1){ //有键按下
/^v!B`A@ switch(wParam)
n5;@}Rai {
Ni|MTE]~ case VK_MENU:
Z1:<i*6>D MaskBits|=ALTBIT;
g4YlG"O[~ break;
E" >` case VK_CONTROL:
G!wb|-4<$ MaskBits|=CTRLBIT;
8nL9#b break;
q+2A>:| case VK_SHIFT:
6 EfBz MaskBits|=SHIFTBIT;
w%..*+P break;
r=SCbv default: //judge the key and send message
X Q
CE`m break;
iOSt=-p }
o`!#io for(int index=0;index<MAX_KEY;index++){
ww[||
= if(hCallWnd[index]==NULL)
WRwx[[e6z continue;
uqU&k@ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
d{t@+}0.u {
1P'A*`!K SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
<m\<yZ2aa bProcessed=TRUE;
nRu %0Op }
e|5@7~Vi }
!M`.(sO] }
\13Q >iAu if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
"\T-r 2 for(int index=0;index<MAX_KEY;index++){
</@5>hx/ if(hCallWnd[index]==NULL)
')~V=F continue;
ARt{ 2| if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
*OdmKVw6G SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
J\w4N", //lParam的意义可看MSDN中WM_KEYDOWN部分
pZlt4 }
4nP4F+ }
;|Hpg_~%> }
Rm}5AJ return CallNextHookEx( hHook, nCode, wParam, lParam );
C.":2F;-e }
oU @!R 2+DK:T[ 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:
+N7<[hE; lJ]QAO BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
K*2s-,b * BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
u\=
05N6G Otx>S' 5 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:
<[-{:dH,5 3e47UquZ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
at{p4Sl {
Ha/Qz'^S; if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
?U[6X|1 {
i2rSP$j //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
[Gv8Fn/aG SaveBmp();
Y\WVkd(+G return FALSE;
lY(_e# }
Z2`M8xEiH …… //其它处理及默认处理
*?~"Jw }
n7G`b' uDkX{<_Xe =+Odu 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。
6}Tftw$0z S)wP];]`K 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
A+foc5B 9-q> W 二、编程步骤
d$x vEm (V&d:tW 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";
9}a$0H
h K(PSGlI f 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
]!P8 {xmb@ S]|sKY 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
"S6";G^I V|B4lGS& 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
Zi7cp6~7 OIpT9 5、 添加代码,编译运行程序。
zv0sz]) ~@PD\ 三、程序代码
]s^+/8d= i2(v7Gef ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
!.q99DB #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
hcRe,}wJ #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
8Dtpb7\o #if _MSC_VER > 1000
r-L& ee #pragma once
<82&F #endif // _MSC_VER > 1000
e1E_$oJP #ifndef __AFXWIN_H__
F=w:!tqA #error include 'stdafx.h' before including this file for PCH
oIx|)[ #endif
>`a^E1) #include "resource.h" // main symbols
Vp~ cN class CHookApp : public CWinApp
,dK)I1"C {
@RszPH1B public:
, .~k CHookApp();
pjTJZhT2 I // Overrides
dQ-shfTr] // ClassWizard generated virtual function overrides
j<~T:Tk //{{AFX_VIRTUAL(CHookApp)
v=hn# U public:
xyM|q9Gf@ virtual BOOL InitInstance();
&0y`Gt virtual int ExitInstance();
&Wb"/Hn2 //}}AFX_VIRTUAL
"u^vBd[} //{{AFX_MSG(CHookApp)
<;W-!R759 // NOTE - the ClassWizard will add and remove member functions here.
DCZG'eb // DO NOT EDIT what you see in these blocks of generated code !
%Cqp88] //}}AFX_MSG
);JWrkpz DECLARE_MESSAGE_MAP()
Qc?W;Q+ };
p%sizn LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
yp^k;G?_d BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
Iy4%,8C]g BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
1P1h);*Z BOOL InitHotkey();
EmrkaV-?k BOOL UnInit();
LL
(TD& #endif
W^xO/xu1/ [xrsa!$ //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
7}~w9jK"F #include "stdafx.h"
[
't.x= #include "hook.h"
::#[lw #include <windowsx.h>
N\Lu+ x5 #ifdef _DEBUG
.;Gx.}ITG6 #define new DEBUG_NEW
7=u
Gf$/ #undef THIS_FILE
0asP,)i static char THIS_FILE[] = __FILE__;
k[D,du') #endif
(>ze{T| #define MAX_KEY 100
F<6(Hw#> #define CTRLBIT 0x04
}v|_]
#define ALTBIT 0x02
\<`oW> #define SHIFTBIT 0x01
XR7v\rd #pragma data_seg("shareddata")
0&I*)Zt9x HHOOK hHook =NULL;
Ly^bP>2i UINT nHookCount =0;
/@1YlxKF static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
52Lp_M static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
{5X,xdzR static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
_4L6 static int KeyCount =0;
W!O/t^H> static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
bQq/~ #pragma data_seg()
+"BJjxG HINSTANCE hins;
[ei~Xkzkj void VerifyWindow();
.uS`RS8JM BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
uI?Z_ //{{AFX_MSG_MAP(CHookApp)
sU*?H`U3d // NOTE - the ClassWizard will add and remove mapping macros here.
:*|Ua%L_ // DO NOT EDIT what you see in these blocks of generated code!
4TPdq&';C: //}}AFX_MSG_MAP
9DM,,h<` END_MESSAGE_MAP()
m>P\}A^N bfoTGi
CHookApp::CHookApp()
uHZ4
@w: {
9@ fSO< // TODO: add construction code here,
CR9wp]-Vd // Place all significant initialization in InitInstance
%PB{jo }
'/03m\7 snfFRc(RE CHookApp theApp;
d|Wqx7t]P LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
zz(|V {
p o)lN[v BOOL bProcessed=FALSE;
ElB[k< if(HC_ACTION==nCode)
c"lwFr9x7 {
T"za|Fo if((lParam&0xc0000000)==0xc0000000){// Key up
W3>9GY90R switch(wParam)
V-go?b` {
xl,%
Z~[ case VK_MENU:
|X A0F\ MaskBits&=~ALTBIT;
w5PscEc break;
oNPvks dC; case VK_CONTROL:
P)f8lU^z MaskBits&=~CTRLBIT;
Ot\[Ya'' break;
Y
?n4#J< case VK_SHIFT:
Q"{Dijc% MaskBits&=~SHIFTBIT;
.(cpYKFX break;
.$}z</#! default: //judge the key and send message
=d ;#Nu- break;
PpG;5 }
|36%B7H for(int index=0;index<MAX_KEY;index++){
d;gs1]E50 if(hCallWnd[index]==NULL)
|J:r]);@K continue;
#CI0G if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
X,3\c: {
FA{Q6fi:2 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
$3p 48`.\ bProcessed=TRUE;
3'0vLi }
>]ux3F3\ }
I)` +:+P }
^VMCs/g6 else if((lParam&0xc000ffff)==1){ //Key down
"xTVu57Z[ switch(wParam)
TS+jDs {
yBs-bp"- case VK_MENU:
WLj]EsA. MaskBits|=ALTBIT;
#\Y`? break;
>%92,hg case VK_CONTROL:
H^S<bZ MaskBits|=CTRLBIT;
:P2!& W break;
8r+u!$i!H case VK_SHIFT:
!xR9I0V5 MaskBits|=SHIFTBIT;
p\;8?x break;
j[dZ*Jr_ default: //judge the key and send message
F::Ki4{jJ break;
3>L5TYa }
}MMKOr( for(int index=0;index<MAX_KEY;index++)
[efU)O& {
)6p6<y if(hCallWnd[index]==NULL)
Nb ~J'" continue;
y_n4Y[4g if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
svEe@Kt` {
?32~%?m SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
Myg;2 . bProcessed=TRUE;
*`w>\},su }
m`8{arz2 }
J>T98y/)) }
JS m7-p|E if(!bProcessed){
0H4|}+e for(int index=0;index<MAX_KEY;index++){
)Z/w|5< if(hCallWnd[index]==NULL)
P
nE7} continue;
Y(1?uVYW\d if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
vO9=CCxvq SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
sj/k';#g }
Jv3G\9_ }
Gchs$^1`t }
;Krs*3
s return CallNextHookEx( hHook, nCode, wParam, lParam );
qP;1LAX }
RZ{O6~VH Lks+FW BOOL InitHotkey()
[c1Gq)ht {
pl@K"PRE if(hHook!=NULL){
R8lja%+0$ nHookCount++;
?d?.&nt return TRUE;
.J @mpJdY }
= )3\B else
#U%HGTE0 hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
Wm"#"l4 if(hHook!=NULL)
zJ}abo6rVw nHookCount++;
k.54lNl return (hHook!=NULL);
nPI$<yW7F }
N3#^Ifn[ BOOL UnInit()
3D@3jyo: {
5p~5-_JX if(nHookCount>1){
p JF
9Z nHookCount--;
_>`9]6\& return TRUE;
@,,G]4zZ! }
9@"pR;X@ BOOL unhooked = UnhookWindowsHookEx(hHook);
;Q vQ fV4 if(unhooked==TRUE){
q#8\BOTP | nHookCount=0;
SOsz=bVx hHook=NULL;
(m!kg }
I*>q7Hsu return unhooked;
q~aj"GD }
l}(HE+? ; (}~m&p BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
;!
?l8R {
85dC6wI4K BOOL bAdded=FALSE;
Q
-$)
H;, for(int index=0;index<MAX_KEY;index++){
^.@%n1I"5y if(hCallWnd[index]==0){
MRo_An+ hCallWnd[index]=hWnd;
j`@`M*)GB HotKey[index]=cKey;
vdUKIP
=|_ HotKeyMask[index]=cMask;
.UX4p
= bAdded=TRUE;
kUGFg{" KeyCount++;
GL9'dL| break;
R%2.N!8v }
7>MG8pf3a }
2o[ceEg return bAdded;
gx^!&>eIb# }
w]h8KNt b5%<},ySq BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
l0t(t*[Mj {
B<.\^fuS BOOL bRemoved=FALSE;
R87@. for(int index=0;index<MAX_KEY;index++){
FhBV.,bU,m if(hCallWnd[index]==hWnd){
y?r`[{L(lA if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
M/[_~ hCallWnd[index]=NULL;
~AaEa,LQ HotKey[index]=0;
eTgtt-;VR HotKeyMask[index]=0;
Ug0c0z!b bRemoved=TRUE;
,{(XT7hr KeyCount--;
{*8G<& break;
=6\^F i }
rZB='(? }
x.pg3mVd> }
J1gnR return bRemoved;
,2FI?}+R }
i E;F=Rb oVp/EQ void VerifyWindow()
rzie_)a Y% {
Au)~"N~p? for(int i=0;i<MAX_KEY;i++){
`wj' if(hCallWnd
!=NULL){ R64f0NK.
if(!IsWindow(hCallWnd)){ 6)i>qz).
hCallWnd=NULL; m-~3c]pA
HotKey=0; cotySio$
HotKeyMask=0; ppLLX1S
KeyCount--; gWj r|m<
} lJfk4 -;M
} *a8 <cf
} iYYuZ.
} a0A=R5_
* Z)j"i
BOOL CHookApp::InitInstance() 4|Y1W}!0/
{ 1VG]|6f
AFX_MANAGE_STATE(AfxGetStaticModuleState()); t(6i4c>
hins=AfxGetInstanceHandle(); wRK27=\z
InitHotkey(); m&q0 _nay
return CWinApp::InitInstance(); |XNw&X1VF
} 47{5{/B-
6M_ W(
int CHookApp::ExitInstance() A{)pzV25
{ yeIS} O
VerifyWindow(); !or_CJ8%
UnInit(); ()t~XQ
return CWinApp::ExitInstance(); ='1hvv/
} jbT{K|d-
6v%ePFul
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file ]^wr+9zd
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) If&y 5C
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ x2HISxg
#if _MSC_VER > 1000 PMbq5
#pragma once %Q}(.h%M
#endif // _MSC_VER > 1000 ld|GY>rH
6,~1^g*
class CCaptureDlg : public CDialog X$Q.A^9
{ hHDLrr
// Construction bJ6C7-w:wa
public: Q;q{1M >
BOOL bTray; ?D9iCP~~
BOOL bRegistered; hG<[F@d
BOOL RegisterHotkey(); -nUK%a"(D
UCHAR cKey; b-@9Xjv
UCHAR cMask; Lq.2vfA>
void DeleteIcon(); 14uv[z6
void AddIcon(); XMP4YWuVc
UINT nCount; _p9"MU&}
void SaveBmp(); Xnh&Kyz`v
CCaptureDlg(CWnd* pParent = NULL); // standard constructor ^PJN$BJx
// Dialog Data <|G!Qn?2-
//{{AFX_DATA(CCaptureDlg) {w"Cr0F,
enum { IDD = IDD_CAPTURE_DIALOG }; }$uwAevP{y
CComboBox m_Key; `0_
Y| 4KB
BOOL m_bControl; G[_Z|Xi1
BOOL m_bAlt; OfA+|xT&
BOOL m_bShift; VhMVoW
CString m_Path; #
&5.
CString m_Number; ~d\V>
//}}AFX_DATA 1BEc"
// ClassWizard generated virtual function overrides C+`V?rp=s
//{{AFX_VIRTUAL(CCaptureDlg) H{9P=l
public: [wQJVYv
virtual BOOL PreTranslateMessage(MSG* pMsg); ;:R2 P@6f
protected: CZ$B2i6
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support /yx)_x{
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); MwQt/Qv=
//}}AFX_VIRTUAL {+{p.
// Implementation xA2I+r*o
protected: Q]K$yo
HICON m_hIcon; (=1zMZo
// Generated message map functions nsV=
//{{AFX_MSG(CCaptureDlg) >/}p{Tj
virtual BOOL OnInitDialog(); :.a184ax
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); %WmTG }L)
afx_msg void OnPaint(); <*u^8lCA
afx_msg HCURSOR OnQueryDragIcon(); @;hdZLG]`&
virtual void OnCancel(); ?X\.O-=4X
afx_msg void OnAbout(); i<tJG{A=
afx_msg void OnBrowse(); !SnLvW89Z
afx_msg void OnChange(); H*f2fyC1\
//}}AFX_MSG /e|qyWs
DECLARE_MESSAGE_MAP() 4
540Lw'A
}; ${wp}<u_
#endif &?xmu204
FQ47j)p;
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file K:AP 0Te
#include "stdafx.h" Nx*1m
BC
#include "Capture.h" q*a~9.i@
#include "CaptureDlg.h" }ksp(.}G
#include <windowsx.h> ;g2UIb?{6
#pragma comment(lib,"hook.lib") +7_U(|gO
#ifdef _DEBUG 0fUsERr1*
#define new DEBUG_NEW &U}8@;
#undef THIS_FILE W|n$H`;R
static char THIS_FILE[] = __FILE__; Z8Vof~
#endif n6Z!~W8
#define IDM_SHELL WM_USER+1 Q^@7Yg@l
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); N@!PhP
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); Ix@B*Xz:`
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; gsa@ci
class CAboutDlg : public CDialog G'dN<Nw6
{ :mf&,?
public: NNE(jJ`/
CAboutDlg(); u.?jW vcv
// Dialog Data 3qH1\
//{{AFX_DATA(CAboutDlg) `/!FZh<
enum { IDD = IDD_ABOUTBOX }; 7d|1T'
//}}AFX_DATA N cGFPi(Z
// ClassWizard generated virtual function overrides 3=Rk(%:;
//{{AFX_VIRTUAL(CAboutDlg) C6@*l~j
protected: ^mC,Z+!
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support tc\ZYCFr
//}}AFX_VIRTUAL FDGG$z?>m
// Implementation n^5Q
f\ o
protected: -F3~X R
//{{AFX_MSG(CAboutDlg) 5gC>j(
//}}AFX_MSG 0E
(G1o'
DECLARE_MESSAGE_MAP() &0%B3
}; ORWi+H|
ryA+Lli.
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) =d:3]M^
{ >NV1#\5_R@
//{{AFX_DATA_INIT(CAboutDlg) g4 +Hq *
//}}AFX_DATA_INIT .ns=jp
} :^>&t^E
a+a6P5kJ
void CAboutDlg::DoDataExchange(CDataExchange* pDX) /nX_Q?mo
{ IX<9_q
CDialog::DoDataExchange(pDX); :7dc;WdM
//{{AFX_DATA_MAP(CAboutDlg) '}bmDb*
//}}AFX_DATA_MAP + DE/DR:
} 8xhx*A
A 2A_F|f
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 6uUn
//{{AFX_MSG_MAP(CAboutDlg) Z*h}E
// No message handlers fZ;}_wR-H
//}}AFX_MSG_MAP >dD$GD{
END_MESSAGE_MAP() \$ss
8_S| 8RW(
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) .j**>&7L
: CDialog(CCaptureDlg::IDD, pParent) ZBN,%P!P0
{ +Kg }R5+
//{{AFX_DATA_INIT(CCaptureDlg) BD86t[${W
m_bControl = FALSE; asLrXGGyT
m_bAlt = FALSE; `P*BW,P'T
m_bShift = FALSE; |90X_6(
m_Path = _T("c:\\"); du#f_|xG
m_Number = _T("0 picture captured."); Rr[Wka9[
nCount=0; <63TN`B
bRegistered=FALSE; aD_7^8>
bTray=FALSE; Yw5-:w0f
//}}AFX_DATA_INIT wrX n|aV
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 }_^ vvu
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); I'p+9H$
} }4h0{H
:2C
<;o
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) >Q[ Z{
{ |k%1mE(+=s
CDialog::DoDataExchange(pDX); 5ddfdIp
//{{AFX_DATA_MAP(CCaptureDlg) Ld/6{w4ir
DDX_Control(pDX, IDC_KEY, m_Key); imAOYEH7}
DDX_Check(pDX, IDC_CONTROL, m_bControl); gMkSl8[
DDX_Check(pDX, IDC_ALT, m_bAlt); UK*v\TMv
DDX_Check(pDX, IDC_SHIFT, m_bShift); 4*5 e0:O
DDX_Text(pDX, IDC_PATH, m_Path); WXDo`_{R
DDX_Text(pDX, IDC_NUMBER, m_Number); "Ehh9 m1&
//}}AFX_DATA_MAP KtH^k&z.f
} qK9A
/Mc
k%kEW%I yG
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) pLV
%g#h
//{{AFX_MSG_MAP(CCaptureDlg) |3Oyg ?2
ON_WM_SYSCOMMAND() t imY0fx#
ON_WM_PAINT() a)Pr&9I
ON_WM_QUERYDRAGICON() ;Bzx}7A
ON_BN_CLICKED(ID_ABOUT, OnAbout) 7n+,!oJ
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) oayu*a.
ON_BN_CLICKED(ID_CHANGE, OnChange) d"Wuu1tEY
//}}AFX_MSG_MAP NuUiW*|`7
END_MESSAGE_MAP() z1^fG)
3G2iRr.o
BOOL CCaptureDlg::OnInitDialog() 7l~^KsX
{ *,*O.#<6
CDialog::OnInitDialog(); 6?C';1
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); `NEi/jB
ASSERT(IDM_ABOUTBOX < 0xF000); ?K:.Pa
CMenu* pSysMenu = GetSystemMenu(FALSE); c=9A d
if (pSysMenu != NULL)
&1&OXm$
{ M V!d*\
CString strAboutMenu; vNl)ltzJF
strAboutMenu.LoadString(IDS_ABOUTBOX); dga4|7-MY
if (!strAboutMenu.IsEmpty()) BGwD{6`U
{ l"DHG`kb
pSysMenu->AppendMenu(MF_SEPARATOR); ,R3TFVV!?
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); m.! M#x2!
} t,*1=S5
} 5;XYF0
SetIcon(m_hIcon, TRUE); // Set big icon Fu5Y<*x
SetIcon(m_hIcon, FALSE); // Set small icon Y Q.Xl_
m_Key.SetCurSel(0); lz36;Fp
RegisterHotkey(); BT_XqO
CMenu* pMenu=GetSystemMenu(FALSE); *n7=m=%)
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); (6:.u.b
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); Th*}U&
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); 0chpC)#Q3;
return TRUE; // return TRUE unless you set the focus to a control l}/&6hI+d
} 8TP~=qU
H)"]I3
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) vD?D]8.F~Q
{ $e--"@[Y
if ((nID & 0xFFF0) == IDM_ABOUTBOX) Gau@RX:O
{ EJb+yy6
CAboutDlg dlgAbout; |O oczYf
dlgAbout.DoModal(); Yg,b
;H
} w\eC{,00:
else /4c`[
{ 4Y2I'~'
CDialog::OnSysCommand(nID, lParam); ^H1m8=
} V+@ }dJS
} ,Tegrz&G
y"'p#j
void CCaptureDlg::OnPaint() KF1iYo>p
{ % -AcA
if (IsIconic()) wQjYH!u,YZ
{ XM
w6b*O
CPaintDC dc(this); // device context for painting I2*(v%.-
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); {f)aFGp
// Center icon in client rectangle Kl%[f jI)
int cxIcon = GetSystemMetrics(SM_CXICON); wCR! bZ w
int cyIcon = GetSystemMetrics(SM_CYICON); ecoI-@CAI
CRect rect; '-Cx-=
GetClientRect(&rect); &ZkJ,-
int x = (rect.Width() - cxIcon + 1) / 2; lX"m|W
int y = (rect.Height() - cyIcon + 1) / 2; 2y!aXk\#C
// Draw the icon {k-_+#W"
dc.DrawIcon(x, y, m_hIcon); <#nU 06 fN
} b$fmU"%&|
else O2pE"8=4Q
{ +_cigxpTc
CDialog::OnPaint(); &|ne!wu
} V:J|shRo
} 'q |"+;
"RK"Pn+
HCURSOR CCaptureDlg::OnQueryDragIcon() Mog [,{w
{ C,W_0=!e
return (HCURSOR) m_hIcon; A:GqR;;"x>
} HJ]e%og
1Td`S1'#yg
void CCaptureDlg::OnCancel() .S#i/A'x
{ b|DU
if(bTray) Sk!' 2y*@&
DeleteIcon(); T&>65`L
CDialog::OnCancel(); r"h09suZBW
} Z$KyK.FUU
%N~c9B
void CCaptureDlg::OnAbout() )e`9U.C
{ A^X\
CAboutDlg dlg; ('C)S)98C
dlg.DoModal(); gWa0x-
} Xn%7{%;h
Ao` e{
void CCaptureDlg::OnBrowse() IE996
{ Oy=0Hsh@x
CString str; iJOG"gI&
BROWSEINFO bi; o4EY2
char name[MAX_PATH]; S|k@D2k=
ZeroMemory(&bi,sizeof(BROWSEINFO)); ?&eS }skL
bi.hwndOwner=GetSafeHwnd(); 0[%{YmI{W
bi.pszDisplayName=name; Cy6!?Mik
bi.lpszTitle="Select folder"; w`f66*@Q1
bi.ulFlags=BIF_RETURNONLYFSDIRS;
#iv4L
LPITEMIDLIST idl=SHBrowseForFolder(&bi); SH =S>
if(idl==NULL) I5l%X{u"N
return; 9=]HOUn
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); [#Gu?L_W
str.ReleaseBuffer(); @#t<!-8d
m_Path=str; E=,5%>C0#%
if(str.GetAt(str.GetLength()-1)!='\\') .`+~mQ
Wn
m_Path+="\\"; Sq_.RU
UpdateData(FALSE); TsoxS/MI"
} {Hl(t$3V`
U=
f9b]Y
void CCaptureDlg::SaveBmp() Tr:@Dv.O
{ a B MV6'
CDC dc; ^[m-PS(
dc.CreateDC("DISPLAY",NULL,NULL,NULL); R--s
u:
CBitmap bm; '*rS,y
int Width=GetSystemMetrics(SM_CXSCREEN); K g#Bg##
int Height=GetSystemMetrics(SM_CYSCREEN); RxJbQs$Ph
bm.CreateCompatibleBitmap(&dc,Width,Height); [9Rh" H;h
CDC tdc; JJWPte/
tdc.CreateCompatibleDC(&dc); r`6f
CBitmap*pOld=tdc.SelectObject(&bm); t855|
tdc.BitBlt(0,0,Width,Height,&dc,0,0,SRCCOPY); gsM$VaF(
tdc.SelectObject(pOld); ]f&]E
~i
BITMAP btm; K3
BWj33
bm.GetBitmap(&btm); ~< UYJc
DWORD size=btm.bmWidthBytes*btm.bmHeight; tg#jjXV\0p
LPSTR lpData=(LPSTR)GlobalAllocPtr(GPTR,size); 1z&"V}y
BITMAPINFOHEADER bih; YQ?hAAJ
bih.biBitCount=btm.bmBitsPixel; *#}=>, v
bih.biClrImportant=0; \{ QH^
bih.biClrUsed=0; f~P YK
bih.biCompression=0; Khi6z&