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:
CM~MoV[k7e
h#3m4<w(9 一、实现方法
e4qj .b ibF#$&! 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
En9R>A;` LBX%H GH #pragma data_seg("shareddata")
Wtv#h~jy9 HHOOK hHook =NULL; //钩子句柄
[l[{6ZXt UINT nHookCount =0; //挂接的程序数目
_q Tpy)+ static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
pX<a2FP static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
S>ugRasZ$ static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
Vf{2dZZ{1 static int KeyCount =0;
Xi~9&ed#$i static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
PX 3 #pragma data_seg()
BQjam+u6 &P n] 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
Z|`fHO3j YlUpASW DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
S]yvMj_? XS0V:<+, BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
GFR!n1Hv cKey,UCHAR cMask)
%N~;{!![p {
"oE* 9J?e BOOL bAdded=FALSE;
"r-l8r, for(int index=0;index<MAX_KEY;index++){
|@`"F5@, if(hCallWnd[index]==0){
*:arva5 hCallWnd[index]=hWnd;
Sa}D.SBg HotKey[index]=cKey;
w4:<fnOM HotKeyMask[index]=cMask;
\X@IkL$r bAdded=TRUE;
56s*A*z$
; KeyCount++;
v>WB FvyD break;
YIDg'a+z }
cjg=nTsBA }
4
10:%WGc return bAdded;
ULvVD6RQ47 }
#O</\|aH)i //删除热键
!s-/0ugZ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
w<d*#$[,* {
Y(GW0\< BOOL bRemoved=FALSE;
SLA#= K for(int index=0;index<MAX_KEY;index++){
>}F? <JB if(hCallWnd[index]==hWnd){
${e&A^h if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
~R!gJTO9 hCallWnd[index]=NULL;
&"j@79Ym1~ HotKey[index]=0;
!P" ? HotKeyMask[index]=0;
B+D`\ Nl o bRemoved=TRUE;
fSV5 KeyCount--;
%vc'{`P break;
^W['A]l }
/;+,mp4 }
:GM#&*$2< }
*tAqt2{48 return bRemoved;
]7F)bIG[ }
ZW* fOaj lS3 _Ild )@c3##Zp) DLL中的钩子函数如下:
NS5 49S oYqE*mA LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
\G=bj;&eF {
qP`?M\!O BOOL bProcessed=FALSE;
XaGz].Sv if(HC_ACTION==nCode)
M,L@k {
3*\8p6G if((lParam&0xc0000000)==0xc0000000){// 有键松开
dP3VJ3+
% switch(wParam)
t~~r-V": {
oUS,+e case VK_MENU:
8OBF^r44R MaskBits&=~ALTBIT;
Spc&X72I break;
W]~ZkQ|P case VK_CONTROL:
c'lIWuL) MaskBits&=~CTRLBIT;
B'/Icg.T break;
Q=XA"R case VK_SHIFT:
$9m5bQcV MaskBits&=~SHIFTBIT;
U$EM.ot break;
<tQXK; default: //judge the key and send message
83xd@-czgh break;
z9fNk% }
n8?KSQy$ for(int index=0;index<MAX_KEY;index++){
T`mEO\f if(hCallWnd[index]==NULL)
7 FIFSt continue;
,^!Zm^4, if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
&"O_wd[+: {
4I1K vN<A SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Znq(R8BMW bProcessed=TRUE;
+cw{aI`a8 }
U;>B7X;`E4 }
9T]va]w?# }
C[W5d~@;E else if((lParam&0xc000ffff)==1){ //有键按下
YRu%j4Tx switch(wParam)
\
>(zunL {
FP@A;/c case VK_MENU:
UR\ZN@O MaskBits|=ALTBIT;
Wb'*lT0= break;
1YFAr}M case VK_CONTROL:
DlS&qFs MaskBits|=CTRLBIT;
Xi*SDy break;
j>V"hf case VK_SHIFT:
=*[, *A MaskBits|=SHIFTBIT;
>VypE8H]x break;
9$EHK default: //judge the key and send message
r"1A`89 break;
c_[ JjG^?P }
F94V 5_[ for(int index=0;index<MAX_KEY;index++){
L<"k7)k if(hCallWnd[index]==NULL)
YN`UTi\s continue;
x:vrK#8D> if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
n=r=u'oi {
TVj1C SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
gBfX}EK7F bProcessed=TRUE;
#VQ36pCd }
!
7Nn]Lx }
-aA<.+ }
M'b:B*>6 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
Mn-<5 1.% for(int index=0;index<MAX_KEY;index++){
Lq3(Z% if(hCallWnd[index]==NULL)
R+k=Ea&x continue;
b,zR5R^D; if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
'/n\Tg+ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
$/MY,:*e //lParam的意义可看MSDN中WM_KEYDOWN部分
Mi_[9ku>% }
nz}]C04:- }
%+/f'6kR }
xAFek;GY? return CallNextHookEx( hHook, nCode, wParam, lParam );
fYv ;TV>73 }
I4A; !2/l9SUi 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
1w(<0Be
=lYvj BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
#!(Zn:[ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
A!n~8zcmp} [>Ikitow 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
axHxqhO7zp N=hSqw[ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
3`mC"ab / {
3AX?B~s if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
N+ak[axN {
o:p{^D@#k //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
(D:KqGqoT SaveBmp();
tzx:* return FALSE;
2pVVoZV.< }
j*zB
{ s
K …… //其它处理及默认处理
fp`U?S6 }
n5/ZJur 1x^W'n,HtK 7
3H@kf 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
dOYlI`4 E!r4AjaC 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
Fmy1nZ ABd153oW" 二、编程步骤
H57jBD *g}vT8w'} 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
d@_'P`%- d#x8O4S%i2 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
E&}H\zt# L5hQdT/b$ 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;
W66}\&5 BBaHMsr 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;
54, Ju'r .D>A'r8U 5、 添加代码,编译运行程序。
\ x>NB }xpe 三、程序代码
F#zQQ)(Pf i4 y(H ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
m-Mhf; #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
PX+"" # #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
p{('KE) #if _MSC_VER > 1000
Br_3qJNVP #pragma once
2b{@]Fp #endif // _MSC_VER > 1000
q>Dr)x) #ifndef __AFXWIN_H__
TXY #error include 'stdafx.h' before including this file for PCH
WV9[DFU #endif
t!+%g) @ #include "resource.h" // main symbols
[ni-UNTv class CHookApp : public CWinApp
@y&h4^)z {
[346w
< public:
Th I CHookApp();
$~;6 hnrm // Overrides
_R>s5|_ // ClassWizard generated virtual function overrides
?STI8AdO
//{{AFX_VIRTUAL(CHookApp)
*,Aa9wa{ public:
fSgGQ
D4 virtual BOOL InitInstance();
d#M?lS> virtual int ExitInstance();
gu~-} //}}AFX_VIRTUAL
rzc 3k~@ //{{AFX_MSG(CHookApp)
% B7?l // NOTE - the ClassWizard will add and remove member functions here.
AZBY, :>D // DO NOT EDIT what you see in these blocks of generated code !
]G$!/vXP //}}AFX_MSG
;NvhL|R DECLARE_MESSAGE_MAP()
C/grrw };
\, X?K LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
P17]}F`` BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
$n_sGr BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
r;5 AY BOOL InitHotkey();
]VO,}
` BOOL UnInit();
\Ho#[k=y*/ #endif
.1l[l5$ w|3fioLs //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
=qVAvo' #include "stdafx.h"
KJ05Zx~uma #include "hook.h"
bN<O<x1j #include <windowsx.h>
,sy/rV #ifdef _DEBUG
\f<thd*bC #define new DEBUG_NEW
*axza~d #undef THIS_FILE
*1;L,*J"| static char THIS_FILE[] = __FILE__;
d3\l9R{} #endif
Xj(k(>7V #define MAX_KEY 100
LT
y@6* #define CTRLBIT 0x04
;9- 4J #define ALTBIT 0x02
's%ct}y\J #define SHIFTBIT 0x01
f/|a?n2\hm #pragma data_seg("shareddata")
}T^v7 LY HHOOK hHook =NULL;
h;mQ%9 Yd UINT nHookCount =0;
)gm \e?^ static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
ek_i{'hFd static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
+q>C}9s3 static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
%'p|JS static int KeyCount =0;
Sd/d [ static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
LqH?3): #pragma data_seg()
&nY2u-Q HINSTANCE hins;
!'UsC6Y4 void VerifyWindow();
aO;Q%]VL' BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
lj% ;d' //{{AFX_MSG_MAP(CHookApp)
kK_>*iCMo // NOTE - the ClassWizard will add and remove mapping macros here.
374_G?t& // DO NOT EDIT what you see in these blocks of generated code!
;Ef)7GE@\[ //}}AFX_MSG_MAP
/ux#U]x END_MESSAGE_MAP()
\ {E;u'F 'e8d["N CHookApp::CHookApp()
@a{v>) {
S@rsQ@PA // TODO: add construction code here,
FPM}:c4 // Place all significant initialization in InitInstance
Wg3WE1V }
-$Z-hxs^ f+(w(~O CHookApp theApp;
R,k[Kh LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
~S<F {
[&k& $04_ BOOL bProcessed=FALSE;
%PNm7s4x2 if(HC_ACTION==nCode)
'$&(+>)z` {
1pBsr( if((lParam&0xc0000000)==0xc0000000){// Key up
3 %{'Uh, switch(wParam)
%nK15( {
?}>B4Z) case VK_MENU:
x[,wJzp\6 MaskBits&=~ALTBIT;
H'(o}cn7~ break;
0.,&B5) case VK_CONTROL:
M}RFFg MaskBits&=~CTRLBIT;
Tx&qp#FS break;
#._6lESK case VK_SHIFT:
X+G*Q}5 MaskBits&=~SHIFTBIT;
Vu8-Cy>Q? break;
d~oWu [F* default: //judge the key and send message
Ns] 9-D break;
bJ5z?? }
FWx*&y~$ for(int index=0;index<MAX_KEY;index++){
bTYP{x~ y if(hCallWnd[index]==NULL)
0GLB3I > continue;
{;rpgc if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
YuZ
{
;`Ch2b1+ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
$/sZYsN~T bProcessed=TRUE;
|"(3]f\ }
zAdVJ58H }
?
Gu_UW }
_O71r}4 else if((lParam&0xc000ffff)==1){ //Key down
t~=@r9`S
switch(wParam)
p[+me o {
4OgGZ case VK_MENU:
6xQe!d3>s3 MaskBits|=ALTBIT;
fP4IOlHkE break;
a5g{.:NfO case VK_CONTROL:
$@!&ML MaskBits|=CTRLBIT;
?^A:~" ~ break;
dg@/HLZ case VK_SHIFT:
:a<TV9?H0 MaskBits|=SHIFTBIT;
rsj}hS$ break;
]m,p3 default: //judge the key and send message
>]N0w break;
h]z|OhG }
{xx;zjt%}} for(int index=0;index<MAX_KEY;index++)
r}M4()9L {
9'r3L)[ if(hCallWnd[index]==NULL)
KQI} 5 continue;
PL2Q!i`[o if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
~8 a>D<b {
@G-k]IWi SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
aNEy1-/(\ bProcessed=TRUE;
RJm8K,3# }
-2~yc2:>A }
_ r)hr7 }
,,-3p#Pbw if(!bProcessed){
o sH,(\4_ for(int index=0;index<MAX_KEY;index++){
@(5RAYRV if(hCallWnd[index]==NULL)
"k@/Z7= continue;
'F<e )D? if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
@g5]w&o_ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
ju6_L< }
m9i%U
}
-m-WUox4" }
t|XC4:/>T return CallNextHookEx( hHook, nCode, wParam, lParam );
by3kfY]4s }
d-2I_ )9 qMj
e,Y BOOL InitHotkey()
e?fjX- {
I z@x^s if(hHook!=NULL){
FnU;n nHookCount++;
P+l^Ep8P return TRUE;
Sk%|-T(d$ }
Ceb i9R[ else
1j-i nj` hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
h$h`XBVZe; if(hHook!=NULL)
/]>{"sS( nHookCount++;
*wx^mB9 return (hHook!=NULL);
+Rd{ ?)2~ }
E8 )*HOT_T BOOL UnInit()
DEp:
vlW@ {
7!r`DZ"yF if(nHookCount>1){
`Hu;Gdj= nHookCount--;
vDb}CQ\ return TRUE;
pAL-Pl9z }
`-\JjMSQ1 BOOL unhooked = UnhookWindowsHookEx(hHook);
)[Cm*Xxa$ if(unhooked==TRUE){
$e\R5Lu nHookCount=0;
:G)x+0u hHook=NULL;
4s2ex{$+MA }
hkc_>F]Hx return unhooked;
Nd)o1{I }
?*dx=UI HAdm, BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
=ZL20<TeH {
XV!EjD~q BOOL bAdded=FALSE;
"61n?Z#,M[ for(int index=0;index<MAX_KEY;index++){
sZ$ ~abX if(hCallWnd[index]==0){
0 pz
X!f1~ hCallWnd[index]=hWnd;
/!3:K<6@ HotKey[index]=cKey;
L4-Pq\2 HotKeyMask[index]=cMask;
7dW&|U bAdded=TRUE;
,~w)@.
KeyCount++;
]<_+uciP5[ break;
t`{Fnf }
hidweg*7 }
t0(hc7` return bAdded;
,5WDYk- }
|e(x< [s5 L0~O6*bk BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
s2kynQ#a {
?uv%E*TU BOOL bRemoved=FALSE;
2F]MzeW for(int index=0;index<MAX_KEY;index++){
s os& if(hCallWnd[index]==hWnd){
34+}u,= if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
Fb-TCq1y# hCallWnd[index]=NULL;
MQu6Tm H HotKey[index]=0;
3 g&mND HotKeyMask[index]=0;
ybkN^OEJ bRemoved=TRUE;
s| oU$?eA KeyCount--;
Wn5]2D\vkT break;
~:Nyv+g,$ }
v}i}pQ\DK }
85]UrwlA4 }
.?
/J return bRemoved;
|+''d }
06
1=pV$CJ ij^!TY[0 void VerifyWindow()
-OxHQ {
a#=-Aj- for(int i=0;i<MAX_KEY;i++){
QJ?!_2Ax if(hCallWnd
!=NULL){ st>t~a|T
if(!IsWindow(hCallWnd)){ tp&iOP6O
hCallWnd=NULL; 4dAhJjhgD
HotKey=0; }+1o D{
HotKeyMask=0; x.Y,]wis
KeyCount--; Qa+gtGtJ
} UQ?8dw:E~
} T~E83Jw
} `}l%Am
} 7\lb+^$
cCs:z
BOOL CHookApp::InitInstance() WBIS
{ 4 vphLAm
AFX_MANAGE_STATE(AfxGetStaticModuleState()); Wi<Fkzj
hins=AfxGetInstanceHandle(); NM ]/OKs'H
InitHotkey(); lB-7.
return CWinApp::InitInstance(); n66_#X
} =G :H)i
v;7u"9t
int CHookApp::ExitInstance() '
r/1+.
{ WDq3K/7\
VerifyWindow(); -M}iDBJx>#
UnInit(); AH+J:8k
return CWinApp::ExitInstance(); 25r=Xv
} TPuzL(ws
C'#:}]@E
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file kLP^q+$u)!
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) sBMHf9u
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ )g9qkQ 8q
#if _MSC_VER > 1000 Yaqim<j
#pragma once fz*6 B NJ
#endif // _MSC_VER > 1000 B=7L+6
v.MWO]L
class CCaptureDlg : public CDialog 4m:E:zVn
{ vbp)/I-h
// Construction )C[8#Q-:
public: ]Az >W*Y
BOOL bTray; QG.FW;/L,
BOOL bRegistered; HO>uS>+
BOOL RegisterHotkey(); DWG}}vN:&
UCHAR cKey; hpU7
UCHAR cMask; 0ro+FJ r
void DeleteIcon(); a/1{tDA
void AddIcon(); X9J^Olq
UINT nCount; 9TLP(
void SaveBmp(); l;4F,iI
CCaptureDlg(CWnd* pParent = NULL); // standard constructor qM)^]2_-
// Dialog Data /+iaw~={"
//{{AFX_DATA(CCaptureDlg) 5ym
=2U
enum { IDD = IDD_CAPTURE_DIALOG }; UT -=5
CComboBox m_Key; ?QgWW
BOOL m_bControl; e M}Xn^}
BOOL m_bAlt; 5o?bF3
BOOL m_bShift; B^
h!F8DC
CString m_Path; P06K0Fxf
CString m_Number; yI!K
quMC
//}}AFX_DATA fXN;N&I
// ClassWizard generated virtual function overrides Xs`/q}R
//{{AFX_VIRTUAL(CCaptureDlg) dFlx6H+R!0
public: ZHT.+X:_
virtual BOOL PreTranslateMessage(MSG* pMsg); xAI<<[-
protected: <}ev Ow2
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support /T?['#:r-)
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); hikun2
//}}AFX_VIRTUAL <m!\Ma
// Implementation L_(|5#IDw
protected: VH/_0
HICON m_hIcon; E?V:dr
// Generated message map functions ^>>Naid
//{{AFX_MSG(CCaptureDlg) ?Gb
18m
virtual BOOL OnInitDialog(); li'#< "R?'
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); =8]'/b
afx_msg void OnPaint(); +#O?sI#
afx_msg HCURSOR OnQueryDragIcon(); ppxu\a
virtual void OnCancel(); I<$lpU_H
afx_msg void OnAbout(); IzG7!K
afx_msg void OnBrowse(); q8U]Hyp(`
afx_msg void OnChange(); 1t6UI4U!$
//}}AFX_MSG X- zg
DECLARE_MESSAGE_MAP() _.j KcDf
}; j%lW+[%
#endif B=f{`rM)~W
yuND0,e
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file 3E#acnqn*
#include "stdafx.h" (g 8K?Q
#include "Capture.h" h
/on
#include "CaptureDlg.h" {YkW5zC(L
#include <windowsx.h> !!9V0[
#pragma comment(lib,"hook.lib") R
+k\)_F
#ifdef _DEBUG ^'}Td~(
#define new DEBUG_NEW MSA*XDnN
#undef THIS_FILE M/BBNT
static char THIS_FILE[] = __FILE__; O!a5
#endif bz@4obRqf
#define IDM_SHELL WM_USER+1 ?O.&=im_
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); -" DI,o
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); #JVcl $0Y
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; j0Q;OKu
class CAboutDlg : public CDialog yd2ouCUV
{ !=a8^CV
public: ^ H'|iju
CAboutDlg(); $]O\Ryf6
// Dialog Data :g Ze>
//{{AFX_DATA(CAboutDlg) Ih.o;8PpK
enum { IDD = IDD_ABOUTBOX }; .; :[sv)
//}}AFX_DATA )%*uMuF
// ClassWizard generated virtual function overrides
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//{{AFX_VIRTUAL(CAboutDlg) sYvO"|
protected: mFT[[Z#
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support sx6`
g;
//}}AFX_VIRTUAL ='~C$%
// Implementation P", 53R+"
protected: EPyFM_k
//{{AFX_MSG(CAboutDlg) MVV<&jho{^
//}}AFX_MSG Zcc6E2
DECLARE_MESSAGE_MAP() xX}vxhN
}; IKpNc+;p
67d0JQTu
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) -E.EI@"
{ AE@*#47
//{{AFX_DATA_INIT(CAboutDlg) =_,w<
//}}AFX_DATA_INIT hF6EOCY6D
} )4j#gHN\
&0M^UvO
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 98x(2fCvF(
{ WFtxEIrl3j
CDialog::DoDataExchange(pDX); GX\/2P7CZ
//{{AFX_DATA_MAP(CAboutDlg) " 4s,a
//}}AFX_DATA_MAP (d_{+O"
} _,5(HETE2
p3X>
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) qV5ME#TJ
//{{AFX_MSG_MAP(CAboutDlg) ZYg="q0x&
// No message handlers
BVG 3 T
//}}AFX_MSG_MAP Ry,jPw5<
END_MESSAGE_MAP() UeE&rA]
,rQznE1e
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) \ ddbqg?`
: CDialog(CCaptureDlg::IDD, pParent) *&LVn)@[`
{ Up`zVN59.
//{{AFX_DATA_INIT(CCaptureDlg) ]U]{5AA6
m_bControl = FALSE; gg5`\}
m_bAlt = FALSE; i4AmNRs
m_bShift = FALSE; P*G&pitT
m_Path = _T("c:\\"); kpEES{f
m_Number = _T("0 picture captured."); >pr{)bp G
nCount=0; xEGI'lt
bRegistered=FALSE; w<5w?nP+Oh
bTray=FALSE; 7|\[ipVX:3
//}}AFX_DATA_INIT `XQM)A
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 74QWGw`,
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); &%rXRP
} jPhOk>m
9J*m!-hOY
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) P$\(Bd\76
{ W%)
foJ
CDialog::DoDataExchange(pDX); R|Y)ow51
//{{AFX_DATA_MAP(CCaptureDlg) Bx2E9/S3
DDX_Control(pDX, IDC_KEY, m_Key); taw
#r
DDX_Check(pDX, IDC_CONTROL, m_bControl); vuA';,:~
DDX_Check(pDX, IDC_ALT, m_bAlt); anHP5gD
DDX_Check(pDX, IDC_SHIFT, m_bShift); bNj| GIf
DDX_Text(pDX, IDC_PATH, m_Path); tvZpm@1
DDX_Text(pDX, IDC_NUMBER, m_Number); az\;D\\
//}}AFX_DATA_MAP V\^?V|
} 19h8p>Sx0
F(:+[$)
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) `
Y"Rh[C
//{{AFX_MSG_MAP(CCaptureDlg) !ZHPR:k|
ON_WM_SYSCOMMAND() FX 0^I 0
ON_WM_PAINT()
n~k;9`
ON_WM_QUERYDRAGICON() (yn!~El3
ON_BN_CLICKED(ID_ABOUT, OnAbout) Jy{A1i@4~s
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) gtJUQu p2
ON_BN_CLICKED(ID_CHANGE, OnChange) ^!!@O91T
//}}AFX_MSG_MAP RR*<txdN
END_MESSAGE_MAP() n"$D/XJO
Cj,fP[p#7
BOOL CCaptureDlg::OnInitDialog() ZI-)'
{ JuKj
CDialog::OnInitDialog(); 9-I;'
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); P*Uu)mG)G
ASSERT(IDM_ABOUTBOX < 0xF000); |&o%c/
CMenu* pSysMenu = GetSystemMenu(FALSE); /\(0@To
if (pSysMenu != NULL) mq do@
{ tNoo3&
CString strAboutMenu; /EA4-#uw
strAboutMenu.LoadString(IDS_ABOUTBOX); P.=&:ay7?
if (!strAboutMenu.IsEmpty()) R@u6mMX{N,
{
jI[:`
pSysMenu->AppendMenu(MF_SEPARATOR); B/&axm%0
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); +UB+. 5P
} gs7H9%j{U
} x=gZ7$?A
SetIcon(m_hIcon, TRUE); // Set big icon A7 E*w
SetIcon(m_hIcon, FALSE); // Set small icon /!ux P~2U
m_Key.SetCurSel(0); !zVuO*+
RegisterHotkey(); Ay22-/C|@
CMenu* pMenu=GetSystemMenu(FALSE); V.>'\b/#
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); n@Y`g{{e~
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); ;XRLp:y
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); |U>BXX P
return TRUE; // return TRUE unless you set the focus to a control =AUR]&_B
} &S]\)&Yt
-6aGcPq
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) 5a&[NN
{ 25o + ?Y<
if ((nID & 0xFFF0) == IDM_ABOUTBOX) ^D
;X
{ NyFa2Ihd
CAboutDlg dlgAbout; pg ;agtI
dlgAbout.DoModal(); S2@[F\|r
} 120<(#
else D9 OS,U/l
{ (G*--+Gn
CDialog::OnSysCommand(nID, lParam); gQCkoQi:j
} h1:uTrtA
} <U (gjX
+MIDq{B
void CCaptureDlg::OnPaint() 3W5|Y@0
{ Yy@;U]R
if (IsIconic()) a{mtG{Wc
{ VX2KE@
CPaintDC dc(this); // device context for painting 1.4]T, `
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); b,cA mZ
// Center icon in client rectangle 'RC(ss1G
int cxIcon = GetSystemMetrics(SM_CXICON); =;9Wh!{
int cyIcon = GetSystemMetrics(SM_CYICON); ?sfA/9"
CRect rect; Nc,"wA
GetClientRect(&rect); 2kp.Ljt@
int x = (rect.Width() - cxIcon + 1) / 2; kVCSFF*
int y = (rect.Height() - cyIcon + 1) / 2; "[q/2vC
// Draw the icon FAz shR
dc.DrawIcon(x, y, m_hIcon); k9vr6We'
} I QS|
else E;fYL]j/oZ
{ Hl8-1M$&
CDialog::OnPaint(); ;oH17
} 6@t4pML
} l`UJHX
fILINW{Yk)
HCURSOR CCaptureDlg::OnQueryDragIcon() zQMsS
{ )!SV V ~y
return (HCURSOR) m_hIcon; @0; 9.jml,
} y{0`+/\`
bjmUU6VLT
void CCaptureDlg::OnCancel() Ia=wf"JS)
{
V<$g^Vb
if(bTray) Z2_eTC
u
DeleteIcon(); ),(ejRP'r
CDialog::OnCancel(); cZuZfMDM
} 4_ztIrw
!h4S`2oZ/
void CCaptureDlg::OnAbout() q.yS j
{ &cV$8*2b^
CAboutDlg dlg; VLQDktj&
dlg.DoModal(); <N}UwB&
} y\$B9KX
~}q"M[{
void CCaptureDlg::OnBrowse() bIu'^
{ >Vy=5)/i
CString str;
o3 P`y:&
BROWSEINFO bi; QrDzfe[
char name[MAX_PATH]; Kn SXygT
ZeroMemory(&bi,sizeof(BROWSEINFO)); +AhR7R!
bi.hwndOwner=GetSafeHwnd(); ]tA39JK-i
bi.pszDisplayName=name; 1mm/Ssw:C
bi.lpszTitle="Select folder"; .h~M&d!
bi.ulFlags=BIF_RETURNONLYFSDIRS; qAUqlSP5
LPITEMIDLIST idl=SHBrowseForFolder(&bi); \K.i8f,
if(idl==NULL) 2f9~:.NgF
return; }{[H@uhjH
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); FbO-K-
str.ReleaseBuffer(); $Q{)AN;m
m_Path=str; +Pd&YfU9
if(str.GetAt(str.GetLength()-1)!='\\') _A|1_^[G(
m_Path+="\\"; z6#N f,
UpdateData(FALSE); kSv?p1\@&P
} Q^$IlzG7i
d/!sHr69
void CCaptureDlg::SaveBmp() "IA[;+_"
{
T8h.!Vef
CDC dc; sesr`,m.,
dc.CreateDC("DISPLAY",NULL,NULL,NULL); B$1nq#@
CBitmap bm; 1k6f|Al-
int Width=GetSystemMetrics(SM_CXSCREEN); Wp/!;
int Height=GetSystemMetrics(SM_CYSCREEN); )HNbWGu
bm.CreateCompatibleBitmap(&dc,Width,Height); BQ{Gp 2N
CDC tdc; TS^(<+'
tdc.CreateCompatibleDC(&dc); jz
QmYcd
CBitmap*pOld=tdc.SelectObject(&bm); m3C&QdjRp
tdc.BitBlt(0,0,Width,Height,&dc,0,0,SRCCOPY); JryDbGc8
tdc.SelectObject(pOld); ](a*R
BITMAP btm; <?kr"[cQeP
bm.GetBitmap(&btm); fQi7e5
DWORD size=btm.bmWidthBytes*btm.bmHeight; $IX>o&S@|
LPSTR lpData=(LPSTR)GlobalAllocPtr(GPTR,size); $9Hod-Z1
BITMAPINFOHEADER bih; .\= GfF'
bih.biBitCount=btm.bmBitsPixel; 9:4PJ%R9
bih.biClrImportant=0; `e .;P
bih.biClrUsed=0; O6LZ<}oUR
bih.biCompression=0; ;ob-'
bih.biHeight=btm.bmHeight; [7q~rcf,Z
bih.biPlanes=1; Ap9CQ h=!
bih.biSize=sizeof(BITMAPINFOHEADER); B;XFPQ#b
bih.biSizeImage=size; 4j|]=58
bih.biWidth=btm.bmWidth; fIN8::Cs[
bih.biXPelsPerMeter=0; rpu9
bih.biYPelsPerMeter=0; M >P-0IC
GetDIBits(dc,bm,0,bih.biHeight,lpData,(BITMAPINFO*)&bih,DIB_RGB_COLORS); ;ZPAnd:pb
static int filecount=0; IE.JIi^w
CString name; d!7cIYVZ
name.Format("pict%04d.bmp",filecount++); KT~J@];Fb
name=m_Path+name;
Z+`mla
BITMAPFILEHEADER bfh; S!A)kK+
bfh.bfReserved1=bfh.bfReserved2=0; Zy,U'Dv
bfh.bfType=((WORD)('M'<< 8)|'B'); $j0]+vT
bfh.bfSize=54+size; QFU;\H/
bfh.bfOffBits=54; m:5 *:Ii.
CFile bf; o[q
Kf
if(bf.Open(name,CFile::modeCreate|CFile::modeWrite)){ ${0+LhST
bf.WriteHuge(&bfh,sizeof(BITMAPFILEHEADER)); <use+C2
bf.WriteHuge(&bih,sizeof(BITMAPINFOHEADER)); ZfM(%rx
bf.WriteHuge(lpData,size); y5B4t6M(
bf.Close(); L3lf2 8W
nCount++; G 5w:
} QE[ETv
GlobalFreePtr(lpData); 6DqV1'
if(nCount==1) ?&EPZq