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:
@Z%I g
OA\
*)c+F 一、实现方法
bF{14F$ F` gQ[ 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:
$XO#qOW -~
5|_G2Y" #pragma data_seg("shareddata")
WMXk-?v4 HHOOK hHook =NULL; //钩子句柄
<-m?l6 UINT nHookCount =0; //挂接的程序数目
uZ7~E._ static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
0G"I}Jp{ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
]aVFWzey static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
mtu`m6Xix static int KeyCount =0;
a]u1_ $) static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
vW:XM0 #pragma data_seg()
6=xbi{m$ \IG"Te 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。
4'ymPPY Xv1mjHZCC 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:
qOd*9AS'|M ,c_NXC^X? BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
Uq}-<q cKey,UCHAR cMask)
;~5w`F) {
}^Kye23 BOOL bAdded=FALSE;
|UZhMF4/-L for(int index=0;index<MAX_KEY;index++){
Kv26rY8Q if(hCallWnd[index]==0){
nkvkHh hCallWnd[index]=hWnd;
rlIDym9nY~ HotKey[index]=cKey;
%knPeo& HotKeyMask[index]=cMask;
d)7V: bAdded=TRUE;
"vnWq=E2 KeyCount++;
}v?_.MtS break;
G~;hD-D~. }
L?gak@E }
*K1GX return bAdded;
h%T$m_ }
yxU??#v|g //删除热键
-U/m BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
".R5K ? {
#aV2+ `d BOOL bRemoved=FALSE;
4 9zOhG
| for(int index=0;index<MAX_KEY;index++){
nQW`X=Ku if(hCallWnd[index]==hWnd){
|p7k2wzN if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
h"~GaI hCallWnd[index]=NULL;
R0!qweGi@ HotKey[index]=0;
7iJ=~po:o HotKeyMask[index]=0;
7f9i5E1 bRemoved=TRUE;
KoPhPH KeyCount--;
(}C%g{8 break;
.`ppp!:a4 }
,`lVB#| }
?m$7)@p }
l*Iy:j(B return bRemoved;
M!ra3Y }
ix=H=U]Q{ (YJ]}J^ ORo +=2 DLL中的钩子函数如下:
ADa'(#+6 =_/,C LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
? <.U, {
_+\hDV>v BOOL bProcessed=FALSE;
5Se
S^kJC if(HC_ACTION==nCode)
iVKX *kqc {
~!w()v n if((lParam&0xc0000000)==0xc0000000){// 有键松开
'"=Mw;p switch(wParam)
m%hUvG| i {
q3s
+?& case VK_MENU:
t,2Q~ied= MaskBits&=~ALTBIT;
faVR % break;
j`9+pI case VK_CONTROL:
MFyMo MaskBits&=~CTRLBIT;
z!={d1u#T break;
@fH?y Z=> case VK_SHIFT:
aDik1Q MaskBits&=~SHIFTBIT;
h*qoe(+ZD break;
'e(`2 default: //judge the key and send message
{|jG_ break;
z mxrz[ }
!1H\*VM" for(int index=0;index<MAX_KEY;index++){
cO#e
AQf7 if(hCallWnd[index]==NULL)
96.A8o continue;
v&>TU(x\H if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Z-!W#
{
#z\{BtK SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
=v$H8w bProcessed=TRUE;
kXq*Jq }
I oz
rZ }
MpV6Vbp }
(]yOd/ru/C else if((lParam&0xc000ffff)==1){ //有键按下
*1L;%u| [ switch(wParam)
k-(hJ}N {
N2"4dVV; case VK_MENU:
[]{g9CO MaskBits|=ALTBIT;
bD[6)
ITg break;
h%Nbx:vKk case VK_CONTROL:
7b2N'^z} MaskBits|=CTRLBIT;
%0PZZl5b break;
Hset(-=X case VK_SHIFT:
H:ar&o#( MaskBits|=SHIFTBIT;
GA{Q6]B break;
J! @$lyH default: //judge the key and send message
TT429 break;
&S.zc@rN }
eKL)jzC: for(int index=0;index<MAX_KEY;index++){
HgwL~vG if(hCallWnd[index]==NULL)
5O9Oi:-!c continue;
_J51:pi if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
HHbkR2H1 {
ms8PFu(f SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
r"a4;&mf bProcessed=TRUE;
; b2)WM: }
7^bO` }
%NbhR( }
0;-S){ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
{.We%{4V for(int index=0;index<MAX_KEY;index++){
1R/=as,R if(hCallWnd[index]==NULL)
-4JdKO continue;
9Q".166 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
>sE5zj|V SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
2w=0&wG4K //lParam的意义可看MSDN中WM_KEYDOWN部分
x@I@7Pvo3 }
m6bI<C3^5 }
#![i
{7 }
edPnC
{?s return CallNextHookEx( hHook, nCode, wParam, lParam );
_|MY/SN4A }
j.GpJDq /tno`su; 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
4QnJ;&~ Pl=X<Bp BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
w+cI0lj BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
9-+6Ed^2 x C'>W"pY 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
~BVg#_P ]?L?q2>& LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
<3;/,>^ Pm {
HFwT
if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
cI3uH1;# {
)gNHD?4x //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
V#W(c_g SaveBmp();
TA=Ij,z~ return FALSE;
S:] w@$ }
nMcd(&`N …… //其它处理及默认处理
EIl _QV6 }
a%f5dj+ m=2TzLVv /^v4[] 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。
}k}5\%#li5 J4te!, 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。
8zz-jkR 0Bn$C,- 二、编程步骤
MB\vgKY :Ke~b_$Uy- 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";
xH\'gli/ \O?#gW\tR 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
kX{c+qHM ~K^Z4 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;
C+}uH:I'L }rVnuRq 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;
Dw{C_e yPm)r2Ck 5、 添加代码,编译运行程序。
xYM!mcA SZc6=^$ 三、程序代码
_y`'T;~OY A0S6 4( ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
94W9P't #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
-4b9( #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
Yc#o GCt #if _MSC_VER > 1000
XaD}J:X q #pragma once
BZsw(l4/0' #endif // _MSC_VER > 1000
b n^^|i #ifndef __AFXWIN_H__
Lm'Ony^F #error include 'stdafx.h' before including this file for PCH
&&[j/d}J #endif
q{c6DCc ]\ #include "resource.h" // main symbols
\VPU) class CHookApp : public CWinApp
hdN3r{ {
\u,hS*v0 public:
uZ Id.+Rk CHookApp();
g}' "&Y // Overrides
LP_!g // ClassWizard generated virtual function overrides
RXgi>Hz //{{AFX_VIRTUAL(CHookApp)
Q=~e| public:
Oa7`Y`6 virtual BOOL InitInstance();
L4SFu.J' virtual int ExitInstance();
z-(dT //}}AFX_VIRTUAL
blaxUP: //{{AFX_MSG(CHookApp)
Z/hSH
0 (~ // NOTE - the ClassWizard will add and remove member functions here.
R^dAwt`.D // DO NOT EDIT what you see in these blocks of generated code !
2hf]XV\ //}}AFX_MSG
2c!?!:s DECLARE_MESSAGE_MAP()
W32mAz; };
Ik=KEOz LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
I2|iqbX40Q BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
~oT0h[< BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
" S#0QH%5 BOOL InitHotkey();
^#exsXy BOOL UnInit();
sKjg)3Sl #endif
nb'],({:9 LUKdu&M //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
UX2`x9 #include "stdafx.h"
sh}=#eb #include "hook.h"
kYxn5+~ #include <windowsx.h>
Vjj30f #ifdef _DEBUG
62%.ddM4 #define new DEBUG_NEW
6E@r9U #undef THIS_FILE
|/ZpZ7 static char THIS_FILE[] = __FILE__;
l[Ng8[R #endif
3j<]
W #define MAX_KEY 100
&{y-}[~
#define CTRLBIT 0x04
)#Y*] #define ALTBIT 0x02
Uh?SDay #define SHIFTBIT 0x01
T
-C2V$1 #pragma data_seg("shareddata")
T\8|Q@ HHOOK hHook =NULL;
,+,""t UINT nHookCount =0;
E+>Qpy static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
z{``v|K static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
6!Ji-'\" static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
;2)@NH static int KeyCount =0;
t1g)Y|@d static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
A(Ugam~} #pragma data_seg()
Jh M.P9 HINSTANCE hins;
Gnj|y?' void VerifyWindow();
D19uI&U4 BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
#=7~.Y //{{AFX_MSG_MAP(CHookApp)
sqJ?dIBH // NOTE - the ClassWizard will add and remove mapping macros here.
*'PG@S // DO NOT EDIT what you see in these blocks of generated code!
Jan73AOX //}}AFX_MSG_MAP
'(&.[Pk:" END_MESSAGE_MAP()
6BLw 4m=h XLg6?Nu CHookApp::CHookApp()
_hA p@?
M {
OPBnU@=R // TODO: add construction code here,
q%Obrk // Place all significant initialization in InitInstance
M<~z=B# }
~naL1o_FZ ];Bh1 CHookApp theApp;
WJ=eV8Uk LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
^C_Y[i
~| {
HWFo9as""v BOOL bProcessed=FALSE;
#{UM4~|: if(HC_ACTION==nCode)
*hAq]VC}) {
>F!2ib8 if((lParam&0xc0000000)==0xc0000000){// Key up
gG~UsA switch(wParam)
t~Cul+ {
z[}[:H8 case VK_MENU:
f77Jn^Dt MaskBits&=~ALTBIT;
EF qWnz break;
@lDoMm,m' case VK_CONTROL:
j5G8IP_Wx MaskBits&=~CTRLBIT;
`kVy1WiY break;
m+"?;;s case VK_SHIFT:
L@t<%fy@ MaskBits&=~SHIFTBIT;
Z-*L[ break;
M7fw/i default: //judge the key and send message
*s S7^OZ* break;
"^Tb8! }
;
R&wr_% for(int index=0;index<MAX_KEY;index++){
tO)mKN+
( if(hCallWnd[index]==NULL)
2^E.sf$f continue;
)(_}60 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
x =5k74 {
V[5-A $ft SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
xWU0Ev)4U bProcessed=TRUE;
D7olu29 }
&^{HD }/{b }
|t!kD(~r }
Vqb4
MWW else if((lParam&0xc000ffff)==1){ //Key down
b Zn:q[7 switch(wParam)
8uchp {
xCEEv5(5 case VK_MENU:
#K"jtAm MaskBits|=ALTBIT;
!WR(H&uBr\ break;
0.~QA+BD:S case VK_CONTROL:
r-9P&*1 MaskBits|=CTRLBIT;
SZzS$6t break;
4T{+R{_Y1 case VK_SHIFT:
&BFW`5N MaskBits|=SHIFTBIT;
m@u!frE, break;
=^|^"b default: //judge the key and send message
Zq}w}v break;
6
GO7[?U< }
m`}!
dBi for(int index=0;index<MAX_KEY;index++)
-*_D! {
k>FMy#N|@ if(hCallWnd[index]==NULL)
ZXY5Xvt:v continue;
"<Dn%r if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
l|/h4BJ' {
B-@6m SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
Tu?+pz`h bProcessed=TRUE;
e_kP=|u)g }
Nh^T,nv*l }
{W)Kz_ }
E*:!G if(!bProcessed){
1j`-lD for(int index=0;index<MAX_KEY;index++){
Q&opnvN if(hCallWnd[index]==NULL)
lQ<2Vw#Yl continue;
C5CUMYU if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
IgI*mDS&b SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
j#f+0 }
/XeDN-{ }
0k@4;BY u }
&BY%<h0c return CallNextHookEx( hHook, nCode, wParam, lParam );
V}. uF,>V }
d(3F:dbk AE={P*g BOOL InitHotkey()
X|TEeE c[L {
9TIyY`2! if(hHook!=NULL){
,^pM]+NF| nHookCount++;
O#7ONQfBO return TRUE;
Hzcy' }
&=Gz[1
L else
z\Rs?v" hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
3l_Ko%qS if(hHook!=NULL)
`MAee8u' nHookCount++;
X/gIH/ return (hHook!=NULL);
gbsRf&4h }
OL4I}^*, BOOL UnInit()
!
@{rkp {
1P.
W 34 if(nHookCount>1){
W=c7>s0> nHookCount--;
Nwr.mtvh return TRUE;
)@09Y_9r }
X^r5su? BOOL unhooked = UnhookWindowsHookEx(hHook);
Y9Q-<~\z if(unhooked==TRUE){
SpPG nHookCount=0;
an_qE}P hHook=NULL;
zlF*F8>m }
L$=@j_V2 return unhooked;
1+~JGY# }
L-hK(W!8pt x|d Xa0=N_ BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
Z.am^Q^Y! {
A{iI,IFe BOOL bAdded=FALSE;
8/,m8UOY for(int index=0;index<MAX_KEY;index++){
uSLO"\zysX if(hCallWnd[index]==0){
!
E`Tt[ hCallWnd[index]=hWnd;
vA2@Db} HotKey[index]=cKey;
9uV/G7Geq HotKeyMask[index]=cMask;
\(Dq=UzQI bAdded=TRUE;
l+Dl~o} KeyCount++;
#4%4iR5% break;
,],"tzKtE }
K QXw~g? }
8
!Pk1P return bAdded;
'(mJ*Eb }
w$n\`rQ sOg@9-_Uh BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
S(9Xbw)T {
A%>Ir`I BOOL bRemoved=FALSE;
e4p:Zb: for(int index=0;index<MAX_KEY;index++){
h#'(i<5v
if(hCallWnd[index]==hWnd){
L+LxS|S+M if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
r=Z#"68$ hCallWnd[index]=NULL;
Rp4EB:* HotKey[index]=0;
!%5ae82~3 HotKeyMask[index]=0;
X&o!xV -+ bRemoved=TRUE;
[t*m$0[: KeyCount--;
;>QED break;
Rq gH,AN }
|:$D[= }
y3F13 Z@% }
3v)v92; return bRemoved;
+(0Fab8g }
#DApdD9M #P.jlpZk void VerifyWindow()
py`RH) {
F(>']D9$. for(int i=0;i<MAX_KEY;i++){
ePdM9% if(hCallWnd
!=NULL){ F@Y)yi?z
if(!IsWindow(hCallWnd)){ W6ZXb_X
hCallWnd=NULL; [SgWUP*
HotKey=0; [hTGWT3
HotKeyMask=0; Vo}3E]
KeyCount--; '\\dh
} ";E Mu(IXb
} &f'\9lO
} i#$9>X
} -FytkM^]6
+5H9mk
BOOL CHookApp::InitInstance() u
+q}9
{ 8:;_MBt
AFX_MANAGE_STATE(AfxGetStaticModuleState()); ?jbE3fW
hins=AfxGetInstanceHandle(); *(YtO
InitHotkey(); Yr@_X
return CWinApp::InitInstance(); }dw`[{cm
} z"*X/T
UZ0fw@R M
int CHookApp::ExitInstance() IG0$OtG
{ :VP4|H#SP
VerifyWindow(); })!d4EcZf
UnInit(); G3n* bv
return CWinApp::ExitInstance(); /AV
[g^x2
} qp 4.XL
n"vl%!B
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file a]'sby
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) F+,X%$A#?
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ JW9^C
#if _MSC_VER > 1000 ,X(P/x{B
#pragma once ((^jyQ
#endif // _MSC_VER > 1000 .w/#S-at
x?Z)q4
class CCaptureDlg : public CDialog Cbm
{ 9)0AwLlv
// Construction : Q X~bq
public: `fh^[Q|4n0
BOOL bTray; -QjdL9\[c7
BOOL bRegistered; J_YbeZ]
BOOL RegisterHotkey(); pA)!40kz
UCHAR cKey; {k] 2h4 &h
UCHAR cMask; NLFs)6\
void DeleteIcon(); GdG1e%y]z
void AddIcon(); $fhrGe
UINT nCount; (RG\U[
void SaveBmp(); 95Bw;U3E
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 1}#v<b$
// Dialog Data @?iLz7SPk
//{{AFX_DATA(CCaptureDlg) P7QOlTQI
enum { IDD = IDD_CAPTURE_DIALOG }; n={}='
CComboBox m_Key; \kcJF'JFA0
BOOL m_bControl; z_R^n#A~r
BOOL m_bAlt; JL $6Fw;
BOOL m_bShift; fpf1^TZ
CString m_Path; LSb3w/3M
CString m_Number; {PgB~|W
//}}AFX_DATA R 5 47
// ClassWizard generated virtual function overrides } Uki)3(
//{{AFX_VIRTUAL(CCaptureDlg) r|4jR6%<'m
public: BM=`zGh"
virtual BOOL PreTranslateMessage(MSG* pMsg); `?LQd2p
protected: ta"/R@ k*
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support SY|r'8Z%Q
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); qJ|ByZ.N+
//}}AFX_VIRTUAL [1B F8:
// Implementation J9S9rir&
protected: D}'g4Ag
HICON m_hIcon; mj5$ 2J
// Generated message map functions Ol H{!
//{{AFX_MSG(CCaptureDlg)
c+?L?s`"
virtual BOOL OnInitDialog(); },'hhj]O
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); -/|O*oZ
afx_msg void OnPaint(); I7TdBe-
afx_msg HCURSOR OnQueryDragIcon(); 2Fi>nJ
virtual void OnCancel(); 0/hX3h
afx_msg void OnAbout(); *I%r
afx_msg void OnBrowse(); jC+>^=J(
afx_msg void OnChange(); SjD,
//}}AFX_MSG iY"I:1l.
DECLARE_MESSAGE_MAP() ='u'/g$'&
}; ha
#endif Je_Hj9#M\d
+#8?y
5~q
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file QwXM<qG*
#include "stdafx.h" Hn)K;?H4
#include "Capture.h" ! P/ ]o
#include "CaptureDlg.h" =<fH RX`
#include <windowsx.h> H6E@C}cyM
#pragma comment(lib,"hook.lib") ,Hh7'`
#ifdef _DEBUG MuB8gSu
#define new DEBUG_NEW 3GqJs
#undef THIS_FILE ~ z4T
static char THIS_FILE[] = __FILE__; v:1l2Y)g
#endif 58zs%+F
#define IDM_SHELL WM_USER+1 ~J?O ~p`&
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); q88p~Ccoa
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); h`+Gs{1qw
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; IrQ8t!
class CAboutDlg : public CDialog Pd!;z=I
{
F7a &-
public: yq+<pfaqvK
CAboutDlg(); }l$M%Ps!a
// Dialog Data 'D%No!+Py
//{{AFX_DATA(CAboutDlg) !VpZo*+
enum { IDD = IDD_ABOUTBOX }; ^y'xcq
//}}AFX_DATA xP*9UXZ4P
// ClassWizard generated virtual function overrides wpu]{~Y
//{{AFX_VIRTUAL(CAboutDlg) 2!>phE
protected: &:=
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support Gp9>R~$
//}}AFX_VIRTUAL {YZ)IaqZ
// Implementation G&:[G>iSm^
protected: }hyK/QUCoN
//{{AFX_MSG(CAboutDlg) ac>}$Uw)
//}}AFX_MSG b0X*+q
DECLARE_MESSAGE_MAP() y2>v'%]2
}; mXlXB#N
P]!$MOt
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) @iB**zR/
{ 4LARqSmt
//{{AFX_DATA_INIT(CAboutDlg) A>+5~u
//}}AFX_DATA_INIT 5FqUFzVqsl
} n>>hfxv(O!
Hf+A52lrf
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 'j#oMA{0
{ }#zE`IT
CDialog::DoDataExchange(pDX); nQK@Uy5Yr
//{{AFX_DATA_MAP(CAboutDlg) WIO V
//}}AFX_DATA_MAP hJ4==ILx
} 2#_9x7g+
PN/2EmwtC
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) F`8A!|cIy
//{{AFX_MSG_MAP(CAboutDlg) RyD2LAf)J
// No message handlers DamLkkoA
//}}AFX_MSG_MAP &=|W95
END_MESSAGE_MAP() w3Aq[1U0
9pE)S^P
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) %8`zaa
: CDialog(CCaptureDlg::IDD, pParent) 95(c{
l/
{ @
:Q];rc
//{{AFX_DATA_INIT(CCaptureDlg) 9;dP7o
m_bControl = FALSE; (HLy;^#R
m_bAlt = FALSE; !? ?Cxs'
m_bShift = FALSE; lnbw-IE!
m_Path = _T("c:\\"); :d/Z&LXD
m_Number = _T("0 picture captured."); Fdd$Bl.&XS
nCount=0; 8"wA8l.
bRegistered=FALSE; "A__z|sQ
bTray=FALSE; SAs'u"EB
//}}AFX_DATA_INIT +;#hED;8
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 .
)Fn]x"<
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); H:U1#bQQ:
} ;G!X?(%+
meR%);\
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) v|_?qBs"
{ X X{:$f+
CDialog::DoDataExchange(pDX); 2t1 WbP1
//{{AFX_DATA_MAP(CCaptureDlg) v0X5`VV
DDX_Control(pDX, IDC_KEY, m_Key); '\1%%F7
DDX_Check(pDX, IDC_CONTROL, m_bControl); Q9K
Gf;
DDX_Check(pDX, IDC_ALT, m_bAlt); R.A}tV=j#
DDX_Check(pDX, IDC_SHIFT, m_bShift); !f)'+_d
DDX_Text(pDX, IDC_PATH, m_Path); r d]HoFE
DDX_Text(pDX, IDC_NUMBER, m_Number); r!Eo8C
//}}AFX_DATA_MAP ( NjX?^
} {ZbeF#*"
j='Ne5X1
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog)
_+|*
//{{AFX_MSG_MAP(CCaptureDlg) fouy??
ON_WM_SYSCOMMAND() '7>Vmr6
ON_WM_PAINT() QC4_\V>[
ON_WM_QUERYDRAGICON() jR@-h"2*A
ON_BN_CLICKED(ID_ABOUT, OnAbout) 1|/2%IDUI
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) :L:;~t K
ON_BN_CLICKED(ID_CHANGE, OnChange) zQ]IlMt
//}}AFX_MSG_MAP j /-p3#c
END_MESSAGE_MAP() )t&|oQ3sVG
~SM2W%
BOOL CCaptureDlg::OnInitDialog() N$Gx$u3Cd
{ b_V)]>v+
CDialog::OnInitDialog(); QI=SR
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); rC_K
L
ASSERT(IDM_ABOUTBOX < 0xF000); =eac,]31
CMenu* pSysMenu = GetSystemMenu(FALSE); Uw61X>y=
if (pSysMenu != NULL) sf\;|`}
{ Tj0eW(<!s
CString strAboutMenu; Zu%_kpW
strAboutMenu.LoadString(IDS_ABOUTBOX); U{>!`RN
if (!strAboutMenu.IsEmpty()) m{%_5 nW
{ 2:p2u1Q
O
pSysMenu->AppendMenu(MF_SEPARATOR); =AgY8cF!sl
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); ,)]ZD H
} ys+?+dY2
} #l;Ekjfz
SetIcon(m_hIcon, TRUE); // Set big icon I_pA)P*Q(6
SetIcon(m_hIcon, FALSE); // Set small icon 0)ST_2Ci
m_Key.SetCurSel(0); +Ya-h~7;g#
RegisterHotkey();
C&e
CMenu* pMenu=GetSystemMenu(FALSE); %Pa-fee
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); `9K'I-hv<8
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); 9%zR?u
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); DVTzN(gO*~
return TRUE; // return TRUE unless you set the focus to a control 4i~;Ql
} qh.c#t
J\;~(:
~
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) M?nnpO
{ .)cOu>
if ((nID & 0xFFF0) == IDM_ABOUTBOX) &`>*3m(
{ l*X5<b9
CAboutDlg dlgAbout; }=f}@JlFB
dlgAbout.DoModal(); "g=ux^+X\
} n1sH`C[c
else `=-}S+
{ $S,Uoh
CDialog::OnSysCommand(nID, lParam); 6_XX[.%
} T7W+K7kbI
} *ac#wEd
`M7){
void CCaptureDlg::OnPaint() e6F:['j
{ FswFY7
8
if (IsIconic()) cz T@ txF
{ dk(-yv'
CPaintDC dc(this); // device context for painting
}U^9(
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); [MiD%FfcNH
// Center icon in client rectangle ZgXh[UHQy
int cxIcon = GetSystemMetrics(SM_CXICON); H}U&=w'
int cyIcon = GetSystemMetrics(SM_CYICON); %mcuYR'D}
CRect rect; G^2"\4R]p
GetClientRect(&rect); zG@!(
int x = (rect.Width() - cxIcon + 1) / 2; s?`)[K'-
int y = (rect.Height() - cyIcon + 1) / 2; /`s^.Xh
// Draw the icon P@5^`b|
dc.DrawIcon(x, y, m_hIcon); DV%tby
} zkd#vAY(A
else 6]rrj
{ zP9 HYS
CDialog::OnPaint(); ?QuFRl,ZJ
} TTOd0a
} kW,yZ.?f
T|{BT!
W1E
HCURSOR CCaptureDlg::OnQueryDragIcon() |f>y"T+1
{ 9*2hBNp+
return (HCURSOR) m_hIcon; !Uj !Oy
} ^mz_T+UOe
gj'ar
void CCaptureDlg::OnCancel() %^5$=w
{ n]o+KT\
if(bTray) 5cfzpOqr0
DeleteIcon(); C*gSx3OG
CDialog::OnCancel(); lO9>?y8.y
} Yd<~]aXM
9J%>2AA
void CCaptureDlg::OnAbout() uq%RZF
z(v
{ V) a6H^l
CAboutDlg dlg; 7=<PVJ*/
dlg.DoModal(); K^w9@&