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:
yd$_XWp?\
%E}f7GT4 一、实现方法
3BAls+<p o e%uPZ >'q 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
Di5eD,N kl4FVZof #pragma data_seg("shareddata")
^q-]."W]t~ HHOOK hHook =NULL; //钩子句柄
12U1DEd>- UINT nHookCount =0; //挂接的程序数目
_Jx.?8 static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
U$Z)v1&{ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
$bI VD static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
y2;uG2IS_g static int KeyCount =0;
i+( k static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
wwE`YY #pragma data_seg()
5Mf bO3 =+%QfuK 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
PN:/lIO xok8 DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
J,Du:|3o N_(qMW BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
I(y:Td cKey,UCHAR cMask)
/Fy2ZYs,`8 {
XZde}zUWn BOOL bAdded=FALSE;
=&jLwy for(int index=0;index<MAX_KEY;index++){
mlW0ptp if(hCallWnd[index]==0){
%$}aWzQxll hCallWnd[index]=hWnd;
hg[ob+" HotKey[index]=cKey;
OPOL-2<wiy HotKeyMask[index]=cMask;
}c|)i,bL bAdded=TRUE;
8MqKS}\H KeyCount++;
M:K5r7Q!yv break;
6..G/,TB }
i,|2F9YH }
1(t{)Z< return bAdded;
P7np
-I* }
*gF8"0s //删除热键
zV {_dO BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
uvC ![j^~ {
<*k]Aa3y BOOL bRemoved=FALSE;
K,_d/(T4 for(int index=0;index<MAX_KEY;index++){
6+`+$s0 if(hCallWnd[index]==hWnd){
4+46z| if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
U0>Uqk", hCallWnd[index]=NULL;
xNDX(_U>\ HotKey[index]=0;
0*$? =E HotKeyMask[index]=0;
W
Cz+ bRemoved=TRUE;
PCKgdh}, KeyCount--;
rUgTJx&ds break;
kD1[6cJ!=. }
K 6 D3 }
)2vkaR }
a2Q_K2t return bRemoved;
BO]}E:C9 }
3>O=d> -aj) _.d ^q{=mf` DLL中的钩子函数如下:
w
K)/m`{g o&-c5X4 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
oY Y?`<N# {
BuwJR
Ql. BOOL bProcessed=FALSE;
y?Vsp< if(HC_ACTION==nCode)
?mM6[\DFoT {
+E5EOo{ `| if((lParam&0xc0000000)==0xc0000000){// 有键松开
{Ee[rAVGp switch(wParam)
nG Bjxhl {
x,LQA0 case VK_MENU:
?-.Qv1hs6p MaskBits&=~ALTBIT;
jbrx)9Z+% break;
BBkYc:B=SA case VK_CONTROL:
ZV,1IaO MaskBits&=~CTRLBIT;
[*i6?5}- break;
vdS)EIt case VK_SHIFT:
LS(J%\hMDm MaskBits&=~SHIFTBIT;
b&iJui"7k break;
/U1"P default: //judge the key and send message
~r%>x break;
7|vB\[s }
?U^h:n for(int index=0;index<MAX_KEY;index++){
:Ca]/ ]] if(hCallWnd[index]==NULL)
{Kdr-aC continue;
2p6`@8*34 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Rq,ST: {
&i/QFO7y} SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
R\VM6>SN'S bProcessed=TRUE;
dF
(m!P/R }
Zcq4?-& }
a
d,0*(</ }
4=b{k,kzgA else if((lParam&0xc000ffff)==1){ //有键按下
Z{#;my*X| switch(wParam)
3B+
F'k {
=5zx]N1r case VK_MENU:
BkO)hze MaskBits|=ALTBIT;
+[2X@J break;
gp?|UMA9. case VK_CONTROL:
fxR}a,a MaskBits|=CTRLBIT;
71$MhPvd< break;
`;'fCO! case VK_SHIFT:
T@. $Zpz MaskBits|=SHIFTBIT;
#c2InwZV break;
P@RUopu,i default: //judge the key and send message
uI'g]18Hi break;
W@:a3RJ }
g;M\4o for(int index=0;index<MAX_KEY;index++){
fUJ\W"qya if(hCallWnd[index]==NULL)
JW`Kh*,~< continue;
I,0]> kx if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
l:Y$A$W]> {
%s#`i$|z*n SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
'
YONRha bProcessed=TRUE;
HJ\CGYmyz }
<;?&<qMo,P }
FyZ iiH4| }
Ya_4[vR< if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
_`Abz2s for(int index=0;index<MAX_KEY;index++){
te+5@k#t if(hCallWnd[index]==NULL)
.W>8bg'u9 continue;
#=MQE if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
D(GAC!|/] SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
,0~/ Cn
//lParam的意义可看MSDN中WM_KEYDOWN部分
kP6P/F|RcZ }
Nr#Y]9nA }
x_&m$Fh }
=&-hU|ur return CallNextHookEx( hHook, nCode, wParam, lParam );
OoFQ@zE7% }
LX
%8a^?; E"[^^<I 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
B) 81mcy mQ9%[U, BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
wmNc)P4 BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
P7Th94 x+O}R D*G 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
}}GBCXAf_ Y=gj{]4 LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
O ).1> {
mX8A XWIa if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
X-Sso9/q. {
35Jno<TP' //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
NRS!Ox SaveBmp();
RRD\V3C84 return FALSE;
u+]v.Mt }
n7vLw7 …… //其它处理及默认处理
F_SkS?dB }
g~L1e5C]z I +,D,Vg ;3n0 bKDY 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
-(n[^48K 5L<}u`0J 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
mu1oD;lQ `>fN?He 二、编程步骤
@1#$ eiZv|?^0 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";
AJrwl^lm bOCdf"!g 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
lLHHuQpuj `07u}]d8 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;
u[U~`*i*rA Jkt
L|u:k 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;
I~S`'()J (
$3j 5、 添加代码,编译运行程序。
\n850PS {KL<Hx2M 三、程序代码
+1p>:cih [pbX_ ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
1vu4}%nD #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
)J_!ZpMC #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
<Ebkb3_ #if _MSC_VER > 1000
?ZSG4La\ #pragma once
#;H,`r #endif // _MSC_VER > 1000
*&e+z-E #ifndef __AFXWIN_H__
!23W=N}82 #error include 'stdafx.h' before including this file for PCH
0+8ThZ?n #endif
dv%gmUUf}k #include "resource.h" // main symbols
j:|60hDz^ class CHookApp : public CWinApp
>w9)c| {
~`hI|i<] public:
5 v~Y> CHookApp();
#'<I!G // Overrides
)QTk5zt // ClassWizard generated virtual function overrides
nl5K1!1 //{{AFX_VIRTUAL(CHookApp)
hC]c
=$=7 public:
-baGr;,Cu virtual BOOL InitInstance();
c6s(f virtual int ExitInstance();
m[oe$yH //}}AFX_VIRTUAL
Rv q_Zsm //{{AFX_MSG(CHookApp)
`+B+RQl}[ // NOTE - the ClassWizard will add and remove member functions here.
D{.%Dr? // DO NOT EDIT what you see in these blocks of generated code !
p`1d'n[ //}}AFX_MSG
$2>tfKhtA DECLARE_MESSAGE_MAP()
FTCp3g };
yixW>W} LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
)dF(5,y) BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
gKb4n
Nt BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
R_vZh| BOOL InitHotkey();
*&UVr BOOL UnInit();
=]xNpX) #endif
~c?yHpZx% }jiqUBn% //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
j\dkv_L #include "stdafx.h"
7@EYF #include "hook.h"
bq[Q #include <windowsx.h>
{yt]7^ #ifdef _DEBUG
_5
tw1 > #define new DEBUG_NEW
s^V8FH #undef THIS_FILE
)r?i^D&4 static char THIS_FILE[] = __FILE__;
tsfOPth$* #endif
.[2MPjg #define MAX_KEY 100
FbFUZ^Zj #define CTRLBIT 0x04
x0lX6
|D #define ALTBIT 0x02
h%=b"x #define SHIFTBIT 0x01
6^{ hY^Z #pragma data_seg("shareddata")
0M8JE9 Kx HHOOK hHook =NULL;
n#J$=@ UINT nHookCount =0;
4#2iL+
static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
b1[U9 static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
_&(ij(H static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
M5ZWcD.1 static int KeyCount =0;
oN `tZ;a static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
{f^30Fw #pragma data_seg()
p+8]H
% HINSTANCE hins;
V'K$:9^x[8 void VerifyWindow();
&g& &-=7) BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
4`8.\ //{{AFX_MSG_MAP(CHookApp)
}(o/+H4 // NOTE - the ClassWizard will add and remove mapping macros here.
-S,dG| // DO NOT EDIT what you see in these blocks of generated code!
=r-Wy.a@ //}}AFX_MSG_MAP
[tD*\\IA END_MESSAGE_MAP()
er#we=h o~4n8 CHookApp::CHookApp()
EL}v>sC {
+:'Po.{" // TODO: add construction code here,
cF(9[8c{ // Place all significant initialization in InitInstance
J$EEpL }
GrQl3 Xi +]
5a(/m.~ CHookApp theApp;
bR8)s{p6 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
(QRl
-| + {
w5*18L=O\ BOOL bProcessed=FALSE;
=~0XdS/1 if(HC_ACTION==nCode)
@H_LPn {
&pba~X.u if((lParam&0xc0000000)==0xc0000000){// Key up
I9Sh~vTm=u switch(wParam)
4Dd9cG,lN {
?x[>g!r case VK_MENU:
H~~(v52wD MaskBits&=~ALTBIT;
&&y@/<t break;
(w^&NU'e case VK_CONTROL:
o>*{5>#k' MaskBits&=~CTRLBIT;
hqds T break;
5:PZ=jPR case VK_SHIFT:
|n|2)hC MaskBits&=~SHIFTBIT;
nWl0R= break;
Qdn:4yk default: //judge the key and send message
@'rO=(-b break;
nx+&
{hn( }
*AA1e}R{B for(int index=0;index<MAX_KEY;index++){
jF5JpyOc if(hCallWnd[index]==NULL)
vOj$-A--qU continue;
tQ|I$5jNJ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
<5#e.w {
nSC>x:jY5/ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
UetmO`qju bProcessed=TRUE;
8xv\Zj + }
Lf:Z
(Z> }
0x &^{P~ }
"D/ fB%h` else if((lParam&0xc000ffff)==1){ //Key down
ie,{C switch(wParam)
k^]~NP {
B>mQ\Q case VK_MENU:
<@=NDUI3*, MaskBits|=ALTBIT;
zKutx6=aj break;
K%k,- case VK_CONTROL:
yh)q96m-V= MaskBits|=CTRLBIT;
h`Mf;'P break;
CMr`n8M case VK_SHIFT:
Ygl!fC
4b MaskBits|=SHIFTBIT;
gn%"dfm break;
q ^gEA5 default: //judge the key and send message
1%+^SR72 break;
k$>T(smh }
gkdjH8(2 for(int index=0;index<MAX_KEY;index++)
-5[GX3h0 {
21[F%,{.), if(hCallWnd[index]==NULL)
neBkwXF! continue;
Pla EI p if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
hMQaT-v {
(`p(c;"*C! SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
qSd
$$L^ bProcessed=TRUE;
^PI49iB }
1:t>}[Y }
%([c4el>\F }
xpk|?/6 if(!bProcessed){
-UVWs2W'$ for(int index=0;index<MAX_KEY;index++){
\);rOqh if(hCallWnd[index]==NULL)
On^#x] continue;
kYAvzuGRb if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
{V8Pn2mlo SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
)3AT=b }
}0(
Na }
[;I8 ZVE }
3^Zi/r return CallNextHookEx( hHook, nCode, wParam, lParam );
ht|r+v- }
%8Z,t+' {E/TC% BOOL InitHotkey()
qAS^5|(b[ {
J (h> if(hHook!=NULL){
.vO.g/o nHookCount++;
I,eyL$x return TRUE;
z@i4dC }
hbeC|_+ else
Eg*3**gTO hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
w%;'uN_ if(hHook!=NULL)
U\ued=H nHookCount++;
ZAZCvN@5 return (hHook!=NULL);
^ne8~
;Q }
B]7jg9/ BOOL UnInit()
~<aB-.d {
0, /x# if(nHookCount>1){
WIm7p1U#V nHookCount--;
} Kt?0 return TRUE;
TpgBS4q }
Bv8C_-lV/ BOOL unhooked = UnhookWindowsHookEx(hHook);
%S.U`(. if(unhooked==TRUE){
UD{/L"GG nHookCount=0;
3;NRW+ hHook=NULL;
jhv1 D'>6 }
1!3kAcBP return unhooked;
4Z}{hc\J }
!\1 W*6U8; I0K!Kcu5Iu BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
%%6('wi {
s.' \&B[ BOOL bAdded=FALSE;
x[UO1% _o- for(int index=0;index<MAX_KEY;index++){
@88i/ Z_ if(hCallWnd[index]==0){
Cg pT(E\E hCallWnd[index]=hWnd;
"Q{~Bj~ HotKey[index]=cKey;
PU5mz.&0' HotKeyMask[index]=cMask;
C+XZDY(=Z bAdded=TRUE;
&pjV4m|j< KeyCount++;
Z4ioXl break;
mndl~/ }
JWHt|zBg }
R Sz[6 return bAdded;
JyC&L6[]Z }
xc.D!Iav 8? Wxd65) BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
7CM03R[P {
S.|kg2 BOOL bRemoved=FALSE;
,$zlw\ for(int index=0;index<MAX_KEY;index++){
x ;,xd if(hCallWnd[index]==hWnd){
dqA[|bV if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
1D p@n hCallWnd[index]=NULL;
#Jz&9I<OKx HotKey[index]=0;
/1~|jmi( HotKeyMask[index]=0;
-MU.Hu bRemoved=TRUE;
X|E+K KeyCount--;
#0hNk%X= break;
:dIQV(iW }
~+ s*\~ }
Kt,ynA }
!{tiTA return bRemoved;
3*$9G)Ey }
`k]!6osZo uO@3vY',n void VerifyWindow()
:q64K?X {
M'zS7=F!: for(int i=0;i<MAX_KEY;i++){
bFe+m1Q_ if(hCallWnd
!=NULL){ 0 stc9_O
if(!IsWindow(hCallWnd)){ ZovW0Q)m
hCallWnd=NULL; At-U2a#J{
HotKey=0; M$Zcn# A
HotKeyMask=0; Y.g59X!Ub2
KeyCount--; cSXwYZDx?
} ek#O3Oz
} !%"8|)CAr
} j#cYS*^H
} c-B
cA
,%uo6%
BOOL CHookApp::InitInstance() ^J$2?!~
{ D#3\y*-y?
AFX_MANAGE_STATE(AfxGetStaticModuleState()); Ney/[3 A
hins=AfxGetInstanceHandle(); O^oWG&Y;v
InitHotkey(); _lamn}(x0
return CWinApp::InitInstance(); mIK7p6
} :Zlwp6
i\,-oO
int CHookApp::ExitInstance() Zl^\Q=*s
{ Tj:B!>>
VerifyWindow(); &J+CSv,39
UnInit(); A"L&a
l$i
return CWinApp::ExitInstance(); hDF@'G8F
} '<"s \,
02c':a=7
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file be.*#[
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) >CHrg]9
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ y*qVc E
#if _MSC_VER > 1000 |olA9mp|]
#pragma once g:hjy@ w
#endif // _MSC_VER > 1000 k$blEa4
qm/)ku0
class CCaptureDlg : public CDialog h2G$@8t}I
{ PvPOU"
// Construction .(K)?r-g5
public: [_k1jHr48N
BOOL bTray; _852H$H\
BOOL bRegistered; oKuI0-*mR
BOOL RegisterHotkey(); ;ub;lh 3
UCHAR cKey; ].-1v5
UCHAR cMask; 6^]+[q}3
void DeleteIcon(); p M4 :#%V
void AddIcon(); <M+|rD]oc
UINT nCount; La`N PY_:>
void SaveBmp(); G<65H+)M\
CCaptureDlg(CWnd* pParent = NULL); // standard constructor Bs^aI I$
// Dialog Data +^60T$
//{{AFX_DATA(CCaptureDlg) LSL/ZvSP
enum { IDD = IDD_CAPTURE_DIALOG }; >g1~CEMN#
CComboBox m_Key; aTH{'mN
BOOL m_bControl; 0"<H;7K#W
BOOL m_bAlt; j#!IuH\]
BOOL m_bShift; u^^[Q2LDU}
CString m_Path; oH97=>
CString m_Number; 6]K_m(F
//}}AFX_DATA <cps2*'
// ClassWizard generated virtual function overrides p|U?86t
//{{AFX_VIRTUAL(CCaptureDlg) <? q?Mn
public: 5-:?&|JK;
virtual BOOL PreTranslateMessage(MSG* pMsg); @LF,O}[2J
protected: j'Fpjt"&=
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support 8W*%aOi5+
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); ` Fa~
//}}AFX_VIRTUAL b/+u4'"
// Implementation V(H1q`ao9
protected: BtkOnbz8X
HICON m_hIcon; 9}rS(/@
}
// Generated message map functions f z'@_4hg
//{{AFX_MSG(CCaptureDlg) T6\[iJI|
virtual BOOL OnInitDialog(); p_RsU`[
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); ER%^!xA
afx_msg void OnPaint(); 5'OrHk;u
afx_msg HCURSOR OnQueryDragIcon(); g|o,uD
virtual void OnCancel(); E>6MeO
afx_msg void OnAbout(); 5AFJC?
afx_msg void OnBrowse(); T$8)u'-pa
afx_msg void OnChange(); ROH|PKb7
//}}AFX_MSG !z\h|wU+
DECLARE_MESSAGE_MAP() ">\?&0
}; T^zXt?
#endif sA+ }TNhq
(d(CT;
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file 1KU!
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#include "stdafx.h" AP3a;4Z#
#include "Capture.h" \[;0KV_
#include "CaptureDlg.h" xK>*yV
#include <windowsx.h> NDN7[7E
#pragma comment(lib,"hook.lib") 1.}d.t
#ifdef _DEBUG iDpSj!x/_
#define new DEBUG_NEW ld[I}88$
#undef THIS_FILE z0d.J1VW
static char THIS_FILE[] = __FILE__; wo3d#=
#endif =O~_Q-
#define IDM_SHELL WM_USER+1 ))qy;Q,
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); lt/1f{v[:
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); 6,pnw
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; !Z1@}`V&;
class CAboutDlg : public CDialog S;Fi?M
{ ><4<yj1
public: YX!iL6?~
CAboutDlg(); v_yw@
// Dialog Data irZ])a
//{{AFX_DATA(CAboutDlg) ___~D
dq
enum { IDD = IDD_ABOUTBOX }; M$wC=b
//}}AFX_DATA <;lkUU(WT2
// ClassWizard generated virtual function overrides )7hqJa-V
//{{AFX_VIRTUAL(CAboutDlg) Kf3"Wf^q
protected: xH ]Ct~md
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support 9p]QM)M
//}}AFX_VIRTUAL )Om*@;r(
// Implementation :'Vf
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protected: &bS,hbD t
//{{AFX_MSG(CAboutDlg) 9gW|}&-
//}}AFX_MSG 5%"V[lDx@
DECLARE_MESSAGE_MAP() H8=N@l
}; {FI&^39
F$
Y/F6\oh
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) dRYqr}!%n
{ R*,MfV
//{{AFX_DATA_INIT(CAboutDlg) w?L6!) oiz
//}}AFX_DATA_INIT 10Q ]67
} Lj({[H7D!
,~U>'&M;
void CAboutDlg::DoDataExchange(CDataExchange* pDX) soxc0OlN
{ 1C+13LE$U
CDialog::DoDataExchange(pDX); &C_j\7Dq
//{{AFX_DATA_MAP(CAboutDlg) }dX*[I
//}}AFX_DATA_MAP w7L{_aom
} 70?\ugxA
}FROB/
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) G[ PtkPSJ
//{{AFX_MSG_MAP(CAboutDlg) sI=xl
// No message handlers Fe*R
//}}AFX_MSG_MAP q1x`Bj
END_MESSAGE_MAP() ~12EQacOT
<_L,t 1H{
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) bL`TySX
: CDialog(CCaptureDlg::IDD, pParent) >58YjLXb
{ NWESP U):w
//{{AFX_DATA_INIT(CCaptureDlg) zaIKdI'/e
m_bControl = FALSE; ;?Tbnn Wn
m_bAlt = FALSE; P8:dU(nlW
m_bShift = FALSE; 6GlJ>r+n
m_Path = _T("c:\\"); mthA4sz
m_Number = _T("0 picture captured."); ktXM|#
nCount=0; B3`5O[6
bRegistered=FALSE; #lo6c;*m5
bTray=FALSE; U+jOTq8 M
//}}AFX_DATA_INIT 4\N;2N
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 QO:!p5^:
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); VBlYvZ;$*
} ?=msH=N<l
X,%
0/6*]
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) KZY}%il!`
{ HyQJXw?A:
CDialog::DoDataExchange(pDX); `{h*/Q
//{{AFX_DATA_MAP(CCaptureDlg) |3b^~?S
DDX_Control(pDX, IDC_KEY, m_Key); net@j#}j-
DDX_Check(pDX, IDC_CONTROL, m_bControl); %IA\pSE
DDX_Check(pDX, IDC_ALT, m_bAlt); jRlYU`?
DDX_Check(pDX, IDC_SHIFT, m_bShift); H2 {+)
DDX_Text(pDX, IDC_PATH, m_Path); SHxNr(wJ<Q
DDX_Text(pDX, IDC_NUMBER, m_Number); &BLJT9Frx
//}}AFX_DATA_MAP qA7>vi%
} 7F7{)L
p4rL}Jm&
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) +o{R _
//{{AFX_MSG_MAP(CCaptureDlg) UgSB>V<?
ON_WM_SYSCOMMAND() ?3,:-"(@p
ON_WM_PAINT() )EuvRLo{S7
ON_WM_QUERYDRAGICON() ~W'{p
ON_BN_CLICKED(ID_ABOUT, OnAbout) ,-c6dS
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) {4}yKjW%z
ON_BN_CLICKED(ID_CHANGE, OnChange) 9&2O9Nz6
//}}AFX_MSG_MAP ^mDe08.
%b
END_MESSAGE_MAP() {6|G@""O
4[r0G+
BOOL CCaptureDlg::OnInitDialog() P )"m0Lu<
{ TER=*"!
CDialog::OnInitDialog(); _/$Bpr{R
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); {\"x3;3!6
ASSERT(IDM_ABOUTBOX < 0xF000); 7kLz[N6Ll
CMenu* pSysMenu = GetSystemMenu(FALSE); k,6f
if (pSysMenu != NULL) )[6U^j4
{ iC32nY?
CString strAboutMenu; GW@;}m(
strAboutMenu.LoadString(IDS_ABOUTBOX); bHYy }weZ
if (!strAboutMenu.IsEmpty()) NO>w+-dGS
{ (zYtNLoFx
pSysMenu->AppendMenu(MF_SEPARATOR); bdrg(d6
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); K(rWNO
} WRbj01v
} G@\1E+Ip
SetIcon(m_hIcon, TRUE); // Set big icon 'RR~7h
SetIcon(m_hIcon, FALSE); // Set small icon -H@:*
m_Key.SetCurSel(0); Wx}8T[A}
RegisterHotkey(); zpZm&WC
CMenu* pMenu=GetSystemMenu(FALSE); O2E/jj
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); ,j{,h_Op
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); YeL#jtC
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); ~s*)f.l
return TRUE; // return TRUE unless you set the focus to a control F?*-4I-
} Ad8n<zt|
jDfC=a])
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) y/{fX(aV
{ 2DtM20<>
if ((nID & 0xFFF0) == IDM_ABOUTBOX) mt{nm[D!Xp
{ 5E;qM|Ns
CAboutDlg dlgAbout; kk@fL
dlgAbout.DoModal(); -q1??u
} g`' !HGY
else O)*+="Rg
{ zuad~%D<I
CDialog::OnSysCommand(nID, lParam); 6+|do+0Icg
} :D6
ON"6
} u(>^3PJ+
R6Km\N
void CCaptureDlg::OnPaint() z6=Z\P+
{ .m,_N@,
if (IsIconic()) O7m(o:t x3
{ VU(v3^1"
CPaintDC dc(this); // device context for painting 4{U T!WIi
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 9@(PWz=`?
// Center icon in client rectangle feDlH[$
int cxIcon = GetSystemMetrics(SM_CXICON); H?vdr:WlTN
int cyIcon = GetSystemMetrics(SM_CYICON); x.!V^HQSN
CRect rect; w!-gJmX>
GetClientRect(&rect); e "4 ''/
int x = (rect.Width() - cxIcon + 1) / 2; xQ-<WF1i
int y = (rect.Height() - cyIcon + 1) / 2; .+3g*Dv{&
// Draw the icon a`E#F]Z
dc.DrawIcon(x, y, m_hIcon); {9&;Q|D z
} W.f/pu
else &tLgG4pd
{ ;~)5s'
CDialog::OnPaint(); yiXSYD
} UT~4x|b:O
} f;o5=)Y
{tuYs:
HCURSOR CCaptureDlg::OnQueryDragIcon() 2>xF){`
{ o4F2%0gJ
return (HCURSOR) m_hIcon; y1eWpPJa
} zII|9y
w7.V6S$Ga
void CCaptureDlg::OnCancel() X"|['t
{ ,Bi.1
%$
if(bTray) T= y}y
DeleteIcon(); PB\(=
CDialog::OnCancel(); K( c\wr\6
} 8sWJcmVo
H7&8\FNa
void CCaptureDlg::OnAbout() wtQ++l%{G
{ Olt?~}
CAboutDlg dlg; qdJ=lhHM}
dlg.DoModal(); |/|5UiX7
} T"}5}6rSG
*MFIV02[N
void CCaptureDlg::OnBrowse() 93)sk/j
{ ouvA~/5
CString str; JQ_sUYh~3
BROWSEINFO bi; av8B-GQI*#
char name[MAX_PATH]; iJ)_RSFK
ZeroMemory(&bi,sizeof(BROWSEINFO)); lV3x *4O=
bi.hwndOwner=GetSafeHwnd(); $t'MSlF
bi.pszDisplayName=name; HTv2#
bi.lpszTitle="Select folder"; "+R+6<