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:
wamqeb{u
Tb}`]Y`X 一、实现方法
V|xR`Q +t/VF(! 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:
:?jOts>uP ngEjbCV+ #pragma data_seg("shareddata")
)1J&tV*U HHOOK hHook =NULL; //钩子句柄
SLz^Wg._ UINT nHookCount =0; //挂接的程序数目
8!me$k& static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
5`6@CRef static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
r6 ,5&`& static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
2={`g/WeE static int KeyCount =0;
QS_"fsyN: static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
L4}C%c\p* #pragma data_seg()
$>5|TG
0i #12PO q 关于共享段,有几点重要的说明:一是必须在链接选项里指定该段为共享:一种方法是在project->settings->link->object/library中加上/section:shareddata,rws;第二种方法是在def文件的sections里加上一句shareddata read write shared;第三种指定共享段的方法在程序里加上一句#pragma comment(linker,"section:shareddata,rws")。二是所有的变量必须初始化,否则链接程序会把它放到普通数据段。三是如果不初始化变量,需要在段外用"__declspec(allocate("shareddata")) 变量类型 变量名"的方式定义。
6!Ji-'\" "=9L7.E) DLL中的两个输出函数分别用来添加/删除热键,函数代码如下:
gGe `w N}VKH5U| BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
Sxjwqqv cKey,UCHAR cMask)
vlm&)DIt {
2HkP$;lED BOOL bAdded=FALSE;
: B$
d for(int index=0;index<MAX_KEY;index++){
/S\P=lcb if(hCallWnd[index]==0){
`dn|nI2 hCallWnd[index]=hWnd;
J L`n12$m HotKey[index]=cKey;
?J6J#{LRd HotKeyMask[index]=cMask;
MBXumc_g bAdded=TRUE;
sh:sPzQ%Jv KeyCount++;
ga6M8eOI break;
~e ]83? }
m}Kn!21 }
5RI"gf return bAdded;
<.s[x~b\` }
#G$_\bt //删除热键
(6>8Dt 9[ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
5Ee%!Pk {
\@GA;~x.b BOOL bRemoved=FALSE;
:=T+sT~ for(int index=0;index<MAX_KEY;index++){
&JtK<g if(hCallWnd[index]==hWnd){
-+#\WB{AI if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
<8+.v6DCd hCallWnd[index]=NULL;
C:0Ra^i ?L HotKey[index]=0;
DE^{8YX, HotKeyMask[index]=0;
K.",=\53 bRemoved=TRUE;
HPg@yx"U KeyCount--;
80&JEtRh break;
%W+*)u72( }
!d&K,k }
;6U=fBp7< }
K82pWpR return bRemoved;
e%U0^! 8 }
vtv|H 5yuj}/PZ +0;6.PK DLL中的钩子函数如下:
D7olu29 &^{HD }/{b LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
|t!kD(~r {
Vqb4
MWW BOOL bProcessed=FALSE;
b Zn:q[7 if(HC_ACTION==nCode)
8uchp {
xCEEv5(5 if((lParam&0xc0000000)==0xc0000000){// 有键松开
i~M CY.F switch(wParam)
M`9qo8zCi {
(w-z~#< case VK_MENU:
nQa5e_q!u MaskBits&=~ALTBIT;
O3j:Y|N@F break;
gieTkZ case VK_CONTROL:
,<d[5;7x MaskBits&=~CTRLBIT;
q+>{@tP9 break;
m5v9:5{ case VK_SHIFT:
XWf8ZZj MaskBits&=~SHIFTBIT;
6
GO7[?U< break;
m`}!
dBi default: //judge the key and send message
-*_D! break;
k>FMy#N|@ }
+=)<
Su. for(int index=0;index<MAX_KEY;index++){
}f+If{ if(hCallWnd[index]==NULL)
l|/h4BJ' continue;
B-@6m if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Tu?+pz`h {
SWNi@ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Nh^T,nv*l bProcessed=TRUE;
{W)Kz_ }
4h@jJm
}
(Ub=sC }
N&]v\MjI62 else if((lParam&0xc000ffff)==1){ //有键按下
[}9sq+## switch(wParam)
\ExM.T {
-}/u?3^- case VK_MENU:
E5~HH($b MaskBits|=ALTBIT;
|h\e(_G\ break;
C\ZL*,%} case VK_CONTROL:
Vl%AN;o MaskBits|=CTRLBIT;
m.iCGX break;
rr>QG<i;G case VK_SHIFT:
o8-BTq8 MaskBits|=SHIFTBIT;
{KxeH7S break;
w4Qqo( default: //judge the key and send message
j&6,%s-M`a break;
6iVjAxR }
'_lyoVP for(int index=0;index<MAX_KEY;index++){
L'BDS* if(hCallWnd[index]==NULL)
puF'w:I( continue;
9z$]hl if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Z3g6?2w6 {
*p`0dvXG2 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
/`Yy(?, bProcessed=TRUE;
5Q#;4 }
w},' 1 }
:!Wijdq }
I?YTX if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
Dd-;;Y1C for(int index=0;index<MAX_KEY;index++){
+FfT)8@W if(hCallWnd[index]==NULL)
\_Nr7sc\ continue;
peCmb)>Sa if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
<H<5E'm SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
kT&-:: ^R //lParam的意义可看MSDN中WM_KEYDOWN部分
,24NMv7 }
zlF*F8>m }
L$=@j_V2 }
]( V+ qj return CallNextHookEx( hHook, nCode, wParam, lParam );
[ R+zzl&Zw }
r(y1^S9!8 !rZO~a0 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:
|R8=yO%( (~:k70V5 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
*%l&'+ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
zpV@{%VSj 9I0/KuZd
O 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:
:y==O4 ]sjYxe LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
=2] .G Gg {
dB+x,+%u+ if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
?VrZM {
r5jiB L~ //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
>!s=f SaveBmp();
$/90('D return FALSE;
f#_ XR }
kT@RA} …… //其它处理及默认处理
,DK |jf }
;ZHKTOoK /=w9bUj5v 9_h3<3e 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
5!$m3j_,]? O{ zY(`[ 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。
C7[ge& jCDZ$W89 二、编程步骤
MH[Zw$ C9E l {f 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";
)A:2y + %y)5:] 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
et(/` -}`ES] 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;
rUEoz |e4a @qmONQ eb 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;
TU&6\]yF_ S8*VjG?T\ 5、 添加代码,编译运行程序。
lTJ1]7) o90SXa&l/ 三、程序代码
Qj5~ lX`W }ddwL ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
W6ZXb_X #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
[SgWUP* #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
#qXE[% #if _MSC_VER > 1000
4r;!b;3 #pragma once
}M'h5x #endif // _MSC_VER > 1000
q$z#+2u #ifndef __AFXWIN_H__
#gq4%; #error include 'stdafx.h' before including this file for PCH
RBIf6oxdE #endif
#u~s,F$De #include "resource.h" // main symbols
=]&?(Gq class CHookApp : public CWinApp
LI_>fuv"8 {
^'.=&@i- public:
K-IXAdx CHookApp();
NsJt=~ // Overrides
hYMIe]kJ // ClassWizard generated virtual function overrides
;<`F[V
Zau //{{AFX_VIRTUAL(CHookApp)
?P@fV'Jo public:
ztf
VXmi' virtual BOOL InitInstance();
^ j;HYs_ virtual int ExitInstance();
XIh2Y\33ys //}}AFX_VIRTUAL
vn|u&}h //{{AFX_MSG(CHookApp)
OLUQjvnU // NOTE - the ClassWizard will add and remove member functions here.
,oX48Wg_+ // DO NOT EDIT what you see in these blocks of generated code !
4b=hFwr[? //}}AFX_MSG
CZRrb 84 DECLARE_MESSAGE_MAP()
x7K };
cE>K:3n LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
^
AxU BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
\bYuAE1q BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
e`zEsLs@ BOOL InitHotkey();
3dfG_a61y BOOL UnInit();
-Bbg'=QZa #endif
t5mI)u vK6YU9W~J //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
t1?e$s #include "stdafx.h"
r7Bv?M^! #include "hook.h"
|7]7~ 6l #include <windowsx.h>
'$pT:4EuGq #ifdef _DEBUG
J_YbeZ] #define new DEBUG_NEW
In^MZ)? #undef THIS_FILE
Vd3'dq8/? static char THIS_FILE[] = __FILE__;
F+PIZ% #endif
Dww]D|M #define MAX_KEY 100
*@o@> #define CTRLBIT 0x04
9C}Ie$\ #define ALTBIT 0x02
n={}=' #define SHIFTBIT 0x01
Q:eIq<erY #pragma data_seg("shareddata")
Mf7Q+_! HHOOK hHook =NULL;
_6" vPN UINT nHookCount =0;
$'e;ScH static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
r_p9YS@I static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
|0FRKD] static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
Z
l.}= static int KeyCount =0;
;'l Hw]}O* static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
\eF5* {9 #pragma data_seg()
L,!?'.*/] HINSTANCE hins;
mj5$ 2J void VerifyWindow();
H|;6K`O_ BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
`GOxFDB. //{{AFX_MSG_MAP(CHookApp)
=2uE\6Fl, // NOTE - the ClassWizard will add and remove mapping macros here.
"Pi\I9M3 // DO NOT EDIT what you see in these blocks of generated code!
{dvrj<? //}}AFX_MSG_MAP
}MP2)6 END_MESSAGE_MAP()
W7.O(s,32 l=D E|: CHookApp::CHookApp()
+#8?y
5~q {
w,TyV%b[_ // TODO: add construction code here,
o^dt#
& // Place all significant initialization in InitInstance
b9ysxuUdS }
N[X%tf\L]F RrKAgw CHookApp theApp;
HX\@Qws LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
.O @bX) {
IIeEe7%# BOOL bProcessed=FALSE;
k$:QpTg[ if(HC_ACTION==nCode)
zk5sAHQ {
;y<)RM if((lParam&0xc0000000)==0xc0000000){// Key up
GDw4=0u- switch(wParam)
lz\{ X {
udtsq"U_% case VK_MENU:
&RRggPx"k MaskBits&=~ALTBIT;
'KpCPOhfR break;
z:9 case VK_CONTROL:
}Bw=2 ~ MaskBits&=~CTRLBIT;
Tj*o [2mD break;
"F>-W\% case VK_SHIFT:
AKx\U?ei7 MaskBits&=~SHIFTBIT;
&=fBqod break;
S;NChu?8
default: //judge the key and send message
&=|W95 break;
Dn$zwksSs }
QnZR for(int index=0;index<MAX_KEY;index++){
mmY~V:,Kd if(hCallWnd[index]==NULL)
J x-^WB continue;
]]o7ej if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
#[sC H {
O8SX#,3^} SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
8"wA8l. bProcessed=TRUE;
3Zsqx=w }
tnqW!F~ }
/r@P\_ }
\|R`wFn^P else if((lParam&0xc000ffff)==1){ //Key down
QC~B8 ] switch(wParam)
SynxMUlA {
l1jS2O( case VK_MENU:
X X{:$f+ MaskBits|=ALTBIT;
2t1 WbP1 break;
l*_b)&CH case VK_CONTROL:
IaE};8a8 MaskBits|=CTRLBIT;
OW)8Z60 break;
aO
"JT case VK_SHIFT:
6BW-AZc MaskBits|=SHIFTBIT;
8v1asFxs. break;
6#N1 -@ default: //judge the key and send message
\ :})R{ break;
*bn9j>|iv }
A42At] for(int index=0;index<MAX_KEY;index++)
\_@u"+,$W {
&IT'%*Y:V if(hCallWnd[index]==NULL)
S7aS Ut! continue;
$f1L<euH if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
DetBZ. {
a&L8W4 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
""Drf=] bProcessed=TRUE;
1>a^Q }
tl ;?/ }
rZGbU&ZM8 }
cWFvYF if(!bProcessed){
(4ow0}1 for(int index=0;index<MAX_KEY;index++){
G2a fHL< if(hCallWnd[index]==NULL)
Iay7Fkv continue;
,-] JCcH if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
./#K@V1 SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
Y+/ofk" }
v8*ZwF }
~l6e&J }
,wO5IaV return CallNextHookEx( hHook, nCode, wParam, lParam );
-rH4/Iby }
<py~(q 2yq.<Wz< BOOL InitHotkey()
ui9gt"qS` {
+6gS] if(hHook!=NULL){
b@1QE nHookCount++;
7azxqa5: return TRUE;
2#/ KS^ }
]Wd{4(b else
42z9N\ f hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
?N11R?8 if(hHook!=NULL)
A*E4hop[ nHookCount++;
,z%F="@b9 return (hHook!=NULL);
Crpkq/ M }
::TUSz2/2 BOOL UnInit()
bL0+v@(r {
DMf^>{[ if(nHookCount>1){
d_5h6Cz4 nHookCount--;
~d{E>J77j return TRUE;
! \awT }
t"0~2R6i BOOL unhooked = UnhookWindowsHookEx(hHook);
a$aI% if(unhooked==TRUE){
SI;G|uO;/ nHookCount=0;
uT-WQ/id hHook=NULL;
lq.0?( }
pQVi&( M return unhooked;
WM@uxe, }
<wE2ly&x Jr''S}@|x BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
~MhPzu&B {
l}O`cC BOOL bAdded=FALSE;
D^&! for(int index=0;index<MAX_KEY;index++){
(n`\ b47 if(hCallWnd[index]==0){
[dzb{M6_ hCallWnd[index]=hWnd;
l^Lg"m2 HotKey[index]=cKey;
S0yPg9v HotKeyMask[index]=cMask;
<K97eAcW bAdded=TRUE;
uO^{+=;A= KeyCount++;
_K;rM7 break;
pp{); }
uWfse19 }
T|{BT!
W1E return bAdded;
fptW#_V2 }
qp{NRNkQ J,~)9Kh$ BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
n]o+KT\ {
sztnRX_ BOOL bRemoved=FALSE;
hCo&SRC/5 for(int index=0;index<MAX_KEY;index++){
u!@P,,NY if(hCallWnd[index]==hWnd){
4\$Ze0tv if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
't|F}@HP hCallWnd[index]=NULL;
/=3g-$o{` HotKey[index]=0;
}40/GWp<f HotKeyMask[index]=0;
NFa
; bRemoved=TRUE;
QyN~Crwo KeyCount--;
.(Pe1pe break;
pDKJLa }
c:$:j,i} }
2;&13%@! }
Zq`bd55~ return bRemoved;
q%y_<Fw#E }
O%)9tFT 57j:Lw~
void VerifyWindow()
ke4q$pD {
DQ9s57VxC! for(int i=0;i<MAX_KEY;i++){
f,-|"_5; if(hCallWnd
!=NULL){ EjF}yuq[
if(!IsWindow(hCallWnd)){ XWvs~Xw@
hCallWnd=NULL; Ey n3Vv?v
HotKey=0; ^twv0>vEo
HotKeyMask=0; UMX+h])#N
KeyCount--; '~f@p~P
} o|}%pc3
} y$&a(S]
} QP;b\11m
} XnY}dsSO
w|Mj8Lc+
BOOL CHookApp::InitInstance() jK=*~I
{ g:6yvEu$ -
AFX_MANAGE_STATE(AfxGetStaticModuleState()); = ;a4
Dp
hins=AfxGetInstanceHandle(); Pz)QOrrG~
InitHotkey(); @uE=)mP@
return CWinApp::InitInstance(); N4v)0
} X @Bpjg
UxvsSHi
int CHookApp::ExitInstance() c@^:tB
{ 2at?9{b
VerifyWindow(); b
mm@oi
UnInit(); :^s7#4%6
return CWinApp::ExitInstance(); 9j2I6lGQ
} 0B4(t6o
z\h+6FCD
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file rO`g~>-
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) bsP;
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ F^NR qE
#if _MSC_VER > 1000 pzax~Vp
#pragma once tZYI{m{
#endif // _MSC_VER > 1000 nMa^Eq#
r:5Ve&~
class CCaptureDlg : public CDialog u`'z~N4}
{ }H#t( 9,U
// Construction #rpqt{ml
public: eq+o_R}CS
BOOL bTray; }J?fJ(
BOOL bRegistered; I:_*8el&d
BOOL RegisterHotkey(); {^kG<v.vV
UCHAR cKey; QO7:iSZJ
UCHAR cMask; by
U\I5
void DeleteIcon(); iXm||?Rnx
void AddIcon(); ^0|NmMJ]
UINT nCount; -h@0 1
void SaveBmp(); ;
BZM~'
CCaptureDlg(CWnd* pParent = NULL); // standard constructor QP[a^5;Tt
// Dialog Data a!:8`X~[/$
//{{AFX_DATA(CCaptureDlg) uT/B}`md
enum { IDD = IDD_CAPTURE_DIALOG }; n2{{S(N
CComboBox m_Key; UBi4 itGD
BOOL m_bControl; 6{$dFwl
BOOL m_bAlt; |{PJT#W%
BOOL m_bShift; --twkD
CString m_Path; E.`dk.
CString m_Number; .G_3blE;
//}}AFX_DATA 7Hl_[n|
// ClassWizard generated virtual function overrides dT)KvqX
//{{AFX_VIRTUAL(CCaptureDlg) V0Z7o\-J
public: )6Q0f
virtual BOOL PreTranslateMessage(MSG* pMsg); 7F(F.ut
protected: :dguQ|e
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support 6eT'[Umx
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); eqZ+no
//}}AFX_VIRTUAL !Gp3/<"Wy$
// Implementation pfZ,t<bE2
protected: GD[ou.C}k
HICON m_hIcon; +z=%89GJ
// Generated message map functions mp,e9Nd;
//{{AFX_MSG(CCaptureDlg) `SjD/vNE
virtual BOOL OnInitDialog(); BO4 K#H7
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); cvUut^CdK
afx_msg void OnPaint(); e?| URW
afx_msg HCURSOR OnQueryDragIcon(); >_`D3@Rz
virtual void OnCancel(); nh eU~jb
afx_msg void OnAbout(); P$3=i`X!nw
afx_msg void OnBrowse(); %md^S
|
afx_msg void OnChange(); =kb6xmB^t
//}}AFX_MSG Q*:h/Lhb&
DECLARE_MESSAGE_MAP() 6%kJDY.
}; S&3X~jD(1
#endif %XI"<Y\yL
+lW}ixt
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file 8pPC 9ew\=
#include "stdafx.h" FKox0Jmh=
#include "Capture.h" #$=8g
RZj
#include "CaptureDlg.h" H=&/ Q
#include <windowsx.h> WBr:|F+~s
#pragma comment(lib,"hook.lib") 4Oy.,MDQP
#ifdef _DEBUG nU&NopD+*G
#define new DEBUG_NEW b6nZ55 h
#undef THIS_FILE $>r>0S#+\&
static char THIS_FILE[] = __FILE__; S\9t4Ki_'
#endif @0z0m;8
#define IDM_SHELL WM_USER+1 #P%1{l5m
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); 1BMB?I
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); JOrELrMx
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; 5@czK*5
class CAboutDlg : public CDialog )@]6=*%
{ ])V2}gH
public: *:\:5*SY
CAboutDlg(); %o@['9U[j
// Dialog Data 2f19W#
'0
//{{AFX_DATA(CAboutDlg) Z'Exw-ca
enum { IDD = IDD_ABOUTBOX }; ACigeK^C}E
//}}AFX_DATA d&|z=%9xl
// ClassWizard generated virtual function overrides 9zZ5Lr^21
//{{AFX_VIRTUAL(CAboutDlg) 8QVE_ Eu
protected: StU 4{
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support mDQEXMD
//}}AFX_VIRTUAL rGnI( m.
// Implementation U~:N^Sc
protected: U!&_mD#
c
//{{AFX_MSG(CAboutDlg) UzgA26;
//}}AFX_MSG v/R[?H)
DECLARE_MESSAGE_MAP() b0@>xT
}; b4Z`y8=
R"U/RS
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) c62dorDqy
{ d>%gW*
//{{AFX_DATA_INIT(CAboutDlg) oX'0o 'c
//}}AFX_DATA_INIT p)B33ZzC
} 7/H^<%;y
,VNi_.W0
void CAboutDlg::DoDataExchange(CDataExchange* pDX) L*g.
6+2
{ #l*a~^dhqC
CDialog::DoDataExchange(pDX); T'ED$}N>~
//{{AFX_DATA_MAP(CAboutDlg) _wf5%(~b
//}}AFX_DATA_MAP {=UFk-$=
} sm 's-gD
6'xomRpYN
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) B7!<{i
//{{AFX_MSG_MAP(CAboutDlg) b4>``n
// No message handlers -S"5{ N73
//}}AFX_MSG_MAP n*4lz^LR
END_MESSAGE_MAP() oZTgN .q
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) <9P4}`%)3
: CDialog(CCaptureDlg::IDD, pParent) 'X7%35Y
{ >i
"qMZ
//{{AFX_DATA_INIT(CCaptureDlg) #6Jc}g<?g
m_bControl = FALSE; 9G0D3F
m_bAlt = FALSE; fUC9-?(K
m_bShift = FALSE; L0rip5[;d
m_Path = _T("c:\\"); ;{vwBDV!'
m_Number = _T("0 picture captured."); lT 8#bA
nCount=0; eR:b=%T8
bRegistered=FALSE; opsQn\4DZ?
bTray=FALSE; aaDP9FW9e
//}}AFX_DATA_INIT )Im3'0l>
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 9\HR60V
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); sI_7U^"[
} eGm:)
]' Y|Nl
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) !p9)CjQ "
{ yuOS&+,P
CDialog::DoDataExchange(pDX); +nZUL*Ut/
//{{AFX_DATA_MAP(CCaptureDlg) xwRhs!`t1
DDX_Control(pDX, IDC_KEY, m_Key); 5W/{h q8}}
DDX_Check(pDX, IDC_CONTROL, m_bControl); -LtK8wl^
DDX_Check(pDX, IDC_ALT, m_bAlt); m9in1RI%
DDX_Check(pDX, IDC_SHIFT, m_bShift); <5S@ORN
DDX_Text(pDX, IDC_PATH, m_Path); k<a;[_S
DDX_Text(pDX, IDC_NUMBER, m_Number); .evbE O 5
//}}AFX_DATA_MAP Ck\7F?S
} RK[D_SmS
F^QQ0h]2
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) {~SaRB2<'
//{{AFX_MSG_MAP(CCaptureDlg) E<>*(x/\e
ON_WM_SYSCOMMAND() A{# Nwd>
ON_WM_PAINT() ! QM.P
t7c
ON_WM_QUERYDRAGICON() j~;;l!({i
ON_BN_CLICKED(ID_ABOUT, OnAbout) H~noJIw#
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) OS-sk!
ON_BN_CLICKED(ID_CHANGE, OnChange) ^W~p..DF
//}}AFX_MSG_MAP &(EHq
END_MESSAGE_MAP() j[I`\"
b_TS<,
BOOL CCaptureDlg::OnInitDialog() )p<WDiX1!e
{ y<pnp?x4
CDialog::OnInitDialog(); c.AYxI"
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ~vHk&r]|
ASSERT(IDM_ABOUTBOX < 0xF000); F.tfgW(A@
CMenu* pSysMenu = GetSystemMenu(FALSE); As~(7?]r
if (pSysMenu != NULL) w~z[wm Okp
{ #2RiLht
CString strAboutMenu; /kgeV4]zR
strAboutMenu.LoadString(IDS_ABOUTBOX); !gF9k8\Yr$
if (!strAboutMenu.IsEmpty()) :4:N f
{
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pSysMenu->AppendMenu(MF_SEPARATOR); qFco3
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); LCs__.
} [U>@,BH
} .Obn&S
SetIcon(m_hIcon, TRUE); // Set big icon !M7<BD};
SetIcon(m_hIcon, FALSE); // Set small icon \\,f{?w
m_Key.SetCurSel(0); n`ViTwd]MQ
RegisterHotkey(); :IMdN}(L
CMenu* pMenu=GetSystemMenu(FALSE); 1|{bDlmt
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); "5C`,4s
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); Yw'NX5#)g
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); ).5RPAP
return TRUE; // return TRUE unless you set the focus to a control D f4+^B,1
} 5!I4l1
Q8D&tJg
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) 8'Z:ydj^,
{ Ej=3/RBsV
if ((nID & 0xFFF0) == IDM_ABOUTBOX) Tlq-m2]
{ 'm3t|:nMU
CAboutDlg dlgAbout; mj&57D\fq
dlgAbout.DoModal(); 0p(L'
} ,HB2hHD
else ]5Qy
{ ,1oQ cC
CDialog::OnSysCommand(nID, lParam); slu(SmQ
} 0*;O?T
} E<E3&;qD
qJPT%r
void CCaptureDlg::OnPaint() YO+{,$
{ c$:1:B9\
if (IsIconic()) 0nJE/JZ
{ 7y^%7U \
CPaintDC dc(this); // device context for painting 0Yl4eB-
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); +k\Uf*wh
// Center icon in client rectangle &<y2q/U}
int cxIcon = GetSystemMetrics(SM_CXICON); fX~'Zk\u
int cyIcon = GetSystemMetrics(SM_CYICON); -d+aV1n
CRect rect; q%(EYM5Y
GetClientRect(&rect); dY7'OAUyVl
int x = (rect.Width() - cxIcon + 1) / 2; "{D6J809
int y = (rect.Height() - cyIcon + 1) / 2; JL=U,Mr6
// Draw the icon H
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dc.DrawIcon(x, y, m_hIcon); lg:
} t?c}L7ht
else Rk6deI]
{ ({s6eqMhDd
CDialog::OnPaint(); S4UM|`
} t5B7I59
} g{IF_ 1
NVKC'==0
HCURSOR CCaptureDlg::OnQueryDragIcon() /E;y,o75
{ d}'U?6ob
return (HCURSOR) m_hIcon;
h `}}
} *&BnF\?m
V7d)S&*V
void CCaptureDlg::OnCancel() *NFg;<:j
{ O7d$YB_'
if(bTray) 7hP<f}xL
DeleteIcon(); t.T
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CDialog::OnCancel(); H}hFFI)#Oo
} :bu>],d-8'
&;yH@@Z
void CCaptureDlg::OnAbout() r;BT,jiX
{ +mj*o(
CAboutDlg dlg; te|?)j
dlg.DoModal(); }jH7iyjD
} /1N6X.Zb
uvDzKMw~R
void CCaptureDlg::OnBrowse() &QRE"_g
{ Q;11N7+
CString str; c'uhK8|
BROWSEINFO bi; sUZX
}
char name[MAX_PATH]; [^CV>RuO
ZeroMemory(&bi,sizeof(BROWSEINFO)); [.se|]t7X
bi.hwndOwner=GetSafeHwnd(); Od+6 -J
bi.pszDisplayName=name; }%b;vzkG5
bi.lpszTitle="Select folder"; 7SD Fz}
bi.ulFlags=BIF_RETURNONLYFSDIRS; &