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:
Va Z+TE
FV^CSaN[R 一、实现方法
;`g\T u Pi::cf>3 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:
Yu=4j9e_mG vfzGRr #pragma data_seg("shareddata")
>R3~P~@30 HHOOK hHook =NULL; //钩子句柄
_H^Ij UINT nHookCount =0; //挂接的程序数目
x-+[gNc
6 static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
vFY/o,b \ static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
pW O-YZ#+ static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
D4'"GaCv static int KeyCount =0;
mtuq static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
8,2l >S #pragma data_seg()
m3XL;1y:a B#o(21s 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。
Dr6"~5~9w V[,/Hw~d% 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:
WpC@nz? yAtM|:qq BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
"lLt=s2>L cKey,UCHAR cMask)
zNRoFz. {
(u85$_C BOOL bAdded=FALSE;
K1uN(T.Ju for(int index=0;index<MAX_KEY;index++){
6,M>' s,N if(hCallWnd[index]==0){
w_G/[R3 hCallWnd[index]=hWnd;
,$5; HotKey[index]=cKey;
nS[0g^} HotKeyMask[index]=cMask;
ZmO/6_nU? bAdded=TRUE;
?6Cbx6 KeyCount++;
uoFH{.) break;
wE3^6 }
ba|x?kz }
)/2* <jr return bAdded;
jo=XxA }
AC ,$(E //删除热键
4?M=?K0 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
O;
EI& {
94I8~Jj4 BOOL bRemoved=FALSE;
//KTEAYyy# for(int index=0;index<MAX_KEY;index++){
!.iu_xJ if(hCallWnd[index]==hWnd){
N'Va&"&73> if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
_6THyj$f hCallWnd[index]=NULL;
`m<l8'g HotKey[index]=0;
Cca(
oV HotKeyMask[index]=0;
N J:]jd bRemoved=TRUE;
{>OuxVl??k KeyCount--;
7M}T^LC break;
i\2MphS }
U
jVo "K }
aW %ulZ }
l0Jpf9Aue return bRemoved;
NFY,$ }
(Z.K3 K]zBPfx ^mFuZ~g;? DLL中的钩子函数如下:
NAV}q<@v ?PiJ7| LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
J/w?Fa< {
a}#[mw@m= BOOL bProcessed=FALSE;
<VB if(HC_ACTION==nCode)
KJ,{w?p~
) {
<;#d*&] if((lParam&0xc0000000)==0xc0000000){// 有键松开
$y\'j5nk3 switch(wParam)
J5k\R+\H {
>!E:$;i@ case VK_MENU:
/7|u2!#Ui MaskBits&=~ALTBIT;
KQ?E]}rZ break;
)=9\6zXS case VK_CONTROL:
IkH]W!_+ MaskBits&=~CTRLBIT;
kJy<vb~
break;
/YHBhoat case VK_SHIFT:
4 *He<2g MaskBits&=~SHIFTBIT;
Wf13Ab break;
=Xm
[ default: //judge the key and send message
9g>]m6 break;
xZtA) Bp }
6VolTy@(x for(int index=0;index<MAX_KEY;index++){
cg7NtY if(hCallWnd[index]==NULL)
Z4}Yw{=f continue;
$rs7D}VNc if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
|^Try2@ {
t ?28s/? SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
u%5B_<90V bProcessed=TRUE;
^w^cYM, }
eL^,-3JA(] }
?ZdHuuDN~ }
Xo(K*eIN else if((lParam&0xc000ffff)==1){ //有键按下
KmZUDU%R switch(wParam)
nfy"M),et {
y_qFXd case VK_MENU:
x_v pds MaskBits|=ALTBIT;
vb9G_Pfz break;
qOZe\<.V< case VK_CONTROL:
3RscuD& MaskBits|=CTRLBIT;
0Z2![n break;
^ft_1 d[ case VK_SHIFT:
mY(~94{d MaskBits|=SHIFTBIT;
Niou=PI@ break;
{qx}f^WV default: //judge the key and send message
+H/^RvUjF break;
0%k`*8 }
n1DD+@ for(int index=0;index<MAX_KEY;index++){
e_g7E+6 if(hCallWnd[index]==NULL)
:uZcN continue;
h:"<x$F if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
5Tb93Q@c {
O9=vz% SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
VZb0x)w bProcessed=TRUE;
m$*dPje }
B2
Tp;) }
P
et0yH }
G~8C7$0z if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
Pf]6'?kQ for(int index=0;index<MAX_KEY;index++){
@4T+0&OI10 if(hCallWnd[index]==NULL)
h/V0}|b continue;
6Ei>VcN4a if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
4B-v\3Ff SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
tE9%;8;H //lParam的意义可看MSDN中WM_KEYDOWN部分
syv6" 2Z'B }
Xko[Z;4v8' }
K)sO }
wB?;3lTS return CallNextHookEx( hHook, nCode, wParam, lParam );
7od!:<v/ }
{#zJx(2yG C \H%4p1r 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
fE|([` ! M!,$i BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
PD:"
SfV,G BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
L 2Os\ Ue^upx 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:
5bH@R@3 m B<H5WI LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
.B"h6WMz {
].
IUQ*4t if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
(VWTYG7 {
U:#9!J?41 //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
mUm9[X~' SaveBmp();
@;G}bYq^(I return FALSE;
Tr(w~et }
3E+u)f lmB …… //其它处理及默认处理
:p=IZY }
PE]jYyyHtU V!DQ_T+a (YGJw?] 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。
FlrLXTx0 X@\rg}kP 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。
x!tCK47Yq [wjA8d. 二、编程步骤
L@ql)Lc); H--(zxK 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";
,-vbR& RoJ{
ou@cs 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
&`Z>z T}
w6qx 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;
rKg5?. <Ktx*(D 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;
R3jhq3F\Y wx>BNlT@? 5、 添加代码,编译运行程序。
5WP)na6" \6T&gX 三、程序代码
H8mmmt6g J3oH^ ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
u0A.I_ #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
TC<_I0jCh #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
y7u"a)T #if _MSC_VER > 1000
=BMON{K #pragma once
]pzf{8% #endif // _MSC_VER > 1000
f]qPxRw #ifndef __AFXWIN_H__
{3i.U028] #error include 'stdafx.h' before including this file for PCH
0AZ Vc #endif
ido'<;4> #include "resource.h" // main symbols
?N~rms
e class CHookApp : public CWinApp
~Ub'5M {
~N;kF.q&>& public:
y['$^T?oP CHookApp();
{uM*.] // Overrides
jri=UGf // ClassWizard generated virtual function overrides
gH,^XZe //{{AFX_VIRTUAL(CHookApp)
P@`@?kMU public:
kbN2dL virtual BOOL InitInstance();
,@;", virtual int ExitInstance();
N41)?-7F //}}AFX_VIRTUAL
o3#qp>R //{{AFX_MSG(CHookApp)
:3gtc/p t> // NOTE - the ClassWizard will add and remove member functions here.
2>Xgo% // DO NOT EDIT what you see in these blocks of generated code !
*_}ft-*w //}}AFX_MSG
Ovq-rI{ DECLARE_MESSAGE_MAP()
A%-*M 'J };
z|Q)^ LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
}G]6Rip3 BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
#e}Q|pF BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
$>hPB[ [ BOOL InitHotkey();
`k+ci7; BOOL UnInit();
`1=n H/E #endif
H!y1& _rdEur C6 //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
FMc$?mm #include "stdafx.h"
^a0{"|Lq #include "hook.h"
}u5/ #include <windowsx.h>
hbl:~O&a/ #ifdef _DEBUG
H{x'I@+ #define new DEBUG_NEW
% r`hW\4{ #undef THIS_FILE
TTZb. static char THIS_FILE[] = __FILE__;
C*a>B,H #endif
]u?|3y^( #define MAX_KEY 100
_/;vsQB #define CTRLBIT 0x04
ve49m%NQ #define ALTBIT 0x02
bJ4} )P& #define SHIFTBIT 0x01
*P7 H=Yf& #pragma data_seg("shareddata")
7?9QlUO HHOOK hHook =NULL;
!i,Eo-[Z UINT nHookCount =0;
vO`~rUA static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
93Kd7x-3 static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
><V<}&:y$( static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
$M5iU@A static int KeyCount =0;
M+j V`J! static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
V^;2u #pragma data_seg()
2Nrb}LH HINSTANCE hins;
/H/@7> void VerifyWindow();
4W5[1GE. BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
84j6.\, //{{AFX_MSG_MAP(CHookApp)
pX8TzmIB0 // NOTE - the ClassWizard will add and remove mapping macros here.
H*51GxK // DO NOT EDIT what you see in these blocks of generated code!
HL]8E}e\" //}}AFX_MSG_MAP
aZn]8jC% END_MESSAGE_MAP()
K~$A2b95 hfE5[ CHookApp::CHookApp()
RL4J{4K {
{e~#6.$: // TODO: add construction code here,
$REz{xgA= // Place all significant initialization in InitInstance
^SM>bJ1Z_ }
Y)H~*-vGu H(Pzo+k* CHookApp theApp;
`fMdO LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
fUx;_GX?
{
T&+*dyNxMK BOOL bProcessed=FALSE;
PvF3a`&r if(HC_ACTION==nCode)
!k@(}CN_* {
GVR/p if((lParam&0xc0000000)==0xc0000000){// Key up
3V=wW{;x switch(wParam)
>!sxX = < {
h*d1G9%Q1 case VK_MENU:
KG<. s< MaskBits&=~ALTBIT;
=hFIH\x break;
uE] HU case VK_CONTROL:
2>TOCBB" MaskBits&=~CTRLBIT;
3N c#6VI break;
"`g5iUHqUl case VK_SHIFT:
g]&7c:/ MaskBits&=~SHIFTBIT;
1i3;P/ break;
v+d}
_rCT default: //judge the key and send message
a;bmZh break;
ZDny=&># }
K93L-K^J for(int index=0;index<MAX_KEY;index++){
%4' <0 if(hCallWnd[index]==NULL)
eFKF9m continue;
;$,b
w5 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
n=Ze p{^ {
JOwm|%>3a SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
D[/h7Ha bProcessed=TRUE;
M5 \flE2 }
C- 5QhD }
!=Scpo_ }
Qe4O N3X! else if((lParam&0xc000ffff)==1){ //Key down
Rax]svc switch(wParam)
{z#!3a {
Q~k5 }n8 case VK_MENU:
BK 3oNDy MaskBits|=ALTBIT;
.w,$ TezGP break;
w3Lr~_j case VK_CONTROL:
{,aX|*1Ku~ MaskBits|=CTRLBIT;
~(*2:9*0 break;
\MqOHM.[ case VK_SHIFT:
Jlp nR#@ MaskBits|=SHIFTBIT;
Sf*1Z~P| break;
V#X#rDfJZ default: //judge the key and send message
Ua hsX break;
;n,xu0/ }
mqj]=Fq* for(int index=0;index<MAX_KEY;index++)
B SH2Kq {
*T6*Nxs0k if(hCallWnd[index]==NULL)
+~(SeTY continue;
KE[!{O^(a if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
C&|K7Zp0v {
jYUN: SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
L:j3 bProcessed=TRUE;
d!{]CZ"@ }
%(&$CmS@ }
CKI.\o }
\)$: if(!bProcessed){
=j~BAS*" for(int index=0;index<MAX_KEY;index++){
5(5:5q.A/D if(hCallWnd[index]==NULL)
2nf<RE> continue;
IJ]rVty if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
rMWJ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
.Ht;xq }
}#r awVe= }
^XX_ qC'1 }
:%_\!FvS return CallNextHookEx( hHook, nCode, wParam, lParam );
Gsn$r(m{K }
p<[MU4 ) >te|@}o BOOL InitHotkey()
j)ME%17 {
JR_%v=n~x if(hHook!=NULL){
!mZDukfjQ nHookCount++;
J6J"> return TRUE;
?wP/l }
]!q>@b else
}7*|s+F(f hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
'B:8tv if(hHook!=NULL)
)x+P9| nHookCount++;
o_8Wnx^ return (hHook!=NULL);
av&~A+b.r }
v-Tkp
Yn BOOL UnInit()
j(A>M_f; {
3{)!T;W d
if(nHookCount>1){
?;VsA>PV nHookCount--;
+=:_a$98 return TRUE;
`>0%Ha }
577#A, O BOOL unhooked = UnhookWindowsHookEx(hHook);
3n,jrX75u if(unhooked==TRUE){
cO$xT;kK nHookCount=0;
|k$6"dXSO hHook=NULL;
5^D094J|^ }
)SZzA' return unhooked;
WeJ=]7T'L }
IwXWtVL > ^=n|% BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
~R&rQJJeJ {
[tT_ z<e` BOOL bAdded=FALSE;
yh2)Pc[ for(int index=0;index<MAX_KEY;index++){
S B~opN if(hCallWnd[index]==0){
-Uan.#~S hCallWnd[index]=hWnd;
!2kM HotKey[index]=cKey;
%QG3~b%
h HotKeyMask[index]=cMask;
uK]-m bAdded=TRUE;
5dGfO:Dy_ KeyCount++;
IL g o:xQ break;
#{*5rKiL }
5,-g^o7 }
)DmydyQ' return bAdded;
}uNj#Uf }
mqHcD8X !Q WNHL BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
7t+d+sQ-l {
mPU}]1*p BOOL bRemoved=FALSE;
Zs(BViTb| for(int index=0;index<MAX_KEY;index++){
IsmZEVuC if(hCallWnd[index]==hWnd){
NE.h/+4 if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
v%$l( hCallWnd[index]=NULL;
OK)>QGl HotKey[index]=0;
wz1nV} HotKeyMask[index]=0;
-oUGmV_ bRemoved=TRUE;
E
mg=, KeyCount--;
tm/=Oc1p break;
,4S[<(T" }
t>Ye*eR*`U }
?N<,;~ }
4[i 3ckFT, return bRemoved;
XD?Lu
_. }
BTD_j&+( EnGh&] void VerifyWindow()
&\I<j\F2/ {
m.rV1#AI for(int i=0;i<MAX_KEY;i++){
i}:hmy' if(hCallWnd
!=NULL){ Q7<Y5+
if(!IsWindow(hCallWnd)){ oi]XSh[_s
hCallWnd=NULL; mKjTJzS
HotKey=0; O&MH5^I
HotKeyMask=0; ;O1jf4y
KeyCount--;
LofpBO6^
} b}fC'
h
} BYu(a
} /lbj!\~
} W/\pqH
)H @<A93
BOOL CHookApp::InitInstance() <jh7G
{ -.r"|\1X
AFX_MANAGE_STATE(AfxGetStaticModuleState()); TFG?
EO
hins=AfxGetInstanceHandle(); :8(jhs
InitHotkey(); 8!0fT}
return CWinApp::InitInstance(); 1 $1>cuu
}
&a4FGzR#
sBYDo{01
int CHookApp::ExitInstance() (V&8
WN
{ ysZ(*K
n(?
VerifyWindow(); '%4fQ%ID}
UnInit(); K>vl o/#!
return CWinApp::ExitInstance(); )sW!s3>S>
} Lc?"4
pdm(7^
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file ,}\LC;31,
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) ^SsdM#E
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ U#[T!E
#if _MSC_VER > 1000 ?FNgJx*\S
#pragma once Vpp$yM&?
#endif // _MSC_VER > 1000 dH.Fb/7f
G62;p#
class CCaptureDlg : public CDialog >?OUs>}3y2
{ T u%XhXl:j
// Construction n_4.`vs
public: Uj\t04
BOOL bTray; M*bsA/Z
BOOL bRegistered; Y-Q)sv
BOOL RegisterHotkey(); ]Tb?z&
UCHAR cKey; xI<B)6D;f
UCHAR cMask; &OZx!G^Z
void DeleteIcon(); :-#7j}
R&
void AddIcon(); T59FRX
UINT nCount; nTc#I~\
void SaveBmp(); Ky7.&6\n
CCaptureDlg(CWnd* pParent = NULL); // standard constructor Q|P
M6ta
// Dialog Data %,1TAmJfHa
//{{AFX_DATA(CCaptureDlg) PYC
enum { IDD = IDD_CAPTURE_DIALOG }; )Nx*T9!Q
CComboBox m_Key; "!(@MfjT
BOOL m_bControl; n|? sNM<J3
BOOL m_bAlt; OM^`P
BOOL m_bShift; =$+0p3[r
CString m_Path; wl%ysM|x
CString m_Number; m'
S{P:TK
//}}AFX_DATA %
>a
/m.$
// ClassWizard generated virtual function overrides g33Y$Xdk
//{{AFX_VIRTUAL(CCaptureDlg) Ym"^Ds}
public: I
L7kpH+y
virtual BOOL PreTranslateMessage(MSG* pMsg); Du
+_dr^4
protected: QHja4/
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support WF*j^ %5
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); ?$ov9U_
//}}AFX_VIRTUAL Dq%}({+
// Implementation @`+\vmfD
protected: ^7ID |uMr
HICON m_hIcon; ^!C
// Generated message map functions x^c,cV+*
//{{AFX_MSG(CCaptureDlg) c%O97J.5b
virtual BOOL OnInitDialog(); aCH;l~+U
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); c$)>$&([
afx_msg void OnPaint(); !( +M
afx_msg HCURSOR OnQueryDragIcon(); ]mi\Y"RO
virtual void OnCancel(); cAGM|%
afx_msg void OnAbout(); bf=\ED ^
afx_msg void OnBrowse(); hrD2-S
afx_msg void OnChange(); Xjxa
2D
//}}AFX_MSG !]}C!dXd
DECLARE_MESSAGE_MAP() j@#RfVx
}; t5_76'@cX
#endif Z
ztp %2c
y${`W94
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file -hfkF+=U'
#include "stdafx.h" R\X;`ptT
#include "Capture.h" \2[tM/+Bs
#include "CaptureDlg.h" %-fS:~$
#include <windowsx.h> B5+Q%)52
#pragma comment(lib,"hook.lib") g$mMH
#ifdef _DEBUG *2N0r2t&
#define new DEBUG_NEW "M+I$*]
#undef THIS_FILE \v+c.
static char THIS_FILE[] = __FILE__; )(yaX
#endif *Q?8OwhJ
#define IDM_SHELL WM_USER+1 )Ghw!m
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); {S-M] LE
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); J E5qR2VA
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; Z_dL@\#|
class CAboutDlg : public CDialog K:qc
"Q=C
{ vol (%wB
public: 8kSyT'kC%
CAboutDlg(); ]8OmYU%6V
// Dialog Data h+!R)q8M
//{{AFX_DATA(CAboutDlg) wj0_X;L
enum { IDD = IDD_ABOUTBOX };
LjEMs\P\
//}}AFX_DATA k >.U !
// ClassWizard generated virtual function overrides 6Y6t.j0vN.
//{{AFX_VIRTUAL(CAboutDlg) w;(=wN\
protected: q&3(yhx
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support _*g.U=u
//}}AFX_VIRTUAL Z8/.I
// Implementation ^V9|uHOJoq
protected: 4_CL1g
//{{AFX_MSG(CAboutDlg) =aQlT*n%3
//}}AFX_MSG DWx;cP8[
DECLARE_MESSAGE_MAP() gaNe\
}; 8"NPj0
{/N8[?zML
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) ge%QbU1J
{ 4Ozcs'}
//{{AFX_DATA_INIT(CAboutDlg) DzA'MX
//}}AFX_DATA_INIT htrtiJ1
} eJn_gKWb
K?e16;
void CAboutDlg::DoDataExchange(CDataExchange* pDX) A.7lo
{ e2tru_#
CDialog::DoDataExchange(pDX); ?IS[2 v$
//{{AFX_DATA_MAP(CAboutDlg) +_vf=d
//}}AFX_DATA_MAP =zrfh-lwH
} @c"s6h&
c;(Fz^&_
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) yKK9b
//{{AFX_MSG_MAP(CAboutDlg) @].!}tz
// No message handlers z{PPPFk4J
//}}AFX_MSG_MAP AY"wEyNU
END_MESSAGE_MAP() sUR5Q/Q
FqGMHM\J
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) i4WHjeo\
: CDialog(CCaptureDlg::IDD, pParent) 65U\;Ew
{ khT[
//{{AFX_DATA_INIT(CCaptureDlg) 2*cc26o
m_bControl = FALSE; #u+qV!4
m_bAlt = FALSE; s:_j,/H0A}
m_bShift = FALSE; "Dq^r9
m_Path = _T("c:\\"); VM&Ref4
m_Number = _T("0 picture captured."); Y}q~Km
nCount=0; hMvJNI6O
bRegistered=FALSE; 3m4
sh~
bTray=FALSE; n"}*C|(k
//}}AFX_DATA_INIT bUM4^m
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 5 A5t
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); @e\
@EW
} cD!E.2[
c05-1
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) _*{Lha
{ YwZx{%f
CDialog::DoDataExchange(pDX); 9&Y|,&W
//{{AFX_DATA_MAP(CCaptureDlg)
E;'{qp
DDX_Control(pDX, IDC_KEY, m_Key); *}Gys/\!S
DDX_Check(pDX, IDC_CONTROL, m_bControl); rK}sQ4z=
DDX_Check(pDX, IDC_ALT, m_bAlt); kD1Nq~h2
DDX_Check(pDX, IDC_SHIFT, m_bShift); 1=9GV+`n
DDX_Text(pDX, IDC_PATH, m_Path); )a'`
DDX_Text(pDX, IDC_NUMBER, m_Number); 0"TPY(n
//}}AFX_DATA_MAP 'Ox "YE
} ZFH-srs{
]mNsG0r6
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) Oi$1ma xT
//{{AFX_MSG_MAP(CCaptureDlg) m!^$_d\%~
ON_WM_SYSCOMMAND() =(P$P
ON_WM_PAINT() R^$EnrY(<
ON_WM_QUERYDRAGICON() =b1
y*?
ON_BN_CLICKED(ID_ABOUT, OnAbout) X&rsWk
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) <4@8T7
ON_BN_CLICKED(ID_CHANGE, OnChange) m#O; 1/P
//}}AFX_MSG_MAP (]&B'1b
END_MESSAGE_MAP() "cjD-42
]BRwJ2< x
BOOL CCaptureDlg::OnInitDialog() 8r@GoG>
{ 7Lj:m.0O^
CDialog::OnInitDialog(); n;vZY
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); >o&%via}
ASSERT(IDM_ABOUTBOX < 0xF000); ?8< =.,r
CMenu* pSysMenu = GetSystemMenu(FALSE); I0x;rP
if (pSysMenu != NULL) S5Pn6'w
{ y@2"[fo3~
CString strAboutMenu; %1{O
strAboutMenu.LoadString(IDS_ABOUTBOX); ''! j:49
if (!strAboutMenu.IsEmpty()) q@VIFmqY!
{ nox-)e
pSysMenu->AppendMenu(MF_SEPARATOR); "s_S!;w@
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); <HS{A$]
} =`N 0
} U#w0 E G
SetIcon(m_hIcon, TRUE); // Set big icon ZZ :*c"b:
SetIcon(m_hIcon, FALSE); // Set small icon 0jxXUWO
m_Key.SetCurSel(0); 1;{nU.If
RegisterHotkey(); k
7@:e$7
CMenu* pMenu=GetSystemMenu(FALSE); ~q/~ u
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); Qz2jV
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); jeA2yjAC
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); C{G=Y[?oc
return TRUE; // return TRUE unless you set the focus to a control -{z[.v.p
} =JPY{'V O
on5\rY<I:@
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) 1~2+w]-kU
{ P%vouC0W
if ((nID & 0xFFF0) == IDM_ABOUTBOX) Zn Rj}y
{ KiE'O{Y
CAboutDlg dlgAbout; /M3;~sx
dlgAbout.DoModal(); RX^8`}N
} CO@ kLI
else #(a ;w
{ (6[/7e)
CDialog::OnSysCommand(nID, lParam); l>BM}hS
} OS>%pgv
} v/$<#2|
yOXEP
void CCaptureDlg::OnPaint() \)aFYDq#\
{ R `ob;>[Q
if (IsIconic()) /S^>06{-+
{ ^HTvw~]5
CPaintDC dc(this); // device context for painting |m*l/@1
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); >lek@euqw
// Center icon in client rectangle I)r6*|mz
int cxIcon = GetSystemMetrics(SM_CXICON); e85E+S%
int cyIcon = GetSystemMetrics(SM_CYICON); 9q&~!>lt
CRect rect; gF293Ez
GetClientRect(&rect); :8N
by$#V
int x = (rect.Width() - cxIcon + 1) / 2; V;)+v#4{
int y = (rect.Height() - cyIcon + 1) / 2; vJ 28A
// Draw the icon M9~'dS'XI
dc.DrawIcon(x, y, m_hIcon); f= }!c*l"
} **1=|aa:
else A5%Now;.cf
{ Dd,
&a
CDialog::OnPaint(); XI`s M~'
} Y(T$k9%}+
} rF{,]U9`
auY?Cj'"fs
HCURSOR CCaptureDlg::OnQueryDragIcon() ]1h9:PF
{ |A0U3$S=
return (HCURSOR) m_hIcon; ajkpU.6E:
} d5{RIM|
DM\pi9<m
void CCaptureDlg::OnCancel() ggfCfn
{ c3<H272\
if(bTray) ExL7 ]3r
DeleteIcon(); [IHG9Xg
CDialog::OnCancel(); >*+n`"6
} ~Xr[d07bC
pMAFZfte!x
void CCaptureDlg::OnAbout() >,)U46
{ W+s3rS2
CAboutDlg dlg; o62GEl25
dlg.DoModal(); dww4o~hO
} FS!vnl8`
or7l}X
void CCaptureDlg::OnBrowse() *8u<?~9F
{ a%an={
CString str; 5~#oQ&
BROWSEINFO bi; w-@6qMJ
char name[MAX_PATH]; u,`V%J?vW
ZeroMemory(&bi,sizeof(BROWSEINFO)); J~
*>pp#U
bi.hwndOwner=GetSafeHwnd(); "/taatcH
bi.pszDisplayName=name; IkGM~3e
bi.lpszTitle="Select folder"; 0/%RrE
bi.ulFlags=BIF_RETURNONLYFSDIRS; U`)d
`4"
LPITEMIDLIST idl=SHBrowseForFolder(&bi); tpgD{BY^wJ
if(idl==NULL) ^0(D2:E
return; g]?>6 %#rA
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); ,d^H Ag^j
str.ReleaseBuffer(); ;vk>k0S
m_Path=str; Ca/N'|}^
if(str.GetAt(str.GetLength()-1)!='\\') ]4lC/&nm
m_Path+="\\"; {9Q**U`w
UpdateData(FALSE); z'gJy
} ]2@lyG#<<
d5=&