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:
LfrjC@_y
*2pE39 一、实现方法
V#1v5mWVx LM"b% 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:
j _E(h. N/0Q`cQ- #pragma data_seg("shareddata")
KVoi>?a HHOOK hHook =NULL; //钩子句柄
MD1d UINT nHookCount =0; //挂接的程序数目
<;+QK=f static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
&,XPMT static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
|M<R{Tt}nf static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
}
-hH2 static int KeyCount =0;
@$QtY(a static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
hI<$lEB #pragma data_seg()
YE"MtL { c7?|Tipc 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。
RvVF^~u @*T8> 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:
bX`]<$dr3 xU.Ymq& 5 BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
*0a7H$iQ(] cKey,UCHAR cMask)
S +73 /Vs {
fB; o3!y BOOL bAdded=FALSE;
}LIf]YK for(int index=0;index<MAX_KEY;index++){
iu+H+_ if(hCallWnd[index]==0){
ONcS,oHW hCallWnd[index]=hWnd;
]%Whtj.,x7 HotKey[index]=cKey;
VJgf,
5 (N HotKeyMask[index]=cMask;
6NFLk+kqN bAdded=TRUE;
2I4G=jM[ KeyCount++;
=o"sBVj break;
%HZ!s
`w_ }
\=W t{ }
:e_yOT}} return bAdded;
lQ.3_{"s }
|>I4(''} //删除热键
kP~ ;dJD BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
QmPHf*w[ {
5FNf)F
BOOL bRemoved=FALSE;
p_3VFKq>0 for(int index=0;index<MAX_KEY;index++){
mxvV~X% if(hCallWnd[index]==hWnd){
a5g1.6hF if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
79lG~BGE hCallWnd[index]=NULL;
?0E-Lac= HotKey[index]=0;
/8(t: HotKeyMask[index]=0;
7 Uu bRemoved=TRUE;
9JC8OSjJ KeyCount--;
v}z{OB break;
}<P%W~ }
)i.\q }
zpxyX| }
~65lDFY/ return bRemoved;
]7dal [i }
`jFvG\aC a<D]Gz^h 2-wvL&pi) DLL中的钩子函数如下:
l]e7 GZFLJu LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
na4^RPtN\e {
Y2p~chx9 BOOL bProcessed=FALSE;
5th\_n}N2/ if(HC_ACTION==nCode)
J&b&*3
{
^UpwVKdP if((lParam&0xc0000000)==0xc0000000){// 有键松开
(e{pAm switch(wParam)
oU~ e| {
%1]Lc=[j case VK_MENU:
TH}+'m MaskBits&=~ALTBIT;
O~g0 R6M6e break;
&_c5C case VK_CONTROL:
{7q +3f < MaskBits&=~CTRLBIT;
pe@/tO&I break;
]
i\a[3 case VK_SHIFT:
;6zp,t0 MaskBits&=~SHIFTBIT;
_RzcMX break;
[+$o`0q;N? default: //judge the key and send message
~{O@tt)F break;
=gr3a,2 }
{~d8_%:b for(int index=0;index<MAX_KEY;index++){
}NJ? .Y if(hCallWnd[index]==NULL)
~dqEUu!C continue;
*(@[E if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
rU1{a" { {
BcTV5Wcr SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
ma M8:\ bProcessed=TRUE;
%g&i.2v }
-@_V|C'? }
AJH-V
6 }
Ax+q/nvnb else if((lParam&0xc000ffff)==1){ //有键按下
SA$1rqU= switch(wParam)
.!J,9PE {
?l<u %o case VK_MENU:
n\y%5J+ MaskBits|=ALTBIT;
hG!"e4 break;
((%g\&D case VK_CONTROL:
^t\AB)(8 MaskBits|=CTRLBIT;
rRZ ,X% break;
r5?qz<WW~ case VK_SHIFT:
7e-l`] MaskBits|=SHIFTBIT;
KuO5` break;
mM7S9^<UH default: //judge the key and send message
!M&B=vk4 break;
G(~"Zt}? }
3$`qy|=zO for(int index=0;index<MAX_KEY;index++){
M e if(hCallWnd[index]==NULL)
U8KEg)Msk continue;
f)+fdc if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
ojH-;|f {
SW%d'1ya SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
9WuKW*** bProcessed=TRUE;
vb.`rj6 }
_,4f z( }
f[/E $r99J }
#_bSWV4 if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
uU]4)Hp for(int index=0;index<MAX_KEY;index++){
=p)Wxk if(hCallWnd[index]==NULL)
pJ#R :#P continue;
|f0KIb}d if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
UI 7JMeV SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
yVM
1W"Q //lParam的意义可看MSDN中WM_KEYDOWN部分
Y<S,Xr;J: }
ewtoAru }
?9801Da#/ }
`jb?6;15 return CallNextHookEx( hHook, nCode, wParam, lParam );
|EaEdA@T }
=e,2/Ep{i Ot]PH[+ 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
:RW0< HJ*W3Mg
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
a[GlqaQy+- BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
b='YCa "+ji`{ 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
#9Z*. 5xHl6T+ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
r=+r5k"` {
H{P"$zj`l if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
M+ gYKPP {
'qhA4W9 //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
}cE,&n SaveBmp();
k]"Rg2>% return FALSE;
,g$N }
ET`;TfqM …… //其它处理及默认处理
xXu/CGzG }
s Hu~;) 4PEJ}BW 7oDr`=q1]r 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
e}e\*BL HzT"{N9 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
!58-3F%P w7"Z@$fs 二、编程步骤
KwRO?G9& QP?Z+P< 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";
.Tdl'y:.. {q"l|Oe 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
cV5Lp4wY? @qH<4`y.^ 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)M_&?J!5 -~
`5kO~ 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;
xS,#TU;)Ol Tp`by
1s 5、 添加代码,编译运行程序。
/9WR>NUAO *IGgbg[0 三、程序代码
n5%rsNxg eGblQGRS ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
SN'LUwaMp! #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
2`l$uEI3oJ #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
F#Oqa^$( #if _MSC_VER > 1000
1HBch]J #pragma once
'@Y@H, #endif // _MSC_VER > 1000
5_nkN`x #ifndef __AFXWIN_H__
b'^-$ #error include 'stdafx.h' before including this file for PCH
UPPDs " #endif
y2^r.6"O #include "resource.h" // main symbols
BjJ$I^ class CHookApp : public CWinApp
t.>vLzrU {
;EE*#"IJ public:
xk}YeNVj CHookApp();
OXzJ%&h // Overrides
^ ;$f-e // ClassWizard generated virtual function overrides
]5' //{{AFX_VIRTUAL(CHookApp)
"S^;X
@#v public:
h]c-x(+ virtual BOOL InitInstance();
>ea<6&!Ee virtual int ExitInstance();
WFg'G>* //}}AFX_VIRTUAL
q'M-a tE. //{{AFX_MSG(CHookApp)
oHbEHS61 // NOTE - the ClassWizard will add and remove member functions here.
t@!X1?`w // DO NOT EDIT what you see in these blocks of generated code !
,l`q //}}AFX_MSG
Sz"J-3b^ DECLARE_MESSAGE_MAP()
gNzQ"W= };
nKh._bvfX LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
ZV_Z)< BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
h&5H`CR[ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
JMOQDo BOOL InitHotkey();
g{f1JTJ7 BOOL UnInit();
\A5cM\- #endif
U^~K-!0 H4 &
d,8:m //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
4fZ$&)0& #include "stdafx.h"
yc4mWB~gyU #include "hook.h"
~|pVz/s|G #include <windowsx.h>
v)+wr[Qs #ifdef _DEBUG
z(3mhMJY #define new DEBUG_NEW
yGH'|` #undef THIS_FILE
ZqkP# ]+Y' static char THIS_FILE[] = __FILE__;
JQE^ bcr #endif
=6q?XOM #define MAX_KEY 100
o'%F*>#v #define CTRLBIT 0x04
C&3#'/& #define ALTBIT 0x02
#*
S0d1 #define SHIFTBIT 0x01
or~o' #pragma data_seg("shareddata")
B.K"1o HHOOK hHook =NULL;
VE6T&fz` UINT nHookCount =0;
yK0Q, static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
EUe2<G static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
D_9&=aa' static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
=6j
5, static int KeyCount =0;
3.Qf^p static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
~7b'4\ #pragma data_seg()
}`Q'!_` HINSTANCE hins;
d^Ra1@0"q2 void VerifyWindow();
#d*mG = BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
M,t8<y4W/ //{{AFX_MSG_MAP(CHookApp)
@"kA&=0;|J // NOTE - the ClassWizard will add and remove mapping macros here.
i,S%:0c7) // DO NOT EDIT what you see in these blocks of generated code!
|VlAt#E //}}AFX_MSG_MAP
&.+[~2 END_MESSAGE_MAP()
RV^2[Gdi 4G@vO{$ CHookApp::CHookApp()
zY\v|l<T {
Q]w;o&eo // TODO: add construction code here,
fmA&1u/xMs // Place all significant initialization in InitInstance
,^,Vq]$3 }
Fx0K.Q2Y0 8b(UqyV CHookApp theApp;
;MCv LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
dj?.Hc7od {
u-pE
;| BOOL bProcessed=FALSE;
H<%7aOwO2 if(HC_ACTION==nCode)
0[T!}F^%e {
FD#?pVyPn^ if((lParam&0xc0000000)==0xc0000000){// Key up
CTR|b}! switch(wParam)
Zx55mSfx: {
t\{q,4 case VK_MENU:
cIja^xD MaskBits&=~ALTBIT;
%6L!JN break;
~ceGx case VK_CONTROL:
gJ c5Y MaskBits&=~CTRLBIT;
mv SNKS break;
KHcfP7 case VK_SHIFT:
^P:9iu)+]~ MaskBits&=~SHIFTBIT;
`\q4z-<- break;
j"_V+)SD default: //judge the key and send message
Rr4r[g# break;
vV#Jl)
A }
+tdt>)a for(int index=0;index<MAX_KEY;index++){
w^p
'D{{ if(hCallWnd[index]==NULL)
0d`s(b54;O continue;
B HoZ}1_ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
%9-).k {
=NF},j" SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
05DK-Wh? bProcessed=TRUE;
>Bskw2 }
'8i
np[_ }
\0(QO8. }
,, ]y 8P else if((lParam&0xc000ffff)==1){ //Key down
tV*g1)'zX switch(wParam)
}.o
rfW {
zL3~,z/o case VK_MENU:
%nF6n:| : MaskBits|=ALTBIT;
U&wVe$ break;
%=S^{A case VK_CONTROL:
;r^8In@6 MaskBits|=CTRLBIT;
6g@j,iFy break;
:5U(}\dL{ case VK_SHIFT:
l0tMdsz MaskBits|=SHIFTBIT;
h k(2,z break;
3UD_2[aqN( default: //judge the key and send message
f Nm
Sx break;
sUfH1w)0 }
k-Jj k3 for(int index=0;index<MAX_KEY;index++)
<|hvH {
BA A)IQF if(hCallWnd[index]==NULL)
}n:'@} continue;
b,KQG|k if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
T9RR.
ng {
/ta-jOcRH& SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
YmB
z$ bProcessed=TRUE;
F FR_1Vf }
K$#(\-M
}
-g;iMqh# }
RQ9fA1YP if(!bProcessed){
JT[|l-\zo for(int index=0;index<MAX_KEY;index++){
'<>pz<c if(hCallWnd[index]==NULL)
,U],Wu) continue;
PM7*@~. if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
tE3!; SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
-AD3Pd|Y[ }
;8|uY%ab }
p!|Wp }
>Ah [uM return CallNextHookEx( hHook, nCode, wParam, lParam );
Eae]s8ek9 }
N=zrY`Vd 3)atqM)i BOOL InitHotkey()
%:N5k+} {
L:XnW1(Or if(hHook!=NULL){
yGZb nHookCount++;
$khWu>b return TRUE;
oq^#mJL }
s$&:F4=? else
:f 1*-y hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
'r(}7>~fC if(hHook!=NULL)
-XkCbxZ nHookCount++;
!RFlv return (hHook!=NULL);
,K+K`"Oy }
(/v(.t BOOL UnInit()
9{'GrL {
Jq<&`6hn if(nHookCount>1){
8"N<g'Yl, nHookCount--;
F.c,F R2 return TRUE;
#J)sz,)( }
\a<qI BOOL unhooked = UnhookWindowsHookEx(hHook);
\gDf&I if(unhooked==TRUE){
jC@$D*"J nHookCount=0;
&]ts*qCEL hHook=NULL;
deQ0)A 4g }
!-U5d9! return unhooked;
DNLqipUw }
s34{\/'D+ pu0IhDMn BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
3-lJ] 7OT {
S'9T>&<Kn BOOL bAdded=FALSE;
/ /3iai for(int index=0;index<MAX_KEY;index++){
C6M|A3^T if(hCallWnd[index]==0){
{tOu+zy hCallWnd[index]=hWnd;
aVNRhnM HotKey[index]=cKey;
*q=pv8&*s HotKeyMask[index]=cMask;
t*NZ@)> bAdded=TRUE;
w;&J._J KeyCount++;
GXYmJ4wR break;
5T:e4U&
}
HIk5Q'e k }
ymrmvuh return bAdded;
#:3ca] k }
=A$5~op% /v
U$62KA BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
]- " )r {
!)?n n3 BOOL bRemoved=FALSE;
!0zbWB9 for(int index=0;index<MAX_KEY;index++){
E2Q;1Re@ if(hCallWnd[index]==hWnd){
mHM38T9C% if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
b" 1a7 hCallWnd[index]=NULL;
M`q >i B HotKey[index]=0;
z4HIDb HotKeyMask[index]=0;
K9njD#/ bRemoved=TRUE;
*Cz>r}W KeyCount--;
/a[i:Oa# break;
blpX_N }
;ug&v
C }
T4]/w|?G }
P6u9Ngay return bRemoved;
T&oY:1D,g }
5k)QjZo a:r8Jzr void VerifyWindow()
f-F+Y`P {
3=RV Jb for(int i=0;i<MAX_KEY;i++){
=ps3=D if(hCallWnd
!=NULL){ 9.{u2a\
if(!IsWindow(hCallWnd)){ ({v$!AAv
hCallWnd=NULL; ^
|z|kc
HotKey=0; O:IU|INq8
HotKeyMask=0; JF!JY( U,
KeyCount--; Ew5(U`]
} j1Fy'os"!
} b|^g51v
} umaF}}-Q{
} Dq/_^a/1
'-oS=OrZ
BOOL CHookApp::InitInstance() :.e`w#$7
{ |]1-ck!
AFX_MANAGE_STATE(AfxGetStaticModuleState()); ]P;uQ!
hins=AfxGetInstanceHandle();
|_"JyGR2
InitHotkey(); z#ab
V1
Xi
return CWinApp::InitInstance(); P"Lk(gY
} wzVx16Rvc
{Fs}8\ z
int CHookApp::ExitInstance() Bi;D d?.
{ t~H'Ugv^
VerifyWindow(); j]U sb_7
UnInit(); 29("gB
return CWinApp::ExitInstance(); }TY}sr
} b#`XmB
VkTdpeBV
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file *1"xvle
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) ZJ}9g(X..g
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ S96H`kedZo
#if _MSC_VER > 1000 x' >Nz{B,P
#pragma once
o=}}hE\H
#endif // _MSC_VER > 1000 BgRfy2:
2~dUnskyy
class CCaptureDlg : public CDialog {; #u~e(W
{ H=Scrvfx
// Construction }{T9`^V:h
public: %sxLxx_x!
BOOL bTray; ;\ ^'}S|3Z
BOOL bRegistered; Dk8
O*B
BOOL RegisterHotkey(); W; yNg
UCHAR cKey; "O{j}QwY
UCHAR cMask; rH*1bDL
void DeleteIcon(); =lT~
void AddIcon(); HK&Ul=^VN|
UINT nCount; .B?6
void SaveBmp(); l/1u>'
CCaptureDlg(CWnd* pParent = NULL); // standard constructor GKT2x '(e
// Dialog Data Fa<>2KkOr
//{{AFX_DATA(CCaptureDlg) W!vN(1:(
enum { IDD = IDD_CAPTURE_DIALOG }; G&=4@pLY5
CComboBox m_Key; ,)/gy)~#
BOOL m_bControl; (3cJ8o>&
BOOL m_bAlt; x93h{Kf
BOOL m_bShift; Zk,`
Iq
CString m_Path; kt`_n+G
CString m_Number; .c__<I<G<
//}}AFX_DATA EQ
'L"
// ClassWizard generated virtual function overrides \|e>(h!l;
//{{AFX_VIRTUAL(CCaptureDlg) ,;;7+|`
public: NwAvxN<R(f
virtual BOOL PreTranslateMessage(MSG* pMsg); jf&B5>-x
protected: e_RLKFv7
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support T8<pb^#
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); .5L|(B=H
//}}AFX_VIRTUAL s?Lx\?T
// Implementation >QyJRMY
protected: (-S<9u-r
HICON m_hIcon; mm}y/dO~}
// Generated message map functions Y-2IAJHS8
//{{AFX_MSG(CCaptureDlg) 0lpkG
="&r
virtual BOOL OnInitDialog(); -55[3=#
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); mJ+M|#Ox
afx_msg void OnPaint(); +cH,2 ^&
afx_msg HCURSOR OnQueryDragIcon(); di.yh3N$
virtual void OnCancel(); -R%T Dx
afx_msg void OnAbout(); (~>uFH
afx_msg void OnBrowse(); =MR.*m{
afx_msg void OnChange(); MoAie|MKe
//}}AFX_MSG 1oKF-";u(
DECLARE_MESSAGE_MAP() .8o?`
}; *vy^=Yea
#endif Ov$>CA
|Gp!#D0b
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file F/pq9
#include "stdafx.h" /ILj}g'
#include "Capture.h" OlU')0Y
#include "CaptureDlg.h" ->Z9j(JU
#include <windowsx.h> )6+Z9 9w
#pragma comment(lib,"hook.lib") ))T@U?r
#ifdef _DEBUG o<h2]TN
#define new DEBUG_NEW D;nd_{%
#undef THIS_FILE (g" {A
static char THIS_FILE[] = __FILE__; &f=O`*I'+!
#endif NS<C"O
#define IDM_SHELL WM_USER+1 ,LE 15},
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); vCvjb\S
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); ML _$/
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; ATQw=w
3W
class CAboutDlg : public CDialog 4^r4O#
{ iGq%|o>
public: FOPfob[
CAboutDlg(); IRhi1{K$"
// Dialog Data * 'eE[/K
//{{AFX_DATA(CAboutDlg) &}'FC7}
enum { IDD = IDD_ABOUTBOX }; is~"yE7
//}}AFX_DATA #|PPkg%v<
// ClassWizard generated virtual function overrides 7MWd(n-
//{{AFX_VIRTUAL(CAboutDlg) q
~%'V
protected: 4nsc`Hu
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support ]ilQq~X
//}}AFX_VIRTUAL 1.9bU/X
// Implementation GLO%>&
protected: y+\kZIqX
//{{AFX_MSG(CAboutDlg)
]z5k YU&
//}}AFX_MSG 8H'ybfed
DECLARE_MESSAGE_MAP() 3_ bE12
}; ZLjEH7
SFu]*II;{
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) FR9w0{o
{ ag V z
//{{AFX_DATA_INIT(CAboutDlg) RWg'W,v=!
//}}AFX_DATA_INIT /^]/ iTg
} Z";&1cK
`
0$i^,}
void CAboutDlg::DoDataExchange(CDataExchange* pDX) /0Jf/-}ovn
{ eA{nwtN
CDialog::DoDataExchange(pDX); ^4b;rLfk@
//{{AFX_DATA_MAP(CAboutDlg) -9]
ucmN
//}}AFX_DATA_MAP zq6)jHfq.
} z*a-=w0
z@g%9|U
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) &k@\k<2Ia
//{{AFX_MSG_MAP(CAboutDlg) XE>w&
// No message handlers ~'V&[]nh8
//}}AFX_MSG_MAP 0
k.\o"y
END_MESSAGE_MAP() >D
jJ*vM
+>&i]x(b
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) oF0DprP@
: CDialog(CCaptureDlg::IDD, pParent) hW!2C6
{ z''ejq
//{{AFX_DATA_INIT(CCaptureDlg) 85x34nT
m_bControl = FALSE; C669:%
m_bAlt = FALSE; bm*.*A]
m_bShift = FALSE; &6^ --cc
m_Path = _T("c:\\"); oVTXn=cYDp
m_Number = _T("0 picture captured."); E^iShe
nCount=0; pCf9"LLer
bRegistered=FALSE; m#$$xG
bTray=FALSE; ?8w5tfN6t
//}}AFX_DATA_INIT $>8O2p7W
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 >\!G43Q=
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); /Rf,Rjs
} (@ 1>G
^%
CnpQdI
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) &^UT
{ PNo9.-@G
CDialog::DoDataExchange(pDX); ^e]O-,UBk
//{{AFX_DATA_MAP(CCaptureDlg) 0HO'%'Ga*
DDX_Control(pDX, IDC_KEY, m_Key); EI9;J-c
DDX_Check(pDX, IDC_CONTROL, m_bControl); x8xz33
DDX_Check(pDX, IDC_ALT, m_bAlt); <NEz{ 1Z
DDX_Check(pDX, IDC_SHIFT, m_bShift); 85f:!p
DDX_Text(pDX, IDC_PATH, m_Path); 5DpvMhc_
DDX_Text(pDX, IDC_NUMBER, m_Number); !kG |BJ$j
//}}AFX_DATA_MAP naro
} }S$OE))u
dB)-qL8,2
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) 7KHQ0
//{{AFX_MSG_MAP(CCaptureDlg) uHsLlfTn
ON_WM_SYSCOMMAND() MK- +[K
ON_WM_PAINT() !|W.YbS
ON_WM_QUERYDRAGICON() eslvg#Q
ON_BN_CLICKED(ID_ABOUT, OnAbout) ]v/pMg#-
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) NQGa=kXeJ
ON_BN_CLICKED(ID_CHANGE, OnChange) 4ClSl#X#i
//}}AFX_MSG_MAP C2aA])7D
END_MESSAGE_MAP() nQOzKw<j%
TI}a$I*
BOOL CCaptureDlg::OnInitDialog() dVPY07P
{ K.=5p/^a
CDialog::OnInitDialog(); =van<l4b#n
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); (wFoI}s
ASSERT(IDM_ABOUTBOX < 0xF000); 27+~!R~Yw
CMenu* pSysMenu = GetSystemMenu(FALSE); F( 4Ue6R
if (pSysMenu != NULL) `g_r<EY8/
{ m^\&v0
CString strAboutMenu; <-mhz`^
strAboutMenu.LoadString(IDS_ABOUTBOX); Y_}_)nE@m
if (!strAboutMenu.IsEmpty()) G!`PP
{ 0x,**6
pSysMenu->AppendMenu(MF_SEPARATOR); !>"fDz<w`
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 6g\hQ\+Z}
} $|g
;
} HOx+umjxW
SetIcon(m_hIcon, TRUE); // Set big icon diNAT`|?#
SetIcon(m_hIcon, FALSE); // Set small icon .p]rS
=#
m_Key.SetCurSel(0); Dpwqg3,
RegisterHotkey(); #K`0b$
CMenu* pMenu=GetSystemMenu(FALSE); V%{WH}
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); ek. @ 0c
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); 0~EGrEt
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); s3T7M:DM4
return TRUE; // return TRUE unless you set the focus to a control [K@(,/$
} c|d,:u#
@eZBwFe
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) qX`Hi9ja
{ D66NF;7q
if ((nID & 0xFFF0) == IDM_ABOUTBOX) fJP *RVz
{ |VzXcV-"8)
CAboutDlg dlgAbout; $bD`B'5
dlgAbout.DoModal(); [mv!r-=
} c:52pYf+
else c3Gy1#f:#2
{ L
}3eZ-
CDialog::OnSysCommand(nID, lParam); d``wx}#Uk
} tot~\S
} _-sFJi8B
QFnpp\K
void CCaptureDlg::OnPaint() +*w}H
0Z
{ &]Uo>Gb3!q
if (IsIconic()) SuB8mPn
{ gTgoS:M"_O
CPaintDC dc(this); // device context for painting +I-BqA9
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); kh{3s:RQfC
// Center icon in client rectangle C=|8C70[%N
int cxIcon = GetSystemMetrics(SM_CXICON); { =\Fc`74
int cyIcon = GetSystemMetrics(SM_CYICON); yf;TIh%)=
CRect rect; ahIDKvJ4
GetClientRect(&rect); _g
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int x = (rect.Width() - cxIcon + 1) / 2; [Y$TVwFwX
int y = (rect.Height() - cyIcon + 1) / 2; TqL+^:cq
// Draw the icon NM^uP+uS
dc.DrawIcon(x, y, m_hIcon); wx[m-\
} ~#4FL<W
else NjT*5 .
{ *Wvk~
CDialog::OnPaint(); @ZjO#%Ep/
} Z:<an+v|5
} -)B_o#2=2
gwsIzYV
HCURSOR CCaptureDlg::OnQueryDragIcon() PqL.^
{ Ssuz%*
return (HCURSOR) m_hIcon; /M::x+/T
} w[\rS`J
#Q)r6V:
void CCaptureDlg::OnCancel() |:&O!36
{ y.I&x#(^
if(bTray) f1v4h[)-
DeleteIcon(); UPP"-`t
CDialog::OnCancel(); #qmsZHd}b
} SE43C %hv
"/RMIS
K[;
void CCaptureDlg::OnAbout() JBLUX,
{ <&3aP}
CAboutDlg dlg; jDqG9]
dlg.DoModal(); 8!cHRtqK
} '<YBoU{e*
79cM_O
void CCaptureDlg::OnBrowse() +t%2V?
{ ."=p\:^j*
CString str; b>8TH-1t~
BROWSEINFO bi; A6 .wXv,
char name[MAX_PATH]; $.kJBRgV*
ZeroMemory(&bi,sizeof(BROWSEINFO)); L -:@Om!
bi.hwndOwner=GetSafeHwnd(); M2w'cdHk
bi.pszDisplayName=name; 9&uf
bi.lpszTitle="Select folder"; 09anQHa
bi.ulFlags=BIF_RETURNONLYFSDIRS; Z)$@1Q4P?1
LPITEMIDLIST idl=SHBrowseForFolder(&bi); "g #%d
if(idl==NULL) ^r.CUhx)
return; p/RT*?<
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); OA=~i/n~
str.ReleaseBuffer(); qljsoDG
m_Path=str; :UP8nq
if(str.GetAt(str.GetLength()-1)!='\\') F[$cE
m_Path+="\\"; DpvHIE:W
UpdateData(FALSE); d"miPR
} %7}j|eS)G
rD4umWi
void CCaptureDlg::SaveBmp() "f_qG2A{
{ K)wWqC.
CDC dc; PU,$YPrZ
dc.CreateDC("DISPLAY",NULL,NULL,NULL); X ?[ )e
CBitmap bm; CYQ)'v
int Width=GetSystemMetrics(SM_CXSCREEN); G%: 3.:E"
int Height=GetSystemMetrics(SM_CYSCREEN); (YYg-@IO
bm.CreateCompatibleBitmap(&dc,Width,Height); GVJ||0D
CDC tdc; ;Su-Y!&