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:
u@zBE?
g
yh Ymbu 一、实现方法
LHP?!rO0 meV
RdQ 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:
S b3@7^ RpY#_\^hI #pragma data_seg("shareddata")
_u`W$EG
L HHOOK hHook =NULL; //钩子句柄
tMy@'nj UINT nHookCount =0; //挂接的程序数目
$eBE pN static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
7gQ~"Q static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
7e&%R4{b static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
v<Ux+- static int KeyCount =0;
[t`QV2um static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
_/!IjB:(70 #pragma data_seg()
c8jq.y v u5FlT3hY. 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。
\D
#NO g @lAk%V4 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:
=>6'{32W_ 89)rss BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
Y,@{1X`0@3 cKey,UCHAR cMask)
+P <Lo I {
+<H)DPG< BOOL bAdded=FALSE;
-.E<~(fad for(int index=0;index<MAX_KEY;index++){
hw&R.F if(hCallWnd[index]==0){
*l^%7Wrk hCallWnd[index]=hWnd;
4<&`\<jZ HotKey[index]=cKey;
ABp/uJI) HotKeyMask[index]=cMask;
5<ycF_ bAdded=TRUE;
u|D_"q~+6 KeyCount++;
A3N<;OOk break;
AHhck?M^ }
9_GR\\ }
cv["Ps#;`W return bAdded;
aNCIh@m~ }
Ol24A^ //删除热键
,#r>#fi0 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
""ICdZ_A {
PZ"=t! BOOL bRemoved=FALSE;
9YpD\H` for(int index=0;index<MAX_KEY;index++){
.r?-O{2t if(hCallWnd[index]==hWnd){
!}^{W)h[ if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
?J~(qa a; hCallWnd[index]=NULL;
7m=tu?@ HotKey[index]=0;
puz~Rfn#* HotKeyMask[index]=0;
X@)5F 9 bRemoved=TRUE;
{e?D6`#x KeyCount--;
d1#;>MiU break;
~8Z0{^ }
:_Y@,CpIEg }
GKwm %A }
PDo%ob\Ym return bRemoved;
eVDI7W:(Sn }
*eytr#0B- [x5T7= >LwZ"IEV DLL中的钩子函数如下:
T)]5k3{ Pz1pEyuL LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
2, ` =i {
[L,Tf_t^Y BOOL bProcessed=FALSE;
,r{\aW@ if(HC_ACTION==nCode)
/AP@Bhm {
F"3PP ~ if((lParam&0xc0000000)==0xc0000000){// 有键松开
oToUpkAI switch(wParam)
@%K@oD L {
(&FSoe/![' case VK_MENU:
(AdQ6eGM b MaskBits&=~ALTBIT;
Q%(LMq4UG break;
W^q;=D6uh case VK_CONTROL:
|[?"$g9v MaskBits&=~CTRLBIT;
".eD&oX{ break;
Z*QsDS case VK_SHIFT:
nJ4i[j8 MaskBits&=~SHIFTBIT;
Qsc%qt-l break;
/4]M*ls default: //judge the key and send message
QOkPliX break;
m-UI^M,@< }
[dL4u^]{ for(int index=0;index<MAX_KEY;index++){
:0j9 if(hCallWnd[index]==NULL)
2*5Z|
3aX continue;
~w'M8( if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
t+5JIQY> {
RJ1Q.o SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Qj?FUxw bProcessed=TRUE;
o@r+Y }
eqQA st#~ }
m#mM2Guxe }
!h{qO&ZH= else if((lParam&0xc000ffff)==1){ //有键按下
2`Xy}9N/Y switch(wParam)
z)r)w?A {
37Z:WJ?
case VK_MENU:
Y0=qn'`. MaskBits|=ALTBIT;
/z*?:* break;
,K8O<Mw8 case VK_CONTROL:
GH![rK MaskBits|=CTRLBIT;
b:Dr_| break;
)W~w72j- case VK_SHIFT:
# &o3[.)9 MaskBits|=SHIFTBIT;
Q uy5H break;
Kgi%Nd default: //judge the key and send message
RiF~-;v& break;
a1Qg&s< }
Tz1St{s\ for(int index=0;index<MAX_KEY;index++){
{mMrD 5 if(hCallWnd[index]==NULL)
T&I*8 R~ continue;
!j6]k^ra if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
NWSBqL5v {
q3B#rje>h SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
[ottUS@ bProcessed=TRUE;
&)O X*y }
H3}{]&a }
0x'>}5`5 }
?ZDXT2b~~ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
q-3%.<LL for(int index=0;index<MAX_KEY;index++){
,L^eD>|j5 if(hCallWnd[index]==NULL)
b;O]@kBB continue;
|r!G(an1x4 if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
*? 7Ie;) SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
DF/p{s1Y3 //lParam的意义可看MSDN中WM_KEYDOWN部分
l.?R7f }
MVK=' }
NA>h$N }
R 28v5 return CallNextHookEx( hHook, nCode, wParam, lParam );
s!``OyI/Z }
ZJ@M}-4O1 #[C|%uq 抓图程序是一个基于对话框的程序,它在建立对话框的时候调用前面的DLL,登记热键,因此需要将hook.lib添加到工程里,在程序里给出两个DLL函数的定义,也可以写个头文件,再包含进来以下代码:
8l0%:6XbI gd-4hR BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
/Ws@YP BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
*;8tj5du oori t 为了添加应用程序对热键通知事件的响应,程序中用的办法是重载WindowProc()函数,该函数代码如下:
-kxNJ Gc? qdrk.~_ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
1Dg\\aUk {
6+A<_r`#Q if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
8*I43Jtlf, {
?h"+q8& //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
Xz&Hfs"/J SaveBmp();
kehv85 return FALSE;
<7/ _Vs)F0 }
xWD=",0+ …… //其它处理及默认处理
wj9CL1Gx }
qm&}^S gYfN?A*`_ v_"p)4&' 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
8MGtJ'. ~cVFCM 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
deHhl(U; DTk)Y-eQ 二、编程步骤
*<#jr 4:=']C 1、 启动Visual C++,生成一个DLL项目和一个基于对话框的应用程序项目,并将两个项目分别命名为"Hook"和"Capture";
h}i
/u Pfu2=2Ra 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
}x`W+r K?,eIZ{.S 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
\@vR*E ")"VQ|$y 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;
2@@OjeANsX LX'.up11X5 5、 添加代码,编译运行程序。
\B8tGog nVko]y 三、程序代码
KlDW'R$ r4k=i4 ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
uOc:^ #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
`Lb^!6`) #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
Lnbbv
* #if _MSC_VER > 1000
e)LRD&Q #pragma once
uA7~`78 #endif // _MSC_VER > 1000
%+YLe-\? #ifndef __AFXWIN_H__
\RyOexNZ #error include 'stdafx.h' before including this file for PCH
FA<|V!a #endif
R<@s]xX_ #include "resource.h" // main symbols
k{(R.gLZG class CHookApp : public CWinApp
H%>
E6rVB {
G1 z[v3T public:
$Mm=5K% CHookApp();
l7]:b8 // Overrides
%>Z^BM<e // ClassWizard generated virtual function overrides
l^w=b~|7= //{{AFX_VIRTUAL(CHookApp)
Nl,M9 public:
xQ9P'ru virtual BOOL InitInstance();
M?Tb9c?` virtual int ExitInstance();
T_|%nF-+ //}}AFX_VIRTUAL
%bgjJ` //{{AFX_MSG(CHookApp)
"i_I<?aGB // NOTE - the ClassWizard will add and remove member functions here.
~+}w>jIm{| // DO NOT EDIT what you see in these blocks of generated code !
S#6{4x4 //}}AFX_MSG
Fxdu)F,~u DECLARE_MESSAGE_MAP()
z %{Z };
e`zx#v LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
oa$-o/DhB BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
{m~.'DU BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
\7rFfN3 BOOL InitHotkey();
c[J(H,mt/ BOOL UnInit();
A}pmr #endif
zgRZgVj =B<>H$ //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
r:lv[/D #include "stdafx.h"
a|rN %hA4 #include "hook.h"
~=91Kxf #include <windowsx.h>
A&X(\ c M #ifdef _DEBUG
EjW3_ % #define new DEBUG_NEW
~sT/t1Rp #undef THIS_FILE
)zz^RB\p static char THIS_FILE[] = __FILE__;
H6%QM}t #endif
b9Jah #define MAX_KEY 100
]Ir{9EE
v #define CTRLBIT 0x04
ZDuP|" ^ #define ALTBIT 0x02
(T:OZmEO. #define SHIFTBIT 0x01
jA_wOR7$ #pragma data_seg("shareddata")
!D6 HHOOK hHook =NULL;
/RU'~( UINT nHookCount =0;
qpzzk9ba[ static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
wZB:7E% static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
2(M^8Bl static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
S`g:zb_ static int KeyCount =0;
1.*VliY static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
&<hDl<E #pragma data_seg()
,(&jG^IpVJ HINSTANCE hins;
uyBmGS2 void VerifyWindow();
IlQNo 1 BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
"~- H]9 //{{AFX_MSG_MAP(CHookApp)
/orpQUHA // NOTE - the ClassWizard will add and remove mapping macros here.
u"eO&Vc // DO NOT EDIT what you see in these blocks of generated code!
hbl%<ItI49 //}}AFX_MSG_MAP
;^+# END_MESSAGE_MAP()
8axz`2 ` .,Qj3 CHookApp::CHookApp()
ms9zp?M {
k\->uSU9 // TODO: add construction code here,
XRoMD6qf; // Place all significant initialization in InitInstance
vxuxfi8x }
qYpuo
D 4Uz1~AuNxb CHookApp theApp;
;VM',40 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
bz5",8Mn {
@;>i3? BOOL bProcessed=FALSE;
T.ZPpxY if(HC_ACTION==nCode)
A8Z2o\+ {
UrAg*v!Qy if((lParam&0xc0000000)==0xc0000000){// Key up
x1H?e8 switch(wParam)
"p]F q, {
5gP<+S#>T case VK_MENU:
!
C}t)R]^ MaskBits&=~ALTBIT;
Bfh[C]yy break;
C\.mv |aW~ case VK_CONTROL:
D2hEI2S MaskBits&=~CTRLBIT;
n0nf;E break;
6@0
wKV!D case VK_SHIFT:
~vf&JH'! MaskBits&=~SHIFTBIT;
z9> yg_Q break;
JtB"Dh default: //judge the key and send message
7\ .Ax break;
"= H.$
+ }
#Bo/1G= for(int index=0;index<MAX_KEY;index++){
NpmPm1Ix . if(hCallWnd[index]==NULL)
*7L*:g continue;
/t"p^9!^ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
9C$#A +~C {
TF\<`}akX SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
fX.V+.rj bProcessed=TRUE;
re.%$D@ }
~&E|;\G }
7Pt*V@DHS }
V<} ^n else if((lParam&0xc000ffff)==1){ //Key down
OL+!,Y switch(wParam)
xP@VK!sc {
,+p&ZpH case VK_MENU:
WIwbf |\ MaskBits|=ALTBIT;
|pIA9/~Z break;
)G(6=l* case VK_CONTROL:
vS~y~ uU%6 MaskBits|=CTRLBIT;
0m5Q;|mH break;
C,C=W]G case VK_SHIFT:
T;- Zl[H MaskBits|=SHIFTBIT;
#unE>#DW break;
T[$Sbz` default: //judge the key and send message
M
mg#Vy~ break;
B3I\= }
_/[n/"gn for(int index=0;index<MAX_KEY;index++)
ujcS>XN,1 {
"?j|;p@!> if(hCallWnd[index]==NULL)
'-#6;_ i< continue;
>l$vu-k)~4 if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
~qNpPIrGr {
D#%J|| SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
[5%/{W,~m bProcessed=TRUE;
";~}"Yz?[ }
da@y*TO#i }
_ED1".f }
z(<
E % if(!bProcessed){
PMZdz>>T for(int index=0;index<MAX_KEY;index++){
XA])<dZ
if(hCallWnd[index]==NULL)
aMTY{ continue;
V>P\yr? if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
sF;1)7]Pq SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
-<#n7b }
81a&99k# }
/3%]Ggwe }
m@JU).NKCS return CallNextHookEx( hHook, nCode, wParam, lParam );
hBsjO3n }
)EO/P+& <YL\E v/[ BOOL InitHotkey()
'D(Hqdr;: {
,|I\{J #C if(hHook!=NULL){
kt1f2cj nHookCount++;
nVG\*#*]| return TRUE;
@n(=#Q3 }
oW]&]*>J else
wri[#D { hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
]CC=
\ < if(hHook!=NULL)
~s^&*KaA nHookCount++;
?vRz}hiy return (hHook!=NULL);
(I.uQP~H }
D .Cm& BOOL UnInit()
z,rWj][P {
#`"' if(nHookCount>1){
s*k"-5 nHookCount--;
=< CH( 4! return TRUE;
>\DXA)nc }
kq%`9,XE BOOL unhooked = UnhookWindowsHookEx(hHook);
ciC4V^f if(unhooked==TRUE){
]VJcV.7` nHookCount=0;
3"[ KXzn hHook=NULL;
^ioTd }
c<&+[{| return unhooked;
62(WZX%b }
>Dtw^1i q/OraPAB BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
UjKHGsDi4 {
n;rOH[P BOOL bAdded=FALSE;
)%j)*Ymz; for(int index=0;index<MAX_KEY;index++){
qE,%$0g if(hCallWnd[index]==0){
s?Q`#qD hCallWnd[index]=hWnd;
KktTR`W HotKey[index]=cKey;
B8s|VI HotKeyMask[index]=cMask;
=D[h0U bAdded=TRUE;
Mx r# KeyCount++;
tb=L+WAIw break;
;?:,L }
d'3'{C|kk }
1~`gfHI4 return bAdded;
%ANPv = }
NX=dx&i>+ " c BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
41uSr 1 {
v<c Hx/ BOOL bRemoved=FALSE;
&0C!P=-p for(int index=0;index<MAX_KEY;index++){
gRqz8UI if(hCallWnd[index]==hWnd){
e5XikLu if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
J2cNwhZ hCallWnd[index]=NULL;
h">X!I HotKey[index]=0;
uBMNkN8 HotKeyMask[index]=0;
# xoFIH bRemoved=TRUE;
G7=8*@q>: KeyCount--;
~w*ojI break;
w`v\/a_ }
p-6.:y }
=N0cz% }
He*L"VpWv return bRemoved;
PJ.jgN(r }
ge?ymaU$a U{}7:&As void VerifyWindow()
Z"^@B2v {
enrmjA&3 for(int i=0;i<MAX_KEY;i++){
mT9\%5d3 if(hCallWnd
!=NULL){ 0zxeA+U
if(!IsWindow(hCallWnd)){ puyL(ohem
hCallWnd=NULL; Dm^kuTIG
HotKey=0; lpM{@JC
HotKeyMask=0; &tOD
KeyCount--; `j$d(+Gv
} v%- V|L
} CYu8J@(\~g
} .0ZvCv:>
} tSYnc7
}.vy|^X
BOOL CHookApp::InitInstance() <>oW f
{ ~>R)H#mP7
AFX_MANAGE_STATE(AfxGetStaticModuleState()); zK92:+^C
hins=AfxGetInstanceHandle(); $F%?l\7j
InitHotkey(); A~>=l=
return CWinApp::InitInstance(); FHC7\#p/9Z
} !;a<E:
zE/(F;> FV
int CHookApp::ExitInstance() Sx"I]N
{ AVWrD[ wD2
VerifyWindow(); y^rg%RV
UnInit(); F)w83[5_d
return CWinApp::ExitInstance(); ZB%~>
} -tdG}Gu
CQ[-Cp7
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file do,X{\
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) Y5CE#&
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ ZM?r1Z4
#if _MSC_VER > 1000 ||HIp9(3
#pragma once (I.`bR
#endif // _MSC_VER > 1000 pAuwSn#i
5XHkRcESZ
class CCaptureDlg : public CDialog {LDb*'5Cy
{ k]iS3+nD
// Construction ~=ktFuEa
public: bYc qscW
BOOL bTray; ;gnr\C*G
BOOL bRegistered; W!X]t)Ow
BOOL RegisterHotkey(); c,wU?8Nc|$
UCHAR cKey; /f<(K-o]
UCHAR cMask; i#=X#_
+El
void DeleteIcon(); &L]*]Xz;
void AddIcon(); !y?hn$w0
UINT nCount; sQs5z~#51*
void SaveBmp(); a)Ek~{9
CCaptureDlg(CWnd* pParent = NULL); // standard constructor ^nF$<#a
// Dialog Data 9Q/!%y%5
//{{AFX_DATA(CCaptureDlg) eb\`)MI/
enum { IDD = IDD_CAPTURE_DIALOG }; uek3Y[n
CComboBox m_Key; G |^X:+
BOOL m_bControl; "r"An"
BOOL m_bAlt; ~7a BeD
BOOL m_bShift; &7&*As
CString m_Path; 6DW|O<k^j
CString m_Number; nj`qV
//}}AFX_DATA F4%[R)
// ClassWizard generated virtual function overrides Wp3l>:
//{{AFX_VIRTUAL(CCaptureDlg) SGd.z6"H
public: pe})A
virtual BOOL PreTranslateMessage(MSG* pMsg); VH6|(=8
protected: <1BK5%?
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support o7XRa]O
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); #UD
//}}AFX_VIRTUAL DG?\6Zh
// Implementation 3+5\xRq
protected: i%8&g2
HICON m_hIcon; qL.Y_,[[
// Generated message map functions U(4_X[qD
//{{AFX_MSG(CCaptureDlg) q"<-
virtual BOOL OnInitDialog(); y(h(mr
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); nF$)F?||
afx_msg void OnPaint(); ~|C1$.-
afx_msg HCURSOR OnQueryDragIcon(); nV*sdSt
virtual void OnCancel(); iQC&d_#
afx_msg void OnAbout(); *8H;KGe=
afx_msg void OnBrowse(); 9z/_`Xd_
afx_msg void OnChange(); RgA4@J#
//}}AFX_MSG ^3o8F
DECLARE_MESSAGE_MAP() B1#>$"_0}=
}; > C&<dO#i
#endif {; cB?II
WC*:\:mh
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file e*6` dz@
#include "stdafx.h" G%jJ>T4
#include "Capture.h" Q8cPKDB
#include "CaptureDlg.h" Vzvw/17J
#include <windowsx.h> g*r;( H>e
#pragma comment(lib,"hook.lib") B^~Bv!tHWr
#ifdef _DEBUG hg'!
#define new DEBUG_NEW 'OW"*b
#undef THIS_FILE ]u ~Fn2
static char THIS_FILE[] = __FILE__; m+{: ^
#endif U2lC !j%K
#define IDM_SHELL WM_USER+1 v^_]W3K
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); bvS\P!m\c
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); C,vc
aC?
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; -0WCwv
class CAboutDlg : public CDialog psy(]Pf
{ Pt0} 9Q
public: (G%gVk]
CAboutDlg(); [Ms{J!^q
// Dialog Data WTv\HI2X
!
//{{AFX_DATA(CAboutDlg) I jztj
enum { IDD = IDD_ABOUTBOX }; DLVs>?Y
//}}AFX_DATA [HiTR !o*
// ClassWizard generated virtual function overrides <?7,`P:h[
//{{AFX_VIRTUAL(CAboutDlg) ||ZufFO
protected: V^/^OR4k
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support gJ8 c]2c
//}}AFX_VIRTUAL D)7$M]d%
// Implementation 0QH3,Ps1C
protected: MXJ9,U{<C'
//{{AFX_MSG(CAboutDlg) P^m 6di
//}}AFX_MSG )r,R!8
DECLARE_MESSAGE_MAP() vek:/'sj3p
}; JK]tcP
IBNQmVRrI
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) TIWLp
{ %<#3_}"T|
//{{AFX_DATA_INIT(CAboutDlg) k+r9h'd
//}}AFX_DATA_INIT cPaWJ+c
} lrX0c$)
't?7.#,6O
void CAboutDlg::DoDataExchange(CDataExchange* pDX) ~G:2iSi(#
{ v[DbhIXU
CDialog::DoDataExchange(pDX); xXxh3 k\
//{{AFX_DATA_MAP(CAboutDlg) g74z]Uj.B
//}}AFX_DATA_MAP }%FuL5Tx
} LI;Efy L
.C;_4jE
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) ~TFYlV
//{{AFX_MSG_MAP(CAboutDlg) bd
P,Zqd
// No message handlers {!e ANm'
//}}AFX_MSG_MAP X<}o>
6|d
END_MESSAGE_MAP() KPd C9H
"zIq)PY
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) D62
NU
: CDialog(CCaptureDlg::IDD, pParent) <6O_t,K]
{ b
hr E
//{{AFX_DATA_INIT(CCaptureDlg) r{2].31'
m_bControl = FALSE; QUZQY`'@
m_bAlt = FALSE; N|O]z
m_bShift = FALSE; fDEu%fUYZ
m_Path = _T("c:\\"); }Wche/g`
m_Number = _T("0 picture captured."); 3)c
K*8#
nCount=0; )!}-\5F
bRegistered=FALSE; MAD}Tv\S7
bTray=FALSE; CndgfOF
//}}AFX_DATA_INIT K_+;"G
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 -S%q!%}u
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); `=}UFu
} 5+/b$mHZX
YyJ{
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) "(\)
&G
{ hKZ`DB4
CDialog::DoDataExchange(pDX); L}jF#*Q%
//{{AFX_DATA_MAP(CCaptureDlg) M |({
4C
DDX_Control(pDX, IDC_KEY, m_Key); %w8GGm8^/
DDX_Check(pDX, IDC_CONTROL, m_bControl); g?[&0r1
DDX_Check(pDX, IDC_ALT, m_bAlt); Ph+X{|
DDX_Check(pDX, IDC_SHIFT, m_bShift); z(`
}:t
DDX_Text(pDX, IDC_PATH, m_Path); r2GK_$vd
DDX_Text(pDX, IDC_NUMBER, m_Number); r -q3+c^+
//}}AFX_DATA_MAP iA3>X-x
} d=Df.H+3
*fH_lG%
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) !H1tBg]5
//{{AFX_MSG_MAP(CCaptureDlg) 8hK P
ON_WM_SYSCOMMAND() ZG@M%|>
ON_WM_PAINT() %t~SOkx
ON_WM_QUERYDRAGICON() mYh5#E41J
ON_BN_CLICKED(ID_ABOUT, OnAbout) Yb%-tv:
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) a\{1UD
ON_BN_CLICKED(ID_CHANGE, OnChange) PwB g
//}}AFX_MSG_MAP % nmY:}um
END_MESSAGE_MAP() [l':G ]
Gh2Q$w:
BOOL CCaptureDlg::OnInitDialog() @<OO
{ H\| ]!8w5Z
CDialog::OnInitDialog(); V'"I9R'1
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); K/2. 1o;9
ASSERT(IDM_ABOUTBOX < 0xF000); 'cAc{\)
CMenu* pSysMenu = GetSystemMenu(FALSE); *j/S4qG
if (pSysMenu != NULL) Cl6m$YUt
{ B+Y5b5+wOQ
CString strAboutMenu; Z%+BWS3YqY
strAboutMenu.LoadString(IDS_ABOUTBOX); C1T=O
if (!strAboutMenu.IsEmpty()) 7k]RO
{ l 70,Jo?78
pSysMenu->AppendMenu(MF_SEPARATOR); i>Fvmw
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); P1i*u0a
} k6O.H
} I%9bPQ
SetIcon(m_hIcon, TRUE); // Set big icon 3T|Y}
SetIcon(m_hIcon, FALSE); // Set small icon Ts(t:^
m_Key.SetCurSel(0); j1puB
RegisterHotkey(); -Aa]aDAz68
CMenu* pMenu=GetSystemMenu(FALSE); WDEe$k4.
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); !.3R~0b
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); % Cu.u)/+
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); WGh. ;-
return TRUE; // return TRUE unless you set the focus to a control Z6Nj<2u2
}
(A29ZH
-!J2x8Ri
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) W}XYmF*_?
{ b4Cfd?'
if ((nID & 0xFFF0) == IDM_ABOUTBOX) Z&FkLww
{ OGJ=VQA
CAboutDlg dlgAbout; Y5ogi)
dlgAbout.DoModal(); iW|s|1mh3
} E
&7@#'l
else
c6Lif)4
{ Q !9HA[Ly
CDialog::OnSysCommand(nID, lParam); 'lhP!E_)q
} M[aT2A
} 7L=T]W
@iU%`=ziz
void CCaptureDlg::OnPaint() .3VK;au\\
{ #>8T*B
if (IsIconic()) {ITv&5?>
{ 5-D`<\
CPaintDC dc(this); // device context for painting -<^jGrb
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 8zdT9y|Ig
// Center icon in client rectangle O)`fvpVU
int cxIcon = GetSystemMetrics(SM_CXICON); Bx(yu'g|a
int cyIcon = GetSystemMetrics(SM_CYICON); $]@O/[
CRect rect; gbm0H-A:*
GetClientRect(&rect); }B y)y;~
int x = (rect.Width() - cxIcon + 1) / 2; 3{N\A5~
int y = (rect.Height() - cyIcon + 1) / 2; }A{_L6qx
// Draw the icon of9q"h
dc.DrawIcon(x, y, m_hIcon); ~~PgF"v
} M@|w[ydQG
else U~aWG\h#X
{ )YuRjBcp,"
CDialog::OnPaint(); +}Xr1fr{jw
} C"6Amnj
} L@w0N)P<!{
)`w=qCn1 Y
HCURSOR CCaptureDlg::OnQueryDragIcon() 2~f6~\4GL+
{ a{h%DpG
return (HCURSOR) m_hIcon; Zj qA30!
} NuU'0_")/
_u>t3RUA
void CCaptureDlg::OnCancel() *^'wFbaBO
{ ]Ap`
if(bTray) z@zD .
DeleteIcon(); <^xfcYx\
CDialog::OnCancel(); ><[|
G9
} U.: sK*
A j,]n>{
void CCaptureDlg::OnAbout() ],n%Xp
{ i 'qMi~{
CAboutDlg dlg; 1h2H1gy5I3
dlg.DoModal(); Qh\YR\O
} m$,,YKhh
Rab#7Q16Q8
void CCaptureDlg::OnBrowse() '9qn*H`'
{ 2G?$X?
CString str; 1t+%Gv^sK
BROWSEINFO bi; tJ"az=?
char name[MAX_PATH]; XdpF&B&K7Q
ZeroMemory(&bi,sizeof(BROWSEINFO)); [4p=X=B
bi.hwndOwner=GetSafeHwnd(); (Akd8}nf~
bi.pszDisplayName=name; `)6>nPr7P
bi.lpszTitle="Select folder"; ?cJY
B)
bi.ulFlags=BIF_RETURNONLYFSDIRS; ~z5@V5z
LPITEMIDLIST idl=SHBrowseForFolder(&bi); F)
?o,
if(idl==NULL) \/!ZA[D|E\
return; <P1rqM9^
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); <"?*zx&