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:
g93I+
;5<P|:^ 一、实现方法
[!^cd%l LFCTr/, 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:
{5SfE$r /
>%L[RJ4 #pragma data_seg("shareddata")
S2ark,sp6 HHOOK hHook =NULL; //钩子句柄
G]b8]3^ UINT nHookCount =0; //挂接的程序数目
*yrnK3 static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
]x2Jpk99a static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
*%3oyWwCd static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
3a'q`.L static int KeyCount =0;
h9)RJSF4 static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
j5zFDh1( #pragma data_seg()
d5Qd' x2k*|=$ 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。
J>%t<xYf4 *QH[,F`I 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:
2]2H++ rl?7W]; BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
k|FSz#Y cKey,UCHAR cMask)
>'`Sf ?+| {
TJOvyz`t BOOL bAdded=FALSE;
WeC(w+}p for(int index=0;index<MAX_KEY;index++){
2*u.3,aW if(hCallWnd[index]==0){
=Ndli>x}1 hCallWnd[index]=hWnd;
#mLuU HotKey[index]=cKey;
0pN{y}x, HotKeyMask[index]=cMask;
.N"~zOV<# bAdded=TRUE;
AmcC:5 KeyCount++;
Oq+E6"<y;? break;
8Kk\*8 < }
f^9&WT }
{Q~7M$ return bAdded;
VT=K"`EpQ }
tZA: //删除热键
&?+WXL> BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
D.*>;5:0' {
A#DR9Eq BOOL bRemoved=FALSE;
>"("*3AO for(int index=0;index<MAX_KEY;index++){
"8(U\KaX if(hCallWnd[index]==hWnd){
SRL-Z&M if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
V1utUGJV hCallWnd[index]=NULL;
_k2w(ew? HotKey[index]=0;
{/}^D- HotKeyMask[index]=0;
8h.V4/? bRemoved=TRUE;
qn"K9k KeyCount--;
{'R)4hL break;
OM:v`<T!z }
kX2d7yQZz }
FifbxL }
@`|)Ia< return bRemoved;
$}tjS3klr }
Gt~JA0+C)7 C_->u4- R1%y]]*-P DLL中的钩子函数如下:
*YvRNHP 8eyl,W=dn LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
lS9n@ {
js <Ww$zFW BOOL bProcessed=FALSE;
M"wue*& if(HC_ACTION==nCode)
4|Ui?.4= {
T20VX 8gX if((lParam&0xc0000000)==0xc0000000){// 有键松开
Tbf:eVIG switch(wParam)
l[%lE {
DWf$X1M case VK_MENU:
ai^|N.! MaskBits&=~ALTBIT;
P}r)wAt break;
=~|:t&v=c case VK_CONTROL:
m{(+6-8|m MaskBits&=~CTRLBIT;
K2ewucn break;
.\)A@ua^ case VK_SHIFT:
{a"RXa MaskBits&=~SHIFTBIT;
j[e,?!8; break;
O#_x)13 default: //judge the key and send message
VKrShI break;
-:`V< }
Yx%bn?%;& for(int index=0;index<MAX_KEY;index++){
)#[|hb=o if(hCallWnd[index]==NULL)
wahZK~,EaY continue;
$[(d X!]F if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
!7 _\P7M {
b^Cfhy^RTq SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
=NDOS{($ bProcessed=TRUE;
fRHKQ(a# }
&<1`O }
V4K'R2t }
2\@Z5m3B else if((lParam&0xc000ffff)==1){ //有键按下
{o|k.zy switch(wParam)
Zb(t3I>n {
PT_KXk case VK_MENU:
d3^7ag% MaskBits|=ALTBIT;
OJ3UE(,I= break;
@d&H]5 case VK_CONTROL:
o8S"&O
? MaskBits|=CTRLBIT;
Pe$6s:|NS break;
I%;Jpe case VK_SHIFT:
,8VU&?`<} MaskBits|=SHIFTBIT;
6STp>@Ch]" break;
t;O1IMF default: //judge the key and send message
f_\_9o"l break;
};katqzEg }
j43$]'- for(int index=0;index<MAX_KEY;index++){
&Lj@9\Dh if(hCallWnd[index]==NULL)
wAF,H8 -DK continue;
9-lEt l% if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
HW[L[&/ {
!Q%P%P<$ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
P:{<*`q bProcessed=TRUE;
X6@w krf- }
lU.Kc }
h @/;`E[ }
aMwB>bt if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
YA&`&$ for(int index=0;index<MAX_KEY;index++){
:qj<p3w~} if(hCallWnd[index]==NULL)
S~yR5cb continue;
NiSO'=y$n if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
|g&ymFc SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
@,OT/egF4: //lParam的意义可看MSDN中WM_KEYDOWN部分
nC njq= }
p]&j;H. }
}nrXxfu }
GDhM<bVqM* return CallNextHookEx( hHook, nCode, wParam, lParam );
PuCc2'# }
%dttE)oH? u$*>`Xe6 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:
*3+-W \:_3i\2p BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
e XV@. BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
gS9>N/b| l*}FXL 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:
dl|gG9u4Q p]gT&[iJ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
( [E]_Q {
tw K^I6@ if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
{^ec(EsO# {
= !2NU //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
"Ij I'c SaveBmp();
ff2d@P,! return FALSE;
0!GAk }
S\ ,mR4: …… //其它处理及默认处理
~^US/" }
:nJgwp()@ cDkV;$ i'HQQWd 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。
)b4$A: dF@)M 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
R= 5** j;nb?; 二、编程步骤
\OwpD,' O<*5$,K9 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";
Ao.\ u?H 2%hD 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
`C72sA{M. 't (O$ 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;
4gBp8*2 U.oksD9v 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;
nvq3* ^))RM_ic 5、 添加代码,编译运行程序。
iz^qR={bW zqySm)o] 三、程序代码
|zsbW9
W*m ?+C V1 ] ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
&9[P-w;7u #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
fb]S-z ( #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
>t+
qe/ #if _MSC_VER > 1000
%5'6Tj #pragma once
S33j?+Vs #endif // _MSC_VER > 1000
3{7T4p.G #ifndef __AFXWIN_H__
I*|P@0 #error include 'stdafx.h' before including this file for PCH
WCq
/c6 D #endif
ODw`E9 #include "resource.h" // main symbols
z%d#@w0X1 class CHookApp : public CWinApp
#@.-B,] {
E#%}ZY public:
ixfdO\nU CHookApp();
!7p}C-RZp // Overrides
epD?K // ClassWizard generated virtual function overrides
;/O#4]2* //{{AFX_VIRTUAL(CHookApp)
2a=sm1? public:
UmU:j@xvg virtual BOOL InitInstance();
db72W
x0> virtual int ExitInstance();
Y$
Fj2nk+ //}}AFX_VIRTUAL
U]6&b //{{AFX_MSG(CHookApp)
\}*k)$r // NOTE - the ClassWizard will add and remove member functions here.
v1G"3fy9 // DO NOT EDIT what you see in these blocks of generated code !
'o4p#`R:8 //}}AFX_MSG
]1`g^Z@ 0 DECLARE_MESSAGE_MAP()
i\?*=\a };
k%'m *T f LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
,I.WX,OR BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
b0<o BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
U7$WiPTNL9 BOOL InitHotkey();
c@(&[/q! BOOL UnInit();
`u'bRp #endif
=Ufr^naA C|-pD //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
`8_z!) #include "stdafx.h"
B}?IEpYp #include "hook.h"
I s57F4[} #include <windowsx.h>
+JyUe
#ifdef _DEBUG
N5U)*U'-u #define new DEBUG_NEW
AasZuO_I #undef THIS_FILE
$0A ~uDbs static char THIS_FILE[] = __FILE__;
M" lg%j #endif
!p"aAZT7sq #define MAX_KEY 100
h11.'Eej` #define CTRLBIT 0x04
+/{L#e> #define ALTBIT 0x02
wEW4gz{s #define SHIFTBIT 0x01
qPGuo5^ #pragma data_seg("shareddata")
A=5epsB HHOOK hHook =NULL;
J%C#V}z7E UINT nHookCount =0;
?`_jFj+<\S static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
?DV5y|}pj static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
e 8\;t"D static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
`\u;K9S6 static int KeyCount =0;
Y]|:?G7l] static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
9O*_L:4o #pragma data_seg()
{No L HINSTANCE hins;
Y5q3T`xE void VerifyWindow();
./6<r OW BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
F/d7q%I //{{AFX_MSG_MAP(CHookApp)
{LzH&qu // NOTE - the ClassWizard will add and remove mapping macros here.
t(!r8!c
u} // DO NOT EDIT what you see in these blocks of generated code!
nz.{P@[Qk //}}AFX_MSG_MAP
&;TJ~r#K END_MESSAGE_MAP()
VZn=rw I751 t CHookApp::CHookApp()
Ck =;1sGh {
=DbY? Q<Q // TODO: add construction code here,
vl Ez9/H // Place all significant initialization in InitInstance
SzDKByi }
t`'iU$:1f @wmi5oExc CHookApp theApp;
tMx}*l|] LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
zhI#f0c {
t+r:"bb BOOL bProcessed=FALSE;
Uggw -sRU if(HC_ACTION==nCode)
CWo1.pV w {
.9[45][FK if((lParam&0xc0000000)==0xc0000000){// Key up
v60^4K> switch(wParam)
c?2MBtnu {
s
MN*RKer case VK_MENU:
S{Hx]\ MaskBits&=~ALTBIT;
W=B"Q
qL break;
gd/H``x|Y case VK_CONTROL:
?YM4b5!3T MaskBits&=~CTRLBIT;
nR>r2wMk@ break;
;^Sr"v6r>u case VK_SHIFT:
ysIh[1E~%: MaskBits&=~SHIFTBIT;
|wE3UWsy break;
:q<Z'EnW default: //judge the key and send message
)py{\r9X break;
h_d +$W5 }
}U w&Ny for(int index=0;index<MAX_KEY;index++){
SHb(O<6 if(hCallWnd[index]==NULL)
mV^Zy continue;
~9\WFF/ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Fk;oE'"D {
/%aiEhL SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
+y2[msBs bProcessed=TRUE;
+z9@:L }
5Ky#GuC }
M~*u;vA/ }
4n1; Bh$ else if((lParam&0xc000ffff)==1){ //Key down
D'l5Zd switch(wParam)
(R~]|?:wt {
if;71ZE case VK_MENU:
P #F=c34u MaskBits|=ALTBIT;
ZlYPoOq break;
ik|-L8 case VK_CONTROL:
l+][V'zL MaskBits|=CTRLBIT;
wfvU0]wk} break;
WnwhSr2 case VK_SHIFT:
R:JX<Ba MaskBits|=SHIFTBIT;
AB Xl break;
+QM@VQ default: //judge the key and send message
YJS{i break;
G!8Z~CPF }
H+}"q$ for(int index=0;index<MAX_KEY;index++)
Uq_j\A;c {
7J28JK if(hCallWnd[index]==NULL)
qQi.?<d2"s continue;
D9mz9
if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
0c.s
- {
Dlo xrdOY& SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
B()/.w?A bProcessed=TRUE;
&~UJf4b|A }
8;y&Pb~) }
o47r<>t }
fl
Jp4-nx if(!bProcessed){
@cRZk`|1n for(int index=0;index<MAX_KEY;index++){
=z{JgD/ if(hCallWnd[index]==NULL)
:{'k@J"|a continue;
hqk}akXt if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
#>Y'sd5'A SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
J`IDlGFYp }
T&T/C@z'R }
-16K7yk }
>U1R.B7f return CallNextHookEx( hHook, nCode, wParam, lParam );
.0 u/|Yx }
d0hhMx6$ }7{t^>;D BOOL InitHotkey()
H4OhIxK {
SxyONp.$\ if(hHook!=NULL){
a"/#+=[ nHookCount++;
?Y:x[pOe return TRUE;
4GG>!@| }
C^t(^9 else
RUCPV[{b hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
Rj~ if(hHook!=NULL)
jNwjK0? nHookCount++;
B:"THN^ return (hHook!=NULL);
jUj<~:Q}3o }
_qvK*nE BOOL UnInit()
J68j=`Y {
Q@e[5RA+] if(nHookCount>1){
j4FeSGa nHookCount--;
L_Q#(in return TRUE;
*BD=O@ }
%xwIt~Y BOOL unhooked = UnhookWindowsHookEx(hHook);
Nf+b"&Zh` if(unhooked==TRUE){
dAP|:&y@ nHookCount=0;
3`O?16O hHook=NULL;
: FAH\ }
+u@aJ_^ return unhooked;
]U[X1W+@ }
vgn@d,v M-NV_W&M BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
c~A4gtB= {
)oo~m\` BOOL bAdded=FALSE;
W$dn_9W for(int index=0;index<MAX_KEY;index++){
PIA)d-Z if(hCallWnd[index]==0){
_2fkb=2@ hCallWnd[index]=hWnd;
HhA -[p HotKey[index]=cKey;
;;5Uwd'- HotKeyMask[index]=cMask;
>idBS bAdded=TRUE;
n<Svwa} KeyCount++;
I4rPHZ| break;
p6EDQwlf }
@Un/c:n }
?:^mBb)T return bAdded;
U]qav,^[ }
v8>v.}y :Ud[f`t BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
x+? 9C {
g1(Xg. BOOL bRemoved=FALSE;
0uVv<Q~ for(int index=0;index<MAX_KEY;index++){
kI*(V[i if(hCallWnd[index]==hWnd){
qv
3^5d if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
tc_f;S`k hCallWnd[index]=NULL;
9L%I<5i HotKey[index]=0;
&a> lWE HotKeyMask[index]=0;
KH KS$D bRemoved=TRUE;
'2J0>Bla KeyCount--;
P`$12<\O1 break;
oC*ees
g_ }
fLN! EDq }
\a"Ct' }
fbrp#G71y return bRemoved;
TGT$ >/w > }
maMHZ\Q z^*
'@ void VerifyWindow()
Mro4`GL {
dtM[E`PL for(int i=0;i<MAX_KEY;i++){
@54*.q$ if(hCallWnd
!=NULL){ OL59e%X
if(!IsWindow(hCallWnd)){ h4&;?T S
hCallWnd=NULL; WiNT;v[
HotKey=0; 1.@vS&Y7OE
HotKeyMask=0; n[xkSF^)
KeyCount--; BJjx|VA+
} 4FeEGySow
} /%x7+Rl\-^
} ZU'!iU|8
} /z."l!u6
9~AWn g
BOOL CHookApp::InitInstance() L6:h.1 U$
{ n/e
BE q
AFX_MANAGE_STATE(AfxGetStaticModuleState()); ~d>%,?zz
hins=AfxGetInstanceHandle(); A(6xg)_XQ
InitHotkey(); UP1?5Q=H]Q
return CWinApp::InitInstance(); *}b]rjsj
} SDJH;c0
O0~vf[i];
int CHookApp::ExitInstance() bPD)D'Hs
{ 6o3T;h
VerifyWindow(); O_@2;iD^^
UnInit(); V*n==Nb5L
return CWinApp::ExitInstance(); kka"C]!
} pck >;V
-<f/\U
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file HB&
&
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) _uH9XGm
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ 6k0^ x Q
#if _MSC_VER > 1000 0LVE@qEL
#pragma once wvc>0?t'
#endif // _MSC_VER > 1000 tiQ;#p7%
60B-ay0e$b
class CCaptureDlg : public CDialog y).P=z
{ pu;3nUH
// Construction IhonnLLW
public: T{MC-j _T9
BOOL bTray; O&?.&h
BOOL bRegistered; ?T*";_o,B
BOOL RegisterHotkey(); -e`;bX_N)
UCHAR cKey; 9BON.` |_
UCHAR cMask; -zfoRU v
void DeleteIcon(); L@)&vn]
void AddIcon(); CMVS W6
UINT nCount; 3{J.xWB@:
void SaveBmp(); iyM^[/-R6
CCaptureDlg(CWnd* pParent = NULL); // standard constructor F|eu<^"$ H
// Dialog Data +uQB
rG
//{{AFX_DATA(CCaptureDlg) *3Nn +T
enum { IDD = IDD_CAPTURE_DIALOG }; 2_pz3<,\
CComboBox m_Key; =Sxol>?t
BOOL m_bControl; v[#)GB
_5
BOOL m_bAlt; 1kFjas`g
BOOL m_bShift; uEd,rEB>
CString m_Path; 'V!kL,
9ES
CString m_Number; p5*lEz|$
//}}AFX_DATA H?:Jq\Ba0
// ClassWizard generated virtual function overrides k/`i6%F#m
//{{AFX_VIRTUAL(CCaptureDlg) LHi6:G"Y(
public: n(&*kfk
virtual BOOL PreTranslateMessage(MSG* pMsg); U"5q;9#q
protected: pMN<p[MB
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support $L{7%]7QC
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); D VwCx^
//}}AFX_VIRTUAL <5ZJ]W
// Implementation ]h@{6N'oNS
protected: Q4%IxR?
HICON m_hIcon; rSyaZ6#
// Generated message map functions Ak=UtDN[
//{{AFX_MSG(CCaptureDlg) T
T"3^@
virtual BOOL OnInitDialog(); D@hmO]5c
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); BX$hAQ(6Q
afx_msg void OnPaint(); [ X|OrRA
afx_msg HCURSOR OnQueryDragIcon(); 6FjVmje
virtual void OnCancel(); O,9X8$5H-a
afx_msg void OnAbout(); N1?
iiv
afx_msg void OnBrowse(); A?Sm-#n{
afx_msg void OnChange(); 4(m3c<'P
//}}AFX_MSG b\L)m (
DECLARE_MESSAGE_MAP() >B~?dT m
}; MZ^Ch
#endif :yD@5)
1UyH0`&
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file 4~WlP,,M
#include "stdafx.h" ~~dfpW _"
#include "Capture.h" {G.{ad
#include "CaptureDlg.h" X,53c$
#include <windowsx.h> j?J=w=.Nx
#pragma comment(lib,"hook.lib") [NR1d-Wg
#ifdef _DEBUG =+Tsknq
#define new DEBUG_NEW Kz^ hQd
#undef THIS_FILE },3R%?89%
static char THIS_FILE[] = __FILE__; gD40y\9r
#endif 0C7" 3l
#define IDM_SHELL WM_USER+1 8 )`5P\
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); Q2R>lzB
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); |vN$"mp^a
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; ndt8=6p
class CAboutDlg : public CDialog =z%s8D2
{ Q
}8C
public: { r X5
CAboutDlg(); 7x:F!0:
// Dialog Data gU*I;s>
//{{AFX_DATA(CAboutDlg) N>T=L0`
enum { IDD = IDD_ABOUTBOX }; CCwK8`%
//}}AFX_DATA '|+=B u
// ClassWizard generated virtual function overrides 9&[\*{
//{{AFX_VIRTUAL(CAboutDlg) vKV{
$|
protected: /3;=xZq
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support n7'<3t
//}}AFX_VIRTUAL <#!8?o&i
// Implementation zkvH=wL
protected: ^W{eO@
//{{AFX_MSG(CAboutDlg) 3pzOt&T|w
//}}AFX_MSG /XC;.dLA#
DECLARE_MESSAGE_MAP() K
oL%}u&
}; ol1AD: Ho
[kQ"6wh8
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) KN|'|2/|
{ sV;qpDXX
//{{AFX_DATA_INIT(CAboutDlg) cbY3m Sfn*
//}}AFX_DATA_INIT Oym]&SrbS
} eq7C]i
rH
I\)N\move
void CAboutDlg::DoDataExchange(CDataExchange* pDX) g!z8oPT
{ ^O?l9(=/u
CDialog::DoDataExchange(pDX); FkLQBpp(x
//{{AFX_DATA_MAP(CAboutDlg) i,^>uf
//}}AFX_DATA_MAP ([E#zrz%
} P'KY.TjWb
%Gnd"SGs
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) vjY);aQ
//{{AFX_MSG_MAP(CAboutDlg) iOE9FW|e
// No message handlers /<Gyg7o0
//}}AFX_MSG_MAP 6B4hSqjh
END_MESSAGE_MAP() N2 M?5fF
V/+H_=|
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) ]M02>=1
: CDialog(CCaptureDlg::IDD, pParent) xow6@M,
{ )@?Qt2
//{{AFX_DATA_INIT(CCaptureDlg) jTGS6{E
m_bControl = FALSE; gt(X!iN]
m_bAlt = FALSE; ?^F*"+qI
m_bShift = FALSE; :C}KI)
m_Path = _T("c:\\"); >c~9wv
m_Number = _T("0 picture captured."); Vw6>:l<+<
nCount=0; +^o3}`
bRegistered=FALSE; Ej9/_0lt
bTray=FALSE; pb $ An<P
//}}AFX_DATA_INIT !M#?kKj
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 1D#T+t`[
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); |^>L`6uo
} [U_Q 2<H
g%KGF)+H
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) D~t"9Z\
{ 'npT+p$V
CDialog::DoDataExchange(pDX); S0X.8Bq
//{{AFX_DATA_MAP(CCaptureDlg) Y:#kel<
DDX_Control(pDX, IDC_KEY, m_Key); {g23[$X]N
DDX_Check(pDX, IDC_CONTROL, m_bControl); 3tx0y
DDX_Check(pDX, IDC_ALT, m_bAlt); FN8=YUYK%
DDX_Check(pDX, IDC_SHIFT, m_bShift); ]y$V/Ij=qK
DDX_Text(pDX, IDC_PATH, m_Path); iLI.e rm
DDX_Text(pDX, IDC_NUMBER, m_Number); +)''l
//}}AFX_DATA_MAP +A.a~Stt
} D{3 x}5
;Fwm1ezx0
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) 2!"\;/
//{{AFX_MSG_MAP(CCaptureDlg) NC[GtAPD3
ON_WM_SYSCOMMAND() Sj=69>m]5
ON_WM_PAINT() f"OA Zji
ON_WM_QUERYDRAGICON() H8Z Z@@ qm
ON_BN_CLICKED(ID_ABOUT, OnAbout) GYy!`E
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) +p%5/smfs
ON_BN_CLICKED(ID_CHANGE, OnChange) A(!ZZ9Wc
//}}AFX_MSG_MAP WP#_qqO
END_MESSAGE_MAP() 5;i!PuL
Bb2r95h}^
BOOL CCaptureDlg::OnInitDialog() 3R$CxRc:
{ `!>dbR&1
CDialog::OnInitDialog(); OKLggim{
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ofJ]`]~VG
ASSERT(IDM_ABOUTBOX < 0xF000); KTAe~y
CMenu* pSysMenu = GetSystemMenu(FALSE); cM7k) {
if (pSysMenu != NULL) f 7QUZb\
{ BD-c 0-+m
CString strAboutMenu; "3>*i!i
strAboutMenu.LoadString(IDS_ABOUTBOX); ~IJZM`gN
if (!strAboutMenu.IsEmpty()) )DZ-vnZ#t0
{ =='{[[J
pSysMenu->AppendMenu(MF_SEPARATOR); i[BR(D&l_p
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); t5B|c<Hb\
} nAba
=iW
} K1wN9D{t'
SetIcon(m_hIcon, TRUE); // Set big icon q9]^+8UP
SetIcon(m_hIcon, FALSE); // Set small icon ?GD?J(S
m_Key.SetCurSel(0); J7xT6Q=
RegisterHotkey(); CTrs\G
CMenu* pMenu=GetSystemMenu(FALSE); 'rq#q)1MT
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); tP^mq>
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); sz2SWk^&
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); `J7Lecgo
return TRUE; // return TRUE unless you set the focus to a control V1fvQ=9
} )D-.7m.v]
a]=vq(N'r
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) P+%)0*W
{ "drh+oo.
if ((nID & 0xFFF0) == IDM_ABOUTBOX) )PoI~km
{ @p` CAB
CAboutDlg dlgAbout; R{Kd%Y:2Y
dlgAbout.DoModal(); *Wo$$T
} $$;2jX"I
else ![D,8]GD
{ [W|7r
n,q
CDialog::OnSysCommand(nID, lParam); <GmrKdM
} A=[f>8
} 6l]?%0[*
Fh4w0u*Q
void CCaptureDlg::OnPaint() LY cSMuJ
{ |ij5c@~&
if (IsIconic()) ?9okjLp1n
{ >,]e[/p
CPaintDC dc(this); // device context for painting h+u|MdOY\
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 3R[J,go
// Center icon in client rectangle >W]"a3E
int cxIcon = GetSystemMetrics(SM_CXICON); KXbYv62
int cyIcon = GetSystemMetrics(SM_CYICON); `xAJy5
CRect rect; whZ],R*u
GetClientRect(&rect); ao5yW;^y
int x = (rect.Width() - cxIcon + 1) / 2; WHavz0knf[
int y = (rect.Height() - cyIcon + 1) / 2; WuZn|j'
// Draw the icon Y},GZ ^zqy
dc.DrawIcon(x, y, m_hIcon); +/lj~5:y
} e6xjlaKb
else SK}g(X7IWH
{ 0Lz56e'j
CDialog::OnPaint(); 9@*>$6
} n.UM+2G
} "8dnFrE
g
UAPjR
HCURSOR CCaptureDlg::OnQueryDragIcon() (gC^5&11
{ >b](v)
return (HCURSOR) m_hIcon; ^M5uLm-_s
} 0(f;am0y
l hp:.
void CCaptureDlg::OnCancel() ddhTri'f
{ DJjDKVO5t
if(bTray) < io8
b|A
DeleteIcon(); %D0Ws9:|
CDialog::OnCancel(); S2SQ;s-t_
} TmAb!
Y|F
.[85<"C
void CCaptureDlg::OnAbout() ' *C)S
{ (uz!:dkvx
CAboutDlg dlg; <$6E r
dlg.DoModal(); JY8pV+q @=
} dg8\(G
${eh52)`
void CCaptureDlg::OnBrowse() S$/3K q
{ N|L5Ru
CString str; l Nt o9
BROWSEINFO bi; XYTcG;_z
char name[MAX_PATH]; ^TK)_wx
ZeroMemory(&bi,sizeof(BROWSEINFO)); '2{o_<m
bi.hwndOwner=GetSafeHwnd(); !Shh$iz
bi.pszDisplayName=name; ?+L6o C.;
bi.lpszTitle="Select folder"; o-Arfc3Q
bi.ulFlags=BIF_RETURNONLYFSDIRS; .;6bMP[YA
LPITEMIDLIST idl=SHBrowseForFolder(&bi); lB@K;E@r8
if(idl==NULL) zKT<QM!`
return; %z(=GcWm
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); Sd11ZC6
str.ReleaseBuffer(); d_B5@9e#
m_Path=str; <N&