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:
Z\sDUJ
%yC,^ 一、实现方法
z$sGv19pB pgo$61 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:
DmcZta8n] 8P`"M#fI #pragma data_seg("shareddata")
kx^/*~ex HHOOK hHook =NULL; //钩子句柄
K=&>t6s< UINT nHookCount =0; //挂接的程序数目
*qq+jsA6wH static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
XWw804ir static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
{;oPLr+Z static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
(@YG~0 static int KeyCount =0;
%TqC/c static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
b.938#3, #pragma data_seg()
<UCl@5g& /wG2vE8e 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。
'+
?X O6Y0XL 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:
j<$2hiI/?& l,).p BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
eS!/(#T cKey,UCHAR cMask)
khd4ue$ {
>Q*Wi BOOL bAdded=FALSE;
.+qpk*V\ for(int index=0;index<MAX_KEY;index++){
Bbc^FHip if(hCallWnd[index]==0){
d;>QhoiL hCallWnd[index]=hWnd;
5zJq9\)d+ HotKey[index]=cKey;
KPki}'GO HotKeyMask[index]=cMask;
CC`JZ.SO bAdded=TRUE;
]$hBMuUa KeyCount++;
$cgcX break;
Hr C+Yjp }
tJmTBsn }
2 E=L8< return bAdded;
dr"1s-D4IQ }
~J]qP #C //删除热键
fQFk+C BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
XPPdwTOr {
'%;m?t%q BOOL bRemoved=FALSE;
vQ.R{!",> for(int index=0;index<MAX_KEY;index++){
EM_d8o)`B if(hCallWnd[index]==hWnd){
!u hT if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
q\ %I#1 hCallWnd[index]=NULL;
k3|Z7eW}[ HotKey[index]=0;
{`_i` HotKeyMask[index]=0;
+T+#q@ bRemoved=TRUE;
\. S/| KeyCount--;
$;PMkUE break;
\<K5ZIWV }
zm# ?W }
iow"n$/ }
`0svy} return bRemoved;
/kG_*>.Z }
/_.|E] ->jDb/a{C s#MPX3itK DLL中的钩子函数如下:
FTldR;}( %2h>-.tY LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
8XaQAy%d] {
8CE = 4 BOOL bProcessed=FALSE;
iRBfx if(HC_ACTION==nCode)
GX%g9f!O {
u@^LW<eD if((lParam&0xc0000000)==0xc0000000){// 有键松开
(?];VG switch(wParam)
mZBo~(} {
ig"L\ C"T case VK_MENU:
tX[WH\(xI MaskBits&=~ALTBIT;
bd`P0f? break;
1Ws9WU case VK_CONTROL:
H*6W q MaskBits&=~CTRLBIT;
R-14=|7a- break;
_dU\JD case VK_SHIFT:
Xc.`-J~Il MaskBits&=~SHIFTBIT;
{G-kNU break;
afk>+4q default: //judge the key and send message
4!$"ayGv;D break;
zeRyL3fnmb }
m+9#5a- for(int index=0;index<MAX_KEY;index++){
0`H#
'/ if(hCallWnd[index]==NULL)
|a@L}m continue;
hGrdtsH? if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
Zd&S@Z {
('~LMu_ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
@nf`Gw ; bProcessed=TRUE;
|uDdHX8T }
`u\n0=go }
M%#e1"n }
31)&vf[[ else if((lParam&0xc000ffff)==1){ //有键按下
P2Y^d#jO switch(wParam)
d5d@k {
`h;[TtIX4 case VK_MENU:
>sbu<|]a
7 MaskBits|=ALTBIT;
S>{~nOYt-` break;
=c7;r]Ol case VK_CONTROL:
V8(- MaskBits|=CTRLBIT;
/RF7j; break;
IA(5?7x`< case VK_SHIFT:
7z-[f'EIUI MaskBits|=SHIFTBIT;
^Dx&|UwiZa break;
w
= KPT''! default: //judge the key and send message
%)n=x
ne break;
lfg6646?S }
Pz^544\~ou for(int index=0;index<MAX_KEY;index++){
4P0}+ if(hCallWnd[index]==NULL)
11lsf/IP continue;
D{!IW!w if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
xC?h2hIt {
<GsuZ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
e(yh[7p= bProcessed=TRUE;
n`KY9[0U= }
@pxcpXCy }
G&dKY h\ }
KSL`W2} if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
g .\[o@H for(int index=0;index<MAX_KEY;index++){
8i pez/ if(hCallWnd[index]==NULL)
Debv4Gr;^ continue;
r
:dTz if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
/<3UQLMa SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
1&2>LE/P //lParam的意义可看MSDN中WM_KEYDOWN部分
fR|A(u#9 }
EQ ttoOO }
Wjc'*QCPl }
e# bn# return CallNextHookEx( hHook, nCode, wParam, lParam );
g=rbPbu }
c`W,~[Q<O+ IK]d3owA 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:
y}H!c; \Cj B1]I BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
7d vnupLh BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
Uz7<PLxd
@8
6f 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:
OKV8zO /j^ LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
0`hdMLONR {
9VT;ep if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
xkn;,`t^lJ {
v2?ZQeHr_( //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
h$*!8=M SaveBmp();
S[N5 ikg return FALSE;
T;uX4,|( }
6nQq …… //其它处理及默认处理
+q oRP2 }
n| ;Im&, _g.{MTQ f5r0\7y0 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
@.C2LIb % `3jL7| 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
.u:GjL'$ a
=QCp4^ 二、编程步骤
z:;CX@)* ,s(,S 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";
HP=+<]?{G 8_8l.!~ 2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
=Uh$&m xA/D' 3、 在"Capture"项目中按照图一所示设置对话框的界面,具体设置参见代码部分;
RpF&\x> Ned."e 4、 使用Class Wizard在"Capture"项目中添加按钮的鼠标单击消息响应函数,并重载对话框的WindowProc()函数;
KSvE~h[#+ ys~x$ 5、 添加代码,编译运行程序。
6 r"<jh # HDLk>_N_s, 三、程序代码
putrSSL} ?EL zj ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
:>*7=q= #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
_LPHPj^Pg #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
xwr8`?]y #if _MSC_VER > 1000
"8RSvT<W^5 #pragma once
! z**y}<T #endif // _MSC_VER > 1000
P'2Qen* #ifndef __AFXWIN_H__
E3i4=!Y #error include 'stdafx.h' before including this file for PCH
Zh,71Umz #endif
g ?k=^C #include "resource.h" // main symbols
IU[ [H# class CHookApp : public CWinApp
#jk_5W {
TO_e^A# public:
`g,..Ns-r CHookApp();
NgwbQ7) // Overrides
WM{=CD // ClassWizard generated virtual function overrides
xmX 4qtAL //{{AFX_VIRTUAL(CHookApp)
/B3i C#? public:
G"6 !{4g virtual BOOL InitInstance();
O}P`P'Y|' virtual int ExitInstance();
OPi0~s //}}AFX_VIRTUAL
~BF&rx5Q //{{AFX_MSG(CHookApp)
j6YOKJX // NOTE - the ClassWizard will add and remove member functions here.
;,TFr}p` // DO NOT EDIT what you see in these blocks of generated code !
\8
":]EU //}}AFX_MSG
Kgv T"s. DECLARE_MESSAGE_MAP()
%$I;{-LD };
0erNc'e LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
U(Zq= M BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
9z0p5)]n> BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
phK/ BOOL InitHotkey();
|zU-KGO& BOOL UnInit();
XkqCZHYkS #endif
I*&8^r:A "8/,Y"W" //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
qLCR] _* #include "stdafx.h"
N;d] 14| #include "hook.h"
u y+pP!< #include <windowsx.h>
#ABCDi={zA #ifdef _DEBUG
2/f}S?@ #define new DEBUG_NEW
;
KA~Z5x; #undef THIS_FILE
*#2h/Q. static char THIS_FILE[] = __FILE__;
j+!v}*I![ #endif
omFz@ #define MAX_KEY 100
~[
F`" #define CTRLBIT 0x04
)1z@ #define ALTBIT 0x02
pw#-_ #define SHIFTBIT 0x01
@L`jk+Y0vF #pragma data_seg("shareddata")
>sF)BoLc HHOOK hHook =NULL;
S@Y39 UINT nHookCount =0;
7nSxi+6e static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
fOHxtHM static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
5N]"~w* static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
jylD6IT static int KeyCount =0;
[?gP; , static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
QnDg6m)+ #pragma data_seg()
i@q&5;%% HINSTANCE hins;
)_:NLo: void VerifyWindow();
=%7-ZH9 BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
.X&9Q9T=# //{{AFX_MSG_MAP(CHookApp)
$j~RWfw- // NOTE - the ClassWizard will add and remove mapping macros here.
3'Rx=G' // DO NOT EDIT what you see in these blocks of generated code!
I'Hf{Erw //}}AFX_MSG_MAP
gr{ DWCK END_MESSAGE_MAP()
So6x"1B IgzQr > CHookApp::CHookApp()
3R/bz0 V> {
'R)Tn!6 // TODO: add construction code here,
NHt\
U9l' // Place all significant initialization in InitInstance
rjP/l6
~' }
0_/[k*Re lYIH/:T CHookApp theApp;
`XKLU LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
iCoX&"lb {
"tZe>>I BOOL bProcessed=FALSE;
_g8yDfcLG if(HC_ACTION==nCode)
^Pf WG* {
y7{?Ip4[ if((lParam&0xc0000000)==0xc0000000){// Key up
IBGrt^$M switch(wParam)
"MsIjSu {
@iiT< case VK_MENU:
_aphkeqd MaskBits&=~ALTBIT;
xk5]^yDp break;
#Y!a6h+ case VK_CONTROL:
VUc%4U{Cti MaskBits&=~CTRLBIT;
("@!>|H break;
}\f0 A- case VK_SHIFT:
Mt$
*a MaskBits&=~SHIFTBIT;
#Z #-Ht break;
x^ni1=kU default: //judge the key and send message
}ZI7J break;
V9vTsmo( }
hPh-+Hb for(int index=0;index<MAX_KEY;index++){
\['Cj*e k if(hCallWnd[index]==NULL)
nTas~~Q continue;
U:`Kss` if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
=I<R! ZSN {
aXVFc5C\ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
Qrv<lE1V; bProcessed=TRUE;
t1".0 }
.}t
e>]A* }
ks tIgcI
}
GdwVtqbX else if((lParam&0xc000ffff)==1){ //Key down
e.C)jv6qr switch(wParam)
x2EUr,7 {
F
[M,]? case VK_MENU:
+vH4MwG$.& MaskBits|=ALTBIT;
J,hCvm break;
mw!F{pw case VK_CONTROL:
'91/md5 MaskBits|=CTRLBIT;
`uFdwO'DD break;
{ax:RUQxy case VK_SHIFT:
/z!%d%" MaskBits|=SHIFTBIT;
oDR%\VY6T break;
\bF{-" 7. default: //judge the key and send message
H|*m$|$, break;
[
3Gf2_ }
,}PgOJZ for(int index=0;index<MAX_KEY;index++)
a#4?cEy {
bOB\--:] if(hCallWnd[index]==NULL)
}EPY^VIw continue;
_w{Qtj~s| if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
!VJoM,b8 {
Wzh`or SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
1x)J[fyId bProcessed=TRUE;
sx%[=g+<2( }
w(/S?d
}
6<]lW }
2iOV/=+ if(!bProcessed){
M+>u/fldV for(int index=0;index<MAX_KEY;index++){
3Ul*QN{6 if(hCallWnd[index]==NULL)
S!UaH>Rh continue;
3<!7>]A if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
n]9$:aLZ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
]'}L 1r }
)UR7i8]!0 }
VRMXtQ*1Dm }
E.TAbD&5( return CallNextHookEx( hHook, nCode, wParam, lParam );
pb}*\/s }
&HW9Jn KwS@D9bok BOOL InitHotkey()
tc! #wd+u {
paK2xX8E if(hHook!=NULL){
#4PN"o@ nHookCount++;
X,
n:,' return TRUE;
6'/ #+,d' }
_U( else
\85i+q:LuA hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
M-71 1|eGI if(hHook!=NULL)
#] QZ nHookCount++;
WJ#[LF!e return (hHook!=NULL);
\e;iT\=.( }
fu5=k:/c BOOL UnInit()
A&VG~r$ {
KPF1cJ2N if(nHookCount>1){
w>gYx(8b nHookCount--;
\dVOwr return TRUE;
v+XJ*N[W }
(HVGlw'` BOOL unhooked = UnhookWindowsHookEx(hHook);
vzM^$V if(unhooked==TRUE){
.]^?<bG nHookCount=0;
ueudRb hHook=NULL;
G[=c
Ss, }
pP_LR
ks} return unhooked;
b=vkiO`2 }
t_^4`dW` )pa]ui\t BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
~}P,.QQ {
&ncvGDGi BOOL bAdded=FALSE;
]G\}k for(int index=0;index<MAX_KEY;index++){
AH^/V}9H if(hCallWnd[index]==0){
w<#!h6Y= hCallWnd[index]=hWnd;
+[VXs~I
q HotKey[index]=cKey;
Psf#c:*_) HotKeyMask[index]=cMask;
kmW4:EA% bAdded=TRUE;
Y4-t7UlS; KeyCount++;
J5qZFD break;
-f .,tM= }
c)J%`i$ }
;uJMG return bAdded;
7! Nsm }
It(_v #"!<W0 BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
V!Uc( {
TOt dUO BOOL bRemoved=FALSE;
&
21%zPm for(int index=0;index<MAX_KEY;index++){
ZVBXx\{s if(hCallWnd[index]==hWnd){
KO [Yi if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
]gOy(\B hCallWnd[index]=NULL;
COlqcq'qAu HotKey[index]=0;
*@5 @,=d HotKeyMask[index]=0;
9;{CIMg& bRemoved=TRUE;
as|<}:V KeyCount--;
qX%_uOw:% break;
1zv'.uu., }
:;}P*T*PU }
?}oFg#m-<L }
la!~\wpa return bRemoved;
lxx2H1([ }
RZLq]8pM FrS]|=LJhX void VerifyWindow()
Ui~>SN>s {
@"A4$`Xi3 for(int i=0;i<MAX_KEY;i++){
oR'm2d ^ if(hCallWnd
!=NULL){ b6bHTH0
if(!IsWindow(hCallWnd)){ (QEG4&9
hCallWnd=NULL; +7Gwg
HotKey=0; @ Y+oiB~Y
HotKeyMask=0; -w2/w@&
KeyCount--; J1k>07}|
} K-v#.e4
} D*jM1w_`
} pi(m7Ci"
} Sjqpec8
Lbgi7|&
BOOL CHookApp::InitInstance() Wr
4,YQM
{ XFl6M~ c
AFX_MANAGE_STATE(AfxGetStaticModuleState()); }bxs]?OW>
hins=AfxGetInstanceHandle(); c 9Mz]1@f
InitHotkey(); 7Q 3 k7
return CWinApp::InitInstance(); Txu/{M,
} 6K^#?Bn;
BPrt'Nc
int CHookApp::ExitInstance() { 6il`>=C
{ * 4'"2"
VerifyWindow(); {7[Ox<Ho
UnInit(); Jy)/%p~
return CWinApp::ExitInstance(); $'v U2L
} F9PxSk_\9
V~GDPJ+
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file /~1+i'7V.,
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) MgZ/(X E
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ dysS9a,
#if _MSC_VER > 1000 %9"H
#pragma once [Xkx_B
#endif // _MSC_VER > 1000 _a, s
)
\bXa&Lq
class CCaptureDlg : public CDialog [^iN}Lz
{ hrk r'3lv
// Construction 203s^K61
public:
mh%VrAq
BOOL bTray; z{q`G wW
BOOL bRegistered; ).O)p9
BOOL RegisterHotkey(); KNl$3nX
UCHAR cKey; inL(X;@yo
UCHAR cMask; "]*tLL:`
void DeleteIcon(); Eci\a]
void AddIcon(); P55fL-vo|}
UINT nCount; }>\C{ClI
void SaveBmp(); kh<2BOV
CCaptureDlg(CWnd* pParent = NULL); // standard constructor 3]hWfj1m2
// Dialog Data :FF=a3/"6
//{{AFX_DATA(CCaptureDlg) ?6!LL5a.
enum { IDD = IDD_CAPTURE_DIALOG }; P}iE+Z3
CComboBox m_Key; 8ag!K*\V<
BOOL m_bControl; [E_9V%^
BOOL m_bAlt; lE;!TQj:X
BOOL m_bShift; bA 2pbjg=
CString m_Path; 9r9NxKuAO
CString m_Number; Z+SRXKQ
//}}AFX_DATA /
{%%"j
// ClassWizard generated virtual function overrides y =@N|f!
//{{AFX_VIRTUAL(CCaptureDlg) ZSw.U:ep$s
public: 6)J#OKZ
virtual BOOL PreTranslateMessage(MSG* pMsg); st*gs-8jJ;
protected: /v }`l
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support *8q.YuZ
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); +ZYn? #IQ
//}}AFX_VIRTUAL !D6]JPX
// Implementation qs6aB0ln
protected: 3|7QUld
HICON m_hIcon; %<5'=t'|-U
// Generated message map functions HW|IILFB
//{{AFX_MSG(CCaptureDlg) [
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virtual BOOL OnInitDialog();
kAx4fE[c
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); bt *k.=p
afx_msg void OnPaint(); Bvj0^fSm
afx_msg HCURSOR OnQueryDragIcon(); MD]>g>
virtual void OnCancel(); a*;b^Ze`v
afx_msg void OnAbout(); (H]AR8%W
afx_msg void OnBrowse(); yZ:qU({KhD
afx_msg void OnChange(); iso4]>LF
//}}AFX_MSG @HW*09TG
DECLARE_MESSAGE_MAP() Efe 7gE'
}; & kIFcd@
#endif :&Nbw
p_ =z#
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file AW .F3hN)
#include "stdafx.h" 0:+E-^X
#include "Capture.h" DI vHvFss
#include "CaptureDlg.h" ?%86/N>
#include <windowsx.h> w!CNRtM:~
#pragma comment(lib,"hook.lib") 6zkaOA46V
#ifdef _DEBUG B!yr!DWv
#define new DEBUG_NEW 3T
9j@N77
#undef THIS_FILE -&f$GUTJ
static char THIS_FILE[] = __FILE__; |{;G2G1[
#endif
lr?;*f^3
#define IDM_SHELL WM_USER+1 SuznN
L=/$
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); Cw%{G'O
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); j pOp.
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; PFR:>^wK2
class CAboutDlg : public CDialog 0V]s:S
{ l%ZhA=TKQ
public: tkhCw/
CAboutDlg(); !wNO8;(
// Dialog Data l2d{ 73h
//{{AFX_DATA(CAboutDlg) ToQ"Iy?
enum { IDD = IDD_ABOUTBOX }; u-TUuP
//}}AFX_DATA a?.=V
// ClassWizard generated virtual function overrides @;kSx":b
//{{AFX_VIRTUAL(CAboutDlg) |}1dFp
protected: hph4 `{T
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support h![#;>(
//}}AFX_VIRTUAL Jwp7gYZ
// Implementation 'S~5"6r
protected: ~
1 pr~
//{{AFX_MSG(CAboutDlg) (t.Nk[
//}}AFX_MSG x"(KBEK~
DECLARE_MESSAGE_MAP() edV\-H5<
}; +V+a4lU14
E9}C #
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) zQA`/&=Y
{ zzz3Bq~
//{{AFX_DATA_INIT(CAboutDlg) 07)yG:q*x
//}}AFX_DATA_INIT
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} DMS!a$4
*H122njH+T
void CAboutDlg::DoDataExchange(CDataExchange* pDX) F/Pep?'
{ _U0f=m
CDialog::DoDataExchange(pDX); 1}37Q&2
//{{AFX_DATA_MAP(CAboutDlg) M;NX:mX9
//}}AFX_DATA_MAP 6RM/GM
} Ie^l~Gb
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) __@BUK{ q
//{{AFX_MSG_MAP(CAboutDlg) YP9^Bp{0
// No message handlers 9cgUT@a
//}}AFX_MSG_MAP zJXplvaL;
END_MESSAGE_MAP() C>~TI,5a3
/> Nt[o[r
CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) xpI wrJO
: CDialog(CCaptureDlg::IDD, pParent) P$sxr
{ {T8Kk)L
//{{AFX_DATA_INIT(CCaptureDlg) m68*y;#
m_bControl = FALSE; zVD:#d%b
m_bAlt = FALSE; Ug`djIL
m_bShift = FALSE; ^&)|sP
m_Path = _T("c:\\"); b2]Kx&!
m_Number = _T("0 picture captured."); bfO=;S]b!
nCount=0; `kr?j:g
bRegistered=FALSE; a>)f=uS
bTray=FALSE; w:l"\Tm
//}}AFX_DATA_INIT <or2
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 \f)#>+X-
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 6,uX,X5
} ?8 {"x8W;
3[&C g
void CCaptureDlg::DoDataExchange(CDataExchange* pDX) .G^YqJ 4
{ h1{3njdr
CDialog::DoDataExchange(pDX); Ha ]YJ}
//{{AFX_DATA_MAP(CCaptureDlg) 5?L<N:;J_
DDX_Control(pDX, IDC_KEY, m_Key); KU;9}!#
DDX_Check(pDX, IDC_CONTROL, m_bControl); d1kJRJ
DDX_Check(pDX, IDC_ALT, m_bAlt); Nluoqoac
DDX_Check(pDX, IDC_SHIFT, m_bShift); X@f}Q`{Ymj
DDX_Text(pDX, IDC_PATH, m_Path); 2[CdZ(k]5
DDX_Text(pDX, IDC_NUMBER, m_Number); smLQS+UE
//}}AFX_DATA_MAP *j-aXN/ $
} vI]N^j2%
_~pbqa,
BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) 5PW^j\G-f
//{{AFX_MSG_MAP(CCaptureDlg) rGkyGz8>
ON_WM_SYSCOMMAND() c)tfAD(N8x
ON_WM_PAINT() Kg$Mx
ON_WM_QUERYDRAGICON() `W-Fssu
ON_BN_CLICKED(ID_ABOUT, OnAbout) N<-Gk6`C/
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) T)})
pt!V
ON_BN_CLICKED(ID_CHANGE, OnChange) `lPfb[b
//}}AFX_MSG_MAP ipILG4
END_MESSAGE_MAP() :L;a:xSpn=
"\=U)CJ
BOOL CCaptureDlg::OnInitDialog() "vGW2~*)
{ D-4f.Tq4#
CDialog::OnInitDialog(); JLi|Td"1%
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ty`DJO=Omj
ASSERT(IDM_ABOUTBOX < 0xF000); j=J/x:w_e
CMenu* pSysMenu = GetSystemMenu(FALSE); ?rIx/>C9
if (pSysMenu != NULL) g ci
{ 0^ibNiSP
CString strAboutMenu; '\GbmD^F
strAboutMenu.LoadString(IDS_ABOUTBOX); v}x&?fU `
if (!strAboutMenu.IsEmpty()) G9:l'\
{ LDD|(KLR*.
pSysMenu->AppendMenu(MF_SEPARATOR); UDni]P!E
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); l+R+&b^
} y Wya&|D9
} BUR*n;V`
SetIcon(m_hIcon, TRUE); // Set big icon QIgNsz
SetIcon(m_hIcon, FALSE); // Set small icon _[y/Y\{I
m_Key.SetCurSel(0); '7@R7w!E4H
RegisterHotkey(); :eg4z )
CMenu* pMenu=GetSystemMenu(FALSE); )Wox Mmz
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); %[yJ4WL
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); 9S -9.mvop
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); Q^(b)>?r;
return TRUE; // return TRUE unless you set the focus to a control X$pJ
:M{F$
} 7=DdrG<
>U3cTEs cj
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) n}V_,:Z
{ `KQvJjA6
if ((nID & 0xFFF0) == IDM_ABOUTBOX) |W\(kb+
{ `#gie$B{
CAboutDlg dlgAbout; ##o#eZq:"
dlgAbout.DoModal(); ow#1="G,=
} 42{:G8
else ; Hd7*`$
{ ,1##p77.
CDialog::OnSysCommand(nID, lParam); N"1B/u
} +@:x!q|^
} p"Z-6m~
eN~=*Mn(za
void CCaptureDlg::OnPaint() 3{h_&Gbo'D
{ !L8#@BjU
if (IsIconic()) $pudoAO
{ ~!3r&(
CPaintDC dc(this); // device context for painting PzR[KUK
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 9$m|'$p3sG
// Center icon in client rectangle p6WX9\qS(
int cxIcon = GetSystemMetrics(SM_CXICON); 6i*sm.SDw
int cyIcon = GetSystemMetrics(SM_CYICON); 4,0{7MLgK
CRect rect; -)/$M(Pu"
GetClientRect(&rect); FkRo
_?
int x = (rect.Width() - cxIcon + 1) / 2; wuqJr:q*#
int y = (rect.Height() - cyIcon + 1) / 2; }#E[vRf
// Draw the icon G/mXq-
dc.DrawIcon(x, y, m_hIcon); `V3Fx{
} 4NIRmDEd
else S@ f9c
{ Y]5l.SV
CDialog::OnPaint(); Zsh9>]ML
} Pco'l#:
} v 6Vcjm
v]c6R-U
HCURSOR CCaptureDlg::OnQueryDragIcon() /^|Dbx!u
{ $DUZ!zaH!
return (HCURSOR) m_hIcon;
4YX3+oS
} 7`hP?a=
=6#Eh=7N
void CCaptureDlg::OnCancel() IyPnp&_
{ F.v{-8GV
if(bTray) 1&o|TT/
DeleteIcon(); a+PzI x2
CDialog::OnCancel(); hDq`Z$_+KX
}
0nD/;\OU
tlt*fH$.
void CCaptureDlg::OnAbout() ED&
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{ /Qk4
CAboutDlg dlg; kn"(A.R
dlg.DoModal(); t@Nyr&|D
} C=4Qlt[`
,<p}o\6
void CCaptureDlg::OnBrowse() .q 3/_*
{ wuJ4kW$
CString str; ;{o|9x|
BROWSEINFO bi; q8Z<{#oXu
char name[MAX_PATH]; +XYE {E5
ZeroMemory(&bi,sizeof(BROWSEINFO)); ")HFYqP>9
bi.hwndOwner=GetSafeHwnd(); ~<OSYb
bi.pszDisplayName=name; #`X?=/q
bi.lpszTitle="Select folder"; ApXy=?fc
bi.ulFlags=BIF_RETURNONLYFSDIRS; f8.gT49I
LPITEMIDLIST idl=SHBrowseForFolder(&bi); G<^{&E+=
if(idl==NULL) H1(Uw:V8
return; q\527^ZM
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); LAe6`foW/
str.ReleaseBuffer(); 4 vV:EF-
m_Path=str; !o[7wKrXb
if(str.GetAt(str.GetLength()-1)!='\\') d6sye^P
m_Path+="\\"; {Fe[:\
UpdateData(FALSE); -{vKus
} +V^;.P</
oD1/{dRzj
void CCaptureDlg::SaveBmp() [bNx^VP*
{ bB;5s`-
CDC dc; r!a3\ep
dc.CreateDC("DISPLAY",NULL,NULL,NULL); H_<C!OgR
CBitmap bm; qH 6>!=00
int Width=GetSystemMetrics(SM_CXSCREEN); L4|`;WP
int Height=GetSystemMetrics(SM_CYSCREEN); Z@@K[$
bm.CreateCompatibleBitmap(&dc,Width,Height); fn6J*[`
CDC tdc; }t1a*z
tdc.CreateCompatibleDC(&dc);
}sO&. ME
CBitmap*pOld=tdc.SelectObject(&bm); \K]0JH
tdc.BitBlt(0,0,Width,Height,&dc,0,0,SRCCOPY); FzXJ]H
tdc.SelectObject(pOld); g]yBA7/S"
BITMAP btm; yU}qOgXx
bm.GetBitmap(&btm); 8d-t|HkN
DWORD size=btm.bmWidthBytes*btm.bmHeight; %lGfAYEM=
LPSTR lpData=(LPSTR)GlobalAllocPtr(GPTR,size); U\<?z Dw
BITMAPINFOHEADER bih; PO7Lf#9]
bih.biBitCount=btm.bmBitsPixel; /mu*-,aeX
bih.biClrImportant=0; "djw>|,N<
bih.biClrUsed=0; tlp@?(u
bih.biCompression=0; 3az&