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:
[ r<0[
1MPn{#Ff 一、实现方法
J"$Y`; x1O]@Z{d\ 热键管理DLL实际上是一个键盘钩子,由它来监视系统的键盘事件。如果有和程序登记符合的按键组合就通知该程序的窗口。为了应用方便,本实例把它做成了一个标准的管理库来为其它的程序通过热键服务,它有两个输出函数:AddHotkey()和DeleteHotkey(),程序只需要调用这两个函数就可以了,如果编译之后不用改变热键,则只需要AddHotkey就可以了。DLL中的所有的全局变量都放在一个共享段中,定义如下:
M[= #%U3*N !eC]=PoY #pragma data_seg("shareddata")
O>M4%p HHOOK hHook =NULL; //钩子句柄
<hv {,1p-r UINT nHookCount =0; //挂接的程序数目
aANzL static UCHAR HotKey[MAX_KEY] = {0}; //热键虚拟键码
!&f>,?wlP static UCHAR HotKeyMask[MAX_KEY] = {0}; //组合掩码, control=4,alt=2,shift=1
(2l?~CaK static HWND hCallWnd[MAX_KEY] = {0}; //window handle associated with hotkey
@hG]Gs[,o static int KeyCount =0;
;bMmJ>[l- static UCHAR MaskBits =0; //00000 Ctrl=4 & Alt=2 & Shift=1
`{B<|W$= #pragma data_seg()
W]-c`32~S vJ a?5Jr 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。
*#| lhf' VGVb3@ 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:
ImG7E
w jgyXb5GY BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR
skeXsls cKey,UCHAR cMask)
H!81Pq~ {
V49[XX BOOL bAdded=FALSE;
p(8[n^~,i for(int index=0;index<MAX_KEY;index++){
6a%dq"5 + if(hCallWnd[index]==0){
FRR`<do5$, hCallWnd[index]=hWnd;
{
ML)F ]] HotKey[index]=cKey;
}u
`~lw(Z HotKeyMask[index]=cMask;
;+Mee^E>! bAdded=TRUE;
%
k}+t3aF KeyCount++;
X%lk] &2 break;
)_H>d<di }
-Z<V?SFOK }
s~)I1G return bAdded;
Q$B\)9`v[ }
AnD#k] //删除热键
#
VAL\Z BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
<W2YG6^i {
dJf#j?\[ BOOL bRemoved=FALSE;
O V+|j for(int index=0;index<MAX_KEY;index++){
@@QB,VS;{< if(hCallWnd[index]==hWnd){
6$ \69
if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
^*@D%U hCallWnd[index]=NULL;
4*Y`Pn@ HotKey[index]=0;
0%b!ARix HotKeyMask[index]=0;
[Q:C\f] bRemoved=TRUE;
KrzIL[;2o KeyCount--;
l(j._j~p break;
j}F;Bfq! }
'0tNo.8K }
}P(<]UF }
0/~20 KD{s return bRemoved;
!gX(Vh*k }
DFvj D:DtP6 FC&841F DLL中的钩子函数如下:
}u&,;] 8oxYgj&~X LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
ig}H7U2q@ {
rT/4w#_3 BOOL bProcessed=FALSE;
8HxtmFqG if(HC_ACTION==nCode)
pY"&=I79tb {
&3~_9+ if((lParam&0xc0000000)==0xc0000000){// 有键松开
;]A:(HSZj switch(wParam)
U+7!Vpq {
C<"b99\2` case VK_MENU:
\1[v-hvK MaskBits&=~ALTBIT;
)ipTm{ break;
AY)R2>
fW% case VK_CONTROL:
z.6I6IfL\L MaskBits&=~CTRLBIT;
j@778fvM\t break;
0J5IO|1M case VK_SHIFT:
p/4}SU MaskBits&=~SHIFTBIT;
Q?WgGE4> break;
v_L?n7c default: //judge the key and send message
'ngx\Lr break;
7a5G,C#QQ }
UkzLUok]U for(int index=0;index<MAX_KEY;index++){
.J fV4!=o if(hCallWnd[index]==NULL)
\ x>#bql+ continue;
227 Z6#CF! if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
3Jj 3!aDB {
G}NT[ SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
hY}.2 bProcessed=TRUE;
VcpN
PU6 }
_a&Mk }
<v+M ~"%V }
OtD!@GQ6 else if((lParam&0xc000ffff)==1){ //有键按下
F0 ^kUyF| switch(wParam)
E
As1
= {
A>Y!d9]ti case VK_MENU:
0?/vcsO MaskBits|=ALTBIT;
dePI&z: break;
LvbS") case VK_CONTROL:
?I}0[+)V MaskBits|=CTRLBIT;
NWt5)xl break;
Ou,Eu05jt' case VK_SHIFT:
& 8'QD~ MaskBits|=SHIFTBIT;
aX,ux9# break;
k`;&?? default: //judge the key and send message
O od?ifA break;
l~j{i/> }
GkYD:o=qx for(int index=0;index<MAX_KEY;index++){
`bMwt?[* if(hCallWnd[index]==NULL)
S/H!a:_5r continue;
3lo.YLP^ if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
(8d"G9R( {
J]mq|vE SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
/aX#j`PrH bProcessed=TRUE;
|\] _u 3 }
vm4q1!!( }
/Zm5fw9 }
YdiXj |k+ if(!bProcessed){ //一般按键事件,为监视键盘的程序留出余地
HP
G*o for(int index=0;index<MAX_KEY;index++){
g)UYpi?p-} if(hCallWnd[index]==NULL)
3X]\p}]z continue;
d`ESe'j: if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
6j5?&)xJ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
g4=6\vg //lParam的意义可看MSDN中WM_KEYDOWN部分
&Rxy]kBA }
* u{CnH }
:^*9Eb }
M-+pYv#&P return CallNextHookEx( hHook, nCode, wParam, lParam );
~vv\A5O[| }
QJKVNOo mvrg!/0w 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:
Yh9fIRR D`fi\A BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
.BqSE BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
&Dw8GU}1 ?~fuMy B 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:
n3LCQ:]Tf xK;WJm" LRESULT CCaptureDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
bWOn`#+& {
=sa bJsgL if(message==WM_HOTKEY&&lParam==WM_KEYDOWN)
dt=5 Pnf[y {
mbCY\vEl //lParam表示是按下还是松开,如果有多个热键,由wParam来区分
2%oo.?!R SaveBmp();
m(c5g[6nO return FALSE;
pGh A }
3t^r;b …… //其它处理及默认处理
L?~-<k }
j_Z"= ^d[s*,i? $IB>a 将屏幕图像保存到BMP文件中的任务是由函数SaveBmp()来完成的,具体实现参见代码部分。另外为了顺利实现屏幕抓图,程序中还实现了"托盘"功能,由于这一部分本书在实例中已经专门介绍过了,所以不再赘述,读者朋友可以参考相关实例。
6D n[9V +(9qAB7 最后需要提醒读者朋友们注意的是,源程序的编译与使用时要先编译hook.dll并将其放在系统目录(win2000/NT是system32,98/ME是system),然后编译对话框程序运行即可。
KtY_m`DY4R ecl$z6'c 二、编程步骤
ee5QZ, 8`j;v>2 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";
DGllJ_/Z u%`4;|tI
2、 在"Hook"项目中导出AddHotkey()、DeleteHotkey()函数;
S/l?wwD 2(Ez
H 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;
=|G l glvtumv 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;
Tl ?]K U3zwC5}BN 5、 添加代码,编译运行程序。
3cztMi ?]bZ6|;2 三、程序代码
%}%vey d,0Yi
u.p ///////////////////////////////////// Hook.h : main header file for the HOOK DLL
Mb#-I
GZ #if !defined(AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_)
l<l6Ey( #define AFX_HOOK_H__AEBFF705_C93A_11D5_B7D6_0080C82BE86B__INCLUDED_
eE'2B."F #if _MSC_VER > 1000
"0yO~;a #pragma once
kb>/R/,9 #endif // _MSC_VER > 1000
beM}({:` #ifndef __AFXWIN_H__
]\Tcy [5 #error include 'stdafx.h' before including this file for PCH
!b+/zXp3I #endif
{}TR'Y4 #include "resource.h" // main symbols
R0v5mD$:G class CHookApp : public CWinApp
z9#iU>@ {
1*!`G5c,} public:
{Noa4i CHookApp();
ua-cX3E // Overrides
(8*& 42W // ClassWizard generated virtual function overrides
G()- NJ{ //{{AFX_VIRTUAL(CHookApp)
aH1mW;,1u public:
fGD#|a;, virtual BOOL InitInstance();
b1A8 -![ virtual int ExitInstance();
Zk.LG Yz //}}AFX_VIRTUAL
'nFqq:2Xa //{{AFX_MSG(CHookApp)
ZJxUv
{J // NOTE - the ClassWizard will add and remove member functions here.
@I '_ // DO NOT EDIT what you see in these blocks of generated code !
%kg%ttu7 //}}AFX_MSG
7TC=$y , DECLARE_MESSAGE_MAP()
#sq$i };
_=.f+1W LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam, LPARAM lParam);
3Hli^9&OX_ BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask);
^BruRgc+ BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask);
~X/1% BOOL InitHotkey();
Z ?{;|Z5 BOOL UnInit();
b%fn1Ag9 #endif
B0KZdBRx} mt+IB4` //////////////////////////////////////// Hook.cpp : Defines the initialization routines for the DLL.
0O,l
rF0 ' #include "stdafx.h"
4ZK8Y[]Lv #include "hook.h"
54 Baz #include <windowsx.h>
xM/B"SG2 #ifdef _DEBUG
i7fQj,
q #define new DEBUG_NEW
poqx
O #undef THIS_FILE
Jz!8Xg%a static char THIS_FILE[] = __FILE__;
n~#%>C7 #endif
9W{=6D86e #define MAX_KEY 100
}lk_Oe1 #define CTRLBIT 0x04
8W]6/st?] #define ALTBIT 0x02
pOCLyM9c #define SHIFTBIT 0x01
ueiXY| #pragma data_seg("shareddata")
Q`Q%;%t HHOOK hHook =NULL;
8-?.Q"D7% UINT nHookCount =0;
lglC1W-q static UCHAR HotKey[MAX_KEY] = {0}; //hotkey
<.0-K_ static UCHAR HotKeyMask[MAX_KEY] = {0}; //flag for hotkey, value is VK_CONTRL or VK_NEMU or VK_SHIFT
%s;#epP$ static HWND hCallWnd[MAX_KEY] = {0}; //window associated with hotkey
*:q3<\y{ static int KeyCount =0;
Yd4J: static UCHAR MaskBits =0; //00000 Ctrl Alt Shift
_M/ckv1q@ #pragma data_seg()
D-/K'|b HINSTANCE hins;
6BihZ|H04 void VerifyWindow();
/.<T^p@\& BEGIN_MESSAGE_MAP(CHookApp, CWinApp)
vMiZ:*iaj@ //{{AFX_MSG_MAP(CHookApp)
Bf;dp`(/ // NOTE - the ClassWizard will add and remove mapping macros here.
[lqwzW{(UN // DO NOT EDIT what you see in these blocks of generated code!
'*5I5'[ X, //}}AFX_MSG_MAP
LFCcV<~ END_MESSAGE_MAP()
3%]%c6 $/aZ/O)F CHookApp::CHookApp()
xq2{0q {
^G+1nY4?J // TODO: add construction code here,
x?:[:Hf // Place all significant initialization in InitInstance
}jM&GH1 }
-bo5/`x eU"!X9 CHookApp theApp;
jmbwV,@Q2 LRESULT CALLBACK KeyboardProc(int nCode,WPARAM wParam,LPARAM lParam)
(KDUX
t. {
Tw< N BOOL bProcessed=FALSE;
`/:ZB6 if(HC_ACTION==nCode)
#7IM#tc@ {
G}d-L!YbE' if((lParam&0xc0000000)==0xc0000000){// Key up
[lpzUB}<Yp switch(wParam)
.$/Su3]K/ {
~n$VCLa case VK_MENU:
fPf8hz> MaskBits&=~ALTBIT;
ca@0?q# break;
6.},y<E case VK_CONTROL:
}&)X4= MaskBits&=~CTRLBIT;
8.
[TPiUn' break;
A@BYd'}] case VK_SHIFT:
hBf0kl MaskBits&=~SHIFTBIT;
Fu0 dYN break;
NKD<VMcqw default: //judge the key and send message
:?s~,G_*l break;
Gpws_jw }
QCFLi n+r for(int index=0;index<MAX_KEY;index++){
`Nn=6[] if(hCallWnd[index]==NULL)
05mjV6j7m continue;
%O`e!p if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
#Jv|zf5Z {
nc#}-}`5 SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYUP);
s
l|n]#) bProcessed=TRUE;
Amf
gc>eJ }
tr6<89e(o }
r#^/qs(~ }
P#(BdKjM else if((lParam&0xc000ffff)==1){ //Key down
GndU}[0J switch(wParam)
n0_q-8r {
R _WP r[P case VK_MENU:
CfKvC MaskBits|=ALTBIT;
*Ppb; break;
eXY*l>B case VK_CONTROL:
9kmkF, MaskBits|=CTRLBIT;
>M{=qs break;
Bb2;zOGdA case VK_SHIFT:
XBE+O7 MaskBits|=SHIFTBIT;
=X[]0.I% break;
j:# wt70 default: //judge the key and send message
`9BZ))Pg break;
V9*Z }
VMPBM:kG for(int index=0;index<MAX_KEY;index++)
?IR]y-r {
,U+y)w]ar if(hCallWnd[index]==NULL)
/E F0~iy continue;
SFVOof#s if(IsWindow(hCallWnd[index])&&(HotKey[index]==wParam)&&(HotKeyMask[index]==MaskBits))
~Rd,jfx {
3 f=_F SendMessage(hCallWnd[index],WM_HOTKEY,wParam,WM_KEYDOWN);
.UF]( bProcessed=TRUE;
@: u> }
YvD+Lk' hm }
T
22tZp }
FES_:?.0 if(!bProcessed){
v#1}(
hb for(int index=0;index<MAX_KEY;index++){
h+)XLs if(hCallWnd[index]==NULL)
TbqH-R3W continue;
^'j? {@ if(IsWindow(hCallWnd[index])&&(HotKey[index]==0)&&(HotKeyMask[index]==0))
]n9o=^q/ SendMessage(hCallWnd[index],WM_HOTKEY,WM_HOTKEY,lParam);
C7#ji"t }
)[&'\SOO }
ocCq$%Ka }
2Wwzcvs@ return CallNextHookEx( hHook, nCode, wParam, lParam );
U.]5UP:a }
JDcc`&`M e 4- BOOL InitHotkey()
NUBf>~_} {
-j1?lY if(hHook!=NULL){
Vmq:As^a nHookCount++;
l"70|~ return TRUE;
w U".^
+ }
8aDhHXI else
s8L=:hiSf) hHook=SetWindowsHookEx(WH_KEYBOARD,(HOOKPROC)KeyboardProc,hins,0);
32nB9[l if(hHook!=NULL)
a *?bnw? nHookCount++;
nBw4YDR! return (hHook!=NULL);
{~J'J $hn8 }
coa+@g,w7# BOOL UnInit()
t5:
1' N9P {
d:C|laZHn if(nHookCount>1){
1t&LNIc|^ nHookCount--;
a6\0XVU return TRUE;
N 4Kj)E@ }
2d),*Cvf BOOL unhooked = UnhookWindowsHookEx(hHook);
nn[OC=cDN if(unhooked==TRUE){
?=zF]J:G1w nHookCount=0;
A[W3.$s hHook=NULL;
h9<*+T }
6Ih8~Hu return unhooked;
L'(ei7Z }
7i-G5%w7 \ZN> 7?Vs BOOL __declspec(dllexport) __stdcall AddHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
ncw)VH;_- {
SI_u0j4%* BOOL bAdded=FALSE;
uG-t)pej for(int index=0;index<MAX_KEY;index++){
vmEbk/Vy if(hCallWnd[index]==0){
{A<pb{<u hCallWnd[index]=hWnd;
fXNl27c- HotKey[index]=cKey;
yN-o?[o HotKeyMask[index]=cMask;
X5[.X()M4 bAdded=TRUE;
v\&C]W] KeyCount++;
"[A]tklP break;
^j~CYzmt }
=CBY_ }
MZJ@qIg[Y return bAdded;
}eKY%WU>O }
TS2zzYE6Z ;iA6[uz BOOL __declspec(dllexport) __stdcall DeleteHotkey(HWND hWnd,UCHAR cKey,UCHAR cMask)
) W,tL*9[ {
m9~cQ!m BOOL bRemoved=FALSE;
6:\0=k5 for(int index=0;index<MAX_KEY;index++){
PB[Y^q if(hCallWnd[index]==hWnd){
LtrE;+%2oz if(HotKey[index]==cKey&&HotKeyMask[index]==cMask){
ENoGV;WG hCallWnd[index]=NULL;
-/^a2_d[ HotKey[index]=0;
[f ._w~ HotKeyMask[index]=0;
3[_zz;Y*d bRemoved=TRUE;
HNXMM KeyCount--;
%?2:1o break;
Q[rmsk2L' }
PMOyZ3 }
YCBp]xuE }
{3)^$F=T return bRemoved;
!H)Cua) }
]2zzY::Sd= d2\#Zlu< void VerifyWindow()
oGIh:n7 q+ {
Nqy)jfyex for(int i=0;i<MAX_KEY;i++){
)By#({O if(hCallWnd
!=NULL){ M\m6|P
if(!IsWindow(hCallWnd)){ ,a6Oi=+>/U
hCallWnd=NULL; b=87k
HotKey=0; 9nGS"E l{
HotKeyMask=0; PiL[&_8g
KeyCount--; `8x.Mv
} -F->l5
} 2)-V\:;js
} V1l9T_;f
} K>a@AXC
bM@8[&ta
BOOL CHookApp::InitInstance() Ca]V%g(
{ Aq]*$s2\G
AFX_MANAGE_STATE(AfxGetStaticModuleState()); @Z+(J:Grm5
hins=AfxGetInstanceHandle(); [D$%LR X
InitHotkey(); vx7wW<e%D
return CWinApp::InitInstance(); e&k=fV
} =6YffXa_s
w *Txc}
int CHookApp::ExitInstance() [}*xxy
{ 0?80V'
VerifyWindow(); ;NoD4*
UnInit(); fkHCfcU
return CWinApp::ExitInstance(); }57d3s
} bVgmjt2&>
E9N.b.Q)
////////////////////////////////////////////////////////////////////// CaptureDlg.h : header file *B*dWMh
#if !defined(AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_) -|cB7P
#define AFX_CAPTUREDLG_H__97B51708_C928_11D5_B7D6_0080C82BE86B__INCLUDED_ !'5t(Zw5
#if _MSC_VER > 1000 c}u`L6!I3
#pragma once ^2f2g>9j_C
#endif // _MSC_VER > 1000 )O:T\{7+
#cCR\$-~
class CCaptureDlg : public CDialog <jz\U7TBf
{ be+]kp
// Construction yN/Uyhq
public: i
w(4!,4~
BOOL bTray; E|9'{3$
BOOL bRegistered; w8KVs\/
BOOL RegisterHotkey(); nW"ml$
UCHAR cKey; sry`EkS
UCHAR cMask; Om,M8!E
void DeleteIcon(); 5^0K5R6GQf
void AddIcon(); #J w\pOn
UINT nCount; (X|`|Y
void SaveBmp(); S(NUuu}S
CCaptureDlg(CWnd* pParent = NULL); // standard constructor VT:m!<^
// Dialog Data b&g`AnYT
//{{AFX_DATA(CCaptureDlg) kN8?.V%Utw
enum { IDD = IDD_CAPTURE_DIALOG }; 8]2j*e0xV
CComboBox m_Key; ^`f( Pg!
BOOL m_bControl; wK*b2r}0/
BOOL m_bAlt; 0(h'ZV
BOOL m_bShift; ,\CG}-v@CN
CString m_Path; (
L ]C
CString m_Number; )BX-Y@fpA
//}}AFX_DATA uzO3 _.4Y
// ClassWizard generated virtual function overrides ~=Q|EhF5
//{{AFX_VIRTUAL(CCaptureDlg) m2r%m
y
public: 41s [p56+@
virtual BOOL PreTranslateMessage(MSG* pMsg); *nYb9.T]i
protected: O8<@+xlX
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
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virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); N1l&$#Fr!s
//}}AFX_VIRTUAL *{%d{x}l
// Implementation $g @-WNe
protected: xA#'%|"
HICON m_hIcon;
gU%R9
// Generated message map functions fs3jPHZJ#
//{{AFX_MSG(CCaptureDlg) R) 'AI[la
virtual BOOL OnInitDialog(); ;FH_qF`.
afx_msg void OnSysCommand(UINT nID, LPARAM lParam); i9B1/?^W&
afx_msg void OnPaint(); 5Vu@gRk_
afx_msg HCURSOR OnQueryDragIcon(); a"pejW`m
virtual void OnCancel(); 15U[F0b
afx_msg void OnAbout(); `7o(CcF6H
afx_msg void OnBrowse(); k_A
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afx_msg void OnChange(); )u}My Fl.
//}}AFX_MSG !vwx0
DECLARE_MESSAGE_MAP() >G<.^~o
}; ,].S~6IM
#endif RXWS,rF
\*x=q20
////////////////////////////////////////////////////////////// CaptureDlg.cpp : implementation file =2tl149m/z
#include "stdafx.h" &-B&s.,kj
#include "Capture.h" Q!(qL[o
#include "CaptureDlg.h" (.J8Q
#include <windowsx.h> m=e#1Hs
#pragma comment(lib,"hook.lib") C+<z;9`
#ifdef _DEBUG 63Dm{
2i}F
#define new DEBUG_NEW +ug[TV
#undef THIS_FILE I]B[H6
static char THIS_FILE[] = __FILE__; 0ofl,mXW
#endif t^(#~hx
#define IDM_SHELL WM_USER+1 1Yb9ILX[J
BOOL __declspec(dllexport)__stdcall AddHotkey(HWND,UCHAR key,UCHAR mask); BdYl
sYp
BOOL __declspec(dllexport)__stdcall DeleteHotkey(HWND,UCHAR key,UCHAR mask); > qDHb'
UCHAR Key_Table[]={0x78,0x79,0x7a,0x7b,0x6a,0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; "YQ%j+
class CAboutDlg : public CDialog eK_Yt~dj
{ p}{V%!`_
public: !tr
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CAboutDlg(); .0H!B#9
// Dialog Data /`YbHYNF[
//{{AFX_DATA(CAboutDlg) 8C4=f
enum { IDD = IDD_ABOUTBOX }; O,A}p:Pgs
//}}AFX_DATA l0g`;BI_
// ClassWizard generated virtual function overrides wG2-,\:
//{{AFX_VIRTUAL(CAboutDlg) Q{))+'s2h
protected: 'h~I#S4!
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support EHC^ [5
//}}AFX_VIRTUAL z6
A`/ jF}
// Implementation $v*0\O
protected: j9IeqlL
//{{AFX_MSG(CAboutDlg) b/Q\
.!
//}}AFX_MSG WKB@9Vfju
DECLARE_MESSAGE_MAP() eV x
&S a
}; #Ies
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9e xHR&>{
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) i@|.1dWh
{ xgQ]#{tG
//{{AFX_DATA_INIT(CAboutDlg) | Sf` Cs
//}}AFX_DATA_INIT ^FZ7)T
} t1h2ibO
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void CAboutDlg::DoDataExchange(CDataExchange* pDX) {cF>,T
{ `9yR,Xk=l
CDialog::DoDataExchange(pDX); Z<t(h=?
//{{AFX_DATA_MAP(CAboutDlg) fqgm`4>
//}}AFX_DATA_MAP 6opubI<
} B,dHhwO*l
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) p<9e5`&I
//{{AFX_MSG_MAP(CAboutDlg) Y><")% Q
// No message handlers 1>1ii
//}}AFX_MSG_MAP *;I F^u1
END_MESSAGE_MAP() >RMp`HxDf
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CCaptureDlg::CCaptureDlg(CWnd* pParent /*=NULL*/) )xMP
: CDialog(CCaptureDlg::IDD, pParent) 8;r7ksE~
{ Q,
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//{{AFX_DATA_INIT(CCaptureDlg) >5|;8v-r
m_bControl = FALSE; x#
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m_bAlt = FALSE; A t#'q>Dn
m_bShift = FALSE; V^^nJs
tV
m_Path = _T("c:\\"); `Wf)qMb
m_Number = _T("0 picture captured."); Nu%JI6&R
nCount=0; |UO&18Y7-
bRegistered=FALSE; h c9?z}
bTray=FALSE; V,@Y,
//}}AFX_DATA_INIT T'TxC)
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 BkTGH.4G%
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); fP9k(mQX
} fDa$TbhjI
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void CCaptureDlg::DoDataExchange(CDataExchange* pDX) g}hR q%
{ qt#a_F*rV
CDialog::DoDataExchange(pDX); Y=6b oT
//{{AFX_DATA_MAP(CCaptureDlg) K)`\u7Bu
DDX_Control(pDX, IDC_KEY, m_Key); Jc#()4
DDX_Check(pDX, IDC_CONTROL, m_bControl); %Jr6pmc
DDX_Check(pDX, IDC_ALT, m_bAlt); = +uUWJ&1G
DDX_Check(pDX, IDC_SHIFT, m_bShift); ?+bDFM}
DDX_Text(pDX, IDC_PATH, m_Path); [-bT_X
DDX_Text(pDX, IDC_NUMBER, m_Number); vG<JOxP
//}}AFX_DATA_MAP >iCkvQ
} Qs*6wF
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BEGIN_MESSAGE_MAP(CCaptureDlg, CDialog) rl,6ru
//{{AFX_MSG_MAP(CCaptureDlg) :_qgpE<
ON_WM_SYSCOMMAND() >Tm|}\qEb
ON_WM_PAINT() AwKxt'()^
ON_WM_QUERYDRAGICON() t*? CD.S
ON_BN_CLICKED(ID_ABOUT, OnAbout) 82X}@5o2
ON_BN_CLICKED(IDC_BROWSE, OnBrowse) Q.Kr;64G
ON_BN_CLICKED(ID_CHANGE, OnChange) srN>pO8u~
//}}AFX_MSG_MAP S>]Jc$
END_MESSAGE_MAP() cXJtNW@
"DFj4XKXY9
BOOL CCaptureDlg::OnInitDialog() tN5brf
{ Rp 2~d
CDialog::OnInitDialog(); Y.Er!(pz
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); jnK8
[och
ASSERT(IDM_ABOUTBOX < 0xF000); kd9GHN;7
CMenu* pSysMenu = GetSystemMenu(FALSE); Ge|& H]W
if (pSysMenu != NULL) 1{-W?n
{ _cZ`7]Z
CString strAboutMenu; s'V8PN+-
strAboutMenu.LoadString(IDS_ABOUTBOX); up~l4]b+
if (!strAboutMenu.IsEmpty()) X`ifjZ9}d
{ t:X[Blw3$
pSysMenu->AppendMenu(MF_SEPARATOR); GLe(?\Ug=
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); )y7SkH|
} AUnRr +o
} [G/q*a:K
SetIcon(m_hIcon, TRUE); // Set big icon sq_N!
SetIcon(m_hIcon, FALSE); // Set small icon eXa a'bTx
m_Key.SetCurSel(0); GRC=G&G
RegisterHotkey(); sg(L`P
CMenu* pMenu=GetSystemMenu(FALSE); H7e/6t<x
pMenu->DeleteMenu(SC_MAXIMIZE,MF_BYCOMMAND); <%JRZYZ
pMenu->DeleteMenu(SC_SIZE,MF_BYCOMMAND); d0b--v/
pMenu->DeleteMenu(SC_RESTORE,MF_BYCOMMAND); xw5E!]~D
return TRUE; // return TRUE unless you set the focus to a control ?wps_XU
} lHpo/R:
U4_<
void CCaptureDlg::OnSysCommand(UINT nID, LPARAM lParam) *HmL8c
{ C.{*|#&GAt
if ((nID & 0xFFF0) == IDM_ABOUTBOX) %8kbX
{ qFV=Pk
CAboutDlg dlgAbout; =L$};ko
dlgAbout.DoModal(); rbnu:+!
} UcMe("U
else aW3yl}`{
{ Osb"$8im
CDialog::OnSysCommand(nID, lParam); G{ rUqo
} fV3!x,H
} AAsl)
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void CCaptureDlg::OnPaint() unmuY^+<
{ l%"eQ
if (IsIconic()) `}F=Zjy
{ 0+O)~>v
CPaintDC dc(this); // device context for painting J-fU,*Bk
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); c7IgndVAV
// Center icon in client rectangle sHe:h XG'
int cxIcon = GetSystemMetrics(SM_CXICON); '?Q [.{<
int cyIcon = GetSystemMetrics(SM_CYICON); &_&])V)<\S
CRect rect; Ifu$p]~z$
GetClientRect(&rect); Jug1Va<^c
int x = (rect.Width() - cxIcon + 1) / 2; [^W4%S
int y = (rect.Height() - cyIcon + 1) / 2; J1"u,H F*(
// Draw the icon "2CiW6X[M
dc.DrawIcon(x, y, m_hIcon); !+ IxPn
} U<eVLfSij
else 4i[3|hv'
{ +I2P{7
CDialog::OnPaint(); pM\)f
} K+H?,I
} Z>a_vC
b]mRn{r?
HCURSOR CCaptureDlg::OnQueryDragIcon() DB_
x
{ kT UQ8U
return (HCURSOR) m_hIcon; 9U58#
} /U)w:B+p/g
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void CCaptureDlg::OnCancel() ap\2={u^|
{ 2?ZHWS>U
if(bTray) lw? f2_fi
DeleteIcon(); gsc*![N
CDialog::OnCancel(); /w!b2KwV
}
nP?(9;3*
>}<:5gZtA
void CCaptureDlg::OnAbout() XFmnZpqXH
{ W #qM$
CAboutDlg dlg; "[H9)aAj7
dlg.DoModal(); ;oC85I
} iTbmD
,^|+n()O
void CCaptureDlg::OnBrowse() ]-)qL[Q
{
W1y,.6
CString str; R]/F{Xs
BROWSEINFO bi; ^k^%w/fo
char name[MAX_PATH]; b_Ba0h=
ZeroMemory(&bi,sizeof(BROWSEINFO)); I]Wb\&$
bi.hwndOwner=GetSafeHwnd(); )TyL3Z\>(
bi.pszDisplayName=name; D2>EG~xWq
bi.lpszTitle="Select folder"; %dL|i2+*8
bi.ulFlags=BIF_RETURNONLYFSDIRS; _J
LPITEMIDLIST idl=SHBrowseForFolder(&bi); X\$|oiR
if(idl==NULL) [ne4lWaE<y
return; 5.VA1
SHGetPathFromIDList(idl,str.GetBuffer(MAX_PATH)); 7=T0Sa*;
str.ReleaseBuffer(); 1y_{#,{>
m_Path=str; u
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if(str.GetAt(str.GetLength()-1)!='\\') ClVMZ
m_Path+="\\"; l},px
UpdateData(FALSE); IQScsqM
} Bh2m,=``
PpU : 4;en
void CCaptureDlg::SaveBmp() f|6%71
{ ?ArQ{9c
CDC dc; m^T$H_*;
dc.CreateDC("DISPLAY",NULL,NULL,NULL); 6Om-[^
CBitmap bm; Ko''G5+
int Width=GetSystemMetrics(SM_CXSCREEN); FPFt3XL
int Height=GetSystemMetrics(SM_CYSCREEN); <