lion-tutorial35.htm

内有一些代码

	LOCAL hOldRgn:DWORD
	LOCAL RealRect:RECT
	LOCAL pString:DWORD
	LOCAL BufferSize:DWORD
	LOCAL pt:POINT
	.if uMsg==WM_PAINT
		push edi
		push esi
		invoke HideCaret,hWnd
		invoke CallWindowProc,OldWndProc,hWnd,uMsg,wParam,lParam
		push eax
		mov edi,offset ASMSyntaxArray
		invoke GetDC,hWnd
		mov hdc,eax
		invoke SetBkMode,hdc,TRANSPARENT
		invoke SendMessage,hWnd,EM_GETRECT,0,addr rect
		invoke SendMessage,hWnd,EM_CHARFROMPOS,0,addr rect
		invoke SendMessage,hWnd,EM_LINEFROMCHAR,eax,0
		invoke SendMessage,hWnd,EM_LINEINDEX,eax,0
		mov txtrange.chrg.cpMin,eax
		mov FirstChar,eax
		invoke SendMessage,hWnd,EM_CHARFROMPOS,0,addr rect.right
		mov txtrange.chrg.cpMax,eax
		push rect.left
		pop RealRect.left
		push rect.top
		pop RealRect.top
		push rect.right
		pop RealRect.right
		push rect.bottom
		pop RealRect.bottom
		invoke CreateRectRgn,RealRect.left,RealRect.top,RealRect.right,RealRect.bottom
		mov hRgn,eax
		invoke SelectObject,hdc,hRgn
		mov hOldRgn,eax
		invoke SetTextColor,hdc,CommentColor
		lea eax,buffer
		mov txtrange.lpstrText,eax
		invoke SendMessage,hWnd,EM_GETTEXTRANGE,0,addr txtrange
		.if eax>0	
			mov esi,eax		; esi == size of the text		
			mov BufferSize,eax
			push edi
			push ebx
			lea edi,buffer
			mov edx,edi		; used as the reference point
			mov ecx,esi
			mov al,";"
ScanMore:
			repne scasb
			je NextSkip
			jmp NoMoreHit
NextSkip:
			dec edi
			inc ecx
			mov pString,edi
			mov ebx,edi
			sub ebx,edx
			add ebx,FirstChar
			mov txtrange.chrg.cpMin,ebx
			push eax
			mov al,0Dh
			repne scasb
			pop eax
HiliteTheComment:
			.if ecx>0
				mov byte ptr [edi-1],0
			.endif
			mov ebx,edi
			sub ebx,edx
			add ebx,FirstChar
			mov txtrange.chrg.cpMax,ebx
			pushad
			mov edi,pString
			mov esi,txtrange.chrg.cpMax
			sub esi,txtrange.chrg.cpMin		; esi contains the length of the buffer
			mov eax,esi
			push edi
			.while eax>0
				.if byte ptr [edi]==9
					mov byte ptr [edi],0
				.endif
				inc edi
				dec eax
			.endw
			pop edi
			.while esi>0
				.if byte ptr [edi]!=0
					invoke lstrlen,edi
					push eax
					mov ecx,edi
					lea edx,buffer
					sub ecx,edx
					add ecx,FirstChar
					.if RichEditVersion==3
						invoke SendMessage,hWnd,EM_POSFROMCHAR,addr rect,ecx
					.else
						invoke SendMessage,hWnd,EM_POSFROMCHAR,ecx,0
						mov ecx,eax
						and ecx,0FFFFh
						mov rect.left,ecx
						shr eax,16
						mov rect.top,eax
					.endif
					invoke DrawText,hdc,edi,-1,addr rect,0
					pop eax
					add edi,eax
					sub esi,eax
				.else
					inc edi
					dec esi
				.endif			
			.endw
			mov ecx,txtrange.chrg.cpMax
			sub ecx,txtrange.chrg.cpMin
			invoke RtlZeroMemory,pString,ecx
			popad
			.if ecx>0
				jmp ScanMore
			.endif
NoMoreHit:
			pop ebx
			pop edi
			mov ecx,BufferSize
			lea esi,buffer
			.while ecx>0
				mov al,byte ptr [esi]
				.if al==" " || al==0Dh || al=="/" || al=="," || al=="|" || al=="+" || al=="-" || al=="*" || al=="&" || al=="<" || al==">" || al=="=" || al=="(" || al==")" || al=="{" || al=="}" || al=="[" || al=="]" || al=="^" || al==":" || al==9
					mov byte ptr [esi],0
				.endif
				dec ecx
				inc esi
			.endw
			lea esi,buffer
			mov ecx,BufferSize
			.while ecx>0
				mov al,byte ptr [esi]
				.if al!=0
					push ecx
					invoke lstrlen,esi
					push eax
					mov edx,eax		; edx contains the length of the string
					movzx eax,byte ptr [esi]
					.if al>="A" && al<="Z"
						sub al,"A"
						add al,"a"
					.endif
					shl eax,2
					add eax,edi		; edi contains the pointer to the WORDINFO pointer array
					.if dword ptr [eax]!=0
						mov eax,dword ptr [eax]
						assume eax:ptr WORDINFO
						.while eax!=0
							.if edx==[eax].WordLen
								pushad
								invoke lstrcmpi,[eax].pszWord,esi
								.if eax==0								
									popad
									mov ecx,esi
									lea edx,buffer
									sub ecx,edx
									add ecx,FirstChar
									pushad
									.if RichEditVersion==3
										invoke SendMessage,hWnd,EM_POSFROMCHAR,addr rect,ecx
									.else
										invoke SendMessage,hWnd,EM_POSFROMCHAR,ecx,0
										mov ecx,eax
										and ecx,0FFFFh
										mov rect.left,ecx
										shr eax,16
										mov rect.top,eax
									.endif
									popad
									mov edx,[eax].pColor
									invoke SetTextColor,hdc,dword ptr [edx]								
									invoke DrawText,hdc,esi,-1,addr rect,0
									.break
								.endif
								popad
							.endif
							push [eax].NextLink
							pop eax
						.endw
					.endif
					pop eax
					pop ecx
					add esi,eax
					sub ecx,eax
				.else
					inc esi
					dec ecx
				.endif
			.endw
		.endif
		invoke SelectObject,hdc,hOldRgn
		invoke DeleteObject,hRgn
		invoke SelectObject,hdc,hOldFont
		invoke ReleaseDC,hWnd,hdc
		invoke ShowCaret,hWnd
		pop eax
		pop esi
		pop edi
		ret
	.elseif uMsg==WM_CLOSE
		invoke SetWindowLong,hWnd,GWL_WNDPROC,OldWndProc		
	.else
		invoke CallWindowProc,OldWndProc,hWnd,uMsg,wParam,lParam
		ret
	.endif
NewRichEditProc endp

WndProc proc hWnd:DWORD, uMsg:DWORD, wParam:DWORD, lParam:DWORD
	LOCAL ofn:OPENFILENAME
	LOCAL buffer[256]:BYTE
	LOCAL editstream:EDITSTREAM
	LOCAL hFile:DWORD
	LOCAL hPopup:DWORD
	LOCAL pt:POINT
	LOCAL chrg:CHARRANGE
	.if uMsg==WM_CREATE
		invoke CreateWindowEx,WS_EX_CLIENTEDGE,addr RichEditClass,0,WS_CHILD or WS_VISIBLE or ES_MULTILINE or WS_VSCROLL or WS_HSCROLL or ES_NOHIDESEL,\
				CW_USEDEFAULT,CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,hWnd,RichEditID,hInstance,0
		mov hwndRichEdit,eax
		invoke SendMessage,hwndRichEdit,EM_SETTYPOGRAPHYOPTIONS,TO_SIMPLELINEBREAK,TO_SIMPLELINEBREAK
		invoke SendMessage,hwndRichEdit,EM_GETTYPOGRAPHYOPTIONS,1,1
		.if eax==0		; means this message is not processed
			mov RichEditVersion,2
		.else
			mov RichEditVersion,3
			invoke SendMessage,hwndRichEdit,EM_SETEDITSTYLE,SES_EMULATESYSEDIT,SES_EMULATESYSEDIT
		.endif
		invoke SetWindowLong,hwndRichEdit,GWL_WNDPROC, addr NewRichEditProc
		mov OldWndProc,eax
		invoke SendMessage,hwndRichEdit,EM_LIMITTEXT,-1,0
		invoke SetColor
		invoke SendMessage,hwndRichEdit,EM_SETMODIFY,FALSE,0
		invoke SendMessage,hwndRichEdit,EM_SETEVENTMASK,0,ENM_MOUSEEVENTS
		invoke SendMessage,hwndRichEdit,EM_EMPTYUNDOBUFFER,0,0
	.elseif uMsg==WM_NOTIFY
		push esi
		mov esi,lParam
		assume esi:ptr NMHDR
		.if [esi].code==EN_MSGFILTER
			assume esi:ptr MSGFILTER
			.if [esi].msg==WM_RBUTTONDOWN
				invoke GetMenu,hWnd
				invoke GetSubMenu,eax,1
				mov hPopup,eax
				invoke PrepareEditMenu,hPopup
				mov edx,[esi].lParam
				mov ecx,edx
				and edx,0FFFFh
				shr ecx,16
				mov pt.x,edx
				mov pt.y,ecx
				invoke ClientToScreen,hWnd,addr pt
				invoke TrackPopupMenu,hPopup,TPM_LEFTALIGN or TPM_BOTTOMALIGN,pt.x,pt.y,NULL,hWnd,NULL
			.endif
		.endif
		pop esi
	.elseif uMsg==WM_INITMENUPOPUP
		mov eax,lParam
		.if ax==0		; file menu			
			.if FileOpened==TRUE	; a file is already opened
				invoke EnableMenuItem,wParam,IDM_OPEN,MF_GRAYED
				invoke EnableMenuItem,wParam,IDM_CLOSE,MF_ENABLED
				invoke EnableMenuItem,wParam,IDM_SAVE,MF_ENABLED
				invoke EnableMenuItem,wParam,IDM_SAVEAS,MF_ENABLED
			.else
				invoke EnableMenuItem,wParam,IDM_OPEN,MF_ENABLED
				invoke EnableMenuItem,wParam,IDM_CLOSE,MF_GRAYED
				invoke EnableMenuItem,wParam,IDM_SAVE,MF_GRAYED
				invoke EnableMenuItem,wParam,IDM_SAVEAS,MF_GRAYED
			.endif
		.elseif ax==1	; edit menu
			invoke PrepareEditMenu,wParam
		.elseif ax==2		; search menu bar
			.if FileOpened==TRUE
				invoke EnableMenuItem,wParam,IDM_FIND,MF_ENABLED
				invoke EnableMenuItem,wParam,IDM_FINDNEXT,MF_ENABLED
				invoke EnableMenuItem,wParam,IDM_FINDPREV,MF_ENABLED
				invoke EnableMenuItem,wParam,IDM_REPLACE,MF_ENABLED
				invoke EnableMenuItem,wParam,IDM_GOTOLINE,MF_ENABLED
			.else
				invoke EnableMenuItem,wParam,IDM_FIND,MF_GRAYED
				invoke EnableMenuItem,wParam,IDM_FINDNEXT,MF_GRAYED
				invoke EnableMenuItem,wParam,IDM_FINDPREV,MF_GRAYED
				invoke EnableMenuItem,wParam,IDM_REPLACE,MF_GRAYED
				invoke EnableMenuItem,wParam,IDM_GOTOLINE,MF_GRAYED
			.endif
		.endif
	.elseif uMsg==WM_COMMAND
		.if lParam==0		; menu commands
			mov eax,wParam
			.if ax==IDM_OPEN
				invoke RtlZeroMemory,addr ofn,sizeof ofn
				mov ofn.lStructSize,sizeof ofn
				push hWnd
				pop ofn.hwndOwner
				push hInstance
				pop ofn.hInstance
				mov ofn.lpstrFilter,offset ASMFilterString
				mov ofn.lpstrFile,offset FileName
				mov byte ptr [FileName],0
				mov ofn.nMaxFile,sizeof FileName
				mov ofn.Flags,OFN_FILEMUSTEXIST or OFN_HIDEREADONLY or OFN_PATHMUSTEXIST
				invoke GetOpenFileName,addr ofn
				.if eax!=0
					invoke CreateFile,addr FileName,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,0
					.if eax!=INVALID_HANDLE_VALUE
						mov hFile,eax
						mov editstream.dwCookie,eax
						mov editstream.pfnCallback,offset StreamInProc
						invoke SendMessage,hwndRichEdit,EM_STREAMIN,SF_TEXT,addr editstream
						invoke SendMessage,hwndRichEdit,EM_SETMODIFY,FALSE,0
						invoke CloseHandle,hFile
						mov FileOpened,TRUE
					.else
						invoke MessageBox,hWnd,addr OpenFileFail,addr AppName,MB_OK or MB_ICONERROR
					.endif
				.endif
			.elseif ax==IDM_CLOSE
				invoke CheckModifyState,hWnd
				.if eax==TRUE
					invoke SetWindowText,hwndRichEdit,0
					mov FileOpened,FALSE
				.endif
			.elseif ax==IDM_SAVE
				invoke CreateFile,addr FileName,GENERIC_WRITE,FILE_SHARE_READ,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0
				.if eax!=INVALID_HANDLE_VALUE
@@:				
					mov hFile,eax
					mov editstream.dwCookie,eax
					mov editstream.pfnCallback,offset StreamOutProc
					invoke SendMessage,hwndRichEdit,EM_STREAMOUT,SF_TEXT,addr editstream
					invoke SendMessage,hwndRichEdit,EM_SETMODIFY,FALSE,0
					invoke CloseHandle,hFile
				.else
					invoke MessageBox,hWnd,addr OpenFileFail,addr AppName,MB_OK or MB_ICONERROR
				.endif
			.elseif ax==IDM_COPY
				invoke SendMessage,hwndRichEdit,WM_COPY,0,0
			.elseif ax==IDM_CUT
				invoke SendMessage,hwndRichEdit,WM_CUT,0,0
			.elseif ax==IDM_PASTE
				invoke SendMessage,hwndRichEdit,WM_PASTE,0,0
			.elseif ax==IDM_DELETE
				invoke SendMessage,hwndRichEdit,EM_REPLACESEL,TRUE,0
			.elseif ax==IDM_SELECTALL
				mov chrg.cpMin,0
				mov chrg.cpMax,-1
				invoke SendMessage,hwndRichEdit,EM_EXSETSEL,0,addr chrg
			.elseif ax==IDM_UNDO
				invoke SendMessage,hwndRichEdit,EM_UNDO,0,0
			.elseif ax==IDM_REDO
				invoke SendMessage,hwndRichEdit,EM_REDO,0,0
			.elseif ax==IDM_OPTION
				invoke DialogBoxParam,hInstance,IDD_OPTIONDLG,hWnd,addr OptionProc,0
			.elseif ax==IDM_SAVEAS
				invoke RtlZeroMemory,addr ofn,sizeof ofn
				mov ofn.lStructSize,sizeof ofn
				push hWnd
				pop ofn.hwndOwner
				push hInstance
				pop ofn.hInstance
				mov ofn.lpstrFilter,offset ASMFilterString
				mov ofn.lpstrFile,offset AlternateFileName
				mov byte ptr [AlternateFileName],0
				mov ofn.nMaxFile,sizeof AlternateFileName
				mov ofn.Flags,OFN_FILEMUSTEXIST or OFN_HIDEREADONLY or OFN_PATHMUSTEXIST
				invoke GetSaveFileName,addr ofn
				.if eax!=0
					invoke CreateFile,addr AlternateFileName,GENERIC_WRITE,FILE_SHARE_READ,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0
					.if eax!=INVALID_HANDLE_VALUE
						jmp @B
					.endif
				.endif
			.elseif ax==IDM_FIND
				.if hSearch==0
					invoke CreateDialogParam,hInstance,IDD_FINDDLG,hWnd,addr SearchProc,0
				.endif
			.elseif ax==IDM_REPLACE
				.if hSearch==0
					invoke CreateDialogParam,hInstance,IDD_REPLACEDLG,hWnd,addr ReplaceProc,0
				.endif
			.elseif ax==IDM_GOTOLINE
				.if hSearch==0
					invoke CreateDialogParam,hInstance,IDD_GOTODLG,hWnd,addr GoToProc,0
				.endif
			.elseif ax==IDM_FINDNEXT
				invoke lstrlen,addr FindBuffer
				.if eax!=0
					invoke SendMessage,hwndRichEdit,EM_EXGETSEL,0,addr findtext.chrg
					mov eax,findtext.chrg.cpMin
					.if eax!=findtext.chrg.cpMax
						push findtext.chrg.cpMax
						pop findtext.chrg.cpMin
					.endif
					mov findtext.chrg.cpMax,-1
					mov findtext.lpstrText,offset FindBuffer
					invoke SendMessage,hwndRichEdit,EM_FINDTEXTEX,FR_DOWN,addr findtext
					.if eax!=-1
						invoke SendMessage,hwndRichEdit,EM_EXSETSEL,0,addr findtext.chrgText
					.endif
				.endif
			.elseif ax==IDM_FINDPREV
				invoke lstrlen,addr FindBuffer
				.if eax!=0
					invoke SendMessage,hwndRichEdit,EM_EXGETSEL,0,addr findtext.chrg
					mov findtext.chrg.cpMax,0
					mov findtext.lpstrText,offset FindBuffer
					invoke SendMessage,hwndRichEdit,EM_FINDTEXTEX,0,addr findtext
					.if eax!=-1
						invoke SendMessage,hwndRichEdit,EM_EXSETSEL,0,addr findtext.chrgText
					.endif
				.endif
			.elseif ax==IDM_EXIT