YasDebugger_内核调试器源码

// Sysnap 2009.5.15 //1 MainWin 主窗口..由 HANDLE CreateMianWin(...)创建, 在这个MAINWIN里可以创建其他控件 //2 任何控件的创建都需要父窗口的HANDLE...HANDLE ConctrolCreateXXX(HANDLE hParent,...); //3 消息路油: 当一个消息到达一个MainWindow时,怎样处理消息的一个过程.如果多个控件都要响应同一个消息,那么谁将响应 // 这个消息? 可以这么设置, 当一个鼠标左单击一个区域时..这个区域作为响应消息的第一站... // 我们可以维护一个优先级表...提供SetMsgDispatchPa来设置优先级... 响应区: 对消息进行响应处理的一个区域... 一个MAINWIN中可以有多个响应区..所以必须把这些响应区用一个链表维护起来.. 消息: 定义一个结构体来表示消息/ typedef struct __MSG { DWORD dwCommand; // 消息类型..比如WM_KEY_DOWN, WM_KEY_UP, WM_MOUSE_RCLICK DWORD dwParamA; // 下面俩个数据的意义根据..dwCommand而变 DWORD dwParamB; }MSG; BOOLEAN SendMSG() { // GET THE RIGHT MAINWIN AND // INSERT THE MSG INTO THE MSG QUEUE // 当鼠标 左单击 点某个区域时,,我们会把这个区域所以MAIMWIN当作活动窗口...任何消息将会投到 // 这个活动窗口的消息队列中去... return TRUE; } BOOLEAN GetMSG() { //GET MSG FROM MSG QUEUE //从消息队列中取消息// return TRUE; } typedef struct __RECT { DWORD dw_x; // (dw_x,dw_y) 左点,即原点... DWORD dw_y; DWORD dw_cx; //(dw_cx,dw_cy) 右下点.. DWORD dw_cy; }RECT; typedef (*WINPROC)(MSG* pMSG); typedef struct __REGION_OBJECT { struct __REGION_OBJECT* pRegionParent; struct __REGION_OBJECT* pChildRegionList; RECT Rect; WINPROC pCallBack; DWORD dwRegionType; // eg: menu list... PVOID lpSaveScreen; // 覆盖了哪些区域,以便还原...一般不用管,是MAINWIN做的事// }REGION_OBJECT; typedef struct __MAINWIN_OBJECT { //struct __MAINWIN_OBJECT* pMainWinObj; MSG* pMSGQUEUE; RECT MainWinRect; WINPROC pDefualtCallBack; REGION_OBJECT* pRegionList; PVOID lpSaveScreen; DWORD dwstyle; PSTR szTiltle; }; 到现在为止..我们可以来模拟一下处理过程... 当鼠标 单击 时.. 1 确定当前的鼠标坐标 MOUSE(X,Y) //2 确定动窗口,找到 MAINWIN_OBJECT ..遍历 pRegionList BOOLEAN DispatchMSG(MSG* pMSG) { //HANLE THE MSG // 其实这里只是把MSG发给响应区域的"CALL BACK PROC"...由其处理... // SO Here we should find out which region the MSG will ""Send to"" // ""Send to"" means we will call it's "call back proc" // so XX = FindActiveRegion(); // for we will implement like so XX->CALL_BACK(pMSG); return TRUE; } FindActiveRegion() // 必须确定活动窗口..活动REGION_OBJECT 找到 MAINWIN_OBJECT ..遍历 pRegionList // 如果是鼠标消息..确定当前的鼠标坐标 MOUSE(X,Y)..判断落在哪个区域内..调用其回调.. // 具体的功能由 回调 处理.. // 如果没有找到区域或者没人响应消息..调用默认处理.. /////////////////////////////////////////////////////////////////// // 底层屏幕管理...__VIDEO #define __COLOR DWORD #define POOLTYPE DWORD typedef struct __VIDEO { DWORD dwHieght; // screen height DWORD dwwidth; // screen width DWORD dwbitsPerPixe; DWORD dwDisplayMode; // if flat mode,dwDisplayMode is num of flats..or ti will be 0 PVOID lpVideoMapAddress; // PVOID lpMemDcAddress; DWORD dwMemDcAllocateSize; typedef BOOL (*InitializeVideo)(__VIDEO* pVideo); typedef BOOL (*UnInitializeVideo)(__VIDEO* pVideo); typedef VOID (*DrawPixel)(struct __VIDEO* pVideo,int x,int y,__COLOR color); typedef VOID (*GetPixel)(struct __VIDEO* pVideo,int x,int y,__COLOR color); typedef VOID (*DrawLine)(__VIDEO* pVideo,int xa,int ya,int xb,int yb,__COLOR color) typedef VOID (*DrawHorizontalLine)(struct __VIDEO* pVideo,int x,int y,int cx,__COLOR color); typedef VOID (*DrawVerticalLine)(struct __VIDEO* pVideo,int x,int y,int cy,__COLOR color); typedef VOID (*DrawSeprateLine)(__VIDEO* pVideo,int xa,int ya,int xb,int yb,__COLOR color); //Converts the mouse dimension into screen dimension. typedef VOID (*MouseToScreen)(__VIDEO* pVideo,int x,int y,int* px,int* py); typedef VOID (*DrawRectangle)(__VIDEO* pVideo,int x1,int y1,int x2,int y2,__COLOR lineclr, BOOLEAN bFill,__COLOR fillclr); typedef BOOL (*GetVideoBuffer)(VOID); // MEMORY OPERATIONS.. // sometimes when we do lots of operations direct access the video ram..it may cause some bad feelings.. // may be we can do the same work in the memory..and when we finish them..copy(memory,VRAM) typedef PVOID (*MemDCAllocate)(__VIDEO* pVideo,POOLTYPE type,DWORD dwSize...); typedef PVOID (*MemDCMap)(__VIDEO* pVideo,DWORD dwSize,DWORD dw_w,DWORD dw_h,DWORD dwbitsPerPixe); typedef PVOID (*MemDCFree)(__VIDEO* pVideo,DWORD dwSize,DWORD dw_w,DWORD dw_h,DWORD dwbitsPerPixe); typedef PVOID (*MemDCCopyTo)(__VIDEO* pVideo,RECT* pRect, PVOID lpDestBuffer); typedef PVOID (*MemDCGetFrom)(__VIDEO* pVideo,RECT* pRect, PVOID lpSrcBuffer); // and so on... }; // struct __VIDEO is hardly depend on hardware // now we wiil define a object which will have nothing to do with ant hardware----GDI // typedef struct __BRUSH { __COLOR BrushColor; DWORD dwBrushSize; DWORD dwBrushAttr; // PURE_COLOR ... }BRUSH; typedef struct __REGION { DWORD dwType; // eg: rect DWORD dwRadius; RECT Rect; // add more youself }; #define FONT_POINTER PVOID typedef struct __FONT { DWORD dwFontType; FONT_POINTER lpFontPtr; }FONT; typedef struct tagDC { INT iType; /* the DC's type, screen DC | memory DC | print DC*/ HANDLE hDevice; /* 物理输出设备句柄 */ REGION_OBJECT* pRegionObj; /* DC所属的窗口 */ DWORD dwFlags; /* 窗口设备裁剪标记 */ DWORD dwBlackMode; /* 背景模式 */ UINT uTextAlign; /* 文字对齐方式 */ COLORREF bkColor; /* 文字输出时的背景颜色 */ COLORREF textColor; /* 文字的颜色 */ INT iDrawMode; /* rop2 覆盖绘图模式 */ POINT pt; /* 当前的画笔坐标*/ FONT FontInfo; BRUSH BrushInfo; }DC, *PDC; /////////////////////////////////// Control////.. 菜单..Menu... #define SZ char #define MAX_MENUITEM_TEXT 100 typedef struct __MENU_ITEM { DWORD dwMenuItemID; SZ szItemText[MAX_MENUITEM_TEXT]; DWORD dwItemType; // 0 ----- 1 normal WINPROC pCallBack; __REGION_OBJECT regionobj; }MENU_ITEM,*PMENU_ITEM; typedef struct __MENU_OBJECT { DWORD dwMenuID; PMENU_ITEM pMenuItemList; // if we call InsetMenuItem..we use this... DWORD dwMenu_x; // fill by xx DWORD dwMenu_y; RECT Rect; SZ szMenuText[36] ; // not use for the context menu... }MENU_OBJECT; BOOLEAN MenuCreate() { // 首先每个菜单项都是一个响应区域...创建的时候必须在其响应的区域 注册 响应区域... // create MENU_OBJECT } BOOLEAN IniMenu() { } BOOLEAN PopUpMenu() { }