ucgui窗的口分析.docxVIP

一、相关结构体和变量窗口管理结构体/* 窗口管理结构体 共30个字节 */structWM_Obj { GUI_RECT Rect; //窗口尺寸(x0,y0,x1,y1) 8个字节 GUI_RECT InvalidRect; //无效区域(x0,y0,x1,y1) 8个字节 WM_CALLBACK* cb; //回调函数 4个字节 WM_HWIN hNextLin; //指向链表中的下一个窗口 2个字节 WM_HWIN hParent; //当前窗口的父窗口 2个字节 WM_HWIN hFirstChild; //当前窗口的第一个子窗口 2个字节 WM_HWIN hNext; //下一个兄弟窗口 2个字节 U16 Status; //标志位 2个字节};窗口创建的标志#define WM_CF_HASTRANS (10) /* Has transparency. Needs to be defined for windows which do not fill the entiresection of their (client) rectangle. */#define WM_CF_HIDE (01) /* Hide window after creation (default !) */#define WM_CF_SHOW (11) /* Show window after creation */#define WM_CF_MEMDEV (12) /* Use memory device for redraws */#define WM_CF_STAYONTOP (13) /* Stay on top */#define WM_CF_DISABLED (14) /* Disabled: Does not receive PID (mouse touch) input *//* Create only flags ... Not available as status flags */#define WM_CF_ACTIVATE (15) /* If automatic activation upon creation of window is desired */#define WM_CF_FGND (06) /* Put window in foreground after creation (default !) */#define WM_CF_BGND (16) /* Put window in background after creation *//* Anchor flags */#define WM_CF_ANCHOR_RIGHT (17) /* Right anchor ... If parent is resized, distance to right will remain const (left is default) */#define WM_CF_ANCHOR_BOTTOM (18) /* Bottom anchor ... If parent is resized, distance to bottom will remain const (top is default) */#define WM_CF_ANCHOR_LEFT (19) /* Left anchor ... If parent is resized, distance to left will remain const (left is default) */#define WM_CF_ANCHOR_TOP (110) /* Top anchor ... If parent is resized, distance to top will remain const (top is default) */#define WM_CF_CONST_OUTLINE (111) /* Constant outline. This is relevant for transparent windows only. If a win