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ucgui窗口分析.doc

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一、相关结构体与变量窗口管理结构体/*窗口管理结构体共30个字节*/structWM_Obj{GUI_RECTRect;//窗口尺寸(x0,y0,x1,y1)8个字节GUI_RECTInvalidRect;//无效区域(x0,y0,x1,y1)8个字节WM_CALLBACK*cb;//回调函数4个字节WM_HWINhNextLin;//指向链表中得下一个窗口2个字节WM_HWINhParent;//当前窗口得父窗口2个字节WM_HWINhFirstChild;//当前窗口得第一个子窗口2个字节WM_HWINhNext;//下一个兄弟窗口2个字节U16Status;//标志位2个字节};窗口创建得标志#defineWM_CF_HASTRANS(1<<0)/*Hastransparency、Needstobedefinedforwindowswhichdonotfilltheentiresectionoftheir(client)rectangle、*/#defineWM_CF_HIDE(0<<1)/*Hidewindowaftercreation(default!)*/#defineWM_CF_SHOW(1<<1)/*Showwindowaftercreation*/#defineWM_CF_MEMDEV(1<<2)/*Usememorydeviceforredraws*/#defineWM_CF_STAYONTOP(1<<3)/*Stayontop*/#defineWM_CF_DISABLED(1<<4)/*Disabled:DoesnotreceivePID(mouse&touch)input*//*Createonlyflags、、、Notavailableasstatusflags*/#defineWM_CF_ACTIVATE(1<<5)/*Ifautomaticactivationuponcreationofwindowisdesired*/#defineWM_CF_FGND(0<<6)/*Putwindowinforegroundaftercreation(default!)*/#defineWM_CF_BGND(1<<6)/*Putwindowinbackgroundaftercreation*//*Anchorflags*/#defineWM_CF_ANCHOR_RIGHT(1<<7)/*Rightanchor、、、Ifparentisresized,distancetorightwillremainconst(leftisdefault)*/#defineWM_CF_ANCHOR_BOTTOM(1<<8)/*Bottomanchor、、、Ifparentisresized,distancetobottomwillremainconst(topisdefault)*/#defineWM_CF_ANCHOR_LEFT(1<<9)/*Leftanchor、、、Ifparentisresized,distancetoleftwillremainconst(leftisdefault)*/#defineWM_CF_ANCHOR_TOP(1<<10)/*Topanchor、、、Ifparentisresized,distancetotopwillremainconst(topisdefault)*/#defineWM