ucGUI做的一个TreeView这样的控件！

用ucGUI做了一个TreeView这样的控件！我用的版本里没有TreeView这个控件,所以自己做了一个.

这个做得比较难看呀！

个人头脑比较简单,所以做的思路也比较简单! 所以后面的代码也很简单

主要如下

一个节点放在一个窗体里,比如从根节点开始,有子节点的话,就创建一个窗体,它的父窗体就是父节点所在的窗体,就是和树一样的嵌套在一起的,这样主要可以方便的运行ucGUI的消息过程,比如节点展开,收起时,对长,宽的处理就会很方便.

我做的效果像这样的，哎，太难看了，程序员做界面还是不行呀， (因为是在嵌入式设备上，没有截图功能，就拍了一张，右边的tab Page也是自定义的,没有UGGUI自带的)：

代码如下(我没有单独编译,如果少了什么定义的宏,自己根据定义自己搞一下)，有兴趣的可以看一下。

//==========================头文件========================//typedef struct TreeNode_struct TreeNode;struct TreeNode_struct{int NodeID;       //结点IDchar *NodeName;   //结点名称};static TreeNode MainTreeNode[]={{1,"设备1"},{2,"设备2"},{3,"设备3"},{4,"设备4"},{5,"设备5"},};WM_HWIN CreateTreeView(int x,int y,int xs,int ys,WM_HWIN hParent);//添加一个子结点WM_HWIN addTreeNode(WM_HWIN hParent,TreeNode *NodeInfo,int Root);

//=============================代码文件===============================//

#include "CreateTreeView.h"#include "BUTTON.h"#include "TEXT.h"#include "SCROLLBAR.h"#include "string.h"#define WindowsBackgroundColor 0x6A4935#define NodeHeight 20        //节点收起时高度#define WM_USER_SUBNODESIZE WM_USER + 102static void _cbMain(WM_MESSAGE *pMsg);//节点回调static void _cbTreeNode(WM_MESSAGE *pMsg);//节点展开按钮回调static void _cbNodeExpendButton(WM_MESSAGE *pMsg);//节点按钮回调static void _cbNodeButton(WM_MESSAGE *pMsg);//展开节点static void ExpendNode(WM_HWIN hwin,int flag);WM_CALLBACK *_cbbtndefault,*_cbSCROLLBARDefault;WM_HWIN CreateTreeView(int x,int y,int xs,int ys,WM_HWIN hParent){WIDGET_SetDefaultEffect_None();BUTTON_SetDefaultFont(FontHZText);BUTTON_SetDefaultTextColor(GUI_WHITE,0);BUTTON_SetDefaultBkColor(WindowsBackgroundColor,0);WM_HWIN hwin = WM_CreateWindowAsChild(x,y,xs,ys,hParent,WM_CF_SHOW,_cbMain,0);return hwin;}static void _cbMain(WM_MESSAGE *pMsg){switch(pMsg->MsgId){case WM_PAINT:GUI_SetBkColor(0x6A4935);GUI_Clear();break;case WM_USER_Change_SCROLLBAR:{WM_HWIN hwin,SHwin,SVwin;int Height=0,Width=0;SHwin = WM_GetScrollbarH(WM_GetParent(pMsg->hWin));SVwin = WM_GetScrollbarV(WM_GetParent(pMsg->hWin));hwin = WM_GetFirstChild(pMsg->hWin);while(WM_IsWindow(hwin)){if(Width<WM_GetWinSizeX(hwin))Width = WM_GetWinSizeX(hwin);Height += WM_GetWinSizeY(hwin);hwin = WM_GetNextSibling(hwin);}if(WM_IsWindow(SHwin)){SCROLLBAR_SetNumItems(SHwin,Width);}if(WM_IsWindow(SVwin)){SCROLLBAR_SetNumItems(SVwin,Height);}break;}default:WM_DefaultProc(pMsg);}}//添加一个子结点WM_HWIN addTreeNode(WM_HWIN hParent,TreeNode *NodeInfo,int Root){WM_HWIN NodeHwin=0;BUTTON_Handle bhwin = 0;BUTTON_Handle btexthwin = 0;U16 Style;int x,y,xs,ys;if(WM_IsWindow(hParent)){if(Root==1){WM_HWIN hwin=0,lastHwin=0;//加到最后一个根结点后面hwin = WM_GetFirstChild(hParent);while(WM_IsWindow(hwin)){lastHwin = hwin;hwin = WM_GetNextSibling(hwin);}if(lastHwin==0){x = 5;y = 5;}else{x = 5;y = WM_GetWinOrgY(lastHwin) - WM_GetWinOrgY(hParent) + WM_GetWinSizeY(lastHwin);}xs = WM_GetWinSizeX(hParent);ys = NodeHeight;Style = WM_CF_SHOW;}else{x = 20;y = WM_GetWindowSizeY(hParent);xs = WM_GetWinSizeX(hParent);ys = NodeHeight;Style = WM_CF_SHOW;}NodeHwin = WM_CreateWindowAsChild(x,y,xs,ys,hParent,Style,_cbTreeNode,0);//展开按钮,隐藏,如果有子节点增加进来,就显示bhwin = BUTTON_CreateAsChild(0,5,10,10,NodeHwin,1,GUI_TA_CENTER|GUI_TA_VCENTER|Style);WM_HideWin(bhwin);//节点名称btexthwin = BUTTON_CreateAsChild(20,0,strlen(NodeInfo->NodeName)*10,NodeHeight,NodeHwin,2,WM_CF_SHOW|GUI_TA_LEFT|GUI_TA_VCENTER);WM_SetCallback(bhwin,_cbNodeExpendButton);_cbbtndefault = WM_SetCallback(btexthwin,_cbNodeButton);//BUTTON_setboBUTTON_SetTextAlign(btexthwin,GUI_TA_LEFT|GUI_TA_VCENTER);BUTTON_SetText(btexthwin,NodeInfo->NodeName);BUTTON_SetFocussable(btexthwin,0);BUTTON_SetFocussable(bhwin,0);if(Root == 0){WM_HWIN Parentbhwin = WM_GetFirstChild(hParent);while(WM_IsWindow(Parentbhwin)){if(WM_GetId(Parentbhwin) == 1){BUTTON_SetText(Parentbhwin,"+");  //显示父节点的展开按钮,创建时是隐藏的WM_ShowWin(Parentbhwin);break;}Parentbhwin = WM_GetNextSibling(Parentbhwin);}}return NodeHwin;}}//节点回调static void _cbTreeNode(WM_MESSAGE *pMsg){WM_MESSAGE Msg;WM_HWIN Nexthwin;int Xs,Ys;switch(pMsg->MsgId){case WM_USER_SUBNODESIZE://改变节点的高度(子节点展开或收起时发送来的消息)Ys = WM_GetYSize(pMsg->hWin) + pMsg->Data.v;WM_SetYSize(pMsg->hWin,Ys);//如果子节点的宽度改变，大于父节点了，需要改变父节点宽度if(WM_GetXSize(pMsg->hWin)<WM_GetXSize(pMsg->hWinSrc) + 20){Xs = WM_GetXSize(pMsg->hWinSrc) + 20;WM_SetXSize(pMsg->hWin,Xs);  }//改变后面兄弟节点Y位置Nexthwin = WM_GetNextSibling(pMsg->hWin);while(WM_IsWindow(Nexthwin)){if(WM_GetId(Nexthwin) == 0)WM_MoveTo(Nexthwin,WM_GetWinOrgX(Nexthwin),WM_GetWinOrgY(Nexthwin) + pMsg->Data.v);Nexthwin = WM_GetNextSibling(Nexthwin);}Msg.hWin = WM_GetParent(pMsg->hWin);Msg.MsgId = WM_USER_SUBNODESIZE;Msg.Data.v = pMsg->Data.v;//改变父节点WM_SendMessage(Msg.hWin,&Msg);//设置设置滚动条WM_SendMessageNoPara(WM_GetParent(pMsg->hWin),WM_USER_Change_SCROLLBAR);break;case WM_PAINT:{int dy;GUI_SetBkColor(WindowsBackgroundColor);GUI_Clear();/*if(!WM_IsWindow(WM_GetNextSibling(WM_GetParent(pMsg->hWin)))){dy = 10;}else{dy = 0;}GUI_SetColor(GUI_GRAY);GUI_DrawLine(4,0,4,WM_GetWinSizeY(pMsg->hWin)-dy);GUI_DrawLine(5,9,20,9);*/break;}default:WM_DefaultProc(pMsg);}}//节点展开按钮回调static void _cbNodeExpendButton(WM_MESSAGE *pMsg){switch(pMsg->MsgId){case WM_PAINT:GUI_Clear();break;case WM_PID_STATE_CHANGED:{WM_PID_STATE_CHANGED_INFO *PID_STATE_CHANGED_INFO;PID_STATE_CHANGED_INFO = (WM_PID_STATE_CHANGED_INFO *)pMsg->Data.p;if(PID_STATE_CHANGED_INFO->State > 0){if(WM_GetWinSizeY(WM_GetParent(pMsg->hWin)) == NodeHeight ){BUTTON_SetText(pMsg->hWin,"-");ExpendNode(WM_GetParent(pMsg->hWin),1);}else{BUTTON_SetText(pMsg->hWin,"+");ExpendNode(WM_GetParent(pMsg->hWin),0);}}break;}}_cbbtndefault(pMsg);}//节点按钮回调static void _cbNodeButton(WM_MESSAGE *pMsg){switch(pMsg->MsgId){case WM_PAINT:GUI_SetBkColor(WindowsBackgroundColor);GUI_Clear();break;case WM_NOTIFY_PARENT:{int Id = pMsg->hWinSrc;if(pMsg->Data.v == WM_NOTIFICATION_RELEASED){;}break;}case WM_PID_STATE_CHANGED:{WM_PID_STATE_CHANGED_INFO *PID_STATE_CHANGED_INFO;PID_STATE_CHANGED_INFO = (WM_PID_STATE_CHANGED_INFO *)pMsg->Data.p;if(PID_STATE_CHANGED_INFO->State > 0){//ExpendNode(WM_GetParent(pMsg->hWin),);}break;}}_cbbtndefault(pMsg);}static void _cbSCHandle(WM_MESSAGE *pMsg){switch(pMsg->MsgId){case WM_PAINT:GUI_SetBkColor(WindowsBackgroundColor);GUI_Clear();break;}_cbSCROLLBARDefault(pMsg);}static void ExpendNode(WM_HWIN hParent,int flag){WM_HWIN hwin;WM_MESSAGE Msg;int i=0,chHeight=0;hwin = WM_GetFirstChild(hParent);while(WM_IsWindow(hwin)){if(WM_GetId(hwin)==0){i++;if(flag==1){Msg.hWin = hParent;Msg.Data.v = WM_GetWinSizeY(hwin);chHeight += WM_GetWinSizeY(hwin);Msg.hWinSrc = hwin;Msg.MsgId = WM_USER_SUBNODESIZE;WM_SendMessage(hParent,&Msg);WM_MoveTo(hwin,WM_GetWinOrgX(hwin),WM_GetWinOrgY(hParent) + WM_GetWinSizeY(hParent) - WM_GetWinSizeY(hwin));WM_ShowWin(hwin);}else{Msg.hWin = hParent;Msg.hWinSrc = hwin;Msg.Data.v = -WM_GetWinSizeY(hwin);chHeight += -WM_GetWinSizeY(hwin);Msg.MsgId = WM_USER_SUBNODESIZE;WM_SendMessage(hParent,&Msg);WM_HideWin(hwin);}}hwin = WM_GetNextSibling(hwin);}if(flag == 0){//WM_SetXSize(hParent,WM_SetYSize(hParent,NodeHeight);}}