C++builder彩色汽泡提示
本文地址：http://tongxinmao.com/Article/Detail/id/199
#ifndef __BalloonTip__
#define __BalloonTip__
#include <windows>
/*
.cpp调用方法:
TBalloonTip * tip = new TBalloonTip;
tip->SetBackColor(0xFDA528);
tip->SetTextColor(0xFFFFFF);
tip->ShowBalloonTip(Button1, TTI_INFO, "标题","这是一个汽泡自定义提示");
tip->DelayTime(3000,tip);
delete tip;
*/
#define ID_TIMER 1
int CALLBACK TimerProc();
//-------------------------------------------
class TBalloonTip : public TObject
{
private:
HWND hPareWnd;
TOOLINFO ti;
static int w ;//汽泡窗口坐标
static int h ;
static int Left ;
static int Top ;
TWinControl * Control1;//保存控件指针
void __fastcall MoveBalloonTip(HANDLE & handle, TWinControl * tWinCtrl);
public:
__fastcall TBalloonTip();
void __fastcall ShowBalloonTip(TWinControl *Control, int Icon,char *Title, char *Text);
void deleteBalloonTip();
void __fastcall SetBackColor(TColor);
void __fastcall SetTextColor(TColor);
void __fastcall DelayTime(int t);
static UINT_PTR timerid; //定时器返回值
void __fastcall OnHitTest(TMessage & message);
static LRESULT CALLBACK DlgMsgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static int CALLBACK TimerProc();
TColor backColor;
TColor textColor;
static HWND hBalloonTip;
void __fastcall myAppMessage(tagMSG &Msg, bool &Handled);
HANDLE __fastcall GetHandle();
__fastcall ~TBalloonTip();
enum{TIP_NONE=0,TIP_INFO,TIP_WARNING,TIP_ERROR};
protected:
};
__fastcall TBalloonTip::~TBalloonTip()
{
KillTimer(NULL,timerid);
SendMessage(hBalloonTip, WM_CLOSE, 0, 0);
}
UINT_PTR TBalloonTip::timerid = 0; //定时器返回值
HWND TBalloonTip::hBalloonTip = NULL;
HANDLE __fastcall TBalloonTip::GetHandle()
{
return hBalloonTip;
}
void __fastcall TBalloonTip::DelayTime(int t)
{
timerid = SetTimer(NULL, 1, t, TimerProc);
}
int TBalloonTip::w =0;
int TBalloonTip::h=0;
int TBalloonTip::Left=0;
int TBalloonTip::Top =0;
__fastcall TBalloonTip::TBalloonTip()
{
w = 0;
h =0;
Left = 0;
Top = 0;
timerid = 0;
Application->OnMessage = myAppMessage;
}
//显示汽泡提示
void __fastcall TBalloonTip::ShowBalloonTip(TWinControl *Control, int Icon,char *Title, char *Text)
{
SendMessage(hBalloonTip, WM_CLOSE, 0, 0);//如果有汽泡先清除
hPareWnd = Control->Parent->Handle;
Control1 = Control;
hBalloonTip = CreateWindow(TOOLTIPS_CLASS, NULL,
WS_POPUP| TTS_NOPREFIX | TTS_BALLOON | TTS_ALWAYSTIP ,
CW_USEDEFAULT,CW_USEDEFAULT,0,0,
hPareWnd, 0, HInstance, NULL);
if( hBalloonTip )
{
ti.cbSize = sizeof(ti);
/*
*指定位置上显示气泡提示
*/
ti.uFlags = TTF_ABSOLUTE | TTF_SUBCLASS ;//| TTF_TRACK ; /*|TTF_TRANSPARENT | TTF_ABSOLUTE | TTF_TRACK */;
ti.hwnd = hPareWnd;
ti.lpszText = Text;
SetWindowPos(hBalloonTip, HWND_TOP,
0,0,0,0,
SWP_NOACTIVATE);
//set color
SendMessage(hBalloonTip, TTM_SETTIPBKCOLOR, backColor, 0); //背景颜色
SendMessage(hBalloonTip, TTM_SETTIPTEXTCOLOR, textColor, 0); //文字颜色
SendMessage(hBalloonTip, TTM_ADDTOOL, WPARAM(1), LPARAM(&ti)); //添加汽泡
SendMessage(hBalloonTip, TTM_SETTITLE, WPARAM(Icon), LPARAM(Title)); //文字标题
// 定义气泡位置,粘附在指定控件旁边
GetWindowRect(hPareWnd, &ti.rect);
Left = ti.rect.left;
Top = ti.rect.top;
w = ti.rect.right - ti.rect.left;
h = ti.rect.bottom - ti.rect.top;
LONG re = SendMessage(hBalloonTip,
TTM_TRACKPOSITION, WPARAM(1),
MAKELONG(w+Left,h+Top));
//激活显示气泡
re=SendMessage(hBalloonTip,
TTM_TRACKACTIVATE,
WPARAM(true), LPARAM(&ti));
//注意销毁窗口
UpdateWindow(hBalloonTip);
//移动汽泡位置
MoveBalloonTip(hPareWnd,Control1);
}
}
//关闭汽泡
void TBalloonTip::deleteBalloonTip()
{
ti.cbSize = sizeof(ti);
ti.hwnd = hPareWnd;
SendMessage(hBalloonTip, TTM_DELTOOL, WPARAM(0), LPARAM(&ti));
}
//设置背景颜色
void __fastcall TBalloonTip::SetBackColor(TColor cl)
{
backColor = cl;
SendMessage(hBalloonTip, TTM_SETTIPBKCOLOR, backColor, 0);
}
//设置文字颜色
void __fastcall TBalloonTip::SetTextColor(TColor cl)
{
textColor = cl;
SendMessage(hBalloonTip, TTM_SETTIPTEXTCOLOR, textColor, 0);
}
//------------------------------------
//定时器回调函数
int CALLBACK TBalloonTip::TimerProc()
{
KillTimer(NULL,timerid);
SendMessage(hBalloonTip, WM_CLOSE, 0, 0);
}
void __fastcall TBalloonTip::myAppMessage(tagMSG &Msg, bool &Handled)
{
if (hBalloonTip && Msg.hwnd == hBalloonTip)
{
switch(Msg.message)
{
case WM_LBUTTONDOWN:
KillTimer(NULL,timerid);
SendMessage(hBalloonTip, WM_CLOSE, 0, 0);
break;
}
}
Handled = false;
}
//移动汽泡提示的位置
void __fastcall TBalloonTip::MoveBalloonTip(HANDLE & handle, TWinControl * Control1)
{
long dwStyle = GetWindowLongA(hBalloonTip,GWL_STYLE);//获取旧样式
dwStyle &= ~WS_POPUP;
dwStyle |= WS_CHILD; //按位与将旧样式去掉
SetWindowLong(hBalloonTip,GWL_STYLE,dwStyle);
SetParent(hBalloonTip,hPareWnd);
TWinControl * tWinCrl;
tWinCrl = FindControl(handle);
INT CaptionHeight = tWinCrl->Height-tWinCrl->ClientHeight;//标题栏高度
TRect rc;
GetClientRect(hBalloonTip,&rc);
MoveWindow(hBalloonTip,Control1->Left+Control1->Width/2,Control1->Top-Control1->Height-CaptionHeight,rc.Width(),rc.Height(),true);
}
#endifhttp://blog.csdn.net/chinayu2007/article/details/40559189
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