109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
//---------------------------------------------------------------------------
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#include <vcl.h>
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#pragma hdrstop
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#include "SkinHintWindow.h"
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#define CLR_BORDER RGB( 100, 108, 119 )
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#define CLR_BKGRND_NOR RGB( 39, 42, 47 )
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//---------------------------------------------------------------------------
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#pragma package(smart_init)
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//---------------------------------------------------------------------------
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__fastcall TSkinHintWindow::TSkinHintWindow(TComponent* Owner)
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: THintWindow(Owner)
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{
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}
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//---------------------------------------------------------------------------
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__fastcall TSkinHintWindow::~TSkinHintWindow()
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{
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}
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//---------------------------------------------------------------------------
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void __fastcall TSkinHintWindow::Paint(void)
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{
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TRect rect = ClientRect;
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// 绘制背景
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Canvas->Brush->Color = CLR_BKGRND_NOR;
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Canvas->FillRect(rect);
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// 绘制边框
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Canvas->Pen->Color = CLR_BORDER;
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Canvas->Rectangle(rect);
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// 输出文字
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Canvas->Brush->Style = bsClear;
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rect.left += 5;
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rect.top += 3;
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DrawText( Canvas->Handle, Caption.c_str(), -1, (RECT*)&rect, DT_LEFT|DT_NOPREFIX|DT_WORDBREAK);
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}
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//---------------------------------------------------------------------------
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void __fastcall TSkinHintWindow::NCPaint(HDC hdc)
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{
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//Invalidate();
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}
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//---------------------------------------------------------------------------
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void __fastcall TSkinHintWindow::CreateParams(TCreateParams &Params)
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{
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THintWindow::CreateParams(Params);
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// 去掉Hint窗口的边框
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Params.Style = Params.Style & ~WS_BORDER;
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}
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//---------------------------------------------------------------------------
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void __fastcall TSkinHintWindow::ActivateHint(const TRect &Rect, const String AHint)
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{
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FActivating = true;
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try
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{
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Caption = AHint;
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TRect r = Rect;
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r.Left -= 2;
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r.Right += 2;
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r.Top -= 2;
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r.Bottom += 4;
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// 更新区域
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UpdateBoundsRect(r);
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// Hint窗口处于屏幕边缘时的调整
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if(r.Top + Height > Screen->DesktopHeight)
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r.Top = Screen->DesktopHeight - Height;
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if(r.Left + Width > Screen->DesktopWidth)
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r.Left = Screen->DesktopWidth - Width;
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if(r.Left < Screen->DesktopLeft)
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r.Left = Screen->DesktopLeft;
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if(r.Bottom < Screen->DesktopTop)
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r.Bottom = Screen->DesktopTop;
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// 创建一个矩形
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HRGN hRgn = CreateRectRgn(0, 0, r.Width(), r.Height());
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//HRGN hRgn = CreateRoundRectRgn(0, 0, r.Width(), r.Height(), 4, 4);
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// 设置指定句柄的窗口形状
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SetWindowRgn(Handle, hRgn, true);
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DeleteObject( hRgn );
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// 改变窗口的位置,Z Order,及其他一些属性
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SetWindowPos(Handle, HWND_TOPMOST, r.Left, r.Top, r.Width(),
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r.Height(), SWP_SHOWWINDOW | SWP_NOACTIVATE);
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// 重画窗口
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Invalidate();
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}
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__finally
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{
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// FActivating = false;
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}
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}
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//---------------------------------------------------------------------------
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void __fastcall TSkinHintWindow::ShowHintWindow( const TPoint &Point, const String Ahint )
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{
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TRect rHint = CalcHintRect( 300, Ahint, NULL );
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OffsetRect( rHint, Point.x, Point.y );
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ActivateHint( rHint, Ahint );
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}
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//---------------------------------------------------------------------------
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