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下载澳门新葡亰官网App:ListBox自画的另一种效果



本文示例源代码或素材下载

本文代码简单实现了类似CnPack中的一个界面效果,使用TListBox的自画。

演示图片:

//---------------------------------------------------------------------------

// ListBox自画的另一种效果

// by ccrun(老妖)

// info ccrun.com

//---------------------------------------------------------------------------

#include

#pragma hdrstop

#include "Unit1.h"

#include "Unit2.h"

//---------------------------------------------------------------------------

#pragma package(smart_init)

#pragma resource "*.dfm"

TMainForm *MainForm;

//---------------------------------------------------------------------------

__fastcall TMainForm::TMainForm(TComponent* Owner)

: TForm(Owner)

{

// ListBox的风格,要自画必须选lbOwnerDrawFixed和lbOwnerDrawVariable

lbxMain->Style = lbOwnerDrawFixed;

// 去掉落ListBox的边框,可有可无

lbxMain->Ctl3D = false;

// ListBox的每一项的高度

lbxMain->ItemHeight = 50;

pStrList = new TStringList;

// 往ListBox中添加些数据

for(int i=0; iItems->Add("ListBox Items of " + String(i));

pStrList->Add("Second of " + String(i) + String((char)0x03) + "Third of " + String(i));

}

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::lbxMainDrawItem(TWinControl *Control, int Index,

TRect &Rect, TOwnerDrawState State)

{

// 添补的背景颜色

lbxMain->Canvas->Brush->Color = clWhite;

// 翰墨颜色

lbxMain->Canvas->Font->Color = clBlack;

// 添补背景

lbxMain->Canvas->FillRect (Rect) ;

// 圆角矩形的背景颜色

lbxMain->Canvas->Brush->Color = TColor(0x00FFF7F7);

// 圆角矩形的边框颜色

lbxMain->Canvas->Pen->Color = TColor(0x00131315);

// 画出圆角矩形

lbxMain->Canvas->RoundRect(Rect.Left + 3, Rect.Top + 3,

Rect.Right - 2, Rect.Bottom - 2, 8, 8);

// 以不合的宽度和高度再画一次,实现立体效果

lbxMain->Canvas->RoundRect(Rect.Left + 3, Rect.Top + 3,

Rect.Right - 3, Rect.Bottom - 3, 5, 5);

// 假如是下载澳门新葡亰官网App当前选中项

if(State.Contains(odSelected))

{

// 选中项的背景颜色

lbxMain->Canvas->Brush->Color = TColor(0x00FFB2B5);

// 以不合的背景致画出选中项的圆角矩形

lbxMain->Canvas->RoundRect(Rect.Left + 3, Rect.Top + 下载澳门新葡亰官网App3,

Rect.Right - 3, Rect.Bottom - 3, 5, 5);

// 选中项的翰墨颜色

lbxMain->Canvas->Font->Color = clBlue;

// 假如当前项拥有焦点

if(State.Contains(odFocused))

// 重画焦点虚框,实际上便是擦除了本来的焦点虚框

// 我看到CnPack的设置中好象没有去除那个框. ccrun注

::DrawFocusRect(lbxMain->Canvas->Handle, &Rect);

}

// 画出图标

ImageList1->Draw(lbxMain->Canvas, Rect.Left + 7,

Rect.top + (lbxMain->ItemHeight - ImageList1->Height)/2, Index, true);

// Item的第一行翰墨

lbxMain->Canvas->TextOutA(Rect.Left + 32 + 10, Rect.Top + 4,

lbxMain->Items->Strings[Index]);

String strTemp = pStrList->Strings[Index];

// Item的第二行翰墨

lbxMain->Canvas->TextOutA(Rect.Left + 32 + 10, Rect.Top + 18,

strTemp.SubString(1, strTemp.Pos((char)0x03) - 1).c_str());

// Item的第三行翰墨

lbxMain->Canvas->TextOut下载澳门新葡亰官网AppA(Rect.Left + 32 + 10, Rect.Top + 32,

strTemp.SubString(strTemp.Pos((char)0x03) + 1, strTemp.Length()).c_str());

}

//---------------------------------------------------------------------------

// 点击ListBox今后显示点击的项目

void __fastcall TMainForm::lbxMainClick(TObject *Sender)

{

pnlStatusBar->Caption = " " + lbxMain->Items->Strings[lbxMain->ItemIndex];

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::FormShow(TObject *Sender)

{

lbxMain->ItemIndex = 0;

lbxMain->Repaint();

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::FormDestroy(TObject *Sender)

{

delete pStrList;

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::lbxMainDblClick(TObject *Sender)

{

TEditForm *p = new TEditForm(MainForm);

p->edtFirst->Text = lbxMain->Items->Strings[lbxMain->ItemIndex];

String strTemp = pStrList->Strings[lbxMain->ItemIndex];

p->edtSecond->Text = strTemp.SubString(1, strTemp.Pos((char)0x03) - 1);

p->edtThird->Text = strTemp.SubString(strTemp.Pos((char)0x03) + 1, strTemp.Length());

p->pnlTitle->Caption = " 当前ListBox选中项:" + String(lbxMain->ItemIndex);

p->pnlTitle->Tag = lbxMain->ItemIndex;

p->Left = Left + (Widt下载澳门新葡亰官网Apph - p->Width) / 2;

p->Top = Top + (Height - p->Height) / 2;

p->ShowModal();

delete p;

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::pnlTitleMouseDown(TObject *Sender,

TMouseButton Button, TShiftState Shift, int X, int Y)

{

// 移动没有标题栏的窗体

Refresh();

if(Button == mbLeft)

{

ReleaseCapture();

Perform(WM_SYSCOMMAND, 0xF017, 0);

}

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::btnMenuCloseClick(TObject *Sender)

{

Close();

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::下载澳门新葡亰官网AppbtnMenuUpDownClick(TObject *Sender)

{

if(btnMenuUpDown->Caption == "6")

{

// 还原窗体

btnMenuUpDown->Caption = "5";

Height = 310;

}

else

{

// 上卷窗体

btnMenuUpDown->Caption = "6";

Height = 25;

}

}

//---------------------------------------------------------------------------

void __fastcall TMainForm::imgLogoClick(TObject *Sender)

{

// 打开 C++Builder钻研 网站

ShellExecute(Handle, NULL, "http://www.ccrun.com",

NULL, NULL, SW_SHOWNORMAL);

}

//---------------------------------------------------------------------------

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