30、wxWidgets小部件之wxListBox

本文主要是介绍30、wxWidgets小部件之wxListBox，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

还可以参考

1.wxListCtrl https://docs.wxwidgets.org/3.0/classwx_list_ctrl.html

2.wxDataViewCtrl https://docs.wxwidgets.org/3.0/classwx_data_view_ctrl.html

#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif // WX_PRECOMP

#include <wx/listbox.h>
#include "mypanel.h"

class Simple:public wxFrame
{
public:
    Simple(const wxString& title);
    wxListBox* listbox;

protected:
    void OnDblClick(wxCommandEvent& event);

    MyPanel* btnPanel;

};

Simple::Simple(const wxString& title)
    :wxFrame(NULL,-1,title)
{
    wxPanel* panel = new wxPanel(this,-1);

    listbox = new wxListBox(panel,-1,wxPoint(-1,-1),wxSize(-1,-1));
//                            ,0
//                            ,NULL
//                            ,wxLB_MULTIPLE|wxLB_SORT);

    btnPanel=new MyPanel(panel);

    wxBoxSizer* szMain = new wxBoxSizer(wxHORIZONTAL);
    szMain->Add(listbox,1,wxEXPAND|wxALL,20);
    szMain->Add(btnPanel,0,wxEXPAND|wxRIGHT,20);

    Bind(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,Simple::OnDblClick,this);

    panel->SetSizer(szMain);

    Centre();
}

void Simple::OnDblClick(wxCommandEvent& event)
{
    wxString text,renamed;

    int sel = listbox->GetSelection();
    if (sel != -1) {
        text = listbox->GetString(sel);
        renamed = wxGetTextFromUser(wxT("新项目名称"),
                                    wxT("重全名"), text);
    }

    if (!renamed.IsEmpty())
    {
        listbox->Delete(sel);
        listbox->Insert(renamed, sel);
    }
}
 

#include <wx/wx.h>
#include <wx/listbox.h>
#include "simple.h"

class MyPanel:public wxPanel
{
public:
    MyPanel(wxPanel* parent);

protected:
    void btnNew_Click(wxCommandEvent& event);
    void btnRename_Click(wxCommandEvent& event);
    void btnClear_Click(wxCommandEvent& event);
    void btnDel_Click(wxCommandEvent& event);

    wxListBox* m_lbData;

    wxButton* btnNew;
    wxButton* btnRename;
    wxButton* btnClear;
    wxButton* btnDel;

};

MyPanel::MyPanel(wxPanel* parent)
    :wxPanel(parent,wxID_ANY)
{

    wxBoxSizer* vbox = new wxBoxSizer(wxVERTICAL);

    Simple* simple = (Simple*)parent->GetParent();
    m_lbData = simple->listbox;

    btnNew=new wxButton(this,-1,"New");
    btnDel=new wxButton(this,-1,"Del");
    btnRename=new wxButton(this,-1,"Rename");
    btnClear=new wxButton(this,-1,"Clear");

    vbox->Add(-1,20);
    vbox->Add(btnNew,0,wxTOP,5);
    vbox->Add(btnRename,0,wxTOP,5);
    vbox->Add(btnDel,0,wxTOP,5);
    vbox->Add(btnClear,0,wxTOP,5);

    Bind(wxEVT_COMMAND_BUTTON_CLICKED,MyPanel::btnNew_Click,this,btnNew->GetId());
    Bind(wxEVT_COMMAND_BUTTON_CLICKED,MyPanel::btnRename_Click,this,btnRename->GetId());
    Bind(wxEVT_COMMAND_BUTTON_CLICKED,MyPanel::btnDel_Click,this,btnDel->GetId());
    Bind(wxEVT_COMMAND_BUTTON_CLICKED,MyPanel::btnClear_Click,this,btnClear->GetId());

    m_lbData->Append(wxT("测试1"));
    m_lbData->Append(wxT("测试2"));
    m_lbData->Append(wxT("测试3"));
    m_lbData->Append(wxT("测试4"));
    m_lbData->Append(wxT("测试5"));
    m_lbData->Append(wxT("测试6"));

    SetSizer(vbox);

}

void MyPanel::btnNew_Click(wxCommandEvent& event)
{
    wxString str = wxGetTextFromUser(wxT("项目名称"),wxT("增加新项"));
    if(str.length()>0){
        m_lbData->Append(str);
    }
}

void MyPanel::btnDel_Click(wxCommandEvent& event)
{
    int sel = m_lbData->GetSelection();
    if(sel != -1) m_lbData->Delete(sel);

}

void MyPanel::btnClear_Click(wxCommandEvent& event)
{
    m_lbData->Clear();
}

void MyPanel::btnRename_Click(wxCommandEvent& event)
{
    wxString text,renamed;

    int sel = m_lbData->GetSelection();
    if (sel != -1) {
        text = m_lbData->GetString(sel);
        renamed = wxGetTextFromUser(wxT("新项目名称"),
                                    wxT("重全名"), text);
    }

    if (!renamed.IsEmpty())
    {
        m_lbData->Delete(sel);
        m_lbData->Insert(renamed, sel);
    }
}

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