[C++知识库]20、wxWidgets小部件之wxListBox

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);
? ? }
}