channel_list.cpp

linux下实现视频播放的播放器

/*
 *  Copyright (C) 2008  gulikoza, mtrooper
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/* $Id$ */

#include "main.h"

#if (C_HAVE_WXGUI)

#include "Channel_List.h"
#include "../resource/friptv.xpm"

int wxCALLBACK channelListViewCompareFunction(long item1, long item2, long sortData)
{
    int result = 0;
    long col = sortData / 2;
    bool asc = (bool)(sortData % 2);

    switch (col) {
	case 0:
	    result = item1 - item2;
	    break;
	case 1:
	    result = strcasecmp(sdl.channel->GetName(item1 - 1).c_str(), sdl.channel->GetName(item2 - 1).c_str());
	    break;
    }

    if(!asc) result = -result;
    return result;
}

Channel_List::Channel_List(wxWindow * parent, wxWindowID id, const wxString & title, const wxPoint & position,
			   const wxSize & size, long style) : wxDialog(parent, id, title, position, size, style),
			   num(0), sortColumn(0), sortAsc(true)
{
    CreateGUIControls();
}

Channel_List::~Channel_List()
{
}

void Channel_List::CreateGUIControls()
{
    SetTitle(wxT("Channel List"));
    SetIcon(wxIcon(friptv_xpm));
    SetSize(185, 78, 390, 280);
    Center();

    channelListView = new wxListView(this, ID_WXLISTCTRL, wxPoint(0, 0), wxSize(383, 247),
		       wxLC_REPORT | wxLC_SINGLE_SEL | wxSUNKEN_BORDER);

    channelListView->InsertColumn(0, "No.", wxLIST_FORMAT_CENTRE);
    channelListView->InsertColumn(1, "Channel", wxLIST_FORMAT_LEFT);

    channelListView->Connect(wxEVT_COMMAND_LIST_ITEM_ACTIVATED,
			     wxListEventHandler(Channel_List::OnchannelListViewItemActivated),
			     NULL, this);

    channelListView->Connect(wxEVT_COMMAND_LIST_COL_CLICK,
			     wxListEventHandler(Channel_List::OnchannelListViewColumnClick),
			     NULL, this);

    Connect(wxEVT_CLOSE_WINDOW, wxCloseEventHandler(Channel_List::OnClose));
    Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(Channel_List::OnChannelListKeyDown));
    Connect(wxEVT_ACTIVATE,wxActivateEventHandler(Channel_List::OnActivate));
    channelListView->Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(Channel_List::OnChannelListKeyDown), NULL, this);
}

void Channel_List::OnActivate(wxActivateEvent &event)
{
    if(channelListView->GetItemCount() == 0) {
	wxString channelNumber, channelName = sdl.channel->GetName(num).c_str();
	while(!channelName.IsEmpty()) {
	    long chanNumber = num + 1;

	    channelNumber.Printf("%d", chanNumber);
	    long index = channelListView->InsertItem(0, channelNumber);

	    channelListView->SetItem(index, 1, channelName);
	    channelListView->SetItemData(index, chanNumber);
	    num++; channelName = sdl.channel->GetName(num).c_str();
	}

	channelListView->SetColumnWidth(0, 35);
	channelListView->SetColumnWidth(1, wxLIST_AUTOSIZE);

	long sortData = sortColumn * 2 + (long)sortAsc;
	channelListView->SortItems(channelListViewCompareFunction, sortData);
    }
}

void Channel_List::OnClose(wxCloseEvent& event)
{
    Show(false);
}

void Channel_List::OnchannelListViewItemActivated(wxListEvent& event)
{
    long index = event.GetIndex();
    long channelNumber = channelListView->GetItemData(index);

    sdl.channel->SetChannel(channelNumber);
#ifdef WIN32
    ::SetForegroundWindow(sdl.hwnd);
#endif
}

void Channel_List::FocusChanel(long channelNum)
{
    long index = channelListView->FindItem(-1, channelNum);

    if(index != -1) {
	channelListView->SetItemState(index, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
	channelListView->EnsureVisible(index);
    }
}

void Channel_List::OnchannelListViewColumnClick(wxListEvent& event)
{
    if(sortColumn == event.GetColumn()) {
	sortAsc = !sortAsc;
    } else {
	sortColumn = event.GetColumn();
	sortAsc = true;
    }

    long sortData = sortColumn * 2 + (long)sortAsc;
    channelListView->SortItems(channelListViewCompareFunction, sortData);
}

void Channel_List::OnChannelListKeyDown(wxKeyEvent& event)
{
    if((event.GetKeyCode() == 'L') || (event.GetKeyCode() == WXK_ESCAPE)) {
	Show(false);
    }
}

#endif // C_HAVE_WXGUI