messages.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * messages.cpp : wxWindows plugin for vlc
- *****************************************************************************
- * Copyright (C) 2000-2004 VideoLAN
- * $Id: messages.cpp 8175 2004-07-12 06:47:15Z zorglub $
- *
- * Authors: Olivier Teuli鑢e <ipkiss@via.ecp.fr>
- *
- * 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, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <stdlib.h> /* malloc(), free() */
- #include <errno.h> /* ENOMEM */
- #include <string.h> /* strerror() */
- #include <stdio.h>
- #include <vlc/vlc.h>
- #include <vlc/intf.h>
- #include "wxwindows.h"
- /*****************************************************************************
- * Event Table.
- *****************************************************************************/
- /* IDs for the controls and the menu commands */
- enum
- {
- Close_Event,
- Clear_Event,
- Save_Log_Event
- };
- BEGIN_EVENT_TABLE(Messages, wxFrame)
- /* Button events */
- EVT_BUTTON(wxID_OK, Messages::OnClose)
- EVT_BUTTON(wxID_CLEAR, Messages::OnClear)
- EVT_BUTTON(wxID_SAVEAS, Messages::OnSaveLog)
- /* Special events : we don't want to destroy the window when the user
- * clicks on (X) */
- EVT_CLOSE(Messages::OnClose)
- END_EVENT_TABLE()
- /*****************************************************************************
- * Constructor.
- *****************************************************************************/
- Messages::Messages( intf_thread_t *_p_intf, wxWindow *p_parent ):
- wxFrame( p_parent, -1, wxU(_("Messages")), wxDefaultPosition,
- wxDefaultSize, wxDEFAULT_FRAME_STYLE )
- {
- /* Initializations */
- p_intf = _p_intf;
- b_verbose = VLC_FALSE;
- SetIcon( *p_intf->p_sys->p_icon );
- save_log_dialog = NULL;
- b_verbose = VLC_FALSE;
- /* Create a panel to put everything in */
- wxPanel *messages_panel = new wxPanel( this, -1 );
- messages_panel->SetAutoLayout( TRUE );
- /* Create the textctrl and some text attributes */
- textctrl = new wxTextCtrl( messages_panel, -1, wxT(""), wxDefaultPosition,
- wxSize::wxSize( 400, 500 ), wxTE_MULTILINE | wxTE_READONLY |
- wxTE_RICH | wxTE_NOHIDESEL );
- info_attr = new wxTextAttr( wxColour::wxColour( 0, 128, 0 ) );
- err_attr = new wxTextAttr( *wxRED );
- warn_attr = new wxTextAttr( *wxBLUE );
- dbg_attr = new wxTextAttr( *wxBLACK );
- /* Create the OK button */
- wxButton *ok_button = new wxButton( messages_panel, wxID_OK,
- wxU(_("Close")));
- ok_button->SetDefault();
- /* Create the Clear button */
- wxButton *clear_button = new wxButton( messages_panel, wxID_CLEAR,
- wxU(_("Clear")));
- clear_button->SetDefault();
- /* Create the Save Log button */
- wxButton *save_log_button = new wxButton( messages_panel, wxID_SAVEAS,
- wxU(_("Save As...")));
- save_log_button->SetDefault();
- /* Place everything in sizers */
- wxBoxSizer *buttons_sizer = new wxBoxSizer( wxHORIZONTAL );
- buttons_sizer->Add( ok_button, 0, wxEXPAND |wxALIGN_LEFT| wxALL, 5 );
- buttons_sizer->Add( clear_button, 0, wxEXPAND |wxALIGN_LEFT| wxALL, 5 );
- buttons_sizer->Add( save_log_button, 0, wxEXPAND |wxALIGN_LEFT| wxALL, 5 );
- buttons_sizer->Add( new wxPanel( this, -1 ), 1, wxALL, 5 );
- buttons_sizer->Layout();
- wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
- wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
- panel_sizer->Add( textctrl, 1, wxEXPAND | wxALL, 5 );
- panel_sizer->Add( buttons_sizer, 0, wxEXPAND | wxALL, 5 );
- panel_sizer->Layout();
- messages_panel->SetSizerAndFit( panel_sizer );
- main_sizer->Add( messages_panel, 1, wxGROW, 0 );
- main_sizer->Layout();
- SetSizerAndFit( main_sizer );
- }
- Messages::~Messages()
- {
- /* Clean up */
- if( save_log_dialog ) delete save_log_dialog;
- delete info_attr;
- delete err_attr;
- delete warn_attr;
- delete dbg_attr;
- }
- bool Messages::Show( bool show )
- {
- b_verbose = show;
- return wxFrame::Show( show );
- }
- void Messages::UpdateLog()
- {
- msg_subscription_t *p_sub = p_intf->p_sys->p_sub;
- int i_start;
- vlc_mutex_lock( p_sub->p_lock );
- int i_stop = *p_sub->pi_stop;
- vlc_mutex_unlock( p_sub->p_lock );
- if( p_sub->i_start != i_stop )
- {
- for( i_start = p_sub->i_start;
- i_start != i_stop;
- i_start = (i_start+1) % VLC_MSG_QSIZE )
- {
- if( !b_verbose &&
- VLC_MSG_ERR != p_sub->p_msg[i_start].i_type )
- continue;
- /* Append all messages to log window */
- textctrl->SetDefaultStyle( *dbg_attr );
- (*textctrl) << wxL2U(p_sub->p_msg[i_start].psz_module);
- switch( p_sub->p_msg[i_start].i_type )
- {
- case VLC_MSG_INFO:
- (*textctrl) << wxT(": ");
- textctrl->SetDefaultStyle( *info_attr );
- break;
- case VLC_MSG_ERR:
- (*textctrl) << wxT(" error: ");
- textctrl->SetDefaultStyle( *err_attr );
- break;
- case VLC_MSG_WARN:
- (*textctrl) << wxT(" warning: ");
- textctrl->SetDefaultStyle( *warn_attr );
- break;
- case VLC_MSG_DBG:
- default:
- (*textctrl) << wxT(" debug: ");
- break;
- }
- /* Add message */
- (*textctrl) << wxL2U(p_sub->p_msg[i_start].psz_msg) << wxT("n");
- }
- vlc_mutex_lock( p_sub->p_lock );
- p_sub->i_start = i_start;
- vlc_mutex_unlock( p_sub->p_lock );
- }
- }
- /*****************************************************************************
- * Private methods.
- *****************************************************************************/
- void Messages::OnClose( wxCommandEvent& WXUNUSED(event) )
- {
- Hide();
- }
- void Messages::OnClear( wxCommandEvent& WXUNUSED(event) )
- {
- textctrl->Clear();
- }
- void Messages::OnSaveLog( wxCommandEvent& WXUNUSED(event) )
- {
- if( save_log_dialog == NULL )
- save_log_dialog = new wxFileDialog( this,
- wxU(_("Save Messages As...")),
- wxT(""), wxT("messages"), wxT("*"), wxSAVE | wxOVERWRITE_PROMPT );
- if( save_log_dialog && save_log_dialog->ShowModal() == wxID_OK )
- {
- if( !textctrl->SaveFile( save_log_dialog->GetPath() ) )
- {
- // [FIX ME] should print an error message
- }
- }
- }