自学教程：C++ unlock_window函数代码示例

int VWindowGUI::keypress_event(){	int result = 0;	switch(get_keypress())	{		case 'w':		case 'W':			close_event();			result = 1;			break;		case 'z':			mwindow->undo_entry(this);			break;		case 'Z':			mwindow->redo_entry(this);			break;		case 'f':			unlock_window();			if(mwindow->session->vwindow_fullscreen)				canvas->stop_fullscreen();			else				canvas->start_fullscreen();			lock_window("VWindowGUI::keypress_event 1");			break;		case ESC:			unlock_window();			if(mwindow->session->vwindow_fullscreen)				canvas->stop_fullscreen();			lock_window("VWindowGUI::keypress_event 2");			break;	}	if(!result) result = transport->keypress_event();		return result;}

void MainError::show_error_local(const char *string){SET_TRACE// assume user won't get to closing the GUI here	lock_window("MainError::show_error_local");SET_TRACE	if(get_gui())	{SET_TRACE		MainErrorGUI *gui = (MainErrorGUI*)get_gui();		gui->lock_window("MainError::show_error_local");SET_TRACE		append_error(string);SET_TRACE		gui->list->update(&errors,			0,			0,			1,			gui->list->get_xposition(),			gui->list->get_yposition(),			gui->list->get_highlighted_item(),  // Flat index of item cursor is over			0,     // set all autoplace flags to 1			1);SET_TRACE		gui->unlock_window();		unlock_window();SET_TRACE		start();SET_TRACE	}	else	{

int BatchRenderStop::handle_event(){	unlock_window();	thread->stop_rendering();	lock_window("BatchRenderStop::handle_event");	return 1;}

int StopButton::handle_event(){	unlock_window();	transport->handle_transport(STOP, 0, 0);	lock_window("StopButton::handle_event");	return 1;}

void VorbisConfigAudio::create_objects(){	int x = 10, y = 10;	int x1 = 150;	char string[BCTEXTLEN];	lock_window("VorbisConfigAudio::create_objects");	add_tool(fixed_bitrate = new VorbisFixedBitrate(x, y, this));	add_tool(variable_bitrate = new VorbisVariableBitrate(x1, y, this));	y += 30;	sprintf(string, "%d", asset->vorbis_min_bitrate);	add_tool(new BC_Title(x, y, _("Min bitrate:")));	add_tool(new VorbisMinBitrate(x1, y, this, string));	y += 30;	add_tool(new BC_Title(x, y, _("Avg bitrate:")));	sprintf(string, "%d", asset->vorbis_bitrate);	add_tool(new VorbisAvgBitrate(x1, y, this, string));	y += 30;	add_tool(new BC_Title(x, y, _("Max bitrate:")));	sprintf(string, "%d", asset->vorbis_max_bitrate);	add_tool(new VorbisMaxBitrate(x1, y, this, string));	add_subwindow(new BC_OKButton(this));	show_window();	flush();	unlock_window();}

int RecordGUIStop::handle_event(){	unlock_window();	record_transport->stop_writing();	lock_window("RecordGUIStop::handle_event");	return 1;}

int ChannelEditMoveDown::handle_event(){	lock_window("ChannelEditMoveDown::handle_event");	window->move_channel_down();	unlock_window();	return 1;}

void MenuEffectWindow::create_objects(){	int x, y;	result = -1;	mwindow->theme->get_menueffect_sizes(plugin_list ? 1 : 0);	lock_window("MenuEffectWindow::create_objects");// only add the list if needed	if(plugin_list)	{		add_subwindow(list_title = new BC_Title(mwindow->theme->menueffect_list_x, 			mwindow->theme->menueffect_list_y, 			_("Select an effect")));		add_subwindow(list = new MenuEffectWindowList(this, 			mwindow->theme->menueffect_list_x, 			mwindow->theme->menueffect_list_y + list_title->get_h() + 5, 			mwindow->theme->menueffect_list_w,			mwindow->theme->menueffect_list_h - list_title->get_h() - 5,			plugin_list));	}	add_subwindow(file_title = new BC_Title(		mwindow->theme->menueffect_file_x, 		mwindow->theme->menueffect_file_y, 		(char*)((menueffects->strategy == FILE_PER_LABEL  || menueffects->strategy == FILE_PER_LABEL_FARM) ? 			_("Select the first file to render to:") : 			_("Select a file to render to:"))));	x = mwindow->theme->menueffect_tools_x;	y = mwindow->theme->menueffect_tools_y;	format_tools = new FormatTools(mwindow,					this, 					asset);	format_tools->create_objects(x, 					y, 					asset->audio_data, 					asset->video_data, 					0, 					0, 					0,					1,					0,					0,					&menueffects->strategy,					0);	loadmode = new LoadMode(mwindow, 		this, 		x, 		y, 		&menueffects->load_mode, 		1,		0);	loadmode->create_objects();	add_subwindow(new MenuEffectWindowOK(this));	add_subwindow(new MenuEffectWindowCancel(this));	show_window();	unlock_window();}

int RecordGUIStop::handle_event(){	unlock_window();	record->stop_operation(1);	lock_window("RecordGUIStop::handle_event");	return 1;}

void ClipEditWindow::create_objects(){	lock_window("ClipEditWindow::create_objects");	this->create_it = thread->create_it;	int x = 10, y = 10;	int x1 = x;	BC_TextBox *textbox;	BC_TextBox *titlebox;	BC_Title *title;	add_subwindow(title = new BC_Title(x1, y, _("Title:")));	y += title->get_h() + 5;	add_subwindow(titlebox = new ClipEditTitle(this, x1, y, get_w() - x1 * 2));	y += titlebox->get_h() + 10;	add_subwindow(title = new BC_Title(x1, y, _("Comments:")));	y += title->get_h() + 5;	add_subwindow(textbox = new ClipEditComments(this, 		x1, 		y, 		get_w() - x1 * 2, 		BC_TextBox::pixels_to_rows(this, 			MEDIUMFONT, 			get_h() - 10 - BC_OKButton::calculate_h() - y)));	add_subwindow(new BC_OKButton(this));	add_subwindow(new BC_CancelButton(this));	show_window();	titlebox->activate();	unlock_window();}

int RecordGUIStartBatches::handle_event(){	unlock_window();	record->start_recording(0, CONTEXT_BATCH);	lock_window("RecordGUIStartBatches::handle_event");	return 1;}

void ChannelEditWindow::scan_confirm(){	channel_picker->load_scan_defaults(&thread->scan_params);	if(!scan_confirm_thread) scan_confirm_thread = new ConfirmScanThread(this);	unlock_window();	scan_confirm_thread->start();	lock_window("ChannelEditWindow::scan_confirm");}

void CreateDVD_GUI::create_objects(){	lock_window("CreateDVD_GUI::create_objects");	int pady = BC_TextBox::calculate_h(this, MEDIUMFONT, 0, 1) + 5;	int padx = BC_Title::calculate_w(this, (char*)"X", MEDIUMFONT);	int x = padx/2, y = pady/2;	BC_Title *title = new BC_Title(x, y, "Title:", MEDIUMFONT, YELLOW);	add_subwindow(title);	at_x = x + title->get_w();  at_y = y;	asset_title = new CreateDVD_AssetTitle(this, at_x, at_y, get_w()-at_x-10);	add_subwindow(asset_title);	y += title->get_h() + pady/2;	title = new BC_Title(x, y, "tmp path:", MEDIUMFONT, YELLOW);	add_subwindow(title);	tmp_x = x + title->get_w();  tmp_y = y;	tmp_path = new CreateDVD_TmpPath(this, tmp_x, tmp_y,  get_w()-tmp_x-10);	add_subwindow(tmp_path);	y += title->get_h() + pady/2;	disk_space = new CreateDVD_DiskSpace(this, x, y);	add_subwindow(disk_space);	disk_space->update();	y += disk_space->get_h() + pady/2;	need_deinterlace = new CreateDVD_Deinterlace(this, x, y);	add_subwindow(need_deinterlace);	int x1 = x + 150, x2 = x1 + 150;	need_inverse_telecine = new CreateDVD_InverseTelecine(this, x1, y);	add_subwindow(need_inverse_telecine);	need_use_ffmpeg = new CreateDVD_UseFFMpeg(this, x2, y);	add_subwindow(need_use_ffmpeg);	y += need_deinterlace->get_h() + pady/2;	need_scale = new CreateDVD_Scale(this, x, y);	add_subwindow(need_scale);	need_wide_audio = new CreateDVD_WideAudio(this, x1, y);	add_subwindow(need_wide_audio);	need_resize_tracks = new CreateDVD_ResizeTracks(this, x2, y);	add_subwindow(need_resize_tracks);	y += need_scale->get_h() + pady/2;	need_histogram = new CreateDVD_Histogram(this, x, y);	add_subwindow(need_histogram);	need_wide_aspect = new CreateDVD_WideAspect(this, x1, y);	add_subwindow(need_wide_aspect);	need_label_chapters = new CreateDVD_LabelChapters(this, x2, y);	add_subwindow(need_label_chapters);	ok_w = BC_OKButton::calculate_w();	ok_h = BC_OKButton::calculate_h();	ok_x = 10;	ok_y = get_h() - ok_h - 10;	ok = new CreateDVD_OK(this, ok_x, ok_y);	add_subwindow(ok);	cancel_w = BC_CancelButton::calculate_w();	cancel_h = BC_CancelButton::calculate_h();	cancel_x = get_w() - cancel_w - 10,	cancel_y = get_h() - cancel_h - 10;	cancel = new CreateDVD_Cancel(this, cancel_x, cancel_y);	add_subwindow(cancel);	show_window();	unlock_window();}

void PreferencesWindow::update_rates(){	lock_window("PreferencesWindow::update_rates");	if(thread->current_dialog == PreferencesThread::PERFORMANCE)	{		dialog->update_rates();	}	unlock_window();}

int PluginOn::handle_event(){	plugin->on = get_value();	unlock_window();	mwindow->restart_brender();	mwindow->sync_parameters(CHANGE_EDL);	lock_window("PluginOn::handle_event");	return 1;}

int RecordMonitorGUI::redraw(){	lock_window("RecordMonitorGUI::redraw");	int w = mwindow->session->rmonitor_w;	int h = mwindow->session->rmonitor_h;	int result = resize_event(w, h);	unlock_window();	return result;}

int RecordMonitorGUI::close_event(){	thread->record->set_video_monitoring(0);	thread->record->set_audio_monitoring(0);	thread->record->video_window_open = 0;	unlock_window();	lock_window("RecordMonitorGUI::close_event");	hide_window();	return 0;}

int PluginShow::handle_event(){	unlock_window();	if(get_value()) 		mwindow->show_plugin(plugin);	else		mwindow->hide_plugin(plugin, 1);	lock_window("PluginShow::handle_event");	return 1;}