C++ BView::FindView方法代码示例

void
ServerSettingsView::_GetAuthEncrMenu(entry_ref protocol,
	BMenuField*& authField, BMenuField*& sslField)
{
	BMailAccountSettings dummySettings;
	BView *view = new BStringView("", "Not here!");//CreateConfigView(protocol, dummySettings.InboundSettings(),
//		dummySettings, fImageId);

	authField = (BMenuField*)view->FindView("auth_method");
	sslField = (BMenuField*)view->FindView("flavor");

	view->RemoveChild(authField);
	view->RemoveChild(sslField);
	delete view;
}

static filter_result
TextViewFilter(BMessage* message, BHandler**, BMessageFilter* filter)
{
	uchar key;
	if (message->FindInt8("byte", (int8*)&key) != B_OK)
		return B_DISPATCH_MESSAGE;

	ThrowOnAssert(filter != NULL);

	BContainerWindow* window = dynamic_cast<BContainerWindow*>(
		filter->Looper());
	ThrowOnAssert(window != NULL);

	BPoseView* poseView = window->PoseView();
	ThrowOnAssert(poseView != NULL);

	if (key == B_RETURN || key == B_ESCAPE) {
		poseView->CommitActivePose(key == B_RETURN);
		return B_SKIP_MESSAGE;
	}

	if (key == B_TAB) {
		if (poseView->ActivePose()) {
			if (message->FindInt32("modifiers") & B_SHIFT_KEY)
				poseView->ActivePose()->EditPreviousWidget(poseView);
			else
				poseView->ActivePose()->EditNextWidget(poseView);
		}

		return B_SKIP_MESSAGE;
	}

	// the BTextView doesn't respect window borders when resizing itself;
	// we try to work-around this "bug" here.

	// find the text editing view
	BView* scrollView = poseView->FindView("BorderView");
	if (scrollView != NULL) {
		BTextView* textView = dynamic_cast<BTextView*>(
			scrollView->FindView("WidgetTextView"));
		if (textView != NULL) {
			BRect rect = scrollView->Frame();

			if (rect.right + 3 > poseView->Bounds().right
				|| rect.left - 3 < 0)
				textView->MakeResizable(true, NULL);
		}
	}

	return B_DISPATCH_MESSAGE;
}

void
PBox::GetData(BMessage* data){
			
			
			
			BView * panel = fPrefView;
			BMessage cur;
			
			for (int i = 0; fTemplate.FindMessage("setting", i, &cur) == B_OK; i++) {
				const char *name = cur.FindString("name");
				int32 type = -1;
				
				cur.FindInt32("type", &type);
				
				if ( dynamic_cast<BTextControl*>(panel->FindView(name))) { 
//					Free text
					BTextControl * ctrl = (BTextControl*)panel->FindView(name);
				
					switch (type) {
						case B_STRING_TYPE: {
							data->AddString(name, ctrl->Text() );
						} break;
						case B_INT32_TYPE: {
							data->AddInt32(name, atoi(ctrl->Text()) );
						} break;
						default: {
							return;
						};
					};
				} else if (dynamic_cast<BMenuField*>(panel->FindView(name))) {
//					Provided option
					BMenuField * ctrl = (BMenuField*)panel->FindView(name);
					BMenuItem * item = ctrl->Menu()->FindMarked();
					
									
					if (!item) return;
					
					switch (type) {
						case B_STRING_TYPE: {
							data->AddString(name, item->Label() );
							BString index(name);
							index << "_index";
							data->AddInt32(index.String(), ctrl->Menu()->IndexOf(item)); //index 
						} break;
						case  B_INT32_TYPE: {
							data->AddInt32(name, atoi(item->Label()) );
							BString index(name);
							index << "_index";
							data->AddInt32(index.String(), ctrl->Menu()->IndexOf(item)); //index
						} break;
						default: {
							return;
						};
					}
				} else
				if (dynamic_cast<BCheckBox*>(panel->FindView(name))) {
// 					Boolean setting
					BCheckBox * box = (BCheckBox*)panel->FindView(name);
					
					if ( box->Value() == B_CONTROL_ON ) {
						data->AddBool(name,true);
					} else {
						data->AddBool(name,false);
					}
				} else if (dynamic_cast<BTextView *>(panel->FindView(name))) {
					BTextView *view = (BTextView *)panel->FindView(name);
					data->AddString(name, view->Text());
				};
				
				
			};

		
}

void
ImageFilePanel::Show()
{
	if (fImageView == NULL) {
		Window()->Lock();
		BView* background = Window()->ChildAt(0);
		uint32 poseViewResizingMode
			= background->FindView("PoseView")->ResizingMode();
		uint32 countVwResizingMode
			= background->FindView("CountVw")->ResizingMode();
		uint32 vScrollBarResizingMode
			= background->FindView("VScrollBar")->ResizingMode();
		uint32 hScrollBarResizingMode
			= background->FindView("HScrollBar")->ResizingMode();

		background->FindView("PoseView")
			->SetResizingMode(B_FOLLOW_LEFT | B_FOLLOW_TOP);
		background->FindView("CountVw")
			->SetResizingMode(B_FOLLOW_LEFT | B_FOLLOW_TOP);
		background->FindView("VScrollBar")
			->SetResizingMode(B_FOLLOW_LEFT | B_FOLLOW_TOP);
		background->FindView("HScrollBar")
			->SetResizingMode(B_FOLLOW_LEFT | B_FOLLOW_TOP);
		Window()->ResizeBy(0, 70);
		background->FindView("PoseView")->SetResizingMode(poseViewResizingMode);
		background->FindView("CountVw")->SetResizingMode(countVwResizingMode);
		background->FindView("VScrollBar")
			->SetResizingMode(vScrollBarResizingMode);
		background->FindView("HScrollBar")
			->SetResizingMode(hScrollBarResizingMode);

		BRect rect(background->Bounds().left + 15,
			background->Bounds().bottom - 94, background->Bounds().left + 122,
			background->Bounds().bottom - 15);
		fImageView = new BView(rect, "ImageView",
			B_FOLLOW_LEFT | B_FOLLOW_BOTTOM, B_SUBPIXEL_PRECISE);
		fImageView->SetViewColor(background->ViewColor());
		background->AddChild(fImageView);

		rect = BRect(background->Bounds().left + 132,
			background->Bounds().bottom - 85, background->Bounds().right,
			background->Bounds().bottom - 65);
		fResolutionView = new BStringView(rect, "ResolutionView", NULL,
			B_FOLLOW_LEFT | B_FOLLOW_BOTTOM);
		background->AddChild(fResolutionView);

		rect.OffsetBy(0, -16);
		fImageTypeView = new BStringView(rect, "ImageTypeView", NULL,
			B_FOLLOW_LEFT | B_FOLLOW_BOTTOM);
		background->AddChild(fImageTypeView);

		Window()->Unlock();
	}

	BFilePanel::Show();
}

int32
LibraryWindow::ScanThread(void *data)
{
	LibraryWindow *win = (LibraryWindow *)data;

	float maxwidth;
	BRect r(5,5,105,20);
	
	BView *systemheader = win->AddHeader(r.LeftTop(),TR("System Libraries:"));
	
	win->Lock();
	r = systemheader->Frame();
	win->Unlock();
	maxwidth = r.right;
	
	r.OffsetBy(0,r.Height() + 10);
	
	DPath sysPath = GetSystemPath(B_USER_DEVELOP_DIRECTORY);
	sysPath << "lib/x86";
	BRect out = win->ScanFolder(r.LeftTop(),sysPath.GetFullPath(),&maxwidth);
	if (out != BRect(0,0,-1,-1))
	{
		r = out;
		r.OffsetBy(0,10);
	}
	
	if (gPlatform == PLATFORM_HAIKU || gPlatform == PLATFORM_HAIKU_GCC4)
	{
		BView *commonheader = win->AddHeader(r.LeftTop(),TR("Common Libraries:"));
		win->Lock();
		r = commonheader->Frame();
		win->Unlock();
		maxwidth = MAX(r.right,maxwidth);
		
		r.OffsetBy(0,r.Height() + 10);
		
		out = win->ScanFolder(r.LeftTop(),GetSystemPath(B_USER_LIB_DIRECTORY).GetFullPath(),
							&maxwidth);
		if (out != BRect(0,0,-1,-1))
		{
			r = out;
			r.OffsetBy(0,10);
		}
	}
	
	BView *userheader = win->AddHeader(r.LeftTop(),TR("User Libraries:"));
	win->Lock();
	r = userheader->Frame();
	win->Unlock();
	maxwidth = MAX(r.right,maxwidth);
	
	r.OffsetBy(0,r.Height() + 10);
	
	out = win->ScanFolder(r.LeftTop(),GetSystemPath(B_USER_LIB_DIRECTORY).GetFullPath(),
						&maxwidth);
	if (out.IsValid())
	{
		r = out;
		r.OffsetBy(0,10);
	}
	
	win->Lock();
	BView *top = win->GetBackgroundView();
	BScrollView *scrollView = (BScrollView*)top->FindView("scrollView");
	
	BScrollBar *vbar = scrollView->ScrollBar(B_VERTICAL);
	vbar->SetRange(0, r.bottom - scrollView->Bounds().Height());
	vbar->SetSteps(r.Height() * 2.0,r.Height() * 8.0);
	gSettings.Lock();
	BRect savedframe;
	if (gSettings.FindRect("libwin_frame",&savedframe) == B_OK)
		win->ResizeTo(savedframe.Width(),savedframe.Height());
	gSettings.Unlock();
	
	BStringView *label = (BStringView*)top->FindView("label");
	label->SetText(TR("Choose the system libraries for your project."));
	float minw = label->Frame().right + 10;
	win->SetSizeLimits(minw,30000,200,30000);
	if (win->Bounds().Width() < minw)
		win->ResizeTo(minw,win->Bounds().Height());
	win->fScanThread = -1;
	win->Unlock();
	
	return 0;
}

// SavePanel class
SavePanel::SavePanel(const char* name,
					 BMessenger* target,
					 entry_ref* startDirectory,
					 uint32 nodeFlavors,
					 bool allowMultipleSelection,
					 BMessage* message,
					 BRefFilter* filter,
					 bool modal,
					 bool hideWhenDone)
	: BFilePanel(B_SAVE_PANEL, target, startDirectory,
				 nodeFlavors, allowMultipleSelection,
				 message, filter, modal, hideWhenDone),
	  BHandler(name),
	  fConfigWindow(NULL),
	  fFormatM(NULL),
	  fExportMode(EXPORT_MODE_ICON_RDEF)
{
	BWindow* window = Window();
	if (!window || !window->Lock())
		return;

	window->SetTitle(B_TRANSLATE("Save image"));

	// add this instance as BHandler to the window's looper
	window->AddHandler(this);
	
	// find a couple of important views and mess with their layout
	BView* background = Window()->ChildAt(0);
	BButton* cancel = dynamic_cast<BButton*>(background->FindView("cancel button"));
	BView* textview = background->FindView("text view");
	BScrollBar* hscrollbar = dynamic_cast<BScrollBar*>(background->FindView("HScrollBar"));

	if (!background || !cancel || !textview || !hscrollbar) {
		printf("SavePanel::SavePanel() - couldn't find necessary controls.\n");
		return;
	}

	_BuildMenu();

	BRect rect = textview->Frame();
	rect.top = cancel->Frame().top;
	font_height fh;
	be_plain_font->GetHeight(&fh);
	rect.bottom = rect.top + fh.ascent + fh.descent + 5.0;

	fFormatMF = new BMenuField(rect, "format popup", B_TRANSLATE("Format"),
								fFormatM, true,	
								B_FOLLOW_LEFT | B_FOLLOW_BOTTOM,
								B_WILL_DRAW | B_NAVIGABLE);
	fFormatMF->SetDivider(be_plain_font->StringWidth(
		B_TRANSLATE("Format")) + 7);
	fFormatMF->MenuBar()->ResizeToPreferred();
	fFormatMF->ResizeToPreferred();

	float height = fFormatMF->Bounds().Height() + 8.0;

	// find all the views that are in the way and
	// move up them up the height of the menu field
	BView *poseview = background->FindView("PoseView");
	if (poseview) poseview->ResizeBy(0, -height);
	BButton *insert = (BButton *)background->FindView("default button");
	if (hscrollbar) hscrollbar->MoveBy(0, -height);
	BScrollBar *vscrollbar = (BScrollBar *)background->FindView("VScrollBar");
	if (vscrollbar) vscrollbar->ResizeBy(0, -height);
	BView *countvw = (BView *)background->FindView("CountVw");
	if (countvw) countvw->MoveBy(0, -height);
	textview->MoveBy(0, -height);

#if HAIKU_TARGET_PLATFORM_DANO
	fFormatMF->MoveTo(textview->Frame().left, fFormatMF->Frame().top + 2);
#else
	fFormatMF->MoveTo(textview->Frame().left, fFormatMF->Frame().top);
#endif

	background->AddChild(fFormatMF);

	// Build the "Settings" button relative to the format menu
	rect = cancel->Frame();
	rect.OffsetTo(fFormatMF->Frame().right + 5.0, rect.top);
	fSettingsB = new BButton(rect, "settings", 
							 B_TRANSLATE("Settings"B_UTF8_ELLIPSIS),
							 new BMessage(MSG_SETTINGS),
							 B_FOLLOW_LEFT | B_FOLLOW_BOTTOM,
							 B_WILL_DRAW | B_NAVIGABLE);
	fSettingsB->ResizeToPreferred();
	background->AddChild(fSettingsB);
	fSettingsB->SetTarget(this);

	textview->ResizeTo(fSettingsB->Frame().right - fFormatMF->Frame().left,
					   textview->Frame().Height());

	// Make sure the smallest window won't draw the "Settings" button over anything else
	float minWindowWidth = textview->Bounds().Width()
							+ cancel->Bounds().Width()
							+ (insert ? insert->Bounds().Width() : 0.0)
							+ 90;
	Window()->SetSizeLimits(minWindowWidth, 10000, 250, 10000);
	if (Window()->Bounds().IntegerWidth() + 1 < minWindowWidth)
		Window()->ResizeTo(minWindowWidth, Window()->Bounds().Height());
//.........这里部分代码省略.........

void PrefsWindow::MessageReceived(BMessage *msg)
{
	switch (msg->what) {
		case MSG_OK: {				// "Start" button clicked
			read_volumes_prefs();
			read_memory_prefs();
			read_graphics_prefs();
			SavePrefs();
			send_quit_on_close = false;
			PostMessage(B_QUIT_REQUESTED);
			be_app->PostMessage(ok_message);
			break;
		}

		case MSG_CANCEL:			// "Quit" button clicked
			send_quit_on_close = false;
			PostMessage(B_QUIT_REQUESTED);
			be_app->PostMessage(B_QUIT_REQUESTED);
			break;

		case B_ABOUT_REQUESTED: {	// "About" menu item selected
			ShowAboutWindow();
			break;
		}

		case MSG_ZAP_PRAM:			// "Zap PRAM File" menu item selected
			ZapPRAM();
			break;

		case MSG_VOLUME_INVOKED: {	// Double-clicked on volume name, toggle read-only flag
			int selected = volume_list->CurrentSelection();
			if (selected >= 0) {
				const char *str = PrefsFindString("disk", selected);
				BStringItem *item = (BStringItem *)volume_list->RemoveItem(selected);
				delete item;
				char newstr[256];
				if (str[0] == '*')
					strcpy(newstr, str+1);
				else {
					strcpy(newstr, "*");
					strcat(newstr, str);
				}
				PrefsReplaceString("disk", newstr, selected);
				volume_list->AddItem(new BStringItem(newstr), selected);
				volume_list->Select(selected);
			}
			break;
		}

		case MSG_ADD_VOLUME:
			add_volume_panel->Show();
			break;

		case MSG_CREATE_VOLUME:
			create_volume_panel->Show();
			break;

		case MSG_ADD_VOLUME_PANEL: {
			entry_ref ref;
			if (msg->FindRef("refs", &ref) == B_NO_ERROR) {
				BEntry entry(&ref, true);
				BPath path;
				entry.GetPath(&path);
				if (entry.IsFile()) {
					PrefsAddString("disk", path.Path());
					volume_list->AddItem(new BStringItem(path.Path()));
				} else if (entry.IsDirectory()) {
					BVolume volume;
					if (path.Path()[0] == '/' && strchr(path.Path()+1, '/') == NULL && entry.GetVolume(&volume) == B_NO_ERROR) {
						int32 i = 0;
						dev_t d;
						fs_info info;
						while ((d = next_dev(&i)) >= 0) {
							fs_stat_dev(d, &info);
							if (volume.Device() == info.dev) {
								PrefsAddString("disk", info.device_name);
								volume_list->AddItem(new BStringItem(info.device_name));
							}
						}
					}
				}
			}
			break;
		}

		case MSG_CREATE_VOLUME_PANEL: {
			entry_ref dir;
			if (msg->FindRef("directory", &dir) == B_NO_ERROR) {
				BEntry entry(&dir, true);
				BPath path;
				entry.GetPath(&path);
				path.Append(msg->FindString("name"));

				create_volume_panel->Window()->Lock();
				BView *background = create_volume_panel->Window()->ChildAt(0);
				NumberControl *v = (NumberControl *)background->FindView("hardfile_size");
				int size = v->Value();

				char cmd[1024];
				sprintf(cmd, "dd if=/dev/zero \"of=%s\" bs=1024k count=%d", path.Path(), size);
//.........这里部分代码省略.........

PrefsWindow::PrefsWindow(uint32 msg) : BWindow(BRect(0, 0, 400, 289), GetString(STR_PREFS_TITLE), B_TITLED_WINDOW, B_NOT_RESIZABLE | B_NOT_ZOOMABLE | B_ASYNCHRONOUS_CONTROLS), this_messenger(this)
{
	int i;
	ok_message = msg;
	send_quit_on_close = true;
	get_system_info(&sys_info);

	// Move window to right position
	Lock();
	MoveTo(80, 80);

	// Set up menus
	BMenuBar *bar = new BMenuBar(Bounds(), "menu");
	BMenu *menu = new BMenu(GetString(STR_PREFS_MENU));
	menu->AddItem(new BMenuItem(GetString(STR_PREFS_ITEM_ABOUT), new BMessage(B_ABOUT_REQUESTED)));
	menu->AddItem(new BSeparatorItem);
	menu->AddItem(new BMenuItem(GetString(STR_PREFS_ITEM_START), new BMessage(MSG_OK)));
	menu->AddItem(new BMenuItem(GetString(STR_PREFS_ITEM_ZAP_PRAM), new BMessage(MSG_ZAP_PRAM)));
	menu->AddItem(new BSeparatorItem);
	menu->AddItem(new BMenuItem(GetString(STR_PREFS_ITEM_QUIT), new BMessage(MSG_CANCEL), 'Q'));
	bar->AddItem(menu);
	AddChild(bar);
	SetKeyMenuBar(bar);
	int mbar_height = int(bar->Bounds().bottom) + 1;

	// Resize window to fit menu bar
	ResizeBy(0, mbar_height);

	// Light gray background
	BRect b = Bounds();
	top = new BView(BRect(0, mbar_height, b.right, b.bottom), "top", B_FOLLOW_NONE, B_WILL_DRAW);
	AddChild(top);
	top->SetViewColor(fill_color);
	top_frame = top->Bounds();

	// Create panes
	panes[0] = create_volumes_pane();
	panes[1] = create_graphics_pane();
	panes[2] = create_serial_pane();
	panes[3] = create_memory_pane();

	// Prefs item tab view
	pane_tabs = new BTabView(BRect(10, 10, top_frame.right-10, top_frame.bottom-50), "items", B_WIDTH_FROM_LABEL);
	for (i=0; i<NUM_PANES; i++)
		pane_tabs->AddTab(panes[i]);
	top->AddChild(pane_tabs);

	volume_list->Select(0);

	// Create volume file panels
	add_volume_panel = new BFilePanel(B_OPEN_PANEL, &this_messenger, NULL, B_FILE_NODE | B_DIRECTORY_NODE, false, new BMessage(MSG_ADD_VOLUME_PANEL));
	add_volume_panel->SetButtonLabel(B_DEFAULT_BUTTON, GetString(STR_ADD_VOLUME_PANEL_BUTTON));
	add_volume_panel->Window()->SetTitle(GetString(STR_ADD_VOLUME_TITLE));
	create_volume_panel = new BFilePanel(B_SAVE_PANEL, &this_messenger, NULL, B_FILE_NODE | B_DIRECTORY_NODE, false, new BMessage(MSG_CREATE_VOLUME_PANEL));
	create_volume_panel->SetButtonLabel(B_DEFAULT_BUTTON, GetString(STR_CREATE_VOLUME_PANEL_BUTTON));
	create_volume_panel->Window()->SetTitle(GetString(STR_CREATE_VOLUME_TITLE));

	create_volume_panel->Window()->Lock();
	BView *background = create_volume_panel->Window()->ChildAt(0);
	background->FindView("PoseView")->ResizeBy(0, -30);
	background->FindView("VScrollBar")->ResizeBy(0, -30);
	background->FindView("CountVw")->MoveBy(0, -30);
	BView *v = background->FindView("HScrollBar");
	if (v)
		v->MoveBy(0, -30);
	else {
		i = 0;
		while ((v = background->ChildAt(i++)) != NULL) {
			if (v->Name() == NULL || v->Name()[0] == 0) {
				v->MoveBy(0, -30);	// unnamed horizontal scroll bar
				break;
			}
		}
	}
	BView *filename = background->FindView("text view");
	BRect fnr(filename->Frame());
	fnr.OffsetBy(0, -30);
	NumberControl *nc = new NumberControl(fnr, 80, "hardfile_size", GetString(STR_HARDFILE_SIZE_CTRL), 40, NULL);
	background->AddChild(nc);
	create_volume_panel->Window()->Unlock();

	// "Start" button
	BButton *button = new BButton(BRect(20, top_frame.bottom-35, 90, top_frame.bottom-10), "start", GetString(STR_START_BUTTON), new BMessage(MSG_OK));
	top->AddChild(button);
	SetDefaultButton(button);

	// "Quit" button
	top->AddChild(new BButton(BRect(top_frame.right-90, top_frame.bottom-35, top_frame.right-20, top_frame.bottom-10), "cancel", GetString(STR_QUIT_BUTTON), new BMessage(MSG_CANCEL)));

	Unlock();
	Show();
}