Working serial connection.

Still need some work on displaying the right chars at the right place.

src/apps/serialconnect/SerialApp.cpp

@@ -4,6 +4,8 @@
  */
 
 
+#include <stdio.h>
+
 #include "SerialApp.h"
 
 #include "SerialWindow.h"
@@ -15,7 +17,7 @@ SerialApp::SerialApp()
 {
 	fWindow = new SerialWindow();
 
-	serialLock = create_sem(0, "Serial port lock");
+	fSerialLock = create_sem(0, "Serial port lock");
 	thread_id id = spawn_thread(PollSerial, "Serial port poller",
 		B_LOW_PRIORITY, this);
 	resume_thread(id);
@@ -36,15 +38,25 @@ void SerialApp::MessageReceived(BMessage* message)
 		{
 			const char* portName;
 			message->FindString("port name", &portName);
-			serialPort.Open(portName);
-			release_sem(serialLock);
+			fSerialPort.Open(portName);
+			release_sem(fSerialLock);
 			break;
 		}
 		case kMsgDataRead:
 		{
-			// TODO forward to the window	
+			// forward the message to the window, which will display the
+			// incoming data
+			fWindow->PostMessage(message);
 			break;
 		}
+		case kMsgDataWrite:
+		{
+			const char* bytes;
+			ssize_t size;
+
+			message->FindData("data", B_RAW_TYPE, &(const void*)bytes, &size);
+			fSerialPort.Write(bytes, size);
+		}
 		default:
 			BApplication::MessageReceived(message);
 	}
@@ -61,16 +73,15 @@ status_t SerialApp::PollSerial(void*)
 	{
 		ssize_t bytesRead;
 
-		bytesRead = application->serialPort.Read(buffer, 256);
+		bytesRead = application->fSerialPort.Read(buffer, 256);
 		if (bytesRead == B_FILE_ERROR)
 		{
 			// Port is not open - wait for it and start over
-			acquire_sem(application->serialLock);
-		} else {
+			acquire_sem(application->fSerialLock);
+		} else if (bytesRead > 0) {
 			// We read something, forward it to the app for handling
 			BMessage* serialData = new BMessage(kMsgDataRead);
-			// TODO bytesRead is not nul terminated. Use generic data rather
-			serialData->AddString("data", buffer);
+			serialData->AddData("data", B_RAW_TYPE, buffer, bytesRead);
 			be_app_messenger.SendMessage(serialData);
 		}
 	}

src/apps/serialconnect/SerialApp.h

@@ -19,17 +19,19 @@ class SerialApp: public BApplication
 		void MessageReceived(BMessage* message);
 
 	private:
-		BSerialPort serialPort;
-		static status_t PollSerial(void*);
-
-		sem_id serialLock;
+		BSerialPort fSerialPort;
+		sem_id fSerialLock;
 		SerialWindow* fWindow;
 
+		static status_t PollSerial(void*);
+
 		static const char* kApplicationSignature;
 };
 
+
 enum messageConstants {
-	kMsgOpenPort = 'open',
-	kMsgDataRead = 'dare',
+	kMsgOpenPort  = 'open',
+	kMsgDataRead  = 'dare',
+	kMsgDataWrite = 'dawr',
 };
 

src/apps/serialconnect/SerialWindow.cpp

@@ -12,21 +12,22 @@
 #include <MenuItem.h>
 #include <SerialPort.h>
 
+#include "SerialApp.h"
 #include "TermView.h"
 
 
 SerialWindow::SerialWindow()
 	:
 	BWindow(BRect(100, 100, 400, 400), SerialWindow::kWindowTitle,
-		B_DOCUMENT_WINDOW, B_QUIT_ON_WINDOW_CLOSE)
+		B_DOCUMENT_WINDOW, B_QUIT_ON_WINDOW_CLOSE | B_AUTO_UPDATE_SIZE_LIMITS)
 {
 	SetLayout(new BGroupLayout(B_VERTICAL, 0.0f));
 
 	BMenuBar* menuBar = new BMenuBar("menuBar");
-	TermView* termView = new TermView();
+	fTermView = new TermView();
 
 	AddChild(menuBar);
-	AddChild(termView);
+	AddChild(fTermView);
 
 	BMenu* connectionMenu = new BMenu("Connections");
 	BMenu* editMenu = new BMenu("Edit");
@@ -48,7 +49,9 @@ SerialWindow::SerialWindow()
 		char buffer[256];
 		serialPort.GetDeviceName(i, buffer, 256);
 
-		BMenuItem* portItem = new BMenuItem(buffer, NULL);
+		BMessage* message = new BMessage(kMsgOpenPort);
+		message->AddString("port name", buffer);
+		BMenuItem* portItem = new BMenuItem(buffer, message);
 
 		connect->AddItem(portItem);
 	}
@@ -115,4 +118,28 @@ SerialWindow::SerialWindow()
 }
 
 
+void SerialWindow::MessageReceived(BMessage* message)
+{
+	switch(message->what)
+	{
+		case kMsgDataRead:
+		{
+			const char* bytes;
+			ssize_t length;
+			message->FindData("data", B_RAW_TYPE, &(const void*)bytes, &length);
+			fTermView->PushBytes(bytes, length);
+			break;
+		}
+		case kMsgOpenPort:
+		{
+			// Forward message to application
+			be_app->PostMessage(message);
+			break;
+		}
+		default:
+			BWindow::MessageReceived(message);
+	}
+}
+
+
 const char* SerialWindow::kWindowTitle = "SerialConnect";

src/apps/serialconnect/SerialWindow.h

@@ -7,11 +7,18 @@
 #include <Window.h>
 
 
+class TermView;
+
+
 class SerialWindow: public BWindow
 {
 	public:
 		SerialWindow::SerialWindow();
 
+		void MessageReceived(BMessage* message);
+
 	private:
+		TermView* fTermView;
+
 		static const char* kWindowTitle;
 };

src/apps/serialconnect/TermView.cpp

@@ -10,12 +10,19 @@
 
 #include <Layout.h>
 
+#include "SerialApp.h"
+
 
 TermView::TermView()
 	:
 	BView("TermView", B_WILL_DRAW)
 {
+	font_height height;
+	GetFontHeight(&height);
+	fFontHeight = height.ascent + height.descent + height.leading;
+	fFontWidth = be_fixed_font->StringWidth("X");
 	fTerm = vterm_new(kDefaultWidth, kDefaultHeight);
+
 	vterm_parser_set_utf8(fTerm, 1);
 
 	fTermScreen = vterm_obtain_screen(fTerm);
@@ -23,14 +30,6 @@ TermView::TermView()
 	vterm_screen_reset(fTermScreen, 1);
 
 	SetFont(be_fixed_font);
-
-	font_height height;
-	GetFontHeight(&height);
-	fFontHeight = height.ascent + height.descent + height.leading;
-	fFontWidth = be_fixed_font->StringWidth("X");
-
-	// TEST
-	//vterm_push_bytes(fTerm,"Hello World!",11);
 }
 
 
@@ -40,6 +39,12 @@ TermView::~TermView()
 }
 
 
+void TermView::AttachedToWindow()
+{
+	MakeFocus();
+}
+
+
 void TermView::Draw(BRect updateRect)
 {
 	VTermRect updatedChars = PixelsToGlyphs(updateRect);
@@ -66,6 +71,29 @@ void TermView::Draw(BRect updateRect)
 }
 
 
+void TermView::GetPreferredSize(float* width, float* height)
+{
+	if (width != NULL)
+		*width = kDefaultWidth * fFontWidth;
+	if (height != NULL)
+		*height = kDefaultHeight * fFontHeight;
+}
+
+
+void TermView::KeyDown(const char* bytes, int32 numBytes)
+{
+	BMessage* keyEvent = new BMessage(kMsgDataWrite);
+	keyEvent->AddData("data", B_RAW_TYPE, bytes, numBytes);
+	be_app_messenger.SendMessage(keyEvent);
+}
+
+
+void TermView::PushBytes(const char* bytes, size_t length)
+{
+	vterm_push_bytes(fTerm, bytes, length);
+}
+
+
 VTermRect TermView::PixelsToGlyphs(BRect pixels) const
 {
 	pixels.OffsetBy(-kBorderSpacing, -kBorderSpacing);
@@ -76,12 +104,17 @@ VTermRect TermView::PixelsToGlyphs(BRect pixels) const
 	rect.start_row = (int)floor(pixels.top / fFontHeight);
 	rect.end_row = (int)ceil(pixels.bottom / fFontHeight);
 
-#if 0
-	printf("pixels:\t%d\t%d\t%d\t%d\n"
-		"glyps:\t%d\t%d\t%d\t%d\n",
-		(int)pixels.top, (int)pixels.bottom, (int)pixels.left, (int)pixels.right,
-		rect.start_row, rect.end_row, rect.start_col, rect.end_col);
-#endif
+	printf(
+		"TOP %d ch < %f px\n"
+		"BTM %d ch < %f px\n"
+		"LFT %d ch < %f px\n"
+		"RGH %d ch < %f px\n",
+		rect.start_row, pixels.top,
+		rect.end_row, pixels.bottom,
+		rect.start_col, pixels.left,
+		rect.end_col, pixels.right
+	);
+
 	return rect;
 }
 
@@ -94,6 +127,19 @@ BRect TermView::GlyphsToPixels(const VTermRect& glyphs) const
 	rect.left = glyphs.start_col * fFontWidth;
 	rect.right = glyphs.end_col * fFontWidth;
 
+	rect.OffsetBy(kBorderSpacing, kBorderSpacing);
+
+	printf(
+		"TOP %d ch > %f px (%f)\n"
+		"BTM %d ch > %f px\n"
+		"LFT %d ch > %f px (%f)\n"
+		"RGH %d ch > %f px\n",
+		glyphs.start_row, rect.top, fFontHeight,
+		glyphs.end_row, rect.bottom,
+		glyphs.start_col, rect.left, fFontWidth,
+		glyphs.end_col, rect.right
+	);
+
 	return rect;
 }
 
@@ -109,8 +155,25 @@ BRect TermView::GlyphsToPixels(const int width, const int height) const
 }
 
 
+void TermView::Damage(VTermRect rect)
+{
+	Invalidate();
+//	Invalidate(GlyphsToPixels(rect));
+}
+
+
+/* static */
+int TermView::Damage(VTermRect rect, void* user)
+{
+	TermView* view = (TermView*)user;
+	view->Damage(rect);
+
+	return 0;
+}
+
+
 const VTermScreenCallbacks TermView::sScreenCallbacks = {
-	/*.damage =*/ NULL,
+	&TermView::Damage,
 	/*.moverect =*/ NULL,
 	/*.movecursor =*/ NULL,
 	/*.settermprop =*/ NULL,

src/apps/serialconnect/TermView.h

@@ -16,12 +16,19 @@ class TermView: public BView
 		TermView();
 		~TermView();
 
+		void AttachedToWindow();
 		void Draw(BRect updateRect);
+		void GetPreferredSize(float* width, float* height);
+		void KeyDown(const char* bytes, int32 numBytes);
+		void PushBytes(const char* bytes, const size_t length);
 		
 	private:
 		VTermRect PixelsToGlyphs(BRect pixels) const;
 		BRect GlyphsToPixels(const VTermRect& glyphs) const;
 		BRect GlyphsToPixels(const int width, const int height) const;
+		void Damage(VTermRect rect);
+
+		static int Damage(VTermRect rect, void* user);
 
 	private:
 		VTerm* fTerm;