Added Debugger to Sample App, off by default
Removed CocoaDebugger from experimental
Slight changes to SkOSMenu
Bug fixes for NetPipeReader and DrawingBoard


git-svn-id: http://skia.googlecode.com/svn/trunk@2102 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Debugger/DebuggerCommandsView.cpp b/experimental/Debugger/DebuggerCommandsView.cpp
new file mode 100644
index 0000000..112c447
--- /dev/null
+++ b/experimental/Debugger/DebuggerCommandsView.cpp
@@ -0,0 +1,145 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "DebuggerViews.h"
+
+DebuggerCommandsView::DebuggerCommandsView() {
+    fBGColor = 0xFFBBBBBB;
+    fTopIndex = 0;
+    fHighlight = 0;
+    fResizing = false;
+    
+    SkPaint p;
+    p.setTextSize(SkIntToScalar(SKDEBUGGER_TEXTSIZE));
+    fSpacing = p.getFontSpacing();
+    fCentered = false;
+    fRange = (int)(this->height()/fSpacing) - 1;
+}
+
+DebuggerCommandsView::~DebuggerCommandsView() {
+    fList.deleteAll();
+}
+
+bool DebuggerCommandsView::onEvent(const SkEvent& evt) {
+    if (evt.isType(SKDEBUGGER_COMMANDTYPE)) {
+        *fList.append() = new SkString(evt.findString(SKDEBUGGER_ATOM));
+        this->inval(NULL);
+        return true;
+    }
+    return this->INHERITED::onEvent(evt);
+}
+
+void DebuggerCommandsView::onSizeChange() {
+    fRange = (int)(this->height()/fSpacing);
+    this->INHERITED::onSizeChange();
+}
+
+void DebuggerCommandsView::alignCenter() {
+    if (!fCentered || fHighlight < fRange/2 || fHighlight > (fList.count() - fRange/2)) {
+        return;
+    } else {
+        if (fHighlight > (fTopIndex + fRange/2)) 
+            fTopIndex += fHighlight - (fTopIndex + fRange/2);
+        if (fHighlight < (fTopIndex + fRange/2))
+            fTopIndex -= (fTopIndex + fRange/2) - fHighlight;
+    }
+}
+
+int DebuggerCommandsView::nextItem() {
+    if (fHighlight < fList.count() - 1)
+        ++fHighlight;
+    if (fHighlight < fTopIndex || fHighlight > (fTopIndex + fRange))
+        fTopIndex = fHighlight;
+    if (fHighlight == (fTopIndex + fRange))
+        ++fTopIndex;
+    this->alignCenter();
+    this->inval(NULL);
+    return fHighlight;
+}
+
+int DebuggerCommandsView::prevItem() {
+    if (fHighlight > 0)
+        --fHighlight;
+    if (fHighlight < fTopIndex || fHighlight > (fTopIndex + fRange))
+        fTopIndex = fHighlight;
+    this->alignCenter();
+    this->inval(NULL);
+    return fHighlight;
+}
+
+int DebuggerCommandsView::scrollUp() {
+    if (fTopIndex > 0)
+        --fTopIndex;
+    this->inval(NULL);
+    return fHighlight;
+}
+
+int DebuggerCommandsView::scrollDown() {
+    if (fTopIndex < (fList.count() - 1))
+        ++fTopIndex;
+    this->inval(NULL);
+    return fHighlight;
+}
+
+void DebuggerCommandsView::highlight(int index) {
+    SkASSERT(index >= 0 && index < fList.count());
+    if (fHighlight != index) {
+        fHighlight = index;
+        this->alignCenter();
+        this->inval(NULL);
+    }
+}
+
+int DebuggerCommandsView::selectHighlight(int ypos) {
+    int i = (int)(ypos/fSpacing) + fTopIndex;
+    if (i >= fList.count()) {
+        i = fList.count() - 1;
+    }
+    if (fHighlight != i) {
+        fHighlight = i;
+        this->alignCenter();
+        this->inval(NULL);
+    }
+    return fHighlight;
+}
+
+void DebuggerCommandsView::toggleCentered() {
+    fCentered = !fCentered;
+    this->alignCenter();
+    this->inval(NULL);
+}
+
+void DebuggerCommandsView::onDraw(SkCanvas* canvas) {
+    canvas->drawColor(fBGColor);
+    
+    SkPaint p;
+    p.setTextSize(SkIntToScalar(SKDEBUGGER_TEXTSIZE));
+    p.setAntiAlias(true);
+    
+    //draw highlight
+    int selected = fHighlight - fTopIndex;
+    SkRect r = {0, fSpacing * selected, this->width(), fSpacing * (selected+1)};
+    p.setColor(SKDEBUGGER_HIGHLIGHTCOLOR);
+    canvas->drawRect(r, p);
+    
+    int endIndex = fTopIndex + fRange; 
+    if (endIndex > fList.count())
+        endIndex = fList.count();
+    
+    p.setColor(SKDEBUGGER_TEXTCOLOR);
+    int pos;
+    for (int i = fTopIndex; i < endIndex; ++i) {
+        pos = i - fTopIndex;
+        canvas->drawText(fList[i]->c_str(), fList[i]->size(), 
+                         0, fSpacing - 2 + fSpacing * pos, p);
+    }
+    p.setColor(SKDEBUGGER_RESIZEBARCOLOR);
+    r = SkRect::MakeXYWH(this->width() - SKDEBUGGER_RESIZEBARSIZE, 0, 
+                         SKDEBUGGER_RESIZEBARSIZE, this->height());
+    canvas->drawRect(r, p);
+    this->INHERITED::onDraw(canvas);
+}
\ No newline at end of file