public void PaintParaBox()
{
AssembledStyles styles = new AssembledStyles();
var clientRuns = new List<IClientRun>();
BlockBox box0 = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns.Add(box0);
BlockBox box1 = new BlockBox(styles, Color.Blue, 36000, 18000);
clientRuns.Add(box1);
BlockBox box2 = new BlockBox(styles, Color.Red, 24000, 18000);
clientRuns.Add(box2);
BlockBox box3 = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns.Add(box3);
BlockBox box4 = new BlockBox(styles, Color.Red, 36000, 36000);
clientRuns.Add(box4);
TextSource source = new TextSource(clientRuns, null);
ParaBox para = new ParaBox(styles, source);
RootBox root = new RootBox(styles);
root.AddBox(para);
MockGraphics graphics = new MockGraphics();
LayoutInfo layoutArgs = ParaBuilderTests.MakeLayoutInfo(100, graphics);
root.Layout(layoutArgs);
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
root.Paint(graphics, ptrans);
Assert.AreEqual(5, graphics.RectanglesDrawn.Count);
VerifyRect(2, 2, 96, 48, graphics, 0, Color.Red);
VerifyRect(2, 48+2, 48, 24, graphics, 1, Color.Blue);
VerifyRect(2+48, 48 + 2, 32, 24, graphics, 2, Color.Red);
VerifyRect(2, 24 + 48 + 2, 96, 48, graphics, 3, Color.Red);
VerifyRect(2, 48 + 24 + 48 + 2, 48, 48, graphics, 4, Color.Red);
}
private bool m_nextUpstreamSegWsOnly; // toggle for whether to try whitespace-only or no-ws for next upstream seg.
public ParaBuilder(ParaBox para, LayoutInfo layoutInfo)
{
m_para = para;
m_layoutInfo = layoutInfo;
m_renderRuns = para.Source.RenderRuns;
m_gapTop = m_para.GapTop(layoutInfo);
m_gapLeft = m_para.GapLeading(layoutInfo); // Todo RTL.
m_gapRight = m_para.GapTrailing(layoutInfo);
m_surroundWidth = m_para.SurroundWidth(layoutInfo);
m_surroundHeight = m_para.SurroundHeight(layoutInfo);
}
/// <summary>
/// Return an insertion point at specified position in THIS RUN within the paragraph.
/// </summary>
public InsertionPoint SelectAt(ParaBox para, int ichRun, bool associatePrevious)
{
LiteralStringParaHookup hookup = Hookup;
if (hookup == null)
{
hookup = new LiteralStringParaHookup(null, para);
hookup.ClientRunIndex = para.Source.ClientRuns.IndexOf(this);
}
return new InsertionPoint(hookup, ichRun, associatePrevious);
}
public void DragStartsOnMoveInSelection()
{
string contents = "This is the day.";
var engine = new FakeRenderEngine() {Ws = 34, SegmentHeight = 13};
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var styles = new AssembledStyles().WithWs(34);
var clientRuns = new List<IClientRun>();
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
var extraBox = new BlockBox(styles, Color.Red, 50, 72000); // tall, narrow spacer at top
var root = new RootBoxFdo(styles);
root.AddBox(extraBox);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue/2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.That(root.Height, Is.EqualTo(96 + 13));
Assert.That(root.Width, Is.EqualTo(FakeRenderEngine.SimulatedWidth(contents)));
var ip1 = run.SelectAt(para, 5, false);
var ip2 = run.SelectAt(para, 7, true);
var range = new RangeSelection(ip1, ip2);
range.Install();
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
var sbox = para.FirstBox as StringBox;
MockSite site = new MockSite();
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
root.Site = site;
int indent = FakeRenderEngine.SimulatedWidth("This ");
root.OnMouseDown(new MouseEventArgs(MouseButtons.Left, 1, indent + 5, 100, 0), Keys.None, m_gm.VwGraphics, ptrans);
root.OnMouseMove(new MouseEventArgs(MouseButtons.Left, 1, indent + 5, 100, 0), Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(GetStringDropData(site), Is.EqualTo("is"));
Assert.That(site.LastDoDragDropArgs.AllowedEffects, Is.EqualTo(DragDropEffects.Copy),
"editing not possible in this paragraph, we can only copy");
Assert.That(root.Selection, Is.EqualTo(range), "selection should not be changed by drag drop");
site.LastDoDragDropArgs = null;
root.OnMouseDown(new MouseEventArgs(MouseButtons.Left, 1, 3, 100, 0), Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(site.LastDoDragDropArgs, Is.Null, "click outside selection should not initiate drag");
// Tack on an extra check that a read-only view does not handle drop.
var dataObj = new DataObject(DataFormats.StringFormat, "new ");
var dragArgs = new DragEventArgs(dataObj, (int)DragDropKeyStates.ControlKey, 10, 8,
DragDropEffects.Copy | DragDropEffects.Move,
DragDropEffects.None);
root.OnDragEnter(dragArgs, new Point(14, 8), m_gm.VwGraphics, ptrans);
Assert.That(dragArgs.Effect, Is.EqualTo(DragDropEffects.None));
Assert.That(root.DragState, Is.EqualTo(WindowDragState.DraggingHere));
}
private void VerifyRangeSegmentDrawing(ParaBox para, StringBox stringBox, MockSegment seg, RangeSelection range, int top, int ydTop, int bottom)
{
Assert.AreEqual(stringBox.IchMin, seg.LastDrawRangeCall.IchBase);
Assert.AreEqual(m_gm.VwGraphics, seg.LastDrawRangeCall.Graphics);
Assert.AreEqual(range.Start.StringPosition, seg.LastDrawRangeCall.IchMin);
Assert.AreEqual(range.End.StringPosition, seg.LastDrawRangeCall.IchLim);
ParaTests.VerifySimpleRect(seg.LastDrawRangeCall.RcSrc, -2, top, 96, 100);
ParaTests.VerifySimpleRect(seg.LastDrawRangeCall.RcDst, 0, -10, 120, 128);
Assert.AreEqual(ydTop, seg.LastDrawRangeCall.YdTop);
Assert.AreEqual(bottom, seg.LastDrawRangeCall.YdBottom);
Assert.AreEqual(seg.LastDrawRangeCall.On, true, "Should currently always pass true to segment drawRange On argument");
// The old Views code appears to always pass true for this argument, so we should too, until I figure out what it's
// really supposed to be, if anything.
Assert.AreEqual(true, seg.LastDrawRangeCall.IsLastLineOfSelection);
}
public void OneBlockPara()
{
AssembledStyles styles = new AssembledStyles();
List<IClientRun> clientRuns = new List<IClientRun>();
BlockBox box = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns.Add(box);
TextSource source = new TextSource(clientRuns, null);
ParaBox para = new ParaBox(styles, source);
RootBox root = new RootBox(styles);
root.AddBox(para);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
Assert.AreEqual(48, box.Height);
Assert.AreEqual(96, box.Width);
Assert.AreEqual(48, root.Height);
Assert.AreEqual(96, root.Width);
}
/// <summary>
/// Given a function that fetches strings, a run which represents the initial value of that string
/// already inserted into a particular paragraph box, and that we have identified the fetcher as
/// a property with the specified name of the specified target object, but we have not been able to find
/// a ''Name'Changed' event on the target object, this stub provides a possible place for a subclass to
/// use an alternative strategy for hooking something up to notify the view of changes to the property.
/// </summary>
protected override void MakeHookupForString(Func<ITsString> fetcher, TssClientRun run, string name, object target, ParaBox para)
{
var cmObj = target as ICmObject;
if (cmObj != null)
{
// Set up for PropChanged notification.
RootFdo.DataAccess = cmObj.Cache.DomainDataByFlid; // ensures hooked up to receive PropChanged.
Tuple<int, int> key = GetPropChangedKey(name, cmObj);
var stringHookup = new TssHookup(target, fetcher,
hookup => RootFdo.AddHookupToPropChanged(key, hookup),
hookup => RootFdo.RemoveHookupFromPropChanged(key, hookup),
para);
stringHookup.Tag = key.Item2;
AddHookupToRun(run, stringHookup);
// Enhance JohnT: consider doing this by reflection.
stringHookup.Writer = newVal => RootFdo.DataAccess.SetString(cmObj.Hvo, key.Item2, newVal);
}
}
/// <summary>
/// Some common logic for several tests. Returns the old paragraph height (before the change).
/// </summary>
private int TestChangeNotAffectingLineBreaks(out ParaBox para, Action<string[]> wordsModifier,
Func<ParaBox, Rectangle, Rectangle> invalidRectModifier,
Action<List<MockSegment>> potentialSegsModifier)
{
RootBox root = MakeTestParaSimpleString(m_gm.VwGraphics, MockBreakOption.ThreeFullLines, out para);
int result = para.Height;
Rectangle expectedInvalidate = para.InvalidateRect;
var modWords = new string[s_simpleStringWords.Length];
Array.Copy(s_simpleStringWords, modWords, modWords.Length);
wordsModifier(modWords); // make whatever change we intend to the text.
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics);
var engine = root.LastLayoutInfo.RendererFactory.GetRenderer(s_simpleStringWs, m_gm.VwGraphics) as MockRenderEngine;
var modContents = AssembleStrings(modWords);
SetupMockEngineForThreeLines(modContents, engine, modWords);
// The one we want to modify is the fourth to be added; this is the same engine, so it already has
// the three potential segments from the original layout.
potentialSegsModifier(engine.m_potentialSegsInOrder);
MockSite site = new MockSite();
root.Site = site;
PaintTransform ptrans = new PaintTransform(2, 4, 96, 100, 0, 10, 120, 128);
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
var hookup = new StringHookup(null, null, hook => DoNothing(), hook => DoNothing(), para);
((StringClientRun) para.Source.ClientRuns[0]).Hookup = hookup;
para.StringChanged(0, modContents);
Assert.AreEqual(modContents, para.Source.RenderText);
Assert.That(((StringClientRun) para.Source.ClientRuns[0]).Hookup, Is.EqualTo(hookup));
int ichEndFirstLine = SumStringLengths(modWords, 0, 3);
// We inserted at the start, so only the first line should have been invalidated; but char offsets for other lines should have changed.
VerifySegment(para, 0, s_widthFirstMockSeg, ichEndFirstLine, 0);
int ichEndSecondLine = SumStringLengths(modWords, 0, 6);
VerifySegment(para, 1, s_widthSecondMockSeg, ichEndSecondLine - ichEndFirstLine, ichEndFirstLine);
VerifySegment(para, 2, s_widthThirdMockSeg, modContents.Length - ichEndSecondLine, ichEndSecondLine);
expectedInvalidate = invalidRectModifier(para, expectedInvalidate);
Assert.That(site.RectsInvalidatedInRoot, Has.Member(expectedInvalidate));
return result;
}
void VerifySegment(ParaBox para, int index, int expectedWidth, int expectedLength, int expectedStart)
{
Box target = para.FirstBox;
for (int i = 0; i < index; i++)
target = target.Next;
Assert.IsTrue(target is StringBox);
var sbox = target as StringBox;
Assert.AreEqual(para, sbox.Container);
var seg = sbox.Segment;
Assert.AreEqual(expectedStart, sbox.IchMin);
Assert.AreEqual(expectedWidth, seg.get_Width(sbox.IchMin, m_gm.VwGraphics));
Assert.AreEqual(expectedLength, seg.get_Lim(sbox.IchMin));
}
void VerifyParaLine(ParaBox para, int lineIndex, Box first, Box last, int top, string label)
{
ParaLine line = para.Lines[lineIndex];
Assert.AreEqual(first, line.FirstBox, label + " - first box");
Assert.AreEqual(last, line.LastBox, label + " - last box");
Assert.AreEqual(top, line.Top, label + " - top");
}
public void EmptyString()
{
int ws = 1;
AssembledStyles styles = new AssembledStyles().WithWs((ws));
var clientRuns = new List<IClientRun>();
StringClientRun clientRun = new StringClientRun("", styles);
clientRuns.Add(clientRun);
TextSource source = new TextSource(clientRuns, null);
ParaBox para = new ParaBox(styles, source);
RootBox root = new RootBox(styles);
root.AddBox(para);
LayoutInfo layoutArgs = MakeLayoutInfo();
var engine = layoutArgs.GetRenderer(1) as MockRenderEngine;
engine.AddMockSeg(0, 0, 0, 0, ws, LgEndSegmentType.kestNoMore);
root.Layout(layoutArgs);
Assert.AreEqual(1, para.Lines.Count);
Assert.IsTrue(root.Height > 0);
}
private void VerifySegmentDrawing(ParaBox para, StringBox third, MockSegment seg3, int top)
{
VerifySegmentDrawing(para, third, seg3.LastDrawIpCall, top);
}
public void InsertCharInEmptyLine()
{
string contents = "";
var engine = new FakeRenderEngine() { Ws = 34, SegmentHeight = 13 };
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var styles = new AssembledStyles().WithWs(34);
var clientRuns = new List<IClientRun>();
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var data1 = new MockData1(34, 35);
data1.SimpleThree = contents;
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
var hookup = new StringHookup(this, () => data1.SimpleThree, hook => data1.SimpleThreeChanged += hook.StringPropChanged,
hook => data1.SimpleThreeChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => data1.SimpleThree = newVal;
run.Hookup = hookup;
var root = new RootBox(styles);
var block = new BlockBox(styles, Color.Red, 20000, 10000);
root.AddBox(block);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.That(root.Height, Is.EqualTo(13 + block.Height));
Assert.That(para.Width, Is.EqualTo(FakeRenderEngine.SimulatedWidth(contents)));
Assert.That(root.Width, Is.EqualTo(block.Width));
int simulatedWidth = FakeRenderEngine.SimulatedWidth("x");
Assert.That(root.Width, Is.GreaterThan(para.Width + simulatedWidth));
PaintTransform ptrans = new PaintTransform(2, 4, 96, 100, 0, 10, 120, 128);
MockSite site = new MockSite();
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
root.Site = site;
var oldRootWidth = root.Width;
var ip = root.SelectAtEnd();
ip.InsertText("x");
Assert.That(root.Height, Is.EqualTo(13 + block.Height));
Assert.That(root.Width, Is.EqualTo(oldRootWidth));
Assert.That(para.Width, Is.EqualTo(simulatedWidth));
var expectedInvalidate = new Rectangle(-RootBox.InvalidateMargin,
- RootBox.InvalidateMargin + block.Height,
simulatedWidth + RootBox.InvalidateMargin * 2,
13 + 2 * RootBox.InvalidateMargin);
Assert.That(site.RectsInvalidatedInRoot, Has.Member(expectedInvalidate));
}
/// <summary>
/// This setup method for para builder is also useful for testing stuff related to the paragraph itself.
/// For example, we take advantage of it for testing backspace at start of client run.
/// </summary>
internal static RootBox MakeTestParaThreeStrings(IVwGraphics vg, MockBreakOption breakOption, out ParaBox para)
{
var styles = new AssembledStyles().WithWs(s_simpleStringWs);
var styles2 = new AssembledStyles().WithWs(s_secondGroupWs);
string contents1 = AssembleStrings(s_firstGroupWords);
string contents2 = AssembleStrings(s_secondGroupWords);
string contents3 = AssembleStrings(s_thirdGroupWords);
var clientRuns = new List<IClientRun>();
clientRuns.Add(new StringClientRun(contents1, styles));
clientRuns.Add(new StringClientRun(contents2, styles2));
clientRuns.Add(new StringClientRun(contents3, styles));
var source = new TextSource(clientRuns, null);
para = new ParaBox(styles, source);
var root = new RootBox(styles);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, vg);
int totalLength = contents1.Length + contents2.Length + contents3.Length;
// Arrange the following line breaks.
// First the builder will ask to break the whole string, it puts the first three words on a line and indicates it is full.
SetupMockEngineForThreeStringsPara(s_firstGroupWords, s_secondGroupWords, s_thirdGroupWords, layoutArgs);
root.Layout(layoutArgs);
return root;
}
private void VerifyRangeSegmentQuery(ParaBox para, StringBox stringBox, FakeSegment seg, int ichMin, int ichLim, int top, int ydTop, int bottom)
{
var args = seg.LastPositionOfRangeArgs;
VerifyRangeDrawingArgs(args, stringBox, ichMin, ichLim, top, ydTop, bottom);
}
/// <summary>
/// Return an insertion point at the start of the specified paragraph (of which this is the first run)
/// </summary>
public InsertionPoint SelectAtStart(ParaBox para)
{
// Review JohnT: do we want associatePrevious true or false if the paragraph is empty?
return(SelectAt(para, 0, false));
}
// Add to the root a text paragraph which reflects the SimpleText property.
private void AddSimpleTextPara(AssembledStyles styles, int ws, RootBox root)
{
var items = new List<IClientRun>();
var run = new StringClientRun("This is the day that the Lord has made. We will rejoice and be glad in it",
styles.WithWs(ws));
items.Add(run);
var source = new TextSource(items);
var para = new ParaBox(styles, source);
var hookup = new StringHookup(this, () => this.SimpleText,
hook => SimpleTextChanged += hook.StringPropChanged,
hook => SimpleTextChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => SimpleText = newVal;
run.Hookup = hookup;
root.AddBox(para);
}
ParaBox AddPara(string[] contents, AssembledStyles styles, RootBox root)
{
var clientRuns = new List<IClientRun>();
foreach (string item in contents)
{
var run = new StringClientRun(item, styles);
clientRuns.Add(run);
}
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
root.AddBox(para);
return para;
}
private void VerifyRange(Selection sel, ParaBox paraAnchor, string textBeforeAnchor,
ParaBox paraEnd, string textBeforeEnd, string label)
{
Assert.That(sel, Is.TypeOf(typeof(RangeSelection)), label + " should produce range");
var range = (RangeSelection) sel;
VerifyIp(range.Anchor, paraAnchor, textBeforeAnchor, range.EndBeforeAnchor, label + " (anchor)");
VerifyIp(range.DragEnd, paraEnd, textBeforeEnd, !range.EndBeforeAnchor, label + " (end)");
}
private void VerifyIp(Selection sel, ParaBox para, string textBefore, bool assocPrev, string label)
{
Assert.That(sel, Is.TypeOf(typeof(InsertionPoint)), label + " should produce IP");
var ip = (InsertionPoint) sel;
Assert.That(ip.Para, Is.EqualTo(para), label + " should be in expected para");
Assert.That(ip.LogicalParaPosition, Is.EqualTo(textBefore.Length), label + " should be at expected position");
Assert.That(ip.AssociatePrevious, Is.EqualTo(assocPrev), label + " should associate correctly");
}
/// <summary>
/// The setup method for para builder is also useful for testing stuff related to the paragraph itself.
/// </summary>
/// <param name="vg"></param>
/// <param name="para"></param>
/// <returns></returns>
internal static RootBox MakeTestParaSimpleString(IVwGraphics vg, MockBreakOption breakOption, out ParaBox para)
{
var styles = new AssembledStyles().WithWs(s_simpleStringWs);
string contents = AssembleStrings(s_simpleStringWords);
var clientRuns = new List<IClientRun>();
clientRuns.Add(new StringClientRun(contents, styles));
var source = new TextSource(clientRuns, null);
para = new ParaBox(styles, source);
var root = new RootBox(styles);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, vg);
var engine = layoutArgs.GetRenderer(1) as MockRenderEngine;
switch (breakOption)
{
case MockBreakOption.ThreeOkayBreaks:
// This option generates three lines as long as the width is sufficient because
// Asked to break the whole string we answer a segment that has the first three words.
engine.AddMockSeg(0, contents.Length, SumStringLengths(s_simpleStringWords, 0, 3), s_widthFirstMockSeg, s_simpleStringWs,
LgEndSegmentType.kestOkayBreak);
// Asked to break the rest of the line we answer a segment with the next three.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 3), contents.Length, SumStringLengths(s_simpleStringWords, 3, 6),
s_widthSecondMockSeg, s_simpleStringWs, LgEndSegmentType.kestOkayBreak);
// Asked to break the rest of the line we answer a segment with the last three.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 6), contents.Length, SumStringLengths(s_simpleStringWords, 6, 9),
s_widthThirdMockSeg, s_simpleStringWs, LgEndSegmentType.kestNoMore);
break;
case MockBreakOption.FourSegsThreeLines:
// Asked to break the whole string we answer a segment that has the first two words but allows more.
engine.AddMockSeg(0, contents.Length, SumStringLengths(s_simpleStringWords, 0, 2), 50, s_simpleStringWs,
LgEndSegmentType.kestOkayBreak);
// Asked to break the rest of the line we give one more word and say it fills the line.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 2), contents.Length, SumStringLengths(s_simpleStringWords, 0, 3), 20, s_simpleStringWs,
LgEndSegmentType.kestMoreLines);
// Asked to break the rest of the line we answer a segment with the next three and say it fills the line.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 3), contents.Length, SumStringLengths(s_simpleStringWords, 3, 6),
s_widthSecondMockSeg, s_simpleStringWs, LgEndSegmentType.kestMoreLines);
// Asked to break the rest of the line we answer a segment with the last three.
engine.AddMockSeg(SumStringLengths(s_simpleStringWords, 0, 6), contents.Length, SumStringLengths(s_simpleStringWords, 6, 9),
s_widthThirdMockSeg, s_simpleStringWs, LgEndSegmentType.kestNoMore);
// Asked to do anything else
engine.OtherSegPolicy = UnexpectedSegments.MakeOneCharSeg;
break;
case MockBreakOption.ThreeFullLines:
// Asked to break the whole string we answer a segment that has the first three words.
SetupMockEngineForThreeLines(contents, engine, s_simpleStringWords);
break;
}
root.Layout(layoutArgs);
return root;
}
public void ContentChangeWrapping()
{
var styles = new AssembledStyles().WithWs(s_simpleStringWs);
string contents1 = "This is a simple string. It has two sentences.";
var clientRuns = new List<IClientRun>();
clientRuns.Add(new StringClientRun(contents1, styles));
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
var root = new RootBox(styles);
root.AddBox(para);
var layoutArgs = MakeLayoutInfo(30, m_gm.VwGraphics);
}
private void InitSeveralBoxes()
{
var styles = new AssembledStyles();
RootBox root = new RootBoxFdo(styles);
var items = new List<IClientRun>();
items.Add(new BlockBox(styles, Color.Red, 72000, 36000));
items.Add(new BlockBox(styles, Color.Blue, 36000, 18000));
items.Add(new BlockBox(styles, Color.Orange, 18000, 36000));
items.Add(new BlockBox(styles, Color.Green, 72000, 18000));
items.Add(new ImageBox(styles.WithBackColor(Color.Pink).WithBorderColor(Color.Blue)
.WithBorders(new Thickness(2.0)).WithPads(new Thickness(4.0)), new Icon(SystemIcons.Shield, 40, 40).ToBitmap()));
items.Add(new BlockBox(styles, Color.Yellow, 72000, 36000));
var source = new TextSource(items);
var para = new ParaBox(styles, source);
root.AddBox(para);
theSharpView.Root = root;
}
private void VerifyRangeSegmentDrawing(ParaBox para, StringBox stringBox, FakeSegment seg, int ichMin, int ichLim, int top, int ydTop, int bottom)
{
var args = seg.LastDrawRangeCall;
VerifyRangeDrawingArgs(args, stringBox, ichMin, ichLim, top, ydTop, bottom);
}
public void FiveBlockPara()
{
AssembledStyles styles = new AssembledStyles();
var clientRuns = new List<IClientRun>();
BlockBox box0 = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns.Add(box0);
BlockBox box1 = new BlockBox(styles, Color.Blue, 36000, 18000);
clientRuns.Add(box1);
BlockBox box2 = new BlockBox(styles, Color.Red, 24000, 18000);
clientRuns.Add(box2);
BlockBox box3 = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns.Add(box3);
BlockBox box4 = new BlockBox(styles, Color.Red, 36000, 36000);
clientRuns.Add(box4);
TextSource source = new TextSource(clientRuns, null);
ParaBox para = new ParaBox(styles, source);
RootBox root = new RootBox(styles);
root.AddBox(para);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
VerifyBox(box0, 96, 48, box1, para, "box0");
VerifyBox(box1, 48, 24, box2, para, "box1");
VerifyBox(box2, 32, 24, box3, para, "box2");
VerifyBox(box3, 96, 48, box4, para, "box3");
VerifyBox(box4, 48, 48, null, para, "box4");
VerifyGroup(para, 96 + 48 + 32 + 96 + 48, 48, null, root, box0, box4, "para");
VerifyGroup(root, 96 + 48 + 32 + 96 + 48, 48, null, null, para, para, "root");
VerifyParaLine(para, 0, box0, box4, 0, "para unlimited one line");
// Check multi-line layout (one line has room for two boxes).
LayoutInfo layoutArgs2 = MakeLayoutInfo(100, m_gm.VwGraphics);
root.Layout(layoutArgs2);
Assert.AreEqual(4, para.Lines.Count, "para1 at 100 has four lines");
VerifyBox(box0, 96, 48, box1, para, "box0/100");
VerifyBox(box1, 48, 24, box2, para, "box1/100");
VerifyBox(box2, 32, 24, box3, para, "box2/100");
VerifyBox(box3, 96, 48, box4, para, "box3/100");
VerifyBox(box4, 48, 48, null, para, "box4/100");
VerifyParaLine(para, 0, box0, box0, 0, "para/100 first");
VerifyParaLine(para, 1, box1, box2, 48, "para/100 second");
VerifyParaLine(para, 2, box3, box3, 48 + 24, "para/100 third");
VerifyParaLine(para, 3, box4, box4, 48 + 24 + 48, "para/100 fourth");
// At 100 pixels wide, box0 goes on the first line, boxes 1 and 2 on the third, box 3 and box4 take the fourth and fifth.
// Multiple lines means the paragraph occupies its full width.
int height100 = 48 + 24 + 48 + 48;
VerifyGroup(para, 100, height100, null, root, box0, box4, "para/100");
VerifyGroup(root, 100, height100, null, null, para, para, "root/100");
// Check layout when some boxes won't fit on a whole line.
LayoutInfo layoutArgs3 = MakeLayoutInfo(50, m_gm.VwGraphics);
root.Layout(layoutArgs3);
Assert.AreEqual(5, para.Lines.Count, "para1 at 50 has five lines");
VerifyBox(box0, 96, 48, box1, para, "box0/50");
VerifyParaLine(para, 0, box0, box0, 0, "para/50 first");
VerifyParaLine(para, 1, box1, box1, 48, "para/50 second");
VerifyParaLine(para, 2, box2, box2, 48 + 24, "para/50 third");
VerifyParaLine(para, 3, box3, box3, 48 + 24 + 24, "para/50 fourth");
VerifyParaLine(para, 4, box4, box4, 48 + 24 + 24 +48, "para/50 fifth");
// At 100 pixels wide, box0 goes on the first line, boxes 1 and 2 on the third, box 3 and box4 take the fourth and fifth.
// Multiple lines means the paragraph occupies its full width.
int height50 = 48 + 24 + 24 + 48 + 48;
VerifyGroup(para, 96, height50, null, root, box0, box4, "para/50");
VerifyGroup(root, 96, height50, null, null, para, para, "root/50");
}
internal InsertionPoint SelectAt(ParaBox para, int ich, bool asscociatePrevious)
{
throw new NotImplementedException();
}
public void BidiLayout()
{
string content1 = "This is the ";
string contentRtl = "day ";
string content3 = "that ";
// Two writing systems
int wsLtr = 5;
int wsRtl = 6;
// Two corresponding renderers
var factory = new FakeRendererFactory();
var engineLtr = new FakeRenderEngine() { Ws = wsLtr, SegmentHeight = 13 };
factory.SetRenderer(wsLtr, engineLtr);
var engineRtl = new FakeRenderEngine() {Ws = wsRtl, SegmentHeight = 13 };
engineRtl.RightToLeft = true;
factory.SetRenderer(wsRtl, engineRtl);
// Two corresponding styles (and a vanilla one)
var styles = new AssembledStyles();
var stylesLtr = new AssembledStyles().WithWs(wsLtr);
var stylesRtl = new AssembledStyles().WithWs(wsRtl);
var clientRuns = new List<IClientRun>();
var run1 = new StringClientRun(content1, stylesLtr);
clientRuns.Add(run1);
var runRtl = new StringClientRun(contentRtl, stylesRtl);
clientRuns.Add(runRtl);
var run3 = new StringClientRun(content3, stylesLtr);
clientRuns.Add(run3);
var root = new RootBoxFdo(styles);
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
root.AddBox(para);
var stylesParaRtl = styles.WithRightToLeft(true);
var sourceRtl = new TextSource(clientRuns, null);
var paraRtl = new ParaBox(stylesParaRtl, sourceRtl);
root.AddBox(paraRtl);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
// "day " being upstream should make two distinct boxes.
// We should get something like
// "This is the yad that ", where the space between "yad" and "that" is the one that
// follows the 'y' in "day".
var box1 = para.FirstBox as StringBox;
var box2 = box1.Next as StringBox;
var box3 = box2.Next as StringBox;
var box4 = box3.Next as StringBox;
Assert.That(box4, Is.Not.Null);
Assert.That(box1.Segment.get_Lim(box1.IchMin) == content1.Length);
Assert.That(box2.Segment.get_Lim(box2.IchMin) == contentRtl.Length - 1);
Assert.That(box3.Segment.get_Lim(box3.IchMin) == 1);
Assert.That(box4.Segment.get_Lim(box4.IchMin) == content3.Length);
Assert.That(box1.Left, Is.LessThan(box2.Left));
Assert.That(box2.Left, Is.LessThan(box3.Left));
Assert.That(box3.Left, Is.LessThan(box4.Left));
// In the second paragraph, the two LRT runs are upstream. We should get boxes
// "This is the", " ", "day ", "that" and " " (but the final space will have zero width at end of line)
// The effect should be something like
// that yad This is the", where the space between "yad" and "This" is the one following "the",
// and the one between "that" and "yad" is the one following "day", and the space following "that"
// is invisible at the end of the line to the left of 'that'.
var boxR1 = paraRtl.FirstBox as StringBox;
var boxR2 = boxR1.Next as StringBox;
var boxR3 = boxR2.Next as StringBox;
var boxR4 = boxR3.Next as StringBox;
var boxR5 = boxR4.Next as StringBox;
Assert.That(boxR5, Is.Not.Null);
Assert.That(boxR1.Segment.get_Lim(boxR1.IchMin) == content1.Length - 1);
Assert.That(boxR2.Segment.get_Lim(boxR2.IchMin) == 1);
Assert.That(boxR3.Segment.get_Lim(boxR3.IchMin) == contentRtl.Length);
Assert.That(boxR4.Segment.get_Lim(boxR4.IchMin) == content3.Length - 1);
Assert.That(boxR5.Segment.get_Lim(boxR5.IchMin) == 1);
}
private MockData1 HookDataToClientRun(ParaBox para, string contents1, int runIndex)
{
var data1 = new MockData1(ParaBuilderTests.s_simpleStringWs, ParaBuilderTests.s_simpleStringWs);
data1.SimpleThree = contents1;
var hookup = new StringHookup(data1, () => data1.SimpleThree,
hook => data1.SimpleThreeChanged += hook.StringPropChanged,
hook => data1.SimpleThreeChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => data1.SimpleThree = newVal;
hookup.ClientRunIndex = runIndex;
(para.Source.ClientRuns[runIndex] as StringClientRun).Hookup = hookup;
return data1;
}
/// <summary>
/// This overload fulfils the interface contract for some kinds of Box to function as ClientRun.
/// In general a box can select at start without needing to know its containing paragraph (if any) or index within it.
/// </summary>
public InsertionPoint SelectAtStart(ParaBox para)
{
return SelectAtStart();
}
public void InsertGrowsPara()
{
string contents = "This is the day.";
var engine = new FakeRenderEngine() { Ws = 34, SegmentHeight = 13 };
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var styles = new AssembledStyles().WithWs(34);
var clientRuns = new List<IClientRun>();
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var data1 = new MockData1(34, 35);
data1.SimpleThree = contents;
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
var hookup = new StringHookup(this, () => data1.SimpleThree, hook => data1.SimpleThreeChanged += hook.StringPropChanged,
hook => data1.SimpleThreeChanged -= hook.StringPropChanged, para);
hookup.Writer = newVal => data1.SimpleThree = newVal;
run.Hookup = hookup;
var extraBox = new BlockBox(styles, Color.Red, 50, 72000);
var root = new RootBoxFdo(styles);
root.SizeChanged += root_SizeChanged;
root.AddBox(para);
root.AddBox(extraBox);
var layoutArgs = MakeLayoutInfo(Int32.MaxValue / 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.IsTrue(m_sizeChangedCalled);
Assert.That(root.Height, Is.EqualTo(13 + 96));
Assert.That(root.Width, Is.EqualTo(FakeRenderEngine.SimulatedWidth(contents)));
int widthThisIsThe = FakeRenderEngine.SimulatedWidth("This is the");
layoutArgs = MakeLayoutInfo(widthThisIsThe + 2, m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
Assert.That(root.Height, Is.EqualTo(26 + 96), "two line para is twice the height");
Assert.That(root.Width, Is.EqualTo(widthThisIsThe + 2), "two-line para occupies full available width");
Assert.That(extraBox.Top, Is.EqualTo(26));
PaintTransform ptrans = new PaintTransform(2, 4, 96, 100, 0, 10, 120, 128);
MockSite site = new MockSite();
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
root.Site = site;
m_sizeChangedCalled = false;
var ip = para.SelectAtEnd();
ip.InsertText(" We will be");
Assert.That(para.Height, Is.EqualTo(39), "inserted text makes para a line higher");
Assert.That(root.Height, Is.EqualTo(39 + 96), "root grows when para does");
Assert.That(root.Width, Is.EqualTo(widthThisIsThe + 2), "three-line para occupies full available width");
Assert.That(extraBox.Top, Is.EqualTo(39));
Assert.IsTrue(m_sizeChangedCalled);
}
/// <summary>
/// This overload fulfils the interface contract for some kinds of Box to function as ClientRun.
/// In general a box can select at end without needing to know its containing paragraph (if any) or index within it.
/// </summary>
public InsertionPoint SelectAtEnd(ParaBox para)
{
return SelectAtEnd();
}
private void VerifySegmentDrawing(ParaBox para, StringBox third, MockSegment.DrawInsertionPointArgs drawInsertionPointArgs, int top)
{
Assert.AreEqual(third.IchMin, drawInsertionPointArgs.IchBase);
Assert.AreEqual(m_gm.VwGraphics, drawInsertionPointArgs.Graphics);
Assert.AreEqual(true, drawInsertionPointArgs.AssocPrev, "assoc prev should match IP");
ParaTests.VerifySimpleRect(drawInsertionPointArgs.RcSrc, -2, top, 96, 100);
ParaTests.VerifySimpleRect(drawInsertionPointArgs.RcDst, 0, 10, 120, 128);
Assert.AreEqual(drawInsertionPointArgs.Ich, para.Source.Length);
Assert.AreEqual(drawInsertionPointArgs.On, true, "Should currently always pass true to segment drawIP routine");
Assert.AreEqual(drawInsertionPointArgs.DrawMode, LgIPDrawMode.kdmNormal, "all drawing modes normal till we test BIDI with Graphite");
}
