public void PileOfBlocksLayout()
{
var styles = new AssembledStyles();
BlockBox box1 = new BlockBox(styles, Color.Red, 72000, 36000);
BlockBox box2 = new BlockBox(styles, Color.Blue, 108000, 18000);
BlockBox box3 = new BlockBox(styles, Color.Orange, 72000, 18000);
RootBox root = new RootBox(styles);
root.AddBox(box1);
root.AddBox(box2);
root.AddBox(box3);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
Assert.That(box1.Height, Is.EqualTo(48));
Assert.That(box2.Height, Is.EqualTo(24));
Assert.That(root.Height, Is.EqualTo(48 + 24 + 24));
Assert.That(box1.Left, Is.EqualTo(0));
Assert.That(box2.Left, Is.EqualTo(0));
Assert.That(box1.Top, Is.EqualTo(0));
Assert.That(box2.Top, Is.EqualTo(48));
Assert.That(box3.Top, Is.EqualTo(48 + 24));
Assert.That(box1.Width, Is.EqualTo(96));
Assert.That(box2.Width, Is.EqualTo(144));
Assert.That(root.Width, Is.EqualTo(144));
}
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));
}
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 void InitRedBox()
{
AssembledStyles styles = new AssembledStyles();
RootBox root = new RootBox(styles);
BlockBox block = new BlockBox(styles, Color.Red, 72000, 36000);
root.AddBox(block);
theSharpView.Root = root;
}
public void CommonContainerTests()
{
var styles = new AssembledStyles();
var columnWidths = new FixedColumnWidths(new[] { 10 });
var root1 = new RootBox(styles);
var root2 = new RootBox(styles);
VerifyCC(root1, root1, root1, root1, root1);
VerifyCC(root2, root2, root2, root2, root2);
var row1 = new RowBox(styles, columnWidths, false);
var div1 = new DivBox(styles);
root2.AddBox(row1);
root1.AddBox(div1);
VerifyCC(row1, row1, row1, row1, row1);
VerifyCC(div1, div1, div1, div1, div1);
VerifyCC(root1, div1, root1, root1, div1);
VerifyCC(root2, row1, root2, root2, row1);
var row2 = new RowBox(styles, columnWidths, false);
var div2 = new DivBox(styles);
root2.AddBox(row2);
root1.AddBox(div2);
VerifyCC(row1, row2, root2, row1, row2);
VerifyCC(div1, div2, root1, div1, div2);
var row3 = new RowBox(styles, columnWidths, false);
var div3 = new DivBox(styles);
row1.AddBox(row3);
div1.AddBox(div3);
VerifyCC(row1, row3, row1, row1, row3);
VerifyCC(row2, row3, root2, row2, row1);
VerifyCC(div1, div3, div1, div1, div3);
VerifyCC(div2, div3, root1, div2, div1);
var row4 = new RowBox(styles, columnWidths, false);
var div4 = new DivBox(styles);
row2.AddBox(row4);
div2.AddBox(div4);
VerifyCC(row3, row4, root2, row1, row2);
VerifyCC(row1, row4, root2, row1, row2);
VerifyCC(div3, div4, root1, div1, div2);
VerifyCC(div1, div4, root1, div1, div2);
}
public void NextAndPrevInSelectionSeq()
{
var styles = new AssembledStyles();
var root = new RootBox(styles);
Assert.That(root.NextInSelectionSequence(true), Is.Null);
Assert.That(root.PreviousInSelectionSequence, Is.Null);
var block = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block);
Assert.That(root.NextInSelectionSequence(true), Is.EqualTo(block));
Assert.That(block.PreviousInSelectionSequence, Is.EqualTo(root));
var div = new DivBox(styles);
root.AddBox(div);
Assert.That(block.NextInSelectionSequence(true), Is.EqualTo(div));
Assert.That(div.PreviousInSelectionSequence, Is.EqualTo(block));
var divChild = new DivBox(styles);
div.AddBox(divChild);
var block2 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block2);
var block3 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block3);
var block4 = new BlockBox(styles, Color.Red, 6000, 6000);
div.AddBox(block4);
// up and forward
Assert.That(block3.NextInSelectionSequence(true), Is.EqualTo(block4));
Assert.That(block4.PreviousInSelectionSequence, Is.EqualTo(block3));
// Can go back from a box to a previous empty group
var emptyDiv = new DivBox(styles);
root.AddBox(emptyDiv);
var block5 = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block5);
Assert.That(emptyDiv.NextInSelectionSequence(true), Is.EqualTo(block5));
Assert.That(block5.PreviousInSelectionSequence, Is.EqualTo(emptyDiv));
Assert.That(div.NextInSelectionSequence(true), Is.EqualTo(divChild));
Assert.That(div.NextInSelectionSequence(false), Is.EqualTo(emptyDiv));
}
public void PaintPictureBox()
{
AssembledStyles styles = new AssembledStyles();
Bitmap bm = new Bitmap(20, 30);
ImageBox box = new ImageBox(styles.WithMargins(new Thickness(72.0 / 96.0 * 2.0))
.WithBorders(new Thickness(72.0 / 96.0 * 3.0))
.WithPads(new Thickness(72.0 / 96.0 * 7.0, 72.0 / 96.0 * 8.0, 72.0 / 96.0 * 11.0, 72.0 / 96.0 * 13.0)), bm);
RootBox root = new RootBox(styles);
BlockBox block = new BlockBox(styles, Color.Yellow, 2000, 4000);
root.AddBox(block);
root.AddBox(box);
LayoutInfo transform = MakeLayoutInfo();
root.Layout(transform);
Assert.That(box.Height, Is.EqualTo(30 + 2 * 2 + 3 * 2 + 8 + 13));
Assert.That(box.Width, Is.EqualTo(20 + 2 * 2 + 3 * 2 + 7 + 11));
Assert.That(box.Ascent, Is.EqualTo(box.Height));
PaintTransform ptrans = new PaintTransform(2, 4, 96, 96, 10, 40, 96, 96);
MockGraphics graphics = new MockGraphics();
root.Paint(graphics, ptrans);
Assert.That(graphics.LastRenderPictureArgs, Is.Not.Null);
Assert.That(graphics.LastRenderPictureArgs.Picture, Is.EqualTo(box.Picture));
Assert.That(graphics.LastRenderPictureArgs.X, Is.EqualTo(2 - 10 + 2 + 3 + 7));
Assert.That(graphics.LastRenderPictureArgs.Y, Is.EqualTo(4 - 40 + block.Height + 2 + 3 + 8));
Assert.That(graphics.LastRenderPictureArgs.Cx, Is.EqualTo(20));
Assert.That(graphics.LastRenderPictureArgs.Cy, Is.EqualTo(30));
int hmWidth = box.Picture.Width;
int hmHeight = box.Picture.Height;
Assert.That(graphics.LastRenderPictureArgs.XSrc, Is.EqualTo(0));
Assert.That(graphics.LastRenderPictureArgs.YSrc, Is.EqualTo(hmHeight));
Assert.That(graphics.LastRenderPictureArgs.CxSrc, Is.EqualTo(hmWidth));
Assert.That(graphics.LastRenderPictureArgs.CySrc, Is.EqualTo(-hmHeight));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.left, Is.EqualTo(2 - 10 + 2 + 3 + 7));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.top, Is.EqualTo(4 - 40 + block.Height + 2 + 3 + 8));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.right, Is.EqualTo(2 - 10 + 2 + 3 + 7 + 20));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.bottom, Is.EqualTo(4 - 40 + block.Height + 2 + 3 + 8 + 30));
}
public void PaintPictureBox()
{
AssembledStyles styles = new AssembledStyles();
Bitmap bm = new Bitmap(20, 30);
ImageBox box = new ImageBox(styles.WithMargins(new Thickness(72.0 / 96.0 * 2.0))
.WithBorders(new Thickness(72.0 / 96.0 * 3.0))
.WithPads(new Thickness(72.0 / 96.0 * 7.0, 72.0 / 96.0 * 8.0, 72.0 / 96.0 * 11.0, 72.0 / 96.0 * 13.0)), bm);
RootBox root = new RootBox(styles);
BlockBox block = new BlockBox(styles, Color.Yellow, 2000, 4000);
root.AddBox(block);
root.AddBox(box);
LayoutInfo transform = MakeLayoutInfo();
root.Layout(transform);
Assert.That(box.Height, Is.EqualTo(30 + 2*2+3*2+8+13));
Assert.That(box.Width, Is.EqualTo(20 + 2*2 +3*2 + 7 + 11));
Assert.That(box.Ascent, Is.EqualTo(box.Height));
PaintTransform ptrans = new PaintTransform(2, 4, 96, 96, 10, 40, 96, 96);
MockGraphics graphics = new MockGraphics();
root.Paint(graphics, ptrans);
Assert.That(graphics.LastRenderPictureArgs, Is.Not.Null);
Assert.That(graphics.LastRenderPictureArgs.Picture, Is.EqualTo(box.Picture));
Assert.That(graphics.LastRenderPictureArgs.X, Is.EqualTo(2-10 + 2 + 3 + 7));
Assert.That(graphics.LastRenderPictureArgs.Y, Is.EqualTo(4 - 40 + block.Height + 2 + 3 + 8));
Assert.That(graphics.LastRenderPictureArgs.Cx, Is.EqualTo(20));
Assert.That(graphics.LastRenderPictureArgs.Cy, Is.EqualTo(30));
int hmWidth = box.Picture.Width;
int hmHeight = box.Picture.Height;
Assert.That(graphics.LastRenderPictureArgs.XSrc, Is.EqualTo(0));
Assert.That(graphics.LastRenderPictureArgs.YSrc, Is.EqualTo(hmHeight));
Assert.That(graphics.LastRenderPictureArgs.CxSrc, Is.EqualTo(hmWidth));
Assert.That(graphics.LastRenderPictureArgs.CySrc, Is.EqualTo(-hmHeight));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.left, Is.EqualTo(2 - 10 + 2 + 3 + 7));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.top, Is.EqualTo(4 - 40 + block.Height + 2 + 3 + 8));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.right, Is.EqualTo(2 - 10 + 2 + 3 + 7 + 20));
Assert.That(graphics.LastRenderPictureArgs.RcWBounds.bottom, Is.EqualTo(4 - 40 + block.Height + 2 + 3 + 8 + 30));
}
public void PileOfBlocksLayout()
{
var styles = new AssembledStyles();
BlockBox box1 = new BlockBox(styles, Color.Red, 72000, 36000);
BlockBox box2 = new BlockBox(styles, Color.Blue, 108000, 18000);
BlockBox box3 = new BlockBox(styles, Color.Orange, 72000, 18000);
RootBox root = new RootBox(styles);
root.AddBox(box1);
root.AddBox(box2);
root.AddBox(box3);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
Assert.That(box1.Height, Is.EqualTo(48));
Assert.That(box2.Height, Is.EqualTo(24));
Assert.That(root.Height, Is.EqualTo(48 + 24 + 24) );
Assert.That(box1.Left, Is.EqualTo(0));
Assert.That(box2.Left, Is.EqualTo(0));
Assert.That(box1.Top, Is.EqualTo(0));
Assert.That(box2.Top, Is.EqualTo(48));
Assert.That(box3.Top, Is.EqualTo(48 + 24));
Assert.That(box1.Width, Is.EqualTo(96));
Assert.That(box2.Width, Is.EqualTo(144));
Assert.That(root.Width, Is.EqualTo(144));
}
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);
}
public void MakeRootBox()
{
AssembledStyles styles = new AssembledStyles();
BlockBox box = new BlockBox(styles, Color.Red, 72000, 36000);
RootBox root = new RootBox(styles);
root.AddBox(box);
LayoutInfo transform = MakeLayoutInfo();
root.Layout(transform);
Assert.AreEqual(48, box.Height);
Assert.AreEqual(96, box.Width);
Assert.AreEqual(48, root.Height);
Assert.AreEqual(96, root.Width);
}
private void InitSeveralBoxes()
{
AssembledStyles styles = new AssembledStyles();
RootBox root = new RootBox(styles);
var items = new List <ClientRun>();
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 BlockBox(styles, Color.Yellow, 72000, 36000));
TextSource source = new TextSource(items);
ParaBox para = new ParaBox(styles, source);
root.AddBox(para);
theSharpView.Root = root;
}
public void MakeRootBox()
{
AssembledStyles styles = new AssembledStyles();
BlockBox box = new BlockBox(styles, Color.Red, 72000, 36000);
RootBox root = new RootBox(styles);
root.AddBox(box);
LayoutInfo transform = MakeLayoutInfo();
root.Layout(transform);
Assert.AreEqual(48, box.Height);
Assert.AreEqual(96, box.Width);
Assert.AreEqual(48, root.Height);
Assert.AreEqual(96, root.Width);
}
public void PaintBarBox()
{
AssembledStyles styles = new AssembledStyles();
BlockBox box = new BlockBox(styles, Color.Red, 72000, 36000);
RootBox root = new RootBox(styles);
root.AddBox(box);
LayoutInfo transform = MakeLayoutInfo();
root.Layout(transform);
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
MockGraphics graphics = new MockGraphics();
root.Paint(graphics, ptrans);
Assert.AreEqual(1, graphics.RectanglesDrawn.Count);
Assert.AreEqual(new Rectangle(2, 2, 96, 48), graphics.RectanglesDrawn[0]);
Assert.AreEqual((int)ColorUtil.ConvertColorToBGR(Color.Red), graphics.BackColor);
}
// 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 <ClientRun>();
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);
TextSource source = new TextSource(items);
ParaBox 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);
}
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);
}
public void PaintBarBox()
{
AssembledStyles styles = new AssembledStyles();
BlockBox box = new BlockBox(styles, Color.Red, 72000, 36000);
RootBox root = new RootBox(styles);
root.AddBox(box);
LayoutInfo transform = MakeLayoutInfo();
root.Layout(transform);
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
MockGraphics graphics = new MockGraphics();
root.Paint(graphics, ptrans);
Assert.AreEqual(1, graphics.RectanglesDrawn.Count);
Assert.AreEqual(new Rectangle(2, 2, 96, 48), graphics.RectanglesDrawn[0]);
Assert.AreEqual((int)ColorUtil.ConvertColorToBGR(Color.Red), graphics.BackColor);
}
private ParaBox MakePara(MockSequenceHookup hookup, AssembledStyles styles, MockData1 itemNew, string contents, RootBox root)
{
var newItemHookup = new ItemHookup(itemNew, null);
hookup.InsertChildHookup(newItemHookup, 1);
// Give that hookup a stringhookup child, connected to a paragraph and root box.
var clientRuns = new List <IClientRun>();
itemNew.SimpleThree = contents;
var run = new StringClientRun(contents, styles);
clientRuns.Add(run);
var source = new TextSource(clientRuns, null);
var para = new ParaBox(styles, source);
run.Hookup = new LiteralStringParaHookup(itemNew, para);
newItemHookup.InsertChildHookup(run.Hookup, 0);
root.AddBox(para);
return(para);
}
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);
}
public void RowClippedPaint()
{
var styles = new AssembledStyles();
var box1 = new FgBlockBox(styles, Color.Red, 36000, 72000);
var box2 = new FgBlockBox(styles, Color.Blue, 18000, 108000);
var box3 = new FgBlockBox(styles, Color.Orange, 18000, 72000);
var box4 = new FgBlockBox(styles, Color.Orange, 18000, 72000);
var widths = new FixedColumnWidths(new[] { 34, 67, 99, 46 });
var row1 = new RowBox(styles, widths, false);
row1.AddBox(box1);
row1.AddBox(box2);
row1.AddBox(box3);
row1.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(row1);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
var rect1 = new Rectangle(0, 0, 48, 96);
var rect2 = new Rectangle(0, 0, 24, 144);
rect2.Offset(rect1.Right, 0);
var rect3 = new Rectangle(0, 0, 24, 96);
rect3.Offset(rect2.Right, 0);
var rect4 = new Rectangle(0, 0, 24, 96);
rect4.Offset(rect3.Right, 0);
var paintRects = new[] { rect1, rect2, rect3, rect4 };
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 2000), 0, 0, paintRects);
// Clipping off the left part, but not the whole, of a box does not prevent drawing it.
VerifyPaint(root, new Rectangle(10, -1000, -10 + rect4.Right - 10, 2000), 0, 0, paintRects);
// Even clipping all but one pixel does not prevent drawing.
VerifyPaint(root, new Rectangle(47, -1000, -47 + rect3.Right + 1, 2000), 0, 0, paintRects);
// However if we clip a bit more we should draw less
var middleTwo = new[] { rect2, rect3 };
VerifyPaint(root, new Rectangle(48, -1000, -48 + rect3.Right - 2, 2000), 0, 0, middleTwo);
// If the clip covers just a bit of the first box we paint just that.
var firstOne = new[] { rect1 };
VerifyPaint(root, new Rectangle(-1000, -1000, 1000 + 10, 2000), 0, 0, firstOne);
// If the clip covers just a bit of the last box we paint just that.
var lastOne = new[] { rect4 };
VerifyPaint(root, new Rectangle(rect4.Right - 2, -1000, 1000, 2000), 0, 0, lastOne);
// If the clip is entirely above the pile we draw nothing.
VerifyPaint(root, new Rectangle(-1000, -1000, 990, 2000), 0, 0, null);
// Likewise if entirely below.
VerifyPaint(root, new Rectangle(rect4.Right + 10, -1000, 10, 2000), 0, 0, null);
// Now try with simulated scrolling. Use a normal clip rectangle, but pretend the first two
// and a bit boxes are scrolled off.
var offset = rect2.Right + 10;
var rect3Offset = rect3;
rect3Offset.Offset(-offset, 0);
var rect4Offset = rect4;
rect4Offset.Offset(-offset, 0);
var lastTwoOffset = new[] { rect3Offset, rect4Offset };
VerifyPaint(root, new Rectangle(0, -1000, 200, 2000), offset, 0, lastTwoOffset);
}
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);
}
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");
}
/// <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;
}
public void ValidSelections()
{
AssembledStyles styles = new AssembledStyles();
var clientRuns = new List <IClientRun>();
var run0 = new StringClientRun("First run", styles);
var run1 = new StringClientRun("Middle run", styles);
BlockBox box0 = new BlockBox(styles, Color.Red, 72000, 36000);
var run2 = new StringClientRun("Last run", styles);
clientRuns.Add(run0);
clientRuns.Add(run1);
clientRuns.Add(box0);
clientRuns.Add(run2);
TextSource source = new TextSource(clientRuns, null);
ParaBox para0 = new ParaBox(styles, source);
run0.Hookup = new LiteralStringParaHookup(para0, para0);
run1.Hookup = new LiteralStringParaHookup(para0, para0);
run2.Hookup = new LiteralStringParaHookup(para0, para0);
DivBox div = new DivBox(styles);
RootBox root = new RootBox(styles);
para0.Container = div;
MockGraphics graphics = new MockGraphics();
LayoutInfo layoutArgs = ParaBuilderTests.MakeLayoutInfo(100, graphics);
root.Layout(layoutArgs);
root.AddBox(div);
var sel = para0.SelectAtStart();
root.Selection = sel;
Assert.That(!root.Selection.IsValid);
div.AddBox(para0);
root.RemoveBoxes(div, div);
div.Container = root;
Assert.That(!root.Selection.IsValid);
root.AddBox(div);
Assert.That(root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 4;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 2;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 0;
(root.Selection as InsertionPoint).StringPosition = 10;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).StringPosition = 0;
run0.Hookup = null;
Assert.That(!root.Selection.IsValid);
run0.Hookup = new LiteralStringParaHookup(para0, para0);
sel = para0.SelectAtStart();
root.Selection = sel;
Assert.That(root.Selection.IsValid);
}
public void MouseEvents()
{
var string1 = "This is the day that the Lord has made.";
var engine = new FakeRenderEngine()
{
Ws = 34, SegmentHeight = 13
};
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var runStyle = new AssembledStyles().WithWs(34);
var style = new AssembledStyles();
var root = new RootBox(style);
var para1 = MakePara(style, runStyle, string1);
root.AddBox(para1);
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
var layoutArgs = new LayoutInfo(2, 2, 96, 96, FakeRenderEngine.SimulatedWidth("This is the day "), m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
var mouseArgs = new MouseEventArgs(MouseButtons.Left, 1, 2, 5, 0);
root.OnMouseDown(mouseArgs, Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(0));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.False);
// In a different place, tests moving the selection and also getting AssociatePrevious true.
int widthThis = FakeRenderEngine.SimulatedWidth("This");
var mouseArgs2 = new MouseEventArgs(MouseButtons.Left, 1, 2 + widthThis - 1, 5, 0);
root.OnMouseDown(mouseArgs2, Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(4));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.True);
// A click in the same place should not make a new selection.
var sel = root.Selection;
root.OnMouseDown(mouseArgs2, Keys.None, m_gm.VwGraphics, ptrans); // no change
Assert.That(root.Selection, Is.EqualTo(sel));
// A shift-click close enough to the same place to be the same character position but difference AssocPrevious
// should make the appropriate new IP, not a range.
var mouseArgs2b = new MouseEventArgs(MouseButtons.Left, 1, 2 + widthThis + 1, 5, 0);
root.OnMouseDown(mouseArgs2b, Keys.Shift, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(4));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.False);
// A shift-click should make a range.
root.OnMouseDown(mouseArgs, Keys.Shift, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(RangeSelection)));
var anchor = ((RangeSelection)root.Selection).Anchor;
var drag = ((RangeSelection)root.Selection).DragEnd;
Assert.That(anchor.LogicalParaPosition, Is.EqualTo(4));
Assert.That(drag.LogicalParaPosition, Is.EqualTo(0));
// shift-click further right: should move the drag end
var mouseArgs3 = new MouseEventArgs(MouseButtons.Left, 1, 2 + 4, 5, 0);
root.OnMouseDown(mouseArgs3, Keys.Shift, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(RangeSelection)));
anchor = ((RangeSelection)root.Selection).Anchor;
drag = ((RangeSelection)root.Selection).DragEnd;
Assert.That(anchor.LogicalParaPosition, Is.EqualTo(4));
Assert.That(drag.LogicalParaPosition, Is.EqualTo(1));
// mouse move, to a different position
root.OnMouseMove(mouseArgs, Keys.None, m_gm.VwGraphics, ptrans);
sel = root.Selection;
Assert.That(sel, Is.TypeOf(typeof(RangeSelection)));
anchor = ((RangeSelection)root.Selection).Anchor;
drag = ((RangeSelection)root.Selection).DragEnd;
Assert.That(anchor.LogicalParaPosition, Is.EqualTo(4));
Assert.That(drag.LogicalParaPosition, Is.EqualTo(0));
// mouse move to the same position: no new selection.
root.OnMouseMove(mouseArgs, Keys.None, m_gm.VwGraphics, ptrans); // no actual movement
Assert.That(root.Selection, Is.EqualTo(sel));
Assert.That(((RangeSelection)root.Selection).DragEnd, Is.EqualTo(drag));
// mouse move to an IP at the anchor should return us to an IP
root.OnMouseMove(mouseArgs2b, Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(4));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.False);
// mouse down on next line makes a selection there. Confirm proper passing of srcRect for vertical offset
var mouseArgs4 = new MouseEventArgs(MouseButtons.Left, 1, 2 + 4, 2 + 16, 0);
root.OnMouseDown(mouseArgs4, Keys.None, m_gm.VwGraphics, ptrans);
var paraBox = (ParaBox)root.FirstBox;
var seg2 = ((StringBox)paraBox.FirstBox.Next).Segment as FakeSegment;
Assert.That(seg2, Is.Not.Null);
Assert.That(seg2.LastPointToCharArgs, Is.Not.Null);
var topOfseg2 = paraBox.FirstBox.Height;
Assert.That(seg2.LastPointToCharArgs.RcSrc, Is.EqualTo(new Rect(-2, -2 - topOfseg2, 94, 94 - topOfseg2)));
}
public void NestedDivsLayout()
{
var styles = new AssembledStyles();
BlockBox box1 = new BlockBox(styles, Color.Red, 72000, 36000);
BlockBox box2 = new BlockBox(styles, Color.Blue, 108000, 18000);
BlockBox box3 = new BlockBox(styles, Color.Orange, 72000, 18000);
BlockBox box4 = new BlockBox(styles, Color.Orange, 72000, 18000);
var div1 = new DivBox(styles);
var div2 = new DivBox(styles);
div1.AddBox(box1);
div1.AddBox(box2);
div2.AddBox(box3);
div2.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(div1);
root.AddBox(div2);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
Assert.That(box1.Height, Is.EqualTo(48));
Assert.That(box2.Height, Is.EqualTo(24));
Assert.That(root.Height, Is.EqualTo(48 + 24 + 24 + 24));
Assert.That(box1.Left, Is.EqualTo(0));
Assert.That(box2.Left, Is.EqualTo(0));
Assert.That(box1.Top, Is.EqualTo(0));
Assert.That(box2.Top, Is.EqualTo(48));
Assert.That(div2.Top, Is.EqualTo(48 + 24));
Assert.That(box4.Top, Is.EqualTo(24));
Assert.That(box1.Width, Is.EqualTo(96));
Assert.That(box2.Width, Is.EqualTo(144));
Assert.That(root.Width, Is.EqualTo(144));
// Now try changing the size of a block.
MockSite site = new MockSite();
root.Site = site;
PaintTransform ptrans = new PaintTransform(2, 4, 96, 96, 0, 10, 120, 128);
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
box2.UpdateSize(144000, 36000);
Assert.That(box2.Width, Is.EqualTo(96 * 2));
Assert.That(box2.Height, Is.EqualTo(48));
Assert.That(div1.Height, Is.EqualTo(96)); // two children now both 48 high.
Assert.That(root.Height, Is.EqualTo(48 + 48 + 24 + 24)); // new heights of 4 children.
Assert.That(root.Width, Is.EqualTo(96 * 2));
// Since it got both wider and higher, we should invalidate at least the whole current size.
var bigInvalidate = root.InvalidateRect;
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 36000);
Assert.That(root.Height, Is.EqualTo(48 + 48 + 24 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(144)); // narrower box2 still determines it
// Got narrower, at least the whole old invalidate rectangle should be invalidated.
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24 + 24 + 24)); // new smaller value
Assert.That(root.Width, Is.EqualTo(144)); // unchanged this time
// It got shorter. We want an optimized invalidate rectangle that does not
// include the top box. But it must include the space at the bottom that the root box used to occupy.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (its in the fixmap so its own Relayout does this);
// the shrinkage area at the bottom of div2;
// and the area computed because div2 moved.
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 144, 48); // old box2
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 24); // shrinkage of div1
// This is from the new top of div2 to its old bottom (old bottom was 48 + 48 + 24 + 24)
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 48 + 24);
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 72000);
Assert.That(root.Height, Is.EqualTo(48 + 96 + 24 + 24)); // new larger value
Assert.That(root.Width, Is.EqualTo(144)); // unchanged this time
// It got longer. We want an optimized invalidate rectangle that does not
// include the top box. But it must include the space at the bottom where the root box grew.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (it returns true from Relayout);
// the growth area at the bottom of div2;
// and the area computed because div2 moved.
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 144, 96); // new box2
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 - 24); // new part of div1 occupied by box2
// This is from the old top of div2 to its new bottom (48 + 96 + 24 + 24)
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 + 24);
}
public void ComplexRangeDrawing()
{
var string1 = "This is the day that the Lord has made.";
var string2 = "We will rejoice and be glad in it.";
var string3 = "Love the Lord your God with all your heart.";
var engine = new FakeRenderEngine()
{
Ws = 34, SegmentHeight = 13
};
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var runStyle = new AssembledStyles().WithWs(34);
var lineHeightMp = 20000;
var style = new AssembledStyles().WithLineHeight(lineHeightMp);
var root = new RootBox(style);
var para1 = MakePara(style, runStyle, string1);
root.AddBox(para1);
var div = new DivBox(style);
root.AddBox(div);
var para2 = MakePara(style, runStyle, string2);
div.AddBox(para2);
var para3 = MakePara(style, runStyle, string3);
div.AddBox(para3);
// This width makes each paragraph take three lines.
var layoutArgs = new LayoutInfo(2, 2, 96, 96, FakeRenderEngine.SimulatedWidth("This is the day "), m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
var ip1 = para1.SelectAt(1, false);
var ip2 = para1.SelectAt(3, true);
var range1 = new RangeSelection(ip1, ip2);
Assert.That(range1.EndBeforeAnchor, Is.False);
Assert.That(range1.Start, Is.EqualTo(ip1));
Assert.That(range1.End, Is.EqualTo(ip2));
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
var sbox1_1 = para1.FirstBox as StringBox;
range1.Draw(m_gm.VwGraphics, ptrans);
int topOffset = -2; // top of RcSrc for top of root box.
int topYd = 2; // destination coord corresponding to top of root box.
int leftXd = 2; // destination coord corresponding to left of root box.
int bottomOfFirstLine = topYd + engine.SegmentHeight;
int lineHeight = ptrans.MpToPixelsY(lineHeightMp);
int bottomOfFirstHilite = bottomOfFirstLine + (lineHeight - engine.SegmentHeight) / 2;
VerifyRangeSegmentDrawing(para1, sbox1_1, range1, topOffset, topYd, bottomOfFirstHilite);
var sbox1_2 = sbox1_1.Next as StringBox;
int bottomOfSecondHilite = bottomOfFirstHilite + lineHeight;
VerifyRangeSegmentDrawing(para1, sbox1_2, range1, topOffset - lineHeight, bottomOfFirstHilite, bottomOfSecondHilite);
var sbox1_3 = sbox1_2.Next as StringBox;
int bottomOfThirddHilite = bottomOfSecondHilite + lineHeight - para1.Ascent;
VerifyRangeSegmentDrawing(para1, sbox1_3, range1, topOffset - lineHeight * 2, bottomOfSecondHilite, bottomOfThirddHilite);
// A two-line selection has much the same results.
var ip3 = para1.SelectAt(sbox1_2.IchMin + 2, true);
var range2 = new RangeSelection(ip1, ip3);
range2.Draw(m_gm.VwGraphics, ptrans);
VerifyRangeSegmentDrawing(para1, sbox1_1, range2, topOffset, topYd, bottomOfFirstHilite);
VerifyRangeSegmentDrawing(para1, sbox1_2, range2, topOffset - lineHeight, bottomOfFirstHilite, bottomOfSecondHilite);
VerifyRangeSegmentDrawing(para1, sbox1_3, range2, topOffset - lineHeight * 2, bottomOfSecondHilite, bottomOfThirddHilite);
// Try multi-para selection in paras in same div.
var ip2_3 = para2.SelectAt(3, false);
var ip3_4 = para3.SelectAt(4, true);
var range3 = new RangeSelection(ip2_3, ip3_4);
range3.Draw(m_gm.VwGraphics, ptrans);
var sbox2_1 = para2.FirstBox as StringBox;
int topOfPara2 = topYd + para1.Height;
int bottomOfFirstLineP2 = topOfPara2 + engine.SegmentHeight;
int bottomOfFirstHiliteP2 = bottomOfFirstLineP2 + (lineHeight - engine.SegmentHeight) / 2;
VerifyRangeSegmentDrawing(para2, sbox2_1, range3, topOffset - para1.Height, topOfPara2, bottomOfFirstHiliteP2);
var sbox2_2 = sbox2_1.Next as StringBox;
int bottomOfSecondHiliteP2 = bottomOfFirstHiliteP2 + lineHeight;
VerifyRangeSegmentDrawing(para2, sbox2_2, range3, topOffset - para1.Height - lineHeight,
bottomOfFirstHiliteP2, bottomOfSecondHiliteP2);
var sbox2_3 = sbox2_2.Next as StringBox;
int bottomOfThirddHiliteP2 = bottomOfSecondHiliteP2 + lineHeight - para2.Ascent;
VerifyRangeSegmentDrawing(para2, sbox2_3, range3, topOffset - para1.Height - lineHeight * 2,
bottomOfSecondHiliteP2, bottomOfThirddHiliteP2);
var sbox3_1 = para3.FirstBox as StringBox;
int topOfPara3 = topOfPara2 + para2.Height;
var bottomOfFirstLineP3 = topOfPara3 + engine.SegmentHeight;
var bottomOfFirstHiliteP3 = bottomOfFirstLineP3 + (lineHeight - engine.SegmentHeight) / 2;
VerifyRangeSegmentDrawing(para3, sbox3_1, range3, topOffset - para1.Height - para2.Height, topOfPara3, bottomOfFirstHiliteP3);
// Currently the other two segments of para3 will also be asked to draw it, but we've already checked how tops and bottoms
// are worked out, and we don't care if these beyond-the-end segments draw it or not. Better not to test, then we can
// optimize freely.
// Now try a range that is (backwards and) across a div boundary
var range4 = new RangeSelection(ip3_4, ip2);
Assert.That(range4.EndBeforeAnchor, Is.True);
Assert.That(range4.Start.SameLocation(ip2), Is.True);
Assert.That(range4.End.SameLocation(ip3_4), Is.True);
ClearSegmentDrawing(sbox1_3);
ClearSegmentDrawing(sbox2_1);
ClearSegmentDrawing(sbox3_1);
range4.Draw(m_gm.VwGraphics, ptrans);
// Several others should get drawn as well, but I think it's sufficient to verify tha something gets done correct in each para.
VerifyRangeSegmentDrawing(para1, sbox1_3, range4, topOffset - lineHeight * 2, bottomOfSecondHilite, bottomOfThirddHilite);
VerifyRangeSegmentDrawing(para2, sbox2_1, range4, topOffset - para1.Height, topOfPara2, bottomOfFirstHiliteP2);
VerifyRangeSegmentDrawing(para3, sbox3_1, range4, topOffset - para1.Height - para2.Height, topOfPara3, bottomOfFirstHiliteP3);
var range5 = new RangeSelection(ip2, ip3_4);
Assert.That(range5.EndBeforeAnchor, Is.False);
Assert.That(range5.Start.SameLocation(ip2), Is.True);
Assert.That(range5.End.SameLocation(ip3_4), Is.True);
// While we've got these selections, it's a good chance to check out GetSelectionLocation
// The first one is a simple rectangle in the first string box.
SetSelectionLocation(sbox1_1, 15, 20);
Assert.That(range1.GetSelectionLocation(m_gm.VwGraphics, ptrans), Is.EqualTo(
new Rectangle(15, topYd, 20 - 15, bottomOfFirstHilite - topYd)));
SetSelectionLocation(sbox1_2, 18, 25);
Assert.That(range2.GetSelectionLocation(m_gm.VwGraphics, ptrans), Is.EqualTo(
new Rectangle(15, topYd, 25 - 15, bottomOfSecondHilite - topYd)));
SetSelectionLocation(sbox3_1, 22, 27);
Assert.That(range4.GetSelectionLocation(m_gm.VwGraphics, ptrans), Is.EqualTo(
new Rectangle(leftXd, topYd, para2.Width, bottomOfFirstHiliteP3 - topYd)));
}
public void DivClippedPaint()
{
var styles = new AssembledStyles();
var box1 = new FgBlockBox(styles, Color.Red, 72000, 36000);
var box2 = new FgBlockBox(styles, Color.Blue, 108000, 18000);
var box3 = new FgBlockBox(styles, Color.Orange, 72000, 18000);
var box4 = new FgBlockBox(styles, Color.Orange, 72000, 18000);
var div1 = new DivBox(styles);
div1.AddBox(box1);
div1.AddBox(box2);
div1.AddBox(box3);
div1.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(div1);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
var rect1 = new Rectangle(0, 0, 96, 48);
var rect2 = new Rectangle(0, 0, 144, 24);
rect2.Offset(0, rect1.Bottom);
var rect3 = new Rectangle(0, 0, 96, 24);
rect3.Offset(0, rect2.Bottom);
var rect4 = new Rectangle(0, 0, 96, 24);
rect4.Offset(0, rect3.Bottom);
var paintRects = new[] { rect1, rect2, rect3, rect4 };
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 2000), 0, 0, paintRects);
// Clipping off the top part, but not the whole, of a box does not prevent drawing it.
VerifyPaint(root, new Rectangle(-1000, 10, 2000, -10 + rect4.Bottom - 10), 0, 0, paintRects);
// Even clipping all but one pixel does not prevent drawing.
VerifyPaint(root, new Rectangle(-1000, 47, 2000, -47 + rect3.Bottom + 1), 0, 0, paintRects);
// However if we clip a bit more we should draw less
var middleTwo = new[] { rect2, rect3 };
VerifyPaint(root, new Rectangle(-1000, 48, 2000, -48 + rect3.Bottom - 2), 0, 0, middleTwo);
// If the clip covers just a bit of the first box we paint just that.
var firstOne = new[] { rect1 };
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 1000 + 10), 0, 0, firstOne);
// If the clip covers just a bit of the last box we paint just that.
var lastOne = new[] { rect4 };
VerifyPaint(root, new Rectangle(-1000, rect4.Bottom - 2, 2000, 1000), 0, 0, lastOne);
// If the clip is entirely above the pile we draw nothing.
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 990), 0, 0, null);
// Likewise if entirely below.
VerifyPaint(root, new Rectangle(-1000, rect4.Bottom + 10, 2000, 10), 0, 0, null);
// Now try with simulated scrolling. Use a normal clip rectangle, but pretend the first two
// and a bit boxes are scrolled off.
var offset = rect2.Bottom + 10;
var rect3Offset = rect3;
rect3Offset.Offset(0, -offset);
var rect4Offset = rect4;
rect4Offset.Offset(0, -offset);
var lastTwoOffset = new[] { rect3Offset, rect4Offset };
VerifyPaint(root, new Rectangle(-1000, 0, 2000, 200), 0, offset, lastTwoOffset);
}
public void FlashInsertionPoint()
{
AssembledStyles styles = new AssembledStyles();
var clientRuns = new List <IClientRun>();
BlockBox box0 = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns.Add(box0);
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);
var sel = new DummySelection();
root.Selection = sel;
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, sel.VgUsedToDraw);
Assert.AreEqual(ptrans, sel.TransformUsedToDraw);
sel.ClearResults();
root.FlashInsertionPoint();
Assert.IsFalse(sel.WasInvalidated, "flash IP should not cause range to be invalidated");
var ip = new DummySelection();
ip.SimulateIP = true;
root.Selection = ip;
Assert.IsTrue(ip.WasInvalidated);
// Initial paint after being installed should indeed paint the IP (so it appears at once)
ip.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, ip.VgUsedToDraw);
Assert.AreEqual(ptrans, ip.TransformUsedToDraw);
// Each flash should invalide it.
sel.ClearResults();
root.FlashInsertionPoint();
Assert.IsTrue(ip.WasInvalidated);
// The second paint should do nothing to the IP.
ip.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(null, ip.VgUsedToDraw);
// One more flash
ip.ClearResults();
root.FlashInsertionPoint();
Assert.IsTrue(ip.WasInvalidated);
// And now back to drawing the IP.
ip.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, ip.VgUsedToDraw);
Assert.AreEqual(ptrans, ip.TransformUsedToDraw);
// range should get drawn even though IP was hidden.
root.FlashInsertionPoint(); // back to hidden
root.Selection = sel; // back to range.
sel.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, sel.VgUsedToDraw);
Assert.AreEqual(ptrans, sel.TransformUsedToDraw);
}
public void ValidSelections()
{
AssembledStyles styles = new AssembledStyles();
var clientRuns = new List<IClientRun>();
var run0 = new StringClientRun("First run", styles);
var run1 = new StringClientRun("Middle run", styles);
BlockBox box0 = new BlockBox(styles, Color.Red, 72000, 36000);
var run2 = new StringClientRun("Last run", styles);
clientRuns.Add(run0);
clientRuns.Add(run1);
clientRuns.Add(box0);
clientRuns.Add(run2);
TextSource source = new TextSource(clientRuns, null);
ParaBox para0 = new ParaBox(styles, source);
run0.Hookup = new LiteralStringParaHookup(para0, para0);
run1.Hookup = new LiteralStringParaHookup(para0, para0);
run2.Hookup = new LiteralStringParaHookup(para0, para0);
DivBox div = new DivBox(styles);
RootBox root = new RootBox(styles);
para0.Container = div;
MockGraphics graphics = new MockGraphics();
LayoutInfo layoutArgs = ParaBuilderTests.MakeLayoutInfo(100, graphics);
root.Layout(layoutArgs);
root.AddBox(div);
var sel = para0.SelectAtStart();
root.Selection = sel;
Assert.That(!root.Selection.IsValid);
div.AddBox(para0);
root.RemoveBoxes(div, div);
div.Container = root;
Assert.That(!root.Selection.IsValid);
root.AddBox(div);
Assert.That(root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 4;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 2;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).Hookup.ClientRunIndex = 0;
(root.Selection as InsertionPoint).StringPosition = 10;
Assert.That(!root.Selection.IsValid);
(root.Selection as InsertionPoint).StringPosition = 0;
run0.Hookup = null;
Assert.That(!root.Selection.IsValid);
run0.Hookup = new LiteralStringParaHookup(para0, para0);
sel = para0.SelectAtStart();
root.Selection = sel;
Assert.That(root.Selection.IsValid);
}
public void ComplexRangeDrawing()
{
var string1 = "This is the day that the Lord has made.";
var string2 = "We will rejoice and be glad in it.";
var string3 = "Love the Lord your God with all your heart.";
var engine = new FakeRenderEngine() { Ws = 34, SegmentHeight = 13 };
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var runStyle = new AssembledStyles().WithWs(34);
var lineHeightMp = 20000;
var style = new AssembledStyles().WithLineHeight(lineHeightMp);
var root = new RootBox(style);
var para1 = MakePara(style, runStyle, string1);
root.AddBox(para1);
var div = new DivBox(style);
root.AddBox(div);
var para2 = MakePara(style, runStyle, string2);
div.AddBox(para2);
var para3 = MakePara(style, runStyle, string3);
div.AddBox(para3);
// This width makes each paragraph take three lines.
var layoutArgs = new LayoutInfo(2, 2, 96, 96, FakeRenderEngine.SimulatedWidth("This is the day "), m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
var ip1 = para1.SelectAt(1, false);
var ip2 = para1.SelectAt(3, true);
var range1 = new RangeSelection(ip1, ip2);
Assert.That(range1.EndBeforeAnchor, Is.False);
Assert.That(range1.Start, Is.EqualTo(ip1));
Assert.That(range1.End, Is.EqualTo(ip2));
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
var sbox1_1 = para1.FirstBox as StringBox;
range1.Draw(m_gm.VwGraphics, ptrans);
int topOffset = -2; // top of RcSrc for top of root box.
int topYd = 2; // destination coord corresponding to top of root box.
int leftXd = 2; // destination coord corresponding to left of root box.
int bottomOfFirstLine = topYd + engine.SegmentHeight;
int lineHeight = ptrans.MpToPixelsY(lineHeightMp);
int bottomOfFirstHilite = bottomOfFirstLine + (lineHeight - engine.SegmentHeight)/2;
VerifyRangeSegmentDrawing(para1, sbox1_1, range1, topOffset, topYd, bottomOfFirstHilite);
var sbox1_2 = sbox1_1.Next as StringBox;
int bottomOfSecondHilite = bottomOfFirstHilite + lineHeight;
VerifyRangeSegmentDrawing(para1, sbox1_2, range1, topOffset - lineHeight, bottomOfFirstHilite, bottomOfSecondHilite);
var sbox1_3 = sbox1_2.Next as StringBox;
int bottomOfThirddHilite = bottomOfSecondHilite + lineHeight - para1.Ascent;
VerifyRangeSegmentDrawing(para1, sbox1_3, range1, topOffset - lineHeight * 2, bottomOfSecondHilite, bottomOfThirddHilite);
// A two-line selection has much the same results.
var ip3 = para1.SelectAt(sbox1_2.IchMin + 2, true);
var range2 = new RangeSelection(ip1, ip3);
range2.Draw(m_gm.VwGraphics, ptrans);
VerifyRangeSegmentDrawing(para1, sbox1_1, range2, topOffset, topYd, bottomOfFirstHilite);
VerifyRangeSegmentDrawing(para1, sbox1_2, range2, topOffset - lineHeight, bottomOfFirstHilite, bottomOfSecondHilite);
VerifyRangeSegmentDrawing(para1, sbox1_3, range2, topOffset - lineHeight * 2, bottomOfSecondHilite, bottomOfThirddHilite);
// Try multi-para selection in paras in same div.
var ip2_3 = para2.SelectAt(3, false);
var ip3_4 = para3.SelectAt(4, true);
var range3 = new RangeSelection(ip2_3, ip3_4);
range3.Draw(m_gm.VwGraphics, ptrans);
var sbox2_1 = para2.FirstBox as StringBox;
int topOfPara2 = topYd + para1.Height;
int bottomOfFirstLineP2 = topOfPara2 + engine.SegmentHeight;
int bottomOfFirstHiliteP2 = bottomOfFirstLineP2 + (lineHeight - engine.SegmentHeight) / 2;
VerifyRangeSegmentDrawing(para2, sbox2_1, range3, topOffset - para1.Height, topOfPara2, bottomOfFirstHiliteP2);
var sbox2_2 = sbox2_1.Next as StringBox;
int bottomOfSecondHiliteP2 = bottomOfFirstHiliteP2 + lineHeight;
VerifyRangeSegmentDrawing(para2, sbox2_2, range3, topOffset - para1.Height - lineHeight,
bottomOfFirstHiliteP2, bottomOfSecondHiliteP2);
var sbox2_3 = sbox2_2.Next as StringBox;
int bottomOfThirddHiliteP2 = bottomOfSecondHiliteP2 + lineHeight - para2.Ascent;
VerifyRangeSegmentDrawing(para2, sbox2_3, range3, topOffset - para1.Height - lineHeight * 2,
bottomOfSecondHiliteP2, bottomOfThirddHiliteP2);
var sbox3_1 = para3.FirstBox as StringBox;
int topOfPara3 = topOfPara2 + para2.Height;
var bottomOfFirstLineP3 = topOfPara3 + engine.SegmentHeight;
var bottomOfFirstHiliteP3 = bottomOfFirstLineP3 + (lineHeight - engine.SegmentHeight) / 2;
VerifyRangeSegmentDrawing(para3, sbox3_1, range3, topOffset - para1.Height - para2.Height, topOfPara3, bottomOfFirstHiliteP3);
// Currently the other two segments of para3 will also be asked to draw it, but we've already checked how tops and bottoms
// are worked out, and we don't care if these beyond-the-end segments draw it or not. Better not to test, then we can
// optimize freely.
// Now try a range that is (backwards and) across a div boundary
var range4 = new RangeSelection(ip3_4, ip2);
Assert.That(range4.EndBeforeAnchor, Is.True);
Assert.That(range4.Start.SameLocation(ip2), Is.True);
Assert.That(range4.End.SameLocation(ip3_4), Is.True);
ClearSegmentDrawing(sbox1_3);
ClearSegmentDrawing(sbox2_1);
ClearSegmentDrawing(sbox3_1);
range4.Draw(m_gm.VwGraphics, ptrans);
// Several others should get drawn as well, but I think it's sufficient to verify tha something gets done correct in each para.
VerifyRangeSegmentDrawing(para1, sbox1_3, range4, topOffset - lineHeight * 2, bottomOfSecondHilite, bottomOfThirddHilite);
VerifyRangeSegmentDrawing(para2, sbox2_1, range4, topOffset - para1.Height, topOfPara2, bottomOfFirstHiliteP2);
VerifyRangeSegmentDrawing(para3, sbox3_1, range4, topOffset - para1.Height - para2.Height, topOfPara3, bottomOfFirstHiliteP3);
var range5 = new RangeSelection(ip2, ip3_4);
Assert.That(range5.EndBeforeAnchor, Is.False);
Assert.That(range5.Start.SameLocation(ip2), Is.True);
Assert.That(range5.End.SameLocation(ip3_4), Is.True);
// While we've got these selections, it's a good chance to check out GetSelectionLocation
// The first one is a simple rectangle in the first string box.
SetSelectionLocation(sbox1_1, 15, 20);
Assert.That(range1.GetSelectionLocation(m_gm.VwGraphics, ptrans), Is.EqualTo(
new Rectangle(15, topYd, 20 - 15, bottomOfFirstHilite - topYd)));
SetSelectionLocation(sbox1_2, 18, 25);
Assert.That(range2.GetSelectionLocation(m_gm.VwGraphics, ptrans), Is.EqualTo(
new Rectangle(15, topYd, 25 - 15, bottomOfSecondHilite - topYd)));
SetSelectionLocation(sbox3_1, 22, 27);
Assert.That(range4.GetSelectionLocation(m_gm.VwGraphics, ptrans), Is.EqualTo(
new Rectangle(leftXd, topYd, para2.Width, bottomOfFirstHiliteP3 - topYd)));
}
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));
}
public void NestedRowsLayout()
{
var styles = new AssembledStyles();
var box1 = new LayoutInfoRecorderBox(styles, Color.Red, 72000, 36000);
var box2 = new LayoutInfoRecorderBox(styles, Color.Blue, 108000, 18000);
var box3 = new LayoutInfoRecorderBox(styles, Color.Orange, 72000, 18000);
var box4 = new LayoutInfoRecorderBox(styles, Color.Orange, 72000, 18000);
var widths = new FixedColumnWidths(new[] { 34, 67, 99 });
// pass widths to RowBox constructor
var row1 = new RowBox(styles, widths, false);
var row2 = new RowBox(styles, widths, false);
row1.AddBox(box1);
row1.AddBox(box2);
row2.AddBox(box3);
row2.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(row1);
root.AddBox(row2);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
Assert.That(box1.LastLayoutInfo.MaxWidth, Is.EqualTo(34));
Assert.That(box1.Height, Is.EqualTo(48));
Assert.That(box2.Height, Is.EqualTo(24));
Assert.That(box3.Height, Is.EqualTo(24));
Assert.That(box4.Height, Is.EqualTo(24));
Assert.That(root.Height, Is.EqualTo(48 + 24));
Assert.That(box1.Left, Is.EqualTo(0));
Assert.That(box2.Left, Is.EqualTo(96));
Assert.That(box3.Left, Is.EqualTo(0));
Assert.That(box4.Left, Is.EqualTo(96));
Assert.That(row1.Top, Is.EqualTo(0));
Assert.That(box1.Top, Is.EqualTo(0));
Assert.That(box2.Top, Is.EqualTo(0));
Assert.That(row2.Top, Is.EqualTo(48));
Assert.That(box3.Top, Is.EqualTo(0));
Assert.That(box4.Top, Is.EqualTo(0));
Assert.That(box1.Width, Is.EqualTo(96));
Assert.That(box2.Width, Is.EqualTo(144));
Assert.That(box3.Width, Is.EqualTo(96));
Assert.That(box4.Width, Is.EqualTo(96));
Assert.That(root.Width, Is.EqualTo(96 + 144));
// Now try changing the size of a block.
MockSite site = new MockSite();
root.Site = site;
PaintTransform ptrans = new PaintTransform(2, 4, 96, 96, 0, 10, 120, 128);
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
box2.UpdateSize(144000, 36000);
Assert.That(box2.Width, Is.EqualTo(96 * 2));
Assert.That(box2.Height, Is.EqualTo(48));
Assert.That(row1.Height, Is.EqualTo(48));
Assert.That(root.Height, Is.EqualTo(72));
Assert.That(root.Width, Is.EqualTo(96 * 3));
// Since it got both wider and higher, we should invalidate at least the whole current size.
var bigInvalidate = root.InvalidateRect;
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(96 + 144)); // narrower box2 still determines it
// Got narrower, at least the whole old invalidate rectangle should be invalidated.
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(72000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(144 + 48)); // new smaller value
// It got thinner. We want an optimized invalidate rectangle that does not
// include the left boxes. But it must include the space at the right that the root box used to occupy.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (it's in the fixmap so its own Relayout does this);
// the shrinkage area at the right of row2;
// and the area computed because row2 moved.
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 48, 144); // old box2
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 24); // shrinkage of row1
// This is from the new left of div2 to its old right (old right was 48 + 48 + 24 + 24)
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 48 + 24);
site.RectsInvalidated.Clear();
box2.UpdateSize(144000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(144 + 144)); // new larger value
// It got wider. We want an optimized invalidate rectangle that does not
// include the left boxes. But it must include the space at the right where the root box grew.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (it returns true from Relayout);
// the growth area at the right of div2;
// and the area computed because div2 moved.
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 144, 96); // new box2
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 - 24); // new part of div1 occupied by box2
// This is from the old left of div2 to its new right (48 + 96 + 24 + 24)
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 + 24);
}
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);
}
public void FlashInsertionPoint()
{
AssembledStyles styles = new AssembledStyles();
var clientRuns = new List<IClientRun>();
BlockBox box0 = new BlockBox(styles, Color.Red, 72000, 36000);
clientRuns.Add(box0);
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);
var sel = new DummySelection();
root.Selection = sel;
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, sel.VgUsedToDraw);
Assert.AreEqual(ptrans, sel.TransformUsedToDraw);
sel.ClearResults();
root.FlashInsertionPoint();
Assert.IsFalse(sel.WasInvalidated, "flash IP should not cause range to be invalidated");
var ip = new DummySelection();
ip.SimulateIP = true;
root.Selection = ip;
Assert.IsTrue(ip.WasInvalidated);
// Initial paint after being installed should indeed paint the IP (so it appears at once)
ip.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, ip.VgUsedToDraw);
Assert.AreEqual(ptrans, ip.TransformUsedToDraw);
// Each flash should invalide it.
sel.ClearResults();
root.FlashInsertionPoint();
Assert.IsTrue(ip.WasInvalidated);
// The second paint should do nothing to the IP.
ip.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(null, ip.VgUsedToDraw);
// One more flash
ip.ClearResults();
root.FlashInsertionPoint();
Assert.IsTrue(ip.WasInvalidated);
// And now back to drawing the IP.
ip.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, ip.VgUsedToDraw);
Assert.AreEqual(ptrans, ip.TransformUsedToDraw);
// range should get drawn even though IP was hidden.
root.FlashInsertionPoint(); // back to hidden
root.Selection = sel; // back to range.
sel.ClearResults();
root.Paint(graphics, ptrans);
Assert.AreEqual(graphics, sel.VgUsedToDraw);
Assert.AreEqual(ptrans, sel.TransformUsedToDraw);
}
/// <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 RowClippedPaint()
{
var styles = new AssembledStyles();
var box1 = new FgBlockBox(styles, Color.Red, 36000, 72000);
var box2 = new FgBlockBox(styles, Color.Blue, 18000, 108000);
var box3 = new FgBlockBox(styles, Color.Orange, 18000, 72000);
var box4 = new FgBlockBox(styles, Color.Orange, 18000, 72000);
var widths = new FixedColumnWidths(new[] { 34, 67, 99, 46 });
var row1 = new RowBox(styles, widths, false);
row1.AddBox(box1);
row1.AddBox(box2);
row1.AddBox(box3);
row1.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(row1);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
var rect1 = new Rectangle(0, 0, 48, 96);
var rect2 = new Rectangle(0, 0, 24, 144);
rect2.Offset(rect1.Right, 0);
var rect3 = new Rectangle(0, 0, 24, 96);
rect3.Offset(rect2.Right, 0);
var rect4 = new Rectangle(0, 0, 24, 96);
rect4.Offset(rect3.Right, 0);
var paintRects = new[] { rect1, rect2, rect3, rect4 };
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 2000), 0, 0, paintRects);
// Clipping off the left part, but not the whole, of a box does not prevent drawing it.
VerifyPaint(root, new Rectangle(10, -1000, -10 + rect4.Right - 10, 2000), 0, 0, paintRects);
// Even clipping all but one pixel does not prevent drawing.
VerifyPaint(root, new Rectangle(47, -1000, -47 + rect3.Right + 1, 2000), 0, 0, paintRects);
// However if we clip a bit more we should draw less
var middleTwo = new[] { rect2, rect3 };
VerifyPaint(root, new Rectangle(48, -1000, -48 + rect3.Right - 2, 2000), 0, 0, middleTwo);
// If the clip covers just a bit of the first box we paint just that.
var firstOne = new[] { rect1 };
VerifyPaint(root, new Rectangle(-1000, -1000, 1000 + 10, 2000), 0, 0, firstOne);
// If the clip covers just a bit of the last box we paint just that.
var lastOne = new[] { rect4 };
VerifyPaint(root, new Rectangle(rect4.Right - 2, -1000, 1000, 2000), 0, 0, lastOne);
// If the clip is entirely above the pile we draw nothing.
VerifyPaint(root, new Rectangle(-1000, -1000, 990, 2000), 0, 0, null);
// Likewise if entirely below.
VerifyPaint(root, new Rectangle(rect4.Right + 10, -1000, 10, 2000), 0, 0, null);
// Now try with simulated scrolling. Use a normal clip rectangle, but pretend the first two
// and a bit boxes are scrolled off.
var offset = rect2.Right + 10;
var rect3Offset = rect3;
rect3Offset.Offset(-offset, 0);
var rect4Offset = rect4;
rect4Offset.Offset(-offset, 0);
var lastTwoOffset = new[] { rect3Offset, rect4Offset };
VerifyPaint(root, new Rectangle(0, -1000, 200, 2000), offset, 0, lastTwoOffset);
}
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;
}
public void DivClippedPaint()
{
var styles = new AssembledStyles();
var box1 = new FgBlockBox(styles, Color.Red, 72000, 36000);
var box2 = new FgBlockBox(styles, Color.Blue, 108000, 18000);
var box3 = new FgBlockBox(styles, Color.Orange, 72000, 18000);
var box4 = new FgBlockBox(styles, Color.Orange, 72000, 18000);
var div1 = new DivBox(styles);
div1.AddBox(box1);
div1.AddBox(box2);
div1.AddBox(box3);
div1.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(div1);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
var rect1 = new Rectangle(0, 0, 96, 48);
var rect2 = new Rectangle(0, 0, 144, 24);
rect2.Offset(0, rect1.Bottom);
var rect3 = new Rectangle(0, 0, 96, 24);
rect3.Offset(0, rect2.Bottom);
var rect4 = new Rectangle(0, 0, 96, 24);
rect4.Offset(0, rect3.Bottom);
var paintRects = new[] { rect1, rect2, rect3, rect4 };
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 2000), 0, 0, paintRects);
// Clipping off the top part, but not the whole, of a box does not prevent drawing it.
VerifyPaint(root, new Rectangle(-1000, 10, 2000, -10 + rect4.Bottom - 10), 0, 0, paintRects);
// Even clipping all but one pixel does not prevent drawing.
VerifyPaint(root, new Rectangle(-1000, 47, 2000, -47 + rect3.Bottom + 1), 0, 0, paintRects);
// However if we clip a bit more we should draw less
var middleTwo = new[] {rect2, rect3};
VerifyPaint(root, new Rectangle(-1000, 48, 2000, -48 + rect3.Bottom - 2), 0, 0, middleTwo);
// If the clip covers just a bit of the first box we paint just that.
var firstOne = new[] {rect1};
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 1000 + 10), 0, 0, firstOne);
// If the clip covers just a bit of the last box we paint just that.
var lastOne = new[] { rect4 };
VerifyPaint(root, new Rectangle(-1000, rect4.Bottom - 2, 2000, 1000), 0, 0, lastOne);
// If the clip is entirely above the pile we draw nothing.
VerifyPaint(root, new Rectangle(-1000, -1000, 2000, 990), 0, 0, null);
// Likewise if entirely below.
VerifyPaint(root, new Rectangle(-1000, rect4.Bottom + 10, 2000, 10), 0, 0, null);
// Now try with simulated scrolling. Use a normal clip rectangle, but pretend the first two
// and a bit boxes are scrolled off.
var offset = rect2.Bottom + 10;
var rect3Offset = rect3;
rect3Offset.Offset(0, -offset);
var rect4Offset = rect4;
rect4Offset.Offset(0, -offset);
var lastTwoOffset = new[] {rect3Offset, rect4Offset};
VerifyPaint(root, new Rectangle(-1000, 0, 2000, 200), 0, offset, lastTwoOffset);
}
public void NextAndPrevInSelectionSeq()
{
var styles = new AssembledStyles();
var root = new RootBox(styles);
Assert.That(root.NextInSelectionSequence(true), Is.Null);
Assert.That(root.PreviousInSelectionSequence, Is.Null);
var block = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block);
Assert.That(root.NextInSelectionSequence(true), Is.EqualTo(block));
Assert.That(block.PreviousInSelectionSequence, Is.EqualTo(root));
var div = new DivBox(styles);
root.AddBox(div);
Assert.That(block.NextInSelectionSequence(true), Is.EqualTo(div));
Assert.That(div.PreviousInSelectionSequence, Is.EqualTo(block));
var divChild = new DivBox(styles);
div.AddBox(divChild);
var block2 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block2);
var block3 = new BlockBox(styles, Color.Red, 6000, 6000);
divChild.AddBox(block3);
var block4 = new BlockBox(styles, Color.Red, 6000, 6000);
div.AddBox(block4);
// up and forward
Assert.That(block3.NextInSelectionSequence(true), Is.EqualTo(block4));
Assert.That(block4.PreviousInSelectionSequence, Is.EqualTo(block3));
// Can go back from a box to a previous empty group
var emptyDiv = new DivBox(styles);
root.AddBox(emptyDiv);
var block5 = new BlockBox(styles, Color.Red, 6000, 6000);
root.AddBox(block5);
Assert.That(emptyDiv.NextInSelectionSequence(true), Is.EqualTo(block5));
Assert.That(block5.PreviousInSelectionSequence, Is.EqualTo(emptyDiv));
Assert.That(div.NextInSelectionSequence(true), Is.EqualTo(divChild));
Assert.That(div.NextInSelectionSequence(false), Is.EqualTo(emptyDiv));
}
public void NestedDivsLayout()
{
var styles = new AssembledStyles();
BlockBox box1 = new BlockBox(styles, Color.Red, 72000, 36000);
BlockBox box2 = new BlockBox(styles, Color.Blue, 108000, 18000);
BlockBox box3 = new BlockBox(styles, Color.Orange, 72000, 18000);
BlockBox box4 = new BlockBox(styles, Color.Orange, 72000, 18000);
var div1 = new DivBox(styles);
var div2 = new DivBox(styles);
div1.AddBox(box1);
div1.AddBox(box2);
div2.AddBox(box3);
div2.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(div1);
root.AddBox(div2);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
Assert.That(box1.Height, Is.EqualTo(48));
Assert.That(box2.Height, Is.EqualTo(24));
Assert.That(root.Height, Is.EqualTo(48 + 24 + 24 + 24));
Assert.That(box1.Left, Is.EqualTo(0));
Assert.That(box2.Left, Is.EqualTo(0));
Assert.That(box1.Top, Is.EqualTo(0));
Assert.That(box2.Top, Is.EqualTo(48));
Assert.That(div2.Top, Is.EqualTo(48 + 24));
Assert.That(box4.Top, Is.EqualTo(24));
Assert.That(box1.Width, Is.EqualTo(96));
Assert.That(box2.Width, Is.EqualTo(144));
Assert.That(root.Width, Is.EqualTo(144));
// Now try changing the size of a block.
MockSite site = new MockSite();
root.Site = site;
PaintTransform ptrans = new PaintTransform(2, 4, 96, 96, 0, 10, 120, 128);
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
box2.UpdateSize(144000, 36000);
Assert.That(box2.Width, Is.EqualTo(96*2));
Assert.That(box2.Height, Is.EqualTo(48));
Assert.That(div1.Height, Is.EqualTo(96)); // two children now both 48 high.
Assert.That(root.Height, Is.EqualTo(48 +48 + 24 + 24)); // new heights of 4 children.
Assert.That(root.Width, Is.EqualTo(96*2));
// Since it got both wider and higher, we should invalidate at least the whole current size.
var bigInvalidate = root.InvalidateRect;
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 36000);
Assert.That(root.Height, Is.EqualTo(48 + 48 + 24 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(144)); // narrower box2 still determines it
// Got narrower, at least the whole old invalidate rectangle should be invalidated.
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24 + 24 + 24)); // new smaller value
Assert.That(root.Width, Is.EqualTo(144)); // unchanged this time
// It got shorter. We want an optimized invalidate rectangle that does not
// include the top box. But it must include the space at the bottom that the root box used to occupy.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (its in the fixmap so its own Relayout does this);
// the shrinkage area at the bottom of div2;
// and the area computed because div2 moved.
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 144, 48); // old box2
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 24); // shrinkage of div1
// This is from the new top of div2 to its old bottom (old bottom was 48 + 48 + 24 + 24)
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 48 + 24);
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 72000);
Assert.That(root.Height, Is.EqualTo(48 + 96 + 24 + 24)); // new larger value
Assert.That(root.Width, Is.EqualTo(144)); // unchanged this time
// It got longer. We want an optimized invalidate rectangle that does not
// include the top box. But it must include the space at the bottom where the root box grew.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (it returns true from Relayout);
// the growth area at the bottom of div2;
// and the area computed because div2 moved.
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 144, 96); // new box2
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 - 24); // new part of div1 occupied by box2
// This is from the old top of div2 to its new bottom (48 + 96 + 24 + 24)
VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 + 24);
}
public void CommonContainerTests()
{
var styles = new AssembledStyles();
var columnWidths = new FixedColumnWidths(new[] {10});
var root1 = new RootBox(styles);
var root2 = new RootBox(styles);
VerifyCC(root1, root1, root1, root1, root1);
VerifyCC(root2, root2, root2, root2, root2);
var row1 = new RowBox(styles, columnWidths, false);
var div1 = new DivBox(styles);
root2.AddBox(row1);
root1.AddBox(div1);
VerifyCC(row1, row1, row1, row1, row1);
VerifyCC(div1, div1, div1, div1, div1);
VerifyCC(root1, div1, root1, root1, div1);
VerifyCC(root2, row1, root2, root2, row1);
var row2 = new RowBox(styles, columnWidths, false);
var div2 = new DivBox(styles);
root2.AddBox(row2);
root1.AddBox(div2);
VerifyCC(row1, row2, root2, row1, row2);
VerifyCC(div1, div2, root1, div1, div2);
var row3 = new RowBox(styles, columnWidths, false);
var div3 = new DivBox(styles);
row1.AddBox(row3);
div1.AddBox(div3);
VerifyCC(row1, row3, row1, row1, row3);
VerifyCC(row2, row3, root2, row2, row1);
VerifyCC(div1, div3, div1, div1, div3);
VerifyCC(div2, div3, root1, div2, div1);
var row4 = new RowBox(styles, columnWidths, false);
var div4 = new DivBox(styles);
row2.AddBox(row4);
div2.AddBox(div4);
VerifyCC(row3, row4, root2, row1, row2);
VerifyCC(row1, row4, root2, row1, row2);
VerifyCC(div3, div4, root1, div1, div2);
VerifyCC(div1, div4, root1, div1, div2);
}
public void NestedRowsLayout()
{
var styles = new AssembledStyles();
var box1 = new LayoutInfoRecorderBox(styles, Color.Red, 72000, 36000);
var box2 = new LayoutInfoRecorderBox(styles, Color.Blue, 108000, 18000);
var box3 = new LayoutInfoRecorderBox(styles, Color.Orange, 72000, 18000);
var box4 = new LayoutInfoRecorderBox(styles, Color.Orange, 72000, 18000);
var widths = new FixedColumnWidths(new[] {34, 67, 99});
// pass widths to RowBox constructor
var row1 = new RowBox(styles, widths, false);
var row2 = new RowBox(styles, widths, false);
row1.AddBox(box1);
row1.AddBox(box2);
row2.AddBox(box3);
row2.AddBox(box4);
RootBox root = new RootBox(styles);
root.AddBox(row1);
root.AddBox(row2);
LayoutInfo layoutArgs = MakeLayoutInfo();
root.Layout(layoutArgs);
Assert.That(box1.LastLayoutInfo.MaxWidth, Is.EqualTo(34));
Assert.That(box1.Height, Is.EqualTo(48));
Assert.That(box2.Height, Is.EqualTo(24));
Assert.That(box3.Height, Is.EqualTo(24));
Assert.That(box4.Height, Is.EqualTo(24));
Assert.That(root.Height, Is.EqualTo(48 + 24));
Assert.That(box1.Left, Is.EqualTo(0));
Assert.That(box2.Left, Is.EqualTo(96));
Assert.That(box3.Left, Is.EqualTo(0));
Assert.That(box4.Left, Is.EqualTo(96));
Assert.That(row1.Top, Is.EqualTo(0));
Assert.That(box1.Top, Is.EqualTo(0));
Assert.That(box2.Top, Is.EqualTo(0));
Assert.That(row2.Top, Is.EqualTo(48));
Assert.That(box3.Top, Is.EqualTo(0));
Assert.That(box4.Top, Is.EqualTo(0));
Assert.That(box1.Width, Is.EqualTo(96));
Assert.That(box2.Width, Is.EqualTo(144));
Assert.That(box3.Width, Is.EqualTo(96));
Assert.That(box4.Width, Is.EqualTo(96));
Assert.That(root.Width, Is.EqualTo(96 + 144));
// Now try changing the size of a block.
MockSite site = new MockSite();
root.Site = site;
PaintTransform ptrans = new PaintTransform(2, 4, 96, 96, 0, 10, 120, 128);
site.m_transform = ptrans;
site.m_vwGraphics = m_gm.VwGraphics;
box2.UpdateSize(144000, 36000);
Assert.That(box2.Width, Is.EqualTo(96 * 2));
Assert.That(box2.Height, Is.EqualTo(48));
Assert.That(row1.Height, Is.EqualTo(48));
Assert.That(root.Height, Is.EqualTo(72));
Assert.That(root.Width, Is.EqualTo(96 * 3));
// Since it got both wider and higher, we should invalidate at least the whole current size.
var bigInvalidate = root.InvalidateRect;
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(108000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(96 + 144)); // narrower box2 still determines it
// Got narrower, at least the whole old invalidate rectangle should be invalidated.
Assert.That(site.RectsInvalidatedInRoot, Has.Member(bigInvalidate));
site.RectsInvalidated.Clear();
box2.UpdateSize(72000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(144 + 48)); // new smaller value
// It got thinner. We want an optimized invalidate rectangle that does not
// include the left boxes. But it must include the space at the right that the root box used to occupy.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (it's in the fixmap so its own Relayout does this);
// the shrinkage area at the right of row2;
// and the area computed because row2 moved.
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 48, 144); // old box2
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 24); // shrinkage of row1
// This is from the new left of div2 to its old right (old right was 48 + 48 + 24 + 24)
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 48 + 24);
site.RectsInvalidated.Clear();
box2.UpdateSize(144000, 18000);
Assert.That(root.Height, Is.EqualTo(48 + 24)); // unchanged this time
Assert.That(root.Width, Is.EqualTo(144 + 144)); // new larger value
// It got wider. We want an optimized invalidate rectangle that does not
// include the left boxes. But it must include the space at the right where the root box grew.
// There are other possible implementations, but currently, we expect the old rectangle of box2
// to be invalidated (it returns true from Relayout);
// the growth area at the right of div2;
// and the area computed because div2 moved.
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48, 144, 96); // new box2
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 - 24); // new part of div1 occupied by box2
// This is from the old left of div2 to its new right (48 + 96 + 24 + 24)
//VerifyExpectedRectangle(site.RectsInvalidatedInRoot, 0, 48 + 24, 144, 96 + 24);
}
public void MouseEvents()
{
var string1 = "This is the day that the Lord has made.";
var engine = new FakeRenderEngine() { Ws = 34, SegmentHeight = 13 };
var factory = new FakeRendererFactory();
factory.SetRenderer(34, engine);
var runStyle = new AssembledStyles().WithWs(34);
var style = new AssembledStyles();
var root = new RootBox(style);
var para1 = MakePara(style, runStyle, string1);
root.AddBox(para1);
PaintTransform ptrans = new PaintTransform(2, 2, 96, 96, 0, 0, 96, 96);
var layoutArgs = new LayoutInfo(2, 2, 96, 96, FakeRenderEngine.SimulatedWidth("This is the day "), m_gm.VwGraphics, factory);
root.Layout(layoutArgs);
var mouseArgs = new MouseEventArgs(MouseButtons.Left, 1, 2, 5, 0);
root.OnMouseDown(mouseArgs, Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(0));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.False);
// In a different place, tests moving the selection and also getting AssociatePrevious true.
int widthThis = FakeRenderEngine.SimulatedWidth("This");
var mouseArgs2 = new MouseEventArgs(MouseButtons.Left, 1, 2 + widthThis - 1, 5, 0);
root.OnMouseDown(mouseArgs2, Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(4));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.True);
// A click in the same place should not make a new selection.
var sel = root.Selection;
root.OnMouseDown(mouseArgs2, Keys.None, m_gm.VwGraphics, ptrans); // no change
Assert.That(root.Selection, Is.EqualTo(sel));
// A shift-click close enough to the same place to be the same character position but difference AssocPrevious
// should make the appropriate new IP, not a range.
var mouseArgs2b = new MouseEventArgs(MouseButtons.Left, 1, 2 + widthThis + 1, 5, 0);
root.OnMouseDown(mouseArgs2b, Keys.Shift, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(4));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.False);
// A shift-click should make a range.
root.OnMouseDown(mouseArgs, Keys.Shift, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(RangeSelection)));
var anchor = ((RangeSelection) root.Selection).Anchor;
var drag = ((RangeSelection) root.Selection).DragEnd;
Assert.That(anchor.LogicalParaPosition, Is.EqualTo(4));
Assert.That(drag.LogicalParaPosition, Is.EqualTo(0));
// shift-click further right: should move the drag end
var mouseArgs3 = new MouseEventArgs(MouseButtons.Left, 1, 2 + 4, 5, 0);
root.OnMouseDown(mouseArgs3, Keys.Shift, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(RangeSelection)));
anchor = ((RangeSelection)root.Selection).Anchor;
drag = ((RangeSelection)root.Selection).DragEnd;
Assert.That(anchor.LogicalParaPosition, Is.EqualTo(4));
Assert.That(drag.LogicalParaPosition, Is.EqualTo(1));
// mouse move, to a different position
root.OnMouseMove(mouseArgs, Keys.None, m_gm.VwGraphics, ptrans);
sel = root.Selection;
Assert.That(sel, Is.TypeOf(typeof(RangeSelection)));
anchor = ((RangeSelection)root.Selection).Anchor;
drag = ((RangeSelection)root.Selection).DragEnd;
Assert.That(anchor.LogicalParaPosition, Is.EqualTo(4));
Assert.That(drag.LogicalParaPosition, Is.EqualTo(0));
// mouse move to the same position: no new selection.
root.OnMouseMove(mouseArgs, Keys.None, m_gm.VwGraphics, ptrans); // no actual movement
Assert.That(root.Selection, Is.EqualTo(sel));
Assert.That(((RangeSelection)root.Selection).DragEnd, Is.EqualTo(drag));
// mouse move to an IP at the anchor should return us to an IP
root.OnMouseMove(mouseArgs2b, Keys.None, m_gm.VwGraphics, ptrans);
Assert.That(root.Selection, Is.TypeOf(typeof(InsertionPoint)));
Assert.That(((InsertionPoint)root.Selection).LogicalParaPosition, Is.EqualTo(4));
Assert.That(((InsertionPoint)root.Selection).AssociatePrevious, Is.False);
// mouse down on next line makes a selection there. Confirm proper passing of srcRect for vertical offset
var mouseArgs4 = new MouseEventArgs(MouseButtons.Left, 1, 2 + 4, 2 + 16, 0);
root.OnMouseDown(mouseArgs4, Keys.None, m_gm.VwGraphics, ptrans);
var paraBox = (ParaBox) root.FirstBox;
var seg2 = ((StringBox) paraBox.FirstBox.Next).Segment as FakeSegment;
Assert.That(seg2, Is.Not.Null);
Assert.That(seg2.LastPointToCharArgs, Is.Not.Null);
var topOfseg2 = paraBox.FirstBox.Height;
Assert.That(seg2.LastPointToCharArgs.RcSrc, Is.EqualTo(new Rect(-2, -2 - topOfseg2, 94, 94-topOfseg2)));
}