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proper display of tabs and add option to show invisible characters

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This commit is contained in:
Fabian Jakobs 2010-04-22 18:38:04 +02:00
commit 61f0cb63d9
5 changed files with 164 additions and 14 deletions
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test/VirtualRendererTest.js Normal file
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var VirtualRendererTest = new TestCase("VirtualRendererTest", {
"test: convert document to screen coordinates" : function() {
var el = document.createElement("div");
var renderer = new ace.VirtualRenderer(el);
var doc = new ace.Document("01234\t567890\t1234");
doc.setTabSize(4);
renderer.setDocument(doc);
assertEquals(0, renderer.$documentToScreenColumn(0, 0));
assertEquals(4, renderer.$documentToScreenColumn(0, 4));
assertEquals(5, renderer.$documentToScreenColumn(0, 5));
assertEquals(9, renderer.$documentToScreenColumn(0, 6));
assertEquals(15, renderer.$documentToScreenColumn(0, 12));
assertEquals(19, renderer.$documentToScreenColumn(0, 13));
doc.setTabSize(2);
assertEquals(0, renderer.$documentToScreenColumn(0, 0));
assertEquals(4, renderer.$documentToScreenColumn(0, 4));
assertEquals(5, renderer.$documentToScreenColumn(0, 5));
assertEquals(7, renderer.$documentToScreenColumn(0, 6));
assertEquals(13, renderer.$documentToScreenColumn(0, 12));
assertEquals(15, renderer.$documentToScreenColumn(0, 13));
},
"test: convert screen to document coordinates" : function() {
var el = document.createElement("div");
var renderer = new ace.VirtualRenderer(el);
var doc = new ace.Document("01234\t567890\t1234");
doc.setTabSize(4);
renderer.setDocument(doc);
assertEquals(0, renderer.$screenToDocumentColumn(0, 0));
assertEquals(4, renderer.$screenToDocumentColumn(0, 4));
assertEquals(5, renderer.$screenToDocumentColumn(0, 5));
assertEquals(5, renderer.$screenToDocumentColumn(0, 6));
assertEquals(5, renderer.$screenToDocumentColumn(0, 7));
assertEquals(5, renderer.$screenToDocumentColumn(0, 8));
assertEquals(6, renderer.$screenToDocumentColumn(0, 9));
assertEquals(12, renderer.$screenToDocumentColumn(0, 15));
assertEquals(13, renderer.$screenToDocumentColumn(0, 19));
}
// change tab size after setDocument (for text layer)
});