| 1 | TRichTextView component
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| 2 | for SpeedSoft Sibyl
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| 3 |
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| 4 | Written by Aaron Lawrence (aaronl@consultant.com)
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| 5 |
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| 6 | Summary
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| 7 | -------
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| 8 |
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| 9 | This Sibyl component displays 'rich' text, with various fonts, colors,
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| 10 | styles and alignment.
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| 11 |
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| 12 | The major features are:
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| 13 | Fast, accurate drawing of text
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| 14 | Full smooth scrolling
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| 15 | Selection and copy
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| 16 | Built-in default popup menu
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| 17 |
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| 18 |
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| 19 | Installation
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| 20 | ------------
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| 21 |
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| 22 | Load RichTextView.pas into Sibyl, and compile it with Project - Compile.
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| 23 |
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| 24 | Use Component - Install Component to install.
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| 25 |
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| 26 | Using the component
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| 27 | -------------------
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| 28 |
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| 29 | Put a component on your form. Adjust the properties as you see fit.
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| 30 | If you don't want the default menu, then set UseDefaultMenu to false
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| 31 | (all the actions in the default menu can be implemented externally).
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| 32 | At runtime, load the text into the control using AddText, AddParagraph,
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| 33 | and Clear.
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| 34 |
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| 35 | Formatting syntax
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| 36 |
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| 37 | This is a HTML-like set of tags. But note that tag pairs don't have to
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| 38 | match up.
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| 39 |
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| 40 | <b> </b> bold on, off
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| 41 | <u> </u> underline on, off
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| 42 | <i> </i> italic on, off
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| 43 | <h1> <h2> <h3> heading 1-3, set with Heading1Font etc
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| 44 | </h> normal text
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| 45 | <tt> </tt> fixed font
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| 46 | <red> etc colors
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| 47 | <left> left alignment (word wrap)
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| 48 | <unaligned> no right margin
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| 49 | <center> centered
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| 50 | <right> right alignment
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| 51 | <justify> full justification (not implemented)
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| 52 | <defaultalign> default alignment
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| 53 | <margin x> set left margin to x pixels
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| 54 | <link linktext> </link>
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| 55 | start, end link.
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| 56 | The OnClickLink and OnOverLink events are called with linktext
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| 57 | <image x> Display image x from associated TImageList
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| 58 |
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| 59 |
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| 60 | Example
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| 61 |
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| 62 | RichText.AddParagraph( '<h1>This is a big heading</h>' );
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| 63 | RichText.AddParagraph( 'Here is some <b>bold</b> text' );
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| 64 |
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| 65 |
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| 66 | Problems/limitations
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| 67 | --------------------
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| 68 |
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| 69 | Yes, there probably are some.
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