envi.memcanvas.MemoryCanvas

Class MemoryCanvas

A memory canvas is a place where the textual representation of memory will be displayed. The methods implemented here show how a memory canvas which simply prints would be implemented.

Instance Methods

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__init__(self, mem, syms=None)

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_beginRenderAppend(self)

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_beginRenderMemory(self, va, size, rend)

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_beginRenderPrepend(self)

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_beginRenderVa(self, va)

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_beginUpdateVas(self, valist)

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_endRenderAppend(self)

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_endRenderMemory(self, va, size, rend)

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_endRenderPrepend(self)

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_endRenderVa(self, va)

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_endUpdateVas(self)

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_isRendered(self, va, maxva)
Returns true if any part of the current render overlaps with the specified region.

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addNameText(self, text, name=None, typename=None)

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addRenderer(self, name, rend)

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addText(self, text, tag=None)
Add text to the canvas with a specified tag.

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addVaText(self, text, va)

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clearCanvas(self)

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getNameTag(self, name, typename=None)
Retrieve a "tag" object for a name.

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getRenderer(self, name)

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getRendererNames(self)

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getTag(self, typename)
Retrieve a non-named tag (doesn't highlight or do anything particularly special, but allows color by typename).

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getVaTag(self, va)
Retrieve a tag object suitable for showing that the text added with this tag should link through to the specified virtual address in the memory canvas.

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render(self, va, size, rend=None)

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renderMemory(self, va, size, rend=None)

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renderMemoryAppend(self, size)

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renderMemoryPrepend(self, size)

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renderMemoryUpdate(self, va, size)

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setNavCallback(self, callback)
Set a navigation "callback" that will be called with a memory expression as it's first argument anytime the canvas recieves user input which desires nav...

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setRenderer(self, name)

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setScrolledCanvas(self, scroll)

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write(self, msg)

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addText(self, text, tag=None)

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Add text to the canvas with a specified tag.

NOTE: Implementors should probably check _canv_scrolled to decide if they should scroll to the end of the view...

getNameTag(self, name, typename=None)

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Retrieve a "tag" object for a name. "Name" tags will (if possible) be highlighted in the rendered interface