[Pythoncard-users] Updated EXPERIMENTAL resource Editor v0.2

[Alex T. <al...@tw...>]

Summary: a couple of bug fixes, plus selection by rectangular "region" 
of the window, and re-layering of multiple components.

This can be found at
www.tweedly.net/Python/newresourceEditorv0.2.zip

See changes.txt for the changes (enclosed here for convenience)

btw - Next time, I will spell-check the changes.txt file BEFORE 
releasing it :-)

-- Alex.


bug fixes:

Note that when in multiple-component mode, the component box in the
property window is for display only - you cannot click in that box to
(de)select components. "0.2" - fixed; in 0.1, it did allow clicking in
this box, with varied and interesting results. A related fix involving
selecting first component from this componentList in the
propertyEditor, and additional components by Ctl-clicking also fixed.

 Never save sizing handles to resource file. 

In 0.1, if you selected multiple components, and then saved the
resource file, the sizing handles were saved to the file along with
the user's components. Oops.  Fixed now.



Multiple component selection using rectangular "marquee"

You can select multiple components by enclosing them within a
rectangular "marquee". The basic form involves pressing the mouse
button down NOT within any component, and while holding the button
down, dragging the mouse out to surround some components. These
components will become a new multiple-component selection, replacing
any previous selection.

You can modify this by using modifier keys while doing the rectangle 
selection.

1. No modifier - define a new selection

2. shift-rectangle : add enclosed components to existing selection
   (any enclosed components already selected remain selected)

3. ctl-rectangle : toggle the status of enclosed components (i.e. if
   already selected, remove it, if not already selected, add it)

4. shift-ctl-rectangle : subtract from existing selection


As well as the 4 buttons corresponding to the existing commands, there
are two additional ones which only take effect when there are multiple
components selected.  First, a description of what it means to
re-layer multiple components.

All the selected components are put, in the order they were selected,
together in the final order list. The base component (first one
selected) is then moved back or forward according to the given
command, with all other selected components following it.

In some cases, you will want to collect the selected components
together in the component ordering, but without changing the base
component's place in the order. The first new button "gather together"
does this.

The second new button takes a set of components and re-layers them
according to their position, in approximate "reading" order; top-left
to bottom right, in rows. Just like "Gather together", this re-ordered
set of components finish up adjacent in the layer ordering, following
the place in order of the base component.

Beware that the reading order works well if the components are
non-overlapping, but can be hard to predict when there are multiple
overlapping components selected (e.g. if you were to edit the resource
editor's own resource file, where the "single-mode" and
"multiple-mode" controls occupy the same area, and simply select all
of them, you will get a different result from what you expect or
want. This is a result of the comparison function used to sort into
"reading order" - if one component is entirely below another, the
order is clear; otherwise they are assumed to be on the same row, and
sorted according to X coord.

NB There is a definite lack of visual feedback from these
commands. I'm trying to find a good way to give this feedback - any
suggestions gratefully received.



-- 
Alex Tweedly       http://www.tweedly.net



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