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I started adding things to a Draw namespace, but it somehow felt really
wrong seeing Draw::Rect and Draw::Bitmap, etc. So instead, let's rename
the library to LibGfx. :^)
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This took me a moment. Welcome to the new world of GUI::Widget! :^)
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This deduplicates existing code, and also gives all the model-backed widgets
selection manipulation and drag support for free :^)
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It's now an abstract (pure virtual) public method in GAbstractView that
individual widgets have to implement. This will allow us to move more
selection-related logic into GAbstractView in order to share it between
implementations.
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This replaces GItemView::item_at_event_position(), which used to return a raw
int, requiring callers to call model()->index() with it again.
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As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.
For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.
Going forward, all new source files should include a license header.
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Previously if more than one item was selected clicking on one of
them and dragging would de-select everything that is not the one that
was clicked on. Now, if more than one items are selected and there
is a mousedown it goes into a "mightdrag" state.
The user can then perform a drag, if they don't everything that is not
the item being clicked gets unselected in the mouseup event, mimicking
the previous behavior.
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Previously we would consider anything in the large padded area around
each item to also be part of the item for mouse event purposes.
This didn't feel right when rubberbanding, so this patch factors out
the per-item rect computation into a get_item_rects() helper which can
then be used by the various functions that need it.
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This patch enables basic drag&drop between applications.
You initiate a drag by creating a GDragOperation object and calling
exec() on it. This creates a nested event loop in the calling program
that only returns once the drag operation has ended.
On the receiving side, you get a call to GWidget::drop_event() with
a GDropEvent containing information about the dropped data.
The only data passed right now is a piece of text that's also used
to visually indicate that a drag is happening (by showing the text in
a little box that follows the mouse cursor around.)
There are things to fix here, but we're off to a nice start. :^)
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Also, use the model_column() internally for selection as well as for
painting to keep things consistent.
Note that we always fire the on_context_menu_request hook, even if you
didn't click on an item. In those cases, you get a GModelIndex().
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This macro goes at the top of every CObject-derived class like so:
class SomeClass : public CObject {
C_OBJECT(SomeClass)
public:
...
At the moment, all it does is create an override for the class_name() getter
but in the future this will be used to automatically insert member functions
into these classes.
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Things were getting a little crowded in the project root, so this patch
moves the Lib*/ directories into Libraries/.
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