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UI: Add AbstractViewItem base class

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No user visible changes expected.

Similar to rBc355be6faeac, but for view items now instead of the view.
Not much of the item code is ported to use it yet, it's actually a bit
tricky for the most part. But just introducing the base class already
allows me to start unifying the view item buttons (`uiButTreeRow` and
`uiButGridTile`). This would be a nice improvement.
This commit is contained in:
Julian Eisel
2022-07-18 16:51:57 +02:00
parent 2f834bfc14
commit 348ec37f52
7 changed files with 60 additions and 27 deletions
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11
source/blender/editors/include/UI_tree_view.hh
View File

@@ -153,7 +153,7 @@ class AbstractTreeView : public AbstractView, public TreeViewItemContainer {
* It also stores state information that needs to be persistent over redraws, like the collapsed
* state.
*/
class AbstractTreeViewItem : public TreeViewItemContainer {
class AbstractTreeViewItem : public AbstractViewItem, public TreeViewItemContainer {
friend class AbstractTreeView;
friend class TreeViewLayoutBuilder;
/* Higher-level API. */
@@ -161,7 +161,6 @@ class AbstractTreeViewItem : public TreeViewItemContainer {
private:
bool is_open_ = false;
bool is_active_ = false;
bool is_renaming_ = false;
protected:
@@ -222,12 +221,8 @@ class AbstractTreeViewItem : public TreeViewItemContainer {
*/
virtual bool supports_collapsing() const;
/**
* Copy persistent state (e.g. is-collapsed flag, selection, etc.) from a matching item of
* the last redraw to this item. If sub-classes introduce more advanced state they should
* override this and make it update their state accordingly.
*/
virtual void update_from_old(const AbstractTreeViewItem &old);
/** See #AbstractViewItem::update_from_old(). */
virtual void update_from_old(const AbstractViewItem &old) override;
/**
* Compare this item to \a other to check if they represent the same data.