mirror of
https://gitlab.com/sheaf/metabrush.git
synced 2024-11-05 06:43:37 +00:00
WIP on brush repo (does not compile)
This commit is contained in:
sheaf
parent
b5b29f124a
commit
e176676e45
|
|
@ -241,6 +241,7 @@ executable MetaBrush
|
|||
, MetaBrush.Render.Document
|
||||
, MetaBrush.Render.Rulers
|
||||
, MetaBrush.Time
|
||||
, MetaBrush.UI.BrushList
|
||||
, MetaBrush.UI.Coordinates
|
||||
, MetaBrush.UI.FileBar
|
||||
, MetaBrush.UI.InfoBar
|
||||
|
|
|
|||
|
|
@ -53,7 +53,7 @@ import qualified Data.GI.Base.Overloading as GI
|
|||
|
||||
-- lens
|
||||
import Control.Lens
|
||||
( over )
|
||||
( ix, over )
|
||||
|
||||
-- stm
|
||||
import qualified Control.Concurrent.STM.TVar as STM
|
||||
|
|
@ -102,6 +102,17 @@ instance GI.DerivedGObject LayerItem where
|
|||
objectInstanceInit _ _ = return Nothing
|
||||
objectInterfaces = [ ]
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Drag and drop data --
|
||||
------------------------
|
||||
|
||||
-- | Data passed in a drag-and-drop operation associated with the drag source.
|
||||
data DragSourceData
|
||||
= DragBrush { draggedBrushName :: !Text }
|
||||
| DragLayerItem { draggedLayerItem :: !ChildLayer }
|
||||
deriving stock ( Show, Eq )
|
||||
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- GTK TreeListModel --
|
||||
-----------------------
|
||||
|
|
@ -480,10 +491,11 @@ newLayerView uiElts@( UIElements { panelsBar = PanelsBar { layersScrolledWindow
|
|||
GTK.singleSelectionSetSelected selModel rowPos
|
||||
|
||||
let dnd_sourceItem =
|
||||
WithinParent
|
||||
{ parent = fmap snd srcPar
|
||||
, item = srcUniq
|
||||
}
|
||||
DragLayerItem $
|
||||
WithinParent
|
||||
{ parent = fmap snd srcPar
|
||||
, item = srcUniq
|
||||
}
|
||||
|
||||
val <- GDK.contentProviderNewForValue =<< GIO.toGValue ( GI.HValue dnd_sourceItem )
|
||||
GTK.widgetAddCssClass layersScrolledWindow "dragging-item"
|
||||
|
|
@ -532,147 +544,162 @@ newLayerView uiElts@( UIElements { panelsBar = PanelsBar { layersScrolledWindow
|
|||
-- LayerID {} -> return True
|
||||
void $ GTK.onDropTargetDrop dropTarget $ \ val _x y -> do
|
||||
dropTargetCleanup
|
||||
dropTgtUniq <- layerUnique <$> getLayerData listItem
|
||||
dropTgt <- getLayerData listItem
|
||||
|
||||
GI.HValue dragSrc@( WithinParent { item = dragSrcUniq }) <-
|
||||
GIO.fromGValue @( GI.HValue ChildLayer ) val
|
||||
GI.HValue dnd_data <- GIO.fromGValue @( GI.HValue DragSourceData ) val
|
||||
|
||||
mbTreeListRow <- traverse ( GTK.unsafeCastTo GTK.TreeListRow ) =<< GTK.listItemGetItem listItem
|
||||
treeListRow <- case mbTreeListRow of
|
||||
Nothing -> error "newLayerView ListItem onSetup: no TreeListRow"
|
||||
Just r -> return r
|
||||
|
||||
dstFlatIndex <- GTK.treeListRowGetPosition treeListRow
|
||||
h <- GTK.widgetGetHeight expander
|
||||
let droppedAbove = y < 0.5 * fromIntegral h
|
||||
expanded <- GTK.treeListRowGetExpanded treeListRow
|
||||
|
||||
dstPar <- getParent treeListRow
|
||||
isDescendant <- isDescendantOf dragSrcUniq listItem
|
||||
|
||||
let mbDropIntoGroup
|
||||
| expanded
|
||||
, not droppedAbove
|
||||
, not isDescendant
|
||||
= Just treeListRow
|
||||
| otherwise
|
||||
= Nothing
|
||||
mbDropOutsideGroup
|
||||
| dragSrcUniq == dropTgtUniq
|
||||
, Parent par <- dstPar
|
||||
, not droppedAbove
|
||||
= Just par
|
||||
| otherwise
|
||||
= Nothing
|
||||
|
||||
if isDescendant && isNothing mbDropOutsideGroup
|
||||
then do
|
||||
return False
|
||||
else do
|
||||
-- Compute the destination parent.
|
||||
-- Usually, the destination parent is the parent of the drop target.
|
||||
-- BUT:
|
||||
-- 1. when dropping an item into the first position of an
|
||||
-- expanded group, the destination parent is the drop target itself,
|
||||
-- not the parent of the drop target.
|
||||
-- 2. when an item is at the bottom of a group, dropping it on its
|
||||
-- lower half moves the item out of the group, so the
|
||||
-- destination parent is the grand-parent of the drop target.
|
||||
( dropDst, newPosInTree ) <-
|
||||
if
|
||||
-- (1)
|
||||
| Just dstParRow <- mbDropIntoGroup
|
||||
-> do
|
||||
dstParFlatIndex <- GTK.treeListRowGetPosition dstParRow
|
||||
return $
|
||||
( MoveToTopOfGroup dropTgtUniq
|
||||
, dstParFlatIndex + 1
|
||||
)
|
||||
-- (2)
|
||||
| Just ( dstParRow, dstParUniq ) <- mbDropOutsideGroup
|
||||
-> do
|
||||
grandPar <- getParent dstParRow
|
||||
return $
|
||||
( MoveItemOutsideGroupIfLastItemInGroup
|
||||
{ itemUnique = dropTgtUniq
|
||||
, parentUnique = dstParUniq
|
||||
, grandParentUnique = fmap snd grandPar
|
||||
, itemExpanded = expanded
|
||||
}
|
||||
, dstFlatIndex + 1
|
||||
)
|
||||
| otherwise
|
||||
-> do
|
||||
return $
|
||||
( MoveAboveOrBelow
|
||||
{ moveDstItem =
|
||||
WithinParent
|
||||
{ parent = fmap snd dstPar
|
||||
, item = dropTgtUniq
|
||||
}
|
||||
, moveAbove = droppedAbove
|
||||
case dnd_data of
|
||||
DragBrush brushName -> do
|
||||
case dropTgt of
|
||||
GroupLayer {} ->
|
||||
return False
|
||||
StrokeLayer tgtStrokeUnique -> do
|
||||
updateLayerHierarchy vars $
|
||||
DoLayerChange $
|
||||
SetBrush
|
||||
{ setBrushStroke = WithinParent ( fmap snd dstPar ) tgtStrokeUnique
|
||||
, setBrushName = brushName
|
||||
}
|
||||
, if droppedAbove then dstFlatIndex else dstFlatIndex + 1
|
||||
)
|
||||
return True
|
||||
|
||||
-- Compute the position that the item we are moving will have
|
||||
-- at the end of the move.
|
||||
--
|
||||
-- First, we compute whether we moved up or down.
|
||||
-- NB: we need to compute the source item position now (using 'treeListRowGetPosition'),
|
||||
-- at the end of the drag-and-drop operation, because TreeExpander nodes
|
||||
-- might have expanded/collapsed in the meantime.
|
||||
mbSelModel <- GTK.listViewGetModel listView
|
||||
case mbSelModel of
|
||||
Nothing -> return False
|
||||
Just selModel0 -> do
|
||||
selModel <- GTK.unsafeCastTo GTK.SingleSelection selModel0
|
||||
layersListModel
|
||||
<- GTK.unsafeCastTo GTK.TreeListModel =<< fmap fromJust ( GTK.singleSelectionGetModel selModel )
|
||||
DragLayerItem dragSrc@( WithinParent { item = dragSrcUniq }) -> do
|
||||
let dropTgtUniq = layerUnique dropTgt
|
||||
dstFlatIndex <- GTK.treeListRowGetPosition treeListRow
|
||||
h <- GTK.widgetGetHeight expander
|
||||
let droppedAbove = y < 0.5 * fromIntegral h
|
||||
expanded <- GTK.treeListRowGetExpanded treeListRow
|
||||
|
||||
mbSelItem <- GTK.singleSelectionGetSelectedItem selModel
|
||||
mbSelIx <- for mbSelItem $ \ selItem -> do
|
||||
selRow <- GTK.unsafeCastTo GTK.TreeListRow selItem
|
||||
GTK.treeListRowGetPosition selRow
|
||||
isDescendant <- isDescendantOf dragSrcUniq listItem
|
||||
|
||||
-- Now compute the final destination position.
|
||||
mbDstPosAfterShift <-
|
||||
case mbSelIx of
|
||||
Nothing ->
|
||||
return Nothing
|
||||
Just selIx
|
||||
-- If we moved up, simply use the destination position.
|
||||
| selIx >= newPosInTree
|
||||
-> return $ Just newPosInTree
|
||||
| otherwise
|
||||
-> do
|
||||
-- If we moved down, we need to substract the number of items
|
||||
-- moved. Note that this depends on which TreeExpander nodes
|
||||
-- are expanded.
|
||||
mbSelRow <- GTK.treeListModelGetRow layersListModel selIx
|
||||
case mbSelRow of
|
||||
Nothing -> return Nothing
|
||||
Just selRow0 -> do
|
||||
selRow <- GTK.unsafeCastTo GTK.TreeListRow selRow0
|
||||
nbDescendants <- getNbExpandedDescendants layersListModel selRow
|
||||
return $
|
||||
if newPosInTree < nbDescendants
|
||||
then Nothing
|
||||
else Just $ newPosInTree - nbDescendants
|
||||
let mbDropIntoGroup
|
||||
| expanded
|
||||
, not droppedAbove
|
||||
, not isDescendant
|
||||
= Just treeListRow
|
||||
| otherwise
|
||||
= Nothing
|
||||
mbDropOutsideGroup
|
||||
| dragSrcUniq == dropTgtUniq
|
||||
, Parent par <- dstPar
|
||||
, not droppedAbove
|
||||
= Just par
|
||||
| otherwise
|
||||
= Nothing
|
||||
|
||||
updateLayerHierarchy vars $
|
||||
DoLayerChange $
|
||||
Move
|
||||
{ moveSrc = dragSrc
|
||||
, moveDst = dropDst
|
||||
}
|
||||
if isDescendant && isNothing mbDropOutsideGroup
|
||||
then do
|
||||
return False
|
||||
else do
|
||||
-- Compute the destination parent.
|
||||
-- Usually, the destination parent is the parent of the drop target.
|
||||
-- BUT:
|
||||
-- 1. when dropping an item into the first position of an
|
||||
-- expanded group, the destination parent is the drop target itself,
|
||||
-- not the parent of the drop target.
|
||||
-- 2. when an item is at the bottom of a group, dropping it on its
|
||||
-- lower half moves the item out of the group, so the
|
||||
-- destination parent is the grand-parent of the drop target.
|
||||
( dropDst, newPosInTree ) <-
|
||||
if
|
||||
-- (1)
|
||||
| Just dstParRow <- mbDropIntoGroup
|
||||
-> do
|
||||
dstParFlatIndex <- GTK.treeListRowGetPosition dstParRow
|
||||
return $
|
||||
( MoveToTopOfGroup dropTgtUniq
|
||||
, dstParFlatIndex + 1
|
||||
)
|
||||
-- (2)
|
||||
| Just ( dstParRow, dstParUniq ) <- mbDropOutsideGroup
|
||||
-> do
|
||||
grandPar <- getParent dstParRow
|
||||
return $
|
||||
( MoveItemOutsideGroupIfLastItemInGroup
|
||||
{ itemUnique = dropTgtUniq
|
||||
, parentUnique = dstParUniq
|
||||
, grandParentUnique = fmap snd grandPar
|
||||
, itemExpanded = expanded
|
||||
}
|
||||
, dstFlatIndex + 1
|
||||
)
|
||||
| otherwise
|
||||
-> do
|
||||
return $
|
||||
( MoveAboveOrBelow
|
||||
{ moveDstItem =
|
||||
WithinParent
|
||||
{ parent = fmap snd dstPar
|
||||
, item = dropTgtUniq
|
||||
}
|
||||
, moveAbove = droppedAbove
|
||||
}
|
||||
, if droppedAbove then dstFlatIndex else dstFlatIndex + 1
|
||||
)
|
||||
|
||||
-- After moving, update the selected item to be the moved item.
|
||||
case mbDstPosAfterShift of
|
||||
Nothing -> return ()
|
||||
Just dstPos ->
|
||||
GTK.singleSelectionSetSelected selModel dstPos
|
||||
return True
|
||||
-- Compute the position that the item we are moving will have
|
||||
-- at the end of the move.
|
||||
--
|
||||
-- First, we compute whether we moved up or down.
|
||||
-- NB: we need to compute the source item position now (using 'treeListRowGetPosition'),
|
||||
-- at the end of the drag-and-drop operation, because TreeExpander nodes
|
||||
-- might have expanded/collapsed in the meantime.
|
||||
mbSelModel <- GTK.listViewGetModel listView
|
||||
case mbSelModel of
|
||||
Nothing -> return False
|
||||
Just selModel0 -> do
|
||||
selModel <- GTK.unsafeCastTo GTK.SingleSelection selModel0
|
||||
layersListModel
|
||||
<- GTK.unsafeCastTo GTK.TreeListModel =<< fmap fromJust ( GTK.singleSelectionGetModel selModel )
|
||||
|
||||
mbSelItem <- GTK.singleSelectionGetSelectedItem selModel
|
||||
mbSelIx <- for mbSelItem $ \ selItem -> do
|
||||
selRow <- GTK.unsafeCastTo GTK.TreeListRow selItem
|
||||
GTK.treeListRowGetPosition selRow
|
||||
|
||||
-- Now compute the final destination position.
|
||||
mbDstPosAfterShift <-
|
||||
case mbSelIx of
|
||||
Nothing ->
|
||||
return Nothing
|
||||
Just selIx
|
||||
-- If we moved up, simply use the destination position.
|
||||
| selIx >= newPosInTree
|
||||
-> return $ Just newPosInTree
|
||||
| otherwise
|
||||
-> do
|
||||
-- If we moved down, we need to substract the number of items
|
||||
-- moved. Note that this depends on which TreeExpander nodes
|
||||
-- are expanded.
|
||||
mbSelRow <- GTK.treeListModelGetRow layersListModel selIx
|
||||
case mbSelRow of
|
||||
Nothing -> return Nothing
|
||||
Just selRow0 -> do
|
||||
selRow <- GTK.unsafeCastTo GTK.TreeListRow selRow0
|
||||
nbDescendants <- getNbExpandedDescendants layersListModel selRow
|
||||
return $
|
||||
if newPosInTree < nbDescendants
|
||||
then Nothing
|
||||
else Just $ newPosInTree - nbDescendants
|
||||
|
||||
updateLayerHierarchy vars $
|
||||
DoLayerChange $
|
||||
Move
|
||||
{ moveSrc = dragSrc
|
||||
, moveDst = dropDst
|
||||
}
|
||||
|
||||
-- After moving, update the selected item to be the moved item.
|
||||
case mbDstPosAfterShift of
|
||||
Nothing -> return ()
|
||||
Just dstPos ->
|
||||
GTK.singleSelectionSetSelected selModel dstPos
|
||||
return True
|
||||
|
||||
void $ GTK.onDropTargetEnter dropTarget $ \ _x y -> do
|
||||
GTK.widgetAddCssClass expander "drag-over"
|
||||
|
|
@ -880,6 +907,10 @@ data LayerChange
|
|||
| Delete
|
||||
{ deleteItem :: !ChildLayer
|
||||
}
|
||||
| SetBrush
|
||||
{ setBrushStroke :: !ChildLayer
|
||||
, setBrushName :: !Text
|
||||
}
|
||||
|
||||
-- | Destination of a move operation.
|
||||
data MoveDst
|
||||
|
|
@ -1092,6 +1123,25 @@ applyChangeToLayerHierarchy change hierarchy =
|
|||
, delIsGroup = isJust mbHadChildren
|
||||
}
|
||||
)
|
||||
SetBrush { setBrushStroke = WithinParent parUniq strokeUnique, setBrushName } ->
|
||||
let
|
||||
( hierarchy', strokeIx ) =
|
||||
over ( field' @"documentContent"
|
||||
. field' @"strokeHierarchy"
|
||||
. field' @"content"
|
||||
)
|
||||
( setStrokeBrush brushName )
|
||||
doc
|
||||
|
||||
in
|
||||
( hierarchy'
|
||||
, Map.empty
|
||||
, Just $
|
||||
StrokeSetBrush
|
||||
{ changedBrushStroke = WithinParent parUniq strokeIx
|
||||
, newBrushName = setBrushName
|
||||
}
|
||||
)
|
||||
|
||||
-- | Apply a change to the 'ListModel' underlying the UI
|
||||
-- representation of the layer hierarchy.
|
||||
|
|
@ -1148,6 +1198,9 @@ applyDiffToListModel parStoreTVar docUnique ( doOrUndo, diff ) = do
|
|||
DeletePoints { deletedStrokes } ->
|
||||
unless ( null deletedStrokes ) $
|
||||
putStrLn "TODO: delete strokes"
|
||||
StrokeSetBrush { changedBrushStroke = WithinParent changedPar changedIx } -> do
|
||||
let changedStrokeStore = parStoreFromUniq ! changedPar
|
||||
GIO.listModelItemsChanged changedStrokeStore changedIx 0 0
|
||||
|
||||
-- | Update the 'StrokeHierarchy' after a drag-and-drop operation,
|
||||
-- moving one layer or group around.
|
||||
|
|
|
|||
|
|
@ -13,6 +13,10 @@ import Data.Set
|
|||
import Control.DeepSeq
|
||||
( NFData(..) )
|
||||
|
||||
-- text
|
||||
import Data.Text
|
||||
( Text )
|
||||
|
||||
-- brush-strokes
|
||||
import Math.Bezier.Spline
|
||||
import Math.Linear
|
||||
|
|
@ -73,6 +77,10 @@ data HierarchyDiff
|
|||
, srcPos :: !ChildLayerPosition
|
||||
, dstPos :: !ChildLayerPosition
|
||||
}
|
||||
| StrokeSetBrush
|
||||
{ changedBrushStroke :: !ChildLayerPosition
|
||||
, newBrushName :: !Text
|
||||
}
|
||||
deriving stock ( Show, Generic )
|
||||
deriving anyclass NFData
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue