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allow selection in brush mode
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sheaf
parent
53243621b5
commit
0223c92a85
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@ -954,10 +954,38 @@ instance HandleAction MouseClick where
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SingleClick -> do
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modifiers <- STM.readTVar modifiersTVar
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tool <- STM.readTVar toolTVar
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case mode of
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PathMode ->
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case tool of
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Selection ->
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case tool of
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Selection -> do
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-- First, check if we can initiate a brush parameter
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-- modification action through a brush widget.
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mbBrushWidgetActionUpdDoc <-
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case mode of
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MetaMode -> return Nothing
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PathMode -> return Nothing
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BrushMode -> do
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-- Brush mode: modify brush parameters through brush widget.
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mbAction <- STM.readTVar mouseHoldTVar
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let mbPrevWidgetAction = case mbAction of
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Just ( BrushWidgetAction { brushWidgetAction } )
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-> Just brushWidgetAction
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_ -> Nothing
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case applyBrushWidgetAction ( pressingControl modifiers ) pos mbPrevWidgetAction doc of
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Just ( newDocument, actionState@( BrushWidgetActionState { brushWidgetAction = act } ) ) -> do
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STM.writeTVar mouseHoldTVar ( Just $ BrushWidgetAction pos actionState )
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let diff = HistoryDiff $ ContentDiff
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$ UpdateBrushParameters
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{ updateBrushStroke = brushWidgetStrokeUnique actionState
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, updateBrushPoint = brushWidgetPointIndex actionState
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, updateBrushAction = act
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}
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return ( Just $ UpdateDoc $ UpdateDocumentTo newDocument diff )
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Nothing ->
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return Nothing
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-- If we are doing a brush widget action, don't attempt anything else.
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-- Otherwise, move on to selection.
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case mbBrushWidgetActionUpdDoc of
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Just updDoc -> return updDoc
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Nothing ->
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-- Selection mode mouse hold:
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--
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-- - If holding shift or alt, mouse hold initiates a rectangular selection.
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@ -967,7 +995,8 @@ instance HandleAction MouseClick where
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case selectionMode modifiers of
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-- Drag move: not holding shift or alt, click has selected something.
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New
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| Just dragMove <- dragMoveSelect pos doc
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| PathMode <- mode -- Only allow dragging points in PathMode
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, Just dragMove <- dragMoveSelect pos doc
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-> do
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STM.writeTVar mouseHoldTVar ( Just $ DragMoveHold pos dragMove )
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case dragMove of
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@ -988,72 +1017,51 @@ instance HandleAction MouseClick where
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_ -> do
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STM.writeTVar mouseHoldTVar ( Just $ SelectionHold pos )
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pure Don'tModifyDoc
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Pen -> do
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-- Pen tool in path mode: start or continue a drawing operation.
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mbPartialPath <- STM.readTVar partialPathTVar
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mbSelBrush <- STM.readTVar selectedBrushTVar
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STM.writeTVar mouseHoldTVar ( Just $ DrawHold pos )
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case mbPartialPath of
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-- No path started yet: find anchor for drawing (existing stroke endpoint, or new stroke).
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Nothing -> do
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( newDocument, drawAnchor ) <-
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getOrCreateDrawAnchor uniqueSupply mbSelBrush pos doc
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let firstPos = anchorPos drawAnchor newDocument
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STM.writeTVar partialPathTVar
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( Just $ PartialPath
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{ partialPathAnchor = drawAnchor
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, partialControlPoint = Nothing
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, firstPoint = Just firstPos
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}
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)
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if anchorIsNew drawAnchor
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then do
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let
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diff :: Diff
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diff = HistoryDiff $ HierarchyDiff
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$ NewLayer
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{ newUnique = anchorStroke drawAnchor
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, newPosition = WithinParent Root 0
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-- TODO: add the stroke above the selected layer
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-- or something of the sort.
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, newIsGroup = False
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}
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pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
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else
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pure Don'tModifyDoc
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-- Path already started: indicate that we are continuing a path.
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Just pp@( PartialPath { firstPoint = mbFirst } ) -> do
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let stillAtFirstPoint = case mbFirst of
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Nothing -> Nothing
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Just p ->
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if inPointClickRange zoom p pos
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then Just p
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else Nothing
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STM.writeTVar partialPathTVar
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( Just $ pp { firstPoint = stillAtFirstPoint } )
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pure Don'tModifyDoc
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BrushMode -> do
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-- Brush mode: modify brush parameters through brush widget.
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mbAction <- STM.readTVar mouseHoldTVar
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let mbPrevWidgetAction = case mbAction of
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Just ( BrushWidgetAction { brushWidgetAction } )
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-> Just brushWidgetAction
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_ -> Nothing
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case applyBrushWidgetAction ( pressingControl modifiers ) pos mbPrevWidgetAction doc of
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Just ( newDocument, actionState@( BrushWidgetActionState { brushWidgetAction = act } ) ) -> do
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STM.writeTVar mouseHoldTVar ( Just $ BrushWidgetAction pos actionState )
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let diff = HistoryDiff $ ContentDiff
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$ UpdateBrushParameters
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{ updateBrushStroke = brushWidgetStrokeUnique actionState
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, updateBrushPoint = brushWidgetPointIndex actionState
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, updateBrushAction = act
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Pen -> do
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-- Pen tool in path mode: start or continue a drawing operation.
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mbPartialPath <- STM.readTVar partialPathTVar
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mbSelBrush <- STM.readTVar selectedBrushTVar
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STM.writeTVar mouseHoldTVar ( Just $ DrawHold pos )
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case mbPartialPath of
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-- No path started yet: find anchor for drawing (existing stroke endpoint, or new stroke).
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Nothing -> do
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( newDocument, drawAnchor ) <-
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getOrCreateDrawAnchor uniqueSupply mbSelBrush pos doc
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let firstPos = anchorPos drawAnchor newDocument
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STM.writeTVar partialPathTVar
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( Just $ PartialPath
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{ partialPathAnchor = drawAnchor
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, partialControlPoint = Nothing
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, firstPoint = Just firstPos
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}
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)
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if anchorIsNew drawAnchor
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then do
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let
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diff :: Diff
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diff = HistoryDiff $ HierarchyDiff
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$ NewLayer
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{ newUnique = anchorStroke drawAnchor
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, newPosition = WithinParent Root 0
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-- TODO: add the stroke above the selected layer
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-- or something of the sort.
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, newIsGroup = False
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}
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pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
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_ ->
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pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
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else
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pure Don'tModifyDoc
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-- Path already started: indicate that we are continuing a path.
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Just pp@( PartialPath { firstPoint = mbFirst } ) -> do
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let stillAtFirstPoint = case mbFirst of
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Nothing -> Nothing
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Just p ->
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if inPointClickRange zoom p pos
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then Just p
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else Nothing
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STM.writeTVar partialPathTVar
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( Just $ pp { firstPoint = stillAtFirstPoint } )
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pure Don'tModifyDoc
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_ -> pure Don'tModifyDoc
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DoubleClick -> do
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tool <- STM.readTVar toolTVar
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modifs <- STM.readTVar modifiersTVar
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