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Docking: Reworked node flags saving/inheritance... (#4292, #3834, #3633, #3521, #3492, #3335, #2999, #2648)

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..so that flags enforced by docked windows via the DockNodeFlagsOverrideSet mechanism are are not left in empty dockspace nodes once the windows gets undocked.
This commit is contained in:
ocornut
2021-07-05 13:05:18 +02:00
parent 0a8ab75e4b
commit 6136b3844b
3 changed files with 59 additions and 36 deletions
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22
imgui_internal.h
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@@ -1312,12 +1312,14 @@ enum ImGuiDockNodeState
ImGuiDockNodeState_HostWindowVisible
};
// sizeof() 116~160
// sizeof() 156~192
struct IMGUI_API ImGuiDockNode
{
ImGuiID ID;
ImGuiDockNodeFlags SharedFlags; // Flags shared by all nodes of a same dockspace hierarchy (inherited from the root node)
ImGuiDockNodeFlags LocalFlags; // Flags specific to this node
ImGuiDockNodeFlags SharedFlags; // (Write) Flags shared by all nodes of a same dockspace hierarchy (inherited from the root node)
ImGuiDockNodeFlags LocalFlags; // (Write) Flags specific to this node
ImGuiDockNodeFlags LocalFlagsInWindows; // (Write) Flags specific to this node, applied from windows
ImGuiDockNodeFlags MergedFlags; // (Read) Effective flags (== SharedFlags | LocalFlagsInNode | LocalFlagsInWindows)
ImGuiDockNodeState State;
ImGuiDockNode* ParentNode;
ImGuiDockNode* ChildNodes[2]; // [Split node only] Child nodes (left/right or top/bottom). Consider switching to an array.
@@ -1356,16 +1358,18 @@ struct IMGUI_API ImGuiDockNode
ImGuiDockNode(ImGuiID id);
~ImGuiDockNode();
bool IsRootNode() const { return ParentNode == NULL; }
bool IsDockSpace() const { return (LocalFlags & ImGuiDockNodeFlags_DockSpace) != 0; }
bool IsFloatingNode() const { return ParentNode == NULL && (LocalFlags & ImGuiDockNodeFlags_DockSpace) == 0; }
bool IsCentralNode() const { return (LocalFlags & ImGuiDockNodeFlags_CentralNode) != 0; }
bool IsHiddenTabBar() const { return (LocalFlags & ImGuiDockNodeFlags_HiddenTabBar) != 0; } // Hidden tab bar can be shown back by clicking the small triangle
bool IsNoTabBar() const { return (LocalFlags & ImGuiDockNodeFlags_NoTabBar) != 0; } // Never show a tab bar
bool IsDockSpace() const { return (MergedFlags & ImGuiDockNodeFlags_DockSpace) != 0; }
bool IsFloatingNode() const { return ParentNode == NULL && (MergedFlags & ImGuiDockNodeFlags_DockSpace) == 0; }
bool IsCentralNode() const { return (MergedFlags & ImGuiDockNodeFlags_CentralNode) != 0; }
bool IsHiddenTabBar() const { return (MergedFlags & ImGuiDockNodeFlags_HiddenTabBar) != 0; } // Hidden tab bar can be shown back by clicking the small triangle
bool IsNoTabBar() const { return (MergedFlags & ImGuiDockNodeFlags_NoTabBar) != 0; } // Never show a tab bar
bool IsSplitNode() const { return ChildNodes[0] != NULL; }
bool IsLeafNode() const { return ChildNodes[0] == NULL; }
bool IsEmpty() const { return ChildNodes[0] == NULL && Windows.Size == 0; }
ImGuiDockNodeFlags GetMergedFlags() const { return SharedFlags | LocalFlags; }
ImRect Rect() const { return ImRect(Pos.x, Pos.y, Pos.x + Size.x, Pos.y + Size.y); }
void SetLocalFlags(ImGuiDockNodeFlags flags) { LocalFlags = flags; UpdateMergedFlags(); }
void UpdateMergedFlags() { MergedFlags = SharedFlags | LocalFlags | LocalFlagsInWindows; }
};
// List of colors that are stored at the time of Begin() into Docked Windows.