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Docking: Preserve existing docked nodes when setting the ImGuiDockNodeFlags_NoDockingInCentralNode flag. (#2423, #2109)

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omar
2019-03-16 16:19:09 +01:00
parent 7ba774a440
commit c7619d4a6a
2 changed files with 10 additions and 7 deletions
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6
imgui.h
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@ -594,7 +594,7 @@ namespace ImGui
// To dock windows: hold SHIFT anywhere while moving windows (if io.ConfigDockingWithShift == true) or drag windows from their title bar (if io.ConfigDockingWithShift = false)
// Use DockSpace() to create an explicit dock node _within_ an existing window. See Docking demo for details.
IMGUI_API void DockSpace(ImGuiID id, const ImVec2& size = ImVec2(0, 0), ImGuiDockNodeFlags flags = 0, const ImGuiWindowClass* window_class = NULL);
IMGUI_API ImGuiID DockSpaceOverViewport(ImGuiViewport* viewport = NULL, ImGuiDockNodeFlags dockspace_flags = 0, const ImGuiWindowClass* window_class = NULL);
IMGUI_API ImGuiID DockSpaceOverViewport(ImGuiViewport* viewport = NULL, ImGuiDockNodeFlags flags = 0, const ImGuiWindowClass* window_class = NULL);
IMGUI_API void SetNextWindowDockID(ImGuiID dock_id, ImGuiCond cond = 0); // set next window dock id (FIXME-DOCK)
IMGUI_API void SetNextWindowClass(const ImGuiWindowClass* window_class); // set next window class (rare/advanced uses: provide hints to the platform back-end via altered viewport flags and parent/child info)
IMGUI_API ImGuiID GetWindowDockID();
@ -882,9 +882,9 @@ enum ImGuiDockNodeFlags_
{
ImGuiDockNodeFlags_None = 0,
ImGuiDockNodeFlags_KeepAliveOnly = 1 << 0, // Don't display the dockspace node but keep it alive. Windows docked into this dockspace node won't be undocked.
ImGuiDockNodeFlags_NoSplit = 1 << 1, // Disable splitting the node into smaller nodes. Useful e.g. when embedding dockspaces into a main root one (the root one may have splitting disabled to reduce confusion)
ImGuiDockNodeFlags_NoSplit = 1 << 1, // Disable splitting the node into smaller nodes. Useful e.g. when embedding dockspaces into a main root one (the root one may have splitting disabled to reduce confusion). Note: when turned off, existing splits will be preserved.
//ImGuiDockNodeFlags_NoCentralNode = 1 << 2, // Disable Central Node (the node which can stay empty)
ImGuiDockNodeFlags_NoDockingInCentralNode = 1 << 3, // Disable docking inside the Central Node, which will be always kept empty.
ImGuiDockNodeFlags_NoDockingInCentralNode = 1 << 3, // Disable docking inside the Central Node, which will be always kept empty. Note: when turned off, existing docked nodes will be preserved.
//ImGuiDockNodeFlags_NoLayoutChanges = 1 << 4, // Disable adding/removing nodes interactively. Useful with programatically setup dockspaces.
ImGuiDockNodeFlags_NoResize = 1 << 5, // Disable resizing child nodes using the splitter/separators. Useful with programatically setup dockspaces.
ImGuiDockNodeFlags_PassthruDockspace = 1 << 6, // Enable passthru dockspace: 1) DockSpace() will render a ImGuiCol_WindowBg background covering everything excepted the Central Node when empty. Meaning the host window should probably use SetNextWindowBgAlpha(0.0f) prior to Begin() when using this. 2) When Central Node is empty: let inputs pass-through + won't display a DockingEmptyBg background.