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Viewports: Made it possible to explicitly assign ImGuiWindowClass::ParentViewportId to 0. (#3152, #2871)

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ocornut 2021-11-16 01:02:25 +01:00
parent dc8c3618e8
commit 2080d12bd9
3 changed files with 6 additions and 3 deletions
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3
docs/CHANGELOG.txt
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@ -154,6 +154,9 @@ Other Changes:
Docking+Viewports Branch:
- Viewports: Made it possible to explicitly assign ImGuiWindowClass::ParentViewportId to 0 in order
to ensure a window is not parented. Previously this would use the global default (which might be 0,
but not always as it would depend on io.ConfigViewportsNoDefaultParent). (#3152, #2871)
- Disabled: Fixed nested BeginDisabled()/EndDisabled() bug in Docking branch due to bad merge. (#4655, #4452, #4453, #4462)

2
imgui.cpp
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@ -12457,7 +12457,7 @@ void ImGui::WindowSyncOwnedViewport(ImGuiWindow* window, ImGuiWindow* parent_win
// Update parent viewport ID
// (the !IsFallbackWindow test mimic the one done in WindowSelectViewport())
if (window->WindowClass.ParentViewportId)
if (window->WindowClass.ParentViewportId != (ImGuiID)-1)
window->Viewport->ParentViewportId = window->WindowClass.ParentViewportId;
else if ((window_flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) && parent_window_in_stack && (!parent_window_in_stack->IsFallbackWindow || parent_window_in_stack->WasActive))
window->Viewport->ParentViewportId = parent_window_in_stack->Viewport->ID;

4
imgui.h
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@ -2100,7 +2100,7 @@ struct ImGuiSizeCallbackData
struct ImGuiWindowClass
{
ImGuiID ClassId; // User data. 0 = Default class (unclassed). Windows of different classes cannot be docked with each others.
ImGuiID ParentViewportId; // Hint for the platform backend. If non-zero, the platform backend can create a parent<>child relationship between the platform windows. Not conforming backends are free to e.g. parent every viewport to the main viewport or not.
ImGuiID ParentViewportId; // Hint for the platform backend. -1: use default. 0: request platform backend to not parent the platform. != 0: request platform backend to create a parent<>child relationship between the platform windows. Not conforming backends are free to e.g. parent every viewport to the main viewport or not.
ImGuiViewportFlags ViewportFlagsOverrideSet; // Viewport flags to set when a window of this class owns a viewport. This allows you to enforce OS decoration or task bar icon, override the defaults on a per-window basis.
ImGuiViewportFlags ViewportFlagsOverrideClear; // Viewport flags to clear when a window of this class owns a viewport. This allows you to enforce OS decoration or task bar icon, override the defaults on a per-window basis.
ImGuiTabItemFlags TabItemFlagsOverrideSet; // [EXPERIMENTAL] TabItem flags to set when a window of this class gets submitted into a dock node tab bar. May use with ImGuiTabItemFlags_Leading or ImGuiTabItemFlags_Trailing.
@ -2108,7 +2108,7 @@ struct ImGuiWindowClass
bool DockingAlwaysTabBar; // Set to true to enforce single floating windows of this class always having their own docking node (equivalent of setting the global io.ConfigDockingAlwaysTabBar)
bool DockingAllowUnclassed; // Set to true to allow windows of this class to be docked/merged with an unclassed window. // FIXME-DOCK: Move to DockNodeFlags override?
ImGuiWindowClass() { memset(this, 0, sizeof(*this)); DockingAllowUnclassed = true; }
ImGuiWindowClass() { memset(this, 0, sizeof(*this)); ParentViewportId = (ImGuiID)-1; DockingAllowUnclassed = true; }
};
// Data payload for Drag and Drop operations: AcceptDragDropPayload(), GetDragDropPayload()