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Docking: Better handling of window losing its dock node or having its dock node not active.

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This commit is contained in:
omar
2018-09-13 14:38:37 +02:00
parent c355ed1267
commit 136fc56af0
1 changed files with 11 additions and 7 deletions
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18
imgui.cpp
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@@ -10132,7 +10132,7 @@ static void ImGui::DockNodeRemoveWindow(ImGuiDockNode* node, ImGuiWindow* window
ImGuiDockContext* ctx = g.DockContext;
IM_ASSERT(window->DockNode == node);
//IM_ASSERT(window->RootWindow == node->HostWindow);
IM_ASSERT(window->LastFrameActive < g.FrameCount);
//IM_ASSERT(window->LastFrameActive < g.FrameCount); // We may call this from Begin()
IM_ASSERT(save_dock_id == 0 || save_dock_id == node->ID);
window->DockNode = NULL;
@@ -11385,8 +11385,12 @@ void ImGui::BeginDocked(ImGuiWindow* window, bool* p_open)
ImGuiDockNode* root_node = DockNodeGetRootNode(dock_node);
if (root_node->LastFrameAlive < g.FrameCount)
{
root_node->IsExplicitRoot = false;
window->DockIsActive = false;
DockContextProcessUndock(g.DockContext, window);
}
else
{
window->DockIsActive = true;
window->DockTabIsVisible = false;
}
return;
}
@@ -11414,12 +11418,12 @@ void ImGui::BeginDocked(ImGuiWindow* window, bool* p_open)
g.NextWindowData.PosUndock = false; // Cancel implicit undocking of SetNextWindowPos()
window->DockIsActive = true;
window->DockTabIsVisible = false;
if (dock_node->Flags & ImGuiDockSpaceFlags_KeepAliveOnly)
{
window->DockTabIsVisible = false;
return;
}
window->DockTabIsVisible = (dock_node->TabBar && dock_node->TabBar->VisibleTabId == window->ID);
if (dock_node->TabBar && dock_node->TabBar->VisibleTabId == window->ID)
window->DockTabIsVisible = true;
// When we are about to select this tab (which will only be visible on the _next frame_), flag it with a non-zero HiddenFramesForResize.
// This will have the important effect of actually returning true in Begin() and not setting SkipItems, allowing an earlier submission of the window contents.