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Docking: Added internal DockBuilderGetCentralNode(). Fixed being unable to undock whole node from dock button in DockSpace with a central node. (#2109)

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This commit is contained in:
omar 2018-11-26 22:18:55 +01:00
parent 962dcb466d
commit 3f51c831de
3 changed files with 18 additions and 7 deletions
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10
imgui_widgets.cpp
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@ -671,6 +671,7 @@ bool ImGui::CloseButton(ImGuiID id, const ImVec2& pos, float radius)
return pressed;
}
// The Collapse button also functions as a Dock Menu button.
bool ImGui::CollapseButton(ImGuiID id, const ImVec2& pos, ImGuiDockNode* dock_node)
{
ImGuiContext& g = *GImGui;
@ -695,7 +696,14 @@ bool ImGui::CollapseButton(ImGuiID id, const ImVec2& pos, ImGuiDockNode* dock_no
// Switch to moving the window after mouse is moved beyond the initial drag threshold
if (IsItemActive() && IsMouseDragging(0))
{
if (dock_node != NULL && DockNodeGetRootNode(dock_node)->OnlyNodeWithWindows != dock_node)
bool can_extract_dock_node = false;
if (dock_node != NULL)
{
ImGuiDockNode* root_node = DockNodeGetRootNode(dock_node);
if (root_node->OnlyNodeWithWindows != dock_node || (root_node->CentralNode != NULL))
can_extract_dock_node = true;
}
if (can_extract_dock_node)
{
float threshold_base = g.FontSize;
float threshold_x = (threshold_base * 2.2f);