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Docking: Fix undocking (#3243), amend 7b3d3798 (#1738)

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This commit is contained in:
ocornut 2020-05-18 15:08:47 +02:00
parent 3b3af6b731
commit 615e9ae345
2 changed files with 14 additions and 4 deletions
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13
imgui.cpp
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@ -6796,9 +6796,14 @@ void ImGui::FocusWindow(ImGuiWindow* window)
IM_ASSERT(window == NULL || window->RootWindow != NULL);
ImGuiWindow* focus_front_window = window ? window->RootWindowDockStop : NULL;
ImGuiWindow* display_front_window = window ? window->RootWindow : NULL;
ImGuiDockNode* dock_node = window ? window->DockNode : NULL;
bool active_id_window_is_dock_node_host = (g.ActiveIdWindow && dock_node && dock_node->HostWindow == g.ActiveIdWindow);
// Steal focus on active widgets
if (g.ActiveId != 0 && g.ActiveIdWindow && g.ActiveIdWindow->RootWindowDockStop != focus_front_window)
// Steal active widgets. Some of the cases it triggers includes:
// - Focus a window while an InputText in another window is active, if focus happens before the old InputText can run.
// - When using Nav to activate menu items (due to timing of activating on press->new window appears->losing ActiveId)
// - Using dock host items (tab, collapse button) can trigger this before we redirect the ActiveIdWindow toward the child window.
if (g.ActiveId != 0 && g.ActiveIdWindow && g.ActiveIdWindow->RootWindowDockStop != focus_front_window && !active_id_window_is_dock_node_host)
ClearActiveID();
// Passing NULL allow to disable keyboard focus
@ -6807,8 +6812,8 @@ void ImGui::FocusWindow(ImGuiWindow* window)
window->LastFrameJustFocused = g.FrameCount;
// Select in dock node
if (window->DockNode && window->DockNode->TabBar)
window->DockNode->TabBar->SelectedTabId = window->DockNode->TabBar->NextSelectedTabId = window->ID;
if (dock_node && dock_node->TabBar)
dock_node->TabBar->SelectedTabId = dock_node->TabBar->NextSelectedTabId = window->ID;
// Bring to front
BringWindowToFocusFront(focus_front_window);

5
imgui_widgets.cpp
View File

@ -7289,6 +7289,11 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
tab_bar->NextSelectedTabId = id;
hovered |= (g.HoveredId == id);
// Transfer active id window so the active id is not owned by the dock host (as StartMouseMovingWindow()
// will only do it on the drag). This allows FocusWindow() to be more conservative in how it clears active id.
if (held && docked_window && g.ActiveId == id && g.ActiveIdIsJustActivated)
g.ActiveIdWindow = docked_window;
// Allow the close button to overlap unless we are dragging (in which case we don't want any overlapping tabs to be hovered)
if (!held)
SetItemAllowOverlap();