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Nav: tabbing happen within FocusScope. ImGuiWindowFlags_NavFlattened make window inherit focus scope from parent.

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This commit is contained in:
ocornut 2023-12-14 17:24:47 +01:00
parent 55073aa7a3
commit 70f2aaff43
2 changed files with 8 additions and 3 deletions
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5
imgui.cpp
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@ -6420,6 +6420,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Add to focus scope stack
// We intentionally set g.CurrentWindow to NULL to prevent usage until when the viewport is set, then will call SetCurrentWindow()
if ((flags & ImGuiWindowFlags_NavFlattened) == 0)
PushFocusScope(window->ID);
window->NavRootFocusScopeId = g.CurrentFocusScopeId;
g.CurrentWindow = NULL;
@ -7061,6 +7062,7 @@ void ImGui::End()
if (window->DC.CurrentColumns)
EndColumns();
PopClipRect(); // Inner window clip rectangle
if ((window->Flags & ImGuiWindowFlags_NavFlattened) == 0)
PopFocusScope();
// Stop logging
@ -9679,6 +9681,7 @@ bool ImGui::ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb_arg, ImGu
// If we crash on a NULL g.NavWindow we need to fix the bug elsewhere.
if (!(g.LastItemData.InFlags & ImGuiItemFlags_NoNav))
{
// FIMXE-NAV: investigate changing the window tests into a simple 'if (g.NavFocusScopeId == g.CurrentFocusScopeId)' test.
window->DC.NavLayersActiveMaskNext |= (1 << window->DC.NavLayerCurrent);
if (g.NavId == id || g.NavAnyRequest)
if (g.NavWindow->RootWindowForNav == window->RootWindowForNav)
@ -11310,6 +11313,8 @@ void ImGui::NavProcessItemForTabbingRequest(ImGuiID id, ImGuiItemFlags item_flag
if ((move_flags & ImGuiNavMoveFlags_FocusApi) == 0)
if (g.NavLayer != g.CurrentWindow->DC.NavLayerCurrent)
return;
if (g.NavFocusScopeId != g.CurrentFocusScopeId)
return;
// - Can always land on an item when using API call.
// - Tabbing with _NavEnableKeyboard (space/enter/arrows): goes through every item.

2
imgui.h
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@ -1009,7 +1009,7 @@ enum ImGuiWindowFlags_
ImGuiWindowFlags_NoInputs = ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus,
// [Internal]
ImGuiWindowFlags_NavFlattened = 1 << 23, // [BETA] On child window: allow gamepad/keyboard navigation to cross over parent border to this child or between sibling child windows.
ImGuiWindowFlags_NavFlattened = 1 << 23, // [BETA] On child window: share focus scope, allow gamepad/keyboard navigation to cross over parent border to this child or between sibling child windows.
ImGuiWindowFlags_ChildWindow = 1 << 24, // Don't use! For internal use by BeginChild()
ImGuiWindowFlags_Tooltip = 1 << 25, // Don't use! For internal use by BeginTooltip()
ImGuiWindowFlags_Popup = 1 << 26, // Don't use! For internal use by BeginPopup()