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Tab Bar: Fixed a small bug where toggling a tab bar from Reorderable to not Reorderable would leave tabs reordered in the tab list popup.

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This commit is contained in:
Louis Schnellbach
2020-08-26 12:18:02 +02:00
committed by ocornut
parent b30d33378d
commit 8c80d533d9
3 changed files with 14 additions and 8 deletions
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14
imgui_widgets.cpp
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@ -6782,15 +6782,16 @@ ImGuiTabBar::ImGuiTabBar()
Flags = ImGuiTabBarFlags_None;
ReorderRequestTabId = 0;
ReorderRequestDir = 0;
TabsActiveCount = 0;
WantLayout = VisibleTabWasSubmitted = false;
LastTabItemIdx = -1;
}
static int IMGUI_CDECL TabItemComparerByVisibleOffset(const void* lhs, const void* rhs)
static int IMGUI_CDECL TabItemComparerByBeginOrder(const void* lhs, const void* rhs)
{
const ImGuiTabItem* a = (const ImGuiTabItem*)lhs;
const ImGuiTabItem* b = (const ImGuiTabItem*)rhs;
return (int)(a->Offset - b->Offset);
return (int)(a->BeginOrder - b->BeginOrder);
}
static ImGuiTabBar* GetTabBarFromTabBarRef(const ImGuiPtrOrIndex& ref)
@ -6842,10 +6843,9 @@ bool ImGui::BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& tab_bar_bb, ImG
return true;
}
// When toggling back from ordered to manually-reorderable, shuffle tabs to enforce the last visible order.
// Otherwise, the most recently inserted tabs would move at the end of visible list which can be a little too confusing or magic for the user.
if ((flags & ImGuiTabBarFlags_Reorderable) && !(tab_bar->Flags & ImGuiTabBarFlags_Reorderable) && tab_bar->Tabs.Size > 1 && tab_bar->PrevFrameVisible != -1)
ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerByVisibleOffset);
// When toggling ImGuiTabBarFlags_Reorderable flag, ensure tabs are ordered based on their submission order.
if ((flags & ImGuiTabBarFlags_Reorderable) != (tab_bar->Flags & ImGuiTabBarFlags_Reorderable) && tab_bar->Tabs.Size > 1)
ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerByBeginOrder);
// Flags
if ((flags & ImGuiTabBarFlags_FittingPolicyMask_) == 0)
@ -6857,6 +6857,7 @@ bool ImGui::BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& tab_bar_bb, ImG
tab_bar->PrevFrameVisible = tab_bar->CurrFrameVisible;
tab_bar->CurrFrameVisible = g.FrameCount;
tab_bar->FramePadding = g.Style.FramePadding;
tab_bar->TabsActiveCount = 0;
// Set cursor pos in a way which only be used in the off-chance the user erroneously submits item before BeginTabItem(): items will overlap
window->DC.CursorPos.x = tab_bar->BarRect.Min.x;
@ -7362,6 +7363,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
}
tab_bar->LastTabItemIdx = (short)tab_bar->Tabs.index_from_ptr(tab);
tab->ContentWidth = size.x;
tab->BeginOrder = tab_bar->TabsActiveCount++;
const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount);
const bool tab_bar_focused = (tab_bar->Flags & ImGuiTabBarFlags_IsFocused) != 0;