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TabBar: Fixed using more than 32 KB-worth of tab names. (#4176)

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This commit is contained in:
ocornut
2021-05-27 11:58:04 +02:00
parent 04fd5072fb
commit 79e18896fe
3 changed files with 6 additions and 5 deletions
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8
imgui_internal.h
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@ -1952,7 +1952,7 @@ enum ImGuiTabItemFlagsPrivate_
ImGuiTabItemFlags_Button = 1 << 21 // Used by TabItemButton, change the tab item behavior to mimic a button
};
// Storage for one active tab item (sizeof() 28~32 bytes)
// Storage for one active tab item (sizeof() 40 bytes)
struct ImGuiTabItem
{
ImGuiID ID;
@ -1962,12 +1962,12 @@ struct ImGuiTabItem
float Offset; // Position relative to beginning of tab
float Width; // Width currently displayed
float ContentWidth; // Width of label, stored during BeginTabItem() call
ImS16 NameOffset; // When Window==NULL, offset to name within parent ImGuiTabBar::TabsNames
ImS32 NameOffset; // When Window==NULL, offset to name within parent ImGuiTabBar::TabsNames
ImS16 BeginOrder; // BeginTabItem() order, used to re-order tabs after toggling ImGuiTabBarFlags_Reorderable
ImS16 IndexDuringLayout; // Index only used during TabBarLayout()
bool WantClose; // Marked as closed by SetTabItemClosed()
ImGuiTabItem() { memset(this, 0, sizeof(*this)); LastFrameVisible = LastFrameSelected = -1; NameOffset = BeginOrder = IndexDuringLayout = -1; }
ImGuiTabItem() { memset(this, 0, sizeof(*this)); LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; BeginOrder = IndexDuringLayout = -1; }
};
// Storage for a tab bar (sizeof() 152 bytes)
@ -2009,7 +2009,7 @@ struct ImGuiTabBar
int GetTabOrder(const ImGuiTabItem* tab) const { return Tabs.index_from_ptr(tab); }
const char* GetTabName(const ImGuiTabItem* tab) const
{
IM_ASSERT(tab->NameOffset != -1 && (int)tab->NameOffset < TabsNames.Buf.Size);
IM_ASSERT(tab->NameOffset != -1 && tab->NameOffset < TabsNames.Buf.Size);
return TabsNames.Buf.Data + tab->NameOffset;
}
};