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Tab Bar: Fix multiple width and position computation issue. (#3291)

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This commit is contained in:
Louis Schnellbach
2020-08-27 16:18:25 +02:00
committed by ocornut
parent f23c39c395
commit 7ac16c02cc
3 changed files with 159 additions and 98 deletions
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15
imgui_internal.h
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@ -1725,6 +1725,16 @@ struct ImGuiTabItem
ImGuiTabItem() { ID = 0; Flags = ImGuiTabItemFlags_None; LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; Offset = Width = ContentWidth = 0.0f; BeginOrder = -1; IndexDuringLayout = -1; WantClose = false; }
};
struct TabBarLayoutSection
{
ImGuiTabItem* Tabs; // Pointer to the first tab_bar->Tabs matching the section
int TabCount;
float Width;
float WidthIdeal;
float InnerSpacing; // Horizontal ItemInnerSpacing, used by Leading/Trailing section, to correctly offset from Central section
TabBarLayoutSection() { Tabs = NULL; TabCount = 0; Width = 0.0f; WidthIdeal = 0.0f; InnerSpacing = 0.0f; }
};
// Storage for a tab bar (sizeof() 92~96 bytes)
struct ImGuiTabBar
{
@ -1739,8 +1749,6 @@ struct ImGuiTabBar
float LastTabContentHeight; // Record the height of contents submitted below the tab bar
float WidthAllTabs; // Actual width of all tabs (locked during layout)
float WidthAllTabsIdeal; // Ideal width if all tabs were visible and not clipped
float WidthLeading; // Total width used by leading button
float WidthTrailing; // Total width used by trailing button
float ScrollingAnim;
float ScrollingTarget;
float ScrollingTargetDistToVisibility;
@ -1749,6 +1757,9 @@ struct ImGuiTabBar
ImGuiID ReorderRequestTabId;
ImS8 ReorderRequestDir;
ImS8 TabsActiveCount; // Number of tabs submitted this frame.
TabBarLayoutSection LeadingSection;
TabBarLayoutSection CentralSection;
TabBarLayoutSection TrailingSection;
bool WantLayout;
bool VisibleTabWasSubmitted;
short LastTabItemIdx; // Index of last BeginTabItem() tab for use by EndTabItem()