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TabBar: Amend previous commit. Fix tab reordering when tab bar has scrolling.

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Some tidying up with helpers + honor 16-bit offsets as with other tab bar features (unlikely single reorder can reach that but consistent)
This commit is contained in:
ocornut
2021-03-25 18:35:24 +01:00
parent d7051928d9
commit b79b1cb9c0
3 changed files with 50 additions and 57 deletions
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5
imgui_internal.h
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@ -2098,6 +2098,7 @@ enum ImGuiTabBarFlagsPrivate_
// Extend ImGuiTabItemFlags_
enum ImGuiTabItemFlagsPrivate_
{
ImGuiTabItemFlags_SectionMask_ = ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing,
ImGuiTabItemFlags_NoCloseButton = 1 << 20, // Track whether p_open was set or not (we'll need this info on the next frame to recompute ContentWidth during layout)
ImGuiTabItemFlags_Button = 1 << 21, // Used by TabItemButton, change the tab item behavior to mimic a button
ImGuiTabItemFlags_Unsorted = 1 << 22, // [Docking] Trailing tabs with the _Unsorted flag will be sorted based on the DockOrder of their Window.
@ -2146,7 +2147,7 @@ struct IMGUI_API ImGuiTabBar
float ScrollingRectMinX;
float ScrollingRectMaxX;
ImGuiID ReorderRequestTabId;
ImS8 ReorderRequestDir;
ImS16 ReorderRequestOffset;
ImS8 BeginCount;
bool WantLayout;
bool VisibleTabWasSubmitted;
@ -2696,7 +2697,7 @@ namespace ImGui
IMGUI_API void TabBarAddTab(ImGuiTabBar* tab_bar, ImGuiTabItemFlags tab_flags, ImGuiWindow* window);
IMGUI_API void TabBarRemoveTab(ImGuiTabBar* tab_bar, ImGuiID tab_id);
IMGUI_API void TabBarCloseTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab);
IMGUI_API void TabBarQueueReorder(ImGuiTabBar* tab_bar, const ImGuiTabItem* tab, int dir);
IMGUI_API void TabBarQueueReorder(ImGuiTabBar* tab_bar, const ImGuiTabItem* tab, int offset);
IMGUI_API void TabBarQueueReorderFromMousePos(ImGuiTabBar* tab_bar, const ImGuiTabItem* tab, ImVec2 mouse_pos);
IMGUI_API bool TabBarProcessReorder(ImGuiTabBar* tab_bar);
IMGUI_API bool TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, ImGuiTabItemFlags flags, ImGuiWindow* docked_window);