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TabBar: Tab-bars with ImGuiTabBarFlags_FittingPolicyScroll can be scrolled with horizontal mouse-wheel (or Shift + WheelY). (#2702)
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@ -52,6 +52,8 @@ Other changes:
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- Nav: Made Ctrl+Tab/Ctrl+Shift+Tab windowing register ownership to held modifier so
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it doesn't interfere with other code when remapping those actions. (#4828, #3255, #5641)
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- ColorEdit: Fixed shading of S/V triangle in Hue Wheel mode. (#5200, #6254) [@jamesthomasgriffin]
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- TabBar: Tab-bars with ImGuiTabBarFlags_FittingPolicyScroll can be scrolled with
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horizontal mouse-wheel (or Shift + WheelY). (#2702)
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- Rendering: Using adaptative tesselation for: RadioButton, ColorEdit preview circles,
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Windows Close and Collapse Buttons.
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- Misc: Fixed ImVec2 operator[] violating aliasing rules causing issue with Intel C++
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@ -3867,7 +3867,7 @@ void ImGui::MarkItemEdited(ImGuiID id)
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g.LastItemData.StatusFlags |= ImGuiItemStatusFlags_Edited;
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}
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static inline bool IsWindowContentHoverable(ImGuiWindow* window, ImGuiHoveredFlags flags)
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bool ImGui::IsWindowContentHoverable(ImGuiWindow* window, ImGuiHoveredFlags flags)
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{
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// An active popup disable hovering on other windows (apart from its own children)
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// FIXME-OPT: This could be cached/stored within the window.
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@ -2828,6 +2828,7 @@ namespace ImGui
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inline void ItemSize(const ImRect& bb, float text_baseline_y = -1.0f) { ItemSize(bb.GetSize(), text_baseline_y); } // FIXME: This is a misleading API since we expect CursorPos to be bb.Min.
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IMGUI_API bool ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb = NULL, ImGuiItemFlags extra_flags = 0);
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IMGUI_API bool ItemHoverable(const ImRect& bb, ImGuiID id);
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IMGUI_API bool IsWindowContentHoverable(ImGuiWindow* window, ImGuiHoveredFlags flags = 0);
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IMGUI_API bool IsClippedEx(const ImRect& bb, ImGuiID id);
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IMGUI_API void SetLastItemData(ImGuiID item_id, ImGuiItemFlags in_flags, ImGuiItemStatusFlags status_flags, const ImRect& item_rect);
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IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_w, float default_h);
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@ -7618,6 +7618,12 @@ void ImGui::EndTabBar()
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g.CurrentTabBar = g.CurrentTabBarStack.empty() ? NULL : GetTabBarFromTabBarRef(g.CurrentTabBarStack.back());
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}
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// Scrolling happens only in the central section (leading/trailing sections are not scrolling)
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static float TabBarCalcScrollableWidth(ImGuiTabBar* tab_bar, ImGuiTabBarSection* sections)
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{
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return tab_bar->BarRect.GetWidth() - sections[0].Width - sections[2].Width - sections[1].Spacing;
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}
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// This is called only once a frame before by the first call to ItemTab()
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// The reason we're not calling it in BeginTabBar() is to leave a chance to the user to call the SetTabItemClosed() functions.
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static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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@ -7820,9 +7826,23 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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tab_bar->VisibleTabId = tab_bar->SelectedTabId;
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tab_bar->VisibleTabWasSubmitted = false;
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// Update scrolling
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// Apply request requests
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if (scroll_to_tab_id != 0)
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TabBarScrollToTab(tab_bar, scroll_to_tab_id, sections);
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else if ((tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll) && IsMouseHoveringRect(tab_bar->BarRect.Min, tab_bar->BarRect.Max, true) && IsWindowContentHoverable(g.CurrentWindow))
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{
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const float wheel = g.IO.MouseWheelRequestAxisSwap ? g.IO.MouseWheel : g.IO.MouseWheelH;
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const ImGuiKey wheel_key = g.IO.MouseWheelRequestAxisSwap ? ImGuiKey_MouseWheelY : ImGuiKey_MouseWheelX;
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if (TestKeyOwner(wheel_key, tab_bar->ID) && wheel != 0.0f)
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{
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const float scroll_step = wheel * TabBarCalcScrollableWidth(tab_bar, sections) / 3.0f;
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tab_bar->ScrollingTargetDistToVisibility = 0.0f;
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tab_bar->ScrollingTarget = TabBarScrollClamp(tab_bar, tab_bar->ScrollingTarget - scroll_step);
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}
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SetKeyOwner(wheel_key, tab_bar->ID);
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}
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// Update scrolling
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tab_bar->ScrollingAnim = TabBarScrollClamp(tab_bar, tab_bar->ScrollingAnim);
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tab_bar->ScrollingTarget = TabBarScrollClamp(tab_bar, tab_bar->ScrollingTarget);
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if (tab_bar->ScrollingAnim != tab_bar->ScrollingTarget)
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@ -7959,8 +7979,7 @@ static void ImGui::TabBarScrollToTab(ImGuiTabBar* tab_bar, ImGuiID tab_id, ImGui
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int order = TabBarGetTabOrder(tab_bar, tab);
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// Scrolling happens only in the central section (leading/trailing sections are not scrolling)
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// FIXME: This is all confusing.
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float scrollable_width = tab_bar->BarRect.GetWidth() - sections[0].Width - sections[2].Width - sections[1].Spacing;
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float scrollable_width = TabBarCalcScrollableWidth(tab_bar, sections);
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// We make all tabs positions all relative Sections[0].Width to make code simpler
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float tab_x1 = tab->Offset - sections[0].Width + (order > sections[0].TabCount - 1 ? -margin : 0.0f);
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