diff --git a/imgui.cpp b/imgui.cpp index 4518cd80..1d65396a 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -10563,10 +10563,10 @@ void ImGui::ShowMetricsWindow(bool* p_open) { ImDrawList* draw_list = ImGui::GetForegroundDrawList(); draw_list->AddRect(tab_bar->BarRect.Min, tab_bar->BarRect.Max, IM_COL32(255, 255, 0, 255)); - if (tab_bar->LeadingSection.Width > 0.0f) - draw_list->AddLine(ImVec2(tab_bar->BarRect.Min.x + tab_bar->LeadingSection.Width, tab_bar->BarRect.Min.y), ImVec2(tab_bar->BarRect.Min.x + tab_bar->LeadingSection.Width, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255)); - if (tab_bar->TrailingSection.Width > 0.0f) - draw_list->AddLine(ImVec2(tab_bar->BarRect.Max.x - tab_bar->TrailingSection.Width, tab_bar->BarRect.Min.y), ImVec2(tab_bar->BarRect.Max.x - tab_bar->TrailingSection.Width, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255)); + if (tab_bar->Sections[0].Width > 0.0f) + draw_list->AddLine(ImVec2(tab_bar->BarRect.Min.x + tab_bar->Sections[0].Width, tab_bar->BarRect.Min.y), ImVec2(tab_bar->BarRect.Min.x + tab_bar->Sections[0].Width, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255)); + if (tab_bar->Sections[2].Width > 0.0f) + draw_list->AddLine(ImVec2(tab_bar->BarRect.Max.x - tab_bar->Sections[2].Width, tab_bar->BarRect.Min.y), ImVec2(tab_bar->BarRect.Max.x - tab_bar->Sections[2].Width, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255)); } if (open) { diff --git a/imgui_demo.cpp b/imgui_demo.cpp index 3cc153cb..e1d31063 100644 --- a/imgui_demo.cpp +++ b/imgui_demo.cpp @@ -2363,7 +2363,7 @@ static void ShowDemoWindowLayout() for (int i = 0; i < 3; i++) active_tabs.push_back(next_tab_id++); - static ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_FittingPolicyResizeDown; + static ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_AutoSelectNewTabs | ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_FittingPolicyResizeDown; ImGui::CheckboxFlags("ImGuiTabBarFlags_TabListPopupButton", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_TabListPopupButton); if (ImGui::CheckboxFlags("ImGuiTabBarFlags_FittingPolicyResizeDown", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_FittingPolicyResizeDown)) tab_bar_flags &= ~(ImGuiTabBarFlags_FittingPolicyMask_ ^ ImGuiTabBarFlags_FittingPolicyResizeDown); diff --git a/imgui_internal.h b/imgui_internal.h index bb633253..e61fbed7 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -1725,14 +1725,14 @@ 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 +struct ImGuiTabBarSection { - 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; } + int TabStartIndex; + int TabCount; + float Width; + float WidthIdeal; + float InnerSpacing; // Horizontal ItemInnerSpacing, used by Leading/Trailing section, to correctly offset from Central section + ImGuiTabBarSection(){ memset(this, 0, sizeof(*this)); } }; // Storage for a tab bar (sizeof() 92~96 bytes) @@ -1757,9 +1757,7 @@ struct ImGuiTabBar ImGuiID ReorderRequestTabId; ImS8 ReorderRequestDir; ImS8 TabsActiveCount; // Number of tabs submitted this frame. - TabBarLayoutSection LeadingSection; - TabBarLayoutSection CentralSection; - TabBarLayoutSection TrailingSection; + ImGuiTabBarSection Sections[3]; bool WantLayout; bool VisibleTabWasSubmitted; short LastTabItemIdx; // Index of last BeginTabItem() tab for use by EndTabItem() diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp index 0c81dd0b..3628b161 100644 --- a/imgui_widgets.cpp +++ b/imgui_widgets.cpp @@ -6786,7 +6786,6 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool* p_selected, // - EndTabBar() // - TabBarLayout() [Internal] // - TabBarLayoutComputeTabsWidth() [Internal] -// - TabBarLayoutActiveTabsForSection() [Internal] // - TabBarCalcTabID() [Internal] // - TabBarCalcMaxTabWidth() [Internal] // - TabBarFindTabById() [Internal] @@ -6803,7 +6802,6 @@ namespace ImGui { static void TabBarLayout(ImGuiTabBar* tab_bar); static void TabBarLayoutComputeTabsWidth(ImGuiTabBar* tab_bar, bool scrolling_buttons, float scrolling_buttons_width); - static float TabBarLayoutActiveTabsForSection(ImGuiTabBar* tab_bar, TabBarLayoutSection* section, float next_tab_offset); static ImU32 TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label); static float TabBarCalcMaxTabWidth(); static float TabBarScrollClamp(ImGuiTabBar* tab_bar, float scrolling); @@ -6828,14 +6826,14 @@ ImGuiTabBar::ImGuiTabBar() LastTabItemIdx = -1; } -static int IMGUI_CDECL TabItemComparerByPositionAndIndex(const void* lhs, const void* rhs) +static int IMGUI_CDECL TabItemComparerBySection(const void* lhs, const void* rhs) { const ImGuiTabItem* a = (const ImGuiTabItem*)lhs; const ImGuiTabItem* b = (const ImGuiTabItem*)rhs; - const int a_position = (a->Flags & ImGuiTabItemFlags_Leading) ? 0 : (a->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1; - const int b_position = (b->Flags & ImGuiTabItemFlags_Leading) ? 0 : (b->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1; - if (a_position != b_position) - return a_position - b_position; + const int a_section = (a->Flags & ImGuiTabItemFlags_Leading) ? 0 : (a->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1; + const int b_section = (b->Flags & ImGuiTabItemFlags_Leading) ? 0 : (b->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1; + if (a_section != b_section) + return a_section - b_section; return (int)(a->IndexDuringLayout - b->IndexDuringLayout); } @@ -6972,7 +6970,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) // Garbage collect by compacting list int tab_dst_n = 0; bool need_sort_trailing_or_leading = false; - tab_bar->LeadingSection.TabCount = tab_bar->CentralSection.TabCount = tab_bar->TrailingSection.TabCount = 0; + tab_bar->Sections[0].TabCount = tab_bar->Sections[1].TabCount = tab_bar->Sections[2].TabCount = 0; for (int tab_src_n = 0; tab_src_n < tab_bar->Tabs.Size; tab_src_n++) { ImGuiTabItem* tab = &tab_bar->Tabs[tab_src_n]; @@ -6987,20 +6985,19 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) if (tab_dst_n != tab_src_n) tab_bar->Tabs[tab_dst_n] = tab_bar->Tabs[tab_src_n]; - tab_bar->Tabs[tab_dst_n].IndexDuringLayout = (ImS8)tab_dst_n; - bool is_leading = (tab_bar->Tabs[tab_dst_n].Flags & ImGuiTabItemFlags_Leading) != 0; - bool is_trailing = (tab_bar->Tabs[tab_dst_n].Flags & ImGuiTabItemFlags_Trailing) != 0; - if (tab_dst_n > 0 && is_leading && !(tab_bar->Tabs[tab_dst_n - 1].Flags & ImGuiTabItemFlags_Leading)) + tab = &tab_bar->Tabs[tab_dst_n]; + tab->IndexDuringLayout = (ImS8)tab_dst_n; + + ImGuiTabItem* prev_tab = &tab_bar->Tabs[tab_dst_n - 1]; + int curr_tab_section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1; + int prev_tab_section_n = (prev_tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (prev_tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1; + + if (tab_dst_n > 0 && curr_tab_section_n == 0 && prev_tab_section_n != 0) need_sort_trailing_or_leading = true; - if (tab_dst_n > 0 && (tab_bar->Tabs[tab_dst_n - 1].Flags & ImGuiTabItemFlags_Trailing) && !is_trailing) + if (tab_dst_n > 0 && prev_tab_section_n == 2 && curr_tab_section_n != 2) need_sort_trailing_or_leading = true; - if (is_leading) - tab_bar->LeadingSection.TabCount++; - else if (is_trailing) - tab_bar->TrailingSection.TabCount++; - else - tab_bar->CentralSection.TabCount++; + tab_bar->Sections[curr_tab_section_n].TabCount++; tab_dst_n++; } @@ -7008,11 +7005,11 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) tab_bar->Tabs.resize(tab_dst_n); if (need_sort_trailing_or_leading) - ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerByPositionAndIndex); + ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerBySection); - tab_bar->LeadingSection.Tabs = tab_bar->Tabs.Data; - tab_bar->CentralSection.Tabs = tab_bar->Tabs.Data + tab_bar->LeadingSection.TabCount; - tab_bar->TrailingSection.Tabs = tab_bar->Tabs.Data + tab_bar->LeadingSection.TabCount + tab_bar->CentralSection.TabCount; + tab_bar->Sections[0].TabStartIndex = 0; + tab_bar->Sections[1].TabStartIndex = tab_bar->Sections[0].TabStartIndex + tab_bar->Sections[0].TabCount; + tab_bar->Sections[2].TabStartIndex = tab_bar->Sections[1].TabStartIndex + tab_bar->Sections[1].TabCount; // Setup next selected tab ImGuiID scroll_track_selected_tab_id = 0; @@ -7042,7 +7039,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) g.ShrinkWidthBuffer.resize(tab_bar->Tabs.Size); // Compute ideal widths - tab_bar->LeadingSection.Width = tab_bar->CentralSection.Width = tab_bar->TrailingSection.Width = 0.0f; + tab_bar->Sections[0].Width = tab_bar->Sections[1].Width = tab_bar->Sections[2].Width = 0.0f; const float tab_max_width = TabBarCalcMaxTabWidth(); ImGuiTabItem* most_recently_selected_tab = NULL; @@ -7066,23 +7063,18 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) const bool has_close_button = (tab->Flags & ImGuiTabItemFlags_NoCloseButton) ? false : true; tab->ContentWidth = TabItemCalcSize(tab_name, has_close_button).x; - float width = ImMin(tab->ContentWidth, tab_max_width); - if (tab->Flags & ImGuiTabItemFlags_Leading) - tab_bar->LeadingSection.Width += width + (tab_n > 0 ? g.Style.ItemInnerSpacing.x : 0.0f); - else if (tab->Flags & ImGuiTabItemFlags_Trailing) - tab_bar->TrailingSection.Width += width + (tab_n > tab_bar->LeadingSection.TabCount + tab_bar->CentralSection.TabCount ? g.Style.ItemInnerSpacing.x : 0.0f); - else - tab_bar->CentralSection.Width += width + (tab_n > tab_bar->LeadingSection.TabCount ? g.Style.ItemInnerSpacing.x : 0.0f); + int section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1; + ImGuiTabBarSection* section = &tab_bar->Sections[section_n]; + float width = ImMin(tab->ContentWidth, tab_max_width) + (tab_n > section->TabStartIndex) ? g.Style.ItemInnerSpacing.x : 0.0f; + section->Width = section->WidthIdeal = section->Width + width; - g.ShrinkWidthBuffer[tab_n].Index = tab_n; // Store data so we can build an array sorted by width if we need to shrink tabs down + // Store data so we can build an array sorted by width if we need to shrink tabs down + g.ShrinkWidthBuffer[tab_n].Index = tab_n; g.ShrinkWidthBuffer[tab_n].Width = tab->ContentWidth; IM_ASSERT(width > 0.0f); tab->Width = width; } - tab_bar->LeadingSection.WidthIdeal = tab_bar->LeadingSection.Width; - tab_bar->CentralSection.WidthIdeal = tab_bar->CentralSection.Width; - tab_bar->TrailingSection.WidthIdeal = tab_bar->TrailingSection.Width; // We want to know here if we'll need the scrolling buttons, to adjust available width with resizable leading/trailing bool scrolling_buttons = (tab_bar->WidthAllTabsIdeal > tab_bar->BarRect.GetWidth() && tab_bar->Tabs.Size > 1) && !(tab_bar->Flags & ImGuiTabBarFlags_NoTabListScrollingButtons) && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll); @@ -7090,16 +7082,25 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) TabBarLayoutComputeTabsWidth(tab_bar, scrolling_buttons, scrolling_buttons_width); // Layout all active tabs - tab_bar->WidthAllTabs = tab_bar->WidthAllTabsIdeal = 0.0f; float next_tab_offset = 0.0f; + tab_bar->WidthAllTabs = tab_bar->WidthAllTabsIdeal = 0.0f; + for (int section_n = 0; section_n < 3; section_n++) + { + // TabBarScrollingButtons will alter BarRect.Max.x, so we need to anticipate BarRect width reduction + ImGuiTabBarSection* section = &tab_bar->Sections[section_n]; + if (section_n == 2) + next_tab_offset = ImMin(tab_bar->BarRect.GetWidth() - section->Width - (scrolling_buttons ? scrolling_buttons_width + 1.0f : 0.0f), next_tab_offset); - // TabBarLayoutActiveTabsForSection will also alter tab_bar->WidthAllTabs and WidthAllTabsIdeal - next_tab_offset = TabBarLayoutActiveTabsForSection(tab_bar, &tab_bar->LeadingSection, next_tab_offset); // Leading Section - next_tab_offset = TabBarLayoutActiveTabsForSection(tab_bar, &tab_bar->CentralSection, next_tab_offset); // Central Section - - // TabBarScrollingButtons will alter BarRect.Max.x, so we need to anticipate BarRect width reduction - next_tab_offset = ImMin(tab_bar->BarRect.GetWidth() - tab_bar->TrailingSection.Width - (scrolling_buttons ? scrolling_buttons_width + 1.0f : 0.0f), next_tab_offset); - TabBarLayoutActiveTabsForSection(tab_bar, &tab_bar->TrailingSection, next_tab_offset); // Trailing Section + for (int tab_n = 0; tab_n < section->TabCount; tab_n++) + { + ImGuiTabItem* tab = &tab_bar->Tabs[section->TabStartIndex + tab_n]; + tab->Offset = next_tab_offset; + next_tab_offset += tab->Width + (tab_n < section->TabCount - 1 ? g.Style.ItemInnerSpacing.x : 0.0f); + } + tab_bar->WidthAllTabs += ImMax(section->Width + section->InnerSpacing, 0.0f); + tab_bar->WidthAllTabsIdeal += ImMax(section->WidthIdeal + section->InnerSpacing, 0.0f); + next_tab_offset += section->InnerSpacing; + } // Horizontal scrolling buttons if (scrolling_buttons) @@ -7153,8 +7154,8 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) #ifdef IMGUI_ENABLE_TEST_ENGINE if (g.IO.KeyAlt) { - window->DrawList->AddRect(tab_bar->BarRect.Min, ImVec2(tab_bar->BarRect.Min.x + tab_bar->LeadingSection.Width, tab_bar->BarRect.Max.y), IM_COL32(255, 0, 0, 255)); - window->DrawList->AddRect(ImVec2(tab_bar->BarRect.Max.x - tab_bar->TrailingSection.Width, tab_bar->BarRect.Min.y), tab_bar->BarRect.Max, IM_COL32(255, 255, 0, 255)); + window->DrawList->AddRect(tab_bar->BarRect.Min, ImVec2(tab_bar->BarRect.Min.x + tab_bar->Sections[0].Width, tab_bar->BarRect.Max.y), IM_COL32(255, 0, 0, 255)); + window->DrawList->AddRect(ImVec2(tab_bar->BarRect.Max.x - tab_bar->Sections[2].Width, tab_bar->BarRect.Min.y), tab_bar->BarRect.Max, IM_COL32(255, 255, 0, 255)); } #endif } @@ -7164,26 +7165,26 @@ static void ImGui::TabBarLayoutComputeTabsWidth(ImGuiTabBar* tab_bar, bool scrol ImGuiContext& g = *GImGui; // Compute Leading/Trailing relative additional horizontal inner spacing - float leading_trailing_common_inner_space = (tab_bar->LeadingSection.TabCount > 0 && tab_bar->TrailingSection.TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f); - bool resizing_leading_trailing_only = (tab_bar->LeadingSection.Width + tab_bar->TrailingSection.Width + leading_trailing_common_inner_space) > (tab_bar->BarRect.GetWidth() - (scrolling_buttons ? scrolling_buttons_width : 0.0f)); + float leading_trailing_common_inner_space = (tab_bar->Sections[0].TabCount > 0 && tab_bar->Sections[2].TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f); + bool resizing_leading_trailing_only = (tab_bar->Sections[0].Width + tab_bar->Sections[2].Width + leading_trailing_common_inner_space) > (tab_bar->BarRect.GetWidth() - (scrolling_buttons ? scrolling_buttons_width : 0.0f)); - tab_bar->LeadingSection.InnerSpacing = tab_bar->LeadingSection.TabCount > 0 && (tab_bar->CentralSection.TabCount + tab_bar->TrailingSection.TabCount) > 0 ? g.Style.ItemInnerSpacing.x : 0.0f; - tab_bar->CentralSection.InnerSpacing = tab_bar->CentralSection.TabCount > 0 && tab_bar->TrailingSection.TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f; - tab_bar->TrailingSection.InnerSpacing = 0.0f; + tab_bar->Sections[0].InnerSpacing = tab_bar->Sections[0].TabCount > 0 && (tab_bar->Sections[1].TabCount + tab_bar->Sections[2].TabCount) > 0 ? g.Style.ItemInnerSpacing.x : 0.0f; + tab_bar->Sections[1].InnerSpacing = tab_bar->Sections[1].TabCount > 0 && tab_bar->Sections[2].TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f; + tab_bar->Sections[2].InnerSpacing = 0.0f; // Compute width float width_excess = resizing_leading_trailing_only - ? (tab_bar->LeadingSection.Width + tab_bar->TrailingSection.Width + leading_trailing_common_inner_space) - (tab_bar->BarRect.GetWidth() - (scrolling_buttons ? scrolling_buttons_width : 0.0f)) - : ImMax(tab_bar->CentralSection.Width + tab_bar->CentralSection.InnerSpacing - (tab_bar->BarRect.GetWidth() - tab_bar->LeadingSection.Width - tab_bar->LeadingSection.InnerSpacing - tab_bar->TrailingSection.Width - tab_bar->TrailingSection.InnerSpacing), 0.0f); + ? (tab_bar->Sections[0].Width + tab_bar->Sections[2].Width + leading_trailing_common_inner_space) - (tab_bar->BarRect.GetWidth() - (scrolling_buttons ? scrolling_buttons_width : 0.0f)) + : ImMax(tab_bar->Sections[1].Width + tab_bar->Sections[1].InnerSpacing - (tab_bar->BarRect.GetWidth() - tab_bar->Sections[0].Width - tab_bar->Sections[0].InnerSpacing - tab_bar->Sections[2].Width - tab_bar->Sections[2].InnerSpacing), 0.0f); if (width_excess > 0.0f && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyResizeDown) || resizing_leading_trailing_only) { // All tabs are in the ShrinkWidthBuffer, but we will only resize leading/trailing or central tabs, so rearrange internal data if (resizing_leading_trailing_only) - memmove(g.ShrinkWidthBuffer.Data + tab_bar->LeadingSection.TabCount, g.ShrinkWidthBuffer.Data + tab_bar->LeadingSection.TabCount + tab_bar->CentralSection.TabCount, sizeof(ImGuiShrinkWidthItem) * tab_bar->TrailingSection.TabCount); + memmove(g.ShrinkWidthBuffer.Data + tab_bar->Sections[0].TabCount, g.ShrinkWidthBuffer.Data + tab_bar->Sections[0].TabCount + tab_bar->Sections[1].TabCount, sizeof(ImGuiShrinkWidthItem) * tab_bar->Sections[2].TabCount); else - memmove(g.ShrinkWidthBuffer.Data, g.ShrinkWidthBuffer.Data + tab_bar->LeadingSection.TabCount, sizeof(ImGuiShrinkWidthItem) * tab_bar->CentralSection.TabCount); - int tab_n_shrinkable = (resizing_leading_trailing_only ? tab_bar->LeadingSection.TabCount + tab_bar->TrailingSection.TabCount : tab_bar->CentralSection.TabCount); + memmove(g.ShrinkWidthBuffer.Data, g.ShrinkWidthBuffer.Data + tab_bar->Sections[0].TabCount, sizeof(ImGuiShrinkWidthItem) * tab_bar->Sections[1].TabCount); + int tab_n_shrinkable = (resizing_leading_trailing_only ? tab_bar->Sections[0].TabCount + tab_bar->Sections[2].TabCount : tab_bar->Sections[1].TabCount); ShrinkWidths(g.ShrinkWidthBuffer.Data, tab_n_shrinkable, width_excess); @@ -7205,32 +7206,16 @@ static void ImGui::TabBarLayoutComputeTabsWidth(ImGuiTabBar* tab_bar, bool scrol if (resizing_leading_trailing_only) { - tab_bar->LeadingSection.Width -= leading_excess; - tab_bar->TrailingSection.Width -= trailing_excess; + tab_bar->Sections[0].Width -= leading_excess; + tab_bar->Sections[2].Width -= trailing_excess; } else { - tab_bar->CentralSection.Width -= width_excess; + tab_bar->Sections[1].Width -= width_excess; } } } -static float ImGui::TabBarLayoutActiveTabsForSection(ImGuiTabBar* tab_bar, TabBarLayoutSection* section, float next_tab_offset) -{ - ImGuiContext& g = *GImGui; - - for(int i = 0; i < section->TabCount; ++i) - { - ImGuiTabItem* tab = section->Tabs + i; - tab->Offset = next_tab_offset; - next_tab_offset += tab->Width + (i < section->TabCount - 1 ? g.Style.ItemInnerSpacing.x : 0.0f); - } - tab_bar->WidthAllTabs += ImMax(section->Width + section->InnerSpacing, 0.0f); - tab_bar->WidthAllTabsIdeal += ImMax(section->WidthIdeal + section->InnerSpacing, 0.0f); - - return next_tab_offset + section->InnerSpacing; -} - // Dockables uses Name/ID in the global namespace. Non-dockable items use the ID stack. static ImU32 ImGui::TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label) { @@ -7311,11 +7296,11 @@ static void ImGui::TabBarScrollToTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab) int order = tab_bar->GetTabOrder(tab); // Scrolling happens only in the central section (leading/trailing sections are not scrolling) - float scrollable_width = tab_bar->BarRect.GetWidth() - tab_bar->LeadingSection.Width - tab_bar->TrailingSection.Width - tab_bar->CentralSection.InnerSpacing; + float scrollable_width = tab_bar->BarRect.GetWidth() - tab_bar->Sections[0].Width - tab_bar->Sections[2].Width - tab_bar->Sections[1].InnerSpacing; - // We make all tabs positions all relative LeadingSection.Width to make code simpler - float tab_x1 = tab->Offset - tab_bar->LeadingSection.Width + (order > tab_bar->LeadingSection.TabCount - 1 ? -margin : 0.0f); - float tab_x2 = tab->Offset - tab_bar->LeadingSection.Width + tab->Width + (order + 1 < tab_bar->Tabs.Size - tab_bar->TrailingSection.TabCount ? margin : 1.0f); + // We make all tabs positions all relative Sections[0].Width to make code simpler + float tab_x1 = tab->Offset - tab_bar->Sections[0].Width + (order > tab_bar->Sections[0].TabCount - 1 ? -margin : 0.0f); + float tab_x2 = tab->Offset - tab_bar->Sections[0].Width + tab->Width + (order + 1 < tab_bar->Tabs.Size - tab_bar->Sections[2].TabCount ? margin : 1.0f); tab_bar->ScrollingTargetDistToVisibility = 0.0f; if (tab_bar->ScrollingTarget > tab_x1 || (tab_x2 - tab_x1 >= scrollable_width)) { @@ -7650,9 +7635,9 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, // We don't have CPU clipping primitives to clip the CloseButton (until it becomes a texture), so need to add an extra draw call (temporary in the case of vertical animation) // Leading buttons will be clipped by BarRect.Max.x, Trailing buttons will be clipped at BarRect.Min.x + LeadingsWidth (+ spacing if there are some buttons), and central tabs will be clipped inbetween - float offset_trailing = (flags & (ImGuiTabItemFlags_Trailing | ImGuiTabItemFlags_Leading)) ? 0.0f : tab_bar->TrailingSection.Width + tab_bar->CentralSection.InnerSpacing; - float offset_leading = (flags & ImGuiTabItemFlags_Leading) ? 0.0f : tab_bar->LeadingSection.Width + tab_bar->LeadingSection.InnerSpacing; - bool want_clip_rect = (bb.Min.x < tab_bar->BarRect.Min.x + offset_leading) || (bb.Max.x + offset_trailing > tab_bar->BarRect.Max.x); + float offset_trailing = (flags & (ImGuiTabItemFlags_Trailing | ImGuiTabItemFlags_Leading)) ? 0.0f : tab_bar->Sections[2].Width + tab_bar->Sections[1].InnerSpacing; + float offset_leading = (flags & ImGuiTabItemFlags_Leading) ? 0.0f : tab_bar->Sections[0].Width + tab_bar->Sections[0].InnerSpacing; + bool want_clip_rect = (bb.Min.x < tab_bar->BarRect.Min.x + offset_leading) || (bb.Max.x > tab_bar->BarRect.Max.x - offset_trailing); if (want_clip_rect) PushClipRect(ImVec2(ImMax(bb.Min.x, tab_bar->BarRect.Min.x + offset_leading), bb.Min.y - 1), ImVec2(tab_bar->BarRect.Max.x - offset_trailing, bb.Max.y), true);