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Tab Bar: Various fixes. Tried to reduce code complexity. (#3291)
This commit is contained in:
Louis Schnellbach
ocornut
parent
5e5f25e2dd
commit
3422cb1308
@ -65,9 +65,9 @@ Other Changes:
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- InputText: Fixed minor scrolling glitch when erasing trailing lines in InputTextMultiline().
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- InputText: Fixed cursor being partially covered after using Ctrl+End key.
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- InputText: Fixed callback's helper DeleteChars() function when cursor is inside the deleted block. (#3454)
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- InputText: Made pressing Down arrow on the last line when it doesn't have a carriage return not move to the end
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of the line (so it is consistent with Up arrow, and behave same as Notepad and Visual Studio. Note that some
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other text editors instead would move the crusor to the end of the line). [@Xipiryon]
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- InputText: Made pressing Down arrow on the last line when it doesn't have a carriage return not move to
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the end of the line (so it is consistent with Up arrow, and behave same as Notepad and Visual Studio.
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Note that some other text editors instead would move the crusor to the end of the line). [@Xipiryon]
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- DragFloat, DragScalar: Fixed ImGuiSliderFlags_ClampOnInput not being honored in the special case
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where v_min == v_max. (#3361)
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- SliderInt, SliderScalar: Fixed reaching of maximum value with inverted integer min/max ranges, both
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@ -80,17 +80,17 @@ Other Changes:
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rather than the Mouse Down+Up sequence, even if the _OpenOnArrow flag isn't set. This is standard behavior
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and amends the change done in 1.76 which only affected cases were _OpenOnArrow flag was set.
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(This is also necessary to support full multi/range-select/drag and drop operations.)
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- Tab Bar: Added TabItemButton() to submit tab that behave like a button. (#3291) [@Xipiryon]
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- Tab Bar: Added ImGuiTabItemFlags_Leading and ImGuiTabItemFlags_Trailing flags to position tabs or button
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at either end of the tab bar. Those tabs won't be part of the scrolling region, and when reordering cannot
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be moving outside of their section. Most often used with TabItemButton(). (#3291) [@Xipiryon]
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- Tab Bar: Added ImGuiTabItemFlags_NoReorder flag to disable reordering a given tab.
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- Tab Bar: Keep tab item close button visible while dragging a tab (independent of hovering state).
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- Tab Bar: Fixed a small bug where closing a tab that is not selected would leave a tab hole for a frame.
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- Tab Bar: Fixed a small bug where scrolling buttons (with ImGuiTabBarFlags_FittingPolicyScroll) would
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generate an unnecessary extra draw call.
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- Tab Bar: Fixed a small bug where toggling a tab bar from Reorderable to not Reorderable would leave
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tabs reordered in the tab list popup. [@Xipiryon]
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- Tab Bar: Added TabItemButton() to submit tab that behave like a button. (#3291) [@Xipiryon]
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- Tab Bar: Added ImGuiTabItemFlags_Leading and ImGuiTabItemFlags_Trailing flags to position tabs or button at
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either end of the tab bar. Those tabs won't be part of the scrolling region, won't shrink down, and when
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reordering cannot be moving outside of their section. Most often used with TabItemButton(). (#3291) [@Xipiryon]
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- Tab Bar: Added ImGuiTabItemFlags_NoReorder flag to disable reordering a given tab.
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- Columns: Fix inverted ClipRect being passed to renderer when using certain primitives inside of
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a fully clipped column. (#3475) [@szreder]
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- Popups, Tooltips: Fix edge cases issues with positionning popups and tooltips when they are larger than
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4
imgui.h
4
imgui.h
@ -957,8 +957,8 @@ enum ImGuiTabItemFlags_
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ImGuiTabItemFlags_NoPushId = 1 << 3, // Don't call PushID(tab->ID)/PopID() on BeginTabItem()/EndTabItem()
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ImGuiTabItemFlags_NoTooltip = 1 << 4, // Disable tooltip for the given tab
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ImGuiTabItemFlags_NoReorder = 1 << 5, // Disable reordering this tab or having another tab cross over this tab
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ImGuiTabItemFlags_Leading = 1 << 6, // Enforce the tab position to the left of the tab bar (after the tab list popup button) and disable resizing down
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ImGuiTabItemFlags_Trailing = 1 << 7 // Enforce the tab position to the right of the tab bar (before the scrolling buttons) and disable resizing down
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ImGuiTabItemFlags_Leading = 1 << 6, // Enforce the tab position to the left of the tab bar (after the tab list popup button)
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ImGuiTabItemFlags_Trailing = 1 << 7 // Enforce the tab position to the right of the tab bar (before the scrolling buttons)
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};
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// Flags for ImGui::IsWindowFocused()
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@ -1704,7 +1704,7 @@ enum ImGuiTabBarFlagsPrivate_
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enum ImGuiTabItemFlagsPrivate_
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{
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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)
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ImGuiTabItemFlags_Button = 1 << 21 // [Internal] Used by TabItemButton, change the tab item behavior to mimic a button
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ImGuiTabItemFlags_Button = 1 << 21 // Used by TabItemButton, change the tab item behavior to mimic a button
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};
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// Storage for one active tab item (sizeof() 28~32 bytes)
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@ -1732,6 +1732,7 @@ struct ImGuiTabBarSection
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float Width;
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float WidthIdeal;
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float InnerSpacing; // Horizontal ItemInnerSpacing, used by Leading/Trailing section, to correctly offset from Central section
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float WidthWithSpacing() const { return Width + InnerSpacing; }
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ImGuiTabBarSection(){ memset(this, 0, sizeof(*this)); }
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};
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@ -1761,6 +1762,7 @@ struct ImGuiTabBar
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bool WantLayout;
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bool VisibleTabWasSubmitted;
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short LastTabItemIdx; // Index of last BeginTabItem() tab for use by EndTabItem()
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bool TabsAddedNew; // Set to true when a new tab item or button has been added to the tab bar during last frame
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ImVec2 FramePadding; // style.FramePadding locked at the time of BeginTabBar()
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ImGuiTextBuffer TabsNames; // For non-docking tab bar we re-append names in a contiguous buffer.
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@ -6785,7 +6785,6 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool* p_selected,
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// - BeginTabBarEx() [Internal]
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// - EndTabBar()
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// - TabBarLayout() [Internal]
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// - TabBarLayoutComputeTabsWidth() [Internal]
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// - TabBarCalcTabID() [Internal]
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// - TabBarCalcMaxTabWidth() [Internal]
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// - TabBarFindTabById() [Internal]
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@ -6801,7 +6800,6 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool* p_selected,
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namespace ImGui
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{
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static void TabBarLayout(ImGuiTabBar* tab_bar);
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static void TabBarLayoutComputeTabsWidth(ImGuiTabBar* tab_bar, bool scrolling_buttons, float scrolling_buttons_width);
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static ImU32 TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label);
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static float TabBarCalcMaxTabWidth();
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static float TabBarScrollClamp(ImGuiTabBar* tab_bar, float scrolling);
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@ -6824,6 +6822,7 @@ ImGuiTabBar::ImGuiTabBar()
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TabsActiveCount = 0;
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WantLayout = VisibleTabWasSubmitted = false;
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LastTabItemIdx = -1;
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TabsAddedNew = false;
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}
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static int IMGUI_CDECL TabItemComparerBySection(const void* lhs, const void* rhs)
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@ -6899,9 +6898,11 @@ bool ImGui::BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& tab_bar_bb, ImG
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return true;
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}
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// When toggling ImGuiTabBarFlags_Reorderable flag, ensure tabs are ordered based on their submission order.
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if ((flags & ImGuiTabBarFlags_Reorderable) != (tab_bar->Flags & ImGuiTabBarFlags_Reorderable) && tab_bar->Tabs.Size > 1)
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ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerByBeginOrder);
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// When toggling ImGuiTabBarFlags_Reorderable flag, or when a new tab was added while being not reorderable, ensure tabs are ordered based on their submission order.
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if (((flags & ImGuiTabBarFlags_Reorderable) != (tab_bar->Flags & ImGuiTabBarFlags_Reorderable)) || tab_bar->TabsAddedNew)
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if (tab_bar->Tabs.Size > 1)
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ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerByBeginOrder);
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tab_bar->TabsAddedNew = false;
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// Flags
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if ((flags & ImGuiTabBarFlags_FittingPolicyMask_) == 0)
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@ -6992,6 +6993,8 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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int curr_tab_section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
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int prev_tab_section_n = (prev_tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (prev_tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
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// We will need sorting if either current tab is leading (section_n == 0), but not the previous one,
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// or if the current is not trailing (section_n == 2), but the previous one is.
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if (tab_dst_n > 0 && curr_tab_section_n == 0 && prev_tab_section_n != 0)
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need_sort_trailing_or_leading = true;
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if (tab_dst_n > 0 && prev_tab_section_n == 2 && curr_tab_section_n != 2)
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@ -7011,6 +7014,10 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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tab_bar->Sections[1].TabStartIndex = tab_bar->Sections[0].TabStartIndex + tab_bar->Sections[0].TabCount;
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tab_bar->Sections[2].TabStartIndex = tab_bar->Sections[1].TabStartIndex + tab_bar->Sections[1].TabCount;
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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;
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tab_bar->Sections[1].InnerSpacing = tab_bar->Sections[1].TabCount > 0 && tab_bar->Sections[2].TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f;
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tab_bar->Sections[2].InnerSpacing = 0.0f;
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// Setup next selected tab
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ImGuiID scroll_track_selected_tab_id = 0;
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if (tab_bar->NextSelectedTabId)
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@ -7040,6 +7047,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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// Compute ideal widths
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tab_bar->Sections[0].Width = tab_bar->Sections[1].Width = tab_bar->Sections[2].Width = 0.0f;
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tab_bar->Sections[0].WidthIdeal = tab_bar->Sections[1].WidthIdeal = tab_bar->Sections[2].WidthIdeal = 0.0f;
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const float tab_max_width = TabBarCalcMaxTabWidth();
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ImGuiTabItem* most_recently_selected_tab = NULL;
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@ -7065,8 +7073,8 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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int section_n = (tab->Flags & ImGuiTabItemFlags_Leading) ? 0 : (tab->Flags & ImGuiTabItemFlags_Trailing) ? 2 : 1;
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ImGuiTabBarSection* section = &tab_bar->Sections[section_n];
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float width = ImMin(tab->ContentWidth, tab_max_width) + (tab_n > section->TabStartIndex) ? g.Style.ItemInnerSpacing.x : 0.0f;
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section->Width = section->WidthIdeal = section->Width + width;
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float width = ImMin(tab->ContentWidth, tab_max_width);
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section->Width = section->WidthIdeal = section->Width + width + (tab_n > section->TabStartIndex ? g.Style.ItemInnerSpacing.x : 0.0f);
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// Store data so we can build an array sorted by width if we need to shrink tabs down
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g.ShrinkWidthBuffer[tab_n].Index = tab_n;
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@ -7076,14 +7084,46 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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tab->Width = width;
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}
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tab_bar->WidthAllTabsIdeal = 0.0f;
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for (int section_n = 0; section_n < 3; section_n++)
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tab_bar->WidthAllTabsIdeal += tab_bar->Sections[section_n].WidthIdeal + tab_bar->Sections[section_n].InnerSpacing;
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// We want to know here if we'll need the scrolling buttons, to adjust available width with resizable leading/trailing
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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);
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float scrolling_buttons_width = GetTabBarScrollingButtonSize().x * 2.0f;
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TabBarLayoutComputeTabsWidth(tab_bar, scrolling_buttons, scrolling_buttons_width);
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// Compute width
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bool central_section_is_visible = tab_bar->Sections[0].WidthWithSpacing() + tab_bar->Sections[2].WidthWithSpacing() < tab_bar->BarRect.GetWidth() - (scrolling_buttons ? scrolling_buttons_width : 0.0f);
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float width_excess = central_section_is_visible
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? ImMax(tab_bar->Sections[1].WidthWithSpacing() - (tab_bar->BarRect.GetWidth() - tab_bar->Sections[0].WidthWithSpacing() - tab_bar->Sections[2].WidthWithSpacing()), 0.0f)
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: (tab_bar->Sections[0].WidthWithSpacing() + tab_bar->Sections[2].WidthWithSpacing()) - (tab_bar->BarRect.GetWidth() - (scrolling_buttons ? scrolling_buttons_width : 0.0f));
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if (width_excess > 0.0f && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyResizeDown || !central_section_is_visible))
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{
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// All tabs are in the ShrinkWidthBuffer, but we will only resize leading/trailing or central tabs, so rearrange internal data
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if (central_section_is_visible)
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memmove(g.ShrinkWidthBuffer.Data, g.ShrinkWidthBuffer.Data + tab_bar->Sections[0].TabCount, sizeof(ImGuiShrinkWidthItem) * tab_bar->Sections[1].TabCount); // Move central section tabs
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else
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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); // Replace central section tabs with trailing
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int tab_n_shrinkable = (central_section_is_visible ? tab_bar->Sections[1].TabCount : tab_bar->Sections[0].TabCount + tab_bar->Sections[2].TabCount);
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ShrinkWidths(g.ShrinkWidthBuffer.Data, tab_n_shrinkable, width_excess);
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// Update each section width with shrink values
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for (int tab_n = 0; tab_n < tab_n_shrinkable; tab_n++)
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{
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float shrinked_width = IM_FLOOR(g.ShrinkWidthBuffer[tab_n].Width);
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ImGuiTabItem* tab = &tab_bar->Tabs[g.ShrinkWidthBuffer[tab_n].Index];
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int section_n = tab->Flags & ImGuiTabItemFlags_Leading ? 0 : tab->Flags & ImGuiTabItemFlags_Trailing ? 2 : 1;
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tab_bar->Sections[section_n].Width -= (tab->Width - shrinked_width);
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tab->Width = shrinked_width;
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}
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}
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// Layout all active tabs
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float next_tab_offset = 0.0f;
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tab_bar->WidthAllTabs = tab_bar->WidthAllTabsIdeal = 0.0f;
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tab_bar->WidthAllTabs = 0.0f;
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for (int section_n = 0; section_n < 3; section_n++)
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{
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// TabBarScrollingButtons will alter BarRect.Max.x, so we need to anticipate BarRect width reduction
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@ -7097,8 +7137,7 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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tab->Offset = next_tab_offset;
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next_tab_offset += tab->Width + (tab_n < section->TabCount - 1 ? g.Style.ItemInnerSpacing.x : 0.0f);
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}
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tab_bar->WidthAllTabs += ImMax(section->Width + section->InnerSpacing, 0.0f);
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tab_bar->WidthAllTabsIdeal += ImMax(section->WidthIdeal + section->InnerSpacing, 0.0f);
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tab_bar->WidthAllTabs += ImMax(section->WidthWithSpacing(), 0.0f);
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next_tab_offset += section->InnerSpacing;
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}
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@ -7150,70 +7189,6 @@ static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar)
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ImGuiWindow* window = g.CurrentWindow;
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window->DC.CursorPos = tab_bar->BarRect.Min;
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ItemSize(ImVec2(tab_bar->WidthAllTabsIdeal, tab_bar->BarRect.GetHeight()), tab_bar->FramePadding.y);
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#ifdef IMGUI_ENABLE_TEST_ENGINE
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if (g.IO.KeyAlt)
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{
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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));
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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));
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}
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#endif
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}
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static void ImGui::TabBarLayoutComputeTabsWidth(ImGuiTabBar* tab_bar, bool scrolling_buttons, float scrolling_buttons_width)
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{
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ImGuiContext& g = *GImGui;
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// Compute Leading/Trailing relative additional horizontal inner spacing
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float leading_trailing_common_inner_space = (tab_bar->Sections[0].TabCount > 0 && tab_bar->Sections[2].TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f);
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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));
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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;
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tab_bar->Sections[1].InnerSpacing = tab_bar->Sections[1].TabCount > 0 && tab_bar->Sections[2].TabCount > 0 ? g.Style.ItemInnerSpacing.x : 0.0f;
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tab_bar->Sections[2].InnerSpacing = 0.0f;
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// Compute width
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float width_excess = resizing_leading_trailing_only
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? (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))
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: 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);
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if (width_excess > 0.0f && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyResizeDown) || resizing_leading_trailing_only)
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{
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// All tabs are in the ShrinkWidthBuffer, but we will only resize leading/trailing or central tabs, so rearrange internal data
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if (resizing_leading_trailing_only)
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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);
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else
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memmove(g.ShrinkWidthBuffer.Data, g.ShrinkWidthBuffer.Data + tab_bar->Sections[0].TabCount, sizeof(ImGuiShrinkWidthItem) * tab_bar->Sections[1].TabCount);
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int tab_n_shrinkable = (resizing_leading_trailing_only ? tab_bar->Sections[0].TabCount + tab_bar->Sections[2].TabCount : tab_bar->Sections[1].TabCount);
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ShrinkWidths(g.ShrinkWidthBuffer.Data, tab_n_shrinkable, width_excess);
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// Total Leading and Trailing shrink values can be different, we need to keep track of how much each section was shrinked
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float leading_excess = 0.0f;
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float trailing_excess = 0.0f;
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for (int tab_n = 0; tab_n < tab_n_shrinkable; tab_n++)
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{
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float shrinked_width = IM_FLOOR(g.ShrinkWidthBuffer[tab_n].Width);
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ImGuiTabItem* tab = &tab_bar->Tabs[g.ShrinkWidthBuffer[tab_n].Index];
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if (tab->Flags & ImGuiTabItemFlags_Leading)
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leading_excess += (tab->Width - shrinked_width);
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else if (tab->Flags & ImGuiTabItemFlags_Trailing)
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trailing_excess += (tab->Width - shrinked_width);
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tab->Width = shrinked_width;
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}
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if (resizing_leading_trailing_only)
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{
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tab_bar->Sections[0].Width -= leading_excess;
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tab_bar->Sections[2].Width -= trailing_excess;
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}
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else
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{
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tab_bar->Sections[1].Width -= width_excess;
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}
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}
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}
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// Dockables uses Name/ID in the global namespace. Non-dockable items use the ID stack.
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@ -7407,7 +7382,6 @@ static ImGuiTabItem* ImGui::TabBarScrollingButtons(ImGuiTabBar* tab_bar)
|
||||
}
|
||||
}
|
||||
window->DC.CursorPos = backup_cursor_pos;
|
||||
|
||||
tab_bar->BarRect.Max.x -= scrolling_buttons_width + 1.0f;
|
||||
|
||||
return tab_to_scroll_to;
|
||||
@ -7569,7 +7543,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
|
||||
tab = &tab_bar->Tabs.back();
|
||||
tab->ID = id;
|
||||
tab->Width = size.x;
|
||||
tab_is_new = true;
|
||||
tab_bar->TabsAddedNew = tab_is_new = true;
|
||||
}
|
||||
tab_bar->LastTabItemIdx = (short)tab_bar->Tabs.index_from_ptr(tab);
|
||||
tab->ContentWidth = size.x;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user