Tab Bar: Fixed handling of scrolling policy with leading/trailing tabs. + warning fixes + bunch of renaming. (#3291)
Demo tweaks.
diff --git a/imgui.cpp b/imgui.cpp
index ec107ae..427fffc 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -10559,6 +10559,15 @@
if (!is_active) { PushStyleColor(ImGuiCol_Text, GetStyleColorVec4(ImGuiCol_TextDisabled)); }
bool open = ImGui::TreeNode(tab_bar, "%s", buf);
if (!is_active) { PopStyleColor(); }
+ if (is_active && ImGui::IsItemHovered())
+ {
+ 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->WidthLeading > 0.0f)
+ draw_list->AddLine(ImVec2(tab_bar->BarRect.Min.x + tab_bar->WidthLeading, tab_bar->BarRect.Min.y), ImVec2(tab_bar->BarRect.Min.x + tab_bar->WidthLeading, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255));
+ if (tab_bar->WidthTrailing > 0.0f)
+ draw_list->AddLine(ImVec2(tab_bar->BarRect.Max.x - tab_bar->WidthTrailing, tab_bar->BarRect.Min.y), ImVec2(tab_bar->BarRect.Max.x - tab_bar->WidthTrailing, tab_bar->BarRect.Max.y), IM_COL32(0, 255, 0, 255));
+ }
if (open)
{
for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
@@ -10567,7 +10576,7 @@
ImGui::PushID(tab);
if (ImGui::SmallButton("<")) { TabBarQueueReorder(tab_bar, tab, -1); } ImGui::SameLine(0, 2);
if (ImGui::SmallButton(">")) { TabBarQueueReorder(tab_bar, tab, +1); } ImGui::SameLine();
- ImGui::Text("%02d%c Tab 0x%08X '%s'", tab_n, (tab->ID == tab_bar->SelectedTabId) ? '*' : ' ', tab->ID, (tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "");
+ ImGui::Text("%02d%c Tab 0x%08X '%s' Offset: %.1f, Width: %.1f/%.1f", tab_n, (tab->ID == tab_bar->SelectedTabId) ? '*' : ' ', tab->ID, (tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : "", tab->Offset, tab->Width, tab->ContentWidth);
ImGui::PopID();
}
ImGui::TreePop();
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 42a3bf3..3cc153c 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -2355,16 +2355,15 @@
ImGui::TreePop();
}
- if (ImGui::TreeNode("TabItem Button"))
+ if (ImGui::TreeNode("TabItemButton & Leading/Trailing flags"))
{
- static int next_id = 0;
- static ImVector<int> tabs_list;
- if (next_id == 0) // Initialize with a default tab
- for (int i = 0; i < 9; i++)
- tabs_list.push_back(next_id++);
+ static ImVector<int> active_tabs;
+ static int next_tab_id = 0;
+ if (next_tab_id == 0) // Initialize with some default tabs
+ for (int i = 0; i < 3; i++)
+ active_tabs.push_back(next_tab_id++);
static ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_Reorderable | ImGuiTabBarFlags_FittingPolicyResizeDown;
- ImGui::CheckboxFlags("ImGuiTabBarFlags_Reorderable", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_Reorderable);
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);
@@ -2375,63 +2374,40 @@
static bool show_trailing_button = true;
ImGui::Checkbox("Show Leading TabItemButton()", &show_leading_button);
ImGui::Checkbox("Show Trailing TabItemButton()", &show_trailing_button);
- static bool enable_position = false;
- ImGui::Checkbox("Enable Leading/Trailing TabItem()", &enable_position);
if (ImGui::BeginTabBar("MyTabBar", tab_bar_flags))
{
- if (show_leading_button)
+ // Demo Leading Tabs: click the "?" button to open a menu
+ // Note that it is possible to submit regular non-button tabs with Leading/Trailing flags,
+ // or Button without Leading/Trailing flags... but they tend to make more sense together.
+ if (show_leading_button && ImGui::TabItemButton("?", ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_NoTooltip))
+ ImGui::OpenPopup("MyHelpMenu");
+ if (ImGui::BeginPopup("MyHelpMenu"))
{
- if (ImGui::TabItemButton("+", ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_NoTooltip))
- tabs_list.push_back(next_id++);
- if (ImGui::IsItemHovered())
- ImGui::SetTooltip("Add a new TabItem() in the tab bar");
-
- // Popup Context also works with TabItemButton
- if (ImGui::BeginPopupContextItem())
- {
- ImGui::Text("I'm a popup!");
- if (ImGui::Button("Close"))
- ImGui::CloseCurrentPopup();
- ImGui::EndPopup();
- }
+ ImGui::Selectable("Hello!");
+ ImGui::EndPopup();
}
- bool close_current_tab = false;
- if (show_trailing_button)
- {
- if (ImGui::TabItemButton("X", ImGuiTabItemFlags_Trailing | ImGuiTabItemFlags_NoTooltip))
- close_current_tab = true;
- if (ImGui::IsItemHovered())
- ImGui::SetTooltip("Close the currently selected TabItem()");
- }
+ // Demo Trailing Tabs: click the "+" button to add a new tab (in your app you may want to use a font icon instead of the "+")
+ if (show_trailing_button && ImGui::TabItemButton("+", ImGuiTabItemFlags_Trailing | ImGuiTabItemFlags_NoTooltip))
+ active_tabs.push_back(next_tab_id++);
- for (int n = 0; n < tabs_list.Size; )
+ // Submit our regular tabs
+ for (int n = 0; n < active_tabs.Size; )
{
- int mod = tabs_list[n] % 3;
- ImGuiTabItemFlags flags = mod == 0 ? 0 : mod == 1 ? ImGuiTabItemFlags_Leading : ImGuiTabItemFlags_Trailing;
- if (!enable_position)
- flags = 0;
-
- char name[16];
- snprintf(name, IM_ARRAYSIZE(name), "%04d", tabs_list[n]);
bool open = true;
- if (ImGui::BeginTabItem(name, &open, flags))
+ char name[16];
+ snprintf(name, IM_ARRAYSIZE(name), "%04d", active_tabs[n]);
+ if (ImGui::BeginTabItem(name, &open, ImGuiTabItemFlags_None))
{
ImGui::Text("This is the %s tab!", name);
ImGui::EndTabItem();
-
- if (close_current_tab)
- {
- open = false;
- ImGui::SetTabItemClosed(name);
- }
}
if (!open)
- tabs_list.erase(tabs_list.Data + n);
+ active_tabs.erase(active_tabs.Data + n);
else
- ++n;
+ n++;
}
ImGui::EndTabBar();
diff --git a/imgui_internal.h b/imgui_internal.h
index 0563e7c..5a3d468 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1719,9 +1719,10 @@
float ContentWidth; // Width of actual contents, stored during BeginTabItem() call
ImS16 NameOffset; // When Window==NULL, offset to name within parent ImGuiTabBar::TabsNames
ImS8 BeginOrder; // BeginTabItem() order, used to re-order tabs after toggling ImGuiTabBarFlags_Reorderable
+ ImS8 IndexDuringLayout; // Index only used during TabBarLayout()
bool WantClose; // Marked as closed by SetTabItemClosed()
- ImGuiTabItem() { ID = 0; Flags = ImGuiTabItemFlags_None; LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; Offset = Width = ContentWidth = 0.0f; BeginOrder = -1; WantClose = false; }
+ ImGuiTabItem() { ID = 0; Flags = ImGuiTabItemFlags_None; LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; Offset = Width = ContentWidth = 0.0f; BeginOrder = -1; IndexDuringLayout = -1; WantClose = false; }
};
// Storage for a tab bar (sizeof() 92~96 bytes)
@@ -1738,8 +1739,8 @@
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 LeadingWidth; // Total width used by leading button
- float TrailingWidth; // Total width used by trailing button
+ float WidthLeading; // Total width used by leading button
+ float WidthTrailing; // Total width used by trailing button
float ScrollingAnim;
float ScrollingTarget;
float ScrollingTargetDistToVisibility;
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 7903102..35c4779 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -6815,7 +6815,7 @@
CurrFrameVisible = PrevFrameVisible = -1;
LastTabContentHeight = 0.0f;
WidthAllTabs = WidthAllTabsIdeal = 0.0f;
- LeadingWidth = TrailingWidth = 0.0f;
+ WidthLeading = WidthTrailing = 0.0f;
ScrollingAnim = ScrollingTarget = ScrollingTargetDistToVisibility = ScrollingSpeed = 0.0f;
Flags = ImGuiTabBarFlags_None;
ReorderRequestTabId = 0;
@@ -7015,11 +7015,15 @@
if (ImGuiTabItem* tab_to_select = TabBarTabListPopupButton(tab_bar)) // NB: Will alter BarRect.Min.x!
scroll_track_selected_tab_id = tab_bar->SelectedTabId = tab_to_select->ID;
+ // Reserve shrink buffer for maximum possible number of tabs (but tabs with Trailing/Leading won't shrink)
+ int tab_n_shrinkable = 0;
+ g.ShrinkWidthBuffer.resize(tab_bar->Tabs.Size);
+
// Compute ideal widths
- g.ShrinkWidthBuffer.resize(tab_bar->Tabs.Size); // Reserve for maximum possible number of tabs,
- int tab_n_shrinkable = 0; // ..but buttons won't shrink
- tab_bar->LeadingWidth = tab_bar->TrailingWidth = 0.0f;
- float width_total_contents = 0.0f;
+ float width_central = 0.0f;
+ tab_bar->WidthLeading = tab_bar->WidthTrailing = 0.0f;
+ const float tab_max_width = TabBarCalcMaxTabWidth();
+
ImGuiTabItem* most_recently_selected_tab = NULL;
bool found_selected_tab_id = false;
for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
@@ -7027,9 +7031,8 @@
ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
IM_ASSERT(tab->LastFrameVisible >= tab_bar->PrevFrameVisible);
- if (most_recently_selected_tab == NULL || most_recently_selected_tab->LastFrameSelected < tab->LastFrameSelected)
- if (!(tab->Flags & ImGuiTabItemFlags_Button))
- most_recently_selected_tab = tab;
+ if ((most_recently_selected_tab == NULL || most_recently_selected_tab->LastFrameSelected < tab->LastFrameSelected) && !(tab->Flags & ImGuiTabItemFlags_Button))
+ most_recently_selected_tab = tab;
if (tab->ID == tab_bar->SelectedTabId)
found_selected_tab_id = true;
@@ -7042,79 +7045,95 @@
float width = tab->ContentWidth;
if (tab->Flags & ImGuiTabItemFlags_Leading)
- tab_bar->LeadingWidth += width + g.Style.ItemInnerSpacing.x;
+ {
+ tab_bar->WidthLeading += width + g.Style.ItemInnerSpacing.x;
+ }
else if (tab->Flags & ImGuiTabItemFlags_Trailing)
- tab_bar->TrailingWidth += width + g.Style.ItemInnerSpacing.x;
+ {
+ tab_bar->WidthTrailing += width + g.Style.ItemInnerSpacing.x;
+ }
else
{
- width_total_contents += width + (tab_n_shrinkable > 0 ? g.Style.ItemInnerSpacing.x : 0.0f);
- // Store data so we can build an array sorted by width if we need to shrink tabs down
- g.ShrinkWidthBuffer[tab_n_shrinkable].Index = tab_n;
+ width = ImMin(tab->ContentWidth, tab_max_width);
+ width_central += width + (tab_n_shrinkable > 0 ? g.Style.ItemInnerSpacing.x : 0.0f);
+ g.ShrinkWidthBuffer[tab_n_shrinkable].Index = tab_n; // Store data so we can build an array sorted by width if we need to shrink tabs down
g.ShrinkWidthBuffer[tab_n_shrinkable].Width = tab->ContentWidth;
tab_n_shrinkable++;
}
+
+ IM_ASSERT(width > 0.0f);
+ tab->Width = width;
}
// Compute width
- const float width_avail = ImMax(tab_bar->BarRect.GetWidth() - tab_bar->LeadingWidth - tab_bar->TrailingWidth, 0.0f);
- float width_excess = (width_avail < width_total_contents) ? (width_total_contents - width_avail) : 0.0f;
+ const float width_avail = ImMax(tab_bar->BarRect.GetWidth() - tab_bar->WidthLeading - tab_bar->WidthTrailing, 0.0f);
+ float width_excess = (width_avail < width_central) ? (width_central - width_avail) : 0.0f;
if (width_excess > 0.0f && !(tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll))
{
// If we don't have enough room, resize down the largest tabs first
ShrinkWidths(g.ShrinkWidthBuffer.Data, tab_n_shrinkable, width_excess);
for (int tab_n = 0; tab_n < tab_n_shrinkable; tab_n++)
tab_bar->Tabs[g.ShrinkWidthBuffer[tab_n].Index].Width = IM_FLOOR(g.ShrinkWidthBuffer[tab_n].Width);
- }
- else
- {
- const float tab_max_width = TabBarCalcMaxTabWidth();
+ width_central -= width_excess;
+#if 0
+ width_central = (tab_bar->WidthLeading > 0.0f) ? -g.Style.ItemInnerSpacing.x : 0.0f;
for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
{
ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
- tab->Width = ImMin(tab->ContentWidth, tab_max_width);
- IM_ASSERT(tab->Width > 0.0f);
+ if ((tab->Flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)) == 0)
+ width_central += tab->Width + g.Style.ItemInnerSpacing.x;
}
+#endif
}
// Layout all active tabs
- float offset_x_button_leading = 0.0f;
- float offset_x_button_trailing = tab_bar->BarRect.GetWidth() - tab_bar->TrailingWidth + g.Style.ItemInnerSpacing.x;
- float offset_x_regular = tab_bar->LeadingWidth;
- float offset_x_ideal = offset_x_regular;
+ float offset_x_pos_leading = 0.0f;
+ float offset_x_pos_central = tab_bar->WidthLeading;
+#if 0
+ float offset_x_pos_trailing = tab_bar->BarRect.GetWidth() - tab_bar->WidthTrailing + g.Style.ItemInnerSpacing.x; // Right-most layout
+#else
+ float offset_x_pos_trailing = tab_bar->WidthLeading + width_central; // Trailing layout
+ if (offset_x_pos_trailing > 0.0f)
+ offset_x_pos_trailing += g.Style.ItemInnerSpacing.x;
+#endif
+
+ float width_ideal = tab_bar->WidthLeading;
for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++)
{
ImGuiTabItem* tab = &tab_bar->Tabs[tab_n];
float width = tab->Width + g.Style.ItemInnerSpacing.x;
if (tab->Flags & ImGuiTabItemFlags_Leading)
{
- tab->Offset = offset_x_button_leading;
- offset_x_button_leading += width;
+ tab->Offset = offset_x_pos_leading;
+ offset_x_pos_leading += width;
}
else if (tab->Flags & ImGuiTabItemFlags_Trailing)
{
- tab->Offset = offset_x_button_trailing;
- offset_x_button_trailing += width;
+ tab->Offset = offset_x_pos_trailing;
+ offset_x_pos_trailing += width;
}
else
{
- tab->Offset = offset_x_regular;
+ tab->Offset = offset_x_pos_central;
if (scroll_track_selected_tab_id == 0 && g.NavJustMovedToId == tab->ID)
scroll_track_selected_tab_id = tab->ID;
- offset_x_regular += width;
- offset_x_ideal += tab->ContentWidth + g.Style.ItemInnerSpacing.x;
+ offset_x_pos_central += width;
+ width_ideal += tab->ContentWidth + g.Style.ItemInnerSpacing.x;
}
}
- tab_bar->WidthAllTabs = ImMax(offset_x_regular - g.Style.ItemInnerSpacing.x + tab_bar->TrailingWidth, 0.0f);
- tab_bar->WidthAllTabsIdeal = ImMax(offset_x_ideal - g.Style.ItemInnerSpacing.x + tab_bar->TrailingWidth, 0.0f);
+ tab_bar->WidthAllTabs = ImMax(offset_x_pos_central - g.Style.ItemInnerSpacing.x + tab_bar->WidthTrailing, 0.0f);
+ tab_bar->WidthAllTabsIdeal = ImMax(width_ideal - g.Style.ItemInnerSpacing.x + tab_bar->WidthTrailing, 0.0f);
// Horizontal scrolling buttons
const bool scrolling_buttons = (tab_bar->WidthAllTabs > tab_bar->BarRect.GetWidth() && tab_bar->Tabs.Size > 1) && !(tab_bar->Flags & ImGuiTabBarFlags_NoTabListScrollingButtons) && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll);
if (scrolling_buttons)
if (ImGuiTabItem* scroll_track_selected_tab = TabBarScrollingButtons(tab_bar)) // NB: Will alter BarRect.Max.x and each trailing tab->Offset
+ {
if (scroll_track_selected_tab->Flags & ImGuiTabItemFlags_Button)
scroll_track_selected_tab_id = scroll_track_selected_tab->ID;
else
scroll_track_selected_tab_id = tab_bar->SelectedTabId = scroll_track_selected_tab->ID;
+ }
// If we have lost the selected tab, select the next most recently active one
if (found_selected_tab_id == false)
@@ -7154,9 +7173,6 @@
ImGuiWindow* window = g.CurrentWindow;
window->DC.CursorPos = tab_bar->BarRect.Min;
ItemSize(ImVec2(tab_bar->WidthAllTabsIdeal, tab_bar->BarRect.GetHeight()), tab_bar->FramePadding.y);
-
- window->DrawList->AddRect(tab_bar->BarRect.Min, tab_bar->BarRect.Min + ImVec2(tab_bar->LeadingWidth, tab_bar->BarRect.GetHeight()), IM_COL32(255, 0, 0, 255));
- window->DrawList->AddRect(tab_bar->BarRect.Max - ImVec2(tab_bar->TrailingWidth, tab_bar->BarRect.GetHeight()), tab_bar->BarRect.Max, IM_COL32(0, 255, 0, 255));
}
// Dockables uses Name/ID in the global namespace. Non-dockable items use the ID stack.
@@ -7238,18 +7254,24 @@
float margin = g.FontSize * 1.0f; // When to scroll to make Tab N+1 visible always make a bit of N visible to suggest more scrolling area (since we don't have a scrollbar)
int order = tab_bar->GetTabOrder(tab);
- float tab_x1 = tab->Offset + (order > 0 ? -margin : 0.0f);
- float tab_x2 = tab->Offset + tab->Width + (order + 1 < tab_bar->Tabs.Size ? margin : 1.0f);
+ // Scrolling happens only in the central section (leading/trailing sections are not scrolling)
+ float scrollable_width = tab_bar->BarRect.GetWidth() - tab_bar->WidthLeading - tab_bar->WidthTrailing;
+
+ // We make all tabs positions all relative WidthLeading to make code simpler
+ float tab_x1 = tab->Offset - tab_bar->WidthLeading + (order > 0 ? -margin : 0.0f);
+ float tab_x2 = tab->Offset - tab_bar->WidthLeading + tab->Width + (order + 1 < tab_bar->Tabs.Size ? margin : 1.0f);
tab_bar->ScrollingTargetDistToVisibility = 0.0f;
- if (tab_bar->ScrollingTarget > tab_x1 || (tab_x2 - tab_x1 >= tab_bar->BarRect.GetWidth()))
+ if (tab_bar->ScrollingTarget > tab_x1 || (tab_x2 - tab_x1 >= scrollable_width))
{
+ // Scroll to the left
tab_bar->ScrollingTargetDistToVisibility = ImMax(tab_bar->ScrollingAnim - tab_x2, 0.0f);
tab_bar->ScrollingTarget = tab_x1;
}
- else if (tab_bar->ScrollingTarget < tab_x2 - tab_bar->BarRect.GetWidth())
+ else if (tab_bar->ScrollingTarget < tab_x2 - scrollable_width)
{
- tab_bar->ScrollingTargetDistToVisibility = ImMax((tab_x1 - tab_bar->BarRect.GetWidth()) - tab_bar->ScrollingAnim, 0.0f);
- tab_bar->ScrollingTarget = tab_x2 - tab_bar->BarRect.GetWidth();
+ // Scroll to the right
+ tab_bar->ScrollingTargetDistToVisibility = ImMax((tab_x1 - scrollable_width) - tab_bar->ScrollingAnim, 0.0f);
+ tab_bar->ScrollingTarget = tab_x2 - scrollable_width;
}
}
@@ -7420,7 +7442,7 @@
IM_ASSERT_USER_ERROR(tab_bar, "Needs to be called between BeginTabBar() and EndTabBar()!");
return false;
}
- IM_ASSERT_USER_ERROR(!(flags & ImGuiTabItemFlags_Button), "BeginTabItem() Can't be used with button flags, use TabItemButton() instead!");
+ IM_ASSERT(!(flags & ImGuiTabItemFlags_Button)); // BeginTabItem() Can't be used with button flags, use TabItemButton() instead!
bool ret = TabItemEx(tab_bar, label, p_open, flags);
if (ret && !(flags & ImGuiTabItemFlags_NoPushId))
@@ -7460,7 +7482,7 @@
ImGuiTabBar* tab_bar = g.CurrentTabBar;
if (tab_bar == NULL)
{
- IM_ASSERT_USER_ERROR(tab_bar, "TabItemButton() needs to be called between BeginTabBar() and EndTabBar()!");
+ IM_ASSERT_USER_ERROR(tab_bar != NULL, "Needs to be called between BeginTabBar() and EndTabBar()!");
return false;
}
return TabItemEx(tab_bar, label, NULL, flags | ImGuiTabItemFlags_Button | ImGuiTabItemFlags_NoReorder);
@@ -7491,7 +7513,8 @@
return false;
}
- IM_ASSERT(!p_open || (p_open && !(flags & ImGuiTabItemFlags_Button))); // TabItemButton should not have visible content
+ IM_ASSERT(!p_open || !(flags & ImGuiTabItemFlags_Button));
+ IM_ASSERT((flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)) != (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing)); // Can't use both Leading and Trailing
// Store into ImGuiTabItemFlags_NoCloseButton, also honor ImGuiTabItemFlags_NoCloseButton passed by user (although not documented)
if (flags & ImGuiTabItemFlags_NoCloseButton)
@@ -7568,7 +7591,6 @@
// Layout
size.x = tab->Width;
- //if (is_tab_button && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyResizeDown))
if (tab->Flags & (ImGuiTabItemFlags_Leading | ImGuiTabItemFlags_Trailing))
window->DC.CursorPos = tab_bar->BarRect.Min + ImVec2(tab->Offset, 0.0f);
else
@@ -7578,8 +7600,8 @@
// 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)
// If TabBar fitting policy is scroll, then just clip through the BarRect
- float offset_leading = (flags & ImGuiTabItemFlags_Leading) ? 0.0f : tab_bar->LeadingWidth;
- float offset_trailing = (flags & (ImGuiTabItemFlags_Trailing | ImGuiTabItemFlags_Leading)) ? 0.0f : tab_bar->TrailingWidth; // Leading buttons will be clipped by BarRect.Max.x, trailing buttons will be clipped at BarRect.Minx + LeadingsWidth
+ float offset_leading = (flags & ImGuiTabItemFlags_Leading) ? 0.0f : tab_bar->WidthLeading;
+ float offset_trailing = (flags & (ImGuiTabItemFlags_Trailing | ImGuiTabItemFlags_Leading)) ? 0.0f : tab_bar->WidthTrailing; // Leading buttons will be clipped by BarRect.Max.x, trailing buttons will be clipped at BarRect.Minx + LeadingsWidth
bool want_clip_rect = (bb.Min.x < tab_bar->BarRect.Min.x + offset_leading) || (bb.Max.x + offset_trailing > tab_bar->BarRect.Max.x);
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);