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Tabs, Style: reworked selected overline rendering to better accommodate for rounded tabs. (#8334)

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ocornut 2025-01-21 13:55:44 +01:00
parent e8779a67b1
commit 7ae7c90790
4 changed files with 22 additions and 8 deletions
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20
imgui_widgets.cpp
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@ -10150,11 +10150,21 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
TabItemBackground(display_draw_list, bb, flags, tab_col);
if (tab_contents_visible && (tab_bar->Flags & ImGuiTabBarFlags_DrawSelectedOverline) && style.TabBarOverlineSize > 0.0f)
{
float x_offset = IM_TRUNC(0.4f * style.TabRounding);
if (x_offset < 2.0f * g.CurrentDpiScale)
x_offset = 0.0f;
float y_offset = 1.0f * g.CurrentDpiScale;
display_draw_list->AddLine(bb.GetTL() + ImVec2(x_offset, y_offset), bb.GetTR() + ImVec2(-x_offset, y_offset), GetColorU32(tab_bar_focused ? ImGuiCol_TabSelectedOverline : ImGuiCol_TabDimmedSelectedOverline), style.TabBarOverlineSize);
// Might be moved to TabItemBackground() ?
ImVec2 tl = bb.GetTL() + ImVec2(0, 1.0f * g.CurrentDpiScale);
ImVec2 tr = bb.GetTR() + ImVec2(0, 1.0f * g.CurrentDpiScale);
ImU32 overline_col = GetColorU32(tab_bar_focused ? ImGuiCol_TabSelectedOverline : ImGuiCol_TabDimmedSelectedOverline);
if (style.TabRounding > 0.0f)
{
float rounding = style.TabRounding;
display_draw_list->PathArcToFast(tl + ImVec2(+rounding, +rounding), rounding, 7, 9);
display_draw_list->PathArcToFast(tr + ImVec2(-rounding, +rounding), rounding, 9, 11);
display_draw_list->PathStroke(overline_col, 0, style.TabBarOverlineSize);
}
else
{
display_draw_list->AddLine(tl - ImVec2(0.5f, 0.5f), tr - ImVec2(0.5f, 0.5f), overline_col, style.TabBarOverlineSize);
}
}
RenderNavCursor(bb, id);