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Demo: changed default framed item width to use Min(GetFontSize() * 12, GetContentRegionAvail().x * 0.40f).

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ocornut 2025-06-04 17:30:17 +02:00
parent e877f78b0e
commit 9485aeb5c8
3 changed files with 30 additions and 9 deletions
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27
imgui_demo.cpp
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@ -410,9 +410,19 @@ void ImGui::ShowDemoWindow(bool* p_open)
return;
}
// Most "big" widgets share a common width settings by default. See 'Demo->Layout->Widgets Width' for details.
ImGui::PushItemWidth(ImGui::GetFontSize() * -12); // e.g. Leave a fixed amount of width for labels (by passing a negative value), the rest goes to widgets.
//ImGui::PushItemWidth(-ImGui::GetWindowWidth() * 0.35f); // e.g. Use 2/3 of the space for widgets and 1/3 for labels (right align)
// Most framed widgets share a common width settings. Remaining width is used for the label.
// The width of the frame may be changed with PushItemWidth() or SetNextItemWidth().
// - Positive value for absolute size, negative value for right-alignment.
// - The default value is about GetWindowWidth() * 0.65f.
// - See 'Demo->Layout->Widgets Width' for details.
// Here we change the frame width based on how much width we want to give to the label.
const float label_width_base = ImGui::GetFontSize() * 12; // Some amount of width for label, based on font size.
const float label_width_max = ImGui::GetContentRegionAvail().x * 0.40f; // ...but always leave some room for framed widgets.
const float label_width = IM_MIN(label_width_base, label_width_max);
ImGui::PushItemWidth(-label_width); // Right-align: framed items will leave 'label_width' available for the label.
//ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x * 0.40f); // e.g. Use 40% width for framed widgets, leaving 60% width for labels.
//ImGui::PushItemWidth(-ImGui::GetContentRegionAvail().x * 0.40f); // e.g. Use 40% width for labels, leaving 60% width for framed widgets.
//ImGui::PushItemWidth(ImGui::GetFontSize() * -12); // e.g. Use XXX width for labels, leaving the rest for framed widgets.
// Menu Bar
DemoWindowMenuBar(&demo_data);
@ -4426,6 +4436,17 @@ static void DemoWindowLayout()
}
ImGui::PopItemWidth();
ImGui::Text("SetNextItemWidth/PushItemWidth(-Min(GetContentRegionAvail().x * 0.40f, GetFontSize() * 12))");
ImGui::PushItemWidth(-IM_MIN(ImGui::GetFontSize() * 12, ImGui::GetContentRegionAvail().x * 0.40f));
ImGui::DragFloat("float##4a", &f);
if (show_indented_items)
{
ImGui::Indent();
ImGui::DragFloat("float (indented)##4b", &f);
ImGui::Unindent();
}
ImGui::PopItemWidth();
// Demonstrate using PushItemWidth to surround three items.
// Calling SetNextItemWidth() before each of them would have the same effect.
ImGui::Text("SetNextItemWidth/PushItemWidth(-FLT_MIN)");