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BeginListBox(): Comments (#8220)

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ocornut
2024-12-12 15:14:14 +01:00
parent 1d069cf435
commit 4cc464eadc
2 changed files with 4 additions and 8 deletions
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imgui_widgets.cpp
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@@ -8206,15 +8206,10 @@ void ImGuiSelectionExternalStorage::ApplyRequests(ImGuiMultiSelectIO* ms_io)
//-------------------------------------------------------------------------
// This is essentially a thin wrapper to using BeginChild/EndChild with the ImGuiChildFlags_FrameStyle flag for stylistic changes + displaying a label.
// This handle some subtleties with capturing info from the label, but for 99% uses it could essentially be rewritten as:
// if (ImGui::BeginChild("...", ImVec2(ImGui::CalcItemWidth(), ImGui::GetTextLineHeight() * 7.5f), ImGuiChildFlags_FrameStyle))
// { .... }
// ImGui::EndChild();
// ImGui::SameLine();
// ImGui::AlignTextToFramePadding();
// ImGui::Text("Label");
// This handle some subtleties with capturing info from the label.
// If you don't need a label you can pretty much directly use ImGui::BeginChild() with ImGuiChildFlags_FrameStyle.
// Tip: To have a list filling the entire window width, use size.x = -FLT_MIN and pass an non-visible label e.g. "##empty"
// Tip: If your vertical size is calculated from an item count (e.g. 10 * item_height) consider adding a fractional part to facilitate seeing scrolling boundaries (e.g. 10.25 * item_height).
// Tip: If your vertical size is calculated from an item count (e.g. 10 * item_height) consider adding a fractional part to facilitate seeing scrolling boundaries (e.g. 10.5f * item_height).
bool ImGui::BeginListBox(const char* label, const ImVec2& size_arg)
{
ImGuiContext& g = *GImGui;