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ImGuiListClipper: internal rework and tidying up to facilitate supporting frozen rows in tables + stop promoting using constructors parameters.

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ocornut 2020-09-24 18:08:01 +02:00 • committed by omar
parent 324e0310ad
commit 52c0b1a340
4 changed files with 99 additions and 52 deletions
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imgui_widgets.cpp
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@ -6154,7 +6154,8 @@ bool ImGui::ListBox(const char* label, int* current_item, bool (*items_getter)(v
// Assume all items have even height (= 1 line of text). If you need items of different or variable sizes you can create a custom version of ListBox() in your code without using the clipper.
ImGuiContext& g = *GImGui;
bool value_changed = false;
ImGuiListClipper clipper(items_count, GetTextLineHeightWithSpacing()); // We know exactly our line height here so we pass it as a minor optimization, but generally you don't need to.
ImGuiListClipper clipper;
clipper.Begin(items_count, GetTextLineHeightWithSpacing()); // We know exactly our line height here so we pass it as a minor optimization, but generally you don't need to.
while (clipper.Step())
for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++)
{