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ListBox, Combo: Changed signature of "name getter" callback in old one-liner ListBox()/Combo() apis.

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ocornut
2023-09-15 18:43:04 +02:00
parent 8a2cd81091
commit b101cf46b6
5 changed files with 59 additions and 24 deletions
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3
imgui_demo.cpp
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@ -1226,9 +1226,8 @@ static void ShowDemoWindowWidgets()
ImGui::Combo("combo 3 (array)", &item_current_3, items, IM_ARRAYSIZE(items));
// Simplified one-liner Combo() using an accessor function
struct Funcs { static bool ItemGetter(void* data, int n, const char** out_str) { *out_str = ((const char**)data)[n]; return true; } };
static int item_current_4 = 0;
ImGui::Combo("combo 4 (function)", &item_current_4, &Funcs::ItemGetter, items, IM_ARRAYSIZE(items));
ImGui::Combo("combo 4 (function)", &item_current_4, [](void* data, int n) { return ((const char**)data)[n]; }, items, IM_ARRAYSIZE(items));
ImGui::TreePop();
}