modal

メッセージダイアログや、ファイルダイアログのような。

        if (ImGui::Button("Delete.."))
            ImGui::OpenPopup("Delete?");

        // Always center this window when appearing
        ImVec2 center = ImGui::GetMainViewport()->GetCenter();
        ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));

        if (ImGui::BeginPopupModal("Delete?", NULL, ImGuiWindowFlags_AlwaysAutoResize))
        {
            ImGui::Text("All those beautiful files will be deleted.\nThis operation cannot be undone!\n\n");
            ImGui::Separator();

            //static int unused_i = 0;
            //ImGui::Combo("Combo", &unused_i, "Delete\0Delete harder\0");

            static bool dont_ask_me_next_time = false;
            ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
            ImGui::Checkbox("Don't ask me next time", &dont_ask_me_next_time);
            ImGui::PopStyleVar();

            if (ImGui::Button("OK", ImVec2(120, 0))) { ImGui::CloseCurrentPopup(); }
            ImGui::SetItemDefaultFocus();
            ImGui::SameLine();
            if (ImGui::Button("Cancel", ImVec2(120, 0))) { ImGui::CloseCurrentPopup(); }
            ImGui::EndPopup();
        }

filedialog

simple

• https://github.com/Limeoats/L2DFileDialog/blob/master/L2DFileDialog/src/L2DFileDialog.h