dlxjj/imradv3

1#include "ui_message_box.h"2#include "IconsFontAwesome6.h"3 4MessageBox messageBox;5 6void MessageBox::OpenPopup(std::function<void(ImRad::ModalResult)> f)7{8    callback = std::move(f);9    ImGui::OpenPopup(ID);10}11 12void MessageBox::Draw()13{14    const float BWIDTH = 90;15    const float BHEIGHT = 30;16 17    ID = ImGui::GetID("###MessageBox");18    ImVec2 center = ImGui::GetMainViewport()->GetCenter();19    //todo: ImGuiCond_Appearing won't center20    ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, { 0.5f, 0.5f });21    bool open = true;22    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, { 10, 10 });23    if (ImGui::BeginPopupModal((title + "###MessageBox").c_str(), &open, ImGuiWindowFlags_AlwaysAutoResize))24    {25        wasOpen = ID;26        /*bool resizing = ImGui::IsWindowAppearing() ||27            std::abs(ImGui::GetWindowSize().x - lastSize.x) >= 1 ||28            std::abs(ImGui::GetWindowSize().y - lastSize.y) >= 1;29        lastSize = ImGui::GetWindowSize();*/30 31        ImGui::BeginChild("ch", { 300, 50 });32        ImGui::TextWrapped("%s", message.c_str());33        ImGui::EndChild();34        ImGui::Spacing();35        ImGui::Spacing();36 37        int n = (bool)(buttons & ImRad::Ok) + (bool)(buttons & ImRad::Cancel) + (bool)(buttons & ImRad::Yes) + (bool)(buttons & ImRad::No);38        float w = (n * BWIDTH) + (n - 1) * ImGui::GetStyle().ItemSpacing.x;39        float x = (ImGui::GetContentRegionAvail().x + ImGui::GetStyle().FramePadding.x - w) / 2.f;40        x += ImGui::GetStyle().WindowPadding.x;41        float y = ImGui::GetCursorPosY();42        if (buttons & ImRad::Ok)43        {44            if (ImGui::IsWindowAppearing())45                ImGui::SetKeyboardFocusHere();46            ImGui::SetCursorPos({ x, y });47            if (ImGui::Button("OK", { BWIDTH, BHEIGHT }) ||48                (buttons == ImRad::Ok && ImGui::IsKeyPressed(ImGuiKey_Escape)))49            {50                ImGui::CloseCurrentPopup();51                callback(ImRad::Ok);52            }53            x += BWIDTH + ImGui::GetStyle().ItemSpacing.x;54        }55        if (buttons & ImRad::Yes)56        {57            ImGui::SetCursorPos({ x, y });58            if (ImGui::Button("Yes", { BWIDTH, BHEIGHT })) {59                ImGui::CloseCurrentPopup();60                callback(ImRad::Yes);61            }62            x += BWIDTH + ImGui::GetStyle().ItemSpacing.x;63        }64        if (buttons & ImRad::No)65        {66            ImGui::SetCursorPos({ x, y });67            if (ImGui::Button("No", { BWIDTH, BHEIGHT })) {68                ImGui::CloseCurrentPopup();69                callback(ImRad::No);70            }71            x += BWIDTH + ImGui::GetStyle().ItemSpacing.x;72        }73        if (buttons & ImRad::Cancel)74        {75            ImGui::SetCursorPos({ x, y });76            if (ImGui::Button("Cancel", { BWIDTH, BHEIGHT }) || ImGui::IsKeyPressed(ImGuiKey_Escape)) {77                ImGui::CloseCurrentPopup();78                callback(ImRad::Cancel); //currently used in Save File Confirmation upon Exit79            }80            x += BWIDTH + ImGui::GetStyle().ItemSpacing.x;81        }82 83        ImGui::EndPopup();84    }85    else if (wasOpen == ID)86    {87        //hack - clear fields for next invocation88        wasOpen = 0;89        title = "title";90        message = "";91        buttons = ImRad::Ok;92    }93    ImGui::PopStyleVar();94}