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62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
// How ImGuiWrapper turns wx mouse events into ImGui input. ImGuiWrapper lives in libslic3r_gui; this is
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// the suite that links it. Same Windows include prologue as test_texture_color_palette.cpp (wx pulls in
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// <windows.h>; keep WIN32_LEAN_AND_MEAN / NOMINMAX ahead of it).
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#ifdef WIN32
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#include <Windows.h>
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#endif
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/generators/catch_generators.hpp>
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#include <catch2/matchers/catch_matchers.hpp>
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#include <catch2/matchers/catch_matchers_floating_point.hpp>
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#include <imgui/imgui.h>
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#include <wx/event.h>
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#include "slic3r/GUI/ImGuiWrapper.hpp"
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using Catch::Matchers::WithinAbs;
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using Slic3r::GUI::ImGuiWrapper;
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namespace {
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// ImGui's wheel after one wheel event, as wx on macOS builds it: a delta of 10 and the rotation in whole
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// points of trackpad travel.
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float wheel_after(int rotation, wxMouseWheelAxis axis)
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{
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ImGuiWrapper imgui;
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imgui.set_display_size(800.f, 600.f); // update_mouse_data() ignores input until the display has a size
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wxMouseEvent evt(wxEVT_MOUSEWHEEL);
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evt.m_wheelRotation = rotation;
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evt.m_wheelDelta = 10;
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evt.m_wheelAxis = axis;
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imgui.update_mouse_data(evt);
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return ImGui::GetIO().MouseWheel;
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}
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} // namespace
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TEST_CASE("a vertical wheel event steps ImGui's wheel in its own direction", "[ImGuiWrapper]")
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{
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const int rotation = GENERATE(1, 7, 120, -1, -7, -120);
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CHECK_THAT(wheel_after(rotation, wxMOUSE_WHEEL_VERTICAL), WithinAbs(rotation > 0 ? 1.0 : -1.0, 0.0));
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}
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// Both kinds arrive from a macOS trackpad while scrolling; see ImGuiWrapper::update_mouse_data().
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TEST_CASE("a wheel event with no rotation or on the horizontal axis does not step ImGui's wheel", "[ImGuiWrapper][Regression]")
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{
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const auto [rotation, axis] = GENERATE(table<int, wxMouseWheelAxis>({
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{ 0, wxMOUSE_WHEEL_VERTICAL },
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{ 5, wxMOUSE_WHEEL_HORIZONTAL },
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{ -5, wxMOUSE_WHEEL_HORIZONTAL },
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}));
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CHECK_THAT(wheel_after(rotation, axis), WithinAbs(0.0, 0.0));
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}
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