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#include "app.hpp"
#include <Magnum/GL/Renderer.h>
#include <Magnum/ImGuiIntegration/Integration.h>
namespace floormat {
constexpr inline auto noop = []{};
struct raii_wrapper final
{
using F = void(*)(void);
raii_wrapper(bool ok = false, F fn = noop) : dtor{fn}, ok{ok} {}
inline ~raii_wrapper() { dtor(); }
raii_wrapper(const raii_wrapper&) = delete;
raii_wrapper& operator=(const raii_wrapper&) = delete;
raii_wrapper(raii_wrapper&& other) noexcept : dtor{other.dtor}, ok{other.ok} { other.dtor = noop; }
inline operator bool() const noexcept { return ok; }
[[no_unique_address]] F dtor;
const bool ok;
};
constexpr inline const auto* imgui_name = "floormat editor";
#if 0
[[nodiscard]] static raii_wrapper gui_begin() {
using f = ImGuiWindowFlags_;
int flags = 0;
//flags |= ImGuiWindowFlags_AlwaysAutoResize;
flags |= f::ImGuiWindowFlags_NoDecoration;
if (ImGui::Begin(imgui_name, nullptr, flags))
return {true, []{ ImGui::End(); }};
else
return {};
}
#endif
[[nodiscard]] static raii_wrapper begin_main_menu() {
if (ImGui::BeginMainMenuBar())
return raii_wrapper{true, [] { ImGui::EndMainMenuBar(); }};
else
return {};
}
[[nodiscard]] static raii_wrapper begin_menu(const char* name, bool enabled = true) {
if (ImGui::BeginMenu(name, enabled))
return raii_wrapper{true, [] { ImGui::EndMenu(); }};
else
return {};
}
void app::setup_menu()
{
GL::Renderer::setBlendEquation(GL::Renderer::BlendEquation::Add, GL::Renderer::BlendEquation::Add);
GL::Renderer::setBlendFunction(GL::Renderer::BlendFunction::SourceAlpha, GL::Renderer::BlendFunction::OneMinusSourceAlpha);
}
void app::display_menu()
{
GL::Renderer::enable(GL::Renderer::Feature::Blending);
GL::Renderer::enable(GL::Renderer::Feature::ScissorTest);
GL::Renderer::disable(GL::Renderer::Feature::FaceCulling);
GL::Renderer::disable(GL::Renderer::Feature::DepthTest);
_imgui.drawFrame();
GL::Renderer::enable(GL::Renderer::Feature::ScissorTest);
}
void app::draw_menu()
{
_imgui.newFrame();
if (ImGui::GetIO().WantTextInput && !isTextInputActive())
startTextInput();
else if (!ImGui::GetIO().WantTextInput && isTextInputActive())
stopTextInput();
draw_menu_bar();
}
void app::draw_menu_bar()
{
if (auto b = begin_main_menu())
{
if (auto b = begin_menu("File"))
{
ImGui::MenuItem("Open", "Ctrl+O");
ImGui::MenuItem("Recent");
ImGui::Separator();
ImGui::MenuItem("Save", "Ctrl+S");
ImGui::MenuItem("Save as...", "Ctrl+Shift+S");
ImGui::Separator();
ImGui::MenuItem("Close");
}
if (auto b = begin_menu("Mode"))
{
ImGui::MenuItem("Select", "F1", _editor_mode == editor_mode::select);
ImGui::MenuItem("Floors", "F2", _editor_mode == editor_mode::floors);
ImGui::MenuItem("Walls", "F3", _editor_mode == editor_mode::walls);
}
}
}
} // namespace floormat
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