dust3d/third_party/libigl/include/igl/opengl/glfw/imgui/ImGuiMenu.h

116 lines
3.2 KiB
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2018 Jérémie Dumas <jeremie.dumas@ens-lyon.org>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_OPENGL_GLFW_IMGUI_IMGUIMENU_H
#define IGL_OPENGL_GLFW_IMGUI_IMGUIMENU_H
////////////////////////////////////////////////////////////////////////////////
#include <igl/opengl/glfw/Viewer.h>
#include <igl/opengl/glfw/ViewerPlugin.h>
#include <igl/igl_inline.h>
#include <memory>
////////////////////////////////////////////////////////////////////////////////
// Forward declarations
struct ImGuiContext;
namespace igl
{
namespace opengl
{
namespace glfw
{
namespace imgui
{
class ImGuiMenu : public igl::opengl::glfw::ViewerPlugin
{
protected:
// Hidpi scaling to be used for text rendering.
float hidpi_scaling_;
// Ratio between the framebuffer size and the window size.
// May be different from the hipdi scaling!
float pixel_ratio_;
// ImGui Context
ImGuiContext * context_ = nullptr;
public:
IGL_INLINE virtual void init(igl::opengl::glfw::Viewer *_viewer) override;
IGL_INLINE virtual void reload_font(int font_size = 13);
IGL_INLINE virtual void shutdown() override;
IGL_INLINE virtual bool pre_draw() override;
IGL_INLINE virtual bool post_draw() override;
IGL_INLINE virtual void post_resize(int width, int height) override;
// Mouse IO
IGL_INLINE virtual bool mouse_down(int button, int modifier) override;
IGL_INLINE virtual bool mouse_up(int button, int modifier) override;
IGL_INLINE virtual bool mouse_move(int mouse_x, int mouse_y) override;
IGL_INLINE virtual bool mouse_scroll(float delta_y) override;
// Keyboard IO
IGL_INLINE virtual bool key_pressed(unsigned int key, int modifiers) override;
IGL_INLINE virtual bool key_down(int key, int modifiers) override;
IGL_INLINE virtual bool key_up(int key, int modifiers) override;
// Draw menu
IGL_INLINE virtual void draw_menu();
// Can be overwritten by `callback_draw_viewer_window`
IGL_INLINE virtual void draw_viewer_window();
// Can be overwritten by `callback_draw_viewer_menu`
IGL_INLINE virtual void draw_viewer_menu();
// Can be overwritten by `callback_draw_custom_window`
IGL_INLINE virtual void draw_custom_window() { }
// Easy-to-customize callbacks
std::function<void(void)> callback_draw_viewer_window;
std::function<void(void)> callback_draw_viewer_menu;
std::function<void(void)> callback_draw_custom_window;
IGL_INLINE void draw_labels_window();
IGL_INLINE void draw_labels(const igl::opengl::ViewerData &data);
IGL_INLINE void draw_text(
Eigen::Vector3d pos,
Eigen::Vector3d normal,
const std::string &text,
const Eigen::Vector4f color = Eigen::Vector4f(0,0,0.04,1)); // old default color
IGL_INLINE float pixel_ratio();
IGL_INLINE float hidpi_scaling();
float menu_scaling() { return hidpi_scaling_ / pixel_ratio_; }
};
} // end namespace
} // end namespace
} // end namespace
} // end namespace
#ifndef IGL_STATIC_LIBRARY
# include "ImGuiMenu.cpp"
#endif
#endif // IGL_OPENGL_GLFW_IMGUI_IMGUIMENU_H