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bluenoise-raytracer/raytracer/nvpro_core/imgui/imgui_helper.cpp
CDaut 76f6bf62a4
cleanup and refactoring
2024-05-25 11:53:25 +02:00

690 lines
24 KiB
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/*
* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-FileCopyrightText: Copyright (c) 2018 NVIDIA CORPORATION
* SPDX-License-Identifier: Apache-2.0
*/
#define GLFW_INCLUDE_NONE
#include "imgui/imgui_helper.h"
#include <backends/imgui_impl_glfw.h>
#include <GLFW/glfw3.h>
#include <math.h>
#include <fstream>
namespace ImGuiH {
void Init(int width, int height, void* userData, FontMode fontmode)
{
ImGui::CreateContext();
setFonts(fontmode);
auto& imgui_io = ImGui::GetIO();
imgui_io.IniFilename = nullptr;
imgui_io.UserData = userData;
imgui_io.DisplaySize = ImVec2(float(width), float(height));
imgui_io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable keyboard controls (tab, space, arrow keys)
// Scale style sizes for high-DPI monitors
ImGuiStyle& imgui_style = ImGui::GetStyle();
imgui_style.ScaleAllSizes(getDPIScale());
}
void Deinit()
{
ImGui::DestroyContext(nullptr);
}
bool Combo(const char* label, size_t numEnums, const Enum* enums, void* valuePtr, ImGuiComboFlags flags, ValueType valueType, bool* valueChanged)
{
int* ivalue = (int*)valuePtr;
float* fvalue = (float*)valuePtr;
size_t idx = 0;
bool found = false;
bool changed = false;
for(size_t i = 0; i < numEnums; i++)
{
switch(valueType)
{
case TYPE_INT:
if(enums[i].ivalue == *ivalue)
{
idx = i;
found = true;
}
break;
case TYPE_FLOAT:
if(enums[i].fvalue == *fvalue)
{
idx = i;
found = true;
}
break;
default:
break;
}
}
if(!found)
{
assert(!"No such value in combo!");
return false;
}
if(ImGui::BeginCombo(label, enums[idx].name.c_str(), flags)) // The second parameter is the label previewed before opening the combo.
{
for(size_t i = 0; i < numEnums; i++)
{
ImGui::BeginDisabled(enums[i].disabled);
bool is_selected = i == idx;
if(ImGui::Selectable(enums[i].name.c_str(), is_selected))
{
switch(valueType)
{
case TYPE_INT:
*ivalue = enums[i].ivalue;
break;
case TYPE_FLOAT:
*fvalue = enums[i].fvalue;
break;
default:
break;
}
changed = true;
}
if(is_selected)
{
ImGui::SetItemDefaultFocus(); // Set the initial focus when opening the combo (scrolling + for keyboard navigation support in the upcoming navigation branch)
}
ImGui::EndDisabled();
}
ImGui::EndCombo();
}
if(valueChanged)
*valueChanged = changed;
return changed;
}
//--------------------------------------------------------------------------------------------------
//
// If GLFW has been initialized, returns the DPI scale of the primary monitor. Otherwise, returns 1.
//
float getDPIScale()
{
// Cached DPI scale, so that this doesn't change after the first time code calls getDPIScale.
// A negative value indicates that the value hasn't been computed yet.
static float cached_dpi_scale = -1.0f;
if(cached_dpi_scale < 0.0f)
{
// Compute the product of the monitor DPI scale and any DPI scale
// set in the NVPRO_DPI_SCALE variable.
cached_dpi_scale = 1.0f;
GLFWmonitor* monitor = glfwGetPrimaryMonitor();
assert(monitor);
if(monitor != nullptr)
{
float y_scale;
glfwGetMonitorContentScale(monitor, &cached_dpi_scale, &y_scale);
}
// Otherwise, GLFW isn't initialized yet, but might be in the future.
// (Note that this code assumes all samples use GLFW.)
// Multiply by the value of the NVPRO_DPI_SCALE environment variable.
const char* dpi_env = getenv("NVPRO_DPI_SCALE");
if(dpi_env)
{
const float parsed_dpi_env = strtof(dpi_env, nullptr);
if(parsed_dpi_env != 0.0f)
{
cached_dpi_scale *= parsed_dpi_env;
}
}
cached_dpi_scale = (cached_dpi_scale > 0.0f ? cached_dpi_scale : 1.0f);
}
return cached_dpi_scale;
}
//--------------------------------------------------------------------------------------------------
// Setting a dark style for the GUI
// The colors were coded in sRGB color space, set the useLinearColor
// flag to convert to linear color space.
void setStyle(bool useLinearColor)
{
typedef ImVec4 (*srgbFunction)(float, float, float, float);
srgbFunction passthrough = [](float r, float g, float b, float a) -> ImVec4 { return ImVec4(r, g, b, a); };
srgbFunction toLinear = [](float r, float g, float b, float a) -> ImVec4 {
auto toLinearScalar = [](float u) -> float {
return u <= 0.04045 ? 25 * u / 323.f : powf((200 * u + 11) / 211.f, 2.4f);
};
return ImVec4(toLinearScalar(r), toLinearScalar(g), toLinearScalar(b), a);
};
srgbFunction srgb = useLinearColor ? toLinear : passthrough;
ImGui::StyleColorsDark();
ImGuiStyle& style = ImGui::GetStyle();
style.WindowRounding = 0.0f;
style.WindowBorderSize = 0.0f;
style.ColorButtonPosition = ImGuiDir_Right;
style.FrameRounding = 2.0f;
style.FrameBorderSize = 1.0f;
style.GrabRounding = 4.0f;
style.IndentSpacing = 12.0f;
style.Colors[ImGuiCol_WindowBg] = srgb(0.2f, 0.2f, 0.2f, 1.0f);
style.Colors[ImGuiCol_MenuBarBg] = srgb(0.2f, 0.2f, 0.2f, 1.0f);
style.Colors[ImGuiCol_ScrollbarBg] = srgb(0.2f, 0.2f, 0.2f, 1.0f);
style.Colors[ImGuiCol_PopupBg] = srgb(0.135f, 0.135f, 0.135f, 1.0f);
style.Colors[ImGuiCol_Border] = srgb(0.4f, 0.4f, 0.4f, 0.5f);
style.Colors[ImGuiCol_FrameBg] = srgb(0.05f, 0.05f, 0.05f, 0.5f);
// Normal
ImVec4 normal_color = srgb(0.465f, 0.465f, 0.525f, 1.0f);
std::vector<ImGuiCol> to_change_nrm;
to_change_nrm.push_back(ImGuiCol_Header);
to_change_nrm.push_back(ImGuiCol_SliderGrab);
to_change_nrm.push_back(ImGuiCol_Button);
to_change_nrm.push_back(ImGuiCol_CheckMark);
to_change_nrm.push_back(ImGuiCol_ResizeGrip);
to_change_nrm.push_back(ImGuiCol_TextSelectedBg);
to_change_nrm.push_back(ImGuiCol_Separator);
to_change_nrm.push_back(ImGuiCol_FrameBgActive);
for(auto c : to_change_nrm)
{
style.Colors[c] = normal_color;
}
// Active
ImVec4 active_color = srgb(0.365f, 0.365f, 0.425f, 1.0f);
std::vector<ImGuiCol> to_change_act;
to_change_act.push_back(ImGuiCol_HeaderActive);
to_change_act.push_back(ImGuiCol_SliderGrabActive);
to_change_act.push_back(ImGuiCol_ButtonActive);
to_change_act.push_back(ImGuiCol_ResizeGripActive);
to_change_act.push_back(ImGuiCol_SeparatorActive);
for(auto c : to_change_act)
{
style.Colors[c] = active_color;
}
// Hovered
ImVec4 hovered_color = srgb(0.565f, 0.565f, 0.625f, 1.0f);
std::vector<ImGuiCol> to_change_hover;
to_change_hover.push_back(ImGuiCol_HeaderHovered);
to_change_hover.push_back(ImGuiCol_ButtonHovered);
to_change_hover.push_back(ImGuiCol_FrameBgHovered);
to_change_hover.push_back(ImGuiCol_ResizeGripHovered);
to_change_hover.push_back(ImGuiCol_SeparatorHovered);
for(auto c : to_change_hover)
{
style.Colors[c] = hovered_color;
}
style.Colors[ImGuiCol_TitleBgActive] = srgb(0.465f, 0.465f, 0.465f, 1.0f);
style.Colors[ImGuiCol_TitleBg] = srgb(0.125f, 0.125f, 0.125f, 1.0f);
style.Colors[ImGuiCol_Tab] = srgb(0.05f, 0.05f, 0.05f, 0.5f);
style.Colors[ImGuiCol_TabHovered] = srgb(0.465f, 0.495f, 0.525f, 1.0f);
style.Colors[ImGuiCol_TabActive] = srgb(0.282f, 0.290f, 0.302f, 1.0f);
style.Colors[ImGuiCol_ModalWindowDimBg] = srgb(0.465f, 0.465f, 0.465f, 0.350f);
//Colors_ext[ImGuiColExt_Warning] = srgb (1.0f, 0.43f, 0.35f, 1.0f);
ImGui::SetColorEditOptions(ImGuiColorEditFlags_Float | ImGuiColorEditFlags_PickerHueWheel);
}
//
// Local, return true if the filename exist
//
static bool fileExists(const char* filename)
{
std::ifstream stream;
stream.open(filename);
return stream.is_open();
}
//--------------------------------------------------------------------------------------------------
// Looking for TTF fonts, first on the VULKAN SDK, then Windows default fonts
//
void setFonts(FontMode fontmode)
{
ImGuiIO& io = ImGui::GetIO();
const float high_dpi_scale = getDPIScale();
// Nicer fonts
ImFont* font = nullptr;
if(fontmode == FONT_MONOSPACED_SCALED)
{
if(font == nullptr)
{
const std::string p = R"(C:/Windows/Fonts/consola.ttf)";
if(fileExists(p.c_str()))
font = io.Fonts->AddFontFromFileTTF(p.c_str(), 12.0f * high_dpi_scale);
}
if(font == nullptr)
{
const std::string p = "/usr/share/fonts/truetype/ubuntu/UbuntuMono-R.ttf";
if(fileExists(p.c_str()))
font = io.Fonts->AddFontFromFileTTF(p.c_str(), 12.0f * high_dpi_scale);
}
}
else if(fontmode == FONT_PROPORTIONAL_SCALED)
{
const char* vk_path = getenv("VK_SDK_PATH");
if(vk_path)
{
const std::string p = std::string(vk_path) + R"(/Samples/Layer-Samples/data/FreeSans.ttf)";
if(fileExists(p.c_str()))
font = io.Fonts->AddFontFromFileTTF(p.c_str(), 16.0f * high_dpi_scale);
}
if(font == nullptr)
{
const std::string p = R"(C:/Windows/Fonts/segoeui.ttf)";
if(fileExists(p.c_str()))
font = io.Fonts->AddFontFromFileTTF(p.c_str(), 16.0f * high_dpi_scale);
}
if(font == nullptr)
{
const std::string p = "/usr/share/fonts/truetype/ubuntu/Ubuntu-R.ttf";
if(fileExists(p.c_str()))
font = io.Fonts->AddFontFromFileTTF(p.c_str(), 16.0f * high_dpi_scale);
}
}
if(font == nullptr)
{
ImFontConfig font_config = ImFontConfig();
font_config.SizePixels = 13.0f * high_dpi_scale; // 13 is the default font size
io.Fonts->AddFontDefault(&font_config);
}
}
void tooltip(const char* description, bool questionMark /*= false*/, float timerThreshold /*= 0.5f*/)
{
bool passTimer = GImGui->HoveredIdTimer >= timerThreshold && GImGui->ActiveIdTimer == 0.0f;
if(questionMark)
{
ImGui::SameLine();
ImGui::TextDisabled("(?)");
passTimer = true;
}
if(ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled) && passTimer)
{
ImGui::BeginTooltip();
ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f);
ImGui::TextUnformatted(description);
ImGui::PopTextWrapPos();
ImGui::EndTooltip();
}
}
// ------------------------------------------------------------------------------------------------
namespace {
template <typename TScalar, ImGuiDataType type, uint8_t dim>
bool show_slider_control_scalar(TScalar* value, TScalar* min, TScalar* max, const char* format)
{
static const char* visible_labels[] = {"x:", "y:", "z:", "w:"};
if(dim == 1)
return ImGui::SliderScalar("##hidden", type, &value[0], &min[0], &max[0], format);
float indent = ImGui::GetCursorPos().x;
bool changed = false;
for(uint8_t c = 0; c < dim; ++c)
{
ImGui::PushID(c);
if(c > 0)
{
ImGui::NewLine();
ImGui::SameLine(indent);
}
ImGui::Text("%s", visible_labels[c]);
ImGui::SameLine();
ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
changed |= ImGui::SliderScalar("##hidden", type, &value[c], &min[c], &max[c], format);
ImGui::PopID();
}
return changed;
}
} // namespace
template <>
bool Control::show_slider_control<float>(float* value, float& min, float& max, const char* format)
{
return show_slider_control_scalar<float, ImGuiDataType_Float, 1>(value, &min, &max, format ? format : "%.3f");
}
template <>
bool Control::show_slider_control<glm::vec2>(glm::vec2* value, glm::vec2& min, glm::vec2& max, const char* format)
{
return show_slider_control_scalar<float, ImGuiDataType_Float, 2>(&value->x, &min.x, &max.x, format ? format : "%.3f");
}
template <>
bool Control::show_slider_control<glm::vec3>(glm::vec3* value, glm::vec3& min, glm::vec3& max, const char* format)
{
return show_slider_control_scalar<float, ImGuiDataType_Float, 3>(&value->x, &min.x, &max.x, format ? format : "%.3f");
}
template <>
bool Control::show_slider_control<glm::vec4>(glm::vec4* value, glm::vec4& min, glm::vec4& max, const char* format)
{
return show_slider_control_scalar<float, ImGuiDataType_Float, 4>(&value->x, &min.x, &max.x, format ? format : "%.3f");
}
template <>
bool Control::show_drag_control<float>(float* value, float speed, float& min, float& max, const char* format)
{
return show_drag_control_scalar<float, ImGuiDataType_Float, 1>(value, speed, &min, &max, format ? format : "%.3f");
}
template <>
bool Control::show_drag_control<glm::vec2>(glm::vec2* value, float speed, glm::vec2& min, glm::vec2& max, const char* format)
{
return show_drag_control_scalar<float, ImGuiDataType_Float, 2>(&value->x, speed, &min.x, &max.x, format ? format : "%.3f");
}
template <>
bool Control::show_drag_control<glm::vec3>(glm::vec3* value, float speed, glm::vec3& min, glm::vec3& max, const char* format)
{
return show_drag_control_scalar<float, ImGuiDataType_Float, 3>(&value->x, speed, &min.x, &max.x, format ? format : "%.3f");
}
template <>
bool Control::show_drag_control<glm::vec4>(glm::vec4* value, float speed, glm::vec4& min, glm::vec4& max, const char* format)
{
return show_drag_control_scalar<float, ImGuiDataType_Float, 4>(&value->x, speed, &min.x, &max.x, format ? format : "%.3f");
}
template <>
bool Control::show_slider_control<int>(int* value, int& min, int& max, const char* format)
{
return show_slider_control_scalar<int, ImGuiDataType_S32, 1>(value, &min, &max, format ? format : "%d");
}
template <>
bool Control::show_slider_control<glm::ivec2>(glm::ivec2* value, glm::ivec2& min, glm::ivec2& max, const char* format)
{
return show_slider_control_scalar<int, ImGuiDataType_S32, 2>(&value->x, &min.x, &max.x, format ? format : "%d");
}
template <>
bool Control::show_slider_control<glm::ivec3>(glm::ivec3* value, glm::ivec3& min, glm::ivec3& max, const char* format)
{
return show_slider_control_scalar<int, ImGuiDataType_S32, 3>(&value->x, &min.x, &max.x, format ? format : "%d");
}
template <>
bool Control::show_slider_control<glm::ivec4>(glm::ivec4* value, glm::ivec4& min, glm::ivec4& max, const char* format)
{
return show_slider_control_scalar<int, ImGuiDataType_S32, 4>(&value->x, &min.x, &max.x, format ? format : "%d");
}
template <>
bool Control::show_drag_control<int>(int* value, float speed, int& min, int& max, const char* format)
{
return show_drag_control_scalar<int, ImGuiDataType_S32, 1>(value, speed, &min, &max, format ? format : "%d");
}
template <>
bool Control::show_drag_control<glm::ivec2>(glm::ivec2* value, float speed, glm::ivec2& min, glm::ivec2& max, const char* format)
{
return show_drag_control_scalar<int, ImGuiDataType_S32, 2>(&value->x, speed, &min.x, &max.x, format ? format : "%d");
}
template <>
bool Control::show_drag_control<glm::ivec3>(glm::ivec3* value, float speed, glm::ivec3& min, glm::ivec3& max, const char* format)
{
return show_drag_control_scalar<int, ImGuiDataType_S32, 3>(&value->x, speed, &min.x, &max.x, format ? format : "%d");
}
template <>
bool Control::show_drag_control<glm::ivec4>(glm::ivec4* value, float speed, glm::ivec4& min, glm::ivec4& max, const char* format)
{
return show_drag_control_scalar<int, ImGuiDataType_S32, 4>(&value->x, speed, &min.x, &max.x, format ? format : "%d");
}
template <>
bool Control::show_slider_control<uint32_t>(uint32_t* value, uint32_t& min, uint32_t& max, const char* format)
{
return show_slider_control_scalar<uint32_t, ImGuiDataType_U32, 1>(value, &min, &max, format ? format : "%d");
}
//
//template <>
//bool Control::show_slider_control<uint32_t_2>(uint32_t_2* value, uint32_t_2& min, uint32_t_2& max, const char* format)
//{
// return show_slider_control_scalar<uint32_t, ImGuiDataType_U32, 2>(&value->x, &min.x, &max.x, format ? format : "%d");
//}
//
//template <>
//bool Control::show_slider_control<uint32_t_3>(uint32_t_3* value, uint32_t_3& min, uint32_t_3& max, const char* format)
//{
// return show_slider_control_scalar<uint32_t, ImGuiDataType_U32, 3>(&value->x, &min.x, &max.x, format ? format : "%d");
//}
//
//template <>
//bool Control::show_slider_control<uint32_t_4>(uint32_t_4* value, uint32_t_4& min, uint32_t_4& max, const char* format)
//{
// return show_slider_control_scalar<uint32_t, ImGuiDataType_U32, 4>(&value->x, &min.x, &max.x, format ? format : "%d");
//}
//
//template <>
//bool Control::show_drag_control<uint32_t>(uint32_t* value, float speed, uint32_t& min, uint32_t& max, const char* format)
//{
// return show_drag_control_scalar<uint32_t, ImGuiDataType_U32, 1>(value, speed, &min, &max, format ? format : "%d");
//}
//
//template <>
//bool Control::show_drag_control<uint32_t_2>(uint32_t_2* value, float speed, uint32_t_2& min, uint32_t_2& max, const char* format)
//{
// return show_drag_control_scalar<uint32_t, ImGuiDataType_U32, 2>(&value->x, speed, &min.x, &max.x, format ? format : "%d");
//}
//
//template <>
//bool Control::show_drag_control<uint32_t_3>(uint32_t_3* value, float speed, uint32_t_3& min, uint32_t_3& max, const char* format)
//{
// return show_drag_control_scalar<uint32_t, ImGuiDataType_U32, 3>(&value->x, speed, &min.x, &max.x, format ? format : "%d");
//}
//
//template <>
//bool Control::show_drag_control<uint32_t_4>(uint32_t_4* value, float speed, uint32_t_4& min, uint32_t_4& max, const char* format)
//{
// return show_drag_control_scalar<uint32_t, ImGuiDataType_U32, 4>(&value->x, speed, &min.x, &max.x, format ? format : "%d");
//}
template <>
bool Control::show_slider_control<size_t>(size_t* value, size_t& min, size_t& max, const char* format)
{
return show_slider_control_scalar<size_t, ImGuiDataType_U64, 1>(value, &min, &max, format ? format : "%d");
}
template <>
bool Control::show_drag_control<size_t>(size_t* value, float speed, size_t& min, size_t& max, const char* format)
{
return show_drag_control_scalar<size_t, ImGuiDataType_U64, 1>(value, speed, &min, &max, format ? format : "%d");
}
// Static member declaration
ImGuiID Panel::dockspaceID{0};
void Panel::Begin(Side side /*= Side::Right*/, float alpha /*= 0.5f*/, char* name /*= nullptr*/)
{
// Keeping the unique ID of the dock space
dockspaceID = ImGui::GetID("DockSpace");
// The dock need a dummy window covering the entire viewport.
ImGuiViewport* viewport = ImGui::GetMainViewport();
ImGui::SetNextWindowPos(viewport->WorkPos);
ImGui::SetNextWindowSize(viewport->WorkSize);
ImGui::SetNextWindowViewport(viewport->ID);
// All flags to dummy window
ImGuiWindowFlags host_window_flags = 0;
host_window_flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize;
host_window_flags |= ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDocking;
host_window_flags |= ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoNavFocus;
host_window_flags |= ImGuiWindowFlags_NoBackground;
// Starting dummy window
char label[32];
ImFormatString(label, IM_ARRAYSIZE(label), "DockSpaceViewport_%08X", viewport->ID);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
ImGui::Begin(label, nullptr, host_window_flags);
ImGui::PopStyleVar(3);
// The central node is transparent, so that when UI is draw after, the image is visible
// Auto Hide Bar, no title of the panel
// Center is not dockable, that is for the scene
ImGuiDockNodeFlags dockspaceFlags = ImGuiDockNodeFlags_PassthruCentralNode | ImGuiDockNodeFlags_AutoHideTabBar
| ImGuiDockNodeFlags_NoDockingOverCentralNode;
// Default panel/window is name setting
std::string dock_name("Settings");
if(name != nullptr)
dock_name = name;
// Building the splitting of the dock space is done only once
if(!ImGui::DockBuilderGetNode(dockspaceID))
{
ImGui::DockBuilderRemoveNode(dockspaceID);
ImGui::DockBuilderAddNode(dockspaceID, dockspaceFlags | ImGuiDockNodeFlags_DockSpace);
ImGui::DockBuilderSetNodeSize(dockspaceID, viewport->Size);
ImGuiID dock_main_id = dockspaceID;
// Slitting all 4 directions, targetting (320 pixel * DPI) panel width, (180 pixel * DPI) panel height.
const float xRatio = glm::clamp<float>(320.0f * getDPIScale() / viewport->WorkSize[0], 0.01f, 0.499f);
const float yRatio = glm::clamp<float>(180.0f * getDPIScale() / viewport->WorkSize[1], 0.01f, 0.499f);
ImGuiID id_left, id_right, id_up, id_down;
// Note, for right, down panels, we use the n / (1 - n) formula to correctly split the space remaining from the left, up panels.
id_left = ImGui::DockBuilderSplitNode(dock_main_id, ImGuiDir_Left, xRatio, nullptr, &dock_main_id);
id_right = ImGui::DockBuilderSplitNode(dock_main_id, ImGuiDir_Right, xRatio / (1 - xRatio), nullptr, &dock_main_id);
id_up = ImGui::DockBuilderSplitNode(dock_main_id, ImGuiDir_Up, yRatio, nullptr, &dock_main_id);
id_down = ImGui::DockBuilderSplitNode(dock_main_id, ImGuiDir_Down, yRatio / (1 - yRatio), nullptr, &dock_main_id);
ImGui::DockBuilderDockWindow(side == Side::Left ? dock_name.c_str() : "Dock_left", id_left);
ImGui::DockBuilderDockWindow(side == Side::Right ? dock_name.c_str() : "Dock_right", id_right);
ImGui::DockBuilderDockWindow("Dock_up", id_up);
ImGui::DockBuilderDockWindow("Dock_down", id_down);
ImGui::DockBuilderDockWindow("Scene", dock_main_id); // Center
ImGui::DockBuilderFinish(dock_main_id);
}
// Setting the panel to blend with alpha
ImVec4 col = ImGui::GetStyleColorVec4(ImGuiCol_WindowBg);
ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(col.x, col.y, col.z, alpha));
ImGui::DockSpace(dockspaceID, ImVec2(0.0f, 0.0f), dockspaceFlags);
ImGui::PopStyleColor();
ImGui::End();
// The panel
if(alpha < 1)
ImGui::SetNextWindowBgAlpha(alpha); // For when the panel becomes a floating window
ImGui::Begin(dock_name.c_str());
}
Control::Style Control::style{};
} // namespace ImGuiH
bool ImGuiH::azimuthElevationSliders(glm::vec3& direction, bool negative, bool yIsUp /*=true*/)
{
glm::vec3 normalized_dir = normalize(direction);
if(negative)
{
normalized_dir = -normalized_dir;
}
double azimuth;
double elevation;
const double min_azimuth = -180.0;
const double max_azimuth = 180.0;
const double min_elevation = -90.0;
const double max_elevation = 90.0;
if(yIsUp)
{
azimuth = glm::degrees(atan2(normalized_dir.z, normalized_dir.x));
elevation = glm::degrees(asin(normalized_dir.y));
}
else
{
azimuth = glm::degrees(atan2(normalized_dir.y, normalized_dir.x));
elevation = glm::degrees(asin(normalized_dir.z));
}
bool changed = false;
changed |= PropertyEditor::entry("Azimuth", [&]() {
return ImGui::SliderScalar("Azimuth", ImGuiDataType_Double, &azimuth, &min_azimuth, &max_azimuth, "%.1f deg",
ImGuiSliderFlags_NoRoundToFormat);
});
changed |= PropertyEditor::entry("Elevation", [&]() {
return ImGui::SliderScalar("Elevation", ImGuiDataType_Double, &elevation, &min_elevation, &max_elevation,
"%.1f deg", ImGuiSliderFlags_NoRoundToFormat);
});
if(changed)
{
azimuth = glm::radians(azimuth);
elevation = glm::radians(elevation);
double cos_elevation = cos(elevation);
if(yIsUp)
{
direction.y = static_cast<float>(sin(elevation));
direction.x = static_cast<float>(cos(azimuth) * cos_elevation);
direction.z = static_cast<float>(sin(azimuth) * cos_elevation);
}
else
{
direction.z = static_cast<float>(sin(elevation));
direction.x = static_cast<float>(cos(azimuth) * cos_elevation);
direction.y = static_cast<float>(sin(azimuth) * cos_elevation);
}
if(negative)
{
direction = -direction;
}
}
return changed;
}
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