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210 lines
6.8 KiB
C++
210 lines
6.8 KiB
C++
/******************************************************************************
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* File - imgui_ext.cpp
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* Author - Joey Pollack
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* Date - 2022/07/07 (y/m/d)
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* Mod Date - 2022/07/07 (y/m/d)
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* Description - Adds new and custom methods to the imgui api
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******************************************************************************/
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#include "imgui_ext.h"
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#include <dearimgui/imgui.h>
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#include <dearimgui/imgui_internal.h>
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namespace lunarium
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{
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/// This function was taken from the Hazel engine written by Cherno!
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/// https://github.com/TheCherno/Hazel/blob/master/Hazelnut/src/Panels/SceneHierarchyPanel.cpp
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bool ImGuiExt::Vec3Control(const std::string& label, glm::vec3& values, float resetValue, float columnWidth)
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{
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bool values_updated = false;
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ImGui::PushID(label.c_str());
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ImGui::Columns(2);
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ImGui::SetColumnWidth(0, columnWidth);
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ImGui::Text(label.c_str());
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ImGui::NextColumn();
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ImGui::PushMultiItemsWidths(3, ImGui::CalcItemWidth());
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ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2{ 0, 0 });
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float lineHeight = GImGui->Font->FontSize + GImGui->Style.FramePadding.y * 2.0f;
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ImVec2 buttonSize = { lineHeight + 3.0f, lineHeight };
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.9f, 0.2f, 0.2f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
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//ImGui::PushFont(boldFont);
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if (ImGui::Button("X", buttonSize))
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values.x = resetValue;
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//ImGui::PopFont();
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ImGui::PopStyleColor(3);
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ImGui::SameLine();
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values_updated = ImGui::DragFloat("##X", &values.x, 0.1f, 0.0f, 0.0f, "%.2f") | values_updated;
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ImGui::PopItemWidth();
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ImGui::SameLine();
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.2f, 0.7f, 0.2f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.3f, 0.8f, 0.3f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.2f, 0.7f, 0.2f, 1.0f });
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//ImGui::PushFont(boldFont);
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if (ImGui::Button("Y", buttonSize))
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values.y = resetValue;
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//ImGui::PopFont();
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ImGui::PopStyleColor(3);
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ImGui::SameLine();
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values_updated = ImGui::DragFloat("##Y", &values.y, 0.1f, 0.0f, 0.0f, "%.2f") | values_updated;
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ImGui::PopItemWidth();
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ImGui::SameLine();
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.1f, 0.25f, 0.8f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.2f, 0.35f, 0.9f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.1f, 0.25f, 0.8f, 1.0f });
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//ImGui::PushFont(boldFont);
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if (ImGui::Button("Z", buttonSize))
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values.z = resetValue;
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//ImGui::PopFont();
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ImGui::PopStyleColor(3);
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ImGui::SameLine();
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values_updated = ImGui::DragFloat("##Z", &values.z, 0.1f, 0.0f, 0.0f, "%.2f") | values_updated;
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ImGui::PopItemWidth();
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ImGui::PopStyleVar();
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ImGui::Columns(1);
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ImGui::PopID();
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return values_updated;
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}
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bool ImGuiExt::Vec2Control(const std::string& label, glm::vec3& values, float resetValue, float columnWidth)
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{
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bool values_updated = false;
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ImGui::PushID(label.c_str());
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ImGui::Columns(2);
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ImGui::SetColumnWidth(0, columnWidth);
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ImGui::Text(label.c_str());
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ImGui::NextColumn();
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ImGui::PushMultiItemsWidths(3, ImGui::CalcItemWidth());
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ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2{ 0, 0 });
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float lineHeight = GImGui->Font->FontSize + GImGui->Style.FramePadding.y * 2.0f;
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ImVec2 buttonSize = { lineHeight + 3.0f, lineHeight };
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.9f, 0.2f, 0.2f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
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//ImGui::PushFont(boldFont);
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if (ImGui::Button("X", buttonSize))
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values.x = resetValue;
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//ImGui::PopFont();
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ImGui::PopStyleColor(3);
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ImGui::SameLine();
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values_updated = ImGui::DragFloat("##X", &values.x, 0.1f, 0.0f, 0.0f, "%.2f") | values_updated;
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ImGui::PopItemWidth();
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ImGui::SameLine();
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.2f, 0.7f, 0.2f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.3f, 0.8f, 0.3f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.2f, 0.7f, 0.2f, 1.0f });
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//ImGui::PushFont(boldFont);
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if (ImGui::Button("Y", buttonSize))
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values.y = resetValue;
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//ImGui::PopFont();
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ImGui::PopStyleColor(3);
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ImGui::SameLine();
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values_updated = ImGui::DragFloat("##Y", &values.y, 0.1f, 0.0f, 0.0f, "%.2f") | values_updated;
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ImGui::PopItemWidth();
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ImGui::PopStyleVar();
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ImGui::Columns(1);
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ImGui::PopID();
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return values_updated;
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}
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bool ImGuiExt::FloatControl(const std::string& label, float& value, float resetValue, float columnWidth)
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{
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bool values_updated = false;
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ImGui::PushID(label.c_str());
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ImGui::Columns(2);
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ImGui::SetColumnWidth(0, columnWidth);
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ImGui::Text(label.c_str());
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ImGui::NextColumn();
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ImGui::PushMultiItemsWidths(3, ImGui::CalcItemWidth());
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ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2{ 0, 0 });
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float lineHeight = GImGui->Font->FontSize + GImGui->Style.FramePadding.y * 2.0f;
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ImVec2 buttonSize = { lineHeight + 3.0f, lineHeight };
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ImGui::PushStyleColor(ImGuiCol_Button, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4{ 0.9f, 0.2f, 0.2f, 1.0f });
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4{ 0.8f, 0.1f, 0.15f, 1.0f });
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//ImGui::PushFont(boldFont);
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if (ImGui::Button("R", buttonSize))
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value = resetValue;
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//ImGui::PopFont();
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ImGui::PopStyleColor(3);
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ImGui::SameLine();
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values_updated = ImGui::DragFloat("##X", &value, 0.1f, 0.0f, 0.0f, "%.2f");
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ImGui::PopItemWidth();
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ImGui::PopStyleVar();
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ImGui::Columns(1);
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ImGui::PopID();
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return values_updated;
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}
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/// Only works if this is the only item on the line
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void ImGuiExt::TextCentered(const std::string text)
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{
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auto windowWidth = ImGui::GetWindowSize().x;
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auto textWidth = ImGui::CalcTextSize(text.c_str()).x;
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ImGui::SetCursorPosX((windowWidth - textWidth) * 0.5f);
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ImGui::Text(text.c_str());
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}
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// Not recommended but the only way to do it for now
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// https://github.com/ocornut/imgui/discussions/3862
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bool ImGuiExt::ButtonCentered(const char* label, float alignment)
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{
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ImGuiStyle& style = ImGui::GetStyle();
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float size = ImGui::CalcTextSize(label).x + style.FramePadding.x * 2.0f;
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float avail = ImGui::GetContentRegionAvail().x;
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float off = (avail - size) * alignment;
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if (off > 0.0f)
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ImGui::SetCursorPosX(ImGui::GetCursorPosX() + off);
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return ImGui::Button(label);
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}
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bool ImGuiExt::CheckBoxLeft(const char* label, bool* v)
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{
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ImGui::Text(label);
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ImGui::SameLine();
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std::string lb = "##";
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lb.append(label);
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return ImGui::Checkbox(lb.c_str(), v);
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}
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} |