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Add new GUI themes and prep version bump.

Browse Source 
- Everforest
- Kanagawa Paper
- Old Book
- Zenburn

Update help/docs accordingly.
This commit is contained in:
Kyle Isom
2025-12-03 00:05:49 -08:00
parent d706b6db44
commit 64022766c5
7 changed files with 430 additions and 5 deletions
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105
themes/OldBook.h Normal file
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// themes/OldBook.h — Old Book (sepia) inspired ImGui theme (header-only)
#pragma once
#include "ThemeHelpers.h"
// Expects to be included from GUITheme.h after <imgui.h> and RGBA() helper
static void
ApplyOldBookTheme()
{
// Sepia old paper aesthetic
const ImVec4 bg0 = RGBA(0xF5E6C8); // paper
const ImVec4 bg1 = RGBA(0xEAD9B8);
const ImVec4 bg2 = RGBA(0xDECBA6);
const ImVec4 bg3 = RGBA(0xCDBA96);
const ImVec4 ink = RGBA(0x3B2F2F); // dark brown ink
const ImVec4 inkSoft = RGBA(0x5A4540);
// Accents: muted teal/red/blue like aged inks
const ImVec4 teal = RGBA(0x3F7F7A);
const ImVec4 red = RGBA(0xA65858);
const ImVec4 blue = RGBA(0x4F6D8C);
const ImVec4 yellow = RGBA(0xB58B00);
ImGuiStyle &style = ImGui::GetStyle();
style.WindowPadding = ImVec2(8.0f, 8.0f);
style.FramePadding = ImVec2(6.0f, 4.0f);
style.CellPadding = ImVec2(6.0f, 4.0f);
style.ItemSpacing = ImVec2(6.0f, 6.0f);
style.ItemInnerSpacing = ImVec2(6.0f, 4.0f);
style.ScrollbarSize = 14.0f;
style.GrabMinSize = 10.0f;
style.WindowRounding = 4.0f;
style.FrameRounding = 3.0f;
style.PopupRounding = 4.0f;
style.GrabRounding = 3.0f;
style.TabRounding = 4.0f;
style.WindowBorderSize = 1.0f;
style.FrameBorderSize = 1.0f;
ImVec4 *colors = style.Colors;
colors[ImGuiCol_Text] = ink;
colors[ImGuiCol_TextDisabled] = ImVec4(ink.x, ink.y, ink.z, 0.55f);
colors[ImGuiCol_WindowBg] = bg0;
colors[ImGuiCol_ChildBg] = bg0;
colors[ImGuiCol_PopupBg] = ImVec4(bg1.x, bg1.y, bg1.z, 0.98f);
colors[ImGuiCol_Border] = bg2;
colors[ImGuiCol_BorderShadow] = RGBA(0x000000, 0.0f);
colors[ImGuiCol_FrameBg] = bg2;
colors[ImGuiCol_FrameBgHovered] = bg3;
colors[ImGuiCol_FrameBgActive] = bg1;
colors[ImGuiCol_TitleBg] = bg1;
colors[ImGuiCol_TitleBgActive] = bg2;
colors[ImGuiCol_TitleBgCollapsed] = bg1;
colors[ImGuiCol_MenuBarBg] = bg1;
colors[ImGuiCol_ScrollbarBg] = bg0;
colors[ImGuiCol_ScrollbarGrab] = bg3;
colors[ImGuiCol_ScrollbarGrabHovered] = bg2;
colors[ImGuiCol_ScrollbarGrabActive] = bg1;
colors[ImGuiCol_CheckMark] = teal;
colors[ImGuiCol_SliderGrab] = teal;
colors[ImGuiCol_SliderGrabActive] = blue;
colors[ImGuiCol_Button] = bg3;
colors[ImGuiCol_ButtonHovered] = bg2;
colors[ImGuiCol_ButtonActive] = bg1;
colors[ImGuiCol_Header] = bg3;
colors[ImGuiCol_HeaderHovered] = bg2;
colors[ImGuiCol_HeaderActive] = bg2;
colors[ImGuiCol_Separator] = bg2;
colors[ImGuiCol_SeparatorHovered] = bg1;
colors[ImGuiCol_SeparatorActive] = teal;
colors[ImGuiCol_ResizeGrip] = ImVec4(inkSoft.x, inkSoft.y, inkSoft.z, 0.12f);
colors[ImGuiCol_ResizeGripHovered] = ImVec4(teal.x, teal.y, teal.z, 0.67f);
colors[ImGuiCol_ResizeGripActive] = blue;
colors[ImGuiCol_Tab] = bg2;
colors[ImGuiCol_TabHovered] = bg1;
colors[ImGuiCol_TabActive] = bg3;
colors[ImGuiCol_TabUnfocused] = bg2;
colors[ImGuiCol_TabUnfocusedActive] = bg3;
colors[ImGuiCol_TableHeaderBg] = bg2;
colors[ImGuiCol_TableBorderStrong] = bg1;
colors[ImGuiCol_TableBorderLight] = ImVec4(bg1.x, bg1.y, bg1.z, 0.6f);
colors[ImGuiCol_TableRowBg] = ImVec4(bg1.x, bg1.y, bg1.z, 0.2f);
colors[ImGuiCol_TableRowBgAlt] = ImVec4(bg1.x, bg1.y, bg1.z, 0.35f);
colors[ImGuiCol_TextSelectedBg] = ImVec4(red.x, red.y, red.z, 0.25f);
colors[ImGuiCol_DragDropTarget] = red;
colors[ImGuiCol_NavHighlight] = red;
colors[ImGuiCol_NavWindowingHighlight] = ImVec4(inkSoft.x, inkSoft.y, inkSoft.z, 0.70f);
colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.15f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.15f);
colors[ImGuiCol_PlotLines] = teal;
colors[ImGuiCol_PlotLinesHovered] = blue;
colors[ImGuiCol_PlotHistogram] = yellow;
colors[ImGuiCol_PlotHistogramHovered] = red;
}