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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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104
themes/Zenburn.h Normal file
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// themes/Zenburn.h — Zenburn (low-contrast dark) 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
ApplyZenburnTheme()
{
// Zenburn palette (approximate)
const ImVec4 bg0 = RGBA(0x3F3F3F);
const ImVec4 bg1 = RGBA(0x4F4F4F);
const ImVec4 bg2 = RGBA(0x5F5F5F);
const ImVec4 bg3 = RGBA(0x6F6F6F);
const ImVec4 fg0 = RGBA(0xDCDCCC);
const ImVec4 fg1 = RGBA(0xFFFFEF);
const ImVec4 green = RGBA(0x7F9F7F);
const ImVec4 blue = RGBA(0x8CD0D3);
const ImVec4 yellow = RGBA(0xF0DFAF);
const ImVec4 orange = RGBA(0xDCA3A3);
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] = fg0;
colors[ImGuiCol_TextDisabled] = ImVec4(fg0.x, fg0.y, fg0.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] = green;
colors[ImGuiCol_SliderGrab] = green;
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] = blue;
colors[ImGuiCol_ResizeGrip] = ImVec4(fg1.x, fg1.y, fg1.z, 0.12f);
colors[ImGuiCol_ResizeGripHovered] = ImVec4(green.x, green.y, green.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(orange.x, orange.y, orange.z, 0.30f);
colors[ImGuiCol_DragDropTarget] = orange;
colors[ImGuiCol_NavHighlight] = orange;
colors[ImGuiCol_NavWindowingHighlight] = ImVec4(fg1.x, fg1.y, fg1.z, 0.70f);
colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.45f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.45f);
colors[ImGuiCol_PlotLines] = green;
colors[ImGuiCol_PlotLinesHovered] = blue;
colors[ImGuiCol_PlotHistogram] = yellow;
colors[ImGuiCol_PlotHistogramHovered] = orange;
}