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kte/themes/KanagawaPaper.h
Kyle Isom c864af7daa
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Add new GUI themes and update documentation.
- Amber
- LCARS
- Orbital
- Weyland-Yutani
- Kanagawa Paper (dark mode extension)

Update help text to reflect additions.
2025-12-03 00:36:01 -08:00

206 lines
7.8 KiB
C

// themes/KanagawaPaper.h — Kanagawa Paper (light) 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
ApplyKanagawaPaperLightTheme()
{
// Approximate Kanagawa Paper (light) palette
const ImVec4 bg0 = RGBA(0xF2EAD3); // paper
const ImVec4 bg1 = RGBA(0xE6DBC3);
const ImVec4 bg2 = RGBA(0xD9CEB5);
const ImVec4 bg3 = RGBA(0xCBBE9E);
const ImVec4 fg0 = RGBA(0x3A3A3A); // ink
const ImVec4 fg1 = RGBA(0x1F1F1F);
// Accents (muted teal/orange/blue)
const ImVec4 teal = RGBA(0x3A7D7C);
const ImVec4 orange = RGBA(0xC4746E);
const ImVec4 blue = RGBA(0x487AA1);
const ImVec4 yellow = RGBA(0xB58900);
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] = 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(fg1.x, fg1.y, fg1.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(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, 0.25f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.25f);
colors[ImGuiCol_PlotLines] = teal;
colors[ImGuiCol_PlotLinesHovered] = blue;
colors[ImGuiCol_PlotHistogram] = yellow;
colors[ImGuiCol_PlotHistogramHovered] = orange;
}
static void
ApplyKanagawaPaperDarkTheme()
{
// Approximate Kanagawa (dark) with paper-inspired warmth
const ImVec4 bg0 = RGBA(0x1F1E1A); // deep warm black
const ImVec4 bg1 = RGBA(0x25241F);
const ImVec4 bg2 = RGBA(0x2E2C26);
const ImVec4 bg3 = RGBA(0x3A372F);
const ImVec4 fg0 = RGBA(0xDCD7BA); // warm ivory ink (kanagawa fg)
const ImVec4 fg1 = RGBA(0xC8C093);
// Accents similar to kanagawa-wave
const ImVec4 teal = RGBA(0x7AA89F);
const ImVec4 orange = RGBA(0xFFA066);
const ImVec4 blue = RGBA(0x7E9CD8);
const ImVec4 yellow = RGBA(0xE6C384);
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 *c = style.Colors;
c[ImGuiCol_Text] = fg0;
c[ImGuiCol_TextDisabled] = ImVec4(fg1.x, fg1.y, fg1.z, 0.6f);
c[ImGuiCol_WindowBg] = bg0;
c[ImGuiCol_ChildBg] = bg0;
c[ImGuiCol_PopupBg] = ImVec4(bg1.x, bg1.y, bg1.z, 0.98f);
c[ImGuiCol_Border] = bg2;
c[ImGuiCol_BorderShadow] = RGBA(0x000000, 0.0f);
c[ImGuiCol_FrameBg] = bg2;
c[ImGuiCol_FrameBgHovered] = bg3;
c[ImGuiCol_FrameBgActive] = bg1;
c[ImGuiCol_TitleBg] = bg1;
c[ImGuiCol_TitleBgActive] = bg2;
c[ImGuiCol_TitleBgCollapsed] = bg1;
c[ImGuiCol_MenuBarBg] = bg1;
c[ImGuiCol_ScrollbarBg] = bg0;
c[ImGuiCol_ScrollbarGrab] = bg3;
c[ImGuiCol_ScrollbarGrabHovered] = bg2;
c[ImGuiCol_ScrollbarGrabActive] = bg1;
c[ImGuiCol_CheckMark] = teal;
c[ImGuiCol_SliderGrab] = teal;
c[ImGuiCol_SliderGrabActive] = blue;
c[ImGuiCol_Button] = bg3;
c[ImGuiCol_ButtonHovered] = bg2;
c[ImGuiCol_ButtonActive] = bg1;
c[ImGuiCol_Header] = bg3;
c[ImGuiCol_HeaderHovered] = bg2;
c[ImGuiCol_HeaderActive] = bg2;
c[ImGuiCol_Separator] = bg2;
c[ImGuiCol_SeparatorHovered] = bg1;
c[ImGuiCol_SeparatorActive] = teal;
c[ImGuiCol_ResizeGrip] = ImVec4(fg1.x, fg1.y, fg1.z, 0.15f);
c[ImGuiCol_ResizeGripHovered] = ImVec4(teal.x, teal.y, teal.z, 0.67f);
c[ImGuiCol_ResizeGripActive] = blue;
c[ImGuiCol_Tab] = bg2;
c[ImGuiCol_TabHovered] = bg1;
c[ImGuiCol_TabActive] = bg3;
c[ImGuiCol_TabUnfocused] = bg2;
c[ImGuiCol_TabUnfocusedActive] = bg3;
c[ImGuiCol_TableHeaderBg] = bg2;
c[ImGuiCol_TableBorderStrong] = bg1;
c[ImGuiCol_TableBorderLight] = ImVec4(bg1.x, bg1.y, bg1.z, 0.6f);
c[ImGuiCol_TableRowBg] = ImVec4(bg1.x, bg1.y, bg1.z, 0.12f);
c[ImGuiCol_TableRowBgAlt] = ImVec4(bg1.x, bg1.y, bg1.z, 0.22f);
c[ImGuiCol_TextSelectedBg] = ImVec4(orange.x, orange.y, orange.z, 0.28f);
c[ImGuiCol_DragDropTarget] = orange;
c[ImGuiCol_NavHighlight] = orange;
c[ImGuiCol_NavWindowingHighlight] = ImVec4(fg1.x, fg1.y, fg1.z, 0.70f);
c[ImGuiCol_NavWindowingDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.35f);
c[ImGuiCol_ModalWindowDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.35f);
c[ImGuiCol_PlotLines] = teal;
c[ImGuiCol_PlotLinesHovered] = blue;
c[ImGuiCol_PlotHistogram] = yellow;
c[ImGuiCol_PlotHistogramHovered] = orange;
}
// Back-compat name kept; select by global background
static inline void
ApplyKanagawaPaperTheme()
{
if (GetBackgroundMode() == BackgroundMode::Dark)
ApplyKanagawaPaperDarkTheme();
else
ApplyKanagawaPaperLightTheme();
}