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feat: godot-engine-source-4.3-stable

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Jan van der Weide 2025-01-17 16:36:38 +01:00
parent c59a7dcade
commit 7125d019b5
11149 changed files with 5070401 additions and 0 deletions
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16
engine/scene/theme/SCsub Normal file
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#!/usr/bin/env python
Import("env")
import default_theme_builders
env.add_source_files(env.scene_sources, "*.cpp")
SConscript("icons/SCsub")
env.Depends("#scene/theme/default_font.gen.h", "#thirdparty/fonts/OpenSans_SemiBold.woff2")
env.CommandNoCache(
"#scene/theme/default_font.gen.h",
"#thirdparty/fonts/OpenSans_SemiBold.woff2",
env.Run(default_theme_builders.make_fonts_header),
)

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engine/scene/theme/default_theme.cpp Normal file
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engine/scene/theme/default_theme.h Normal file
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/**************************************************************************/
/* default_theme.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef DEFAULT_THEME_H
#define DEFAULT_THEME_H
#include "scene/resources/theme.h"
void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const Ref<Font> &bold_font, const Ref<Font> &bold_italics_font, const Ref<Font> &italics_font, Ref<Texture2D> &default_icon, Ref<StyleBox> &default_style, float p_scale);
void make_default_theme(float p_scale, Ref<Font> p_font, TextServer::SubpixelPositioning p_font_subpixel = TextServer::SUBPIXEL_POSITIONING_AUTO, TextServer::Hinting p_font_hinting = TextServer::HINTING_LIGHT, TextServer::FontAntialiasing p_font_antialiased = TextServer::FONT_ANTIALIASING_GRAY, bool p_font_msdf = false, bool p_font_generate_mipmaps = false);
#endif // DEFAULT_THEME_H

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engine/scene/theme/default_theme_builders.py Normal file
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"""Functions used to generate source files during build time"""
import os
import os.path
def make_fonts_header(target, source, env):
dst = str(target[0])
with open(dst, "w", encoding="utf-8", newline="\n") as g:
g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
g.write("#ifndef _DEFAULT_FONTS_H\n")
g.write("#define _DEFAULT_FONTS_H\n")
# Saving uncompressed, since FreeType will reference from memory pointer.
for i in range(len(source)):
file = str(source[i])
with open(file, "rb") as f:
buf = f.read()
name = os.path.splitext(os.path.basename(file))[0]
g.write("static const int _font_" + name + "_size = " + str(len(buf)) + ";\n")
g.write("static const unsigned char _font_" + name + "[] = {\n")
for j in range(len(buf)):
g.write("\t" + str(buf[j]) + ",\n")
g.write("};\n")
g.write("#endif")

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#!/usr/bin/env python
Import("env")
import default_theme_icons_builders
env["BUILDERS"]["MakeDefaultThemeIconsBuilder"] = Builder(
action=env.Run(default_theme_icons_builders.make_default_theme_icons_action),
suffix=".h",
src_suffix=".svg",
)
# Default theme icons
icon_sources = Glob("*.svg")
env.Alias(
"default_theme_icons",
[env.MakeDefaultThemeIconsBuilder("#scene/theme/default_theme_icons.gen.h", icon_sources)],
)

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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" d="m7 1v6h-6v2h6v6h2v-6h6v-2h-6v-6z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="none" stroke="#b2b2b2" stroke-linecap="round" stroke-linejoin="round" stroke-opacity=".45" stroke-width="2" d="m5 7 3 3 3-3"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="none" stroke="#b2b2b2" stroke-linecap="round" stroke-linejoin="round" stroke-opacity=".45" stroke-width="2" d="m9 11-3-3 3-3"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="none" stroke="#b2b2b2" stroke-linecap="round" stroke-linejoin="round" stroke-opacity=".45" stroke-width="2" d="m6 11 3-3-3-3"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><g fill="#fefffe" fill-opacity=".85"><path d="M14.5 1.5h-13v13L8 9.25l6.5 5.25z"/><path stroke="#fefffe" stroke-linejoin="round" stroke-opacity=".85" d="M14.5 1.5h-13v13L8 9.25l6.5 5.25z"/></g></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><circle cx="8" cy="8" r="7" fill="#ff5d5d" fill-opacity=".5"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><rect width="14" height="14" x="1" y="1" fill="#fff" fill-opacity=".75" rx="2.333"/><path fill="#1a1a1a" d="m11.5 3.75-5.6 5.6-1.7-1.7-1.5 1.5 3.2 3.2 7.1-7.1z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><rect width="14" height="14" x="1" y="1" fill="#fff" fill-opacity=".37" rx="2.333"/><path fill="#1a1a1a" fill-opacity=".5" d="m11.5 3.75-5.6 5.6-1.7-1.7-1.5 1.5 3.2 3.2 7.1-7.1z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#fff" fill-opacity=".75" d="m1 3 2-2 5 5 5-5 2 2-5 5 5 5-2 2-5-5-5 5-2-2 5-5z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#fff" d="m1 3 2-2 5 5 5-5 2 2-5 5 5 5-2 2-5-5-5 5-2-2 5-5z"/></svg>
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engine/scene/theme/icons/color_picker_bar_arrow.svg Normal file
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 20"><path fill="#b2b2b2" stroke="#b2b2b2" stroke-linejoin="round" d="m3.564 15.218h8.872l-4.436-4.436z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><circle cx="8" cy="8" r="5.5" fill="none" stroke="#fff"/><circle cx="8" cy="8" r="4.5" fill="none" stroke="#000"/></svg>
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engine/scene/theme/icons/color_picker_overbright.svg Normal file
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#fff" stroke="#000003" d="m.5.5v10l10-10z"/></svg>
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engine/scene/theme/icons/color_picker_pipette.svg Normal file
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" d="M10 3a1 1 0 0 0-4 0v2H5v2h1v5c0 .712.36 1.372 1 1.73V15h2v-1.27c.618-.36 1-1 1-1.73V7h1V5h-1V3zM7 7h2v5a1 1 0 0 1-2 0z"/></svg>
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"""Functions used to generate source files during build time"""
import os
from io import StringIO
# See also `editor/icons/editor_icons_builders.py`.
def make_default_theme_icons_action(target, source, env):
dst = str(target[0])
svg_icons = [str(x) for x in source]
with StringIO() as icons_string, StringIO() as s:
for f in svg_icons:
fname = str(f)
icons_string.write('\t"')
with open(fname, "rb") as svgf:
b = svgf.read(1)
while len(b) == 1:
icons_string.write("\\" + str(hex(ord(b)))[1:])
b = svgf.read(1)
icons_string.write('"')
if fname != svg_icons[-1]:
icons_string.write(",")
icons_string.write("\n")
s.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n\n")
s.write('#include "modules/modules_enabled.gen.h"\n\n')
s.write("#ifndef _DEFAULT_THEME_ICONS_H\n")
s.write("#define _DEFAULT_THEME_ICONS_H\n")
s.write("static const int default_theme_icons_count = {};\n\n".format(len(svg_icons)))
s.write("#ifdef MODULE_SVG_ENABLED\n")
s.write("static const char *default_theme_icons_sources[] = {\n")
s.write(icons_string.getvalue())
s.write("};\n")
s.write("#endif // MODULE_SVG_ENABLED\n\n")
s.write("static const char *default_theme_icons_names[] = {\n")
index = 0
for f in svg_icons:
fname = str(f)
# Trim the `.svg` extension from the string.
icon_name = os.path.basename(fname)[:-4]
s.write('\t"{0}"'.format(icon_name))
if fname != svg_icons[-1]:
s.write(",")
s.write("\n")
index += 1
s.write("};\n")
s.write("#endif\n")
with open(dst, "w", encoding="utf-8", newline="\n") as f:
f.write(s.getvalue())

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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#ff5d5d" d="M2 1v8.586l1.293-1.293a1 1 0 0 1 1.414 0L7 10.587l2.293-2.293a1 1 0 0 1 1.414 0L13 10.586l1-1V6H9V1H2zm8 0v4h4zm-6 9.414-2 2V15h12v-2.586l-.293.293a1 1 0 0 1-1.414 0L10 10.414l-2.293 2.293a1 1 0 0 1-1.414 0L4 10.414z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" d="M2 1v14h12V6H9V1zm8 0v4h4z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" d="M2 2a1 1 0 0 0-1 1v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V6a1 1 0 0 0-1-1h-4a1 1 0 0 1-1-1V3a1 1 0 0 0-1-1z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" d="M2 3a1 1 0 0 0-1 1v10a1 1 0 0 0 1 1h8v-1H8v-4h2V8h4v2h1V7a1 1 0 0 0-1-1h-4a1 1 0 0 1-1-1V4a1 1 0 0 0-1-1Z"/><path fill="#fefffe" d="M13 13h2v-2h-2V9h-2v2H9v2h2v2h2z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="none" stroke="#b2b2b2" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 11V4m4 4L8 4 4 8"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="10" height="10"><circle cx="5" cy="5" r="5" fill="#fff"/><circle cx="5" cy="5" r="3.667" fill="#b2b2b2" fill-opacity=".65"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><g fill="none" stroke-width="1.3"><path stroke="#fefffe" stroke-linejoin="round" d="M1.87 6.541h2.917v2.917H1.87zm4.666 0h2.917v2.917H6.536zm4.666 0h2.917v2.917h-2.917z"/><path stroke="#e0e0e0" stroke-linecap="round" stroke-opacity=".65" d="m5.432 1.112-1.95 1.95 1.95 1.95m-1.95-1.95h9.386m-2.137 8.05 1.95 1.95-1.95 1.95m-7.437-1.95h9.387"/></g></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" stroke-linejoin="round" stroke-miterlimit="2"><path fill="#b2b2b2" fill-opacity=".65" d="M14 2.199v2.615l-2.625 1.313V3.512zM2 6.264l2.625 1.312v2.551L2 8.814zm12 0v2.55l-2.625 1.313V7.576zM6 7.719h4v2.64H6zm-4 2.56 2.625 1.313v2.521L2 12.801zm12 0v2.522l-2.625 1.312v-2.521zm-8 1.455h4v2.641H6zm4-8.109v2.734H5.844s-.749.647-.875.641c-.131-.007-1.51-1.456-1.51-1.456L2 4.814V2.199l.117.06s-.064-.775.424-1.216L1.279.441A.626.626 0 0 0 .375 1v12c0 .237.134.453.346.559l4 2a.626.626 0 0 0 .279.066h6a.626.626 0 0 0 .279-.066l4-2a.625.625 0 0 0 .346-.559V1a.625.625 0 0 0-.904-.559l-3.869 1.934H7.888s.084.624-.218 1.25z"/><path fill="#fefffe" d="M5 6.25c-4-3.5-2-6 0-6s4 2.5 0 6z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" fill-opacity=".65" d="M3 0v3H0v2h3v4H0v2h3v3h2V5h9V3h-3V0H9v3H5V0zm4 13v2h2v-2zm6 0v2h2v-2z"/><path fill="#fefffe" d="M7 11v2h2v-2a2 2 0 0 1 4 0v2h2v-2a4 4 0 0 0-8 0z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#b2b2b2" fill-opacity=".65" d="M3 0v3H0v2h3v4H0v2h3v3h2V5h9V3h-3V0H9v3H5V0z"/><path fill="#e0e0e0" d="M11 6.62c-1.747 0-3.957 1.344-4.752 3.936a.683.69 0 00-.004.394C7.012 13.665 9.292 14.9 11 14.9c1.708 0 3.988-1.235 4.756-3.95a.683.69 0 000-.382C15.004 7.955 12.746 6.62 11 6.62zM11 8a2.733 2.76 0 012.733 2.76A2.733 2.76 0 0111 13.52a2.733 2.76 0 01-2.733-2.76A2.733 2.76 0 0111 8zm0 1.38a1.367 1.38 0 00-1.367 1.38A1.367 1.38 0 0011 12.14a1.367 1.38 0 001.367-1.38A1.367 1.38 0 0011 9.38z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="4" height="16"><path fill="#fff" fill-opacity=".25" d="M1 0h2v16H1z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="8" height="48"><path fill="gray" fill-opacity=".65" d="M3.15 4v40h1.7V4z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><rect width="14" height="14" x="1" y="1" fill="#fff" fill-opacity=".75" rx="2.333"/><path fill="#1a1a1a" d="m3 7h10v2h-10z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><rect width="14" height="14" x="1" y="1" fill="#fff" fill-opacity=".37" rx="2.333"/><path fill="#1a1a1a" fill-opacity=".5" d="m3 7h10v2h-10z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="gray" d="M0 0v8h8V0zm8 8v8h8V8z"/><path fill="#fff" d="M8 0v8h8V0zm0 8H0v8h8z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12"><path fill="none" stroke="#b2b2b2" stroke-linecap="round" stroke-linejoin="round" stroke-opacity=".85" stroke-width="2" d="m2 4 4 4 4-4"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#eaeaea" d="M6.5 2.5a5.5 5.5 0 0 0 0 11 5.5 5.5 0 0 0 0-11m6.5 0h2v11h-2z"/></svg>
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><circle cx="8" cy="8" r="5.25" fill="none" stroke="#eaeaea" stroke-width="1.75"/><path fill="#eaeaea" d="M4.9 4.9h6.2v6.2H4.9z"/></svg>
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/**************************************************************************/
/* theme_db.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "theme_db.h"
#include "core/config/project_settings.h"
#include "core/io/resource_loader.h"
#include "scene/gui/control.h"
#include "scene/main/node.h"
#include "scene/main/window.h"
#include "scene/resources/font.h"
#include "scene/resources/style_box.h"
#include "scene/resources/texture.h"
#include "scene/theme/default_theme.h"
#include "servers/text_server.h"
// Default engine theme creation and configuration.
void ThemeDB::initialize_theme() {
// Default theme-related project settings.
// Allow creating the default theme at a different scale to suit higher/lower base resolutions.
float default_theme_scale = GLOBAL_DEF(PropertyInfo(Variant::FLOAT, "gui/theme/default_theme_scale", PROPERTY_HINT_RANGE, "0.5,8,0.01", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED), 1.0);
String project_theme_path = GLOBAL_DEF_RST_BASIC(PropertyInfo(Variant::STRING, "gui/theme/custom", PROPERTY_HINT_FILE, "*.tres,*.res,*.theme", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED), "");
String project_font_path = GLOBAL_DEF_RST_BASIC(PropertyInfo(Variant::STRING, "gui/theme/custom_font", PROPERTY_HINT_FILE, "*.tres,*.res,*.otf,*.ttf,*.woff,*.woff2,*.fnt,*.font,*.pfb,*.pfm", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED), "");
TextServer::FontAntialiasing font_antialiasing = (TextServer::FontAntialiasing)(int)GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "gui/theme/default_font_antialiasing", PROPERTY_HINT_ENUM, "None,Grayscale,LCD Subpixel", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED), 1);
TextServer::Hinting font_hinting = (TextServer::Hinting)(int)GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "gui/theme/default_font_hinting", PROPERTY_HINT_ENUM, "None,Light,Normal", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED), TextServer::HINTING_LIGHT);
TextServer::SubpixelPositioning font_subpixel_positioning = (TextServer::SubpixelPositioning)(int)GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "gui/theme/default_font_subpixel_positioning", PROPERTY_HINT_ENUM, "Disabled,Auto,One Half of a Pixel,One Quarter of a Pixel", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_RESTART_IF_CHANGED), TextServer::SUBPIXEL_POSITIONING_AUTO);
const bool font_msdf = GLOBAL_DEF_RST("gui/theme/default_font_multichannel_signed_distance_field", false);
const bool font_generate_mipmaps = GLOBAL_DEF_RST("gui/theme/default_font_generate_mipmaps", false);
GLOBAL_DEF_RST(PropertyInfo(Variant::INT, "gui/theme/lcd_subpixel_layout", PROPERTY_HINT_ENUM, "Disabled,Horizontal RGB,Horizontal BGR,Vertical RGB,Vertical BGR"), 1);
ProjectSettings::get_singleton()->set_restart_if_changed("gui/theme/lcd_subpixel_layout", false);
// Attempt to load custom project theme and font.
if (!project_theme_path.is_empty()) {
Ref<Theme> theme = ResourceLoader::load(project_theme_path);
if (theme.is_valid()) {
set_project_theme(theme);
} else {
ERR_PRINT("Error loading custom project theme '" + project_theme_path + "'");
}
}
Ref<Font> project_font;
if (!project_font_path.is_empty()) {
project_font = ResourceLoader::load(project_font_path);
if (project_font.is_valid()) {
set_fallback_font(project_font);
} else {
ERR_PRINT("Error loading custom project font '" + project_font_path + "'");
}
}
// Always generate the default theme to serve as a fallback for all required theme definitions.
if (RenderingServer::get_singleton()) {
make_default_theme(default_theme_scale, project_font, font_subpixel_positioning, font_hinting, font_antialiasing, font_msdf, font_generate_mipmaps);
}
_init_default_theme_context();
}
void ThemeDB::initialize_theme_noproject() {
if (RenderingServer::get_singleton()) {
make_default_theme(1.0, Ref<Font>());
}
_init_default_theme_context();
}
void ThemeDB::finalize_theme() {
if (!RenderingServer::get_singleton()) {
WARN_PRINT("Finalizing theme when there is no RenderingServer is an error; check the order of operations.");
}
_finalize_theme_contexts();
default_theme.unref();
fallback_font.unref();
fallback_icon.unref();
fallback_stylebox.unref();
}
// Global Theme resources.
void ThemeDB::set_default_theme(const Ref<Theme> &p_default) {
default_theme = p_default;
}
Ref<Theme> ThemeDB::get_default_theme() {
return default_theme;
}
void ThemeDB::set_project_theme(const Ref<Theme> &p_project_default) {
project_theme = p_project_default;
}
Ref<Theme> ThemeDB::get_project_theme() {
return project_theme;
}
// Universal fallback values for theme item types.
void ThemeDB::set_fallback_base_scale(float p_base_scale) {
if (fallback_base_scale == p_base_scale) {
return;
}
fallback_base_scale = p_base_scale;
emit_signal(SNAME("fallback_changed"));
}
float ThemeDB::get_fallback_base_scale() {
return fallback_base_scale;
}
void ThemeDB::set_fallback_font(const Ref<Font> &p_font) {
if (fallback_font == p_font) {
return;
}
fallback_font = p_font;
emit_signal(SNAME("fallback_changed"));
}
Ref<Font> ThemeDB::get_fallback_font() {
return fallback_font;
}
void ThemeDB::set_fallback_font_size(int p_font_size) {
if (fallback_font_size == p_font_size) {
return;
}
fallback_font_size = p_font_size;
emit_signal(SNAME("fallback_changed"));
}
int ThemeDB::get_fallback_font_size() {
return fallback_font_size;
}
void ThemeDB::set_fallback_icon(const Ref<Texture2D> &p_icon) {
if (fallback_icon == p_icon) {
return;
}
fallback_icon = p_icon;
emit_signal(SNAME("fallback_changed"));
}
Ref<Texture2D> ThemeDB::get_fallback_icon() {
return fallback_icon;
}
void ThemeDB::set_fallback_stylebox(const Ref<StyleBox> &p_stylebox) {
if (fallback_stylebox == p_stylebox) {
return;
}
fallback_stylebox = p_stylebox;
emit_signal(SNAME("fallback_changed"));
}
Ref<StyleBox> ThemeDB::get_fallback_stylebox() {
return fallback_stylebox;
}
void ThemeDB::get_native_type_dependencies(const StringName &p_base_type, List<StringName> *p_list) {
ERR_FAIL_NULL(p_list);
// TODO: It may make sense to stop at Control/Window, because their parent classes cannot be used in
// a meaningful way.
StringName class_name = p_base_type;
while (class_name != StringName()) {
p_list->push_back(class_name);
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
}
// Global theme contexts.
ThemeContext *ThemeDB::create_theme_context(Node *p_node, List<Ref<Theme>> &p_themes) {
ERR_FAIL_COND_V(!p_node->is_inside_tree(), nullptr);
ERR_FAIL_COND_V(theme_contexts.has(p_node), nullptr);
ERR_FAIL_COND_V(p_themes.is_empty(), nullptr);
ThemeContext *context = memnew(ThemeContext);
context->node = p_node;
context->parent = get_nearest_theme_context(p_node);
context->set_themes(p_themes);
theme_contexts[p_node] = context;
_propagate_theme_context(p_node, context);
p_node->connect(SceneStringName(tree_exited), callable_mp(this, &ThemeDB::destroy_theme_context).bind(p_node));
return context;
}
void ThemeDB::destroy_theme_context(Node *p_node) {
ERR_FAIL_COND(!theme_contexts.has(p_node));
p_node->disconnect(SceneStringName(tree_exited), callable_mp(this, &ThemeDB::destroy_theme_context));
ThemeContext *context = theme_contexts[p_node];
theme_contexts.erase(p_node);
_propagate_theme_context(p_node, context->parent);
memdelete(context);
}
void ThemeDB::_propagate_theme_context(Node *p_from_node, ThemeContext *p_context) {
Control *from_control = Object::cast_to<Control>(p_from_node);
Window *from_window = from_control ? nullptr : Object::cast_to<Window>(p_from_node);
if (from_control) {
from_control->set_theme_context(p_context);
} else if (from_window) {
from_window->set_theme_context(p_context);
}
for (int i = 0; i < p_from_node->get_child_count(); i++) {
Node *child_node = p_from_node->get_child(i);
// If the child is the root of another global context, stop the propagation
// in this branch.
if (theme_contexts.has(child_node)) {
theme_contexts[child_node]->parent = p_context;
continue;
}
_propagate_theme_context(child_node, p_context);
}
}
void ThemeDB::_init_default_theme_context() {
default_theme_context = memnew(ThemeContext);
List<Ref<Theme>> themes;
// Only add the project theme to the default context when running projects.
#ifdef TOOLS_ENABLED
if (!Engine::get_singleton()->is_editor_hint()) {
themes.push_back(project_theme);
}
#else
themes.push_back(project_theme);
#endif
themes.push_back(default_theme);
default_theme_context->set_themes(themes);
}
void ThemeDB::_finalize_theme_contexts() {
if (default_theme_context) {
memdelete(default_theme_context);
default_theme_context = nullptr;
}
while (theme_contexts.size()) {
HashMap<Node *, ThemeContext *>::Iterator E = theme_contexts.begin();
memdelete(E->value);
theme_contexts.remove(E);
}
}
ThemeContext *ThemeDB::get_theme_context(Node *p_node) const {
if (!theme_contexts.has(p_node)) {
return nullptr;
}
return theme_contexts[p_node];
}
ThemeContext *ThemeDB::get_default_theme_context() const {
return default_theme_context;
}
ThemeContext *ThemeDB::get_nearest_theme_context(Node *p_for_node) const {
ERR_FAIL_COND_V(!p_for_node->is_inside_tree(), nullptr);
Node *parent_node = p_for_node->get_parent();
while (parent_node) {
if (theme_contexts.has(parent_node)) {
return theme_contexts[parent_node];
}
parent_node = parent_node->get_parent();
}
return nullptr;
}
// Theme item binding.
void ThemeDB::bind_class_item(Theme::DataType p_data_type, const StringName &p_class_name, const StringName &p_prop_name, const StringName &p_item_name, ThemeItemSetter p_setter) {
ERR_FAIL_COND_MSG(theme_item_binds[p_class_name].has(p_prop_name), vformat("Failed to bind theme item '%s' in class '%s': already bound", p_prop_name, p_class_name));
ThemeItemBind bind;
bind.data_type = p_data_type;
bind.class_name = p_class_name;
bind.item_name = p_item_name;
bind.setter = p_setter;
theme_item_binds[p_class_name][p_prop_name] = bind;
theme_item_binds_list[p_class_name].push_back(bind);
}
void ThemeDB::bind_class_external_item(Theme::DataType p_data_type, const StringName &p_class_name, const StringName &p_prop_name, const StringName &p_item_name, const StringName &p_type_name, ThemeItemSetter p_setter) {
ERR_FAIL_COND_MSG(theme_item_binds[p_class_name].has(p_prop_name), vformat("Failed to bind theme item '%s' in class '%s': already bound", p_prop_name, p_class_name));
ThemeItemBind bind;
bind.data_type = p_data_type;
bind.class_name = p_class_name;
bind.item_name = p_item_name;
bind.type_name = p_type_name;
bind.external = true;
bind.setter = p_setter;
theme_item_binds[p_class_name][p_prop_name] = bind;
theme_item_binds_list[p_class_name].push_back(bind);
}
void ThemeDB::update_class_instance_items(Node *p_instance) {
ERR_FAIL_NULL(p_instance);
// Use the hierarchy to initialize all inherited theme caches. Setters carry the necessary
// context and will set the values appropriately.
StringName class_name = p_instance->get_class();
while (class_name != StringName()) {
HashMap<StringName, HashMap<StringName, ThemeItemBind>>::Iterator E = theme_item_binds.find(class_name);
if (E) {
for (const KeyValue<StringName, ThemeItemBind> &F : E->value) {
F.value.setter(p_instance);
}
}
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
}
void ThemeDB::get_class_items(const StringName &p_class_name, List<ThemeItemBind> *r_list, bool p_include_inherited, Theme::DataType p_filter_type) {
List<StringName> class_hierarchy;
StringName class_name = p_class_name;
while (class_name != StringName()) {
class_hierarchy.push_front(class_name); // Put parent classes in front.
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
HashSet<StringName> inherited_props;
for (const StringName &theme_type : class_hierarchy) {
HashMap<StringName, List<ThemeItemBind>>::Iterator E = theme_item_binds_list.find(theme_type);
if (E) {
for (const ThemeItemBind &F : E->value) {
if (p_filter_type != Theme::DATA_TYPE_MAX && F.data_type != p_filter_type) {
continue;
}
if (inherited_props.has(F.item_name)) {
continue; // Skip inherited properties.
}
if (F.external || F.class_name != p_class_name) {
inherited_props.insert(F.item_name);
if (!p_include_inherited) {
continue; // Track properties defined in parent classes, and skip them.
}
}
r_list->push_back(F);
}
}
}
}
void ThemeDB::_sort_theme_items() {
for (KeyValue<StringName, List<ThemeDB::ThemeItemBind>> &E : theme_item_binds_list) {
E.value.sort_custom<ThemeItemBind::SortByType>();
}
}
// Object methods.
void ThemeDB::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_default_theme"), &ThemeDB::get_default_theme);
ClassDB::bind_method(D_METHOD("get_project_theme"), &ThemeDB::get_project_theme);
ClassDB::bind_method(D_METHOD("set_fallback_base_scale", "base_scale"), &ThemeDB::set_fallback_base_scale);
ClassDB::bind_method(D_METHOD("get_fallback_base_scale"), &ThemeDB::get_fallback_base_scale);
ClassDB::bind_method(D_METHOD("set_fallback_font", "font"), &ThemeDB::set_fallback_font);
ClassDB::bind_method(D_METHOD("get_fallback_font"), &ThemeDB::get_fallback_font);
ClassDB::bind_method(D_METHOD("set_fallback_font_size", "font_size"), &ThemeDB::set_fallback_font_size);
ClassDB::bind_method(D_METHOD("get_fallback_font_size"), &ThemeDB::get_fallback_font_size);
ClassDB::bind_method(D_METHOD("set_fallback_icon", "icon"), &ThemeDB::set_fallback_icon);
ClassDB::bind_method(D_METHOD("get_fallback_icon"), &ThemeDB::get_fallback_icon);
ClassDB::bind_method(D_METHOD("set_fallback_stylebox", "stylebox"), &ThemeDB::set_fallback_stylebox);
ClassDB::bind_method(D_METHOD("get_fallback_stylebox"), &ThemeDB::get_fallback_stylebox);
ADD_GROUP("Fallback values", "fallback_");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "fallback_base_scale", PROPERTY_HINT_RANGE, "0.0,2.0,0.01,or_greater"), "set_fallback_base_scale", "get_fallback_base_scale");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "fallback_font", PROPERTY_HINT_RESOURCE_TYPE, "Font", PROPERTY_USAGE_NONE), "set_fallback_font", "get_fallback_font");
ADD_PROPERTY(PropertyInfo(Variant::INT, "fallback_font_size", PROPERTY_HINT_RANGE, "0,256,1,or_greater,suffix:px"), "set_fallback_font_size", "get_fallback_font_size");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "fallback_icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D", PROPERTY_USAGE_NONE), "set_fallback_icon", "get_fallback_icon");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "fallback_stylebox", PROPERTY_HINT_RESOURCE_TYPE, "StyleBox", PROPERTY_USAGE_NONE), "set_fallback_stylebox", "get_fallback_stylebox");
ADD_SIGNAL(MethodInfo("fallback_changed"));
}
// Memory management, reference, and initialization.
ThemeDB *ThemeDB::singleton = nullptr;
ThemeDB *ThemeDB::get_singleton() {
return singleton;
}
ThemeDB::ThemeDB() {
singleton = this;
if (MessageQueue::get_singleton()) { // May not exist in tests etc.
callable_mp(this, &ThemeDB::_sort_theme_items).call_deferred();
}
}
ThemeDB::~ThemeDB() {
// For technical reasons unit tests recreate and destroy the default
// theme over and over again. Make sure that finalize_theme() also
// frees any objects that can be recreated by initialize_theme*().
_finalize_theme_contexts();
default_theme.unref();
project_theme.unref();
fallback_font.unref();
fallback_icon.unref();
fallback_stylebox.unref();
singleton = nullptr;
}
void ThemeContext::_emit_changed() {
emit_signal(CoreStringName(changed));
}
void ThemeContext::set_themes(List<Ref<Theme>> &p_themes) {
for (const Ref<Theme> &theme : themes) {
theme->disconnect_changed(callable_mp(this, &ThemeContext::_emit_changed));
}
themes.clear();
for (const Ref<Theme> &theme : p_themes) {
if (theme.is_null()) {
continue;
}
themes.push_back(theme);
theme->connect_changed(callable_mp(this, &ThemeContext::_emit_changed));
}
_emit_changed();
}
List<Ref<Theme>> ThemeContext::get_themes() const {
return themes;
}
Ref<Theme> ThemeContext::get_fallback_theme() const {
// We expect all contexts to be valid and non-empty, but just in case...
if (themes.size() == 0) {
return ThemeDB::get_singleton()->get_default_theme();
}
return themes.back()->get();
}
void ThemeContext::_bind_methods() {
ADD_SIGNAL(MethodInfo("changed"));
}

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/**************************************************************************/
/* theme_db.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef THEME_DB_H
#define THEME_DB_H
#include "core/object/class_db.h"
#include "core/object/ref_counted.h"
#include "scene/resources/theme.h"
#include <functional>
class Font;
class Node;
class StyleBox;
class Texture2D;
class ThemeContext;
// Macros for binding theme items of this class. This information is used for the documentation, theme
// overrides, etc. This is also the basis for theme cache.
#define BIND_THEME_ITEM(m_data_type, m_class, m_prop) \
ThemeDB::get_singleton()->bind_class_item(m_data_type, get_class_static(), #m_prop, #m_prop, [](Node *p_instance) { \
m_class *p_cast = Object::cast_to<m_class>(p_instance); \
p_cast->theme_cache.m_prop = p_cast->get_theme_item(m_data_type, _scs_create(#m_prop)); \
})
#define BIND_THEME_ITEM_CUSTOM(m_data_type, m_class, m_prop, m_item_name) \
ThemeDB::get_singleton()->bind_class_item(m_data_type, get_class_static(), #m_prop, m_item_name, [](Node *p_instance) { \
m_class *p_cast = Object::cast_to<m_class>(p_instance); \
p_cast->theme_cache.m_prop = p_cast->get_theme_item(m_data_type, _scs_create(m_item_name)); \
})
// Macro for binding theme items used by this class, but defined/binded by other classes. This is primarily used for
// the theme cache. Can also be used to list such items in documentation.
#define BIND_THEME_ITEM_EXT(m_data_type, m_class, m_prop, m_item_name, m_type_name) \
ThemeDB::get_singleton()->bind_class_external_item(m_data_type, get_class_static(), #m_prop, m_item_name, m_type_name, [](Node *p_instance) { \
m_class *p_cast = Object::cast_to<m_class>(p_instance); \
p_cast->theme_cache.m_prop = p_cast->get_theme_item(m_data_type, _scs_create(m_item_name), _scs_create(m_type_name)); \
})
class ThemeDB : public Object {
GDCLASS(ThemeDB, Object);
static ThemeDB *singleton;
// Global Theme resources used by the default theme context.
Ref<Theme> default_theme;
Ref<Theme> project_theme;
// Universal default values, final fallback for every theme.
float fallback_base_scale = 1.0;
Ref<Font> fallback_font;
int fallback_font_size = 16;
Ref<Texture2D> fallback_icon;
Ref<StyleBox> fallback_stylebox;
// Global theme contexts used to scope global Theme resources.
ThemeContext *default_theme_context = nullptr;
HashMap<Node *, ThemeContext *> theme_contexts;
void _propagate_theme_context(Node *p_from_node, ThemeContext *p_context);
void _init_default_theme_context();
void _finalize_theme_contexts();
// Binding of theme items to Node classes.
public:
typedef std::function<void(Node *)> ThemeItemSetter;
struct ThemeItemBind {
Theme::DataType data_type;
StringName class_name;
StringName item_name;
StringName type_name;
bool external = false;
ThemeItemSetter setter;
struct SortByType {
_FORCE_INLINE_ bool operator()(const ThemeItemBind &l, const ThemeItemBind &r) const {
return l.data_type < r.data_type;
}
};
};
private:
HashMap<StringName, HashMap<StringName, ThemeItemBind>> theme_item_binds;
HashMap<StringName, List<ThemeItemBind>> theme_item_binds_list; // Used for listing purposes.
void _sort_theme_items();
protected:
static void _bind_methods();
public:
void initialize_theme();
void initialize_theme_noproject();
void finalize_theme();
// Global Theme resources.
void set_default_theme(const Ref<Theme> &p_default);
Ref<Theme> get_default_theme();
void set_project_theme(const Ref<Theme> &p_project_default);
Ref<Theme> get_project_theme();
// Universal fallback values.
void set_fallback_base_scale(float p_base_scale);
float get_fallback_base_scale();
void set_fallback_font(const Ref<Font> &p_font);
Ref<Font> get_fallback_font();
void set_fallback_font_size(int p_font_size);
int get_fallback_font_size();
void set_fallback_icon(const Ref<Texture2D> &p_icon);
Ref<Texture2D> get_fallback_icon();
void set_fallback_stylebox(const Ref<StyleBox> &p_stylebox);
Ref<StyleBox> get_fallback_stylebox();
void get_native_type_dependencies(const StringName &p_base_type, List<StringName> *p_list);
// Global theme contexts.
ThemeContext *create_theme_context(Node *p_node, List<Ref<Theme>> &p_themes);
void destroy_theme_context(Node *p_node);
ThemeContext *get_theme_context(Node *p_node) const;
ThemeContext *get_default_theme_context() const;
ThemeContext *get_nearest_theme_context(Node *p_for_node) const;
// Theme item binding.
void bind_class_item(Theme::DataType p_data_type, const StringName &p_class_name, const StringName &p_prop_name, const StringName &p_item_name, ThemeItemSetter p_setter);
void bind_class_external_item(Theme::DataType p_data_type, const StringName &p_class_name, const StringName &p_prop_name, const StringName &p_item_name, const StringName &p_type_name, ThemeItemSetter p_setter);
void update_class_instance_items(Node *p_instance);
void get_class_items(const StringName &p_class_name, List<ThemeItemBind> *r_list, bool p_include_inherited = false, Theme::DataType p_filter_type = Theme::DATA_TYPE_MAX);
// Memory management, reference, and initialization.
static ThemeDB *get_singleton();
ThemeDB();
~ThemeDB();
};
class ThemeContext : public Object {
GDCLASS(ThemeContext, Object);
friend class ThemeDB;
Node *node = nullptr;
ThemeContext *parent = nullptr;
// Themes are stacked in the order of relevance, for easy iteration.
// This means that the first theme is the one you should check first,
// and the last theme is the fallback theme where every lookup ends.
List<Ref<Theme>> themes;
void _emit_changed();
protected:
static void _bind_methods();
public:
void set_themes(List<Ref<Theme>> &p_themes);
List<Ref<Theme>> get_themes() const;
Ref<Theme> get_fallback_theme() const;
};
#endif // THEME_DB_H

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/**************************************************************************/
/* theme_owner.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "theme_owner.h"
#include "scene/gui/control.h"
#include "scene/main/window.h"
#include "scene/theme/theme_db.h"
// Theme owner node.
void ThemeOwner::set_owner_node(Node *p_node) {
owner_control = nullptr;
owner_window = nullptr;
Control *c = Object::cast_to<Control>(p_node);
if (c) {
owner_control = c;
return;
}
Window *w = Object::cast_to<Window>(p_node);
if (w) {
owner_window = w;
return;
}
}
Node *ThemeOwner::get_owner_node() const {
if (owner_control) {
return owner_control;
} else if (owner_window) {
return owner_window;
}
return nullptr;
}
bool ThemeOwner::has_owner_node() const {
return bool(owner_control || owner_window);
}
void ThemeOwner::set_owner_context(ThemeContext *p_context, bool p_propagate) {
ThemeContext *default_context = ThemeDB::get_singleton()->get_default_theme_context();
if (owner_context && owner_context->is_connected(CoreStringName(changed), callable_mp(this, &ThemeOwner::_owner_context_changed))) {
owner_context->disconnect(CoreStringName(changed), callable_mp(this, &ThemeOwner::_owner_context_changed));
} else if (default_context->is_connected(CoreStringName(changed), callable_mp(this, &ThemeOwner::_owner_context_changed))) {
default_context->disconnect(CoreStringName(changed), callable_mp(this, &ThemeOwner::_owner_context_changed));
}
owner_context = p_context;
if (owner_context) {
owner_context->connect(CoreStringName(changed), callable_mp(this, &ThemeOwner::_owner_context_changed));
} else {
default_context->connect(CoreStringName(changed), callable_mp(this, &ThemeOwner::_owner_context_changed));
}
if (p_propagate) {
_owner_context_changed();
}
}
void ThemeOwner::_owner_context_changed() {
if (!holder->is_inside_tree()) {
// We ignore theme changes outside of tree, because NOTIFICATION_ENTER_TREE covers everything.
return;
}
Control *c = Object::cast_to<Control>(holder);
Window *w = c == nullptr ? Object::cast_to<Window>(holder) : nullptr;
if (c) {
c->notification(Control::NOTIFICATION_THEME_CHANGED);
} else if (w) {
w->notification(Window::NOTIFICATION_THEME_CHANGED);
}
}
ThemeContext *ThemeOwner::_get_active_owner_context() const {
if (owner_context) {
return owner_context;
}
return ThemeDB::get_singleton()->get_default_theme_context();
}
// Theme propagation.
void ThemeOwner::assign_theme_on_parented(Node *p_for_node) {
// We check if there are any themes affecting the parent. If that's the case
// its children also need to be affected.
// We don't notify here because `NOTIFICATION_THEME_CHANGED` will be handled
// a bit later by `NOTIFICATION_ENTER_TREE`.
Node *parent = p_for_node->get_parent();
Control *parent_c = Object::cast_to<Control>(parent);
if (parent_c && parent_c->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, parent_c->get_theme_owner_node(), false, true);
} else {
Window *parent_w = Object::cast_to<Window>(parent);
if (parent_w && parent_w->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, parent_w->get_theme_owner_node(), false, true);
}
}
}
void ThemeOwner::clear_theme_on_unparented(Node *p_for_node) {
// We check if there were any themes affecting the parent. If that's the case
// its children need were also affected and need to be updated.
// We don't notify because we're exiting the tree, and it's not important.
Node *parent = p_for_node->get_parent();
Control *parent_c = Object::cast_to<Control>(parent);
if (parent_c && parent_c->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, nullptr, false, true);
} else {
Window *parent_w = Object::cast_to<Window>(parent);
if (parent_w && parent_w->has_theme_owner_node()) {
propagate_theme_changed(p_for_node, nullptr, false, true);
}
}
}
void ThemeOwner::propagate_theme_changed(Node *p_to_node, Node *p_owner_node, bool p_notify, bool p_assign) {
Control *c = Object::cast_to<Control>(p_to_node);
Window *w = c == nullptr ? Object::cast_to<Window>(p_to_node) : nullptr;
if (!c && !w) {
// Theme inheritance chains are broken by nodes that aren't Control or Window.
return;
}
bool assign = p_assign;
if (c) {
if (c != p_owner_node && c->get_theme().is_valid()) {
// Has a theme, so we don't want to change the theme owner,
// but we still want to propagate in case this child has theme items
// it inherits from the theme this node uses.
// See https://github.com/godotengine/godot/issues/62844.
assign = false;
}
if (assign) {
c->set_theme_owner_node(p_owner_node);
}
if (p_notify) {
c->notification(Control::NOTIFICATION_THEME_CHANGED);
}
} else if (w) {
if (w != p_owner_node && w->get_theme().is_valid()) {
// Same as above.
assign = false;
}
if (assign) {
w->set_theme_owner_node(p_owner_node);
}
if (p_notify) {
w->notification(Window::NOTIFICATION_THEME_CHANGED);
}
}
for (int i = 0; i < p_to_node->get_child_count(); i++) {
propagate_theme_changed(p_to_node->get_child(i), p_owner_node, p_notify, assign);
}
}
// Theme lookup.
void ThemeOwner::get_theme_type_dependencies(const Node *p_for_node, const StringName &p_theme_type, List<StringName> *r_list) const {
const Control *for_c = Object::cast_to<Control>(p_for_node);
const Window *for_w = Object::cast_to<Window>(p_for_node);
ERR_FAIL_COND_MSG(!for_c && !for_w, "Only Control and Window nodes and derivatives can be polled for theming.");
StringName type_name = p_for_node->get_class_name();
StringName type_variation;
if (for_c) {
type_variation = for_c->get_theme_type_variation();
} else if (for_w) {
type_variation = for_w->get_theme_type_variation();
}
// If we are looking for dependencies of the current class (or a variation of it), check relevant themes.
if (p_theme_type == StringName() || p_theme_type == type_name || p_theme_type == type_variation) {
// We need one theme that can give us a valid dependency chain. It must be complete
// (i.e. variations can depend on other variations, but only within the same theme,
// and eventually the chain must lead to native types).
// First, look through themes owned by nodes in the tree.
Node *owner_node = get_owner_node();
while (owner_node) {
Ref<Theme> owner_theme = _get_owner_node_theme(owner_node);
if (owner_theme.is_valid() && owner_theme->get_type_variation_base(type_variation) != StringName()) {
owner_theme->get_type_dependencies(type_name, type_variation, r_list);
return;
}
owner_node = _get_next_owner_node(owner_node);
}
// Second, check global contexts.
ThemeContext *global_context = _get_active_owner_context();
for (const Ref<Theme> &theme : global_context->get_themes()) {
if (theme.is_valid() && theme->get_type_variation_base(type_variation) != StringName()) {
theme->get_type_dependencies(type_name, type_variation, r_list);
return;
}
}
// If nothing was found, get the native dependencies for the current class.
ThemeDB::get_singleton()->get_native_type_dependencies(type_name, r_list);
return;
}
// Otherwise, get the native dependencies for the provided theme type.
ThemeDB::get_singleton()->get_native_type_dependencies(p_theme_type, r_list);
}
Variant ThemeOwner::get_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, const List<StringName> &p_theme_types) {
ERR_FAIL_COND_V_MSG(p_theme_types.is_empty(), Variant(), "At least one theme type must be specified.");
// First, look through each control or window node in the branch, until no valid parent can be found.
// Only nodes with a theme resource attached are considered.
Node *owner_node = get_owner_node();
while (owner_node) {
// For each theme resource check the theme types provided and see if p_name exists with any of them.
for (const StringName &E : p_theme_types) {
Ref<Theme> owner_theme = _get_owner_node_theme(owner_node);
if (owner_theme.is_valid() && owner_theme->has_theme_item(p_data_type, p_name, E)) {
return owner_theme->get_theme_item(p_data_type, p_name, E);
}
}
owner_node = _get_next_owner_node(owner_node);
}
// Second, check global themes from the appropriate context.
ThemeContext *global_context = _get_active_owner_context();
for (const Ref<Theme> &theme : global_context->get_themes()) {
if (theme.is_valid()) {
for (const StringName &E : p_theme_types) {
if (theme->has_theme_item(p_data_type, p_name, E)) {
return theme->get_theme_item(p_data_type, p_name, E);
}
}
}
}
// Finally, if no match exists, use any type to return the default/empty value.
return global_context->get_fallback_theme()->get_theme_item(p_data_type, p_name, StringName());
}
bool ThemeOwner::has_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, const List<StringName> &p_theme_types) {
ERR_FAIL_COND_V_MSG(p_theme_types.is_empty(), false, "At least one theme type must be specified.");
// First, look through each control or window node in the branch, until no valid parent can be found.
// Only nodes with a theme resource attached are considered.
Node *owner_node = get_owner_node();
while (owner_node) {
// For each theme resource check the theme types provided and see if p_name exists with any of them.
for (const StringName &E : p_theme_types) {
Ref<Theme> owner_theme = _get_owner_node_theme(owner_node);
if (owner_theme.is_valid() && owner_theme->has_theme_item(p_data_type, p_name, E)) {
return true;
}
}
owner_node = _get_next_owner_node(owner_node);
}
// Second, check global themes from the appropriate context.
ThemeContext *global_context = _get_active_owner_context();
for (const Ref<Theme> &theme : global_context->get_themes()) {
if (theme.is_valid()) {
for (const StringName &E : p_theme_types) {
if (theme->has_theme_item(p_data_type, p_name, E)) {
return true;
}
}
}
}
// Finally, if no match exists, return false.
return false;
}
float ThemeOwner::get_theme_default_base_scale() {
// First, look through each control or window node in the branch, until no valid parent can be found.
// Only nodes with a theme resource attached are considered.
// For each theme resource see if their assigned theme has the default value defined and valid.
Node *owner_node = get_owner_node();
while (owner_node) {
Ref<Theme> owner_theme = _get_owner_node_theme(owner_node);
if (owner_theme.is_valid() && owner_theme->has_default_base_scale()) {
return owner_theme->get_default_base_scale();
}
owner_node = _get_next_owner_node(owner_node);
}
// Second, check global themes from the appropriate context.
ThemeContext *global_context = _get_active_owner_context();
for (const Ref<Theme> &theme : global_context->get_themes()) {
if (theme.is_valid()) {
if (theme->has_default_base_scale()) {
return theme->get_default_base_scale();
}
}
}
// Finally, if no match exists, return the universal default.
return ThemeDB::get_singleton()->get_fallback_base_scale();
}
Ref<Font> ThemeOwner::get_theme_default_font() {
// First, look through each control or window node in the branch, until no valid parent can be found.
// Only nodes with a theme resource attached are considered.
// For each theme resource see if their assigned theme has the default value defined and valid.
Node *owner_node = get_owner_node();
while (owner_node) {
Ref<Theme> owner_theme = _get_owner_node_theme(owner_node);
if (owner_theme.is_valid() && owner_theme->has_default_font()) {
return owner_theme->get_default_font();
}
owner_node = _get_next_owner_node(owner_node);
}
// Second, check global themes from the appropriate context.
ThemeContext *global_context = _get_active_owner_context();
for (const Ref<Theme> &theme : global_context->get_themes()) {
if (theme.is_valid()) {
if (theme->has_default_font()) {
return theme->get_default_font();
}
}
}
// Finally, if no match exists, return the universal default.
return ThemeDB::get_singleton()->get_fallback_font();
}
int ThemeOwner::get_theme_default_font_size() {
// First, look through each control or window node in the branch, until no valid parent can be found.
// Only nodes with a theme resource attached are considered.
// For each theme resource see if their assigned theme has the default value defined and valid.
Node *owner_node = get_owner_node();
while (owner_node) {
Ref<Theme> owner_theme = _get_owner_node_theme(owner_node);
if (owner_theme.is_valid() && owner_theme->has_default_font_size()) {
return owner_theme->get_default_font_size();
}
owner_node = _get_next_owner_node(owner_node);
}
// Second, check global themes from the appropriate context.
ThemeContext *global_context = _get_active_owner_context();
for (const Ref<Theme> &theme : global_context->get_themes()) {
if (theme.is_valid()) {
if (theme->has_default_font_size()) {
return theme->get_default_font_size();
}
}
}
// Finally, if no match exists, return the universal default.
return ThemeDB::get_singleton()->get_fallback_font_size();
}
Ref<Theme> ThemeOwner::_get_owner_node_theme(Node *p_owner_node) const {
const Control *owner_c = Object::cast_to<Control>(p_owner_node);
if (owner_c) {
return owner_c->get_theme();
}
const Window *owner_w = Object::cast_to<Window>(p_owner_node);
if (owner_w) {
return owner_w->get_theme();
}
return Ref<Theme>();
}
Node *ThemeOwner::_get_next_owner_node(Node *p_from_node) const {
Node *parent = p_from_node->get_parent();
Control *parent_c = Object::cast_to<Control>(parent);
if (parent_c) {
return parent_c->get_theme_owner_node();
} else {
Window *parent_w = Object::cast_to<Window>(parent);
if (parent_w) {
return parent_w->get_theme_owner_node();
}
}
return nullptr;
}

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/**************************************************************************/
/* theme_owner.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef THEME_OWNER_H
#define THEME_OWNER_H
#include "core/object/object.h"
#include "scene/resources/theme.h"
class Control;
class Node;
class ThemeContext;
class Window;
class ThemeOwner : public Object {
Node *holder = nullptr;
Control *owner_control = nullptr;
Window *owner_window = nullptr;
ThemeContext *owner_context = nullptr;
void _owner_context_changed();
ThemeContext *_get_active_owner_context() const;
Node *_get_next_owner_node(Node *p_from_node) const;
Ref<Theme> _get_owner_node_theme(Node *p_owner_node) const;
public:
// Theme owner node.
void set_owner_node(Node *p_node);
Node *get_owner_node() const;
bool has_owner_node() const;
void set_owner_context(ThemeContext *p_context, bool p_propagate = true);
// Theme propagation.
void assign_theme_on_parented(Node *p_for_node);
void clear_theme_on_unparented(Node *p_for_node);
void propagate_theme_changed(Node *p_to_node, Node *p_owner_node, bool p_notify, bool p_assign);
// Theme lookup.
void get_theme_type_dependencies(const Node *p_for_node, const StringName &p_theme_type, List<StringName> *r_list) const;
Variant get_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, const List<StringName> &p_theme_types);
bool has_theme_item_in_types(Theme::DataType p_data_type, const StringName &p_name, const List<StringName> &p_theme_types);
float get_theme_default_base_scale();
Ref<Font> get_theme_default_font();
int get_theme_default_font_size();
ThemeOwner(Node *p_holder) { holder = p_holder; }
~ThemeOwner() {}
};
#endif // THEME_OWNER_H