mirror of
https://github.com/vinceliuice/Colloid-gtk-theme.git
synced 2026-09-08 17:23:05 -07:00
Create gnome-theme-switcher
This commit is contained in:
Vince
Executable
+382
@@ -0,0 +1,382 @@
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#!/usr/bin/python3
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import os
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import sys
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import shutil
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import pathlib
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import logging
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# 定义统一的应用 ID (需与 .desktop 文件名对应，如 org.gnome.GTK4ThemeSwitcher.desktop)
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APP_ID = "org.gnome.GTK4ThemeSwitcher"
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# Ensure PyGObject and GTK4 are available
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try:
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import gi
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gi.require_version('Gtk', '4.0')
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from gi.repository import Gtk, Gio, Pango, GLib
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except ImportError as e:
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print("错误: 缺少必要的依赖。请确保已安装 PyGObject 和 GTK4。")
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print("在 Ubuntu/Debian 上运行: sudo apt install python3-gi libgtk-4-dev")
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print("在 Fedora 上运行: sudo dnf install python3-gobject gtk4")
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print("在 Arch Linux 上运行: sudo pacman -S python-gobject gtk4")
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sys.exit(1)
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# Set up logging
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logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
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class ThemeManager:
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"""负责搜索、解析以及处理 GTK4 主题文件软链接的核心类"""
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SEARCH_PATHS = [
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os.path.expanduser("~/.themes"),
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os.path.expanduser("~/.local/share/themes"),
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"/usr/share/themes" # 包含系统全局主题供参考选择
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]
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TARGET_CONFIG_DIR = os.path.expanduser("~/.config/gtk-4.0")
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@classmethod
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def get_available_themes(cls):
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"""扫描所有指定目录，搜寻存在 gtk-4.0 子目录的主题文件夹"""
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themes = []
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for base_path in cls.SEARCH_PATHS:
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if not os.path.exists(base_path) or not os.path.isdir(base_path):
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continue
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try:
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for entry in os.listdir(base_path):
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full_path = os.path.join(base_path, entry)
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if os.path.isdir(full_path):
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gtk4_path = os.path.join(full_path, "gtk-4.0")
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has_gtk4 = os.path.exists(gtk4_path) and os.path.isdir(gtk4_path)
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themes.append({
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"name": entry,
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"path": full_path,
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"gtk4_path": gtk4_path if has_gtk4 else None,
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"is_local": base_path.startswith(os.path.expanduser("~")),
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"has_gtk4": has_gtk4
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})
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except Exception as err:
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logging.error(f"读取目录 {base_path} 失败: {err}")
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# 去重并排序 (优先保留用户目录下的同名主题)
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unique_themes = {}
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for theme in themes:
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name = theme["name"]
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if name not in unique_themes or theme["is_local"]:
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unique_themes[name] = theme
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sorted_themes = sorted(list(unique_themes.values()), key=lambda x: (not x["has_gtk4"], x["name"].lower()))
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return sorted_themes
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@classmethod
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def apply_gtk4_theme(cls, theme_info):
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"""将选定主题的 gtk-4.0 内容软链接到 ~/.config/gtk-4.0/"""
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src_gtk4_dir = theme_info.get("gtk4_path")
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if not src_gtk4_dir or not os.path.exists(src_gtk4_dir):
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return False, f"主题 '{theme_info['name']}' 不包含 gtk-4.0 文件夹！"
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target_dir = cls.TARGET_CONFIG_DIR
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try:
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# 确保目标配置目录存在
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os.makedirs(target_dir, exist_ok=True)
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# 清理 ~/.config/gtk-4.0 目录下的旧链接和文件
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for item in os.listdir(target_dir):
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item_path = os.path.join(target_dir, item)
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if os.path.islink(item_path) or os.path.isfile(item_path):
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os.unlink(item_path)
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elif os.path.isdir(item_path):
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shutil.rmtree(item_path)
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# 遍历源主题 gtk-4.0 中的所有内容并建立软链接
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linked_files = []
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for item in os.listdir(src_gtk4_dir):
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src_item = os.path.join(src_gtk4_dir, item)
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dst_item = os.path.join(target_dir, item)
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os.symlink(src_item, dst_item)
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linked_files.append(item)
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# 设置 GTK 3.0 主题 (通过 GSettings: org.gnome.desktop.interface gtk-theme)
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gtk3_msg = ""
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try:
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settings = Gio.Settings.new("org.gnome.desktop.interface")
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settings.set_string("gtk-theme", theme_info["name"])
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gtk3_msg = f"\n同时已将 GTK 3 主题设置为 '{theme_info['name']}'。"
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except Exception as gset_err:
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logging.error(f"设置 GTK 3 主题失败: {gset_err}")
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gtk3_msg = f"\n(注意: 设置 GTK 3 主题失败: {gset_err})"
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logging.info(f"成功为主题 {theme_info['name']} 创建软链接: {linked_files}")
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return True, f"已成功将主题 '{theme_info['name']}' 应用到 GTK 4！\n共链接了 {len(linked_files)} 个项。{gtk3_msg}"
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except Exception as e:
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logging.error(f"应用主题失败: {e}")
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return False, f"发生错误: {str(e)}"
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@classmethod
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def get_active_theme_name(cls):
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"""通过分析 ~/.config/gtk-4.0 中的软链接目标，判断当前生效的主题"""
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target_dir = cls.TARGET_CONFIG_DIR
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if not os.path.exists(target_dir):
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return None
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try:
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for item in os.listdir(target_dir):
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item_path = os.path.join(target_dir, item)
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if os.path.islink(item_path):
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real_path = os.path.realpath(item_path)
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for base_path in cls.SEARCH_PATHS:
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if real_path.startswith(base_path):
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rel_path = os.path.relpath(real_path, base_path)
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parts = rel_path.split(os.sep)
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if len(parts) >= 1:
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return parts[0]
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except Exception as e:
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logging.error(f"检测当前生效主题失败: {e}")
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return None
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class ThemeRow(Gtk.ListBoxRow):
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"""用于在列表中展示主题条目的自定义 Widget"""
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def __init__(self, theme_data, is_active=False):
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super().__init__()
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self.theme_data = theme_data
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self.is_active = is_active
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box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=12)
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box.set_margin_top(10)
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box.set_margin_bottom(10)
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box.set_margin_start(16)
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box.set_margin_end(16)
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# 图标展示
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icon_name = "preferences-desktop-theme-symbolic" if theme_data["has_gtk4"] else "dialog-warning-symbolic"
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icon = Gtk.Image.new_from_icon_name(icon_name)
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icon.set_pixel_size(24)
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box.append(icon)
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# 文字信息
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vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=2)
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vbox.set_hexpand(True)
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title_label = Gtk.Label(label=theme_data["name"])
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title_label.set_xalign(0)
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title_label.add_css_class("title-4")
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vbox.append(title_label)
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sub_text = f"路径: {theme_data['path']}"
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if not theme_data["has_gtk4"]:
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sub_text += " (无 gtk-4.0 配置)"
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subtitle_label = Gtk.Label(label=sub_text)
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subtitle_label.set_xalign(0)
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subtitle_label.add_css_class("dim-label")
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subtitle_label.add_css_class("caption")
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vbox.append(subtitle_label)
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box.append(vbox)
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# 状态或标签
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if theme_data["has_gtk4"]:
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badge = Gtk.Label(label="GTK 4 支持")
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badge.add_css_class("accent")
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badge.add_css_class("caption")
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box.append(badge)
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else:
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badge = Gtk.Label(label="缺少 GTK4")
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badge.add_css_class("dim-label")
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badge.add_css_class("caption")
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box.append(badge)
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# 当前生效勾选标志 (图标 + 文字)
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if is_active:
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active_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=4)
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check_icon = Gtk.Image.new_from_icon_name("emblem-ok-symbolic")
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check_icon.add_css_class("accent")
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active_label = Gtk.Label(label=" 已应用")
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active_label.add_css_class("accent")
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active_label.add_css_class("caption")
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active_box.append(check_icon)
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active_box.append(active_label)
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box.append(active_box)
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self.set_child(box)
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class MainWindow(Gtk.ApplicationWindow):
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"""主程序窗口组件"""
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def __init__(self, app):
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super().__init__(application=app)
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self.set_title("GNOME GTK4 主题管理器")
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self.set_default_size(580, 620)
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self.all_themes = []
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self.selected_theme = None
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self.active_theme_name = None
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# 主垂直布局容器
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main_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)
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self.set_child(main_box)
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# --- 顶栏 HeaderBar ---
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header = Gtk.HeaderBar()
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self.set_titlebar(header)
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# 刷新按钮
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refresh_btn = Gtk.Button.new_from_icon_name("view-refresh-symbolic")
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refresh_btn.set_tooltip_text("重新检索主题目录")
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refresh_btn.connect("clicked", lambda x: self.load_themes())
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header.pack_start(refresh_btn)
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# --- 搜索与筛选工具栏 ---
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toolbar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=8)
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toolbar.set_margin_top(12)
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toolbar.set_margin_bottom(12)
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toolbar.set_margin_start(16)
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toolbar.set_margin_end(16)
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self.search_entry = Gtk.SearchEntry()
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self.search_entry.set_placeholder_text("搜索本地主题...")
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self.search_entry.set_hexpand(True)
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self.search_entry.connect("search-changed", self.on_search_changed)
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toolbar.append(self.search_entry)
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main_box.append(toolbar)
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# --- 主题列表区域 ---
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scrolled = Gtk.ScrolledWindow()
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scrolled.set_vexpand(True)
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self.list_box = Gtk.ListBox()
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self.list_box.set_selection_mode(Gtk.SelectionMode.SINGLE)
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self.list_box.add_css_class("rich-list")
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self.list_box.connect("row-selected", self.on_row_selected)
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scrolled.set_child(self.list_box)
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main_box.append(scrolled)
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# --- 底部动作栏 ---
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bottom_bar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=12)
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bottom_bar.set_margin_top(12)
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bottom_bar.set_margin_bottom(12)
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bottom_bar.set_margin_start(16)
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bottom_bar.set_margin_end(16)
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# 状态文字
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self.status_label = Gtk.Label(label="正在加载主题...")
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self.status_label.set_xalign(0)
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self.status_label.set_hexpand(True)
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self.status_label.set_ellipsize(3) # Pango.EllipsizeMode.END
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bottom_bar.append(self.status_label)
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# 应用按钮
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self.apply_button = Gtk.Button(label="应用所选主题到 GTK 4")
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self.apply_button.add_css_class("suggested-action")
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self.apply_button.set_sensitive(False)
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self.apply_button.connect("clicked", self.on_apply_clicked)
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self.apply_button.connect("clicked", lambda x: self.load_themes())
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bottom_bar.append(self.apply_button)
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main_box.append(bottom_bar)
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# 初始加载主题数据
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self.load_themes()
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def load_themes(self):
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"""从磁盘重新加载和渲染主题列表"""
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self.all_themes = ThemeManager.get_available_themes()
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self.active_theme_name = ThemeManager.get_active_theme_name()
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self.filter_and_render_themes()
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count_gtk4 = sum(1 for t in self.all_themes if t["has_gtk4"])
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status_msg = f"已找到 {len(self.all_themes)} 个主题 (其中 {count_gtk4} 个包含 GTK 4 配置)"
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if self.active_theme_name:
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status_msg += f" | 当前生效: {self.active_theme_name}"
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self.status_label.set_text(status_msg)
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def filter_and_render_themes(self):
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"""根据搜索关键词过滤并填充 ListBox"""
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# 清除原有 ListBox 节点
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while True:
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row = self.list_box.get_row_at_index(0)
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if row is None:
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break
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self.list_box.remove(row)
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query = self.search_entry.get_text().strip().lower()
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for theme in self.all_themes:
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if query and query not in theme["name"].lower():
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continue
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is_active = (theme["name"] == self.active_theme_name)
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row = ThemeRow(theme, is_active=is_active)
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self.list_box.append(row)
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self.apply_button.set_sensitive(False)
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self.selected_theme = None
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def on_search_changed(self, entry):
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"""搜索框输入变更事件处理"""
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self.filter_and_render_themes()
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def on_row_selected(self, listbox, row):
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"""用户选中列表中某行主题的处理"""
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if row is None:
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self.selected_theme = None
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self.apply_button.set_sensitive(False)
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return
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self.selected_theme = row.theme_data
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# 仅当主题包含 gtk-4.0 文件夹时才启用应用按钮
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if self.selected_theme["has_gtk4"]:
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self.apply_button.set_sensitive(True)
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self.status_label.set_text(f"已选中: {self.selected_theme['name']}")
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else:
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self.apply_button.set_sensitive(False)
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self.status_label.set_text(f"警告: {self.selected_theme['name']} 缺少 gtk-4.0 目录")
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def on_apply_clicked(self, button):
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"""点击应用按钮的响应逻辑"""
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if not self.selected_theme:
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return
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success, message = ThemeManager.apply_gtk4_theme(self.selected_theme)
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if success:
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self.active_theme_name = self.selected_theme["name"]
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self.status_label.set_text(f"当前生效主题: {self.active_theme_name}")
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self.filter_and_render_themes()
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class Application(Gtk.Application):
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def __init__(self):
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super().__init__(
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application_id=APP_ID,
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flags=Gio.ApplicationFlags.FLAGS_NONE
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)
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def do_activate(self):
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win = self.props.active_window
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if not win:
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win = MainWindow(self)
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win.present()
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def main():
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# 显式设置进程名 (prgname) 和应用名称
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# 解决 Python 脚本运行时默认进程名被识别为 python3 导致 Wayland / X11 WM_CLASS 不匹配图标的问题
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GLib.set_prgname(APP_ID)
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GLib.set_application_name("GNOME GTK4 主题管理器")
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app = Application()
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return app.run(sys.argv)
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if __name__ == "__main__":
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sys.exit(main())
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