媒体播放器
此示例演示如何构建媒体播放器 GUI。 这些按钮是简单的 Unicode 字符。
风格总结
此示例中使用的主题是 yeti。
| 项目 | 类 | 配色样式 |
|---|---|---|
| 顶部栏 | Label |
light-inverse |
| 媒体控制 | Button |
primary |
| 打开文件 | Button |
secondary |
| 时间滑块 | Scale |
secondary |
示例代码
from pathlib import Path
import ttkbootstrap as ttk
from ttkbootstrap.constants import *
from ttkbootstrap.icons import Emoji
class MediaPlayer(ttk.Frame):
def __init__(self, master):
super().__init__(master)
self.pack(fill=BOTH, expand=YES)
self.hdr_var = ttk.StringVar()
self.elapsed_var = ttk.DoubleVar(value=0)
self.remain_var = ttk.DoubleVar(value=190)
self.create_header()
self.create_media_window()
self.create_progress_meter()
self.create_buttonbox()
def create_header(self):
"""The application header to display user messages"""
self.hdr_var.set("Open a file to begin playback")
lbl = ttk.Label(
master=self,
textvariable=self.hdr_var,
bootstyle=(LIGHT, INVERSE),
padding=10
)
lbl.pack(fill=X, expand=YES)
def create_media_window(self):
"""Create frame to contain media"""
img_path = Path(__file__).parent / 'assets/mp_background.png'
self.demo_media = ttk.PhotoImage(file=img_path)
self.media = ttk.Label(self, image=self.demo_media)
self.media.pack(fill=BOTH, expand=YES)
def create_progress_meter(self):
"""Create frame with progress meter with lables"""
container = ttk.Frame(self)
container.pack(fill=X, expand=YES, pady=10)
self.elapse = ttk.Label(container, text='00:00')
self.elapse.pack(side=LEFT, padx=10)
self.scale = ttk.Scale(
master=container,
command=self.on_progress,
bootstyle=SECONDARY
)
self.scale.pack(side=LEFT, fill=X, expand=YES)
self.remain = ttk.Label(container, text='03:10')
self.remain.pack(side=LEFT, fill=X, padx=10)
def create_buttonbox(self):
"""Create buttonbox with media controls"""
container = ttk.Frame(self)
container.pack(fill=X, expand=YES)
ttk.Style().configure('TButton', font="-size 14")
rev_btn = ttk.Button(
master=container,
text=Emoji.get('black left-pointing double triangle with vertical bar'),
padding=10,
)
rev_btn.pack(side=LEFT, fill=X, expand=YES)
play_btn = ttk.Button(
master=container,
text=Emoji.get('black right-pointing triangle'),
padding=10,
)
play_btn.pack(side=LEFT, fill=X, expand=YES)
fwd_btn = ttk.Button(
master=container,
text=Emoji.get('black right-pointing double triangle with vertical bar'),
padding=10,
)
fwd_btn.pack(side=LEFT, fill=X, expand=YES)
pause_btn = ttk.Button(
master=container,
text=Emoji.get('double vertical bar'),
padding=10,
)
pause_btn.pack(side=LEFT, fill=X, expand=YES)
stop_btn = ttk.Button(
master=container,
text=Emoji.get('black square for stop'),
padding=10,
)
stop_btn.pack(side=LEFT, fill=X, expand=YES)
stop_btn = ttk.Button(
master=container,
text=Emoji.get('open file folder'),
bootstyle=SECONDARY,
padding=10
)
stop_btn.pack(side=LEFT, fill=X, expand=YES)
def on_progress(self, val: float):
"""Update progress labels when the scale is updated."""
elapsed = self.elapsed_var.get()
remaining = self.remain_var.get()
total = int(elapsed + remaining)
elapse = int(float(val) * total)
elapse_min = elapse // 60
elapse_sec = elapse % 60
remain_tot = total - elapse
remain_min = remain_tot // 60
remain_sec = remain_tot % 60
self.elapsed_var.set(elapse)
self.remain_var.set(remain_tot)
self.elapse.configure(text=f'{elapse_min:02d}:{elapse_sec:02d}')
self.remain.configure(text=f'{remain_min:02d}:{remain_sec:02d}')
if __name__ == '__main__':
app = ttk.Window("Media Player", "yeti")
mp = MediaPlayer(app)
mp.scale.set(0.35) # set default
app.mainloop()