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buttons.py
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buttons.py
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from kivy.uix.button import Button
from kivy.uix.popup import Popup
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.filechooser import FileChooserListView
from kivy.clock import Clock
import cv2
class SimpleButton(Button):
def __init__(self, **kwargs):
super(SimpleButton, self).__init__(**kwargs)
self.text = "Simple Button"
self.size_hint = (None, None)
self.height = 30
self.width = 100
self.bind(on_press=self._on_click)
def _on_click(self, instance):
pass
class FileDirectoryButton(SimpleButton):
def __init__(self, **kwargs):
super(FileDirectoryButton, self).__init__(**kwargs)
self.text = "Open video"
self.popup = Popup(title='Choose a video to estimate pose',
content=Files(),
size_hint=(None, None), size=(400, 400))
def _on_click(self, instance):
self.popup.open()
class PlayButton(SimpleButton):
def __init__(self, **kwargs):
super(PlayButton, self).__init__(**kwargs)
self.text = "Play"
def _on_click(self, instance):
video_canvas = self.parent.parent.ids["video_canvas"]
if video_canvas.loaded is not True:
print("There is no video loaded yet")
return
if video_canvas.play_e is not None:
print("Video is still playing...")
return
video_canvas.play_e = Clock.schedule_interval(video_canvas.play_video, 1/30)
class PauseButton(SimpleButton):
def __init__(self, **kwargs):
super(PauseButton, self).__init__(**kwargs)
self.text = "Pause"
def _on_click(self, instance):
video_canvas = self.parent.parent.ids["video_canvas"]
if video_canvas.loaded is not True:
print("There is no video loaded yet")
return
if video_canvas.play_e is not None:
video_canvas.play_e.cancel()
video_canvas.play_e = None
print("Video is paused.")
class ForwardButton(SimpleButton):
def __init__(self, **kwargs):
super(ForwardButton, self).__init__(**kwargs)
self.text = ">>"
def _on_click(self, instance):
video_canvas = self.parent.parent.ids["video_canvas"]
if video_canvas.loaded is not True:
print("There is no video loaded yet")
return
video_canvas.inc_counter()
video_canvas.update_texture()
video_canvas.update_info_box()
video_canvas.update_inference_box()
class BackwardButton(SimpleButton):
def __init__(self, **kwargs):
super(BackwardButton, self).__init__(**kwargs)
self.text = "<<"
def _on_click(self, instance):
video_canvas = self.parent.parent.ids["video_canvas"]
if video_canvas.loaded is not True:
print("There is no video loaded yet")
return
video_canvas.dec_counter()
video_canvas.update_texture()
video_canvas.update_info_box()
video_canvas.update_inference_box()
class Files(BoxLayout):
def __init__(self, *args, **kwargs):
super(Files, self).__init__(*args, **kwargs)
self.orientation = "vertical"
self.id = "files"
self.selection = None
self.fichoo = FileChooserListView()
self.btn = SelectFileButton()
self.add_widget(self.fichoo)
self.add_widget(self.btn)
class SelectFileButton(SimpleButton):
def __init__(self, **kwargs):
super(SelectFileButton, self).__init__(**kwargs)
self.text = "Open"
def _on_click(self, instance):
# root = self.parent.parent.parent.ids
files = self.parent
popup = self.parent.parent.parent.parent
selection = None
try:
selection = files.fichoo.selection[0]
except IndexError:
print("Make sure to select a file")
window_shape = self.parent.parent.parent.parent.parent.children[1]
video_canvas = window_shape.ids['video_canvas']
print(video_canvas)
# security measure
if video_canvas.load_e is not None:
print("Video is still loading...")
return
video_canvas.reset()
video_canvas.file = selection
video_canvas.cap = cv2.VideoCapture(selection)
video_canvas.load_e = Clock.schedule_interval(video_canvas.load_video, 1/60)
# print(files.selection)
# print(root)
# close popup window
popup.dismiss()