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I am creating a simple GUI with Kivy in Python 3x and have had problems putting two Scrollviews in the same Boxlabel.
The way I put it, in the code attached, the items look like this: With Scrollviews
But it was expected that they would be like this: No Scrollviews
# -*- coding: utf-8 -*-
import kivy
from kivy.lang import Builder
from kivy.uix.gridlayout import GridLayout
from kivy.uix.scrollview import ScrollView
from utils import Grade
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.image import Image
from kivy.uix.button import Button
from kivy.core.window import Window
from kivy.uix.boxlayout import BoxLayout
from kivy.utils import get_color_from_hex
kivy.require('1.9.1')
Builder.load_string("""
<BackgroundBoxLayout>:
canvas.before:
Rectangle:
pos: self.pos
size: self.size
source: 'data/backgrounds/title.png'
<GridLayout>:
canvas.before:
Rectangle:
pos: self.pos
size: self.size
source: 'data/backgrounds/label.png'
""")
class DropFile(Button):
def __init__(self, **kwargs):
super(DropFile, self).__init__(**kwargs)
# aparência do botão
self.size_hint = None, None
self.background_normal = 'data/icons/pdf_icon_normal.png'
self.background_down = 'data/icons/pdf_icon_down.png'
# define o que ocorre quando arquivo é solto no local indicado
def on_dropfile(self):
if self.collide_point(*Window.mouse_pos) and not self.disabled:
self.disabled = True
class BackgroundBoxLayout(BoxLayout):
pass
class MultiLineLabel(Label):
def __init__(self, **kwargs):
super(MultiLineLabel, self).__init__(**kwargs)
self.text_size = self.size
self.halign = 'center'
self.pos_hint = {'top': 0.5}
self.bind(size=self.on_size)
self.bind(text=self.on_text_changed)
def on_size(self, widget, size):
self.text_size = size[0], None
self.texture_update()
if self.size_hint_y is None and self.size_hint_x is not None:
self.height = max(self.texture_size[1], self.line_height)
elif self.size_hint_x is None and self.size_hint_y is not None:
self.width = self.texture_size[0]
def on_text_changed(self, widget, text):
print(len(text))
self.halign = 'left'
if len(text) > 300:
self.on_size(self, self.size)
self.font_size = 12
self.pos_hint = {'top': 1}
elif len(text) > 280:
self.pos_hint = {'top': 0.6}
elif len(text) > 240:
self.pos_hint = {'top': 0.6}
elif len(text) > 100:
self.halign = 'center'
self.pos_hint = {'top': 0.7}
else:
self.halign = 'center'
self.pos_hint = {'top': 0.5}
class SimulaReforma(App):
def __init__(self, **kwargs):
super(SimulaReforma, self).__init__(**kwargs)
def build(self):
Window.bind(on_dropfile=self.handledrops)
# Layouts
box = BoxLayout(orientation='vertical')
disciplinas_label = BoxLayout(size_hint=(1, 1))
status_label = BackgroundBoxLayout(size_hint=(1, None))
tittle_label = BackgroundBoxLayout(size_hint=(1, 0.2))
# Tittle Label
tittle_label.add_widget(Image(source='data/icons/ufs_icon.png', size_hint=(0.1, 0.8), pos_hint={'top': 0.9}))
tittle_label.add_widget(Label(text='[b]Simulador de mudança de grade para cursos do DCOMP[/b]',
font_size=20, markup=True, color=get_color_from_hex("#000000")))
# Status label
drop_button = DropFile(pos_hint={'right': 1.5})
status_label.add_widget(drop_button)
self.status = MultiLineLabel(text='[b]ARRASTE O HISTÓRICO GERADO PELO SIGAA PARA O BOTÃO AO LADO[/b]',
size_hint=(1, None), markup=True, color=get_color_from_hex("#000000"))
status_label.add_widget(self.status)
# Disciplinas label
self.grid1 = GridLayout(cols=1, spacing=10, size_hint_y=None)
self.grid1.bind(minimum_height=self.grid1.setter('height'))
for i in range(50):
btn = Button(text=str(i), size_hint_y=None, height=40)
self.grid1.add_widget(btn)
self.grid2 = GridLayout(cols=1, spacing=10, size_hint_y=None)
self.grid2.bind(minimum_height=self.grid2.setter('height'))
for i in range(50):
btn = Button(text=str(i), size_hint_y=None, height=40)
self.grid2.add_widget(btn)
cursadas = ScrollView(size_hint=(1, None))
cursadas.add_widget(self.grid1)
nao_cursadas = ScrollView(size_hint=(1, None))
nao_cursadas.add_widget(self.grid2)
disciplinas_label.add_widget(cursadas)
disciplinas_label.add_widget(nao_cursadas)
# box add labels
box.add_widget(tittle_label)
box.add_widget(disciplinas_label)
box.add_widget(status_label)
return box
def handledrops(self, *args):
self.status.text = "[b]PROCESSANDO HISTÓRICO...[/b]"
# instancia as grades
self.nova_grade = Grade('novas_grades/Eng_Comp.csv')
self.grade_atual = Grade(args[1].decode("utf-8"))
self.status.text = "[b]REALIZANDO EQUIVALÊNCIAS...[/b]"
# realiza as equivalências da nova grade com base na sua grade atual
resultado_equivalencia = self.nova_grade.realizar_equivalencias(self.grade_atual.grade["GERAL"])
self.status.text = resultado_equivalencia
# printa as disciplinas já cursadas
label = Label(text=("[b]DISCIPLINAS CURSADAS:[/b]\n\n" + self.nova_grade.disciplinas_cursadas()),
size_hint_y=None,
color=get_color_from_hex('#000000'), markup=True)
before = label._label.render()
label.text_size = (300, None)
after = label._label.render()
label.height = (after[1] / before[1]) * before[1]
self.grid1.add_widget(label)
label = Label(text=("[b]DISCIPLINAS NÃO CURSADAS:[/b]\n\n" + self.nova_grade.disciplinas_faltam()),
size_hint_y=None, markup=True)
before = label._label.render()
label.text_size = (300, None)
after = label._label.render()
label.height = (after[1] / before[1]) * before[1]
self.grid2.add_widget(label)
if __name__ == "__main__":
SimulaReforma().run()
If necessary, the complete project is available at: github.com/arielrodrigues/dcomp.ufs.reforma
