changing position of only one column in gridlayout

[Gaurav Bhoi]

Hello guys i m creating a scrollable form using gridlayout where row_force_default is True and row_default_height is 30 but  i want to change the height of a perticular column and widget in that column is textinput. I tried changing its size_hint_y to None and height to 300 but it overlaps other widgets. i m pasting some images for better understanding

This my kv code:

<Label@Label> :
color: (1, 0, 0, 1)
font_size: 20
halign: 'left'
valign: 'middle'
text_size: self.width, None
height: self.height

<TextInput@TextInput> :
background_color: (3, 3, 3, 1)

FloatLayout:
ScrollView:
id: scr
size_hint: .3, .8
pos_hint: {'right':.5, 'center_y': .5}

canvas.before:
Rectangle:
pos: self.pos
size: self.size
source: 'white_background.jpg'

GridLayout:
size_hint: (None, None)
cols: 1
height: self.minimum_height
row_force_default: True
row_default_height: 50
width: self.parent.width
padding: 10

Label:
text: 'Address'

TextInput:
hint_text: 'Enter Your permanent address'
size_hint_y: None
height: 300

[Elliot Garbus]

I suggest using a vertical BoxLayout, rather than a GridLayout.  Do not set the default height.

 

If you would like more help, please attach a minimal executable example.  Also note the code below is not properly formatted.  I have found that if you right click on the web-set and select “paste as plain-text” the formatting is preserved.

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[Gaurav Bhoi]

Thank you Elliot, But I don't Know how to execute this code using Boxlayout so I'm using gridlayout. If you show me how to obtain the same result using boxlayout that would be great. I'm attaching code files below. In the code I'm aiming to increase the height of address textinput only.  I also have one more problem in the same code, see when i press the "screen2" button i want to change the screen but not the whole screen but only the red portion. That means I want to treat the red portion as a screen. please help. Thank You

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[Elliot Garbus]

Give this a try

 

FloatLayout:
    BoxLayout:
        orientation: 'vertical'
        size_hint: .3, .8
        pos_hint: {'right':.5, 'center_y': .5}

        BoxLayout:
            size_hint_y: .08
            Button:
                text: 'Screen1'
                on_release: app.root.ids.sm.current = 'input screen'
            Button:
                text: 'Screen2'
                on_release: app.root.ids.sm.current = 'other screen'

        ScreenManager:
            id: sm
            InputScreen:
                name: 'input screen'
            OtherScreen:
                name: 'other screen'

<InputScreen@Screen>:
    ScrollView:
        canvas.before:
            Color:
                rgba: (1, 0, 0, .5)
            Rectangle:
                pos: self.pos
                size: self.size
        do_scroll_x: False
        do_scroll_y: True
        BoxLayout:
            orientation: 'vertical'
            size_hint: None, None
            height: self.minimum_height
            width: self.parent.width
            padding: 10

            Label:
                text: 'Name'
                size_hint_y: None
                height: 40

            TextInput:
                hint_text: 'Name as per marksheet'
                size_hint_y: None
                height: 40

            Label:
                text: 'Address'
                size_hint_y: None
                height: 40

            TextInput:
                hint_text: 'Enter your permanent address'
                size_hint_y: None
                height: 300

<OtherScreen@Screen>:
    Label:
        text: 'The Other Screen'

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[Gaurav Bhoi]

Thank you Elliot, It Works. Thanks Alot

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