com.bckmnn.gridsystem

version 0.0.6

To install:

❯ qpm install com.bckmnn.gridsystem

qml-gridsystem

A grid system for QML similar to grid systems that are available for CSS. You specify how many columns a object should occupy and the GSGrid does the layout for you.

Installation

qpm

with qpm just go to your project directory and install with this command:

qpm install com.bckmnn.gridsystem

after installation you just need to add include(vendor/vendor.pri) to your *.pro file if it's not there already.

Usage

To use the grid system you will need to import it in your qml files.

import com.bckmnn.gridsystem 1.0

You can then use the GSGrid{} to layout your qml. The GSGrid will layout all child items that have a GSGrid attached property specifying the number of columns this object should occupy. See the following example how to use it.

import QtQuick 2.12
import QtQuick.Window 2.12

import com.bckmnn.gridsystem 1.0

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("GSGrid Example")

    Rectangle{
        color: "darkblue"
        width: grid.helpers.getColumnsWidth(2)
        height: 100
        y: 50
        x: grid.helpers.getColumnStart(2)
        z: 10
        Text {
            color: "#fff"
            text: "not part of the grid, but still 2 columns wide and positioned in the 3rd column"
            anchors.fill: parent
            wrapMode: Text.Wrap
        }
    }

    GSGrid{
        id: grid
        anchors.fill: parent

        columns: 12                     // sets the number of columns
        columnSpacing: 20               // sets the spacing between columns in px
        rowSpacing: 20                  // sets the spacing between rows in px
        columnColor: "#3300ff00"        // sets the color of the columns for the grid overlay
                                        // see showGrid

        showGrid: true                  // displays the grid overlay

        fillStrategy: GSGrid.ITEM_BREAK // sets the fill strategy (ITEM_BREAK / ITEM_SQUEEZE)

        onColumnWidthChanged: {
            console.log("a column is", columnWidth, "px wide")
        }

        onContentHeightChanged: {
            console.log("the layouted content of the grid have a height of ", contentHeight, "px")
        }

        MouseArea{
            anchors.fill: parent
            onClicked: parent.showGrid = !parent.showGrid
        }

        Rectangle{
            color: "red"
            height: 100
            GSGrid.colWidth: win.width < 600 ? 3 : 6
            Text {
                color: "#fff"
                text: "depending on the window width, i am smaller or bigger"
                anchors.fill: parent
                wrapMode: Text.Wrap
            }
        }
        Rectangle{
            color: "yellow"
            height: 110
            GSGrid.colWidth: 3
        }
        Rectangle{
            color: "orange"
            radius: width/2
            height: grid.helpers.getColumnsWidth(3)
            GSGrid.colWidth: 3
        }
        Rectangle{
            color: "blue"
            height: 80
            GSGrid.colWidth: 7
            Text {
                color: "#fff"
                text: "click here to toggle fill strategy"
                anchors.fill: parent
                wrapMode: Text.Wrap
            }
            MouseArea{
                anchors.fill: parent
                onClicked: {
                    if(grid.fillStrategy == GSGrid.ITEM_BREAK){
                        grid.fillStrategy = GSGrid.ITEM_SQUEEZE
                    }else{
                        grid.fillStrategy = GSGrid.ITEM_BREAK
                    }
                }
            }
        }
        Rectangle{
            color: "purple"
            height: 80
            GSGrid.colWidth: 7
        }

        GSGrid{
            // grid to display the column number
            GSGrid.colWidth: 12
            height: 25
            anchors.bottom: parent.bottom
            Repeater{
                model: 12
                Rectangle {
                    color: "#f0f"
                    height: parent.height
                    Text {
                        color: "#fff"
                        text: index
                        font.bold: true
                        anchors.centerIn: parent
                    }
                    GSGrid.colWidth: 1
                }
            }
        }
    }
}
Author

Stefan Beckmann

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License: MIT

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