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  1. ///----------------
  2.  
  3. MyMenu.qml
  4.  
  5. ///----------------
  6.  
  7. import QtQuick 2.9
  8. import QtQuick.Window 2.2
  9. import QtQuick.Controls 2.4
  10.  
  11.  
  12. MyMenu {
  13.     id: root
  14.     title: "Menu"
  15.  
  16.     bottomInset: -2
  17.     background: Rectangle {
  18.         color: "lightblue"
  19.         implicitWidth: {
  20.             var maxWidth = 0;
  21.             for (var i = 0; i < root.count; i++) {
  22.                 var obj = root.itemAt(i);
  23.                 maxWidth = Math.max(obj.implicitWidth, maxWidth);
  24.             }
  25.             return maxWidth;
  26.         }
  27.  
  28.         Rectangle {
  29.             color: "red"
  30.             implicitWidth: parent.width
  31.             implicitHeight: 2
  32.             anchors.bottom: parent.bottom
  33.         }
  34.     }
  35.  
  36.     delegate: MyMenuItem { }
  37. }
  38.  
  39.  
  40. ///----------------
  41.  
  42. MyMenuItem.qml
  43.  
  44. ///----------------
  45.  
  46. import QtQuick 2.9
  47. import QtQuick.Window 2.2
  48. import QtQuick.Controls 2.4
  49.  
  50. MenuItem {
  51.     id: root
  52.     text: "Item"
  53.     implicitWidth: implicitContentWidth + leftPadding + rightPadding
  54.     implicitHeight: implicitContentHeight + topPadding + bottomPadding
  55.  
  56.     property color bgColor: "transparent"
  57.     property color hlColor: "green"
  58.  
  59.     Component.onCompleted: {
  60.         background.color = Qt.binding(function(){ return root.highlighted ? root.hlColor : root.bgColor; });
  61.     }
  62. }
  63.  
  64.  
  65.  
  66. ///----------------
  67.  
  68. main.qml
  69.  
  70. ///----------------
  71.  
  72. import QtQuick 2.9
  73. import QtQuick.Window 2.2
  74. import QtQuick.Controls 2.4
  75.  
  76. Window {
  77.     visible: true
  78.     width: 640
  79.     height: 480
  80.     title: qsTr("Hello World")
  81.  
  82.     MenuBar {
  83.         MyMenu {
  84.             title: "First"
  85.  
  86.             MyMenuItem {
  87.                 text: "#1 -> Submenu 1"
  88.             }
  89.         }
  90.  
  91.         MyMenu {
  92.             title: "Second"
  93.  
  94.             MyMenuItem {
  95.                 text: "#2 -> Submenu 1"
  96.             }
  97.  
  98.             MyMenu {
  99.                 title: "#2 -> Submenu 2 (the most most most long DICK)"
  100.  
  101.                 MyMenuItem {
  102.                     text: "ABC"
  103.                 }
  104.  
  105.                 MyMenuItem {
  106.                     text: "ABC ABC ABC"
  107.                 }
  108.             }
  109.  
  110.             MyMenuItem {
  111.                 text: "#2 -> Submenu 3 (the most long)"
  112.             }
  113.         }
  114.  
  115.         MyMenu {
  116.             title: "Third"
  117.  
  118.             MyMenuItem {
  119.                 text: "#3 -> Submenu 1"
  120.                 //implicitWidth: 400
  121.                 implicitHeight: 15
  122.             }
  123.         }
  124.     }
  125. }
  126.  
  127.  
  128.  
  129. #include <iostream>
  130. using namespace std;
  131.  
  132. int main() {
  133. 	// your code goes here
  134. 	return 0;
  135. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:3:1: error: ‘MyMenu’ does not name a type
 MyMenu.qml
 ^~~~~~
prog.cpp:42:1: error: ‘MyMenuItem’ does not name a type
 MyMenuItem.qml
 ^~~~~~~~~~
prog.cpp:68:1: error: ‘main’ does not name a type
 main.qml
 ^~~~
stdout
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Standard output is empty
https://ideone.com/zOPXSx
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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