pmb.gui: add support for choosing device kernel variant

pmb/gui/pmb_api.py

@@ -16,6 +16,7 @@ import pmb.config.pmaports
 import pmb.helpers.devices
 import pmb.helpers.git
 import pmb.helpers.ui
+import pmb.parse._apkbuild
 
 
 class DeviceInfo:
@@ -125,6 +126,16 @@ def list_vendor_codenames(args, vendor: str,
     return pmb.helpers.devices.list_codenames(args, vendor, unmaintained)
 
 
+def list_device_kernels(args, codename: str) -> dict:
+    """
+    Get device kernel subpackages
+    :param args: global program state
+    :param codename: device codename (for example qemu-amd64)
+    :return: dict('kernel_subpkgname' => 'description', ...)
+    """
+    return pmb.parse._apkbuild.kernels(args, codename)
+
+
 def list_deviceinfos(args) -> List[DeviceInfo]:
     """ Get a list of all devices with the information contained in the
     deviceinfo

pmb/gui/qml/main.qml

@@ -93,6 +93,22 @@ ApplicationWindow {
                 }
             }
 
+            Row {
+                height: cbDeviceKernels.height
+                Label {
+                    height: cbDeviceKernels.height
+                    verticalAlignment: Text.AlignVCenter
+                    text: qsTr("Select kernel: ")
+                }
+                ComboBox {
+                    id: cbDeviceKernels
+                    model: pmbDevices.device_kernels
+                    onActivated: {
+                        pmbDevices.select_kernel(index)
+                    }
+                }
+            }
+
             Row {
                 height: cbUis.height
                 Label {

pmb/gui/qt5.py

@@ -29,6 +29,7 @@ class PmbDevices(QObject):
     channels_changed = pyqtSignal()
     current_channel_changed = pyqtSignal()
     devices_changed = pyqtSignal()
+    device_kernels_changed = pyqtSignal()
     uis_changed = pyqtSignal()
 
     def __init__(self, parent=None):
@@ -43,6 +44,8 @@ class PmbDevices(QObject):
             self._selected_vendor = 0
         self._avail_codenames = []
         self._selected_codename = None
+        self._avail_kernels = None
+        self._sel_kernel = None
 
     @pyqtProperty(list, notify=vendors_changed)
     def vendors(self) -> list[str]:
@@ -70,6 +73,8 @@ class PmbDevices(QObject):
         self.devices_changed.emit()
         self._selected_codename = 0
         self.uis_changed.emit()
+        self._avail_kernels = None
+        self.device_kernels_changed.emit()
 
     @pyqtProperty(list, notify=devices_changed)
     def vendor_devices(self) -> list[str]:
@@ -85,11 +90,31 @@ class PmbDevices(QObject):
         self.devices_changed.emit()
         self._selected_codename = None
         self.uis_changed.emit()
+        self._avail_kernels = None
+        self.device_kernels_changed.emit()
 
     @pyqtSlot(int)
     def select_device(self, idx: int) -> None:
         self._selected_codename = self._avail_codenames[idx]
         self.uis_changed.emit()
+        self._avail_kernels = None
+        self.device_kernels_changed.emit()
+
+    @pyqtProperty(list, notify=device_kernels_changed)
+    def device_kernels(self) -> list[str]:
+        ret = []
+        if self._selected_codename:
+            self._avail_kernels = pmb.gui.pmb_api.list_device_kernels(
+                _args, self._selected_codename)
+            self._sel_kernel = 0
+        if self._avail_kernels:
+            for kernel in self._avail_kernels.keys():
+                ret.append(f"{kernel}  ({self._avail_kernels[kernel]})")
+        return ret
+
+    @pyqtSlot(int)
+    def select_kernel(self, idx: int) -> None:
+        self._sel_kernel = idx
 
     @pyqtProperty(list, notify=uis_changed)
     def uis_list(self) -> list[str]: