Add a new link widget to our preprocessing effect dialog, so we can give further instructions/link to users who want to download the object detector dependencies.

Author: jonoomph

src/classes/effect_init.py

@@ -150,6 +150,12 @@
     ],
 
     "Object Detector": [
+        {
+            "value": "https://github.com/OpenShot/openshot-qt/wiki/Object-Detection-Effect-(dependencies)",
+            "title": "Click here for instructions and dependencies...",
+            "type": "link",
+            "setting": "model-instructions"
+        },
         {
             "value": os.path.join(YOLO_PATH,"yolov3.weights"),
             "title": "Model Weights",

src/windows/process_effect.py

@@ -29,6 +29,7 @@
 import time
 import json
 import functools
+import webbrowser
 
 from PyQt5.QtCore import *
 from PyQt5.QtGui import QBrush
@@ -93,6 +94,12 @@ def __init__(self, clip_id, effect_name, effect_params):
             label.setText(_(param["title"]))
             label.setToolTip(_(param["title"]))
 
+            if param["type"] == "link":
+                # create a clickable link
+                label.setText('<a href="%s" style="color: #FFFFFF">%s</a>' % (param["value"], param["title"]))
+                label.setTextInteractionFlags(Qt.TextBrowserInteraction)
+                label.linkActivated.connect(functools.partial(self.link_activated, widget, param))
+
             if param["type"] == "spinner":
                 # create QDoubleSpinBox
                 widget = QDoubleSpinBox()
@@ -178,13 +185,17 @@ def __init__(self, clip_id, effect_name, effect_params):
                 widget.currentIndexChanged.connect(functools.partial(self.dropdown_index_changed, widget, param))
 
             # Add Label and Widget to the form
-            if (widget and label):
+            if widget and label:
                 # Add minimum size
                 label.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
                 widget.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
 
                 # Create HBoxLayout for each field
-                self.scrollAreaWidgetContents.layout().insertRow(row_count - 1, label, widget)
+                self.scrollAreaWidgetContents.layout().insertRow(row_count, label, widget)
+
+            elif not widget and label:
+                label.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Preferred)
+                self.scrollAreaWidgetContents.layout().insertRow(row_count, label)
 
             row_count += 1
 
@@ -203,6 +214,10 @@ def __init__(self, clip_id, effect_name, effect_params):
         self.cancel_clip_processing = False
         self.effect = None
 
+    def link_activated(self, widget, param, value):
+        """Link activated"""
+        webbrowser.open(value, new=1)
+
     def spinner_value_changed(self, widget, param, value):
         """Spinner value change callback"""
         self.context[param["setting"]] = value
@@ -256,7 +271,7 @@ def rect_select_clicked(self, widget, param):
                 bottomRight = win.videoPreview.regionBottomRightHandle
                 viewPortSize = win.viewport_rect
                 curr_frame_size = win.videoPreview.curr_frame_size
-                
+
                 x1 = topLeft.x() / curr_frame_size.width()
                 y1 = topLeft.y() / curr_frame_size.height()
                 x2 = bottomRight.x() / curr_frame_size.width()

src/windows/ui/process-effect.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>410</width>
-    <height>250</height>
+    <height>270</height>
    </rect>
   </property>
   <property name="minimumSize">