Use urllist for wipe, region, luma, dissolve and composite

FEATURE: 356034

data/transitions/composite.xml

@@ -12,8 +12,7 @@
     <parameter type="bool" name="progressive" default="1" min="0" max="1">
         <name>Force Progressive Rendering</name>
     </parameter>
-    <parameter type="list" name="luma" default="" paramlist="%lumaPaths" optional="1">
-        <paramlistdisplay>%lumaNames</paramlistdisplay>
-        <name>Composite Method</name>
+    <parameter type="urllist" name="luma" paramlist="%lumaPaths" filter="Luma files (*.png *.pgm)" newstuff=":data/kdenlive_wipes.knsrc" optional="1">
+      <name>Composite Method</name>
     </parameter>
 </transition>

data/transitions/dissolve.xml

@@ -2,9 +2,8 @@
 <transition tag="luma" id="dissolve" type="short">
     <name context="Dissolve Transition Name">Dissolve</name>
     <description>Fade out one video while fading in the other video.</description>
-    <parameter type="list" name="resource" default="" paramlist="%lumaPaths" optional="1">
-        <paramlistdisplay>%lumaNames</paramlistdisplay>
-        <name>Luma Map</name>
+    <parameter type="urllist" name="resource" paramlist="%lumaPaths" filter="Luma files (*.png *.pgm)" newstuff=":data/kdenlive_wipes.knsrc" optional="1">
+      <name>Luma Map</name>
     </parameter>
     <parameter type="double" name="softness" max="100" min="0" default="0" factor="100">
             <name>Softness</name>

data/transitions/luma.xml

@@ -3,12 +3,10 @@
     <name context="Luma Transition Name">Luma</name>
         <description>Applies a stationary transition between the current and next frames.</description>
         <author>Dan Dennedy</author>
-    <parameter type="list" name="resource" default="" paramlist="%lumaPaths" optional="1">
-        <paramlistdisplay>%lumaNames</paramlistdisplay>
-        <name>Wipe Method</name>
+    <parameter type="urllist" name="resource" paramlist="%lumaPaths" filter="Luma files (*.png *.pgm)" newstuff=":data/kdenlive_wipes.knsrc" optional="1">
+      <name>Wipe Method</name>
     </parameter>
     <parameter type="double" name="softness" max="100" min="0" default="0" factor="100">
         <name>Softness</name>
     </parameter>
 </transition>
-

data/transitions/region.xml

@@ -22,9 +22,8 @@
         <parameter type="bool" name="composite.distort" max="1" min="0" default="0">
                 <name>Distort</name>
         </parameter>
-        <parameter type="list" name="composite.luma" default="" paramlist="%lumaPaths" optional="1">
-                <paramlistdisplay>%lumaNames</paramlistdisplay>
-                <name>Wipe Method</name>
+        <parameter type="urllist" name="composite.luma" paramlist="%lumaPaths" filter="Luma files (*.png *.pgm)" newstuff=":data/kdenlive_wipes.knsrc" optional="1">
+          <name>Wipe Method</name>
         </parameter>
         <parameter type="double" name="composite.softness" max="100" min="0" default="0" factor="100">
                 <name>Softness</name>

data/transitions/wipe.xml

@@ -6,9 +6,8 @@
         <parameter type="double" name="softness" max="100" min="0" default="0" factor="100">
                 <name>Softness</name>
         </parameter>
-        <parameter type="list" name="luma" default="" paramlist="%lumaPaths" optional="1">
-                <paramlistdisplay>%lumaNames</paramlistdisplay>
-                <name>Wipe Method</name>
+        <parameter type="urllist" name="luma" paramlist="%lumaPaths" filter="Luma files (*.png *.pgm)" newstuff=":data/kdenlive_wipes.knsrc" optional="1">
+          <name>Wipe Method</name>
         </parameter>
         <parameter type="bool" name="luma_invert" max="1" min="0" default="0">
                 <name>Invert</name>