Start work for High-DPI mode

Signed-off-by: falkTX <falktx@falktx.com>

resources/resources.qrc

@@ -3,36 +3,35 @@
         <file>16x16/carla.png</file>
         <file>16x16/carla-control.png</file>
 
-        <file>16x16/application-exit.png</file>
-        <file>16x16/arrow-right.png</file>
-        <file>16x16/configure.png</file>
-        <file>16x16/dialog-cancel.png</file>
-        <file>16x16/dialog-error.png</file>
-        <file>16x16/dialog-information.png</file>
-        <file>16x16/dialog-ok-apply.png</file>
-        <file>16x16/dialog-warning.png</file>
-        <file>16x16/document-new.png</file>
-        <file>16x16/document-open.png</file>
-        <file>16x16/document-print.png</file>
-        <file>16x16/document-save.png</file>
-        <file>16x16/document-save-as.png</file>
-        <file>16x16/edit-delete.png</file>
-        <file>16x16/edit-rename.png</file>
-        <file>16x16/list-add.png</file>
-        <file>16x16/list-remove.png</file>
-        <file>16x16/media-playback-pause.png</file>
-        <file>16x16/media-playback-start.png</file>
-        <file>16x16/media-playback-stop.png</file>
-        <file>16x16/media-seek-backward.png</file>
-        <file>16x16/media-seek-forward.png</file>
-        <file>16x16/network-connect.png</file>
-        <file>16x16/view-refresh.png</file>
-        <file>16x16/view-sort-ascending.png</file>
-        <file>16x16/window-close.png</file>
-        <file>16x16/zoom-fit-best.png</file>
-        <file>16x16/zoom-in.png</file>
-        <file>16x16/zoom-original.png</file>
-        <file>16x16/zoom-out.png</file>
+        <file>16x16/application-exit.svgz</file>
+        <file>16x16/arrow-right.svgz</file>
+        <file>16x16/configure.svgz</file>
+        <file>16x16/dialog-cancel.svgz</file>
+        <file>16x16/dialog-error.svgz</file>
+        <file>16x16/dialog-information.svgz</file>
+        <file>16x16/dialog-ok-apply.svgz</file>
+        <file>16x16/dialog-warning.svgz</file>
+        <file>16x16/document-new.svgz</file>
+        <file>16x16/document-open.svgz</file>
+        <file>16x16/document-save.svgz</file>
+        <file>16x16/document-save-as.svgz</file>
+        <file>16x16/edit-delete.svgz</file>
+        <file>16x16/edit-rename.svgz</file>
+        <file>16x16/list-add.svgz</file>
+        <file>16x16/list-remove.svgz</file>
+        <file>16x16/media-playback-pause.svgz</file>
+        <file>16x16/media-playback-start.svgz</file>
+        <file>16x16/media-playback-stop.svgz</file>
+        <file>16x16/media-seek-backward.svgz</file>
+        <file>16x16/media-seek-forward.svgz</file>
+        <file>16x16/network-connect.svgz</file>
+        <file>16x16/view-refresh.svgz</file>
+        <file>16x16/view-sort-ascending.svgz</file>
+        <file>16x16/window-close.svgz</file>
+        <file>16x16/zoom-fit-best.svgz</file>
+        <file>16x16/zoom-in.svgz</file>
+        <file>16x16/zoom-original.svgz</file>
+        <file>16x16/zoom-out.svgz</file>
 
         <file>48x48/carla.png</file>
         <file>48x48/carla-control.png</file>

resources/ui/carla_about.ui

@@ -496,7 +496,7 @@
             <enum>Qt::PlainText</enum>
            </property>
            <property name="pixmap">
-            <pixmap resource="../resources.qrc">:/48x48/carla.png</pixmap>
+            <pixmap resource="../resources.qrc">:/scalable/carla.svg</pixmap>
            </property>
           </widget>
          </item>
@@ -521,7 +521,7 @@
             <enum>Qt::PlainText</enum>
            </property>
            <property name="pixmap">
-            <pixmap resource="../resources.qrc">:/48x48/carla-control.png</pixmap>
+            <pixmap resource="../resources.qrc">:/scalable/carla-control.svg</pixmap>
            </property>
           </widget>
          </item>

resources/ui/carla_database.ui

@@ -46,7 +46,7 @@
        </property>
        <property name="icon">
         <iconset resource="../resources.qrc">
-         <normaloff>:/16x16/view-refresh.png</normaloff>:/16x16/view-refresh.png</iconset>
+         <normaloff>:/16x16/view-refresh.svgz</normaloff>:/16x16/view-refresh.svgz</iconset>
        </property>
       </widget>
      </item>
@@ -390,7 +390,7 @@
        </property>
        <property name="icon">
         <iconset resource="../resources.qrc">
-         <normaloff>:/16x16/list-add.png</normaloff>:/16x16/list-add.png</iconset>
+         <normaloff>:/16x16/list-add.svgz</normaloff>:/16x16/list-add.svgz</iconset>
        </property>
       </widget>
      </item>
@@ -401,7 +401,7 @@
        </property>
        <property name="icon">
         <iconset resource="../resources.qrc">
-         <normaloff>:/16x16/dialog-cancel.png</normaloff>:/16x16/dialog-cancel.png</iconset>
+         <normaloff>:/16x16/dialog-cancel.svgz</normaloff>:/16x16/dialog-cancel.svgz</iconset>
        </property>
       </widget>
      </item>

resources/ui/carla_host.ui

@@ -570,7 +570,7 @@
               </property>
               <property name="icon">
                <iconset resource="../resources.qrc">
-                <normaloff>:/16x16/list-add.png</normaloff>:/16x16/list-add.png</iconset>
+                <normaloff>:/16x16/list-add.svgz</normaloff>:/16x16/list-add.svgz</iconset>
               </property>
              </widget>
             </item>
@@ -584,7 +584,7 @@
               </property>
               <property name="icon">
                <iconset resource="../resources.qrc">
-                <normaloff>:/16x16/list-remove.png</normaloff>:/16x16/list-remove.png</iconset>
+                <normaloff>:/16x16/list-remove.svgz</normaloff>:/16x16/list-remove.svgz</iconset>
               </property>
              </widget>
             </item>
@@ -623,7 +623,7 @@
                </property>
                <property name="icon">
                 <iconset resource="../resources.qrc">
-                 <normaloff>:/16x16/media-playback-start.png</normaloff>:/16x16/media-playback-start.png</iconset>
+                 <normaloff>:/16x16/media-playback-start.svgz</normaloff>:/16x16/media-playback-start.svgz</iconset>
                </property>
                <property name="checkable">
                 <bool>true</bool>
@@ -637,7 +637,7 @@
                </property>
                <property name="icon">
                 <iconset resource="../resources.qrc">
-                 <normaloff>:/16x16/media-playback-stop.png</normaloff>:/16x16/media-playback-stop.png</iconset>
+                 <normaloff>:/16x16/media-playback-stop.svgz</normaloff>:/16x16/media-playback-stop.svgz</iconset>
                </property>
               </widget>
              </item>
@@ -648,7 +648,7 @@
                </property>
                <property name="icon">
                 <iconset resource="../resources.qrc">
-                 <normaloff>:/16x16/media-seek-backward.png</normaloff>:/16x16/media-seek-backward.png</iconset>
+                 <normaloff>:/16x16/media-seek-backward.svgz</normaloff>:/16x16/media-seek-backward.svgz</iconset>
                </property>
                <property name="autoRepeat">
                 <bool>true</bool>
@@ -662,7 +662,7 @@
                </property>
                <property name="icon">
                 <iconset resource="../resources.qrc">
-                 <normaloff>:/16x16/media-seek-forward.png</normaloff>:/16x16/media-seek-forward.png</iconset>
+                 <normaloff>:/16x16/media-seek-forward.svgz</normaloff>:/16x16/media-seek-forward.svgz</iconset>
                </property>
                <property name="autoRepeat">
                 <bool>true</bool>
@@ -946,7 +946,7 @@
   <action name="act_file_new">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/document-new.png</normaloff>:/16x16/document-new.png</iconset>
+     <normaloff>:/16x16/document-new.svgz</normaloff>:/16x16/document-new.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;New</string>
@@ -958,7 +958,7 @@
   <action name="act_file_open">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/document-open.png</normaloff>:/16x16/document-open.png</iconset>
+     <normaloff>:/16x16/document-open.svgz</normaloff>:/16x16/document-open.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Open...</string>
@@ -976,7 +976,7 @@
   <action name="act_file_save">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/document-save.png</normaloff>:/16x16/document-save.png</iconset>
+     <normaloff>:/16x16/document-save.svgz</normaloff>:/16x16/document-save.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Save</string>
@@ -988,7 +988,7 @@
   <action name="act_file_save_as">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/document-save-as.png</normaloff>:/16x16/document-save-as.png</iconset>
+     <normaloff>:/16x16/document-save-as.svgz</normaloff>:/16x16/document-save-as.svgz</iconset>
    </property>
    <property name="text">
     <string>Save &amp;As...</string>
@@ -1006,7 +1006,7 @@
   <action name="act_file_quit">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/application-exit.png</normaloff>:/16x16/application-exit.png</iconset>
+     <normaloff>:/16x16/application-exit.svgz</normaloff>:/16x16/application-exit.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Quit</string>
@@ -1018,7 +1018,7 @@
   <action name="act_engine_start">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/media-playback-start.png</normaloff>:/16x16/media-playback-start.png</iconset>
+     <normaloff>:/16x16/media-playback-start.svgz</normaloff>:/16x16/media-playback-start.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Start</string>
@@ -1030,7 +1030,7 @@
   <action name="act_engine_stop">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/media-playback-stop.png</normaloff>:/16x16/media-playback-stop.png</iconset>
+     <normaloff>:/16x16/media-playback-stop.svgz</normaloff>:/16x16/media-playback-stop.svgz</iconset>
    </property>
    <property name="text">
     <string>St&amp;op</string>
@@ -1042,7 +1042,7 @@
   <action name="act_plugin_add">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/list-add.png</normaloff>:/16x16/list-add.png</iconset>
+     <normaloff>:/16x16/list-add.svgz</normaloff>:/16x16/list-add.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Add Plugin...</string>
@@ -1054,7 +1054,7 @@
   <action name="act_plugin_add2">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/list-add.png</normaloff>:/16x16/list-add.png</iconset>
+     <normaloff>:/16x16/list-add.svgz</normaloff>:/16x16/list-add.svgz</iconset>
    </property>
    <property name="text">
     <string>Add Plugin...</string>
@@ -1069,7 +1069,7 @@
   <action name="act_plugin_remove_all">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/edit-delete.png</normaloff>:/16x16/edit-delete.png</iconset>
+     <normaloff>:/16x16/edit-delete.svgz</normaloff>:/16x16/edit-delete.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Remove All</string>
@@ -1113,7 +1113,7 @@
   <action name="act_plugins_panic">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/dialog-warning.png</normaloff>:/16x16/dialog-warning.png</iconset>
+     <normaloff>:/16x16/dialog-warning.svgz</normaloff>:/16x16/dialog-warning.svgz</iconset>
    </property>
    <property name="text">
     <string>Panic</string>
@@ -1125,7 +1125,7 @@
    </property>
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/media-playback-start.png</normaloff>:/16x16/media-playback-start.png</iconset>
+     <normaloff>:/16x16/media-playback-start.svgz</normaloff>:/16x16/media-playback-start.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Play</string>
@@ -1137,7 +1137,7 @@
   <action name="act_transport_stop">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/media-playback-stop.png</normaloff>:/16x16/media-playback-stop.png</iconset>
+     <normaloff>:/16x16/media-playback-stop.svgz</normaloff>:/16x16/media-playback-stop.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Stop</string>
@@ -1149,7 +1149,7 @@
   <action name="act_transport_backwards">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/media-seek-backward.png</normaloff>:/16x16/media-seek-backward.png</iconset>
+     <normaloff>:/16x16/media-seek-backward.svgz</normaloff>:/16x16/media-seek-backward.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Backwards</string>
@@ -1161,7 +1161,7 @@
   <action name="act_transport_forwards">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/media-seek-forward.png</normaloff>:/16x16/media-seek-forward.png</iconset>
+     <normaloff>:/16x16/media-seek-forward.svgz</normaloff>:/16x16/media-seek-forward.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Forwards</string>
@@ -1173,7 +1173,7 @@
   <action name="act_canvas_arrange">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/view-sort-ascending.png</normaloff>:/16x16/view-sort-ascending.png</iconset>
+     <normaloff>:/16x16/view-sort-ascending.svgz</normaloff>:/16x16/view-sort-ascending.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Arrange</string>
@@ -1185,7 +1185,7 @@
   <action name="act_canvas_refresh">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/view-refresh.png</normaloff>:/16x16/view-refresh.png</iconset>
+     <normaloff>:/16x16/view-refresh.svgz</normaloff>:/16x16/view-refresh.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Refresh</string>
@@ -1194,15 +1194,6 @@
     <string>Ctrl+R</string>
    </property>
   </action>
-  <action name="act_canvas_print">
-   <property name="icon">
-    <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/document-print.png</normaloff>:/16x16/document-print.png</iconset>
-   </property>
-   <property name="text">
-    <string>&amp;Print...</string>
-   </property>
-  </action>
   <action name="act_canvas_save_image">
    <property name="text">
     <string>Save &amp;Image...</string>
@@ -1211,7 +1202,7 @@
   <action name="act_canvas_zoom_fit">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/zoom-fit-best.png</normaloff>:/16x16/zoom-fit-best.png</iconset>
+     <normaloff>:/16x16/zoom-fit-best.svgz</normaloff>:/16x16/zoom-fit-best.svgz</iconset>
    </property>
    <property name="text">
     <string>Auto-Fit</string>
@@ -1223,7 +1214,7 @@
   <action name="act_canvas_zoom_in">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/zoom-in.png</normaloff>:/16x16/zoom-in.png</iconset>
+     <normaloff>:/16x16/zoom-in.svgz</normaloff>:/16x16/zoom-in.svgz</iconset>
    </property>
    <property name="text">
     <string>Zoom In</string>
@@ -1235,7 +1226,7 @@
   <action name="act_canvas_zoom_out">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/zoom-out.png</normaloff>:/16x16/zoom-out.png</iconset>
+     <normaloff>:/16x16/zoom-out.svgz</normaloff>:/16x16/zoom-out.svgz</iconset>
    </property>
    <property name="text">
     <string>Zoom Out</string>
@@ -1247,7 +1238,7 @@
   <action name="act_canvas_zoom_100">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/zoom-original.png</normaloff>:/16x16/zoom-original.png</iconset>
+     <normaloff>:/16x16/zoom-original.svgz</normaloff>:/16x16/zoom-original.svgz</iconset>
    </property>
    <property name="text">
     <string>Zoom 100%</string>
@@ -1267,7 +1258,7 @@
   <action name="act_settings_configure">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/configure.png</normaloff>:/16x16/configure.png</iconset>
+     <normaloff>:/16x16/configure.svgz</normaloff>:/16x16/configure.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Configure Carla</string>
@@ -1339,7 +1330,7 @@
   <action name="act_file_connect">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/network-connect.png</normaloff>:/16x16/network-connect.png</iconset>
+     <normaloff>:/16x16/network-connect.svgz</normaloff>:/16x16/network-connect.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Connect...</string>
@@ -1348,7 +1339,7 @@
   <action name="act_file_refresh">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/view-refresh.png</normaloff>:/16x16/view-refresh.png</iconset>
+     <normaloff>:/16x16/view-refresh.svgz</normaloff>:/16x16/view-refresh.svgz</iconset>
    </property>
    <property name="text">
     <string>&amp;Refresh</string>
@@ -1392,7 +1383,7 @@
   <action name="act_add_jack">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/list-add.png</normaloff>:/16x16/list-add.png</iconset>
+     <normaloff>:/16x16/list-add.svgz</normaloff>:/16x16/list-add.svgz</iconset>
    </property>
    <property name="text">
     <string>Add &amp;JACK Application</string>
@@ -1407,7 +1398,7 @@
   <action name="act_plugin_add_jack">
    <property name="icon">
     <iconset resource="../resources.qrc">
-     <normaloff>:/16x16/list-add.png</normaloff>:/16x16/list-add.png</iconset>
+     <normaloff>:/16x16/list-add.svgz</normaloff>:/16x16/list-add.svgz</iconset>
    </property>
    <property name="text">
     <string>Add &amp;JACK Application...</string>

resources/ui/carla_refresh.ui

@@ -250,7 +250,7 @@
              <string/>
             </property>
             <property name="pixmap">
-             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.png</pixmap>
+             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.svgz</pixmap>
             </property>
            </widget>
           </item>
@@ -266,7 +266,7 @@
              <string/>
             </property>
             <property name="pixmap">
-             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.png</pixmap>
+             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.svgz</pixmap>
             </property>
            </widget>
           </item>
@@ -297,7 +297,7 @@
              <string/>
             </property>
             <property name="pixmap">
-             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.png</pixmap>
+             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.svgz</pixmap>
             </property>
            </widget>
           </item>
@@ -313,7 +313,7 @@
              <string/>
             </property>
             <property name="pixmap">
-             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.png</pixmap>
+             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.svgz</pixmap>
             </property>
            </widget>
           </item>
@@ -336,7 +336,7 @@
              <string/>
             </property>
             <property name="pixmap">
-             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.png</pixmap>
+             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.svgz</pixmap>
             </property>
            </widget>
           </item>
@@ -346,7 +346,7 @@
              <string/>
             </property>
             <property name="pixmap">
-             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.png</pixmap>
+             <pixmap resource="../resources.qrc">:/16x16/dialog-ok-apply.svgz</pixmap>
             </property>
            </widget>
           </item>
@@ -480,7 +480,7 @@ You can disable these checks to get a faster scanning time (at your own risk).</
        </property>
        <property name="icon">
         <iconset resource="../resources.qrc">
-         <normaloff>:/16x16/arrow-right.png</normaloff>:/16x16/arrow-right.png</iconset>
+         <normaloff>:/16x16/arrow-right.svgz</normaloff>:/16x16/arrow-right.svgz</iconset>
        </property>
       </widget>
      </item>
@@ -498,7 +498,7 @@ You can disable these checks to get a faster scanning time (at your own risk).</
        </property>
        <property name="icon">
         <iconset resource="../resources.qrc">
-         <normaloff>:/16x16/window-close.png</normaloff>:/16x16/window-close.png</iconset>
+         <normaloff>:/16x16/window-close.svgz</normaloff>:/16x16/window-close.svgz</iconset>
        </property>
       </widget>
      </item>

resources/ui/carla_settings.ui

@@ -1065,7 +1065,7 @@
               <string/>
              </property>
              <property name="pixmap">
-              <pixmap resource="../resources.qrc">:/16x16/dialog-information.png</pixmap>
+              <pixmap resource="../resources.qrc">:/16x16/dialog-information.svgz</pixmap>
              </property>
              <property name="alignment">
               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
@@ -1239,7 +1239,7 @@
                  <string/>
                 </property>
                 <property name="pixmap">
-                 <pixmap resource="../resources.qrc">:/16x16/dialog-information.png</pixmap>
+                 <pixmap resource="../resources.qrc">:/16x16/dialog-information.svgz</pixmap>
                 </property>
                 <property name="alignment">
                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
@@ -1421,7 +1421,7 @@
                  <string/>
                 </property>
                 <property name="pixmap">
-                 <pixmap resource="../resources.qrc">:/16x16/dialog-information.png</pixmap>
+                 <pixmap resource="../resources.qrc">:/16x16/dialog-information.svgz</pixmap>
                 </property>
                 <property name="alignment">
                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
@@ -1496,7 +1496,7 @@
               <string/>
              </property>
              <property name="pixmap">
-              <pixmap resource="../resources.qrc">:/16x16/dialog-information.png</pixmap>
+              <pixmap resource="../resources.qrc">:/16x16/dialog-information.svgz</pixmap>
              </property>
              <property name="alignment">
               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
@@ -1552,7 +1552,7 @@
               <string/>
              </property>
              <property name="pixmap">
-              <pixmap resource="../resources.qrc">:/16x16/dialog-warning.png</pixmap>
+              <pixmap resource="../resources.qrc">:/16x16/dialog-warning.svgz</pixmap>
              </property>
              <property name="alignment">
               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
@@ -1770,7 +1770,7 @@
                   <string/>
                  </property>
                  <property name="pixmap">
-                  <pixmap resource="../resources.qrc">:/16x16/dialog-information.png</pixmap>
+                  <pixmap resource="../resources.qrc">:/16x16/dialog-information.svgz</pixmap>
                  </property>
                  <property name="alignment">
                   <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
@@ -1849,7 +1849,7 @@
                </property>
                <property name="icon">
                 <iconset resource="../resources.qrc">
-                 <normaloff>:/16x16/list-add.png</normaloff>:/16x16/list-add.png</iconset>
+                 <normaloff>:/16x16/list-add.svgz</normaloff>:/16x16/list-add.svgz</iconset>
                </property>
               </widget>
              </item>
@@ -1860,7 +1860,7 @@
                </property>
                <property name="icon">
                 <iconset resource="../resources.qrc">
-                 <normaloff>:/16x16/list-remove.png</normaloff>:/16x16/list-remove.png</iconset>
+                 <normaloff>:/16x16/list-remove.svgz</normaloff>:/16x16/list-remove.svgz</iconset>
                </property>
               </widget>
              </item>
@@ -1887,7 +1887,7 @@
                </property>
                <property name="icon">
                 <iconset resource="../resources.qrc">
-                 <normaloff>:/16x16/edit-rename.png</normaloff>:/16x16/edit-rename.png</iconset>
+                 <normaloff>:/16x16/edit-rename.svgz</normaloff>:/16x16/edit-rename.svgz</iconset>
                </property>
               </widget>
              </item>

resources/ui/carla_settings_driver.ui

@@ -129,7 +129,7 @@
         <string/>
        </property>
        <property name="pixmap">
-        <pixmap resource="../resources.qrc">:/16x16/dialog-information.png</pixmap>
+        <pixmap resource="../resources.qrc">:/16x16/dialog-information.svgz</pixmap>
        </property>
        <property name="alignment">
         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>

source/frontend/carla_app.py

@@ -209,6 +209,10 @@ class CarlaApplication(object):
         if MACOS:
             QApplication.setAttribute(Qt.AA_DontShowIconsInMenus)
 
+        if QT_VERSION >= 0x50600:
+            QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
+            QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)
+
         args = sys.argv[:]
 
         if WINDOWS:

source/theme/CarlaStyle.cpp

@@ -1,7 +1,7 @@
 /*
  * Carla Style, based on Qt5 fusion style
  * Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies)
- * Copyright (C) 2013-2018 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2013-2019 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -2058,8 +2058,15 @@ void CarlaStyle::drawControl(ControlElement element, const QStyleOption *option,
                     state = QIcon::On;
 
                 QPixmap pixmap = button->icon.pixmap(button->iconSize, mode, state);
-                int w = pixmap.width();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
+                const qreal pw = static_cast<qreal>(pixmap.width()) / pixmap.devicePixelRatioF();
+                qreal w = pw;
+                qreal h = static_cast<qreal>(pixmap.height()) / pixmap.devicePixelRatioF();
+#else
+                const int pw = pixmap.width();
+                int w = pw;
                 int h = pixmap.height();
+#endif
 
                 if (!button->text.isEmpty())
                     w += button->fontMetrics.boundingRect(option->rect, tf, button->text).width() + 2;
@@ -2068,14 +2075,14 @@ void CarlaStyle::drawControl(ControlElement element, const QStyleOption *option,
                                ir.y() + ir.height() / 2 - h / 2);
 
                 if (button->direction == Qt::RightToLeft)
-                    point.rx() += pixmap.width();
+                    point.rx() += pw;
 
                 painter->drawPixmap(visualPos(button->direction, button->rect, point), pixmap);
 
                 if (button->direction == Qt::RightToLeft)
                     ir.translate(-point.x() - 2, 0);
                 else
-                    ir.translate(point.x() + pixmap.width(), 0);
+                    ir.translate(point.x() + pw, 0);
 
                 // left-align text if there is
                 if (!button->text.isEmpty())
@@ -3832,6 +3839,60 @@ QRect CarlaStyle::subControlRect(ComplexControl control, const QStyleOptionCompl
     return rect;
 }
 
+/*!
+  \reimp
+*/
+QPixmap CarlaStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption* opt, const QWidget* widget) const
+{
+#if 0 // ndef QT_NO_IMAGEFORMAT_XPM
+    switch (standardPixmap) {
+    case SP_TitleBarNormalButton:
+        return QPixmap((const char **)dock_widget_restore_xpm);
+    case SP_TitleBarMinButton:
+        return QPixmap((const char **)workspace_minimize);
+    case SP_TitleBarCloseButton:
+    case SP_DockWidgetCloseButton:
+        return QPixmap((const char **)dock_widget_close_xpm);
+    default:
+        break;
+    }
+#endif //QT_NO_IMAGEFORMAT_XPM
+
+    QPixmap pixmap = QCommonStyle::standardPixmap(standardPixmap, opt, widget);
+
+    if(!pixmap.isNull())
+        return pixmap;
+
+#if 0 // ndef QT_NO_IMAGEFORMAT_XPM
+    switch (standardPixmap) {
+    case SP_TitleBarMenuButton:
+        return QPixmap(qt_menu_xpm);
+    case SP_TitleBarShadeButton:
+        return QPixmap(qt_shade_xpm);
+    case SP_TitleBarUnshadeButton:
+        return QPixmap(qt_unshade_xpm);
+    case SP_TitleBarMaxButton:
+        return QPixmap(qt_maximize_xpm);
+    case SP_TitleBarCloseButton:
+        return QPixmap(qt_close_xpm);
+    case SP_TitleBarContextHelpButton:
+        return QPixmap(qt_help_xpm);
+    case SP_MessageBoxInformation:
+        return QPixmap(information_xpm);
+    case SP_MessageBoxWarning:
+        return QPixmap(warning_xpm);
+    case SP_MessageBoxCritical:
+        return QPixmap(critical_xpm);
+    case SP_MessageBoxQuestion:
+        return QPixmap(question_xpm);
+    default:
+        break;
+    }
+#endif //QT_NO_IMAGEFORMAT_XPM
+
+    return QPixmap();
+}
+
 /*!
   \reimp
 */

source/theme/CarlaStyle.hpp

@@ -1,7 +1,7 @@
 /*
  * Carla Style, based on Qt5 fusion style
  * Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies)
- * Copyright (C) 2013-2014 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2013-2019 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -32,7 +32,14 @@
 #  pragma clang diagnostic push
 #  pragma clang diagnostic ignored "-Wdeprecated-register"
 # endif
+# if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+#  pragma GCC diagnostic push
+#  pragma GCC diagnostic ignored "-Wclass-memaccess"
+# endif
 # include <QtGui/QCommonStyle>
+# if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+#  pragma GCC diagnostic pop
+# endif
 # ifdef __clang__
 #  pragma clang diagnostic pop
 # endif
@@ -65,6 +72,7 @@ public:
     QRect subElementRect(SubElement r, const QStyleOption* opt, const QWidget* widget = nullptr) const override;
     QSize sizeFromContents(ContentsType type, const QStyleOption* option, const QSize& size, const QWidget* widget) const override;
     QRect subControlRect(ComplexControl cc, const QStyleOptionComplex* opt, SubControl sc, const QWidget* widget) const override;
+    QPixmap standardPixmap(StandardPixmap sp, const QStyleOption* opt = nullptr, const QWidget* widget = nullptr) const override;
     int styleHint(StyleHint hint, const QStyleOption* option = nullptr, const QWidget* widget = nullptr,
                   QStyleHintReturn* returnData = nullptr) const override;
     void drawItemText(QPainter *painter, const QRect& rect, int flags, const QPalette& pal, bool enabled, const QString& text,