Fix #15162 (GUI: update icons)

AUTHORS

@@ -466,4 +466,5 @@ Zhu Lei
 Дмитрий Старцев
 
 GUI graphics courtesy of Tango Desktop Project:
-http://tango.freedesktop.org
+https://gitlab.freedesktop.org/tango/tango-icon-theme
+https://commons.wikimedia.org/wiki/File:Refresh_file.svg

gui/gui.qrc

@@ -2,31 +2,67 @@
     <qresource prefix="/">
         <file>cppcheck-gui.png</file>
         <file>images/dialog-error.png</file>
+        <file>images/dialog-error@2x.png</file>
+        <file>images/dialog-error@3x.png</file>
         <file>images/dialog-information.png</file>
+        <file>images/dialog-information@2x.png</file>
+        <file>images/dialog-information@3x.png</file>
         <file>images/dialog-warning.png</file>
+        <file>images/dialog-warning@2x.png</file>
+        <file>images/dialog-warning@3x.png</file>
         <file>images/edit-clear.png</file>
+        <file>images/edit-clear@2x.png</file>
+        <file>images/edit-clear@3x.png</file>
         <file>images/go-down.png</file>
+        <file>images/go-down@2x.png</file>
+        <file>images/go-down@3x.png</file>
         <file>images/help-browser.png</file>
+        <file>images/help-browser@2x.png</file>
+        <file>images/help-browser@3x.png</file>
         <file>images/media-floppy.png</file>
+        <file>images/media-floppy@2x.png</file>
+        <file>images/media-floppy@3x.png</file>
         <file>images/preferences-system.png</file>
+        <file>images/preferences-system@2x.png</file>
+        <file>images/preferences-system@3x.png</file>
         <file>images/process-stop.png</file>
+        <file>images/process-stop@2x.png</file>
+        <file>images/process-stop@3x.png</file>
         <file>images/text-x-generic.png</file>
+        <file>images/text-x-generic@2x.png</file>
+        <file>images/text-x-generic@3x.png</file>
         <file>images/view-recheck.png</file>
-        <file>images/view-refresh.png</file>
-        <file>images/showerrors.png</file>
-        <file>images/showstylewarnings.png</file>
-        <file>images/openproject.png</file>
-        <file>images/scratchpad.png</file>
-        <file>images/showwarnings.png</file>
-        <file>images/showperformance.png</file>
+        <file>images/view-recheck@2x.png</file>
+        <file>images/view-recheck@3x.png</file>
+        <file>images/refresh-file.png</file>
+        <file>images/refresh-file@2x.png</file>
+        <file>images/refresh-file@3x.png</file>
+        <file>images/folder.png</file>
+        <file>images/folder@2x.png</file>
+        <file>images/folder@3x.png</file>
+        <file>images/accessories-text-editor.png</file>
+        <file>images/accessories-text-editor@2x.png</file>
+        <file>images/accessories-text-editor@3x.png</file>
         <file>images/utilities-system-monitor.png</file>
+        <file>images/utilities-system-monitor@2x.png</file>
+        <file>images/utilities-system-monitor@3x.png</file>
         <file alias="COPYING">../COPYING</file>
         <file alias="AUTHORS">../AUTHORS</file>
         <file>images/go-home.png</file>
+        <file>images/go-home@2x.png</file>
+        <file>images/go-home@3x.png</file>
         <file>images/go-next.png</file>
+        <file>images/go-next@2x.png</file>
+        <file>images/go-next@3x.png</file>
         <file>images/go-previous.png</file>
+        <file>images/go-previous@2x.png</file>
+        <file>images/go-previous@3x.png</file>
         <file>images/applications-development.png</file>
+        <file>images/applications-development@2x.png</file>
+        <file>images/applications-development@3x.png</file>
         <file>images/applications-system.png</file>
+        <file>images/applications-system@2x.png</file>
+        <file>images/applications-system@3x.png</file>
         <file>images/llvm-dragon.png</file>
         <file>images/verify.svg</file>
     </qresource>

gui/mainwindow.ui

@@ -363,7 +363,7 @@
   <action name="mActionReanalyzeModified">
    <property name="icon">
     <iconset resource="gui.qrc">
-     <normaloff>:/images/view-refresh.png</normaloff>:/images/view-refresh.png</iconset>
+     <normaloff>:/images/refresh-file.png</normaloff>:/images/refresh-file.png</iconset>
    </property>
    <property name="text">
     <string>&amp;Reanalyze modified files</string>
@@ -461,7 +461,7 @@
    </property>
    <property name="icon">
     <iconset resource="gui.qrc">
-     <normaloff>:/images/showerrors.png</normaloff>:/images/showerrors.png</iconset>
+     <normaloff>:/images/dialog-error.png</normaloff>:/images/dialog-error.png</iconset>
    </property>
    <property name="text">
     <string>E&amp;rrors</string>
@@ -539,7 +539,7 @@
   <action name="mActionOpenProjectFile">
    <property name="icon">
     <iconset resource="gui.qrc">
-     <normaloff>:/images/openproject.png</normaloff>:/images/openproject.png</iconset>
+     <normaloff>:/images/folder.png</normaloff>:/images/folder.png</iconset>
    </property>
    <property name="text">
     <string>Open P&amp;roject File...</string>
@@ -551,7 +551,7 @@
   <action name="mActionShowScratchpad">
    <property name="icon">
     <iconset resource="gui.qrc">
-     <normaloff>:/images/scratchpad.png</normaloff>:/images/scratchpad.png</iconset>
+     <normaloff>:/images/accessories-text-editor.png</normaloff>:/images/accessories-text-editor.png</iconset>
    </property>
    <property name="text">
     <string>Sh&amp;ow Scratchpad...</string>
@@ -607,7 +607,7 @@
    </property>
    <property name="icon">
     <iconset resource="gui.qrc">
-     <normaloff>:/images/showwarnings.png</normaloff>:/images/showwarnings.png</iconset>
+     <normaloff>:/images/dialog-warning.png</normaloff>:/images/dialog-warning.png</iconset>
    </property>
    <property name="text">
     <string>&amp;Warnings</string>
@@ -625,7 +625,7 @@
    </property>
    <property name="icon">
     <iconset resource="gui.qrc">
-     <normaloff>:/images/showperformance.png</normaloff>:/images/showperformance.png</iconset>
+     <normaloff>:/images/utilities-system-monitor.png</normaloff>:/images/utilities-system-monitor.png</iconset>
    </property>
    <property name="text">
     <string>Per&amp;formance warnings</string>