Add more Unix icon sizes

Some desktop environment, like KDE, need more rastered sizes and cannot
make use of the SVG.

media/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(ICON_SIZES 16 22 24 32 48)
+set(ICON_SIZES 16 22 24 32 48 64 128)
 
 find_program(CONVERT_EXECUTABLE convert)
 
@@ -9,11 +9,16 @@ if(CONVERT_EXECUTABLE)
   add_custom_target(icons DEPENDS ${ICON_FILES})
 
   foreach(SIZE ${ICON_SIZES})
+    if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/tigervnc_${SIZE}.svg)
+      set(ICON_SRC_FILE ${CMAKE_CURRENT_SOURCE_DIR}/tigervnc_${SIZE}.svg)
+    else()
+      set(ICON_SRC_FILE ${CMAKE_CURRENT_SOURCE_DIR}/tigervnc_48.svg)
+    endif()
     add_custom_command(OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/icons/tigervnc_${SIZE}.png
       COMMAND ${CONVERT_EXECUTABLE} -depth 8 -background transparent
-        ${CMAKE_CURRENT_SOURCE_DIR}/tigervnc_${SIZE}.svg
+        -size ${SIZE}x${SIZE} ${ICON_SRC_FILE}
         ${CMAKE_CURRENT_SOURCE_DIR}/icons/tigervnc_${SIZE}.png
-      DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/tigervnc_${SIZE}.svg
+      DEPENDS ${ICON_SRC_FILE}
       COMMENT "Generating icons/tigervnc_${SIZE}.png")
   endforeach()
 endif()

vncviewer/CMakeLists.txt

@@ -131,7 +131,7 @@ if(UNIX)
   add_custom_target(appstream ALL DEPENDS org.tigervnc.vncviewer.metainfo.xml)
   install(FILES ${CMAKE_CURRENT_BINARY_DIR}/org.tigervnc.vncviewer.metainfo.xml DESTINATION ${CMAKE_INSTALL_FULL_DATADIR}/metainfo)
 
-  foreach(res 16 22 24 32 48)
+  foreach(res 16 22 24 32 48 64 128)
     install(FILES ../media/icons/tigervnc_${res}.png DESTINATION ${CMAKE_INSTALL_FULL_DATADIR}/icons/hicolor/${res}x${res}/apps RENAME tigervnc.png)
   endforeach()
   install(FILES ../media/icons/tigervnc.svg DESTINATION ${CMAKE_INSTALL_FULL_DATADIR}/icons/hicolor/scalable/apps)

vncviewer/vncviewer.cxx

@@ -355,7 +355,7 @@ static void init_fltk()
 
   Fl_Window::default_icons(lg, sm);
 #elif ! defined(__APPLE__)
-  const int icon_sizes[] = {48, 32, 24, 16};
+  const int icon_sizes[] = {128, 64, 48, 32, 24, 22, 16};
 
   Fl_PNG_Image *icons[sizeof(icon_sizes)/sizeof(icon_sizes[0])];
   int count;