themeeditor: Fix dmg deploy steps.

- Fix binary name in Info.plist.
- Run dmgbuild as Python module, in some cases it isn't available directly.
- Add missing dmgbuild configuration for themeeditor.

Change-Id: I2db50959b88283f43e2203cf71b130cdb33103dd

utils/cmake/deploy.cmake

@@ -73,12 +73,13 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
         if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
             message(WARNING "Deploying a Debug build.")
         endif()
-        set(DMGBUILD ${CMAKE_BINARY_DIR}/venv/bin/dmgbuild)
+        set(DMGBUILD ${CMAKE_BINARY_DIR}/venv/bin/python3 -m dmgbuild)
+        set(DMGBUILD_STAMP ${CMAKE_BINARY_DIR}/dmgbuild.stamp)
         find_program(MACDEPLOYQT_EXECUTABLE macdeployqt HINTS "${qtbindir}")
 
         add_custom_command(
             COMMENT "Setting up dmgbuild virtualenv"
-            OUTPUT ${DMGBUILD}
+            OUTPUT ${DMGBUILD_STAMP}
             COMMAND python3 -m venv ${CMAKE_BINARY_DIR}/venv
             COMMAND ${CMAKE_BINARY_DIR}/venv/bin/python -m pip install -q dmgbuild
         )
@@ -92,7 +93,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
                     -Dappbundle=${target}.app
                     ${target} ${CMAKE_BINARY_DIR}/${target}.dmg
             DEPENDS ${target}
-                    ${DMGBUILD}
+                    ${DMGBUILD_STAMP}
             )
         add_custom_target(deploy_${target}
             DEPENDS ${CMAKE_BINARY_DIR}/${target}.dmg)

utils/themeeditor/Info.plist

@@ -3,7 +3,7 @@
 <plist version="0.9">
     <dict>
         <key>CFBundleExecutable</key>
-        <string>rbthemeeditor</string>
+        <string>RockboxThemeEditor</string>
         <key>CFBundleName</key>
         <string>Theme Editor</string>
         <key>CFBundleShortVersionString</key>

utils/themeeditor/dmgbuild.cfg

@@ -0,0 +1,17 @@
+# Configuration for creating a dmg with dmgbuild
+# (https://github.com/al45tair/dmgbuild)
+# Requires at least Python 3.4
+
+import os
+import plistlib
+
+_appbundle = defines['appbundle']
+_plfile = open(os.path.join(_appbundle, 'Contents/Info.plist'))
+_pldata = _plfile.read().encode()
+_plist = plistlib.loads(_pldata)
+_iconfile = os.path.join(_appbundle, 'Contents/Resources', _plist['CFBundleIconFile'])
+
+files = [ _appbundle ]
+icon = _iconfile
+background = '#c6d6f5'
+