Reverse transparency slider

to be more accurate.

Fix #1501

Signed-off-by: Gaetan Semet <gaetan@xeberon.net>

guake/globals.py

@@ -99,3 +99,6 @@ def is_run_from_git_workdir():
         r"^\s*(.*)\:([0-9]+)",
     )
 ]
+
+# Transparency max level (should be always 100)
+MAX_TRANSPARENCY = 100

guake/guake_app.py

@@ -61,6 +61,7 @@
 from guake.globals import ALIGN_RIGHT
 from guake.globals import ALIGN_TOP
 from guake.globals import ALWAYS_ON_PRIMARY
+from guake.globals import MAX_TRANSPARENCY
 from guake.globals import NAME
 from guake.gsettings import GSettingHandler
 from guake.guake_logging import setupLogging
@@ -105,9 +106,6 @@
 GDK_WINDOW_STATE_STICKY = 8
 GDK_WINDOW_STATE_ABOVE = 32
 
-# Transparency max level (should be always 100)
-MAX_TRANSPARENCY = 100
-
 
 class Guake(SimpleGladeApp):
 

guake/prefs.py

@@ -49,6 +49,7 @@
 from guake.globals import ALIGN_RIGHT
 from guake.globals import ALIGN_TOP
 from guake.globals import ALWAYS_ON_PRIMARY
+from guake.globals import MAX_TRANSPARENCY
 from guake.globals import NAME
 from guake.globals import QUICK_OPEN_MATCHERS
 from guake.globals import bindtextdomain
@@ -621,7 +622,7 @@ def on_transparency_value_changed(self, hscale):
         """
         value = hscale.get_value()
         self.prefDlg.set_colors_from_settings()
-        self.settings.styleBackground.set_int('transparency', int(value))
+        self.settings.styleBackground.set_int('transparency', MAX_TRANSPARENCY - int(value))
 
     # compatibility tab
 
@@ -1260,7 +1261,7 @@ def load_configs(self):
         self.set_cursor_blink_mode(value)
 
         value = self.settings.styleBackground.get_int('transparency')
-        self.get_widget('background_transparency').set_value(value)
+        self.get_widget('background_transparency').set_value(MAX_TRANSPARENCY - value)
 
         value = self.settings.general.get_int('window-valignment')
         self.get_widget('top_align').set_active(value)