From: Ralf Jung Date: Fri, 20 Jul 2012 15:03:59 +0000 (+0200) Subject: show aspect ratio of resolutions X-Git-Url: https://git.ralfj.de/lilass.git/commitdiff_plain/babc1614b62e85bacb95ca42d42a7eb618031af9?hp=93e1258e8c9afca0e3cba00d765d6de0afa1bc3e show aspect ratio of resolutions --- diff --git a/external_screen.py b/external_screen.py index 6d47ec7..895405e 100755 --- a/external_screen.py +++ b/external_screen.py @@ -25,10 +25,22 @@ def getXrandrInformation(): if p.returncode != 0: raise Exception("Querying xrandr for data failed") return connectors -def res2str(res): +def res2xrandr(res): (w, h) = res return str(w)+'x'+str(h) +def res2user(res): + (w, h) = res + # get ratio + ratio = int(round(16.0*h/w)) + if ratio == 12: # 16:12 = 4:3 + strRatio = '4:3' + elif ratio == 13: # 16:12.8 = 5:4 + strRatio = '5:4' + else: # let's just hope this will never be 14 or more... + strRatio = '16:%d' % ratio + return '%dx%d (%s)' %(w, h, strRatio) + # Check screen setup internalName = "LVDS" externalName = "CRT1" @@ -38,11 +50,11 @@ externalResolutions = connectors.get(externalName) # Check what to do if externalResolutions is not None: # we need to ask what to do - extPosition = PositionSelection(map(res2str, internalResolutions), map(res2str, externalResolutions)) + extPosition = PositionSelection(map(res2user, internalResolutions), map(res2user, externalResolutions)) extPosition.exec_() if not extPosition.result(): sys.exit(1) # the user canceled - extResolution = res2str(externalResolutions[extPosition.extResolutions.currentIndex()]) - intResolution = res2str(internalResolutions[extPosition.intResolutions.currentIndex()]) + extResolution = res2xrandr(externalResolutions[extPosition.extResolutions.currentIndex()]) + intResolution = res2xrandr(internalResolutions[extPosition.intResolutions.currentIndex()]) # build command-line externalArgs = ["--mode", extResolution] # we definitely want an external screen if extPosition.extOnly.isChecked(): @@ -60,7 +72,7 @@ if externalResolutions is not None: # we need to ask what to do else: internalArgs += ["--primary"] else: - internalArgs = ["--mode", res2str(internalResolutions[0]), "--primary"] # there must be a resolution for the internal screen + internalArgs = ["--mode", res2str(internalResolutions[0]), "--primary"] externalArgs = ["--off"] # and do it call = ["xrandr", "--output", internalName] + internalArgs + ["--output", externalName] + externalArgs