move QtFrontend to the Qt dialogue

[lilass.git] / gui.py

diff --git a/gui.py b/gui.py
index d586442711a4a27cf45fb331b78cdeacf0a104a4..4847668630baea6c0642a1eac74ea47e5ea32f30 100644 (file)
--- a/gui.py
+++ b/gui.py
@@ -16,7 +16,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
 # This file abstracts GUI stuff away, so that the actual dsl.py does not have to deal with it
-import sys
 
 '''
 This module implements two functions:
@@ -29,90 +28,12 @@ def setup(internalResolutions, externalResolutions):
     The user should be asked about his display setup preferences.
     The function returns None if the user cancelled, and an instance of dsl.ScreenSetup otherwise.
 '''
-import subprocess, collections
+import collections
 
-from question_frontend import QuestionFrontend
-from screen import processOutputIt
+from qt_frontend import QtFrontend
+from cli_frontend import CLIFrontend
+from zenity_frontend import ZenityFrontend
 
-# Qt frontend
-class QtFrontend:
-    def __init__(self):
-        from PyQt4 import QtGui
-        self.app = QtGui.QApplication(sys.argv)
-        print("Qt loaded")
-    
-    def error(self, message):
-        from PyQt4 import QtGui
-        QtGui.QMessageBox.critical(None, 'Fatal error', message)
-    
-    def setup(self, situation):
-        from qt_dialogue import PositionSelection
-        return PositionSelection(situation).run()
-    
-    @staticmethod
-    def isAvailable():
-        try:
-            import PyQt4
-            return True
-        except ImportError:
-            return False
-
-
-# Zenity frontend
-class ZenityFrontend(QuestionFrontend):
-    def error(self, message):
-        '''Displays a fatal error to the user'''
-        subprocess.check_call(["zenity", "--error", "--text="+message])
-    def userChoose (self, title, choices, returns, fallback):
-        assert len(choices) == len(returns)
-        args = ["zenity", "--list", "--text="+title, "--column="]+choices
-        switch = dict (list(zip (choices,returns)))
-        try:
-            for line in processOutputIt(*args):
-                return switch.get(line.strip(), fallback)
-        except Exception:
-            # on user cancel, the return code of zenity is nonzero
-            return fallback
-        # if the output was empty
-        return fallback
-    def isAvailable():
-        try:
-            processOutputIt("zenity", "--version")
-            return True
-        except FileNotFoundError:
-            return False
-        except PermissionError:
-            return False
-
-# CLI frontend
-class CLIFrontend(QuestionFrontend):
-    def error(self, message):
-        print(message, file=sys.stderr)
-
-    def userChoose (self, title, choices, returns, fallback):
-        while True:
-            # print question
-            print(title)
-            for i in range(len(choices)):
-                print("%d. %s"%(i,choices[i]))
-            print("Enter 'c' to cancel.")
-            # handle input
-            answer = input("> ")
-            if answer == "c":
-                return None
-            #else
-            try:
-                answerint = int(answer)
-                if answerint >= 0 and answerint < len(choices):
-                    return returns[answerint]
-            except ValueError:
-                pass
-            # if we are here something invalid was entered
-            print("INVALID ANSWER: '%s'" % answer)
-
-    @staticmethod
-    def isAvailable():
-        return True
 
 # list of available frontends
 frontends = collections.OrderedDict()