fix gtx3 & fix Readme (#3)

README.md

@@ -13,7 +13,7 @@ $ sudo dpkg -i pdf-quench_1.0.5_all.deb
 To make sure all dependencies are met:
 
 $ sudo apt install gir1.2-goocanvas-2.0 gir1.2-poppler-0.18 python-pygoocanvas
-  python-poppler python-pypdf
+  python-poppler python-pypdf2
 
 Shortcut can be found at Start > Office > Pdf-Quench.
 

src/pdf_quench.py

@@ -207,7 +207,7 @@ def __on_motion_notify(self, item, target, event):
 
 
   def __on_button_press(self, item, target, event):
-    if event.button.button == 1:
+    if event.button == 1:
       self.__drag_x = event.x
       self.__drag_y = event.y
       item.get_canvas().pointer_grab(
@@ -519,7 +519,7 @@ def __on_motion_notify(self, item, target, event):
 
 
   def __on_button_press(self, item, target, event):
-    if event.button.button == 1:
+    if event.button == 1:
       self.__drag_x = event.x
       self.__drag_y = event.y
 
@@ -535,7 +535,7 @@ def __on_button_press(self, item, target, event):
 
 
   def __on_button_release(self, item, target, event):
-    if event.button.button == 1:
+    if event.button == 1:
       item.get_canvas().pointer_ungrab(item, event.time)
       self.__dragging = False
     return True
@@ -596,7 +596,7 @@ def __on_motion_notify(self, item, target, event):
 
 
   def __on_button_press(self, item, target, event):
-    if event.button.button == 1 and not self.__cropping_box:
+    if event.button == 1 and not self.__cropping_box:
       canvas = item.get_canvas()
       self.__dragging = True
       self.__start_x = event.x
@@ -618,7 +618,7 @@ def __on_button_press(self, item, target, event):
 
 
   def __on_button_release(self, item, target, event):
-    if event.button.button == 1 and self.__dragging:
+    if event.button == 1 and self.__dragging:
       self.__dragging = False
       canvas = item.get_canvas()
       canvas.pointer_ungrab(item, event.time)
@@ -891,9 +891,7 @@ def __save_file(self):
       dialog.destroy()
 
     if os.path.exists(new_pdf_file_name):
-      msg_dialog = Gtk.MessageDialog(self,
-                                     flags=Gtk.DIALOG_MODAL,
-                                     type=Gtk.MESSAGE_ERROR)
+      msg_dialog = Gtk.MessageDialog(self,0,Gtk.MessageType.ERROR,Gtk.ButtonsType.CANCEL)
       msg_dialog.set_markup('File exists!')
       msg_dialog.run()
       msg_dialog.destroy()