Merge pull request kivy#2743 from kivy/clipboard_os_specific

Clipboard os specific

Author: tito

kivy/__init__.py

@@ -189,7 +189,7 @@ def kivy_usage():
     'image': ('tex', 'imageio', 'dds', 'gif', 'pil', 'pygame', 'ffpy', 'sdl2'),
     'camera': ('opencv', 'gi', 'pygst', 'videocapture', 'avfoundation'),
     'spelling': ('enchant', 'osxappkit', ),
-    'clipboard': ('android', 'pygame', 'dummy', 'sdl2'), }
+    'clipboard': ('android', 'winctypes', 'dbusklipper', 'nspaste', 'pygame', 'sdl2', 'dummy'), }
 
 # Read environment
 for option in kivy_options:
@@ -209,6 +209,7 @@ def kivy_usage():
 #: Kivy directory
 kivy_base_dir = dirname(sys.modules[__name__].__file__)
 #: Kivy modules directory
+
 kivy_modules_dir = environ.get('KIVY_MODULES_DIR',
                                join(kivy_base_dir, 'modules'))
 #: Kivy extension directory

kivy/core/clipboard/__init__.py

@@ -1,3 +1,4 @@
+
 '''
 Clipboard
 =========
@@ -120,14 +121,25 @@ def _paste(self):
     _clipboards.append(
         ('android', 'clipboard_android', 'ClipboardAndroid'))
 elif _platform in ('macosx', 'linux', 'win'):
+    if _platform == 'macosx':
+        _clipboards.append(
+            ('nspaste', 'clipboard_nspaste', 'ClipboardNSPaste'))
+    elif _platform == 'win':
+        _clipboards.append(
+            ('winctypes', 'clipboard_winctypes', 'ClipboardWindows'))
+    elif _platform == 'linux':
+        _clipboards.append(('dbusklipper', 'clipboard_dbusklipper', 'ClipboardDbusKlipper'))
+
     _clipboards.append(
         ('pygame', 'clipboard_pygame', 'ClipboardPygame'))
-    _clipboards.append(
-        ('sdl2', 'clipboard_sdl2', 'ClipboardSDL2'))
+
+_clipboards.append(
+    ('sdl2', 'clipboard_sdl2', 'ClipboardSDL2'))
 _clipboards.append(
     ('dummy', 'clipboard_dummy', 'ClipboardDummy'))
 
 Clipboard = core_select_lib('clipboard', _clipboards, True)
 
 del _clipboards
 del _platform
+

kivy/core/clipboard/clipboard_dbusklipper.py

@@ -0,0 +1,41 @@
+'''
+Clipboard Dbus: an implementation of the Clipboard using dbus and klipper.
+'''
+
+__all__ = ('ClipboardDbusKlipper', )
+
+from kivy.utils import platform
+from kivy.core.clipboard import ClipboardBase
+
+if platform != 'linux':
+    raise SystemError('unsupported platform for dbus kde clipboard')
+
+try:
+    import dbus
+    bus = dbus.SessionBus()
+    proxy = bus.get_object("org.kde.klipper", "/klipper")
+except:
+    raise
+
+
+class ClipboardDbusKlipper(ClipboardBase):
+
+    _is_init = False
+
+    def init(self):
+        if ClipboardDbusKlipper._is_init:
+            return
+        self.iface = dbus.Interface(proxy, "org.kde.klipper.klipper")
+        ClipboardDbusKlipper._is_init = True
+
+    def get(self, mimetype='text/plain'):
+        self.init()
+        return str(self.iface.getClipboardContents())
+
+    def put(self, data, mimetype='text/plain'):
+        self.init()
+        self.iface.setClipboardContents(data.replace('\x00', ''))
+
+    def get_types(self):
+        self.init()
+        return 'text/plain'

kivy/core/clipboard/clipboard_nspaste.py

@@ -0,0 +1,40 @@
+'''
+Clipboard OsX: implementation of clipboard using Appkit
+'''
+
+__all__ = ('ClipboardNSPaste', )
+
+from kivy.core.clipboard import ClipboardBase
+from kivy.utils import platform
+
+if platform != 'macosx':
+    raise SystemError('Unsupported platform for appkit clipboard.')
+try:
+    from pyobjus import autoclass
+    from pyobjus.dylib_manager import load_framework, INCLUDE
+    load_framework(INCLUDE.AppKit)
+except ImportError:
+    raise SystemError('Pyobjus not installed. Please run the following'
+        ' command to install it. `pip install --user pyobjus`')
+
+NSPasteboard = autoclass('NSPasteboard')
+NSString = autoclass('NSString')
+
+
+class ClipboardNSPaste(ClipboardBase):
+
+    def __init__(self):
+        super(ClipboardNSPaste, self).__init__()
+        self._clipboard = NSPasteboard.generalPasteboard()
+
+    def get(self, mimetype='text/plain'):
+        pb = self._clipboard
+        return pb.stringForType_('public.utf8-plain-text').UTF8String()
+
+    def put(self, data, mimetype='text/plain'):
+        pb = self._clipboard
+        pb.clearContents()
+        pb.writeObjects_([data])
+
+    def get_types(self):
+        return list('text/plain',)

kivy/core/clipboard/clipboard_winctypes.py

@@ -0,0 +1,47 @@
+'''
+Clipboard windows: an implementation of the Clipboard using ctypes.
+'''
+
+__all__ = ('ClipboardWindows', )
+
+from kivy.utils import platform
+from kivy.core.clipboard import ClipboardBase
+
+if platform != 'win':
+    raise SystemError('unsupported platform for Windows clipboard')
+
+import ctypes
+user32 = ctypes.windll.user32
+kernel32 = ctypes.windll.kernel32
+msvcrt = ctypes.cdll.msvcrt
+c_char_p = ctypes.c_char_p
+c_wchar_p = ctypes.c_wchar_p
+
+
+class ClipboardWindows(ClipboardBase):
+
+    def get(self, mimetype='text/plain'):
+        user32.OpenClipboard(0)
+        # 1 is CF_TEXT
+        pcontents = user32.GetClipboardData(13)
+        data = c_wchar_p(pcontents).value.encode('utf-16')
+        #ctypes.windll.kernel32.GlobalUnlock(pcontents)
+        user32.CloseClipboard()
+        return data
+
+    def put(self, text, mimetype='text/plain'):
+        GMEM_DDESHARE = 0x2000
+        CF_UNICODETEXT = 13
+        user32.OpenClipboard(None)
+        user32.EmptyClipboard()
+        hCd = kernel32.GlobalAlloc(GMEM_DDESHARE, len(text) + 2)
+        pchData = kernel32.GlobalLock(hCd)
+        msvcrt.wcscpy(c_wchar_p(pchData), text)
+        kernel32.GlobalUnlock(hCd)
+        user32.SetClipboardData(CF_UNICODETEXT, hCd)
+        user32.CloseClipboard()
+
+    def get_types(self):
+        return list('text/plain',)
+
+