Implement keyboard shortcuts for paste

kitty/boss.py

@@ -19,7 +19,7 @@ import glfw_constants
 
 from .constants import appname
 from .char_grid import CharGrid
-from .keys import interpret_text_event, interpret_key_event
+from .keys import interpret_text_event, interpret_key_event, get_shortcut
 from .utils import sanitize_title
 from .fast_data_types import (
     BRACKETED_PASTE_START, BRACKETED_PASTE_END, Screen, read_bytes_dump, read_bytes
@@ -110,16 +110,18 @@ class Boss(Thread):
     def on_mouse_button(self, window, button, action, mods):
         if action == glfw_constants.GLFW_RELEASE:
             if button == glfw_constants.GLFW_MOUSE_BUTTON_MIDDLE:
-                # glfw has no way to get the primary selection
+                self.paste_from_selection()
-                # text = glfw.glfwGetClipboardString(window)
+                return
-                text = subprocess.check_output(['xsel'])
-                if text:
-                    if self.screen.in_bracketed_paste_mode():
-                        text = BRACKETED_PASTE_START.encode('ascii') + text + BRACKETED_PASTE_END.encode('ascii')
-                    self.write_to_child(text)
 
     def on_key(self, window, key, scancode, action, mods):
         if action == glfw_constants.GLFW_PRESS or action == glfw_constants.GLFW_REPEAT:
+            func = get_shortcut(self.opts.keymap, mods, key)
+            if func is not None:
+                func = getattr(self, func, None)
+                if func is not None:
+                    passthrough = func()
+                    if not passthrough:
+                        return
             data = interpret_key_event(key, scancode, mods)
             if data:
                 self.write_to_child(data)
@@ -260,3 +262,23 @@ class Boss(Thread):
         self.char_grid.change_colors(self.pending_color_changes)
         self.pending_color_changes = {}
         glfw.glfwPostEmptyEvent()
+
+    # actions {{{
+
+    def paste(self, text):
+        if text:
+            if self.screen.in_bracketed_paste_mode():
+                text = BRACKETED_PASTE_START.encode('ascii') + text + BRACKETED_PASTE_END.encode('ascii')
+            self.write_to_child(text)
+
+    def paste_from_clipboard(self):
+        text = glfw.glfwGetClipboardString(self.window)
+        self.paste(text)
+
+    def paste_from_selection(self):
+        # glfw has no way to get the primary selection
+        # https://github.com/glfw/glfw/issues/894
+        text = subprocess.check_output(['xsel'])
+        self.paste(text)
+
+    # }}}

kitty/config.py

@@ -230,11 +230,14 @@ def parse_key(val, keymap):
     def map_mod(m):
         return {'CTRL': 'CONTROL', 'CMD': 'CONTROL'}.get(m, m)
 
+    mods = 0
+    for m in parts[:-1]:
         try:
-        mods = frozenset(getattr(glfw, 'GLFW_MOD_' + map_mod(m.upper())) for m in parts[:-1])
+            mods |= getattr(glfw, 'GLFW_MOD_' + map_mod(m.upper()))
         except AttributeError:
             print('Shortcut: {} has an unknown modifier, ignoring'.format(val), file=sys.stderr)
             return
+
     key = getattr(glfw, 'GLFW_KEY_' + parts[-1].upper(), None)
     if key is None:
         print('Shortcut: {} has an unknown key, ignoring'.format(val), file=sys.stderr)

kitty/keys.py

@@ -61,3 +61,7 @@ def interpret_text_event(codepoint, mods):
         return b''  # Handled by interpret_key_event above
     data = chr(codepoint).encode('utf-8')
     return data
+
+
+def get_shortcut(keymap, mods, key):
+    return keymap.get((mods & 0b1111, key))