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Unified Diff: apps/moterm/key_util.cc

Issue 1130093003: Moterm part 4: Add input event -> input character conversion function. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years, 7 months ago
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Index: apps/moterm/key_util.cc
diff --git a/apps/moterm/key_util.cc b/apps/moterm/key_util.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ab39d2746f5b8aba4f118590f89cdddd3f05c17a
--- /dev/null
+++ b/apps/moterm/key_util.cc
@@ -0,0 +1,249 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "apps/moterm/key_util.h"
+
+#include "base/logging.h"
+#include "mojo/services/input_events/public/interfaces/input_events.mojom.h"
+#include "mojo/services/input_events/public/interfaces/input_key_codes.mojom.h"
+
+// TODO(vtl): Handle more stuff and verify that we're consistent about the
+// sequences we generate.
+std::string GetInputSequenceForKeyPressedEvent(const mojo::Event& key_event) {
+ DCHECK_EQ(key_event.action, mojo::EVENT_TYPE_KEY_PRESSED);
+ CHECK(key_event.key_data);
+ const mojo::KeyData& key_data = *key_event.key_data;
+
+ DVLOG(2) << "Key pressed:"
+ << "\n is_char = " << key_data.is_char
+ << "\n character = " << key_data.character
+ << "\n windows_key_code = " << key_data.windows_key_code
+ << "\n text = " << key_data.text
+ << "\n unmodified_text = " << key_data.unmodified_text;
+
+ // We'll only deal with character events (which we'll get even if |character|
+ // isn't set).
+ if (!key_data.is_char)
+ return std::string();
+
+ // Use |character| if that's set.
+ // TODO(vtl): Maybe we should use |text| instead, but it seems to be the same
+ // as |character|. (The comments claim that |text| will have something for
+ // backspace while |character| won't, but this does not appear to be true
+ // currently.)
+ if (key_data.character) {
+ if (key_data.character >= 128) {
+ // TODO(vtl): Need to UTF-8 encode.
+ NOTIMPLEMENTED();
+ return std::string();
+ }
+ return std::string(1, static_cast<char>(key_data.character));
+ }
+
+ // TODO(vtl): For some of these, we may need to handle modifiers (from
+ // |event.flags|).
+ switch (key_data.windows_key_code) {
+ // Produces input sequence:
+ case mojo::KEYBOARD_CODE_BACK:
+ // Have backspace send DEL instead of BS.
+ return std::string("\x7f");
+ case mojo::KEYBOARD_CODE_ESCAPE:
+ return std::string("\x1b");
+ case mojo::KEYBOARD_CODE_PRIOR:
+ return std::string("\x1b[5~");
+ case mojo::KEYBOARD_CODE_NEXT:
+ return std::string("\x1b[6~");
+ case mojo::KEYBOARD_CODE_END:
+ return std::string("\x1b[F");
+ case mojo::KEYBOARD_CODE_HOME:
+ return std::string("\x1b[H");
+ case mojo::KEYBOARD_CODE_LEFT:
+ return std::string("\x1b[D");
+ case mojo::KEYBOARD_CODE_UP:
+ return std::string("\x1b[A");
+ case mojo::KEYBOARD_CODE_RIGHT:
+ return std::string("\x1b[C");
+ case mojo::KEYBOARD_CODE_DOWN:
+ return std::string("\x1b[B");
+ case mojo::KEYBOARD_CODE_INSERT:
+ return std::string("\x1b[2~");
+ case mojo::KEYBOARD_CODE_DELETE:
+ return std::string("\x1b[3~");
+
+ // Should have |character| set:
+ case mojo::KEYBOARD_CODE_TAB:
+ case mojo::KEYBOARD_CODE_RETURN:
+ case mojo::KEYBOARD_CODE_SPACE:
+ case mojo::KEYBOARD_CODE_NUM_0:
+ case mojo::KEYBOARD_CODE_NUM_1:
+ case mojo::KEYBOARD_CODE_NUM_2:
+ case mojo::KEYBOARD_CODE_NUM_3:
+ case mojo::KEYBOARD_CODE_NUM_4:
+ case mojo::KEYBOARD_CODE_NUM_5:
+ case mojo::KEYBOARD_CODE_NUM_6:
+ case mojo::KEYBOARD_CODE_NUM_7:
+ case mojo::KEYBOARD_CODE_NUM_8:
+ case mojo::KEYBOARD_CODE_NUM_9:
+ case mojo::KEYBOARD_CODE_A:
+ case mojo::KEYBOARD_CODE_B:
+ case mojo::KEYBOARD_CODE_C:
+ case mojo::KEYBOARD_CODE_D:
+ case mojo::KEYBOARD_CODE_E:
+ case mojo::KEYBOARD_CODE_F:
+ case mojo::KEYBOARD_CODE_G:
+ case mojo::KEYBOARD_CODE_H:
+ case mojo::KEYBOARD_CODE_I:
+ case mojo::KEYBOARD_CODE_J:
+ case mojo::KEYBOARD_CODE_K:
+ case mojo::KEYBOARD_CODE_L:
+ case mojo::KEYBOARD_CODE_M:
+ case mojo::KEYBOARD_CODE_N:
+ case mojo::KEYBOARD_CODE_O:
+ case mojo::KEYBOARD_CODE_P:
+ case mojo::KEYBOARD_CODE_Q:
+ case mojo::KEYBOARD_CODE_R:
+ case mojo::KEYBOARD_CODE_S:
+ case mojo::KEYBOARD_CODE_T:
+ case mojo::KEYBOARD_CODE_U:
+ case mojo::KEYBOARD_CODE_V:
+ case mojo::KEYBOARD_CODE_W:
+ case mojo::KEYBOARD_CODE_X:
+ case mojo::KEYBOARD_CODE_Y:
+ case mojo::KEYBOARD_CODE_Z:
+ // TODO(vtl): Actually, we won't get characters for Ctrl+<number> (and
+ // probably other odd combinations).
+ DLOG(WARNING) << "Expected character for key code "
+ << key_data.windows_key_code;
+ break;
+
+ // Purposely produce no input sequence:
+ case mojo::KEYBOARD_CODE_SHIFT:
+ case mojo::KEYBOARD_CODE_CONTROL:
+ case mojo::KEYBOARD_CODE_LSHIFT:
+ case mojo::KEYBOARD_CODE_RSHIFT:
+ case mojo::KEYBOARD_CODE_LCONTROL:
+ case mojo::KEYBOARD_CODE_RCONTROL:
+ break;
+
+ // TODO(vtl): Figure these out.
+ case mojo::KEYBOARD_CODE_CLEAR:
+ case mojo::KEYBOARD_CODE_MENU:
+ case mojo::KEYBOARD_CODE_PAUSE:
+ case mojo::KEYBOARD_CODE_CAPITAL:
+ case mojo::KEYBOARD_CODE_KANA: // A.k.a. |KEYBOARD_CODE_HANGUL|.
+ case mojo::KEYBOARD_CODE_JUNJA:
+ case mojo::KEYBOARD_CODE_FINAL:
+ case mojo::KEYBOARD_CODE_HANJA: // A.k.a. |KEYBOARD_CODE_KANJI|.
+ case mojo::KEYBOARD_CODE_CONVERT:
+ case mojo::KEYBOARD_CODE_NONCONVERT:
+ case mojo::KEYBOARD_CODE_ACCEPT:
+ case mojo::KEYBOARD_CODE_MODECHANGE:
+ case mojo::KEYBOARD_CODE_SELECT:
+ case mojo::KEYBOARD_CODE_PRINT:
+ case mojo::KEYBOARD_CODE_EXECUTE:
+ case mojo::KEYBOARD_CODE_SNAPSHOT:
+ case mojo::KEYBOARD_CODE_HELP:
+ case mojo::KEYBOARD_CODE_LWIN: // A.k.a. |KEYBOARD_CODE_COMMAND|.
+ case mojo::KEYBOARD_CODE_RWIN:
+ case mojo::KEYBOARD_CODE_APPS:
+ case mojo::KEYBOARD_CODE_SLEEP:
+ case mojo::KEYBOARD_CODE_NUMPAD0:
+ case mojo::KEYBOARD_CODE_NUMPAD1:
+ case mojo::KEYBOARD_CODE_NUMPAD2:
+ case mojo::KEYBOARD_CODE_NUMPAD3:
+ case mojo::KEYBOARD_CODE_NUMPAD4:
+ case mojo::KEYBOARD_CODE_NUMPAD5:
+ case mojo::KEYBOARD_CODE_NUMPAD6:
+ case mojo::KEYBOARD_CODE_NUMPAD7:
+ case mojo::KEYBOARD_CODE_NUMPAD8:
+ case mojo::KEYBOARD_CODE_NUMPAD9:
+ case mojo::KEYBOARD_CODE_MULTIPLY:
+ case mojo::KEYBOARD_CODE_ADD:
+ case mojo::KEYBOARD_CODE_SEPARATOR:
+ case mojo::KEYBOARD_CODE_SUBTRACT:
+ case mojo::KEYBOARD_CODE_DECIMAL:
+ case mojo::KEYBOARD_CODE_DIVIDE:
+ case mojo::KEYBOARD_CODE_F1:
+ case mojo::KEYBOARD_CODE_F2:
+ case mojo::KEYBOARD_CODE_F3:
+ case mojo::KEYBOARD_CODE_F4:
+ case mojo::KEYBOARD_CODE_F5:
+ case mojo::KEYBOARD_CODE_F6:
+ case mojo::KEYBOARD_CODE_F7:
+ case mojo::KEYBOARD_CODE_F8:
+ case mojo::KEYBOARD_CODE_F9:
+ case mojo::KEYBOARD_CODE_F10:
+ case mojo::KEYBOARD_CODE_F11:
+ case mojo::KEYBOARD_CODE_F12:
+ case mojo::KEYBOARD_CODE_F13:
+ case mojo::KEYBOARD_CODE_F14:
+ case mojo::KEYBOARD_CODE_F15:
+ case mojo::KEYBOARD_CODE_F16:
+ case mojo::KEYBOARD_CODE_F17:
+ case mojo::KEYBOARD_CODE_F18:
+ case mojo::KEYBOARD_CODE_F19:
+ case mojo::KEYBOARD_CODE_F20:
+ case mojo::KEYBOARD_CODE_F21:
+ case mojo::KEYBOARD_CODE_F22:
+ case mojo::KEYBOARD_CODE_F23:
+ case mojo::KEYBOARD_CODE_F24:
+ case mojo::KEYBOARD_CODE_NUMLOCK:
+ case mojo::KEYBOARD_CODE_SCROLL:
+ case mojo::KEYBOARD_CODE_LMENU:
+ case mojo::KEYBOARD_CODE_RMENU:
+ case mojo::KEYBOARD_CODE_BROWSER_BACK:
+ case mojo::KEYBOARD_CODE_BROWSER_FORWARD:
+ case mojo::KEYBOARD_CODE_BROWSER_REFRESH:
+ case mojo::KEYBOARD_CODE_BROWSER_STOP:
+ case mojo::KEYBOARD_CODE_BROWSER_SEARCH:
+ case mojo::KEYBOARD_CODE_BROWSER_FAVORITES:
+ case mojo::KEYBOARD_CODE_BROWSER_HOME:
+ case mojo::KEYBOARD_CODE_VOLUME_MUTE:
+ case mojo::KEYBOARD_CODE_VOLUME_DOWN:
+ case mojo::KEYBOARD_CODE_VOLUME_UP:
+ case mojo::KEYBOARD_CODE_MEDIA_NEXT_TRACK:
+ case mojo::KEYBOARD_CODE_MEDIA_PREV_TRACK:
+ case mojo::KEYBOARD_CODE_MEDIA_STOP:
+ case mojo::KEYBOARD_CODE_MEDIA_PLAY_PAUSE:
+ case mojo::KEYBOARD_CODE_MEDIA_LAUNCH_MAIL:
+ case mojo::KEYBOARD_CODE_MEDIA_LAUNCH_MEDIA_SELECT:
+ case mojo::KEYBOARD_CODE_MEDIA_LAUNCH_APP1:
+ case mojo::KEYBOARD_CODE_MEDIA_LAUNCH_APP2:
+ case mojo::KEYBOARD_CODE_OEM_1:
+ case mojo::KEYBOARD_CODE_OEM_PLUS:
+ case mojo::KEYBOARD_CODE_OEM_COMMA:
+ case mojo::KEYBOARD_CODE_OEM_MINUS:
+ case mojo::KEYBOARD_CODE_OEM_PERIOD:
+ case mojo::KEYBOARD_CODE_OEM_2:
+ case mojo::KEYBOARD_CODE_OEM_3:
+ case mojo::KEYBOARD_CODE_OEM_4:
+ case mojo::KEYBOARD_CODE_OEM_5:
+ case mojo::KEYBOARD_CODE_OEM_6:
+ case mojo::KEYBOARD_CODE_OEM_7:
+ case mojo::KEYBOARD_CODE_OEM_8:
+ case mojo::KEYBOARD_CODE_OEM_102:
+ case mojo::KEYBOARD_CODE_PROCESSKEY:
+ case mojo::KEYBOARD_CODE_PACKET:
+ case mojo::KEYBOARD_CODE_DBE_SBCSCHAR:
+ case mojo::KEYBOARD_CODE_DBE_DBCSCHAR:
+ case mojo::KEYBOARD_CODE_ATTN:
+ case mojo::KEYBOARD_CODE_CRSEL:
+ case mojo::KEYBOARD_CODE_EXSEL:
+ case mojo::KEYBOARD_CODE_EREOF:
+ case mojo::KEYBOARD_CODE_PLAY:
+ case mojo::KEYBOARD_CODE_ZOOM:
+ case mojo::KEYBOARD_CODE_NONAME:
+ case mojo::KEYBOARD_CODE_PA1:
+ case mojo::KEYBOARD_CODE_OEM_CLEAR:
+ case mojo::KEYBOARD_CODE_UNKNOWN:
+ case mojo::KEYBOARD_CODE_ALTGR:
+ NOTIMPLEMENTED() << "Key code " << key_data.windows_key_code;
+ break;
+
+ default:
+ LOG(WARNING) << "Unknown key code " << key_data.windows_key_code;
+ break;
+ }
+ return std::string();
+}
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