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[Qemu-devel] [PATCH 2/4] adb.c: add support for QKeyCode


From: Programmingkid
Subject: [Qemu-devel] [PATCH 2/4] adb.c: add support for QKeyCode
Date: Thu, 24 Mar 2016 10:04:56 -0400

The old pc scancode translation is replaced with QEMU's QKeyCode.

Signed-off-by: John Arbuckle <address@hidden>
---
*v2 changes
Changed order of this patch.

 hw/input/adb.c | 222 +++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 176 insertions(+), 46 deletions(-)

diff --git a/hw/input/adb.c b/hw/input/adb.c
index f0ad0d4..3bfa686 100644
--- a/hw/input/adb.c
+++ b/hw/input/adb.c
@@ -25,6 +25,9 @@
 #include "hw/hw.h"
 #include "hw/input/adb.h"
 #include "ui/console.h"
+#include "include/hw/input/adb-keys.h"
+#include "ui/input.h"
+#include "sysemu/sysemu.h"
 
 /* debug ADB */
 //#define DEBUG_ADB
@@ -187,23 +190,138 @@ typedef struct ADBKeyboardClass {
     DeviceRealize parent_realize;
 } ADBKeyboardClass;
 
-static const uint8_t pc_to_adb_keycode[256] = {
-  0, 53, 18, 19, 20, 21, 23, 22, 26, 28, 25, 29, 27, 24, 51, 48,
- 12, 13, 14, 15, 17, 16, 32, 34, 31, 35, 33, 30, 36, 54,  0,  1,
-  2,  3,  5,  4, 38, 40, 37, 41, 39, 50, 56, 42,  6,  7,  8,  9,
- 11, 45, 46, 43, 47, 44,123, 67, 58, 49, 57,122,120, 99,118, 96,
- 97, 98,100,101,109, 71,107, 89, 91, 92, 78, 86, 87, 88, 69, 83,
- 84, 85, 82, 65,  0,  0, 10,103,111,  0,  0,110, 81,  0,  0,  0,
-  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-  0,  0,  0, 94,  0, 93,  0,  0,  0,  0,  0,  0,104,102,  0,  0,
-  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 76,125,  0,  0,
-  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,105,  0,  0,  0,  0,  0,
-  0,  0,  0,  0,  0, 75,  0,  0,124,  0,  0,  0,  0,  0,  0,  0,
-  0,  0,  0,  0,  0,  0,  0,115, 62,116,  0, 59,  0, 60,  0,119,
- 61,121,114,117,  0,  0,  0,  0,  0,  0,  0, 55,126,  0,127,  0,
-  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-  0,  0,  0,  0,  0, 95,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+int qcode_to_adb_keycode[] = {
+
+    [Q_KEY_CODE_SHIFT]         = ADB_KEY_LEFT_SHIFT,
+    [Q_KEY_CODE_SHIFT_R]       = ADB_KEY_RIGHT_SHIFT,
+    [Q_KEY_CODE_ALT]           = ADB_KEY_LEFT_OPTION,
+    [Q_KEY_CODE_ALT_R]         = ADB_KEY_RIGHT_OPTION,
+    [Q_KEY_CODE_ALTGR]         = ADB_KEY_RIGHT_OPTION,
+    [Q_KEY_CODE_CTRL]          = ADB_KEY_LEFT_CONTROL,
+    [Q_KEY_CODE_CTRL_R]        = ADB_KEY_RIGHT_CONTROL,
+    [Q_KEY_CODE_META_L]        = ADB_KEY_LEFT_COMMAND,
+
+     /* ADB_KEY_RIGHT_COMMAND works as right super in Linux */
+     /* Use ADB_KEY_LEFT_COMMAND for Mac OS compatibility */
+    [Q_KEY_CODE_META_R]        = ADB_KEY_LEFT_COMMAND,
+    [Q_KEY_CODE_SPC]           = ADB_KEY_SPACEBAR,
+
+    [Q_KEY_CODE_ESC]           = ADB_KEY_ESC,
+    [Q_KEY_CODE_1]             = ADB_KEY_1,
+    [Q_KEY_CODE_2]             = ADB_KEY_2,
+    [Q_KEY_CODE_3]             = ADB_KEY_3,
+    [Q_KEY_CODE_4]             = ADB_KEY_4,
+    [Q_KEY_CODE_5]             = ADB_KEY_5,
+    [Q_KEY_CODE_6]             = ADB_KEY_6,
+    [Q_KEY_CODE_7]             = ADB_KEY_7,
+    [Q_KEY_CODE_8]             = ADB_KEY_8,
+    [Q_KEY_CODE_9]             = ADB_KEY_9,
+    [Q_KEY_CODE_0]             = ADB_KEY_0,
+    [Q_KEY_CODE_MINUS]         = ADB_KEY_MINUS,
+    [Q_KEY_CODE_EQUAL]         = ADB_KEY_EQUAL,
+    [Q_KEY_CODE_BACKSPACE]     = ADB_KEY_DELETE,
+    [Q_KEY_CODE_TAB]           = ADB_KEY_TAB,
+    [Q_KEY_CODE_Q]             = ADB_KEY_Q,
+    [Q_KEY_CODE_W]             = ADB_KEY_W,
+    [Q_KEY_CODE_E]             = ADB_KEY_E,
+    [Q_KEY_CODE_R]             = ADB_KEY_R,
+    [Q_KEY_CODE_T]             = ADB_KEY_T,
+    [Q_KEY_CODE_Y]             = ADB_KEY_Y,
+    [Q_KEY_CODE_U]             = ADB_KEY_U,
+    [Q_KEY_CODE_I]             = ADB_KEY_I,
+    [Q_KEY_CODE_O]             = ADB_KEY_O,
+    [Q_KEY_CODE_P]             = ADB_KEY_P,
+    [Q_KEY_CODE_BRACKET_LEFT]  = ADB_KEY_LEFT_BRACKET,
+    [Q_KEY_CODE_BRACKET_RIGHT] = ADB_KEY_RIGHT_BRACKET,
+    [Q_KEY_CODE_RET]           = ADB_KEY_RETURN,
+    [Q_KEY_CODE_A]             = ADB_KEY_A,
+    [Q_KEY_CODE_S]             = ADB_KEY_S,
+    [Q_KEY_CODE_D]             = ADB_KEY_D,
+    [Q_KEY_CODE_F]             = ADB_KEY_F,
+    [Q_KEY_CODE_G]             = ADB_KEY_G,
+    [Q_KEY_CODE_H]             = ADB_KEY_H,
+    [Q_KEY_CODE_J]             = ADB_KEY_J,
+    [Q_KEY_CODE_K]             = ADB_KEY_K,
+    [Q_KEY_CODE_L]             = ADB_KEY_L,
+    [Q_KEY_CODE_SEMICOLON]     = ADB_KEY_SEMICOLON,
+    [Q_KEY_CODE_APOSTROPHE]    = ADB_KEY_APOSTROPHE,
+    [Q_KEY_CODE_GRAVE_ACCENT]  = ADB_KEY_GRAVE_ACCENT,
+    [Q_KEY_CODE_BACKSLASH]     = ADB_KEY_BACKSLASH,
+    [Q_KEY_CODE_Z]             = ADB_KEY_Z,
+    [Q_KEY_CODE_X]             = ADB_KEY_X,
+    [Q_KEY_CODE_C]             = ADB_KEY_C,
+    [Q_KEY_CODE_V]             = ADB_KEY_V,
+    [Q_KEY_CODE_B]             = ADB_KEY_B,
+    [Q_KEY_CODE_N]             = ADB_KEY_N,
+    [Q_KEY_CODE_M]             = ADB_KEY_M,
+    [Q_KEY_CODE_COMMA]         = ADB_KEY_COMMA,
+    [Q_KEY_CODE_DOT]           = ADB_KEY_PERIOD,
+    [Q_KEY_CODE_SLASH]         = ADB_KEY_FORWARD_SLASH,
+    [Q_KEY_CODE_ASTERISK]      = ADB_KEY_KP_MULTIPLY,
+    [Q_KEY_CODE_CAPS_LOCK]     = ADB_KEY_CAPS_LOCK,
+
+    [Q_KEY_CODE_F1]            = ADB_KEY_F1,
+    [Q_KEY_CODE_F2]            = ADB_KEY_F2,
+    [Q_KEY_CODE_F3]            = ADB_KEY_F3,
+    [Q_KEY_CODE_F4]            = ADB_KEY_F4,
+    [Q_KEY_CODE_F5]            = ADB_KEY_F5,
+    [Q_KEY_CODE_F6]            = ADB_KEY_F6,
+    [Q_KEY_CODE_F7]            = ADB_KEY_F7,
+    [Q_KEY_CODE_F8]            = ADB_KEY_F8,
+    [Q_KEY_CODE_F9]            = ADB_KEY_F9,
+    [Q_KEY_CODE_F10]           = ADB_KEY_F10,
+    [Q_KEY_CODE_F11]           = ADB_KEY_F11,
+    [Q_KEY_CODE_F12]           = ADB_KEY_F12,
+    [Q_KEY_CODE_PRINT]         = ADB_KEY_F13,
+    [Q_KEY_CODE_SYSRQ]         = ADB_KEY_F13,
+    [Q_KEY_CODE_SCROLL_LOCK]   = ADB_KEY_F14,
+    [Q_KEY_CODE_PAUSE]         = ADB_KEY_F15,
+
+    [Q_KEY_CODE_NUM_LOCK]      = ADB_KEY_KP_CLEAR,
+    [Q_KEY_CODE_KP_EQUALS]     = ADB_KEY_KP_EQUAL,
+    [Q_KEY_CODE_KP_DIVIDE]     = ADB_KEY_KP_DIVIDE,
+    [Q_KEY_CODE_KP_MULTIPLY]   = ADB_KEY_KP_MULTIPLY,
+    [Q_KEY_CODE_KP_SUBTRACT]   = ADB_KEY_KP_SUBTRACT,
+    [Q_KEY_CODE_KP_ADD]        = ADB_KEY_KP_PLUS,
+    [Q_KEY_CODE_KP_ENTER]      = ADB_KEY_KP_ENTER,
+    [Q_KEY_CODE_KP_DECIMAL]    = ADB_KEY_KP_PERIOD,
+    [Q_KEY_CODE_KP_0]          = ADB_KEY_KP_0,
+    [Q_KEY_CODE_KP_1]          = ADB_KEY_KP_1,
+    [Q_KEY_CODE_KP_2]          = ADB_KEY_KP_2,
+    [Q_KEY_CODE_KP_3]          = ADB_KEY_KP_3,
+    [Q_KEY_CODE_KP_4]          = ADB_KEY_KP_4,
+    [Q_KEY_CODE_KP_5]          = ADB_KEY_KP_5,
+    [Q_KEY_CODE_KP_6]          = ADB_KEY_KP_6,
+    [Q_KEY_CODE_KP_7]          = ADB_KEY_KP_7,
+    [Q_KEY_CODE_KP_8]          = ADB_KEY_KP_8,
+    [Q_KEY_CODE_KP_9]          = ADB_KEY_KP_9,
+
+    [Q_KEY_CODE_UP]            = ADB_KEY_UP,
+    [Q_KEY_CODE_DOWN]          = ADB_KEY_DOWN,
+    [Q_KEY_CODE_LEFT]          = ADB_KEY_LEFT,
+    [Q_KEY_CODE_RIGHT]         = ADB_KEY_RIGHT,
+
+    [Q_KEY_CODE_HELP]          = ADB_KEY_HELP,
+    [Q_KEY_CODE_INSERT]        = ADB_KEY_HELP,
+    [Q_KEY_CODE_DELETE]        = ADB_KEY_FORWARD_DELETE,
+    [Q_KEY_CODE_HOME]          = ADB_KEY_HOME,
+    [Q_KEY_CODE_END]           = ADB_KEY_END,
+    [Q_KEY_CODE_PGUP]          = ADB_KEY_PAGE_UP,
+    [Q_KEY_CODE_PGDN]          = ADB_KEY_PAGE_DOWN,
+
+    [Q_KEY_CODE_LESS]          = 0,
+    [Q_KEY_CODE_STOP]          = 0,
+    [Q_KEY_CODE_AGAIN]         = 0,
+    [Q_KEY_CODE_PROPS]         = 0,
+    [Q_KEY_CODE_UNDO]          = 0,
+    [Q_KEY_CODE_FRONT]         = 0,
+    [Q_KEY_CODE_COPY]          = 0,
+    [Q_KEY_CODE_OPEN]          = 0,
+    [Q_KEY_CODE_PASTE]         = 0,
+    [Q_KEY_CODE_FIND]          = 0,
+    [Q_KEY_CODE_CUT]           = 0,
+    [Q_KEY_CODE_LF]            = 0,
+    [Q_KEY_CODE_COMPOSE]       = 0,
 };
 
 static void adb_kbd_put_keycode(void *opaque, int keycode)
@@ -220,35 +338,25 @@ static void adb_kbd_put_keycode(void *opaque, int keycode)
 
 static int adb_kbd_poll(ADBDevice *d, uint8_t *obuf)
 {
-    static int ext_keycode;
     KBDState *s = ADB_KEYBOARD(d);
-    int adb_keycode, keycode;
+    int keycode;
     int olen;
 
     olen = 0;
-    for(;;) {
-        if (s->count == 0)
-            break;
-        keycode = s->data[s->rptr];
-        if (++s->rptr == sizeof(s->data))
-            s->rptr = 0;
-        s->count--;
-
-        if (keycode == 0xe0) {
-            ext_keycode = 1;
-        } else {
-            if (ext_keycode)
-                adb_keycode =  pc_to_adb_keycode[keycode | 0x80];
-            else
-                adb_keycode =  pc_to_adb_keycode[keycode & 0x7f];
-            obuf[0] = adb_keycode | (keycode & 0x80);
-            /* NOTE: could put a second keycode if needed */
-            obuf[1] = 0xff;
-            olen = 2;
-            ext_keycode = 0;
-            break;
-        }
+    if (s->count == 0) {
+        return 0;
+    }
+    keycode = s->data[s->rptr];
+    s->rptr++;
+    if (s->rptr == sizeof(s->data)) {
+        s->rptr = 0;
     }
+    s->count--;
+    obuf[0] = keycode;
+    /* NOTE: could put a second keycode if needed */
+    obuf[1] = 0xff;
+    olen = 2;
+
     return olen;
 }
 
@@ -313,6 +421,26 @@ static int adb_kbd_request(ADBDevice *d, uint8_t *obuf,
     return olen;
 }
 
+/* This is where keyboard events enter this file */
+static void adb_keyboard_event(DeviceState *dev, QemuConsole *src,
+                               InputEvent *evt)
+{
+    KBDState *s = (KBDState *)dev;
+    int qcode, keycode;
+
+    qcode = qemu_input_key_value_to_qcode(evt->u.key.data->key);
+    if (qcode >= ARRAY_SIZE(qcode_to_adb_keycode)) {
+        return;
+    }
+    keycode = qcode_to_adb_keycode[qcode];
+
+    if (evt->u.key.data->down == false) { /* if key release event */
+        keycode = keycode | 0x80;   /* create keyboard break code */
+    }
+
+    adb_kbd_put_keycode(s, keycode);
+}
+
 static const VMStateDescription vmstate_adb_kbd = {
     .name = "adb_kbd",
     .version_id = 2,
@@ -342,18 +470,20 @@ static void adb_kbd_reset(DeviceState *dev)
 
 static void adb_kbd_realizefn(DeviceState *dev, Error **errp)
 {
-    ADBDevice *d = ADB_DEVICE(dev);
     ADBKeyboardClass *akc = ADB_KEYBOARD_GET_CLASS(dev);
-
     akc->parent_realize(dev, errp);
-
-    qemu_add_kbd_event_handler(adb_kbd_put_keycode, d);
 }
 
+static QemuInputHandler adb_keyboard_handler = {
+    .name  = "QEMU ADB Keyboard",
+    .mask  = INPUT_EVENT_MASK_KEY,
+    .event = adb_keyboard_event,
+};
+
 static void adb_kbd_initfn(Object *obj)
 {
     ADBDevice *d = ADB_DEVICE(obj);
-
+    qemu_input_handler_register((DeviceState *)d, &adb_keyboard_handler);
     d->devaddr = ADB_DEVID_KEYBOARD;
 }
 
-- 
2.7.2





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