5a37532d08
Add a linked list of keyboard handlers. Added handlers will go to the head of the list. Removed handlers will be zapped from the list. The head of the list will be used for events. This fixes the keyboard-dead-after-usb-kbd-unplug issue, key events will be re-routed to the ps/2 kbd instead of being discarded. [ v2: fix cut+paste bug found my Markus ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 1366798118-3248-3-git-send-email-kraxel@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
559 lines
14 KiB
C
559 lines
14 KiB
C
/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "sysemu/sysemu.h"
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#include "monitor/monitor.h"
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#include "ui/console.h"
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#include "qapi/error.h"
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#include "qmp-commands.h"
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#include "qapi-types.h"
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struct QEMUPutMouseEntry {
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QEMUPutMouseEvent *qemu_put_mouse_event;
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void *qemu_put_mouse_event_opaque;
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int qemu_put_mouse_event_absolute;
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char *qemu_put_mouse_event_name;
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int index;
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/* used internally by qemu for handling mice */
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QTAILQ_ENTRY(QEMUPutMouseEntry) node;
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};
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struct QEMUPutKbdEntry {
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QEMUPutKBDEvent *put_kbd;
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void *opaque;
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QTAILQ_ENTRY(QEMUPutKbdEntry) next;
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};
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struct QEMUPutLEDEntry {
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QEMUPutLEDEvent *put_led;
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void *opaque;
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QTAILQ_ENTRY(QEMUPutLEDEntry) next;
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};
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static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
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QTAILQ_HEAD_INITIALIZER(led_handlers);
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static QTAILQ_HEAD(, QEMUPutKbdEntry) kbd_handlers =
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QTAILQ_HEAD_INITIALIZER(kbd_handlers);
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static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
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QTAILQ_HEAD_INITIALIZER(mouse_handlers);
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static NotifierList mouse_mode_notifiers =
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NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
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static const int key_defs[] = {
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[Q_KEY_CODE_SHIFT] = 0x2a,
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[Q_KEY_CODE_SHIFT_R] = 0x36,
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[Q_KEY_CODE_ALT] = 0x38,
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[Q_KEY_CODE_ALT_R] = 0xb8,
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[Q_KEY_CODE_ALTGR] = 0x64,
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[Q_KEY_CODE_ALTGR_R] = 0xe4,
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[Q_KEY_CODE_CTRL] = 0x1d,
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[Q_KEY_CODE_CTRL_R] = 0x9d,
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[Q_KEY_CODE_MENU] = 0xdd,
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[Q_KEY_CODE_ESC] = 0x01,
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[Q_KEY_CODE_1] = 0x02,
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[Q_KEY_CODE_2] = 0x03,
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[Q_KEY_CODE_3] = 0x04,
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[Q_KEY_CODE_4] = 0x05,
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[Q_KEY_CODE_5] = 0x06,
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[Q_KEY_CODE_6] = 0x07,
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[Q_KEY_CODE_7] = 0x08,
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[Q_KEY_CODE_8] = 0x09,
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[Q_KEY_CODE_9] = 0x0a,
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[Q_KEY_CODE_0] = 0x0b,
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[Q_KEY_CODE_MINUS] = 0x0c,
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[Q_KEY_CODE_EQUAL] = 0x0d,
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[Q_KEY_CODE_BACKSPACE] = 0x0e,
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[Q_KEY_CODE_TAB] = 0x0f,
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[Q_KEY_CODE_Q] = 0x10,
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[Q_KEY_CODE_W] = 0x11,
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[Q_KEY_CODE_E] = 0x12,
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[Q_KEY_CODE_R] = 0x13,
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[Q_KEY_CODE_T] = 0x14,
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[Q_KEY_CODE_Y] = 0x15,
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[Q_KEY_CODE_U] = 0x16,
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[Q_KEY_CODE_I] = 0x17,
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[Q_KEY_CODE_O] = 0x18,
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[Q_KEY_CODE_P] = 0x19,
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[Q_KEY_CODE_BRACKET_LEFT] = 0x1a,
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[Q_KEY_CODE_BRACKET_RIGHT] = 0x1b,
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[Q_KEY_CODE_RET] = 0x1c,
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[Q_KEY_CODE_A] = 0x1e,
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[Q_KEY_CODE_S] = 0x1f,
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[Q_KEY_CODE_D] = 0x20,
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[Q_KEY_CODE_F] = 0x21,
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[Q_KEY_CODE_G] = 0x22,
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[Q_KEY_CODE_H] = 0x23,
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[Q_KEY_CODE_J] = 0x24,
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[Q_KEY_CODE_K] = 0x25,
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[Q_KEY_CODE_L] = 0x26,
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[Q_KEY_CODE_SEMICOLON] = 0x27,
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[Q_KEY_CODE_APOSTROPHE] = 0x28,
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[Q_KEY_CODE_GRAVE_ACCENT] = 0x29,
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[Q_KEY_CODE_BACKSLASH] = 0x2b,
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[Q_KEY_CODE_Z] = 0x2c,
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[Q_KEY_CODE_X] = 0x2d,
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[Q_KEY_CODE_C] = 0x2e,
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[Q_KEY_CODE_V] = 0x2f,
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[Q_KEY_CODE_B] = 0x30,
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[Q_KEY_CODE_N] = 0x31,
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[Q_KEY_CODE_M] = 0x32,
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[Q_KEY_CODE_COMMA] = 0x33,
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[Q_KEY_CODE_DOT] = 0x34,
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[Q_KEY_CODE_SLASH] = 0x35,
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[Q_KEY_CODE_ASTERISK] = 0x37,
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[Q_KEY_CODE_SPC] = 0x39,
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[Q_KEY_CODE_CAPS_LOCK] = 0x3a,
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[Q_KEY_CODE_F1] = 0x3b,
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[Q_KEY_CODE_F2] = 0x3c,
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[Q_KEY_CODE_F3] = 0x3d,
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[Q_KEY_CODE_F4] = 0x3e,
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[Q_KEY_CODE_F5] = 0x3f,
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[Q_KEY_CODE_F6] = 0x40,
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[Q_KEY_CODE_F7] = 0x41,
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[Q_KEY_CODE_F8] = 0x42,
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[Q_KEY_CODE_F9] = 0x43,
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[Q_KEY_CODE_F10] = 0x44,
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[Q_KEY_CODE_NUM_LOCK] = 0x45,
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[Q_KEY_CODE_SCROLL_LOCK] = 0x46,
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[Q_KEY_CODE_KP_DIVIDE] = 0xb5,
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[Q_KEY_CODE_KP_MULTIPLY] = 0x37,
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[Q_KEY_CODE_KP_SUBTRACT] = 0x4a,
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[Q_KEY_CODE_KP_ADD] = 0x4e,
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[Q_KEY_CODE_KP_ENTER] = 0x9c,
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[Q_KEY_CODE_KP_DECIMAL] = 0x53,
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[Q_KEY_CODE_SYSRQ] = 0x54,
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[Q_KEY_CODE_KP_0] = 0x52,
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[Q_KEY_CODE_KP_1] = 0x4f,
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[Q_KEY_CODE_KP_2] = 0x50,
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[Q_KEY_CODE_KP_3] = 0x51,
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[Q_KEY_CODE_KP_4] = 0x4b,
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[Q_KEY_CODE_KP_5] = 0x4c,
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[Q_KEY_CODE_KP_6] = 0x4d,
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[Q_KEY_CODE_KP_7] = 0x47,
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[Q_KEY_CODE_KP_8] = 0x48,
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[Q_KEY_CODE_KP_9] = 0x49,
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[Q_KEY_CODE_LESS] = 0x56,
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[Q_KEY_CODE_F11] = 0x57,
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[Q_KEY_CODE_F12] = 0x58,
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[Q_KEY_CODE_PRINT] = 0xb7,
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[Q_KEY_CODE_HOME] = 0xc7,
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[Q_KEY_CODE_PGUP] = 0xc9,
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[Q_KEY_CODE_PGDN] = 0xd1,
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[Q_KEY_CODE_END] = 0xcf,
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[Q_KEY_CODE_LEFT] = 0xcb,
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[Q_KEY_CODE_UP] = 0xc8,
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[Q_KEY_CODE_DOWN] = 0xd0,
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[Q_KEY_CODE_RIGHT] = 0xcd,
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[Q_KEY_CODE_INSERT] = 0xd2,
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[Q_KEY_CODE_DELETE] = 0xd3,
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#ifdef NEED_CPU_H
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#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
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[Q_KEY_CODE_STOP] = 0xf0,
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[Q_KEY_CODE_AGAIN] = 0xf1,
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[Q_KEY_CODE_PROPS] = 0xf2,
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[Q_KEY_CODE_UNDO] = 0xf3,
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[Q_KEY_CODE_FRONT] = 0xf4,
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[Q_KEY_CODE_COPY] = 0xf5,
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[Q_KEY_CODE_OPEN] = 0xf6,
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[Q_KEY_CODE_PASTE] = 0xf7,
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[Q_KEY_CODE_FIND] = 0xf8,
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[Q_KEY_CODE_CUT] = 0xf9,
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[Q_KEY_CODE_LF] = 0xfa,
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[Q_KEY_CODE_HELP] = 0xfb,
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[Q_KEY_CODE_META_L] = 0xfc,
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[Q_KEY_CODE_META_R] = 0xfd,
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[Q_KEY_CODE_COMPOSE] = 0xfe,
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#endif
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#endif
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[Q_KEY_CODE_MAX] = 0,
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};
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int index_from_key(const char *key)
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{
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int i;
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for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
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if (!strcmp(key, QKeyCode_lookup[i])) {
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break;
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}
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}
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/* Return Q_KEY_CODE_MAX if the key is invalid */
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return i;
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}
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int index_from_keycode(int code)
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{
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int i;
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for (i = 0; i < Q_KEY_CODE_MAX; i++) {
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if (key_defs[i] == code) {
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break;
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}
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}
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/* Return Q_KEY_CODE_MAX if the code is invalid */
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return i;
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}
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static int *keycodes;
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static int keycodes_size;
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static QEMUTimer *key_timer;
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static int keycode_from_keyvalue(const KeyValue *value)
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{
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if (value->kind == KEY_VALUE_KIND_QCODE) {
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return key_defs[value->qcode];
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} else {
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assert(value->kind == KEY_VALUE_KIND_NUMBER);
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return value->number;
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}
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}
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static void free_keycodes(void)
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{
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g_free(keycodes);
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keycodes = NULL;
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keycodes_size = 0;
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}
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static void release_keys(void *opaque)
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{
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while (keycodes_size > 0) {
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if (keycodes[--keycodes_size] & 0x80) {
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kbd_put_keycode(0xe0);
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}
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kbd_put_keycode(keycodes[keycodes_size] | 0x80);
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}
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free_keycodes();
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}
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void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
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Error **errp)
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{
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int keycode;
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KeyValueList *p;
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if (!key_timer) {
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key_timer = qemu_new_timer_ns(vm_clock, release_keys, NULL);
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}
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if (keycodes != NULL) {
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qemu_del_timer(key_timer);
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release_keys(NULL);
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}
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if (!has_hold_time) {
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hold_time = 100;
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}
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for (p = keys; p != NULL; p = p->next) {
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/* key down events */
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keycode = keycode_from_keyvalue(p->value);
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if (keycode < 0x01 || keycode > 0xff) {
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error_setg(errp, "invalid hex keycode 0x%x", keycode);
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free_keycodes();
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return;
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}
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if (keycode & 0x80) {
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kbd_put_keycode(0xe0);
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}
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kbd_put_keycode(keycode & 0x7f);
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keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1));
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keycodes[keycodes_size++] = keycode;
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}
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/* delayed key up events */
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qemu_mod_timer(key_timer, qemu_get_clock_ns(vm_clock) +
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muldiv64(get_ticks_per_sec(), hold_time, 1000));
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}
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QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
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{
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QEMUPutKbdEntry *entry;
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entry = g_malloc0(sizeof(QEMUPutKbdEntry));
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entry->put_kbd = func;
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entry->opaque = opaque;
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QTAILQ_INSERT_HEAD(&kbd_handlers, entry, next);
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return entry;
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}
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void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry)
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{
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QTAILQ_REMOVE(&kbd_handlers, entry, next);
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}
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static void check_mode_change(void)
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{
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static int current_is_absolute, current_has_absolute;
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int is_absolute;
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int has_absolute;
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is_absolute = kbd_mouse_is_absolute();
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has_absolute = kbd_mouse_has_absolute();
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if (is_absolute != current_is_absolute ||
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has_absolute != current_has_absolute) {
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notifier_list_notify(&mouse_mode_notifiers, NULL);
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}
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current_is_absolute = is_absolute;
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current_has_absolute = has_absolute;
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}
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QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
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void *opaque, int absolute,
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const char *name)
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{
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QEMUPutMouseEntry *s;
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static int mouse_index = 0;
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s = g_malloc0(sizeof(QEMUPutMouseEntry));
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s->qemu_put_mouse_event = func;
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s->qemu_put_mouse_event_opaque = opaque;
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s->qemu_put_mouse_event_absolute = absolute;
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s->qemu_put_mouse_event_name = g_strdup(name);
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s->index = mouse_index++;
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QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
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check_mode_change();
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return s;
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}
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void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
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{
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QTAILQ_REMOVE(&mouse_handlers, entry, node);
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QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
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check_mode_change();
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}
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void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
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{
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QTAILQ_REMOVE(&mouse_handlers, entry, node);
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g_free(entry->qemu_put_mouse_event_name);
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g_free(entry);
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check_mode_change();
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}
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QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
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void *opaque)
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{
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QEMUPutLEDEntry *s;
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s = g_malloc0(sizeof(QEMUPutLEDEntry));
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s->put_led = func;
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s->opaque = opaque;
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QTAILQ_INSERT_TAIL(&led_handlers, s, next);
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return s;
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}
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void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
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{
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if (entry == NULL)
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return;
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QTAILQ_REMOVE(&led_handlers, entry, next);
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g_free(entry);
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}
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void kbd_put_keycode(int keycode)
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{
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QEMUPutKbdEntry *entry = QTAILQ_FIRST(&kbd_handlers);
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if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
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return;
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}
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if (entry) {
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entry->put_kbd(entry->opaque, keycode);
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}
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}
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void kbd_put_ledstate(int ledstate)
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{
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QEMUPutLEDEntry *cursor;
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QTAILQ_FOREACH(cursor, &led_handlers, next) {
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cursor->put_led(cursor->opaque, ledstate);
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}
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}
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void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
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{
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QEMUPutMouseEntry *entry;
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QEMUPutMouseEvent *mouse_event;
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void *mouse_event_opaque;
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int width, height;
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if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
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return;
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}
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if (QTAILQ_EMPTY(&mouse_handlers)) {
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return;
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}
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entry = QTAILQ_FIRST(&mouse_handlers);
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mouse_event = entry->qemu_put_mouse_event;
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mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
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if (mouse_event) {
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if (entry->qemu_put_mouse_event_absolute) {
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width = 0x7fff;
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height = 0x7fff;
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} else {
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width = graphic_width - 1;
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height = graphic_height - 1;
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}
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switch (graphic_rotate) {
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case 0:
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mouse_event(mouse_event_opaque,
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dx, dy, dz, buttons_state);
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break;
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case 90:
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mouse_event(mouse_event_opaque,
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width - dy, dx, dz, buttons_state);
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break;
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case 180:
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mouse_event(mouse_event_opaque,
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width - dx, height - dy, dz, buttons_state);
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break;
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case 270:
|
|
mouse_event(mouse_event_opaque,
|
|
dy, height - dx, dz, buttons_state);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int kbd_mouse_is_absolute(void)
|
|
{
|
|
if (QTAILQ_EMPTY(&mouse_handlers)) {
|
|
return 0;
|
|
}
|
|
|
|
return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
|
|
}
|
|
|
|
int kbd_mouse_has_absolute(void)
|
|
{
|
|
QEMUPutMouseEntry *entry;
|
|
|
|
QTAILQ_FOREACH(entry, &mouse_handlers, node) {
|
|
if (entry->qemu_put_mouse_event_absolute) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
MouseInfoList *qmp_query_mice(Error **errp)
|
|
{
|
|
MouseInfoList *mice_list = NULL;
|
|
QEMUPutMouseEntry *cursor;
|
|
bool current = true;
|
|
|
|
QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
|
|
MouseInfoList *info = g_malloc0(sizeof(*info));
|
|
info->value = g_malloc0(sizeof(*info->value));
|
|
info->value->name = g_strdup(cursor->qemu_put_mouse_event_name);
|
|
info->value->index = cursor->index;
|
|
info->value->absolute = !!cursor->qemu_put_mouse_event_absolute;
|
|
info->value->current = current;
|
|
|
|
current = false;
|
|
|
|
info->next = mice_list;
|
|
mice_list = info;
|
|
}
|
|
|
|
return mice_list;
|
|
}
|
|
|
|
void do_mouse_set(Monitor *mon, const QDict *qdict)
|
|
{
|
|
QEMUPutMouseEntry *cursor;
|
|
int index = qdict_get_int(qdict, "index");
|
|
int found = 0;
|
|
|
|
if (QTAILQ_EMPTY(&mouse_handlers)) {
|
|
monitor_printf(mon, "No mouse devices connected\n");
|
|
return;
|
|
}
|
|
|
|
QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
|
|
if (cursor->index == index) {
|
|
found = 1;
|
|
qemu_activate_mouse_event_handler(cursor);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
monitor_printf(mon, "Mouse at given index not found\n");
|
|
}
|
|
|
|
check_mode_change();
|
|
}
|
|
|
|
void qemu_add_mouse_mode_change_notifier(Notifier *notify)
|
|
{
|
|
notifier_list_add(&mouse_mode_notifiers, notify);
|
|
}
|
|
|
|
void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
|
|
{
|
|
notifier_remove(notify);
|
|
}
|