1 /* 2 * QEMU SDL display driver 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */ 25 26 #include "qemu/osdep.h" 27 #include "qemu-common.h" 28 #include "ui/console.h" 29 #include "ui/input.h" 30 #include "ui/sdl2.h" 31 #include "sysemu/sysemu.h" 32 33 static uint8_t modifiers_state[SDL_NUM_SCANCODES]; 34 35 void sdl2_process_key(struct sdl2_console *scon, 36 SDL_KeyboardEvent *ev) 37 { 38 int qcode; 39 QemuConsole *con = scon ? scon->dcl.con : NULL; 40 41 if (ev->keysym.scancode >= qemu_input_map_usb_to_qcode_len) { 42 return; 43 } 44 45 qcode = qemu_input_map_usb_to_qcode[ev->keysym.scancode]; 46 47 /* modifier state tracking */ 48 switch (ev->keysym.scancode) { 49 case SDL_SCANCODE_LCTRL: 50 case SDL_SCANCODE_LSHIFT: 51 case SDL_SCANCODE_LALT: 52 case SDL_SCANCODE_LGUI: 53 case SDL_SCANCODE_RCTRL: 54 case SDL_SCANCODE_RSHIFT: 55 case SDL_SCANCODE_RALT: 56 case SDL_SCANCODE_RGUI: 57 if (ev->type == SDL_KEYUP) { 58 modifiers_state[ev->keysym.scancode] = 0; 59 } else { 60 modifiers_state[ev->keysym.scancode] = 1; 61 } 62 break; 63 default: 64 /* nothing */ 65 break; 66 } 67 68 if (!qemu_console_is_graphic(con)) { 69 bool ctrl = (modifiers_state[SDL_SCANCODE_LCTRL] || 70 modifiers_state[SDL_SCANCODE_RCTRL]); 71 if (ev->type == SDL_KEYDOWN) { 72 switch (ev->keysym.scancode) { 73 case SDL_SCANCODE_RETURN: 74 kbd_put_keysym_console(con, '\n'); 75 break; 76 default: 77 kbd_put_qcode_console(con, qcode, ctrl); 78 break; 79 } 80 } 81 } else { 82 qemu_input_event_send_key_qcode(con, qcode, 83 ev->type == SDL_KEYDOWN); 84 } 85 } 86