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/*
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* QEMU SDL display driver
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*
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* Copyright (c) 2003 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 "vl.h" |
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#include <SDL.h> |
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#ifndef _WIN32
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#include <signal.h> |
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#endif
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#if defined(__APPLE__)
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#define CONFIG_SDL_GENERIC_KBD
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#endif
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static SDL_Surface *screen;
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static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ |
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static int last_vm_running; |
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static int gui_saved_grab; |
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static int gui_fullscreen; |
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static int gui_key_modifier_pressed; |
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static int gui_keysym; |
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|
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static void sdl_update(DisplayState *ds, int x, int y, int w, int h) |
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{
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// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
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SDL_UpdateRect(screen, x, y, w, h); |
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} |
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static void sdl_resize(DisplayState *ds, int w, int h) |
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{
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int flags;
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// printf("resizing to %d %d\n", w, h);
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flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; |
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flags |= SDL_RESIZABLE; |
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if (gui_fullscreen)
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flags |= SDL_FULLSCREEN; |
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screen = SDL_SetVideoMode(w, h, 0, flags);
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if (!screen) {
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fprintf(stderr, "Could not open SDL display\n");
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exit(1);
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} |
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ds->data = screen->pixels; |
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ds->linesize = screen->pitch; |
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ds->depth = screen->format->BitsPerPixel; |
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} |
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#ifdef CONFIG_SDL_GENERIC_KBD
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/* XXX: use keymap tables defined in the VNC patch because the
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following code suppose you have a US keyboard. */
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static const uint8_t scancodes[SDLK_LAST] = { |
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[SDLK_ESCAPE] = 0x01,
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[SDLK_1] = 0x02,
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[SDLK_2] = 0x03,
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[SDLK_3] = 0x04,
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[SDLK_4] = 0x05,
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[SDLK_5] = 0x06,
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[SDLK_6] = 0x07,
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[SDLK_7] = 0x08,
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[SDLK_8] = 0x09,
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[SDLK_9] = 0x0a,
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[SDLK_0] = 0x0b,
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[SDLK_MINUS] = 0x0c,
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[SDLK_EQUALS] = 0x0d,
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[SDLK_BACKSPACE] = 0x0e,
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[SDLK_TAB] = 0x0f,
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[SDLK_q] = 0x10,
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[SDLK_w] = 0x11,
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[SDLK_e] = 0x12,
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[SDLK_r] = 0x13,
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[SDLK_t] = 0x14,
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[SDLK_y] = 0x15,
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[SDLK_u] = 0x16,
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[SDLK_i] = 0x17,
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[SDLK_o] = 0x18,
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[SDLK_p] = 0x19,
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[SDLK_LEFTBRACKET] = 0x1a,
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[SDLK_RIGHTBRACKET] = 0x1b,
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[SDLK_RETURN] = 0x1c,
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[SDLK_LCTRL] = 0x1d,
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[SDLK_a] = 0x1e,
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[SDLK_s] = 0x1f,
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[SDLK_d] = 0x20,
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[SDLK_f] = 0x21,
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[SDLK_g] = 0x22,
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[SDLK_h] = 0x23,
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[SDLK_j] = 0x24,
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[SDLK_k] = 0x25,
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[SDLK_l] = 0x26,
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[SDLK_SEMICOLON] = 0x27,
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[SDLK_QUOTE] = 0x28,
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[SDLK_BACKQUOTE] = 0x29,
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[SDLK_LSHIFT] = 0x2a,
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[SDLK_BACKSLASH] = 0x2b,
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[SDLK_z] = 0x2c,
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[SDLK_x] = 0x2d,
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[SDLK_c] = 0x2e,
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[SDLK_v] = 0x2f,
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[SDLK_b] = 0x30,
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[SDLK_n] = 0x31,
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[SDLK_m] = 0x32,
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[SDLK_COMMA] = 0x33,
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[SDLK_PERIOD] = 0x34,
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[SDLK_SLASH] = 0x35,
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[SDLK_KP_MULTIPLY] = 0x37,
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[SDLK_LALT] = 0x38,
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[SDLK_SPACE] = 0x39,
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[SDLK_CAPSLOCK] = 0x3a,
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[SDLK_F1] = 0x3b,
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[SDLK_F2] = 0x3c,
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[SDLK_F3] = 0x3d,
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[SDLK_F4] = 0x3e,
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[SDLK_F5] = 0x3f,
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[SDLK_F6] = 0x40,
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[SDLK_F7] = 0x41,
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[SDLK_F8] = 0x42,
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[SDLK_F9] = 0x43,
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[SDLK_F10] = 0x44,
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[SDLK_NUMLOCK] = 0x45,
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[SDLK_SCROLLOCK] = 0x46,
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[SDLK_KP7] = 0x47,
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[SDLK_KP8] = 0x48,
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[SDLK_KP9] = 0x49,
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[SDLK_KP_MINUS] = 0x4a,
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[SDLK_KP4] = 0x4b,
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[SDLK_KP5] = 0x4c,
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[SDLK_KP6] = 0x4d,
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[SDLK_KP_PLUS] = 0x4e,
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[SDLK_KP1] = 0x4f,
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[SDLK_KP2] = 0x50,
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[SDLK_KP3] = 0x51,
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[SDLK_KP0] = 0x52,
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[SDLK_KP_PERIOD] = 0x53,
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[SDLK_PRINT] = 0x54,
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[SDLK_LMETA] = 0x56,
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[SDLK_KP_ENTER] = 0x9c,
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[SDLK_KP_DIVIDE] = 0xb5,
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[SDLK_UP] = 0xc8,
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[SDLK_DOWN] = 0xd0,
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[SDLK_RIGHT] = 0xcd,
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[SDLK_LEFT] = 0xcb,
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[SDLK_INSERT] = 0xd2,
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[SDLK_HOME] = 0xc7,
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[SDLK_END] = 0xcf,
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[SDLK_PAGEUP] = 0xc9,
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[SDLK_PAGEDOWN] = 0xd1,
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[SDLK_DELETE] = 0xd3,
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}; |
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static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
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{
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return scancodes[ev->keysym.sym];
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} |
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#elif defined(_WIN32)
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static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
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{
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return ev->keysym.scancode;
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} |
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#else
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static const uint8_t x_keycode_to_pc_keycode[61] = { |
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0xc7, /* 97 Home */ |
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0xc8, /* 98 Up */ |
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0xc9, /* 99 PgUp */ |
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0xcb, /* 100 Left */ |
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0x4c, /* 101 KP-5 */ |
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0xcd, /* 102 Right */ |
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0xcf, /* 103 End */ |
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0xd0, /* 104 Down */ |
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0xd1, /* 105 PgDn */ |
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0xd2, /* 106 Ins */ |
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0xd3, /* 107 Del */ |
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0x9c, /* 108 Enter */ |
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0x9d, /* 109 Ctrl-R */ |
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0x0, /* 110 Pause */ |
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0xb7, /* 111 Print */ |
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0xb5, /* 112 Divide */ |
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0xb8, /* 113 Alt-R */ |
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0xc6, /* 114 Break */ |
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0x0, /* 115 */ |
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0x0, /* 116 */ |
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0x0, /* 117 */ |
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0x0, /* 118 */ |
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0x0, /* 119 */ |
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0x70, /* 120 Hiragana_Katakana */ |
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0x0, /* 121 */ |
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0x0, /* 122 */ |
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0x73, /* 123 backslash */ |
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0x0, /* 124 */ |
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0x0, /* 125 */ |
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0x0, /* 126 */ |
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0x0, /* 127 */ |
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0x0, /* 128 */ |
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0x79, /* 129 Henkan */ |
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0x0, /* 130 */ |
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0x7b, /* 131 Muhenkan */ |
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0x0, /* 132 */ |
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0x7d, /* 133 Yen */ |
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0x0, /* 134 */ |
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0x0, /* 135 */ |
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0x47, /* 136 KP_7 */ |
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0x48, /* 137 KP_8 */ |
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0x49, /* 138 KP_9 */ |
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0x4b, /* 139 KP_4 */ |
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0x4c, /* 140 KP_5 */ |
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0x4d, /* 141 KP_6 */ |
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0x4f, /* 142 KP_1 */ |
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0x50, /* 143 KP_2 */ |
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0x51, /* 144 KP_3 */ |
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0x52, /* 145 KP_0 */ |
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0x53, /* 146 KP_. */ |
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0x47, /* 147 KP_HOME */ |
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0x48, /* 148 KP_UP */ |
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0x49, /* 149 KP_PgUp */ |
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0x4b, /* 150 KP_Left */ |
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0x4c, /* 151 KP_ */ |
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0x4d, /* 152 KP_Right */ |
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0x4f, /* 153 KP_End */ |
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0x50, /* 154 KP_Down */ |
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0x51, /* 155 KP_PgDn */ |
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0x52, /* 156 KP_Ins */ |
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0x53, /* 157 KP_Del */ |
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}; |
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static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
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{
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int keycode;
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keycode = ev->keysym.scancode; |
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if (keycode < 9) { |
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keycode = 0;
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} else if (keycode < 97) { |
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keycode -= 8; /* just an offset */ |
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} else if (keycode < 158) { |
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/* use conversion table */
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keycode = x_keycode_to_pc_keycode[keycode - 97];
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} else {
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keycode = 0;
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} |
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return keycode;
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} |
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#endif
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static void sdl_process_key(SDL_KeyboardEvent *ev) |
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{
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int keycode, v, i;
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static uint8_t modifiers_state[256]; |
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if (ev->keysym.sym == SDLK_PAUSE) {
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/* specific case */
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v = 0;
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if (ev->type == SDL_KEYUP)
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v |= 0x80;
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kbd_put_keycode(0xe1);
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kbd_put_keycode(0x1d | v);
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kbd_put_keycode(0x45 | v);
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return;
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} |
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/* XXX: not portable, but avoids complicated mappings */
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keycode = sdl_keyevent_to_keycode(ev); |
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switch(keycode) {
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case 0x00: |
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/* sent when leaving window: reset the modifiers state */
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for(i = 0; i < 256; i++) { |
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if (modifiers_state[i]) {
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if (i & 0x80) |
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kbd_put_keycode(0xe0);
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kbd_put_keycode(i | 0x80);
|
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} |
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} |
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return;
|
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case 0x2a: /* Left Shift */ |
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case 0x36: /* Right Shift */ |
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case 0x1d: /* Left CTRL */ |
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case 0x9d: /* Right CTRL */ |
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case 0x38: /* Left ALT */ |
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case 0xb8: /* Right ALT */ |
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if (ev->type == SDL_KEYUP)
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modifiers_state[keycode] = 0;
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else
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modifiers_state[keycode] = 1;
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break;
|
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case 0x45: /* num lock */ |
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case 0x3a: /* caps lock */ |
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/* SDL does not send the key up event, so we generate it */
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kbd_put_keycode(keycode); |
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kbd_put_keycode(keycode | 0x80);
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return;
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} |
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|
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/* now send the key code */
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if (keycode & 0x80) |
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kbd_put_keycode(0xe0);
|
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if (ev->type == SDL_KEYUP)
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kbd_put_keycode(keycode | 0x80);
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else
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kbd_put_keycode(keycode & 0x7f);
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} |
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|
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static void sdl_update_caption(void) |
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{
|
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char buf[1024]; |
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strcpy(buf, "QEMU");
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if (!vm_running) {
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strcat(buf, " [Stopped]");
|
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} |
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if (gui_grab) {
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strcat(buf, " - Press Ctrl-Shift to exit grab");
|
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} |
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SDL_WM_SetCaption(buf, "QEMU");
|
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} |
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|
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static void sdl_grab_start(void) |
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{
|
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SDL_ShowCursor(0);
|
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SDL_WM_GrabInput(SDL_GRAB_ON); |
| 350 |
/* dummy read to avoid moving the mouse */
|
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SDL_GetRelativeMouseState(NULL, NULL); |
| 352 |
gui_grab = 1;
|
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sdl_update_caption(); |
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} |
| 355 |
|
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static void sdl_grab_end(void) |
| 357 |
{
|
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SDL_WM_GrabInput(SDL_GRAB_OFF); |
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SDL_ShowCursor(1);
|
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gui_grab = 0;
|
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sdl_update_caption(); |
| 362 |
} |
| 363 |
|
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static void sdl_send_mouse_event(void) |
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{
|
| 366 |
int dx, dy, dz, state, buttons;
|
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state = SDL_GetRelativeMouseState(&dx, &dy); |
| 368 |
buttons = 0;
|
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if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
|
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buttons |= MOUSE_EVENT_LBUTTON; |
| 371 |
if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
|
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buttons |= MOUSE_EVENT_RBUTTON; |
| 373 |
if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
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buttons |= MOUSE_EVENT_MBUTTON; |
| 375 |
/* XXX: test wheel */
|
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dz = 0;
|
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#ifdef SDL_BUTTON_WHEELUP
|
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if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
|
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dz--; |
| 380 |
if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
|
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dz++; |
| 382 |
#endif
|
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kbd_mouse_event(dx, dy, dz, buttons); |
| 384 |
} |
| 385 |
|
| 386 |
static void toggle_full_screen(DisplayState *ds) |
| 387 |
{
|
| 388 |
gui_fullscreen = !gui_fullscreen; |
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sdl_resize(ds, screen->w, screen->h); |
| 390 |
if (gui_fullscreen) {
|
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gui_saved_grab = gui_grab; |
| 392 |
sdl_grab_start(); |
| 393 |
} else {
|
| 394 |
if (!gui_saved_grab)
|
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sdl_grab_end(); |
| 396 |
} |
| 397 |
vga_invalidate_display(); |
| 398 |
vga_update_display(); |
| 399 |
} |
| 400 |
|
| 401 |
static void sdl_refresh(DisplayState *ds) |
| 402 |
{
|
| 403 |
SDL_Event ev1, *ev = &ev1; |
| 404 |
int mod_state;
|
| 405 |
|
| 406 |
if (last_vm_running != vm_running) {
|
| 407 |
last_vm_running = vm_running; |
| 408 |
sdl_update_caption(); |
| 409 |
} |
| 410 |
|
| 411 |
vga_update_display(); |
| 412 |
while (SDL_PollEvent(ev)) {
|
| 413 |
switch (ev->type) {
|
| 414 |
case SDL_VIDEOEXPOSE:
|
| 415 |
sdl_update(ds, 0, 0, screen->w, screen->h); |
| 416 |
break;
|
| 417 |
case SDL_KEYDOWN:
|
| 418 |
case SDL_KEYUP:
|
| 419 |
if (ev->type == SDL_KEYDOWN) {
|
| 420 |
mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) == |
| 421 |
(KMOD_LSHIFT | KMOD_LCTRL); |
| 422 |
gui_key_modifier_pressed = mod_state; |
| 423 |
if (gui_key_modifier_pressed &&
|
| 424 |
ev->key.keysym.sym == SDLK_f) {
|
| 425 |
gui_keysym = ev->key.keysym.sym; |
| 426 |
} |
| 427 |
} else if (ev->type == SDL_KEYUP) { |
| 428 |
mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)); |
| 429 |
if (!mod_state) {
|
| 430 |
if (gui_key_modifier_pressed) {
|
| 431 |
switch(gui_keysym) {
|
| 432 |
case SDLK_f:
|
| 433 |
toggle_full_screen(ds); |
| 434 |
break;
|
| 435 |
case 0: |
| 436 |
/* exit/enter grab if pressing Ctrl-Shift */
|
| 437 |
if (!gui_grab)
|
| 438 |
sdl_grab_start(); |
| 439 |
else
|
| 440 |
sdl_grab_end(); |
| 441 |
break;
|
| 442 |
} |
| 443 |
gui_key_modifier_pressed = 0;
|
| 444 |
gui_keysym = 0;
|
| 445 |
} |
| 446 |
} |
| 447 |
} |
| 448 |
sdl_process_key(&ev->key); |
| 449 |
break;
|
| 450 |
case SDL_QUIT:
|
| 451 |
qemu_system_shutdown_request(); |
| 452 |
break;
|
| 453 |
case SDL_MOUSEMOTION:
|
| 454 |
if (gui_grab) {
|
| 455 |
sdl_send_mouse_event(); |
| 456 |
} |
| 457 |
break;
|
| 458 |
case SDL_MOUSEBUTTONDOWN:
|
| 459 |
case SDL_MOUSEBUTTONUP:
|
| 460 |
{
|
| 461 |
SDL_MouseButtonEvent *bev = &ev->button; |
| 462 |
if (!gui_grab) {
|
| 463 |
if (ev->type == SDL_MOUSEBUTTONDOWN &&
|
| 464 |
(bev->state & SDL_BUTTON_LMASK)) {
|
| 465 |
/* start grabbing all events */
|
| 466 |
sdl_grab_start(); |
| 467 |
} |
| 468 |
} else {
|
| 469 |
sdl_send_mouse_event(); |
| 470 |
} |
| 471 |
} |
| 472 |
break;
|
| 473 |
case SDL_ACTIVEEVENT:
|
| 474 |
if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0) { |
| 475 |
sdl_grab_end(); |
| 476 |
} |
| 477 |
break;
|
| 478 |
default:
|
| 479 |
break;
|
| 480 |
} |
| 481 |
} |
| 482 |
} |
| 483 |
|
| 484 |
static void sdl_cleanup(void) |
| 485 |
{
|
| 486 |
SDL_Quit(); |
| 487 |
} |
| 488 |
|
| 489 |
void sdl_display_init(DisplayState *ds)
|
| 490 |
{
|
| 491 |
int flags;
|
| 492 |
|
| 493 |
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
| 494 |
if (SDL_Init (flags)) {
|
| 495 |
fprintf(stderr, "Could not initialize SDL - exiting\n");
|
| 496 |
exit(1);
|
| 497 |
} |
| 498 |
|
| 499 |
#ifndef _WIN32
|
| 500 |
/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
|
| 501 |
signal(SIGINT, SIG_DFL); |
| 502 |
signal(SIGQUIT, SIG_DFL); |
| 503 |
#endif
|
| 504 |
|
| 505 |
ds->dpy_update = sdl_update; |
| 506 |
ds->dpy_resize = sdl_resize; |
| 507 |
ds->dpy_refresh = sdl_refresh; |
| 508 |
|
| 509 |
sdl_resize(ds, 640, 400); |
| 510 |
sdl_update_caption(); |
| 511 |
SDL_EnableKeyRepeat(250, 50); |
| 512 |
gui_grab = 0;
|
| 513 |
|
| 514 |
atexit(sdl_cleanup); |
| 515 |
} |