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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 "qemu-common.h" |
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#include "console.h" |
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#include "sysemu.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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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_noframe; |
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static int gui_key_modifier_pressed; |
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static int gui_keysym; |
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static int gui_fullscreen_initial_grab; |
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static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; |
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static uint8_t modifiers_state[256]; |
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static int width, height; |
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static SDL_Cursor *sdl_cursor_normal;
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static SDL_Cursor *sdl_cursor_hidden;
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static int absolute_enabled = 0; |
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static int guest_cursor = 0; |
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static int guest_x, guest_y; |
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static SDL_Cursor *guest_sprite = 0; |
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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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if (gui_fullscreen)
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flags |= SDL_FULLSCREEN; |
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if (gui_noframe)
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flags |= SDL_NOFRAME; |
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width = w; |
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height = h; |
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again:
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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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if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
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flags &= ~SDL_HWSURFACE; |
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goto again;
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} |
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if (!screen->pixels) {
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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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/* SDL BitsPerPixel never indicates any values other than
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multiples of 8, so we need to check for strange depths. */
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if (ds->depth == 16) { |
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uint32_t mask; |
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mask = screen->format->Rmask; |
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mask |= screen->format->Gmask; |
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mask |= screen->format->Bmask; |
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if ((mask & 0x8000) == 0) |
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ds->depth = 15;
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} |
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if (ds->depth == 32 && screen->format->Rshift == 0) { |
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ds->bgr = 1;
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} else {
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ds->bgr = 0;
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} |
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ds->width = w; |
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ds->height = h; |
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} |
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/* generic keyboard conversion */
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#include "sdl_keysym.h" |
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#include "keymaps.c" |
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static kbd_layout_t *kbd_layout = NULL; |
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static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev) |
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{ |
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int keysym;
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/* workaround for X11+SDL bug with AltGR */
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keysym = ev->keysym.sym; |
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if (keysym == 0 && ev->keysym.scancode == 113) |
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keysym = SDLK_MODE; |
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/* For Japanese key '\' and '|' */
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if (keysym == 92 && ev->keysym.scancode == 133) { |
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keysym = 0xa5;
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} |
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return keysym2scancode(kbd_layout, keysym);
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} |
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/* specific keyboard conversions from scan codes */
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#if 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 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 < 212) { |
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/* use conversion table */
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keycode = _translate_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 reset_keys(void) |
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{ |
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int i;
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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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modifiers_state[i] = 0;
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} |
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} |
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} |
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static void sdl_process_key(SDL_KeyboardEvent *ev) |
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{ |
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int keycode, v;
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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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if (kbd_layout) {
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keycode = sdl_keyevent_to_keycode_generic(ev); |
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} else {
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keycode = sdl_keyevent_to_keycode(ev); |
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} |
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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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reset_keys(); |
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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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/* 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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static void sdl_update_caption(void) |
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{ |
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char buf[1024]; |
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const char *status = ""; |
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if (!vm_running)
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status = " [Stopped]";
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else if (gui_grab) { |
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if (!alt_grab)
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status = " - Press Ctrl-Alt to exit grab";
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else
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status = " - Press Ctrl-Alt-Shift to exit grab";
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} |
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if (qemu_name)
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snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status); |
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else
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snprintf(buf, sizeof(buf), "QEMU%s", status); |
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SDL_WM_SetCaption(buf, "QEMU");
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} |
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static void sdl_hide_cursor(void) |
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{ |
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if (!cursor_hide)
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return;
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if (kbd_mouse_is_absolute()) {
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SDL_ShowCursor(1);
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SDL_SetCursor(sdl_cursor_hidden); |
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} else {
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SDL_ShowCursor(0);
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} |
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} |
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static void sdl_show_cursor(void) |
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{ |
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if (!cursor_hide)
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return;
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if (!kbd_mouse_is_absolute()) {
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SDL_ShowCursor(1);
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if (guest_cursor &&
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(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
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SDL_SetCursor(guest_sprite); |
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else
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SDL_SetCursor(sdl_cursor_normal); |
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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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if (guest_cursor) {
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SDL_SetCursor(guest_sprite); |
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SDL_WarpMouse(guest_x, guest_y); |
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} else
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sdl_hide_cursor(); |
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SDL_WM_GrabInput(SDL_GRAB_ON); |
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gui_grab = 1;
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sdl_update_caption(); |
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} |
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static void sdl_grab_end(void) |
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{ |
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SDL_WM_GrabInput(SDL_GRAB_OFF); |
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gui_grab = 0;
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sdl_show_cursor(); |
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sdl_update_caption(); |
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} |
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static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state) |
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{ |
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int buttons;
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buttons = 0;
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if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
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buttons |= MOUSE_EVENT_LBUTTON; |
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if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
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buttons |= MOUSE_EVENT_RBUTTON; |
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if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
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buttons |= MOUSE_EVENT_MBUTTON; |
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if (kbd_mouse_is_absolute()) {
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if (!absolute_enabled) {
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sdl_hide_cursor(); |
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if (gui_grab) {
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sdl_grab_end(); |
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} |
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absolute_enabled = 1;
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} |
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dx = x * 0x7FFF / (width - 1); |
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dy = y * 0x7FFF / (height - 1); |
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} else if (absolute_enabled) { |
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sdl_show_cursor(); |
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absolute_enabled = 0;
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} else if (guest_cursor) { |
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x -= guest_x; |
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y -= guest_y; |
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guest_x += x; |
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guest_y += y; |
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dx = x; |
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dy = y; |
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} |
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kbd_mouse_event(dx, dy, dz, buttons); |
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} |
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static void toggle_full_screen(DisplayState *ds) |
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{ |
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gui_fullscreen = !gui_fullscreen; |
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sdl_resize(ds, screen->w, screen->h); |
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if (gui_fullscreen) {
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gui_saved_grab = gui_grab; |
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sdl_grab_start(); |
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} else {
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if (!gui_saved_grab)
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sdl_grab_end(); |
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} |
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vga_hw_invalidate(); |
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vga_hw_update(); |
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} |
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static void sdl_refresh(DisplayState *ds) |
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{ |
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SDL_Event ev1, *ev = &ev1; |
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int mod_state;
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int buttonstate = SDL_GetMouseState(NULL, NULL); |
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if (last_vm_running != vm_running) {
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last_vm_running = vm_running; |
362 |
sdl_update_caption(); |
363 |
} |
364 |
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vga_hw_update(); |
366 |
SDL_EnableUNICODE(!is_graphic_console()); |
367 |
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368 |
while (SDL_PollEvent(ev)) {
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switch (ev->type) {
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case SDL_VIDEOEXPOSE:
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371 |
sdl_update(ds, 0, 0, screen->w, screen->h); |
372 |
break;
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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if (ev->type == SDL_KEYDOWN) {
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if (!alt_grab) {
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mod_state = (SDL_GetModState() & gui_grab_code) == |
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gui_grab_code; |
379 |
} else {
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mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == |
381 |
(gui_grab_code | KMOD_LSHIFT); |
382 |
} |
383 |
gui_key_modifier_pressed = mod_state; |
384 |
if (gui_key_modifier_pressed) {
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int keycode;
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386 |
keycode = sdl_keyevent_to_keycode(&ev->key); |
387 |
switch(keycode) {
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case 0x21: /* 'f' key on US keyboard */ |
389 |
toggle_full_screen(ds); |
390 |
gui_keysym = 1;
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break;
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392 |
case 0x02 ... 0x0a: /* '1' to '9' keys */ |
393 |
/* Reset the modifiers sent to the current console */
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394 |
reset_keys(); |
395 |
console_select(keycode - 0x02);
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396 |
if (!is_graphic_console()) {
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397 |
/* display grab if going to a text console */
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398 |
if (gui_grab)
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399 |
sdl_grab_end(); |
400 |
} |
401 |
gui_keysym = 1;
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402 |
break;
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403 |
default:
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404 |
break;
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405 |
} |
406 |
} else if (!is_graphic_console()) { |
407 |
int keysym;
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408 |
keysym = 0;
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409 |
if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
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410 |
switch(ev->key.keysym.sym) {
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411 |
case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break; |
412 |
case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break; |
413 |
case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break; |
414 |
case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break; |
415 |
case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break; |
416 |
case SDLK_END: keysym = QEMU_KEY_CTRL_END; break; |
417 |
case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break; |
418 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break; |
419 |
default: break; |
420 |
} |
421 |
} else {
|
422 |
switch(ev->key.keysym.sym) {
|
423 |
case SDLK_UP: keysym = QEMU_KEY_UP; break; |
424 |
case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break; |
425 |
case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break; |
426 |
case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break; |
427 |
case SDLK_HOME: keysym = QEMU_KEY_HOME; break; |
428 |
case SDLK_END: keysym = QEMU_KEY_END; break; |
429 |
case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break; |
430 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break; |
431 |
case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; |
432 |
case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break; |
433 |
default: break; |
434 |
} |
435 |
} |
436 |
if (keysym) {
|
437 |
kbd_put_keysym(keysym); |
438 |
} else if (ev->key.keysym.unicode != 0) { |
439 |
kbd_put_keysym(ev->key.keysym.unicode); |
440 |
} |
441 |
} |
442 |
} else if (ev->type == SDL_KEYUP) { |
443 |
if (!alt_grab) {
|
444 |
mod_state = (ev->key.keysym.mod & gui_grab_code); |
445 |
} else {
|
446 |
mod_state = (ev->key.keysym.mod & |
447 |
(gui_grab_code | KMOD_LSHIFT)); |
448 |
} |
449 |
if (!mod_state) {
|
450 |
if (gui_key_modifier_pressed) {
|
451 |
gui_key_modifier_pressed = 0;
|
452 |
if (gui_keysym == 0) { |
453 |
/* exit/enter grab if pressing Ctrl-Alt */
|
454 |
if (!gui_grab) {
|
455 |
/* if the application is not active,
|
456 |
do not try to enter grab state. It
|
457 |
prevents
|
458 |
'SDL_WM_GrabInput(SDL_GRAB_ON)'
|
459 |
from blocking all the application
|
460 |
(SDL bug). */
|
461 |
if (SDL_GetAppState() & SDL_APPACTIVE)
|
462 |
sdl_grab_start(); |
463 |
} else {
|
464 |
sdl_grab_end(); |
465 |
} |
466 |
/* SDL does not send back all the
|
467 |
modifiers key, so we must correct it */
|
468 |
reset_keys(); |
469 |
break;
|
470 |
} |
471 |
gui_keysym = 0;
|
472 |
} |
473 |
} |
474 |
} |
475 |
if (is_graphic_console() && !gui_keysym)
|
476 |
sdl_process_key(&ev->key); |
477 |
break;
|
478 |
case SDL_QUIT:
|
479 |
if (!no_quit)
|
480 |
qemu_system_shutdown_request(); |
481 |
break;
|
482 |
case SDL_MOUSEMOTION:
|
483 |
if (gui_grab || kbd_mouse_is_absolute() ||
|
484 |
absolute_enabled) { |
485 |
sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
|
486 |
ev->motion.x, ev->motion.y, ev->motion.state); |
487 |
} |
488 |
break;
|
489 |
case SDL_MOUSEBUTTONDOWN:
|
490 |
case SDL_MOUSEBUTTONUP:
|
491 |
{ |
492 |
SDL_MouseButtonEvent *bev = &ev->button; |
493 |
if (!gui_grab && !kbd_mouse_is_absolute()) {
|
494 |
if (ev->type == SDL_MOUSEBUTTONDOWN &&
|
495 |
(bev->button == SDL_BUTTON_LEFT)) { |
496 |
/* start grabbing all events */
|
497 |
sdl_grab_start(); |
498 |
} |
499 |
} else {
|
500 |
int dz;
|
501 |
dz = 0;
|
502 |
if (ev->type == SDL_MOUSEBUTTONDOWN) {
|
503 |
buttonstate |= SDL_BUTTON(bev->button); |
504 |
} else {
|
505 |
buttonstate &= ~SDL_BUTTON(bev->button); |
506 |
} |
507 |
#ifdef SDL_BUTTON_WHEELUP
|
508 |
if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
|
509 |
dz = -1;
|
510 |
} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) { |
511 |
dz = 1;
|
512 |
} |
513 |
#endif
|
514 |
sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate); |
515 |
} |
516 |
} |
517 |
break;
|
518 |
case SDL_ACTIVEEVENT:
|
519 |
if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
|
520 |
!ev->active.gain && !gui_fullscreen_initial_grab) { |
521 |
sdl_grab_end(); |
522 |
} |
523 |
if (ev->active.state & SDL_APPACTIVE) {
|
524 |
if (ev->active.gain) {
|
525 |
/* Back to default interval */
|
526 |
ds->gui_timer_interval = 0;
|
527 |
ds->idle = 0;
|
528 |
} else {
|
529 |
/* Sleeping interval */
|
530 |
ds->gui_timer_interval = 500;
|
531 |
ds->idle = 1;
|
532 |
} |
533 |
} |
534 |
break;
|
535 |
default:
|
536 |
break;
|
537 |
} |
538 |
} |
539 |
} |
540 |
|
541 |
static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c) |
542 |
{ |
543 |
SDL_Rect dst = { x, y, w, h }; |
544 |
SDL_FillRect(screen, &dst, c); |
545 |
} |
546 |
|
547 |
static void sdl_mouse_warp(int x, int y, int on) |
548 |
{ |
549 |
if (on) {
|
550 |
if (!guest_cursor)
|
551 |
sdl_show_cursor(); |
552 |
if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
|
553 |
SDL_SetCursor(guest_sprite); |
554 |
SDL_WarpMouse(x, y); |
555 |
} |
556 |
} else if (gui_grab) |
557 |
sdl_hide_cursor(); |
558 |
guest_cursor = on; |
559 |
guest_x = x, guest_y = y; |
560 |
} |
561 |
|
562 |
static void sdl_mouse_define(int width, int height, int bpp, |
563 |
int hot_x, int hot_y, |
564 |
uint8_t *image, uint8_t *mask) |
565 |
{ |
566 |
uint8_t sprite[256], *line;
|
567 |
int x, y, dst, bypl, src = 0; |
568 |
if (guest_sprite)
|
569 |
SDL_FreeCursor(guest_sprite); |
570 |
|
571 |
memset(sprite, 0, 256); |
572 |
bypl = ((width * bpp + 31) >> 5) << 2; |
573 |
for (y = 0, dst = 0; y < height; y ++, image += bypl) { |
574 |
line = image; |
575 |
for (x = 0; x < width; x ++, dst ++) { |
576 |
switch (bpp) {
|
577 |
case 24: |
578 |
src = *(line ++); src |= *(line ++); src |= *(line ++); |
579 |
break;
|
580 |
case 16: |
581 |
case 15: |
582 |
src = *(line ++); src |= *(line ++); |
583 |
break;
|
584 |
case 8: |
585 |
src = *(line ++); |
586 |
break;
|
587 |
case 4: |
588 |
src = 0xf & (line[x >> 1] >> ((x & 1)) << 2); |
589 |
break;
|
590 |
case 2: |
591 |
src = 3 & (line[x >> 2] >> ((x & 3)) << 1); |
592 |
break;
|
593 |
case 1: |
594 |
src = 1 & (line[x >> 3] >> (x & 7)); |
595 |
break;
|
596 |
} |
597 |
if (!src)
|
598 |
sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3]; |
599 |
} |
600 |
} |
601 |
guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y); |
602 |
|
603 |
if (guest_cursor &&
|
604 |
(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
605 |
SDL_SetCursor(guest_sprite); |
606 |
} |
607 |
|
608 |
static void sdl_cleanup(void) |
609 |
{ |
610 |
if (guest_sprite)
|
611 |
SDL_FreeCursor(guest_sprite); |
612 |
SDL_Quit(); |
613 |
} |
614 |
|
615 |
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) |
616 |
{ |
617 |
int flags;
|
618 |
uint8_t data = 0;
|
619 |
|
620 |
#if defined(__APPLE__)
|
621 |
/* always use generic keymaps */
|
622 |
if (!keyboard_layout)
|
623 |
keyboard_layout = "en-us";
|
624 |
#endif
|
625 |
if(keyboard_layout) {
|
626 |
kbd_layout = init_keyboard_layout(keyboard_layout); |
627 |
if (!kbd_layout)
|
628 |
exit(1);
|
629 |
} |
630 |
|
631 |
if (no_frame)
|
632 |
gui_noframe = 1;
|
633 |
|
634 |
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
635 |
if (SDL_Init (flags)) {
|
636 |
fprintf(stderr, "Could not initialize SDL - exiting\n");
|
637 |
exit(1);
|
638 |
} |
639 |
|
640 |
ds->dpy_update = sdl_update; |
641 |
ds->dpy_resize = sdl_resize; |
642 |
ds->dpy_refresh = sdl_refresh; |
643 |
ds->dpy_fill = sdl_fill; |
644 |
ds->mouse_set = sdl_mouse_warp; |
645 |
ds->cursor_define = sdl_mouse_define; |
646 |
|
647 |
sdl_resize(ds, 640, 400); |
648 |
sdl_update_caption(); |
649 |
SDL_EnableKeyRepeat(250, 50); |
650 |
gui_grab = 0;
|
651 |
|
652 |
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); |
653 |
sdl_cursor_normal = SDL_GetCursor(); |
654 |
|
655 |
atexit(sdl_cleanup); |
656 |
if (full_screen) {
|
657 |
gui_fullscreen = 1;
|
658 |
gui_fullscreen_initial_grab = 1;
|
659 |
sdl_grab_start(); |
660 |
} |
661 |
} |