mirror of https://gitee.com/openkylin/qemu.git
294 lines
8.1 KiB
C
294 lines
8.1 KiB
C
/*
|
|
* QEMU SDL display driver
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#include "vl.h"
|
|
|
|
#include <SDL.h>
|
|
|
|
#ifndef _WIN32
|
|
#include <signal.h>
|
|
#endif
|
|
|
|
static SDL_Surface *screen;
|
|
static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
|
|
static int last_vm_running;
|
|
|
|
static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
|
|
{
|
|
// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
|
|
SDL_UpdateRect(screen, x, y, w, h);
|
|
}
|
|
|
|
static void sdl_resize(DisplayState *ds, int w, int h)
|
|
{
|
|
int flags;
|
|
|
|
// printf("resizing to %d %d\n", w, h);
|
|
|
|
flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
|
|
flags |= SDL_RESIZABLE;
|
|
screen = SDL_SetVideoMode(w, h, 0, flags);
|
|
if (!screen) {
|
|
fprintf(stderr, "Could not open SDL display\n");
|
|
exit(1);
|
|
}
|
|
ds->data = screen->pixels;
|
|
ds->linesize = screen->pitch;
|
|
ds->depth = screen->format->BitsPerPixel;
|
|
}
|
|
|
|
static const uint32_t x_keycode_to_pc_keycode[61] = {
|
|
0x47e0, /* 97 Home */
|
|
0x48e0, /* 98 Up */
|
|
0x49e0, /* 99 PgUp */
|
|
0x4be0, /* 100 Left */
|
|
0x4c, /* 101 KP-5 */
|
|
0x4de0, /* 102 Right */
|
|
0x4fe0, /* 103 End */
|
|
0x50e0, /* 104 Down */
|
|
0x51e0, /* 105 PgDn */
|
|
0x52e0, /* 106 Ins */
|
|
0x53e0, /* 107 Del */
|
|
0x1ce0, /* 108 Enter */
|
|
0x1de0, /* 109 Ctrl-R */
|
|
0x451de1, /* 110 Pause */
|
|
0x37e0, /* 111 Print */
|
|
0x35e0, /* 112 Divide */
|
|
0x38e0, /* 113 Alt-R */
|
|
0x46e0, /* 114 Break */
|
|
0x0, /* 115 */
|
|
0x0, /* 116 */
|
|
0x0, /* 117 */
|
|
0x0, /* 118 */
|
|
0x0, /* 119 */
|
|
0x0, /* 120 */
|
|
0x0, /* 121 */
|
|
0x0, /* 122 */
|
|
0x0, /* 123 */
|
|
0x0, /* 124 */
|
|
0x0, /* 125 */
|
|
0x0, /* 126 */
|
|
0x0, /* 127 */
|
|
0x0, /* 128 */
|
|
0x0, /* 129 */
|
|
0x0, /* 130 */
|
|
0x0, /* 131 */
|
|
0x0, /* 132 */
|
|
0x0, /* 133 */
|
|
0x0, /* 134 */
|
|
0x0, /* 135 */
|
|
0x47, /* 136 KP_7 */
|
|
0x48, /* 137 KP_8 */
|
|
0x49, /* 138 KP_9 */
|
|
0x4b, /* 139 KP_4 */
|
|
0x4c, /* 140 KP_5 */
|
|
0x4d, /* 141 KP_6 */
|
|
0x4f, /* 142 KP_1 */
|
|
0x50, /* 143 KP_2 */
|
|
0x51, /* 144 KP_3 */
|
|
0x52, /* 145 KP_0 */
|
|
0x53, /* 146 KP_. */
|
|
0x47, /* 147 KP_HOME */
|
|
0x48, /* 148 KP_UP */
|
|
0x49, /* 149 KP_PgUp */
|
|
0x4b, /* 150 KP_Left */
|
|
0x4c, /* 151 KP_ */
|
|
0x4d, /* 152 KP_Right */
|
|
0x4f, /* 153 KP_End */
|
|
0x50, /* 154 KP_Down */
|
|
0x51, /* 155 KP_PgDn */
|
|
0x52, /* 156 KP_Ins */
|
|
0x53, /* 157 KP_Del */
|
|
};
|
|
|
|
static void sdl_process_key(SDL_KeyboardEvent *ev)
|
|
{
|
|
int keycode, v;
|
|
|
|
/* XXX: not portable, but avoids complicated mappings */
|
|
keycode = ev->keysym.scancode;
|
|
if (keycode < 9) {
|
|
keycode = 0;
|
|
} else if (keycode < 97) {
|
|
keycode -= 8; /* just an offset */
|
|
} else if (keycode < 158) {
|
|
/* use conversion table */
|
|
keycode = x_keycode_to_pc_keycode[keycode - 97];
|
|
} else {
|
|
keycode = 0;
|
|
}
|
|
|
|
/* now send the key code */
|
|
while (keycode != 0) {
|
|
v = keycode & 0xff;
|
|
if (ev->type == SDL_KEYUP)
|
|
v |= 0x80;
|
|
kbd_put_keycode(v);
|
|
keycode >>= 8;
|
|
}
|
|
}
|
|
|
|
static void sdl_update_caption(void)
|
|
{
|
|
char buf[1024];
|
|
strcpy(buf, "QEMU");
|
|
if (!vm_running) {
|
|
strcat(buf, " [Stopped]");
|
|
}
|
|
if (gui_grab) {
|
|
strcat(buf, " - Press Ctrl-Shift to exit grab");
|
|
}
|
|
SDL_WM_SetCaption(buf, "QEMU");
|
|
}
|
|
|
|
static void sdl_grab_start(void)
|
|
{
|
|
SDL_ShowCursor(0);
|
|
SDL_WM_GrabInput(SDL_GRAB_ON);
|
|
/* dummy read to avoid moving the mouse */
|
|
SDL_GetRelativeMouseState(NULL, NULL);
|
|
gui_grab = 1;
|
|
sdl_update_caption();
|
|
}
|
|
|
|
static void sdl_grab_end(void)
|
|
{
|
|
SDL_WM_GrabInput(SDL_GRAB_OFF);
|
|
SDL_ShowCursor(1);
|
|
gui_grab = 0;
|
|
sdl_update_caption();
|
|
}
|
|
|
|
static void sdl_send_mouse_event(void)
|
|
{
|
|
int dx, dy, dz, state, buttons;
|
|
state = SDL_GetRelativeMouseState(&dx, &dy);
|
|
buttons = 0;
|
|
if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
|
|
buttons |= MOUSE_EVENT_LBUTTON;
|
|
if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
|
|
buttons |= MOUSE_EVENT_RBUTTON;
|
|
if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
|
|
buttons |= MOUSE_EVENT_MBUTTON;
|
|
/* XXX: test wheel */
|
|
dz = 0;
|
|
#ifdef SDL_BUTTON_WHEELUP
|
|
if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
|
|
dz--;
|
|
if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
|
|
dz++;
|
|
#endif
|
|
kbd_mouse_event(dx, dy, dz, buttons);
|
|
}
|
|
|
|
static void sdl_refresh(DisplayState *ds)
|
|
{
|
|
SDL_Event ev1, *ev = &ev1;
|
|
|
|
if (last_vm_running != vm_running) {
|
|
last_vm_running = vm_running;
|
|
sdl_update_caption();
|
|
}
|
|
|
|
vga_update_display();
|
|
while (SDL_PollEvent(ev)) {
|
|
switch (ev->type) {
|
|
case SDL_VIDEOEXPOSE:
|
|
sdl_update(ds, 0, 0, screen->w, screen->h);
|
|
break;
|
|
case SDL_KEYDOWN:
|
|
case SDL_KEYUP:
|
|
if (ev->type == SDL_KEYDOWN) {
|
|
if ((SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) ==
|
|
(KMOD_LSHIFT | KMOD_LCTRL)) {
|
|
/* exit/enter grab if pressing Ctrl-Shift */
|
|
if (!gui_grab)
|
|
sdl_grab_start();
|
|
else
|
|
sdl_grab_end();
|
|
}
|
|
}
|
|
sdl_process_key(&ev->key);
|
|
break;
|
|
case SDL_QUIT:
|
|
reset_requested = 1;
|
|
break;
|
|
case SDL_MOUSEMOTION:
|
|
if (gui_grab) {
|
|
sdl_send_mouse_event();
|
|
}
|
|
break;
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
case SDL_MOUSEBUTTONUP:
|
|
{
|
|
SDL_MouseButtonEvent *bev = &ev->button;
|
|
if (!gui_grab) {
|
|
if (ev->type == SDL_MOUSEBUTTONDOWN &&
|
|
(bev->state & SDL_BUTTON_LMASK)) {
|
|
/* start grabbing all events */
|
|
sdl_grab_start();
|
|
}
|
|
} else {
|
|
sdl_send_mouse_event();
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void sdl_cleanup(void)
|
|
{
|
|
SDL_Quit();
|
|
}
|
|
|
|
void sdl_display_init(DisplayState *ds)
|
|
{
|
|
int flags;
|
|
|
|
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
|
|
if (SDL_Init (flags)) {
|
|
fprintf(stderr, "Could not initialize SDL - exiting\n");
|
|
exit(1);
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
|
|
signal(SIGINT, SIG_DFL);
|
|
signal(SIGQUIT, SIG_DFL);
|
|
#endif
|
|
|
|
ds->dpy_update = sdl_update;
|
|
ds->dpy_resize = sdl_resize;
|
|
ds->dpy_refresh = sdl_refresh;
|
|
|
|
sdl_resize(ds, 640, 400);
|
|
sdl_update_caption();
|
|
SDL_EnableKeyRepeat(250, 50);
|
|
gui_grab = 0;
|
|
|
|
atexit(sdl_cleanup);
|
|
}
|