803 lines
23 KiB
C
803 lines
23 KiB
C
/*
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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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/* Ported SDL 1.2 code to 2.0 by Dave Airlie. */
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#include "qemu-common.h"
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#include "ui/console.h"
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#include "ui/input.h"
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#include "ui/sdl2.h"
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#include "sysemu/sysemu.h"
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static int sdl2_num_outputs;
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static struct sdl2_console *sdl2_console;
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static SDL_Surface *guest_sprite_surface;
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static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
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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_grab_code = KMOD_LALT | KMOD_LCTRL;
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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;
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static int guest_cursor;
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static int guest_x, guest_y;
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static SDL_Cursor *guest_sprite;
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static Notifier mouse_mode_notifier;
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static void sdl_update_caption(struct sdl2_console *scon);
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static struct sdl2_console *get_scon_from_window(uint32_t window_id)
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{
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int i;
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for (i = 0; i < sdl2_num_outputs; i++) {
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if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) {
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return &sdl2_console[i];
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}
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}
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return NULL;
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}
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void sdl2_window_create(struct sdl2_console *scon)
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{
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int flags = 0;
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if (!scon->surface) {
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return;
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}
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assert(!scon->real_window);
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if (gui_fullscreen) {
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flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
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} else {
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flags |= SDL_WINDOW_RESIZABLE;
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}
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if (scon->hidden) {
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flags |= SDL_WINDOW_HIDDEN;
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}
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scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,
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SDL_WINDOWPOS_UNDEFINED,
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surface_width(scon->surface),
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surface_height(scon->surface),
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flags);
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scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0);
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if (scon->opengl) {
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scon->winctx = SDL_GL_GetCurrentContext();
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}
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sdl_update_caption(scon);
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}
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void sdl2_window_destroy(struct sdl2_console *scon)
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{
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if (!scon->real_window) {
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return;
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}
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SDL_DestroyRenderer(scon->real_renderer);
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scon->real_renderer = NULL;
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SDL_DestroyWindow(scon->real_window);
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scon->real_window = NULL;
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}
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void sdl2_window_resize(struct sdl2_console *scon)
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{
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if (!scon->real_window) {
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return;
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}
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SDL_SetWindowSize(scon->real_window,
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surface_width(scon->surface),
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surface_height(scon->surface));
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}
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static void sdl2_redraw(struct sdl2_console *scon)
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{
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if (scon->opengl) {
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#ifdef CONFIG_OPENGL
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sdl2_gl_redraw(scon);
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#endif
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} else {
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sdl2_2d_redraw(scon);
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}
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}
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static void sdl_update_caption(struct sdl2_console *scon)
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{
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char win_title[1024];
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char icon_title[1024];
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const char *status = "";
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if (!runstate_is_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-Shift to exit grab";
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} else if (ctrl_grab) {
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status = " - Press Right-Ctrl to exit grab";
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} else {
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status = " - Press Ctrl-Alt to exit grab";
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}
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}
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if (qemu_name) {
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snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name,
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scon->idx, status);
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snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
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} else {
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snprintf(win_title, sizeof(win_title), "QEMU%s", status);
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snprintf(icon_title, sizeof(icon_title), "QEMU");
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}
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if (scon->real_window) {
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SDL_SetWindowTitle(scon->real_window, win_title);
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}
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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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}
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if (qemu_input_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_SetRelativeMouseMode(SDL_TRUE);
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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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}
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if (!qemu_input_is_absolute()) {
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SDL_SetRelativeMouseMode(SDL_FALSE);
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SDL_ShowCursor(1);
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if (guest_cursor &&
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(gui_grab || qemu_input_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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}
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static void sdl_grab_start(struct sdl2_console *scon)
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{
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QemuConsole *con = scon ? scon->dcl.con : NULL;
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if (!con || !qemu_console_is_graphic(con)) {
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return;
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}
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/*
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* If the application is not active, do not try to enter grab state. This
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* prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
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* application (SDL bug).
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*/
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if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) {
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return;
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}
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if (guest_cursor) {
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SDL_SetCursor(guest_sprite);
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if (!qemu_input_is_absolute() && !absolute_enabled) {
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SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y);
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}
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} else {
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sdl_hide_cursor();
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}
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SDL_SetWindowGrab(scon->real_window, SDL_TRUE);
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gui_grab = 1;
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sdl_update_caption(scon);
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}
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static void sdl_grab_end(struct sdl2_console *scon)
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{
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SDL_SetWindowGrab(scon->real_window, SDL_FALSE);
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gui_grab = 0;
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sdl_show_cursor();
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sdl_update_caption(scon);
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}
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static void absolute_mouse_grab(struct sdl2_console *scon)
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{
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int mouse_x, mouse_y;
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int scr_w, scr_h;
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SDL_GetMouseState(&mouse_x, &mouse_y);
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SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
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if (mouse_x > 0 && mouse_x < scr_w - 1 &&
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mouse_y > 0 && mouse_y < scr_h - 1) {
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sdl_grab_start(scon);
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}
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}
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static void sdl_mouse_mode_change(Notifier *notify, void *data)
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{
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if (qemu_input_is_absolute()) {
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if (!absolute_enabled) {
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absolute_enabled = 1;
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absolute_mouse_grab(&sdl2_console[0]);
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}
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} else if (absolute_enabled) {
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if (!gui_fullscreen) {
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sdl_grab_end(&sdl2_console[0]);
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}
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absolute_enabled = 0;
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}
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}
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static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy,
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int x, int y, int state)
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{
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static uint32_t bmap[INPUT_BUTTON_MAX] = {
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[INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT),
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[INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE),
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[INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT),
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};
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static uint32_t prev_state;
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if (prev_state != state) {
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qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state);
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prev_state = state;
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}
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if (qemu_input_is_absolute()) {
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int scr_w, scr_h;
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int max_w = 0, max_h = 0;
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int off_x = 0, off_y = 0;
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int cur_off_x = 0, cur_off_y = 0;
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int i;
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for (i = 0; i < sdl2_num_outputs; i++) {
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struct sdl2_console *thiscon = &sdl2_console[i];
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if (thiscon->real_window && thiscon->surface) {
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SDL_GetWindowSize(thiscon->real_window, &scr_w, &scr_h);
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cur_off_x = thiscon->x;
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cur_off_y = thiscon->y;
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if (scr_w + cur_off_x > max_w) {
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max_w = scr_w + cur_off_x;
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}
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if (scr_h + cur_off_y > max_h) {
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max_h = scr_h + cur_off_y;
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}
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if (i == scon->idx) {
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off_x = cur_off_x;
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off_y = cur_off_y;
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}
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}
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}
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qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, off_x + x, max_w);
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qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, off_y + y, max_h);
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} else {
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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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qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx);
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qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy);
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}
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qemu_input_event_sync();
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}
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static void toggle_full_screen(struct sdl2_console *scon)
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{
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gui_fullscreen = !gui_fullscreen;
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if (gui_fullscreen) {
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SDL_SetWindowFullscreen(scon->real_window,
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SDL_WINDOW_FULLSCREEN_DESKTOP);
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gui_saved_grab = gui_grab;
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sdl_grab_start(scon);
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} else {
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if (!gui_saved_grab) {
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sdl_grab_end(scon);
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}
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SDL_SetWindowFullscreen(scon->real_window, 0);
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}
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sdl2_redraw(scon);
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}
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static void handle_keydown(SDL_Event *ev)
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{
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int mod_state, win;
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struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
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if (alt_grab) {
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mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
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(gui_grab_code | KMOD_LSHIFT);
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} else if (ctrl_grab) {
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mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
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} else {
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mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code;
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}
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gui_key_modifier_pressed = mod_state;
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if (gui_key_modifier_pressed) {
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switch (ev->key.keysym.scancode) {
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case SDL_SCANCODE_2:
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case SDL_SCANCODE_3:
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case SDL_SCANCODE_4:
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case SDL_SCANCODE_5:
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case SDL_SCANCODE_6:
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case SDL_SCANCODE_7:
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case SDL_SCANCODE_8:
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case SDL_SCANCODE_9:
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win = ev->key.keysym.scancode - SDL_SCANCODE_1;
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if (win < sdl2_num_outputs) {
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sdl2_console[win].hidden = !sdl2_console[win].hidden;
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if (sdl2_console[win].real_window) {
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if (sdl2_console[win].hidden) {
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SDL_HideWindow(sdl2_console[win].real_window);
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} else {
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SDL_ShowWindow(sdl2_console[win].real_window);
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}
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}
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gui_keysym = 1;
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}
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break;
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case SDL_SCANCODE_F:
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toggle_full_screen(scon);
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gui_keysym = 1;
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break;
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case SDL_SCANCODE_U:
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sdl2_window_destroy(scon);
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sdl2_window_create(scon);
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if (!scon->opengl) {
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/* re-create scon->texture */
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sdl2_2d_switch(&scon->dcl, scon->surface);
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}
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gui_keysym = 1;
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break;
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#if 0
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case SDL_SCANCODE_KP_PLUS:
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case SDL_SCANCODE_KP_MINUS:
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if (!gui_fullscreen) {
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int scr_w, scr_h;
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int width, height;
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SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
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width = MAX(scr_w + (ev->key.keysym.scancode ==
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SDL_SCANCODE_KP_PLUS ? 50 : -50),
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160);
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height = (surface_height(scon->surface) * width) /
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surface_width(scon->surface);
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fprintf(stderr, "%s: scale to %dx%d\n",
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__func__, width, height);
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sdl_scale(scon, width, height);
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sdl2_redraw(scon);
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gui_keysym = 1;
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}
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#endif
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default:
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break;
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}
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}
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if (!gui_keysym) {
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sdl2_process_key(scon, &ev->key);
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}
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}
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static void handle_keyup(SDL_Event *ev)
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{
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int mod_state;
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struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
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if (!alt_grab) {
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mod_state = (ev->key.keysym.mod & gui_grab_code);
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} else {
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mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT));
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}
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if (!mod_state && gui_key_modifier_pressed) {
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gui_key_modifier_pressed = 0;
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if (gui_keysym == 0) {
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/* exit/enter grab if pressing Ctrl-Alt */
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if (!gui_grab) {
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sdl_grab_start(scon);
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} else if (!gui_fullscreen) {
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sdl_grab_end(scon);
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}
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/* SDL does not send back all the modifiers key, so we must
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* correct it. */
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sdl2_reset_keys(scon);
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return;
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}
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gui_keysym = 0;
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}
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if (!gui_keysym) {
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sdl2_process_key(scon, &ev->key);
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}
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}
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static void handle_textinput(SDL_Event *ev)
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{
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struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
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QemuConsole *con = scon ? scon->dcl.con : NULL;
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if (qemu_console_is_graphic(con)) {
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return;
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}
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kbd_put_string_console(con, ev->text.text, strlen(ev->text.text));
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}
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static void handle_mousemotion(SDL_Event *ev)
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{
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int max_x, max_y;
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struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
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if (qemu_input_is_absolute() || absolute_enabled) {
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int scr_w, scr_h;
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SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
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max_x = scr_w - 1;
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max_y = scr_h - 1;
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if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 ||
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ev->motion.x == max_x || ev->motion.y == max_y)) {
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sdl_grab_end(scon);
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}
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if (!gui_grab &&
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(ev->motion.x > 0 && ev->motion.x < max_x &&
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ev->motion.y > 0 && ev->motion.y < max_y)) {
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sdl_grab_start(scon);
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}
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}
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if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
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sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel,
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ev->motion.x, ev->motion.y, ev->motion.state);
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}
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}
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static void handle_mousebutton(SDL_Event *ev)
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{
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int buttonstate = SDL_GetMouseState(NULL, NULL);
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SDL_MouseButtonEvent *bev;
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struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
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bev = &ev->button;
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if (!gui_grab && !qemu_input_is_absolute()) {
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if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
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/* start grabbing all events */
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sdl_grab_start(scon);
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}
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} else {
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if (ev->type == SDL_MOUSEBUTTONDOWN) {
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buttonstate |= SDL_BUTTON(bev->button);
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} else {
|
|
buttonstate &= ~SDL_BUTTON(bev->button);
|
|
}
|
|
sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate);
|
|
}
|
|
}
|
|
|
|
static void handle_mousewheel(SDL_Event *ev)
|
|
{
|
|
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
|
|
SDL_MouseWheelEvent *wev = &ev->wheel;
|
|
InputButton btn;
|
|
|
|
if (wev->y > 0) {
|
|
btn = INPUT_BUTTON_WHEEL_UP;
|
|
} else if (wev->y < 0) {
|
|
btn = INPUT_BUTTON_WHEEL_DOWN;
|
|
} else {
|
|
return;
|
|
}
|
|
|
|
qemu_input_queue_btn(scon->dcl.con, btn, true);
|
|
qemu_input_event_sync();
|
|
qemu_input_queue_btn(scon->dcl.con, btn, false);
|
|
qemu_input_event_sync();
|
|
}
|
|
|
|
static void handle_windowevent(SDL_Event *ev)
|
|
{
|
|
struct sdl2_console *scon = get_scon_from_window(ev->window.windowID);
|
|
|
|
switch (ev->window.event) {
|
|
case SDL_WINDOWEVENT_RESIZED:
|
|
{
|
|
QemuUIInfo info;
|
|
memset(&info, 0, sizeof(info));
|
|
info.width = ev->window.data1;
|
|
info.height = ev->window.data2;
|
|
dpy_set_ui_info(scon->dcl.con, &info);
|
|
}
|
|
sdl2_redraw(scon);
|
|
break;
|
|
case SDL_WINDOWEVENT_EXPOSED:
|
|
sdl2_redraw(scon);
|
|
break;
|
|
case SDL_WINDOWEVENT_FOCUS_GAINED:
|
|
case SDL_WINDOWEVENT_ENTER:
|
|
if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) {
|
|
absolute_mouse_grab(scon);
|
|
}
|
|
break;
|
|
case SDL_WINDOWEVENT_FOCUS_LOST:
|
|
if (gui_grab && !gui_fullscreen) {
|
|
sdl_grab_end(scon);
|
|
}
|
|
break;
|
|
case SDL_WINDOWEVENT_RESTORED:
|
|
update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT);
|
|
break;
|
|
case SDL_WINDOWEVENT_MINIMIZED:
|
|
update_displaychangelistener(&scon->dcl, 500);
|
|
break;
|
|
case SDL_WINDOWEVENT_CLOSE:
|
|
if (!no_quit) {
|
|
no_shutdown = 0;
|
|
qemu_system_shutdown_request();
|
|
}
|
|
break;
|
|
case SDL_WINDOWEVENT_SHOWN:
|
|
if (scon->hidden) {
|
|
SDL_HideWindow(scon->real_window);
|
|
}
|
|
break;
|
|
case SDL_WINDOWEVENT_HIDDEN:
|
|
if (!scon->hidden) {
|
|
SDL_ShowWindow(scon->real_window);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void sdl2_poll_events(struct sdl2_console *scon)
|
|
{
|
|
SDL_Event ev1, *ev = &ev1;
|
|
|
|
if (scon->last_vm_running != runstate_is_running()) {
|
|
scon->last_vm_running = runstate_is_running();
|
|
sdl_update_caption(scon);
|
|
}
|
|
|
|
while (SDL_PollEvent(ev)) {
|
|
switch (ev->type) {
|
|
case SDL_KEYDOWN:
|
|
handle_keydown(ev);
|
|
break;
|
|
case SDL_KEYUP:
|
|
handle_keyup(ev);
|
|
break;
|
|
case SDL_TEXTINPUT:
|
|
handle_textinput(ev);
|
|
break;
|
|
case SDL_QUIT:
|
|
if (!no_quit) {
|
|
no_shutdown = 0;
|
|
qemu_system_shutdown_request();
|
|
}
|
|
break;
|
|
case SDL_MOUSEMOTION:
|
|
handle_mousemotion(ev);
|
|
break;
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
case SDL_MOUSEBUTTONUP:
|
|
handle_mousebutton(ev);
|
|
break;
|
|
case SDL_MOUSEWHEEL:
|
|
handle_mousewheel(ev);
|
|
break;
|
|
case SDL_WINDOWEVENT:
|
|
handle_windowevent(ev);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void sdl_mouse_warp(DisplayChangeListener *dcl,
|
|
int x, int y, int on)
|
|
{
|
|
struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
|
|
if (on) {
|
|
if (!guest_cursor) {
|
|
sdl_show_cursor();
|
|
}
|
|
if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
|
|
SDL_SetCursor(guest_sprite);
|
|
if (!qemu_input_is_absolute() && !absolute_enabled) {
|
|
SDL_WarpMouseInWindow(scon->real_window, x, y);
|
|
}
|
|
}
|
|
} else if (gui_grab) {
|
|
sdl_hide_cursor();
|
|
}
|
|
guest_cursor = on;
|
|
guest_x = x, guest_y = y;
|
|
}
|
|
|
|
static void sdl_mouse_define(DisplayChangeListener *dcl,
|
|
QEMUCursor *c)
|
|
{
|
|
|
|
if (guest_sprite) {
|
|
SDL_FreeCursor(guest_sprite);
|
|
}
|
|
|
|
if (guest_sprite_surface) {
|
|
SDL_FreeSurface(guest_sprite_surface);
|
|
}
|
|
|
|
guest_sprite_surface =
|
|
SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4,
|
|
0xff0000, 0x00ff00, 0xff, 0xff000000);
|
|
|
|
if (!guest_sprite_surface) {
|
|
fprintf(stderr, "Failed to make rgb surface from %p\n", c);
|
|
return;
|
|
}
|
|
guest_sprite = SDL_CreateColorCursor(guest_sprite_surface,
|
|
c->hot_x, c->hot_y);
|
|
if (!guest_sprite) {
|
|
fprintf(stderr, "Failed to make color cursor from %p\n", c);
|
|
return;
|
|
}
|
|
if (guest_cursor &&
|
|
(gui_grab || qemu_input_is_absolute() || absolute_enabled)) {
|
|
SDL_SetCursor(guest_sprite);
|
|
}
|
|
}
|
|
|
|
static void sdl_cleanup(void)
|
|
{
|
|
if (guest_sprite) {
|
|
SDL_FreeCursor(guest_sprite);
|
|
}
|
|
SDL_QuitSubSystem(SDL_INIT_VIDEO);
|
|
}
|
|
|
|
static const DisplayChangeListenerOps dcl_2d_ops = {
|
|
.dpy_name = "sdl2-2d",
|
|
.dpy_gfx_update = sdl2_2d_update,
|
|
.dpy_gfx_switch = sdl2_2d_switch,
|
|
.dpy_gfx_check_format = sdl2_2d_check_format,
|
|
.dpy_refresh = sdl2_2d_refresh,
|
|
.dpy_mouse_set = sdl_mouse_warp,
|
|
.dpy_cursor_define = sdl_mouse_define,
|
|
};
|
|
|
|
#ifdef CONFIG_OPENGL
|
|
static const DisplayChangeListenerOps dcl_gl_ops = {
|
|
.dpy_name = "sdl2-gl",
|
|
.dpy_gfx_update = sdl2_gl_update,
|
|
.dpy_gfx_switch = sdl2_gl_switch,
|
|
.dpy_gfx_check_format = console_gl_check_format,
|
|
.dpy_refresh = sdl2_gl_refresh,
|
|
.dpy_mouse_set = sdl_mouse_warp,
|
|
.dpy_cursor_define = sdl_mouse_define,
|
|
};
|
|
#endif
|
|
|
|
void sdl_display_early_init(int opengl)
|
|
{
|
|
switch (opengl) {
|
|
case -1: /* default */
|
|
case 0: /* off */
|
|
break;
|
|
case 1: /* on */
|
|
#ifdef CONFIG_OPENGL
|
|
display_opengl = 1;
|
|
#endif
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
|
|
{
|
|
int flags;
|
|
uint8_t data = 0;
|
|
char *filename;
|
|
int i;
|
|
|
|
if (no_frame) {
|
|
gui_noframe = 1;
|
|
}
|
|
|
|
#ifdef __linux__
|
|
/* on Linux, SDL may use fbcon|directfb|svgalib when run without
|
|
* accessible $DISPLAY to open X11 window. This is often the case
|
|
* when qemu is run using sudo. But in this case, and when actually
|
|
* run in X11 environment, SDL fights with X11 for the video card,
|
|
* making current display unavailable, often until reboot.
|
|
* So make x11 the default SDL video driver if this variable is unset.
|
|
* This is a bit hackish but saves us from bigger problem.
|
|
* Maybe it's a good idea to fix this in SDL instead.
|
|
*/
|
|
setenv("SDL_VIDEODRIVER", "x11", 0);
|
|
#endif
|
|
|
|
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
|
|
if (SDL_Init(flags)) {
|
|
fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
|
|
SDL_GetError());
|
|
exit(1);
|
|
}
|
|
SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1");
|
|
|
|
for (i = 0;; i++) {
|
|
QemuConsole *con = qemu_console_lookup_by_index(i);
|
|
if (!con) {
|
|
break;
|
|
}
|
|
}
|
|
sdl2_num_outputs = i;
|
|
sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs);
|
|
for (i = 0; i < sdl2_num_outputs; i++) {
|
|
QemuConsole *con = qemu_console_lookup_by_index(i);
|
|
if (!qemu_console_is_graphic(con)) {
|
|
sdl2_console[i].hidden = true;
|
|
}
|
|
sdl2_console[i].idx = i;
|
|
#ifdef CONFIG_OPENGL
|
|
sdl2_console[i].opengl = display_opengl;
|
|
sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops;
|
|
#else
|
|
sdl2_console[i].opengl = 0;
|
|
sdl2_console[i].dcl.ops = &dcl_2d_ops;
|
|
#endif
|
|
sdl2_console[i].dcl.con = con;
|
|
register_displaychangelistener(&sdl2_console[i].dcl);
|
|
}
|
|
|
|
/* Load a 32x32x4 image. White pixels are transparent. */
|
|
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
|
|
if (filename) {
|
|
SDL_Surface *image = SDL_LoadBMP(filename);
|
|
if (image) {
|
|
uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
|
|
SDL_SetColorKey(image, SDL_TRUE, colorkey);
|
|
SDL_SetWindowIcon(sdl2_console[0].real_window, image);
|
|
}
|
|
g_free(filename);
|
|
}
|
|
|
|
if (full_screen) {
|
|
gui_fullscreen = 1;
|
|
sdl_grab_start(0);
|
|
}
|
|
|
|
mouse_mode_notifier.notify = sdl_mouse_mode_change;
|
|
qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
|
|
|
|
gui_grab = 0;
|
|
|
|
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
|
|
sdl_cursor_normal = SDL_GetCursor();
|
|
|
|
atexit(sdl_cleanup);
|
|
}
|