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Bochs/bochs/gui/sdl2.cc
Volker Ruppert a1f7fe26ed SDL/SDL2 fullscreen mouse fixes 
- SDL/SDL2: fixed mouse movement in absolute x/y mode
- SDL2: always capture mouse in fullscreen mode (like legacy SDL gui)
- SDL: don't handle headerbar click in fullscreen mode
- SDL/SDL2 code sync
2014-07-05 08:00:01 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2014 The Bochs Project
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#define _MULTI_THREAD
// Define BX_PLUGGABLE in files that can be compiled into plugins. For
// platforms that require a special tag on exported symbols, BX_PLUGGABLE
// is used to know when we are exporting symbols and when we are importing.
#define BX_PLUGGABLE
#include "bochs.h"
#include "param_names.h"
#include "keymap.h"
#include "iodev.h"
#if BX_WITH_SDL2
#include <stdlib.h>
#include <SDL.h>
#include <SDL_endian.h>
#include "icon_bochs.h"
#include "sdl.h"
#ifdef WIN32
#include "win32dialog.h"
#endif
class bx_sdl2_gui_c : public bx_gui_c {
public:
bx_sdl2_gui_c() {}
DECLARE_GUI_VIRTUAL_METHODS()
DECLARE_GUI_NEW_VIRTUAL_METHODS()
virtual void set_display_mode(disp_mode_t newmode);
virtual void statusbar_setitem_specific(int element, bx_bool active, bx_bool w);
virtual void get_capabilities(Bit16u *xres, Bit16u *yres, Bit16u *bpp);
virtual void set_mouse_mode_absxy(bx_bool mode);
#if BX_SHOW_IPS
virtual void show_ips(Bit32u ips_count);
#endif
};
// declare one instance of the gui object and call macro to insert the
// plugin code
static bx_sdl2_gui_c *theGui = NULL;
IMPLEMENT_GUI_PLUGIN_CODE(sdl2)
#define LOG_THIS theGui->
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
const Uint32 status_led_green = 0x00ff0000;
const Uint32 status_gray_text = 0x80808000;
const Uint32 status_led_red = 0x0040ff00;
#else
const Uint32 status_led_green = 0x0000ff00;
const Uint32 status_gray_text = 0x00808080;
const Uint32 status_led_red = 0x00ff4000;
#endif
static unsigned prev_cursor_x=0;
static unsigned prev_cursor_y=0;
static Bit32u convertStringToSDLKey(const char *string);
#define MAX_SDL_BITMAPS 32
struct bitmaps {
SDL_Surface *surface;
SDL_Rect src,dst;
void (*cb)(void);
};
static struct {
unsigned bmp_id;
unsigned alignment;
void (*f)(void);
} hb_entry[BX_MAX_HEADERBAR_ENTRIES];
unsigned bx_headerbar_entries = 0;
static SDL_Window *window;
SDL_Surface *sdl_screen, *sdl_fullscreen;
SDL_DisplayMode sdl_maxres;
int sdl_fullscreen_toggle;
int sdl_grab;
unsigned res_x, res_y;
unsigned half_res_x, half_res_y;
int headerbar_height;
static unsigned bx_bitmap_left_xorigin = 0; // pixels from left
static unsigned bx_bitmap_right_xorigin = 0; // pixels from right
static unsigned int text_rows = 25, text_cols = 80;
Bit8u h_panning = 0, v_panning = 0;
Bit16u line_compare = 1023;
int fontwidth = 8, fontheight = 16;
static unsigned disp_bpp=8;
unsigned char menufont[256][8];
Uint32 sdl_palette[256];
Uint32 headerbar_fg, headerbar_bg;
Bit8u old_mousebuttons=0, new_mousebuttons=0;
int old_mousex=0, new_mousex=0;
int old_mousey=0, new_mousey=0;
bx_bool just_warped = 0;
bx_bool sdl_mouse_mode_absxy = 0;
bx_bool sdl_nokeyrepeat = 0;
bitmaps *sdl_bitmaps[MAX_SDL_BITMAPS];
int n_sdl_bitmaps = 0;
int statusbar_height = 18;
static unsigned statusitem_pos[12] = {
0, 170, 210, 250, 290, 330, 370, 410, 450, 490, 530, 570
};
static bx_bool statusitem_active[12];
#if BX_SHOW_IPS
SDL_TimerID timer_id;
static bx_bool sdl_hide_ips = 0;
static bx_bool sdl_ips_update = 0;
static char sdl_ips_text[20];
#endif
#ifndef WIN32
BxEvent *sdl2_notify_callback(void *unused, BxEvent *event);
static bxevent_handler old_callback = NULL;
static void *old_callback_arg = NULL;
#endif
static void headerbar_click(int x)
{
int xdim,xorigin;
for (unsigned i=0; i<bx_headerbar_entries; i++) {
xdim = sdl_bitmaps[hb_entry[i].bmp_id]->src.w;
if (hb_entry[i].alignment == BX_GRAVITY_LEFT)
xorigin = sdl_bitmaps[hb_entry[i].bmp_id]->dst.x;
else
xorigin = res_x - sdl_bitmaps[hb_entry[i].bmp_id]->dst.x;
if ((x>=xorigin) && (x<(xorigin+xdim))) {
hb_entry[i].f();
return;
}
}
}
static void sdl_set_status_text(int element, const char *text, bx_bool active, bx_bool w = 0)
{
Uint32 *buf, *buf_row;
Uint32 disp, fgcolor, bgcolor;
unsigned char *pfont_row, font_row;
int rowsleft = statusbar_height - 2;
int colsleft, textlen;
int x, xleft, xsize;
statusitem_active[element] = active;
if (!sdl_screen) return;
disp = sdl_screen->pitch/4;
xleft = statusitem_pos[element] + 2;
xsize = statusitem_pos[element+1] - xleft - 1;
buf = (Uint32 *)sdl_screen->pixels + (res_y + headerbar_height + 1) * disp + xleft;
rowsleft = statusbar_height - 2;
fgcolor = active?headerbar_fg:status_gray_text;
if (element > 0) {
bgcolor = active?(w?status_led_red:status_led_green):headerbar_bg;
} else {
bgcolor = headerbar_bg;
}
do {
colsleft = xsize;
buf_row = buf;
do
{
*buf++ = bgcolor;
} while(--colsleft);
buf = buf_row + disp;
} while(--rowsleft);
if ((element > 0) && (strlen(text) > 4)) {
textlen = 4;
} else {
textlen = strlen(text);
}
buf = (Uint32 *)sdl_screen->pixels + (res_y + headerbar_height + 5) * disp + xleft;
x = 0;
do
{
pfont_row = &menufont[(unsigned)text[x]][0];
buf_row = buf;
rowsleft = 8;
do
{
font_row = *pfont_row++;
colsleft = 8;
do
{
if((font_row & 0x80) != 0x00)
*buf++ = fgcolor;
else
buf++;
font_row <<= 1;
} while(--colsleft);
buf += (disp - 8);
} while(--rowsleft);
buf = buf_row + 8;
x++;
} while (--textlen);
SDL_UpdateWindowSurface(window);
}
static Bit32u sdl_sym_to_bx_key(SDL_Keycode sym)
{
switch (sym) {
case SDLK_UNKNOWN: return BX_KEY_UNHANDLED;
case SDLK_BACKSPACE: return BX_KEY_BACKSPACE;
case SDLK_TAB: return BX_KEY_TAB;
case SDLK_RETURN: return BX_KEY_ENTER;
case SDLK_PAUSE: return BX_KEY_PAUSE;
case SDLK_ESCAPE: return BX_KEY_ESC;
case SDLK_SPACE: return BX_KEY_SPACE;
case SDLK_QUOTE: return BX_KEY_SINGLE_QUOTE;
case SDLK_COMMA: return BX_KEY_COMMA;
case SDLK_MINUS: return BX_KEY_MINUS;
case SDLK_PERIOD: return BX_KEY_PERIOD;
case SDLK_SLASH: return BX_KEY_SLASH;
case SDLK_0: return BX_KEY_0;
case SDLK_1: return BX_KEY_1;
case SDLK_2: return BX_KEY_2;
case SDLK_3: return BX_KEY_3;
case SDLK_4: return BX_KEY_4;
case SDLK_5: return BX_KEY_5;
case SDLK_6: return BX_KEY_6;
case SDLK_7: return BX_KEY_7;
case SDLK_8: return BX_KEY_8;
case SDLK_9: return BX_KEY_9;
case SDLK_SEMICOLON: return BX_KEY_SEMICOLON;
case SDLK_EQUALS: return BX_KEY_EQUALS;
/*
Skip uppercase letters
*/
case SDLK_LEFTBRACKET: return BX_KEY_LEFT_BRACKET;
case SDLK_BACKSLASH: return BX_KEY_BACKSLASH;
case SDLK_RIGHTBRACKET: return BX_KEY_RIGHT_BRACKET;
case SDLK_BACKQUOTE: return BX_KEY_GRAVE;
case SDLK_a: return BX_KEY_A;
case SDLK_b: return BX_KEY_B;
case SDLK_c: return BX_KEY_C;
case SDLK_d: return BX_KEY_D;
case SDLK_e: return BX_KEY_E;
case SDLK_f: return BX_KEY_F;
case SDLK_g: return BX_KEY_G;
case SDLK_h: return BX_KEY_H;
case SDLK_i: return BX_KEY_I;
case SDLK_j: return BX_KEY_J;
case SDLK_k: return BX_KEY_K;
case SDLK_l: return BX_KEY_L;
case SDLK_m: return BX_KEY_M;
case SDLK_n: return BX_KEY_N;
case SDLK_o: return BX_KEY_O;
case SDLK_p: return BX_KEY_P;
case SDLK_q: return BX_KEY_Q;
case SDLK_r: return BX_KEY_R;
case SDLK_s: return BX_KEY_S;
case SDLK_t: return BX_KEY_T;
case SDLK_u: return BX_KEY_U;
case SDLK_v: return BX_KEY_V;
case SDLK_w: return BX_KEY_W;
case SDLK_x: return BX_KEY_X;
case SDLK_y: return BX_KEY_Y;
case SDLK_z: return BX_KEY_Z;
case SDLK_DELETE: return BX_KEY_DELETE;
/* End of ASCII mapped keysyms */
/* Numeric keypad */
case SDLK_KP_0: return BX_KEY_KP_INSERT;
case SDLK_KP_1: return BX_KEY_KP_END;
case SDLK_KP_2: return BX_KEY_KP_DOWN;
case SDLK_KP_3: return BX_KEY_KP_PAGE_DOWN;
case SDLK_KP_4: return BX_KEY_KP_LEFT;
case SDLK_KP_5: return BX_KEY_KP_5;
case SDLK_KP_6: return BX_KEY_KP_RIGHT;
case SDLK_KP_7: return BX_KEY_KP_HOME;
case SDLK_KP_8: return BX_KEY_KP_UP;
case SDLK_KP_9: return BX_KEY_KP_PAGE_UP;
case SDLK_KP_PERIOD: return BX_KEY_KP_DELETE;
case SDLK_KP_DIVIDE: return BX_KEY_KP_DIVIDE;
case SDLK_KP_MULTIPLY: return BX_KEY_KP_MULTIPLY;
case SDLK_KP_MINUS: return BX_KEY_KP_SUBTRACT;
case SDLK_KP_PLUS: return BX_KEY_KP_ADD;
case SDLK_KP_ENTER: return BX_KEY_KP_ENTER;
/* Arrows + Home/End pad */
case SDLK_UP: return BX_KEY_UP;
case SDLK_DOWN: return BX_KEY_DOWN;
case SDLK_RIGHT: return BX_KEY_RIGHT;
case SDLK_LEFT: return BX_KEY_LEFT;
case SDLK_INSERT: return BX_KEY_INSERT;
case SDLK_HOME: return BX_KEY_HOME;
case SDLK_END: return BX_KEY_END;
case SDLK_PAGEUP: return BX_KEY_PAGE_UP;
case SDLK_PAGEDOWN: return BX_KEY_PAGE_DOWN;
/* Function keys */
case SDLK_F1: return BX_KEY_F1;
case SDLK_F2: return BX_KEY_F2;
case SDLK_F3: return BX_KEY_F3;
case SDLK_F4: return BX_KEY_F4;
case SDLK_F5: return BX_KEY_F5;
case SDLK_F6: return BX_KEY_F6;
case SDLK_F7: return BX_KEY_F7;
case SDLK_F8: return BX_KEY_F8;
case SDLK_F9: return BX_KEY_F9;
case SDLK_F10: return BX_KEY_F10;
case SDLK_F11: return BX_KEY_F11;
case SDLK_F12: return BX_KEY_F12;
/* Key state modifier keys */
case SDLK_NUMLOCKCLEAR: return BX_KEY_NUM_LOCK;
case SDLK_CAPSLOCK: return BX_KEY_CAPS_LOCK;
case SDLK_SCROLLLOCK: return BX_KEY_SCRL_LOCK;
case SDLK_RSHIFT: return BX_KEY_SHIFT_R;
case SDLK_LSHIFT: return BX_KEY_SHIFT_L;
case SDLK_RCTRL: return BX_KEY_CTRL_R;
case SDLK_LCTRL: return BX_KEY_CTRL_L;
case SDLK_RALT: return BX_KEY_ALT_R;
case SDLK_LALT: return BX_KEY_ALT_L;
case SDLK_RGUI: return BX_KEY_WIN_R;
case SDLK_LGUI: return BX_KEY_WIN_L;
/* Miscellaneous function keys */
case SDLK_PRINTSCREEN: return BX_KEY_PRINT;
case SDLK_MENU: return BX_KEY_MENU;
default:
BX_ERROR(("sdl keysym %d not mapped", (int)sym));
return BX_KEY_UNHANDLED;
}
}
void switch_to_windowed(void)
{
SDL_SetWindowFullscreen(window, 0);
SDL_SetWindowSize(window, res_x, res_y + headerbar_height + statusbar_height);
sdl_screen = SDL_GetWindowSurface(window);
sdl_fullscreen = NULL;
bx_gui->show_headerbar();
DEV_vga_redraw_area(0, 0, res_x, res_y);
if (sdl_grab) {
bx_gui->toggle_mouse_enable();
}
}
void switch_to_fullscreen(void)
{
if (!sdl_grab) {
bx_gui->toggle_mouse_enable();
}
SDL_SetWindowSize(window, res_x, res_y);
SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
sdl_fullscreen = SDL_GetWindowSurface(window);
sdl_screen = NULL;
DEV_vga_redraw_area(0, 0, res_x, res_y);
}
#if BX_SHOW_IPS
#if defined(__MINGW32__) || defined(_MSC_VER)
Uint32 sdlTimer(Uint32 interval, void *param)
{
bx_show_ips_handler();
return interval;
}
#endif
#endif
#if defined(WIN32) && BX_DEBUGGER && BX_DEBUGGER_GUI
DWORD WINAPI DebugGuiThread(LPVOID)
{
MSG msg;
bx_gui->init_debug_dialog();
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
#endif
void bx_sdl2_gui_c::specific_init(int argc, char **argv, unsigned headerbar_y)
{
int i, j;
Uint32 flags;
unsigned icon_id;
#ifdef WIN32
bx_bool gui_ci;
gui_ci = !strcmp(SIM->get_param_enum(BXPN_SEL_CONFIG_INTERFACE)->get_selected(), "win32config");
#endif
put("SDL2");
headerbar_height = headerbar_y;
for(i=0;i<256;i++)
for(j=0;j<16;j++)
vga_charmap[i*32+j] = sdl_font8x16[i][j];
for(i=0;i<256;i++)
for(j=0;j<8;j++)
menufont[i][j] = sdl_font8x8[i][j];
flags = SDL_INIT_VIDEO;
#if BX_SHOW_IPS
#if defined(__MINGW32__) || defined(_MSC_VER)
flags |= SDL_INIT_TIMER;
#endif
#endif
if (SDL_Init(flags) < 0) {
LOG_THIS setonoff(LOGLEV_PANIC, ACT_FATAL);
BX_PANIC(("Unable to initialize SDL2 libraries"));
return;
}
atexit(SDL_Quit);
SDL_GetDisplayMode(0, 0, &sdl_maxres);
BX_INFO(("maximum host resolution: x=%d y=%d", sdl_maxres.w, sdl_maxres.h));
window = SDL_CreateWindow(
BOCHS_WINDOW_NAME,
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
640,
480,
SDL_WINDOW_SHOWN
);
if (window == NULL) {
LOG_THIS setonoff(LOGLEV_PANIC, ACT_FATAL);
BX_PANIC(("Unable to create SDL2 window"));
return;
}
sdl_screen = NULL;
sdl_fullscreen_toggle = 0;
dimension_update(640, 480);
SDL_WarpMouseInWindow(window, half_res_x, half_res_y);
icon_id = create_bitmap(bochs_icon_bits, bochs_icon_width, bochs_icon_height);
SDL_SetWindowIcon(window, sdl_bitmaps[icon_id]->surface);
#ifndef WIN32
// redirect notify callback to SDL2 specific code
SIM->get_notify_callback(&old_callback, &old_callback_arg);
assert(old_callback != NULL);
SIM->set_notify_callback(sdl2_notify_callback, NULL);
#endif
// load keymap for sdl
if (SIM->get_param_bool(BXPN_KBD_USEMAPPING)->get()) {
bx_keymap.loadKeymap(convertStringToSDLKey);
}
// parse sdl specific options
if (argc > 1) {
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "fullscreen")) {
sdl_fullscreen_toggle = 1;
switch_to_fullscreen();
} else if (!strcmp(argv[i], "nokeyrepeat")) {
BX_INFO(("disabled host keyboard repeat"));
sdl_nokeyrepeat = 1;
#if BX_DEBUGGER && BX_DEBUGGER_GUI
} else if (!strcmp(argv[i], "gui_debug")) {
SIM->set_debug_gui(1);
#ifdef WIN32
if (gui_ci) {
// on Windows the debugger gui must run in a separate thread
DWORD threadID;
CreateThread(NULL, 0, DebugGuiThread, NULL, 0, &threadID);
} else {
BX_PANIC(("Config interface 'win32config' is required for gui debugger"));
}
#else
init_debug_dialog();
#endif
#endif
#if BX_SHOW_IPS
} else if (!strcmp(argv[i], "hideIPS")) {
BX_INFO(("hide IPS display in status bar"));
sdl_hide_ips = 1;
#endif
} else {
BX_PANIC(("Unknown sdl option '%s'", argv[i]));
}
}
}
new_gfx_api = 1;
#ifdef WIN32
if (gui_ci) {
dialog_caps = BX_GUI_DLG_ALL;
}
#if BX_SHOW_IPS
timer_id = SDL_AddTimer(1000, sdlTimer, NULL);
#endif
#endif
}
void bx_sdl2_gui_c::text_update(Bit8u *old_text, Bit8u *new_text,
unsigned long cursor_x,
unsigned long cursor_y,
bx_vga_tminfo_t *tm_info)
{
Bit8u *pfont_row, *old_line, *new_line, *text_base;
unsigned int cs_y, i, x, y;
unsigned int curs, hchars, offset;
Bit8u fontline, fontpixels, fontrows;
int rows;
Uint32 fgcolor, bgcolor;
Uint32 *buf, *buf_row, *buf_char;
Uint32 disp;
Bit16u font_row, mask;
Bit8u cfstart, cfwidth, cfheight, split_fontrows, split_textrow;
bx_bool cursor_visible, gfxcharw9, invert, forceUpdate, split_screen;
bx_bool blink_mode, blink_state;
Uint32 text_palette[16];
forceUpdate = 0;
blink_mode = (tm_info->blink_flags & BX_TEXT_BLINK_MODE) > 0;
blink_state = (tm_info->blink_flags & BX_TEXT_BLINK_STATE) > 0;
if (blink_mode) {
if (tm_info->blink_flags & BX_TEXT_BLINK_TOGGLE)
forceUpdate = 1;
}
if (charmap_updated) {
forceUpdate = 1;
charmap_updated = 0;
}
for (i=0; i<16; i++) {
text_palette[i] = sdl_palette[tm_info->actl_palette[i]];
}
if ((tm_info->h_panning != h_panning) || (tm_info->v_panning != v_panning)) {
forceUpdate = 1;
h_panning = tm_info->h_panning;
v_panning = tm_info->v_panning;
}
if (tm_info->line_compare != line_compare) {
forceUpdate = 1;
line_compare = tm_info->line_compare;
}
if (sdl_screen) {
disp = sdl_screen->pitch/4;
buf_row = (Uint32 *)sdl_screen->pixels + headerbar_height * disp;
} else {
disp = sdl_fullscreen->pitch/4;
buf_row = (Uint32 *)sdl_fullscreen->pixels;
}
// first invalidate character at previous and new cursor location
if ((prev_cursor_y < text_rows) && (prev_cursor_x < text_cols)) {
curs = prev_cursor_y * tm_info->line_offset + prev_cursor_x * 2;
old_text[curs] = ~new_text[curs];
}
cursor_visible = ((tm_info->cs_start <= tm_info->cs_end) && (tm_info->cs_start < fontheight));
if((cursor_visible) && (cursor_y < text_rows) && (cursor_x < text_cols)) {
curs = cursor_y * tm_info->line_offset + cursor_x * 2;
old_text[curs] = ~new_text[curs];
} else {
curs = 0xffff;
}
rows = text_rows;
if (v_panning) rows++;
y = 0;
cs_y = 0;
text_base = new_text - tm_info->start_address;
if (line_compare < res_y) {
split_textrow = (line_compare + v_panning) / fontheight;
split_fontrows = ((line_compare + v_panning) % fontheight) + 1;
} else {
split_textrow = rows + 1;
split_fontrows = 0;
}
split_screen = 0;
do {
buf = buf_row;
hchars = text_cols;
if (h_panning) hchars++;
cfheight = fontheight;
cfstart = 0;
if (split_screen) {
if (rows == 1) {
cfheight = (res_y - line_compare - 1) % fontheight;
if (cfheight == 0) cfheight = fontheight;
}
} else if (v_panning) {
if (y == 0) {
cfheight -= v_panning;
cfstart = v_panning;
} else if (rows == 1) {
cfheight = v_panning;
}
}
if (!split_screen && (y == split_textrow)) {
if ((split_fontrows - cfstart) < cfheight) {
cfheight = split_fontrows - cfstart;
}
}
new_line = new_text;
old_line = old_text;
x = 0;
offset = cs_y * tm_info->line_offset;
do {
cfwidth = fontwidth;
if (h_panning) {
if (hchars > text_cols) {
cfwidth -= h_panning;
} else if (hchars == 1) {
cfwidth = h_panning;
}
}
// check if char needs to be updated
if(forceUpdate || (old_text[0] != new_text[0])
|| (old_text[1] != new_text[1])) {
// Get Foreground/Background pixel colors
fgcolor = text_palette[new_text[1] & 0x0F];
if (blink_mode) {
bgcolor = text_palette[(new_text[1] >> 4) & 0x07];
if (!blink_state && (new_text[1] & 0x80))
fgcolor = bgcolor;
} else {
bgcolor = text_palette[(new_text[1] >> 4) & 0x0F];
}
invert = ((offset == curs) && (cursor_visible));
gfxcharw9 = ((tm_info->line_graphics) && ((new_text[0] & 0xE0) == 0xC0));
// Display this one char
fontrows = cfheight;
fontline = cfstart;
if (y > 0) {
pfont_row = &vga_charmap[(new_text[0] << 5)];
} else {
pfont_row = &vga_charmap[(new_text[0] << 5) + cfstart];
}
buf_char = buf;
do {
font_row = *pfont_row++;
if (gfxcharw9) {
font_row = (font_row << 1) | (font_row & 0x01);
} else {
font_row <<= 1;
}
if (hchars > text_cols) {
font_row <<= h_panning;
}
fontpixels = cfwidth;
if ((invert) && (fontline >= tm_info->cs_start) && (fontline <= tm_info->cs_end))
mask = 0x100;
else
mask = 0x00;
do {
if ((font_row & 0x100) == mask)
*buf = bgcolor;
else
*buf = fgcolor;
buf++;
font_row <<= 1;
} while (--fontpixels);
buf -= cfwidth;
buf += disp;
fontline++;
} while (--fontrows);
// restore output buffer ptr to start of this char
buf = buf_char;
}
// move to next char location on screen
buf += cfwidth;
// select next char in old/new text
new_text+=2;
old_text+=2;
offset+=2;
x++;
// process one entire horizontal row
} while (--hchars);
// go to next character row location
buf_row += disp * cfheight;
if (!split_screen && (y == split_textrow)) {
new_text = text_base;
forceUpdate = 1;
cs_y = 0;
if (tm_info->split_hpanning) h_panning = 0;
rows = ((res_y - line_compare + fontheight - 2) / fontheight) + 1;
split_screen = 1;
} else {
new_text = new_line + tm_info->line_offset;
old_text = old_line + tm_info->line_offset;
cs_y++;
y++;
}
} while (--rows);
h_panning = tm_info->h_panning;
prev_cursor_x = cursor_x;
prev_cursor_y = cursor_y;
}
void bx_sdl2_gui_c::graphics_tile_update(Bit8u *snapshot, unsigned x, unsigned y)
{
Uint32 *buf, disp;
Uint32 *buf_row;
int i, j;
if (sdl_screen) {
disp = sdl_screen->pitch/4;
buf = (Uint32 *)sdl_screen->pixels + (headerbar_height + y) * disp + x;
} else {
disp = sdl_fullscreen->pitch/4;
buf = (Uint32 *)sdl_fullscreen->pixels + y * disp + x;
}
i = y_tilesize;
if(i + y > res_y) i = res_y - y;
// FIXME
if (i<=0) return;
switch (disp_bpp) {
case 8: /* 8 bpp */
do {
buf_row = buf;
j = x_tilesize;
do {
*buf++ = sdl_palette[*snapshot++];
} while(--j);
buf = buf_row + disp;
} while(--i);
break;
default:
BX_PANIC(("%u bpp modes handled by new graphics API", disp_bpp));
return;
}
}
void bx_sdl2_gui_c::handle_events(void)
{
SDL_Event sdl_event;
Bit32u key_event;
Bit8u mouse_state;
int dx, dy, wheel_status;
bx_bool mouse_toggle = 0;
while (SDL_PollEvent(&sdl_event)) {
switch (sdl_event.type) {
case SDL_WINDOWEVENT:
if (sdl_event.window.event == SDL_WINDOWEVENT_EXPOSED) {
SDL_UpdateWindowSurface(window);
}
break;
case SDL_MOUSEMOTION:
if (!sdl_grab) {
break;
}
if (just_warped
&& sdl_event.motion.x == (int)half_res_x
&& sdl_event.motion.y == (int)half_res_y) {
// This event was generated as a side effect of the WarpMouse,
// and it must be ignored.
just_warped = 0;
break;
}
new_mousebuttons = ((sdl_event.motion.state & 0x01)|((sdl_event.motion.state>>1)&0x02)
|((sdl_event.motion.state<<1)&0x04));
if (sdl_mouse_mode_absxy) {
dx = sdl_event.motion.x * 0x7fff / res_x;
if (sdl_fullscreen_toggle) {
dy = sdl_event.motion.y * 0x7fff / res_y;
DEV_mouse_motion(dx, dy, 0, new_mousebuttons, 1);
} else if ((sdl_event.motion.y >= headerbar_height) && (sdl_event.motion.y < ((int)res_y + headerbar_height))) {
dy = (sdl_event.motion.y - headerbar_height) * 0x7fff / res_y;
DEV_mouse_motion(dx, dy, 0, new_mousebuttons, 1);
}
} else {
DEV_mouse_motion(sdl_event.motion.xrel, -sdl_event.motion.yrel, 0,
new_mousebuttons, 0);
}
old_mousebuttons = new_mousebuttons;
old_mousex = (int)(sdl_event.motion.x);
old_mousey = (int)(sdl_event.motion.y);
if (!sdl_mouse_mode_absxy) {
SDL_WarpMouseInWindow(window, half_res_x, half_res_y);
just_warped = 1;
}
break;
case SDL_MOUSEBUTTONDOWN:
// mouse capture toggle-check
if ((sdl_event.button.button == SDL_BUTTON_MIDDLE)
&& (sdl_fullscreen_toggle == 0)) {
if (mouse_toggle_check(BX_MT_MBUTTON, 1)) {
if (sdl_grab == 0) {
SDL_ShowCursor(0);
SDL_SetWindowGrab(window, SDL_TRUE);
} else {
SDL_ShowCursor(1);
SDL_SetWindowGrab(window, SDL_FALSE);
}
sdl_grab = ~sdl_grab;
toggle_mouse_enable();
}
break;
} else if (!sdl_fullscreen_toggle && (sdl_event.button.y < headerbar_height)) {
headerbar_click(sdl_event.button.x);
break;
}
case SDL_MOUSEBUTTONUP:
if ((sdl_event.button.button == SDL_BUTTON_MIDDLE)
&& (sdl_fullscreen_toggle == 0)) {
mouse_toggle_check(BX_MT_MBUTTON, 0);
}
// figure out mouse state
new_mousex = (int)(sdl_event.button.x);
new_mousey = (int)(sdl_event.button.y);
// SDL_GetMouseState() returns the state of all buttons
mouse_state = SDL_GetMouseState(NULL, NULL);
new_mousebuttons =
(mouse_state & 0x01) |
((mouse_state>>1)&0x02) |
((mouse_state<<1)&0x04);
// send motion information
if (sdl_mouse_mode_absxy) {
dx = new_mousex * 0x7fff / res_x;
if (sdl_fullscreen_toggle) {
dy = new_mousey * 0x7fff / res_y;
DEV_mouse_motion(dx, dy, 0, new_mousebuttons, 1);
} else if ((new_mousey >= headerbar_height) && (new_mousey < (int)(res_y + headerbar_height))) {
dy = (new_mousey - headerbar_height) * 0x7fff / res_y;
DEV_mouse_motion(dx, dy, 0, new_mousebuttons, 1);
}
} else {
DEV_mouse_motion(new_mousex - old_mousex, -(new_mousey - old_mousey),
0, new_mousebuttons, 0);
}
// mark current state to diff with next packet
old_mousebuttons = new_mousebuttons;
old_mousex = new_mousex;
old_mousey = new_mousey;
break;
case SDL_MOUSEWHEEL:
if (sdl_grab) {
wheel_status = sdl_event.wheel.y;
if (sdl_mouse_mode_absxy) {
DEV_mouse_motion(old_mousex, old_mousey, wheel_status, old_mousebuttons, 1);
} else {
DEV_mouse_motion(0, 0, wheel_status, old_mousebuttons, 0);
}
}
break;
case SDL_KEYDOWN:
// mouse capture toggle-check
if (sdl_fullscreen_toggle == 0) {
if ((sdl_event.key.keysym.sym == SDLK_LCTRL) ||
(sdl_event.key.keysym.sym == SDLK_RCTRL)) {
mouse_toggle = mouse_toggle_check(BX_MT_KEY_CTRL, 1);
} else if (sdl_event.key.keysym.sym == SDLK_LALT) {
mouse_toggle = mouse_toggle_check(BX_MT_KEY_ALT, 1);
} else if (sdl_event.key.keysym.sym == SDLK_F10) {
mouse_toggle = mouse_toggle_check(BX_MT_KEY_F10, 1);
} else if (sdl_event.key.keysym.sym == SDLK_F12) {
mouse_toggle = mouse_toggle_check(BX_MT_KEY_F12, 1);
}
if (mouse_toggle) {
toggle_mouse_enable();
}
}
// Window/Fullscreen toggle-check
if (sdl_event.key.keysym.sym == SDLK_SCROLLLOCK) {
sdl_fullscreen_toggle = ~sdl_fullscreen_toggle;
if (sdl_fullscreen_toggle == 0) {
switch_to_windowed();
} else {
switch_to_fullscreen();
}
break;
}
if (sdl_nokeyrepeat && sdl_event.key.repeat) {
break;
}
// convert sym->bochs code
if (!SIM->get_param_bool(BXPN_KBD_USEMAPPING)->get()) {
key_event = sdl_sym_to_bx_key(sdl_event.key.keysym.sym);
BX_DEBUG(("keypress scancode=%d, sym=%d, bx_key = %d", sdl_event.key.keysym.scancode, sdl_event.key.keysym.sym, key_event));
} else {
/* use mapping */
BXKeyEntry *entry = bx_keymap.findHostKey(sdl_event.key.keysym.sym);
if (!entry) {
BX_ERROR(("host key %d (0x%x) not mapped!",
(unsigned) sdl_event.key.keysym.sym,
(unsigned) sdl_event.key.keysym.sym));
break;
}
key_event = entry->baseKey;
}
if (key_event == BX_KEY_UNHANDLED) break;
DEV_kbd_gen_scancode(key_event);
break;
case SDL_KEYUP:
// mouse capture toggle-check
if ((sdl_event.key.keysym.sym == SDLK_LCTRL) ||
(sdl_event.key.keysym.sym == SDLK_RCTRL)) {
mouse_toggle_check(BX_MT_KEY_CTRL, 0);
} else if (sdl_event.key.keysym.sym == SDLK_LALT) {
mouse_toggle_check(BX_MT_KEY_ALT, 0);
} else if (sdl_event.key.keysym.sym == SDLK_F10) {
mouse_toggle_check(BX_MT_KEY_F10, 0);
} else if (sdl_event.key.keysym.sym == SDLK_F12) {
mouse_toggle_check(BX_MT_KEY_F12, 0);
}
// filter out release of Windows/Fullscreen toggle
if (sdl_event.key.keysym.sym != SDLK_SCROLLLOCK) {
// convert sym->bochs code
if (!SIM->get_param_bool(BXPN_KBD_USEMAPPING)->get()) {
key_event = sdl_sym_to_bx_key(sdl_event.key.keysym.sym);
} else {
/* use mapping */
BXKeyEntry *entry = bx_keymap.findHostKey(sdl_event.key.keysym.sym);
if (!entry) {
BX_ERROR(("host key %d (0x%x) not mapped!",
(unsigned) sdl_event.key.keysym.sym,
(unsigned) sdl_event.key.keysym.sym));
break;
}
key_event = entry->baseKey;
}
if (key_event == BX_KEY_UNHANDLED) break;
DEV_kbd_gen_scancode(key_event | BX_KEY_RELEASED);
}
break;
case SDL_QUIT:
LOG_THIS setonoff(LOGLEV_PANIC, ACT_FATAL);
BX_PANIC(("User requested shutdown."));
break;
}
}
#if BX_SHOW_IPS
if (sdl_ips_update) {
sdl_ips_update = 0;
sdl_set_status_text(0, sdl_ips_text, 1);
}
#endif
}
void bx_sdl2_gui_c::flush(void)
{
SDL_UpdateWindowSurface(window);
}
void bx_sdl2_gui_c::clear_screen(void)
{
int i = res_y, j;
Uint32 color;
Uint32 *buf, *buf_row;
Uint32 disp;
if (sdl_screen) {
color = SDL_MapRGB(sdl_screen->format, 0, 0, 0);
disp = sdl_screen->pitch/4;
buf = (Uint32 *)sdl_screen->pixels + headerbar_height * disp;
} else if (sdl_fullscreen) {
color = SDL_MapRGB(sdl_fullscreen->format, 0, 0, 0);
disp = sdl_fullscreen->pitch/4;
buf = (Uint32 *)sdl_fullscreen->pixels;
}
else return;
do {
buf_row = buf;
j = res_x;
while (j--) *buf++ = color;
buf = buf_row + disp;
} while (--i);
SDL_UpdateWindowSurface(window);
}
bx_bool bx_sdl2_gui_c::palette_change(Bit8u index, Bit8u red, Bit8u green, Bit8u blue)
{
if (sdl_screen)
sdl_palette[index] = SDL_MapRGB(sdl_screen->format, red, green, blue);
else if (sdl_fullscreen)
sdl_palette[index] = SDL_MapRGB(sdl_fullscreen->format, red, green, blue);
return 1;
}
void bx_sdl2_gui_c::dimension_update(unsigned x, unsigned y,
unsigned fheight, unsigned fwidth, unsigned bpp)
{
if (bpp == 8 || bpp == 15 || bpp == 16 || bpp == 24 || bpp == 32) {
disp_bpp = guest_bpp = bpp;
} else {
BX_PANIC(("%d bpp graphics mode not supported", bpp));
}
guest_textmode = (fheight > 0);
guest_xres = x;
guest_yres = y;
if (guest_textmode) {
fontheight = fheight;
fontwidth = fwidth;
text_cols = x / fontwidth;
text_rows = y / fontheight;
}
if ((x == res_x) && (y == res_y)) return;
if (((int)x > sdl_maxres.w) || ((int)y > sdl_maxres.h)) {
BX_PANIC(("dimension_update(): resolution of out of display bounds"));
return;
}
if (sdl_fullscreen_toggle == 0) {
SDL_SetWindowSize(window, x, y + headerbar_height + statusbar_height);
sdl_screen = SDL_GetWindowSurface(window);
headerbar_fg = SDL_MapRGB(
sdl_screen->format,
BX_HEADERBAR_FG_RED,
BX_HEADERBAR_FG_GREEN,
BX_HEADERBAR_FG_BLUE);
headerbar_bg = SDL_MapRGB(
sdl_screen->format,
BX_HEADERBAR_BG_RED,
BX_HEADERBAR_BG_GREEN,
BX_HEADERBAR_BG_BLUE);
} else {
SDL_SetWindowSize(window, x, y);
sdl_fullscreen = SDL_GetWindowSurface(window);
}
res_x = x;
res_y = y;
half_res_x = x/2;
half_res_y = y/2;
bx_gui->show_headerbar();
host_xres = x;
host_yres = y;
host_bpp = 32;
}
unsigned bx_sdl2_gui_c::create_bitmap(const unsigned char *bmap, unsigned xdim, unsigned ydim)
{
Uint32 *buf, *buf_row;
Uint32 disp;
unsigned char pixels;
if (n_sdl_bitmaps >= MAX_SDL_BITMAPS) {
BX_PANIC(("too many SDL bitmaps. To fix, increase MAX_SDL_BITMAPS"));
return 0;
}
bitmaps *tmp = new bitmaps;
tmp->surface = SDL_CreateRGBSurface(
SDL_SWSURFACE,
xdim,
ydim,
32,
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
0xff000000,
0x00ff0000,
0x0000ff00,
0x00000000
#else
0x000000ff,
0x0000ff00,
0x00ff0000,
0x00000000
#endif
);
if (!tmp->surface) {
delete tmp;
bx_gui->exit();
LOG_THIS setonoff(LOGLEV_PANIC, ACT_FATAL);
BX_PANIC(("Unable to create requested bitmap"));
}
tmp->src.w = xdim;
tmp->src.h = ydim;
tmp->src.x = 0;
tmp->src.y = 0;
tmp->dst.x = -1;
tmp->dst.y = 0;
tmp->dst.w = xdim;
tmp->dst.h = ydim;
tmp->cb = NULL;
buf = (Uint32 *)tmp->surface->pixels;
disp = tmp->surface->pitch/4;
do {
buf_row = buf;
xdim = tmp->src.w / 8;
do {
pixels = *bmap++;
for (unsigned i=0; i<8; i++) {
if ((pixels & 0x01) == 0)
*buf++ = headerbar_bg;
else
*buf++ = headerbar_fg;
pixels = pixels >> 1;
}
} while (--xdim);
buf = buf_row + disp;
} while (--ydim);
sdl_bitmaps[n_sdl_bitmaps] = tmp;
return n_sdl_bitmaps++;
}
unsigned bx_sdl2_gui_c::headerbar_bitmap(unsigned bmap_id, unsigned alignment,
void (*f)(void))
{
unsigned hb_index;
if (bmap_id >= (unsigned)n_sdl_bitmaps) return 0;
if ((bx_headerbar_entries+1) > BX_MAX_HEADERBAR_ENTRIES)
BX_PANIC(("too many headerbar entries, increase BX_MAX_HEADERBAR_ENTRIES"));
bx_headerbar_entries++;
hb_index = bx_headerbar_entries - 1;
hb_entry[hb_index].bmp_id = bmap_id;
hb_entry[hb_index].alignment = alignment;
hb_entry[hb_index].f = f;
if (alignment == BX_GRAVITY_LEFT) {
sdl_bitmaps[bmap_id]->dst.x = bx_bitmap_left_xorigin;
bx_bitmap_left_xorigin += sdl_bitmaps[bmap_id]->src.w;
} else {
bx_bitmap_right_xorigin += sdl_bitmaps[bmap_id]->src.w;
sdl_bitmaps[bmap_id]->dst.x = bx_bitmap_right_xorigin;
}
return hb_index;
}
void bx_sdl2_gui_c::replace_bitmap(unsigned hbar_id, unsigned bmap_id)
{
SDL_Rect hb_dst;
unsigned old_id;
if (!sdl_screen) return;
old_id = hb_entry[hbar_id].bmp_id;
hb_dst = sdl_bitmaps[old_id]->dst;
sdl_bitmaps[old_id]->dst.x = -1;
hb_entry[hbar_id].bmp_id = bmap_id;
sdl_bitmaps[bmap_id]->dst.x = hb_dst.x;
if (sdl_bitmaps[bmap_id]->dst.x != -1) {
if (hb_entry[hbar_id].alignment == BX_GRAVITY_RIGHT) {
hb_dst.x = res_x - hb_dst.x;
}
SDL_BlitSurface(
sdl_bitmaps[bmap_id]->surface,
&sdl_bitmaps[bmap_id]->src,
sdl_screen,
&hb_dst);
SDL_UpdateWindowSurface(window);
}
}
void bx_sdl2_gui_c::show_headerbar(void)
{
Uint32 *buf;
Uint32 *buf_row;
Uint32 disp;
int rowsleft = headerbar_height;
int colsleft, sb_item;
int bitmapscount = bx_headerbar_entries;
unsigned current_bmp, pos_x;
SDL_Rect hb_dst;
if (!sdl_screen) return;
disp = sdl_screen->pitch/4;
buf = (Uint32 *)sdl_screen->pixels;
// draw headerbar background
do {
colsleft = res_x;
buf_row = buf;
do {
*buf++ = headerbar_bg;
} while (--colsleft);
buf = buf_row + disp;
} while (--rowsleft);
// go thru the bitmaps and display the active ones
while (bitmapscount--) {
current_bmp = hb_entry[bitmapscount].bmp_id;
if(sdl_bitmaps[current_bmp]->dst.x != -1) {
hb_dst = sdl_bitmaps[current_bmp]->dst;
if (hb_entry[bitmapscount].alignment == BX_GRAVITY_RIGHT) {
hb_dst.x = res_x - hb_dst.x;
}
SDL_BlitSurface(
sdl_bitmaps[current_bmp]->surface,
&sdl_bitmaps[current_bmp]->src,
sdl_screen,
&hb_dst);
}
}
// draw statusbar background
rowsleft = statusbar_height;
buf = (Uint32 *)sdl_screen->pixels + (res_y + headerbar_height) * disp;
do {
colsleft = res_x;
buf_row = buf;
sb_item = 1;
pos_x = 0;
do {
if (pos_x == statusitem_pos[sb_item]) {
*buf++ = headerbar_fg;
if (sb_item < 11) sb_item++;
} else {
*buf++ = headerbar_bg;
}
pos_x++;
} while (--colsleft);
buf = buf_row + disp;
} while (--rowsleft);
SDL_UpdateWindowSurface(window);
for (unsigned i=0; i<statusitem_count; i++) {
sdl_set_status_text(i+1, statusitem[i].text, statusitem_active[i+1]);
}
}
int bx_sdl2_gui_c::get_clipboard_text(Bit8u **bytes, Bit32s *nbytes)
{
return 0;
}
int bx_sdl2_gui_c::set_clipboard_text(char *text_snapshot, Bit32u len)
{
return 0;
}
void bx_sdl2_gui_c::mouse_enabled_changed_specific(bx_bool val)
{
if (val == 1) {
SDL_ShowCursor(0);
SDL_SetWindowGrab(window, SDL_TRUE);
} else {
SDL_ShowCursor(1);
SDL_SetWindowGrab(window, SDL_FALSE);
}
sdl_grab = val;
}
void bx_sdl2_gui_c::exit(void)
{
SDL_ShowCursor(1);
SDL_SetWindowGrab(window, SDL_FALSE);
while (n_sdl_bitmaps) {
SDL_FreeSurface(sdl_bitmaps[n_sdl_bitmaps-1]->surface);
n_sdl_bitmaps--;
}
}
// New graphics API methods
bx_svga_tileinfo_t *bx_sdl2_gui_c::graphics_tile_info(bx_svga_tileinfo_t *info)
{
if (sdl_screen) {
info->bpp = sdl_screen->format->BitsPerPixel;
info->pitch = sdl_screen->pitch;
info->red_shift = sdl_screen->format->Rshift + 8 - sdl_screen->format->Rloss;
info->green_shift = sdl_screen->format->Gshift + 8 - sdl_screen->format->Gloss;
info->blue_shift = sdl_screen->format->Bshift + 8 - sdl_screen->format->Bloss;
info->red_mask = sdl_screen->format->Rmask;
info->green_mask = sdl_screen->format->Gmask;
info->blue_mask = sdl_screen->format->Bmask;
info->is_indexed = (sdl_screen->format->palette != NULL);
} else {
info->bpp = sdl_fullscreen->format->BitsPerPixel;
info->pitch = sdl_fullscreen->pitch;
info->red_shift = sdl_fullscreen->format->Rshift + 8 - sdl_fullscreen->format->Rloss;
info->green_shift = sdl_fullscreen->format->Gshift + 8 - sdl_fullscreen->format->Gloss;
info->blue_shift = sdl_fullscreen->format->Bshift + 8 - sdl_fullscreen->format->Bloss;
info->red_mask = sdl_fullscreen->format->Rmask;
info->green_mask = sdl_fullscreen->format->Gmask;
info->blue_mask = sdl_fullscreen->format->Bmask;
info->is_indexed = (sdl_fullscreen->format->palette != NULL);
}
#ifdef BX_LITTLE_ENDIAN
info->is_little_endian = 1;
#else
info->is_little_endian = 0;
#endif
return info;
}
Bit8u *bx_sdl2_gui_c::graphics_tile_get(unsigned x0, unsigned y0, unsigned *w, unsigned *h)
{
if (x0+x_tilesize > res_x) {
*w = res_x - x0;
} else {
*w = x_tilesize;
}
if (y0+y_tilesize > res_y) {
*h = res_y - y0;
} else {
*h = y_tilesize;
}
if (sdl_screen) {
return (Bit8u *)sdl_screen->pixels +
sdl_screen->pitch * (headerbar_height + y0) +
sdl_screen->format->BytesPerPixel * x0;
} else {
return (Bit8u *)sdl_fullscreen->pixels +
sdl_fullscreen->pitch * y0 +
sdl_fullscreen->format->BytesPerPixel * x0;
}
}
void bx_sdl2_gui_c::graphics_tile_update_in_place(unsigned x0, unsigned y0,
unsigned w, unsigned h)
{
// Nothing to do here
}
// Optional bx_gui_c methods
void bx_sdl2_gui_c::set_display_mode(disp_mode_t newmode)
{
// if no mode change, do nothing.
if (disp_mode == newmode) return;
// remember the display mode for next time
disp_mode = newmode;
// If fullscreen mode is on, we must switch back to windowed mode if
// the user needs to see the text console.
if (sdl_fullscreen_toggle) {
switch (newmode) {
case DISP_MODE_CONFIG:
BX_DEBUG(("switch to configuration mode (windowed)"));
switch_to_windowed();
break;
case DISP_MODE_SIM:
BX_DEBUG(("switch to simulation mode (fullscreen)"));
switch_to_fullscreen();
break;
}
}
}
void bx_sdl2_gui_c::statusbar_setitem_specific(int element, bx_bool active, bx_bool w)
{
sdl_set_status_text(element+1, statusitem[element].text, active, w);
}
void bx_sdl2_gui_c::get_capabilities(Bit16u *xres, Bit16u *yres, Bit16u *bpp)
{
*xres = sdl_maxres.w;
*yres = sdl_maxres.h;
*bpp = 32;
}
void bx_sdl2_gui_c::set_mouse_mode_absxy(bx_bool mode)
{
sdl_mouse_mode_absxy = mode;
}
#if BX_SHOW_IPS
void bx_sdl2_gui_c::show_ips(Bit32u ips_count)
{
if (!sdl_hide_ips && !sdl_ips_update) {
ips_count /= 1000;
sprintf(sdl_ips_text, "IPS: %u.%3.3uM", ips_count / 1000, ips_count % 1000);
sdl_ips_update = 1;
}
}
#endif
/// key mapping code for SDL2
typedef struct {
const char *name;
Bit32u value;
} keyTableEntry;
#define DEF_SDL_KEY(key) \
{ #key, key },
keyTableEntry keytable[] = {
// this include provides all the entries.
#include "sdlkeys.h"
// one final entry to mark the end
{ NULL, 0 }
};
// function to convert key names into SDLKey values.
// This first try will be horribly inefficient, but it only has
// to be done while loading a keymap. Once the simulation starts,
// this function won't be called.
static Bit32u convertStringToSDLKey (const char *string)
{
keyTableEntry *ptr;
for (ptr = &keytable[0]; ptr->name != NULL; ptr++) {
//BX_DEBUG (("comparing string '%s' to SDL key '%s'", string, ptr->name));
if (!strcmp(string, ptr->name))
return ptr->value;
}
return BX_KEYMAP_UNKNOWN;
}
// SDL2 ask dialog
#ifndef WIN32
int sdl2_ask_dialog(BxEvent *event)
{
SDL_MessageBoxData msgboxdata;
SDL_MessageBoxButtonData buttondata[4];
int level, retcode;
#if BX_DEBUGGER || BX_GDBSTUB
int defbtn = 3;
#else
int defbtn = 2;
#endif
char message[512];
level = event->u.logmsg.level;
sprintf(message, "%s %s", event->u.logmsg.prefix, event->u.logmsg.msg);
msgboxdata.flags = SDL_MESSAGEBOX_ERROR;
msgboxdata.window = window;
msgboxdata.title = SIM->get_log_level_name(level);
msgboxdata.message = message;
msgboxdata.numbuttons = defbtn + 1;
msgboxdata.buttons = buttondata;
msgboxdata.colorScheme = NULL;
buttondata[0].flags = 0;
buttondata[0].buttonid = BX_LOG_ASK_CHOICE_CONTINUE;
buttondata[0].text = "Continue";
buttondata[1].flags = 0;
buttondata[1].buttonid = BX_LOG_ASK_CHOICE_CONTINUE_ALWAYS;
buttondata[1].text = "Alwayscont";
#if BX_DEBUGGER || BX_GDBSTUB
buttondata[2].flags = 0;
buttondata[2].buttonid = BX_LOG_ASK_CHOICE_ENTER_DEBUG;
buttondata[2].text = "Debugger";
#endif
buttondata[defbtn].flags = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
buttondata[defbtn].buttonid = BX_LOG_ASK_CHOICE_DIE;
buttondata[defbtn].text = "Quit";
if (SDL_ShowMessageBox(&msgboxdata, &retcode) < 0) {
return -1;
} else {
return retcode;
}
}
BxEvent *sdl2_notify_callback(void *unused, BxEvent *event)
{
switch (event->type) {
case BX_SYNC_EVT_LOG_ASK:
event->retcode = sdl2_ask_dialog(event);
return event;
case BX_SYNC_EVT_ASK_PARAM:
case BX_SYNC_EVT_TICK: // called periodically by siminterface.
case BX_ASYNC_EVT_REFRESH: // called when some bx_param_c parameters have changed.
// fall into default case
default:
return (*old_callback)(old_callback_arg, event);
}
}
#endif
#endif /* if BX_WITH_SDL2 */
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