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Bochs/bochs/gui/gui.h
Volker Ruppert 3f760e2900 Some work on the Bochs plugins support. 
- Improved macro definitions for plugin entry points.
- Forward declarations of plugin entry points are only required when plugin
  support is off.
- Improved panic message for the case when plugin entry point is not found.
2021-01-24 19:47:04 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002-2021 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
// header bar and status bar stuff
#define BX_HEADER_BAR_Y 32
#define BX_MAX_PIXMAPS 17
#define BX_MAX_HEADERBAR_ENTRIES 12
// align pixmaps towards left or right side of header bar
#define BX_GRAVITY_LEFT 10
#define BX_GRAVITY_RIGHT 11
#define BX_MAX_STATUSITEMS 10
// gui dialog capabilities
#define BX_GUI_DLG_FLOPPY 0x01
#define BX_GUI_DLG_CDROM 0x02
#define BX_GUI_DLG_SNAPSHOT 0x04
#define BX_GUI_DLG_RUNTIME 0x08
#define BX_GUI_DLG_USER 0x10
#define BX_GUI_DLG_SAVE_RESTORE 0x20
#define BX_GUI_DLG_ALL 0x3F
// text mode blink feature
#define BX_TEXT_BLINK_MODE 0x01
#define BX_TEXT_BLINK_TOGGLE 0x02
#define BX_TEXT_BLINK_STATE 0x04
// modifier keys
#define BX_MOD_KEY_SHIFT 0x01
#define BX_MOD_KEY_CTRL 0x02
#define BX_MOD_KEY_ALT 0x04
#define BX_MOD_KEY_CAPS 0x08
// mouse capture toggle feature
#define BX_MT_KEY_CTRL 0x01
#define BX_MT_KEY_ALT 0x02
#define BX_MT_KEY_F10 0x04
#define BX_MT_KEY_F12 0x08
#define BX_MT_MBUTTON 0x10
#define BX_MT_LBUTTON 0x20
#define BX_MT_RBUTTON 0x40
#define BX_GUI_MT_CTRL_MB (BX_MT_KEY_CTRL | BX_MT_MBUTTON)
#define BX_GUI_MT_CTRL_LRB (BX_MT_KEY_CTRL | BX_MT_LBUTTON | BX_MT_RBUTTON)
#define BX_GUI_MT_CTRL_F10 (BX_MT_KEY_CTRL | BX_MT_KEY_F10)
#define BX_GUI_MT_F12 (BX_MT_KEY_F12)
#define BX_GUI_MT_CTRL_ALT (BX_MT_KEY_CTRL | BX_MT_KEY_ALT)
typedef struct {
Bit16u start_address;
Bit8u cs_start;
Bit8u cs_end;
Bit16u line_offset;
Bit16u line_compare;
Bit8u h_panning;
Bit8u v_panning;
bx_bool line_graphics;
bx_bool split_hpanning;
Bit8u blink_flags;
Bit8u actl_palette[16];
} bx_vga_tminfo_t;
typedef struct {
Bit16u bpp, pitch;
Bit8u red_shift, green_shift, blue_shift;
Bit8u is_indexed, is_little_endian;
unsigned long red_mask, green_mask, blue_mask;
bx_bool snapshot_mode;
} bx_svga_tileinfo_t;
BOCHSAPI_MSVCONLY Bit8u reverse_bitorder(Bit8u);
BOCHSAPI extern class bx_gui_c *bx_gui;
#if BX_SUPPORT_X86_64
#define BOCHS_WINDOW_NAME "Bochs x86-64 emulator, http://bochs.sourceforge.net/"
#else
#define BOCHS_WINDOW_NAME "Bochs x86 emulator, http://bochs.sourceforge.net/"
#endif
// The bx_gui_c class provides data and behavior that is common to
// all guis. Each gui implementation will override the abstract methods.
class BOCHSAPI bx_gui_c : public logfunctions {
public:
bx_gui_c (void);
virtual ~bx_gui_c ();
// Define the following functions in the module for your particular GUI
// (x.cc, win32.cc, ...)
virtual void specific_init(int argc, char **argv, unsigned header_bar_y) = 0;
virtual void text_update(Bit8u *old_text, Bit8u *new_text,
unsigned long cursor_x, unsigned long cursor_y,
bx_vga_tminfo_t *tm_info) = 0;
virtual void graphics_tile_update(Bit8u *tile, unsigned x, unsigned y) = 0;
virtual void handle_events(void) = 0;
virtual void flush(void) = 0;
virtual void clear_screen(void) = 0;
virtual bx_bool palette_change(Bit8u index, Bit8u red, Bit8u green, Bit8u blue) = 0;
virtual void dimension_update(unsigned x, unsigned y, unsigned fheight=0, unsigned fwidth=0, unsigned bpp=8) = 0;
virtual unsigned create_bitmap(const unsigned char *bmap, unsigned xdim, unsigned ydim) = 0;
virtual unsigned headerbar_bitmap(unsigned bmap_id, unsigned alignment, void (*f)(void)) = 0;
virtual void replace_bitmap(unsigned hbar_id, unsigned bmap_id) = 0;
virtual void show_headerbar(void) = 0;
virtual int get_clipboard_text(Bit8u **bytes, Bit32s *nbytes) = 0;
virtual int set_clipboard_text(char *snapshot, Bit32u len) = 0;
virtual void mouse_enabled_changed_specific (bx_bool val) = 0;
virtual void exit(void) = 0;
// new graphics API methods (compatibility mode in gui.cc)
virtual bx_svga_tileinfo_t *graphics_tile_info(bx_svga_tileinfo_t *info);
virtual Bit8u *graphics_tile_get(unsigned x, unsigned y, unsigned *w, unsigned *h);
virtual void graphics_tile_update_in_place(unsigned x, unsigned y, unsigned w, unsigned h);
// new text update API
virtual void set_font(bx_bool lg) {}
virtual void draw_char(Bit8u ch, Bit8u fc, Bit8u bc, Bit16u xc, Bit16u yc,
Bit8u fw, Bit8u fh, Bit8u fx, Bit8u fy,
bx_bool gfxcharw9, Bit8u cs, Bit8u ce, bx_bool curs) {}
// optional gui methods (stubs or default code in gui.cc)
virtual void statusbar_setitem_specific(int element, bx_bool active, bx_bool w) {}
virtual void set_tooltip(unsigned hbar_id, const char *tip) {}
// set_display_mode() changes the mode between the configuration interface
// and the simulation. This is primarily intended for display libraries
// which have a full-screen mode such as SDL or term. The display mode is
// set to DISP_MODE_CONFIG before displaying any configuration menus,
// for panics that requires user input, when entering the debugger, etc. It
// is set to DISP_MODE_SIM when the Bochs simulation resumes. The
// enum is defined in gui/siminterface.h.
virtual void set_display_mode (disp_mode_t newmode) { /* default=no action*/ }
// These are only needed for the term gui. For all other guis they will
// have no effect.
// returns 32-bit bitmask in which 1 means the GUI should handle that signal
virtual Bit32u get_sighandler_mask () {return 0;}
// called when registered signal arrives
virtual void sighandler (int sig) {}
#if BX_USE_IDLE_HACK
// this is called from the CPU model when the HLT instruction is executed.
virtual void sim_is_idle(void) {}
#endif
virtual void show_ips(Bit32u ips_count);
virtual void beep_on(float frequency);
virtual void beep_off();
virtual void get_capabilities(Bit16u *xres, Bit16u *yres, Bit16u *bpp);
virtual void set_mouse_mode_absxy(bx_bool mode) {}
#if BX_USE_GUI_CONSOLE
virtual void set_console_edit_mode(bx_bool mode) {}
#endif
// The following function(s) are defined already, and your
// GUI code calls them
static void key_event(Bit32u key);
static void set_text_charmap(Bit8u *fbuffer);
static void set_text_charbyte(Bit16u address, Bit8u data);
static Bit8u get_mouse_headerbar_id();
void init(int argc, char **argv, unsigned max_xres, unsigned max_yres,
unsigned x_tilesize, unsigned y_tilesize);
void cleanup(void);
void draw_char_common(Bit8u ch, Bit8u fc, Bit8u bc, Bit16u xc, Bit16u yc,
Bit8u fw, Bit8u fh, Bit8u fx, Bit8u fy,
bx_bool gfxcharw9, Bit8u cs, Bit8u ce, bx_bool curs);
void text_update_common(Bit8u *old_text, Bit8u *new_text,
Bit16u cursor_address, bx_vga_tminfo_t *tm_info);
void graphics_tile_update_common(Bit8u *tile, unsigned x, unsigned y);
bx_svga_tileinfo_t *graphics_tile_info_common(bx_svga_tileinfo_t *info);
Bit8u* get_snapshot_buffer(void) {return snapshot_buffer;}
bx_bool palette_change_common(Bit8u index, Bit8u red, Bit8u green, Bit8u blue);
void update_drive_status_buttons(void);
static void mouse_enabled_changed(bx_bool val);
int register_statusitem(const char *text, bx_bool auto_off=0);
void unregister_statusitem(int id);
void statusbar_setitem(int element, bx_bool active, bx_bool w=0);
static void init_signal_handlers();
static void toggle_mouse_enable(void);
bx_bool mouse_toggle_check(Bit32u key, bx_bool pressed);
const char* get_toggle_info(void);
Bit8u get_modifier_keys(void);
Bit8u set_modifier_keys(Bit8u modifier, bx_bool pressed);
bx_bool parse_user_shortcut(const char *val);
#if BX_DEBUGGER && BX_DEBUGGER_GUI
void init_debug_dialog(void);
void close_debug_dialog(void);
#endif
#if BX_USE_GUI_CONSOLE
bx_bool has_gui_console(void) {return console.present;}
bx_bool console_running(void) {return console.running;}
void console_refresh(bx_bool force);
void console_key_enq(Bit8u key);
int bx_printf(const char *s);
char* bx_gets(char *s, int size);
#else
bx_bool has_gui_console(void) {return 0;}
bx_bool console_running(void) {return 0;}
void console_refresh(bx_bool force) {}
void console_key_enq(Bit8u key) {}
#endif
bx_bool has_command_mode(void) {return command_mode.present;}
bx_bool command_mode_active(void) {return command_mode.active;}
void set_command_mode(bx_bool active);
void set_fullscreen_mode(bx_bool active) {fullscreen_mode = active;}
// marklog handler without button, called in gui command mode
static void marklog_handler(void);
protected:
// And these are defined and used privately in gui.cc
// header bar button handlers
static void floppyA_handler(void);
static void floppyB_handler(void);
static void cdrom1_handler(void);
static void reset_handler(void);
static void power_handler(void);
static void copy_handler(void);
static void paste_handler(void);
static void snapshot_handler(void);
static void config_handler(void);
static void userbutton_handler(void);
static void save_restore_handler(void);
// process clicks on the "classic" Bochs headerbar
void headerbar_click(int x);
// snapshot helper functions
static void make_text_snapshot(char **snapshot, Bit32u *length);
static Bit32u set_snapshot_mode(bx_bool mode);
// status bar LED timer
static void led_timer_handler(void *);
void led_timer(void);
#if BX_USE_GUI_CONSOLE
void console_init(void);
void console_cleanup(void);
#else
void console_cleanup(void) {}
#endif
// header bar buttons
bx_bool floppyA_status;
bx_bool floppyB_status;
bx_bool cdrom1_status;
unsigned floppyA_bmap_id, floppyA_eject_bmap_id, floppyA_hbar_id;
unsigned floppyB_bmap_id, floppyB_eject_bmap_id, floppyB_hbar_id;
unsigned cdrom1_bmap_id, cdrom1_eject_bmap_id, cdrom1_hbar_id;
unsigned power_bmap_id, power_hbar_id;
unsigned reset_bmap_id, reset_hbar_id;
unsigned copy_bmap_id, copy_hbar_id;
unsigned paste_bmap_id, paste_hbar_id;
unsigned snapshot_bmap_id, snapshot_hbar_id;
unsigned config_bmap_id, config_hbar_id;
unsigned mouse_bmap_id, nomouse_bmap_id, mouse_hbar_id;
unsigned user_bmap_id, user_hbar_id;
unsigned save_restore_bmap_id, save_restore_hbar_id;
// the "classic" Bochs headerbar
unsigned bx_headerbar_entries;
struct {
unsigned bmap_id;
unsigned xdim;
unsigned ydim;
unsigned xorigin;
unsigned alignment;
void (*f)(void);
} bx_headerbar_entry[BX_MAX_HEADERBAR_ENTRIES];
// text charmap
Bit8u vga_charmap[0x2000];
bx_bool charmap_updated;
bx_bool char_changed[256];
// status bar items
unsigned statusitem_count;
int led_timer_index;
struct {
bx_bool in_use;
char text[8];
bx_bool active;
bx_bool mode; // read/write
bx_bool auto_off;
Bit8u counter;
} statusitem[BX_MAX_STATUSITEMS];
// display mode
disp_mode_t disp_mode;
// new graphics API (with compatibility mode)
bx_bool new_gfx_api;
Bit16u host_xres;
Bit16u host_yres;
Bit16u host_pitch;
Bit8u host_bpp;
Bit8u *framebuffer;
// new text update API
bx_bool new_text_api;
Bit16u cursor_address;
bx_vga_tminfo_t tm_info;
// maximum guest display size and tile size
unsigned max_xres;
unsigned max_yres;
unsigned x_tilesize;
unsigned y_tilesize;
// current guest display settings
bx_bool guest_textmode;
Bit8u guest_fwidth;
Bit8u guest_fheight;
Bit16u guest_xres;
Bit16u guest_yres;
Bit8u guest_bpp;
// graphics snapshot
bx_bool snapshot_mode;
Bit8u *snapshot_buffer;
struct {
Bit8u blue;
Bit8u green;
Bit8u red;
Bit8u reserved;
} palette[256];
// modifier keys
Bit8u keymodstate;
// mouse toggle setup
Bit8u toggle_method;
Bit32u toggle_keystate;
char mouse_toggle_text[20];
// userbutton shortcut
Bit32u user_shortcut[4];
int user_shortcut_len;
bx_bool user_shortcut_error;
// gui dialog capabilities
Bit32u dialog_caps;
#if BX_USE_GUI_CONSOLE
struct {
bx_bool present;
bx_bool running;
Bit8u *screen;
Bit8u *oldscreen;
Bit8u saved_fwidth;
Bit8u saved_fheight;
Bit16u saved_xres;
Bit16u saved_yres;
Bit8u saved_bpp;
Bit8u saved_palette[32];
Bit8u saved_charmap[0x2000];
unsigned cursor_x;
unsigned cursor_y;
Bit16u cursor_addr;
bx_vga_tminfo_t tminfo;
Bit8u keys[16];
Bit8u n_keys;
} console;
#endif
// command mode
struct {
bx_bool present;
bx_bool active;
} command_mode;
bx_bool fullscreen_mode;
Bit32u marker_count;
};
// Add this macro in the class declaration of each GUI, to define all the
// required virtual methods. Example:
//
// class bx_rfb_gui_c : public bx_gui_c {
// public:
// bx_rfb_gui_c (void) {}
// DECLARE_GUI_VIRTUAL_METHODS()
// };
// Then, each method must be defined later in the file.
#define DECLARE_GUI_VIRTUAL_METHODS() \
virtual void specific_init(int argc, char **argv, \
unsigned header_bar_y); \
virtual void text_update(Bit8u *old_text, Bit8u *new_text, \
unsigned long cursor_x, unsigned long cursor_y, \
bx_vga_tminfo_t *tm_info); \
virtual void graphics_tile_update(Bit8u *tile, unsigned x, unsigned y); \
virtual void handle_events(void); \
virtual void flush(void); \
virtual void clear_screen(void); \
virtual bx_bool palette_change(Bit8u index, Bit8u red, Bit8u green, \
Bit8u blue); \
virtual void dimension_update(unsigned x, unsigned y, unsigned fheight=0, \
unsigned fwidth=0, unsigned bpp=8); \
virtual unsigned create_bitmap(const unsigned char *bmap, \
unsigned xdim, unsigned ydim); \
virtual unsigned headerbar_bitmap(unsigned bmap_id, unsigned alignment, \
void (*f)(void)); \
virtual void replace_bitmap(unsigned hbar_id, unsigned bmap_id); \
virtual void show_headerbar(void); \
virtual int get_clipboard_text(Bit8u **bytes, Bit32s *nbytes); \
virtual int set_clipboard_text(char *snapshot, Bit32u len); \
virtual void mouse_enabled_changed_specific (bx_bool val); \
virtual void exit(void); \
/* end of DECLARE_GUI_VIRTUAL_METHODS */
#define DECLARE_GUI_NEW_VIRTUAL_METHODS() \
virtual bx_svga_tileinfo_t *graphics_tile_info(bx_svga_tileinfo_t *info); \
virtual Bit8u *graphics_tile_get(unsigned x, unsigned y, \
unsigned *w, unsigned *h); \
virtual void graphics_tile_update_in_place(unsigned x, unsigned y, \
unsigned w, unsigned h);
/* end of DECLARE_GUI_NEW_VIRTUAL_METHODS */
#define BX_KEY_PRESSED 0x00000000
#define BX_KEY_RELEASED 0x80000000
#define BX_KEY_UNHANDLED 0x10000000
enum {
BX_KEY_CTRL_L,
BX_KEY_SHIFT_L,
BX_KEY_F1,
BX_KEY_F2,
BX_KEY_F3,
BX_KEY_F4,
BX_KEY_F5,
BX_KEY_F6,
BX_KEY_F7,
BX_KEY_F8,
BX_KEY_F9,
BX_KEY_F10,
BX_KEY_F11,
BX_KEY_F12,
BX_KEY_CTRL_R,
BX_KEY_SHIFT_R,
BX_KEY_CAPS_LOCK,
BX_KEY_NUM_LOCK,
BX_KEY_ALT_L,
BX_KEY_ALT_R,
BX_KEY_A,
BX_KEY_B,
BX_KEY_C,
BX_KEY_D,
BX_KEY_E,
BX_KEY_F,
BX_KEY_G,
BX_KEY_H,
BX_KEY_I,
BX_KEY_J,
BX_KEY_K,
BX_KEY_L,
BX_KEY_M,
BX_KEY_N,
BX_KEY_O,
BX_KEY_P,
BX_KEY_Q,
BX_KEY_R,
BX_KEY_S,
BX_KEY_T,
BX_KEY_U,
BX_KEY_V,
BX_KEY_W,
BX_KEY_X,
BX_KEY_Y,
BX_KEY_Z,
BX_KEY_0,
BX_KEY_1,
BX_KEY_2,
BX_KEY_3,
BX_KEY_4,
BX_KEY_5,
BX_KEY_6,
BX_KEY_7,
BX_KEY_8,
BX_KEY_9,
BX_KEY_ESC,
BX_KEY_SPACE,
BX_KEY_SINGLE_QUOTE,
BX_KEY_COMMA,
BX_KEY_PERIOD,
BX_KEY_SLASH,
BX_KEY_SEMICOLON,
BX_KEY_EQUALS,
BX_KEY_LEFT_BRACKET,
BX_KEY_BACKSLASH,
BX_KEY_RIGHT_BRACKET,
BX_KEY_MINUS,
BX_KEY_GRAVE,
BX_KEY_BACKSPACE,
BX_KEY_ENTER,
BX_KEY_TAB,
BX_KEY_LEFT_BACKSLASH,
BX_KEY_PRINT,
BX_KEY_SCRL_LOCK,
BX_KEY_PAUSE,
BX_KEY_INSERT,
BX_KEY_DELETE,
BX_KEY_HOME,
BX_KEY_END,
BX_KEY_PAGE_UP,
BX_KEY_PAGE_DOWN,
BX_KEY_KP_ADD,
BX_KEY_KP_SUBTRACT,
BX_KEY_KP_END,
BX_KEY_KP_DOWN,
BX_KEY_KP_PAGE_DOWN,
BX_KEY_KP_LEFT,
BX_KEY_KP_RIGHT,
BX_KEY_KP_HOME,
BX_KEY_KP_UP,
BX_KEY_KP_PAGE_UP,
BX_KEY_KP_INSERT,
BX_KEY_KP_DELETE,
BX_KEY_KP_5,
BX_KEY_UP,
BX_KEY_DOWN,
BX_KEY_LEFT,
BX_KEY_RIGHT,
BX_KEY_KP_ENTER,
BX_KEY_KP_MULTIPLY,
BX_KEY_KP_DIVIDE,
BX_KEY_WIN_L,
BX_KEY_WIN_R,
BX_KEY_MENU,
BX_KEY_ALT_SYSREQ,
BX_KEY_CTRL_BREAK,
BX_KEY_INT_BACK,
BX_KEY_INT_FORWARD,
BX_KEY_INT_STOP,
BX_KEY_INT_MAIL,
BX_KEY_INT_SEARCH,
BX_KEY_INT_FAV,
BX_KEY_INT_HOME,
BX_KEY_POWER_MYCOMP,
BX_KEY_POWER_CALC,
BX_KEY_POWER_SLEEP,
BX_KEY_POWER_POWER,
BX_KEY_POWER_WAKE,
BX_KEY_NBKEYS
};
// If you add BX_KEYs, don't forget this:
// - the last entry must be BX_KEY_NBKEYS
// - upate the scancodes table in the file iodev/scancodes.cc
// - update the bx_key_symbol table in the file gui/keymap.cc
/////////////// GUI plugin support
// Define macro to supply gui plugin code. This macro is called once in GUI to
// supply the plugin initialization methods. Since it is nearly identical for
// each gui module, the macro is easier to maintain than pasting the same code
// in each one.
//
// Each gui should declare a class pointer called "theGui" which is derived
// from bx_gui_c, before calling this macro. For example, the SDL port
// says:
// static bx_sdl_gui_c *theGui;
#define IMPLEMENT_GUI_PLUGIN_CODE(gui_name) \
PLUGIN_ENTRY_FOR_GUI_MODULE(gui_name) \
{ \
if (init) { \
genlog->info("installing %s module as the Bochs GUI", #gui_name); \
theGui = new bx_##gui_name##_gui_c (); \
bx_gui = theGui; \
} \
return(0); /* Success */ \
}
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