snes9x/gtk/src/gtk_control.cpp
2010-09-26 04:19:15 -05:00

703 lines
18 KiB
C++

#include <fcntl.h>
#ifdef USE_JOYSTICK
# include "SDL.h"
#endif
#include "gtk_s9xcore.h"
#include "gtk_s9x.h"
#include "gtk_config.h"
#include "gtk_control.h"
const BindingLink b_links[] =
{
/* Joypad-specific bindings. "Joypad# " will be prepended */
{ "b_up", "Up" },
{ "b_down", "Down" },
{ "b_left", "Left" },
{ "b_right", "Right" },
{ "b_start", "Start" },
{ "b_select", "Select" },
{ "b_a", "A" },
{ "b_b", "B" },
{ "b_x", "X" },
{ "b_y", "Y" },
{ "b_l", "L" },
{ "b_r", "R" },
{ "b_a_turbo", "Turbo A" },
{ "b_b_turbo", "Turbo B" },
{ "b_x_turbo", "Turbo X" },
{ "b_y_turbo", "Turbo Y" },
{ "b_l_turbo", "Turbo L" },
{ "b_r_turbo", "Turbo R" },
{ "b_a_sticky", "Sticky A" },
{ "b_b_sticky", "Sticky B" },
{ "b_x_sticky", "Sticky X" },
{ "b_y_sticky", "Sticky Y" },
{ "b_l_sticky", "Sticky L" },
{ "b_r_sticky", "Sticky R" },
/* Emulator based bindings */
{ "b_open_rom", "GTK_open_rom" },
{ "b_enable_turbo", "EmuTurbo" },
{ "b_toggle_turbo", "ToggleEmuTurbo" },
{ "b_pause", "GTK_pause" },
{ "b_decrease_frame_rate", "DecFrameRate" },
{ "b_increase_frame_rate", "IncFrameRate" },
{ "b_decrease_frame_time", "DecFrameTime" },
{ "b_increase_frame_time", "IncFrameTime" },
{ "b_hardware_reset", "Reset" },
{ "b_soft_reset", "SoftReset" },
{ "b_quit", "GTK_quit" },
{ "b_bg_layer_0", "ToggleBG0" },
{ "b_bg_layer_1", "ToggleBG1" },
{ "b_bg_layer_2", "ToggleBG2" },
{ "b_bg_layer_3", "ToggleBG3" },
{ "b_sprites", "ToggleSprites" },
{ "b_bg_layering_hack", "BGLayeringHack" },
{ "b_screenshot", "Screenshot" },
{ "b_fullscreen", "GTK_fullscreen" },
{ "b_save_0", "QuickSave000" },
{ "b_save_1", "QuickSave001" },
{ "b_save_2", "QuickSave002" },
{ "b_save_3", "QuickSave003" },
{ "b_save_4", "QuickSave004" },
{ "b_save_5", "QuickSave005" },
{ "b_save_6", "QuickSave006" },
{ "b_save_7", "QuickSave007" },
{ "b_save_8", "QuickSave008" },
{ "b_load_0", "QuickLoad000" },
{ "b_load_1", "QuickLoad001" },
{ "b_load_2", "QuickLoad002" },
{ "b_load_3", "QuickLoad003" },
{ "b_load_4", "QuickLoad004" },
{ "b_load_5", "QuickLoad005" },
{ "b_load_6", "QuickLoad006" },
{ "b_load_7", "QuickLoad007" },
{ "b_load_8", "QuickLoad008" },
{ "b_sound_channel_0", "SoundChannel0" },
{ "b_sound_channel_1", "SoundChannel1" },
{ "b_sound_channel_2", "SoundChannel2" },
{ "b_sound_channel_3", "SoundChannel3" },
{ "b_sound_channel_4", "SoundChannel4" },
{ "b_sound_channel_5", "SoundChannel5" },
{ "b_sound_channel_6", "SoundChannel6" },
{ "b_sound_channel_7", "SoundChannel7" },
{ "b_all_sound_channels", "SoundChannelsOn" },
{ "b_save_spc", "GTK_save_spc" },
{ "b_begin_recording_movie", "BeginRecordingMovie" },
{ "b_stop_recording_movie", "EndRecordingMovie" },
{ "b_load_movie", "LoadMovie" },
{ "b_seek_to_frame", "GTK_seek_to_frame" },
{ "b_swap_controllers", "GTK_swap_controllers" },
{ NULL, NULL }
};
/* Where the page breaks occur in the preferences pane */
const int b_breaks[] =
{
12, /* End of main buttons */
24, /* End of turbo/sticky buttons */
35, /* End of base emulator buttons */
43, /* End of Graphic options */
61, /* End of save/load states */
70, /* End of sound buttons */
76, /* End of miscellaneous buttons */
-1
};
static int joystick_lock = 0;
bool
S9xPollButton (uint32 id, bool *pressed)
{
return true;
}
bool
S9xPollAxis (uint32 id, int16 *value)
{
return true;
}
bool
S9xPollPointer (uint32 id, int16 *x, int16 *y)
{
*x = top_level->mouse_loc_x;
*y = top_level->mouse_loc_y;
return true;
}
bool
S9xIsMousePluggedIn (void)
{
enum controllers ctl;
int8 id1, id2, id3, id4;
for (int i = 0; i <= 1; i++)
{
S9xGetController (i, &ctl, &id1, &id2, &id3, &id4);
if (ctl == CTL_MOUSE)
return true;
}
return false;
}
bool
S9xGrabJoysticks (void)
{
if (joystick_lock)
return FALSE;
joystick_lock++;
return TRUE;
}
void
S9xReleaseJoysticks (void)
{
joystick_lock--;
return;
}
static void
swap_controllers_1_2 (void)
{
JoypadBinding interrim;
memcpy (&interrim,
&gui_config->pad[0],
sizeof (JoypadBinding));
memcpy (&gui_config->pad[0],
&gui_config->pad[1],
sizeof (JoypadBinding));
memcpy (&gui_config->pad[1],
&interrim,
sizeof (JoypadBinding));
gui_config->rebind_keys ();
return;
}
void
S9xHandlePortCommand (s9xcommand_t cmd, int16 data1, int16 data2)
{
static bool quit_binding_down = FALSE;
if (data1 == TRUE)
{
if (cmd.port[0] == PORT_QUIT)
quit_binding_down = TRUE;
}
if (data1 == FALSE) /* Release */
{
if (cmd.port[0] != PORT_QUIT)
{
quit_binding_down = FALSE;
}
if (cmd.port[0] == PORT_COMMAND_FULLSCREEN)
{
top_level->toggle_fullscreen_mode ();
}
else if (cmd.port[0] == PORT_COMMAND_SAVE_SPC)
{
top_level->save_spc_dialog ();
}
else if (cmd.port[0] == PORT_OPEN_ROM)
{
top_level->open_rom_dialog ();
}
else if (cmd.port[0] == PORT_PAUSE)
{
if (!(top_level->user_pause))
top_level->pause_from_user ();
else
top_level->unpause_from_user ();
}
else if (cmd.port[0] == PORT_SEEK_TO_FRAME)
{
top_level->movie_seek_dialog ();
}
else if (cmd.port[0] == PORT_SWAP_CONTROLLERS)
{
swap_controllers_1_2 ();
}
else if (cmd.port[0] == PORT_QUIT)
{
if (quit_binding_down)
S9xExit ();
}
}
return;
}
Binding
S9xGetBindingByName (const char *name)
{
for (int i = 0; i < NUM_EMU_LINKS; i++)
{
if (!strcasecmp (b_links[i + NUM_JOYPAD_LINKS].snes9x_name, name))
{
return gui_config->shortcut[i];
}
}
return Binding ();
}
s9xcommand_t
S9xGetPortCommandT (const char *name)
{
s9xcommand_t cmd;
cmd.type = S9xButtonPort;
cmd.multi_press = 0;
cmd.button_norpt = 0;
cmd.port[0] = 0;
cmd.port[1] = 0;
cmd.port[2] = 0;
cmd.port[3] = 0;
if (!strcasecmp (name, "GTK_fullscreen"))
{
cmd.port[0] = PORT_COMMAND_FULLSCREEN;
}
else if (!strcasecmp (name, "GTK_save_spc"))
{
cmd.port[0] = PORT_COMMAND_SAVE_SPC;
}
else if (!strcasecmp (name, "GTK_open_rom"))
{
cmd.port[0] = PORT_OPEN_ROM;
}
else if (!strcasecmp (name, "GTK_pause"))
{
cmd.port[0] = PORT_PAUSE;
}
else if (!strcasecmp (name, "GTK_seek_to_frame"))
{
cmd.port[0] = PORT_SEEK_TO_FRAME;
}
else if (!strcasecmp (name, "GTK_quit"))
{
cmd.port[0] = PORT_QUIT;
}
else if (!strcasecmp (name, "GTK_swap_controllers"))
{
cmd.port[0] = PORT_SWAP_CONTROLLERS;
}
else
{
cmd = S9xGetCommandT (name);
}
return cmd;
}
void
S9xProcessEvents (bool8 block)
{
#ifdef USE_JOYSTICK
JoyEvent event;
Binding binding;
if (S9xGrabJoysticks ())
{
for (int i = 0; gui_config->joystick[i]; i++)
{
while (gui_config->joystick[i]->get_event (&event))
{
binding = Binding (i, event.parameter, 0);
S9xReportButton (binding.hex (), event.state == JOY_PRESSED ? 1 : 0);
gui_config->screensaver_needs_reset = TRUE;
}
}
S9xReleaseJoysticks ();
}
#endif
return;
}
#ifdef USE_JOYSTICK
static void
poll_joystick_events (void)
{
SDL_Event event;
while (SDL_PollEvent (&event))
{
if (event.type == SDL_JOYAXISMOTION)
{
gui_config->joystick[event.jaxis.which]->handle_event (&event);
}
else if (event.type == SDL_JOYHATMOTION)
{
gui_config->joystick[event.jhat.which]->handle_event (&event);
}
else if (event.type == SDL_JOYBUTTONUP ||
event.type == SDL_JOYBUTTONDOWN)
{
gui_config->joystick[event.jbutton.which]->handle_event (&event);
}
}
return;
}
#endif
void
S9xInitInputDevices (void)
{
#ifdef USE_JOYSTICK
SDL_Init (SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);
for (int i = 0; ; i++)
{
gui_config->joystick = (JoyDevice **)
realloc (gui_config->joystick,
sizeof (JoyDevice *) * (i + 1));
gui_config->joystick[i] = new JoyDevice (i);
if (!gui_config->joystick[i]->enabled)
{
delete gui_config->joystick[i];
gui_config->joystick[i] = NULL;
break;
}
else
{
gui_config->joystick[i]->joynum = i;
}
}
#endif
return;
}
void
S9xDeinitInputDevices (void)
{
#ifdef USE_JOYSTICK
for (int i = 0; gui_config->joystick[i] != NULL; i++)
{
delete gui_config->joystick[i];
}
free (gui_config->joystick);
SDL_Quit ();
#endif
return;
}
#ifdef USE_JOYSTICK
JoyDevice::JoyDevice (unsigned int device_num)
{
enabled = false;
axis = NULL;
filedes = NULL;
mode = JOY_MODE_INDIVIDUAL;
if ((int) device_num >= SDL_NumJoysticks ())
return;
filedes = SDL_JoystickOpen (device_num);
if (!filedes)
return;
enabled = true;
num_axes = SDL_JoystickNumAxes (filedes);
num_hats = SDL_JoystickNumHats (filedes);
axis = (int *) malloc (sizeof (int) * num_axes);
hat = (int *) malloc (sizeof (int) * num_hats);
calibration = (Calibration *) malloc (sizeof (Calibration) * num_axes);
for (int i = 0; i < num_axes; i++)
{
calibration[i].min = -32767;
calibration[i].max = 32767;
calibration[i].center = 0;
}
memset (axis, 0, sizeof (int) * num_axes);
return;
}
JoyDevice::~JoyDevice (void)
{
if (enabled)
{
SDL_JoystickClose (filedes);
free (axis);
free (hat);
free (calibration);
}
enabled = false;
return;
}
void
JoyDevice::add_event (int parameter, int state)
{
JoyEvent event = { parameter, state };
queue.push (event);
return;
}
void
JoyDevice::register_centers (void)
{
for (int i = 0; i < num_axes; i++)
{
calibration[i].center = SDL_JoystickGetAxis (filedes, i);
/* Snap centers to specific target points */
if (calibration[i].center < -24576)
calibration[i].center = -32768;
else if (calibration[i].center < -8192)
calibration[i].center = -16384;
else if (calibration[i].center < 8192)
calibration[i].center = 0;
else if (calibration[i].center < 24576)
calibration[i].center = 16383;
else
calibration[i].center = 32767;
}
return;
}
void
JoyDevice::handle_event (SDL_Event *event)
{
if (event->type == SDL_JOYAXISMOTION)
{
int cal_min = calibration[event->jaxis.axis].min;
int cal_max = calibration[event->jaxis.axis].max;
int cal_cen = calibration[event->jaxis.axis].center;
int t = gui_config->joystick_threshold;
int ax_min = (cal_min - cal_cen) * t / 100 + cal_cen;
int ax_max = (cal_max - cal_cen) * t / 100 + cal_cen;
if (mode == JOY_MODE_INDIVIDUAL)
{
for (int i = 0; i < NUM_JOYPADS; i++)
{
Binding *pad = (Binding *) &(gui_config->pad[i]);
for (int j = 0; j < NUM_JOYPAD_LINKS; j++)
{
if (pad[j].get_axis () == event->jaxis.axis &&
pad[j].get_device () == (unsigned int) (joynum + 1))
{
t = pad[j].get_threshold ();
if (pad[j].is_positive ())
{
ax_max = (cal_max - cal_cen) * t / 100 + cal_cen;
}
else if (pad[j].is_negative ())
{
ax_min = (cal_min - cal_cen) * t / 100 + cal_cen;
}
}
}
}
for (int i = 0; i < NUM_EMU_LINKS; i++)
{
if (gui_config->shortcut[i].get_axis () == event->jaxis.axis &&
gui_config->shortcut[i].get_device () ==
(unsigned int) (joynum + 1))
{
t = gui_config->shortcut[i].get_threshold ();
if (gui_config->shortcut[i].is_positive ())
{
ax_max = (cal_max - cal_cen) * t / 100 + cal_cen;
}
else if (gui_config->shortcut[i].is_negative ())
{
ax_min = (cal_min - cal_cen) * t / 100 + cal_cen;
}
}
}
}
else if (mode == JOY_MODE_CALIBRATE)
{
if (event->jaxis.value < calibration[event->jaxis.axis].min)
calibration[event->jaxis.axis].min = event->jaxis.value;
if (event->jaxis.value > calibration[event->jaxis.axis].max)
calibration[event->jaxis.axis].min = event->jaxis.value;
}
/* Sanity Check */
if (ax_min >= cal_cen)
ax_min = cal_cen - 1;
if (ax_max <= cal_cen)
ax_max = cal_cen + 1;
if (event->jaxis.value <= ax_min &&
axis[event->jaxis.axis] > ax_min)
{
add_event (JOY_AXIS (event->jaxis.axis, AXIS_NEG), 1);
}
if (event->jaxis.value > ax_min &&
axis[event->jaxis.axis] <= ax_min)
{
add_event (JOY_AXIS (event->jaxis.axis, AXIS_NEG), 0);
}
if (event->jaxis.value >= ax_max &&
axis[event->jaxis.axis] < ax_max)
{
add_event (JOY_AXIS (event->jaxis.axis, AXIS_POS), 1);
}
if (event->jaxis.value < ax_max &&
axis[event->jaxis.axis] >= ax_max)
{
add_event (JOY_AXIS (event->jaxis.axis, AXIS_POS), 0);
}
axis[event->jaxis.axis] = event->jaxis.value;
}
else if (event->type == SDL_JOYBUTTONUP ||
event->type == SDL_JOYBUTTONDOWN)
{
add_event (event->jbutton.button,
event->jbutton.state == SDL_PRESSED ? 1 : 0);
}
else if (event->type == SDL_JOYHATMOTION)
{
if ((event->jhat.value & SDL_HAT_UP) &&
!(hat[event->jhat.hat] & SDL_HAT_UP))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2), AXIS_POS), 1);
}
if (!(event->jhat.value & SDL_HAT_UP) &&
(hat[event->jhat.hat] & SDL_HAT_UP))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2), AXIS_POS), 0);
}
if ((event->jhat.value & SDL_HAT_DOWN) &&
!(hat[event->jhat.hat] & SDL_HAT_DOWN))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2), AXIS_NEG), 1);
}
if (!(event->jhat.value & SDL_HAT_DOWN) &&
(hat[event->jhat.hat] & SDL_HAT_DOWN))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2), AXIS_NEG), 0);
}
if ((event->jhat.value & SDL_HAT_LEFT) &&
!(hat[event->jhat.hat] & SDL_HAT_LEFT))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2) + 1, AXIS_NEG), 1);
}
if (!(event->jhat.value & SDL_HAT_LEFT) &&
(hat[event->jhat.hat] & SDL_HAT_LEFT))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2) + 1, AXIS_NEG), 0);
}
if ((event->jhat.value & SDL_HAT_RIGHT) &&
!(hat[event->jhat.hat] & SDL_HAT_RIGHT))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2) + 1, AXIS_POS), 1);
}
if (!(event->jhat.value & SDL_HAT_RIGHT) &&
(hat[event->jhat.hat] & SDL_HAT_RIGHT))
{
add_event (JOY_AXIS (num_axes + (event->jhat.hat * 2) + 1, AXIS_POS), 0);
}
hat[event->jhat.hat] = event->jhat.value;
}
return;
}
int
JoyDevice::get_event (JoyEvent *event)
{
poll_events ();
if (queue.empty ())
return 0;
event->parameter = queue.front ().parameter;
event->state = queue.front ().state;
queue.pop ();
return 1;
}
void
JoyDevice::poll_events (void)
{
poll_joystick_events ();
return;
}
void
JoyDevice::flush (void)
{
SDL_Event event;
while (SDL_PollEvent (&event))
{
}
while (!queue.empty ())
queue.pop ();
return;
}
#endif