godot/platform/haiku/haiku_direct_window.cpp
2015-08-12 22:14:40 +03:00

345 lines
8.3 KiB
C++

#include <UnicodeChar.h>
#include "main/main.h"
#include "os/keyboard.h"
#include "haiku_direct_window.h"
#include "key_mapping_haiku.h"
HaikuDirectWindow::HaikuDirectWindow(BRect p_frame)
: BDirectWindow(p_frame, "Godot", B_TITLED_WINDOW, B_QUIT_ON_WINDOW_CLOSE)
{
last_mouse_pos_valid = false;
last_buttons_state = 0;
last_button_mask = 0;
last_key_modifier_state = 0;
}
HaikuDirectWindow::~HaikuDirectWindow() {
if (update_runner) {
delete update_runner;
}
}
void HaikuDirectWindow::SetHaikuGLView(HaikuGLView* p_view) {
view = p_view;
}
void HaikuDirectWindow::StartMessageRunner() {
update_runner = new BMessageRunner(BMessenger(this),
new BMessage(REDRAW_MSG), 1000000/30 /* 30 fps */);
}
void HaikuDirectWindow::StopMessageRunner() {
delete update_runner;
}
void HaikuDirectWindow::SetInput(InputDefault* p_input) {
input = p_input;
}
void HaikuDirectWindow::SetMainLoop(MainLoop* p_main_loop) {
main_loop = p_main_loop;
}
bool HaikuDirectWindow::QuitRequested() {
main_loop->notification(MainLoop::NOTIFICATION_WM_QUIT_REQUEST);
return false;
}
void HaikuDirectWindow::DirectConnected(direct_buffer_info* info) {
view->DirectConnected(info);
view->EnableDirectMode(true);
}
void HaikuDirectWindow::MessageReceived(BMessage* message) {
switch (message->what) {
case REDRAW_MSG:
if (Main::iteration() == true) {
view->EnableDirectMode(false);
Quit();
}
break;
default:
BDirectWindow::MessageReceived(message);
}
}
void HaikuDirectWindow::DispatchMessage(BMessage* message, BHandler* handler) {
switch (message->what) {
case B_MOUSE_DOWN:
case B_MOUSE_UP:
HandleMouseButton(message);
break;
case B_MOUSE_MOVED:
HandleMouseMoved(message);
break;
case B_MOUSE_WHEEL_CHANGED:
HandleMouseWheelChanged(message);
break;
case B_KEY_DOWN:
case B_KEY_UP:
HandleKeyboardEvent(message);
break;
case B_MODIFIERS_CHANGED:
HandleKeyboardModifierEvent(message);
break;
case B_WINDOW_RESIZED:
HandleWindowResized(message);
break;
case LOCKGL_MSG:
view->LockGL();
break;
case UNLOCKGL_MSG:
view->UnlockGL();
break;
default:
BDirectWindow::DispatchMessage(message, handler);
}
}
void HaikuDirectWindow::HandleMouseButton(BMessage* message) {
BPoint where;
if (message->FindPoint("where", &where) != B_OK) {
return;
}
uint32 modifiers = message->FindInt32("modifiers");
uint32 buttons = message->FindInt32("buttons");
uint32 button = buttons ^ last_buttons_state;
last_buttons_state = buttons;
// TODO: implement the mouse_mode checks
//if (mouse_mode == MOUSE_MODE_CAPTURED) {
// event.xbutton.x=last_mouse_pos.x;
// event.xbutton.y=last_mouse_pos.y;
//}
InputEvent mouse_event;
mouse_event.ID = ++event_id;
mouse_event.type = InputEvent::MOUSE_BUTTON;
mouse_event.device = 0;
mouse_event.mouse_button.mod = GetKeyModifierState(modifiers);
mouse_event.mouse_button.button_mask = GetMouseButtonState(buttons);
mouse_event.mouse_button.x = where.x;
mouse_event.mouse_button.y = where.y;
mouse_event.mouse_button.global_x = where.x;
mouse_event.mouse_button.global_y = where.y;
switch (button) {
default:
case B_PRIMARY_MOUSE_BUTTON:
mouse_event.mouse_button.button_index = 1;
break;
case B_SECONDARY_MOUSE_BUTTON:
mouse_event.mouse_button.button_index = 2;
break;
case B_TERTIARY_MOUSE_BUTTON:
mouse_event.mouse_button.button_index = 3;
break;
}
mouse_event.mouse_button.pressed = (message->what == B_MOUSE_DOWN);
if (message->what == B_MOUSE_DOWN && mouse_event.mouse_button.button_index == 1) {
int32 clicks = message->FindInt32("clicks");
if (clicks > 1) {
mouse_event.mouse_button.doubleclick=true;
}
}
input->parse_input_event(mouse_event);
}
void HaikuDirectWindow::HandleMouseMoved(BMessage* message) {
BPoint where;
if (message->FindPoint("where", &where) != B_OK) {
return;
}
Point2i pos(where.x, where.y);
uint32 modifiers = message->FindInt32("modifiers");
uint32 buttons = message->FindInt32("buttons");
if (!last_mouse_pos_valid) {
last_mouse_position = pos;
last_mouse_pos_valid = true;
}
Point2i rel = pos - last_mouse_position;
InputEvent motion_event;
motion_event.ID = ++event_id;
motion_event.type = InputEvent::MOUSE_MOTION;
motion_event.device = 0;
motion_event.mouse_motion.mod = GetKeyModifierState(modifiers);
motion_event.mouse_motion.button_mask = GetMouseButtonState(buttons);
motion_event.mouse_motion.x = pos.x;
motion_event.mouse_motion.y = pos.y;
input->set_mouse_pos(pos);
motion_event.mouse_motion.global_x = pos.x;
motion_event.mouse_motion.global_y = pos.y;
motion_event.mouse_motion.speed_x = input->get_mouse_speed().x;
motion_event.mouse_motion.speed_y = input->get_mouse_speed().y;
motion_event.mouse_motion.relative_x = rel.x;
motion_event.mouse_motion.relative_y = rel.y;
last_mouse_position = pos;
input->parse_input_event(motion_event);
}
void HaikuDirectWindow::HandleMouseWheelChanged(BMessage* message) {
float wheel_delta_y = 0;
if (message->FindFloat("be:wheel_delta_y", &wheel_delta_y) != B_OK) {
return;
}
InputEvent mouse_event;
mouse_event.ID = ++event_id;
mouse_event.type = InputEvent::MOUSE_BUTTON;
mouse_event.device = 0;
mouse_event.mouse_button.button_index = wheel_delta_y < 0 ? 4 : 5;
mouse_event.mouse_button.mod = GetKeyModifierState(last_key_modifier_state);
mouse_event.mouse_button.button_mask = last_button_mask;
mouse_event.mouse_button.x = last_mouse_position.x;
mouse_event.mouse_button.y = last_mouse_position.y;
mouse_event.mouse_button.global_x = last_mouse_position.x;
mouse_event.mouse_button.global_y = last_mouse_position.y;
mouse_event.mouse_button.pressed = true;
input->parse_input_event(mouse_event);
mouse_event.ID = ++event_id;
mouse_event.mouse_button.pressed = false;
input->parse_input_event(mouse_event);
}
void HaikuDirectWindow::HandleKeyboardEvent(BMessage* message) {
int32 raw_char = 0;
int32 key = 0;
int32 modifiers = 0;
if (message->FindInt32("raw_char", &raw_char) != B_OK) {
return;
}
if (message->FindInt32("key", &key) != B_OK) {
return;
}
if (message->FindInt32("modifiers", &modifiers) != B_OK) {
return;
}
InputEvent event;
event.ID = ++event_id;
event.type = InputEvent::KEY;
event.device = 0;
event.key.mod = GetKeyModifierState(modifiers);
event.key.pressed = (message->what == B_KEY_DOWN);
event.key.scancode = KeyMappingHaiku::get_keysym(raw_char, key);
event.key.echo = message->HasInt32("be:key_repeat");
event.key.unicode = 0;
const char* bytes = NULL;
if (message->FindString("bytes", &bytes) == B_OK) {
event.key.unicode = BUnicodeChar::FromUTF8(&bytes);
}
//make it consistent accross platforms.
if (event.key.scancode==KEY_BACKTAB) {
event.key.scancode=KEY_TAB;
event.key.mod.shift=true;
}
input->parse_input_event(event);
}
void HaikuDirectWindow::HandleKeyboardModifierEvent(BMessage* message) {
int32 old_modifiers = 0;
int32 modifiers = 0;
if (message->FindInt32("be:old_modifiers", &old_modifiers) != B_OK) {
return;
}
if (message->FindInt32("modifiers", &modifiers) != B_OK) {
return;
}
int32 key = old_modifiers ^ modifiers;
InputEvent event;
event.ID = ++event_id;
event.type = InputEvent::KEY;
event.device = 0;
event.key.mod = GetKeyModifierState(modifiers);
event.key.pressed = ((modifiers & key) != 0);
event.key.scancode = KeyMappingHaiku::get_modifier_keysym(key);
event.key.echo = false;
event.key.unicode = 0;
input->parse_input_event(event);
}
void HaikuDirectWindow::HandleWindowResized(BMessage* message) {
int32 width = 0;
int32 height = 0;
if ((message->FindInt32("width", &width) != B_OK) || (message->FindInt32("height", &height) != B_OK)) {
return;
}
current_video_mode->width = width;
current_video_mode->height = height;
}
inline InputModifierState HaikuDirectWindow::GetKeyModifierState(uint32 p_state) {
last_key_modifier_state = p_state;
InputModifierState state;
state.shift = (p_state & B_SHIFT_KEY) != 0;
state.control = (p_state & B_CONTROL_KEY) != 0;
state.alt = (p_state & B_OPTION_KEY) != 0;
state.meta = (p_state & B_COMMAND_KEY) != 0;
return state;
}
inline int HaikuDirectWindow::GetMouseButtonState(uint32 p_state) {
int state = 0;
if (p_state & B_PRIMARY_MOUSE_BUTTON) {
state |= 1 << 0;
}
if (p_state & B_SECONDARY_MOUSE_BUTTON) {
state |= 1 << 1;
}
if (p_state & B_TERTIARY_MOUSE_BUTTON) {
state |= 1 << 2;
}
last_button_mask = state;
return state;
}