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dingusppc/core/hostevents_sdl.cpp
dingusdev e56d4e63f4
Merge pull request #76 from mihaip/upstream-mouse-grab2 
Add a basic mouse grab mode
2024-03-08 07:10:10 -07:00

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/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-23 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <core/hostevents.h>
#include <core/coresignal.h>
#include <cpu/ppc/ppcemu.h>
#include <devices/common/adb/adbkeyboard.h>
#include <loguru.hpp>
#include <SDL.h>
EventManager* EventManager::event_manager;
static int get_sdl_event_key_code(const SDL_KeyboardEvent &event);
static void toggle_mouse_grab(const SDL_KeyboardEvent &event);
void EventManager::poll_events()
{
SDL_Event event;
while (SDL_PollEvent(&event)) {
events_captured++;
switch (event.type) {
case SDL_QUIT:
power_on = false;
power_off_reason = po_shut_down;
break;
case SDL_WINDOWEVENT: {
WindowEvent we;
we.sub_type = event.window.event;
we.window_id = event.window.windowID;
this->_window_signal.emit(we);
}
break;
case SDL_KEYDOWN:
case SDL_KEYUP: {
// Internal shortcuts to trigger mouse grab, intentionally not
// sent to the host.
if (event.key.keysym.sym == SDLK_g && SDL_GetModState() == KMOD_LCTRL) {
if (event.type == SDL_KEYUP) {
toggle_mouse_grab(event.key);
}
return;
}
int key_code = get_sdl_event_key_code(event.key);
if (key_code != -1) {
KeyboardEvent ke;
ke.key = key_code;
if (event.type == SDL_KEYDOWN) {
ke.flags = KEYBOARD_EVENT_DOWN;
key_downs++;
} else {
ke.flags = KEYBOARD_EVENT_UP;
key_ups++;
}
// Caps Lock is a special case, since it's a toggle key
if (ke.key == AdbKey_CapsLock) {
ke.flags = SDL_GetModState() & KMOD_CAPS ?
KEYBOARD_EVENT_DOWN : KEYBOARD_EVENT_UP;
}
this->_keyboard_signal.emit(ke);
} else {
LOG_F(WARNING, "Unknown key %x pressed", event.key.keysym.sym);
}
}
break;
case SDL_MOUSEMOTION: {
MouseEvent me;
me.xrel = event.motion.xrel;
me.yrel = event.motion.yrel;
me.flags = MOUSE_EVENT_MOTION;
this->_mouse_signal.emit(me);
}
break;
case SDL_MOUSEBUTTONDOWN: {
MouseEvent me;
me.buttons_state = 1;
me.flags = MOUSE_EVENT_BUTTON;
this->_mouse_signal.emit(me);
}
break;
case SDL_MOUSEBUTTONUP: {
MouseEvent me;
me.buttons_state = 0;
me.flags = MOUSE_EVENT_BUTTON;
this->_mouse_signal.emit(me);
}
break;
default:
unhandled_events++;
}
}
// perform post-processing
this->_post_signal.emit();
}
static int get_sdl_event_key_code(const SDL_KeyboardEvent &event)
{
switch (event.keysym.sym) {
case SDLK_a: return AdbKey_A;
case SDLK_b: return AdbKey_B;
case SDLK_c: return AdbKey_C;
case SDLK_d: return AdbKey_D;
case SDLK_e: return AdbKey_E;
case SDLK_f: return AdbKey_F;
case SDLK_g: return AdbKey_G;
case SDLK_h: return AdbKey_H;
case SDLK_i: return AdbKey_I;
case SDLK_j: return AdbKey_J;
case SDLK_k: return AdbKey_K;
case SDLK_l: return AdbKey_L;
case SDLK_m: return AdbKey_M;
case SDLK_n: return AdbKey_N;
case SDLK_o: return AdbKey_O;
case SDLK_p: return AdbKey_P;
case SDLK_q: return AdbKey_Q;
case SDLK_r: return AdbKey_R;
case SDLK_s: return AdbKey_S;
case SDLK_t: return AdbKey_T;
case SDLK_u: return AdbKey_U;
case SDLK_v: return AdbKey_V;
case SDLK_w: return AdbKey_W;
case SDLK_x: return AdbKey_X;
case SDLK_y: return AdbKey_Y;
case SDLK_z: return AdbKey_Z;
case SDLK_1: return AdbKey_1;
case SDLK_2: return AdbKey_2;
case SDLK_3: return AdbKey_3;
case SDLK_4: return AdbKey_4;
case SDLK_5: return AdbKey_5;
case SDLK_6: return AdbKey_6;
case SDLK_7: return AdbKey_7;
case SDLK_8: return AdbKey_8;
case SDLK_9: return AdbKey_9;
case SDLK_0: return AdbKey_0;
case SDLK_ESCAPE: return AdbKey_Escape;
case SDLK_BACKQUOTE: return AdbKey_Grave;
case SDLK_MINUS: return AdbKey_Minus;
case SDLK_EQUALS: return AdbKey_Equal;
case SDLK_LEFTBRACKET: return AdbKey_LeftBracket;
case SDLK_RIGHTBRACKET: return AdbKey_RightBracket;
case SDLK_BACKSLASH: return AdbKey_Backslash;
case SDLK_SEMICOLON: return AdbKey_Semicolon;
case SDLK_QUOTE: return AdbKey_Quote;
case SDLK_COMMA: return AdbKey_Comma;
case SDLK_PERIOD: return AdbKey_Period;
case SDLK_SLASH: return AdbKey_Slash;
// Convert shifted variants to unshifted
case SDLK_EXCLAIM: return AdbKey_1;
case SDLK_AT: return AdbKey_2;
case SDLK_HASH: return AdbKey_3;
case SDLK_DOLLAR: return AdbKey_4;
case SDLK_UNDERSCORE: return AdbKey_Minus;
case SDLK_PLUS: return AdbKey_Equal;
case SDLK_COLON: return AdbKey_Semicolon;
case SDLK_QUOTEDBL: return AdbKey_Quote;
case SDLK_LESS: return AdbKey_Comma;
case SDLK_GREATER: return AdbKey_Period;
case SDLK_QUESTION: return AdbKey_Slash;
case SDLK_TAB: return AdbKey_Tab;
case SDLK_RETURN: return AdbKey_Return;
case SDLK_SPACE: return AdbKey_Space;
case SDLK_BACKSPACE: return AdbKey_Delete;
case SDLK_DELETE: return AdbKey_ForwardDelete;
case SDLK_INSERT: return AdbKey_Help;
case SDLK_HOME: return AdbKey_Home;
case SDLK_HELP: return AdbKey_Home;
case SDLK_END: return AdbKey_End;
case SDLK_PAGEUP: return AdbKey_PageUp;
case SDLK_PAGEDOWN: return AdbKey_PageDown;
case SDLK_LCTRL: return AdbKey_Control;
case SDLK_RCTRL: return AdbKey_Control;
case SDLK_LSHIFT: return AdbKey_Shift;
case SDLK_RSHIFT: return AdbKey_Shift;
case SDLK_LALT: return AdbKey_Option;
case SDLK_RALT: return AdbKey_Option;
case SDLK_LGUI: return AdbKey_Command;
case SDLK_RGUI: return AdbKey_Command;
case SDLK_MENU: return AdbKey_Grave;
case SDLK_CAPSLOCK: return AdbKey_CapsLock;
case SDLK_UP: return AdbKey_ArrowUp;
case SDLK_DOWN: return AdbKey_ArrowDown;
case SDLK_LEFT: return AdbKey_ArrowLeft;
case SDLK_RIGHT: return AdbKey_ArrowRight;
;
case SDLK_KP_0: return AdbKey_Keypad0;
case SDLK_KP_1: return AdbKey_Keypad1;
case SDLK_KP_2: return AdbKey_Keypad2;
case SDLK_KP_3: return AdbKey_Keypad3;
case SDLK_KP_4: return AdbKey_Keypad4;
case SDLK_KP_5: return AdbKey_Keypad5;
case SDLK_KP_6: return AdbKey_Keypad6;
case SDLK_KP_7: return AdbKey_Keypad7;
case SDLK_KP_9: return AdbKey_Keypad9;
case SDLK_KP_8: return AdbKey_Keypad8;
case SDLK_KP_PERIOD: return AdbKey_KeypadDecimal;
case SDLK_KP_PLUS: return AdbKey_KeypadPlus;
case SDLK_KP_MINUS: return AdbKey_KeypadMinus;
case SDLK_KP_MULTIPLY: return AdbKey_KeypadMultiply;
case SDLK_KP_DIVIDE: return AdbKey_KeypadDivide;
case SDLK_KP_ENTER: return AdbKey_KeypadEnter;
case SDLK_KP_EQUALS: return AdbKey_KeypadEquals;
case SDLK_NUMLOCKCLEAR: return AdbKey_KeypadClear;
;
case SDLK_F1: return AdbKey_F1;
case SDLK_F2: return AdbKey_F2;
case SDLK_F3: return AdbKey_F3;
case SDLK_F4: return AdbKey_F4;
case SDLK_F5: return AdbKey_F5;
case SDLK_F6: return AdbKey_F6;
case SDLK_F7: return AdbKey_F7;
case SDLK_F8: return AdbKey_F8;
case SDLK_F9: return AdbKey_F9;
case SDLK_F10: return AdbKey_F10;
case SDLK_F11: return AdbKey_F11;
case SDLK_F12: return AdbKey_F12;
case SDLK_PRINTSCREEN: return AdbKey_F13;
case SDLK_SCROLLLOCK: return AdbKey_F14;
case SDLK_PAUSE: return AdbKey_F15;
//International keyboard support
//Japanese keyboard
case SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_INTERNATIONAL3):
return AdbKey_JIS_Yen;
case SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_INTERNATIONAL1):
return AdbKey_JIS_Underscore;
case 0XBC:
return AdbKey_JIS_KP_Comma;
case 0X89:
return AdbKey_JIS_Eisu;
case SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_INTERNATIONAL2):
return AdbKey_JIS_Kana;
//German keyboard
case 0XB4: return AdbKey_Slash;
case 0X5E: return AdbKey_ISO1;
case 0XDF: return AdbKey_Minus; //Eszett
case 0XE4: return AdbKey_LeftBracket; //A-umlaut
case 0XF6: return AdbKey_Semicolon; //O-umlaut
case 0XFC: return AdbKey_LeftBracket; //U-umlaut
// French keyboard
case 0X29: return AdbKey_Minus; // Right parenthesis
case 0X43: return AdbKey_KeypadMultiply; // Star/Mu
//0XB2 is superscript 2. Which Mac key should this one map to?
case 0XF9: return AdbKey_Quote; // U-grave
// Italian keyboard
case 0XE0: return AdbKey_9; // A-grave
case 0XE8: return AdbKey_6; // E-grave
case 0XEC: return AdbKey_LeftBracket; // I-grave
case 0XF2: return AdbKey_KeypadMultiply; // O-grave
}
return -1;
}
static void toggle_mouse_grab(const SDL_KeyboardEvent &event) {
SDL_Window *window = SDL_GetWindowFromID(event.windowID);
if (SDL_GetRelativeMouseMode()) {
SDL_SetRelativeMouseMode(SDL_FALSE);
SDL_SetWindowTitle(window, "DingusPPC Display");
} else {
// If the mouse is initially outside the window, move it to the middle,
// so that clicks are handled by the window (instead making it lose
// focus, at least with macOS hosts).
int mouse_x, mouse_y, window_x, window_y, window_width, window_height;
SDL_GetGlobalMouseState(&mouse_x, &mouse_y);
SDL_GetWindowPosition(window, &window_x, &window_y);
SDL_GetWindowSize(window, &window_width, &window_height);
if (mouse_x < window_x || mouse_x >= window_x + window_width ||
mouse_y < window_y || mouse_y >= window_y + window_height) {
SDL_WarpMouseInWindow(window, window_width / 2, window_height / 2);
}
SDL_SetRelativeMouseMode(SDL_TRUE);
SDL_SetWindowTitle(window, "DingusPPC Display (Mouse Grabbed)");
}
}
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