mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-25 15:19:53 -06:00
merge doublemelon (#2067)
non-exhaustive (but exhausting) list of changes: * base laid for multiple window support, but will likely require more work to work correctly * encapsulation of frontend state for proper multi-instance support * (JIT still needs a fix for the NDS::Current workaround but we can get there later) * new, more flexible configuration system
This commit is contained in:
Arisotura
307
src/frontend/qt_sdl/EmuInstanceInput.cpp
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307
src/frontend/qt_sdl/EmuInstanceInput.cpp
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/*
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Copyright 2016-2023 melonDS team
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This file is part of melonDS.
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melonDS is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with melonDS. If not, see http://www.gnu.org/licenses/.
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*/
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#include <QKeyEvent>
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#include <SDL2/SDL.h>
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#include "main.h"
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#include "Config.h"
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using namespace melonDS;
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const char* EmuInstance::buttonNames[12] =
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{
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"A",
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"B",
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"Select",
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"Start",
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"Right",
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"Left",
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"Up",
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"Down",
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"R",
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"L",
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"X",
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"Y"
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};
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const char* EmuInstance::hotkeyNames[HK_MAX] =
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{
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"HK_Lid",
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"HK_Mic",
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"HK_Pause",
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"HK_Reset",
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"HK_FastForward",
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"HK_FastForwardToggle",
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"HK_FullscreenToggle",
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"HK_SwapScreens",
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"HK_SwapScreenEmphasis",
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"HK_SolarSensorDecrease",
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"HK_SolarSensorIncrease",
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"HK_FrameStep",
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"HK_PowerButton",
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"HK_VolumeUp",
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"HK_VolumeDown"
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};
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void EmuInstance::inputInit()
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{
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keyInputMask = 0xFFF;
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joyInputMask = 0xFFF;
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inputMask = 0xFFF;
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keyHotkeyMask = 0;
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joyHotkeyMask = 0;
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hotkeyMask = 0;
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lastHotkeyMask = 0;
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joystick = nullptr;
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inputLoadConfig();
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}
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void EmuInstance::inputDeInit()
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{
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closeJoystick();
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}
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void EmuInstance::inputLoadConfig()
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{
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Config::Table keycfg = localCfg.GetTable("Keyboard");
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Config::Table joycfg = localCfg.GetTable("Joystick");
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for (int i = 0; i < 12; i++)
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{
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keyMapping[i] = keycfg.GetInt(buttonNames[i]);
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joyMapping[i] = joycfg.GetInt(buttonNames[i]);
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}
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for (int i = 0; i < HK_MAX; i++)
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{
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hkKeyMapping[i] = keycfg.GetInt(hotkeyNames[i]);
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hkJoyMapping[i] = joycfg.GetInt(hotkeyNames[i]);
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}
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setJoystick(localCfg.GetInt("JoystickID"));
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}
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void EmuInstance::setJoystick(int id)
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{
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joystickID = id;
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openJoystick();
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}
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void EmuInstance::openJoystick()
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{
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if (joystick) SDL_JoystickClose(joystick);
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int num = SDL_NumJoysticks();
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if (num < 1)
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{
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joystick = nullptr;
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return;
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}
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if (joystickID >= num)
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joystickID = 0;
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joystick = SDL_JoystickOpen(joystickID);
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}
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void EmuInstance::closeJoystick()
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{
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if (joystick)
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{
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SDL_JoystickClose(joystick);
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joystick = nullptr;
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}
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}
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// distinguish between left and right modifier keys (Ctrl, Alt, Shift)
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// Qt provides no real cross-platform way to do this, so here we go
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// for Windows and Linux we can distinguish via scancodes (but both
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// provide different scancodes)
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bool isRightModKey(QKeyEvent* event)
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{
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#ifdef __WIN32__
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quint32 scan = event->nativeScanCode();
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return (scan == 0x11D || scan == 0x138 || scan == 0x36);
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#elif __APPLE__
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quint32 scan = event->nativeVirtualKey();
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return (scan == 0x36 || scan == 0x3C || scan == 0x3D || scan == 0x3E);
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#else
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quint32 scan = event->nativeScanCode();
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return (scan == 0x69 || scan == 0x6C || scan == 0x3E);
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#endif
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}
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int getEventKeyVal(QKeyEvent* event)
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{
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int key = event->key();
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int mod = event->modifiers();
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bool ismod = (key == Qt::Key_Control ||
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key == Qt::Key_Alt ||
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key == Qt::Key_AltGr ||
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key == Qt::Key_Shift ||
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key == Qt::Key_Meta);
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if (!ismod)
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key |= mod;
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else if (isRightModKey(event))
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key |= (1<<31);
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return key;
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}
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void EmuInstance::onKeyPress(QKeyEvent* event)
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{
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int keyHK = getEventKeyVal(event);
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int keyKP = keyHK;
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if (event->modifiers() != Qt::KeypadModifier)
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keyKP &= ~event->modifiers();
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for (int i = 0; i < 12; i++)
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if (keyKP == keyMapping[i])
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keyInputMask &= ~(1<<i);
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for (int i = 0; i < HK_MAX; i++)
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if (keyHK == hkKeyMapping[i])
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keyHotkeyMask |= (1<<i);
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}
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void EmuInstance::onKeyRelease(QKeyEvent* event)
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{
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int keyHK = getEventKeyVal(event);
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int keyKP = keyHK;
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if (event->modifiers() != Qt::KeypadModifier)
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keyKP &= ~event->modifiers();
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for (int i = 0; i < 12; i++)
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if (keyKP == keyMapping[i])
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keyInputMask |= (1<<i);
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for (int i = 0; i < HK_MAX; i++)
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if (keyHK == hkKeyMapping[i])
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keyHotkeyMask &= ~(1<<i);
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}
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void EmuInstance::keyReleaseAll()
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{
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keyInputMask = 0xFFF;
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keyHotkeyMask = 0;
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}
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bool EmuInstance::joystickButtonDown(int val)
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{
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if (val == -1) return false;
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bool hasbtn = ((val & 0xFFFF) != 0xFFFF);
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if (hasbtn)
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{
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if (val & 0x100)
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{
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int hatnum = (val >> 4) & 0xF;
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int hatdir = val & 0xF;
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Uint8 hatval = SDL_JoystickGetHat(joystick, hatnum);
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bool pressed = false;
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if (hatdir == 0x1) pressed = (hatval & SDL_HAT_UP);
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else if (hatdir == 0x4) pressed = (hatval & SDL_HAT_DOWN);
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else if (hatdir == 0x2) pressed = (hatval & SDL_HAT_RIGHT);
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else if (hatdir == 0x8) pressed = (hatval & SDL_HAT_LEFT);
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if (pressed) return true;
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}
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else
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{
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int btnnum = val & 0xFFFF;
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Uint8 btnval = SDL_JoystickGetButton(joystick, btnnum);
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if (btnval) return true;
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}
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}
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if (val & 0x10000)
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{
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int axisnum = (val >> 24) & 0xF;
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int axisdir = (val >> 20) & 0xF;
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Sint16 axisval = SDL_JoystickGetAxis(joystick, axisnum);
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switch (axisdir)
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{
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case 0: // positive
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if (axisval > 16384) return true;
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break;
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case 1: // negative
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if (axisval < -16384) return true;
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break;
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case 2: // trigger
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if (axisval > 0) return true;
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break;
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}
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}
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return false;
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}
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void EmuInstance::inputProcess()
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{
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SDL_JoystickUpdate();
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if (joystick)
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{
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if (!SDL_JoystickGetAttached(joystick))
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{
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SDL_JoystickClose(joystick);
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joystick = nullptr;
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}
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}
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if (!joystick && (SDL_NumJoysticks() > 0))
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{
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openJoystick();
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}
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joyInputMask = 0xFFF;
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if (joystick)
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{
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for (int i = 0; i < 12; i++)
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if (joystickButtonDown(joyMapping[i]))
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joyInputMask &= ~(1 << i);
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}
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inputMask = keyInputMask & joyInputMask;
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joyHotkeyMask = 0;
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if (joystick)
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{
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for (int i = 0; i < HK_MAX; i++)
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if (joystickButtonDown(hkJoyMapping[i]))
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joyHotkeyMask |= (1 << i);
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}
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hotkeyMask = keyHotkeyMask | joyHotkeyMask;
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hotkeyPress = hotkeyMask & ~lastHotkeyMask;
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hotkeyRelease = lastHotkeyMask & ~hotkeyMask;
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lastHotkeyMask = hotkeyMask;
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}
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