From bf7280b55bffd568b00d5145f5799c7f73114ffc Mon Sep 17 00:00:00 2001 From: erorcun Date: Thu, 18 Feb 2021 03:44:02 +0300 Subject: [PATCH] Get keyboard input from X11 on Linux --- premake5.lua | 4 +- src/skel/glfw/glfw.cpp | 309 ++++++++++++++++++++++++++++++++++++++++- 2 files changed, 305 insertions(+), 8 deletions(-) diff --git a/premake5.lua b/premake5.lua index 09887c17..fd59c1f8 100644 --- a/premake5.lua +++ b/premake5.lua @@ -342,10 +342,10 @@ project "re3" libdirs { "vendor/openal-soft/libs/Win64" } filter "platforms:linux*oal" - links { "openal", "mpg123", "sndfile", "pthread" } + links { "openal", "mpg123", "sndfile", "pthread", "X11" } filter "platforms:bsd*oal" - links { "openal", "mpg123", "sndfile", "pthread" } + links { "openal", "mpg123", "sndfile", "pthread", "X11" } filter "platforms:macosx*oal" links { "openal", "mpg123", "sndfile", "pthread" } diff --git a/src/skel/glfw/glfw.cpp b/src/skel/glfw/glfw.cpp index baed9000..8d3fc7d7 100644 --- a/src/skel/glfw/glfw.cpp +++ b/src/skel/glfw/glfw.cpp @@ -50,17 +50,30 @@ long _dwOperatingSystemVersion; #include "Font.h" #include "MemoryMgr.h" -#define MAX_SUBSYSTEMS (16) +// We found out that GLFW's keyboard input handling is still pretty delayed/not stable, so now we fetch input from X11 directly on Linux. +#if !defined _WIN32 && !defined __APPLE__ && !defined __SWITCH__ // && !defined WAYLAND +#define GET_KEYBOARD_INPUT_FROM_X11 +#endif + +#ifdef GET_KEYBOARD_INPUT_FROM_X11 +#include +#include +#define GLFW_EXPOSE_NATIVE_X11 +#include +#endif #ifdef _WIN32 #define GLFW_EXPOSE_NATIVE_WIN32 #include #endif +#define MAX_SUBSYSTEMS (16) rw::EngineOpenParams openParams; static RwBool ForegroundApp = TRUE; +static RwBool WindowIconified = FALSE; +static RwBool WindowFocused = TRUE; static RwBool RwInitialised = FALSE; @@ -322,7 +335,9 @@ psInitialize(void) RsGlobal.ps = &PsGlobal; PsGlobal.fullScreen = FALSE; - PsGlobal.cursorIsInWindow = TRUE; + PsGlobal.cursorIsInWindow = FALSE; + WindowFocused = TRUE; + WindowIconified = FALSE; PsGlobal.joy1id = -1; PsGlobal.joy2id = -1; @@ -838,11 +853,15 @@ psSelectDevice() return TRUE; } +#ifndef GET_KEYBOARD_INPUT_FROM_X11 void keypressCB(GLFWwindow* window, int key, int scancode, int action, int mods); +#endif void resizeCB(GLFWwindow* window, int width, int height); void scrollCB(GLFWwindow* window, double xoffset, double yoffset); void cursorCB(GLFWwindow* window, double xpos, double ypos); void cursorEnterCB(GLFWwindow* window, int entered); +void windowFocusCB(GLFWwindow* window, int focused); +void windowIconifyCB(GLFWwindow* window, int iconified); void joysChangeCB(int jid, int event); bool IsThisJoystickBlacklisted(int i) @@ -930,11 +949,15 @@ void psPostRWinit(void) RwVideoMode vm; RwEngineGetVideoModeInfo(&vm, GcurSelVM); +#ifndef GET_KEYBOARD_INPUT_FROM_X11 glfwSetKeyCallback(PSGLOBAL(window), keypressCB); +#endif glfwSetFramebufferSizeCallback(PSGLOBAL(window), resizeCB); glfwSetScrollCallback(PSGLOBAL(window), scrollCB); glfwSetCursorPosCallback(PSGLOBAL(window), cursorCB); glfwSetCursorEnterCallback(PSGLOBAL(window), cursorEnterCB); + glfwSetWindowIconifyCallback(PSGLOBAL(window), windowIconifyCB); + glfwSetWindowFocusCallback(PSGLOBAL(window), windowFocusCB); glfwSetJoystickCallback(joysChangeCB); _InputInitialiseJoys(); @@ -1286,6 +1309,10 @@ void scrollCB(GLFWwindow* window, double xoffset, double yoffset) { PSGLOBAL(mouseWheel) = yoffset; } +bool lshiftStatus = false; +bool rshiftStatus = false; + +#ifndef GET_KEYBOARD_INPUT_FROM_X11 int keymap[GLFW_KEY_LAST + 1]; static void @@ -1416,9 +1443,6 @@ initkeymap(void) keymap[GLFW_KEY_MENU] = rsNULL; } -bool lshiftStatus = false; -bool rshiftStatus = false; - void keypressCB(GLFWwindow* window, int key, int scancode, int action, int mods) { @@ -1436,6 +1460,266 @@ keypressCB(GLFWwindow* window, int key, int scancode, int action, int mods) } } +#else + +uint32 keymap[512]; // 256 ascii + 256 KeySyms between 0xff00 - 0xffff +bool keyStates[512]; +uint32 keyCodeToKeymapIndex[256]; // cache for physical keys + +#define KEY_MAP_OFFSET (0xff00 - 256) +static void +initkeymap(void) +{ + Display *display = glfwGetX11Display(); + int i; + + for (i = 0; i < ARRAY_SIZE(keymap); i++) + keymap[i] = rsNULL; + + // You can add new ASCII mappings to here freely (but beware that if right hand side of assignment isn't supported on CFont, it'll be blank/won't work on binding screen) + // Right hand side of assigments should always be uppercase counterpart of character + keymap[XK_space] = ' '; + keymap[XK_apostrophe] = '\''; + keymap[XK_ampersand] = '&'; + keymap[XK_percent] = '%'; + keymap[XK_dollar] = '$'; + keymap[XK_comma] = ','; + keymap[XK_minus] = '-'; + keymap[XK_period] = '.'; + keymap[XK_slash] = '/'; + keymap[XK_question] = '?'; + keymap[XK_exclam] = '!'; + keymap[XK_quotedbl] = '"'; + keymap[XK_colon] = ':'; + keymap[XK_semicolon] = ';'; + keymap[XK_equal] = '='; + keymap[XK_bracketleft] = '['; + keymap[XK_backslash] = '\\'; + keymap[XK_bracketright] = ']'; + keymap[XK_grave] = '`'; + keymap[XK_0] = '0'; + keymap[XK_1] = '1'; + keymap[XK_2] = '2'; + keymap[XK_3] = '3'; + keymap[XK_4] = '4'; + keymap[XK_5] = '5'; + keymap[XK_6] = '6'; + keymap[XK_7] = '7'; + keymap[XK_8] = '8'; + keymap[XK_9] = '9'; + keymap[XK_a] = 'A'; + keymap[XK_b] = 'B'; + keymap[XK_c] = 'C'; + keymap[XK_d] = 'D'; + keymap[XK_e] = 'E'; + keymap[XK_f] = 'F'; + keymap[XK_g] = 'G'; + keymap[XK_h] = 'H'; + keymap[XK_i] = 'I'; + keymap[XK_I] = 'I'; // Turkish I problem + keymap[XK_j] = 'J'; + keymap[XK_k] = 'K'; + keymap[XK_l] = 'L'; + keymap[XK_m] = 'M'; + keymap[XK_n] = 'N'; + keymap[XK_o] = 'O'; + keymap[XK_p] = 'P'; + keymap[XK_q] = 'Q'; + keymap[XK_r] = 'R'; + keymap[XK_s] = 'S'; + keymap[XK_t] = 'T'; + keymap[XK_u] = 'U'; + keymap[XK_v] = 'V'; + keymap[XK_w] = 'W'; + keymap[XK_x] = 'X'; + keymap[XK_y] = 'Y'; + keymap[XK_z] = 'Z'; + + // Some of regional but ASCII characters that GTA supports + keymap[XK_agrave] = 0x00c0; + keymap[XK_aacute] = 0x00c1; + keymap[XK_acircumflex] = 0x00c2; + keymap[XK_adiaeresis] = 0x00c4; + + keymap[XK_ae] = 0x00c6; + + keymap[XK_egrave] = 0x00c8; + keymap[XK_eacute] = 0x00c9; + keymap[XK_ecircumflex] = 0x00ca; + keymap[XK_ediaeresis] = 0x00cb; + + keymap[XK_igrave] = 0x00cc; + keymap[XK_iacute] = 0x00cd; + keymap[XK_icircumflex] = 0x00ce; + keymap[XK_idiaeresis] = 0x00cf; + + keymap[XK_ccedilla] = 0x00c7; + keymap[XK_odiaeresis] = 0x00d6; + keymap[XK_udiaeresis] = 0x00dc; + + // These are 0xff00 - 0xffff range of KeySym's, and subtracting KEY_MAP_OFFSET is needed + keymap[XK_Escape - KEY_MAP_OFFSET] = rsESC; + keymap[XK_Return - KEY_MAP_OFFSET] = rsENTER; + keymap[XK_Tab - KEY_MAP_OFFSET] = rsTAB; + keymap[XK_BackSpace - KEY_MAP_OFFSET] = rsBACKSP; + keymap[XK_Insert - KEY_MAP_OFFSET] = rsINS; + keymap[XK_Delete - KEY_MAP_OFFSET] = rsDEL; + keymap[XK_Right - KEY_MAP_OFFSET] = rsRIGHT; + keymap[XK_Left - KEY_MAP_OFFSET] = rsLEFT; + keymap[XK_Down - KEY_MAP_OFFSET] = rsDOWN; + keymap[XK_Up - KEY_MAP_OFFSET] = rsUP; + keymap[XK_Page_Up - KEY_MAP_OFFSET] = rsPGUP; + keymap[XK_Page_Down - KEY_MAP_OFFSET] = rsPGDN; + keymap[XK_Home - KEY_MAP_OFFSET] = rsHOME; + keymap[XK_End - KEY_MAP_OFFSET] = rsEND; + keymap[XK_Caps_Lock - KEY_MAP_OFFSET] = rsCAPSLK; + keymap[XK_Scroll_Lock - KEY_MAP_OFFSET] = rsSCROLL; + keymap[XK_Num_Lock - KEY_MAP_OFFSET] = rsNUMLOCK; + keymap[XK_Pause - KEY_MAP_OFFSET] = rsPAUSE; + + keymap[XK_F1 - KEY_MAP_OFFSET] = rsF1; + keymap[XK_F2 - KEY_MAP_OFFSET] = rsF2; + keymap[XK_F3 - KEY_MAP_OFFSET] = rsF3; + keymap[XK_F4 - KEY_MAP_OFFSET] = rsF4; + keymap[XK_F5 - KEY_MAP_OFFSET] = rsF5; + keymap[XK_F6 - KEY_MAP_OFFSET] = rsF6; + keymap[XK_F7 - KEY_MAP_OFFSET] = rsF7; + keymap[XK_F8 - KEY_MAP_OFFSET] = rsF8; + keymap[XK_F9 - KEY_MAP_OFFSET] = rsF9; + keymap[XK_F10 - KEY_MAP_OFFSET] = rsF10; + keymap[XK_F11 - KEY_MAP_OFFSET] = rsF11; + keymap[XK_F12 - KEY_MAP_OFFSET] = rsF12; + keymap[XK_F13 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F14 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F15 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F16 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F17 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F18 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F19 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F20 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F21 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F22 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F23 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F24 - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_F25 - KEY_MAP_OFFSET] = rsNULL; + + keymap[XK_KP_0 - KEY_MAP_OFFSET] = rsPADINS; + keymap[XK_KP_1 - KEY_MAP_OFFSET] = rsPADEND; + keymap[XK_KP_2 - KEY_MAP_OFFSET] = rsPADDOWN; + keymap[XK_KP_3 - KEY_MAP_OFFSET] = rsPADPGDN; + keymap[XK_KP_4 - KEY_MAP_OFFSET] = rsPADLEFT; + keymap[XK_KP_5 - KEY_MAP_OFFSET] = rsPAD5; + keymap[XK_KP_6 - KEY_MAP_OFFSET] = rsPADRIGHT; + keymap[XK_KP_7 - KEY_MAP_OFFSET] = rsPADHOME; + keymap[XK_KP_8 - KEY_MAP_OFFSET] = rsPADUP; + keymap[XK_KP_9 - KEY_MAP_OFFSET] = rsPADPGUP; + keymap[XK_KP_Insert - KEY_MAP_OFFSET] = rsPADINS; + keymap[XK_KP_End - KEY_MAP_OFFSET] = rsPADEND; + keymap[XK_KP_Down - KEY_MAP_OFFSET] = rsPADDOWN; + keymap[XK_KP_Page_Down - KEY_MAP_OFFSET] = rsPADPGDN; + keymap[XK_KP_Left - KEY_MAP_OFFSET] = rsPADLEFT; + keymap[XK_KP_Begin - KEY_MAP_OFFSET] = rsPAD5; + keymap[XK_KP_Right - KEY_MAP_OFFSET] = rsPADRIGHT; + keymap[XK_KP_Home - KEY_MAP_OFFSET] = rsPADHOME; + keymap[XK_KP_Up - KEY_MAP_OFFSET] = rsPADUP; + keymap[XK_KP_Page_Up - KEY_MAP_OFFSET] = rsPADPGUP; + + keymap[XK_KP_Decimal - KEY_MAP_OFFSET] = rsPADDEL; + keymap[XK_KP_Divide - KEY_MAP_OFFSET] = rsDIVIDE; + keymap[XK_KP_Multiply - KEY_MAP_OFFSET] = rsTIMES; + keymap[XK_KP_Subtract - KEY_MAP_OFFSET] = rsMINUS; + keymap[XK_KP_Add - KEY_MAP_OFFSET] = rsPLUS; + keymap[XK_KP_Enter - KEY_MAP_OFFSET] = rsPADENTER; + keymap[XK_KP_Equal - KEY_MAP_OFFSET] = rsNULL; + keymap[XK_Shift_L - KEY_MAP_OFFSET] = rsLSHIFT; + keymap[XK_Control_L - KEY_MAP_OFFSET] = rsLCTRL; + keymap[XK_Alt_L - KEY_MAP_OFFSET] = rsLALT; + keymap[XK_Super_L - KEY_MAP_OFFSET] = rsLWIN; + keymap[XK_Shift_R - KEY_MAP_OFFSET] = rsRSHIFT; + keymap[XK_Control_R - KEY_MAP_OFFSET] = rsRCTRL; + keymap[XK_Alt_R - KEY_MAP_OFFSET] = rsRALT; + keymap[XK_Super_R - KEY_MAP_OFFSET] = rsRWIN; + keymap[XK_Menu - KEY_MAP_OFFSET] = rsNULL; + + // Cache the key codes' key symbol equivelants, otherwise we will have to do it on each frame + // KeyCode is always in [0,255], and represents a physical key + + int min_keycode, max_keycode, keysyms_per_keycode; + KeySym *keymap, *origkeymap; + + char *keyboardLang = setlocale (LC_CTYPE, NULL); + setlocale(LC_CTYPE, ""); + + XDisplayKeycodes(display, &min_keycode, &max_keycode); + origkeymap = XGetKeyboardMapping(display, min_keycode, (max_keycode - min_keycode + 1), &keysyms_per_keycode); + keymap = origkeymap; + for (int i = min_keycode; i <= max_keycode; i++) { + int j, lastKeysym; + + lastKeysym = keysyms_per_keycode - 1; + while ((lastKeysym >= 0) && (keymap[lastKeysym] == NoSymbol)) + lastKeysym--; + + for (j = 0; j <= lastKeysym; j++) { + KeySym ks = keymap[j]; + + if (ks == NoSymbol) + continue; + + if (ks < 256) { + keyCodeToKeymapIndex[i] = ks; + break; + } else if (ks >= 0xff00 && ks < 0xffff) { + keyCodeToKeymapIndex[i] = ks - KEY_MAP_OFFSET; + break; + } + } + keymap += keysyms_per_keycode; + } + XFree(origkeymap); + + setlocale(LC_CTYPE, keyboardLang); +} +#undef KEY_MAP_OFFSET + +void checkKeyPresses() +{ + Display *display = glfwGetX11Display(); + char keys[32]; + XQueryKeymap(display, keys); + for (int i = 0; i < sizeof(keys); i++) { + for (int j = 0; j < 8; j++) { + KeyCode keycode = 8 * i + j; + uint32 keymapIndex = keyCodeToKeymapIndex[keycode]; + if (keymapIndex != 0) { + int rsCode = keymap[keymapIndex]; + if (rsCode == rsNULL) + continue; + + bool pressed = WindowFocused && !!(keys[i] & (1 << j)); + + // idk why R* does that + if (rsCode == rsLSHIFT) + lshiftStatus = pressed; + else if (rsCode == rsRSHIFT) + rshiftStatus = pressed; + + if (keyStates[keymapIndex] != pressed) { + if (pressed) { + RsKeyboardEventHandler(rsKEYDOWN, &rsCode); + } else { + RsKeyboardEventHandler(rsKEYUP, &rsCode); + } + } + + keyStates[keymapIndex] = pressed; + } + } + } + +} +#endif + // R* calls that in ControllerConfig, idk why void _InputTranslateShiftKeyUpDown(RsKeyCodes *rs) { @@ -1460,6 +1744,16 @@ cursorEnterCB(GLFWwindow* window, int entered) { PSGLOBAL(cursorIsInWindow) = !!entered; } +void +windowFocusCB(GLFWwindow* window, int focused) { + WindowFocused = !!focused; +} + +void +windowIconifyCB(GLFWwindow* window, int iconified) { + WindowIconified = !!iconified; +} + /* ***************************************************************************** */ @@ -1712,6 +2006,9 @@ main(int argc, char *argv[]) #endif { glfwPollEvents(); +#ifdef GET_KEYBOARD_INPUT_FROM_X11 + checkKeyPresses(); +#endif #ifndef MASTER if (gbModelViewer) { // This is TheModelViewerCore in LCS, but TheModelViewer on other state-machine III-VCs. @@ -1849,7 +2146,7 @@ main(int argc, char *argv[]) case GS_FRONTEND: { - if(!glfwGetWindowAttrib(PSGLOBAL(window), GLFW_ICONIFIED)) + if(!WindowIconified) RsEventHandler(rsFRONTENDIDLE, nil); #ifdef PS2_MENU