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Diffstat (limited to 'ext/glfw/src/x11_init.c')
| -rw-r--r-- | ext/glfw/src/x11_init.c | 1657 |
1 files changed, 1657 insertions, 0 deletions
diff --git a/ext/glfw/src/x11_init.c b/ext/glfw/src/x11_init.c new file mode 100644 index 0000000..6b34c26 --- /dev/null +++ b/ext/glfw/src/x11_init.c @@ -0,0 +1,1657 @@ +//======================================================================== +// GLFW 3.5 X11 - www.glfw.org +//------------------------------------------------------------------------ +// Copyright (c) 2002-2006 Marcus Geelnard +// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org> +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would +// be appreciated but is not required. +// +// 2. Altered source versions must be plainly marked as such, and must not +// be misrepresented as being the original software. +// +// 3. This notice may not be removed or altered from any source +// distribution. +// +//======================================================================== + +#include "internal.h" + +#if defined(_GLFW_X11) + +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <stdio.h> +#include <locale.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <assert.h> + + +// Translate the X11 KeySyms for a key to a GLFW key code +// NOTE: This is only used as a fallback, in case the XKB method fails +// It is layout-dependent and will fail partially on most non-US layouts +// +static int translateKeySyms(const KeySym* keysyms, int width) +{ + if (width > 1) + { + switch (keysyms[1]) + { + case XK_KP_0: return GLFW_KEY_KP_0; + case XK_KP_1: return GLFW_KEY_KP_1; + case XK_KP_2: return GLFW_KEY_KP_2; + case XK_KP_3: return GLFW_KEY_KP_3; + case XK_KP_4: return GLFW_KEY_KP_4; + case XK_KP_5: return GLFW_KEY_KP_5; + case XK_KP_6: return GLFW_KEY_KP_6; + case XK_KP_7: return GLFW_KEY_KP_7; + case XK_KP_8: return GLFW_KEY_KP_8; + case XK_KP_9: return GLFW_KEY_KP_9; + case XK_KP_Separator: + case XK_KP_Decimal: return GLFW_KEY_KP_DECIMAL; + case XK_KP_Equal: return GLFW_KEY_KP_EQUAL; + case XK_KP_Enter: return GLFW_KEY_KP_ENTER; + default: break; + } + } + + switch (keysyms[0]) + { + case XK_Escape: return GLFW_KEY_ESCAPE; + case XK_Tab: return GLFW_KEY_TAB; + case XK_Shift_L: return GLFW_KEY_LEFT_SHIFT; + case XK_Shift_R: return GLFW_KEY_RIGHT_SHIFT; + case XK_Control_L: return GLFW_KEY_LEFT_CONTROL; + case XK_Control_R: return GLFW_KEY_RIGHT_CONTROL; + case XK_Meta_L: + case XK_Alt_L: return GLFW_KEY_LEFT_ALT; + case XK_Mode_switch: // Mapped to Alt_R on many keyboards + case XK_ISO_Level3_Shift: // AltGr on at least some machines + case XK_Meta_R: + case XK_Alt_R: return GLFW_KEY_RIGHT_ALT; + case XK_Super_L: return GLFW_KEY_LEFT_SUPER; + case XK_Super_R: return GLFW_KEY_RIGHT_SUPER; + case XK_Menu: return GLFW_KEY_MENU; + case XK_Num_Lock: return GLFW_KEY_NUM_LOCK; + case XK_Caps_Lock: return GLFW_KEY_CAPS_LOCK; + case XK_Print: return GLFW_KEY_PRINT_SCREEN; + case XK_Scroll_Lock: return GLFW_KEY_SCROLL_LOCK; + case XK_Pause: return GLFW_KEY_PAUSE; + case XK_Delete: return GLFW_KEY_DELETE; + case XK_BackSpace: return GLFW_KEY_BACKSPACE; + case XK_Return: return GLFW_KEY_ENTER; + case XK_Home: return GLFW_KEY_HOME; + case XK_End: return GLFW_KEY_END; + case XK_Page_Up: return GLFW_KEY_PAGE_UP; + case XK_Page_Down: return GLFW_KEY_PAGE_DOWN; + case XK_Insert: return GLFW_KEY_INSERT; + case XK_Left: return GLFW_KEY_LEFT; + case XK_Right: return GLFW_KEY_RIGHT; + case XK_Down: return GLFW_KEY_DOWN; + case XK_Up: return GLFW_KEY_UP; + case XK_F1: return GLFW_KEY_F1; + case XK_F2: return GLFW_KEY_F2; + case XK_F3: return GLFW_KEY_F3; + case XK_F4: return GLFW_KEY_F4; + case XK_F5: return GLFW_KEY_F5; + case XK_F6: return GLFW_KEY_F6; + case XK_F7: return GLFW_KEY_F7; + case XK_F8: return GLFW_KEY_F8; + case XK_F9: return GLFW_KEY_F9; + case XK_F10: return GLFW_KEY_F10; + case XK_F11: return GLFW_KEY_F11; + case XK_F12: return GLFW_KEY_F12; + case XK_F13: return GLFW_KEY_F13; + case XK_F14: return GLFW_KEY_F14; + case XK_F15: return GLFW_KEY_F15; + case XK_F16: return GLFW_KEY_F16; + case XK_F17: return GLFW_KEY_F17; + case XK_F18: return GLFW_KEY_F18; + case XK_F19: return GLFW_KEY_F19; + case XK_F20: return GLFW_KEY_F20; + case XK_F21: return GLFW_KEY_F21; + case XK_F22: return GLFW_KEY_F22; + case XK_F23: return GLFW_KEY_F23; + case XK_F24: return GLFW_KEY_F24; + case XK_F25: return GLFW_KEY_F25; + + // Numeric keypad + case XK_KP_Divide: return GLFW_KEY_KP_DIVIDE; + case XK_KP_Multiply: return GLFW_KEY_KP_MULTIPLY; + case XK_KP_Subtract: return GLFW_KEY_KP_SUBTRACT; + case XK_KP_Add: return GLFW_KEY_KP_ADD; + + // These should have been detected in secondary keysym test above! + case XK_KP_Insert: return GLFW_KEY_KP_0; + case XK_KP_End: return GLFW_KEY_KP_1; + case XK_KP_Down: return GLFW_KEY_KP_2; + case XK_KP_Page_Down: return GLFW_KEY_KP_3; + case XK_KP_Left: return GLFW_KEY_KP_4; + case XK_KP_Right: return GLFW_KEY_KP_6; + case XK_KP_Home: return GLFW_KEY_KP_7; + case XK_KP_Up: return GLFW_KEY_KP_8; + case XK_KP_Page_Up: return GLFW_KEY_KP_9; + case XK_KP_Delete: return GLFW_KEY_KP_DECIMAL; + case XK_KP_Equal: return GLFW_KEY_KP_EQUAL; + case XK_KP_Enter: return GLFW_KEY_KP_ENTER; + + // Last resort: Check for printable keys (should not happen if the XKB + // extension is available). This will give a layout dependent mapping + // (which is wrong, and we may miss some keys, especially on non-US + // keyboards), but it's better than nothing... + case XK_a: return GLFW_KEY_A; + case XK_b: return GLFW_KEY_B; + case XK_c: return GLFW_KEY_C; + case XK_d: return GLFW_KEY_D; + case XK_e: return GLFW_KEY_E; + case XK_f: return GLFW_KEY_F; + case XK_g: return GLFW_KEY_G; + case XK_h: return GLFW_KEY_H; + case XK_i: return GLFW_KEY_I; + case XK_j: return GLFW_KEY_J; + case XK_k: return GLFW_KEY_K; + case XK_l: return GLFW_KEY_L; + case XK_m: return GLFW_KEY_M; + case XK_n: return GLFW_KEY_N; + case XK_o: return GLFW_KEY_O; + case XK_p: return GLFW_KEY_P; + case XK_q: return GLFW_KEY_Q; + case XK_r: return GLFW_KEY_R; + case XK_s: return GLFW_KEY_S; + case XK_t: return GLFW_KEY_T; + case XK_u: return GLFW_KEY_U; + case XK_v: return GLFW_KEY_V; + case XK_w: return GLFW_KEY_W; + case XK_x: return GLFW_KEY_X; + case XK_y: return GLFW_KEY_Y; + case XK_z: return GLFW_KEY_Z; + case XK_1: return GLFW_KEY_1; + case XK_2: return GLFW_KEY_2; + case XK_3: return GLFW_KEY_3; + case XK_4: return GLFW_KEY_4; + case XK_5: return GLFW_KEY_5; + case XK_6: return GLFW_KEY_6; + case XK_7: return GLFW_KEY_7; + case XK_8: return GLFW_KEY_8; + case XK_9: return GLFW_KEY_9; + case XK_0: return GLFW_KEY_0; + case XK_space: return GLFW_KEY_SPACE; + case XK_minus: return GLFW_KEY_MINUS; + case XK_equal: return GLFW_KEY_EQUAL; + case XK_bracketleft: return GLFW_KEY_LEFT_BRACKET; + case XK_bracketright: return GLFW_KEY_RIGHT_BRACKET; + case XK_backslash: return GLFW_KEY_BACKSLASH; + case XK_semicolon: return GLFW_KEY_SEMICOLON; + case XK_apostrophe: return GLFW_KEY_APOSTROPHE; + case XK_grave: return GLFW_KEY_GRAVE_ACCENT; + case XK_comma: return GLFW_KEY_COMMA; + case XK_period: return GLFW_KEY_PERIOD; + case XK_slash: return GLFW_KEY_SLASH; + case XK_less: return GLFW_KEY_WORLD_1; // At least in some layouts... + default: break; + } + + // No matching translation was found + return GLFW_KEY_UNKNOWN; +} + +// Create key code translation tables +// +static void createKeyTables(void) +{ + int scancodeMin, scancodeMax; + + memset(_glfw.x11.keycodes, -1, sizeof(_glfw.x11.keycodes)); + memset(_glfw.x11.scancodes, -1, sizeof(_glfw.x11.scancodes)); + + if (_glfw.x11.xkb.available) + { + // Use XKB to determine physical key locations independently of the + // current keyboard layout + + XkbDescPtr desc = XkbGetMap(_glfw.x11.display, 0, XkbUseCoreKbd); + XkbGetNames(_glfw.x11.display, XkbKeyNamesMask | XkbKeyAliasesMask, desc); + + scancodeMin = desc->min_key_code; + scancodeMax = desc->max_key_code; + + const struct + { + int key; + char* name; + } keymap[] = + { + { GLFW_KEY_GRAVE_ACCENT, "TLDE" }, + { GLFW_KEY_1, "AE01" }, + { GLFW_KEY_2, "AE02" }, + { GLFW_KEY_3, "AE03" }, + { GLFW_KEY_4, "AE04" }, + { GLFW_KEY_5, "AE05" }, + { GLFW_KEY_6, "AE06" }, + { GLFW_KEY_7, "AE07" }, + { GLFW_KEY_8, "AE08" }, + { GLFW_KEY_9, "AE09" }, + { GLFW_KEY_0, "AE10" }, + { GLFW_KEY_MINUS, "AE11" }, + { GLFW_KEY_EQUAL, "AE12" }, + { GLFW_KEY_Q, "AD01" }, + { GLFW_KEY_W, "AD02" }, + { GLFW_KEY_E, "AD03" }, + { GLFW_KEY_R, "AD04" }, + { GLFW_KEY_T, "AD05" }, + { GLFW_KEY_Y, "AD06" }, + { GLFW_KEY_U, "AD07" }, + { GLFW_KEY_I, "AD08" }, + { GLFW_KEY_O, "AD09" }, + { GLFW_KEY_P, "AD10" }, + { GLFW_KEY_LEFT_BRACKET, "AD11" }, + { GLFW_KEY_RIGHT_BRACKET, "AD12" }, + { GLFW_KEY_A, "AC01" }, + { GLFW_KEY_S, "AC02" }, + { GLFW_KEY_D, "AC03" }, + { GLFW_KEY_F, "AC04" }, + { GLFW_KEY_G, "AC05" }, + { GLFW_KEY_H, "AC06" }, + { GLFW_KEY_J, "AC07" }, + { GLFW_KEY_K, "AC08" }, + { GLFW_KEY_L, "AC09" }, + { GLFW_KEY_SEMICOLON, "AC10" }, + { GLFW_KEY_APOSTROPHE, "AC11" }, + { GLFW_KEY_Z, "AB01" }, + { GLFW_KEY_X, "AB02" }, + { GLFW_KEY_C, "AB03" }, + { GLFW_KEY_V, "AB04" }, + { GLFW_KEY_B, "AB05" }, + { GLFW_KEY_N, "AB06" }, + { GLFW_KEY_M, "AB07" }, + { GLFW_KEY_COMMA, "AB08" }, + { GLFW_KEY_PERIOD, "AB09" }, + { GLFW_KEY_SLASH, "AB10" }, + { GLFW_KEY_BACKSLASH, "BKSL" }, + { GLFW_KEY_WORLD_1, "LSGT" }, + { GLFW_KEY_SPACE, "SPCE" }, + { GLFW_KEY_ESCAPE, "ESC" }, + { GLFW_KEY_ENTER, "RTRN" }, + { GLFW_KEY_TAB, "TAB" }, + { GLFW_KEY_BACKSPACE, "BKSP" }, + { GLFW_KEY_INSERT, "INS" }, + { GLFW_KEY_DELETE, "DELE" }, + { GLFW_KEY_RIGHT, "RGHT" }, + { GLFW_KEY_LEFT, "LEFT" }, + { GLFW_KEY_DOWN, "DOWN" }, + { GLFW_KEY_UP, "UP" }, + { GLFW_KEY_PAGE_UP, "PGUP" }, + { GLFW_KEY_PAGE_DOWN, "PGDN" }, + { GLFW_KEY_HOME, "HOME" }, + { GLFW_KEY_END, "END" }, + { GLFW_KEY_CAPS_LOCK, "CAPS" }, + { GLFW_KEY_SCROLL_LOCK, "SCLK" }, + { GLFW_KEY_NUM_LOCK, "NMLK" }, + { GLFW_KEY_PRINT_SCREEN, "PRSC" }, + { GLFW_KEY_PAUSE, "PAUS" }, + { GLFW_KEY_F1, "FK01" }, + { GLFW_KEY_F2, "FK02" }, + { GLFW_KEY_F3, "FK03" }, + { GLFW_KEY_F4, "FK04" }, + { GLFW_KEY_F5, "FK05" }, + { GLFW_KEY_F6, "FK06" }, + { GLFW_KEY_F7, "FK07" }, + { GLFW_KEY_F8, "FK08" }, + { GLFW_KEY_F9, "FK09" }, + { GLFW_KEY_F10, "FK10" }, + { GLFW_KEY_F11, "FK11" }, + { GLFW_KEY_F12, "FK12" }, + { GLFW_KEY_F13, "FK13" }, + { GLFW_KEY_F14, "FK14" }, + { GLFW_KEY_F15, "FK15" }, + { GLFW_KEY_F16, "FK16" }, + { GLFW_KEY_F17, "FK17" }, + { GLFW_KEY_F18, "FK18" }, + { GLFW_KEY_F19, "FK19" }, + { GLFW_KEY_F20, "FK20" }, + { GLFW_KEY_F21, "FK21" }, + { GLFW_KEY_F22, "FK22" }, + { GLFW_KEY_F23, "FK23" }, + { GLFW_KEY_F24, "FK24" }, + { GLFW_KEY_F25, "FK25" }, + { GLFW_KEY_KP_0, "KP0" }, + { GLFW_KEY_KP_1, "KP1" }, + { GLFW_KEY_KP_2, "KP2" }, + { GLFW_KEY_KP_3, "KP3" }, + { GLFW_KEY_KP_4, "KP4" }, + { GLFW_KEY_KP_5, "KP5" }, + { GLFW_KEY_KP_6, "KP6" }, + { GLFW_KEY_KP_7, "KP7" }, + { GLFW_KEY_KP_8, "KP8" }, + { GLFW_KEY_KP_9, "KP9" }, + { GLFW_KEY_KP_DECIMAL, "KPDL" }, + { GLFW_KEY_KP_DIVIDE, "KPDV" }, + { GLFW_KEY_KP_MULTIPLY, "KPMU" }, + { GLFW_KEY_KP_SUBTRACT, "KPSU" }, + { GLFW_KEY_KP_ADD, "KPAD" }, + { GLFW_KEY_KP_ENTER, "KPEN" }, + { GLFW_KEY_KP_EQUAL, "KPEQ" }, + { GLFW_KEY_LEFT_SHIFT, "LFSH" }, + { GLFW_KEY_LEFT_CONTROL, "LCTL" }, + { GLFW_KEY_LEFT_ALT, "LALT" }, + { GLFW_KEY_LEFT_SUPER, "LWIN" }, + { GLFW_KEY_RIGHT_SHIFT, "RTSH" }, + { GLFW_KEY_RIGHT_CONTROL, "RCTL" }, + { GLFW_KEY_RIGHT_ALT, "RALT" }, + { GLFW_KEY_RIGHT_ALT, "LVL3" }, + { GLFW_KEY_RIGHT_ALT, "MDSW" }, + { GLFW_KEY_RIGHT_SUPER, "RWIN" }, + { GLFW_KEY_MENU, "MENU" } + }; + + // Find the X11 key code -> GLFW key code mapping + for (int scancode = scancodeMin; scancode <= scancodeMax; scancode++) + { + int key = GLFW_KEY_UNKNOWN; + + // Map the key name to a GLFW key code. Note: We use the US + // keyboard layout. Because function keys aren't mapped correctly + // when using traditional KeySym translations, they are mapped + // here instead. + for (int i = 0; i < sizeof(keymap) / sizeof(keymap[0]); i++) + { + if (strncmp(desc->names->keys[scancode].name, + keymap[i].name, + XkbKeyNameLength) == 0) + { + key = keymap[i].key; + break; + } + } + + // Fall back to key aliases in case the key name did not match + for (int i = 0; i < desc->names->num_key_aliases; i++) + { + if (key != GLFW_KEY_UNKNOWN) + break; + + if (strncmp(desc->names->key_aliases[i].real, + desc->names->keys[scancode].name, + XkbKeyNameLength) != 0) + { + continue; + } + + for (int j = 0; j < sizeof(keymap) / sizeof(keymap[0]); j++) + { + if (strncmp(desc->names->key_aliases[i].alias, + keymap[j].name, + XkbKeyNameLength) == 0) + { + key = keymap[j].key; + break; + } + } + } + + _glfw.x11.keycodes[scancode] = key; + } + + XkbFreeNames(desc, XkbKeyNamesMask, True); + XkbFreeKeyboard(desc, 0, True); + } + else + XDisplayKeycodes(_glfw.x11.display, &scancodeMin, &scancodeMax); + + int width; + KeySym* keysyms = XGetKeyboardMapping(_glfw.x11.display, + scancodeMin, + scancodeMax - scancodeMin + 1, + &width); + + for (int scancode = scancodeMin; scancode <= scancodeMax; scancode++) + { + // Translate the un-translated key codes using traditional X11 KeySym + // lookups + if (_glfw.x11.keycodes[scancode] < 0) + { + const size_t base = (scancode - scancodeMin) * width; + _glfw.x11.keycodes[scancode] = translateKeySyms(&keysyms[base], width); + } + + // Store the reverse translation for faster key name lookup + if (_glfw.x11.keycodes[scancode] > 0) + _glfw.x11.scancodes[_glfw.x11.keycodes[scancode]] = scancode; + } + + XFree(keysyms); +} + +// Check whether the IM has a usable style +// +static GLFWbool hasUsableInputMethodStyle(void) +{ + GLFWbool found = GLFW_FALSE; + XIMStyles* styles = NULL; + + if (XGetIMValues(_glfw.x11.im, XNQueryInputStyle, &styles, NULL) != NULL) + return GLFW_FALSE; + + for (unsigned int i = 0; i < styles->count_styles; i++) + { + if (styles->supported_styles[i] == (XIMPreeditNothing | XIMStatusNothing)) + { + found = GLFW_TRUE; + break; + } + } + + XFree(styles); + return found; +} + +static void inputMethodDestroyCallback(XIM im, XPointer clientData, XPointer callData) +{ + _glfw.x11.im = NULL; +} + +static void inputMethodInstantiateCallback(Display* display, + XPointer clientData, + XPointer callData) +{ + if (_glfw.x11.im) + return; + + _glfw.x11.im = XOpenIM(_glfw.x11.display, 0, NULL, NULL); + if (_glfw.x11.im) + { + if (!hasUsableInputMethodStyle()) + { + XCloseIM(_glfw.x11.im); + _glfw.x11.im = NULL; + } + } + + if (_glfw.x11.im) + { + XIMCallback callback; + callback.callback = (XIMProc) inputMethodDestroyCallback; + callback.client_data = NULL; + XSetIMValues(_glfw.x11.im, XNDestroyCallback, &callback, NULL); + + for (_GLFWwindow* window = _glfw.windowListHead; window; window = window->next) + _glfwCreateInputContextX11(window); + } +} + +// Return the atom ID only if it is listed in the specified array +// +static Atom getAtomIfSupported(Atom* supportedAtoms, + unsigned long atomCount, + const char* atomName) +{ + const Atom atom = XInternAtom(_glfw.x11.display, atomName, False); + + for (unsigned long i = 0; i < atomCount; i++) + { + if (supportedAtoms[i] == atom) + return atom; + } + + return None; +} + +// Check whether the running window manager is EWMH-compliant +// +static void detectEWMH(void) +{ + // First we read the _NET_SUPPORTING_WM_CHECK property on the root window + + Window* windowFromRoot = NULL; + if (!_glfwGetWindowPropertyX11(_glfw.x11.root, + _glfw.x11.NET_SUPPORTING_WM_CHECK, + XA_WINDOW, + (unsigned char**) &windowFromRoot)) + { + return; + } + + _glfwGrabErrorHandlerX11(); + + // If it exists, it should be the XID of a top-level window + // Then we look for the same property on that window + + Window* windowFromChild = NULL; + if (!_glfwGetWindowPropertyX11(*windowFromRoot, + _glfw.x11.NET_SUPPORTING_WM_CHECK, + XA_WINDOW, + (unsigned char**) &windowFromChild)) + { + _glfwReleaseErrorHandlerX11(); + XFree(windowFromRoot); + return; + } + + _glfwReleaseErrorHandlerX11(); + + // If the property exists, it should contain the XID of the window + + if (*windowFromRoot != *windowFromChild) + { + XFree(windowFromRoot); + XFree(windowFromChild); + return; + } + + XFree(windowFromRoot); + XFree(windowFromChild); + + // We are now fairly sure that an EWMH-compliant WM is currently running + // We can now start querying the WM about what features it supports by + // looking in the _NET_SUPPORTED property on the root window + // It should contain a list of supported EWMH protocol and state atoms + + Atom* supportedAtoms = NULL; + const unsigned long atomCount = + _glfwGetWindowPropertyX11(_glfw.x11.root, + _glfw.x11.NET_SUPPORTED, + XA_ATOM, + (unsigned char**) &supportedAtoms); + + // See which of the atoms we support that are supported by the WM + + _glfw.x11.NET_WM_STATE = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_STATE"); + _glfw.x11.NET_WM_STATE_ABOVE = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_STATE_ABOVE"); + _glfw.x11.NET_WM_STATE_FULLSCREEN = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN"); + _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_VERT"); + _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_HORZ"); + _glfw.x11.NET_WM_STATE_DEMANDS_ATTENTION = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_STATE_DEMANDS_ATTENTION"); + _glfw.x11.NET_WM_FULLSCREEN_MONITORS = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_FULLSCREEN_MONITORS"); + _glfw.x11.NET_WM_WINDOW_TYPE = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE"); + _glfw.x11.NET_WM_WINDOW_TYPE_NORMAL = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE_NORMAL"); + _glfw.x11.NET_WORKAREA = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_WORKAREA"); + _glfw.x11.NET_CURRENT_DESKTOP = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_CURRENT_DESKTOP"); + _glfw.x11.NET_ACTIVE_WINDOW = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_ACTIVE_WINDOW"); + _glfw.x11.NET_FRAME_EXTENTS = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_FRAME_EXTENTS"); + _glfw.x11.NET_REQUEST_FRAME_EXTENTS = + getAtomIfSupported(supportedAtoms, atomCount, "_NET_REQUEST_FRAME_EXTENTS"); + + if (supportedAtoms) + XFree(supportedAtoms); +} + +// Look for and initialize supported X11 extensions +// +static GLFWbool initExtensions(void) +{ +#if defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.vidmode.handle = _glfwPlatformLoadModule("libXxf86vm.so"); +#else + _glfw.x11.vidmode.handle = _glfwPlatformLoadModule("libXxf86vm.so.1"); +#endif + if (_glfw.x11.vidmode.handle) + { + _glfw.x11.vidmode.QueryExtension = (PFN_XF86VidModeQueryExtension) + _glfwPlatformGetModuleSymbol(_glfw.x11.vidmode.handle, "XF86VidModeQueryExtension"); + _glfw.x11.vidmode.GetGammaRamp = (PFN_XF86VidModeGetGammaRamp) + _glfwPlatformGetModuleSymbol(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRamp"); + _glfw.x11.vidmode.SetGammaRamp = (PFN_XF86VidModeSetGammaRamp) + _glfwPlatformGetModuleSymbol(_glfw.x11.vidmode.handle, "XF86VidModeSetGammaRamp"); + _glfw.x11.vidmode.GetGammaRampSize = (PFN_XF86VidModeGetGammaRampSize) + _glfwPlatformGetModuleSymbol(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRampSize"); + + _glfw.x11.vidmode.available = + XF86VidModeQueryExtension(_glfw.x11.display, + &_glfw.x11.vidmode.eventBase, + &_glfw.x11.vidmode.errorBase); + } + +#if defined(__CYGWIN__) + _glfw.x11.xi.handle = _glfwPlatformLoadModule("libXi-6.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.xi.handle = _glfwPlatformLoadModule("libXi.so"); +#else + _glfw.x11.xi.handle = _glfwPlatformLoadModule("libXi.so.6"); +#endif + if (_glfw.x11.xi.handle) + { + _glfw.x11.xi.QueryVersion = (PFN_XIQueryVersion) + _glfwPlatformGetModuleSymbol(_glfw.x11.xi.handle, "XIQueryVersion"); + _glfw.x11.xi.SelectEvents = (PFN_XISelectEvents) + _glfwPlatformGetModuleSymbol(_glfw.x11.xi.handle, "XISelectEvents"); + + if (XQueryExtension(_glfw.x11.display, + "XInputExtension", + &_glfw.x11.xi.majorOpcode, + &_glfw.x11.xi.eventBase, + &_glfw.x11.xi.errorBase)) + { + _glfw.x11.xi.major = 2; + _glfw.x11.xi.minor = 0; + + if (XIQueryVersion(_glfw.x11.display, + &_glfw.x11.xi.major, + &_glfw.x11.xi.minor) == Success) + { + _glfw.x11.xi.available = GLFW_TRUE; + } + } + } + +#if defined(__CYGWIN__) + _glfw.x11.randr.handle = _glfwPlatformLoadModule("libXrandr-2.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.randr.handle = _glfwPlatformLoadModule("libXrandr.so"); +#else + _glfw.x11.randr.handle = _glfwPlatformLoadModule("libXrandr.so.2"); +#endif + if (_glfw.x11.randr.handle) + { + _glfw.x11.randr.AllocGamma = (PFN_XRRAllocGamma) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRAllocGamma"); + _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRFreeGamma"); + _glfw.x11.randr.FreeCrtcInfo = (PFN_XRRFreeCrtcInfo) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRFreeCrtcInfo"); + _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRFreeGamma"); + _glfw.x11.randr.FreeOutputInfo = (PFN_XRRFreeOutputInfo) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRFreeOutputInfo"); + _glfw.x11.randr.FreeScreenResources = (PFN_XRRFreeScreenResources) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRFreeScreenResources"); + _glfw.x11.randr.GetCrtcGamma = (PFN_XRRGetCrtcGamma) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRGetCrtcGamma"); + _glfw.x11.randr.GetCrtcGammaSize = (PFN_XRRGetCrtcGammaSize) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRGetCrtcGammaSize"); + _glfw.x11.randr.GetCrtcInfo = (PFN_XRRGetCrtcInfo) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRGetCrtcInfo"); + _glfw.x11.randr.GetOutputInfo = (PFN_XRRGetOutputInfo) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRGetOutputInfo"); + _glfw.x11.randr.GetOutputPrimary = (PFN_XRRGetOutputPrimary) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRGetOutputPrimary"); + _glfw.x11.randr.GetScreenResourcesCurrent = (PFN_XRRGetScreenResourcesCurrent) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRGetScreenResourcesCurrent"); + _glfw.x11.randr.QueryExtension = (PFN_XRRQueryExtension) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRQueryExtension"); + _glfw.x11.randr.QueryVersion = (PFN_XRRQueryVersion) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRQueryVersion"); + _glfw.x11.randr.SelectInput = (PFN_XRRSelectInput) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRSelectInput"); + _glfw.x11.randr.SetCrtcConfig = (PFN_XRRSetCrtcConfig) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRSetCrtcConfig"); + _glfw.x11.randr.SetCrtcGamma = (PFN_XRRSetCrtcGamma) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRSetCrtcGamma"); + _glfw.x11.randr.UpdateConfiguration = (PFN_XRRUpdateConfiguration) + _glfwPlatformGetModuleSymbol(_glfw.x11.randr.handle, "XRRUpdateConfiguration"); + + if (XRRQueryExtension(_glfw.x11.display, + &_glfw.x11.randr.eventBase, + &_glfw.x11.randr.errorBase)) + { + if (XRRQueryVersion(_glfw.x11.display, + &_glfw.x11.randr.major, + &_glfw.x11.randr.minor)) + { + // The GLFW RandR path requires at least version 1.3 + if (_glfw.x11.randr.major > 1 || _glfw.x11.randr.minor >= 3) + _glfw.x11.randr.available = GLFW_TRUE; + } + else + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "X11: Failed to query RandR version"); + } + } + } + + if (_glfw.x11.randr.available) + { + XRRScreenResources* sr = XRRGetScreenResourcesCurrent(_glfw.x11.display, + _glfw.x11.root); + + if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0])) + { + // This is likely an older Nvidia driver with broken gamma support + // Flag it as useless and fall back to xf86vm gamma, if available + _glfw.x11.randr.gammaBroken = GLFW_TRUE; + } + + if (!sr->ncrtc) + { + // A system without CRTCs is likely a system with broken RandR + // Disable the RandR monitor path and fall back to core functions + _glfw.x11.randr.monitorBroken = GLFW_TRUE; + } + + XRRFreeScreenResources(sr); + } + + if (_glfw.x11.randr.available && !_glfw.x11.randr.monitorBroken) + { + XRRSelectInput(_glfw.x11.display, _glfw.x11.root, + RROutputChangeNotifyMask); + } + +#if defined(__CYGWIN__) + _glfw.x11.xcursor.handle = _glfwPlatformLoadModule("libXcursor-1.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.xcursor.handle = _glfwPlatformLoadModule("libXcursor.so"); +#else + _glfw.x11.xcursor.handle = _glfwPlatformLoadModule("libXcursor.so.1"); +#endif + if (_glfw.x11.xcursor.handle) + { + _glfw.x11.xcursor.ImageCreate = (PFN_XcursorImageCreate) + _glfwPlatformGetModuleSymbol(_glfw.x11.xcursor.handle, "XcursorImageCreate"); + _glfw.x11.xcursor.ImageDestroy = (PFN_XcursorImageDestroy) + _glfwPlatformGetModuleSymbol(_glfw.x11.xcursor.handle, "XcursorImageDestroy"); + _glfw.x11.xcursor.ImageLoadCursor = (PFN_XcursorImageLoadCursor) + _glfwPlatformGetModuleSymbol(_glfw.x11.xcursor.handle, "XcursorImageLoadCursor"); + _glfw.x11.xcursor.GetTheme = (PFN_XcursorGetTheme) + _glfwPlatformGetModuleSymbol(_glfw.x11.xcursor.handle, "XcursorGetTheme"); + _glfw.x11.xcursor.GetDefaultSize = (PFN_XcursorGetDefaultSize) + _glfwPlatformGetModuleSymbol(_glfw.x11.xcursor.handle, "XcursorGetDefaultSize"); + _glfw.x11.xcursor.LibraryLoadImage = (PFN_XcursorLibraryLoadImage) + _glfwPlatformGetModuleSymbol(_glfw.x11.xcursor.handle, "XcursorLibraryLoadImage"); + } + +#if defined(__CYGWIN__) + _glfw.x11.xinerama.handle = _glfwPlatformLoadModule("libXinerama-1.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.xinerama.handle = _glfwPlatformLoadModule("libXinerama.so"); +#else + _glfw.x11.xinerama.handle = _glfwPlatformLoadModule("libXinerama.so.1"); +#endif + if (_glfw.x11.xinerama.handle) + { + _glfw.x11.xinerama.IsActive = (PFN_XineramaIsActive) + _glfwPlatformGetModuleSymbol(_glfw.x11.xinerama.handle, "XineramaIsActive"); + _glfw.x11.xinerama.QueryExtension = (PFN_XineramaQueryExtension) + _glfwPlatformGetModuleSymbol(_glfw.x11.xinerama.handle, "XineramaQueryExtension"); + _glfw.x11.xinerama.QueryScreens = (PFN_XineramaQueryScreens) + _glfwPlatformGetModuleSymbol(_glfw.x11.xinerama.handle, "XineramaQueryScreens"); + + if (XineramaQueryExtension(_glfw.x11.display, + &_glfw.x11.xinerama.major, + &_glfw.x11.xinerama.minor)) + { + if (XineramaIsActive(_glfw.x11.display)) + _glfw.x11.xinerama.available = GLFW_TRUE; + } + } + + _glfw.x11.xkb.major = 1; + _glfw.x11.xkb.minor = 0; + _glfw.x11.xkb.available = + XkbQueryExtension(_glfw.x11.display, + &_glfw.x11.xkb.majorOpcode, + &_glfw.x11.xkb.eventBase, + &_glfw.x11.xkb.errorBase, + &_glfw.x11.xkb.major, + &_glfw.x11.xkb.minor); + + if (_glfw.x11.xkb.available) + { + Bool supported; + + if (XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported)) + { + if (supported) + _glfw.x11.xkb.detectable = GLFW_TRUE; + } + + XkbStateRec state; + if (XkbGetState(_glfw.x11.display, XkbUseCoreKbd, &state) == Success) + _glfw.x11.xkb.group = (unsigned int)state.group; + + XkbSelectEventDetails(_glfw.x11.display, XkbUseCoreKbd, XkbStateNotify, + XkbGroupStateMask, XkbGroupStateMask); + } + + if (_glfw.hints.init.x11.xcbVulkanSurface) + { +#if defined(__CYGWIN__) + _glfw.x11.x11xcb.handle = _glfwPlatformLoadModule("libX11-xcb-1.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.x11xcb.handle = _glfwPlatformLoadModule("libX11-xcb.so"); +#else + _glfw.x11.x11xcb.handle = _glfwPlatformLoadModule("libX11-xcb.so.1"); +#endif + } + + if (_glfw.x11.x11xcb.handle) + { + _glfw.x11.x11xcb.GetXCBConnection = (PFN_XGetXCBConnection) + _glfwPlatformGetModuleSymbol(_glfw.x11.x11xcb.handle, "XGetXCBConnection"); + } + +#if defined(__CYGWIN__) + _glfw.x11.xrender.handle = _glfwPlatformLoadModule("libXrender-1.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.xrender.handle = _glfwPlatformLoadModule("libXrender.so"); +#else + _glfw.x11.xrender.handle = _glfwPlatformLoadModule("libXrender.so.1"); +#endif + if (_glfw.x11.xrender.handle) + { + _glfw.x11.xrender.QueryExtension = (PFN_XRenderQueryExtension) + _glfwPlatformGetModuleSymbol(_glfw.x11.xrender.handle, "XRenderQueryExtension"); + _glfw.x11.xrender.QueryVersion = (PFN_XRenderQueryVersion) + _glfwPlatformGetModuleSymbol(_glfw.x11.xrender.handle, "XRenderQueryVersion"); + _glfw.x11.xrender.FindVisualFormat = (PFN_XRenderFindVisualFormat) + _glfwPlatformGetModuleSymbol(_glfw.x11.xrender.handle, "XRenderFindVisualFormat"); + + if (XRenderQueryExtension(_glfw.x11.display, + &_glfw.x11.xrender.errorBase, + &_glfw.x11.xrender.eventBase)) + { + if (XRenderQueryVersion(_glfw.x11.display, + &_glfw.x11.xrender.major, + &_glfw.x11.xrender.minor)) + { + _glfw.x11.xrender.available = GLFW_TRUE; + } + } + } + +#if defined(__CYGWIN__) + _glfw.x11.xshape.handle = _glfwPlatformLoadModule("libXext-6.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + _glfw.x11.xshape.handle = _glfwPlatformLoadModule("libXext.so"); +#else + _glfw.x11.xshape.handle = _glfwPlatformLoadModule("libXext.so.6"); +#endif + if (_glfw.x11.xshape.handle) + { + _glfw.x11.xshape.QueryExtension = (PFN_XShapeQueryExtension) + _glfwPlatformGetModuleSymbol(_glfw.x11.xshape.handle, "XShapeQueryExtension"); + _glfw.x11.xshape.ShapeCombineRegion = (PFN_XShapeCombineRegion) + _glfwPlatformGetModuleSymbol(_glfw.x11.xshape.handle, "XShapeCombineRegion"); + _glfw.x11.xshape.QueryVersion = (PFN_XShapeQueryVersion) + _glfwPlatformGetModuleSymbol(_glfw.x11.xshape.handle, "XShapeQueryVersion"); + _glfw.x11.xshape.ShapeCombineMask = (PFN_XShapeCombineMask) + _glfwPlatformGetModuleSymbol(_glfw.x11.xshape.handle, "XShapeCombineMask"); + + if (XShapeQueryExtension(_glfw.x11.display, + &_glfw.x11.xshape.errorBase, + &_glfw.x11.xshape.eventBase)) + { + if (XShapeQueryVersion(_glfw.x11.display, + &_glfw.x11.xshape.major, + &_glfw.x11.xshape.minor)) + { + _glfw.x11.xshape.available = GLFW_TRUE; + } + } + } + + // Update the key code LUT + // FIXME: We should listen to XkbMapNotify events to track changes to + // the keyboard mapping. + createKeyTables(); + + // String format atoms + _glfw.x11.NULL_ = XInternAtom(_glfw.x11.display, "NULL", False); + _glfw.x11.UTF8_STRING = XInternAtom(_glfw.x11.display, "UTF8_STRING", False); + _glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False); + + // Custom selection property atom + _glfw.x11.GLFW_SELECTION = + XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False); + + // ICCCM standard clipboard atoms + _glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False); + _glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False); + _glfw.x11.PRIMARY = XInternAtom(_glfw.x11.display, "PRIMARY", False); + _glfw.x11.INCR = XInternAtom(_glfw.x11.display, "INCR", False); + _glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False); + + // Clipboard manager atoms + _glfw.x11.CLIPBOARD_MANAGER = + XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False); + _glfw.x11.SAVE_TARGETS = + XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False); + + // Xdnd (drag and drop) atoms + _glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", False); + _glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", False); + _glfw.x11.XdndPosition = XInternAtom(_glfw.x11.display, "XdndPosition", False); + _glfw.x11.XdndStatus = XInternAtom(_glfw.x11.display, "XdndStatus", False); + _glfw.x11.XdndActionCopy = XInternAtom(_glfw.x11.display, "XdndActionCopy", False); + _glfw.x11.XdndDrop = XInternAtom(_glfw.x11.display, "XdndDrop", False); + _glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", False); + _glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", False); + _glfw.x11.XdndTypeList = XInternAtom(_glfw.x11.display, "XdndTypeList", False); + _glfw.x11.text_uri_list = XInternAtom(_glfw.x11.display, "text/uri-list", False); + + // ICCCM, EWMH and Motif window property atoms + // These can be set safely even without WM support + // The EWMH atoms that require WM support are handled in detectEWMH + _glfw.x11.WM_PROTOCOLS = + XInternAtom(_glfw.x11.display, "WM_PROTOCOLS", False); + _glfw.x11.WM_STATE = + XInternAtom(_glfw.x11.display, "WM_STATE", False); + _glfw.x11.WM_DELETE_WINDOW = + XInternAtom(_glfw.x11.display, "WM_DELETE_WINDOW", False); + _glfw.x11.NET_SUPPORTED = + XInternAtom(_glfw.x11.display, "_NET_SUPPORTED", False); + _glfw.x11.NET_SUPPORTING_WM_CHECK = + XInternAtom(_glfw.x11.display, "_NET_SUPPORTING_WM_CHECK", False); + _glfw.x11.NET_WM_ICON = + XInternAtom(_glfw.x11.display, "_NET_WM_ICON", False); + _glfw.x11.NET_WM_PING = + XInternAtom(_glfw.x11.display, "_NET_WM_PING", False); + _glfw.x11.NET_WM_PID = + XInternAtom(_glfw.x11.display, "_NET_WM_PID", False); + _glfw.x11.NET_WM_NAME = + XInternAtom(_glfw.x11.display, "_NET_WM_NAME", False); + _glfw.x11.NET_WM_ICON_NAME = + XInternAtom(_glfw.x11.display, "_NET_WM_ICON_NAME", False); + _glfw.x11.NET_WM_BYPASS_COMPOSITOR = + XInternAtom(_glfw.x11.display, "_NET_WM_BYPASS_COMPOSITOR", False); + _glfw.x11.NET_WM_WINDOW_OPACITY = + XInternAtom(_glfw.x11.display, "_NET_WM_WINDOW_OPACITY", False); + _glfw.x11.MOTIF_WM_HINTS = + XInternAtom(_glfw.x11.display, "_MOTIF_WM_HINTS", False); + + // The compositing manager selection name contains the screen number + { + char name[32]; + snprintf(name, sizeof(name), "_NET_WM_CM_S%u", _glfw.x11.screen); + _glfw.x11.NET_WM_CM_Sx = XInternAtom(_glfw.x11.display, name, False); + } + + // Detect whether an EWMH-conformant window manager is running + detectEWMH(); + + return GLFW_TRUE; +} + +// Retrieve system content scale via folklore heuristics +// +static void getSystemContentScale(float* xscale, float* yscale) +{ + // Start by assuming the default X11 DPI + // NOTE: Some desktop environments (KDE) may remove the Xft.dpi field when it + // would be set to 96, so assume that is the case if we cannot find it + float xdpi = 96.f, ydpi = 96.f; + + // NOTE: Basing the scale on Xft.dpi where available should provide the most + // consistent user experience (matches Qt, Gtk, etc), although not + // always the most accurate one + char* rms = XResourceManagerString(_glfw.x11.display); + if (rms) + { + XrmDatabase db = XrmGetStringDatabase(rms); + if (db) + { + XrmValue value; + char* type = NULL; + + if (XrmGetResource(db, "Xft.dpi", "Xft.Dpi", &type, &value)) + { + if (type && strcmp(type, "String") == 0) + xdpi = ydpi = atof(value.addr); + } + + XrmDestroyDatabase(db); + } + } + + *xscale = xdpi / 96.f; + *yscale = ydpi / 96.f; +} + +// Create a blank cursor for hidden and disabled cursor modes +// +static Cursor createHiddenCursor(void) +{ + unsigned char pixels[16 * 16 * 4] = { 0 }; + GLFWimage image = { 16, 16, pixels }; + return _glfwCreateNativeCursorX11(&image, 0, 0); +} + +// Create a helper window for IPC +// +static Window createHelperWindow(void) +{ + XSetWindowAttributes wa; + wa.event_mask = PropertyChangeMask; + + return XCreateWindow(_glfw.x11.display, _glfw.x11.root, + 0, 0, 1, 1, 0, 0, + InputOnly, + DefaultVisual(_glfw.x11.display, _glfw.x11.screen), + CWEventMask, &wa); +} + +// Create the pipe for empty events without assumuing the OS has pipe2(2) +// +static GLFWbool createEmptyEventPipe(void) +{ + if (pipe(_glfw.x11.emptyEventPipe) != 0) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "X11: Failed to create empty event pipe: %s", + strerror(errno)); + return GLFW_FALSE; + } + + for (int i = 0; i < 2; i++) + { + const int sf = fcntl(_glfw.x11.emptyEventPipe[i], F_GETFL, 0); + const int df = fcntl(_glfw.x11.emptyEventPipe[i], F_GETFD, 0); + + if (sf == -1 || df == -1 || + fcntl(_glfw.x11.emptyEventPipe[i], F_SETFL, sf | O_NONBLOCK) == -1 || + fcntl(_glfw.x11.emptyEventPipe[i], F_SETFD, df | FD_CLOEXEC) == -1) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "X11: Failed to set flags for empty event pipe: %s", + strerror(errno)); + return GLFW_FALSE; + } + } + + return GLFW_TRUE; +} + +// X error handler +// +static int errorHandler(Display *display, XErrorEvent* event) +{ + if (_glfw.x11.display != display) + return 0; + + _glfw.x11.errorCode = event->error_code; + return 0; +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW internal API ////// +////////////////////////////////////////////////////////////////////////// + +// Sets the X error handler callback +// +void _glfwGrabErrorHandlerX11(void) +{ + assert(_glfw.x11.errorHandler == NULL); + _glfw.x11.errorCode = Success; + _glfw.x11.errorHandler = XSetErrorHandler(errorHandler); +} + +// Clears the X error handler callback +// +void _glfwReleaseErrorHandlerX11(void) +{ + // Synchronize to make sure all commands are processed + XSync(_glfw.x11.display, False); + XSetErrorHandler(_glfw.x11.errorHandler); + _glfw.x11.errorHandler = NULL; +} + +// Reports the specified error, appending information about the last X error +// +void _glfwInputErrorX11(int error, const char* message) +{ + char buffer[_GLFW_MESSAGE_SIZE]; + XGetErrorText(_glfw.x11.display, _glfw.x11.errorCode, + buffer, sizeof(buffer)); + + _glfwInputError(error, "%s: %s", message, buffer); +} + +// Creates a native cursor object from the specified image and hotspot +// +Cursor _glfwCreateNativeCursorX11(const GLFWimage* image, int xhot, int yhot) +{ + Cursor cursor; + + if (!_glfw.x11.xcursor.handle) + return None; + + XcursorImage* native = XcursorImageCreate(image->width, image->height); + if (native == NULL) + return None; + + native->xhot = xhot; + native->yhot = yhot; + + unsigned char* source = (unsigned char*) image->pixels; + XcursorPixel* target = native->pixels; + + for (int i = 0; i < image->width * image->height; i++, target++, source += 4) + { + unsigned int alpha = source[3]; + + *target = (alpha << 24) | + ((unsigned char) ((source[0] * alpha) / 255) << 16) | + ((unsigned char) ((source[1] * alpha) / 255) << 8) | + ((unsigned char) ((source[2] * alpha) / 255) << 0); + } + + cursor = XcursorImageLoadCursor(_glfw.x11.display, native); + XcursorImageDestroy(native); + + return cursor; +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +GLFWbool _glfwConnectX11(int platformID, _GLFWplatform* platform) +{ + const _GLFWplatform x11 = + { + .platformID = GLFW_PLATFORM_X11, + .init = _glfwInitX11, + .terminate = _glfwTerminateX11, + .getCursorPos = _glfwGetCursorPosX11, + .setCursorPos = _glfwSetCursorPosX11, + .setCursorMode = _glfwSetCursorModeX11, + .setRawMouseMotion = _glfwSetRawMouseMotionX11, + .rawMouseMotionSupported = _glfwRawMouseMotionSupportedX11, + .createCursor = _glfwCreateCursorX11, + .createStandardCursor = _glfwCreateStandardCursorX11, + .destroyCursor = _glfwDestroyCursorX11, + .setCursor = _glfwSetCursorX11, + .getScancodeName = _glfwGetScancodeNameX11, + .getKeyScancode = _glfwGetKeyScancodeX11, + .setClipboardString = _glfwSetClipboardStringX11, + .getClipboardString = _glfwGetClipboardStringX11, +#if defined(GLFW_BUILD_LINUX_JOYSTICK) + .initJoysticks = _glfwInitJoysticksLinux, + .terminateJoysticks = _glfwTerminateJoysticksLinux, + .pollJoystick = _glfwPollJoystickLinux, + .getMappingName = _glfwGetMappingNameLinux, + .updateGamepadGUID = _glfwUpdateGamepadGUIDLinux, +#else + .initJoysticks = _glfwInitJoysticksNull, + .terminateJoysticks = _glfwTerminateJoysticksNull, + .pollJoystick = _glfwPollJoystickNull, + .getMappingName = _glfwGetMappingNameNull, + .updateGamepadGUID = _glfwUpdateGamepadGUIDNull, +#endif + .freeMonitor = _glfwFreeMonitorX11, + .getMonitorPos = _glfwGetMonitorPosX11, + .getMonitorContentScale = _glfwGetMonitorContentScaleX11, + .getMonitorWorkarea = _glfwGetMonitorWorkareaX11, + .getVideoModes = _glfwGetVideoModesX11, + .getVideoMode = _glfwGetVideoModeX11, + .getGammaRamp = _glfwGetGammaRampX11, + .setGammaRamp = _glfwSetGammaRampX11, + .createWindow = _glfwCreateWindowX11, + .destroyWindow = _glfwDestroyWindowX11, + .setWindowTitle = _glfwSetWindowTitleX11, + .setWindowIcon = _glfwSetWindowIconX11, + .getWindowPos = _glfwGetWindowPosX11, + .setWindowPos = _glfwSetWindowPosX11, + .getWindowSize = _glfwGetWindowSizeX11, + .setWindowSize = _glfwSetWindowSizeX11, + .setWindowSizeLimits = _glfwSetWindowSizeLimitsX11, + .setWindowAspectRatio = _glfwSetWindowAspectRatioX11, + .getFramebufferSize = _glfwGetFramebufferSizeX11, + .getWindowFrameSize = _glfwGetWindowFrameSizeX11, + .getWindowContentScale = _glfwGetWindowContentScaleX11, + .iconifyWindow = _glfwIconifyWindowX11, + .restoreWindow = _glfwRestoreWindowX11, + .maximizeWindow = _glfwMaximizeWindowX11, + .showWindow = _glfwShowWindowX11, + .hideWindow = _glfwHideWindowX11, + .requestWindowAttention = _glfwRequestWindowAttentionX11, + .focusWindow = _glfwFocusWindowX11, + .setWindowMonitor = _glfwSetWindowMonitorX11, + .windowFocused = _glfwWindowFocusedX11, + .windowIconified = _glfwWindowIconifiedX11, + .windowVisible = _glfwWindowVisibleX11, + .windowMaximized = _glfwWindowMaximizedX11, + .windowHovered = _glfwWindowHoveredX11, + .framebufferTransparent = _glfwFramebufferTransparentX11, + .getWindowOpacity = _glfwGetWindowOpacityX11, + .setWindowResizable = _glfwSetWindowResizableX11, + .setWindowDecorated = _glfwSetWindowDecoratedX11, + .setWindowFloating = _glfwSetWindowFloatingX11, + .setWindowOpacity = _glfwSetWindowOpacityX11, + .setWindowMousePassthrough = _glfwSetWindowMousePassthroughX11, + .pollEvents = _glfwPollEventsX11, + .waitEvents = _glfwWaitEventsX11, + .waitEventsTimeout = _glfwWaitEventsTimeoutX11, + .postEmptyEvent = _glfwPostEmptyEventX11, + .getEGLPlatform = _glfwGetEGLPlatformX11, + .getEGLNativeDisplay = _glfwGetEGLNativeDisplayX11, + .getEGLNativeWindow = _glfwGetEGLNativeWindowX11, + .getRequiredInstanceExtensions = _glfwGetRequiredInstanceExtensionsX11, + .getPhysicalDevicePresentationSupport = _glfwGetPhysicalDevicePresentationSupportX11, + .createWindowSurface = _glfwCreateWindowSurfaceX11 + }; + + // HACK: If the application has left the locale as "C" then both wide + // character text input and explicit UTF-8 input via XIM will break + // This sets the CTYPE part of the current locale from the environment + // in the hope that it is set to something more sane than "C" + if (strcmp(setlocale(LC_CTYPE, NULL), "C") == 0) + setlocale(LC_CTYPE, ""); + +#if defined(__CYGWIN__) + void* module = _glfwPlatformLoadModule("libX11-6.so"); +#elif defined(__OpenBSD__) || defined(__NetBSD__) + void* module = _glfwPlatformLoadModule("libX11.so"); +#else + void* module = _glfwPlatformLoadModule("libX11.so.6"); +#endif + if (!module) + { + if (platformID == GLFW_PLATFORM_X11) + _glfwInputError(GLFW_PLATFORM_ERROR, "X11: Failed to load Xlib"); + + return GLFW_FALSE; + } + + PFN_XInitThreads XInitThreads = (PFN_XInitThreads) + _glfwPlatformGetModuleSymbol(module, "XInitThreads"); + PFN_XrmInitialize XrmInitialize = (PFN_XrmInitialize) + _glfwPlatformGetModuleSymbol(module, "XrmInitialize"); + PFN_XOpenDisplay XOpenDisplay = (PFN_XOpenDisplay) + _glfwPlatformGetModuleSymbol(module, "XOpenDisplay"); + if (!XInitThreads || !XrmInitialize || !XOpenDisplay) + { + if (platformID == GLFW_PLATFORM_X11) + _glfwInputError(GLFW_PLATFORM_ERROR, "X11: Failed to load Xlib entry point"); + + _glfwPlatformFreeModule(module); + return GLFW_FALSE; + } + + XInitThreads(); + XrmInitialize(); + + Display* display = XOpenDisplay(NULL); + if (!display) + { + if (platformID == GLFW_PLATFORM_X11) + { + const char* name = getenv("DISPLAY"); + if (name) + { + _glfwInputError(GLFW_PLATFORM_UNAVAILABLE, + "X11: Failed to open display %s", name); + } + else + { + _glfwInputError(GLFW_PLATFORM_UNAVAILABLE, + "X11: The DISPLAY environment variable is missing"); + } + } + + _glfwPlatformFreeModule(module); + return GLFW_FALSE; + } + + _glfw.x11.display = display; + _glfw.x11.xlib.handle = module; + + *platform = x11; + return GLFW_TRUE; +} + +int _glfwInitX11(void) +{ + _glfw.x11.xlib.AllocClassHint = (PFN_XAllocClassHint) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XAllocClassHint"); + _glfw.x11.xlib.AllocSizeHints = (PFN_XAllocSizeHints) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XAllocSizeHints"); + _glfw.x11.xlib.AllocWMHints = (PFN_XAllocWMHints) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XAllocWMHints"); + _glfw.x11.xlib.ChangeProperty = (PFN_XChangeProperty) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XChangeProperty"); + _glfw.x11.xlib.ChangeWindowAttributes = (PFN_XChangeWindowAttributes) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XChangeWindowAttributes"); + _glfw.x11.xlib.CheckIfEvent = (PFN_XCheckIfEvent) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCheckIfEvent"); + _glfw.x11.xlib.CheckTypedWindowEvent = (PFN_XCheckTypedWindowEvent) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCheckTypedWindowEvent"); + _glfw.x11.xlib.CloseDisplay = (PFN_XCloseDisplay) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCloseDisplay"); + _glfw.x11.xlib.CloseIM = (PFN_XCloseIM) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCloseIM"); + _glfw.x11.xlib.ConvertSelection = (PFN_XConvertSelection) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XConvertSelection"); + _glfw.x11.xlib.CreateColormap = (PFN_XCreateColormap) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCreateColormap"); + _glfw.x11.xlib.CreateFontCursor = (PFN_XCreateFontCursor) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCreateFontCursor"); + _glfw.x11.xlib.CreateIC = (PFN_XCreateIC) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCreateIC"); + _glfw.x11.xlib.CreateRegion = (PFN_XCreateRegion) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCreateRegion"); + _glfw.x11.xlib.CreateWindow = (PFN_XCreateWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XCreateWindow"); + _glfw.x11.xlib.DefineCursor = (PFN_XDefineCursor) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XDefineCursor"); + _glfw.x11.xlib.DeleteContext = (PFN_XDeleteContext) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XDeleteContext"); + _glfw.x11.xlib.DeleteProperty = (PFN_XDeleteProperty) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XDeleteProperty"); + _glfw.x11.xlib.DestroyIC = (PFN_XDestroyIC) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XDestroyIC"); + _glfw.x11.xlib.DestroyRegion = (PFN_XDestroyRegion) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XDestroyRegion"); + _glfw.x11.xlib.DestroyWindow = (PFN_XDestroyWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XDestroyWindow"); + _glfw.x11.xlib.DisplayKeycodes = (PFN_XDisplayKeycodes) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XDisplayKeycodes"); + _glfw.x11.xlib.EventsQueued = (PFN_XEventsQueued) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XEventsQueued"); + _glfw.x11.xlib.FilterEvent = (PFN_XFilterEvent) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XFilterEvent"); + _glfw.x11.xlib.FindContext = (PFN_XFindContext) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XFindContext"); + _glfw.x11.xlib.Flush = (PFN_XFlush) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XFlush"); + _glfw.x11.xlib.Free = (PFN_XFree) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XFree"); + _glfw.x11.xlib.FreeColormap = (PFN_XFreeColormap) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XFreeColormap"); + _glfw.x11.xlib.FreeCursor = (PFN_XFreeCursor) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XFreeCursor"); + _glfw.x11.xlib.FreeEventData = (PFN_XFreeEventData) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XFreeEventData"); + _glfw.x11.xlib.GetErrorText = (PFN_XGetErrorText) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetErrorText"); + _glfw.x11.xlib.GetEventData = (PFN_XGetEventData) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetEventData"); + _glfw.x11.xlib.GetICValues = (PFN_XGetICValues) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetICValues"); + _glfw.x11.xlib.GetIMValues = (PFN_XGetIMValues) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetIMValues"); + _glfw.x11.xlib.GetInputFocus = (PFN_XGetInputFocus) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetInputFocus"); + _glfw.x11.xlib.GetKeyboardMapping = (PFN_XGetKeyboardMapping) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetKeyboardMapping"); + _glfw.x11.xlib.GetScreenSaver = (PFN_XGetScreenSaver) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetScreenSaver"); + _glfw.x11.xlib.GetSelectionOwner = (PFN_XGetSelectionOwner) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetSelectionOwner"); + _glfw.x11.xlib.GetVisualInfo = (PFN_XGetVisualInfo) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetVisualInfo"); + _glfw.x11.xlib.GetWMNormalHints = (PFN_XGetWMNormalHints) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetWMNormalHints"); + _glfw.x11.xlib.GetWindowAttributes = (PFN_XGetWindowAttributes) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetWindowAttributes"); + _glfw.x11.xlib.GetWindowProperty = (PFN_XGetWindowProperty) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGetWindowProperty"); + _glfw.x11.xlib.GrabPointer = (PFN_XGrabPointer) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XGrabPointer"); + _glfw.x11.xlib.IconifyWindow = (PFN_XIconifyWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XIconifyWindow"); + _glfw.x11.xlib.InternAtom = (PFN_XInternAtom) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XInternAtom"); + _glfw.x11.xlib.LookupString = (PFN_XLookupString) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XLookupString"); + _glfw.x11.xlib.MapRaised = (PFN_XMapRaised) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XMapRaised"); + _glfw.x11.xlib.MapWindow = (PFN_XMapWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XMapWindow"); + _glfw.x11.xlib.MoveResizeWindow = (PFN_XMoveResizeWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XMoveResizeWindow"); + _glfw.x11.xlib.MoveWindow = (PFN_XMoveWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XMoveWindow"); + _glfw.x11.xlib.NextEvent = (PFN_XNextEvent) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XNextEvent"); + _glfw.x11.xlib.OpenIM = (PFN_XOpenIM) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XOpenIM"); + _glfw.x11.xlib.PeekEvent = (PFN_XPeekEvent) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XPeekEvent"); + _glfw.x11.xlib.Pending = (PFN_XPending) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XPending"); + _glfw.x11.xlib.QueryExtension = (PFN_XQueryExtension) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XQueryExtension"); + _glfw.x11.xlib.QueryPointer = (PFN_XQueryPointer) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XQueryPointer"); + _glfw.x11.xlib.RaiseWindow = (PFN_XRaiseWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XRaiseWindow"); + _glfw.x11.xlib.RegisterIMInstantiateCallback = (PFN_XRegisterIMInstantiateCallback) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XRegisterIMInstantiateCallback"); + _glfw.x11.xlib.ResizeWindow = (PFN_XResizeWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XResizeWindow"); + _glfw.x11.xlib.ResourceManagerString = (PFN_XResourceManagerString) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XResourceManagerString"); + _glfw.x11.xlib.SaveContext = (PFN_XSaveContext) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSaveContext"); + _glfw.x11.xlib.SelectInput = (PFN_XSelectInput) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSelectInput"); + _glfw.x11.xlib.SendEvent = (PFN_XSendEvent) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSendEvent"); + _glfw.x11.xlib.SetClassHint = (PFN_XSetClassHint) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetClassHint"); + _glfw.x11.xlib.SetErrorHandler = (PFN_XSetErrorHandler) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetErrorHandler"); + _glfw.x11.xlib.SetICFocus = (PFN_XSetICFocus) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetICFocus"); + _glfw.x11.xlib.SetIMValues = (PFN_XSetIMValues) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetIMValues"); + _glfw.x11.xlib.SetInputFocus = (PFN_XSetInputFocus) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetInputFocus"); + _glfw.x11.xlib.SetLocaleModifiers = (PFN_XSetLocaleModifiers) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetLocaleModifiers"); + _glfw.x11.xlib.SetScreenSaver = (PFN_XSetScreenSaver) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetScreenSaver"); + _glfw.x11.xlib.SetSelectionOwner = (PFN_XSetSelectionOwner) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetSelectionOwner"); + _glfw.x11.xlib.SetWMHints = (PFN_XSetWMHints) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetWMHints"); + _glfw.x11.xlib.SetWMNormalHints = (PFN_XSetWMNormalHints) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetWMNormalHints"); + _glfw.x11.xlib.SetWMProtocols = (PFN_XSetWMProtocols) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSetWMProtocols"); + _glfw.x11.xlib.SupportsLocale = (PFN_XSupportsLocale) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSupportsLocale"); + _glfw.x11.xlib.Sync = (PFN_XSync) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XSync"); + _glfw.x11.xlib.TranslateCoordinates = (PFN_XTranslateCoordinates) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XTranslateCoordinates"); + _glfw.x11.xlib.UndefineCursor = (PFN_XUndefineCursor) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XUndefineCursor"); + _glfw.x11.xlib.UngrabPointer = (PFN_XUngrabPointer) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XUngrabPointer"); + _glfw.x11.xlib.UnmapWindow = (PFN_XUnmapWindow) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XUnmapWindow"); + _glfw.x11.xlib.UnsetICFocus = (PFN_XUnsetICFocus) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XUnsetICFocus"); + _glfw.x11.xlib.VisualIDFromVisual = (PFN_XVisualIDFromVisual) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XVisualIDFromVisual"); + _glfw.x11.xlib.WarpPointer = (PFN_XWarpPointer) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XWarpPointer"); + _glfw.x11.xkb.FreeKeyboard = (PFN_XkbFreeKeyboard) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbFreeKeyboard"); + _glfw.x11.xkb.FreeNames = (PFN_XkbFreeNames) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbFreeNames"); + _glfw.x11.xkb.GetMap = (PFN_XkbGetMap) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbGetMap"); + _glfw.x11.xkb.GetNames = (PFN_XkbGetNames) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbGetNames"); + _glfw.x11.xkb.GetState = (PFN_XkbGetState) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbGetState"); + _glfw.x11.xkb.KeycodeToKeysym = (PFN_XkbKeycodeToKeysym) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbKeycodeToKeysym"); + _glfw.x11.xkb.QueryExtension = (PFN_XkbQueryExtension) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbQueryExtension"); + _glfw.x11.xkb.SelectEventDetails = (PFN_XkbSelectEventDetails) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbSelectEventDetails"); + _glfw.x11.xkb.SetDetectableAutoRepeat = (PFN_XkbSetDetectableAutoRepeat) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XkbSetDetectableAutoRepeat"); + _glfw.x11.xrm.DestroyDatabase = (PFN_XrmDestroyDatabase) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XrmDestroyDatabase"); + _glfw.x11.xrm.GetResource = (PFN_XrmGetResource) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XrmGetResource"); + _glfw.x11.xrm.GetStringDatabase = (PFN_XrmGetStringDatabase) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XrmGetStringDatabase"); + _glfw.x11.xrm.UniqueQuark = (PFN_XrmUniqueQuark) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XrmUniqueQuark"); + _glfw.x11.xlib.UnregisterIMInstantiateCallback = (PFN_XUnregisterIMInstantiateCallback) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "XUnregisterIMInstantiateCallback"); + _glfw.x11.xlib.utf8LookupString = (PFN_Xutf8LookupString) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "Xutf8LookupString"); + _glfw.x11.xlib.utf8SetWMProperties = (PFN_Xutf8SetWMProperties) + _glfwPlatformGetModuleSymbol(_glfw.x11.xlib.handle, "Xutf8SetWMProperties"); + + if (_glfw.x11.xlib.utf8LookupString && _glfw.x11.xlib.utf8SetWMProperties) + _glfw.x11.xlib.utf8 = GLFW_TRUE; + + _glfw.x11.screen = DefaultScreen(_glfw.x11.display); + _glfw.x11.root = RootWindow(_glfw.x11.display, _glfw.x11.screen); + _glfw.x11.context = XUniqueContext(); + + getSystemContentScale(&_glfw.x11.contentScaleX, &_glfw.x11.contentScaleY); + + if (!createEmptyEventPipe()) + return GLFW_FALSE; + + if (!initExtensions()) + return GLFW_FALSE; + + _glfw.x11.helperWindowHandle = createHelperWindow(); + _glfw.x11.hiddenCursorHandle = createHiddenCursor(); + + if (XSupportsLocale() && _glfw.x11.xlib.utf8) + { + XSetLocaleModifiers(""); + + // If an IM is already present our callback will be called right away + XRegisterIMInstantiateCallback(_glfw.x11.display, + NULL, NULL, NULL, + inputMethodInstantiateCallback, + NULL); + } + + _glfwPollMonitorsX11(); + return GLFW_TRUE; +} + +void _glfwTerminateX11(void) +{ + if (_glfw.x11.helperWindowHandle) + { + if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) == + _glfw.x11.helperWindowHandle) + { + _glfwPushSelectionToManagerX11(); + } + + XDestroyWindow(_glfw.x11.display, _glfw.x11.helperWindowHandle); + _glfw.x11.helperWindowHandle = None; + } + + if (_glfw.x11.hiddenCursorHandle) + { + XFreeCursor(_glfw.x11.display, _glfw.x11.hiddenCursorHandle); + _glfw.x11.hiddenCursorHandle = (Cursor) 0; + } + + _glfw_free(_glfw.x11.primarySelectionString); + _glfw_free(_glfw.x11.clipboardString); + + XUnregisterIMInstantiateCallback(_glfw.x11.display, + NULL, NULL, NULL, + inputMethodInstantiateCallback, + NULL); + + if (_glfw.x11.im) + { + XCloseIM(_glfw.x11.im); + _glfw.x11.im = NULL; + } + + if (_glfw.x11.display) + { + XCloseDisplay(_glfw.x11.display); + _glfw.x11.display = NULL; + } + + if (_glfw.x11.x11xcb.handle) + { + _glfwPlatformFreeModule(_glfw.x11.x11xcb.handle); + _glfw.x11.x11xcb.handle = NULL; + } + + if (_glfw.x11.xcursor.handle) + { + _glfwPlatformFreeModule(_glfw.x11.xcursor.handle); + _glfw.x11.xcursor.handle = NULL; + } + + if (_glfw.x11.randr.handle) + { + _glfwPlatformFreeModule(_glfw.x11.randr.handle); + _glfw.x11.randr.handle = NULL; + } + + if (_glfw.x11.xinerama.handle) + { + _glfwPlatformFreeModule(_glfw.x11.xinerama.handle); + _glfw.x11.xinerama.handle = NULL; + } + + if (_glfw.x11.xrender.handle) + { + _glfwPlatformFreeModule(_glfw.x11.xrender.handle); + _glfw.x11.xrender.handle = NULL; + } + + if (_glfw.x11.vidmode.handle) + { + _glfwPlatformFreeModule(_glfw.x11.vidmode.handle); + _glfw.x11.vidmode.handle = NULL; + } + + if (_glfw.x11.xi.handle) + { + _glfwPlatformFreeModule(_glfw.x11.xi.handle); + _glfw.x11.xi.handle = NULL; + } + + _glfwTerminateOSMesa(); + // NOTE: These need to be unloaded after XCloseDisplay, as they register + // cleanup callbacks that get called by that function + _glfwTerminateEGL(); + _glfwTerminateGLX(); + + if (_glfw.x11.xlib.handle) + { + _glfwPlatformFreeModule(_glfw.x11.xlib.handle); + _glfw.x11.xlib.handle = NULL; + } + + if (_glfw.x11.emptyEventPipe[0] || _glfw.x11.emptyEventPipe[1]) + { + close(_glfw.x11.emptyEventPipe[0]); + close(_glfw.x11.emptyEventPipe[1]); + } +} + +#endif // _GLFW_X11 + |