diff options
author | chai <chaifix@163.com> | 2021-12-13 00:07:19 +0800 |
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committer | chai <chaifix@163.com> | 2021-12-13 00:07:19 +0800 |
commit | 60cbbdec07ab7a5636eac5b3c024ae44e937f4d4 (patch) | |
tree | b2c7b0a868f18159dbc43d8954e1bd7668549a88 /Client/ThirdParty/Box2D/extern/glfw/src/x11_init.c |
+init
Diffstat (limited to 'Client/ThirdParty/Box2D/extern/glfw/src/x11_init.c')
-rw-r--r-- | Client/ThirdParty/Box2D/extern/glfw/src/x11_init.c | 1096 |
1 files changed, 1096 insertions, 0 deletions
diff --git a/Client/ThirdParty/Box2D/extern/glfw/src/x11_init.c b/Client/ThirdParty/Box2D/extern/glfw/src/x11_init.c new file mode 100644 index 0000000..e3e3ad5 --- /dev/null +++ b/Client/ThirdParty/Box2D/extern/glfw/src/x11_init.c @@ -0,0 +1,1096 @@ +//======================================================================== +// GLFW 3.3 X11 - www.glfw.org +//------------------------------------------------------------------------ +// Copyright (c) 2002-2006 Marcus Geelnard +// Copyright (c) 2006-2016 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" + +#include <X11/Xresource.h> + +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <stdio.h> +#include <locale.h> + + +// Translate an X11 key code to a GLFW key code. +// +static int translateKeyCode(int scancode) +{ + int keySym; + + // Valid key code range is [8,255], according to the Xlib manual + if (scancode < 8 || scancode > 255) + return GLFW_KEY_UNKNOWN; + + if (_glfw.x11.xkb.available) + { + // Try secondary keysym, for numeric keypad keys + // Note: This way we always force "NumLock = ON", which is intentional + // since the returned key code should correspond to a physical + // location. + keySym = XkbKeycodeToKeysym(_glfw.x11.display, scancode, 0, 1); + switch (keySym) + { + 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; + } + + // Now try primary keysym for function keys (non-printable keys) + // These should not depend on the current keyboard layout + keySym = XkbKeycodeToKeysym(_glfw.x11.display, scancode, 0, 0); + } + else + { + int dummy; + KeySym* keySyms; + + keySyms = XGetKeyboardMapping(_glfw.x11.display, scancode, 1, &dummy); + keySym = keySyms[0]; + XFree(keySyms); + } + + switch (keySym) + { + 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 scancode, key; + + 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 + + char name[XkbKeyNameLength + 1]; + XkbDescPtr desc = XkbGetMap(_glfw.x11.display, 0, XkbUseCoreKbd); + XkbGetNames(_glfw.x11.display, XkbKeyNamesMask, desc); + + // Find the X11 key code -> GLFW key code mapping + for (scancode = desc->min_key_code; scancode <= desc->max_key_code; scancode++) + { + memcpy(name, desc->names->keys[scancode].name, XkbKeyNameLength); + name[XkbKeyNameLength] = '\0'; + + // Map the key name to a GLFW key code. Note: We only map printable + // keys here, and we use the US keyboard layout. The rest of the + // keys (function keys) are mapped using traditional KeySym + // translations. + if (strcmp(name, "TLDE") == 0) key = GLFW_KEY_GRAVE_ACCENT; + else if (strcmp(name, "AE01") == 0) key = GLFW_KEY_1; + else if (strcmp(name, "AE02") == 0) key = GLFW_KEY_2; + else if (strcmp(name, "AE03") == 0) key = GLFW_KEY_3; + else if (strcmp(name, "AE04") == 0) key = GLFW_KEY_4; + else if (strcmp(name, "AE05") == 0) key = GLFW_KEY_5; + else if (strcmp(name, "AE06") == 0) key = GLFW_KEY_6; + else if (strcmp(name, "AE07") == 0) key = GLFW_KEY_7; + else if (strcmp(name, "AE08") == 0) key = GLFW_KEY_8; + else if (strcmp(name, "AE09") == 0) key = GLFW_KEY_9; + else if (strcmp(name, "AE10") == 0) key = GLFW_KEY_0; + else if (strcmp(name, "AE11") == 0) key = GLFW_KEY_MINUS; + else if (strcmp(name, "AE12") == 0) key = GLFW_KEY_EQUAL; + else if (strcmp(name, "AD01") == 0) key = GLFW_KEY_Q; + else if (strcmp(name, "AD02") == 0) key = GLFW_KEY_W; + else if (strcmp(name, "AD03") == 0) key = GLFW_KEY_E; + else if (strcmp(name, "AD04") == 0) key = GLFW_KEY_R; + else if (strcmp(name, "AD05") == 0) key = GLFW_KEY_T; + else if (strcmp(name, "AD06") == 0) key = GLFW_KEY_Y; + else if (strcmp(name, "AD07") == 0) key = GLFW_KEY_U; + else if (strcmp(name, "AD08") == 0) key = GLFW_KEY_I; + else if (strcmp(name, "AD09") == 0) key = GLFW_KEY_O; + else if (strcmp(name, "AD10") == 0) key = GLFW_KEY_P; + else if (strcmp(name, "AD11") == 0) key = GLFW_KEY_LEFT_BRACKET; + else if (strcmp(name, "AD12") == 0) key = GLFW_KEY_RIGHT_BRACKET; + else if (strcmp(name, "AC01") == 0) key = GLFW_KEY_A; + else if (strcmp(name, "AC02") == 0) key = GLFW_KEY_S; + else if (strcmp(name, "AC03") == 0) key = GLFW_KEY_D; + else if (strcmp(name, "AC04") == 0) key = GLFW_KEY_F; + else if (strcmp(name, "AC05") == 0) key = GLFW_KEY_G; + else if (strcmp(name, "AC06") == 0) key = GLFW_KEY_H; + else if (strcmp(name, "AC07") == 0) key = GLFW_KEY_J; + else if (strcmp(name, "AC08") == 0) key = GLFW_KEY_K; + else if (strcmp(name, "AC09") == 0) key = GLFW_KEY_L; + else if (strcmp(name, "AC10") == 0) key = GLFW_KEY_SEMICOLON; + else if (strcmp(name, "AC11") == 0) key = GLFW_KEY_APOSTROPHE; + else if (strcmp(name, "AB01") == 0) key = GLFW_KEY_Z; + else if (strcmp(name, "AB02") == 0) key = GLFW_KEY_X; + else if (strcmp(name, "AB03") == 0) key = GLFW_KEY_C; + else if (strcmp(name, "AB04") == 0) key = GLFW_KEY_V; + else if (strcmp(name, "AB05") == 0) key = GLFW_KEY_B; + else if (strcmp(name, "AB06") == 0) key = GLFW_KEY_N; + else if (strcmp(name, "AB07") == 0) key = GLFW_KEY_M; + else if (strcmp(name, "AB08") == 0) key = GLFW_KEY_COMMA; + else if (strcmp(name, "AB09") == 0) key = GLFW_KEY_PERIOD; + else if (strcmp(name, "AB10") == 0) key = GLFW_KEY_SLASH; + else if (strcmp(name, "BKSL") == 0) key = GLFW_KEY_BACKSLASH; + else if (strcmp(name, "LSGT") == 0) key = GLFW_KEY_WORLD_1; + else key = GLFW_KEY_UNKNOWN; + + if ((scancode >= 0) && (scancode < 256)) + _glfw.x11.keycodes[scancode] = key; + } + + XkbFreeNames(desc, XkbKeyNamesMask, True); + XkbFreeKeyboard(desc, 0, True); + } + + for (scancode = 0; scancode < 256; scancode++) + { + // Translate the un-translated key codes using traditional X11 KeySym + // lookups + if (_glfw.x11.keycodes[scancode] < 0) + _glfw.x11.keycodes[scancode] = translateKeyCode(scancode); + + // Store the reverse translation for faster key name lookup + if (_glfw.x11.keycodes[scancode] > 0) + _glfw.x11.scancodes[_glfw.x11.keycodes[scancode]] = scancode; + } +} + +// Check whether the IM has a usable style +// +static GLFWbool hasUsableInputMethodStyle(void) +{ + unsigned int i; + GLFWbool found = GLFW_FALSE; + XIMStyles* styles = NULL; + + if (XGetIMValues(_glfw.x11.im, XNQueryInputStyle, &styles, NULL) != NULL) + return GLFW_FALSE; + + for (i = 0; i < styles->count_styles; i++) + { + if (styles->supported_styles[i] == (XIMPreeditNothing | XIMStatusNothing)) + { + found = GLFW_TRUE; + break; + } + } + + XFree(styles); + return found; +} + +// Check whether the specified atom is supported +// +static Atom getSupportedAtom(Atom* supportedAtoms, + unsigned long atomCount, + const char* atomName) +{ + unsigned long i; + const Atom atom = XInternAtom(_glfw.x11.display, atomName, False); + + for (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) +{ + Window* windowFromRoot = NULL; + Window* windowFromChild = NULL; + + // First we need a couple of atoms + const Atom supportingWmCheck = + XInternAtom(_glfw.x11.display, "_NET_SUPPORTING_WM_CHECK", False); + const Atom wmSupported = + XInternAtom(_glfw.x11.display, "_NET_SUPPORTED", False); + + // Then we look for the _NET_SUPPORTING_WM_CHECK property of the root window + if (!_glfwGetWindowPropertyX11(_glfw.x11.root, + supportingWmCheck, + XA_WINDOW, + (unsigned char**) &windowFromRoot)) + { + return; + } + + _glfwGrabErrorHandlerX11(); + + // It should be the ID of a child window (of the root) + // Then we look for the same property on the child window + if (!_glfwGetWindowPropertyX11(*windowFromRoot, + supportingWmCheck, + XA_WINDOW, + (unsigned char**) &windowFromChild)) + { + XFree(windowFromRoot); + return; + } + + _glfwReleaseErrorHandlerX11(); + + // It should be the ID of that same child window + if (*windowFromRoot != *windowFromChild) + { + XFree(windowFromRoot); + XFree(windowFromChild); + return; + } + + XFree(windowFromRoot); + XFree(windowFromChild); + + // We are now fairly sure that an EWMH-compliant window manager is running + + Atom* supportedAtoms; + unsigned long atomCount; + + // Now we need to check the _NET_SUPPORTED property of the root window + // It should be a list of supported WM protocol and state atoms + atomCount = _glfwGetWindowPropertyX11(_glfw.x11.root, + wmSupported, + XA_ATOM, + (unsigned char**) &supportedAtoms); + + // See which of the atoms we support that are supported by the WM + _glfw.x11.NET_WM_STATE = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE"); + _glfw.x11.NET_WM_STATE_ABOVE = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_ABOVE"); + _glfw.x11.NET_WM_STATE_FULLSCREEN = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN"); + _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_VERT"); + _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_HORZ"); + _glfw.x11.NET_WM_STATE_DEMANDS_ATTENTION = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_DEMANDS_ATTENTION"); + _glfw.x11.NET_WM_FULLSCREEN_MONITORS = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_FULLSCREEN_MONITORS"); + _glfw.x11.NET_WM_WINDOW_TYPE = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE"); + _glfw.x11.NET_WM_WINDOW_TYPE_NORMAL = + getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE_NORMAL"); + _glfw.x11.NET_ACTIVE_WINDOW = + getSupportedAtom(supportedAtoms, atomCount, "_NET_ACTIVE_WINDOW"); + _glfw.x11.NET_FRAME_EXTENTS = + getSupportedAtom(supportedAtoms, atomCount, "_NET_FRAME_EXTENTS"); + _glfw.x11.NET_REQUEST_FRAME_EXTENTS = + getSupportedAtom(supportedAtoms, atomCount, "_NET_REQUEST_FRAME_EXTENTS"); + + if (supportedAtoms) + XFree(supportedAtoms); +} + +// Look for and initialize supported X11 extensions +// +static GLFWbool initExtensions(void) +{ + _glfw.x11.vidmode.handle = _glfw_dlopen("libXxf86vm.so.1"); + if (_glfw.x11.vidmode.handle) + { + _glfw.x11.vidmode.QueryExtension = (PFN_XF86VidModeQueryExtension) + _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeQueryExtension"); + _glfw.x11.vidmode.GetGammaRamp = (PFN_XF86VidModeGetGammaRamp) + _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRamp"); + _glfw.x11.vidmode.SetGammaRamp = (PFN_XF86VidModeSetGammaRamp) + _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeSetGammaRamp"); + _glfw.x11.vidmode.GetGammaRampSize = (PFN_XF86VidModeGetGammaRampSize) + _glfw_dlsym(_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 = _glfw_dlopen("libXi-6.so"); +#else + _glfw.x11.xi.handle = _glfw_dlopen("libXi.so.6"); +#endif + if (_glfw.x11.xi.handle) + { + _glfw.x11.xi.QueryVersion = (PFN_XIQueryVersion) + _glfw_dlsym(_glfw.x11.xi.handle, "XIQueryVersion"); + _glfw.x11.xi.SelectEvents = (PFN_XISelectEvents) + _glfw_dlsym(_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 = _glfw_dlopen("libXrandr-2.so"); +#else + _glfw.x11.randr.handle = _glfw_dlopen("libXrandr.so.2"); +#endif + if (_glfw.x11.randr.handle) + { + _glfw.x11.randr.AllocGamma = (PFN_XRRAllocGamma) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRAllocGamma"); + _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma"); + _glfw.x11.randr.FreeCrtcInfo = (PFN_XRRFreeCrtcInfo) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeCrtcInfo"); + _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma"); + _glfw.x11.randr.FreeOutputInfo = (PFN_XRRFreeOutputInfo) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeOutputInfo"); + _glfw.x11.randr.FreeScreenResources = (PFN_XRRFreeScreenResources) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeScreenResources"); + _glfw.x11.randr.GetCrtcGamma = (PFN_XRRGetCrtcGamma) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGamma"); + _glfw.x11.randr.GetCrtcGammaSize = (PFN_XRRGetCrtcGammaSize) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGammaSize"); + _glfw.x11.randr.GetCrtcInfo = (PFN_XRRGetCrtcInfo) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcInfo"); + _glfw.x11.randr.GetOutputInfo = (PFN_XRRGetOutputInfo) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputInfo"); + _glfw.x11.randr.GetOutputPrimary = (PFN_XRRGetOutputPrimary) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputPrimary"); + _glfw.x11.randr.GetScreenResourcesCurrent = (PFN_XRRGetScreenResourcesCurrent) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetScreenResourcesCurrent"); + _glfw.x11.randr.QueryExtension = (PFN_XRRQueryExtension) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryExtension"); + _glfw.x11.randr.QueryVersion = (PFN_XRRQueryVersion) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryVersion"); + _glfw.x11.randr.SelectInput = (PFN_XRRSelectInput) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRSelectInput"); + _glfw.x11.randr.SetCrtcConfig = (PFN_XRRSetCrtcConfig) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcConfig"); + _glfw.x11.randr.SetCrtcGamma = (PFN_XRRSetCrtcGamma) + _glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcGamma"); + _glfw.x11.randr.UpdateConfiguration = (PFN_XRRUpdateConfiguration) + _glfw_dlsym(_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 = _glfw_dlopen("libXcursor-1.so"); +#else + _glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor.so.1"); +#endif + if (_glfw.x11.xcursor.handle) + { + _glfw.x11.xcursor.ImageCreate = (PFN_XcursorImageCreate) + _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageCreate"); + _glfw.x11.xcursor.ImageDestroy = (PFN_XcursorImageDestroy) + _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageDestroy"); + _glfw.x11.xcursor.ImageLoadCursor = (PFN_XcursorImageLoadCursor) + _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageLoadCursor"); + } + +#if defined(__CYGWIN__) + _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama-1.so"); +#else + _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama.so.1"); +#endif + if (_glfw.x11.xinerama.handle) + { + _glfw.x11.xinerama.IsActive = (PFN_XineramaIsActive) + _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaIsActive"); + _glfw.x11.xinerama.QueryExtension = (PFN_XineramaQueryExtension) + _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaQueryExtension"); + _glfw.x11.xinerama.QueryScreens = (PFN_XineramaQueryScreens) + _glfw_dlsym(_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; + } + } + +#if defined(__CYGWIN__) + _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb-1.so"); +#else + _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb.so.1"); +#endif + if (_glfw.x11.x11xcb.handle) + { + _glfw.x11.x11xcb.GetXCBConnection = (PFN_XGetXCBConnection) + _glfw_dlsym(_glfw.x11.x11xcb.handle, "XGetXCBConnection"); + } + +#if defined(__CYGWIN__) + _glfw.x11.xrender.handle = _glfw_dlopen("libXrender-1.so"); +#else + _glfw.x11.xrender.handle = _glfw_dlopen("libXrender.so.1"); +#endif + if (_glfw.x11.xrender.handle) + { + _glfw.x11.xrender.QueryExtension = (PFN_XRenderQueryExtension) + _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryExtension"); + _glfw.x11.xrender.QueryVersion = (PFN_XRenderQueryVersion) + _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryVersion"); + _glfw.x11.xrender.FindVisualFormat = (PFN_XRenderFindVisualFormat) + _glfw_dlsym(_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; + } + } + } + + // Update the key code LUT + // FIXME: We should listen to XkbMapNotify events to track changes to + // the keyboard mapping. + createKeyTables(); + + // Detect whether an EWMH-conformant window manager is running + detectEWMH(); + + // 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_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); + } + + return GLFW_TRUE; +} + +// Retrieve system content scale via folklore heuristics +// +static void getSystemContentScale(float* xscale, float* yscale) +{ + // NOTE: Fall back to the display-wide DPI instead of RandR monitor DPI if + // Xft.dpi retrieval below fails as we don't currently have an exact + // policy for which monitor a window is considered to "be on" + float xdpi = DisplayWidth(_glfw.x11.display, _glfw.x11.screen) * + 25.4f / DisplayWidthMM(_glfw.x11.display, _glfw.x11.screen); + float ydpi = DisplayHeight(_glfw.x11.display, _glfw.x11.screen) * + 25.4f / DisplayHeightMM(_glfw.x11.display, _glfw.x11.screen); + + // 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 _glfwCreateCursorX11(&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); +} + +// X error handler +// +static int errorHandler(Display *display, XErrorEvent* event) +{ + _glfw.x11.errorCode = event->error_code; + return 0; +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW internal API ////// +////////////////////////////////////////////////////////////////////////// + +// Sets the X error handler callback +// +void _glfwGrabErrorHandlerX11(void) +{ + _glfw.x11.errorCode = Success; + 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(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 _glfwCreateCursorX11(const GLFWimage* image, int xhot, int yhot) +{ + int i; + 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 (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 ////// +////////////////////////////////////////////////////////////////////////// + +int _glfwPlatformInit(void) +{ +#if !defined(X_HAVE_UTF8_STRING) + // HACK: If the current locale is "C" and the Xlib UTF-8 functions are + // unavailable, apply the environment's locale in the hope that it's + // both available and not "C" + // This is done because the "C" locale breaks wide character input, + // which is what we fall back on when UTF-8 support is missing + if (strcmp(setlocale(LC_CTYPE, NULL), "C") == 0) + setlocale(LC_CTYPE, ""); +#endif + + XInitThreads(); + XrmInitialize(); + + _glfw.x11.display = XOpenDisplay(NULL); + if (!_glfw.x11.display) + { + const char* display = getenv("DISPLAY"); + if (display) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "X11: Failed to open display %s", display); + } + else + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "X11: The DISPLAY environment variable is missing"); + } + + return GLFW_FALSE; + } + + _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 (!initExtensions()) + return GLFW_FALSE; + + _glfw.x11.helperWindowHandle = createHelperWindow(); + _glfw.x11.hiddenCursorHandle = createHiddenCursor(); + + if (XSupportsLocale()) + { + XSetLocaleModifiers(""); + + _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 defined(__linux__) + if (!_glfwInitJoysticksLinux()) + return GLFW_FALSE; +#endif + + _glfwInitTimerPOSIX(); + + _glfwPollMonitorsX11(); + return GLFW_TRUE; +} + +void _glfwPlatformTerminate(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; + } + + free(_glfw.x11.primarySelectionString); + free(_glfw.x11.clipboardString); + + 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) + { + _glfw_dlclose(_glfw.x11.x11xcb.handle); + _glfw.x11.x11xcb.handle = NULL; + } + + if (_glfw.x11.xcursor.handle) + { + _glfw_dlclose(_glfw.x11.xcursor.handle); + _glfw.x11.xcursor.handle = NULL; + } + + if (_glfw.x11.randr.handle) + { + _glfw_dlclose(_glfw.x11.randr.handle); + _glfw.x11.randr.handle = NULL; + } + + if (_glfw.x11.xinerama.handle) + { + _glfw_dlclose(_glfw.x11.xinerama.handle); + _glfw.x11.xinerama.handle = NULL; + } + + if (_glfw.x11.xrender.handle) + { + _glfw_dlclose(_glfw.x11.xrender.handle); + _glfw.x11.xrender.handle = NULL; + } + + if (_glfw.x11.vidmode.handle) + { + _glfw_dlclose(_glfw.x11.vidmode.handle); + _glfw.x11.vidmode.handle = NULL; + } + + if (_glfw.x11.xi.handle) + { + _glfw_dlclose(_glfw.x11.xi.handle); + _glfw.x11.xi.handle = NULL; + } + + // NOTE: These need to be unloaded after XCloseDisplay, as they register + // cleanup callbacks that get called by that function + _glfwTerminateEGL(); + _glfwTerminateGLX(); + +#if defined(__linux__) + _glfwTerminateJoysticksLinux(); +#endif +} + +const char* _glfwPlatformGetVersionString(void) +{ + return _GLFW_VERSION_NUMBER " X11 GLX EGL" +#if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK) + " clock_gettime" +#else + " gettimeofday" +#endif +#if defined(__linux__) + " evdev" +#endif +#if defined(_GLFW_BUILD_DLL) + " shared" +#endif + ; +} + |