| //======================================================================== |
| // GLFW 3.1 X11 - www.glfw.org |
| //------------------------------------------------------------------------ |
| // Copyright (c) 2002-2006 Marcus Geelnard |
| // Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.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 be layout dependent (i.e. US layout and international |
| // layouts should give the same result). |
| 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.publicKeys, -1, sizeof(_glfw.x11.publicKeys)); |
| |
| 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.publicKeys[scancode] = key; |
| } |
| |
| XkbFreeNames(desc, XkbKeyNamesMask, True); |
| XkbFreeClientMap(desc, 0, True); |
| } |
| |
| // Translate the un-translated key codes using traditional X11 KeySym |
| // lookups |
| for (scancode = 0; scancode < 256; scancode++) |
| { |
| if (_glfw.x11.publicKeys[scancode] < 0) |
| _glfw.x11.publicKeys[scancode] = translateKeyCode(scancode); |
| } |
| } |
| |
| // Check whether the IM has a usable style |
| // |
| static GLboolean hasUsableInputMethodStyle(void) |
| { |
| unsigned int i; |
| GLboolean found = GL_FALSE; |
| XIMStyles* styles = NULL; |
| |
| if (XGetIMValues(_glfw.x11.im, XNQueryInputStyle, &styles, NULL) != NULL) |
| return GL_FALSE; |
| |
| for (i = 0; i < styles->count_styles; i++) |
| { |
| if (styles->supported_styles[i] == (XIMPreeditNothing | XIMStatusNothing)) |
| { |
| found = GL_TRUE; |
| break; |
| } |
| } |
| |
| XFree(styles); |
| return found; |
| } |
| |
| // Check whether the specified atom is supported |
| // |
| static Atom getSupportedAtom(Atom* supportedAtoms, |
| unsigned long atomCount, |
| const char* atomName) |
| { |
| Atom atom = XInternAtom(_glfw.x11.display, atomName, True); |
| if (atom != None) |
| { |
| unsigned long i; |
| |
| 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, which should already be there |
| Atom supportingWmCheck = |
| XInternAtom(_glfw.x11.display, "_NET_SUPPORTING_WM_CHECK", True); |
| Atom wmSupported = |
| XInternAtom(_glfw.x11.display, "_NET_SUPPORTED", True); |
| if (supportingWmCheck == None || wmSupported == None) |
| return; |
| |
| // Then we look for the _NET_SUPPORTING_WM_CHECK property of the root window |
| if (_glfwGetWindowProperty(_glfw.x11.root, |
| supportingWmCheck, |
| XA_WINDOW, |
| (unsigned char**) &windowFromRoot) != 1) |
| { |
| if (windowFromRoot) |
| XFree(windowFromRoot); |
| return; |
| } |
| |
| _glfwGrabXErrorHandler(); |
| |
| // It should be the ID of a child window (of the root) |
| // Then we look for the same property on the child window |
| if (_glfwGetWindowProperty(*windowFromRoot, |
| supportingWmCheck, |
| XA_WINDOW, |
| (unsigned char**) &windowFromChild) != 1) |
| { |
| XFree(windowFromRoot); |
| if (windowFromChild) |
| XFree(windowFromChild); |
| return; |
| } |
| |
| _glfwReleaseXErrorHandler(); |
| |
| // 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 = _glfwGetWindowProperty(_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_FULLSCREEN_MONITORS = |
| getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_FULLSCREEN_MONITORS"); |
| _glfw.x11.NET_WM_NAME = |
| getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_NAME"); |
| _glfw.x11.NET_WM_ICON_NAME = |
| getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_ICON_NAME"); |
| _glfw.x11.NET_WM_PID = |
| getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_PID"); |
| _glfw.x11.NET_WM_PING = |
| getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_PING"); |
| _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"); |
| _glfw.x11.NET_WM_BYPASS_COMPOSITOR = |
| getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_BYPASS_COMPOSITOR"); |
| |
| XFree(supportedAtoms); |
| } |
| |
| // Initialize X11 display and look for supported X11 extensions |
| // |
| static GLboolean initExtensions(void) |
| { |
| // Find or create window manager atoms |
| _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.MOTIF_WM_HINTS = XInternAtom(_glfw.x11.display, |
| "_MOTIF_WM_HINTS", |
| False); |
| |
| #if defined(_GLFW_HAS_XF86VM) |
| // Check for XF86VidMode extension |
| _glfw.x11.vidmode.available = |
| XF86VidModeQueryExtension(_glfw.x11.display, |
| &_glfw.x11.vidmode.eventBase, |
| &_glfw.x11.vidmode.errorBase); |
| #endif /*_GLFW_HAS_XF86VM*/ |
| |
| // Check for RandR extension |
| _glfw.x11.randr.available = |
| XRRQueryExtension(_glfw.x11.display, |
| &_glfw.x11.randr.eventBase, |
| &_glfw.x11.randr.errorBase); |
| |
| if (_glfw.x11.randr.available) |
| { |
| XRRScreenResources* sr; |
| |
| if (!XRRQueryVersion(_glfw.x11.display, |
| &_glfw.x11.randr.major, |
| &_glfw.x11.randr.minor)) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "X11: Failed to query RandR version"); |
| return GL_FALSE; |
| } |
| |
| // 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 = GL_FALSE; |
| |
| sr = XRRGetScreenResources(_glfw.x11.display, _glfw.x11.root); |
| |
| if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0])) |
| { |
| // This is either a headless system or an older Nvidia binary driver |
| // with broken gamma support |
| // Flag it as useless and fall back to Xf86VidMode gamma, if |
| // available |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "X11: RandR gamma ramp support seems broken"); |
| _glfw.x11.randr.gammaBroken = GL_TRUE; |
| } |
| |
| XRRFreeScreenResources(sr); |
| } |
| |
| if (XineramaQueryExtension(_glfw.x11.display, |
| &_glfw.x11.xinerama.major, |
| &_glfw.x11.xinerama.minor)) |
| { |
| if (XineramaIsActive(_glfw.x11.display)) |
| _glfw.x11.xinerama.available = GL_TRUE; |
| } |
| |
| #if defined(_GLFW_HAS_XINPUT) |
| 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) != BadRequest) |
| { |
| _glfw.x11.xi.available = GL_TRUE; |
| } |
| } |
| #endif /*_GLFW_HAS_XINPUT*/ |
| |
| // Check if Xkb is supported on this display |
| _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 = GL_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(); |
| |
| // Find or create 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.COMPOUND_STRING = |
| XInternAtom(_glfw.x11.display, "COMPOUND_STRING", False); |
| _glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False); |
| |
| // Find or create selection property atom |
| _glfw.x11.GLFW_SELECTION = |
| XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False); |
| |
| // Find or create standard clipboard atoms |
| _glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False); |
| _glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False); |
| _glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False); |
| |
| // Find or create 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); |
| |
| // Find Xdnd (drag and drop) atoms, if available |
| _glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", True); |
| _glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", True); |
| _glfw.x11.XdndPosition = XInternAtom(_glfw.x11.display, "XdndPosition", True); |
| _glfw.x11.XdndStatus = XInternAtom(_glfw.x11.display, "XdndStatus", True); |
| _glfw.x11.XdndActionCopy = XInternAtom(_glfw.x11.display, "XdndActionCopy", True); |
| _glfw.x11.XdndDrop = XInternAtom(_glfw.x11.display, "XdndDrop", True); |
| _glfw.x11.XdndLeave = XInternAtom(_glfw.x11.display, "XdndLeave", True); |
| _glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", True); |
| _glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", True); |
| |
| return GL_TRUE; |
| } |
| |
| // Create a blank cursor for hidden and disabled cursor modes |
| // |
| static Cursor createNULLCursor(void) |
| { |
| unsigned char pixels[16 * 16 * 4]; |
| GLFWimage image = { 16, 16, pixels }; |
| |
| memset(pixels, 0, sizeof(pixels)); |
| |
| return _glfwCreateCursor(&image, 0, 0); |
| } |
| |
| // 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 _glfwGrabXErrorHandler(void) |
| { |
| _glfw.x11.errorCode = Success; |
| XSetErrorHandler(errorHandler); |
| } |
| |
| // Clears the X error handler callback |
| // |
| void _glfwReleaseXErrorHandler(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 _glfwInputXError(int error, const char* message) |
| { |
| char buffer[8192]; |
| 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 _glfwCreateCursor(const GLFWimage* image, int xhot, int yhot) |
| { |
| int i; |
| Cursor cursor; |
| |
| 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) |
| { |
| *target = (source[3] << 24) | |
| (source[0] << 16) | |
| (source[1] << 8) | |
| source[2]; |
| } |
| |
| 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, apply the environment's locale |
| // This is done because the C locale breaks wide character input |
| if (strcmp(setlocale(LC_CTYPE, NULL), "C") == 0) |
| setlocale(LC_CTYPE, ""); |
| #endif |
| |
| XInitThreads(); |
| |
| _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 GL_FALSE; |
| } |
| |
| _glfw.x11.screen = DefaultScreen(_glfw.x11.display); |
| _glfw.x11.root = RootWindow(_glfw.x11.display, _glfw.x11.screen); |
| _glfw.x11.context = XUniqueContext(); |
| |
| if (!initExtensions()) |
| return GL_FALSE; |
| |
| _glfw.x11.cursor = createNULLCursor(); |
| |
| 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 (!_glfwInitContextAPI()) |
| return GL_FALSE; |
| |
| if (!_glfwInitJoysticks()) |
| return GL_FALSE; |
| |
| _glfwInitTimer(); |
| |
| return GL_TRUE; |
| } |
| |
| void _glfwPlatformTerminate(void) |
| { |
| if (_glfw.x11.cursor) |
| { |
| XFreeCursor(_glfw.x11.display, _glfw.x11.cursor); |
| _glfw.x11.cursor = (Cursor) 0; |
| } |
| |
| free(_glfw.x11.clipboardString); |
| |
| if (_glfw.x11.im) |
| { |
| XCloseIM(_glfw.x11.im); |
| _glfw.x11.im = NULL; |
| } |
| |
| _glfwTerminateJoysticks(); |
| |
| if (_glfw.x11.display) |
| { |
| XCloseDisplay(_glfw.x11.display); |
| _glfw.x11.display = NULL; |
| } |
| |
| // NOTE: This needs to be done after XCloseDisplay, as libGL registers |
| // internal cleanup callbacks in libX11 |
| _glfwTerminateContextAPI(); |
| } |
| |
| const char* _glfwPlatformGetVersionString(void) |
| { |
| return _GLFW_VERSION_NUMBER " X11" |
| #if defined(_GLFW_GLX) |
| " GLX" |
| #elif defined(_GLFW_EGL) |
| " EGL" |
| #endif |
| #if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK) |
| " clock_gettime" |
| #else |
| " gettimeofday" |
| #endif |
| #if defined(__linux__) |
| " /dev/js" |
| #endif |
| #if defined(_GLFW_HAS_XINPUT) |
| " XI" |
| #endif |
| #if defined(_GLFW_HAS_XF86VM) |
| " Xf86vm" |
| #endif |
| #if defined(_GLFW_BUILD_DLL) |
| " shared" |
| #endif |
| ; |
| } |
| |