mirror of
https://github.com/hajimehoshi/ebiten.git
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1285 lines
47 KiB
C
1285 lines
47 KiB
C
// SPDX-License-Identifier: Apache-2.0
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// SPDX-FileCopyrightText: 2002-2006 Marcus Geelnard
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// SPDX-FileCopyrightText: 2006-2019 Camilla Löwy <elmindreda@glfw.org>
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// SPDX-FileCopyrightText: 2023 The Ebitengine Authors
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//go:build freebsd || linux || netbsd || openbsd
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#if !defined(_GNU_SOURCE)
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#define _GNU_SOURCE
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#endif
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#include "internal_unix.h"
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#include <X11/Xresource.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <stdio.h>
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#include <locale.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <assert.h>
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// Translate the X11 KeySyms for a key to a GLFW key code
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// NOTE: This is only used as a fallback, in case the XKB method fails
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// It is layout-dependent and will fail partially on most non-US layouts
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//
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static int translateKeySyms(const KeySym* keysyms, int width)
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{
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if (width > 1)
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{
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switch (keysyms[1])
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{
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case XK_KP_0: return GLFW_KEY_KP_0;
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case XK_KP_1: return GLFW_KEY_KP_1;
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case XK_KP_2: return GLFW_KEY_KP_2;
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case XK_KP_3: return GLFW_KEY_KP_3;
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case XK_KP_4: return GLFW_KEY_KP_4;
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case XK_KP_5: return GLFW_KEY_KP_5;
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case XK_KP_6: return GLFW_KEY_KP_6;
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case XK_KP_7: return GLFW_KEY_KP_7;
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case XK_KP_8: return GLFW_KEY_KP_8;
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case XK_KP_9: return GLFW_KEY_KP_9;
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case XK_KP_Separator:
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case XK_KP_Decimal: return GLFW_KEY_KP_DECIMAL;
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case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
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case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
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default: break;
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}
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}
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switch (keysyms[0])
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{
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case XK_Escape: return GLFW_KEY_ESCAPE;
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case XK_Tab: return GLFW_KEY_TAB;
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case XK_Shift_L: return GLFW_KEY_LEFT_SHIFT;
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case XK_Shift_R: return GLFW_KEY_RIGHT_SHIFT;
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case XK_Control_L: return GLFW_KEY_LEFT_CONTROL;
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case XK_Control_R: return GLFW_KEY_RIGHT_CONTROL;
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case XK_Meta_L:
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case XK_Alt_L: return GLFW_KEY_LEFT_ALT;
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case XK_Mode_switch: // Mapped to Alt_R on many keyboards
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case XK_ISO_Level3_Shift: // AltGr on at least some machines
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case XK_Meta_R:
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case XK_Alt_R: return GLFW_KEY_RIGHT_ALT;
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case XK_Super_L: return GLFW_KEY_LEFT_SUPER;
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case XK_Super_R: return GLFW_KEY_RIGHT_SUPER;
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case XK_Menu: return GLFW_KEY_MENU;
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case XK_Num_Lock: return GLFW_KEY_NUM_LOCK;
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case XK_Caps_Lock: return GLFW_KEY_CAPS_LOCK;
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case XK_Print: return GLFW_KEY_PRINT_SCREEN;
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case XK_Scroll_Lock: return GLFW_KEY_SCROLL_LOCK;
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case XK_Pause: return GLFW_KEY_PAUSE;
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case XK_Delete: return GLFW_KEY_DELETE;
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case XK_BackSpace: return GLFW_KEY_BACKSPACE;
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case XK_Return: return GLFW_KEY_ENTER;
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case XK_Home: return GLFW_KEY_HOME;
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case XK_End: return GLFW_KEY_END;
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case XK_Page_Up: return GLFW_KEY_PAGE_UP;
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case XK_Page_Down: return GLFW_KEY_PAGE_DOWN;
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case XK_Insert: return GLFW_KEY_INSERT;
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case XK_Left: return GLFW_KEY_LEFT;
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case XK_Right: return GLFW_KEY_RIGHT;
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case XK_Down: return GLFW_KEY_DOWN;
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case XK_Up: return GLFW_KEY_UP;
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case XK_F1: return GLFW_KEY_F1;
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case XK_F2: return GLFW_KEY_F2;
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case XK_F3: return GLFW_KEY_F3;
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case XK_F4: return GLFW_KEY_F4;
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case XK_F5: return GLFW_KEY_F5;
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case XK_F6: return GLFW_KEY_F6;
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case XK_F7: return GLFW_KEY_F7;
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case XK_F8: return GLFW_KEY_F8;
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case XK_F9: return GLFW_KEY_F9;
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case XK_F10: return GLFW_KEY_F10;
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case XK_F11: return GLFW_KEY_F11;
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case XK_F12: return GLFW_KEY_F12;
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case XK_F13: return GLFW_KEY_F13;
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case XK_F14: return GLFW_KEY_F14;
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case XK_F15: return GLFW_KEY_F15;
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case XK_F16: return GLFW_KEY_F16;
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case XK_F17: return GLFW_KEY_F17;
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case XK_F18: return GLFW_KEY_F18;
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case XK_F19: return GLFW_KEY_F19;
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case XK_F20: return GLFW_KEY_F20;
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case XK_F21: return GLFW_KEY_F21;
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case XK_F22: return GLFW_KEY_F22;
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case XK_F23: return GLFW_KEY_F23;
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case XK_F24: return GLFW_KEY_F24;
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case XK_F25: return GLFW_KEY_F25;
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// Numeric keypad
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case XK_KP_Divide: return GLFW_KEY_KP_DIVIDE;
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case XK_KP_Multiply: return GLFW_KEY_KP_MULTIPLY;
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case XK_KP_Subtract: return GLFW_KEY_KP_SUBTRACT;
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case XK_KP_Add: return GLFW_KEY_KP_ADD;
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// These should have been detected in secondary keysym test above!
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case XK_KP_Insert: return GLFW_KEY_KP_0;
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case XK_KP_End: return GLFW_KEY_KP_1;
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case XK_KP_Down: return GLFW_KEY_KP_2;
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case XK_KP_Page_Down: return GLFW_KEY_KP_3;
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case XK_KP_Left: return GLFW_KEY_KP_4;
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case XK_KP_Right: return GLFW_KEY_KP_6;
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case XK_KP_Home: return GLFW_KEY_KP_7;
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case XK_KP_Up: return GLFW_KEY_KP_8;
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case XK_KP_Page_Up: return GLFW_KEY_KP_9;
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case XK_KP_Delete: return GLFW_KEY_KP_DECIMAL;
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case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
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case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
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// Last resort: Check for printable keys (should not happen if the XKB
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// extension is available). This will give a layout dependent mapping
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// (which is wrong, and we may miss some keys, especially on non-US
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// keyboards), but it's better than nothing...
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case XK_a: return GLFW_KEY_A;
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case XK_b: return GLFW_KEY_B;
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case XK_c: return GLFW_KEY_C;
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case XK_d: return GLFW_KEY_D;
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case XK_e: return GLFW_KEY_E;
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case XK_f: return GLFW_KEY_F;
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case XK_g: return GLFW_KEY_G;
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case XK_h: return GLFW_KEY_H;
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case XK_i: return GLFW_KEY_I;
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case XK_j: return GLFW_KEY_J;
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case XK_k: return GLFW_KEY_K;
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case XK_l: return GLFW_KEY_L;
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case XK_m: return GLFW_KEY_M;
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case XK_n: return GLFW_KEY_N;
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case XK_o: return GLFW_KEY_O;
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case XK_p: return GLFW_KEY_P;
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case XK_q: return GLFW_KEY_Q;
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case XK_r: return GLFW_KEY_R;
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case XK_s: return GLFW_KEY_S;
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case XK_t: return GLFW_KEY_T;
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case XK_u: return GLFW_KEY_U;
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case XK_v: return GLFW_KEY_V;
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case XK_w: return GLFW_KEY_W;
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case XK_x: return GLFW_KEY_X;
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case XK_y: return GLFW_KEY_Y;
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case XK_z: return GLFW_KEY_Z;
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case XK_1: return GLFW_KEY_1;
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case XK_2: return GLFW_KEY_2;
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case XK_3: return GLFW_KEY_3;
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case XK_4: return GLFW_KEY_4;
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case XK_5: return GLFW_KEY_5;
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case XK_6: return GLFW_KEY_6;
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case XK_7: return GLFW_KEY_7;
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case XK_8: return GLFW_KEY_8;
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case XK_9: return GLFW_KEY_9;
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case XK_0: return GLFW_KEY_0;
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case XK_space: return GLFW_KEY_SPACE;
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case XK_minus: return GLFW_KEY_MINUS;
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case XK_equal: return GLFW_KEY_EQUAL;
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case XK_bracketleft: return GLFW_KEY_LEFT_BRACKET;
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case XK_bracketright: return GLFW_KEY_RIGHT_BRACKET;
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case XK_backslash: return GLFW_KEY_BACKSLASH;
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case XK_semicolon: return GLFW_KEY_SEMICOLON;
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case XK_apostrophe: return GLFW_KEY_APOSTROPHE;
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case XK_grave: return GLFW_KEY_GRAVE_ACCENT;
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case XK_comma: return GLFW_KEY_COMMA;
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case XK_period: return GLFW_KEY_PERIOD;
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case XK_slash: return GLFW_KEY_SLASH;
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case XK_less: return GLFW_KEY_WORLD_1; // At least in some layouts...
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default: break;
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}
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// No matching translation was found
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return GLFW_KEY_UNKNOWN;
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}
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// Create key code translation tables
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//
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static void createKeyTables(void)
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{
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int scancode, scancodeMin, scancodeMax;
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memset(_glfw.x11.keycodes, -1, sizeof(_glfw.x11.keycodes));
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memset(_glfw.x11.scancodes, -1, sizeof(_glfw.x11.scancodes));
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if (_glfw.x11.xkb.available)
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{
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// Use XKB to determine physical key locations independently of the
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// current keyboard layout
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XkbDescPtr desc = XkbGetMap(_glfw.x11.display, 0, XkbUseCoreKbd);
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XkbGetNames(_glfw.x11.display, XkbKeyNamesMask | XkbKeyAliasesMask, desc);
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scancodeMin = desc->min_key_code;
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scancodeMax = desc->max_key_code;
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const struct
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{
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int key;
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char* name;
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} keymap[] =
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{
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{ GLFW_KEY_GRAVE_ACCENT, "TLDE" },
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{ GLFW_KEY_1, "AE01" },
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{ GLFW_KEY_2, "AE02" },
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{ GLFW_KEY_3, "AE03" },
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{ GLFW_KEY_4, "AE04" },
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{ GLFW_KEY_5, "AE05" },
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{ GLFW_KEY_6, "AE06" },
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{ GLFW_KEY_7, "AE07" },
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{ GLFW_KEY_8, "AE08" },
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{ GLFW_KEY_9, "AE09" },
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{ GLFW_KEY_0, "AE10" },
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{ GLFW_KEY_MINUS, "AE11" },
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{ GLFW_KEY_EQUAL, "AE12" },
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{ GLFW_KEY_Q, "AD01" },
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{ GLFW_KEY_W, "AD02" },
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{ GLFW_KEY_E, "AD03" },
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{ GLFW_KEY_R, "AD04" },
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{ GLFW_KEY_T, "AD05" },
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{ GLFW_KEY_Y, "AD06" },
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{ GLFW_KEY_U, "AD07" },
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{ GLFW_KEY_I, "AD08" },
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{ GLFW_KEY_O, "AD09" },
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{ GLFW_KEY_P, "AD10" },
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{ GLFW_KEY_LEFT_BRACKET, "AD11" },
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{ GLFW_KEY_RIGHT_BRACKET, "AD12" },
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{ GLFW_KEY_A, "AC01" },
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{ GLFW_KEY_S, "AC02" },
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{ GLFW_KEY_D, "AC03" },
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{ GLFW_KEY_F, "AC04" },
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{ GLFW_KEY_G, "AC05" },
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{ GLFW_KEY_H, "AC06" },
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{ GLFW_KEY_J, "AC07" },
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{ GLFW_KEY_K, "AC08" },
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{ GLFW_KEY_L, "AC09" },
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{ GLFW_KEY_SEMICOLON, "AC10" },
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{ GLFW_KEY_APOSTROPHE, "AC11" },
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{ GLFW_KEY_Z, "AB01" },
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{ GLFW_KEY_X, "AB02" },
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{ GLFW_KEY_C, "AB03" },
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{ GLFW_KEY_V, "AB04" },
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{ GLFW_KEY_B, "AB05" },
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{ GLFW_KEY_N, "AB06" },
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{ GLFW_KEY_M, "AB07" },
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{ GLFW_KEY_COMMA, "AB08" },
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{ GLFW_KEY_PERIOD, "AB09" },
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{ GLFW_KEY_SLASH, "AB10" },
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{ GLFW_KEY_BACKSLASH, "BKSL" },
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{ GLFW_KEY_WORLD_1, "LSGT" },
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{ GLFW_KEY_SPACE, "SPCE" },
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{ GLFW_KEY_ESCAPE, "ESC" },
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{ GLFW_KEY_ENTER, "RTRN" },
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{ GLFW_KEY_TAB, "TAB" },
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{ GLFW_KEY_BACKSPACE, "BKSP" },
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{ GLFW_KEY_INSERT, "INS" },
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{ GLFW_KEY_DELETE, "DELE" },
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{ GLFW_KEY_RIGHT, "RGHT" },
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{ GLFW_KEY_LEFT, "LEFT" },
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{ GLFW_KEY_DOWN, "DOWN" },
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{ GLFW_KEY_UP, "UP" },
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{ GLFW_KEY_PAGE_UP, "PGUP" },
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{ GLFW_KEY_PAGE_DOWN, "PGDN" },
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{ GLFW_KEY_HOME, "HOME" },
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{ GLFW_KEY_END, "END" },
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{ GLFW_KEY_CAPS_LOCK, "CAPS" },
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{ GLFW_KEY_SCROLL_LOCK, "SCLK" },
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{ GLFW_KEY_NUM_LOCK, "NMLK" },
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{ GLFW_KEY_PRINT_SCREEN, "PRSC" },
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{ GLFW_KEY_PAUSE, "PAUS" },
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{ GLFW_KEY_F1, "FK01" },
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{ GLFW_KEY_F2, "FK02" },
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{ GLFW_KEY_F3, "FK03" },
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{ GLFW_KEY_F4, "FK04" },
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{ GLFW_KEY_F5, "FK05" },
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{ GLFW_KEY_F6, "FK06" },
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{ GLFW_KEY_F7, "FK07" },
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{ GLFW_KEY_F8, "FK08" },
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{ GLFW_KEY_F9, "FK09" },
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{ GLFW_KEY_F10, "FK10" },
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{ GLFW_KEY_F11, "FK11" },
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{ GLFW_KEY_F12, "FK12" },
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{ GLFW_KEY_F13, "FK13" },
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{ GLFW_KEY_F14, "FK14" },
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{ GLFW_KEY_F15, "FK15" },
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{ GLFW_KEY_F16, "FK16" },
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{ GLFW_KEY_F17, "FK17" },
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{ GLFW_KEY_F18, "FK18" },
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{ GLFW_KEY_F19, "FK19" },
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{ GLFW_KEY_F20, "FK20" },
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{ GLFW_KEY_F21, "FK21" },
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{ GLFW_KEY_F22, "FK22" },
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{ GLFW_KEY_F23, "FK23" },
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{ GLFW_KEY_F24, "FK24" },
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{ GLFW_KEY_F25, "FK25" },
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{ GLFW_KEY_KP_0, "KP0" },
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{ GLFW_KEY_KP_1, "KP1" },
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{ GLFW_KEY_KP_2, "KP2" },
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{ GLFW_KEY_KP_3, "KP3" },
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{ GLFW_KEY_KP_4, "KP4" },
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{ GLFW_KEY_KP_5, "KP5" },
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{ GLFW_KEY_KP_6, "KP6" },
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{ GLFW_KEY_KP_7, "KP7" },
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{ GLFW_KEY_KP_8, "KP8" },
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{ GLFW_KEY_KP_9, "KP9" },
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{ GLFW_KEY_KP_DECIMAL, "KPDL" },
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{ GLFW_KEY_KP_DIVIDE, "KPDV" },
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{ GLFW_KEY_KP_MULTIPLY, "KPMU" },
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{ GLFW_KEY_KP_SUBTRACT, "KPSU" },
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{ GLFW_KEY_KP_ADD, "KPAD" },
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{ GLFW_KEY_KP_ENTER, "KPEN" },
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{ GLFW_KEY_KP_EQUAL, "KPEQ" },
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{ GLFW_KEY_LEFT_SHIFT, "LFSH" },
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{ GLFW_KEY_LEFT_CONTROL, "LCTL" },
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{ GLFW_KEY_LEFT_ALT, "LALT" },
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{ GLFW_KEY_LEFT_SUPER, "LWIN" },
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{ GLFW_KEY_RIGHT_SHIFT, "RTSH" },
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{ GLFW_KEY_RIGHT_CONTROL, "RCTL" },
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{ GLFW_KEY_RIGHT_ALT, "RALT" },
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{ GLFW_KEY_RIGHT_ALT, "LVL3" },
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{ GLFW_KEY_RIGHT_ALT, "MDSW" },
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{ GLFW_KEY_RIGHT_SUPER, "RWIN" },
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{ GLFW_KEY_MENU, "MENU" }
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};
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// Find the X11 key code -> GLFW key code mapping
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for (scancode = scancodeMin; scancode <= scancodeMax; scancode++)
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{
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int key = GLFW_KEY_UNKNOWN;
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// Map the key name to a GLFW key code. Note: We use the US
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// keyboard layout. Because function keys aren't mapped correctly
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// when using traditional KeySym translations, they are mapped
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// here instead.
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for (int i = 0; i < sizeof(keymap) / sizeof(keymap[0]); i++)
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{
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if (strncmp(desc->names->keys[scancode].name,
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keymap[i].name,
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XkbKeyNameLength) == 0)
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{
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key = keymap[i].key;
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break;
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}
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}
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// Fall back to key aliases in case the key name did not match
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for (int i = 0; i < desc->names->num_key_aliases; i++)
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{
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if (key != GLFW_KEY_UNKNOWN)
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break;
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if (strncmp(desc->names->key_aliases[i].real,
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desc->names->keys[scancode].name,
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XkbKeyNameLength) != 0)
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{
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continue;
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}
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for (int j = 0; j < sizeof(keymap) / sizeof(keymap[0]); j++)
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{
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if (strncmp(desc->names->key_aliases[i].alias,
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keymap[j].name,
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XkbKeyNameLength) == 0)
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{
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key = keymap[j].key;
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break;
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}
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}
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}
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_glfw.x11.keycodes[scancode] = key;
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}
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XkbFreeNames(desc, XkbKeyNamesMask, True);
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XkbFreeKeyboard(desc, 0, True);
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}
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else
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XDisplayKeycodes(_glfw.x11.display, &scancodeMin, &scancodeMax);
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int width;
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KeySym* keysyms = XGetKeyboardMapping(_glfw.x11.display,
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scancodeMin,
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|
scancodeMax - scancodeMin + 1,
|
|
&width);
|
|
|
|
for (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;
|
|
}
|
|
|
|
// Check whether the specified atom is supported
|
|
//
|
|
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))
|
|
{
|
|
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 = _glfw_dlopen("libXxf86vm.so");
|
|
#else
|
|
_glfw.x11.vidmode.handle = _glfw_dlopen("libXxf86vm.so.1");
|
|
#endif
|
|
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");
|
|
#elif defined(__OpenBSD__) || defined(__NetBSD__)
|
|
_glfw.x11.xi.handle = _glfw_dlopen("libXi.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");
|
|
#elif defined(__OpenBSD__) || defined(__NetBSD__)
|
|
_glfw.x11.randr.handle = _glfw_dlopen("libXrandr.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");
|
|
#elif defined(__OpenBSD__) || defined(__NetBSD__)
|
|
_glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor.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");
|
|
_glfw.x11.xcursor.GetTheme = (PFN_XcursorGetTheme)
|
|
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorGetTheme");
|
|
_glfw.x11.xcursor.GetDefaultSize = (PFN_XcursorGetDefaultSize)
|
|
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorGetDefaultSize");
|
|
_glfw.x11.xcursor.LibraryLoadImage = (PFN_XcursorLibraryLoadImage)
|
|
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorLibraryLoadImage");
|
|
}
|
|
|
|
#if defined(__CYGWIN__)
|
|
_glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama-1.so");
|
|
#elif defined(__OpenBSD__) || defined(__NetBSD__)
|
|
_glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama.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;
|
|
}
|
|
|
|
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 defined(__CYGWIN__)
|
|
_glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb-1.so");
|
|
#elif defined(__OpenBSD__) || defined(__NetBSD__)
|
|
_glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb.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");
|
|
#elif defined(__OpenBSD__) || defined(__NetBSD__)
|
|
_glfw.x11.xrender.handle = _glfw_dlopen("libXrender.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;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(__CYGWIN__)
|
|
_glfw.x11.xshape.handle = _glfw_dlopen("libXext-6.so");
|
|
#elif defined(__OpenBSD__) || defined(__NetBSD__)
|
|
_glfw.x11.xshape.handle = _glfw_dlopen("libXext.so");
|
|
#else
|
|
_glfw.x11.xshape.handle = _glfw_dlopen("libXext.so.6");
|
|
#endif
|
|
if (_glfw.x11.xshape.handle)
|
|
{
|
|
_glfw.x11.xshape.QueryExtension = (PFN_XShapeQueryExtension)
|
|
_glfw_dlsym(_glfw.x11.xshape.handle, "XShapeQueryExtension");
|
|
_glfw.x11.xshape.ShapeCombineRegion = (PFN_XShapeCombineRegion)
|
|
_glfw_dlsym(_glfw.x11.xshape.handle, "XShapeCombineRegion");
|
|
_glfw.x11.xshape.QueryVersion = (PFN_XShapeQueryVersion)
|
|
_glfw_dlsym(_glfw.x11.xshape.handle, "XShapeQueryVersion");
|
|
_glfw.x11.xshape.ShapeCombineMask = (PFN_XShapeCombineMask)
|
|
_glfw_dlsym(_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 _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);
|
|
}
|
|
|
|
// 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 _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)
|
|
{
|
|
// 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, "");
|
|
|
|
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 (!createEmptyEventPipe())
|
|
return GLFW_FALSE;
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
_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;
|
|
}
|
|
|
|
_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.emptyEventPipe[0] || _glfw.x11.emptyEventPipe[1])
|
|
{
|
|
close(_glfw.x11.emptyEventPipe[0]);
|
|
close(_glfw.x11.emptyEventPipe[1]);
|
|
}
|
|
}
|
|
|
|
const char* _glfwPlatformGetVersionString(void)
|
|
{
|
|
return _GLFW_VERSION_NUMBER " X11 GLX EGL OSMesa"
|
|
#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
|
|
;
|
|
}
|
|
|