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1 /** |
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2 * ShaderShark |
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3 * Copyright © 2023 František Kučera (Frantovo.cz, GlobalCode.info) |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, version 3 of the License. |
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8 * |
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9 * This program is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 * GNU General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU General Public License |
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15 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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16 */ |
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17 |
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18 #pragma once |
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19 |
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20 #include <cstring> |
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21 |
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22 #include <X11/Xatom.h> |
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23 #include <X11/XKBlib.h> |
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24 #include <X11/keysymdef.h> |
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25 |
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26 /** |
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27 * Publish our PID (process ID) through the X11 window property. |
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28 */ |
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29 inline |
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30 void setX11PID(Display* dpy, Window win) { |
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31 Atom _NET_WM_PID = XInternAtom(dpy, "_NET_WM_PID", False); |
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32 pid_t pid = getpid(); |
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33 XChangeProperty(dpy, win, _NET_WM_PID, XA_CARDINAL, |
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34 32, PropModeReplace, (unsigned char *) &pid, 1); |
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35 } |
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36 |
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37 inline |
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38 bool setFullscreen(Display* dpy, Window win, bool fullscreen) { |
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39 XEvent ev; |
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40 Atom wmState = XInternAtom(dpy, "_NET_WM_STATE", False); |
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41 Atom wmFullscreen = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False); |
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42 ev.xclient.type = ClientMessage; |
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43 ev.xclient.serial = 0; // TODO: serial? |
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44 ev.xclient.send_event = True; |
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45 ev.xclient.display = dpy; |
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46 ev.xclient.window = win; |
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47 ev.xclient.message_type = wmState; |
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48 ev.xclient.format = 32; |
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49 ev.xclient.data.l[0] = fullscreen; |
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50 ev.xclient.data.l[1] = wmFullscreen; |
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51 ev.xclient.data.l[2] = None; |
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52 XSendEvent(dpy, DefaultRootWindow(dpy), False, SubstructureNotifyMask, &ev); |
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53 return fullscreen; |
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54 } |
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55 |
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56 class DecodedKey { |
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57 public: |
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58 unsigned int code; |
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59 KeySym symbol; |
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60 const char* name; |
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61 |
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62 bool matches( |
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63 KeySym s1, |
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64 KeySym s2 = XK_VoidSymbol, |
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65 KeySym s3 = XK_VoidSymbol, |
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66 KeySym s4 = XK_VoidSymbol, |
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67 KeySym s5 = XK_VoidSymbol, |
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68 KeySym s6 = XK_VoidSymbol, |
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69 KeySym s7 = XK_VoidSymbol, |
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70 KeySym s8 = XK_VoidSymbol |
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71 ) { |
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72 return symbol == s1 |
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73 || symbol == s2 |
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74 || symbol == s3 |
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75 || symbol == s4 |
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76 || symbol == s5 |
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77 || symbol == s6 |
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78 || symbol == s7 |
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79 || symbol == s8; |
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80 } |
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81 }; |
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82 |
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83 inline |
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84 const DecodedKey decodeKeycode(Display * dpy, KeyCode keyCode) { |
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85 DecodedKey dk = {}; |
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86 dk.code = keyCode; |
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87 dk.symbol = XkbKeycodeToKeysym(dpy, keyCode, 0, 0); |
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88 dk.name = XKeysymToString(dk.symbol); |
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89 return dk; |
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90 } |