X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd-terminal%2Fidev.h;h=c8c03f3d41be9937182fb184252f46e0f0fda544;hb=fbcedaaea4705a0548d50d9702ece04f73847344;hp=6f618f37af5e2355161096f9cabab424b3fb459e;hpb=e202fa31fb2d60084e7b2ab7976a81c138184d40;p=elogind.git

diff --git a/src/libsystemd-terminal/idev.h b/src/libsystemd-terminal/idev.h
index 6f618f37a..c8c03f3d4 100644
--- a/src/libsystemd-terminal/idev.h
+++ b/src/libsystemd-terminal/idev.h
@@ -26,13 +26,18 @@
 #pragma once
 
 #include <inttypes.h>
+#include <libudev.h>
+#include <linux/input.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <systemd/sd-bus.h>
 #include <systemd/sd-event.h>
+#include <xkbcommon/xkbcommon.h>
 #include "util.h"
 
 typedef struct idev_data                idev_data;
+typedef struct idev_data_evdev          idev_data_evdev;
+typedef struct idev_data_keyboard       idev_data_keyboard;
 
 typedef struct idev_event               idev_event;
 typedef struct idev_device              idev_device;
@@ -44,25 +49,108 @@ typedef struct idev_context             idev_context;
  */
 
 enum {
+        IDEV_ELEMENT_EVDEV,
         IDEV_ELEMENT_CNT
 };
 
 enum {
+        IDEV_DEVICE_KEYBOARD,
         IDEV_DEVICE_CNT
 };
 
+/*
+ * Evdev Elements
+ */
+
+struct idev_data_evdev {
+        struct input_event event;
+};
+
+/*
+ * Keyboard Devices
+ */
+
+struct xkb_state;
+
+enum {
+        IDEV_KBDMOD_IDX_SHIFT,
+        IDEV_KBDMOD_IDX_CTRL,
+        IDEV_KBDMOD_IDX_ALT,
+        IDEV_KBDMOD_IDX_LINUX,
+        IDEV_KBDMOD_IDX_CAPS,
+        IDEV_KBDMOD_CNT,
+
+        IDEV_KBDMOD_SHIFT               = 1 << IDEV_KBDMOD_IDX_SHIFT,
+        IDEV_KBDMOD_CTRL                = 1 << IDEV_KBDMOD_IDX_CTRL,
+        IDEV_KBDMOD_ALT                 = 1 << IDEV_KBDMOD_IDX_ALT,
+        IDEV_KBDMOD_LINUX               = 1 << IDEV_KBDMOD_IDX_LINUX,
+        IDEV_KBDMOD_CAPS                = 1 << IDEV_KBDMOD_IDX_CAPS,
+};
+
+enum {
+        IDEV_KBDLED_IDX_NUM,
+        IDEV_KBDLED_IDX_CAPS,
+        IDEV_KBDLED_IDX_SCROLL,
+        IDEV_KBDLED_CNT,
+
+        IDEV_KBDLED_NUM                 = 1 << IDEV_KBDLED_IDX_NUM,
+        IDEV_KBDLED_CAPS                = 1 << IDEV_KBDLED_IDX_CAPS,
+        IDEV_KBDLED_SCROLL              = 1 << IDEV_KBDLED_IDX_SCROLL,
+};
+
+struct idev_data_keyboard {
+        struct xkb_state *xkb_state;
+        int8_t ascii;
+        uint8_t value;
+        uint16_t keycode;
+        uint32_t mods;
+        uint32_t consumed_mods;
+        uint32_t n_syms;
+        uint32_t *keysyms;
+        uint32_t *codepoints;
+};
+
+static inline bool idev_kbdmatch(idev_data_keyboard *kdata,
+                                 uint32_t mods, uint32_t n_syms,
+                                 const uint32_t *syms) {
+        const uint32_t significant = IDEV_KBDMOD_SHIFT |
+                                     IDEV_KBDMOD_CTRL |
+                                     IDEV_KBDMOD_ALT |
+                                     IDEV_KBDMOD_LINUX;
+        uint32_t real;
+
+        if (n_syms != kdata->n_syms)
+                return false;
+
+        real = kdata->mods & ~kdata->consumed_mods & significant;
+        if (real != mods)
+                return false;
+
+        return !memcmp(syms, kdata->keysyms, n_syms * sizeof(*syms));
+}
+
+#define IDEV_KBDMATCH(_kdata, _mods, _sym) \
+        idev_kbdmatch((_kdata), (_mods), 1, (const uint32_t[]){ (_sym) })
+
 /*
  * Data Packets
  */
 
 enum {
         IDEV_DATA_RESYNC,
+        IDEV_DATA_EVDEV,
+        IDEV_DATA_KEYBOARD,
         IDEV_DATA_CNT
 };
 
 struct idev_data {
         unsigned int type;
         bool resync : 1;
+
+        union {
+                idev_data_evdev evdev;
+                idev_data_keyboard keyboard;
+        };
 };
 
 /*
@@ -122,6 +210,9 @@ bool idev_session_is_enabled(idev_session *s);
 void idev_session_enable(idev_session *s);
 void idev_session_disable(idev_session *s);
 
+int idev_session_add_evdev(idev_session *s, struct udev_device *ud);
+int idev_session_remove_evdev(idev_session *s, struct udev_device *ud);
+
 /*
  * Contexts
  */