1 files changed, 314 insertions, 0 deletions
diff --git a/qxt-mini/x11-keymap.cpp b/qxt-mini/x11-keymap.cpp
new file mode 100644
index 00000000..fed01cc2
--- /dev/null
+++ b/qxt-mini/x11-keymap.cpp
@@ -0,0 +1,314 @@
+#include "x11-keymap.hpp"
+
+#if !defined __APPLE__ && !defined _WIN32
+
+#include <QMutex>
+
+#define XK_MISCELLANY
+#define XK_LATIN1
+
+#include <X11/keysymdef.h>
+
+
+struct tt {
+    Qt::Key qt;
+    quint32 keysym;
+};
+
+static const tt keymap[] =
+{
+    { Qt::Key_Return, XK_Return },
+    { Qt::Key_Enter, XK_Return },
+    { Qt::Key_Delete, XK_Delete },
+    { Qt::Key_Pause, XK_Pause },
+    { Qt::Key_SysReq, XK_Sys_Req },
+    { Qt::Key_Home, XK_Home },
+    { Qt::Key_Insert, XK_Insert },
+    { Qt::Key_End, XK_End },
+    { Qt::Key_Left, XK_Left },
+    { Qt::Key_Up, XK_Up },
+    { Qt::Key_Right, XK_Right },
+    { Qt::Key_Down, XK_Down },
+    { Qt::Key_PageUp, XK_Prior },
+    { Qt::Key_PageDown, XK_Next },
+    { Qt::Key_Tab, XK_Tab },
+
+    { Qt::Key_F1, XK_F1 },
+    { Qt::Key_F2, XK_F2 },
+    { Qt::Key_F3, XK_F3 },
+    { Qt::Key_F4, XK_F4 },
+    { Qt::Key_F5, XK_F5 },
+    { Qt::Key_F6, XK_F6 },
+    { Qt::Key_F7, XK_F7 },
+    { Qt::Key_F8, XK_F8 },
+    { Qt::Key_F9, XK_F9 },
+    { Qt::Key_F10, XK_F10 },
+    { Qt::Key_F11, XK_F11 },
+    { Qt::Key_F12, XK_F12 },
+
+    { Qt::Key_Space, XK_space },
+    { Qt::Key_QuoteDbl, XK_quotedbl },
+
+#if 1
+    { Qt::Key_Exclam, XK_exclam },
+    { Qt::Key_At, XK_at },
+    { Qt::Key_NumberSign, XK_numbersign },
+    { Qt::Key_Dollar, XK_dollar },
+    { Qt::Key_Percent, XK_percent },
+    { Qt::Key_AsciiCircum, XK_asciicircum },
+    { Qt::Key_Ampersand, XK_ampersand },
+    { Qt::Key_Asterisk, XK_asterisk },
+    { Qt::Key_ParenLeft, XK_parenleft },
+    { Qt::Key_ParenRight, XK_parenright },
+#else
+    { Qt::Key_Exclam, XK_1 },
+    { Qt::Key_At, XK_2 },
+    { Qt::Key_NumberSign, XK_3 },
+    { Qt::Key_Dollar, XK_4 },
+    { Qt::Key_Percent, XK_5 },
+    { Qt::Key_AsciiCircum, XK_6 },
+    { Qt::Key_Ampersand, XK_7 },
+    { Qt::Key_Asterisk, XK_8 },
+    { Qt::Key_ParenLeft, XK_9 },
+    { Qt::Key_ParenRight, XK_0 },
+#endif
+    { Qt::Key_Minus, XK_minus },
+    { Qt::Key_Equal, XK_equal },
+    { Qt::Key_Apostrophe, XK_apostrophe },
+    { Qt::Key_Plus, XK_plus },
+    { Qt::Key_Comma, XK_comma },
+    { Qt::Key_Period, XK_period },
+    { Qt::Key_Slash, XK_slash },
+
+    { Qt::Key_0, XK_0 },
+    { Qt::Key_1, XK_1 },
+    { Qt::Key_2, XK_2 },
+    { Qt::Key_3, XK_3 },
+    { Qt::Key_4, XK_4 },
+    { Qt::Key_5, XK_5 },
+    { Qt::Key_6, XK_6 },
+    { Qt::Key_7, XK_7 },
+    { Qt::Key_8, XK_8 },
+    { Qt::Key_9, XK_9 },
+
+    { Qt::Key_Colon, XK_colon },
+    { Qt::Key_Semicolon, XK_semicolon },
+    { Qt::Key_Less, XK_less },
+    { Qt::Key_Greater, XK_greater },
+    { Qt::Key_Question, XK_question },
+
+    { Qt::Key_A, XK_a },
+    { Qt::Key_B, XK_b },
+    { Qt::Key_C, XK_c },
+    { Qt::Key_D, XK_d },
+    { Qt::Key_E, XK_e },
+    { Qt::Key_F, XK_f },
+    { Qt::Key_G, XK_g },
+    { Qt::Key_H, XK_h },
+    { Qt::Key_I, XK_i },
+    { Qt::Key_J, XK_j },
+    { Qt::Key_K, XK_k },
+    { Qt::Key_L, XK_l },
+    { Qt::Key_M, XK_m },
+    { Qt::Key_N, XK_n },
+    { Qt::Key_O, XK_o },
+    { Qt::Key_P, XK_p },
+    { Qt::Key_Q, XK_q },
+    { Qt::Key_R, XK_r },
+    { Qt::Key_S, XK_s },
+    { Qt::Key_T, XK_t },
+    { Qt::Key_U, XK_u },
+    { Qt::Key_V, XK_v },
+    { Qt::Key_W, XK_w },
+    { Qt::Key_X, XK_x },
+    { Qt::Key_Y, XK_y },
+    { Qt::Key_Z, XK_z },
+
+    { Qt::Key_BracketLeft, XK_bracketleft },
+    { Qt::Key_Backslash, XK_backslash },
+    { Qt::Key_BracketRight, XK_bracketright },
+    { Qt::Key_Underscore, XK_underscore },
+    { Qt::Key_QuoteLeft, XK_grave },
+#if 0
+};
+static tt numpad_keymap[] = {
+#endif
+    { Qt::Key_0, XK_KP_0 },
+    { Qt::Key_1, XK_KP_1 },
+    { Qt::Key_2, XK_KP_2 },
+    { Qt::Key_3, XK_KP_3 },
+    { Qt::Key_4, XK_KP_4 },
+    { Qt::Key_5, XK_KP_5 },
+    { Qt::Key_6, XK_KP_6 },
+    { Qt::Key_7, XK_KP_7 },
+    { Qt::Key_8, XK_KP_8 },
+    { Qt::Key_9, XK_KP_9 },
+
+    { Qt::Key_Space, XK_KP_Space },
+    { Qt::Key_Tab, XK_KP_Tab },
+    { Qt::Key_F1, XK_KP_F1 },
+    { Qt::Key_F2, XK_KP_F2 },
+    { Qt::Key_F3, XK_KP_F3 },
+    { Qt::Key_F4, XK_KP_F4 },
+
+    { Qt::Key_1, XK_KP_End },
+    { Qt::Key_2, XK_KP_Down },
+    { Qt::Key_3, XK_KP_Page_Down },
+    { Qt::Key_4, XK_KP_Left },
+    { Qt::Key_5, XK_KP_Begin },
+    { Qt::Key_6, XK_KP_Right },
+    { Qt::Key_7, XK_KP_Home },
+    { Qt::Key_8, XK_KP_Up },
+    { Qt::Key_9, XK_KP_Page_Up },
+    { Qt::Key_0, XK_KP_Insert },
+
+    { Qt::Key_Delete, XK_KP_Delete },
+    { Qt::Key_Equal, XK_KP_Equal },
+    { Qt::Key_Asterisk, XK_KP_Multiply },
+    { Qt::Key_Plus, XK_KP_Add },
+    { Qt::Key_Comma, XK_KP_Separator },
+    { Qt::Key_Minus, XK_KP_Subtract },
+    { Qt::Key_Period, XK_KP_Decimal },
+    { Qt::Key_Slash, XK_KP_Divide },
+
+    { Qt::Key_ScrollLock, XK_Scroll_Lock },
+};
+
+quint32 qt_mods_to_x11(Qt::KeyboardModifiers modifiers)
+{
+    quint32 mods = 0;
+
+    if (modifiers & Qt::AltModifier)
+        mods |= Mod1Mask;
+    if (modifiers & Qt::ControlModifier)
+        mods |= ControlMask;
+    if (modifiers & Qt::ShiftModifier)
+        mods |= ShiftMask;
+    if (modifiers & Qt::KeypadModifier)
+        mods |= Mod2Mask;
+    if (modifiers & Qt::MetaModifier) // Super aka Windows key
+        mods |= Mod4Mask;
+
+    return mods;
+}
+
+std::vector<quint32> qt_key_to_x11(Display*, Qt::Key k, Qt::KeyboardModifiers)
+{
+    std::vector<quint32> ret;
+
+    for (const tt& tuple : keymap)
+    {
+        Qt::Key k_ = tuple.qt;
+        unsigned keycode = tuple.keysym;
+
+        if (k == k_)
+            ret.push_back(keycode);
+    }
+
+    if (ret.size() == 0)
+        qDebug() << "qxt-mini: no keysym for" << k;
+
+    return ret;
+}
+
+Qt::KeyboardModifiers x11_mods_to_qt(quint32 mods)
+{
+    int ret{0};
+
+    if (mods & Mod1Mask)
+        ret |= Qt::AltModifier;
+    if (mods & ControlMask)
+        ret |= Qt::ControlModifier;
+    if (mods & Mod4Mask)
+        ret |= Qt::MetaModifier;
+    if (mods & ShiftMask)
+        ret |= Qt::ShiftModifier;
+
+    return {ret};
+}
+
+std::tuple<Qt::Key, Qt::KeyboardModifiers> x11_key_to_qt(Display* disp, quint32 keycode, quint32 mods)
+{
+    (void)disp;
+    using t = std::tuple<Qt::Key, Qt::KeyboardModifiers>;
+
+    for (const tt& tuple : keymap)
+    {
+        const Qt::Key k = tuple.qt;
+
+        if (keycode == tuple.keysym)
+            return t(k, x11_mods_to_qt(mods));
+    }
+
+    return t(Qt::Key(0), Qt::KeyboardModifier(0));
+}
+
+
+QPair<KeySym, KeySym> keycode_to_keysym(Display* disp,
+                                        quint32 keycode, quint32 keystate,
+                                        xcb_key_press_event_t const* kev)
+{
+    using pair = QPair<quint32, quint32>;
+
+    static QMutex lock;
+    static QHash<pair, QPair<KeySym, KeySym>> values;
+
+    QMutexLocker l(&lock);
+
+    auto it = values.find(pair(keycode, keystate));
+
+    if (it != values.end())
+        return *it;
+
+    XKeyEvent ev{};
+    ev.serial = kev->sequence;
+    ev.send_event = False;
+    ev.display = disp;
+    ev.root = kev->root;
+    ev.subwindow = kev->child;
+    ev.window = kev->event;
+    ev.time = kev->time;
+    ev.x = kev->event_x;
+    ev.y = kev->event_x;
+    ev.x_root = kev->root_x;
+    ev.y_root = kev->root_y;
+    ev.state = keystate;
+    ev.keycode = keycode;
+    ev.same_screen = kev->same_screen;
+
+    static char bytes[255+1];
+    KeySym sym = 0;
+    int len = XLookupString(&ev, bytes, 255, &sym, nullptr);
+    if (len <= 0 || len > 255)
+    {
+        len = 0;
+        sym = 0;
+    }
+
+    KeySym sym2 = XLookupKeysym(&ev, 0);
+
+    QPair<KeySym, KeySym> ret(sym, sym2);
+
+    values[pair(keycode, keystate)] = ret;
+
+    return ret;
+}
+
+quint32 xcb_mods_to_x11(quint32 mods)
+{
+    unsigned keystate = 0;
+
+    if(mods & XCB_MOD_MASK_1) // alt
+        keystate |= Mod1Mask;
+    if(mods & XCB_MOD_MASK_CONTROL) // ctrl
+        keystate |= ControlMask;
+    if(mods & XCB_MOD_MASK_4) // super aka win key
+        keystate |= Mod4Mask;
+    if(mods & XCB_MOD_MASK_SHIFT) //shift
+        keystate |= ShiftMask;
+    if(mods & XCB_MOD_MASK_2) // numlock
+        keystate |= Mod2Mask;
+
+    return keystate;
+}
+#endif