diff options
Diffstat (limited to 'vncviewer/win32.c')
| -rw-r--r-- | vncviewer/win32.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/vncviewer/win32.c b/vncviewer/win32.c index d75cc578..cf4dc49a 100644 --- a/vncviewer/win32.c +++ b/vncviewer/win32.c @@ -19,6 +19,20 @@ #include <windows.h> +#define XK_MISCELLANY +#define XK_XKB_KEYS +#include <rfb/keysymdef.h> +#include <rfb/XF86keysym.h> + +#include "keysym2ucs.h" + +#define NoSymbol 0 + +// Missing in at least some versions of MinGW +#ifndef MAPVK_VK_TO_CHAR +#define MAPVK_VK_TO_CHAR 2 +#endif + static HANDLE thread; static DWORD thread_id; @@ -113,3 +127,175 @@ void win32_disable_lowlevel_keyboard(HWND hwnd) CloseHandle(thread); thread = NULL; } + +static const int vkey_map[][3] = { + { VK_BACK, XK_BackSpace, NoSymbol }, + { VK_TAB, XK_Tab, NoSymbol }, + { VK_CLEAR, XK_Clear, NoSymbol }, + { VK_RETURN, XK_Return, XK_KP_Enter }, + { VK_SHIFT, XK_Shift_L, NoSymbol }, + { VK_CONTROL, XK_Control_L, XK_Control_R }, + { VK_MENU, XK_Alt_L, XK_Alt_R }, + { VK_PAUSE, XK_Pause, NoSymbol }, + { VK_CAPITAL, XK_Caps_Lock, NoSymbol }, + /* FIXME: IME keys */ + { VK_ESCAPE, XK_Escape, NoSymbol }, + { VK_PRIOR, XK_KP_Prior, XK_Prior }, + { VK_NEXT, XK_KP_Next, XK_Next }, + { VK_END, XK_KP_End, XK_End }, + { VK_HOME, XK_KP_Home, XK_Home }, + { VK_LEFT, XK_KP_Left, XK_Left }, + { VK_UP, XK_KP_Up, XK_Up }, + { VK_RIGHT, XK_KP_Right, XK_Right }, + { VK_DOWN, XK_KP_Down, XK_Down }, + { VK_SNAPSHOT, XK_Print, NoSymbol }, + { VK_INSERT, XK_KP_Insert, XK_Insert }, + { VK_DELETE, XK_KP_Delete, XK_Delete }, + { VK_LWIN, NoSymbol, XK_Super_L }, + { VK_RWIN, NoSymbol, XK_Super_R }, + { VK_APPS, NoSymbol, XK_Menu }, + { VK_SLEEP, NoSymbol, XF86XK_Sleep }, + { VK_NUMPAD0, XK_KP_0, NoSymbol }, + { VK_NUMPAD1, XK_KP_1, NoSymbol }, + { VK_NUMPAD2, XK_KP_2, NoSymbol }, + { VK_NUMPAD3, XK_KP_3, NoSymbol }, + { VK_NUMPAD4, XK_KP_4, NoSymbol }, + { VK_NUMPAD5, XK_KP_5, NoSymbol }, + { VK_NUMPAD6, XK_KP_6, NoSymbol }, + { VK_NUMPAD7, XK_KP_7, NoSymbol }, + { VK_NUMPAD8, XK_KP_8, NoSymbol }, + { VK_NUMPAD9, XK_KP_9, NoSymbol }, + { VK_MULTIPLY, XK_KP_Multiply, NoSymbol }, + { VK_ADD, XK_KP_Add, NoSymbol }, + { VK_SUBTRACT, XK_KP_Subtract, NoSymbol }, + { VK_DIVIDE, NoSymbol, XK_KP_Divide }, + /* VK_SEPARATOR and VK_DECIMAL left out on purpose. See further down. */ + { VK_F1, XK_F1, NoSymbol }, + { VK_F2, XK_F2, NoSymbol }, + { VK_F3, XK_F3, NoSymbol }, + { VK_F4, XK_F4, NoSymbol }, + { VK_F5, XK_F5, NoSymbol }, + { VK_F6, XK_F6, NoSymbol }, + { VK_F7, XK_F7, NoSymbol }, + { VK_F8, XK_F8, NoSymbol }, + { VK_F9, XK_F9, NoSymbol }, + { VK_F10, XK_F10, NoSymbol }, + { VK_F11, XK_F11, NoSymbol }, + { VK_F12, XK_F12, NoSymbol }, + { VK_F13, XK_F13, NoSymbol }, + { VK_F14, XK_F14, NoSymbol }, + { VK_F15, XK_F15, NoSymbol }, + { VK_F16, XK_F16, NoSymbol }, + { VK_F17, XK_F17, NoSymbol }, + { VK_F18, XK_F18, NoSymbol }, + { VK_F19, XK_F19, NoSymbol }, + { VK_F20, XK_F20, NoSymbol }, + { VK_F21, XK_F21, NoSymbol }, + { VK_F22, XK_F22, NoSymbol }, + { VK_F23, XK_F23, NoSymbol }, + { VK_F24, XK_F24, NoSymbol }, + { VK_NUMLOCK, NoSymbol, XK_Num_Lock }, + { VK_SCROLL, XK_Scroll_Lock, NoSymbol }, + { VK_BROWSER_BACK, NoSymbol, XF86XK_Back }, + { VK_BROWSER_FORWARD, NoSymbol, XF86XK_Forward }, + { VK_BROWSER_REFRESH, NoSymbol, XF86XK_Refresh }, + { VK_BROWSER_STOP, NoSymbol, XF86XK_Stop }, + { VK_BROWSER_SEARCH, NoSymbol, XF86XK_Search }, + { VK_BROWSER_FAVORITES, NoSymbol, XF86XK_Favorites }, + { VK_BROWSER_HOME, NoSymbol, XF86XK_HomePage }, + { VK_VOLUME_MUTE, NoSymbol, XF86XK_AudioMute }, + { VK_VOLUME_DOWN, NoSymbol, XF86XK_AudioLowerVolume }, + { VK_VOLUME_UP, NoSymbol, XF86XK_AudioRaiseVolume }, + { VK_MEDIA_NEXT_TRACK, NoSymbol, XF86XK_AudioNext }, + { VK_MEDIA_PREV_TRACK, NoSymbol, XF86XK_AudioPrev }, + { VK_MEDIA_STOP, NoSymbol, XF86XK_AudioStop }, + { VK_MEDIA_PLAY_PAUSE, NoSymbol, XF86XK_AudioPlay }, + { VK_LAUNCH_MAIL, NoSymbol, XF86XK_Mail }, + { VK_LAUNCH_APP2, NoSymbol, XF86XK_Calculator }, +}; + +int win32_vkey_to_keysym(UINT vkey, int extended) +{ + int i; + + BYTE state[256]; + int ret; + WCHAR wstr[10]; + + // Start with keys that either don't generate a symbol, or + // generate the same symbol as some other key. + for (i = 0;i < sizeof(vkey_map)/sizeof(vkey_map[0]);i++) { + if (vkey == vkey_map[i][0]) { + if (extended) + return vkey_map[i][2]; + else + return vkey_map[i][1]; + } + } + + // Windows is not consistent in which virtual key it uses for + // the numpad decimal key, and this is not likely to be fixed: + // http://blogs.msdn.com/michkap/archive/2006/09/13/752377.aspx + // + // To get X11 behaviour, we instead look at the text generated + // by they key. + if ((vkey == VK_DECIMAL) || (vkey == VK_SEPARATOR)) { + UINT ch; + + ch = MapVirtualKey(vkey, MAPVK_VK_TO_CHAR); + switch (ch) { + case ',': + return XK_KP_Separator; + case '.': + return XK_KP_Decimal; + default: + return NoSymbol; + } + } + + // MapVirtualKey() doesn't look at modifiers, so it is + // insufficient for mapping most keys to a symbol. ToUnicode() + // does what we want though. Unfortunately it keeps state, so + // we have to be careful around dead characters. + + GetKeyboardState(state); + + // Pressing Ctrl wreaks havoc with the symbol lookup, so turn + // that off. But AltGr shows up as Ctrl+Alt in Windows, so keep + // Ctrl if Alt is active. + if (!(state[VK_LCONTROL] & 0x80) || !(state[VK_RMENU] & 0x80)) + state[VK_CONTROL] = state[VK_LCONTROL] = state[VK_RCONTROL] = 0; + + // FIXME: Multi character results, like U+0644 U+0627 + // on Arabic layout + ret = ToUnicode(vkey, 0, state, wstr, sizeof(wstr)/sizeof(wstr[0]), 0); + + if (ret == 0) { + // Most Ctrl+Alt combinations will fail to produce a symbol, so + // try it again with Ctrl unconditionally disabled. + state[VK_CONTROL] = state[VK_LCONTROL] = state[VK_RCONTROL] = 0; + ret = ToUnicode(vkey, 0, state, wstr, sizeof(wstr)/sizeof(wstr[0]), 0); + } + + if (ret == 1) + return ucs2keysym(wstr[0]); + + if (ret == -1) { + WCHAR dead_char; + + dead_char = wstr[0]; + + // Need to clear out the state that the dead key has caused. + // This is the recommended method by Microsoft's engineers: + // http://blogs.msdn.com/b/michkap/archive/2007/10/27/5717859.aspx + do { + ret = ToUnicode(vkey, 0, state, wstr, sizeof(wstr)/sizeof(wstr[0]), 0); + } while (ret < 0); + + // Dead keys are represented by their spacing equivalent + // (or something similar depending on the layout) + return ucs2keysym(ucs2combining(dead_char)); + } + + return NoSymbol; +} |