diff options
Diffstat (limited to 'tvision/classes/qnxrtp/qnxmouse.cc')
| -rw-r--r-- | tvision/classes/qnxrtp/qnxmouse.cc | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/tvision/classes/qnxrtp/qnxmouse.cc b/tvision/classes/qnxrtp/qnxmouse.cc new file mode 100644 index 0000000..60a55bb --- /dev/null +++ b/tvision/classes/qnxrtp/qnxmouse.cc @@ -0,0 +1,241 @@ +/* QNX RtP mouse handler routines source. + Copyright (c) 2002-2003 by Mike Gorchak + Covered by the BSD license. */ + +#include <tv/configtv.h> + +#if defined(TVOS_UNIX) && defined(TVOSf_QNXRtP) + +#define Uses_stdlib +#define Uses_string +#define Uses_stdio +#define Uses_time +#define Uses_TEvent +#define Uses_TEventQueue +#define Uses_TScreen +#include <tv.h> + +#include <fcntl.h> +#include <termios.h> +#include <sys/select.h> +#include <sys/dcmd_input.h> + +#include <tv/qnxrtp/screen.h> +#include <tv/qnxrtp/mouse.h> + +int THWMouseQNXRtP::MousePositionX=0; +int THWMouseQNXRtP::MousePositionY=0; +int THWMouseQNXRtP::MouseButtons; + +int THWMouseQNXRtP::MouseMickeyPositionX=0; +int THWMouseQNXRtP::MouseMickeyPositionY=0; + +THWMouseQNXRtP::~THWMouseQNXRtP() +{ + // this destructor is never called ! + // instead of it THWMouseQNXRtP::Suspend method called. +} + +int THWMouseQNXRtP::mousehandle=-1; + +int THWMouseQNXRtP::OpenDeviMouse() +{ + mousehandle=open("/dev/devi/mouse0", O_RDONLY); + if (mousehandle==-1) + { + return 0; + } + + MousePositionX=0; + MousePositionY=0; + MouseButtons=0; + MouseMickeyPositionX=0; + MouseMickeyPositionY=0; + + return 1; +} + +void THWMouseQNXRtP::CloseDeviMouse() +{ + if (mousehandle!=-1) + { + close(mousehandle); + mousehandle=-1; + } + + MousePositionX=0; + MousePositionY=0; + MouseButtons=0; + MouseMickeyPositionX=0; + MouseMickeyPositionY=0; +} + +void THWMouseQNXRtP::ProcessDeviMouse() +{ + fd_set mev; + int selectret; + struct timeval twait; + struct _mouse_packet pkt; + int cols=TDisplayQNXRtP::GetCols(); + int rows=TDisplayQNXRtP::GetRows(); + int TempMousePositionX=MousePositionX; + int TempMousePositionY=MousePositionY; + + FD_ZERO(&mev); + FD_SET(mousehandle, &mev); + + twait.tv_sec=0; + twait.tv_usec=1; + + selectret=select(mousehandle + 1, &mev, NULL, NULL, &twait); + switch (selectret) + { + case -1: + case 0: + break; + default: if (FD_ISSET(mousehandle, &mev)) + { + selectret=read(mousehandle, &pkt, sizeof(struct _mouse_packet)); + if (selectret==sizeof(struct _mouse_packet)) + { + MouseMickeyPositionX+=pkt.dx; + if (MouseMickeyPositionX<0) + { + MouseMickeyPositionX=0; + } + MouseMickeyPositionY-=pkt.dy; + if (MouseMickeyPositionY<0) + { + MouseMickeyPositionY=0; + } + TempMousePositionX=MouseMickeyPositionX/6; + TempMousePositionY=MouseMickeyPositionY/14; + if (TempMousePositionX>=cols) + { + TempMousePositionX=cols-1; + MouseMickeyPositionX=TempMousePositionX*6; + } + if (TempMousePositionY>=rows) + { + TempMousePositionY=rows-1; + MouseMickeyPositionY=TempMousePositionY*14; + } + if ((pkt.hdr.buttons & _POINTER_BUTTON_LEFT)==_POINTER_BUTTON_LEFT) + { + MouseButtons|=mbLeftButton; + } + else + { + MouseButtons&=~mbLeftButton; + } + if ((pkt.hdr.buttons & _POINTER_BUTTON_RIGHT)==_POINTER_BUTTON_RIGHT) + { + MouseButtons|=mbRightButton; + } + else + { + MouseButtons&=~mbRightButton; + } + if ((pkt.hdr.buttons & _POINTER_BUTTON_MIDDLE)==_POINTER_BUTTON_MIDDLE) + { + MouseButtons|=mbMiddleButton; + } + else + { + MouseButtons&=~mbMiddleButton; + } + } + } + break; + } + if ((TempMousePositionX!=MousePositionX) || (TempMousePositionY!=MousePositionY)) + { + Hide(); + + MousePositionX=TempMousePositionX; + MousePositionY=TempMousePositionY; + + Show(); + } +} + +void THWMouseQNXRtP::Init() +{ + if (OpenDeviMouse()) + { + buttonCount=3; + + THWMouse::Show=Show; + THWMouse::Hide=Hide; + THWMouse::Suspend=Suspend; + THWMouse::Resume=Resume; + THWMouse::GetEvent=GetEvent; + } + else + { + buttonCount=0; + } +} + +void THWMouseQNXRtP::Show() +{ + if (mousehandle!=-1) + { + int cols=TDisplayQNXRtP::GetCols(); + ushort offset=MousePositionY*cols+MousePositionX; + ushort mdata=TScreenQNXRtP::screenBuffer[offset]; + + // a la Windows 2000 style text mouse cursor. + mdata=(mdata & 0x00FF) | (mdata & 0x8800) | (~(mdata) & 0x7000) | (~(mdata) & 0x0700); + TScreenQNXRtP::writeBlock(offset, 1, &mdata, &mdata); + } +} + +void THWMouseQNXRtP::Hide() +{ + if (mousehandle!=-1) + { + int cols=TDisplayQNXRtP::GetCols(); + ushort offset=MousePositionY*cols+MousePositionX; + + TScreenQNXRtP::writeBlock(offset, 1, TScreenQNXRtP::screenBuffer+offset, TScreenQNXRtP::screenBuffer+offset); + } +} + +void THWMouseQNXRtP::Suspend() +{ + CloseDeviMouse(); +} + +void THWMouseQNXRtP::Resume() +{ + if (OpenDeviMouse()) + { + buttonCount=3; + } + else + { + buttonCount=0; + } +} + +void THWMouseQNXRtP::GetEvent(MouseEventType &me) +{ + if (mousehandle!=-1) + { + ProcessDeviMouse(); + } + + me.buttons = MouseButtons; + me.doubleClick = False; + me.where.x = MousePositionX; + me.where.y = MousePositionY; +} + +#else + + // Here to generate the dependencies in RHIDE + #include <tv/qnxrtp/screen.h> + #include <tv/qnxrtp/mouse.h> + +#endif // TVOS_UNIX && TVOSf_QNXRtP |