/*
* Handle all mouse events. These are mouse enter, mouse exit, mouse
* motion, mouse position, button down, and button up. This also moves
* the cursor to the new mouse position and changes it shape if needed.
*/
void GsHandleMouseStatus(GR_COORD newx, GR_COORD newy, int newbuttons)
{
int changebuttons; /* buttons that have changed */
MWKEYMOD modifiers; /* latest modifiers */
GdGetModifierInfo(NULL, &modifiers); /* Read kbd modifiers */
/* If we are currently in raw mode, then just deliver the raw event */
if (mousedev.flags & MOUSE_RAW) {
GsDeliverRawMouseEvent(newx, newy, newbuttons, modifiers);
return;
}
/*
* First, if the mouse has moved, then position the cursor to the
* new location, which will send mouse enter, mouse exit, focus in,
* and focus out events if needed. Check here for mouse motion and
* mouse position events. Flush the device queue to make sure the
* new cursor location is quickly seen by the user.
*/
if ((newx != cursorx) || (newy != cursory)) {
GsResetScreenSaver();
GrMoveCursor(newx, newy);
GsDeliverMotionEvent(GR_EVENT_TYPE_MOUSE_MOTION,
newbuttons, modifiers);
GsDeliverMotionEvent(GR_EVENT_TYPE_MOUSE_POSITION,
newbuttons, modifiers);
}
/*
* Next, generate a button up event if any buttons have been released.
*/
changebuttons = (curbuttons & ~newbuttons);
if (changebuttons) {
GsResetScreenSaver();
GsDeliverButtonEvent(GR_EVENT_TYPE_BUTTON_UP,
newbuttons, changebuttons, modifiers);
}
/*
* Finally, generate a button down event if any buttons have been
* pressed.
*/
changebuttons = (~curbuttons & newbuttons);
if (changebuttons) {
if ((newbuttons&(GR_BUTTON_L|GR_BUTTON_R)) == (GR_BUTTON_L|GR_BUTTON_R))
GsTerminate();
GsResetScreenSaver();
GsDeliverButtonEvent(GR_EVENT_TYPE_BUTTON_DOWN,
newbuttons, changebuttons, modifiers);
}
curbuttons = newbuttons;
}
/*
* Handle all mouse events. These are mouse enter, mouse exit, mouse
* motion, mouse position, button down, and button up. This also moves
* the cursor to the new mouse position and changes it shape if needed.
*/
void GsHandleMouseStatus(GR_COORD newx, GR_COORD newy, BUTTON newbuttons)
{
BUTTON changebuttons; /* buttons that have changed */
unsigned char ch; /* latest character */
MODIFIER modifiers; /* latest modifiers */
GdReadKeyboard(&ch, &modifiers); /* Read the modifiers */
/*
* First, if the mouse has moved, then position the cursor to the
* new location, which will send mouse enter, mouse exit, focus in,
* and focus out events if needed. Check here for mouse motion and
* mouse position events. Flush the device queue to make sure the
* new cursor location is quickly seen by the user.
*/
if ((newx != cursorx) || (newy != cursory)) {
GsMoveCursor(newx, newy);
GsFlush();
GsDeliverMotionEvent(GR_EVENT_TYPE_MOUSE_MOTION,
newbuttons, modifiers);
GsDeliverMotionEvent(GR_EVENT_TYPE_MOUSE_POSITION,
newbuttons, modifiers);
}
/*
* Next, generate a button up event if any buttons have been released.
*/
changebuttons = (curbuttons & ~newbuttons);
if (changebuttons) {
GsDeliverButtonEvent(GR_EVENT_TYPE_BUTTON_UP,
newbuttons, changebuttons, modifiers);
}
/*
* Finally, generate a button down event if any buttons have been
* pressed.
*/
changebuttons = (~curbuttons & newbuttons);
if (changebuttons) {
GsDeliverButtonEvent(GR_EVENT_TYPE_BUTTON_DOWN,
newbuttons, changebuttons, modifiers);
}
curbuttons = newbuttons;
}
