/*
* Return about the screen.
*/
void
GdGetScreenInfo(PSD psd, PMWSCREENINFO psi)
{
psd->GetScreenInfo(psd, psi);
GdGetButtonInfo(&psi->buttons);
GdGetModifierInfo(&psi->modifiers, NULL);
GdGetCursorPos(&psi->xpos, &psi->ypos);
}
/*
* 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
MwHandleMouseStatus(MWCOORD newx, MWCOORD newy, int newbuttons)
{
int changebuttons; /* buttons that have changed */
MWKEYMOD modifiers; /* latest modifiers */
static int curbuttons;
GdGetModifierInfo(NULL, &modifiers); /* Read kbd 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.
*/
if (newx != cursorx || newy != cursory) {
MwMoveCursor(newx, newy);
MwDeliverMouseEvent(newbuttons, 0, modifiers);
}
/*
* Next, generate a button up event if any buttons have been released.
*/
changebuttons = (curbuttons & ~newbuttons);
if (changebuttons)
MwDeliverMouseEvent(newbuttons, changebuttons, modifiers);
/*
* Finally, generate a button down event if any buttons have been
* pressed.
*/
changebuttons = (~curbuttons & newbuttons);
if (changebuttons)
MwDeliverMouseEvent(newbuttons, changebuttons, modifiers);
curbuttons = newbuttons;
}
/*
* Initialize the graphics and mouse devices at startup.
* Returns nonzero with a message printed if the initialization failed.
*/
int
GsInitialize(void)
{
GR_WINDOW *wp; /* root window */
static IMAGEBITS cursorbits[16] = {
0xe000, 0x9800, 0x8600, 0x4180,
0x4060, 0x2018, 0x2004, 0x107c,
0x1020, 0x0910, 0x0988, 0x0544,
0x0522, 0x0211, 0x000a, 0x0004
};
static IMAGEBITS cursormask[16] = {
0xe000, 0xf800, 0xfe00, 0x7f80,
0x7fe0, 0x3ff8, 0x3ffc, 0x1ffc,
0x1fe0, 0x0ff0, 0x0ff8, 0x077c,
0x073e, 0x021f, 0x000e, 0x0004
};
wp = (GR_WINDOW *) malloc(sizeof(GR_WINDOW));
if (wp == NULL) {
fprintf(stderr, "Cannot allocate root window\n");
return -1;
}
#if !NONETWORK
if (GsOpenSocket() < 0) {
perror("Cannot bind to named socket");
free(wp);
return -1;
}
#endif
if ((keyb_fd = GdOpenKeyboard()) < 0) {
perror("Cannot initialise keyboard");
/*GsCloseSocket();*/
free(wp);
return -1;
}
if (GdOpenScreen() < 0) {
perror("Cannot initialise screen");
/*GsCloseSocket();*/
GdCloseKeyboard();
free(wp);
return -1;
}
if ((mouse_fd = GdOpenMouse()) == -1) { /* -2 == mou_nul.c */
perror("Cannot initialise mouse");
/*GsCloseSocket();*/
GdCloseScreen();
GdCloseKeyboard();
free(wp);
return -1;
}
/*
* Get screen dimensions for our own and the client's use,
* and the information about the default font.
*/
GdGetScreenInfo(&scrdev, &sinfo);
GdGetFontInfo(&scrdev, FONT_OEM_FIXED, &curfont);
GdGetModifierInfo(&sinfo.modifiers);
GdGetButtonInfo(&sinfo.buttons);
/*
* Initialize the root window.
*/
wp->id = GR_ROOT_WINDOW_ID;
wp->parent = wp;
wp->children = NULL;
wp->siblings = NULL;
wp->next = NULL;
wp->x = 0;
wp->y = 0;
wp->width = sinfo.cols;
wp->height = sinfo.rows;
wp->bordersize = 0;
wp->background = BLACK;
wp->bordercolor = BLACK;
wp->nopropmask = 0;
wp->eventclients = NULL;
wp->cursor = NULL;
wp->mapped = GR_TRUE;
wp->unmapcount = 0;
wp->output = GR_TRUE;
listwp = wp;
rootwp = wp;
focuswp = wp;
mousewp = wp;
focusfixed = GR_FALSE;
/*
* Initialize and position the default cursor.
*/
curcursor = NULL;
cursorx = -1;
cursory = -1;
GsMoveCursor(sinfo.cols / 2, sinfo.rows / 2);
GsSetCursor(GR_ROOT_WINDOW_ID, 16, 16, 0, 0, WHITE, BLACK,
cursorbits, cursormask);
#if FRAMEBUFFER | BOGL
fb_InitVt();
#endif
scrdev.FillRect(&scrdev, 0, 0, sinfo.cols-1, sinfo.rows-1,
GdFindColor(BLACK));
/*
* Finally tell the mouse driver some things.
*/
curbuttons = 0;
/*GdSetAccelMouse(5, 3);*/
GdRestrictMouse(0, 0, sinfo.cols - 1, sinfo.rows - 1);
GdMoveMouse(sinfo.cols / 2, sinfo.rows / 2);
GsFlush();
/*
* All done.
*/
connectcount = 0;
return 0;
}