void WIMP_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
{
_kernel_swi_regs regs;
int update_block[12];
int xeig = this->hidden->xeig;
int yeig = this->hidden->yeig;
int j;
update_block[0] = this->hidden->window_handle;
for (j = 0; j < numrects; j++)
{
update_block[1] = rects[j].x << xeig; /* Min X */
update_block[4] = -(rects[j].y << yeig);
update_block[3] = update_block[1] + (rects[j].w << xeig);
update_block[2] = update_block[4] - (rects[j].h << yeig);
regs.r[1] = (int)update_block;
/* Update window can fail if called before first poll */
if (_kernel_swi(Wimp_UpdateWindow, ®s, ®s) == 0)
{
while (regs.r[0])
{
WIMP_PlotSprite(this, update_block[1], update_block[2]);
_kernel_swi(Wimp_GetRectangle, ®s, ®s);
}
}
}
}
void WIMP_Poll(_THIS, int waitTime)
{
_kernel_swi_regs regs;
int message[64];
unsigned int code;
int pollMask = 0;
int doPoll = 1;
int sysEvent;
int sdlWindow = this->hidden->window_handle;
if (this->PumpEvents != WIMP_PumpEvents) return;
if (waitTime > 0)
{
_kernel_swi(OS_ReadMonotonicTime, ®s, ®s);
waitTime += regs.r[0];
}
while (doPoll)
{
if (waitTime <= 0)
{
regs.r[0] = pollMask; /* Poll Mask */
/* For no wait time mask out null event so we wait until something happens */
if (waitTime < 0) regs.r[0] |= 1;
regs.r[1] = (int)message;
_kernel_swi(Wimp_Poll, ®s, ®s);
} else
{
regs.r[0] = pollMask;
regs.r[1] = (int)message;
regs.r[2] = waitTime;
_kernel_swi(Wimp_PollIdle, ®s, ®s);
}
/* Flag to specify if we post a SDL_SysWMEvent */
sysEvent = 0;
code = (unsigned int)regs.r[0];
switch(code)
{
case 0: /* Null Event - drop out for standard processing*/
doPoll = 0;
break;
case 1: /* Redraw window */
_kernel_swi(Wimp_RedrawWindow, ®s,®s);
if (message[0] == sdlWindow)
{
while (regs.r[0])
{
WIMP_PlotSprite(this, message[1], message[2]);
_kernel_swi(Wimp_GetRectangle, ®s, ®s);
}
} else
{
/* TODO: Currently we just eat them - we may need to pass them on */
while (regs.r[0])
{
_kernel_swi(Wimp_GetRectangle, ®s, ®s);
}
}
break;
case 2: /* Open window */
if ( resizeOnOpen && message[0] == sdlWindow)
{
/* Ensure window is correct size */
resizeOnOpen = 0;
message[3] = message[1] + (this->screen->w << this->hidden->xeig);
message[4] = message[2] + (this->screen->h << this->hidden->yeig);
}
_kernel_swi(Wimp_OpenWindow, ®s, ®s);
break;
case 3: /* Close window */
if (message[0] == sdlWindow)
{
/* Documentation makes it looks as if the following line is correct:
** if (SDL_PrivateQuit() == 1) _kernel_swi(Wimp_CloseWindow, ®s, ®s);
** However some programs don't process this message and so sit there invisibly
** in the background so I just post the quit message and hope the application
** does the correct thing.
*/
SDL_PrivateQuit();
} else
sysEvent = 1;
doPoll = 0;
break;
case 4: /* Pointer_Leaving_Window */
if (message[0] == sdlWindow)
{
mouseInWindow = 0;
//TODO: Lose buttons / dragging
/* Reset to default pointer */
regs.r[0] = 106;
regs.r[1] = 1;
regs.r[2] = 0;
_kernel_swi(OS_Byte, ®s, ®s);
SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
} else
sysEvent = 1;
break;
case 5: /* Pointer_Entering_Window */
if (message[0] == sdlWindow)
{
mouseInWindow = 1;
WIMP_ReshowCursor(this);
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
} else sysEvent = 1;
break;
case 6: /* Mouse_Click */
if (hasFocus == 0)
{
/* First click gives focus if it's not a menu */
/* we only count non-menu clicks on a window that has the focus */
WIMP_SetFocus(message[3]);
} else
doPoll = 0; // So PollMouse gets a chance to pick it up
break;
case 7: /* User_Drag_Box - Used for mouse release */
//TODO: May need to implement this in the future
sysEvent = 1;
break;
case 8: /* Keypressed */
doPoll = 0; /* PollKeyboard should pick it up */
if (message[0] != sdlWindow) sysEvent = 1;
/*TODO: May want to always pass F12 etc to the wimp
{
regs.r[0] = message[6];
_kernel_swi(Wimp_ProcessKey, ®s, ®s);
}
*/
break;
case 11: /* Lose Caret */
hasFocus = 0;
if (message[0] == sdlWindow) SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);
else sysEvent = 1;
break;
case 12: /* Gain Caret */
hasFocus = 1;
if (message[0] == sdlWindow) SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);
else sysEvent = 1;
break;
case 17:
case 18:
sysEvent = 1; /* All messages are passed on */
switch(message[4])
{
case 0: /* Quit Event */
/* No choice - have to quit */
SDL_Quit();
exit(0);
break;
case 8: /* Pre Quit */
SDL_PrivateQuit();
break;
case 0x400c1: /* Mode change */
WIMP_ModeChanged(this);
resizeOnOpen = 1;
break;
case 9: /* Palette changed */
WIMP_PaletteChanged(this);
break;
}
break;
default:
/* Pass unknown events on */
sysEvent = 1;
break;
}
if (sysEvent)
{
SDL_SysWMmsg wmmsg;
SDL_VERSION(&wmmsg.version);
wmmsg.eventCode = code;
memcpy(wmmsg.pollBlock, message, 64 * sizeof(int));
/* Fall out of polling loop if message is successfully posted */
if (SDL_PrivateSysWMEvent(&wmmsg)) doPoll = 0;
}
}
}
