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;
}
}
}
/* Setup the Window to display the surface */
unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface)
{
_kernel_swi_regs regs;
int window_data[23];
int *window_block = window_data+1;
int x = (this->hidden->screen_width - surface->w) / 2;
int y = (this->hidden->screen_height - surface->h) / 2;
int xeig = this->hidden->xeig;
int yeig = this->hidden->yeig;
mouseInWindow = 0;
/* Always delete the window and recreate on a change */
if (this->hidden->window_handle) WIMP_DeleteWindow(this);
/* Setup window co-ordinates */
window_block[0] = x << xeig;
window_block[1] = y << yeig;
window_block[2] = window_block[0] + (surface->w << xeig);
window_block[3] = window_block[1] + (surface->h << yeig);
window_block[4] = 0; /* Scroll offsets */
window_block[5] = 0;
window_block[6] = -1; /* Open on top of window stack */
window_block[7] = 0x85040042; /* Window flags */
if (riscos_closeaction != 0) window_block[7] |= 0x2000000;
/* TODO: Take into account surface->flags */
window_block[8] = 0xff070207; /* Window colours */
window_block[9] = 0x000c0103;
window_block[10] = 0; /* Work area minimum */
window_block[11] = -surface->h << yeig;
window_block[12] = surface->w << xeig; /* Work area maximum */
window_block[13] = 0;
window_block[14] = 0x2700013d; /* Title icon flags */
window_block[15] = 0x00003000; /* Work area flags - Mouse click down reported */
window_block[16] = 1; /* Sprite area control block pointer */
window_block[17] = 0x00100010; /* Minimum window size (width & height) (16x16)*/
window_block[18] = (int)this->hidden->title; /* Title data */
window_block[19] = -1;
window_block[20] = 256;
window_block[21] = 0; /* Number of icons */
regs.r[1] = (unsigned int)(window_block);
/* Create the window */
if (_kernel_swi(Wimp_CreateWindow, ®s, ®s) == NULL)
{
this->hidden->window_handle = window_data[0] = regs.r[0];
/* Show the window on the screen */
regs.r[1] = (unsigned int)window_data;
if (_kernel_swi(Wimp_OpenWindow, ®s, ®s) == NULL)
{
WIMP_SetFocus(this->hidden->window_handle);
} else
{
WIMP_DeleteWindow(this);
}
}
return this->hidden->window_handle;
}