bool_t _gwinDrawStart(GHandle gh) {
// This test should occur inside the lock. We do this
// here as well as an early out (more efficient).
if (!(gh->flags & GWIN_FLG_SYSVISIBLE))
return FALSE;
// Obtain the drawing lock
gfxSemWait(&gwinsem, TIME_INFINITE);
// Re-test visibility as we may have waited a while
if (!(gh->flags & GWIN_FLG_SYSVISIBLE)) {
_gwinDrawEnd(gh);
return FALSE;
}
// OK - we are ready to draw.
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
#endif
return TRUE;
}
static uint32_t CalibrateMouse(GMouse *m) {
coord_t w, h;
point cross[4]; // The locations of the test points on the display
point points[4]; // The x, y readings obtained from the mouse for each test point
uint32_t err;
#if GDISP_NEED_TEXT
font_t font1, font2;
#endif
#if GDISP_NEED_TEXT
font1 = gdispOpenFont(CALIBRATION_FONT);
if (!font1) font1 = gdispOpenFont("*");
font2 = gdispOpenFont(CALIBRATION_FONT2);
if (!font2) font2 = gdispOpenFont("*");
#endif
err = 0;
w = gdispGGetWidth(m->display);
h = gdispGGetHeight(m->display);
#if GDISP_NEED_CLIP
gdispGSetClip(m->display, 0, 0, w, h);
#endif
// Ensure we get minimaly processed readings for the calibration
m->flags |= GMOUSE_FLG_IN_CAL;
// Set up our calibration locations
if ((gmvmt(m)->d.flags & GMOUSE_VFLG_CAL_EXTREMES)) {
cross[0].x = 0; cross[0].y = 0;
cross[1].x = w-1; cross[1].y = 0;
cross[2].x = w-1; cross[2].y = h-1;
cross[3].x = w/2; cross[3].y = h/2;
} else {
cross[0].x = w/4; cross[0].y = h/4;
cross[1].x = w-w/4; cross[1].y = h/4;
cross[2].x = w-w/4; cross[2].y = h-h/4;
cross[3].x = w/2; cross[3].y = h/2;
}
// Set up the calibration display
gdispGClear(m->display, Blue);
#if GDISP_NEED_TEXT
gdispGFillStringBox(m->display,
0, CALIBRATION_TITLE_Y, w, CALIBRATION_TITLE_HEIGHT,
CALIBRATION_TITLE, font1, CALIBRATION_TITLE_COLOR, CALIBRATION_TITLE_BACKGROUND,
justifyCenter);
#endif
// Calculate the calibration
{
unsigned i, maxpoints;
maxpoints = (gmvmt(m)->d.flags & GMOUSE_VFLG_CAL_TEST) ? 4 : 3;
// Loop through the calibration points
for(i = 0; i < maxpoints; i++) {
int32_t px, py;
unsigned j;
// Draw the current calibration point
CalibrationCrossDraw(m, &cross[i]);
// Get a valid "point pressed" average reading
do {
// Wait for the mouse to be pressed
while(!(m->r.buttons & GINPUT_MOUSE_BTN_LEFT))
gfxSleepMilliseconds(CALIBRATION_POLL_PERIOD);
// Sum samples taken every CALIBRATION_POLL_PERIOD milliseconds while the mouse is down
px = py = j = 0;
while((m->r.buttons & GINPUT_MOUSE_BTN_LEFT)) {
// Limit sampling period to prevent overflow
if (j < CALIBRATION_MAXPRESS_PERIOD/CALIBRATION_POLL_PERIOD) {
px += m->r.x;
py += m->r.y;
j++;
}
gfxSleepMilliseconds(CALIBRATION_POLL_PERIOD);
}
// Ignore presses less than CALIBRATION_MAXPRESS_PERIOD milliseconds
} while(j < CALIBRATION_MINPRESS_PERIOD/CALIBRATION_POLL_PERIOD);
points[i].x = px / j;
points[i].y = py / j;
// Clear the current calibration point
CalibrationCrossClear(m, &cross[i]);
}
}
// Apply 3 point calibration algorithm
CalibrationCalculate(m, cross, points);
/* Verification of correctness of calibration (optional) :
* See if the 4th point (Middle of the screen) coincides with the calibrated
* result. If point is within +/- Squareroot(ERROR) pixel margin, then successful calibration
* Else return the error.
*/
if ((gmvmt(m)->d.flags & GMOUSE_VFLG_CAL_TEST)) {
const GMouseJitter *pj;
// Are we in pen or finger mode
pj = (m->flags & GMOUSE_FLG_FINGERMODE) ? &gmvmt(m)->finger_jitter : &gmvmt(m)->pen_jitter;
// Transform the co-ordinates
CalibrationTransform((GMouseReading *)&points[3], &m->caldata);
// Do we need to rotate the reading to match the display
#if GDISP_NEED_CONTROL
if (!(gmvmt(m)->d.flags & GMOUSE_VFLG_SELFROTATION)) {
coord_t t;
switch(gdispGGetOrientation(m->display)) {
case GDISP_ROTATE_0:
break;
case GDISP_ROTATE_90:
t = points[3].x;
points[3].x = w - 1 - points[3].y;
points[3].y = t;
break;
case GDISP_ROTATE_180:
points[3].x = w - 1 - points[3].x;
points[3].y = h - 1 - points[3].y;
break;
case GDISP_ROTATE_270:
t = points[3].y;
points[3].y = h - 1 - points[3].x;
points[3].x = t;
break;
default:
break;
}
}
#endif
// Is this accurate enough?
err = (points[3].x - cross[3].x) * (points[3].x - cross[3].x) + (points[3].y - cross[3].y) * (points[3].y - cross[3].y);
if (err > (uint32_t)pj->calibrate * (uint32_t)pj->calibrate) {
#if GDISP_NEED_TEXT
// No - Display error and return
gdispGFillStringBox(m->display,
0, CALIBRATION_ERROR_Y, w, CALIBRATION_ERROR_HEIGHT,
CALIBRATION_ERROR_TEXT, font2, CALIBRATION_ERROR_COLOR, CALIBRATION_ERROR_BACKGROUND,
justifyCenter);
gfxSleepMilliseconds(CALIBRATION_ERROR_DELAY);
#endif
} else
err = 0;
}
// We are done calibrating
#if GDISP_NEED_TEXT
gdispCloseFont(font1);
gdispCloseFont(font2);
#endif
m->flags &= ~GMOUSE_FLG_IN_CAL;
m->flags |= GMOUSE_FLG_CLIP;
// Save the calibration data (if possible)
if (!err) {
m->flags |= GMOUSE_FLG_CALIBRATE;
#if GINPUT_TOUCH_USER_CALIBRATION_SAVE
SaveMouseCalibration(gdriverGetDriverInstanceNumber((GDriver *)m), &m->caldata, sizeof(GMouseCalibration));
#endif
if (gmvmt(m)->calsave)
gmvmt(m)->calsave(m, &m->caldata, sizeof(GMouseCalibration));
}
// Force an initial reading
m->r.buttons = 0;
GetMouseReading(m);
// Clear the screen using the GWIN default background color
#if GFX_USE_GWIN
gdispGClear(m->display, gwinGetDefaultBgColor());
#else
gdispGClear(m->display, GDISP_STARTUP_COLOR);
#endif
return err;
}
bool_t ginputCalibrateMouse(uint16_t instance) {
#if !GINPUT_MOUSE_NEED_CALIBRATION
(void) instance;
return FALSE;
#else
const coord_t height = gdispGGetHeight(MouseConfig.display);
const coord_t width = gdispGGetWidth(MouseConfig.display);
#if GINPUT_MOUSE_CALIBRATE_EXTREMES
const MousePoint cross[] = {{0, 0},
{(width - 1) , 0},
{(width - 1) , (height - 1)},
{(width / 2), (height / 2)}}; /* Check point */
#else
const MousePoint cross[] = {{(width / 4), (height / 4)},
{(width - (width / 4)) , (height / 4)},
{(width - (width / 4)) , (height - (height / 4))},
{(width / 2), (height / 2)}}; /* Check point */
#endif
MousePoint points[GINPUT_MOUSE_CALIBRATION_POINTS];
const MousePoint *pc;
MousePoint *pt;
int32_t px, py;
unsigned i, j;
font_t font1, font2;
#if GINPUT_MOUSE_MAX_CALIBRATION_ERROR >= 0
unsigned err;
#endif
if (instance || (MouseConfig.flags & FLG_IN_CAL))
return FALSE;
font1 = gdispOpenFont(GINPUT_MOUSE_CALIBRATION_FONT);
font2 = gdispOpenFont(GINPUT_MOUSE_CALIBRATION_FONT2);
MouseConfig.flags |= FLG_IN_CAL;
gtimerStop(&MouseTimer);
MouseConfig.flags &= ~(FLG_CAL_OK|FLG_CAL_SAVED|FLG_CAL_RAW);
#if GDISP_NEED_CLIP
gdispGSetClip(MouseConfig.display, 0, 0, width, height);
#endif
#if GINPUT_MOUSE_MAX_CALIBRATION_ERROR >= 0
while(1) {
#endif
gdispGClear(MouseConfig.display, Blue);
gdispGFillStringBox(MouseConfig.display, 0, 5, width, 30, GINPUT_MOUSE_CALIBRATION_TEXT, font1, White, Blue, justifyCenter);
for(i = 0, pt = points, pc = cross; i < GINPUT_MOUSE_CALIBRATION_POINTS; i++, pt++, pc++) {
_tsDrawCross(pc);
do {
/* Wait for the mouse to be pressed */
while(get_raw_reading(&MouseConfig.t), !(MouseConfig.t.buttons & GINPUT_MOUSE_BTN_LEFT))
gfxSleepMilliseconds(20);
/* Average all the samples while the mouse is down */
for(px = py = 0, j = 0;
gfxSleepMilliseconds(20), /* Settling time between readings */
get_raw_reading(&MouseConfig.t),
(MouseConfig.t.buttons & GINPUT_MOUSE_BTN_LEFT);
j++) {
px += MouseConfig.t.x;
py += MouseConfig.t.y;
}
} while(!j);
pt->x = px / j;
pt->y = py / j;
_tsClearCross(pc);
if (i >= 1 && pt->x == (pt-1)->x && pt->y == (pt-1)->y) {
gdispGFillStringBox(MouseConfig.display, 0, 35, width, 40, GINPUT_MOUSE_CALIBRATION_SAME_TEXT, font2, Red, Yellow, justifyCenter);
gfxSleepMilliseconds(5000);
gdispGFillArea(MouseConfig.display, 0, 35, width, 40, Blue);
}
}
/* Apply 3 point calibration algorithm */
_tsDo3PointCalibration(cross, points, MouseConfig.display, &MouseConfig.caldata);
/* Verification of correctness of calibration (optional) :
* See if the 4th point (Middle of the screen) coincides with the calibrated
* result. If point is within +/- Squareroot(ERROR) pixel margin, then successful calibration
* Else, start from the beginning.
*/
#if GINPUT_MOUSE_MAX_CALIBRATION_ERROR >= 0
/* Transform the co-ordinates */
MouseConfig.t.x = points[3].x;
MouseConfig.t.y = points[3].y;
_tsTransform(&MouseConfig.t, &MouseConfig.caldata);
_tsOrientClip(&MouseConfig.t, MouseConfig.display, FALSE);
/* Calculate the delta */
err = (MouseConfig.t.x - cross[3].x) * (MouseConfig.t.x - cross[3].x) +
(MouseConfig.t.y - cross[3].y) * (MouseConfig.t.y - cross[3].y);
if (err <= GINPUT_MOUSE_MAX_CALIBRATION_ERROR * GINPUT_MOUSE_MAX_CALIBRATION_ERROR)
break;
gdispGFillStringBox(MouseConfig.display, 0, 35, width, 40, GINPUT_MOUSE_CALIBRATION_ERROR_TEXT, font2, Red, Yellow, justifyCenter);
gfxSleepMilliseconds(5000);
}
#endif
// Restart everything
gdispCloseFont(font1);
gdispCloseFont(font2);
MouseConfig.flags |= FLG_CAL_OK;
MouseConfig.last_buttons = 0;
get_calibrated_reading(&MouseConfig.t);
MouseConfig.flags &= ~FLG_IN_CAL;
if ((MouseConfig.flags & FLG_INIT_DONE))
gtimerStart(&MouseTimer, MousePoll, 0, TRUE, GINPUT_MOUSE_POLL_PERIOD);
// Save the calibration data (if possible)
if (MouseConfig.fnsavecal) {
MouseConfig.fnsavecal(instance, (const uint8_t *)&MouseConfig.caldata, sizeof(MouseConfig.caldata));
MouseConfig.flags |= FLG_CAL_SAVED;
}
// Clear the screen using the GWIN default background color
#if GFX_USE_GWIN
gdispGClear(MouseConfig.display, gwinGetDefaultBgColor());
#else
gdispGClear(MouseConfig.display, Black);
#endif
return TRUE;
#endif
}
static void getLock(GHandle gh) {
gfxMutexEnter(&gmutex);
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
}
void _gwinFlushRedraws(GRedrawMethod how) {
GHandle gh;
// Do we really need to do anything?
if (!RedrawPending)
return;
// Obtain the drawing lock
if (how == REDRAW_WAIT)
gfxSemWait(&gwinsem, TIME_INFINITE);
else if (how == REDRAW_NOWAIT && !gfxSemWait(&gwinsem, TIME_IMMEDIATE))
// Someone is drawing - They will do the redraw when they are finished
return;
// Do loss of visibility first
while ((RedrawPending & DOREDRAW_INVISIBLES)) {
RedrawPending &= ~DOREDRAW_INVISIBLES; // Catch new requests
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if ((gh->flags & (GWIN_FLG_NEEDREDRAW|GWIN_FLG_SYSVISIBLE)) != GWIN_FLG_NEEDREDRAW)
continue;
// Do the redraw
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
_GWINwm->vmt->Redraw(gh);
gdispGUnsetClip(gh->display);
#else
_GWINwm->vmt->Redraw(gh);
#endif
// Postpone further redraws
#if !GWIN_REDRAW_IMMEDIATE && !GWIN_REDRAW_SINGLEOP
if (how == REDRAW_NOWAIT) {
RedrawPending |= DOREDRAW_INVISIBLES;
TriggerRedraw();
goto releaselock;
}
#endif
}
}
// Do the visible windows next
while ((RedrawPending & DOREDRAW_VISIBLES)) {
RedrawPending &= ~DOREDRAW_VISIBLES; // Catch new requests
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if ((gh->flags & (GWIN_FLG_NEEDREDRAW|GWIN_FLG_SYSVISIBLE)) != (GWIN_FLG_NEEDREDRAW|GWIN_FLG_SYSVISIBLE))
continue;
// Do the redraw
#if GDISP_NEED_CLIP
gdispGSetClip(gh->display, gh->x, gh->y, gh->width, gh->height);
_GWINwm->vmt->Redraw(gh);
gdispGUnsetClip(gh->display);
#else
_GWINwm->vmt->Redraw(gh);
#endif
// Postpone further redraws (if there are any and the options are set right)
#if !GWIN_REDRAW_IMMEDIATE && !GWIN_REDRAW_SINGLEOP
if (how == REDRAW_NOWAIT) {
while((gh = gwinGetNextWindow(gh))) {
if ((gh->flags & (GWIN_FLG_NEEDREDRAW|GWIN_FLG_SYSVISIBLE)) == (GWIN_FLG_NEEDREDRAW|GWIN_FLG_SYSVISIBLE)) {
RedrawPending |= DOREDRAW_VISIBLES;
TriggerRedraw();
break;
}
}
goto releaselock;
}
#endif
}
}
#if !GWIN_REDRAW_IMMEDIATE && !GWIN_REDRAW_SINGLEOP
releaselock:
#endif
// Release the lock
if (how == REDRAW_WAIT || how == REDRAW_NOWAIT)
gfxSemSignal(&gwinsem);
}
void gwinListDefaultDraw(GWidgetObject* gw, void* param) {
const gfxQueueASyncItem* qi;
int i;
coord_t x, y, iheight, iwidth;
color_t fill;
const GColorSet * ps;
#if GWIN_NEED_LIST_IMAGES
coord_t sy;
#endif
#if GDISP_NEED_CONVEX_POLYGON
static const point upArrow[] = { {0, LST_ARROW_SZ}, {LST_ARROW_SZ, LST_ARROW_SZ}, {LST_ARROW_SZ/2, 0} };
static const point downArrow[] = { {0, 0}, {LST_ARROW_SZ, 0}, {LST_ARROW_SZ/2, LST_ARROW_SZ} };
#endif
(void)param;
// is it a valid handle?
if (gw->g.vmt != (gwinVMT *)&listVMT)
return;
// don't render if render has been disabled
if (!(gw->g.flags & GLIST_FLG_ENABLERENDER))
return;
ps = (gw->g.flags & GWIN_FLG_SYSENABLED) ? &gw->pstyle->enabled : &gw->pstyle->disabled;
iheight = gdispGetFontMetric(gw->g.font, fontHeight) + LST_VERT_PAD;
x = 1;
// the scroll area
if (gw->g.flags & GLIST_FLG_SCROLLSMOOTH) {
iwidth = gw->g.width - 2 - 4;
if (gw2obj->cnt > 0) {
int max_scroll_value = gw2obj->cnt * iheight - gw->g.height-2;
if (max_scroll_value > 0) {
int bar_height = (gw->g.height-2) * (gw->g.height-2) / (gw2obj->cnt * iheight);
gdispGFillArea(gw->g.display, gw->g.x + gw->g.width-4, gw->g.y + 1, 2, gw->g.height-1, gw->pstyle->background);
gdispGFillArea(gw->g.display, gw->g.x + gw->g.width-4, gw->g.y + gw2obj->top * ((gw->g.height-2)-bar_height) / max_scroll_value, 2, bar_height, ps->edge);
}
}
} else if ((gw2obj->cnt > (gw->g.height-2) / iheight) || (gw->g.flags & GLIST_FLG_SCROLLALWAYS)) {
iwidth = gw->g.width - (LST_SCROLLWIDTH+3);
gdispGFillArea(gw->g.display, gw->g.x+iwidth+2, gw->g.y+1, LST_SCROLLWIDTH, gw->g.height-2, gdispBlendColor(ps->fill, gw->pstyle->background, 128));
gdispGDrawLine(gw->g.display, gw->g.x+iwidth+1, gw->g.y+1, gw->g.x+iwidth+1, gw->g.y+gw->g.height-2, ps->edge);
#if GDISP_NEED_CONVEX_POLYGON
gdispGFillConvexPoly(gw->g.display, gw->g.x+iwidth+((LST_SCROLLWIDTH-LST_ARROW_SZ)/2+2), gw->g.y+(LST_ARROW_SZ/2+1), upArrow, 3, ps->fill);
gdispGFillConvexPoly(gw->g.display, gw->g.x+iwidth+((LST_SCROLLWIDTH-LST_ARROW_SZ)/2+2), gw->g.y+gw->g.height-(LST_ARROW_SZ+LST_ARROW_SZ/2+1), downArrow, 3, ps->fill);
#else
#warning "GWIN: Lists display better when GDISP_NEED_CONVEX_POLYGON is turned on"
gdispGFillArea(gw->g.display, gw->g.x+iwidth+((LST_SCROLLWIDTH-LST_ARROW_SZ)/2+2), gw->g.y+(LST_ARROW_SZ/2+1), LST_ARROW_SZ, LST_ARROW_SZ, ps->fill);
gdispGFillArea(gw->g.display, gw->g.x+iwidth+((LST_SCROLLWIDTH-LST_ARROW_SZ)/2+2), gw->g.y+gw->g.height-(LST_ARROW_SZ+LST_ARROW_SZ/2+1), LST_ARROW_SZ, LST_ARROW_SZ, ps->fill);
#endif
} else
iwidth = gw->g.width - 2;
#if GWIN_NEED_LIST_IMAGES
if ((gw->g.flags & GLIST_FLG_HASIMAGES)) {
x += iheight;
iwidth -= iheight;
}
#endif
// Find the top item
for (qi = gfxQueueASyncPeek(&gw2obj->list_head), i = iheight - 1; i < gw2obj->top && qi; qi = gfxQueueASyncNext(qi), i+=iheight);
// the list frame
gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, ps->edge);
// Set the clipping region so we do not override the frame.
#if GDISP_NEED_CLIP
gdispGSetClip(gw->g.display, gw->g.x+1, gw->g.y+1, gw->g.width-2, gw->g.height-2);
#endif
// Draw until we run out of room or items
for (y = 1-(gw2obj->top%iheight); y < gw->g.height-2 && qi; qi = gfxQueueASyncNext(qi), y += iheight) {
fill = (qi2li->flags & GLIST_FLG_SELECTED) ? ps->fill : gw->pstyle->background;
gdispGFillArea(gw->g.display, gw->g.x+1, gw->g.y+y, iwidth, iheight, fill);
#if GWIN_NEED_LIST_IMAGES
if ((gw->g.flags & GLIST_FLG_HASIMAGES)) {
// Clear the image area
if (qi2li->pimg && gdispImageIsOpen(qi2li->pimg)) {
// Calculate which image
sy = (qi2li->flags & GLIST_FLG_SELECTED) ? 0 : (iheight-LST_VERT_PAD);
if (!(gw->g.flags & GWIN_FLG_SYSENABLED))
sy += 2*(iheight-LST_VERT_PAD);
while (sy > qi2li->pimg->height)
sy -= iheight-LST_VERT_PAD;
// Draw the image
gdispImageSetBgColor(qi2li->pimg, fill);
gdispGImageDraw(gw->g.display, qi2li->pimg, gw->g.x+1, gw->g.y+y, iheight-LST_VERT_PAD, iheight-LST_VERT_PAD, 0, sy);
}
}
#endif
gdispGFillStringBox(gw->g.display, gw->g.x+x+LST_HORIZ_PAD, gw->g.y+y, iwidth-LST_HORIZ_PAD, iheight, qi2li->text, gw->g.font, ps->text, fill, justifyLeft);
}
// Fill any remaining item space
if (y < gw->g.height-1)
gdispGFillArea(gw->g.display, gw->g.x+1, gw->g.y+y, iwidth, gw->g.height-1-y, gw->pstyle->background);
}
