void gwinRedrawDisplay(GDisplay *g, bool_t preserve) {
GHandle gh;
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
// Skip if it is for a different display
if (g && gh->display != g)
continue;
#if GWIN_NEED_CONTAINERS
// Skip if it is not a top level window (parents internally take care of their children)
if (gh->parent)
continue;
#endif
// Only visible windows are to be redrawn
if (!(gh->flags & GWIN_FLG_SYSVISIBLE))
continue;
if (!preserve)
gh->flags |= GWIN_FLG_BGREDRAW;
_gwinUpdate(gh);
}
}
// These two sub-functions set/clear system enable recursively.
void gwinSetEnabled(GHandle gh, bool_t enabled) {
if (enabled) {
// Mark us as enabled
gh->flags |= GWIN_FLG_ENABLED;
// Do we change our real enabled state
if (!(gh->flags & GWIN_FLG_SYSENABLED) && (!gh->parent || (gh->parent->flags & GWIN_FLG_SYSENABLED))) {
// Check each window's enabled state is consistent with its parents
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if ((gh->flags & (GWIN_FLG_SYSENABLED|GWIN_FLG_ENABLED)) == GWIN_FLG_ENABLED && (!gh->parent || (gh->parent->flags & GWIN_FLG_SYSENABLED))) {
gh->flags |= GWIN_FLG_SYSENABLED; // Fix it
_gwinUpdate(gh);
}
}
}
} else {
gh->flags &= ~GWIN_FLG_ENABLED;
// Do we need to change our real enabled state
if ((gh->flags & GWIN_FLG_SYSENABLED)) {
// Check each window's visibility is consistent with its parents
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if ((gh->flags & GWIN_FLG_SYSENABLED) && (!(gh->flags & GWIN_FLG_ENABLED) || (gh->parent && !(gh->parent->flags & GWIN_FLG_SYSENABLED)))) {
gh->flags &= ~GWIN_FLG_SYSENABLED; // Fix it
_gwinUpdate(gh);
}
}
}
}
}
void _gwinRippleVisibility(void) {
GHandle gh;
// Check each window's visibility is consistent with its parents
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
switch(gh->flags & (GWIN_FLG_SYSVISIBLE|GWIN_FLG_VISIBLE)) {
case GWIN_FLG_VISIBLE:
if (!gh->parent || (gh->parent->flags & GWIN_FLG_SYSVISIBLE)) {
// We have been made visible
gh->flags |= (GWIN_FLG_SYSVISIBLE|GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW);
RedrawPending |= DOREDRAW_VISIBLES;
}
break;
case (GWIN_FLG_VISIBLE|GWIN_FLG_SYSVISIBLE):
if (!gh->parent || (gh->parent->flags & GWIN_FLG_SYSVISIBLE))
break;
// Parent has been made invisible
gh->flags &= ~GWIN_FLG_SYSVISIBLE;
break;
case GWIN_FLG_SYSVISIBLE:
// We have been made invisible
gh->flags &= ~GWIN_FLG_SYSVISIBLE;
if (!gh->parent || (gh->parent->flags & GWIN_FLG_SYSVISIBLE)) {
// The parent is visible so we must clear the area we took
gh->flags |= (GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW);
RedrawPending |= DOREDRAW_INVISIBLES;
}
break;
}
}
}
GHandle gwinRadioGetActive(uint16_t group) {
GHandle gh;
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if (gh->vmt == (gwinVMT *)&radioVMT && ((GRadioObject *)gh)->group == group && (gh->flags & GRADIO_FLG_PRESSED))
return gh;
}
return 0;
}
static GHandle FindDialUser(uint16_t instance) {
GHandle gh;
uint16_t role;
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if (!(gh->flags & GWIN_FLG_WIDGET)) // check if it a widget
continue;
for(role = 0; role < wvmt->dialroles; role++) {
if (wvmt->DialGet(gw, role) == instance)
return gh;
}
}
return 0;
}
void _gwinMoveFocus(void) {
GHandle gh;
bool_t looponce;
// Find a new focus window (one may or may not exist).
looponce = FALSE;
for(gh = gwinGetNextWindow(_widgetInFocus); ; gh = gwinGetNextWindow(gh)) {
if (!gh && !looponce) {
looponce = TRUE;
gh = gwinGetNextWindow(0);
}
if (gwinSetFocus(gh))
break;
}
}
void gwinSetDefaultStyle(const GWidgetStyle *pstyle, bool_t updateAll) {
if (!pstyle)
pstyle = &BlackWidgetStyle;
if (updateAll) {
GHandle gh;
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if ((gh->flags & GWIN_FLG_WIDGET) && ((GWidgetObject *)gh)->pstyle == defaultStyle)
gwinSetStyle(gh, pstyle);
else
gwinRedraw(gh);
}
}
gwinSetDefaultBgColor(pstyle->background);
defaultStyle = pstyle;
}
void _gwinFixFocus(GHandle gh) {
GHandle oldFocus;
if ((gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_SYSENABLED|GWIN_FLG_VISIBLE|GWIN_FLG_SYSVISIBLE)) == (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_SYSENABLED|GWIN_FLG_VISIBLE|GWIN_FLG_SYSVISIBLE)
&& ((gwidgetVMT*)gh->vmt)->KeyboardEvent) {
// We are a candidate to be able to claim the focus
// Claim the focus if no-one else has
if (!_widgetInFocus)
_widgetInFocus = gh;
return;
}
// We have lost any right to the focus
// Did we have the focus
if (gh != _widgetInFocus)
return;
// We did - we need to find a new focus window
oldFocus = _widgetInFocus;
for(gh = gwinGetNextWindow(oldFocus); gh && gh != oldFocus; gh = gwinGetNextWindow(gh)) {
// Must be a visible enabled widget with a keyboard handler
if ((gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_SYSENABLED|GWIN_FLG_VISIBLE|GWIN_FLG_SYSVISIBLE)) == (GWIN_FLG_WIDGET|GWIN_FLG_ENABLED|GWIN_FLG_SYSENABLED|GWIN_FLG_VISIBLE|GWIN_FLG_SYSVISIBLE)
&& ((gwidgetVMT*)gh->vmt)->KeyboardEvent) {
// Grab the focus for the new window
_widgetInFocus = gh;
// This new window still needs to be marked for redraw (but don't actually do it yet).
gh->flags |= GWIN_FLG_NEEDREDRAW;
// RedrawPending |= DOREDRAW_VISIBLES; - FIX LATER
return;
}
}
// No-one has the right to the focus
_widgetInFocus = 0;
}
void _gwmDeinit(void)
{
GHandle gh;
while((gh = gwinGetNextWindow(0)))
gwinDestroy(gh);
_GWINwm->vmt->DeInit();
#if !GWIN_REDRAW_IMMEDIATE
gtimerDeinit(&RedrawTimer);
#endif
gfxQueueASyncDeinit(&_GWINList);
gfxSemDestroy(&gwinsem);
}
// Process an event
static void gwidgetEvent(void *param, GEvent *pe) {
#define pme ((GEventMouse *)pe)
#define pke ((GEventKeyboard *)pe)
#define pte ((GEventToggle *)pe)
#define pde ((GEventDial *)pe)
GHandle h;
GHandle gh;
#if GFX_USE_GINPUT && (GINPUT_NEED_TOGGLE || GINPUT_NEED_DIAL)
uint16_t role;
#endif
(void) param;
// Process various events
switch (pe->type) {
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
case GEVENT_MOUSE:
case GEVENT_TOUCH:
// Cycle through all windows
for (gh = 0, h = gwinGetNextWindow(0); h; h = gwinGetNextWindow(h)) {
// The window must be on this display and visible to be relevant
if (h->display != pme->display || !(h->flags & GWIN_FLG_SYSVISIBLE))
continue;
// Is the mouse currently captured by this widget?
if ((h->flags & (GWIN_FLG_WIDGET|GWIN_FLG_MOUSECAPTURE)) == (GWIN_FLG_WIDGET|GWIN_FLG_MOUSECAPTURE)) {
gh = h;
if ((pme->buttons & GMETA_MOUSE_UP)) {
gh->flags &= ~GWIN_FLG_MOUSECAPTURE;
if (wvmt->MouseUp)
wvmt->MouseUp(gw, pme->x - gh->x, pme->y - gh->y);
} else if (wvmt->MouseMove)
wvmt->MouseMove(gw, pme->x - gh->x, pme->y - gh->y);
// There is only ever one captured mouse. Prevent normal mouse processing if there is a captured mouse
gh = 0;
break;
}
// Save the highest z-order window that the mouse is over
if (pme->x >= h->x && pme->x < h->x + h->width && pme->y >= h->y && pme->y < h->y + h->height)
gh = h;
}
// Process any mouse down over the highest order window if it is an enabled widget
if (gh && (gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_SYSENABLED)) == (GWIN_FLG_WIDGET|GWIN_FLG_SYSENABLED)) {
if ((pme->buttons & GMETA_MOUSE_DOWN)) {
gh->flags |= GWIN_FLG_MOUSECAPTURE;
#if (GFX_USE_GINPUT && GINPUT_NEED_KEYBOARD) || GWIN_NEED_KEYBOARD
// We should try and capture the focus on this window.
// If we can't then we don't change the focus
gwinSetFocus(gh);
#endif
if (wvmt->MouseDown)
wvmt->MouseDown(gw, pme->x - gh->x, pme->y - gh->y);
}
}
break;
#endif
#if (GFX_USE_GINPUT && GINPUT_NEED_KEYBOARD) || GWIN_NEED_KEYBOARD
case GEVENT_KEYBOARD:
// If Tab key pressed then set focus to next widget
if (pke->bytecount == 1 && pke->c[0] == GKEY_TAB) {
if (!(pke->keystate & GKEYSTATE_KEYUP))
_gwinMoveFocus();
break;
}
// Otherwise, send keyboard events only to widget in focus
if (_widgetInFocus)
((gwidgetVMT*)_widgetInFocus->vmt)->KeyboardEvent((GWidgetObject*)_widgetInFocus, pke);
break;
#endif
#if GFX_USE_GINPUT && GINPUT_NEED_TOGGLE
case GEVENT_TOGGLE:
// Cycle through all windows
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
// check if it a widget that is enabled and visible
if ((gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_SYSENABLED|GWIN_FLG_SYSVISIBLE)) != (GWIN_FLG_WIDGET|GWIN_FLG_SYSENABLED|GWIN_FLG_SYSVISIBLE))
continue;
for(role = 0; role < wvmt->toggleroles; role++) {
if (wvmt->ToggleGet(gw, role) == pte->instance) {
if (pte->on) {
if (wvmt->ToggleOn)
wvmt->ToggleOn(gw, role);
} else {
if (wvmt->ToggleOff)
wvmt->ToggleOff(gw, role);
}
}
}
}
break;
#endif
#if GFX_USE_GINPUT && GINPUT_NEED_DIAL
case GEVENT_DIAL:
// Cycle through all windows
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
// check if it a widget that is enabled and visible
if ((gh->flags & (GWIN_FLG_WIDGET|GWIN_FLG_SYSENABLED|GWIN_FLG_SYSVISIBLE)) != (GWIN_FLG_WIDGET|GWIN_FLG_SYSENABLED|GWIN_FLG_SYSVISIBLE))
continue;
for(role = 0; role < wvmt->dialroles; role++) {
if (wvmt->DialGet(gw, role) == pte->instance) {
if (wvmt->DialMove)
wvmt->DialMove(gw, role, pde->value, pde->maxvalue);
}
}
}
break;
#endif
default:
break;
}
#undef pme
#undef pte
#undef pke
#undef pde
}
static void WM_Redraw(GHandle gh) {
#if GWIN_NEED_CONTAINERS
redo_redraw:
#endif
if ((gh->flags & GWIN_FLG_SYSVISIBLE)) {
if (gh->vmt->Redraw)
gh->vmt->Redraw(gh);
else if ((gh->flags & GWIN_FLG_BGREDRAW)) {
// We can't redraw but we want full coverage so just clear the area
gdispGFillArea(gh->display, gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
// Only do an after clear if this is not a parent reveal
if (!(gh->flags & GWIN_FLG_PARENTREVEAL) && gh->vmt->AfterClear)
gh->vmt->AfterClear(gh);
}
#if GWIN_NEED_CONTAINERS
// If this is container but not a parent reveal, mark any visible children for redraw
// We redraw our children here as we have overwritten them in redrawing the parent
// as GDISP/GWIN doesn't support complex clipping regions.
if ((gh->flags & (GWIN_FLG_CONTAINER|GWIN_FLG_PARENTREVEAL)) == GWIN_FLG_CONTAINER) {
// Container redraw is done
gh->flags &= ~(GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
for(gh = gwinGetFirstChild(gh); gh; gh = gwinGetSibling(gh))
_gwinUpdate(gh);
return;
}
#endif
} else {
if ((gh->flags & GWIN_FLG_BGREDRAW)) {
GHandle gx;
#if GWIN_NEED_CONTAINERS
if (gh->parent) {
// Child redraw is done
gh->flags &= ~(GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
// Get the parent to redraw the area
gh = gh->parent;
// The parent is already marked for redraw - don't do it now.
if ((gh->flags & GWIN_FLG_NEEDREDRAW))
return;
// Use the existing clipping region and redraw now
gh->flags |= (GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
goto redo_redraw;
}
#endif
// Clear the area to the background color
gdispGFillArea(gh->display, gh->x, gh->y, gh->width, gh->height, gwinGetDefaultBgColor());
// Now loop over all windows looking for overlaps. Redraw them if they overlap the newly exposed area.
for(gx = gwinGetNextWindow(0); gx; gx = gwinGetNextWindow(gx)) {
if ((gx->flags & GWIN_FLG_SYSVISIBLE)
&& gx->display == gh->display
&& gx->x < gh->x+gh->width && gx->y < gh->y+gh->height && gx->x+gx->width >= gh->x && gx->y+gx->height >= gh->y) {
if (gx->vmt->Redraw)
gx->vmt->Redraw(gx);
else
// We can't redraw this window but we want full coverage so just clear the area
gdispGFillArea(gx->display, gx->x, gx->y, gx->width, gx->height, gx->bgcolor);
}
}
}
}
// Redraw is done
gh->flags &= ~(GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
}
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);
}
