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Fix window manager redraw problem with multi-tasking and large images

release/v2.9
inmarket 2017-01-09 10:22:55 +10:00
parent a171f917d3
commit 28f4ac22ce
1 changed files with 10 additions and 11 deletions
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21
src/gwin/gwin_wm.c
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@ -746,18 +746,23 @@ static void WM_Delete(GHandle gh) {
} }
static void WM_Redraw(GHandle gh) { static void WM_Redraw(GHandle gh) {
uint32_t flags;
flags = gh->flags;
gh->flags &= ~(GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
#if GWIN_NEED_CONTAINERS #if GWIN_NEED_CONTAINERS
redo_redraw: redo_redraw:
#endif #endif
if ((gh->flags & GWIN_FLG_SYSVISIBLE)) { if ((flags & GWIN_FLG_SYSVISIBLE)) {
if (gh->vmt->Redraw) if (gh->vmt->Redraw)
gh->vmt->Redraw(gh); gh->vmt->Redraw(gh);
else if ((gh->flags & GWIN_FLG_BGREDRAW)) { else if ((flags & GWIN_FLG_BGREDRAW)) {
// We can't redraw but we want full coverage so just clear the area // 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); 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 // Only do an after clear if this is not a parent reveal
if (!(gh->flags & GWIN_FLG_PARENTREVEAL) && gh->vmt->AfterClear) if (!(flags & GWIN_FLG_PARENTREVEAL) && gh->vmt->AfterClear)
gh->vmt->AfterClear(gh); gh->vmt->AfterClear(gh);
} }
@ -765,10 +770,9 @@ static void WM_Redraw(GHandle gh) {
// If this is container but not a parent reveal, mark any visible children for redraw // 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 // We redraw our children here as we have overwritten them in redrawing the parent
// as GDISP/GWIN doesn't support complex clipping regions. // as GDISP/GWIN doesn't support complex clipping regions.
if ((gh->flags & (GWIN_FLG_CONTAINER|GWIN_FLG_PARENTREVEAL)) == GWIN_FLG_CONTAINER) { if ((flags & (GWIN_FLG_CONTAINER|GWIN_FLG_PARENTREVEAL)) == GWIN_FLG_CONTAINER) {
// Container redraw is done // Container redraw is done
gh->flags &= ~(GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
for(gh = gwinGetFirstChild(gh); gh; gh = gwinGetSibling(gh)) for(gh = gwinGetFirstChild(gh); gh; gh = gwinGetSibling(gh))
_gwinUpdate(gh); _gwinUpdate(gh);
@ -777,14 +781,12 @@ static void WM_Redraw(GHandle gh) {
#endif #endif
} else { } else {
if ((gh->flags & GWIN_FLG_BGREDRAW)) { if ((flags & GWIN_FLG_BGREDRAW)) {
GHandle gx; GHandle gx;
#if GWIN_NEED_CONTAINERS #if GWIN_NEED_CONTAINERS
if (gh->parent) { if (gh->parent) {
// Child redraw is done // Child redraw is done
gh->flags &= ~(GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
// Get the parent to redraw the area // Get the parent to redraw the area
gh = gh->parent; gh = gh->parent;
@ -817,9 +819,6 @@ static void WM_Redraw(GHandle gh) {
} }
} }
// Redraw is done
gh->flags &= ~(GWIN_FLG_NEEDREDRAW|GWIN_FLG_BGREDRAW|GWIN_FLG_PARENTREVEAL);
} }
static void WM_Size(GHandle gh, coord_t w, coord_t h) { static void WM_Size(GHandle gh, coord_t w, coord_t h) {