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implement on_changed_rgn and on_moved_win

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Vincent Wei
2020-02-06 18:19:42 +08:00
parent 9276b695ac
commit 0c0d93ac3f
1 changed files with 75 additions and 2 deletions
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src/kernel/compsor-fallback.c
+75 -2
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@@ -805,7 +805,8 @@ static void on_hiding_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
}
}
static void on_raised_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
/* for both on_raised_win and on_changed_ct */
static void refresh_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
{
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn = NULL;
@@ -834,6 +835,75 @@ static void on_raised_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
composite_on_dirty_region (ctxt, zidx);
}
static void on_moved_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx,
const RECT* rc_org)
{
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn = NULL;
_DBG_PRINTF("called\n");
// the fallback compositor only manages znodes on the topmost layer.
if (layer != mgTopmostLayer)
return;
znode_hdr = ServerGetWinZNodeHeader (layer, zidx, (void**)&rgn, FALSE);
if (znode_hdr == NULL) {
_WRN_PRINTF ("failed to get znode header for zidx (%d) on layer (%s)\n",
zidx, layer->name);
return;
}
if (!(znode_hdr->flags & ZNIF_VISIBLE)) {
_WRN_PRINTF ("the znode (%d) on layer (%s) is invisible\n",
zidx, layer->name);
return;
}
assert (rgn);
/* calculate the dirty region */
CopyRegion (&ctxt->dirty_rgn, rgn);
OffsetRegion (&ctxt->dirty_rgn,
rc_org->left - znode_hdr->rc.left,
rc_org->top - znode_hdr->rc.top);
UnionRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, rgn);
if (IntersectClipRect (&ctxt->dirty_rgn, &ctxt->rc_screen))
composite_on_dirty_region (ctxt, zidx);
}
static void on_changed_rgn (CompositorCtxt* ctxt, MG_Layer* layer,
int zidx, const RECT* rc_org_bound)
{
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn = NULL;
_DBG_PRINTF("called\n");
/* the fallback compositor only manages znodes on the topmost layer. */
if (layer != mgTopmostLayer)
return;
/* update the region of the current window znode. */
znode_hdr = ServerGetWinZNodeHeader (layer, zidx, (void**)&rgn, FALSE);
if (znode_hdr) {
if (znode_hdr->flags & ZNIF_VISIBLE) {
assert (rgn);
// re-generate the region
ServerGetWinZNodeRegion (layer, zidx,
RGN_OP_SET | RGN_OP_FLAG_ABS, rgn);
ServerSetWinZNodePrivateData (layer, zidx, rgn);
}
}
else {
_WRN_PRINTF ("failed to get znode header for zidx (%d) on layer (%s)\n",
zidx, layer->name);
}
/* calculate the dirty region */
SetClipRgn (&ctxt->dirty_rgn, rc_org_bound);
UnionRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, rgn);
if (IntersectClipRect (&ctxt->dirty_rgn, &ctxt->rc_screen))
composite_on_dirty_region (ctxt, zidx);
}
CompositorOps __mg_fallback_compositor = {
initialize: initialize,
terminate: terminate,
@@ -849,7 +919,10 @@ CompositorOps __mg_fallback_compositor = {
on_closed_menu: on_closed_menu,
on_showing_win: on_showing_win,
on_hiding_win: on_hiding_win,
on_raised_win: on_raised_win,
on_raised_win: refresh_win,
on_changed_ct: refresh_win,
on_changed_rgn: on_changed_rgn,
on_moved_win: on_moved_win,
};
#endif /* defined(_MGRM_PROCESSES) && defined(_MGSCHEMA_COMPOSITING) */