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| author | David Robillard <d@drobilla.net> | 2013-12-18 19:13:04 +0000 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2013-12-18 19:13:04 +0000 |
| commit | 5b34aff56759854ee18dbd901264ee445a232703 (patch) | |
| tree | b8f76c26b0deb0064df35fc75461e639eabc9179 /src/canvas-base.c | |
| parent | b3bc9a7a3688aeac53d75befae2a6552d8bc5846 (diff) | |
| download | ganv-5b34aff56759854ee18dbd901264ee445a232703.tar.gz ganv-5b34aff56759854ee18dbd901264ee445a232703.tar.bz2 ganv-5b34aff56759854ee18dbd901264ee445a232703.zip | |
Futher FDGL performance improvements.
git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@5180 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/canvas-base.c')
| -rw-r--r-- | src/canvas-base.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/canvas-base.c b/src/canvas-base.c index a56da8e..b437581 100644 --- a/src/canvas-base.c +++ b/src/canvas-base.c @@ -427,11 +427,25 @@ ganv_item_move(GanvItem* item, double dx, double dy) g_return_if_fail(item != NULL); g_return_if_fail(GANV_IS_ITEM(item)); + const double old_x = item->x; + const double old_y = item->y; + item->x += dx; item->y += dy; - ganv_item_request_update(item); - item->canvas->need_repick = TRUE; + static const double MIN_COORD = 4.0; + if (item->x < MIN_COORD) { + item->x = MIN_COORD; + } + if (item->y < MIN_COORD) { + item->y = MIN_COORD; + } + + if (lrint(old_x) != lrint(item->x) || + lrint(old_y) != lrint(item->y)) { + ganv_item_request_update(item); + item->canvas->need_repick = TRUE; + } } /** @@ -750,13 +764,11 @@ ganv_item_get_bounds(GanvItem* item, double* x1, double* y1, double* x2, double* void ganv_item_request_update(GanvItem* item) { - /* FIXME: For some reason, if this short-circuit is enabled, the canvas - stops updating items entirely when connected modules are removed. */ - /* + /* Note: At some point, if this short-circuit was enabled, the canvas stopped + updating items entirely when connected modules are removed. */ if (item->object.flags & GANV_ITEM_NEED_UPDATE) { return; } - */ if (!item->canvas) { /* Item is being / has been destroyed, ignore */ |