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Use ComponentRc during item tree traversal

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This is in preparation for allowing the run-time / items to clone VRc's
of the component.

ComponentVTable functions like visit_children_item contine to take a
ComponentRefPin as "self" parameter type, as a VRc would not be
supported by rust right now. That means the implementation then uses
self_weak to obtain a strong self-reference.
This commit is contained in:
Simon Hausmann 2020-11-12 15:49:02 +01:00
parent 54cc66c400
commit 78fae068dd
9 changed files with 72 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

18
api/sixtyfps-cpp/include/sixtyfps.h
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@ -62,6 +62,7 @@ using ComponentRef = vtable::VRef<private_api::ComponentVTable>;
using ItemRef = vtable::VRef<private_api::ItemVTable>;
using ItemVisitorRefMut = vtable::VRefMut<cbindgen_private::ItemVisitorVTable>;
}
using cbindgen_private::ComponentRc;
using cbindgen_private::EasingCurve;
using cbindgen_private::PropertyAnimation;
using cbindgen_private::Slice;
@ -174,7 +175,7 @@ using cbindgen_private::MouseEvent;
using cbindgen_private::sixtyfps_visit_item_tree;
namespace private_api {
template<typename GetDynamic>
inline InputEventResult process_input_event(ComponentRef component, int64_t &mouse_grabber,
inline InputEventResult process_input_event(const ComponentRc &component_rc, int64_t &mouse_grabber,
MouseEvent mouse_event, Slice<ItemTreeNode> tree,
GetDynamic get_dynamic, const ComponentWindow *window,
const ComponentRef *app_component)
@ -182,7 +183,8 @@ inline InputEventResult process_input_event(ComponentRef component, int64_t &mou
if (mouse_grabber != -1) {
auto item_index = mouse_grabber & 0xffffffff;
auto rep_index = mouse_grabber >> 32;
auto offset = cbindgen_private::sixtyfps_item_offset(component, tree, item_index);
auto offset =
cbindgen_private::sixtyfps_item_offset(component_rc.borrow(), tree, item_index);
mouse_event.pos = { mouse_event.pos.x - offset.x, mouse_event.pos.y - offset.y };
const auto &item_node = tree.ptr[item_index];
InputEventResult result = InputEventResult::EventIgnored;
@ -191,7 +193,7 @@ inline InputEventResult process_input_event(ComponentRef component, int64_t &mou
result = item_node.item.item.vtable->input_event(
{
item_node.item.item.vtable,
reinterpret_cast<char *>(component.instance)
reinterpret_cast<char *>(component_rc.borrow().instance)
+ item_node.item.item.offset,
},
mouse_event, window, *app_component);
@ -207,7 +209,7 @@ inline InputEventResult process_input_event(ComponentRef component, int64_t &mou
return result;
} else {
return cbindgen_private::sixtyfps_process_ungrabbed_mouse_event(
component, mouse_event, window, *app_component, &mouse_grabber);
&component_rc, mouse_event, window, *app_component, &mouse_grabber);
}
}
template<typename GetDynamic>
@ -238,14 +240,14 @@ inline KeyEventResult process_key_event(ComponentRef component, int64_t focus_it
}
template<typename GetDynamic>
inline FocusEventResult process_focus_event(ComponentRef component, int64_t &focus_item,
inline FocusEventResult process_focus_event(const ComponentRc &component_rc, int64_t &focus_item,
const FocusEvent *event, Slice<ItemTreeNode> tree,
GetDynamic get_dynamic, const ComponentWindow *window)
{
switch (event->tag) {
case FocusEvent::Tag::FocusIn:
return cbindgen_private::sixtyfps_locate_and_activate_focus_item(component, event, window,
&focus_item);
return cbindgen_private::sixtyfps_locate_and_activate_focus_item(&component_rc, event,
window, &focus_item);
case FocusEvent::Tag::FocusOut:
[[fallthrough]];
case FocusEvent::Tag::WindowReceivedFocus:
@ -260,7 +262,7 @@ inline FocusEventResult process_focus_event(ComponentRef component, int64_t &foc
item_node.item.item.vtable->focus_event(
{
item_node.item.item.vtable,
reinterpret_cast<char *>(component.instance)
reinterpret_cast<char *>(component_rc.borrow().instance)
+ item_node.item.item.offset,
},
event, window);