Docking: Fixed an issue where DockBuilderSplitNode() wouldn't update the CentralNode shortcut immediately, which was problematic for immediately following DockBuilderDockWindow(). (#2109)

This commit is contained in:
omar 2019-04-19 20:28:43 +02:00
parent 03b64defa5
commit 20f0cb0281

View File

@ -11421,9 +11421,11 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
// Central node property needs to be moved to a leaf node, pick the last focused one.
// FIXME-DOCKING: If we had to transfer other flags here, what would the policy be?
ImGuiDockNode* last_focused_node = DockContextFindNodeByID(ctx, payload_node->LastFocusedNodeID);
IM_ASSERT(last_focused_node != NULL && DockNodeGetRootNode(last_focused_node) == DockNodeGetRootNode(payload_node));
ImGuiDockNode* last_focused_root_node = DockNodeGetRootNode(last_focused_node);
IM_ASSERT(last_focused_node != NULL && last_focused_root_node == DockNodeGetRootNode(payload_node));
last_focused_node->LocalFlags |= ImGuiDockNodeFlags_CentralNode;
node->LocalFlags &= ~ImGuiDockNodeFlags_CentralNode;
last_focused_root_node->CentralNode = last_focused_node;
}
IM_ASSERT(node->Windows.Size == 0);
@ -11752,17 +11754,18 @@ static void ImGui::DockNodeHideHostWindow(ImGuiDockNode* node)
DockNodeRemoveTabBar(node);
}
struct ImGuiDockNodeUpdateScanResults
// Search function called once by root node in DockNodeUpdate()
struct ImGuiDockNodeFindInfoResults
{
ImGuiDockNode* CentralNode;
ImGuiDockNode* FirstNodeWithWindows;
int CountNodesWithWindows;
//ImGuiWindowClass WindowClassForMerges;
ImGuiDockNodeUpdateScanResults() { CentralNode = FirstNodeWithWindows = NULL; CountNodesWithWindows = 0; }
ImGuiDockNodeFindInfoResults() { CentralNode = FirstNodeWithWindows = NULL; CountNodesWithWindows = 0; }
};
static void DockNodeUpdateScanRec(ImGuiDockNode* node, ImGuiDockNodeUpdateScanResults* results)
static void DockNodeFindInfo(ImGuiDockNode* node, ImGuiDockNodeFindInfoResults* results)
{
if (node->Windows.Size > 0)
{
@ -11779,9 +11782,9 @@ static void DockNodeUpdateScanRec(ImGuiDockNode* node, ImGuiDockNodeUpdateScanRe
if (results->CountNodesWithWindows > 1 && results->CentralNode != NULL)
return;
if (node->ChildNodes[0])
DockNodeUpdateScanRec(node->ChildNodes[0], results);
DockNodeFindInfo(node->ChildNodes[0], results);
if (node->ChildNodes[1])
DockNodeUpdateScanRec(node->ChildNodes[1], results);
DockNodeFindInfo(node->ChildNodes[1], results);
}
// - Remove inactive windows/nodes.
@ -11880,8 +11883,8 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
// FIXME-DOCK: Merge this scan into the one above.
// - Setup central node pointers
// - Find if there's only a single visible window in the hierarchy (in which case we need to display a regular title bar -> FIXME-DOCK: that last part is not done yet!)
ImGuiDockNodeUpdateScanResults results;
DockNodeUpdateScanRec(node, &results);
ImGuiDockNodeFindInfoResults results;
DockNodeFindInfo(node, &results);
node->CentralNode = results.CentralNode;
node->OnlyNodeWithWindows = (results.CountNodesWithWindows == 1) ? results.FirstNodeWithWindows : NULL;
if (node->LastFocusedNodeID == 0 && results.FirstNodeWithWindows != NULL)
@ -12754,11 +12757,13 @@ void ImGui::DockNodeTreeSplit(ImGuiContext* ctx, ImGuiDockNode* parent_node, ImG
DockNodeMoveWindows(parent_node->ChildNodes[split_inheritor_child_idx], parent_node);
DockNodeTreeUpdatePosSize(parent_node, parent_node->Pos, parent_node->Size);
// Flags transfer
// Flags transfer (e.g. this is where we transfer the ImGuiDockNodeFlags_CentralNode property)
child_0->SharedFlags = parent_node->SharedFlags & ImGuiDockNodeFlags_SharedFlagsInheritMask_;
child_1->SharedFlags = parent_node->SharedFlags & ImGuiDockNodeFlags_SharedFlagsInheritMask_;
child_inheritor->LocalFlags = parent_node->LocalFlags & ImGuiDockNodeFlags_LocalFlagsTransferMask_;
parent_node->LocalFlags &= ~ImGuiDockNodeFlags_LocalFlagsTransferMask_;
if (child_inheritor->IsCentralNode())
DockNodeGetRootNode(parent_node)->CentralNode = child_inheritor;
}
void ImGui::DockNodeTreeMerge(ImGuiContext* ctx, ImGuiDockNode* parent_node, ImGuiDockNode* merge_lead_child)
@ -13062,10 +13067,15 @@ void ImGui::SetWindowDock(ImGuiWindow* window, ImGuiID dock_id, ImGuiCond cond)
// Policy: Find central node or latest focused node. We first move back to our root node.
new_node = DockNodeGetRootNode(new_node);
if (new_node->CentralNode)
{
IM_ASSERT(new_node->CentralNode->IsCentralNode());
dock_id = new_node->CentralNode->ID;
}
else
{
dock_id = new_node->LastFocusedNodeID;
}
}
if (window->DockId == dock_id)
return;
@ -13340,6 +13350,7 @@ void ImGui::DockBuilderRemoveNodeChildNodes(ImGuiID root_id)
else if (has_central_node)
{
root_node->LocalFlags |= ImGuiDockNodeFlags_CentralNode;
root_node->CentralNode = root_node;
}
}