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. // 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? // FIXME-DOCKING: If we had to transfer other flags here, what would the policy be?
ImGuiDockNode* last_focused_node = DockContextFindNodeByID(ctx, payload_node->LastFocusedNodeID); 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; last_focused_node->LocalFlags |= ImGuiDockNodeFlags_CentralNode;
node->LocalFlags &= ~ImGuiDockNodeFlags_CentralNode; node->LocalFlags &= ~ImGuiDockNodeFlags_CentralNode;
last_focused_root_node->CentralNode = last_focused_node;
} }
IM_ASSERT(node->Windows.Size == 0); IM_ASSERT(node->Windows.Size == 0);
@ -11752,17 +11754,18 @@ static void ImGui::DockNodeHideHostWindow(ImGuiDockNode* node)
DockNodeRemoveTabBar(node); DockNodeRemoveTabBar(node);
} }
struct ImGuiDockNodeUpdateScanResults // Search function called once by root node in DockNodeUpdate()
struct ImGuiDockNodeFindInfoResults
{ {
ImGuiDockNode* CentralNode; ImGuiDockNode* CentralNode;
ImGuiDockNode* FirstNodeWithWindows; ImGuiDockNode* FirstNodeWithWindows;
int CountNodesWithWindows; int CountNodesWithWindows;
//ImGuiWindowClass WindowClassForMerges; //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) if (node->Windows.Size > 0)
{ {
@ -11779,9 +11782,9 @@ static void DockNodeUpdateScanRec(ImGuiDockNode* node, ImGuiDockNodeUpdateScanRe
if (results->CountNodesWithWindows > 1 && results->CentralNode != NULL) if (results->CountNodesWithWindows > 1 && results->CentralNode != NULL)
return; return;
if (node->ChildNodes[0]) if (node->ChildNodes[0])
DockNodeUpdateScanRec(node->ChildNodes[0], results); DockNodeFindInfo(node->ChildNodes[0], results);
if (node->ChildNodes[1]) if (node->ChildNodes[1])
DockNodeUpdateScanRec(node->ChildNodes[1], results); DockNodeFindInfo(node->ChildNodes[1], results);
} }
// - Remove inactive windows/nodes. // - Remove inactive windows/nodes.
@ -11880,8 +11883,8 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
// FIXME-DOCK: Merge this scan into the one above. // FIXME-DOCK: Merge this scan into the one above.
// - Setup central node pointers // - 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!) // - 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; ImGuiDockNodeFindInfoResults results;
DockNodeUpdateScanRec(node, &results); DockNodeFindInfo(node, &results);
node->CentralNode = results.CentralNode; node->CentralNode = results.CentralNode;
node->OnlyNodeWithWindows = (results.CountNodesWithWindows == 1) ? results.FirstNodeWithWindows : NULL; node->OnlyNodeWithWindows = (results.CountNodesWithWindows == 1) ? results.FirstNodeWithWindows : NULL;
if (node->LastFocusedNodeID == 0 && 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); DockNodeMoveWindows(parent_node->ChildNodes[split_inheritor_child_idx], parent_node);
DockNodeTreeUpdatePosSize(parent_node, parent_node->Pos, parent_node->Size); 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_0->SharedFlags = parent_node->SharedFlags & ImGuiDockNodeFlags_SharedFlagsInheritMask_;
child_1->SharedFlags = parent_node->SharedFlags & ImGuiDockNodeFlags_SharedFlagsInheritMask_; child_1->SharedFlags = parent_node->SharedFlags & ImGuiDockNodeFlags_SharedFlagsInheritMask_;
child_inheritor->LocalFlags = parent_node->LocalFlags & ImGuiDockNodeFlags_LocalFlagsTransferMask_; child_inheritor->LocalFlags = parent_node->LocalFlags & ImGuiDockNodeFlags_LocalFlagsTransferMask_;
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) 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. // Policy: Find central node or latest focused node. We first move back to our root node.
new_node = DockNodeGetRootNode(new_node); new_node = DockNodeGetRootNode(new_node);
if (new_node->CentralNode) if (new_node->CentralNode)
{
IM_ASSERT(new_node->CentralNode->IsCentralNode());
dock_id = new_node->CentralNode->ID; dock_id = new_node->CentralNode->ID;
}
else else
{
dock_id = new_node->LastFocusedNodeID; dock_id = new_node->LastFocusedNodeID;
} }
}
if (window->DockId == dock_id) if (window->DockId == dock_id)
return; return;
@ -13340,6 +13350,7 @@ void ImGui::DockBuilderRemoveNodeChildNodes(ImGuiID root_id)
else if (has_central_node) else if (has_central_node)
{ {
root_node->LocalFlags |= ImGuiDockNodeFlags_CentralNode; root_node->LocalFlags |= ImGuiDockNodeFlags_CentralNode;
root_node->CentralNode = root_node;
} }
} }