mirror of
https://github.com/Drezil/imgui.git
synced 2024-11-15 09:27:00 +00:00
Docking: Added DockBuilderRemoveNode() + various tweaks. Fixed dragging/undocking dock node from CollapseButton.
This commit is contained in:
omar
parent
4021776d0f
commit
9960ccddb2
223
imgui.cpp
223
imgui.cpp
@ -9874,94 +9874,6 @@ static int IMGUI_CDECL DockNodeComparerDepthMostFirst(const void* lhs, const voi
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return ImGui::DockNodeGetDepth(b) - ImGui::DockNodeGetDepth(a);
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}
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void ImGui::DockBuilderRemoveNodeChildNodes(ImGuiContext* ctx, ImGuiID root_id)
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{
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ImGuiDockContext* dc = ctx->DockContext;
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ImGuiDockNode* root_node = root_id ? DockContextFindNodeByID(ctx, root_id) : NULL;
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if (root_id && root_node == NULL)
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return;
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bool has_document_root = false;
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// Process active windows
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ImVector<ImGuiDockNode*> nodes_to_remove;
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for (int n = 0; n < dc->Nodes.Data.Size; n++)
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if (ImGuiDockNode* node = (ImGuiDockNode*)dc->Nodes.Data[n].val_p)
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{
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bool want_removal = (root_id == 0) || (node->ID != root_id && DockNodeGetRootNode(node)->ID == root_id);
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if (want_removal)
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{
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if (node->IsDocumentRoot)
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has_document_root = true;
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if (root_id != 0)
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DockContextQueueNotifyRemovedNode(ctx, node);
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if (root_node)
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DockNodeMoveWindows(root_node, node);
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nodes_to_remove.push_back(node);
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}
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}
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// Apply to settings
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for (int settings_n = 0; settings_n < ctx->SettingsWindows.Size; settings_n++)
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if (ImGuiID window_settings_dock_id = ctx->SettingsWindows[settings_n].DockId)
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for (int n = 0; n < nodes_to_remove.Size; n++)
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if (nodes_to_remove[n]->ID == window_settings_dock_id)
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{
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ctx->SettingsWindows[settings_n].DockId = root_id;
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break;
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}
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// Not really efficient, but easier to destroy a whole hierarchy considering DockContextRemoveNode is attempting to merge nodes
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if (nodes_to_remove.Size > 1)
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ImQsort(nodes_to_remove.Data, nodes_to_remove.Size, sizeof(ImGuiDockNode*), DockNodeComparerDepthMostFirst);
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for (int n = 0; n < nodes_to_remove.Size; n++)
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DockContextRemoveNode(ctx, nodes_to_remove[n], false);
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if (root_id == 0)
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{
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dc->Nodes.Clear();
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dc->Requests.clear();
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}
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else if (has_document_root)
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{
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root_node->IsDocumentRoot = true;
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}
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}
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void ImGui::DockBuilderRemoveNodeDockedWindows(ImGuiContext* ctx, ImGuiID root_id, bool clear_persistent_docking_references)
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{
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// Clear references in settings
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ImGuiContext& g = *ctx;
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if (clear_persistent_docking_references)
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{
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for (int n = 0; n < g.SettingsWindows.Size; n++)
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{
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ImGuiWindowSettings* settings = &g.SettingsWindows[n];
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bool want_removal = (root_id == 0) || (settings->DockId == root_id);
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if (!want_removal && settings->DockId != 0)
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if (ImGuiDockNode* node = DockContextFindNodeByID(ctx, settings->DockId))
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if (DockNodeGetRootNode(node)->ID == root_id)
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want_removal = true;
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if (want_removal)
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settings->DockId = 0;
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}
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}
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// Clear references in windows
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for (int n = 0; n < g.Windows.Size; n++)
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{
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ImGuiWindow* window = g.Windows[n];
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bool want_removal = (root_id == 0) || (window->DockNode && DockNodeGetRootNode(window->DockNode)->ID == root_id) || (window->DockNodeAsHost && window->DockNodeAsHost->ID == root_id);
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if (want_removal)
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{
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ImGuiID backup_dock_id = window->DockId;
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DockContextProcessUndockWindow(ctx, window);
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if (!clear_persistent_docking_references)
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window->DockId = backup_dock_id;
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}
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}
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}
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static void ImGui::DockContextGcUnusedSettingsNodes(ImGuiContext* ctx)
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{
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ImGuiContext& g = *ctx;
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@ -11488,22 +11400,21 @@ ImGuiDockNode* ImGui::DockNodeTreeFindNodeByPos(ImGuiDockNode* node, ImVec2 pos)
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{
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if (!node->IsVisible)
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return NULL;
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if (node->IsSplitNode())
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{
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if (ImGuiDockNode* hovered_node = DockNodeTreeFindNodeByPos(node->ChildNodes[0], pos))
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return hovered_node;
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if (ImGuiDockNode* hovered_node = DockNodeTreeFindNodeByPos(node->ChildNodes[1], pos))
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return hovered_node;
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}
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else
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{
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ImGuiContext& g = *GImGui;
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const float dock_spacing = g.Style.ItemInnerSpacing.x;
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ImRect r(node->Pos, node->Pos + node->Size);
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r.Expand(dock_spacing * 0.5f);
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if (r.Contains(pos))
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return node;
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}
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ImGuiContext& g = *GImGui;
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const float dock_spacing = g.Style.ItemInnerSpacing.x;
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ImRect r(node->Pos, node->Pos + node->Size);
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r.Expand(dock_spacing * 0.5f);
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bool inside = r.Contains(pos);
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if (!inside)
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return NULL;
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if (!node->IsSplitNode())
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return node;
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if (ImGuiDockNode* hovered_node = DockNodeTreeFindNodeByPos(node->ChildNodes[0], pos))
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return hovered_node;
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if (ImGuiDockNode* hovered_node = DockNodeTreeFindNodeByPos(node->ChildNodes[1], pos))
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return hovered_node;
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return NULL;
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}
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@ -11601,6 +11512,7 @@ void ImGui::DockSpace(ImGuiID id, const ImVec2& size_arg, ImGuiDockNodeFlags doc
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// Docking: Builder Functions
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//-----------------------------------------------------------------------------
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// Very early end-user API to manipulate dock nodes.
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// It is expected that those functions are all called _before_ the dockspace node submission.
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//-----------------------------------------------------------------------------
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void ImGui::DockBuilderDockWindow(ImGuiContext*, const char* window_name, ImGuiID node_id)
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@ -11621,8 +11533,7 @@ void ImGui::DockBuilderDockWindow(ImGuiContext*, const char* window_name, ImGuiI
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}
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}
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// Ensure a node is created
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void ImGui::DockBuilderCreateNode(ImGuiContext* ctx, ImGuiID id, ImVec2 ref_size, ImGuiDockNodeFlags flags)
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void ImGui::DockBuilderAddNode(ImGuiContext* ctx, ImGuiID id, ImVec2 ref_size, ImGuiDockNodeFlags flags)
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{
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DockSpace(id, ImVec2(0,0), flags | ImGuiDockNodeFlags_KeepAliveOnly);
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ImGuiDockNode* node = DockContextFindNodeByID(ctx, id);
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@ -11630,6 +11541,106 @@ void ImGui::DockBuilderCreateNode(ImGuiContext* ctx, ImGuiID id, ImVec2 ref_size
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node->LastFrameAlive = -1;
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}
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void ImGui::DockBuilderRemoveNode(ImGuiContext* ctx, ImGuiID node_id)
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{
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ImGuiDockNode* node = DockContextFindNodeByID(ctx, node_id);
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if (node == NULL)
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return;
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DockBuilderRemoveNodeDockedWindows(ctx, node_id, true);
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DockBuilderRemoveNodeChildNodes(ctx, node_id);
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if (node->IsDocumentRoot && node->ParentNode)
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node->ParentNode->IsDocumentRoot = true;
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DockContextRemoveNode(ctx, node, true);
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}
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void ImGui::DockBuilderRemoveNodeChildNodes(ImGuiContext* ctx, ImGuiID root_id)
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{
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ImGuiDockContext* dc = ctx->DockContext;
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ImGuiDockNode* root_node = root_id ? DockContextFindNodeByID(ctx, root_id) : NULL;
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if (root_id && root_node == NULL)
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return;
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bool has_document_root = false;
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// Process active windows
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ImVector<ImGuiDockNode*> nodes_to_remove;
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for (int n = 0; n < dc->Nodes.Data.Size; n++)
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if (ImGuiDockNode* node = (ImGuiDockNode*)dc->Nodes.Data[n].val_p)
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{
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bool want_removal = (root_id == 0) || (node->ID != root_id && DockNodeGetRootNode(node)->ID == root_id);
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if (want_removal)
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{
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if (node->IsDocumentRoot)
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has_document_root = true;
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if (root_id != 0)
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DockContextQueueNotifyRemovedNode(ctx, node);
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if (root_node)
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DockNodeMoveWindows(root_node, node);
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nodes_to_remove.push_back(node);
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}
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}
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// Apply to settings
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for (int settings_n = 0; settings_n < ctx->SettingsWindows.Size; settings_n++)
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if (ImGuiID window_settings_dock_id = ctx->SettingsWindows[settings_n].DockId)
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for (int n = 0; n < nodes_to_remove.Size; n++)
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if (nodes_to_remove[n]->ID == window_settings_dock_id)
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{
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ctx->SettingsWindows[settings_n].DockId = root_id;
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break;
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}
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// Not really efficient, but easier to destroy a whole hierarchy considering DockContextRemoveNode is attempting to merge nodes
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if (nodes_to_remove.Size > 1)
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ImQsort(nodes_to_remove.Data, nodes_to_remove.Size, sizeof(ImGuiDockNode*), DockNodeComparerDepthMostFirst);
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for (int n = 0; n < nodes_to_remove.Size; n++)
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DockContextRemoveNode(ctx, nodes_to_remove[n], false);
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if (root_id == 0)
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{
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dc->Nodes.Clear();
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dc->Requests.clear();
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}
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else if (has_document_root)
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{
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root_node->IsDocumentRoot = true;
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}
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}
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void ImGui::DockBuilderRemoveNodeDockedWindows(ImGuiContext* ctx, ImGuiID root_id, bool clear_persistent_docking_references)
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{
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// Clear references in settings
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ImGuiContext& g = *ctx;
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if (clear_persistent_docking_references)
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{
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for (int n = 0; n < g.SettingsWindows.Size; n++)
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{
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ImGuiWindowSettings* settings = &g.SettingsWindows[n];
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bool want_removal = (root_id == 0) || (settings->DockId == root_id);
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if (!want_removal && settings->DockId != 0)
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if (ImGuiDockNode* node = DockContextFindNodeByID(ctx, settings->DockId))
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if (DockNodeGetRootNode(node)->ID == root_id)
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want_removal = true;
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if (want_removal)
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settings->DockId = 0;
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}
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}
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// Clear references in windows
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for (int n = 0; n < g.Windows.Size; n++)
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{
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ImGuiWindow* window = g.Windows[n];
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bool want_removal = (root_id == 0) || (window->DockNode && DockNodeGetRootNode(window->DockNode)->ID == root_id) || (window->DockNodeAsHost && window->DockNodeAsHost->ID == root_id);
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if (want_removal)
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{
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ImGuiID backup_dock_id = window->DockId;
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DockContextProcessUndockWindow(ctx, window);
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if (!clear_persistent_docking_references)
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window->DockId = backup_dock_id;
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}
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}
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}
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ImGuiID ImGui::DockBuilderSplitNode(ImGuiContext* ctx, ImGuiID id, ImGuiDir split_dir, float size_ratio_for_node_at_dir, ImGuiID* out_id_at_dir, ImGuiID* out_id_other)
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{
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IM_ASSERT(split_dir != ImGuiDir_None);
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@ -1481,10 +1481,11 @@ namespace ImGui
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IMGUI_API void ShowDockingDebug();
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// Docking - Builder function needs to be generally called before the DockSpace() node is submitted.
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IMGUI_API void DockBuilderDockWindow(ImGuiContext* ctx, const char* window_name, ImGuiID node_id);
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IMGUI_API void DockBuilderAddNode(ImGuiContext* ctx, ImGuiID node_id, ImVec2 ref_size, ImGuiDockNodeFlags flags = 0);
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IMGUI_API void DockBuilderRemoveNode(ImGuiContext* ctx, ImGuiID node_id);
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IMGUI_API void DockBuilderRemoveNodeDockedWindows(ImGuiContext* ctx, ImGuiID node_id, bool clear_persistent_docking_references = true);
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IMGUI_API void DockBuilderRemoveNodeChildNodes(ImGuiContext* ctx, ImGuiID node_id); // Remove all split/hierarchy. All remaining docked windows will be re-docked to the root.
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IMGUI_API void DockBuilderDockWindow(ImGuiContext* ctx, const char* window_name, ImGuiID node_id);
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IMGUI_API void DockBuilderCreateNode(ImGuiContext* ctx, ImGuiID node_id, ImVec2 ref_size, ImGuiDockNodeFlags flags = 0);
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IMGUI_API ImGuiID DockBuilderSplitNode(ImGuiContext* ctx, ImGuiID node_id, ImGuiDir split_dir, float size_ratio_for_node_at_dir, ImGuiID* out_id_dir, ImGuiID* out_id_other);
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IMGUI_API void DockBuilderFinish(ImGuiContext* ctx, ImGuiID node_id);
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@ -704,7 +704,9 @@ bool ImGui::CollapseButton(ImGuiID id, const ImVec2& pos, ImGuiDockNode* dock_no
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}
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else
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{
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ImVec2 backup_active_click_offset = g.ActiveIdClickOffset;
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StartMouseMovingWindow(window);
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g.ActiveIdClickOffset = backup_active_click_offset;
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}
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}
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