From 927580d4a86acd1e131d20627d3cb42a13a969c3 Mon Sep 17 00:00:00 2001 From: omar Date: Thu, 28 Nov 2019 22:44:29 +0100 Subject: [PATCH] Docking: Cleanup, rename DockNodePreviewDockCalc() -> DockNodePreviewDockSetup() --- imgui.cpp | 42 ++++++++++++++++++++++-------------------- imgui_internal.h | 2 +- 2 files changed, 23 insertions(+), 21 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index 92af81d0..eb6f9359 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -11241,7 +11241,7 @@ namespace ImGui static void DockNodeUpdateVisibleFlag(ImGuiDockNode* node); static void DockNodeStartMouseMovingWindow(ImGuiDockNode* node, ImGuiWindow* window); static bool DockNodeIsDropAllowed(ImGuiWindow* host_window, ImGuiWindow* payload_window); - static void DockNodePreviewDockCalc(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* payload_window, ImGuiDockPreviewData* preview_data, bool is_explicit_target, bool is_outer_docking); + static void DockNodePreviewDockSetup(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* payload_window, ImGuiDockPreviewData* preview_data, bool is_explicit_target, bool is_outer_docking); static void DockNodePreviewDockRender(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* payload_window, const ImGuiDockPreviewData* preview_data); static void DockNodeCalcTabBarLayout(const ImGuiDockNode* node, ImRect* out_title_rect, ImRect* out_tab_bar_rect, ImVec2* out_window_menu_button_pos); static void DockNodeCalcSplitRects(ImVec2& pos_old, ImVec2& size_old, ImVec2& pos_new, ImVec2& size_new, ImGuiDir dir, ImVec2 size_new_desired); @@ -11740,7 +11740,7 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req) // We can dock a split payload into a node that already has windows _only_ if our payload is a node tree with a single visible node. // In this situation, we move the windows of the target node into the currently visible node of the payload. // This allows us to preserve some of the underlying dock tree settings nicely. - IM_ASSERT(payload_node->OnlyNodeWithWindows != NULL); // The docking should have been blocked by DockNodePreviewDockCalc() early on and never submitted. + IM_ASSERT(payload_node->OnlyNodeWithWindows != NULL); // The docking should have been blocked by DockNodePreviewDockSetup() early on and never submitted. ImGuiDockNode* visible_node = payload_node->OnlyNodeWithWindows; if (visible_node->TabBar) IM_ASSERT(visible_node->TabBar->Tabs.Size > 0); @@ -11847,7 +11847,7 @@ bool ImGui::DockContextCalcDropPosForDocking(ImGuiWindow* target, ImGuiDockNode* else { ImGuiDockPreviewData split_data; - DockNodePreviewDockCalc(target, target_node, payload, &split_data, false, split_outer); + DockNodePreviewDockSetup(target, target_node, payload, &split_data, false, split_outer); if (split_data.DropRectsDraw[split_dir+1].IsInverted()) return false; *out_pos = split_data.DropRectsDraw[split_dir+1].GetCenter(); @@ -11882,7 +11882,7 @@ bool ImGui::DockContextCalcDropPosForDocking(ImGuiWindow* target, ImGuiDockNode* // - DockNodeCalcTabBarLayout() // - DockNodeCalcSplitRects() // - DockNodeCalcDropRectsAndTestMousePos() -// - DockNodePreviewDockCalc() +// - DockNodePreviewDockSetup() // - DockNodePreviewDockRender() //----------------------------------------------------------------------------- @@ -13007,40 +13007,42 @@ bool ImGui::DockNodeCalcDropRectsAndTestMousePos(const ImRect& parent, ImGuiDir // host_node may be NULL if the window doesn't have a DockNode already. // FIXME-DOCK: This is misnamed since it's also doing the filtering. -static void ImGui::DockNodePreviewDockCalc(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* root_payload, ImGuiDockPreviewData* data, bool is_explicit_target, bool is_outer_docking) +static void ImGui::DockNodePreviewDockSetup(ImGuiWindow* host_window, ImGuiDockNode* host_node, ImGuiWindow* root_payload, ImGuiDockPreviewData* data, bool is_explicit_target, bool is_outer_docking) { ImGuiContext& g = *GImGui; // There is an edge case when docking into a dockspace which only has inactive nodes. // In this case DockNodeTreeFindNodeByPos() will have selected a leaf node which is inactive. // Because the inactive leaf node doesn't have proper pos/size yet, we'll use the root node as reference. + ImGuiDockNode* root_payload_as_host = root_payload->DockNodeAsHost; ImGuiDockNode* ref_node_for_rect = (host_node && !host_node->IsVisible) ? DockNodeGetRootNode(host_node) : host_node; if (ref_node_for_rect) IM_ASSERT(ref_node_for_rect->IsVisible); - // Build a tentative future node (reuse same structure because it is practical) - data->FutureNode.HasCloseButton = (host_node ? host_node->HasCloseButton : host_window->HasCloseButton) || (root_payload->HasCloseButton); - data->FutureNode.HasWindowMenuButton = host_node ? true : ((host_window->Flags & ImGuiWindowFlags_NoCollapse) == 0); - data->FutureNode.Pos = host_node ? ref_node_for_rect->Pos : host_window->Pos; - data->FutureNode.Size = host_node ? ref_node_for_rect->Size : host_window->Size; - - // Figure out here we are allowed to dock + // Filter, figure out where we are allowed to dock ImGuiDockNodeFlags host_node_flags = host_node ? host_node->GetMergedFlags() : 0; - const bool src_is_visibly_splitted = root_payload->DockNodeAsHost && root_payload->DockNodeAsHost->IsSplitNode() && (root_payload->DockNodeAsHost->OnlyNodeWithWindows == NULL); - data->IsCenterAvailable = !is_outer_docking; - if (src_is_visibly_splitted && (!host_node || !host_node->IsEmpty())) + data->IsCenterAvailable = true; + if (is_outer_docking) data->IsCenterAvailable = false; - if (host_node && (host_node_flags & ImGuiDockNodeFlags_NoDocking)) + else if (host_node && (host_node_flags & ImGuiDockNodeFlags_NoDocking)) data->IsCenterAvailable = false; - if (host_node && (host_node_flags & ImGuiDockNodeFlags_NoDockingInCentralNode) && host_node->IsCentralNode()) + else if (host_node && (host_node_flags & ImGuiDockNodeFlags_NoDockingInCentralNode) && host_node->IsCentralNode()) + data->IsCenterAvailable = false; + else if ((!host_node || !host_node->IsEmpty()) && root_payload_as_host && root_payload_as_host->IsSplitNode() && (root_payload_as_host->OnlyNodeWithWindows == NULL)) // Is _visibly_ split? data->IsCenterAvailable = false; data->IsSidesAvailable = true; if ((host_node && (host_node_flags & ImGuiDockNodeFlags_NoSplit)) || g.IO.ConfigDockingNoSplit) data->IsSidesAvailable = false; - if (!is_outer_docking && host_node && host_node->ParentNode == NULL && host_node->IsCentralNode()) + else if (!is_outer_docking && host_node && host_node->ParentNode == NULL && host_node->IsCentralNode()) data->IsSidesAvailable = false; + // Build a tentative future node (reuse same structure because it is practical. Shape will be readjusted when previewing a split) + data->FutureNode.HasCloseButton = (host_node ? host_node->HasCloseButton : host_window->HasCloseButton) || (root_payload->HasCloseButton); + data->FutureNode.HasWindowMenuButton = host_node ? true : ((host_window->Flags & ImGuiWindowFlags_NoCollapse) == 0); + data->FutureNode.Pos = host_node ? ref_node_for_rect->Pos : host_window->Pos; + data->FutureNode.Size = host_node ? ref_node_for_rect->Size : host_window->Size; + // Calculate drop shapes geometry for allowed splitting directions IM_ASSERT(ImGuiDir_None == -1); data->SplitNode = host_node; @@ -14353,11 +14355,11 @@ void ImGui::BeginDockableDragDropTarget(ImGuiWindow* window) if (node && (node->ParentNode || node->IsCentralNode())) if (ImGuiDockNode* root_node = DockNodeGetRootNode(node)) { - DockNodePreviewDockCalc(window, root_node, payload_window, &split_outer, is_explicit_target, true); + DockNodePreviewDockSetup(window, root_node, payload_window, &split_outer, is_explicit_target, true); if (split_outer.IsSplitDirExplicit) split_data = &split_outer; } - DockNodePreviewDockCalc(window, node, payload_window, &split_inner, is_explicit_target, false); + DockNodePreviewDockSetup(window, node, payload_window, &split_inner, is_explicit_target, false); if (split_data == &split_outer) split_inner.IsDropAllowed = false; diff --git a/imgui_internal.h b/imgui_internal.h index eeaefb7b..a7e8ed72 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -1053,7 +1053,7 @@ struct ImGuiDockNode ImVec2 Size; // Current size ImVec2 SizeRef; // [Split node only] Last explicitly written-to size (overridden when using a splitter affecting the node), used to calculate Size. int SplitAxis; // [Split node only] Split axis (X or Y) - ImGuiWindowClass WindowClass; + ImGuiWindowClass WindowClass; // [Root node only] ImGuiDockNodeState State; ImGuiWindow* HostWindow;