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Docking: Comments and tidying up (should be no-op)

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docking
omar 6 years ago
parent 86d3bba157
commit 37fb531d1c
1 changed files with 45 additions and 45 deletions
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90
imgui.cpp
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@ -10062,7 +10062,7 @@ void ImGui::EndDragDropTarget()
// Docking: ImGuiDockNode
// Docking: ImGuiDockNode Tree manipulation functions
// Docking: Public Functions (SetWindowDock, DockSpace)
// Docking: Public Builder Functions
// Docking: Builder Functions
// Docking: Begin/End Functions (called from Begin/End)
// Docking: Settings
//-----------------------------------------------------------------------------
@ -10162,9 +10162,9 @@ namespace ImGui
static void DockContextProcessUndockNode(ImGuiContext* ctx, ImGuiDockNode* node);
static void DockContextPruneUnusedSettingsNodes(ImGuiContext* ctx);
static ImGuiDockNode* DockContextFindNodeByID(ImGuiContext* ctx, ImGuiID id);
static void DockContextClearNodes(ImGuiContext* ctx, ImGuiID root_id, bool clear_persistent_docking_refs); // Set root_id==0 to clear all
static void DockContextClearNodes(ImGuiContext* ctx, ImGuiID root_id, bool clear_persistent_docking_refs); // Use root_id==0 to clear all
static void DockContextBuildNodesFromSettings(ImGuiContext* ctx, ImGuiDockNodeSettings* node_settings_array, int node_settings_count);
static void DockContextBuildAddWindowsToNodes(ImGuiContext* ctx, ImGuiID root_id); // Use root_id==0 to add all
static void DockContextBuildAddWindowsToNodes(ImGuiContext* ctx, ImGuiID root_id); // Use root_id==0 to add all
// ImGuiDockNode
static void DockNodeAddWindow(ImGuiDockNode* node, ImGuiWindow* window, bool add_to_tab_bar);
@ -10197,8 +10197,8 @@ namespace ImGui
static ImGuiDockNode* DockNodeTreeFindFallbackLeafNode(ImGuiDockNode* node);
// Settings
static void DockSettingsMoveDockReferencesInInactiveWindow(ImGuiID old_dock_id, ImGuiID new_dock_id);
static void DockSettingsRemoveReferencesToNodes(ImGuiID* node_ids, int node_ids_count);
static void DockSettingsRenameNodeReferences(ImGuiID old_node_id, ImGuiID new_node_id);
static void DockSettingsRemoveNodeReferences(ImGuiID* node_ids, int node_ids_count);
static ImGuiDockNodeSettings* DockSettingsFindNodeSettings(ImGuiContext* ctx, ImGuiID node_id);
static void* DockSettingsHandler_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*, const char* name);
static void DockSettingsHandler_ReadLine(ImGuiContext*, ImGuiSettingsHandler*, void* entry, const char* line);
@ -10212,8 +10212,8 @@ namespace ImGui
// or we always hold the entire docking node tree. Nodes are frequently hidden, e.g. if the window(s) or child nodes they host are not active.
// At boot time only, we run a simple GC to remove nodes that have no references.
// Because dock node settings (which are small, contiguous structures) are always mirrored by their corresponding dock nodes (more complete structures),
// we can also very easily recreate the nodes from scratch given the settings data (this is what DockContextRebuild() does).
// This is convenient as docking reconfiguration can be implemented by mostly poking at the simpler setttings data.
// we can also very easily recreate the nodes from scratch given the settings data (this is what DockContextRebuild() does).
// This is convenient as docking reconfiguration can be implemented by mostly poking at the simpler settings data.
//-----------------------------------------------------------------------------
void ImGui::DockContextInitialize(ImGuiContext* ctx)
@ -10280,8 +10280,9 @@ void ImGui::DockContextNewFrameUpdateUndocking(ImGuiContext* ctx)
DockContextClearNodes(ctx, 0, true);
return;
}
// Setting NoSplit at runtime merges all nodes
if (g.IO.ConfigDockingNoSplit)
{
for (int n = 0; n < dc->Nodes.Data.Size; n++)
if (ImGuiDockNode* node = (ImGuiDockNode*)dc->Nodes.Data[n].val_p)
if (node->IsRootNode() && node->IsSplitNode())
@ -10289,8 +10290,8 @@ void ImGui::DockContextNewFrameUpdateUndocking(ImGuiContext* ctx)
DockBuilderRemoveNodeChildNodes(node->ID);
//dc->WantFullRebuild = true;
}
}
// Process full rebuild
#if 0
if (ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_C)))
dc->WantFullRebuild = true;
@ -10342,7 +10343,7 @@ static ImGuiDockNode* ImGui::DockContextFindNodeByID(ImGuiContext* ctx, ImGuiID
static ImGuiID ImGui::DockContextGenNodeID(ImGuiContext* ctx)
{
// Generate an ID for new node (the exact ID value doesn't matter as long as it is not already used)
// FIXME-OPT: This is suboptimal, even if the node count is small enough not to be a worry. We should poke in ctx->Nodes to find a suitable ID faster.
// FIXME-OPT FIXME-DOCKING: This is suboptimal, even if the node count is small enough not to be a worry. We should poke in ctx->Nodes to find a suitable ID faster.
ImGuiID id = 0x0001;
while (DockContextFindNodeByID(ctx, id) != NULL)
id++;
@ -10400,11 +10401,11 @@ static int IMGUI_CDECL DockNodeComparerDepthMostFirst(const void* lhs, const voi
return ImGui::DockNodeGetDepth(b) - ImGui::DockNodeGetDepth(a);
}
// Pre C++0x doesn't allow us to use a local type (without linkage) as template parameter, so we moved this here.
// Pre C++0x doesn't allow us to use a function-local type (without linkage) as template parameter, so we moved this here.
struct ImGuiDockContextPruneNodeData
{
int CountWindows, CountChildWindows, CountChildNodes;
ImGuiID RootID;
int CountWindows, CountChildWindows, CountChildNodes;
ImGuiID RootID;
ImGuiDockContextPruneNodeData() { CountWindows = CountChildWindows = CountChildNodes = 0; RootID = 0; }
};
@ -10453,7 +10454,7 @@ static void ImGui::DockContextPruneUnusedSettingsNodes(ImGuiContext* ctx)
remove |= (data_root->CountChildWindows == 0);
if (remove)
{
DockSettingsRemoveReferencesToNodes(&settings->ID, 1);
DockSettingsRemoveNodeReferences(&settings->ID, 1);
settings->ID = 0;
}
}
@ -10464,24 +10465,24 @@ static void ImGui::DockContextBuildNodesFromSettings(ImGuiContext* ctx, ImGuiDoc
// Build nodes
for (int node_n = 0; node_n < node_settings_count; node_n++)
{
ImGuiDockNodeSettings* node_settings = &node_settings_array[node_n];
if (node_settings->ID == 0)
ImGuiDockNodeSettings* settings = &node_settings_array[node_n];
if (settings->ID == 0)
continue;
ImGuiDockNode* node = DockContextAddNode(ctx, node_settings->ID);
node->ParentNode = node_settings->ParentID ? DockContextFindNodeByID(ctx, node_settings->ParentID) : NULL;
node->Pos = ImVec2(node_settings->Pos.x, node_settings->Pos.y);
node->Size = ImVec2(node_settings->Size.x, node_settings->Size.y);
node->SizeRef = ImVec2(node_settings->SizeRef.x, node_settings->SizeRef.y);
ImGuiDockNode* node = DockContextAddNode(ctx, settings->ID);
node->ParentNode = settings->ParentID ? DockContextFindNodeByID(ctx, settings->ParentID) : NULL;
node->Pos = ImVec2(settings->Pos.x, settings->Pos.y);
node->Size = ImVec2(settings->Size.x, settings->Size.y);
node->SizeRef = ImVec2(settings->SizeRef.x, settings->SizeRef.y);
if (node->ParentNode && node->ParentNode->ChildNodes[0] == NULL)
node->ParentNode->ChildNodes[0] = node;
else if (node->ParentNode && node->ParentNode->ChildNodes[1] == NULL)
node->ParentNode->ChildNodes[1] = node;
node->SelectedTabID = node_settings->SelectedTabID;
node->SplitAxis = node_settings->SplitAxis;
if (node_settings->IsDockSpace)
node->SelectedTabID = settings->SelectedTabID;
node->SplitAxis = settings->SplitAxis;
if (settings->IsDockSpace)
node->Flags |= ImGuiDockNodeFlags_Dockspace;
node->IsCentralNode = node_settings->IsCentralNode != 0;
node->IsHiddenTabBar = node_settings->IsHiddenTabBar != 0;
node->IsCentralNode = settings->IsCentralNode != 0;
node->IsHiddenTabBar = settings->IsHiddenTabBar != 0;
// Bind host window immediately if it already exist (in case of a rebuild)
// This is useful as the RootWindowForTitleBarHighlight links necessary to highlight the currently focused node requires node->HostWindow to be set.
@ -10576,7 +10577,6 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
}
// FIXME-DOCK: When we are trying to dock an existing single-window node into a loose window, transfer Node ID as well
if (target_node)
IM_ASSERT(target_node->LastFrameAlive < g.FrameCount);
if (target_node && target_window && target_node == target_window->DockNodeAsHost)
@ -10601,15 +10601,11 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
{
// Split into one, one side will be our payload node unless we are dropping a loose window
const ImGuiAxis split_axis = (split_dir == ImGuiDir_Left || split_dir == ImGuiDir_Right) ? ImGuiAxis_X : ImGuiAxis_Y;
const int split_inheritor_child_idx = (split_dir == ImGuiDir_Left || split_dir == ImGuiDir_Up) ? 1 : 0;
const int split_inheritor_child_idx = (split_dir == ImGuiDir_Left || split_dir == ImGuiDir_Up) ? 1 : 0; // Current contents will be moved to the opposite side
const float split_ratio = req->DockSplitRatio;
DockNodeTreeSplit(ctx, target_node, split_axis, split_inheritor_child_idx, split_ratio, payload_node); // payload_node may be NULL here!
ImGuiDockNode* inheritor_node = target_node->ChildNodes[split_inheritor_child_idx];
ImGuiDockNode* new_node = target_node->ChildNodes[split_inheritor_child_idx ^ 1];
new_node->HostWindow = target_node->HostWindow;
inheritor_node->IsCentralNode = target_node->IsCentralNode;
inheritor_node->IsHiddenTabBar = target_node->IsHiddenTabBar;
target_node->IsCentralNode = false;
target_node = new_node;
}
target_node->IsHiddenTabBar = false;
@ -10640,7 +10636,7 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
IM_ASSERT(visible_node->TabBar->Tabs.Size > 0);
DockNodeMoveWindows(target_node, visible_node);
DockNodeMoveWindows(visible_node, target_node);
DockSettingsMoveDockReferencesInInactiveWindow(target_node->ID, visible_node->ID);
DockSettingsRenameNodeReferences(target_node->ID, visible_node->ID);
}
if (target_node->IsCentralNode)
{
@ -10658,7 +10654,7 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
{
const ImGuiID payload_dock_id = payload_node->ID;
DockNodeMoveWindows(target_node, payload_node);
DockSettingsMoveDockReferencesInInactiveWindow(payload_dock_id, target_node->ID);
DockSettingsRenameNodeReferences(payload_dock_id, target_node->ID);
}
DockContextRemoveNode(ctx, payload_node, true);
}
@ -10669,7 +10665,7 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
target_node->VisibleWindow = payload_window;
DockNodeAddWindow(target_node, payload_window, true);
if (payload_dock_id != 0)
DockSettingsMoveDockReferencesInInactiveWindow(payload_dock_id, target_node->ID);
DockSettingsRenameNodeReferences(payload_dock_id, target_node->ID);
}
}
@ -10702,7 +10698,7 @@ void ImGui::DockContextProcessUndockNode(ImGuiContext* ctx, ImGuiDockNode* node)
// In the case of a root node or central node, the node will have to stay in place. Create a new node to receive the payload.
ImGuiDockNode* new_node = DockContextAddNode(ctx, 0);
DockNodeMoveWindows(new_node, node);
DockSettingsMoveDockReferencesInInactiveWindow(node->ID, new_node->ID);
DockSettingsRenameNodeReferences(node->ID, new_node->ID);
for (int n = 0; n < new_node->Windows.Size; n++)
UpdateWindowParentAndRootLinks(new_node->Windows[n], new_node->Windows[n]->Flags, NULL);
new_node->WantMouseMove = true;
@ -11911,6 +11907,10 @@ 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);
child_inheritor->IsCentralNode = parent_node->IsCentralNode;
child_inheritor->IsHiddenTabBar = parent_node->IsHiddenTabBar;
parent_node->IsCentralNode = false;
}
void ImGui::DockNodeTreeMerge(ImGuiContext* ctx, ImGuiDockNode* parent_node, ImGuiDockNode* merge_lead_child)
@ -11931,12 +11931,12 @@ void ImGui::DockNodeTreeMerge(ImGuiContext* ctx, ImGuiDockNode* parent_node, ImG
if (child_0)
{
DockNodeMoveWindows(parent_node, child_0); // Generally only 1 of the 2 child node will have windows
DockSettingsMoveDockReferencesInInactiveWindow(child_0->ID, parent_node->ID);
DockSettingsRenameNodeReferences(child_0->ID, parent_node->ID);
}
if (child_1)
{
DockNodeMoveWindows(parent_node, child_1);
DockSettingsMoveDockReferencesInInactiveWindow(child_1->ID, parent_node->ID);
DockSettingsRenameNodeReferences(child_1->ID, parent_node->ID);
}
DockNodeApplyPosSizeToWindows(parent_node);
parent_node->InitFromFirstWindowPosSize = parent_node->InitFromFirstWindowViewport = false;
@ -12904,25 +12904,25 @@ void ImGui::BeginAsDockableDragDropTarget(ImGuiWindow* window)
// Docking: Settings
//-----------------------------------------------------------------------------
static void ImGui::DockSettingsMoveDockReferencesInInactiveWindow(ImGuiID old_dock_id, ImGuiID new_dock_id)
static void ImGui::DockSettingsRenameNodeReferences(ImGuiID old_node_id, ImGuiID new_node_id)
{
ImGuiContext& g = *GImGui;
for (int window_n = 0; window_n < g.Windows.Size; window_n++)
{
ImGuiWindow* window = g.Windows[window_n];
if (window->DockId == old_dock_id && window->DockNode == NULL)
window->DockId = new_dock_id;
if (window->DockId == old_node_id && window->DockNode == NULL)
window->DockId = new_node_id;
}
for (int settings_n = 0; settings_n < g.SettingsWindows.Size; settings_n++) // FIXME-OPT: We could remove this loop by storing the index in the map
{
ImGuiWindowSettings* window_settings = &g.SettingsWindows[settings_n];
if (window_settings->DockId == old_dock_id)
window_settings->DockId = new_dock_id;
if (window_settings->DockId == old_node_id)
window_settings->DockId = new_node_id;
}
}
// Remove references stored in ImGuiWindowSettings to the given ImGuiDockNodeSettings
static void ImGui::DockSettingsRemoveReferencesToNodes(ImGuiID* node_ids, int node_ids_count)
static void ImGui::DockSettingsRemoveNodeReferences(ImGuiID* node_ids, int node_ids_count)
{
ImGuiContext& g = *GImGui;
int found = 0;

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