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Docking: Fixes for C++03 compilers.

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This commit is contained in:
omar
2018-10-01 10:40:43 +02:00
parent ae657a349a
commit 4e717b524c
2 changed files with 15 additions and 13 deletions
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26
imgui.cpp
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@ -9868,6 +9868,14 @@ 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.
struct ImGuiDockContextPruneNodeData
{
int CountWindows, CountChildWindows, CountChildNodes;
ImGuiID RootID;
ImGuiDockContextPruneNodeData() { CountWindows = CountChildWindows = CountChildNodes = 0; RootID = 0; }
};
// Garbage collect unused nodes (run once at init time)
static void ImGui::DockContextPruneUnusedSettingsNodes(ImGuiContext* ctx)
{
@ -9875,20 +9883,14 @@ static void ImGui::DockContextPruneUnusedSettingsNodes(ImGuiContext* ctx)
ImGuiDockContext* dc = ctx->DockContext;
IM_ASSERT(g.Windows.Size == 0);
struct NodeData
{
int CountWindows, CountChildWindows, CountChildNodes;
ImGuiID RootID;
NodeData() { CountWindows = CountChildWindows = CountChildNodes = 0; RootID = 0; }
};
ImPool<NodeData> pool;
ImPool<ImGuiDockContextPruneNodeData> pool;
pool.Reserve(dc->SettingsNodes.Size);
// Count child nodes and compute RootID
for (int settings_n = 0; settings_n < dc->SettingsNodes.Size; settings_n++)
{
ImGuiDockNodeSettings* settings = &dc->SettingsNodes[settings_n];
NodeData* parent_data = settings->ParentID ? pool.GetByKey(settings->ParentID) : 0;
ImGuiDockContextPruneNodeData* parent_data = settings->ParentID ? pool.GetByKey(settings->ParentID) : 0;
pool.GetOrAddByKey(settings->ID)->RootID = parent_data ? parent_data->RootID : settings->ID;
if (settings->ParentID)
pool.GetOrAddByKey(settings->ParentID)->CountChildNodes++;
@ -9897,9 +9899,9 @@ static void ImGui::DockContextPruneUnusedSettingsNodes(ImGuiContext* ctx)
// Count reference to dock ids from window settings
for (int settings_n = 0; settings_n < g.SettingsWindows.Size; settings_n++)
if (ImGuiID dock_id = g.SettingsWindows[settings_n].DockId)
if (NodeData* data = pool.GetByKey(dock_id))
if (ImGuiDockContextPruneNodeData* data = pool.GetByKey(dock_id))
{
NodeData* data_root = (data->RootID == dock_id) ? data : pool.GetByKey(data->RootID);
ImGuiDockContextPruneNodeData* data_root = (data->RootID == dock_id) ? data : pool.GetByKey(data->RootID);
data->CountWindows++;
data_root->CountChildWindows++;
}
@ -9908,10 +9910,10 @@ static void ImGui::DockContextPruneUnusedSettingsNodes(ImGuiContext* ctx)
for (int settings_n = 0; settings_n < dc->SettingsNodes.Size; settings_n++)
{
ImGuiDockNodeSettings* settings = &dc->SettingsNodes[settings_n];
NodeData* data = pool.GetByKey(settings->ID);
ImGuiDockContextPruneNodeData* data = pool.GetByKey(settings->ID);
if (data->CountWindows > 1)
continue;
NodeData* data_root = (data->RootID == settings->ID) ? data : pool.GetByKey(data->RootID);
ImGuiDockContextPruneNodeData* data_root = (data->RootID == settings->ID) ? data : pool.GetByKey(data->RootID);
bool remove = false;
remove |= (data->CountWindows == 1 && settings->ParentID == 0 && data->CountChildNodes == 0 && !settings->IsDocumentRoot); // Floating root node with only 1 window