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Docking: Builder: Added DockBuilderSetNodePos, DockBuilderSetNodeSize, allow DockBuilderAddNode creating floating node (dockspace requires ImGuiDockNodeFlags_Dockspace) (#2109)

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This commit is contained in:
omar 2019-01-31 17:01:07 +01:00
parent dc8ff68871
commit 1f2bdd37b3
2 changed files with 96 additions and 29 deletions
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105
imgui.cpp
View File

@ -10367,7 +10367,6 @@ static ImGuiDockNode* ImGui::DockContextAddNode(ImGuiContext* ctx, ImGuiID id)
else
IM_ASSERT(DockContextFindNodeByID(ctx, id) == NULL);
ImGuiDockNode* node = IM_NEW(ImGuiDockNode)(id);
node->InitFromFirstWindowPosSize = node->InitFromFirstWindowViewport = true;
ctx->DockContext->Nodes.SetVoidPtr(node->ID, node);
return node;
}
@ -10719,9 +10718,9 @@ void ImGui::DockContextProcessUndockNode(ImGuiContext* ctx, ImGuiDockNode* node)
int index_in_parent = (node->ParentNode->ChildNodes[0] == node) ? 0 : 1;
node->ParentNode->ChildNodes[index_in_parent] = NULL;
DockNodeTreeMerge(ctx, node->ParentNode, node->ParentNode->ChildNodes[index_in_parent ^ 1]);
node->ParentNode->InitFromFirstWindowViewport = true; // The node that stays in place keeps the viewport, so our newly dragged out node will create a new viewport
node->ParentNode->AutorityForViewport = ImGuiDataAutority_Window; // The node that stays in place keeps the viewport, so our newly dragged out node will create a new viewport
node->ParentNode = NULL;
node->InitFromFirstWindowPosSize = true;
node->AutorityForPos = node->AutorityForSize = ImGuiDataAutority_Window;
node->WantMouseMove = true;
}
MarkIniSettingsDirty();
@ -10745,7 +10744,7 @@ ImGuiDockNode::ImGuiDockNode(ImGuiID id)
LastFocusedNodeID = 0;
SelectedTabID = 0;
WantCloseTabID = 0;
InitFromFirstWindowPosSize = InitFromFirstWindowViewport = false;
AutorityForPos = AutorityForSize = AutorityForViewport = ImGuiDataAutority_Auto;
IsVisible = true;
IsFocused = IsCentralNode = IsHiddenTabBar = HasCloseButton = HasCollapseButton = false;
WantCloseAll = WantLockSizeOnce = WantMouseMove = WantHiddenTabBarUpdate = WantHiddenTabBarToggle = false;
@ -10796,7 +10795,14 @@ static void ImGui::DockNodeAddWindow(ImGuiDockNode* node, ImGuiWindow* window, b
// When reactivating a node with one or two loose window, the window pos/size/viewport are authoritative over the node storage.
// In particular it is important we init the viewport from the first window so we don't create two viewports and drop one.
if (node->HostWindow == NULL && !node->IsDockSpace() && node->IsRootNode())
node->InitFromFirstWindowPosSize = node->InitFromFirstWindowViewport = true;
{
if (node->AutorityForPos == ImGuiDataAutority_Auto)
node->AutorityForPos = ImGuiDataAutority_Window;
if (node->AutorityForSize == ImGuiDataAutority_Auto)
node->AutorityForSize = ImGuiDataAutority_Window;
if (node->AutorityForViewport == ImGuiDataAutority_Auto)
node->AutorityForViewport = ImGuiDataAutority_Window;
}
// Add to tab bar if requested
if (add_to_tab_bar)
@ -11138,7 +11144,7 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
}
DockNodeHideHostWindow(node);
node->InitFromFirstWindowPosSize = node->InitFromFirstWindowViewport = false;
node->AutorityForPos = node->AutorityForSize = node->AutorityForViewport = ImGuiDataAutority_Auto;
node->WantCloseAll = false;
node->WantCloseTabID = 0;
node->HasCloseButton = node->HasCollapseButton = false;
@ -11174,20 +11180,28 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
if (node->IsRootNode() && node->IsVisible)
{
if (node->InitFromFirstWindowPosSize && node->Windows.Size > 0)
{
ImGuiWindow* init_window = node->Windows[0];
SetNextWindowPos(init_window->Pos);
SetNextWindowSize(init_window->SizeFull);
SetNextWindowCollapsed(init_window->Collapsed);
}
else if (node->HostWindow == NULL)
{
ImGuiWindow* ref_window = (node->Windows.Size > 0) ? node->Windows[0] : NULL;
// Sync Pos
if (node->AutorityForPos == ImGuiDataAutority_Window && ref_window)
SetNextWindowPos(ref_window->Pos);
else if (node->AutorityForPos == ImGuiDataAutority_DockNode)
SetNextWindowPos(node->Pos);
// Sync Size
if (node->AutorityForSize == ImGuiDataAutority_Window && ref_window)
SetNextWindowSize(ref_window->SizeFull);
else if (node->AutorityForSize == ImGuiDataAutority_DockNode)
SetNextWindowSize(node->Size);
}
if (node->InitFromFirstWindowViewport && node->Windows.Size > 0)
SetNextWindowViewport(node->Windows[0]->ViewportId);
// Sync Collapsed
if (node->AutorityForSize == ImGuiDataAutority_Window && ref_window)
SetNextWindowCollapsed(ref_window->Collapsed);
// Sync Viewport
if (node->AutorityForViewport == ImGuiDataAutority_Window && ref_window)
SetNextWindowViewport(ref_window->ViewportId);
SetNextWindowClass(&node->WindowClass);
// Begin into the host window
@ -11222,7 +11236,7 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
{
node->HostWindow = host_window = node->ParentNode->HostWindow;
}
node->InitFromFirstWindowPosSize = node->InitFromFirstWindowViewport = false;
node->AutorityForPos = node->AutorityForSize = node->AutorityForViewport = ImGuiDataAutority_Auto;
if (node->WantMouseMove && node->HostWindow)
DockNodeStartMouseMovingWindow(node, node->HostWindow);
}
@ -11950,7 +11964,7 @@ void ImGui::DockNodeTreeMerge(ImGuiContext* ctx, ImGuiDockNode* parent_node, ImG
DockSettingsRenameNodeReferences(child_1->ID, parent_node->ID);
}
DockNodeApplyPosSizeToWindows(parent_node);
parent_node->InitFromFirstWindowPosSize = parent_node->InitFromFirstWindowViewport = false;
parent_node->AutorityForPos = parent_node->AutorityForSize = parent_node->AutorityForViewport = ImGuiDataAutority_Auto;
parent_node->VisibleWindow = merge_lead_child->VisibleWindow;
parent_node->IsCentralNode = (child_0 && child_0->IsCentralNode) || (child_1 && child_1->IsCentralNode);
parent_node->IsHiddenTabBar = merge_lead_child->IsHiddenTabBar;
@ -12359,11 +12373,13 @@ ImGuiID ImGui::DockSpaceOverViewport(ImGuiViewport* viewport, ImGuiDockNodeFlags
void ImGui::DockBuilderDockWindow(const char* window_name, ImGuiID node_id)
{
// We don't preserve relative order of multiple docked windows (by clearing DockOrder back to -1)
ImGuiID window_id = ImHashStr(window_name, 0);
if (ImGuiWindow* window = FindWindowByID(window_id))
{
// Apply to created window
SetWindowDock(window, node_id, ImGuiCond_Always);
window->DockOrder = -1;
}
else
{
@ -12372,6 +12388,7 @@ void ImGui::DockBuilderDockWindow(const char* window_name, ImGuiID node_id)
if (settings == NULL)
settings = CreateNewWindowSettings(window_name);
settings->DockId = node_id;
settings->DockOrder = -1;
}
}
@ -12381,14 +12398,48 @@ ImGuiDockNode* ImGui::DockBuilderGetNode(ImGuiID node_id)
return DockContextFindNodeByID(ctx, node_id);
}
void ImGui::DockBuilderAddNode(ImGuiID id, ImVec2 ref_size, ImGuiDockNodeFlags flags)
void ImGui::DockBuilderSetNodePos(ImGuiID node_id, ImVec2 pos)
{
ImGuiContext* ctx = GImGui;
ImGuiDockNode* node = DockContextFindNodeByID(ctx, node_id);
if (node == NULL)
return;
node->Pos = pos;
node->AutorityForPos = ImGuiDataAutority_DockNode;
}
void ImGui::DockBuilderSetNodeSize(ImGuiID node_id, ImVec2 size)
{
ImGuiContext* ctx = GImGui;
ImGuiDockNode* node = DockContextFindNodeByID(ctx, node_id);
if (node == NULL)
return;
node->Size = node->SizeRef = size;
node->AutorityForSize = ImGuiDataAutority_DockNode;
}
// If you create a regular node, both ref_pos/ref_size will position the window.
// If you create a dockspace node: ref_pos won't be used, ref_size is useful on the first frame to...
ImGuiID ImGui::DockBuilderAddNode(ImGuiID id, ImGuiDockNodeFlags flags)
{
ImGuiContext* ctx = GImGui;
ImGuiDockNode* node = NULL;
if (flags & ImGuiDockNodeFlags_Dockspace)
{
DockSpace(id, ImVec2(0, 0), flags | ImGuiDockNodeFlags_KeepAliveOnly);
ImGuiDockNode* node = DockContextFindNodeByID(ctx, id);
node->SizeRef = node->Size = ref_size;
node = DockContextFindNodeByID(ctx, id);
node->LastFrameAlive = -1;
}
else
{
if (id != 0)
node = DockContextFindNodeByID(ctx, id);
if (!node)
node = DockContextAddNode(ctx, id);
node->LastFrameAlive = ctx->FrameCount;
}
return node->ID;
}
void ImGui::DockBuilderRemoveNode(ImGuiID node_id)
{
@ -12413,6 +12464,9 @@ void ImGui::DockBuilderRemoveNodeChildNodes(ImGuiID root_id)
return;
bool has_document_root = false;
ImGuiDataAutority backup_root_node_autority_for_pos = root_node ? root_node->AutorityForPos : ImGuiDataAutority_Auto;
ImGuiDataAutority backup_root_node_autority_for_size = root_node ? root_node->AutorityForSize : ImGuiDataAutority_Auto;
// Process active windows
ImVector<ImGuiDockNode*> nodes_to_remove;
for (int n = 0; n < dc->Nodes.Data.Size; n++)
@ -12434,7 +12488,10 @@ void ImGui::DockBuilderRemoveNodeChildNodes(ImGuiID root_id)
// DockNodeMoveWindows->DockNodeAddWindow will normally set those when reaching two windows (which is only adequate during interactive merge)
// Make sure we don't lose our current pos/size. (FIXME-DOCK: Consider tidying up that code in DockNodeAddWindow instead)
if (root_node)
root_node->InitFromFirstWindowPosSize = false;
{
root_node->AutorityForPos = backup_root_node_autority_for_pos;
root_node->AutorityForSize = backup_root_node_autority_for_size;
}
// Apply to settings
for (int settings_n = 0; settings_n < ctx->SettingsWindows.Size; settings_n++)

16
imgui_internal.h
View File

@ -818,6 +818,13 @@ enum ImGuiDockNodeFlagsPrivate_
ImGuiDockNodeFlags_Dockspace = 1 << 10
};
enum ImGuiDataAutority
{
ImGuiDataAutority_Auto,
ImGuiDataAutority_DockNode,
ImGuiDataAutority_Window
};
// sizeof() 116~160
struct ImGuiDockNode
{
@ -843,8 +850,9 @@ struct ImGuiDockNode
ImGuiID LastFocusedNodeID; // [Root node only] Which of our child docking node (any ancestor in the hierarchy) was last focused.
ImGuiID SelectedTabID; // [Tab node only] Which of our tab is selected.
ImGuiID WantCloseTabID; // [Tab node only] Set when closing a specific tab.
bool InitFromFirstWindowPosSize :1;
bool InitFromFirstWindowViewport :1;
ImGuiDataAutority AutorityForPos :3;
ImGuiDataAutority AutorityForSize :3;
ImGuiDataAutority AutorityForViewport :3;
bool IsVisible :1; // Set to false when the node is hidden (usually disabled as it has no active window)
bool IsFocused :1;
bool IsCentralNode :1;
@ -1577,10 +1585,12 @@ namespace ImGui
IMGUI_API void DockBuilderDockWindow(const char* window_name, ImGuiID node_id);
IMGUI_API ImGuiDockNode*DockBuilderGetNode(ImGuiID node_id); // Warning: DO NOT HOLD ON ImGuiDockNode* pointer, will be invalided by any split/merge/remove operation.
inline ImGuiDockNode* DockBuilderGetCentralNode(ImGuiID node_id) { ImGuiDockNode* node = DockBuilderGetNode(node_id); if (!node) return NULL; return DockNodeGetRootNode(node)->CentralNode; }
IMGUI_API void DockBuilderAddNode(ImGuiID node_id, ImVec2 ref_size, ImGuiDockNodeFlags flags = 0);
IMGUI_API ImGuiID DockBuilderAddNode(ImGuiID node_id, ImGuiDockNodeFlags flags = 0);
IMGUI_API void DockBuilderRemoveNode(ImGuiID node_id); // Remove node and all its child, undock all windows
IMGUI_API void DockBuilderRemoveNodeDockedWindows(ImGuiID node_id, bool clear_persistent_docking_references = true);
IMGUI_API void DockBuilderRemoveNodeChildNodes(ImGuiID node_id); // Remove all split/hierarchy. All remaining docked windows will be re-docked to the root.
IMGUI_API void DockBuilderSetNodePos(ImGuiID node_id, ImVec2 pos);
IMGUI_API void DockBuilderSetNodeSize(ImGuiID node_id, ImVec2 size);
IMGUI_API ImGuiID DockBuilderSplitNode(ImGuiID node_id, ImGuiDir split_dir, float size_ratio_for_node_at_dir, ImGuiID* out_id_dir, ImGuiID* out_id_other);
IMGUI_API void DockBuilderCopyDockspace(ImGuiID src_dockspace_id, ImGuiID dst_dockspace_id, ImVector<const char*>* in_window_remap_pairs);
IMGUI_API void DockBuilderCopyNode(ImGuiID src_node_id, ImGuiID dst_node_id, ImVector<ImGuiID>* out_node_remap_pairs);