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Docking: Added Type enum in ImGuiDockRequest. Renamed fields. DockSpace() skips node update if already submitted (when transitioning from implicit -> explicit DockSpace).

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This commit is contained in:
omar 2018-09-10 22:08:33 +02:00
parent d5692bff00
commit 416918429d
1 changed files with 45 additions and 27 deletions
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72
imgui.cpp
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@ -9527,23 +9527,32 @@ void ImGui::EndDragDropTarget()
static float IMGUI_DOCK_SPLITTER_SIZE = 4.0f;
enum ImGuiDockRequestType
{
ImGuiDockRequestType_None = 0,
ImGuiDockRequestType_Dock,
ImGuiDockRequestType_Undock
};
struct ImGuiDockRequest
{
ImGuiWindow* WindowDockTarget; // Destination/Target window to dock into (may be a loose window or a DockNode)
ImGuiDockNode* WindowDockTargetNode;
ImGuiWindow* WindowDockPayload; // Source/Payload window to dock (may be a loose window or a DockNode)
ImGuiDir WindowDockSplitDir;
float WindowDockSplitRatio;
bool WindowDockSplitOuter;
ImGuiWindow* WindowUndock;
ImGuiDockRequestType Type;
ImGuiWindow* DockTarget; // Destination/Target window to dock into (may be a loose window or a DockNode)
ImGuiDockNode* DockTargetNode;
ImGuiWindow* DockPayload; // Source/Payload window to dock (may be a loose window or a DockNode)
ImGuiDir DockSplitDir;
float DockSplitRatio;
bool DockSplitOuter;
ImGuiWindow* UndockTarget;
ImGuiDockRequest()
{
WindowDockTarget = WindowDockPayload = WindowUndock = NULL;
WindowDockTargetNode = NULL;
WindowDockSplitDir = ImGuiDir_None;
WindowDockSplitRatio = 0.5f;
WindowDockSplitOuter = false;
Type = ImGuiDockRequestType_None;
DockTarget = DockPayload = UndockTarget = NULL;
DockTargetNode = NULL;
DockSplitDir = ImGuiDir_None;
DockSplitRatio = 0.5f;
DockSplitOuter = false;
}
};
@ -9669,7 +9678,10 @@ void ImGui::DockContextShutdown(ImGuiContext* imgui_context)
ImGuiDockContext* ctx = g.DockContext;
for (int n = 0; n < ctx->Nodes.Data.Size; n++)
if (ImGuiDockNode* node = (ImGuiDockNode*)ctx->Nodes.Data[n].val_p)
{
node->ChildNodes[0] = node->ChildNodes[1] = NULL;
IM_DELETE(node);
}
IM_DELETE(g.DockContext);
g.DockContext = NULL;
}
@ -9712,8 +9724,8 @@ void ImGui::DockContextNewFrameUpdateUndocking(ImGuiDockContext* ctx)
// Process Undocking requests (called from NewFrame before UpdateMovingWindow)
for (int n = 0; n < ctx->Requests.Size; n++)
if (ctx->Requests[n].WindowUndock)
DockContextProcessUndock(ctx, ctx->Requests[n].WindowUndock);
if (ctx->Requests[n].Type == ImGuiDockRequestType_Undock)
DockContextProcessUndock(ctx, ctx->Requests[n].UndockTarget);
}
void ImGui::DockContextNewFrameUpdateDocking(ImGuiDockContext* ctx)
@ -9724,7 +9736,7 @@ void ImGui::DockContextNewFrameUpdateDocking(ImGuiDockContext* ctx)
// Process Docking requests
for (int n = 0; n < ctx->Requests.Size; n++)
if (ctx->Requests[n].WindowDockTarget)
if (ctx->Requests[n].Type == ImGuiDockRequestType_Dock)
DockContextProcessDock(ctx, &ctx->Requests[n]);
ctx->Requests.resize(0);
@ -9893,27 +9905,29 @@ void ImGui::DockContextBuildAddWindowsToNodes(ImGuiDockContext* ctx)
void ImGui::DockContextQueueDock(ImGuiDockContext* ctx, ImGuiWindow* target, ImGuiDockNode* target_node, ImGuiWindow* payload, ImGuiDir split_dir, float split_ratio, bool split_outer)
{
ImGuiDockRequest req;
req.WindowDockTarget = target;
req.WindowDockTargetNode = target_node;
req.WindowDockPayload = payload;
req.WindowDockSplitDir = split_dir;
req.WindowDockSplitRatio = split_ratio;
req.WindowDockSplitOuter = split_outer;
req.Type = ImGuiDockRequestType_Dock;
req.DockTarget = target;
req.DockTargetNode = target_node;
req.DockPayload = payload;
req.DockSplitDir = split_dir;
req.DockSplitRatio = split_ratio;
req.DockSplitOuter = split_outer;
ctx->Requests.push_back(req);
}
void ImGui::DockContextQueueUndock(ImGuiDockContext* ctx, ImGuiWindow* window)
{
ImGuiDockRequest req;
req.WindowUndock = window;
req.Type = ImGuiDockRequestType_Undock;
req.UndockTarget = window;
ctx->Requests.push_back(req);
}
void ImGui::DockContextProcessDock(ImGuiDockContext* ctx, ImGuiDockRequest* req)
{
ImGuiWindow* target_window = req->WindowDockTarget;
ImGuiWindow* payload_window = req->WindowDockPayload;
ImGuiDockNode* target_node = req->WindowDockTargetNode;
ImGuiWindow* target_window = req->DockTarget;
ImGuiWindow* payload_window = req->DockPayload;
ImGuiDockNode* target_node = req->DockTargetNode;
// Decide which Tab will be selected at the end of the operation (do it before the target/payload swap)
ImGuiID next_selected_id = 0;
@ -9941,7 +9955,7 @@ void ImGui::DockContextProcessDock(ImGuiDockContext* ctx, ImGuiDockRequest* req)
}
}
ImGuiDir split_dir = req->WindowDockSplitDir;
ImGuiDir split_dir = req->DockSplitDir;
if (split_dir == ImGuiDir_None)
{
target_node->LastFocusedNodeID = target_node ? target_node->ID : 0;
@ -9951,7 +9965,7 @@ void ImGui::DockContextProcessDock(ImGuiDockContext* 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 float split_ratio = req->WindowDockSplitRatio;
const float split_ratio = req->DockSplitRatio;
if (payload_node)
DockNodeTreeSplit(ctx, target_node, split_axis, split_inheritor_child_idx, split_ratio, payload_node);
else
@ -10056,6 +10070,7 @@ ImGuiDockNode::ImGuiDockNode(ImGuiID id)
ImGuiDockNode::~ImGuiDockNode()
{
IM_ASSERT(ChildNodes[0] == NULL && ChildNodes[1] == NULL);
IM_DELETE(TabBar);
TabBar = NULL;
}
@ -11268,6 +11283,9 @@ void ImGui::DockSpace(const char* str_id, const ImVec2& size_arg, ImGuiDockFlags
node->UserTypeIdFilter = user_type_filter;
node->IsExplicitRoot = true;
if (node->LastFrameActive == g.FrameCount)
return;
const ImVec2 content_avail = GetContentRegionAvail();
ImVec2 size = ImFloor(size_arg);
if (size.x <= 0.0f)