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Docking: Fixed DockSpace() child window displaying a scrollbar behind the node backgrounds. Rename ImGuiCol_DockingBg to ImGuiCol_DockingEmptyBg. Added ImGuiDockNode::IsLeaftNode(). (#2109)

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This commit is contained in:
omar 2018-10-03 11:24:52 +02:00
parent 83f55c9de5
commit bd82539ad5
6 changed files with 19 additions and 22 deletions
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2
docs/CHANGELOG.txt
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@ -47,7 +47,7 @@ HOW TO UPDATE?
- Added ImGuiWindowFlags_UnsavedDocument window flag to append '*' to title without altering the ID,
as a convenience to avoid using the ### operator.
- Added io.ConfigDockingWithShift option to configure docking mode.
- Style: Added ImGuiCol_DockingPreview, ImGuiCol_DockingBg colors. (#351)
- Style: Added ImGuiCol_DockingPreview, ImGuiCol_DockingEmptyBg colors. (#351)
- Style: Added ImGuiCol_Tab, ImGuiCol_TabHovered, ImGuiCol_TabActive, ImGuiCol_TabUnfocused, ImGuiCol_TabUnfocusedActive colors. (#261, #351)
- Demo: Added Layout->Tabs demo code. (#261, #351)
- Demo: Added "Documents" example app showcasing possible use for tabs. (#261, #351)

28
imgui.cpp
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@ -6040,7 +6040,7 @@ const char* ImGui::GetStyleColorName(ImGuiCol idx)
case ImGuiCol_TabUnfocused: return "TabUnfocused";
case ImGuiCol_TabUnfocusedActive: return "TabUnfocusedActive";
case ImGuiCol_DockingPreview: return "DockingPreview";
case ImGuiCol_DockingBg: return "DockingBg";
case ImGuiCol_DockingEmptyBg: return "DockingEmptyBg";
case ImGuiCol_PlotLines: return "PlotLines";
case ImGuiCol_PlotLinesHovered: return "PlotLinesHovered";
case ImGuiCol_PlotHistogram: return "PlotHistogram";
@ -10059,7 +10059,7 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
{
payload_node = payload_window->DockNodeAsHost;
payload_window->DockNodeAsHost = NULL; // Important to clear this as the node will have its life as a child which might be merged/deleted later.
if (payload_node && !payload_node->IsSplitNode())
if (payload_node && payload_node->IsLeafNode())
next_selected_id = payload_node->TabBar->NextSelectedTabId ? payload_node->TabBar->NextSelectedTabId : payload_node->TabBar->SelectedTabId;
if (payload_node == NULL)
next_selected_id = payload_window->ID;
@ -10177,7 +10177,7 @@ void ImGui::DockContextProcessUndockWindow(ImGuiContext* ctx, ImGuiWindow* windo
void ImGui::DockContextProcessUndockNode(ImGuiContext* ctx, ImGuiDockNode* node)
{
(void)ctx;
IM_ASSERT(!node->IsSplitNode());
IM_ASSERT(node->IsLeafNode());
IM_ASSERT(node->Windows.Size >= 1);
// In the case of a root node or document root, the node will have to stay in place. Create a new node to receive the payload.
@ -10545,7 +10545,7 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
}
// Early out for hidden root dock nodes (when all DockId references are in inactive windows, or there is only 1 floating window holding on the DockId)
if (node->IsRootNode() && !node->IsSplitNode() && node->Windows.Size <= 1 && !node->IsDockSpace)
if (node->IsRootNode() && node->IsLeafNode() && node->Windows.Size <= 1 && !node->IsDockSpace)
{
if (node->Windows.Size == 1)
{
@ -10649,14 +10649,11 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
DockNodeStartMouseMovingWindow(node, node->HostWindow);
}
// Update active node (the one whose title bar is highlight) within a node tree
// Update focused node (the one whose title bar is highlight) within a node tree
if (node->IsSplitNode())
IM_ASSERT(node->TabBar == NULL);
if (node->IsRootNode())
{
//if (!node->IsSplitNode())
// node->LastFocusedNodeID = node->ID; // This also ensure on our creation frame we will receive the title screen highlight
//else
if (g.NavWindow && g.NavWindow->RootWindowDockStop->DockNode && g.NavWindow->RootWindowDockStop->ParentWindow == host_window)
node->LastFocusedNodeID = g.NavWindow->RootWindowDockStop->DockNode->ID;
}
@ -10679,7 +10676,7 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
{
// Background for empty nodes
if (node->Windows.Size == 0 && !node->IsSplitNode())
host_window->DrawList->AddRectFilled(node->Pos, node->Pos + node->Size, GetColorU32(ImGuiCol_DockingBg));
host_window->DrawList->AddRectFilled(node->Pos, node->Pos + node->Size, GetColorU32(ImGuiCol_DockingEmptyBg));
// Drop target
if (node->IsRootNode() && (g.MovingWindow == NULL || g.MovingWindow->RootWindow != host_window))
@ -11285,7 +11282,7 @@ void ImGui::DockNodeTreeUpdatePosSize(ImGuiDockNode* node, ImVec2 pos, ImVec2 si
{
node->Pos = pos;
node->Size = size;
if (!node->IsSplitNode())
if (node->IsLeafNode())
return;
ImGuiDockNode* child_0 = node->ChildNodes[0];
@ -11347,7 +11344,7 @@ void ImGui::DockNodeTreeUpdatePosSize(ImGuiDockNode* node, ImVec2 pos, ImVec2 si
static void DockNodeTreeUpdateSplitterFindTouchingNode(ImGuiDockNode* node, ImGuiAxis axis, int side, ImVector<ImGuiDockNode*>* touching_nodes)
{
if (!node->IsSplitNode())
if (node->IsLeafNode())
{
touching_nodes->push_back(node);
return;
@ -11362,7 +11359,7 @@ static void DockNodeTreeUpdateSplitterFindTouchingNode(ImGuiDockNode* node, ImGu
void ImGui::DockNodeTreeUpdateSplitter(ImGuiDockNode* node)
{
if (!node->IsSplitNode())
if (node->IsLeafNode())
return;
ImGuiContext& g = *GImGui;
@ -11483,7 +11480,7 @@ ImGuiDockNode* ImGui::DockNodeTreeFindNodeByPos(ImGuiDockNode* node, ImVec2 pos)
if (!inside)
return NULL;
if (!node->IsSplitNode())
if (node->IsLeafNode())
return node;
if (ImGuiDockNode* hovered_node = DockNodeTreeFindNodeByPos(node->ChildNodes[0], pos))
return hovered_node;
@ -11562,6 +11559,7 @@ void ImGui::DockSpace(ImGuiID id, const ImVec2& size_arg, ImGuiDockNodeFlags doc
ImGuiWindowFlags window_flags = ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_DockNodeHost;
window_flags |= ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoTitleBar;
window_flags |= ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse;
char title[256];
ImFormatString(title, IM_ARRAYSIZE(title), "%s/DockSpace_%08X", window->Name, id);
@ -11733,7 +11731,7 @@ ImGuiID ImGui::DockBuilderSplitNode(ImGuiContext* ctx, ImGuiID id, ImGuiDir spli
return 0;
}
IM_ASSERT(!node->IsSplitNode()); // Already Split
IM_ASSERT(!node->IsSplitNode()); // Assert if already Split
ImGuiDockRequest req;
req.Type = ImGuiDockRequestType_Split;
@ -11981,7 +11979,7 @@ void ImGui::BeginDocked(ImGuiWindow* window, bool* p_open)
}
IM_ASSERT(dock_node->HostWindow);
IM_ASSERT(!dock_node->IsSplitNode());
IM_ASSERT(dock_node->IsLeafNode());
// Position window
SetNextWindowPos(dock_node->Pos);

2
imgui.h
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@ -1015,7 +1015,7 @@ enum ImGuiCol_
ImGuiCol_TabUnfocused,
ImGuiCol_TabUnfocusedActive,
ImGuiCol_DockingPreview,
ImGuiCol_DockingBg, // Empty node
ImGuiCol_DockingEmptyBg, // Background color for empty node (e.g. DocRoot node with no window docked into it)
ImGuiCol_PlotLines,
ImGuiCol_PlotLinesHovered,
ImGuiCol_PlotHistogram,

2
imgui_demo.cpp
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@ -3765,10 +3765,8 @@ void ShowExampleAppDockSpace(bool* p_open)
ImGuiIO& io = ImGui::GetIO();
if (io.ConfigFlags & ImGuiConfigFlags_DockingEnable)
{
//ImGui::PushStyleColor(ImGuiCol_DockingBg, ImVec4(0.2f, 0.2f, 0.2f, 1.0f));
ImGuiID dockspace_id = ImGui::GetID("MyDockspace");
ImGui::DockSpace(dockspace_id);
//ImGui::PopStyleColor();
}
else
{

6
imgui_draw.cpp
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@ -211,7 +211,7 @@ void ImGui::StyleColorsDark(ImGuiStyle* dst)
colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_HeaderActive] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
colors[ImGuiCol_DockingBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@ -268,7 +268,7 @@ void ImGui::StyleColorsClassic(ImGuiStyle* dst)
colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_Header] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
colors[ImGuiCol_DockingBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
@ -326,7 +326,7 @@ void ImGui::StyleColorsLight(ImGuiStyle* dst)
colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_DockingPreview] = colors[ImGuiCol_Header] * ImVec4(1.0f, 1.0f, 1.0f, 0.7f);
colors[ImGuiCol_DockingBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.20f, 0.20f, 0.20f, 1.00f);;
colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);

1
imgui_internal.h
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@ -778,6 +778,7 @@ struct ImGuiDockNode
~ImGuiDockNode();
bool IsRootNode() const { return ParentNode == NULL; }
bool IsSplitNode() const { return ChildNodes[0] != NULL; }
bool IsLeafNode() const { return ChildNodes[0] == NULL; }
bool IsEmpty() const { return ChildNodes[0] == NULL && Windows.Size == 0; }
ImRect Rect() const { return ImRect(Pos.x, Pos.y, Pos.x + Size.x, Pos.y + Size.y); }
};