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Docking: Added ImGuiDockNodeFlags_NoTabBar (not exposed publicly). (#2423, #2109)

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This commit is contained in:
omar 2019-03-27 20:44:49 +01:00
parent fc95da8aa3
commit 5a665e423c
2 changed files with 20 additions and 14 deletions
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28
imgui.cpp
View File

@ -5814,8 +5814,8 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->DrawList->AddLine(menu_bar_rect.GetBL(), menu_bar_rect.GetBR(), GetColorU32(ImGuiCol_Border), style.FrameBorderSize);
}
// Docking: Unhide tab bar
if (window->DockNode && window->DockNode->IsHiddenTabBar())
// Docking: Unhide tab bar (small triangle in the corner)
if (window->DockNode && window->DockNode->IsHiddenTabBar() && !window->DockNode->IsNoTabBar())
{
float unhide_sz_draw = ImFloor(g.FontSize * 0.70f);
float unhide_sz_hit = ImFloor(g.FontSize * 0.55f);
@ -11247,7 +11247,7 @@ void ImGui::DockContextProcessDock(ImGuiContext* ctx, ImGuiDockRequest* req)
{
if (target_node->Windows.Size > 0)
{
// We can dock into a node that already has windows _only_ if our payload is a node tree with a single visible node.
// We can dock a split payload into a node that already has windows _only_ if our payload is a node tree with a single visible node.
// In this situation, we move the windows of the target node into the currently visible node of the payload.
// This allows us to preserve some of the underlying dock tree settings nicely.
IM_ASSERT(payload_node->OnlyNodeWithWindows != NULL); // The docking should have been blocked by DockNodePreviewDockCalc() early on and never submitted.
@ -11725,6 +11725,10 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
}
}
// Remove tab bar if not needed
if (node->TabBar && node->IsNoTabBar())
DockNodeRemoveTabBar(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->Windows.Size <= 1 && node->IsRootNode() && node->IsLeafNode() && !node->IsDockSpace() && !g.IO.ConfigDockingTabBarOnSingleWindows)
{
@ -12011,7 +12015,7 @@ static void ImGui::DockNodeUpdateTabBar(ImGuiDockNode* node, ImGuiWindow* host_w
is_focused = true;
// Hidden tab bar will show a triangle on the upper-left (in Begin)
if (node->IsHiddenTabBar())
if (node->IsHiddenTabBar() || node->IsNoTabBar())
{
node->VisibleWindow = (node->Windows.Size > 0) ? node->Windows[0] : NULL;
node->IsFocused = is_focused;
@ -12473,7 +12477,7 @@ static void ImGui::DockNodePreviewDockRender(ImGuiWindow* host_window, ImGuiDock
ImVec2 tab_pos = tab_bar_rect.Min;
if (host_node && host_node->TabBar)
{
if (!host_node->IsHiddenTabBar())
if (!host_node->IsHiddenTabBar() && !host_node->IsNoTabBar())
tab_pos.x += host_node->TabBar->OffsetMax + g.Style.ItemInnerSpacing.x; // We don't use OffsetNewTab because when using non-persistent-order tab bar it is incremented with each Tab submission.
else
tab_pos.x += g.Style.ItemInnerSpacing.x + TabItemCalcSize(host_node->Windows[0]->Name, host_node->Windows[0]->HasCloseButton).x;
@ -13195,6 +13199,7 @@ void ImGui::DockBuilderRemoveNodeDockedWindows(ImGuiID root_id, bool clear_persi
}
}
// FIXME-DOCK: We are not exposing nor using split_outer.
ImGuiID ImGui::DockBuilderSplitNode(ImGuiID id, ImGuiDir split_dir, float size_ratio_for_node_at_dir, ImGuiID* out_id_at_dir, ImGuiID* out_id_other)
{
ImGuiContext* ctx = GImGui;
@ -13511,7 +13516,7 @@ void ImGui::BeginDocked(ImGuiWindow* window, bool* p_open)
// Update window flag
IM_ASSERT((window->Flags & ImGuiWindowFlags_ChildWindow) == 0);
window->Flags |= ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_AlwaysUseWindowPadding | ImGuiWindowFlags_NoResize;
if (node->IsHiddenTabBar())
if (node->IsHiddenTabBar() || node->IsNoTabBar())
window->Flags |= ImGuiWindowFlags_NoTitleBar;
else
window->Flags &= ~ImGuiWindowFlags_NoTitleBar; // Clear the NoTitleBar flag in case the user set it: confusingly enough we need a title bar height so we are correctly offset, but it won't be displayed!
@ -13577,7 +13582,7 @@ void ImGui::BeginAsDockableDragDropTarget(ImGuiWindow* window)
else
allow_null_target_node = true; // Dock into a regular window
const ImRect explicit_target_rect = (target_node && target_node->TabBar && !target_node->IsHiddenTabBar()) ? target_node->TabBar->BarRect : ImRect(window->Pos, window->Pos + ImVec2(window->Size.x, GetFrameHeight()));
const ImRect explicit_target_rect = (target_node && target_node->TabBar && !target_node->IsHiddenTabBar() && !target_node->IsNoTabBar()) ? target_node->TabBar->BarRect : ImRect(window->Pos, window->Pos + ImVec2(window->Size.x, GetFrameHeight()));
const bool is_explicit_target = g.IO.ConfigDockingWithShift || IsMouseHoveringRect(explicit_target_rect.Min, explicit_target_rect.Max);
// Preview docking request and find out split direction/ratio
@ -14209,14 +14214,13 @@ void ImGui::ShowDockingDebug()
ImGui::BulletText("Pos (%.0f,%.0f), Size (%.0f, %.0f) Ref (%.0f, %.0f)",
node->Pos.x, node->Pos.y, node->Size.x, node->Size.y, node->SizeRef.x, node->SizeRef.y);
ImGui::BulletText("VisibleWindow: 0x%08X %s", node->VisibleWindow ? node->VisibleWindow->ID : 0, node->VisibleWindow ? node->VisibleWindow->Name : "NULL");
ImGui::BulletText("SelectedTabID: 0x%08X", node->SelectedTabID);
ImGui::BulletText("LastFocusedNodeID: 0x%08X", node->LastFocusedNodeID);
if (ImGui::TreeNode("flags", "SharedFlags 0x%03X NodeFlags 0x%03X%s%s%s%s",
node->SharedFlags, node->LocalFlags, node->IsDockSpace() ? ", IsDockSpace" : "", node->IsCentralNode() ? ", IsCentralNode" : "",
(g.FrameCount - node->LastFrameAlive < 2) ? ", IsAlive" : "", (g.FrameCount - node->LastFrameActive < 2) ? ", IsActive" : ""))
ImGui::BulletText("SelectedTabID: 0x%08X, LastFocusedNodeID: 0x%08X", node->SelectedTabID, node->LastFocusedNodeID);
ImGui::BulletText("Misc:%s%s%s%s", node->IsDockSpace() ? " IsDockSpace" : "", node->IsCentralNode() ? " IsCentralNode" : "", (g.FrameCount - node->LastFrameAlive < 2) ? " IsAlive" : "", (g.FrameCount - node->LastFrameActive < 2) ? " IsActive" : "");
if (ImGui::TreeNode("flags", "LocalFlags: 0x%04X SharedFlags: 0x%04X", node->LocalFlags, node->SharedFlags))
{
ImGui::CheckboxFlags("LocalFlags: NoSplit", (unsigned int*)&node->LocalFlags, ImGuiDockNodeFlags_NoSplit);
ImGui::CheckboxFlags("LocalFlags: NoResize", (unsigned int*)&node->LocalFlags, ImGuiDockNodeFlags_NoResize);
ImGui::CheckboxFlags("LocalFlags: NoTabBar", (unsigned int*)&node->LocalFlags, ImGuiDockNodeFlags_NoTabBar);
ImGui::CheckboxFlags("LocalFlags: HiddenTabBar",(unsigned int*)&node->LocalFlags, ImGuiDockNodeFlags_HiddenTabBar);
ImGui::TreePop();
}

6
imgui_internal.h
View File

@ -854,9 +854,10 @@ enum ImGuiDockNodeFlagsPrivate_
// [Internal]
ImGuiDockNodeFlags_DockSpace = 1 << 10, // Local // A dockspace is a node that occupy space within an existing user window. Otherwise the node is floating and create its own window.
ImGuiDockNodeFlags_CentralNode = 1 << 11, // Local
ImGuiDockNodeFlags_NoTabBar = 1 << 12, // Local // Tab bar is completely unavailable. No triangle in the corner to enable it back.
ImGuiDockNodeFlags_HiddenTabBar = 1 << 13, // Local // Tab bar is hidden, with a triangle in the corner to show it again (NB: actual tab-bar instance may be destroyed as this is only used for single-window tab bar)
ImGuiDockNodeFlags_SharedFlagsInheritMask_ = ~0,
ImGuiDockNodeFlags_LocalFlagsMask_ = ImGuiDockNodeFlags_NoSplit | ImGuiDockNodeFlags_NoResize | ImGuiDockNodeFlags_AutoHideTabBar | ImGuiDockNodeFlags_DockSpace | ImGuiDockNodeFlags_CentralNode | ImGuiDockNodeFlags_HiddenTabBar,
ImGuiDockNodeFlags_LocalFlagsMask_ = ImGuiDockNodeFlags_NoSplit | ImGuiDockNodeFlags_NoResize | ImGuiDockNodeFlags_AutoHideTabBar | ImGuiDockNodeFlags_DockSpace | ImGuiDockNodeFlags_CentralNode | ImGuiDockNodeFlags_NoTabBar | ImGuiDockNodeFlags_HiddenTabBar,
ImGuiDockNodeFlags_LocalFlagsTransferMask_ = ImGuiDockNodeFlags_LocalFlagsMask_ & ~ImGuiDockNodeFlags_DockSpace // When splitting those flags are moved to the inheriting child, never duplicated
};
@ -911,7 +912,8 @@ struct ImGuiDockNode
bool IsRootNode() const { return ParentNode == NULL; }
bool IsDockSpace() const { return (LocalFlags & ImGuiDockNodeFlags_DockSpace) != 0; }
bool IsCentralNode() const { return (LocalFlags & ImGuiDockNodeFlags_CentralNode) != 0; }
bool IsHiddenTabBar() const { return (LocalFlags & ImGuiDockNodeFlags_HiddenTabBar) != 0; }
bool IsHiddenTabBar() const { return (LocalFlags & ImGuiDockNodeFlags_HiddenTabBar) != 0; } // Hidden tab bar can be shown back by clicking the small triangle
bool IsNoTabBar() const { return (LocalFlags & ImGuiDockNodeFlags_NoTabBar) != 0; } // Never show a tab bar
bool IsSplitNode() const { return ChildNodes[0] != NULL; }
bool IsLeafNode() const { return ChildNodes[0] == NULL; }
bool IsEmpty() const { return ChildNodes[0] == NULL && Windows.Size == 0; }