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Added DockSpaceOverViewport() call, not sure about this because of the menu bar limitation. (#2109)

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This commit is contained in:
omar 2018-10-25 15:34:53 +02:00
parent 56ba60ee68
commit c547b2e8ee
3 changed files with 37 additions and 1 deletions
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35
imgui.cpp
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@ -11711,6 +11711,41 @@ void ImGui::DockSpace(ImGuiID id, const ImVec2& size_arg, ImGuiDockNodeFlags doc
End();
}
// Tips: Use with ImGuiDockNodeFlags_PassthruDockspace!
// The limitation with this call is that your window won't have a menu bar.
// Even though we could pass window flags, it would also require the user to be able to call BeginMenuBar() somehow meaning we can't Begin/End in a single function.
// So if you want a menu bar you need to repeat this code manually ourselves. As with advanced other Docking API, we may change this function signature.
ImGuiID ImGui::DockSpaceOverViewport(ImGuiViewport* viewport, ImGuiDockNodeFlags dockspace_flags, const ImGuiDockFamily* dock_family)
{
if (viewport == NULL)
viewport = GetMainViewport();
SetNextWindowPos(viewport->Pos);
SetNextWindowSize(viewport->Size);
SetNextWindowViewport(viewport->ID);
ImGuiWindowFlags host_window_flags = 0;
host_window_flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDocking;
host_window_flags |= ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoNavFocus;
if (dockspace_flags & ImGuiDockNodeFlags_PassthruDockspace)
host_window_flags |= ImGuiWindowFlags_NoBackground;
char label[32];
ImFormatString(label, IM_ARRAYSIZE(label), "DockspaceViewport_%08X", viewport->ID);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
ImGui::Begin(label, NULL, host_window_flags);
ImGui::PopStyleVar(3);
ImGuiID dockspace_id = ImGui::GetID("Dockspace");
ImGui::DockSpace(dockspace_id, ImVec2(0.0f, 0.0f), dockspace_flags, dock_family);
ImGui::End();
return dockspace_id;
}
//-----------------------------------------------------------------------------
// Docking: Builder Functions
//-----------------------------------------------------------------------------

1
imgui.h
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@ -528,6 +528,7 @@ namespace ImGui
// To dock windows: hold SHIFT anywhere while moving windows (if io.ConfigDockingWithShift == true) or drag windows from their title bar (if io.ConfigDockingWithShift = false)
// Use DockSpace() to create an explicit dock node _within_ an existing window. See Docking demo for details.
IMGUI_API void DockSpace(ImGuiID id, const ImVec2& size = ImVec2(0, 0), ImGuiDockNodeFlags flags = 0, const ImGuiDockFamily* dock_family = NULL);
IMGUI_API ImGuiID DockSpaceOverViewport(ImGuiViewport* viewport = NULL, ImGuiDockNodeFlags dockspace_flags = 0, const ImGuiDockFamily* dock_family = NULL);
IMGUI_API void SetNextWindowDockId(ImGuiID dock_id, ImGuiCond cond = 0); // set next window dock id (FIXME-DOCK)
IMGUI_API void SetNextWindowDockFamily(const ImGuiDockFamily* dock_family); // set next window user type (docking filters by same user_type)
IMGUI_API ImGuiID GetWindowDockId();

2
imgui_demo.cpp
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@ -3768,7 +3768,7 @@ void ShowExampleAppDockSpace(bool* p_open)
// When using ImGuiDockNodeFlags_PassthruDockspace, DockSpace() will render our background and handle the pass-thru hole, so we ask Begin() to not render a background.
if (opt_flags & ImGuiDockNodeFlags_PassthruDockspace)
ImGui::SetNextWindowBgAlpha(0.0f);
window_flags |= ImGuiWindowFlags_NoBackground;
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
ImGui::Begin("DockSpace Demo", p_open, window_flags);