Comments (8)
You should pass a size to
DockSpace()
to correctly leave room for a tab bar, otherwise by defaultDockSpace()
will use all remaining space. Probably the right size to use is ImVec2(0.0f, -ImGui::GetFrameHeightWithSpacing())`.
It fixes the problem with unwanted scrollbars. Now I can see tabs at the bottom of the screen without scrolling
from imgui.
You should pass a size to DockSpace()
to correctly leave room for a tab bar, otherwise by default DockSpace()
will use all remaining space.
Probably the right size to use is ImVec2(0.0f, -ImGui::GetFrameHeightWithSpacing())`.
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If you want the tab bar to be above the DockSpace() then submit the tab-bar before the DockSpace().
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When I submit tabbar along with all sub windows before I define dockspace and its settings, it breaks. Tabs are shown in expected position but windows are floating and not docked to anything
from imgui.
Oh, I got your point. I can read BeginTabBar
into a bool variable, then define dockspace and only then define actual windows
from imgui.
I cannot understand your question without actual code.
Dockspace needs to be submitted before any window that may be docked into it.
see Examples->Documents for an example.
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Yeah, thanks, I've figured out how to make tab bar right way
I used this approach in Imgui
// MenuBar
// Dockspace
if (BeginTabBar()) {
// Draw windows
}
But instead I needed to use this one
// MenuBar
bool tabBarStarted = BeginTabBar();
// Dockspace
if (tabBarStarted) {
// Draw windows
}
from imgui.
I think the right pattern you may be looking for is:
if (BeginTabBar(....)
{
DockSpace(...);
DrawWindows();
EndTabBar();
}
else
{
DockSpace(..., ImGuiDockNodeFlags_KeepAliveOnly);
}
Keeping the dockspace alive ensure windows don't get undocked if other windows than DrawWindows() are docked into this DockSpace(). Otherwise if a DockSpace() stops being alive, all its windows will get undocked.
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