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Begin: WIP consistent Begin/End behavior, docking bits

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This commit is contained in:
ocornut 2020-10-19 14:09:34 +02:00
parent 1848480798
commit 698743c849
2 changed files with 20 additions and 9 deletions
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23
imgui.cpp
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@ -13270,8 +13270,10 @@ static void ImGui::DockNodeUpdate(ImGuiDockNode* node)
window_flags |= ImGuiWindowFlags_NoTitleBar;
PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
Begin(window_label, NULL, window_flags);
bool ret = Begin(window_label, NULL, window_flags);
PopStyleVar();
IM_UNUSED(ret);
IM_ASSERT(ret); // FIXME-NEWBEGIN
beginned_into_host_window = true;
node->HostWindow = host_window = g.CurrentWindow;
@ -13454,7 +13456,8 @@ bool ImGui::DockNodeBeginAmendTabBar(ImGuiDockNode* node)
return false;
if (node->SharedFlags & ImGuiDockNodeFlags_KeepAliveOnly)
return false;
Begin(node->HostWindow->Name);
if (!Begin(node->HostWindow->Name))
return false;
PushOverrideID(node->ID);
bool ret = BeginTabBarEx(node->TabBar, node->TabBar->BarRect, node->TabBar->Flags, node);
IM_ASSERT(ret);
@ -14541,10 +14544,12 @@ void ImGui::DockSpace(ImGuiID id, const ImVec2& size_arg, ImGuiDockNodeFlags fla
if (node->Windows.Size > 0 || node->IsSplitNode())
PushStyleColor(ImGuiCol_ChildBg, IM_COL32(0, 0, 0, 0));
PushStyleVar(ImGuiStyleVar_ChildBorderSize, 0.0f);
Begin(title, NULL, window_flags);
bool ret = Begin(title, NULL, window_flags);
PopStyleVar();
if (node->Windows.Size > 0 || node->IsSplitNode())
PopStyleColor();
if (!ret)
return; // FIXME-NEWBEGIN
ImGuiWindow* host_window = g.CurrentWindow;
host_window->DockNodeAsHost = node;
@ -14595,12 +14600,16 @@ ImGuiID ImGui::DockSpaceOverViewport(ImGuiViewport* viewport, ImGuiDockNodeFlags
PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
Begin(label, NULL, host_window_flags);
bool ret = Begin(label, NULL, host_window_flags);
PopStyleVar(3);
ImGuiID dockspace_id = GetID("DockSpace");
DockSpace(dockspace_id, ImVec2(0.0f, 0.0f), dockspace_flags, window_class);
End();
// FIXME-NEWBEGIN: KeepAlive if not visible?
if (ret)
{
DockSpace(dockspace_id, ImVec2(0.0f, 0.0f), dockspace_flags, window_class);
End();
}
return dockspace_id;
}

6
imgui_demo.cpp
View File

@ -7227,12 +7227,14 @@ void ShowExampleAppDockSpace(bool* p_open)
// any change of dockspace/settings would lead to windows being stuck in limbo and never being visible.
if (!opt_padding)
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
ImGui::Begin("DockSpace Demo", p_open, window_flags);
bool ret = ImGui::Begin("DockSpace Demo", p_open, window_flags);
if (!opt_padding)
ImGui::PopStyleVar();
if (opt_fullscreen)
ImGui::PopStyleVar(2);
if (!ret)
return; // FIXME-NEWBEGIN: KeepAlive?
// DockSpace
ImGuiIO& io = ImGui::GetIO();