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Docking: Demo: Displaying a message if master docking flag is disabled. + DockSpace() early out + comments.

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This commit is contained in:
omar
2018-09-30 22:31:50 +02:00
parent 6ebc63d3ef
commit 9cfc40c2cc
3 changed files with 62 additions and 34 deletions
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89
imgui_demo.cpp
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@ -129,6 +129,16 @@ static void ShowHelpMarker(const char* desc)
}
}
static void ShowDockingDisabledMessage()
{
ImGuiIO& io = ImGui::GetIO();
ImGui::Text("ERROR: Docking is not enabled! See Demo > Configuration.");
ImGui::Text("Set io.ConfigFlags |= ImGuiConfigFlags_DockingEnable in your code, or ");
ImGui::SameLine(0.0f, 0.0f);
if (ImGui::SmallButton("click here"))
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
}
// Helper to display basic user controls.
void ImGui::ShowUserGuide()
{
@ -3752,10 +3762,18 @@ void ShowExampleAppDockSpace(bool* p_open)
ImGui::EndMenuBar();
}
//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();
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
{
ShowDockingDisabledMessage();
}
ImGui::End();
if (opt_fullscreen)
@ -3964,38 +3982,45 @@ void ShowExampleAppDocuments(bool* p_open)
}
else if (opt_target == Target_Window)
{
NotifyOfDocumentsClosedElsewhere(app);
// Create a DockSpace node where any window can be docked
ImGuiID dockspace_id = ImGui::GetID("MyDockSpace");
ImGui::DockSpace(dockspace_id);
// Create Windows
for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++)
if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_DockingEnable)
{
MyDocument* doc = &app.Documents[doc_n];
if (!doc->Open)
continue;
NotifyOfDocumentsClosedElsewhere(app);
// Create a DockSpace node where any window can be docked
ImGuiID dockspace_id = ImGui::GetID("MyDockSpace");
ImGui::DockSpace(dockspace_id);
// FIXME-DOCK: SetNextWindowDock()
//ImGuiID default_dock_id = GetDockspaceRootDocumentDockID();
//ImGuiID default_dock_id = GetDockspacePreferedDocumentDockID();
ImGui::SetNextWindowDockId(dockspace_id, redock_all ? ImGuiCond_Always : ImGuiCond_FirstUseEver);
ImGuiWindowFlags window_flags = (doc->Dirty ? ImGuiWindowFlags_UnsavedDocument : 0);
bool visible = ImGui::Begin(doc->Name, &doc->Open, window_flags);
// Cancel attempt to close when unsaved add to save queue so we can display a popup.
if (!doc->Open && doc->Dirty)
// Create Windows
for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++)
{
doc->Open = true;
doc->DoQueueClose();
MyDocument* doc = &app.Documents[doc_n];
if (!doc->Open)
continue;
// FIXME-DOCK: SetNextWindowDock()
//ImGuiID default_dock_id = GetDockspaceRootDocumentDockID();
//ImGuiID default_dock_id = GetDockspacePreferedDocumentDockID();
ImGui::SetNextWindowDockId(dockspace_id, redock_all ? ImGuiCond_Always : ImGuiCond_FirstUseEver);
ImGuiWindowFlags window_flags = (doc->Dirty ? ImGuiWindowFlags_UnsavedDocument : 0);
bool visible = ImGui::Begin(doc->Name, &doc->Open, window_flags);
// Cancel attempt to close when unsaved add to save queue so we can display a popup.
if (!doc->Open && doc->Dirty)
{
doc->Open = true;
doc->DoQueueClose();
}
MyDocument::DisplayContextMenu(doc);
if (visible)
MyDocument::DisplayContents(doc);
ImGui::End();
}
MyDocument::DisplayContextMenu(doc);
if (visible)
MyDocument::DisplayContents(doc);
ImGui::End();
}
else
{
ShowDockingDisabledMessage();
}
}