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Enable ImGui context selection

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This commit is contained in:
Dan Paulat 2022-11-28 00:20:31 -06:00
parent 9684aa4cdc
commit f27e2534a7
6 changed files with 76 additions and 14 deletions
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27
scwx-qt/source/scwx/qt/ui/imgui_debug_widget.cpp
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@ -1,6 +1,8 @@
#include <scwx/qt/ui/imgui_debug_widget.hpp>
#include <scwx/qt/model/imgui_context_model.hpp>
#include <set>
#include <imgui.h>
#include <backends/imgui_impl_opengl3.h>
#include <backends/imgui_impl_qt.hpp>
@ -24,6 +26,7 @@ public:
contextName_ = std::format("ImGui Debug {}", ++currentIndex_);
context_ =
model::ImGuiContextModel::Instance().CreateContext(contextName_);
currentContext_ = context_;
// Initialize ImGui Qt backend
ImGui_ImplQt_Init();
@ -50,8 +53,10 @@ public:
ImGuiContext* context_;
std::string contextName_;
bool firstRender_ {true};
bool imGuiRendererInitialized_ {false};
ImGuiContext* currentContext_;
std::set<ImGuiContext*> renderedSet_ {};
bool imGuiRendererInitialized_ {false};
};
ImGuiDebugWidget::ImGuiDebugWidget(QWidget* parent) :
@ -63,6 +68,17 @@ ImGuiDebugWidget::ImGuiDebugWidget(QWidget* parent) :
ImGuiDebugWidget::~ImGuiDebugWidget() {}
std::string ImGuiDebugWidget::context_name() const
{
return p->contextName_;
}
void ImGuiDebugWidget::set_current_context(ImGuiContext* context)
{
p->currentContext_ = context;
update();
}
void ImGuiDebugWidget::initializeGL()
{
makeCurrent();
@ -75,14 +91,14 @@ void ImGuiDebugWidget::initializeGL()
void ImGuiDebugWidget::paintGL()
{
ImGui::SetCurrentContext(p->context_);
ImGui::SetCurrentContext(p->currentContext_);
ImGui_ImplQt_NewFrame(this);
ImGui_ImplOpenGL3_NewFrame();
ImGui::NewFrame();
if (p->firstRender_)
if (!p->renderedSet_.contains(p->currentContext_))
{
// Set initial position of demo window
ImGui::SetNextWindowPos(ImVec2 {width() / 2.0f, height() / 2.0f},
@ -91,7 +107,8 @@ void ImGuiDebugWidget::paintGL()
ImGui::Begin("Dear ImGui Demo");
ImGui::End();
p->firstRender_ = false;
p->renderedSet_.insert(p->currentContext_);
update();
}
ImGui::ShowDemoWindow();