75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2022 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*
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* @modified Tom Clay, 2026 - Adapted for ReXGlue runtime
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*/
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#ifndef REX_UI_IMGUI_DIALOG_H_
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#define REX_UI_IMGUI_DIALOG_H_
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#include <memory>
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#include <vector>
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#include <rex/thread.h>
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#include <rex/ui/imgui_drawer.h>
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#include <rex/ui/window_listener.h>
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struct ImGuiIO;
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namespace rex {
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namespace ui {
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class ImGuiDialog {
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public:
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~ImGuiDialog();
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// Shows a simple message box containing a text message.
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// Callers can want for the dialog to close with Wait().
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// Dialogs retain themselves and will delete themselves when closed.
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static ImGuiDialog* ShowMessageBox(ImGuiDrawer* imgui_drawer, std::string title,
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std::string body);
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// A fence to signal when the dialog is closed.
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void Then(rex::thread::Fence* fence);
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void Draw();
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// Whether the dialog needs the UI to repaint continuously while it's open
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// (interactive dialogs - input handling, animations). Passive readouts
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// should return false so they only repaint when something else (such as a
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// new guest output frame) triggers a paint - a continuous repaint loop
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// presents without new guest frames, inflating externally measured FPS and
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// burning CPU/GPU.
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virtual bool WantsContinuousRepaint() const { return true; }
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protected:
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ImGuiDialog(ImGuiDrawer* imgui_drawer);
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ImGuiDrawer* imgui_drawer() const { return imgui_drawer_; }
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ImGuiIO& GetIO();
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void SetDrawActive(bool active);
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bool IsDrawActive() const { return is_draw_active_; }
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// Closes the dialog and returns to any waiters.
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void Close();
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virtual void OnShow() {}
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virtual void OnClose() {}
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virtual void OnDraw(ImGuiIO& io) { (void)io; }
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private:
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ImGuiDrawer* imgui_drawer_ = nullptr;
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bool is_draw_active_ = true;
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bool has_close_pending_ = false;
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std::vector<rex::thread::Fence*> waiting_fences_;
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};
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} // namespace ui
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} // namespace rex
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#endif // REX_UI_IMGUI_DIALOG_H_
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