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87 lines
3.5 KiB
C++
87 lines
3.5 KiB
C++
#ifndef slic3r_GUI_PluginWebDialog_hpp_
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#define slic3r_GUI_PluginWebDialog_hpp_
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#include "Widgets/WebViewHostDialog.hpp"
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#include <functional>
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#include <optional>
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#include <string>
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#include <nlohmann/json.hpp>
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#include <wx/webview.h>
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namespace Slic3r { namespace GUI {
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// A host-owned webview window that renders plugin-supplied raw HTML and bridges
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// messages to/from the page through a small injected `window.orca` API.
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//
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// This class is deliberately Python-agnostic: it talks to the plugin layer only
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// through std::function hooks. Those hooks must NOT capture bare pybind11
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// objects, because the dialog can be destroyed on the main thread without the
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// GIL held; the plugin layer wraps any Python callables in a GIL-safe holder.
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//
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// Usable both modally (ShowModal -> read result()) and modelessly (Show()).
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class PluginWebDialog : public Slic3r::GUI::WebViewHostDialog
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{
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public:
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using MessageHandler = std::function<void(const nlohmann::json& data)>;
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using SubmitHandler = std::function<void(const nlohmann::json& data)>;
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using CloseHandler = std::function<void()>;
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// on_submit fires once for window.orca.submit(). on_close fires only on a
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// user/JS-initiated close (while the window is alive). on_destroyed runs from
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// the destructor on every path and must touch host-side state only (no Python
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// / no derived members).
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PluginWebDialog(wxWindow* parent,
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const wxString& title,
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const std::string& html,
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const wxSize& size,
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MessageHandler on_message,
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SubmitHandler on_submit,
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CloseHandler on_close,
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CloseHandler on_destroyed,
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long wx_style = wxSYSTEM_MENU | wxCAPTION | wxCLOSE_BOX | wxMAXIMIZE_BOX | wxRESIZE_BORDER);
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~PluginWebDialog() override;
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static void post_message(PluginWebDialog* dialog, const nlohmann::json& data);
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static void request_close(PluginWebDialog* dialog);
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static void destroy_for_plugin(PluginWebDialog* dialog);
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// Push a payload to the page; delivered to handlers registered via
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// window.orca.onMessage(). MAIN-THREAD ONLY (the plugin layer marshals).
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void push_message(const nlohmann::json& data);
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bool is_open() const { return m_open; }
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// The payload submitted via window.orca.submit() (modal use), if any.
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const std::optional<nlohmann::json>& result() const { return m_result; }
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protected:
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void on_script_message(const nlohmann::json& payload) override;
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// Plugin HTML is loaded as a raw string, not a localized resource URL.
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bool append_language_to_url() const override { return false; }
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void add_user_scripts() override;
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private:
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void on_bootstrap_event(wxWebViewEvent& event);
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void load_plugin_content();
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void on_close_window(wxCloseEvent& event);
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void fire_submit(const nlohmann::json& data);
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void fire_close();
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void finish(bool submitted, const nlohmann::json& data);
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std::string m_html;
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bool m_content_loaded{false};
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bool m_open{true};
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bool m_close_fired{false};
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std::optional<nlohmann::json> m_result;
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MessageHandler m_on_message;
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SubmitHandler m_on_submit;
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CloseHandler m_on_close;
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CloseHandler m_on_destroyed;
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};
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}} // namespace Slic3r::GUI
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#endif // slic3r_GUI_PluginWebDialog_hpp_
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