#ifndef MSP_GLTK_DIALOG_H_
#define MSP_GLTK_DIALOG_H_
+#include "mspgltk_api.h"
#include "panel.h"
namespace Msp {
/**
A Dialog is used for temporary interaction with the user. When any of the
-Dialog's action buttons are clicked, it will emit a signal and delete itself.
+Dialog's action buttons are clicked, it will emit a signal and hide itself.
*/
-class Dialog: public Panel
+class MSPGLTK_API Dialog: public Panel
{
public:
- class Loader: public DataFile::DerivedObjectLoader<Dialog, Panel::Loader>
+ class MSPGLTK_API Loader: public DataFile::DerivedObjectLoader<Dialog, Panel::Loader>
{
public:
Loader(Dialog &, WidgetMap &);
+
private:
void action_button(const std::string &, int);
};
sigc::signal<void, int> signal_response;
-private:
- bool stale;
-
-public:
- Dialog();
-
- virtual const char *get_class() const { return "dialog"; }
+ const char *get_class() const override { return "dialog"; }
/** Adds an action button to the dialog. Pressing the button will invoke
response handlers and delete the dialog. */
void add_button(Button &, int);
- virtual void button_release(int, int, unsigned);
- virtual bool key_release(unsigned, unsigned);
+ /** Sets the modality of the dialog. When modal, the user can't navigate
+ away from the dialog. */
+ void set_modal(bool);
+
protected:
void response(int);
virtual void on_response(int) { }
};
+
+/**
+A dialog which automatically deletes itself after being responded to.
+*/
+template<typename D>
+class MSPGLTK_API AutoDialog: public D
+{
+private:
+ struct StaleChecker
+ {
+ AutoDialog *dialog;
+
+ StaleChecker(AutoDialog &d): dialog(&d) { }
+ ~StaleChecker() { if(dialog->stale) delete dialog; }
+ };
+
+ bool stale = false;
+
+ template<typename... Args>
+ AutoDialog(Args &&... args): D(std::forward<Args>(args)...) { }
+
+public:
+ // Ensure that AutoDialog is always created with new.
+ template<typename... Args>
+ static AutoDialog *create(Args &&... args) { return new AutoDialog(std::forward<Args>(args)...); }
+
+ void button_release(int x, int y, unsigned b) override { StaleChecker sc(*this); D::button_release(x, y, b); }
+ bool key_release(unsigned k, unsigned m) override { StaleChecker sc(*this); return D::key_release(k, m); }
+ bool navigate(Navigation n) override { StaleChecker sc(*this); return D::navigate(n); }
+
+protected:
+ void on_response(int c) override { D::on_response(c); stale = true; }
+};
+
} // namespace GLtk
} // namespace Msp