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Make gui views a stack

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This commit is contained in:
simon.kagstrom 2009-12-04 20:45:17 +00:00
parent 2b77141e20
commit 688a18721b
2 changed files with 30 additions and 4 deletions
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27
frodo_menu.cpp
View File

@ -74,6 +74,7 @@ public:
virtual void escapeCallback(int which)
{
printf("entry %d escaped: %s\n", which, this->pp_msgs[which]);
this->parent->parent->resetViewStack();
}
private:
@ -166,7 +167,7 @@ Gui::Gui()
/* Create the views */
MainView *mv = new MainView(this);
this->registerView(mv);
this->pushView(mv);
this->cur_view = mv;
}
@ -227,7 +228,8 @@ void Gui::runLogic(void)
this->cur_view->runLogic();
}
void Gui::registerView(GuiView *view)
void Gui::pushView(GuiView *view)
{
int cur = this->n_views;
@ -237,6 +239,27 @@ void Gui::registerView(GuiView *view)
this->views[cur] = view;
}
GuiView *Gui::popView()
{
this->n_views--;
if (this->n_views <= 0)
{
this->n_views = 0;
free(this->views);
return NULL;
}
this->views = (GuiView**)xrealloc(this->views,
sizeof(GuiView*) * this->n_views);
return this->views[this->n_views - 1];
}
void Gui::resetViewStack()
{
free(this->views);
this->views = NULL;
}
void Gui::pushEvent(SDL_Event *ev)
{
if (this->is_active)

7
frodo_menu.hh
View File

@ -24,7 +24,6 @@ public:
virtual void draw(SDL_Surface *where) = 0;
protected:
Gui *parent;
};
@ -47,7 +46,11 @@ public:
void draw(SDL_Surface *where);
void registerView(GuiView *view);
void pushView(GuiView *view);
GuiView *popView();
void resetViewStack();
/* These are private, keep off! */
const char *getThemePath(const char *dir, const char *what);