* The SFG_Structure container holds information about windows and menus
* created between glutInit() and glutMainLoop() return.
*/
-SFG_Structure fgStructure;
+
+SFG_Structure fgStructure = { { NULL, NULL }, /* The list of windows */
+ { NULL, NULL }, /* The list of menus */
+ NULL, /* The current window */
+ NULL, /* The current menu */
+ NULL, /* The menu OpenGL context */
+ NULL, /* The game mode window */
+ 0, /* The current new window ID */
+ 0 }; /* The current new menu ID */
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
/*
* Have the window object created
*/
- SFG_Window* window = calloc( sizeof(SFG_Window), 1 );
+ SFG_Window *window = (SFG_Window *)calloc( sizeof(SFG_Window), 1 );
int fakeArgc = 0;
/*
window->State.Modifiers = 0xffffffff;
/*
+ * If this window is a menu, set IsMenu in the structure
+ */
+ window->IsMenu = fgState.BuildingAMenu ;
+
+ /*
* Open the window now. The fgOpenWindow() function is system
* dependant, and resides in freeglut_window.c. Uses fgState.
*/
*/
SFG_Menu* fgCreateMenu( FGCBmenu menuCallback )
{
+ int x = 100, y = 100, w = 100, h = 100 ;
+ SFG_Window *current_window = fgStructure.Window ;
+
/*
* Have the menu object created
*/
- SFG_Menu* menu = calloc( sizeof(SFG_Menu), 1 );
+ SFG_Menu* menu = (SFG_Menu *)calloc( sizeof(SFG_Menu), 1 );
int fakeArgc = 0;
/*
if( !fgState.Time.Set )
glutInit( &fakeArgc, NULL );
+ menu->ParentWindow = fgStructure.Window ;
+
+ /*
+ * Create a window for the menu to reside in. Set the
+ * global variable BuildingAMenu to true so we can ensure
+ * it is created without decorations.
+ */
+ fgState.BuildingAMenu = TRUE ;
+
+ fgCreateWindow ( NULL, NULL, x, y, w, h, FALSE ) ;
+ menu->Window = fgStructure.Window ;
+ glutDisplayFunc ( fgDisplayMenu ) ;
+
+ /*
+ * While BuildingAMenu is true, all windows built have no decorations. That's
+ * not a good default behavior, so let's set it false again.
+ */
+ fgState.BuildingAMenu = FALSE ;
+
+ glutHideWindow () ; /* Hide the window for now */
+ fgSetWindow ( current_window ) ;
+
/*
* Initialize the object properties:
*/
menu->ID = ++fgStructure.MenuID;
menu->Callback = menuCallback;
+ menu->ActiveEntry = NULL ;
/*
* Initialize the entries list
void fgDestroyWindow( SFG_Window* window, GLboolean needToClose )
{
SFG_Window* subWindow;
+ int menu_index ;
assert( window != NULL );
freeglut_assert_ready;
/*
* Does this window have any subwindows?
*/
- while ( (subWindow = window->Children.First) != NULL )
+ while ( (subWindow = (SFG_Window *)window->Children.First) != NULL )
{
/*
* Destroy the first window in the list (possibly destroying
if ( window->Callbacks.Destroy != NULL )
{
SFG_Window *activeWindow = fgStructure.Window ;
- fgStructure.Window = window ;
+ fgSetWindow ( window ) ;
window->Callbacks.Destroy () ;
- fgStructure.Window = activeWindow ;
+ fgSetWindow ( activeWindow ) ;
}
/*
else
fgListRemove( &fgStructure.Windows, &window->Node );
+ if ( window->ActiveMenu != NULL )
+ fgDeactivateMenu ( window ) ;
+
+ for ( menu_index = 0; menu_index < 3; menu_index ++ )
+ {
+ if ( window->Menu[menu_index] != NULL )
+ window->Menu[menu_index]->ParentWindow = NULL ;
+ }
+
/*
* OK, this window seems disconnected from the structure enough
* in order to be closed without any bigger risks...
* have everything inside it freed and we do not have to care...
*/
free( window );
+ if ( fgStructure.Window == window ) fgStructure.Window = NULL ;
}
/*
/*
* Call this function for all of the window's children recursively:
*/
- for( subWindow = window->Children.First; subWindow;
- subWindow = subWindow->Node.Next)
+ for( subWindow = (SFG_Window *)window->Children.First; subWindow;
+ subWindow = (SFG_Window *)subWindow->Node.Next)
{
fghRemoveMenuFromWindow( subWindow, menu );
}
{
SFG_MenuEntry *entry;
- for( entry = from->Entries.First; entry; entry = entry->Node.Next )
+ for( entry = (SFG_MenuEntry *)from->Entries.First; entry; entry = (SFG_MenuEntry *)entry->Node.Next )
{
if (entry->SubMenu == menu)
{
/*
* First of all, have all references to this menu removed from all windows:
*/
- for( window = fgStructure.Windows.First; window; window = window->Node.Next )
+ for( window = (SFG_Window *)fgStructure.Windows.First; window; window = (SFG_Window *)window->Node.Next )
{
fghRemoveMenuFromWindow( window, menu );
}
/*
* Now proceed with removing menu entries that lead to this menu
*/
- for( from = fgStructure.Menus.First; from; from = from->Node.Next )
+ for( from = (SFG_Menu *)fgStructure.Menus.First; from; from = (SFG_Menu *)from->Node.Next )
{
fghRemoveMenuFromMenu( from, menu );
}
* Now we are pretty sure the menu is not used anywhere
* and that we can remove all of its entries
*/
- while( (entry = menu->Entries.First) != NULL )
+ while( (entry = (SFG_MenuEntry *)menu->Entries.First) != NULL )
{
fgListRemove(&menu->Entries, &entry->Node);
}
/*
+ * Destroy the window associated with the menu
+ */
+ if ( fgStructure.Window == menu->Window )
+ fgSetWindow ( menu->ParentWindow ) ;
+
+ fgDestroyWindow ( menu->Window, TRUE ) ;
+
+ /*
* Remove the menu from the menus list
*/
fgListRemove( &fgStructure.Menus, &menu->Node );
/*
* Make sure all windows and menus have been deallocated
*/
- while( (window = fgStructure.Windows.First) != NULL )
- fgDestroyWindow( window, TRUE );
-
- while( (menu = fgStructure.Menus.First) != NULL )
+ while( (menu = (SFG_Menu *)fgStructure.Menus.First) != NULL )
fgDestroyMenu( menu );
+
+ while( (window = (SFG_Window *)fgStructure.Windows.First) != NULL )
+ fgDestroyWindow( window, TRUE );
}
/*
/*
* Check every of the top-level windows
*/
- for( window = fgStructure.Windows.First; window;
- window = window->Node.Next )
+ for( window = (SFG_Window *)fgStructure.Windows.First; window;
+ window = (SFG_Window *)window->Node.Next )
{
/*
* Execute the callback...
/*
* Check every of the window's children:
*/
- for( child = window->Children.First; child; child = child->Node.Next )
+ for( child = (SFG_Window *)window->Children.First; child; child = (SFG_Window *)child->Node.Next )
{
/*
* Execute the callback...
/*
* It's enough to check all entries in fgStructure.Menus...
*/
- for( menu = fgStructure.Menus.First; menu; menu = menu->Node.Next )
+ for( menu = (SFG_Menu *)fgStructure.Menus.First; menu; menu = (SFG_Menu *)menu->Node.Next )
{
/*
* Does the ID number match?
{
SFG_Node *ln;
- if ( (ln = list->Last) != NULL )
+ if ( (ln = (SFG_Node *)list->Last) != NULL )
{
ln->Next = node;
node->Prev = ln;
{
SFG_Node *ln;
- if ( (ln = node->Next) != NULL )
+ if ( (ln = (SFG_Node *)node->Next) != NULL )
ln->Prev = node->Prev;
- if ( (ln = node->Prev) != NULL )
+ if ( (ln = (SFG_Node *)node->Prev) != NULL )
ln->Next = node->Next;
- if ( (ln = list->First) == node )
+ if ( (ln = (SFG_Node *)list->First) == node )
list->First = node->Next;
- if ( (ln = list->Last) == node )
+ if ( (ln = (SFG_Node *)list->Last) == node )
list->Last = node->Prev;
}
SFG_Node *node;
int length = 0;
- for( node = list->First; node; node = node->Next )
+ for( node = (SFG_Node *)list->First; node; node = (SFG_Node *)node->Next )
++length;
return( length );
projects / freeglut / blobdiff