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Multiple changes from John. Style issues, plus a bug-fix to check

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a pointer before deallocating some memory.

He also removed one obsolete comment, and added some more comments.


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@300 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
rkrolib 2003-11-04 18:47:26 +00:00
parent 585433d174
commit 0b588cdcb7
1 changed files with 47 additions and 31 deletions
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48
freeglut/freeglut/src/freeglut_menu.c
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@ -32,16 +32,6 @@
#include "../include/GL/freeglut.h"
#include "freeglut_internal.h"
/*
* TODO BEFORE THE STABLE RELEASE:
*
* Wouldn't 1.0 have been "the" stable release? Now we are past 2.0,
* so this comment is probably just out of date. (20031026; rkr)
*
* Think about the possibility of doing the menu on layers *or* using the
* native window system instead of OpenGL.
*/
/* -- DEFINITIONS ---------------------------------------------------------- */
/*
@ -96,7 +86,6 @@ static float menu_pen_hfore [4] = {0.0f, 0.0f, 0.0f, 1.0f};
static float menu_pen_hback [4] = {1.0f, 1.0f, 1.0f, 1.0f};
#endif
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
/*
@ -536,7 +525,6 @@ void fgActivateMenu( SFG_Window* window, int button )
glutPopWindow () ;
glutShowWindow () ;
menu->Window->ActiveMenu = menu ;
}
/*
@ -765,8 +753,10 @@ void FGAPIENTRY glutDestroyMenu( int menuID )
int FGAPIENTRY glutGetMenu( void )
{
freeglut_assert_ready;
if( fgStructure.Menu != NULL )
return( fgStructure.Menu->ID );
return( 0 );
}
@ -779,6 +769,7 @@ void FGAPIENTRY glutSetMenu( int menuID )
freeglut_assert_ready;
freeglut_return_if_fail( menu != NULL );
fgStructure.Menu = menu;
}
@ -791,6 +782,7 @@ void FGAPIENTRY glutAddMenuEntry( const char* label, int value )
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Menu != NULL );
menuEntry->Text = strdup( label );
menuEntry->ID = value;
@ -798,6 +790,7 @@ void FGAPIENTRY glutAddMenuEntry( const char* label, int value )
* Have the new menu entry attached to the current menu
*/
fgListAppend( &fgStructure.Menu->Entries, &menuEntry->Node );
fghCalculateMenuBoxSize();
}
@ -821,6 +814,7 @@ void FGAPIENTRY glutAddSubMenu( const char* label, int subMenuID )
* Make the submenu's parent window be the menu's parent window
*/
fghSetSubmenuParentWindow ( fgStructure.Menu->ParentWindow, subMenu ) ;
fgListAppend( &fgStructure.Menu->Entries, &menuEntry->Node );
fghCalculateMenuBoxSize();
}
@ -833,9 +827,14 @@ void FGAPIENTRY glutChangeToMenuEntry( int item, const char* label, int value )
SFG_MenuEntry* menuEntry = NULL;
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Menu != NULL );
freeglut_return_if_fail( fgStructure.Menu );
/*
* Get n-th menu entry in the current menu, starting from one:
*/
menuEntry = fghFindMenuEntry( fgStructure.Menu, item );
freeglut_return_if_fail( menuEntry != NULL );
freeglut_return_if_fail( menuEntry );
/*
* We want it to become a normal menu entry, so:
@ -846,7 +845,6 @@ void FGAPIENTRY glutChangeToMenuEntry( int item, const char* label, int value )
menuEntry->Text = strdup( label );
menuEntry->ID = value;
menuEntry->SubMenu = NULL;
fghCalculateMenuBoxSize();
}
@ -861,7 +859,12 @@ void FGAPIENTRY glutChangeToSubMenu( int item, const char* label, int subMenuID
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Menu );
freeglut_return_if_fail( subMenu );
/*
* Get n-th menu entry in the current menu, starting from one:
*/
menuEntry = fghFindMenuEntry( fgStructure.Menu, item );
freeglut_return_if_fail( menuEntry );
/*
@ -873,7 +876,6 @@ void FGAPIENTRY glutChangeToSubMenu( int item, const char* label, int subMenuID
menuEntry->Text = strdup( label );
menuEntry->SubMenu = subMenu;
menuEntry->ID = -1;
fghCalculateMenuBoxSize();
}
@ -886,10 +888,18 @@ void FGAPIENTRY glutRemoveMenuItem( int item )
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Menu );
/*
* Get n-th menu entry in the current menu, starting from one:
*/
menuEntry = fghFindMenuEntry( fgStructure.Menu, item );
freeglut_return_if_fail( menuEntry );
fgListRemove( &fgStructure.Menu->Entries, &menuEntry->Node );
if ( menuEntry->Text )
free( menuEntry->Text );
free( menuEntry );
fghCalculateMenuBoxSize();
}
@ -900,10 +910,13 @@ void FGAPIENTRY glutRemoveMenuItem( int item )
void FGAPIENTRY glutAttachMenu( int button )
{
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Window );
freeglut_return_if_fail( fgStructure.Menu );
freeglut_return_if_fail( button >= 0 );
freeglut_return_if_fail( button < FREEGLUT_MAX_MENUS );
fgStructure.Window->Menu[ button ] = fgStructure.Menu;
/*
@ -918,10 +931,13 @@ void FGAPIENTRY glutAttachMenu( int button )
void FGAPIENTRY glutDetachMenu( int button )
{
freeglut_assert_ready;
freeglut_return_if_fail( fgStructure.Window );
freeglut_return_if_fail( fgStructure.Menu );
freeglut_return_if_fail( button >= 0 );
freeglut_return_if_fail( button < FREEGLUT_MAX_MENUS );
fgStructure.Window->Menu[ button ] = NULL;
}