#include "config.h"
#endif
-#define G_LOG_DOMAIN "freeglut-menu"
-
#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- * so this comment is probably just out of date.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 ---------------------------------------------------------- */
/*
* symbolic constant, FREEGLUT_MENU_ITEM_BORDER, or such.)
*/
#if TARGET_HOST_WIN32
-#define FREEGLUT_MENU_FONT GLUT_BITMAP_8_BY_13
+#define FREEGLUT_MENU_FONT GLUT_BITMAP_8_BY_13
#else
-#define FREEGLUT_MENU_FONT GLUT_BITMAP_HELVETICA_18
+#define FREEGLUT_MENU_FONT GLUT_BITMAP_HELVETICA_18
#endif
-#define FREEGLUT_MENU_HEIGHT (glutBitmapHeight(FREEGLUT_MENU_FONT) + FREEGLUT_MENU_BORDER)
+#define FREEGLUT_MENU_HEIGHT (glutBitmapHeight(FREEGLUT_MENU_FONT) + FREEGLUT_MENU_BORDER)
#define FREEGLUT_MENU_BORDER 2
/*
- * These variables should be moved into the freeglut global state, but for now,
- * we'll put them here. They are for rendering the freeglut menu items.
+ * These variables are for rendering the freeglut menu items.
+ *
* The choices are fore- and background, with and without h for Highlighting.
* Old GLUT appeared to be system-dependant for its colors (sigh) so we are
* too. These variables should be stuffed into global state and initialized
* via the glutInit*() system.
*/
-
#if TARGET_HOST_WIN32
static float menu_pen_fore [4] = {0.0f, 0.0f, 0.0f, 1.0f};
static float menu_pen_back [4] = {0.85f, 0.85f, 0.85f, 1.0f};
static float menu_pen_hback [4] = {1.0f, 1.0f, 1.0f, 1.0f};
#endif
-
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
/*
/*
* Check if the mouse cursor is contained within the current menu box
*/
- if( ( x >= FREEGLUT_MENU_BORDER ) &&
- ( x < menu->Width - FREEGLUT_MENU_BORDER ) &&
- ( y >= FREEGLUT_MENU_BORDER ) &&
- ( y < menu->Height - FREEGLUT_MENU_BORDER ) &&
- ( window == menu->Window ) )
+ if ( ( x >= FREEGLUT_MENU_BORDER ) &&
+ ( x < menu->Width - FREEGLUT_MENU_BORDER ) &&
+ ( y >= FREEGLUT_MENU_BORDER ) &&
+ ( y < menu->Height - FREEGLUT_MENU_BORDER ) &&
+ ( window == menu->Window ) )
{
int menuID = ( y - FREEGLUT_MENU_BORDER ) / FREEGLUT_MENU_HEIGHT ;
/*
* If this is not the same as the last active menu entry, deactivate the
- * previous entry. Specifically, if the previous active entry was a
+ * previous entry. Specifically, if the previous active entry was a
* submenu then deactivate it.
*/
if ( menu->ActiveEntry && ( menuEntry != menu->ActiveEntry ) )
menuEntry->SubMenu->X = menu->X + menu->Width ;
menuEntry->SubMenu->Y = menu->Y + menuEntry->Ordinal * FREEGLUT_MENU_HEIGHT ;
- if ( menuEntry->SubMenu->X + menuEntry->SubMenu->Width > glutGet (GLUT_SCREEN_WIDTH ) )
- menuEntry->SubMenu->X = menu->X - menuEntry->SubMenu->Width;
+ if ( menuEntry->SubMenu->X + menuEntry->SubMenu->Width > glutGet ( GLUT_SCREEN_WIDTH ) )
+ menuEntry->SubMenu->X = menu->X - menuEntry->SubMenu->Width ;
- if ( menuEntry->SubMenu->Y + menuEntry->SubMenu->Height > glutGet (GLUT_SCREEN_HEIGHT ) )
- menuEntry->SubMenu->Y -= (menuEntry->SubMenu->Height -
- FREEGLUT_MENU_HEIGHT - 2*FREEGLUT_MENU_BORDER);
+ if ( menuEntry->SubMenu->Y + menuEntry->SubMenu->Height > glutGet ( GLUT_SCREEN_HEIGHT ) )
+ menuEntry->SubMenu->Y -= ( menuEntry->SubMenu->Height -
+ FREEGLUT_MENU_HEIGHT - 2 * FREEGLUT_MENU_BORDER ) ;
fgSetWindow ( menuEntry->SubMenu->Window ) ;
glutPositionWindow ( menuEntry->SubMenu->X, menuEntry->SubMenu->Y ) ;
glutPopWindow () ;
glutShowWindow () ;
menu->Window->ActiveMenu = menu ;
-
}
/*
{
freeglut_assert_ready;
- /*
- * Is there a current menu set?
- */
if( fgStructure.Menu != NULL )
- {
- /*
- * Yes, there is indeed...
- */
return( fgStructure.Menu->ID );
- }
- /*
- * No, there is no current menu at all
- */
return( 0 );
}
{
SFG_Menu* menu = fgMenuByID( menuID );
- freeglut_assert_ready; freeglut_return_if_fail( menu != NULL );
+ freeglut_assert_ready;
+ freeglut_return_if_fail( menu != NULL );
- /*
- * The current menu pointer is stored in fgStructure.Menu
- */
fgStructure.Menu = menu;
}
{
SFG_MenuEntry* menuEntry = (SFG_MenuEntry *)calloc( sizeof(SFG_MenuEntry), 1 );
- /*
- * Make sure there is a current menu set
- */
- freeglut_assert_ready; freeglut_return_if_fail( fgStructure.Menu != NULL );
+ freeglut_assert_ready;
+ freeglut_return_if_fail( fgStructure.Menu != NULL );
- /*
- * Fill in the appropriate values...
- */
menuEntry->Text = strdup( label );
menuEntry->ID = value;
*/
fgListAppend( &fgStructure.Menu->Entries, &menuEntry->Node );
- /*
- * Update the menu's dimensions now
- */
fghCalculateMenuBoxSize();
}
SFG_MenuEntry* menuEntry = (SFG_MenuEntry *)calloc( sizeof(SFG_MenuEntry), 1 );
SFG_Menu* subMenu = fgMenuByID( subMenuID );
- /*
- * Make sure there is a current menu and the sub menu
- * we want to attach actually exists...
- */
- freeglut_assert_ready; freeglut_return_if_fail( fgStructure.Menu != NULL );
+ freeglut_assert_ready;
+ freeglut_return_if_fail( fgStructure.Menu != NULL );
freeglut_return_if_fail( subMenu != NULL );
- /*
- * Fill in the appropriate values
- */
menuEntry->Text = strdup( label );
menuEntry->SubMenu = subMenu;
menuEntry->ID = -1;
*/
fghSetSubmenuParentWindow ( fgStructure.Menu->ParentWindow, subMenu ) ;
- /*
- * Have the new menu entry attached to the current menu
- */
fgListAppend( &fgStructure.Menu->Entries, &menuEntry->Node );
-
- /*
- * Update the menu's dimensions now
- */
fghCalculateMenuBoxSize();
}
{
SFG_MenuEntry* menuEntry = NULL;
- /*
- * Make sure there is a current menu set...
- */
- freeglut_assert_ready; freeglut_return_if_fail( fgStructure.Menu != NULL );
+ 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 );
- /*
- * Make sure the menu entry exists
- */
- freeglut_return_if_fail( menuEntry != NULL );
+ freeglut_return_if_fail( menuEntry );
/*
* We want it to become a normal menu entry, so:
menuEntry->Text = strdup( label );
menuEntry->ID = value;
menuEntry->SubMenu = NULL;
-
- /*
- * Update the menu's dimensions now
- */
fghCalculateMenuBoxSize();
}
SFG_Menu* subMenu = fgMenuByID( subMenuID );
SFG_MenuEntry* menuEntry = NULL;
- /*
- * Make sure there is a current menu set and the sub menu exists...
- */
- freeglut_assert_ready; freeglut_return_if_fail( fgStructure.Menu != NULL );
- freeglut_return_if_fail( subMenu != NULL );
+ 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 );
- /*
- * Make sure the menu entry exists
- */
- freeglut_return_if_fail( menuEntry != NULL );
+ freeglut_return_if_fail( menuEntry );
/*
* We want it to become a sub menu entry, so:
*/
- if( menuEntry->Text != NULL )
+ if( menuEntry->Text )
free( menuEntry->Text );
menuEntry->Text = strdup( label );
menuEntry->SubMenu = subMenu;
menuEntry->ID = -1;
-
- /*
- * Update the menu's dimensions now
- */
fghCalculateMenuBoxSize();
}
{
SFG_MenuEntry* menuEntry;
- /*
- * Make sure there is a current menu set
- */
- freeglut_assert_ready; freeglut_return_if_fail( fgStructure.Menu != NULL );
+ 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 );
- /*
- * Make sure the menu entry exists
- */
- freeglut_return_if_fail( menuEntry != NULL );
+ freeglut_return_if_fail( menuEntry );
- /*
- * Removing a menu entry is quite simple...
- */
fgListRemove( &fgStructure.Menu->Entries, &menuEntry->Node );
-
- /*
- * Free the entry label string, too
- */
- free( menuEntry->Text );
+ if ( menuEntry->Text )
+ free( menuEntry->Text );
free( menuEntry );
-
- /*
- * Update the menu's dimensions now
- */
fghCalculateMenuBoxSize();
}
{
freeglut_assert_ready;
- /*
- * There must be a current window and a current menu set:
- */
- freeglut_return_if_fail( fgStructure.Window != NULL || fgStructure.Menu != NULL );
+ freeglut_return_if_fail( fgStructure.Window );
+ freeglut_return_if_fail( fgStructure.Menu );
- /*
- * Make sure the button value is valid (0, 1 or 2, see freeglut.h)
- */
- freeglut_return_if_fail( button == GLUT_LEFT_BUTTON || button == GLUT_MIDDLE_BUTTON || button == GLUT_RIGHT_BUTTON );
+ freeglut_return_if_fail( button >= 0 );
+ freeglut_return_if_fail( button < FREEGLUT_MAX_MENUS );
- /*
- * It is safe now to attach the menu
- */
fgStructure.Window->Menu[ button ] = fgStructure.Menu;
/*
{
freeglut_assert_ready;
- /*
- * There must be a current window set:
- */
- freeglut_return_if_fail( fgStructure.Window != NULL );
+ freeglut_return_if_fail( fgStructure.Window );
+ freeglut_return_if_fail( fgStructure.Menu );
- /*
- * Make sure the button value is valid (0, 1 or 2, see freeglut.h)
- */
- freeglut_return_if_fail( button != 0 && button != 1 && button != 2 );
+ freeglut_return_if_fail( button >= 0 );
+ freeglut_return_if_fail( button < FREEGLUT_MAX_MENUS );
- /*
- * It is safe now to detach the menu
- */
fgStructure.Window->Menu[ button ] = NULL;
}