X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_menu.c;h=3894b42a9a118aa0b824d2cf06c22dc6cc1ef85e;hb=78d46c63a115e0a868d83f365399864b62a4ea7f;hp=94a33826ee74de2edfbd6ef923ea553a76f64395;hpb=c035e95ca2ff3cf106de4b07a84e4ba6d073a877;p=freeglut diff --git a/src/freeglut_menu.c b/src/freeglut_menu.c index 94a3382..3894b42 100644 --- a/src/freeglut_menu.c +++ b/src/freeglut_menu.c @@ -25,10 +25,6 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - #include #include "freeglut_internal.h" @@ -110,6 +106,34 @@ static SFG_MenuEntry *fghFindMenuEntry( SFG_Menu* menu, int index ) } /* + * Deactivates a menu pointed by the function argument. + */ +static void fghDeactivateSubMenu( SFG_MenuEntry *menuEntry ) +{ + SFG_Window *current_window = fgStructure.CurrentWindow; + SFG_MenuEntry *subMenuIter; + /* Hide the present menu's window */ + fgSetWindow( menuEntry->SubMenu->Window ); + glutHideWindow( ); + + /* Forget about having that menu active anymore, now: */ + menuEntry->SubMenu->Window->ActiveMenu = NULL; + menuEntry->SubMenu->IsActive = GL_FALSE; + + /* Hide all submenu windows, and the root menu's window. */ + for ( subMenuIter = (SFG_MenuEntry *)menuEntry->SubMenu->Entries.First; + subMenuIter; + subMenuIter = (SFG_MenuEntry *)subMenuIter->Node.Next ) + { + /* Is that an active submenu by any case? */ + if( subMenuIter->SubMenu ) + fghDeactivateSubMenu( subMenuIter ); + } + + fgSetWindow( current_window ); +} + +/* * Private function to check for the current menu/sub menu activity state */ static GLboolean fghCheckMenuStatus( SFG_Window* window, SFG_Menu* menu ) @@ -177,7 +201,7 @@ static GLboolean fghCheckMenuStatus( SFG_Window* window, SFG_Menu* menu ) */ if( menu->ActiveEntry && ( menuEntry != menu->ActiveEntry ) ) if( menu->ActiveEntry->SubMenu ) - fgDeactivateSubMenu( menu->ActiveEntry ); + fghDeactivateSubMenu( menu->ActiveEntry ); menu->ActiveEntry = menuEntry; menu->IsActive = GL_TRUE; @@ -191,7 +215,7 @@ static GLboolean fghCheckMenuStatus( SFG_Window* window, SFG_Menu* menu ) { if ( ! menuEntry->SubMenu->IsActive ) { - SFG_Window *current_window = fgStructure.Window; + SFG_Window *current_window = fgStructure.CurrentWindow; /* Set up the initial menu position now... */ menuEntry->SubMenu->IsActive = GL_TRUE; @@ -373,7 +397,7 @@ static void fghDisplayMenuBox( SFG_Menu* menu ) * Private static function to set the parent window of a submenu and all * of its submenus */ -static void fghSetSubmenuParentWindow( SFG_Window *window, SFG_Menu *menu ) +static void fghSetMenuParentWindow( SFG_Window *window, SFG_Menu *menu ) { SFG_MenuEntry *menuEntry; @@ -383,7 +407,7 @@ static void fghSetSubmenuParentWindow( SFG_Window *window, SFG_Menu *menu ) menuEntry; menuEntry = ( SFG_MenuEntry * )menuEntry->Node.Next ) if( menuEntry->SubMenu ) - fghSetSubmenuParentWindow( window, menuEntry->SubMenu ); + fghSetMenuParentWindow( window, menuEntry->SubMenu ); } /* @@ -416,10 +440,10 @@ static void fghExecuteMenuCallback( SFG_Menu* menu ) */ void fgDisplayMenu( void ) { - SFG_Window* window = fgStructure.Window; + SFG_Window* window = fgStructure.CurrentWindow; SFG_Menu* menu = NULL; - FREEGLUT_INTERNAL_ERROR_EXIT ( fgStructure.Window, "Displaying menu in nonexistent window", + FREEGLUT_INTERNAL_ERROR_EXIT ( fgStructure.CurrentWindow, "Displaying menu in nonexistent window", "fgDisplayMenu" ); /* Check if there is an active menu attached to this window... */ @@ -467,14 +491,19 @@ void fgDisplayMenu( void ) /* * Activates a menu pointed by the function argument */ -void fgActivateMenu( SFG_Window* window, int button ) +static void fghActivateMenu( SFG_Window* window, int button ) { /* We'll be referencing this menu a lot, so remember its address: */ SFG_Menu* menu = window->Menu[ button ]; + /* If the menu is already active in another window, deactivate it there */ + if ( menu->ParentWindow ) + menu->ParentWindow->ActiveMenu = NULL ; + /* Mark the menu as active, so that it gets displayed: */ window->ActiveMenu = menu; menu->IsActive = GL_TRUE; + fghSetMenuParentWindow ( window, menu ); fgState.ActiveMenus++; /* Set up the initial menu position now: */ @@ -535,11 +564,11 @@ GLboolean fgCheckActiveMenu ( SFG_Window *window, int button, GLboolean pressed, * Save the current window and menu and set the current * window to the window whose menu this is */ - SFG_Window *save_window = fgStructure.Window; - SFG_Menu *save_menu = fgStructure.Menu; + SFG_Window *save_window = fgStructure.CurrentWindow; + SFG_Menu *save_menu = fgStructure.CurrentMenu; SFG_Window *parent_window = window->ActiveMenu->ParentWindow; fgSetWindow( parent_window ); - fgStructure.Menu = window->ActiveMenu; + fgStructure.CurrentMenu = window->ActiveMenu; /* Execute the menu callback */ fghExecuteMenuCallback( window->ActiveMenu ); @@ -547,7 +576,7 @@ GLboolean fgCheckActiveMenu ( SFG_Window *window, int button, GLboolean pressed, /* Restore the current window and menu */ fgSetWindow( save_window ); - fgStructure.Menu = save_menu; + fgStructure.CurrentMenu = save_menu; } else if( pressed ) /* @@ -580,7 +609,7 @@ GLboolean fgCheckActiveMenu ( SFG_Window *window, int button, GLboolean pressed, /* XXX Posting a requisite Redisplay seems bogus. */ window->State.Redisplay = GL_TRUE; fgSetWindow( window ); - fgActivateMenu( window, button ); + fghActivateMenu( window, button ); return GL_TRUE; } @@ -592,7 +621,7 @@ GLboolean fgCheckActiveMenu ( SFG_Window *window, int button, GLboolean pressed, */ void fgDeactivateMenu( SFG_Window *window ) { - SFG_Window *current_window = fgStructure.Window; + SFG_Window *current_window = fgStructure.CurrentWindow; /* Check if there is an active menu attached to this window... */ SFG_Menu* menu = window->ActiveMenu; @@ -608,6 +637,7 @@ void fgDeactivateMenu( SFG_Window *window ) /* Forget about having that menu active anymore, now: */ menu->Window->ActiveMenu = NULL; menu->ParentWindow->ActiveMenu = NULL; + fghSetMenuParentWindow ( NULL, menu ); menu->IsActive = GL_FALSE; fgState.ActiveMenus--; @@ -619,35 +649,7 @@ void fgDeactivateMenu( SFG_Window *window ) { /* Is that an active submenu by any case? */ if( menuEntry->SubMenu ) - fgDeactivateSubMenu( menuEntry ); - } - - fgSetWindow( current_window ); -} - -/* - * Deactivates a menu pointed by the function argument. - */ -void fgDeactivateSubMenu( SFG_MenuEntry *menuEntry ) -{ - SFG_Window *current_window = fgStructure.Window; - SFG_MenuEntry *subMenuIter; - /* Hide the present menu's window */ - fgSetWindow( menuEntry->SubMenu->Window ); - glutHideWindow( ); - - /* Forget about having that menu active anymore, now: */ - menuEntry->SubMenu->Window->ActiveMenu = NULL; - menuEntry->SubMenu->IsActive = GL_FALSE; - - /* Hide all submenu windows, and the root menu's window. */ - for ( subMenuIter = (SFG_MenuEntry *)menuEntry->SubMenu->Entries.First; - subMenuIter; - subMenuIter = (SFG_MenuEntry *)subMenuIter->Node.Next ) - { - /* Is that an active submenu by any case? */ - if( subMenuIter->SubMenu ) - fgDeactivateSubMenu( subMenuIter ); + fghDeactivateSubMenu( menuEntry ); } fgSetWindow( current_window ); @@ -662,10 +664,10 @@ void fghCalculateMenuBoxSize( void ) int width = 0, height = 0; /* Make sure there is a current menu set */ - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); /* The menu's box size depends on the menu entries: */ - for( menuEntry = ( SFG_MenuEntry * )fgStructure.Menu->Entries.First; + for( menuEntry = ( SFG_MenuEntry * )fgStructure.CurrentMenu->Entries.First; menuEntry; menuEntry = ( SFG_MenuEntry * )menuEntry->Node.Next ) { @@ -693,8 +695,8 @@ void fghCalculateMenuBoxSize( void ) } /* Store the menu's box size now: */ - fgStructure.Menu->Height = height + 2 * FREEGLUT_MENU_BORDER; - fgStructure.Menu->Width = width + 4 * FREEGLUT_MENU_BORDER; + fgStructure.CurrentMenu->Height = height + 2 * FREEGLUT_MENU_BORDER; + fgStructure.CurrentMenu->Width = width + 4 * FREEGLUT_MENU_BORDER; } @@ -733,8 +735,8 @@ int FGAPIENTRY glutGetMenu( void ) { FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetMenu" ); - if( fgStructure.Menu ) - return fgStructure.Menu->ID; + if( fgStructure.CurrentMenu ) + return fgStructure.CurrentMenu->ID; return 0; } @@ -751,7 +753,7 @@ void FGAPIENTRY glutSetMenu( int menuID ) freeglut_return_if_fail( menu ); - fgStructure.Menu = menu; + fgStructure.CurrentMenu = menu; } /* @@ -762,13 +764,13 @@ void FGAPIENTRY glutAddMenuEntry( const char* label, int value ) SFG_MenuEntry* menuEntry; FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutAddMenuEntry" ); menuEntry = (SFG_MenuEntry *)calloc( sizeof(SFG_MenuEntry), 1 ); - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); menuEntry->Text = strdup( label ); menuEntry->ID = value; /* Have the new menu entry attached to the current menu */ - fgListAppend( &fgStructure.Menu->Entries, &menuEntry->Node ); + fgListAppend( &fgStructure.CurrentMenu->Entries, &menuEntry->Node ); fghCalculateMenuBoxSize( ); } @@ -785,17 +787,14 @@ void FGAPIENTRY glutAddSubMenu( const char *label, int subMenuID ) menuEntry = ( SFG_MenuEntry * )calloc( sizeof( SFG_MenuEntry ), 1 ); subMenu = fgMenuByID( subMenuID ); - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); freeglut_return_if_fail( subMenu ); menuEntry->Text = strdup( label ); menuEntry->SubMenu = subMenu; menuEntry->ID = -1; - /* Make the submenu's parent window be the menu's parent window */ - fghSetSubmenuParentWindow( fgStructure.Menu->ParentWindow, subMenu ); - - fgListAppend( &fgStructure.Menu->Entries, &menuEntry->Node ); + fgListAppend( &fgStructure.CurrentMenu->Entries, &menuEntry->Node ); fghCalculateMenuBoxSize( ); } @@ -807,10 +806,10 @@ void FGAPIENTRY glutChangeToMenuEntry( int item, const char* label, int value ) SFG_MenuEntry* menuEntry = NULL; FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutChangeToMenuEntry" ); - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); /* Get n-th menu entry in the current menu, starting from one: */ - menuEntry = fghFindMenuEntry( fgStructure.Menu, item ); + menuEntry = fghFindMenuEntry( fgStructure.CurrentMenu, item ); freeglut_return_if_fail( menuEntry ); @@ -837,11 +836,11 @@ void FGAPIENTRY glutChangeToSubMenu( int item, const char* label, subMenu = fgMenuByID( subMenuID ); menuEntry = NULL; - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); freeglut_return_if_fail( subMenu ); /* Get n-th menu entry in the current menu, starting from one: */ - menuEntry = fghFindMenuEntry( fgStructure.Menu, item ); + menuEntry = fghFindMenuEntry( fgStructure.CurrentMenu, item ); freeglut_return_if_fail( menuEntry ); @@ -863,14 +862,14 @@ void FGAPIENTRY glutRemoveMenuItem( int item ) SFG_MenuEntry* menuEntry; FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutRemoveMenuItem" ); - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); /* Get n-th menu entry in the current menu, starting from one: */ - menuEntry = fghFindMenuEntry( fgStructure.Menu, item ); + menuEntry = fghFindMenuEntry( fgStructure.CurrentMenu, item ); freeglut_return_if_fail( menuEntry ); - fgListRemove( &fgStructure.Menu->Entries, &menuEntry->Node ); + fgListRemove( &fgStructure.CurrentMenu->Entries, &menuEntry->Node ); if ( menuEntry->Text ) free( menuEntry->Text ); @@ -885,16 +884,13 @@ void FGAPIENTRY glutAttachMenu( int button ) { FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutAttachMenu" ); - freeglut_return_if_fail( fgStructure.Window ); - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentWindow ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); freeglut_return_if_fail( button >= 0 ); freeglut_return_if_fail( button < FREEGLUT_MAX_MENUS ); - fgStructure.Window->Menu[ button ] = fgStructure.Menu; - - /* Make the parent window of the menu (and all submenus) the current window */ - fghSetSubmenuParentWindow( fgStructure.Window, fgStructure.Menu ); + fgStructure.CurrentWindow->Menu[ button ] = fgStructure.CurrentMenu; } /* @@ -904,13 +900,13 @@ void FGAPIENTRY glutDetachMenu( int button ) { FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDetachMenu" ); - freeglut_return_if_fail( fgStructure.Window ); - freeglut_return_if_fail( fgStructure.Menu ); + freeglut_return_if_fail( fgStructure.CurrentWindow ); + freeglut_return_if_fail( fgStructure.CurrentMenu ); freeglut_return_if_fail( button >= 0 ); freeglut_return_if_fail( button < FREEGLUT_MAX_MENUS ); - fgStructure.Window->Menu[ button ] = NULL; + fgStructure.CurrentWindow->Menu[ button ] = NULL; } /* @@ -919,13 +915,13 @@ void FGAPIENTRY glutDetachMenu( int button ) void* FGAPIENTRY glutGetMenuData( void ) { FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetMenuData" ); - return fgStructure.Menu->UserData; + return fgStructure.CurrentMenu->UserData; } void FGAPIENTRY glutSetMenuData(void* data) { FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetMenuData" ); - fgStructure.Menu->UserData=data; + fgStructure.CurrentMenu->UserData=data; } /*** END OF FILE ***/