ref: 3fbef9d2788184c491c120d00e6d5bccecc4310c
dir: /textscreen/txt_widget.h/
// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id$ // // Copyright(C) 1993-1996 Id Software, Inc. // Copyright(C) 2006 Simon Howard // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA // 02111-1307, USA. // // Base GUI "widget" class that all widgets inherit from. #ifndef TXT_WIDGET_H #define TXT_WIDGET_H #define TXT_UNCAST_ARG(name) void *uncast_ ## name #define TXT_CAST_ARG(type, name) type *name = (type *) uncast_ ## name typedef struct txt_widget_class_s txt_widget_class_t; typedef struct txt_widget_s txt_widget_t; typedef struct txt_callback_table_s txt_callback_table_t; typedef void (*TxtWidgetSizeCalc)(TXT_UNCAST_ARG(widget), int *w, int *h); typedef void (*TxtWidgetDrawer)(TXT_UNCAST_ARG(widget), int w, int selected); typedef void (*TxtWidgetDestroy)(TXT_UNCAST_ARG(widget)); typedef int (*TxtWidgetKeyPress)(TXT_UNCAST_ARG(widget), int key); typedef void (*TxtWidgetSignalFunc)(TXT_UNCAST_ARG(widget), void *user_data); struct txt_widget_class_s { TxtWidgetSizeCalc size_calc; TxtWidgetDrawer drawer; TxtWidgetKeyPress key_press; TxtWidgetDestroy destructor; }; struct txt_widget_s { txt_widget_class_t *widget_class; txt_callback_table_t *callback_table; int selectable; int visible; }; void TXT_InitWidget(TXT_UNCAST_ARG(widget), txt_widget_class_t *widget_class); void TXT_CalcWidgetSize(TXT_UNCAST_ARG(widget), int *w, int *h); void TXT_DrawWidget(TXT_UNCAST_ARG(widget), int w, int selected); void TXT_SignalConnect(TXT_UNCAST_ARG(widget), char *signal_name, TxtWidgetSignalFunc func, void *user_data); void TXT_EmitSignal(TXT_UNCAST_ARG(widget), char *signal_name); int TXT_WidgetKeyPress(TXT_UNCAST_ARG(widget), int key); void TXT_DestroyWidget(TXT_UNCAST_ARG(widget)); #endif /* #ifndef TXT_WIDGET_H */