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