152 lines
3.2 KiB
C
152 lines
3.2 KiB
C
/***************************************************************************
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main.c
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(c) 2000-2017 Benoît Minisini <benoit.minisini@gambas-basic.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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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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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., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#define __MAIN_C
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#include "main.h"
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enum { USE_NOTHING, USE_GB_QT4, USE_GB_QT5, USE_GB_GTK, USE_GB_GTK3 };
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static char use_list[4][3] = {
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{ USE_GB_QT5, USE_GB_GTK, USE_GB_GTK3 },
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{ USE_GB_QT4, USE_GB_GTK3, USE_GB_GTK },
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{ USE_GB_GTK3, USE_GB_QT4, USE_GB_QT5 },
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{ USE_GB_GTK, USE_GB_QT5, USE_GB_QT4 },
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};
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GB_INTERFACE GB EXPORT;
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// Prevents gbi3 from complaining
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GB_DESC *GB_CLASSES[] EXPORT =
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{
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NULL
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};
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char *GB_INCLUDE EXPORT = "gb.qt4|gb.qt5|gb.gtk|gb.gtk3";
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static bool _debug = FALSE;
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const char *get_name(int use)
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{
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switch (use)
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{
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case USE_GB_QT4: return "gb.qt4";
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case USE_GB_QT5: return "gb.qt5";
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case USE_GB_GTK3: return "gb.gtk3";
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default: return "gb.gtk";
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}
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}
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#include "gb_gui_test_temp.h"
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int EXPORT GB_INIT(void)
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{
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int use = USE_NOTHING;
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int use_other = USE_NOTHING;
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char *env;
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const char *comp;
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int i;
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const char *fail;
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char not_found[32];
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env = getenv("GB_GUI");
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if (env)
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{
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if (strcmp(env, "gb.qt4") == 0)
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use = USE_GB_QT4;
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else if (strcmp(env, "gb.qt5") == 0)
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use = USE_GB_QT5;
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else if (strcmp(env, "gb.gtk") == 0)
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use = USE_GB_GTK;
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else if (strcmp(env, "gb.gtk3") == 0)
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use = USE_GB_GTK3;
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}
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env = getenv("GB_GUI_DEBUG");
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if (env && strcmp(env, "0"))
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_debug = TRUE;
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if (use == USE_NOTHING)
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{
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use = GUI_should_use();
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if (use == USE_NOTHING)
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use = USE_GB_GTK3;
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}
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if (_debug)
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fprintf(stderr, "gb.gui: checking %s...\n", get_name(use));
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fail = GUI_can_use(use);
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if (fail)
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{
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strcpy(not_found, fail);
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use_other = USE_NOTHING;
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for (i = 0; i <= 2; i++)
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{
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if (_debug)
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fprintf(stderr, "gb.gui: checking %s...\n", get_name(use_list[use - 1][i]));
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if (!GUI_can_use(use_list[use - 1][i]))
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{
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use_other = use_list[use - 1][i];
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break;
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}
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}
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if (use_other)
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{
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fprintf(stderr, "gb.gui: warning: '%s' component not found, using '%s' instead\n", not_found, get_name(use_other));
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use = use_other;
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}
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else
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{
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fprintf(stderr, "gb.gui: error: '%s' component not found, unable to find any GUI replacement component\n", not_found);
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exit(1);
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}
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}
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comp = get_name(use);
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if (GB.Component.Load(comp))
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{
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fprintf(stderr, "gb.gui: error: cannot load component '%s'\n", comp);
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exit(1);
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}
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else
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{
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if (_debug)
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fprintf(stderr, "gb.gui: loading '%s'\n", comp);
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}
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setenv("GB_GUI", comp, TRUE);
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return 0;
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}
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void EXPORT GB_EXIT()
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{
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}
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