WIP

1 files changed, 80 insertions, 0 deletions

diff --git a/src-old/sc_interp.h b/src-old/sc_interp.h
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+++ b/src-old/sc_interp.h
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+/*
+ * sc_interp.h
+ *
+ * Copyright © 2014-2018 Thomas White <taw@bitwiz.org.uk>
+ *
+ * This file is part of Colloquium.
+ *
+ * Colloquium 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SC_INTERP_H
+#define SC_INTERP_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pango/pangocairo.h>
+
+struct frame;
+
+#define SCCONST_SLIDENUMBER (0)
+#define NUM_SC_CONSTANTS (1)
+
+struct presentation;
+typedef struct _scinterp SCInterpreter;
+typedef struct _sccallbacklist SCCallbackList;
+typedef int (*SCCallbackBoxFunc)(SCInterpreter *scin, SCBlock *bl,
+                                  double *w, double *h, void **, void *);
+typedef cairo_surface_t *(*SCCallbackDrawFunc)(int w, int h, void *, void *);
+typedef int (*SCCallbackClickFunc)(double x, double y, void *, void *);
+
+#include "frame.h"
+#include "imagestore.h"
+#include "stylesheet.h"
+
+extern SCInterpreter *sc_interp_new(PangoContext *pc, PangoLanguage *lang,
+                                    ImageStore *is, struct frame *top);
+extern void sc_interp_destroy(SCInterpreter *scin);
+
+extern void sc_interp_save(SCInterpreter *scin);
+extern void sc_interp_restore(SCInterpreter *scin);
+
+extern int sc_interp_add_block(SCInterpreter *scin, SCBlock *bl, Stylesheet *ss);
+
+extern void sc_interp_set_constant(SCInterpreter *scin, unsigned int constant,
+                                   const char *val);
+
+/* Callback lists */
+extern SCCallbackList *sc_callback_list_new();
+extern void sc_callback_list_free(SCCallbackList *cbl);
+extern void sc_callback_list_add_callback(SCCallbackList *cbl, const char *name,
+                                          SCCallbackBoxFunc box_func,
+                                          SCCallbackDrawFunc draw_func,
+                                          SCCallbackClickFunc click_func,
+                                          void *vp);
+extern void sc_interp_set_callbacks(SCInterpreter *scin, SCCallbackList *cbl);
+
+/* Get the current state of the interpreter */
+extern struct frame *sc_interp_get_frame(SCInterpreter *scin);
+extern PangoFont *sc_interp_get_font(SCInterpreter *scin);
+extern PangoFontDescription *sc_interp_get_fontdesc(SCInterpreter *scin);
+extern double *sc_interp_get_fgcol(SCInterpreter *scin);
+
+extern void update_geom(struct frame *fr);
+
+
+#endif	/* SC_INTERP_H */