* Implement Blender_Redraw(), minor changes in other files

* Implemented submodule Text

1 files changed, 436 insertions, 0 deletions

diff --git a/source/blender/python/api2_2x/Text.c b/source/blender/python/api2_2x/Text.c
new file mode 100644
index 00000000000..216572390ff
--- /dev/null
+++ b/source/blender/python/api2_2x/Text.c
@@ -0,0 +1,436 @@
+/* 
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * This is a new part of Blender.
+ *
+ * Contributor(s): Willian P. Germano
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+*/
+
+#include "Text.h"
+
+/*****************************************************************************/
+/* Function:              M_Text_New                                       */
+/* Python equivalent:     Blender.Text.New                                 */
+/*****************************************************************************/
+static PyObject *M_Text_New(PyObject *self, PyObject *args, PyObject *keywords)
+{
+  char *name = NULL;
+  char buf[21];
+  int follow = 0;
+  Text   *bl_text; /* blender text object */
+  C_Text *py_text; /* python wrapper */
+
+  printf ("In Text_New()\n");
+
+  if (!PyArg_ParseTuple(args, "|si", &name, &follow))
+        return EXPP_ReturnPyObjError (PyExc_TypeError,
+          "expected string and int arguments (or nothing)");
+
+  bl_text = add_empty_text();
+
+  if (bl_text)
+    py_text = (C_Text *)PyObject_NEW(C_Text, &Text_Type);
+  else
+    return EXPP_ReturnPyObjError (PyExc_RuntimeError,
+                    "couldn't create Text Object in Blender");
+  if (!py_text)
+    return EXPP_ReturnPyObjError (PyExc_MemoryError,
+                    "couldn't create Text Object wrapper");
+
+  py_text->text = bl_text;
+
+  if (follow) bl_text->flags |= EXPP_TEXT_MODE_FOLLOW;
+
+  if (name) {
+    PyOS_snprintf(buf, sizeof(buf), "%s", name);
+    rename_id(&bl_text->id, buf);
+  }
+
+  return (PyObject *)py_text;
+}
+
+/*****************************************************************************/
+/* Function:              M_Text_Get                                       */
+/* Python equivalent:     Blender.Text.Get                                 */
+/*****************************************************************************/
+static PyObject *M_Text_Get(PyObject *self, PyObject *args)
+{
+  char   *name;
+  Text   *txt_iter;
+  C_Text *wanted_txt;
+
+  printf ("In Text_Get()\n");
+  if (!PyArg_ParseTuple(args, "s", &name))
+    return EXPP_ReturnPyObjError (PyExc_AttributeError,
+            "expected string argument");
+
+  /* Use the name to search for the text requested. */
+  wanted_txt = NULL;
+  txt_iter = G.main->text.first;
+
+  while ((txt_iter) && (wanted_txt == NULL)) {
+
+    if (strcmp (name, txt_iter->id.name+2) == 0) {
+      wanted_txt = (C_Text *)PyObject_NEW(C_Text, &Text_Type);
+      if (wanted_txt) wanted_txt->text = txt_iter;
+    }
+
+    txt_iter = txt_iter->id.next;
+  }
+
+  if (wanted_txt == NULL) {
+  /* No text exists with the name specified in the argument name. */
+    char error_msg[64];
+    PyOS_snprintf(error_msg, sizeof(error_msg),
+                    "Text \"%s\" not found", name);
+    return EXPP_ReturnPyObjError (PyExc_NameError, error_msg);
+  }
+
+  return (PyObject*)wanted_txt;
+}
+
+static PyObject *M_Text_Load(PyObject *self, PyObject *args)
+{
+  char   *fname;
+  Text   *txt_ptr;
+  C_Text *txt;
+
+  printf ("In Text_Load()\n");
+  
+  if (!PyArg_ParseTuple(args, "s", &fname))
+    return (EXPP_ReturnPyObjError (PyExc_AttributeError,
+            "expected string argument"));
+  
+  txt = (C_Text *)PyObject_NEW(C_Text, &Text_Type);
+
+  if (!txt)
+    return EXPP_ReturnPyObjError (PyExc_MemoryError,
+            "couldn't create PyObject Text_Type");
+
+  txt_ptr = add_text(fname);
+  if (!txt_ptr)
+    return EXPP_ReturnPyObjError (PyExc_IOError,
+            "couldn't load text");
+
+  txt->text = txt_ptr;
+
+  return (PyObject *)txt;
+}
+
+/*@This function removes the text entry from the text editor.
+ * The text is not freed here, but inside the garbage collector. */
+
+/* This function actually makes Blender dump core if the script is repeatedly
+ * executed, gotta investigate better */
+
+static PyObject *M_Text_unlink(PyObject *self, PyObject *args)
+{
+	C_Text *textobj;
+
+	if (!PyArg_ParseTuple(args, "O!", &Text_Type, &textobj))
+    return EXPP_ReturnPyObjError (PyExc_TypeError,
+          "expected a Text object as argument");
+
+	BPY_clear_bad_scriptlinks(textobj->text);
+	free_text_controllers(textobj->text);
+	unlink_text(textobj->text);
+	/*@We actually should not free the text object here, but let the
+	 * __del__ method of the wrapper do the job. This would require some
+	 * changes in the GUI code though.. 
+	 * So we mark the wrapper as invalid by setting wrapper->data = 0 */
+	free_libblock(&G.main->text, textobj->text);
+
+  textobj->text = NULL; /* XXX */
+  Py_XDECREF(textobj); /* XXX just a guess -- works ? */
+
+	Py_INCREF(Py_None);	
+	return Py_None;
+}
+
+/*****************************************************************************/
+/* Function:              M_Text_Init                                      */
+/*****************************************************************************/
+PyObject *M_Text_Init (void)
+{
+  PyObject  *submodule;
+
+  printf ("In M_Text_Init()\n");
+
+  submodule = Py_InitModule3("Blender.Text", M_Text_methods, M_Text_doc);
+
+  return (submodule);
+}
+
+/*****************************************************************************/
+/* Python C_Text methods:                                                  */
+/*****************************************************************************/
+static PyObject *Text_getName(C_Text *self)
+{
+  PyObject *attr = PyString_FromString(self->text->id.name+2);
+
+  if (attr) return attr;
+
+  return EXPP_ReturnPyObjError (PyExc_RuntimeError,
+          "couldn't get Text.name attribute");
+}
+
+static PyObject *Text_getFilename(C_Text *self)
+{
+  PyObject *attr = PyString_FromString(self->text->name);
+
+  if (attr) return attr;
+
+  return EXPP_ReturnPyObjError (PyExc_RuntimeError,
+          "couldn't get Text.filename attribute");
+}
+
+static PyObject *Text_getNLines(C_Text *self)
+{ /* text->nlines isn't updated in Blender (?) */
+  int nlines = 0;
+  TextLine *line;
+  PyObject *attr;
+
+	line = self->text->lines.first;
+
+  while (line) { /* so we have to count them ourselves */
+    line = line->next;
+    nlines++;
+  }
+
+  self->text->nlines = nlines; /* and update Blender, too (should we?) */
+
+  attr = PyInt_FromLong(nlines);
+
+  if (attr) return attr;
+
+  return EXPP_ReturnPyObjError (PyExc_RuntimeError,
+          "couldn't get Text.nlines attribute");
+}
+
+static PyObject *Text_rename(C_Text *self, PyObject *args)
+{
+  char *name;
+  char buf[21];
+
+  if (!PyArg_ParseTuple(args, "s", &name))
+    return (EXPP_ReturnPyObjError (PyExc_AttributeError,
+            "expected string argument"));
+  
+  PyOS_snprintf(buf, sizeof(buf), "%s", name);
+  
+  rename_id(&self->text->id, buf);
+
+  Py_INCREF(Py_None);
+  return Py_None;
+}
+
+static PyObject *Text_clear(C_Text *self, PyObject *args)
+{
+	int oldstate;
+
+	if (!self->text)
+     return EXPP_ReturnPyObjError (PyExc_RuntimeError,
+            "This object isn't linked to a Blender Text Object");
+
+	oldstate = txt_get_undostate();
+	txt_set_undostate(1);
+	txt_sel_all(self->text);
+	txt_cut_sel(self->text);
+	txt_set_undostate(oldstate);
+	
+	Py_INCREF(Py_None);	
+	return Py_None;
+}
+
+static PyObject *Text_set(C_Text *self, PyObject *args)
+{
+	int ival;
+	char *attr;
+
+	if (!PyArg_ParseTuple(args, "si", &attr, &ival))
+       return EXPP_ReturnPyObjError (PyExc_TypeError,
+             "expected a string and an int as arguments");
+
+	if (strcmp("follow_cursor", attr) == 0) {
+		if (ival)
+			self->text->flags |= EXPP_TEXT_MODE_FOLLOW;
+		else
+			self->text->flags &= EXPP_TEXT_MODE_FOLLOW;
+	}
+
+	Py_INCREF(Py_None);	
+	return Py_None;
+}
+
+static PyObject *Text_write(C_Text *self, PyObject *args)
+{
+	char *str;
+	int oldstate;
+
+	if (!self->text)
+     return EXPP_ReturnPyObjError (PyExc_RuntimeError,
+            "This object isn't linked to a Blender Text Object");
+
+	if (!PyArg_ParseTuple(args, "s", &str))
+     return EXPP_ReturnPyObjError (PyExc_TypeError,
+             "expected a string argument");
+
+	oldstate = txt_get_undostate();
+	txt_insert_buf(self->text, str);
+	txt_move_eof(self->text, 0);
+	txt_set_undostate(oldstate);
+
+	Py_INCREF(Py_None);	
+	return Py_None;
+}
+
+static PyObject *Text_asLines(C_Text *self, PyObject *args)
+{
+	TextLine *line;
+	PyObject *list, *ob;
+
+	if (!self->text)
+     return EXPP_ReturnPyObjError (PyExc_RuntimeError,
+            "This object isn't linked to a Blender Text Object");
+
+	line = self->text->lines.first;
+	list= PyList_New(0);
+
+	if (!list)
+     return EXPP_ReturnPyObjError (PyExc_MemoryError,
+            "couldn't create PyList");
+
+	while (line) {
+		ob = Py_BuildValue("s", line->line);
+		PyList_Append(list, ob);	
+		line = line->next;
+	}	
+
+  return list;
+}
+
+/*****************************************************************************/
+/* Function:    TextDeAlloc                                                */
+/* Description: This is a callback function for the C_Text type. It is     */
+/*              the destructor function.                                     */
+/*****************************************************************************/
+static void TextDeAlloc (C_Text *self)
+{
+  PyObject_DEL (self);
+}
+
+/*****************************************************************************/
+/* Function:    TextGetAttr                                                */
+/* Description: This is a callback function for the C_Text type. It is     */
+/*              the function that accesses C_Text member variables and     */
+/*              methods.                                                     */
+/*****************************************************************************/
+static PyObject* TextGetAttr (C_Text *self, char *name)
+{
+  PyObject *attr = Py_None;
+
+  if (strcmp(name, "name") == 0)
+    attr = PyString_FromString(self->text->id.name+2);
+  else if (strcmp(name, "filename") == 0)
+    attr = PyString_FromString(self->text->name);
+  else if (strcmp(name, "mode") == 0)
+    attr = PyInt_FromLong(self->text->flags);
+  else if (strcmp(name, "nlines") == 0)
+    attr = Text_getNLines(self);
+
+  else if (strcmp(name, "__members__") == 0)
+    attr = Py_BuildValue("[s,s,s,s]",
+                    "name", "filename", "mode", "nlines");
+
+  if (!attr)
+    return (EXPP_ReturnPyObjError (PyExc_MemoryError,
+                            "couldn't create PyObject"));
+
+  if (attr != Py_None) return attr; /* attribute found, return its value */
+
+  /* not an attribute, search the methods table */
+  return Py_FindMethod(C_Text_methods, (PyObject *)self, name);
+}
+
+/*****************************************************************************/
+/* Function:    TextSetAttr                                                */
+/* Description: This is a callback function for the C_Text type. It is the */
+/*              function that changes Text Data members values. If this    */
+/*              data is linked to a Blender Text, it also gets updated.    */
+/*****************************************************************************/
+static int TextSetAttr (C_Text *self, char *name, PyObject *value)
+{
+  PyObject *valtuple; 
+  PyObject *error = NULL;
+
+/* We're playing a trick on the Python API users here.  Even if they use
+ * Text.member = val instead of Text.setMember(value), we end up using the
+ * function anyway, since it already has error checking, clamps to the right
+ * interval and updates the Blender Text structure when necessary. */
+
+  valtuple = Py_BuildValue("(N)", value); /* the set* functions expect a tuple */
+
+  if (!valtuple)
+    return EXPP_ReturnIntError(PyExc_MemoryError,
+                  "TextSetAttr: couldn't create PyTuple");
+
+  if (strcmp (name, "name") == 0)
+    error = Text_rename (self, valtuple);
+  else { /* Error: no such member in the Text Data structure */
+    Py_DECREF(value);
+    Py_DECREF(valtuple);
+    return (EXPP_ReturnIntError (PyExc_KeyError,
+            "attribute not found or immutable"));
+  }
+
+  Py_DECREF(valtuple);
+
+  if (error != Py_None) return -1;
+
+  Py_DECREF(Py_None); /* incref'ed by the called set* function */
+  return 0; /* normal exit */
+}
+
+/*****************************************************************************/
+/* Function:    TextPrint                                                  */
+/* Description: This is a callback function for the C_Text type. It        */
+/*              builds a meaninful string to 'print' text objects.         */
+/*****************************************************************************/
+static int TextPrint(C_Text *self, FILE *fp, int flags)
+{ 
+  fprintf(fp, "[Text \"%s\"]", self->text->id.name+2);
+  return 0;
+}
+
+/*****************************************************************************/
+/* Function:    TextRepr                                                   */
+/* Description: This is a callback function for the C_Text type. It        */
+/*              builds a meaninful string to represent text objects.       */
+/*****************************************************************************/
+static PyObject *TextRepr (C_Text *self)
+{
+  return PyString_FromString(self->text->id.name+2);
+}