Campbell Barton
a05f95f347
* moved to getseters (use new generic ID funcs) * added 'reflect' attribute Text.c * moved to getseters (new generic ID funcs too) NLA.c * moved to getseters (ditto) Ipo.c * bugfix, allow nested loops on an IPO's curves. Blender.c * removed undocumented function RemoveFakeuser, since actions now have the fakeUser attribute.
650 lines
22 KiB
C
650 lines
22 KiB
C
/*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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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. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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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 Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* This is a new part of Blender.
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*
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* Contributor(s): Willian P. Germano
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include "Text.h" /*This must come first*/
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#include "BKE_library.h"
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#include "BKE_sca.h"
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#include "BKE_global.h"
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#include "BKE_main.h"
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#include "BIF_drawtext.h"
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#include "BKE_text.h"
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#include "BLI_blenlib.h"
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#include "DNA_space_types.h"
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#include "gen_utils.h"
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#include "../BPY_extern.h"
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/* used only for makeCurrent, this may be deprecated when Blender.Base is implimented */
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#include "BIF_screen.h"
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#include "DNA_space_types.h"
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#include "DNA_screen_types.h"
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#define EXPP_TEXT_MODE_FOLLOW TXT_FOLLOW
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/*****************************************************************************/
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/* Python API function prototypes for the Text module. */
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/*****************************************************************************/
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static PyObject *M_Text_New( PyObject * self, PyObject * args);
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static PyObject *M_Text_Get( PyObject * self, PyObject * args );
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static PyObject *M_Text_Load( PyObject * self, PyObject * args );
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static PyObject *M_Text_unlink( PyObject * self, PyObject * args );
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/*****************************************************************************/
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/* The following string definitions are used for documentation strings. */
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/* In Python these will be written to the console when doing a */
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/* Blender.Text.__doc__ */
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/*****************************************************************************/
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static char M_Text_doc[] = "The Blender Text module\n\n";
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static char M_Text_New_doc[] = "() - return a new Text object";
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static char M_Text_Get_doc[] = "(name) - return the Text with name 'name', \
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returns None if not found.\n If 'name' is not specified, \
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it returns a list of all Texts in the\ncurrent scene.";
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static char M_Text_Load_doc[] =
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"(filename) - return text from file filename as a Text Object, \
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returns None if not found.\n";
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static char M_Text_unlink_doc[] =
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"(text) - remove Text object 'text' from Blender";
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/*****************************************************************************/
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/* Python method structure definition for Blender.Text module: */
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/*****************************************************************************/
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struct PyMethodDef M_Text_methods[] = {
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{"New", M_Text_New, METH_VARARGS, M_Text_New_doc},
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{"Get", M_Text_Get, METH_VARARGS, M_Text_Get_doc},
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{"get", M_Text_Get, METH_VARARGS, M_Text_Get_doc},
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{"Load", M_Text_Load, METH_VARARGS, M_Text_Load_doc},
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{"unlink", M_Text_unlink, METH_VARARGS, M_Text_unlink_doc},
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{NULL, NULL, 0, NULL}
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};
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static int Text_IsLinked( BPy_Text * self );
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/*****************************************************************************/
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/* Python BPy_Text methods declarations: */
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/*****************************************************************************/
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static PyObject *Text_getFilename( BPy_Text * self );
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static PyObject *Text_getNLines( BPy_Text * self );
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static PyObject *Text_clear( BPy_Text * self );
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static PyObject *Text_write( BPy_Text * self, PyObject * args );
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static PyObject *Text_set( BPy_Text * self, PyObject * args );
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static PyObject *Text_asLines( BPy_Text * self );
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static PyObject *Text_makeCurrent( BPy_Text * self );
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/*****************************************************************************/
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/* Python BPy_Text methods table: */
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/*****************************************************************************/
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static PyMethodDef BPy_Text_methods[] = {
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/* name, method, flags, doc */
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{"getName", ( PyCFunction ) GenericLib_getName, METH_NOARGS,
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"() - Return Text Object name"},
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{"getFilename", ( PyCFunction ) Text_getFilename, METH_VARARGS,
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"() - Return Text Object filename"},
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{"getNLines", ( PyCFunction ) Text_getNLines, METH_VARARGS,
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"() - Return number of lines in text buffer"},
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{"setName", ( PyCFunction ) GenericLib_setName_with_method, METH_VARARGS,
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"(str) - Change Text Object name"},
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{"clear", ( PyCFunction ) Text_clear, METH_NOARGS,
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"() - Clear Text buffer"},
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{"write", ( PyCFunction ) Text_write, METH_VARARGS,
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"(line) - Append string 'str' to Text buffer"},
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{"set", ( PyCFunction ) Text_set, METH_VARARGS,
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"(name, val) - Set attribute 'name' to value 'val'"},
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{"asLines", ( PyCFunction ) Text_asLines, METH_NOARGS,
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"() - Return text buffer as a list of lines"},
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{"makeCurrent", ( PyCFunction ) Text_makeCurrent, METH_NOARGS,
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"() - display this text."},
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{NULL, NULL, 0, NULL}
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};
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/*****************************************************************************/
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/* Python Text_Type callback function prototypes: */
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/*****************************************************************************/
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static void Text_dealloc( BPy_Text * self );
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static int Text_compare( BPy_Text * a, BPy_Text * b );
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static PyObject *Text_repr( BPy_Text * self );
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/*****************************************************************************/
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/* Function: M_Text_New */
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/* Python equivalent: Blender.Text.New */
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/*****************************************************************************/
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static PyObject *M_Text_New( PyObject * self, PyObject * args)
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{
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char *name = NULL;
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char buf[21];
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int follow = 0;
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Text *bl_text; /* blender text object */
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PyObject *py_text; /* python wrapper */
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if( !PyArg_ParseTuple( args, "|si", &name, &follow ) )
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return EXPP_ReturnPyObjError( PyExc_AttributeError,
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"expected string and int arguments (or nothing)" );
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bl_text = add_empty_text( );
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if( bl_text ) {
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/* do not set user count because Text is already linked */
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/* create python wrapper obj */
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py_text = Text_CreatePyObject( bl_text );
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} else
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"couldn't create Text Object in Blender" );
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if( !py_text )
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return EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create Text Object wrapper" );
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if( follow )
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bl_text->flags |= EXPP_TEXT_MODE_FOLLOW;
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if( name ) {
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PyOS_snprintf( buf, sizeof( buf ), "%s", name );
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rename_id( &bl_text->id, buf );
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}
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return py_text;
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}
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/*****************************************************************************/
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/* Function: M_Text_Get */
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/* Python equivalent: Blender.Text.Get */
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/* Description: Receives a string and returns the text object */
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/* whose name matches the string. If no argument is */
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/* passed in, a list of all text names in the current */
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/* scene is returned. */
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/*****************************************************************************/
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static PyObject *M_Text_Get( PyObject * self, PyObject * args )
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{
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char *name = NULL;
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Text *txt_iter;
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if( !PyArg_ParseTuple( args, "|s", &name ) )
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return ( EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected string argument (or nothing)" ) );
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txt_iter = G.main->text.first;
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if( name ) { /* (name) - Search text by name */
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PyObject *wanted_txt = NULL;
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while( ( txt_iter ) && ( wanted_txt == NULL ) ) {
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if( strcmp( name, txt_iter->id.name + 2 ) == 0 ) {
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wanted_txt = Text_CreatePyObject( txt_iter );
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}
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txt_iter = txt_iter->id.next;
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}
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if( wanted_txt == NULL ) { /* Requested text doesn't exist */
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char error_msg[64];
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PyOS_snprintf( error_msg, sizeof( error_msg ),
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"Text \"%s\" not found", name );
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return ( EXPP_ReturnPyObjError
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( PyExc_NameError, error_msg ) );
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}
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return wanted_txt;
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}
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else { /* () - return a list of all texts in the scene */
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int index = 0;
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PyObject *txtlist, *pyobj;
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txtlist = PyList_New( BLI_countlist( &( G.main->text ) ) );
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if( txtlist == NULL )
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return ( EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create PyList" ) );
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while( txt_iter ) {
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pyobj = Text_CreatePyObject( txt_iter );
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if( !pyobj )
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return ( EXPP_ReturnPyObjError
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( PyExc_MemoryError,
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"couldn't create PyString" ) );
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PyList_SET_ITEM( txtlist, index, pyobj );
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txt_iter = txt_iter->id.next;
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index++;
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}
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return ( txtlist );
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}
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}
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/*****************************************************************************/
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/* Function: M_Text_Load */
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/* Python equivalent: Blender.Text.Load */
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/* Description: Receives a filename and returns the text object */
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/* created from the corresponding file. */
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/*****************************************************************************/
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static PyObject *M_Text_Load( PyObject * self, PyObject * args )
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{
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char *fname = NULL;
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char fpath[FILE_MAXDIR + FILE_MAXFILE];
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Text *txt_ptr = NULL;
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unsigned int maxlen = FILE_MAXDIR + FILE_MAXFILE;
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if( !PyArg_ParseTuple( args, "s", &fname ) )
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return ( EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected string argument" ) );
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if (strlen(fname) > (maxlen - 1))
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return EXPP_ReturnPyObjError (PyExc_AttributeError,
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"text filename too long");
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else if (!BLI_exists(fname))
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return EXPP_ReturnPyObjError (PyExc_AttributeError,
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"text file not found");
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BLI_strncpy(fpath, fname, maxlen);
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txt_ptr = add_text( fpath );
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if( !txt_ptr )
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return EXPP_ReturnPyObjError( PyExc_IOError,
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"couldn't load text" );
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return Text_CreatePyObject(txt_ptr);
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}
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/*****************************************************************************/
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/* Function: M_Text_unlink */
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/* Python equivalent: Blender.Text.unlink */
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/* Description: Removes the given Text object from Blender */
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/*****************************************************************************/
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static PyObject *M_Text_unlink( PyObject * self, PyObject * args )
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{
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BPy_Text *textobj;
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Text *text;
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if( !PyArg_ParseTuple( args, "O!", &Text_Type, &textobj ) )
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected a Text object as argument" );
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text = ( ( BPy_Text * ) textobj )->text;
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if( !text )
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"this text was already unlinked!" );
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BPY_clear_bad_scriptlinks( text );
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free_text_controllers( text );
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unlink_text( text );
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free_libblock( &G.main->text, text );
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( ( BPy_Text * ) textobj )->text = NULL;
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Py_RETURN_NONE;
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}
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/*****************************************************************************/
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/* Function: Text_Init */
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/*****************************************************************************/
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PyObject *Text_Init( void )
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{
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PyObject *submodule;
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if( PyType_Ready( &Text_Type ) < 0 )
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return NULL;
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submodule =
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Py_InitModule3( "Blender.Text", M_Text_methods, M_Text_doc );
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return ( submodule );
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}
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/*****************************************************************************/
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/* Function: Text_CreatePyObject */
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/*****************************************************************************/
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PyObject *Text_CreatePyObject( Text * txt )
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{
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BPy_Text *pytxt;
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pytxt = ( BPy_Text * ) PyObject_NEW( BPy_Text, &Text_Type );
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if( !pytxt )
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return EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create BPy_Text PyObject" );
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pytxt->text = txt;
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return ( PyObject * ) pytxt;
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}
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/*****************************************************************************/
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/* Python BPy_Text methods: */
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/*****************************************************************************/
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static PyObject *Text_getFilename( BPy_Text * self )
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{
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PyObject *attr;
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char *name = self->text->name;
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if( name )
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attr = PyString_FromString( self->text->name );
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else
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attr = Py_None;
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if( attr )
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return attr;
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"couldn't get Text.filename attribute" );
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}
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static PyObject *Text_getNLines( BPy_Text * self )
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{ /* text->nlines isn't updated in Blender (?) */
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int nlines = 0;
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TextLine *line;
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PyObject *attr;
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line = self->text->lines.first;
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while( line ) { /* so we have to count them ourselves */
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line = line->next;
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nlines++;
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}
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self->text->nlines = nlines; /* and update Blender, too (should we?) */
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attr = PyInt_FromLong( nlines );
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if( attr )
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return attr;
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"couldn't get Text.nlines attribute" );
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}
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static PyObject *Text_clear( BPy_Text * self)
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{
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int oldstate;
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if( !self->text )
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"This object isn't linked to a Blender Text Object" );
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oldstate = txt_get_undostate( );
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txt_set_undostate( 1 );
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txt_sel_all( self->text );
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txt_cut_sel( self->text );
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txt_set_undostate( oldstate );
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Py_RETURN_NONE;
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}
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static PyObject *Text_set( BPy_Text * self, PyObject * args )
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{
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int ival;
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char *attr;
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if( !PyArg_ParseTuple( args, "si", &attr, &ival ) )
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected a string and an int as arguments" );
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if( strcmp( "follow_cursor", attr ) == 0 ) {
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if( ival )
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self->text->flags |= EXPP_TEXT_MODE_FOLLOW;
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else
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self->text->flags &= EXPP_TEXT_MODE_FOLLOW;
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}
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Py_RETURN_NONE;
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}
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static PyObject *Text_write( BPy_Text * self, PyObject * args )
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{
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char *str;
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int oldstate;
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if( !self->text )
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"This object isn't linked to a Blender Text Object" );
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if( !PyArg_ParseTuple( args, "s", &str ) )
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected string argument" );
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oldstate = txt_get_undostate( );
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txt_insert_buf( self->text, str );
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txt_move_eof( self->text, 0 );
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txt_set_undostate( oldstate );
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Py_RETURN_NONE;
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}
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static PyObject *Text_asLines( BPy_Text * self )
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{
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TextLine *line;
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PyObject *list, *ob;
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if( !self->text )
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"This object isn't linked to a Blender Text Object" );
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line = self->text->lines.first;
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list = PyList_New( 0 );
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if( !list )
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return EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create PyList" );
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while( line ) {
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ob = Py_BuildValue( "s", line->line );
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PyList_Append( list, ob );
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line = line->next;
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}
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return list;
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}
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static PyObject *Text_makeCurrent( BPy_Text * self )
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{
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SpaceText *st= curarea->spacedata.first;
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if( !self->text )
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"This object isn't linked to a Blender Text Object" );
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if(st->spacetype!=SPACE_TEXT)
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Py_RETURN_NONE;
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st->text = self->text;
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Py_RETURN_NONE;
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}
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/*****************************************************************************/
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/* Function: Text_dealloc */
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/* Description: This is a callback function for the BPy_Text type. It is */
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/* the destructor function. */
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/*****************************************************************************/
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static void Text_dealloc( BPy_Text * self )
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{
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PyObject_DEL( self );
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}
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/*****************************************************************************/
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/* Function: Text_compare */
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/* Description: This is a callback function for the BPy_Text type. It */
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/* compares two Text_Type objects. Only the "==" and "!=" */
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/* comparisons are meaninful. Returns 0 for equality and -1 if */
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/* they don't point to the same Blender Text struct. */
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/* In Python it becomes 1 if they are equal, 0 otherwise. */
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/*****************************************************************************/
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static int Text_compare( BPy_Text * a, BPy_Text * b )
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{
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return ( a->text == b->text ) ? 0 : -1;
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}
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/*****************************************************************************/
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/* Function: Text_repr */
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/* Description: This is a callback function for the BPy_Text type. It */
|
|
/* builds a meaninful string to represent text objects. */
|
|
/*****************************************************************************/
|
|
static PyObject *Text_repr( BPy_Text * self )
|
|
{
|
|
if( self->text && Text_IsLinked( self ) )
|
|
return PyString_FromFormat( "[Text \"%s\"]",
|
|
self->text->id.name + 2 );
|
|
else
|
|
return PyString_FromString( "[Text <deleted>]" );
|
|
}
|
|
|
|
/* Internal function to confirm if a Text wasn't unlinked.
|
|
* This is necessary because without it, if a script writer
|
|
* referenced an already unlinked Text obj, Blender would crash. */
|
|
static int Text_IsLinked( BPy_Text * self )
|
|
{
|
|
Text *txt_iter = G.main->text.first;
|
|
|
|
while( txt_iter ) {
|
|
if( self->text == txt_iter )
|
|
return 1; /* ok, still linked */
|
|
|
|
txt_iter = txt_iter->id.next;
|
|
}
|
|
/* uh-oh, it was already deleted */
|
|
self->text = NULL; /* so we invalidate the pointer */
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Python attributes get/set functions: */
|
|
/*****************************************************************************/
|
|
static PyObject *Text_getMode(BPy_Text * self)
|
|
{
|
|
return PyInt_FromLong( self->text->flags );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Python attributes get/set structure: */
|
|
/*****************************************************************************/
|
|
static PyGetSetDef BPy_Text_getseters[] = {
|
|
GENERIC_LIB_GETSETATTR,
|
|
{"filename", (getter)Text_getFilename, (setter)NULL,
|
|
"text filename", NULL},
|
|
{"mode", (getter)Text_getMode, (setter)NULL,
|
|
"text mode flag", NULL},
|
|
{"nlines", (getter)Text_getNLines, (setter)NULL,
|
|
"number of lines", NULL},
|
|
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Python Text_Type structure definition: */
|
|
/*****************************************************************************/
|
|
PyTypeObject Text_Type = {
|
|
PyObject_HEAD_INIT( NULL )
|
|
NULL, /* ob_size */
|
|
"Blender Text", /* tp_name */
|
|
sizeof( BPy_Text ), /* tp_basicsize */
|
|
NULL, /* tp_itemsize */
|
|
/* methods */
|
|
( destructor ) Text_dealloc, /* tp_dealloc */
|
|
NULL, /* tp_print */
|
|
NULL, /* tp_getattr */
|
|
NULL, /* tp_setattr */
|
|
( cmpfunc ) Text_compare, /* tp_compare */
|
|
( reprfunc ) Text_repr, /* tp_repr */
|
|
|
|
/* Method suites for standard classes */
|
|
|
|
NULL, /* PyNumberMethods *tp_as_number; */
|
|
NULL, /* PySequenceMethods *tp_as_sequence; */
|
|
NULL, /* PyMappingMethods *tp_as_mapping; */
|
|
|
|
/* More standard operations (here for binary compatibility) */
|
|
|
|
NULL, /* hashfunc tp_hash; */
|
|
NULL, /* ternaryfunc tp_call; */
|
|
NULL, /* reprfunc tp_str; */
|
|
NULL, /* getattrofunc tp_getattro; */
|
|
NULL, /* setattrofunc tp_setattro; */
|
|
|
|
/* Functions to access object as input/output buffer */
|
|
NULL, /* PyBufferProcs *tp_as_buffer; */
|
|
|
|
/*** Flags to define presence of optional/expanded features ***/
|
|
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
|
|
|
|
NULL, /* char *tp_doc; Documentation string */
|
|
/*** Assigned meaning in release 2.0 ***/
|
|
/* call function for all accessible objects */
|
|
NULL, /* traverseproc tp_traverse; */
|
|
|
|
/* delete references to contained objects */
|
|
NULL, /* inquiry tp_clear; */
|
|
|
|
/*** Assigned meaning in release 2.1 ***/
|
|
/*** rich comparisons ***/
|
|
NULL, /* richcmpfunc tp_richcompare; */
|
|
|
|
/*** weak reference enabler ***/
|
|
0, /* long tp_weaklistoffset; */
|
|
|
|
/*** Added in release 2.2 ***/
|
|
/* Iterators */
|
|
NULL, /* getiterfunc tp_iter; */
|
|
NULL, /* iternextfunc tp_iternext; */
|
|
|
|
/*** Attribute descriptor and subclassing stuff ***/
|
|
BPy_Text_methods, /* struct PyMethodDef *tp_methods; */
|
|
NULL, /* struct PyMemberDef *tp_members; */
|
|
BPy_Text_getseters, /* struct PyGetSetDef *tp_getset; */
|
|
NULL, /* struct _typeobject *tp_base; */
|
|
NULL, /* PyObject *tp_dict; */
|
|
NULL, /* descrgetfunc tp_descr_get; */
|
|
NULL, /* descrsetfunc tp_descr_set; */
|
|
0, /* long tp_dictoffset; */
|
|
NULL, /* initproc tp_init; */
|
|
NULL, /* allocfunc tp_alloc; */
|
|
NULL, /* newfunc tp_new; */
|
|
/* Low-level free-memory routine */
|
|
NULL, /* freefunc tp_free; */
|
|
/* For PyObject_IS_GC */
|
|
NULL, /* inquiry tp_is_gc; */
|
|
NULL, /* PyObject *tp_bases; */
|
|
/* method resolution order */
|
|
NULL, /* PyObject *tp_mro; */
|
|
NULL, /* PyObject *tp_cache; */
|
|
NULL, /* PyObject *tp_subclasses; */
|
|
NULL, /* PyObject *tp_weaklist; */
|
|
NULL
|
|
};
|