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/*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <Python.h>
#include "RNA_access.h"
#include "DNA_space_types.h"
#include "BKE_context.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "../../python/intern/bpy_rna.h"
#include "spreadsheet_from_python.hh"
namespace blender::ed::spreadsheet {
class PythonSpreadsheetDrawer : public SpreadsheetDrawer {
private:
PyObject *py_drawer_;
public:
PythonSpreadsheetDrawer(PyObject *py_drawer) : py_drawer_(py_drawer)
{
BLI_assert(py_drawer_ != nullptr);
BLI_assert(py_drawer_ != Py_None);
Py_INCREF(py_drawer_);
PyObject *py_column_amount = PyObject_CallMethod(py_drawer_, "get_column_amount", "");
this->tot_columns = PyLong_AsLong(py_column_amount);
Py_DECREF(py_column_amount);
PyObject *py_row_amount = PyObject_CallMethod(py_drawer_, "get_row_amount", "");
this->tot_rows = PyLong_AsLong(py_row_amount);
Py_DecRef(py_row_amount);
}
~PythonSpreadsheetDrawer() override
{
PyGILState_STATE gilstate = PyGILState_Ensure();
Py_DECREF(py_drawer_);
PyGILState_Release(gilstate);
}
void draw_top_row_cell(int column_index, const CellDrawParams ¶ms) const override
{
PyGILState_STATE gilstate = PyGILState_Ensure();
PyObject *py_cell_content = PyObject_CallMethod(
py_drawer_, "get_top_row_cell", "i", column_index);
this->draw_cell_content(params, py_cell_content);
Py_DecRef(py_cell_content);
PyGILState_Release(gilstate);
}
void draw_left_column_cell(int row_index, const CellDrawParams ¶ms) const override
{
PyGILState_STATE gilstate = PyGILState_Ensure();
PyObject *py_cell_content = PyObject_CallMethod(
py_drawer_, "get_left_column_cell", "i", row_index);
this->draw_cell_content(params, py_cell_content);
Py_DecRef(py_cell_content);
PyGILState_Release(gilstate);
}
void draw_content_cell(int row_index,
int column_index,
const CellDrawParams ¶ms) const override
{
PyGILState_STATE gilstate = PyGILState_Ensure();
PyObject *py_cell_content = PyObject_CallMethod(
py_drawer_, "get_content_cell", "ii", row_index, column_index);
this->draw_cell_content(params, py_cell_content);
Py_DecRef(py_cell_content);
PyGILState_Release(gilstate);
}
private:
void draw_cell_content(const CellDrawParams ¶ms, PyObject *py_cell_content) const
{
if (py_cell_content == nullptr) {
return;
}
if (py_cell_content == Py_None) {
return;
}
if (PyUnicode_Check(py_cell_content)) {
const char *str = PyUnicode_AsUTF8(py_cell_content);
uiDefIconTextBut(params.block,
UI_BTYPE_LABEL,
0,
ICON_NONE,
str,
params.xmin,
params.ymin,
params.width,
params.height,
nullptr,
0,
0,
0,
0,
nullptr);
}
if (PyLong_Check(py_cell_content)) {
const int value = PyLong_AsLong(py_cell_content);
const std::string value_str = std::to_string(value);
uiDefIconTextBut(params.block,
UI_BTYPE_LABEL,
0,
ICON_NONE,
value_str.c_str(),
params.xmin,
params.ymin,
params.width,
params.height,
nullptr,
0,
0,
0,
0,
nullptr);
}
}
};
std::unique_ptr<SpreadsheetDrawer> spreadsheet_drawer_from_python(const bContext *C)
{
SpaceSpreadsheet *sspreadsheet = CTX_wm_space_spreadsheet(C);
PointerRNA sspreadsheet_rna;
RNA_pointer_create(nullptr, &RNA_SpaceSpreadsheet, sspreadsheet, &sspreadsheet_rna);
std::unique_ptr<SpreadsheetDrawer> drawer;
PyGILState_STATE gilstate = PyGILState_Ensure();
PyObject *py_module = PyImport_ImportModule("bpy_spreadsheet");
PyObject *py_get_drawer_func = PyObject_GetAttrString(py_module, "get_spreadsheet_drawer");
PyObject *py_sspreadsheet = pyrna_struct_CreatePyObject(&sspreadsheet_rna);
PyObject *py_drawer = PyObject_CallFunction(py_get_drawer_func, "O", py_sspreadsheet);
if (py_drawer != Py_None) {
drawer = std::make_unique<PythonSpreadsheetDrawer>(py_drawer);
}
Py_DECREF(py_drawer);
Py_DECREF(py_sspreadsheet);
PyGILState_Release(gilstate);
return drawer;
}
} // namespace blender::ed::spreadsheet
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