gnt.override

   1 /**
   2  * pygnt- Python bindings for the GNT toolkit.
   3  * Copyright (C) 2007 Sadrul Habib Chowdhury <sadrul@pidgin.im>
   4  *
   5  *   gnt.override: Some generic wrappers.
   6  *                 Support for specifying custom bindings.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301
  21  * USA
  22  */
  23 %%
  24 headers
  25 #include <Python.h>
  26 #include "pygobject.h"
  27 #include "gnt.h"
  28 #include "gntbindable.h"
  29 #include "gntwidget.h"
  30 #include "gntbox.h"
  31 #include "gntbutton.h"
  32 #include "gntcheckbox.h"
  33 #include "gntcolors.h"
  34 #include "gntcombobox.h"
  35 #include "gntentry.h"
  36 #include "gntfilesel.h"
  37 #include "gntkeys.h"
  38 #include "gntlabel.h"
  39 #include "gntline.h"
  40 #include "gntmenu.h"
  41 #include "gntmenuitem.h"
  42 #include "gntmenuitemcheck.h"
  43 #include "gntslider.h"
  44 #include "gntstyle.h"
  45 #include "gnttextview.h"
  46 #include "gnttree.h"
  47 #include "gntutils.h"
  48 #include "gntwindow.h"
  49 #include "gntwm.h"
  50 #include "gntws.h"
  51 #include "common.h"
  52
  53 #define gnt_menu_item_new   gnt_menuitem_new
  54 #define gnt_menu_item_set_submenu  gnt_menuitem_set_submenu
  55 #define gnt_menu_item_set_trigger  gnt_menuitem_set_trigger
  56 #define gnt_menu_item_get_trigger  gnt_menuitem_get_trigger
  57
  58 #define gnt_menu_item_check_new   gnt_menuitem_check_new
  59 #define gnt_menu_item_check_get_checked  gnt_menuitem_check_get_checked
  60 #define gnt_menu_item_check_set_checked  gnt_menuitem_check_set_checked
  61
  62 /* This will keep track of the callbacks for different bindings for custom
  63    pygnt widgets. */
  64 GHashTable *bindings;
  65
  66 %%
  67 include
  68  gntbindable.override
  69  gntbox.override
  70  gntfilesel.override
  71  gntmenu.override
  72  gnttree.override
  73  gntwidget.override
  74 %%
  75 modulename gnt
  76 %%
  77 import gobject.GObject as PyGObject_Type
  78 %%
  79 ignore-glob
  80         *_get_gtype
  81 %%
  82 define set_flag
  83 static PyObject *
  84 _wrap_set_flag(PyGObject *self, PyObject *args, PyObject *kwargs)
  85 {
  86         static char *kwlist[] = {"flags", NULL};
  87         PyGObject *widget;
  88         int flags;
  89
  90         if (!PyArg_ParseTuple(args, "O!i:gnt.set_flag", &PyGntWidget_Type, &widget,
  91                                 &flags)) {
  92                 return NULL;
  93         }
  94
  95         GNT_WIDGET_SET_FLAGS(widget->obj, flags);
  96
  97         Py_INCREF(Py_None);
  98         return Py_None;
  99 }
 100 %%
 101 define unset_flag
 102 static PyObject *
 103 _wrap_unset_flag(PyGObject *self, PyObject *args, PyObject *kwargs)
 104 {
 105         static char *kwlist[] = {"flags", NULL};
 106         PyGObject *widget;
 107         int flags;
 108
 109         if (!PyArg_ParseTuple(args, "O!i:gnt.unset_flag", &PyGntWidget_Type, &widget,
 110                                 &flags)) {
 111                 return NULL;
 112         }
 113
 114         GNT_WIDGET_UNSET_FLAGS(widget->obj, flags);
 115
 116         Py_INCREF(Py_None);
 117         return Py_None;
 118 }
 119 %%
 120 define screen_size noargs
 121 static PyObject *
 122 _wrap_screen_size(PyObject *self)
 123 {
 124         PyObject *list = PyList_New(0);
 125
 126         if (list == NULL)
 127                 return NULL;
 128
 129         PyList_Append(list, PyInt_FromLong((long)getmaxx(stdscr)));
 130         PyList_Append(list, PyInt_FromLong((long)getmaxy(stdscr)));
 131
 132         return list;
 133 }
 134 %%
 135 override gnt_register_action
 136 static GHashTable *actions;
 137
 138
 139
 140 static PyObject *
 141 _wrap_gnt_register_action(PyGObject *self, PyObject *args, PyObject *kwargs)
 142 {
 143         static char *kwlist[] = {"name", "callback", NULL};
 144         PyGObject *callback;
 145         GClosure *closure;
 146         char *name;
 147
 148         if (!PyArg_ParseTuple(args, "sO:gnt.gnt_register_action", &name, &callback)) {
 149                 return NULL;
 150         }
 151
 152         if (!PyCallable_Check(callback)) {
 153                 PyErr_SetString(PyExc_TypeError, "the callback must be callable ... doh!");
 154                 return NULL;
 155         }
 156
 157         gnt_register_action(name, callback->obj);
 158
 159         Py_INCREF(Py_None);
 160         return Py_None;
 161 }
 162 %%
 163 define register_bindings
 164
 165 static gboolean
 166 pygnt_binding_callback(GntBindable *bindable, GList *list)
 167 {
 168         PyObject *wrapper = pygobject_new(G_OBJECT(bindable));
 169         if (list)
 170                 PyObject_CallMethod(wrapper, list->data, "O", Py_None);
 171         Py_DECREF(wrapper);
 172         return TRUE;
 173 }
 174
 175 static PyObject *
 176 _wrap_register_bindings(PyObject *self, PyObject *args)
 177 {
 178         PyTypeObject *class;
 179         int pos = 0;
 180         PyObject *key, *value, *gbindings;
 181         GntBindableClass *bindable;
 182
 183         if (!PyArg_ParseTuple(args, "O!:gnt.register_bindings",
 184                                 &PyType_Type, &class)) {
 185                 /* Make sure it's a GntBindableClass subclass */
 186                 PyErr_SetString(PyExc_TypeError,
 187                                 "argument must be a GntBindable subclass");
 188                 return NULL;
 189         }
 190
 191         gbindings = PyDict_GetItemString(class->tp_dict, "__gntbindings__");
 192         if (!gbindings)
 193                 goto end;
 194
 195         if (!PyDict_Check(gbindings)) {
 196                 PyErr_SetString(PyExc_TypeError,
 197                                 "__gntbindings__ attribute not a dict!");
 198                 return NULL;
 199         }
 200
 201         bindable = g_type_class_ref(pyg_type_from_object((PyObject *)class));
 202         while (PyDict_Next(gbindings, &pos, &key, &value)) {
 203                 const char *trigger, *callback, *name;
 204                 GList *list = NULL;
 205                 char *cbname;
 206
 207                 if (!PyString_Check(key)) {
 208                         PyErr_SetString(PyExc_TypeError,
 209                                         "__gntbindings__ keys must be strings");
 210                         g_type_class_unref(bindable);
 211                         return NULL;
 212                 }
 213                 name = PyString_AsString(key);
 214
 215                 if (!PyTuple_Check(value) ||
 216                                 !PyArg_ParseTuple(value, "ss", &callback, &trigger)) {
 217                         PyErr_SetString(PyExc_TypeError,
 218                                         "__gntbindings__ values must be (callback, trigger) tupples");
 219                         g_type_class_unref(bindable);
 220                         return NULL;
 221                 }
 222
 223                 gnt_bindable_class_register_action(bindable, name, pygnt_binding_callback,
 224                                 trigger, g_strdup(callback), NULL);
 225                 cbname = g_strdup_printf("%s::%s", class->tp_name, name);
 226                 g_hash_table_replace(bindings, cbname, g_strdup(callback));
 227                 /* Do not free cbname here. */
 228         }
 229         if (gbindings)
 230                 PyDict_DelItemString(class->tp_dict, "__gntbindings__");
 231         g_type_class_unref(bindable);
 232
 233 end:
 234         Py_INCREF(Py_None);
 235         return Py_None;
 236 }
 237 %%
 238 define show_menu
 239 static PyObject *
 240 _wrap_show_menu(PyGObject *self, PyObject *args, PyObject *kwargs)
 241 {
 242         PyGObject *menu;
 243
 244         if (!PyArg_ParseTuple(args, "O!:gnt.show_menu", &PyGntMenu_Type, &menu)) {
 245                 return NULL;
 246         }
 247
 248         gnt_screen_menu_show(GNT_MENU(menu->obj));
 249         Py_INCREF(menu);
 250
 251         Py_INCREF(Py_None);
 252         return Py_None;
 253 }
 254 %%
 255 ignore
 256 gnt_util_get_text_bound
 257 %%
 258 define get_text_bound
 259 static PyObject *
 260 _wrap_get_text_bound(PyGObject *self, PyObject *args)
 261 {
 262         PyObject *list;
 263         int w = 0, h = 0;
 264         char *text;
 265
 266     if (!PyArg_ParseTuple(args, "s:gnt.get_text_bound", &text)) {
 267                 return NULL;
 268         }
 269
 270         gnt_util_get_text_bound(text, &w, &h);
 271
 272         list = PyList_New(0);
 273         PyList_Append(list, PyInt_FromLong((long)w));
 274         PyList_Append(list, PyInt_FromLong((long)h));
 275         return list;
 276 }
 277