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  gntcombobox.override
  71  gntfilesel.override
  72  gntmenu.override
  73  gnttree.override
  74  gntwidget.override
  75  gntwindow.override
  76 %%
  77 modulename gnt
  78 %%
  79 import gobject.GObject as PyGObject_Type
  80 %%
  81 ignore-glob
  82         *_get_gtype
  83 %%
  84 define set_flag
  85 static PyObject *
  86 _wrap_set_flag(PyGObject *self, PyObject *args, PyObject *kwargs)
  87 {
  88         static char *kwlist[] = {"flags", NULL};
  89         PyGObject *widget;
  90         int flags;
  91
  92         if (!PyArg_ParseTuple(args, "O!i:gnt.set_flag", &PyGntWidget_Type, &widget,
  93                                 &flags)) {
  94                 return NULL;
  95         }
  96
  97         GNT_WIDGET_SET_FLAGS(widget->obj, flags);
  98
  99         Py_INCREF(Py_None);
 100         return Py_None;
 101 }
 102 %%
 103 define unset_flag
 104 static PyObject *
 105 _wrap_unset_flag(PyGObject *self, PyObject *args, PyObject *kwargs)
 106 {
 107         static char *kwlist[] = {"flags", NULL};
 108         PyGObject *widget;
 109         int flags;
 110
 111         if (!PyArg_ParseTuple(args, "O!i:gnt.unset_flag", &PyGntWidget_Type, &widget,
 112                                 &flags)) {
 113                 return NULL;
 114         }
 115
 116         GNT_WIDGET_UNSET_FLAGS(widget->obj, flags);
 117
 118         Py_INCREF(Py_None);
 119         return Py_None;
 120 }
 121 %%
 122 define screen_size noargs
 123 static PyObject *
 124 _wrap_screen_size(PyObject *self)
 125 {
 126         PyObject *list = PyList_New(0);
 127
 128         if (list == NULL)
 129                 return NULL;
 130
 131         PyList_Append(list, PyInt_FromLong((long)getmaxx(stdscr)));
 132         PyList_Append(list, PyInt_FromLong((long)getmaxy(stdscr)));
 133
 134         return list;
 135 }
 136 %%
 137 override gnt_register_action
 138 static GHashTable *actions;
 139
 140
 141
 142 static PyObject *
 143 _wrap_gnt_register_action(PyGObject *self, PyObject *args, PyObject *kwargs)
 144 {
 145         static char *kwlist[] = {"name", "callback", NULL};
 146         PyGObject *callback;
 147         GClosure *closure;
 148         char *name;
 149
 150         if (!PyArg_ParseTuple(args, "sO:gnt.gnt_register_action", &name, &callback)) {
 151                 return NULL;
 152         }
 153
 154         if (!PyCallable_Check(callback)) {
 155                 PyErr_SetString(PyExc_TypeError, "the callback must be callable ... doh!");
 156                 return NULL;
 157         }
 158
 159         gnt_register_action(name, callback->obj);
 160
 161         Py_INCREF(Py_None);
 162         return Py_None;
 163 }
 164 %%
 165 define register_bindings
 166
 167 static gboolean
 168 pygnt_binding_callback(GntBindable *bindable, GList *list)
 169 {
 170         PyObject *wrapper = pygobject_new(G_OBJECT(bindable));
 171         if (list)
 172                 PyObject_CallMethod(wrapper, list->data, "O", Py_None);
 173         Py_DECREF(wrapper);
 174         return TRUE;
 175 }
 176
 177 static PyObject *
 178 _wrap_register_bindings(PyObject *self, PyObject *args)
 179 {
 180         PyTypeObject *class;
 181         int pos = 0;
 182         PyObject *key, *value, *gbindings;
 183         GntBindableClass *bindable;
 184
 185         if (!PyArg_ParseTuple(args, "O!:gnt.register_bindings",
 186                                 &PyType_Type, &class)) {
 187                 /* Make sure it's a GntBindableClass subclass */
 188                 PyErr_SetString(PyExc_TypeError,
 189                                 "argument must be a GntBindable subclass");
 190                 return NULL;
 191         }
 192
 193         gbindings = PyDict_GetItemString(class->tp_dict, "__gntbindings__");
 194         if (!gbindings)
 195                 goto end;
 196
 197         if (!PyDict_Check(gbindings)) {
 198                 PyErr_SetString(PyExc_TypeError,
 199                                 "__gntbindings__ attribute not a dict!");
 200                 return NULL;
 201         }
 202
 203         bindable = g_type_class_ref(pyg_type_from_object((PyObject *)class));
 204         while (PyDict_Next(gbindings, &pos, &key, &value)) {
 205                 const char *trigger, *callback, *name;
 206                 GList *list = NULL;
 207                 char *cbname;
 208
 209                 if (!PyString_Check(key)) {
 210                         PyErr_SetString(PyExc_TypeError,
 211                                         "__gntbindings__ keys must be strings");
 212                         g_type_class_unref(bindable);
 213                         return NULL;
 214                 }
 215                 name = PyString_AsString(key);
 216
 217                 if (!PyTuple_Check(value) ||
 218                                 !PyArg_ParseTuple(value, "ss", &callback, &trigger)) {
 219                         PyErr_SetString(PyExc_TypeError,
 220                                         "__gntbindings__ values must be (callback, trigger) tupples");
 221                         g_type_class_unref(bindable);
 222                         return NULL;
 223                 }
 224
 225                 gnt_bindable_class_register_action(bindable, name, pygnt_binding_callback,
 226                                 trigger, g_strdup(callback), NULL);
 227                 cbname = g_strdup_printf("%s::%s", class->tp_name, name);
 228                 g_hash_table_replace(bindings, cbname, g_strdup(callback));
 229                 /* Do not free cbname here. */
 230         }
 231         if (gbindings)
 232                 PyDict_DelItemString(class->tp_dict, "__gntbindings__");
 233         g_type_class_unref(bindable);
 234
 235 end:
 236         Py_INCREF(Py_None);
 237         return Py_None;
 238 }
 239 %%
 240 define show_menu
 241 static PyObject *
 242 _wrap_show_menu(PyGObject *self, PyObject *args, PyObject *kwargs)
 243 {
 244         PyGObject *menu;
 245
 246         if (!PyArg_ParseTuple(args, "O!:gnt.show_menu", &PyGntMenu_Type, &menu)) {
 247                 return NULL;
 248         }
 249
 250         gnt_screen_menu_show(GNT_MENU(menu->obj));
 251         Py_INCREF(menu);
 252
 253         Py_INCREF(Py_None);
 254         return Py_None;
 255 }
 256 %%
 257 ignore
 258 gnt_util_get_text_bound
 259 %%
 260 define get_text_bound
 261 static PyObject *
 262 _wrap_get_text_bound(PyGObject *self, PyObject *args)
 263 {
 264         PyObject *list;
 265         int w = 0, h = 0;
 266         char *text;
 267
 268     if (!PyArg_ParseTuple(args, "s:gnt.get_text_bound", &text)) {
 269                 return NULL;
 270         }
 271
 272         gnt_util_get_text_bound(text, &w, &h);
 273
 274         list = PyList_New(0);
 275         PyList_Append(list, PyInt_FromLong((long)w));
 276         PyList_Append(list, PyInt_FromLong((long)h));
 277         return list;
 278 }
 279