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