libempathy-gtk/empathy-cell-renderer-activatable.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007 Raphael Slinckx <raphael@slinckx.net>
   4  * Copyright (C) 2007 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Raphael Slinckx <raphael@slinckx.net>
  22  */
  23
  24 #include <gtk/gtktreeview.h>
  25
  26 #include <libempathy/empathy-debug.h>
  27
  28 #include "empathy-cell-renderer-activatable.h"
  29
  30 #define DEBUG_DOMAIN "CellRendererActivatable"
  31
  32 static void     empathy_cell_renderer_activatable_init       (EmpathyCellRendererActivatable      *cell);
  33 static void     empathy_cell_renderer_activatable_class_init (EmpathyCellRendererActivatableClass *klass);
  34 static gboolean cell_renderer_activatable_activate           (GtkCellRenderer                     *cell,
  35                                                               GdkEvent                            *event,
  36                                                               GtkWidget                           *widget,
  37                                                               const gchar                         *path,
  38                                                               GdkRectangle                        *background_area,
  39                                                               GdkRectangle                        *cell_area,
  40                                                               GtkCellRendererState                 flags);
  41
  42 enum {
  43         PATH_ACTIVATED,
  44         LAST_SIGNAL
  45 };
  46
  47 static guint signals[LAST_SIGNAL];
  48
  49 G_DEFINE_TYPE (EmpathyCellRendererActivatable, empathy_cell_renderer_activatable, GTK_TYPE_CELL_RENDERER_PIXBUF)
  50
  51 static void
  52 empathy_cell_renderer_activatable_init (EmpathyCellRendererActivatable *cell)
  53 {
  54         g_object_set (cell,
  55                       "xpad", 0,
  56                       "ypad", 0,
  57                       "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE,
  58                       "follow-state", TRUE,
  59                       NULL);
  60 }
  61
  62 static void
  63 empathy_cell_renderer_activatable_class_init (EmpathyCellRendererActivatableClass *klass)
  64 {
  65         GtkCellRendererClass *cell_class;
  66
  67         cell_class = GTK_CELL_RENDERER_CLASS (klass);
  68         cell_class->activate = cell_renderer_activatable_activate;
  69
  70         signals[PATH_ACTIVATED] =
  71                 g_signal_new ("path-activated",
  72                               G_TYPE_FROM_CLASS (klass),
  73                               G_SIGNAL_RUN_LAST,
  74                               0,
  75                               NULL, NULL,
  76                               g_cclosure_marshal_VOID__STRING,
  77                               G_TYPE_NONE,
  78                               1, G_TYPE_STRING);
  79 }
  80
  81 GtkCellRenderer *
  82 empathy_cell_renderer_activatable_new (void)
  83 {
  84         return g_object_new (EMPATHY_TYPE_CELL_RENDERER_ACTIVATABLE, NULL);
  85 }
  86
  87 static gboolean
  88 cell_renderer_activatable_activate (GtkCellRenderer      *cell,
  89                                     GdkEvent             *event,
  90                                     GtkWidget            *widget,
  91                                     const gchar          *path_string,
  92                                     GdkRectangle         *background_area,
  93                                     GdkRectangle         *cell_area,
  94                                     GtkCellRendererState  flags)
  95 {
  96         EmpathyCellRendererActivatable *activatable;
  97         gint                            ex, ey, bx, by, bw, bh;
  98
  99         activatable = EMPATHY_CELL_RENDERER_ACTIVATABLE (cell);
 100
 101         if (!GTK_IS_TREE_VIEW (widget) ||
 102             event->type != GDK_BUTTON_PRESS) {
 103                 return FALSE;
 104         }
 105
 106         ex  = (gint) ((GdkEventButton *) event)->x;
 107         ey  = (gint) ((GdkEventButton *) event)->y;
 108         bx = background_area->x;
 109         by = background_area->y;
 110         bw = background_area->width;
 111         bh = background_area->height;
 112
 113         if (ex < bx || ex > (bx+bw) || ey < by || ey > (by+bh)){
 114                 /* Click wasn't on the icon */
 115                 return FALSE;
 116         }
 117
 118         g_signal_emit (activatable, signals[PATH_ACTIVATED], 0, path_string);
 119
 120         return TRUE;
 121 }
 122