libs/gtkmm2ext/popup.cc

   1 /*
   2     Copyright (C) 1998-99 Paul Barton-Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18     $Id$
  19 */
  20
  21 #include <iostream>
  22
  23 #include <gtkmm2ext/popup.h>
  24 #include <gtkmm2ext/utils.h>
  25 #include <gtkmm2ext/gtk_ui.h>
  26
  27 using namespace std;
  28 using namespace Gtk;
  29 using namespace Gtkmm2ext;
  30
  31 PopUp::PopUp (Gtk::WindowPosition pos, unsigned int showfor_msecs, bool doh)
  32         : Window (WINDOW_POPUP)
  33 {
  34         add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
  35         signal_button_press_event().connect(mem_fun(*this,&PopUp::button_click));
  36         set_border_width (12);
  37         add (label);
  38         set_position (pos);
  39
  40         delete_on_hide = doh;
  41         popdown_time = showfor_msecs;
  42         timeout = -1;
  43 }
  44
  45
  46 PopUp::~PopUp ()
  47 {
  48 }
  49
  50 void
  51 PopUp::on_realize ()
  52 {
  53         Gtk::Window::on_realize();
  54         get_window()->set_decorations (Gdk::WMDecoration (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH));
  55 }
  56
  57 gint
  58 PopUp::remove_prompt_timeout (void *arg)
  59 {
  60         PopUp *pup = (PopUp *) arg;
  61
  62         pup->remove ();
  63         return FALSE;
  64 }
  65
  66 static gint idle_delete (void *arg)
  67 {
  68         delete static_cast<PopUp*> (arg);
  69         return FALSE;
  70 }
  71
  72 void
  73 PopUp::remove ()
  74 {
  75         hide ();
  76
  77         if (popdown_time != 0 && timeout != -1) {
  78                 g_source_remove (timeout);
  79         }
  80
  81         if (delete_on_hide) {
  82                 std::cerr << "deleting prompter\n";
  83                 g_idle_add (idle_delete, this);
  84         }
  85 }
  86 #define ENSURE_GUI_THREAD(slot) \
  87      if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {\
  88              Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, (slot)); \
  89         return;\
  90      }
  91
  92
  93 void
  94 PopUp::touch ()
  95 {
  96         ENSURE_GUI_THREAD (mem_fun (*this, &PopUp::touch));
  97
  98         if (is_visible ()) {
  99                 remove ();
 100         } else {
 101                 set_size_request_to_display_given_text (label, my_text.c_str(), 25, 10);
 102                 label.set_text (my_text);
 103                 show_all ();
 104
 105                 if (popdown_time != 0) {
 106                         timeout = g_timeout_add (popdown_time,
 107                                                    remove_prompt_timeout,
 108                                                    this);
 109                 }
 110         }
 111 }
 112
 113 gint
 114 PopUp::button_click (GdkEventButton */*ev*/)
 115 {
 116         remove ();
 117         return TRUE;
 118 }
 119
 120 void
 121 PopUp::set_text (string txt)
 122 {
 123         my_text = txt;
 124 }
 125
 126 void
 127 PopUp::set_name (string name)
 128 {
 129         Window::set_name (name);
 130         label.set_name (name);
 131 }
 132
 133 bool
 134 PopUp::on_delete_event (GdkEventAny* /*ev*/)
 135 {
 136         hide();
 137
 138         if (popdown_time != 0 && timeout != -1) {
 139                 g_source_remove (timeout);
 140         }
 141
 142         if (delete_on_hide) {
 143                 std::cerr << "deleting prompter\n" << endl;
 144                 g_idle_add (idle_delete, this);
 145         }
 146
 147         return true;
 148 }