Dogcows Code - chaz/openbox/blob - otk/messagedialog.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #include "config.h"
   4
   5 #include "messagedialog.hh"
   6 #include "assassin.hh"
   7 #include "button.hh"
   8 #include "label.hh"
   9 #include "display.hh"
  10 #include "property.hh"
  11 #include "eventdispatcher.hh"
  12 #include "timer.hh"
  13
  14 #include <algorithm>
  15
  16 namespace otk {
  17
  18 DialogButton MessageDialog::_default_result("", false);
  19
  20 class DialogButtonWidget : public Button {
  21   MessageDialog *_dia;
  22   const DialogButton &_res;
  23 public:
  24   DialogButtonWidget(Widget *parent, MessageDialog *dia,
  25                      const DialogButton &b)
  26     : Button(parent),
  27       _dia(dia),
  28       _res(b)
  29   {
  30     assert(dia);
  31     setBevel(1);
  32     setMaxSize(Size(0,0));
  33     setText(b.label());
  34     setHighlighted(b.isDefault());
  35     show();
  36   }
  37
  38   virtual void buttonPressHandler(const XButtonEvent &e) {
  39     // limit to the left button
  40     if (e.button == Button1)
  41       Button::buttonPressHandler(e);
  42   }
  43   virtual void clickHandler(unsigned int) {
  44     _dia->setResult(_res);
  45     _dia->hide();
  46   }
  47 };
  48
  49 MessageDialog::MessageDialog(int screen, EventDispatcher *ed, ustring title,
  50                              ustring caption)
  51   : Widget(screen, ed, Widget::Vertical)
  52 {
  53   init(title, caption);
  54 }
  55
  56 MessageDialog::MessageDialog(EventDispatcher *ed, ustring title,
  57                              ustring caption)
  58   : Widget(DefaultScreen(**display), ed, Widget::Vertical)
  59 {
  60   init(title, caption);
  61 }
  62
  63 MessageDialog::MessageDialog(Widget *parent, ustring title, ustring caption)
  64   : Widget(parent, Widget::Vertical)
  65 {
  66   init(title, caption);
  67 }
  68
  69 void MessageDialog::init(const ustring &title, const ustring &caption)
  70 {
  71   _label = new Label(this);
  72   _label->show();
  73   _label->setHighlighted(true);
  74   _button_holder = new Widget(this, Widget::Horizontal);
  75   _button_holder->show();
  76   _return = XKeysymToKeycode(**display, XStringToKeysym("Return"));
  77   _escape = XKeysymToKeycode(**display, XStringToKeysym("Escape"));
  78   _result = &_default_result;
  79
  80   setEventMask(eventMask() | KeyPressMask);
  81   _label->setText(caption);
  82   if (title.utf8())
  83     otk::Property::set(window(), otk::Property::atoms.net_wm_name,
  84                        otk::Property::utf8, title);
  85   otk::Property::set(window(), otk::Property::atoms.wm_name,
  86                      otk::Property::ascii, otk::ustring(title.c_str(), false));
  87
  88   // set WM Protocols on the window
  89   Atom protocols[2];
  90   protocols[0] = Property::atoms.wm_protocols;
  91   protocols[1] = Property::atoms.wm_delete_window;
  92   XSetWMProtocols(**display, window(), protocols, 2);
  93 }
  94
  95 MessageDialog::~MessageDialog()
  96 {
  97   if (visible()) hide();
  98   delete _button_holder;
  99   delete _label;
 100 }
 101
 102 const DialogButton& MessageDialog::run()
 103 {
 104   show();
 105
 106   while (visible()) {
 107     dispatcher()->dispatchEvents();
 108     if (visible())
 109       Timer::dispatchTimers(); // fire pending events
 110   }
 111   return *_result;
 112 }
 113
 114 void MessageDialog::show()
 115 {
 116   std::vector<DialogButton>::const_iterator it, end = _buttons.end();
 117   for (it = _buttons.begin(); it != end; ++it)
 118     _button_widgets.push_back(new DialogButtonWidget(_button_holder,
 119                                                      this, *it));
 120
 121   XSizeHints size;
 122   size.flags = PMinSize;
 123   size.min_width = minSize().width();
 124   size.min_height = minSize().height();
 125   XSetWMNormalHints(**display, window(), &size);
 126
 127   Size dest = area().size();
 128   if (dest.width() < 200 || dest.height() < 100) {
 129     if (dest.width() < 200 && dest.height() < 100) dest = Size(200, 100);
 130     else if (dest.width() < 200) dest = Size(200, dest.height());
 131     else dest = Size(dest.width(), 100);
 132     resize(dest);
 133   }
 134
 135   Widget::show();
 136 }
 137
 138 void MessageDialog::hide()
 139 {
 140   Widget::hide();
 141   std::for_each(_button_widgets.begin(), _button_widgets.end(),
 142                 PointerAssassin());
 143 }
 144
 145 void MessageDialog::keyPressHandler(const XKeyEvent &e)
 146 {
 147   if (e.keycode == _return) {
 148     std::vector<DialogButton>::const_iterator it, end = _buttons.end();
 149     for (it = _buttons.begin(); it != end; ++it)
 150       if (it->isDefault()) {
 151         _result = &(*it);
 152         break;
 153       }
 154     hide();
 155   } else if (e.keycode == _escape) {
 156     hide();
 157   }
 158 }
 159
 160 void MessageDialog::clientMessageHandler(const XClientMessageEvent &e)
 161 {
 162   EventHandler::clientMessageHandler(e);
 163   if (e.message_type == Property::atoms.wm_protocols &&
 164       static_cast<Atom>(e.data.l[0]) == Property::atoms.wm_delete_window)
 165     hide();
 166 }
 167
 168 }