src/MuleNotebook.cpp

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2004-2008 Angel Vidal ( kry@amule.org )
   5 // Copyright (c) 2004-2008 aMule Team ( admin@amule.org / http://www.amule.org )
   6 //
   7 // Any parts of this program derived from the xMule, lMule or eMule project,
   8 // or contributed by third-party developers are copyrighted by their
   9 // respective authors.
  10 //
  11 // This program is free software; you can redistribute it and/or modify
  12 // it under the terms of the GNU General Public License as published by
  13 // the Free Software Foundation; either version 2 of the License, or
  14 // (at your option) any later version.
  15 //
  16 // This program is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License
  22 // along with this program; if not, write to the Free Software
  23 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  24 //
  25
  26 #include <wx/menu.h>
  27 #include <wx/intl.h>
  28
  29 #include "MuleNotebook.h"       // Interface declarations
  30
  31 #include <common/MenuIDs.h>
  32
  33 DEFINE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_MULENOTEBOOK_PAGE_CLOSING)
  34 DEFINE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_MULENOTEBOOK_ALL_PAGES_CLOSED)
  35
  36 BEGIN_EVENT_TABLE(CMuleNotebook, wxNotebook)
  37         EVT_RIGHT_DOWN(CMuleNotebook::OnRMButton)
  38
  39         EVT_MENU(MP_CLOSE_TAB,                  CMuleNotebook::OnPopupClose)
  40         EVT_MENU(MP_CLOSE_ALL_TABS,             CMuleNotebook::OnPopupCloseAll)
  41         EVT_MENU(MP_CLOSE_OTHER_TABS,   CMuleNotebook::OnPopupCloseOthers)
  42
  43         // Madcat - tab closing engine
  44         EVT_LEFT_UP(CMuleNotebook::OnMouseLeftRelease)
  45         EVT_MOTION(CMuleNotebook::OnMouseMotion)
  46 END_EVENT_TABLE()
  47
  48 CMuleNotebook::CMuleNotebook( wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name )
  49         : wxNotebook(parent, id, pos, size, style, name)
  50 {
  51         m_popup_enable = true;
  52         m_popup_widget = NULL;
  53 }
  54
  55
  56 CMuleNotebook::~CMuleNotebook()
  57 {
  58         // Ensure that all notifications gets sent
  59         DeleteAllPages();
  60 }
  61
  62
  63 bool CMuleNotebook::DeletePage(int nPage)
  64 {
  65         wxCHECK_MSG((nPage >= 0) && (nPage < (int)GetPageCount()), false,
  66                 wxT("Trying to delete invalid page-index in CMuleNotebook::DeletePage"));
  67
  68         // Send out close event
  69         wxNotebookEvent evt( wxEVT_COMMAND_MULENOTEBOOK_PAGE_CLOSING, GetId(), nPage );
  70         evt.SetEventObject(this);
  71         ProcessEvent( evt );
  72
  73         // and finally remove the actual page
  74         bool result = wxNotebook::DeletePage( nPage );
  75
  76         // Ensure a valid selection
  77         if ( GetPageCount() && (int)GetSelection() >= (int)GetPageCount() ) {
  78                 SetSelection( GetPageCount() - 1 );
  79         }
  80
  81         // Send a page change event to work around wx problem when newly selected page
  82         // is identical with deleted page (wx sends a page change event during deletion,
  83         // but the control is still the one to be deleted at that moment).
  84         if (GetPageCount()) {
  85                 // Select the tab that took the place of the one we just deleted.
  86                 size_t page = nPage;
  87                 // Except if we deleted the last one - then select the one that is last now.
  88                 if (page == GetPageCount()) {
  89                         page--;
  90                 }
  91                 wxNotebookEvent event( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, GetId(), page );
  92                 event.SetEventObject(this);
  93                 ProcessEvent( event );
  94         } else {
  95         // Send an event when no pages are left open
  96                 wxNotebookEvent event( wxEVT_COMMAND_MULENOTEBOOK_ALL_PAGES_CLOSED, GetId() );
  97                 event.SetEventObject(this);
  98                 ProcessEvent( event );
  99         }
 100
 101         return result;
 102 }
 103
 104
 105 bool CMuleNotebook::DeleteAllPages()
 106 {
 107         Freeze();
 108
 109         bool result = true;
 110         while ( GetPageCount() ) {
 111                 result &= DeletePage( 0 );
 112         }
 113
 114         Thaw();
 115
 116         return result;
 117 }
 118
 119
 120 void CMuleNotebook::EnablePopup( bool enable )
 121 {
 122         m_popup_enable = enable;
 123 }
 124
 125
 126 void CMuleNotebook::SetPopupHandler( wxWindow* widget )
 127 {
 128         m_popup_widget = widget;
 129 }
 130
 131
 132 //#warning wxMac does not support selection by right-clicking on tabs!
 133 void CMuleNotebook::OnRMButton(wxMouseEvent& event)
 134 {
 135         // Cases where we shouldn't be showing a popup-menu.
 136         if ( !GetPageCount() || !m_popup_enable ) {
 137                 event.Skip();
 138                 return;
 139         }
 140
 141
 142 // For some reason, gtk1 does a rather poor job when using the HitTest
 143         wxPoint eventPoint = event.GetPosition();
 144
 145         int tab = HitTest(eventPoint);
 146         if (tab != wxNOT_FOUND) {
 147                 SetSelection(tab);
 148         } else {
 149                 event.Skip();
 150                 return;
 151         }
 152
 153         // Should we send the event to a specific widget?
 154         if ( m_popup_widget ) {
 155                 wxMouseEvent evt = event;
 156
 157                 // Map the coordinates onto the parent
 158                 wxPoint point = evt.GetPosition();
 159                 point = ClientToScreen( point );
 160                 point = m_popup_widget->ScreenToClient( point );
 161
 162                 evt.m_x = point.x;
 163                 evt.m_y = point.y;
 164
 165                 m_popup_widget->GetEventHandler()->AddPendingEvent( evt );
 166         } else {
 167                 wxMenu menu(_("Close"));
 168                 menu.Append(MP_CLOSE_TAB, wxString(_("Close tab")));
 169                 menu.Append(MP_CLOSE_ALL_TABS, wxString(_("Close all tabs")));
 170                 menu.Append(MP_CLOSE_OTHER_TABS, wxString(_("Close other tabs")));
 171
 172                 PopupMenu( &menu, event.GetPosition() );
 173         }
 174 }
 175
 176
 177 void CMuleNotebook::OnPopupClose(wxCommandEvent& WXUNUSED(evt))
 178 {
 179         DeletePage( GetSelection() );
 180 }
 181
 182
 183 void CMuleNotebook::OnPopupCloseAll(wxCommandEvent& WXUNUSED(evt))
 184 {
 185         DeleteAllPages();
 186 }
 187
 188
 189 void CMuleNotebook::OnPopupCloseOthers(wxCommandEvent& WXUNUSED(evt))
 190 {
 191         wxNotebookPage* current = GetPage( GetSelection() );
 192
 193         for ( int i = GetPageCount() - 1; i >= 0; i-- ) {
 194                 if ( current != GetPage( i ) )
 195                         DeletePage( i );
 196         }
 197 }
 198
 199
 200 void CMuleNotebook::OnMouseLeftRelease(wxMouseEvent &event)
 201 {
 202
 203         if (GetImageList() == NULL) {
 204                 // This Mulenotebook has no images on tabs, so nothing to do.
 205                 event.Skip();
 206                 return;
 207         }
 208
 209         long xpos, ypos;
 210         event.GetPosition(&xpos, &ypos);
 211
 212         long flags = 0;
 213         int tab = HitTest(wxPoint(xpos,ypos),&flags);
 214
 215         if ((tab != -1) &&  (flags == wxNB_HITTEST_ONICON)) {
 216                 // User did click on a 'x'
 217                 DeletePage(tab);
 218         } else {
 219                 // Is not a 'x'. Send this event up.
 220                 event.Skip();
 221         }
 222
 223 }
 224
 225 void CMuleNotebook::OnMouseMotion(wxMouseEvent &event)
 226 {
 227
 228         if (GetImageList() == NULL) {
 229                 // This Mulenotebook has no images on tabs, so nothing to do.
 230                 event.Skip();
 231                 return;
 232         }
 233
 234         long flags = 0;
 235         int tab = HitTest(wxPoint(event.m_x,event.m_y),&flags);
 236
 237         // Clear the highlight for all tabs.
 238         for (int i=0;i<(int)GetPageCount();++i) {
 239                 SetPageImage(i, 0);
 240         }
 241
 242         if ((tab != -1) &&  (flags == wxNB_HITTEST_ONICON)) {
 243                 // Mouse is over a 'x'
 244                 SetPageImage(tab, 1);
 245         } else {
 246                 // Is not a 'x'. Send this event up.
 247                 event.Skip();
 248         }
 249
 250 }
 251
 252 // File_checked_for_headers