src/gtk/hyperlink.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/hyperlink.cpp
   3 // Purpose:     Hyperlink control
   4 // Author:      Francesco Montorsi
   5 // Created:     14/2/2007
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 Francesco Montorsi
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // --------------------------------------------------------------------------
  16 // headers
  17 // --------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_HYPERLINKCTRL && defined(__WXGTK210__) && !defined(__WXUNIVERSAL__)
  27
  28 #include "wx/hyperlink.h"
  29
  30 #ifndef WX_PRECOMP
  31 #endif
  32
  33 #include <gtk/gtk.h>
  34 #include "wx/gtk/private.h"
  35
  36 // ----------------------------------------------------------------------------
  37 // local functions
  38 // ----------------------------------------------------------------------------
  39
  40 static inline bool UseNative()
  41 {
  42     // native gtk_link_button widget is only available in GTK+ 2.10 and later
  43 #ifdef __WXGTK3__
  44     return true;
  45 #else
  46     return !gtk_check_version(2, 10, 0);
  47 #endif
  48 }
  49
  50 // ============================================================================
  51 // implementation
  52 // ============================================================================
  53
  54 // ----------------------------------------------------------------------------
  55 // "clicked"
  56 // ----------------------------------------------------------------------------
  57
  58 extern "C" {
  59 static void gtk_hyperlink_clicked_callback( GtkWidget *WXUNUSED(widget),
  60                                             wxHyperlinkCtrl *linkCtrl )
  61 {
  62     // send the event
  63     linkCtrl->SendEvent();
  64 }
  65 }
  66
  67 // ----------------------------------------------------------------------------
  68 // wxHyperlinkCtrl
  69 // ----------------------------------------------------------------------------
  70
  71 bool wxHyperlinkCtrl::Create(wxWindow *parent, wxWindowID id,
  72     const wxString& label, const wxString& url, const wxPoint& pos,
  73     const wxSize& size, long style, const wxString& name)
  74 {
  75     if ( UseNative() )
  76     {
  77         // do validation checks:
  78         CheckParams(label, url, style);
  79
  80         if (!PreCreation( parent, pos, size ) ||
  81             !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
  82         {
  83             wxFAIL_MSG( wxT("wxHyperlinkCtrl creation failed") );
  84             return false;
  85         }
  86
  87         m_widget = gtk_link_button_new("asdfsaf asdfdsaf asdfdsa");
  88         g_object_ref(m_widget);
  89
  90         // alignment
  91         float x_alignment = 0.5;
  92         if (HasFlag(wxHL_ALIGN_LEFT))
  93             x_alignment = 0.0;
  94         else if (HasFlag(wxHL_ALIGN_RIGHT))
  95             x_alignment = 1.0;
  96         gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, 0.5);
  97
  98         // set to non empty strings both the url and the label
  99         SetURL(url.empty() ? label : url);
 100         SetLabel(label.empty() ? url : label);
 101
 102         // our signal handlers:
 103         g_signal_connect_after (m_widget, "clicked",
 104                                 G_CALLBACK (gtk_hyperlink_clicked_callback),
 105                                 this);
 106
 107         m_parent->DoAddChild( this );
 108
 109         PostCreation(size);
 110
 111         // wxWindowGTK will connect to the enter_notify and leave_notify GTK+ signals
 112         // thus overriding GTK+'s internal signal handlers which set the cursor of
 113         // the widget - thus we need to manually set it here:
 114         SetCursor(wxCursor(wxCURSOR_HAND));
 115     }
 116     else
 117         return wxGenericHyperlinkCtrl::Create(parent, id, label, url, pos, size, style, name);
 118
 119     return true;
 120 }
 121
 122 wxSize wxHyperlinkCtrl::DoGetBestSize() const
 123 {
 124     if ( UseNative() )
 125         return wxControl::DoGetBestSize();
 126     return wxGenericHyperlinkCtrl::DoGetBestSize();
 127 }
 128
 129 wxSize wxHyperlinkCtrl::DoGetBestClientSize() const
 130 {
 131     if ( UseNative() )
 132         return wxControl::DoGetBestClientSize();
 133     return wxGenericHyperlinkCtrl::DoGetBestClientSize();
 134 }
 135
 136 void wxHyperlinkCtrl::SetLabel(const wxString &label)
 137 {
 138     if ( UseNative() )
 139     {
 140         wxControl::SetLabel(label);
 141         const wxString labelGTK = GTKConvertMnemonics(label);
 142         gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK));
 143     }
 144     else
 145         wxGenericHyperlinkCtrl::SetLabel(label);
 146 }
 147
 148 void wxHyperlinkCtrl::SetURL(const wxString &uri)
 149 {
 150     if ( UseNative() )
 151         gtk_link_button_set_uri(GTK_LINK_BUTTON(m_widget), wxGTK_CONV(uri));
 152     else
 153         wxGenericHyperlinkCtrl::SetURL(uri);
 154 }
 155
 156 wxString wxHyperlinkCtrl::GetURL() const
 157 {
 158     if ( UseNative() )
 159     {
 160         const gchar *str = gtk_link_button_get_uri(GTK_LINK_BUTTON(m_widget));
 161         return wxString::FromUTF8(str);
 162     }
 163
 164     return wxGenericHyperlinkCtrl::GetURL();
 165 }
 166
 167 void wxHyperlinkCtrl::SetNormalColour(const wxColour &colour)
 168 {
 169     if ( UseNative() )
 170     {
 171         // simply do nothing: GTK+ does not allow us to change it :(
 172     }
 173     else
 174         wxGenericHyperlinkCtrl::SetNormalColour(colour);
 175 }
 176
 177 wxColour wxHyperlinkCtrl::GetNormalColour() const
 178 {
 179     wxColour ret;
 180     if ( UseNative() )
 181     {
 182         GdkColor *link_color = NULL;
 183
 184         // convert GdkColor in wxColour
 185         gtk_widget_style_get(m_widget, "link-color", &link_color, NULL);
 186         if (link_color)
 187             ret = wxColour(*link_color);
 188         gdk_color_free (link_color);
 189     }
 190     else
 191         ret = wxGenericHyperlinkCtrl::GetNormalColour();
 192
 193     return ret;
 194 }
 195
 196 void wxHyperlinkCtrl::SetVisitedColour(const wxColour &colour)
 197 {
 198     if ( UseNative() )
 199     {
 200         // simply do nothing: GTK+ does not allow us to change it :(
 201     }
 202     else
 203         wxGenericHyperlinkCtrl::SetVisitedColour(colour);
 204 }
 205
 206 wxColour wxHyperlinkCtrl::GetVisitedColour() const
 207 {
 208     wxColour ret;
 209     if ( UseNative() )
 210     {
 211         GdkColor *link_color = NULL;
 212
 213         // convert GdkColor in wxColour
 214         gtk_widget_style_get(m_widget, "visited-link-color", &link_color, NULL);
 215         if (link_color)
 216             ret = wxColour(*link_color);
 217         gdk_color_free (link_color);
 218     }
 219     else
 220         return wxGenericHyperlinkCtrl::GetVisitedColour();
 221
 222     return ret;
 223 }
 224
 225 void wxHyperlinkCtrl::SetHoverColour(const wxColour &colour)
 226 {
 227     if ( UseNative() )
 228     {
 229         // simply do nothing: GTK+ does not allow us to change it :(
 230     }
 231     else
 232         wxGenericHyperlinkCtrl::SetHoverColour(colour);
 233 }
 234
 235 wxColour wxHyperlinkCtrl::GetHoverColour() const
 236 {
 237     if ( UseNative() )
 238     {
 239         // hover colour == normal colour for native GTK+ widget
 240         return GetNormalColour();
 241     }
 242
 243     return wxGenericHyperlinkCtrl::GetHoverColour();
 244 }
 245
 246 GdkWindow *wxHyperlinkCtrl::GTKGetWindow(wxArrayGdkWindows& windows) const
 247 {
 248     return UseNative() ? gtk_button_get_event_window(GTK_BUTTON(m_widget))
 249                        : wxGenericHyperlinkCtrl::GTKGetWindow(windows);
 250 }
 251
 252 #endif // wxUSE_HYPERLINKCTRL && GTK+ 2.10+