| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: stattext.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // For compilers that support precompilation, includes "wx.h". |
| 11 | #include "wx/wxprec.h" |
| 12 | |
| 13 | #if wxUSE_STATTEXT |
| 14 | |
| 15 | #include "wx/stattext.h" |
| 16 | #include "wx/gtk/private.h" |
| 17 | |
| 18 | //----------------------------------------------------------------------------- |
| 19 | // wxStaticText |
| 20 | //----------------------------------------------------------------------------- |
| 21 | |
| 22 | IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl) |
| 23 | |
| 24 | wxStaticText::wxStaticText() |
| 25 | { |
| 26 | } |
| 27 | |
| 28 | wxStaticText::wxStaticText(wxWindow *parent, |
| 29 | wxWindowID id, |
| 30 | const wxString &label, |
| 31 | const wxPoint &pos, |
| 32 | const wxSize &size, |
| 33 | long style, |
| 34 | const wxString &name) |
| 35 | { |
| 36 | Create( parent, id, label, pos, size, style, name ); |
| 37 | } |
| 38 | |
| 39 | bool wxStaticText::Create(wxWindow *parent, |
| 40 | wxWindowID id, |
| 41 | const wxString &label, |
| 42 | const wxPoint &pos, |
| 43 | const wxSize &size, |
| 44 | long style, |
| 45 | const wxString &name ) |
| 46 | { |
| 47 | if (!PreCreation( parent, pos, size ) || |
| 48 | !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) |
| 49 | { |
| 50 | wxFAIL_MSG( wxT("wxStaticText creation failed") ); |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | m_widget = gtk_label_new(NULL); |
| 55 | g_object_ref(m_widget); |
| 56 | |
| 57 | GtkJustification justify; |
| 58 | if ( style & wxALIGN_CENTER_HORIZONTAL ) |
| 59 | justify = GTK_JUSTIFY_CENTER; |
| 60 | else if ( style & wxALIGN_RIGHT ) |
| 61 | justify = GTK_JUSTIFY_RIGHT; |
| 62 | else |
| 63 | justify = GTK_JUSTIFY_LEFT; |
| 64 | |
| 65 | if (GetLayoutDirection() == wxLayout_RightToLeft) |
| 66 | { |
| 67 | if (justify == GTK_JUSTIFY_RIGHT) |
| 68 | justify = GTK_JUSTIFY_LEFT; |
| 69 | else if (justify == GTK_JUSTIFY_LEFT) |
| 70 | justify = GTK_JUSTIFY_RIGHT; |
| 71 | } |
| 72 | |
| 73 | gtk_label_set_justify(GTK_LABEL(m_widget), justify); |
| 74 | |
| 75 | // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2 |
| 76 | static const float labelAlignments[] = { 0.0, 1.0, 0.5 }; |
| 77 | gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0); |
| 78 | |
| 79 | gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE ); |
| 80 | |
| 81 | #ifdef __WXGTK26__ |
| 82 | if (!gtk_check_version(2,6,0)) |
| 83 | { |
| 84 | // set ellipsize mode |
| 85 | PangoEllipsizeMode ellipsizeMode = PANGO_ELLIPSIZE_NONE; |
| 86 | if ( style & wxST_ELLIPSIZE_START ) |
| 87 | ellipsizeMode = PANGO_ELLIPSIZE_START; |
| 88 | else if ( style & wxST_ELLIPSIZE_MIDDLE ) |
| 89 | ellipsizeMode = PANGO_ELLIPSIZE_MIDDLE; |
| 90 | else if ( style & wxST_ELLIPSIZE_END ) |
| 91 | ellipsizeMode = PANGO_ELLIPSIZE_END; |
| 92 | |
| 93 | gtk_label_set_ellipsize( GTK_LABEL(m_widget), ellipsizeMode ); |
| 94 | } |
| 95 | #endif // __WXGTK26__ |
| 96 | |
| 97 | SetLabel(label); |
| 98 | |
| 99 | m_parent->DoAddChild( this ); |
| 100 | |
| 101 | PostCreation(size); |
| 102 | |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | void wxStaticText::SetLabel( const wxString& str ) |
| 107 | { |
| 108 | wxCHECK_RET( m_widget != NULL, wxT("invalid static text") ); |
| 109 | |
| 110 | // save the label inside m_labelOrig in case user calls GetLabel() later |
| 111 | m_labelOrig = str; |
| 112 | |
| 113 | InvalidateBestSize(); |
| 114 | |
| 115 | wxString label(str); |
| 116 | if (gtk_check_version(2,6,0) && |
| 117 | IsEllipsized()) |
| 118 | { |
| 119 | // GTK+ < 2.6 does not support ellipsization: |
| 120 | // since we need to use our generic code for ellipsization (which does not |
| 121 | // behaves well in conjunction with markup; i.e. it may break the markup |
| 122 | // validity erasing portions of the string), we also need to strip out |
| 123 | // the markup (if present) from the label. |
| 124 | |
| 125 | label = GetEllipsizedLabelWithoutMarkup(); |
| 126 | } |
| 127 | |
| 128 | if ( HasFlag(wxST_MARKUP) ) |
| 129 | GTKSetLabelWithMarkupForLabel(GTK_LABEL(m_widget), label); |
| 130 | else |
| 131 | GTKSetLabelForLabel(GTK_LABEL(m_widget), label); |
| 132 | |
| 133 | // adjust the label size to the new label unless disabled |
| 134 | if ( !HasFlag(wxST_NO_AUTORESIZE) && |
| 135 | !IsEllipsized() ) // if ellipsize is ON, then we don't want to get resized! |
| 136 | SetSize( GetBestSize() ); |
| 137 | } |
| 138 | |
| 139 | bool wxStaticText::SetFont( const wxFont &font ) |
| 140 | { |
| 141 | const bool wasUnderlined = GetFont().GetUnderlined(); |
| 142 | |
| 143 | bool ret = wxControl::SetFont(font); |
| 144 | |
| 145 | if ( font.GetUnderlined() != wasUnderlined ) |
| 146 | { |
| 147 | // the underlines for mnemonics are incompatible with using attributes |
| 148 | // so turn them off when setting underlined font and restore them when |
| 149 | // unsetting it |
| 150 | gtk_label_set_use_underline(GTK_LABEL(m_widget), wasUnderlined); |
| 151 | |
| 152 | if ( wasUnderlined ) |
| 153 | { |
| 154 | // it's not underlined any more, remove the attributes we set |
| 155 | gtk_label_set_attributes(GTK_LABEL(m_widget), NULL); |
| 156 | } |
| 157 | else // the text is underlined now |
| 158 | { |
| 159 | PangoAttrList *attrs = pango_attr_list_new(); |
| 160 | PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); |
| 161 | a->start_index = 0; |
| 162 | a->end_index = (guint)-1; |
| 163 | pango_attr_list_insert(attrs, a); |
| 164 | gtk_label_set_attributes(GTK_LABEL(m_widget), attrs); |
| 165 | pango_attr_list_unref(attrs); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | // adjust the label size to the new label unless disabled |
| 170 | if (!HasFlag(wxST_NO_AUTORESIZE)) |
| 171 | { |
| 172 | SetSize( GetBestSize() ); |
| 173 | } |
| 174 | return ret; |
| 175 | } |
| 176 | |
| 177 | void wxStaticText::DoSetSize(int x, int y, |
| 178 | int width, int height, |
| 179 | int sizeFlags ) |
| 180 | { |
| 181 | wxStaticTextBase::DoSetSize(x, y, width, height, sizeFlags); |
| 182 | |
| 183 | if (gtk_check_version(2,6,0)) |
| 184 | { |
| 185 | // GTK+ < 2.6 does not support ellipsization - we need to run our |
| 186 | // generic code (actually it will be run only if IsEllipsized() == true) |
| 187 | UpdateLabel(); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | wxSize wxStaticText::DoGetBestSize() const |
| 192 | { |
| 193 | // Do not return any arbitrary default value... |
| 194 | wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") ); |
| 195 | |
| 196 | // GetBestSize is supposed to return unwrapped size but calling |
| 197 | // gtk_label_set_line_wrap() from here is a bad idea as it queues another |
| 198 | // size request by calling gtk_widget_queue_resize() and we end up in |
| 199 | // infinite loop sometimes (notably when the control is in a toolbar) |
| 200 | GTK_LABEL(m_widget)->wrap = FALSE; |
| 201 | |
| 202 | wxSize size = wxStaticTextBase::DoGetBestSize(); |
| 203 | |
| 204 | GTK_LABEL(m_widget)->wrap = TRUE; // restore old value |
| 205 | |
| 206 | // Adding 1 to width to workaround GTK sometimes wrapping the text needlessly |
| 207 | size.x++; |
| 208 | CacheBestSize(size); |
| 209 | return size; |
| 210 | } |
| 211 | |
| 212 | bool wxStaticText::GTKWidgetNeedsMnemonic() const |
| 213 | { |
| 214 | return true; |
| 215 | } |
| 216 | |
| 217 | void wxStaticText::GTKWidgetDoSetMnemonic(GtkWidget* w) |
| 218 | { |
| 219 | gtk_label_set_mnemonic_widget(GTK_LABEL(m_widget), w); |
| 220 | } |
| 221 | |
| 222 | |
| 223 | // These functions should be used only when GTK+ < 2.6 by wxStaticTextBase::UpdateLabel() |
| 224 | |
| 225 | wxString wxStaticText::DoGetLabel() const |
| 226 | { |
| 227 | GtkLabel *label = GTK_LABEL(m_widget); |
| 228 | return wxGTK_CONV_BACK( gtk_label_get_text( label ) ); |
| 229 | } |
| 230 | |
| 231 | void wxStaticText::DoSetLabel(const wxString& str) |
| 232 | { |
| 233 | GTKSetLabelForLabel(GTK_LABEL(m_widget), str); |
| 234 | } |
| 235 | |
| 236 | // static |
| 237 | wxVisualAttributes |
| 238 | wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 239 | { |
| 240 | return GetDefaultAttributesFromGTKWidget(gtk_label_new); |
| 241 | } |
| 242 | |
| 243 | #endif // wxUSE_STATTEXT |