X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/32c77a71336262a7d7d5e79ac690a4bff78d1c92..8ca1a013e4e699724040ff1f514dab3b4a11d3c9:/src/gtk/stattext.cpp diff --git a/src/gtk/stattext.cpp b/src/gtk/stattext.cpp index b125eeb11f..a10e98f85b 100644 --- a/src/gtk/stattext.cpp +++ b/src/gtk/stattext.cpp @@ -2,18 +2,26 @@ // Name: stattext.cpp // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#ifdef __GNUG__ -#pragma implementation "stattext.h" -#endif +#if wxUSE_STATTEXT #include "wx/stattext.h" +#include "wx/gtk/private.h" + +#include "gdk/gdk.h" +#include "gtk/gtk.h" + +extern "C" +void wxgtk_window_size_request_callback(GtkWidget *widget, + GtkRequisition *requisition, + wxWindow *win); //----------------------------------------------------------------------------- // wxStaticText @@ -21,61 +29,251 @@ IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl) -wxStaticText::wxStaticText(void) +wxStaticText::wxStaticText() +{ +} + +wxStaticText::wxStaticText(wxWindow *parent, + wxWindowID id, + const wxString &label, + const wxPoint &pos, + const wxSize &size, + long style, + const wxString &name) +{ + Create( parent, id, label, pos, size, style, name ); +} + +bool wxStaticText::Create(wxWindow *parent, + wxWindowID id, + const wxString &label, + const wxPoint &pos, + const wxSize &size, + long style, + const wxString &name ) +{ + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) + { + wxFAIL_MSG( wxT("wxStaticText creation failed") ); + return false; + } + + m_widget = gtk_label_new(NULL); + + GtkJustification justify; + if ( style & wxALIGN_CENTER ) + justify = GTK_JUSTIFY_CENTER; + else if ( style & wxALIGN_RIGHT ) + justify = GTK_JUSTIFY_RIGHT; + else // wxALIGN_LEFT is 0 + justify = GTK_JUSTIFY_LEFT; + + if (GetLayoutDirection() == wxLayout_RightToLeft) + { + if (justify == GTK_JUSTIFY_RIGHT) + justify = GTK_JUSTIFY_LEFT; + if (justify == GTK_JUSTIFY_LEFT) + justify = GTK_JUSTIFY_RIGHT; + } + + gtk_label_set_justify(GTK_LABEL(m_widget), justify); + + // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2 + static const float labelAlignments[] = { 0.0, 1.0, 0.5 }; + gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0); + + gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE ); + +#ifdef __WXGTK26__ + if (!gtk_check_version(2,6,0)) + { + // set ellipsize mode + PangoEllipsizeMode ellipsizeMode = PANGO_ELLIPSIZE_NONE; + if ( style & wxST_ELLIPSIZE_START ) + ellipsizeMode = PANGO_ELLIPSIZE_START; + else if ( style & wxST_ELLIPSIZE_MIDDLE ) + ellipsizeMode = PANGO_ELLIPSIZE_MIDDLE; + else if ( style & wxST_ELLIPSIZE_END ) + ellipsizeMode = PANGO_ELLIPSIZE_END; + + gtk_label_set_ellipsize( GTK_LABEL(m_widget), ellipsizeMode ); + } +#endif // __WXGTK26__ + + SetLabel(label); + + m_parent->DoAddChild( this ); + + PostCreation(size); + + // the bug below only happens with GTK 2 + if ( justify != GTK_JUSTIFY_LEFT ) + { + // if we let GTK call wxgtk_window_size_request_callback the label + // always shrinks to its minimal size for some reason and so no + // alignment except the default left doesn't work (in fact it does, + // but you don't see it) + g_signal_handlers_disconnect_by_func (m_widget, + (gpointer) wxgtk_window_size_request_callback, + this); + } + + return TRUE; +} + +wxString wxStaticText::GetLabel() const +{ + // we need to return the label just like it was passed to the last call + // to SetLabel(): i.e. with wx-style mnemonics and with markup + return wxControl::GetLabel(); +} + +void wxStaticText::SetLabel( const wxString& str ) +{ + wxCHECK_RET( m_widget != NULL, wxT("invalid static text") ); + + // save the label inside m_labelOrig in case user calls GetLabel() later + m_labelOrig = str; + + wxString label(str); + if (gtk_check_version(2,6,0) && + IsEllipsized()) + { + // GTK+ < 2.6 does not support ellipsization: + // since we need to use our generic code for ellipsization (which does not + // behaves well in conjunction with markup; i.e. it may break the markup + // validity erasing portions of the string), we also need to strip out + // the markup (if present) from the label. + + label = GetEllipsizedLabelWithoutMarkup(); + } + + if ( HasFlag(wxST_MARKUP) ) + GTKSetLabelWithMarkupForLabel(GTK_LABEL(m_widget), label); + else + GTKSetLabelForLabel(GTK_LABEL(m_widget), label); + + // adjust the label size to the new label unless disabled + if ( !HasFlag(wxST_NO_AUTORESIZE) && + !IsEllipsized() ) // if ellipsize is ON, then we don't want to get resized! + SetSize( GetBestSize() ); +} + +bool wxStaticText::SetFont( const wxFont &font ) { -}; + const bool wasUnderlined = GetFont().GetUnderlined(); + + bool ret = wxControl::SetFont(font); + + if ( font.GetUnderlined() != wasUnderlined ) + { + // the underlines for mnemonics are incompatible with using attributes + // so turn them off when setting underlined font and restore them when + // unsetting it + gtk_label_set_use_underline(GTK_LABEL(m_widget), wasUnderlined); -wxStaticText::wxStaticText( wxWindow *parent, wxWindowID id, const wxString &label, - const wxPoint &pos, const wxSize &size, - long style, const wxString &name ) + if ( wasUnderlined ) + { + // it's not underlined any more, remove the attributes we set + gtk_label_set_attributes(GTK_LABEL(m_widget), NULL); + } + else // the text is underlined now + { + PangoAttrList *attrs = pango_attr_list_new(); + PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); + a->start_index = 0; + a->end_index = (guint)-1; + pango_attr_list_insert(attrs, a); + gtk_label_set_attributes(GTK_LABEL(m_widget), attrs); + pango_attr_list_unref(attrs); + } + } + + // adjust the label size to the new label unless disabled + if (!HasFlag(wxST_NO_AUTORESIZE)) + { + InvalidateBestSize(); + SetSize( GetBestSize() ); + } + return ret; +} + +void wxStaticText::DoSetSize(int x, int y, + int width, int height, + int sizeFlags ) { - Create( parent, id, label, pos, size, style, name ); -}; + wxControl::DoSetSize( x, y, width, height, sizeFlags ); + + if (gtk_check_version(2,6,0)) + { + // GTK+ < 2.6 does not support ellipsization - we need to run our + // generic code (actually it will be run only if IsEllipsized() == true) + UpdateLabel(); + } +} -bool wxStaticText::Create( wxWindow *parent, wxWindowID id, const wxString &label, - const wxPoint &pos, const wxSize &size, - long style, const wxString &name ) +wxSize wxStaticText::DoGetBestSize() const { - m_needParent = TRUE; - - wxSize newSize = size; - - PreCreation( parent, id, pos, size, style, name ); - - wxControl::SetLabel(label); - m_widget = gtk_label_new( m_label ); - - GtkJustification justify; - if ( style & wxALIGN_CENTER ) - justify = GTK_JUSTIFY_CENTER; - else if ( style & wxALIGN_RIGHT ) - justify = GTK_JUSTIFY_RIGHT; - else // wxALIGN_LEFT is 0 - justify = GTK_JUSTIFY_LEFT; - gtk_label_set_justify(GTK_LABEL(m_widget), justify); - - if (newSize.x == -1) newSize.x = gdk_string_measure( m_widget->style->font, label ); - if (newSize.y == -1) newSize.y = 26; - SetSize( newSize.x, newSize.y ); - - PostCreation(); - - Show( TRUE ); - - return TRUE; -}; - -wxString wxStaticText::GetLabel(void) const + // Do not return any arbitrary default value... + wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") ); + + // GetBestSize is supposed to return unwrapped size but calling + // gtk_label_set_line_wrap() from here is a bad idea as it queues another + // size request by calling gtk_widget_queue_resize() and we end up in + // infinite loop sometimes (notably when the control is in a toolbar) + GTK_LABEL(m_widget)->wrap = FALSE; + + GtkRequisition req; + req.width = -1; + req.height = -1; + (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request ) + (m_widget, &req ); + + GTK_LABEL(m_widget)->wrap = TRUE; // restore old value + + // Adding 1 to width to workaround GTK sometimes wrapping the text needlessly + return wxSize (req.width+1, req.height); +} + +bool wxStaticText::SetForegroundColour(const wxColour& colour) +{ + // First, we call the base class member + wxControl::SetForegroundColour(colour); + // Then, to force the color change, we set the label with the current label + SetLabel(GetLabel()); + return true; +} + +bool wxStaticText::GTKWidgetNeedsMnemonic() const +{ + return true; +} + +void wxStaticText::GTKWidgetDoSetMnemonic(GtkWidget* w) +{ + gtk_label_set_mnemonic_widget(GTK_LABEL(m_widget), w); +} + + +// These functions should be used only when GTK+ < 2.6 by wxStaticTextBase::UpdateLabel() + +wxString wxStaticText::DoGetLabel() const +{ + GtkLabel *label = GTK_LABEL(m_widget); + return wxGTK_CONV_BACK( gtk_label_get_text( label ) ); +} + +void wxStaticText::DoSetLabel(const wxString& str) { - char *str = NULL; - gtk_label_get( GTK_LABEL(m_widget), &str ); - wxString tmp( str ); - return tmp; -}; + GTKSetLabelForLabel(GTK_LABEL(m_widget), str); +} -void wxStaticText::SetLabel( const wxString &label ) +// static +wxVisualAttributes +wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - wxControl::SetLabel(label); + return GetDefaultAttributesFromGTKWidget(gtk_label_new); +} - gtk_label_set( GTK_LABEL(m_widget), m_label ); -}; +#endif // wxUSE_STATTEXT