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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#include "gdk/gdk.h"
19#include "gtk/gtk.h"
20
21extern "C"
22void wxgtk_window_size_request_callback(GtkWidget *widget,
23 GtkRequisition *requisition,
24 wxWindow *win);
25
26//-----------------------------------------------------------------------------
27// wxStaticText
28//-----------------------------------------------------------------------------
29
30IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl)
31
32wxStaticText::wxStaticText()
33{
34}
35
36wxStaticText::wxStaticText(wxWindow *parent,
37 wxWindowID id,
38 const wxString &label,
39 const wxPoint &pos,
40 const wxSize &size,
41 long style,
42 const wxString &name)
43{
44 Create( parent, id, label, pos, size, style, name );
45}
46
47bool wxStaticText::Create(wxWindow *parent,
48 wxWindowID id,
49 const wxString &label,
50 const wxPoint &pos,
51 const wxSize &size,
52 long style,
53 const wxString &name )
54{
55 m_needParent = TRUE;
56
57 if (!PreCreation( parent, pos, size ) ||
58 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
59 {
60 wxFAIL_MSG( wxT("wxStaticText creation failed") );
61 return FALSE;
62 }
63
64 const wxString labelGTK = GTKConvertMnemonics(label);
65 m_label = label;
66 m_widget = gtk_label_new_with_mnemonic(wxGTK_CONV(labelGTK));
67
68 GtkJustification justify;
69 if ( style & wxALIGN_CENTER )
70 justify = GTK_JUSTIFY_CENTER;
71 else if ( style & wxALIGN_RIGHT )
72 justify = GTK_JUSTIFY_RIGHT;
73 else // wxALIGN_LEFT is 0
74 justify = GTK_JUSTIFY_LEFT;
75 gtk_label_set_justify(GTK_LABEL(m_widget), justify);
76
77 // GTK_JUSTIFY_LEFT is 0, RIGHT 1 and CENTER 2
78 static const float labelAlignments[] = { 0.0, 1.0, 0.5 };
79 gtk_misc_set_alignment(GTK_MISC(m_widget), labelAlignments[justify], 0.0);
80
81 gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
82
83 m_parent->DoAddChild( this );
84
85 PostCreation(size);
86
87 // the bug below only happens with GTK 2
88 if ( justify != GTK_JUSTIFY_LEFT )
89 {
90 // if we let GTK call wxgtk_window_size_request_callback the label
91 // always shrinks to its minimal size for some reason and so no
92 // alignment except the default left doesn't work (in fact it does,
93 // but you don't see it)
94 g_signal_handlers_disconnect_by_func (m_widget,
95 (gpointer) wxgtk_window_size_request_callback,
96 this);
97 }
98
99 return TRUE;
100}
101
102wxString wxStaticText::GetLabel() const
103{
104 GtkLabel *label = GTK_LABEL(m_widget);
105 wxString str = wxGTK_CONV_BACK( gtk_label_get_text( label ) );
106
107 return wxString(str);
108}
109
110void wxStaticText::SetLabel( const wxString &label )
111{
112 wxCHECK_RET( m_widget != NULL, wxT("invalid static text") );
113
114 GTKSetLabelForLabel(GTK_LABEL(m_widget), label);
115
116 // adjust the label size to the new label unless disabled
117 if ( !HasFlag(wxST_NO_AUTORESIZE) )
118 SetSize( GetBestSize() );
119}
120
121bool wxStaticText::SetFont( const wxFont &font )
122{
123 bool ret = wxControl::SetFont(font);
124
125 // adjust the label size to the new label unless disabled
126 if (!HasFlag(wxST_NO_AUTORESIZE))
127 {
128 InvalidateBestSize();
129 SetSize( GetBestSize() );
130 }
131 return ret;
132}
133
134void wxStaticText::DoSetSize(int x, int y,
135 int width, int height,
136 int sizeFlags )
137{
138 wxControl::DoSetSize( x, y, width, height, sizeFlags );
139}
140
141wxSize wxStaticText::DoGetBestSize() const
142{
143 // Do not return any arbitrary default value...
144 wxASSERT_MSG( m_widget, wxT("wxStaticText::DoGetBestSize called before creation") );
145
146 // GetBestSize is supposed to return unwrapped size
147 gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
148
149 GtkRequisition req;
150 req.width = -1;
151 req.height = -1;
152 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
153 (m_widget, &req );
154
155 gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
156
157 // Adding 1 to width to workaround GTK sometimes wrapping the text needlessly
158 return wxSize (req.width+1, req.height);
159}
160
161bool wxStaticText::SetForegroundColour(const wxColour& colour)
162{
163 // First, we call the base class member
164 wxControl::SetForegroundColour(colour);
165 // Then, to force the color change, we set the label with the current label
166 SetLabel(GetLabel());
167 return true;
168}
169
170bool wxStaticText::GTKWidgetNeedsMnemonic() const
171{
172 return true;
173}
174
175void wxStaticText::GTKWidgetDoSetMnemonic(GtkWidget* w)
176{
177 gtk_label_set_mnemonic_widget(GTK_LABEL(m_widget), w);
178}
179
180// static
181wxVisualAttributes
182wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
183{
184 return GetDefaultAttributesFromGTKWidget(gtk_label_new);
185}
186
187#endif // wxUSE_STATTEXT