1 /////////////////////////////////////////////////////////////////////////////
2 // Name: gtk/statbox.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id: statbox.cpp 45367 2007-04-09 21:41:54Z VZ $
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_STATBOX
14
15 #include "wx/statbox.h"
16 #include "wx/gtk/private.h"
17
18 #include "gdk/gdk.h"
19 #include "gtk/gtk.h"
20
21
22 // ============================================================================
23 // implementation
24 // ============================================================================
25
26 // constants taken from GTK sources
27 #define LABEL_PAD 1
28 #define LABEL_SIDE_PAD 2
29
30 //-----------------------------------------------------------------------------
31 // "gtk_frame_size_allocate" signal
32 //-----------------------------------------------------------------------------
33
34 extern "C" {
35
36 static void
gtk_frame_size_allocate(GtkWidget * widget,GtkAllocation * allocation,wxStaticBox * p)37 gtk_frame_size_allocate (GtkWidget *widget,
38 GtkAllocation *allocation,
39 wxStaticBox *p)
40 {
41 GtkFrame *frame = GTK_FRAME (widget);
42
43 // this handler gets called _after_ the GTK+'s own signal handler; thus we
44 // need to fix only the width of the GtkLabel
45 // (everything else has already been handled by the GTK+ signal handler).
46
47 if (frame->label_widget && GTK_WIDGET_VISIBLE (frame->label_widget))
48 {
49 GtkAllocation ca = frame->label_widget->allocation;
50
51 // we want the GtkLabel to not exceed maxWidth:
52 int maxWidth = allocation->width - 2*LABEL_SIDE_PAD - 2*LABEL_PAD;
53 maxWidth = wxMax(2, maxWidth); // maxWidth must always be positive!
54
55 // truncate the label to the GtkFrame width...
56 ca.width = wxMin(ca.width, maxWidth);
57 gtk_widget_size_allocate(frame->label_widget, &ca);
58 }
59 }
60
61 }
62
63
64 //-----------------------------------------------------------------------------
65 // wxStaticBox
66 //-----------------------------------------------------------------------------
67
IMPLEMENT_DYNAMIC_CLASS(wxStaticBox,wxControl)68 IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
69
70 wxStaticBox::wxStaticBox()
71 {
72 }
73
wxStaticBox(wxWindow * parent,wxWindowID id,const wxString & label,const wxPoint & pos,const wxSize & size,long style,const wxString & name)74 wxStaticBox::wxStaticBox( wxWindow *parent,
75 wxWindowID id,
76 const wxString &label,
77 const wxPoint& pos,
78 const wxSize& size,
79 long style,
80 const wxString& name )
81 {
82 Create( parent, id, label, pos, size, style, name );
83 }
84
Create(wxWindow * parent,wxWindowID id,const wxString & label,const wxPoint & pos,const wxSize & size,long style,const wxString & name)85 bool wxStaticBox::Create( wxWindow *parent,
86 wxWindowID id,
87 const wxString& label,
88 const wxPoint& pos,
89 const wxSize& size,
90 long style,
91 const wxString& name )
92 {
93 m_needParent = TRUE;
94
95 if (!PreCreation( parent, pos, size ) ||
96 !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
97 {
98 wxFAIL_MSG( wxT("wxStaticBox creation failed") );
99 return FALSE;
100 }
101
102 m_widget = GTKCreateFrame(label);
103 wxControl::SetLabel(label);
104
105 m_parent->DoAddChild( this );
106
107 PostCreation(size);
108
109 // need to set non default alignment?
110 gfloat xalign;
111 if ( style & wxALIGN_CENTER )
112 xalign = 0.5;
113 else if ( style & wxALIGN_RIGHT )
114 xalign = 1.0;
115 else // wxALIGN_LEFT
116 xalign = 0.0;
117
118 if ( style & (wxALIGN_RIGHT | wxALIGN_CENTER) ) // left alignment is default
119 gtk_frame_set_label_align(GTK_FRAME( m_widget ), xalign, 0.5);
120
121 // in order to clip the label widget, we must connect to the size allocate
122 // signal of this GtkFrame after the default GTK+'s allocate size function
123 g_signal_connect_after (m_widget, "size_allocate",
124 G_CALLBACK (gtk_frame_size_allocate), this);
125
126 return TRUE;
127 }
128
SetLabel(const wxString & label)129 void wxStaticBox::SetLabel( const wxString& label )
130 {
131 wxCHECK_RET( m_widget != NULL, wxT("invalid staticbox") );
132
133 GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
134 }
135
DoApplyWidgetStyle(GtkRcStyle * style)136 void wxStaticBox::DoApplyWidgetStyle(GtkRcStyle *style)
137 {
138 GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
139 }
140
GTKWidgetNeedsMnemonic() const141 bool wxStaticBox::GTKWidgetNeedsMnemonic() const
142 {
143 return true;
144 }
145
GTKWidgetDoSetMnemonic(GtkWidget * w)146 void wxStaticBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
147 {
148 GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
149 }
150
151 // static
152 wxVisualAttributes
GetClassDefaultAttributes(wxWindowVariant WXUNUSED (variant))153 wxStaticBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
154 {
155 return GetDefaultAttributesFromGTKWidget(gtk_frame_new);
156 }
157
158
GetBordersForSizer(int * borderTop,int * borderOther) const159 void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
160 {
161 const int BORDER = 5; // FIXME: hardcoded value
162
163 *borderTop = GetLabel().empty() ? 2*BORDER : GetCharHeight();
164 *borderOther = BORDER;
165 }
166
167 #endif // wxUSE_STATBOX
168