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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 | ||
21 | extern "C" | |
22 | void wxgtk_window_size_request_callback(GtkWidget *widget, | |
23 | GtkRequisition *requisition, | |
24 | wxWindow *win); | |
25 | ||
26 | //----------------------------------------------------------------------------- | |
27 | // wxStaticText | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | IMPLEMENT_DYNAMIC_CLASS(wxStaticText,wxControl) | |
31 | ||
32 | wxStaticText::wxStaticText() | |
33 | { | |
34 | } | |
35 | ||
36 | wxStaticText::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 | ||
47 | bool 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 | ||
102 | wxString 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 | ||
110 | void 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 | ||
121 | bool 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 | ||
134 | void 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 | ||
141 | wxSize 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 | ||
161 | bool 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 | ||
170 | bool wxStaticText::GTKWidgetNeedsMnemonic() const | |
171 | { | |
172 | return true; | |
173 | } | |
174 | ||
175 | void wxStaticText::GTKWidgetDoSetMnemonic(GtkWidget* w) | |
176 | { | |
177 | gtk_label_set_mnemonic_widget(GTK_LABEL(m_widget), w); | |
178 | } | |
179 | ||
180 | // static | |
181 | wxVisualAttributes | |
182 | wxStaticText::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
183 | { | |
184 | return GetDefaultAttributesFromGTKWidget(gtk_label_new); | |
185 | } | |
186 | ||
187 | #endif // wxUSE_STATTEXT |