| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gtk/statbox.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_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 |
| 37 | gtk_frame_size_allocate (GtkWidget *widget, |
| 38 | GtkAllocation *allocation, |
| 39 | wxStaticBox * WXUNUSED(box)) |
| 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 | |
| 68 | IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl) |
| 69 | |
| 70 | wxStaticBox::wxStaticBox() |
| 71 | { |
| 72 | } |
| 73 | |
| 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 | |
| 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 | if (!PreCreation( parent, pos, size ) || |
| 94 | !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) |
| 95 | { |
| 96 | wxFAIL_MSG( wxT("wxStaticBox creation failed") ); |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | m_widget = GTKCreateFrame(label); |
| 101 | wxControl::SetLabel(label); |
| 102 | |
| 103 | m_parent->DoAddChild( this ); |
| 104 | |
| 105 | PostCreation(size); |
| 106 | |
| 107 | // need to set non default alignment? |
| 108 | gfloat xalign; |
| 109 | if ( style & wxALIGN_CENTER ) |
| 110 | xalign = 0.5; |
| 111 | else if ( style & wxALIGN_RIGHT ) |
| 112 | xalign = 1.0; |
| 113 | else // wxALIGN_LEFT |
| 114 | xalign = 0.0; |
| 115 | |
| 116 | if ( style & (wxALIGN_RIGHT | wxALIGN_CENTER) ) // left alignment is default |
| 117 | gtk_frame_set_label_align(GTK_FRAME( m_widget ), xalign, 0.5); |
| 118 | |
| 119 | // in order to clip the label widget, we must connect to the size allocate |
| 120 | // signal of this GtkFrame after the default GTK+'s allocate size function |
| 121 | g_signal_connect_after (m_widget, "size_allocate", |
| 122 | G_CALLBACK (gtk_frame_size_allocate), this); |
| 123 | |
| 124 | return TRUE; |
| 125 | } |
| 126 | |
| 127 | void wxStaticBox::SetLabel( const wxString& label ) |
| 128 | { |
| 129 | wxCHECK_RET( m_widget != NULL, wxT("invalid staticbox") ); |
| 130 | |
| 131 | GTKSetLabelForFrame(GTK_FRAME(m_widget), label); |
| 132 | } |
| 133 | |
| 134 | void wxStaticBox::DoApplyWidgetStyle(GtkRcStyle *style) |
| 135 | { |
| 136 | GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style); |
| 137 | } |
| 138 | |
| 139 | bool wxStaticBox::GTKWidgetNeedsMnemonic() const |
| 140 | { |
| 141 | return true; |
| 142 | } |
| 143 | |
| 144 | void wxStaticBox::GTKWidgetDoSetMnemonic(GtkWidget* w) |
| 145 | { |
| 146 | GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w); |
| 147 | } |
| 148 | |
| 149 | // static |
| 150 | wxVisualAttributes |
| 151 | wxStaticBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 152 | { |
| 153 | return GetDefaultAttributesFromGTKWidget(gtk_frame_new); |
| 154 | } |
| 155 | |
| 156 | |
| 157 | void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const |
| 158 | { |
| 159 | const int BORDER = 5; // FIXME: hardcoded value |
| 160 | |
| 161 | *borderTop = GetLabel().empty() ? 2*BORDER : GetCharHeight(); |
| 162 | *borderOther = BORDER; |
| 163 | } |
| 164 | |
| 165 | #endif // wxUSE_STATBOX |