| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: checkbox.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | |
| 11 | #ifdef __GNUG__ |
| 12 | #pragma implementation "checkbox.h" |
| 13 | #endif |
| 14 | |
| 15 | #include "wx/defs.h" |
| 16 | |
| 17 | #if wxUSE_CHECKBOX |
| 18 | |
| 19 | #include "wx/checkbox.h" |
| 20 | |
| 21 | #include <gdk/gdk.h> |
| 22 | #include <gtk/gtk.h> |
| 23 | |
| 24 | //----------------------------------------------------------------------------- |
| 25 | // idle system |
| 26 | //----------------------------------------------------------------------------- |
| 27 | |
| 28 | extern void wxapp_install_idle_handler(); |
| 29 | extern bool g_isIdle; |
| 30 | |
| 31 | //----------------------------------------------------------------------------- |
| 32 | // data |
| 33 | //----------------------------------------------------------------------------- |
| 34 | |
| 35 | extern bool g_blockEventsOnDrag; |
| 36 | extern wxCursor g_globalCursor; |
| 37 | |
| 38 | //----------------------------------------------------------------------------- |
| 39 | // "clicked" |
| 40 | //----------------------------------------------------------------------------- |
| 41 | |
| 42 | static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckBox *cb ) |
| 43 | { |
| 44 | if (g_isIdle) wxapp_install_idle_handler(); |
| 45 | |
| 46 | if (!cb->m_hasVMT) return; |
| 47 | |
| 48 | if (g_blockEventsOnDrag) return; |
| 49 | |
| 50 | wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId()); |
| 51 | event.SetInt( cb->GetValue() ); |
| 52 | event.SetEventObject(cb); |
| 53 | cb->GetEventHandler()->ProcessEvent(event); |
| 54 | } |
| 55 | |
| 56 | //----------------------------------------------------------------------------- |
| 57 | // wxCheckBox |
| 58 | //----------------------------------------------------------------------------- |
| 59 | |
| 60 | IMPLEMENT_DYNAMIC_CLASS(wxCheckBox,wxControl) |
| 61 | |
| 62 | wxCheckBox::wxCheckBox() |
| 63 | { |
| 64 | } |
| 65 | |
| 66 | bool wxCheckBox::Create(wxWindow *parent, |
| 67 | wxWindowID id, |
| 68 | const wxString &label, |
| 69 | const wxPoint &pos, |
| 70 | const wxSize &size, |
| 71 | long style, |
| 72 | const wxValidator& validator, |
| 73 | const wxString &name ) |
| 74 | { |
| 75 | m_needParent = TRUE; |
| 76 | m_acceptsFocus = TRUE; |
| 77 | |
| 78 | if (!PreCreation( parent, pos, size ) || |
| 79 | !CreateBase( parent, id, pos, size, style, validator, name )) |
| 80 | { |
| 81 | wxFAIL_MSG( wxT("wxCheckBox creation failed") ); |
| 82 | return FALSE; |
| 83 | } |
| 84 | |
| 85 | wxControl::SetLabel( label ); |
| 86 | |
| 87 | if ( style & wxALIGN_RIGHT ) |
| 88 | { |
| 89 | // VZ: as I don't know a way to create a right aligned checkbox with |
| 90 | // GTK we will create a checkbox without label and a label at the |
| 91 | // left of it |
| 92 | m_widgetCheckbox = gtk_check_button_new(); |
| 93 | |
| 94 | m_widgetLabel = gtk_label_new(m_label.mbc_str()); |
| 95 | gtk_misc_set_alignment(GTK_MISC(m_widgetLabel), 0.0, 0.5); |
| 96 | |
| 97 | m_widget = gtk_hbox_new(FALSE, 0); |
| 98 | gtk_box_pack_start(GTK_BOX(m_widget), m_widgetLabel, FALSE, FALSE, 3); |
| 99 | gtk_box_pack_start(GTK_BOX(m_widget), m_widgetCheckbox, FALSE, FALSE, 3); |
| 100 | |
| 101 | gtk_widget_show( m_widgetLabel ); |
| 102 | gtk_widget_show( m_widgetCheckbox ); |
| 103 | } |
| 104 | else |
| 105 | { |
| 106 | m_widgetCheckbox = gtk_check_button_new_with_label( m_label.mbc_str() ); |
| 107 | m_widgetLabel = GTK_BUTTON( m_widgetCheckbox )->child; |
| 108 | m_widget = m_widgetCheckbox; |
| 109 | } |
| 110 | |
| 111 | gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox), |
| 112 | "clicked", |
| 113 | GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), |
| 114 | (gpointer *)this ); |
| 115 | |
| 116 | m_parent->DoAddChild( this ); |
| 117 | |
| 118 | PostCreation(); |
| 119 | |
| 120 | SetFont( parent->GetFont() ); |
| 121 | |
| 122 | wxSize size_best( DoGetBestSize() ); |
| 123 | wxSize new_size( size ); |
| 124 | if (new_size.x == -1) |
| 125 | new_size.x = size_best.x; |
| 126 | if (new_size.y == -1) |
| 127 | new_size.y = size_best.y; |
| 128 | if ((new_size.x != size.x) || (new_size.y != size.y)) |
| 129 | SetSize( new_size.x, new_size.y ); |
| 130 | |
| 131 | SetBackgroundColour( parent->GetBackgroundColour() ); |
| 132 | SetForegroundColour( parent->GetForegroundColour() ); |
| 133 | |
| 134 | Show( TRUE ); |
| 135 | |
| 136 | return TRUE; |
| 137 | } |
| 138 | |
| 139 | void wxCheckBox::SetValue( bool state ) |
| 140 | { |
| 141 | wxCHECK_RET( m_widgetCheckbox != NULL, wxT("invalid checkbox") ); |
| 142 | |
| 143 | if (state == GetValue()) |
| 144 | return; |
| 145 | |
| 146 | gtk_signal_disconnect_by_func( GTK_OBJECT(m_widgetCheckbox), |
| 147 | GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), |
| 148 | (gpointer *)this ); |
| 149 | |
| 150 | gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state ); |
| 151 | |
| 152 | gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox), |
| 153 | "clicked", |
| 154 | GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback), |
| 155 | (gpointer *)this ); |
| 156 | } |
| 157 | |
| 158 | bool wxCheckBox::GetValue() const |
| 159 | { |
| 160 | wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, wxT("invalid checkbox") ); |
| 161 | |
| 162 | return GTK_TOGGLE_BUTTON(m_widgetCheckbox)->active; |
| 163 | } |
| 164 | |
| 165 | void wxCheckBox::SetLabel( const wxString& label ) |
| 166 | { |
| 167 | wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") ); |
| 168 | |
| 169 | wxControl::SetLabel( label ); |
| 170 | |
| 171 | gtk_label_set( GTK_LABEL(m_widgetLabel), GetLabel().mbc_str() ); |
| 172 | } |
| 173 | |
| 174 | bool wxCheckBox::Enable( bool enable ) |
| 175 | { |
| 176 | if ( !wxControl::Enable( enable ) ) |
| 177 | return FALSE; |
| 178 | |
| 179 | gtk_widget_set_sensitive( m_widgetLabel, enable ); |
| 180 | |
| 181 | return TRUE; |
| 182 | } |
| 183 | |
| 184 | void wxCheckBox::ApplyWidgetStyle() |
| 185 | { |
| 186 | SetWidgetStyle(); |
| 187 | gtk_widget_set_style( m_widgetCheckbox, m_widgetStyle ); |
| 188 | gtk_widget_set_style( m_widgetLabel, m_widgetStyle ); |
| 189 | } |
| 190 | |
| 191 | bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window ) |
| 192 | { |
| 193 | return (window == GTK_TOGGLE_BUTTON(m_widget)->event_window); |
| 194 | } |
| 195 | |
| 196 | void wxCheckBox::OnInternalIdle() |
| 197 | { |
| 198 | wxCursor cursor = m_cursor; |
| 199 | if (g_globalCursor.Ok()) cursor = g_globalCursor; |
| 200 | |
| 201 | if (GTK_TOGGLE_BUTTON(m_widgetCheckbox)->event_window && cursor.Ok()) |
| 202 | { |
| 203 | /* I now set the cursor the anew in every OnInternalIdle call |
| 204 | as setting the cursor in a parent window also effects the |
| 205 | windows above so that checking for the current cursor is |
| 206 | not possible. */ |
| 207 | |
| 208 | gdk_window_set_cursor( GTK_TOGGLE_BUTTON(m_widgetCheckbox)->event_window, cursor.GetCursor() ); |
| 209 | } |
| 210 | |
| 211 | UpdateWindowUI(); |
| 212 | } |
| 213 | |
| 214 | wxSize wxCheckBox::DoGetBestSize() const |
| 215 | { |
| 216 | return wxControl::DoGetBestSize(); |
| 217 | } |
| 218 | |
| 219 | #endif |