| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gtk/bmpbuttn.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifdef __GNUG__ |
| 11 | #pragma implementation "bmpbuttn.h" |
| 12 | #endif |
| 13 | |
| 14 | #include "wx/defs.h" |
| 15 | |
| 16 | #if wxUSE_BMPBUTTON |
| 17 | |
| 18 | #include "wx/bmpbuttn.h" |
| 19 | |
| 20 | #include <gdk/gdk.h> |
| 21 | #include <gtk/gtk.h> |
| 22 | |
| 23 | //----------------------------------------------------------------------------- |
| 24 | // classes |
| 25 | //----------------------------------------------------------------------------- |
| 26 | |
| 27 | class wxBitmapButton; |
| 28 | |
| 29 | //----------------------------------------------------------------------------- |
| 30 | // idle system |
| 31 | //----------------------------------------------------------------------------- |
| 32 | |
| 33 | extern void wxapp_install_idle_handler(); |
| 34 | extern bool g_isIdle; |
| 35 | |
| 36 | //----------------------------------------------------------------------------- |
| 37 | // data |
| 38 | //----------------------------------------------------------------------------- |
| 39 | |
| 40 | extern bool g_blockEventsOnDrag; |
| 41 | |
| 42 | //----------------------------------------------------------------------------- |
| 43 | // "clicked" |
| 44 | //----------------------------------------------------------------------------- |
| 45 | |
| 46 | static void gtk_bmpbutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) |
| 47 | { |
| 48 | if (g_isIdle) |
| 49 | wxapp_install_idle_handler(); |
| 50 | |
| 51 | if (!button->m_hasVMT) return; |
| 52 | if (g_blockEventsOnDrag) return; |
| 53 | |
| 54 | wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId()); |
| 55 | event.SetEventObject(button); |
| 56 | button->GetEventHandler()->ProcessEvent(event); |
| 57 | } |
| 58 | |
| 59 | //----------------------------------------------------------------------------- |
| 60 | // "enter" |
| 61 | //----------------------------------------------------------------------------- |
| 62 | |
| 63 | static void gtk_bmpbutton_enter_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) |
| 64 | { |
| 65 | if (!button->m_hasVMT) return; |
| 66 | if (g_blockEventsOnDrag) return; |
| 67 | |
| 68 | button->HasFocus(); |
| 69 | } |
| 70 | |
| 71 | //----------------------------------------------------------------------------- |
| 72 | // "leave" |
| 73 | //----------------------------------------------------------------------------- |
| 74 | |
| 75 | static void gtk_bmpbutton_leave_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) |
| 76 | { |
| 77 | if (!button->m_hasVMT) return; |
| 78 | if (g_blockEventsOnDrag) return; |
| 79 | |
| 80 | button->NotFocus(); |
| 81 | } |
| 82 | |
| 83 | //----------------------------------------------------------------------------- |
| 84 | // "pressed" |
| 85 | //----------------------------------------------------------------------------- |
| 86 | |
| 87 | static void gtk_bmpbutton_press_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) |
| 88 | { |
| 89 | if (!button->m_hasVMT) return; |
| 90 | if (g_blockEventsOnDrag) return; |
| 91 | |
| 92 | button->StartSelect(); |
| 93 | } |
| 94 | |
| 95 | //----------------------------------------------------------------------------- |
| 96 | // "released" |
| 97 | //----------------------------------------------------------------------------- |
| 98 | |
| 99 | static void gtk_bmpbutton_release_callback( GtkWidget *WXUNUSED(widget), wxBitmapButton *button ) |
| 100 | { |
| 101 | if (!button->m_hasVMT) return; |
| 102 | if (g_blockEventsOnDrag) return; |
| 103 | |
| 104 | button->EndSelect(); |
| 105 | } |
| 106 | |
| 107 | //----------------------------------------------------------------------------- |
| 108 | // wxBitmapButton |
| 109 | //----------------------------------------------------------------------------- |
| 110 | |
| 111 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton,wxButton) |
| 112 | |
| 113 | wxBitmapButton::wxBitmapButton() |
| 114 | { |
| 115 | } |
| 116 | |
| 117 | bool wxBitmapButton::Create( wxWindow *parent, wxWindowID id, const wxBitmap &bitmap, |
| 118 | const wxPoint &pos, const wxSize &size, |
| 119 | long style, const wxValidator& validator, const wxString &name ) |
| 120 | { |
| 121 | m_needParent = TRUE; |
| 122 | m_acceptsFocus = TRUE; |
| 123 | |
| 124 | if (!PreCreation( parent, pos, size ) || |
| 125 | !CreateBase( parent, id, pos, size, style, validator, name )) |
| 126 | { |
| 127 | wxFAIL_MSG( wxT("wxBitmapButton creation failed") ); |
| 128 | return FALSE; |
| 129 | } |
| 130 | |
| 131 | m_bmpNormal = |
| 132 | m_bmpDisabled = |
| 133 | m_bmpFocus = |
| 134 | m_bmpSelected = bitmap; |
| 135 | |
| 136 | m_widget = gtk_button_new(); |
| 137 | |
| 138 | #if (GTK_MINOR_VERSION > 0) |
| 139 | if (style & wxNO_BORDER) |
| 140 | gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE ); |
| 141 | #endif |
| 142 | |
| 143 | if (m_bmpNormal.Ok()) |
| 144 | { |
| 145 | wxSize newSize = size; |
| 146 | int border = (style & wxNO_BORDER) ? 4 : 10; |
| 147 | if (newSize.x == -1) |
| 148 | newSize.x = m_bmpNormal.GetWidth()+border; |
| 149 | if (newSize.y == -1) |
| 150 | newSize.y = m_bmpNormal.GetHeight()+border; |
| 151 | SetSize( newSize.x, newSize.y ); |
| 152 | OnSetBitmap(); |
| 153 | } |
| 154 | |
| 155 | gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", |
| 156 | GTK_SIGNAL_FUNC(gtk_bmpbutton_clicked_callback), (gpointer*)this ); |
| 157 | |
| 158 | gtk_signal_connect( GTK_OBJECT(m_widget), "enter", |
| 159 | GTK_SIGNAL_FUNC(gtk_bmpbutton_enter_callback), (gpointer*)this ); |
| 160 | gtk_signal_connect( GTK_OBJECT(m_widget), "leave", |
| 161 | GTK_SIGNAL_FUNC(gtk_bmpbutton_leave_callback), (gpointer*)this ); |
| 162 | gtk_signal_connect( GTK_OBJECT(m_widget), "pressed", |
| 163 | GTK_SIGNAL_FUNC(gtk_bmpbutton_press_callback), (gpointer*)this ); |
| 164 | gtk_signal_connect( GTK_OBJECT(m_widget), "released", |
| 165 | GTK_SIGNAL_FUNC(gtk_bmpbutton_release_callback), (gpointer*)this ); |
| 166 | |
| 167 | m_parent->DoAddChild( this ); |
| 168 | |
| 169 | PostCreation(); |
| 170 | |
| 171 | SetBackgroundColour( parent->GetBackgroundColour() ); |
| 172 | |
| 173 | Show( TRUE ); |
| 174 | |
| 175 | return TRUE; |
| 176 | } |
| 177 | |
| 178 | void wxBitmapButton::SetDefault() |
| 179 | { |
| 180 | GTK_WIDGET_SET_FLAGS( m_widget, GTK_CAN_DEFAULT ); |
| 181 | gtk_widget_grab_default( m_widget ); |
| 182 | |
| 183 | SetSize( m_x, m_y, m_width, m_height ); |
| 184 | } |
| 185 | |
| 186 | void wxBitmapButton::SetLabel( const wxString &label ) |
| 187 | { |
| 188 | wxCHECK_RET( m_widget != NULL, wxT("invalid button") ); |
| 189 | |
| 190 | wxControl::SetLabel( label ); |
| 191 | } |
| 192 | |
| 193 | wxString wxBitmapButton::GetLabel() const |
| 194 | { |
| 195 | wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid button") ); |
| 196 | |
| 197 | return wxControl::GetLabel(); |
| 198 | } |
| 199 | |
| 200 | void wxBitmapButton::ApplyWidgetStyle() |
| 201 | { |
| 202 | if (GTK_BUTTON(m_widget)->child == NULL) return; |
| 203 | |
| 204 | wxButton::ApplyWidgetStyle(); |
| 205 | } |
| 206 | |
| 207 | void wxBitmapButton::OnSetBitmap() |
| 208 | { |
| 209 | wxCHECK_RET( m_widget != NULL, wxT("invalid bitmap button") ); |
| 210 | |
| 211 | wxBitmap the_one; |
| 212 | if (!m_isEnabled) |
| 213 | the_one = m_bmpDisabled; |
| 214 | else if (m_isSelected) |
| 215 | the_one = m_bmpSelected; |
| 216 | else if (m_hasFocus) |
| 217 | the_one = m_bmpFocus; |
| 218 | else |
| 219 | { |
| 220 | if (m_isSelected) |
| 221 | { |
| 222 | the_one = m_bmpSelected; |
| 223 | } |
| 224 | else |
| 225 | { |
| 226 | if (m_hasFocus) |
| 227 | the_one = m_bmpFocus; |
| 228 | else |
| 229 | the_one = m_bmpNormal; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | if (!the_one.Ok()) the_one = m_bmpNormal; |
| 234 | if (!the_one.Ok()) return; |
| 235 | |
| 236 | GdkBitmap *mask = (GdkBitmap *) NULL; |
| 237 | if (the_one.GetMask()) mask = the_one.GetMask()->GetBitmap(); |
| 238 | |
| 239 | GtkButton *bin = GTK_BUTTON(m_widget); |
| 240 | if (bin->child == NULL) |
| 241 | { |
| 242 | // initial bitmap |
| 243 | GtkWidget *pixmap = gtk_pixmap_new(the_one.GetPixmap(), mask); |
| 244 | gtk_widget_show(pixmap); |
| 245 | gtk_container_add(GTK_CONTAINER(m_widget), pixmap); |
| 246 | } |
| 247 | else |
| 248 | { // subsequent bitmaps |
| 249 | GtkPixmap *g_pixmap = GTK_PIXMAP(bin->child); |
| 250 | gtk_pixmap_set(g_pixmap, the_one.GetPixmap(), mask); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | bool wxBitmapButton::Enable( bool enable ) |
| 255 | { |
| 256 | if ( !wxWindow::Enable(enable) ) |
| 257 | return FALSE; |
| 258 | |
| 259 | OnSetBitmap(); |
| 260 | |
| 261 | return TRUE; |
| 262 | } |
| 263 | |
| 264 | void wxBitmapButton::HasFocus() |
| 265 | { |
| 266 | m_hasFocus = TRUE; |
| 267 | OnSetBitmap(); |
| 268 | } |
| 269 | |
| 270 | void wxBitmapButton::NotFocus() |
| 271 | { |
| 272 | m_hasFocus = FALSE; |
| 273 | OnSetBitmap(); |
| 274 | } |
| 275 | |
| 276 | void wxBitmapButton::StartSelect() |
| 277 | { |
| 278 | m_isSelected = TRUE; |
| 279 | OnSetBitmap(); |
| 280 | } |
| 281 | |
| 282 | void wxBitmapButton::EndSelect() |
| 283 | { |
| 284 | m_isSelected = FALSE; |
| 285 | OnSetBitmap(); |
| 286 | } |
| 287 | |
| 288 | #endif // wxUSE_BMPBUTTON |
| 289 | |