| 1 | ///////////////////////////////////////////////////////////////////////// |
| 2 | // File: src/gtk/taskbar.cpp |
| 3 | // Purpose: wxTaskBarIcon |
| 4 | // Author: Vaclav Slavik |
| 5 | // Modified by: Paul Cornett |
| 6 | // Created: 2004/05/29 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Vaclav Slavik, 2004 |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if wxUSE_TASKBARICON |
| 16 | |
| 17 | #include "wx/taskbar.h" |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/toplevel.h" |
| 21 | #include "wx/menu.h" |
| 22 | #include "wx/icon.h" |
| 23 | #endif |
| 24 | |
| 25 | #include "eggtrayicon.h" |
| 26 | #include <gtk/gtk.h> |
| 27 | |
| 28 | #if !GTK_CHECK_VERSION(2,10,0) |
| 29 | typedef struct _GtkStatusIcon GtkStatusIcon; |
| 30 | #endif |
| 31 | |
| 32 | class wxTaskBarIcon::Private |
| 33 | { |
| 34 | public: |
| 35 | Private(wxTaskBarIcon* taskBarIcon); |
| 36 | ~Private(); |
| 37 | void SetIcon(); |
| 38 | void size_allocate(int width, int height); |
| 39 | |
| 40 | // owning wxTaskBarIcon |
| 41 | wxTaskBarIcon* m_taskBarIcon; |
| 42 | // used when GTK+ >= 2.10 |
| 43 | GtkStatusIcon* m_statusIcon; |
| 44 | // used when GTK+ < 2.10 |
| 45 | GtkWidget* m_eggTrayIcon; |
| 46 | // for PopupMenu |
| 47 | wxWindow* m_win; |
| 48 | // for tooltip when GTK+ < 2.10 |
| 49 | GtkTooltips* m_tooltips; |
| 50 | wxBitmap m_bitmap; |
| 51 | wxString m_tipText; |
| 52 | // width and height of available space, only used when GTK+ < 2.10 |
| 53 | int m_size; |
| 54 | }; |
| 55 | //----------------------------------------------------------------------------- |
| 56 | |
| 57 | extern "C" { |
| 58 | static void |
| 59 | icon_size_allocate(GtkWidget*, GtkAllocation* alloc, wxTaskBarIcon::Private* priv) |
| 60 | { |
| 61 | priv->size_allocate(alloc->width, alloc->height); |
| 62 | } |
| 63 | |
| 64 | static void |
| 65 | icon_destroy(GtkWidget*, wxTaskBarIcon::Private* priv) |
| 66 | { |
| 67 | // Icon window destroyed, probably because tray program has died. |
| 68 | // Recreate icon so it will appear if tray program is restarted. |
| 69 | priv->m_eggTrayIcon = NULL; |
| 70 | priv->SetIcon(); |
| 71 | } |
| 72 | |
| 73 | static void |
| 74 | icon_activate(void*, wxTaskBarIcon* taskBarIcon) |
| 75 | { |
| 76 | // activate occurs from single click with GTK+ |
| 77 | wxTaskBarIconEvent event(wxEVT_TASKBAR_LEFT_DOWN, taskBarIcon); |
| 78 | if (!taskBarIcon->SafelyProcessEvent(event)) |
| 79 | { |
| 80 | // if single click not handled, send double click for compatibility |
| 81 | event.SetEventType(wxEVT_TASKBAR_LEFT_DCLICK); |
| 82 | taskBarIcon->SafelyProcessEvent(event); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | static gboolean |
| 87 | icon_popup_menu(GtkWidget*, wxTaskBarIcon* taskBarIcon) |
| 88 | { |
| 89 | wxTaskBarIconEvent event(wxEVT_TASKBAR_CLICK, taskBarIcon); |
| 90 | taskBarIcon->SafelyProcessEvent(event); |
| 91 | return true; |
| 92 | } |
| 93 | |
| 94 | static gboolean |
| 95 | icon_button_press_event(GtkWidget*, GdkEventButton* event, wxTaskBarIcon* taskBarIcon) |
| 96 | { |
| 97 | if (event->type == GDK_BUTTON_PRESS) |
| 98 | { |
| 99 | if (event->button == 1) |
| 100 | icon_activate(NULL, taskBarIcon); |
| 101 | else if (event->button == 3) |
| 102 | icon_popup_menu(NULL, taskBarIcon); |
| 103 | } |
| 104 | return false; |
| 105 | } |
| 106 | |
| 107 | #if GTK_CHECK_VERSION(2,10,0) |
| 108 | static void |
| 109 | status_icon_popup_menu(GtkStatusIcon*, guint, guint, wxTaskBarIcon* taskBarIcon) |
| 110 | { |
| 111 | icon_popup_menu(NULL, taskBarIcon); |
| 112 | } |
| 113 | #endif |
| 114 | } // extern "C" |
| 115 | //----------------------------------------------------------------------------- |
| 116 | |
| 117 | bool wxTaskBarIconBase::IsAvailable() |
| 118 | { |
| 119 | char name[32]; |
| 120 | g_snprintf(name, sizeof(name), "_NET_SYSTEM_TRAY_S%d", |
| 121 | gdk_x11_get_default_screen()); |
| 122 | Atom atom = gdk_x11_get_xatom_by_name(name); |
| 123 | |
| 124 | Window manager = XGetSelectionOwner(gdk_x11_get_default_xdisplay(), atom); |
| 125 | |
| 126 | return manager != None; |
| 127 | } |
| 128 | //----------------------------------------------------------------------------- |
| 129 | |
| 130 | wxTaskBarIcon::Private::Private(wxTaskBarIcon* taskBarIcon) |
| 131 | { |
| 132 | m_taskBarIcon = taskBarIcon; |
| 133 | m_statusIcon = NULL; |
| 134 | m_eggTrayIcon = NULL; |
| 135 | m_win = NULL; |
| 136 | m_tooltips = NULL; |
| 137 | m_size = 0; |
| 138 | } |
| 139 | |
| 140 | wxTaskBarIcon::Private::~Private() |
| 141 | { |
| 142 | if (m_statusIcon) |
| 143 | g_object_unref(m_statusIcon); |
| 144 | else if (m_eggTrayIcon) |
| 145 | { |
| 146 | g_signal_handlers_disconnect_by_func(m_eggTrayIcon, (void*)icon_destroy, this); |
| 147 | gtk_widget_destroy(m_eggTrayIcon); |
| 148 | } |
| 149 | if (m_win) |
| 150 | { |
| 151 | m_win->PopEventHandler(); |
| 152 | m_win->Destroy(); |
| 153 | } |
| 154 | if (m_tooltips) |
| 155 | { |
| 156 | gtk_object_destroy(GTK_OBJECT(m_tooltips)); |
| 157 | g_object_unref(m_tooltips); |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | void wxTaskBarIcon::Private::SetIcon() |
| 162 | { |
| 163 | #if GTK_CHECK_VERSION(2,10,0) |
| 164 | if (gtk_check_version(2,10,0) == NULL) |
| 165 | { |
| 166 | if (m_statusIcon) |
| 167 | gtk_status_icon_set_from_pixbuf(m_statusIcon, m_bitmap.GetPixbuf()); |
| 168 | else |
| 169 | { |
| 170 | m_statusIcon = gtk_status_icon_new_from_pixbuf(m_bitmap.GetPixbuf()); |
| 171 | g_signal_connect(m_statusIcon, "activate", |
| 172 | G_CALLBACK(icon_activate), m_taskBarIcon); |
| 173 | g_signal_connect(m_statusIcon, "popup_menu", |
| 174 | G_CALLBACK(status_icon_popup_menu), m_taskBarIcon); |
| 175 | } |
| 176 | } |
| 177 | else |
| 178 | #endif |
| 179 | { |
| 180 | m_size = 0; |
| 181 | if (m_eggTrayIcon) |
| 182 | { |
| 183 | GtkWidget* image = GTK_BIN(m_eggTrayIcon)->child; |
| 184 | gtk_image_set_from_pixbuf(GTK_IMAGE(image), m_bitmap.GetPixbuf()); |
| 185 | } |
| 186 | else |
| 187 | { |
| 188 | m_eggTrayIcon = GTK_WIDGET(egg_tray_icon_new("wxTaskBarIcon")); |
| 189 | gtk_widget_add_events(m_eggTrayIcon, GDK_BUTTON_PRESS_MASK); |
| 190 | g_signal_connect(m_eggTrayIcon, "size_allocate", |
| 191 | G_CALLBACK(icon_size_allocate), this); |
| 192 | g_signal_connect(m_eggTrayIcon, "destroy", |
| 193 | G_CALLBACK(icon_destroy), this); |
| 194 | g_signal_connect(m_eggTrayIcon, "button_press_event", |
| 195 | G_CALLBACK(icon_button_press_event), m_taskBarIcon); |
| 196 | g_signal_connect(m_eggTrayIcon, "popup_menu", |
| 197 | G_CALLBACK(icon_popup_menu), m_taskBarIcon); |
| 198 | GtkWidget* image = gtk_image_new_from_pixbuf(m_bitmap.GetPixbuf()); |
| 199 | gtk_container_add(GTK_CONTAINER(m_eggTrayIcon), image); |
| 200 | gtk_widget_show_all(m_eggTrayIcon); |
| 201 | } |
| 202 | } |
| 203 | #if wxUSE_TOOLTIPS |
| 204 | const char *tip_text = NULL; |
| 205 | if (!m_tipText.empty()) |
| 206 | tip_text = m_tipText.c_str(); |
| 207 | |
| 208 | #if GTK_CHECK_VERSION(2,10,0) |
| 209 | if (m_statusIcon) |
| 210 | gtk_status_icon_set_tooltip(m_statusIcon, tip_text); |
| 211 | else |
| 212 | #endif |
| 213 | { |
| 214 | if (tip_text && m_tooltips == NULL) |
| 215 | { |
| 216 | m_tooltips = gtk_tooltips_new(); |
| 217 | g_object_ref(m_tooltips); |
| 218 | gtk_object_sink(GTK_OBJECT(m_tooltips)); |
| 219 | } |
| 220 | if (m_tooltips) |
| 221 | gtk_tooltips_set_tip(m_tooltips, m_eggTrayIcon, tip_text, ""); |
| 222 | } |
| 223 | #endif // wxUSE_TOOLTIPS |
| 224 | } |
| 225 | |
| 226 | void wxTaskBarIcon::Private::size_allocate(int width, int height) |
| 227 | { |
| 228 | int size = height; |
| 229 | EggTrayIcon* icon = EGG_TRAY_ICON(m_eggTrayIcon); |
| 230 | if (egg_tray_icon_get_orientation(icon) == GTK_ORIENTATION_VERTICAL) |
| 231 | size = width; |
| 232 | if (m_size == size) |
| 233 | return; |
| 234 | m_size = size; |
| 235 | int w = m_bitmap.GetWidth(); |
| 236 | int h = m_bitmap.GetHeight(); |
| 237 | if (w > size || h > size) |
| 238 | { |
| 239 | if (w > size) w = size; |
| 240 | if (h > size) h = size; |
| 241 | GdkPixbuf* pixbuf = |
| 242 | gdk_pixbuf_scale_simple(m_bitmap.GetPixbuf(), w, h, GDK_INTERP_BILINEAR); |
| 243 | GtkImage* image = GTK_IMAGE(GTK_BIN(m_eggTrayIcon)->child); |
| 244 | gtk_image_set_from_pixbuf(image, pixbuf); |
| 245 | g_object_unref(pixbuf); |
| 246 | } |
| 247 | } |
| 248 | //----------------------------------------------------------------------------- |
| 249 | |
| 250 | IMPLEMENT_DYNAMIC_CLASS(wxTaskBarIcon, wxEvtHandler) |
| 251 | |
| 252 | wxTaskBarIcon::wxTaskBarIcon() |
| 253 | { |
| 254 | m_priv = new Private(this); |
| 255 | } |
| 256 | |
| 257 | wxTaskBarIcon::~wxTaskBarIcon() |
| 258 | { |
| 259 | delete m_priv; |
| 260 | } |
| 261 | |
| 262 | bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip) |
| 263 | { |
| 264 | m_priv->m_bitmap = icon; |
| 265 | m_priv->m_tipText = tooltip; |
| 266 | m_priv->SetIcon(); |
| 267 | return true; |
| 268 | } |
| 269 | |
| 270 | bool wxTaskBarIcon::RemoveIcon() |
| 271 | { |
| 272 | delete m_priv; |
| 273 | m_priv = new Private(this); |
| 274 | return true; |
| 275 | } |
| 276 | |
| 277 | bool wxTaskBarIcon::IsIconInstalled() const |
| 278 | { |
| 279 | return m_priv->m_statusIcon || m_priv->m_eggTrayIcon; |
| 280 | } |
| 281 | |
| 282 | bool wxTaskBarIcon::PopupMenu(wxMenu* menu) |
| 283 | { |
| 284 | #if wxUSE_MENUS |
| 285 | if (m_priv->m_win == NULL) |
| 286 | { |
| 287 | m_priv->m_win = new wxTopLevelWindow( |
| 288 | NULL, wxID_ANY, wxString(), wxDefaultPosition, wxDefaultSize, 0); |
| 289 | m_priv->m_win->PushEventHandler(this); |
| 290 | } |
| 291 | wxPoint point(-1, -1); |
| 292 | #ifdef __WXUNIVERSAL__ |
| 293 | point = wxGetMousePosition(); |
| 294 | #endif |
| 295 | m_priv->m_win->PopupMenu(menu, point); |
| 296 | #endif // wxUSE_MENUS |
| 297 | return true; |
| 298 | } |
| 299 | |
| 300 | #endif // wxUSE_TASKBARICON |