예제 #1
0
static int gtkCanvasMapMethod(Ihandle* ih)
{
  GtkWidget* sb_win;
#if !GTK_CHECK_VERSION(3, 0, 0)
  void* visual;
#endif

  if (!ih->parent)
    return IUP_ERROR;

  ih->data->sb = iupBaseGetScrollbar(ih);

#if !GTK_CHECK_VERSION(3, 0, 0)
  visual = (void*)IupGetAttribute(ih, "VISUAL");   /* defined by the OpenGL Canvas in X11 or NULL */
  if (visual)
    iupgtkPushVisualAndColormap(visual, (void*)iupAttribGet(ih, "COLORMAP"));
#endif

  ih->handle = iupgtkNativeContainerNew();  /* canvas is also a container */

#if !GTK_CHECK_VERSION(3, 0, 0)
  if (visual)
    gtk_widget_pop_colormap();
#endif

  if (!ih->handle)
      return IUP_ERROR;

  /* CD will NOT work properly without this, must use always the CD-GDK driver */
  iupgtkNativeContainerSetHasWindow(ih->handle, TRUE);  

  sb_win = iupgtkNativeContainerNew();
  if (!sb_win)
    return IUP_ERROR;

  iupgtkNativeContainerAdd(sb_win, ih->handle);
  gtk_widget_show(sb_win);

  iupAttribSetStr(ih, "_IUP_EXTRAPARENT", (char*)sb_win);

  /* add to the parent, all GTK controls must call this. */
  iupgtkAddToParent(ih);

  g_signal_connect(G_OBJECT(ih->handle), "focus-in-event",     G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "focus-out-event",    G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "key-press-event",    G_CALLBACK(iupgtkKeyPressEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "key-release-event",  G_CALLBACK(iupgtkKeyReleaseEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "enter-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "leave-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "show-help",          G_CALLBACK(iupgtkShowHelp), ih);

#if GTK_CHECK_VERSION(3, 0, 0)
  g_signal_connect(G_OBJECT(ih->handle), "draw",               G_CALLBACK(gtkCanvasDraw), ih);
#else
  g_signal_connect(G_OBJECT(ih->handle), "expose-event",       G_CALLBACK(gtkCanvasExposeEvent), ih);
#endif
  g_signal_connect(G_OBJECT(ih->handle), "button-press-event", G_CALLBACK(gtkCanvasButtonEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "button-release-event",G_CALLBACK(gtkCanvasButtonEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "motion-notify-event",G_CALLBACK(iupgtkMotionNotifyEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "scroll-event",G_CALLBACK(gtkCanvasScrollEvent), ih);

  g_signal_connect(G_OBJECT(ih->handle), "size-allocate", G_CALLBACK(gtkCanvasSizeAllocate), ih);

  /* To receive mouse events on a drawing area, you will need to enable them. */
  gtk_widget_add_events(ih->handle, GDK_EXPOSURE_MASK|
    GDK_POINTER_MOTION_MASK|GDK_POINTER_MOTION_HINT_MASK|
    GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK|GDK_BUTTON_MOTION_MASK|
    GDK_KEY_PRESS_MASK|GDK_KEY_RELEASE_MASK|
    GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK|
    GDK_FOCUS_CHANGE_MASK|GDK_STRUCTURE_MASK);

  /* To receive keyboard events, you will need to set the GTK_CAN_FOCUS flag on the drawing area. */
  if (ih->iclass->is_interactive)
  {
    if (iupAttribGetBoolean(ih, "CANFOCUS"))
      iupgtkSetCanFocus(ih->handle, 1);
  }

  if (iupAttribGetBoolean(ih, "BORDER"))
  {
    iupAttribSetInt(ih, "BORDERWIDTH", 1);
#if GTK_CHECK_VERSION(3, 0, 0)
    g_signal_connect(G_OBJECT(sb_win), "draw", G_CALLBACK(gtkCanvasBorderDraw), NULL);
#else
    g_signal_connect(G_OBJECT(sb_win), "expose-event", G_CALLBACK(gtkCanvasBorderExposeEvent), NULL);
#endif
  }

  gtk_widget_realize(sb_win);

  if (ih->data->sb & IUP_SB_HORIZ)
  {
#if GTK_CHECK_VERSION(3, 0, 0)
    GtkWidget* sb_horiz = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, NULL);
#else
    GtkWidget* sb_horiz = gtk_hscrollbar_new(NULL);
#endif
    iupgtkNativeContainerAdd(sb_win, sb_horiz);
    gtk_widget_show(sb_horiz);
    gtk_widget_realize(sb_horiz);

    g_signal_connect(G_OBJECT(sb_horiz), "change-value",G_CALLBACK(gtkCanvasScrollHorizChangeValue), ih);
    g_signal_connect(G_OBJECT(gtk_range_get_adjustment(GTK_RANGE(sb_horiz))), "value-changed",G_CALLBACK(gtkCanvasAdjustHorizValueChanged), ih);

    iupAttribSetStr(ih, "_IUPGTK_SBHORIZ", (char*)sb_horiz);
  }

  if (ih->data->sb & IUP_SB_VERT)
  {
#if GTK_CHECK_VERSION(3, 0, 0)
    GtkWidget* sb_vert = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, NULL);
#else
    GtkWidget* sb_vert = gtk_vscrollbar_new(NULL);
#endif
    iupgtkNativeContainerAdd(sb_win, sb_vert);
    gtk_widget_show(sb_vert);
    gtk_widget_realize(sb_vert);

    g_signal_connect(G_OBJECT(sb_vert), "change-value",G_CALLBACK(gtkCanvasScrollVertChangeValue), ih);
    g_signal_connect(G_OBJECT(gtk_range_get_adjustment(GTK_RANGE(sb_vert))), "value-changed",G_CALLBACK(gtkCanvasAdjustVertValueChanged), ih);
    iupAttribSetStr(ih, "_IUPGTK_SBVERT", (char*)sb_vert);
  }

  gtk_widget_realize(ih->handle);

  /* configure for DRAG&DROP */
  if (IupGetCallback(ih, "DROPFILES_CB"))
    iupAttribSetStr(ih, "DROPFILESTARGET", "YES");

  /* update a mnemonic in a label if necessary */
  iupgtkUpdateMnemonic(ih);

  /* force the update of BGCOLOR here, to let derived classes ignore it if ACTION is defined */
  gtkCanvasSetBgColorAttrib(ih, iupAttribGetStr(ih, "BGCOLOR"));
    
  return IUP_NOERROR;
}
예제 #2
0
static int gtkButtonMapMethod(Ihandle* ih)
{
  int impress;
  char* value;

  value = iupAttribGet(ih, "IMAGE");
  if (value)
  {
    ih->data->type = IUP_BUTTON_IMAGE;

    value = iupAttribGet(ih, "TITLE");
    if (value && *value!=0)
      ih->data->type |= IUP_BUTTON_TEXT;
  }
  else
    ih->data->type = IUP_BUTTON_TEXT;

  if (ih->data->type == IUP_BUTTON_IMAGE &&
      iupAttribGet(ih, "IMPRESS") &&
      !iupAttribGetBoolean(ih, "IMPRESSBORDER"))
  {
    GtkWidget *img = gtk_image_new();
    ih->handle = gtk_event_box_new();
    gtk_container_add((GtkContainer*)ih->handle, img);
    gtk_widget_show(img);
    iupAttribSetStr(ih, "_IUPGTK_EVENTBOX", "1");
  }
  else
    ih->handle = gtk_button_new();

  if (!ih->handle)
    return IUP_ERROR;

  if (ih->data->type & IUP_BUTTON_IMAGE)
  {
    if (!iupAttribGet(ih, "_IUPGTK_EVENTBOX"))
    {
      gtk_button_set_image((GtkButton*)ih->handle, gtk_image_new());

      if (ih->data->type & IUP_BUTTON_TEXT)
      {
        GtkSettings* settings = gtk_widget_get_settings(ih->handle);
        g_object_set(settings, "gtk-button-images", (int)TRUE, NULL);

        gtk_button_set_label((GtkButton*)ih->handle, iupgtkStrConvertToUTF8(iupAttribGet(ih, "TITLE")));
      
#if GTK_CHECK_VERSION(2, 10, 0)
        gtk_button_set_image_position((GtkButton*)ih->handle, ih->data->img_position);  /* IUP and GTK have the same Ids */
#endif
      }
    }
  }
  else
  {
    char* title = iupAttribGet(ih, "TITLE");
    if (!title) 
    {
      if (iupAttribGet(ih, "BGCOLOR"))
      {
        int x=0, y=0;
        GtkWidget* frame = gtk_frame_new(NULL);
#if GTK_CHECK_VERSION(2, 18, 0)
        GtkWidget* drawarea = gtk_drawing_area_new();
        gtk_widget_set_has_window(drawarea, TRUE);
#else
        GtkWidget* drawarea = gtk_fixed_new();
        gtk_fixed_set_has_window(GTK_FIXED(drawarea), TRUE);
#endif
        gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
        iupdrvButtonAddBorders(&x, &y);
        gtk_widget_set_size_request (frame, ih->currentwidth-x, ih->currentheight-y);
        gtk_container_add(GTK_CONTAINER(frame), drawarea);
        gtk_widget_show(drawarea);

        gtk_button_set_image((GtkButton*)ih->handle, frame);
      }
      else
        gtk_button_set_label((GtkButton*)ih->handle, "");
    }
    else
      gtk_button_set_label((GtkButton*)ih->handle, iupgtkStrConvertToUTF8(title));
  }

  /* add to the parent, all GTK controls must call this. */
  iupgtkAddToParent(ih);

  if (!iupAttribGetBoolean(ih, "CANFOCUS"))
    iupgtkSetCanFocus(ih->handle, 0);

  value = iupAttribGet(ih, "IMPRESS");
  impress = (ih->data->type & IUP_BUTTON_IMAGE && value)? 1: 0;
  if (!impress && iupAttribGetBoolean(ih, "FLAT"))
  {
    gtk_button_set_relief((GtkButton*)ih->handle, GTK_RELIEF_NONE);

    g_signal_connect(G_OBJECT(ih->handle), "enter-notify-event", G_CALLBACK(gtkButtonEnterLeaveEvent), ih);
    g_signal_connect(G_OBJECT(ih->handle), "leave-notify-event", G_CALLBACK(gtkButtonEnterLeaveEvent), ih);
  }
  else
  {
    if (!iupAttribGet(ih, "_IUPGTK_EVENTBOX"))
    {
      if (impress && !iupAttribGetStr(ih, "IMPRESSBORDER"))
        gtk_button_set_relief((GtkButton*)ih->handle, GTK_RELIEF_NONE);
      else
        gtk_button_set_relief((GtkButton*)ih->handle, GTK_RELIEF_NORMAL);
    }

    g_signal_connect(G_OBJECT(ih->handle), "enter-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
    g_signal_connect(G_OBJECT(ih->handle), "leave-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
  }

  g_signal_connect(G_OBJECT(ih->handle), "focus-in-event",     G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "focus-out-event",    G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "key-press-event",    G_CALLBACK(iupgtkKeyPressEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "show-help",          G_CALLBACK(iupgtkShowHelp), ih);

  if (!iupAttribGet(ih, "_IUPGTK_EVENTBOX"))
    g_signal_connect(G_OBJECT(ih->handle), "clicked", G_CALLBACK(gtkButtonClicked), ih);

  g_signal_connect(G_OBJECT(ih->handle), "button-press-event", G_CALLBACK(gtkButtonEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "button-release-event",G_CALLBACK(gtkButtonEvent), ih);

  gtk_widget_realize(ih->handle);

  /* update a mnemonic in a label if necessary */
  iupgtkUpdateMnemonic(ih);

  return IUP_NOERROR;
}
예제 #3
0
파일: iupgtk_tabs.c 프로젝트: Vulcanior/IUP
/* ------------------------------------------------------------------------- */
static void gtkTabsChildAddedMethod(Ihandle* ih, Ihandle* child)
{
  /* make sure it has at least one name */
  if (!iupAttribGetHandleName(child))
    iupAttribSetHandleName(child);

  if (ih->handle)
  {
    GtkWidget *evtBox, *tab_page, *tab_container, *box = NULL;
    GtkWidget *tab_label = NULL, *tab_image = NULL, *tab_close = NULL;
    char *tabtitle, *tabimage;
    int pos;
    unsigned char r, g, b;

    pos = IupGetChildPos(ih, child);

    /* Can not hide the tab_page, 
       or the tab will be automatically hidden.
       So create a secondary container to hide its child instead. */
#if GTK_CHECK_VERSION(3, 0, 0)
    tab_page = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
#else
    tab_page = gtk_vbox_new(FALSE, 0);
#endif
    gtk_widget_show(tab_page);

    tab_container = gtk_fixed_new(); /* can not use iupgtkNativeContainerNew in GTK3 */
    gtk_widget_show(tab_container);
    gtk_container_add((GtkContainer*)tab_page, tab_container);

    tabtitle = iupAttribGet(child, "TABTITLE");
    if (!tabtitle)
    {
      tabtitle = iupAttribGetId(ih, "TABTITLE", pos);
      if (tabtitle)
        iupAttribSetStr(child, "TABTITLE", tabtitle);
    }
    tabimage = iupAttribGet(child, "TABIMAGE");
    if (!tabimage)
    {
      tabimage = iupAttribGetId(ih, "TABIMAGE", pos);
      if (tabimage)
        iupAttribSetStr(child, "TABIMAGE", tabimage);
    }
    if (!tabtitle && !tabimage)
      tabtitle = "     ";

    if (tabtitle)
    {
      tab_label = gtk_label_new(NULL);
      iupgtkSetMnemonicTitle(ih, (GtkLabel*)tab_label, tabtitle);

#if GTK_CHECK_VERSION(2, 6, 0)
      if (ih->data->orientation == ITABS_VERTICAL)
        gtk_label_set_angle((GtkLabel*)tab_label, 90);
#endif
    }

    if (tabimage)
    {
      GdkPixbuf* pixbuf = iupImageGetImage(tabimage, ih, 0);

      tab_image = gtk_image_new();

      if (pixbuf)
        gtk_image_set_from_pixbuf((GtkImage*)tab_image, pixbuf);
    }

    if(ih->data->show_close)
    {
#if GTK_CHECK_VERSION(3, 10, 0)
      GtkWidget* image = gtk_image_new_from_icon_name("window-close", GTK_ICON_SIZE_MENU);
#else
      GtkWidget* image = gtk_image_new_from_stock(GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU);
#endif

      tab_close = gtk_button_new();
      gtk_button_set_image((GtkButton*)tab_close, image);
      gtk_button_set_relief((GtkButton*)tab_close, GTK_RELIEF_NONE);
      gtk_button_set_focus_on_click((GtkButton*)tab_close, FALSE);
      iupgtkSetCanFocus(tab_close, FALSE);

      g_signal_connect(G_OBJECT(tab_close), "clicked", G_CALLBACK(gtkTabsCloseButtonClicked), child);
    }

    iupAttribSet(ih, "_IUPGTK_IGNORE_CHANGE", "1");

    if ((tabimage && tabtitle) || ih->data->show_close)
    { 
#if GTK_CHECK_VERSION(3, 0, 0)
      if (ih->data->orientation == ITABS_VERTICAL)
        box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 2);
      else
        box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 2);
#else
      if (ih->data->orientation == ITABS_VERTICAL)
        box = gtk_vbox_new(FALSE, 2);
      else
        box = gtk_hbox_new(FALSE, 2);
#endif
      gtk_widget_show(box);
    }

    /* RIGHTCLICK_CB will not work without the eventbox */
    evtBox = gtk_event_box_new();
    gtk_widget_add_events(evtBox, GDK_BUTTON_PRESS_MASK);
    g_signal_connect(G_OBJECT(evtBox), "button-press-event", G_CALLBACK(gtkTabsButtonPressEvent), child);

    if (tabimage && tabtitle)
    {
      gtk_container_add((GtkContainer*)box, tab_image);
      gtk_container_add((GtkContainer*)box, tab_label);
      
      if(ih->data->show_close)
        gtk_container_add((GtkContainer*)box, tab_close);

      gtk_container_add((GtkContainer*)evtBox, box);
      gtk_notebook_insert_page((GtkNotebook*)ih->handle, tab_page, evtBox, pos);
      gtk_notebook_set_menu_label_text((GtkNotebook*)ih->handle, tab_page, gtk_label_get_text((GtkLabel*)tab_label));
    }
    else if(tabimage && ih->data->show_close)
    {
      gtk_container_add((GtkContainer*)box, tab_image);
      gtk_container_add((GtkContainer*)box, tab_close);
      gtk_container_add((GtkContainer*)evtBox, box);
      gtk_notebook_insert_page((GtkNotebook*)ih->handle, tab_page, evtBox, pos);
    }
    else if(tabtitle && ih->data->show_close)
    {
      gtk_container_add((GtkContainer*)box, tab_label);
      gtk_container_add((GtkContainer*)box, tab_close);
      gtk_container_add((GtkContainer*)evtBox, box);
      gtk_notebook_insert_page((GtkNotebook*)ih->handle, tab_page, evtBox, pos);
      gtk_notebook_set_menu_label_text((GtkNotebook*)ih->handle, tab_page, gtk_label_get_text((GtkLabel*)tab_label));
    }
    else if (tabimage)
    {
      gtk_container_add((GtkContainer*)evtBox, tab_image);
      gtk_notebook_insert_page((GtkNotebook*)ih->handle, tab_page, evtBox, pos);
    }
    else
    {
      gtk_container_add((GtkContainer*)evtBox, tab_label);
      gtk_notebook_insert_page((GtkNotebook*)ih->handle, tab_page, evtBox, pos);
    }

    gtk_widget_realize(tab_page);

    iupAttribSet(child, "_IUPGTK_TABCLOSE", (char*)tab_close);
    iupAttribSet(child, "_IUPGTK_TABIMAGE", (char*)tab_image);  /* store it even if its NULL */
    iupAttribSet(child, "_IUPGTK_TABLABEL", (char*)tab_label);
    iupAttribSet(child, "_IUPTAB_CONTAINER", (char*)tab_container);
    iupAttribSet(child, "_IUPTAB_PAGE", (char*)tab_page);
    iupStrToRGB(IupGetAttribute(ih, "BGCOLOR"), &r, &g, &b);
    iupgtkSetBgColor(tab_container, r, g, b);

    if (tabtitle)
    {
      iupgtkUpdateWidgetFont(ih, tab_label);

      iupgtkSetBgColor(tab_label, r, g, b);

      iupStrToRGB(IupGetAttribute(ih, "FGCOLOR"), &r, &g, &b);
      iupgtkSetFgColor(tab_label, r, g, b);

      gtk_widget_show(tab_label);
      gtk_widget_realize(tab_label);
    }

    if (tabimage)
    {
      gtk_widget_show(tab_image);
      gtk_widget_realize(tab_image);
    }

    if (ih->data->show_close)
    {
      gtk_widget_show(tab_close);
      gtk_widget_realize(tab_close);
    }

    iupAttribSet(ih, "_IUPGTK_IGNORE_CHANGE", NULL);

    if (pos != iupdrvTabsGetCurrentTab(ih))
      gtk_widget_hide(tab_container);
  }
}
예제 #4
0
static int gtkToggleMapMethod(Ihandle* ih)
{
  Ihandle* radio = iupRadioFindToggleParent(ih);
  char *value;
  int is3state = 0;

  if (!ih->parent)
    return IUP_ERROR;

  value = iupAttribGet(ih, "IMAGE");
  if (value)
    ih->data->type = IUP_TOGGLE_IMAGE;
  else
    ih->data->type = IUP_TOGGLE_TEXT;

  if (radio)
  {
    GtkRadioButton* last_tg = (GtkRadioButton*)iupAttribGet(radio, "_IUPGTK_LASTRADIOBUTTON");
    if (last_tg)
      ih->handle = gtk_radio_button_new_from_widget(last_tg);
    else
      ih->handle = gtk_radio_button_new(NULL);
    iupAttribSet(radio, "_IUPGTK_LASTRADIOBUTTON", (char*)ih->handle);

    /* make sure it has at least one name */
    if (!iupAttribGetHandleName(ih))
      iupAttribSetHandleName(ih);

    ih->data->is_radio = 1;
  }
  else
  {
    if (ih->data->type == IUP_TOGGLE_TEXT)
    {
      ih->handle = gtk_check_button_new();

      if (iupAttribGetBoolean(ih, "3STATE"))
        is3state = 1;
    }
    else
      ih->handle = gtk_toggle_button_new();
  }

  if (!ih->handle)
    return IUP_ERROR;

  if (ih->data->type == IUP_TOGGLE_TEXT)
  {
    gtk_button_set_image((GtkButton*)ih->handle, gtk_label_new(NULL));
    gtk_toggle_button_set_mode((GtkToggleButton*)ih->handle, TRUE);
  }
  else
  {
    gtk_button_set_image((GtkButton*)ih->handle, gtk_image_new());
    gtk_toggle_button_set_mode((GtkToggleButton*)ih->handle, FALSE);
  }

  iupgtkClearSizeStyleCSS(ih->handle);

  /* add to the parent, all GTK controls must call this. */
  iupgtkAddToParent(ih);

  if (!iupAttribGetBoolean(ih, "CANFOCUS"))
    iupgtkSetCanFocus(ih->handle, 0);

  if (ih->data->type == IUP_TOGGLE_IMAGE && ih->data->flat)
  {
    gtk_button_set_relief((GtkButton*)ih->handle, GTK_RELIEF_NONE);

    g_signal_connect(G_OBJECT(ih->handle), "enter-notify-event", G_CALLBACK(gtkToggleEnterLeaveEvent), ih);
    g_signal_connect(G_OBJECT(ih->handle), "leave-notify-event", G_CALLBACK(gtkToggleEnterLeaveEvent), ih);
  }
  else
  {
    g_signal_connect(G_OBJECT(ih->handle), "enter-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
    g_signal_connect(G_OBJECT(ih->handle), "leave-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
  }

  g_signal_connect(G_OBJECT(ih->handle), "focus-in-event",     G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "focus-out-event",    G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "key-press-event",    G_CALLBACK(iupgtkKeyPressEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "show-help",          G_CALLBACK(iupgtkShowHelp), ih);

  g_signal_connect(G_OBJECT(ih->handle), "toggled",            G_CALLBACK(gtkToggleToggled), ih);

  if (ih->data->type == IUP_TOGGLE_IMAGE || is3state)
  {
    g_signal_connect(G_OBJECT(ih->handle), "button-press-event",  G_CALLBACK(gtkToggleButtonEvent), ih);
    g_signal_connect(G_OBJECT(ih->handle), "button-release-event",G_CALLBACK(gtkToggleButtonEvent), ih);
  }

  if (is3state)
  {
    g_signal_connect(G_OBJECT(ih->handle), "key-press-event",  G_CALLBACK(gtkToggleKeyEvent), ih);
    g_signal_connect(G_OBJECT(ih->handle), "key-release-event",  G_CALLBACK(gtkToggleKeyEvent), ih);
  }

  gtk_widget_realize(ih->handle);

  /* update a mnemonic in a label if necessary */
  iupgtkUpdateMnemonic(ih);

  return IUP_NOERROR;
}
예제 #5
0
static int gtkCanvasMapMethod(Ihandle* ih)
{
  GtkScrolledWindow* scrolled_window;
  void* visual;

  if (!ih->parent)
    return IUP_ERROR;

  ih->data->sb = iupBaseGetScrollbar(ih);

  visual = (void*)IupGetAttribute(ih, "VISUAL");   /* defined by the OpenGL Canvas in X11 or NULL */
  if (visual)
    iupgtkPushVisualAndColormap(visual, (void*)iupAttribGet(ih, "COLORMAP"));

  ih->handle = gtk_drawing_area_new();

  if (visual)
    gtk_widget_pop_colormap();

  if (!ih->handle)
      return IUP_ERROR;

#if GTK_CHECK_VERSION(2, 18, 0)
  /* CD will NOT work properly without this, must use always the CD-GDK driver */
  gtk_widget_set_has_window(ih->handle, TRUE);  
#endif

  scrolled_window = (GtkScrolledWindow*)gtk_scrolled_window_new(NULL, NULL);
  if (!scrolled_window)
    return IUP_ERROR;

  {
    /* to avoid the "cannot add non scrollable widget" warning */
#if GTK_CHECK_VERSION(2, 6, 0)
    GLogFunc def_func = g_log_set_default_handler(gtkCanvasDummyLogFunc, NULL);
#endif
    gtk_container_add((GtkContainer*)scrolled_window, ih->handle);
#if GTK_CHECK_VERSION(2, 6, 0)
    g_log_set_default_handler(def_func, NULL);
#endif
  }

  gtk_widget_show((GtkWidget*)scrolled_window);

  iupAttribSetStr(ih, "_IUP_EXTRAPARENT", (char*)scrolled_window);

  /* add to the parent, all GTK controls must call this. */
  iupgtkBaseAddToParent(ih);

  g_signal_connect(G_OBJECT(ih->handle), "focus-in-event",     G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "focus-out-event",    G_CALLBACK(iupgtkFocusInOutEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "key-press-event",    G_CALLBACK(iupgtkKeyPressEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "key-release-event",  G_CALLBACK(iupgtkKeyReleaseEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "enter-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "leave-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "show-help",          G_CALLBACK(iupgtkShowHelp), ih);

  g_signal_connect(G_OBJECT(ih->handle), "expose-event",       G_CALLBACK(gtkCanvasExposeEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "button-press-event", G_CALLBACK(gtkCanvasButtonEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "button-release-event",G_CALLBACK(gtkCanvasButtonEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "motion-notify-event",G_CALLBACK(iupgtkMotionNotifyEvent), ih);
  g_signal_connect(G_OBJECT(ih->handle), "scroll-event",G_CALLBACK(gtkCanvasScrollEvent), ih);

#if GTK_CHECK_VERSION(2, 8, 0)
  g_signal_connect(G_OBJECT(gtk_scrolled_window_get_hscrollbar(scrolled_window)), "change-value",G_CALLBACK(gtkCanvasHChangeValue), ih);
  g_signal_connect(G_OBJECT(gtk_scrolled_window_get_vscrollbar(scrolled_window)), "change-value",G_CALLBACK(gtkCanvasVChangeValue), ih);
#endif

  /* To receive mouse events on a drawing area, you will need to enable them. */
  gtk_widget_add_events(ih->handle, GDK_EXPOSURE_MASK|
    GDK_POINTER_MOTION_MASK|GDK_POINTER_MOTION_HINT_MASK|
    GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK|GDK_BUTTON_MOTION_MASK|
    GDK_KEY_PRESS_MASK|GDK_KEY_RELEASE_MASK|
    GDK_ENTER_NOTIFY_MASK|GDK_LEAVE_NOTIFY_MASK|
    GDK_FOCUS_CHANGE_MASK|GDK_STRUCTURE_MASK);

  /* To receive keyboard events, you will need to set the GTK_CAN_FOCUS flag on the drawing area. */
  if (ih->iclass->is_interactive)
  {
    if (iupAttribGetBoolean(ih, "CANFOCUS"))
      iupgtkSetCanFocus(ih->handle, 1);
  }

  if (iupAttribGetBoolean(ih, "BORDER"))
    gtk_scrolled_window_set_shadow_type(scrolled_window, GTK_SHADOW_IN); 
  else
    gtk_scrolled_window_set_shadow_type(scrolled_window, GTK_SHADOW_NONE);

  gtk_widget_realize((GtkWidget*)scrolled_window);
  gtk_widget_realize(ih->handle);

  /* must be connected after realize or a RESIZE_CB will happen before MAP_CB
    works only for the GtkDrawingArea. */
  g_signal_connect(G_OBJECT(ih->handle), "configure-event", G_CALLBACK(gtkCanvasConfigureEvent), ih);
  iupAttribSetStr(ih, "_IUP_GTK_FIRST_RESIZE", "1");

  /* configure for DRAG&DROP */
  if (IupGetCallback(ih, "DROPFILES_CB"))
    iupAttribSetStr(ih, "DRAGDROP", "YES");

  /* update a mnemonic in a label if necessary */
  iupgtkUpdateMnemonic(ih);

  /* configure scrollbar */
  if (ih->data->sb)
  {
    GtkPolicyType hscrollbar_policy = GTK_POLICY_NEVER, vscrollbar_policy = GTK_POLICY_NEVER;
    if (ih->data->sb & IUP_SB_HORIZ)
      hscrollbar_policy = GTK_POLICY_AUTOMATIC;
    if (ih->data->sb & IUP_SB_VERT)
      vscrollbar_policy = GTK_POLICY_AUTOMATIC;
    gtk_scrolled_window_set_policy(scrolled_window, hscrollbar_policy, vscrollbar_policy);
  }
  else
    gtk_scrolled_window_set_policy(scrolled_window, GTK_POLICY_NEVER, GTK_POLICY_NEVER);

  /* force the update of BGCOLOR here, to let derived classes ignore it if ACTION is defined */
  gtkCanvasSetBgColorAttrib(ih, iupAttribGetStr(ih, "BGCOLOR"));
    
  return IUP_NOERROR;
}