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texmacs  1.0.7.15
Public Member Functions | Public Attributes | Protected Attributes | Events | Private Attributes | Friends
canvas_widget_rep Class Reference
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List of all members.

Public Member Functions

 canvas_widget_rep (wk_widget child, gravity grav, bool rf)
 operator tree ()
void set_extents (SI Ex1, SI Ey1, SI Ex2, SI Ey2)
bool handle_canvas_mouse (mouse_event ev)
void handle_get_size (get_size_event ev)
void handle_get_widget (get_widget_event ev)
void handle_set_widget (set_widget_event ev)
void handle_position (position_event ev)
void handle_repaint (repaint_event ev)
void handle_set_integer (set_integer_event ev)
void handle_set_coord4 (set_coord4_event ev)
void handle_set_string (set_string_event ev)
bool handle (event ev)
virtual void handle_attach_window (attach_window_event ev)
virtual void handle_move (move_event ev)
virtual void handle_resize (resize_event ev)
virtual void handle_destroy (destroy_event ev)
virtual void handle_keypress (keypress_event ev)
virtual void handle_keyboard_focus (keyboard_focus_event ev)
virtual void handle_mouse (mouse_event ev)
virtual void handle_alarm (alarm_event ev)
virtual void handle_clear (clear_event ev)
virtual void handle_update (update_event ev)
virtual void handle_refresh (refresh_event ev)
virtual void handle_invalidate (invalidate_event ev)
virtual void handle_keyboard_grab (keyboard_grab_event ev)
virtual void handle_mouse_grab (mouse_grab_event ev)
virtual void handle_request_alarm (request_alarm_event ev)
virtual void handle_find_child (find_child_event ev)
void send (slot s, blackbox val)
blackbox query (slot s, int type_id)
void notify (slot s, blackbox new_val)
widget read (slot s, blackbox index)
void write (slot s, blackbox index, widget w)
virtual tm_ostreamprint (tm_ostream &out)
virtual bool is_window_widget ()
SI x1 ()
SI y1 ()
SI x2 ()
SI y2 ()
bool attached ()
void wk_error (string message)
virtual void connect (slot s, widget w2, slot s2)
virtual void deconnect (slot s, widget w2, slot s2)

Public Attributes

window win
SI ox
SI oy
SI w
SI h
gravity grav
array< wk_widgeta
array< stringname
int ref_count

Protected Attributes

int ptr_focus
list< widget_connectionin
list< widget_connectionout

Events

emit_position(SI ox, SI oy, SI
w, SI h, gravity grav=north_west)
emit_invalidate(SI x1, SI y1,
SI x2, SI y2) emit_mouse(mouse_event
ev) emit_mouse(mouse_event ev,
string type) emit_mouse(mouse_event
ev, string type, SI x, SI y)
emit_clear(SI x1, SI y1, SI x2,
SI y2) emit_repaint(SI x1, SI
y1, SI x2, SI y2, bool &stop)
emit_find_child(SI x, SI y,
int &which) virtual void 
handle_get_size (get_size_event ev)

Private Attributes

bool request_focus
SI ex1
SI ey1
SI ex2
SI ey2
SI last_w
SI last_h
bool show_scroll_bars
wk_widget hor
bool hor_active
wk_widget ver
bool ver_active

Friends

class wk_widget
class widget

Detailed Description

Definition at line 26 of file canvas_widget.cpp.


Constructor & Destructor Documentation

canvas_widget_rep::canvas_widget_rep ( wk_widget  child,
gravity  grav,
bool  rf 
)

Definition at line 55 of file canvas_widget.cpp.

                                                                           :
  basic_widget_rep (1), request_focus (rf), show_scroll_bars (true)
{
  a[0] = tm_new<scrollable_widget_rep> (child, grav);
  hor  = tm_new<hor_scrollbar_widget_rep> (a[0]);
  ver  = tm_new<ver_scrollbar_widget_rep> (a[0]);
  a[0] << set_hor_bar (NULL); hor_active= false;
  a[0] << set_ver_bar (NULL); ver_active= false;
  ex1= ey1= ex2= ey2= last_w= last_h= 0;
}

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Member Function Documentation

bool wk_widget_rep::attached ( ) [inherited]

Definition at line 108 of file wk_widget.cpp.

                         {
  return win != NULL;
}

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void widget_rep::connect ( slot  s,
widget  w2,
slot  s2 
) [virtual, inherited]

Definition at line 150 of file widget.cpp.

                                               {
  widget_connection con (this, s, w2.rep, s2);
  insert (out, con);
  insert (w2->in, con);
}

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void widget_rep::deconnect ( slot  s,
widget  w2,
slot  s2 
) [virtual, inherited]

Definition at line 157 of file widget.cpp.

                                                 {
  widget_connection con (this, s, w2.rep, s2);
  remove (out, con);
  remove (w2->in, con);
}
bool canvas_widget_rep::handle ( event  ev) [virtual]

Reimplemented from basic_widget_rep.

Definition at line 237 of file canvas_widget.cpp.

                                   {
  switch (ev->type) {
  case GET_SIZE_EVENT:
  case GET_WIDGET_EVENT:
  case SET_WIDGET_EVENT:
  case ATTACH_WINDOW_EVENT:
  case POSITION_EVENT:
  case UPDATE_EVENT:
  case INVALIDATE_EVENT:
    return basic_widget_rep::handle (ev);
  case MOUSE_EVENT: {
    mouse_event e (ev);
    return handle_canvas_mouse (e);
  }
  case REPAINT_EVENT:
  case FIND_CHILD_EVENT:
    return basic_widget_rep::handle (ev);
  case SET_INTEGER_EVENT: {
    set_integer_event e (ev);
    handle_set_integer (e);
    return true;
  }
  case SET_COORD4_EVENT: {
    set_coord4_event e (ev);
    handle_set_coord4 (e);
    return true;
  }
  case SET_STRING_EVENT: {
    set_string_event e (ev);
    handle_set_string (e);
    return true;
  }
  case GET_COORD4_EVENT:
  case SET_COORD2_EVENT:
  case GET_COORD2_EVENT:
    a[0] << ev;
    return true;
  default:
    a[0]->a[0] << ev;
    return true;
  }
}

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void basic_widget_rep::handle_alarm ( alarm_event  ev) [virtual, inherited]

Reimplemented in ver_scrollbar_widget_rep, and hor_scrollbar_widget_rep.

Definition at line 182 of file basic_widget.cpp.

                                              {
  cout << "Alarm: " << ev->message << "\n";
}

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void basic_widget_rep::handle_attach_window ( attach_window_event  ev) [virtual, inherited]

Reimplemented in popup_button_rep, simple_widget_rep, and switch_widget_rep.

Definition at line 122 of file basic_widget.cpp.

                                                              {
  if ((win!=NULL) && (ev->win!=NULL) && (win!=ev->win))
    WK_FAILED ("widget already attached to another window");
  win= ev->win;
  for (int i=0; i<N(a); i++) a[i] << emit_attach_window (win);
}

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bool canvas_widget_rep::handle_canvas_mouse ( mouse_event  ev)

Definition at line 130 of file canvas_widget.cpp.

                                                      {
  if (ev->type == "press-left" && request_focus)
    win->set_keyboard_focus (this);
  return basic_widget_rep::handle (ev);
}

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void basic_widget_rep::handle_clear ( clear_event  ev) [virtual, inherited]

Reimplemented in simple_widget_rep.

Definition at line 187 of file basic_widget.cpp.

                                              {
  renderer ren= win->get_renderer ();
  ren->set_background (white);
  ren->clear (ev->x1, ev->y1, ev->x2, ev->y2);
}

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void basic_widget_rep::handle_destroy ( destroy_event  ev) [virtual, inherited]

Reimplemented in file_chooser_widget_rep, wrapped_widget_rep, texmacs_widget_rep, and inputs_list_widget_rep.

Definition at line 145 of file basic_widget.cpp.

                                                  { (void) ev;
  int i;
  for (i=0; i<N(a); i++)
    a[i] << emit_destroy ();
}

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void basic_widget_rep::handle_find_child ( find_child_event  ev) [virtual, inherited]

Reimplemented in vertical_list_rep, tabs_widget_rep, horizontal_array_rep, horizontal_list_rep, and hsplit_widget_rep.

Definition at line 231 of file basic_widget.cpp.

                                                        {
  int& i= ev->which;
  for (i=0; i<N(a); i++)
    if ((ev->x >= a[i]->x1()-ox) && (ev->x < a[i]->x2()-ox) &&
       (ev->y >= a[i]->y1()-oy) && (ev->y < a[i]->y2()-oy)) return;
  i= -1;
}

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void canvas_widget_rep::handle_get_size ( get_size_event  ev)

Definition at line 137 of file canvas_widget.cpp.

                                                     {
  if (ev->mode==-1) {
    ev->w= 32*PIXEL;
    ev->h= 32*PIXEL;
  }
  if (ev->mode== 1) gui_maximal_extents (ev->w, ev->h);
}

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void canvas_widget_rep::handle_get_widget ( get_widget_event  ev) [virtual]

Reimplemented from basic_widget_rep.

Definition at line 146 of file canvas_widget.cpp.

                                                         {
  if (ev->which == "scrollable") ev->w= a[0]->a[0];
  else basic_widget_rep::handle_get_widget (ev);
}
void basic_widget_rep::handle_invalidate ( invalidate_event  ev) [virtual, inherited]

Definition at line 216 of file basic_widget.cpp.

                                                        {
  if (ev->all_flag) win->invalidate (x1()-ox, y1()-oy, x2()-ox, y2()-oy);
  else win->invalidate (ev->x1, ev->y1, ev->x2, ev->y2);
}

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void basic_widget_rep::handle_keyboard_focus ( keyboard_focus_event  ev) [virtual, inherited]

Reimplemented in input_widget_rep, texmacs_widget_rep, and simple_widget_rep.

Definition at line 159 of file basic_widget.cpp.

{(void) ev;}

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void basic_widget_rep::handle_keyboard_grab ( keyboard_grab_event  ev) [virtual, inherited]

Definition at line 222 of file basic_widget.cpp.

{ (void) ev; }

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void basic_widget_rep::handle_keypress ( keypress_event  ev) [virtual, inherited]

Reimplemented in input_widget_rep, texmacs_widget_rep, and simple_widget_rep.

Definition at line 156 of file basic_widget.cpp.

{ (void) ev; }

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void basic_widget_rep::handle_mouse ( mouse_event  ev) [virtual, inherited]

Reimplemented in command_button_rep, file_list_widget_rep, ver_scrollbar_widget_rep, hor_scrollbar_widget_rep, input_widget_rep, texmacs_widget_rep, popup_button_rep, popup_widget_rep, tabs_widget_rep, choice_widget_rep, hsplit_widget_rep, simple_widget_rep, ink_widget_rep, and toggle_widget_rep.

Definition at line 162 of file basic_widget.cpp.

                                              {
  string type= ev->type;
  SI     x= ev->x, y= ev->y;
  int    focus;

  this << emit_find_child (x, y, focus);
  if (type == "leave") focus=-1;
  if (focus != ptr_focus) {
    if ((ptr_focus >= 0) && (ptr_focus < N(a)))
      a[ptr_focus] << emit_mouse (ev, "leave");
    ptr_focus= focus;
    if ((ptr_focus >= 0) && (ptr_focus < N(a)))
      a[ptr_focus] << emit_mouse (ev, "enter");
    if ((type == "move") || (type == "enter") || (type == "leave")) return;
  }
  if ((ptr_focus >= 0) && (ptr_focus < N(a)))
    a[ptr_focus] << emit_mouse (ev);
}

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void basic_widget_rep::handle_mouse_grab ( mouse_grab_event  ev) [virtual, inherited]

Reimplemented in popup_widget_rep.

Definition at line 225 of file basic_widget.cpp.

{ (void) ev; }

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void basic_widget_rep::handle_move ( move_event  ev) [virtual, inherited]

Definition at line 137 of file basic_widget.cpp.

                                            { (void) ev;
}

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void canvas_widget_rep::handle_position ( position_event  ev) [virtual]

Reimplemented from basic_widget_rep.

Definition at line 158 of file canvas_widget.cpp.

                                                     { (void) ev;
  if ((w != last_w) || (h != last_h)) {
    last_w= w; last_h= h;
    set_extents (ex1, ey1, ex2, ey2);
    if (attached ()) this << emit_invalidate_all ();
  }

  if (!show_scroll_bars)
    a[0] << emit_position (0, 0, w, h);
  else if (hor_active && ver_active) {
    a[0] << emit_position (PIXEL, -PIXEL, w-20*PIXEL, h-20*PIXEL);
    a[1] << emit_position (0, 16*PIXEL-h, w-18*PIXEL, 16*PIXEL);
    a[2] << emit_position (w-16*PIXEL, 0, 16*PIXEL, h-18*PIXEL);
  }
  else if (hor_active && (!ver_active)) {
    a[0] << emit_position (PIXEL, -PIXEL, w-2*PIXEL, h-20*PIXEL);
    a[1] << emit_position (0, 16*PIXEL-h, w, 16*PIXEL);
  }
  else if ((!hor_active) && ver_active) {
    a[0] << emit_position (PIXEL, -PIXEL, w-20*PIXEL, h-2*PIXEL);
    a[1] << emit_position (w-16*PIXEL, 0, 16*PIXEL, h);
  }
  else a[0] << emit_position (PIXEL, -PIXEL, w-2*PIXEL, h-2*PIXEL);
}

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void basic_widget_rep::handle_refresh ( refresh_event  ev) [virtual, inherited]

Reimplemented in refresh_widget_rep.

Definition at line 210 of file basic_widget.cpp.

                                                  { (void) ev;
  for (int i=0; i<N(a); i++)
    a[i] << emit_refresh ();
}

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void canvas_widget_rep::handle_repaint ( repaint_event  ev) [virtual]

Reimplemented from basic_widget_rep.

Definition at line 186 of file canvas_widget.cpp.

                                                   { (void) ev;
  renderer ren= win->get_renderer ();
  if (!show_scroll_bars);
  else if (hor_active && ver_active) {
    layout_default (ren, w- 16*PIXEL, -h, w, -h+ 16*PIXEL);
    layout_default (ren, 0, -h+ 16*PIXEL, w, -h+ 18*PIXEL);
    layout_default (ren, w- 18*PIXEL, -h, w- 16*PIXEL, 0);
    layout_lower (ren, 0, -h+ 18*PIXEL, w- 18*PIXEL, 0);
  }
  else if (hor_active && (!ver_active)) {
    layout_default (ren, 0, -h+ 16*PIXEL, w, -h+ 18*PIXEL);
    layout_dark_outline (ren, 0, -h+ 15*PIXEL, w, 0);
    ren->set_line_style (PIXEL);
    ren->set_color (layout_light (ren));
    ren->line (PIXEL, -h+ 18*PIXEL, w-2*PIXEL, -h+ 18*PIXEL);
  }
  else if ((!hor_active) && ver_active) {
    layout_default (ren, w- 18*PIXEL, -h, w- 16*PIXEL, 0);
    layout_dark_outline (ren, 0, -h, w- 15*PIXEL, 0);
    ren->set_line_style (PIXEL);
    ren->set_color (layout_light (ren));
    ren->line (w- 19*PIXEL, -h+PIXEL, w- 19*PIXEL, -2*PIXEL);
  }
  else layout_dark_outline (ren, 0, -h, w, 0);
}

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void basic_widget_rep::handle_request_alarm ( request_alarm_event  ev) [virtual, inherited]

Definition at line 228 of file basic_widget.cpp.

{ (void) ev; }

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void basic_widget_rep::handle_resize ( resize_event  ev) [virtual, inherited]

Reimplemented in texmacs_widget_rep, and simple_widget_rep.

Definition at line 141 of file basic_widget.cpp.

                                                { (void) ev;
}

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void canvas_widget_rep::handle_set_coord4 ( set_coord4_event  ev)

Definition at line 225 of file canvas_widget.cpp.

                                                         {
  if (ev->which == "extents") set_extents (ev->c1, ev->c2, ev->c3, ev->c4);
  else a[0] << ev;
}

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void canvas_widget_rep::handle_set_integer ( set_integer_event  ev)

Definition at line 213 of file canvas_widget.cpp.

                                                           {
  if (ev->which == "scrollbars") {
    if (((bool) ev->i) != show_scroll_bars) {
      show_scroll_bars= (bool) ev->i;
      set_extents (ex1, ey1, ex2, ey2);
      if (attached ()) this << emit_invalidate_all ();
    }
  }
  else a[0]->a[0] << ev;
}

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void canvas_widget_rep::handle_set_string ( set_string_event  ev)

Definition at line 231 of file canvas_widget.cpp.

                                                         {
  if (ev->which == "background") a[0] << ev;
  else a[0]->a[0] << ev;
}

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void canvas_widget_rep::handle_set_widget ( set_widget_event  ev) [virtual]

Reimplemented from basic_widget_rep.

Definition at line 152 of file canvas_widget.cpp.

                                                         {
  if (ev->which == "scrollable") a[0]->a[0]= ev->w;
  else basic_widget_rep::handle_set_widget (ev);
}
void basic_widget_rep::handle_update ( update_event  ev) [virtual, inherited]

Definition at line 201 of file basic_widget.cpp.

                                                { (void) ev;
  if (attached ()) {
    this << emit_attach_window (win);
    this << emit_reposition ();
    this << emit_invalidate_all ();
  }
}

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bool wk_widget_rep::is_window_widget ( ) [virtual, inherited]

Reimplemented in window_widget_rep.

Definition at line 113 of file wk_widget.cpp.

                                 {
  return false;
}

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void wk_widget_rep::notify ( slot  s,
blackbox  new_val 
) [virtual, inherited]

Reimplemented from widget_rep.

Reimplemented in simple_widget_rep, and simple_widget_rep.

Definition at line 864 of file widkit_wrapper.cpp.

                                               {
  switch (s) {
  case SLOT_SIZE:
    check_type<SI,SI> (new_val, "SLOT_SIZE");
    THIS << emit_resize ();
    if (is_window_widget ())
      send_size (THIS [0], new_val);
    break;
  case SLOT_POSITION:
    check_type<SI,SI> (new_val, "SLOT_POSITION");
    THIS << emit_move ();
    break;
  case SLOT_KEYBOARD_FOCUS:
    notify_keyboard_focus (THIS, new_val);
    break;
  case SLOT_MOUSE_GRAB:
    notify_mouse_grab (THIS, new_val);
    break;
  default:
    break;
  }
  widget_rep::notify (s, new_val);
}

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canvas_widget_rep::operator tree ( ) [virtual]

Implements wk_widget_rep.

Definition at line 66 of file canvas_widget.cpp.

                                  {
  return tree (TUPLE, "canvas", (tree) a[0]);
}
tm_ostream & wk_widget_rep::print ( tm_ostream out) [virtual, inherited]

Reimplemented from widget_rep.

Definition at line 145 of file wk_widget.cpp.

                                     {
  print_tree (out, operator tree (), 0);
  return out;  
}

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blackbox wk_widget_rep::query ( slot  s,
int  type_id 
) [virtual, inherited]

Reimplemented from widget_rep.

Reimplemented in simple_widget_rep, and simple_widget_rep.

Definition at line 792 of file widkit_wrapper.cpp.

                                         {
  switch (s) {
  case SLOT_IDENTIFIER:
    ASSERT (type_id == type_helper<int>::id,
           "int expected (SLOT_IDENTIFIER)");
    return close_box<int> (get_identifier (win));
  case SLOT_RENDERER:
    ASSERT (type_id == type_helper<renderer>::id,
           "renderer expected (SLOT_RENDERER)");
    return close_box<renderer> (win->get_renderer ());
  case SLOT_SIZE:
    return query_size (THIS, type_id);
  case SLOT_POSITION:
    return query_position (THIS, type_id);
  case SLOT_KEYBOARD_FOCUS:
    return query_keyboard_focus (THIS, type_id);
  case SLOT_MOUSE_GRAB:
    return query_mouse_grab (THIS, type_id);

  case SLOT_EXTENTS:
    return query_coord4 (THIS, "extents", type_id);
  case SLOT_VISIBLE_PART:
    return query_coord4 (THIS, "visible", type_id);
  case SLOT_SCROLLBARS_VISIBILITY:
    return query_int (THIS, "scrollbars", type_id);
  case SLOT_SCROLL_POSITION:
    return query_coord2 (THIS, "scroll position", type_id);

  case SLOT_HEADER_VISIBILITY:
    return query_bool (THIS, "header", type_id);
  case SLOT_MAIN_ICONS_VISIBILITY:
    return query_bool (THIS, "main icons", type_id);
  case SLOT_MODE_ICONS_VISIBILITY:
    return query_bool (THIS, "mode icons", type_id);
  case SLOT_FOCUS_ICONS_VISIBILITY:
    return query_bool (THIS, "focus icons", type_id);
  case SLOT_USER_ICONS_VISIBILITY:
    return query_bool (THIS, "user icons", type_id);
  case SLOT_SIDE_TOOLS_VISIBILITY:
    return query_bool (THIS, "side tools", type_id);
  case SLOT_FOOTER_VISIBILITY:
    return query_bool (THIS, "footer flag", type_id);
  case SLOT_INTERACTIVE_MODE:
    return query_bool (THIS, "interactive mode", type_id);
  case SLOT_INTERACTIVE_INPUT:
    return query_string (THIS, "interactive input", type_id);

  case SLOT_STRING_INPUT:
    return query_string (THIS, "input", type_id);
  default:
    FAILED ("cannot handle slot type");
    return blackbox ();
  }
}

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widget wk_widget_rep::read ( slot  s,
blackbox  index 
) [virtual, inherited]

Reimplemented from widget_rep.

Reimplemented in simple_widget_rep, and simple_widget_rep.

Definition at line 893 of file widkit_wrapper.cpp.

                                           {
  switch (s) {
  case SLOT_WINDOW:
    check_type_void (index, "SLOT_WINDOW");
    return win -> get_widget ();
  case SLOT_CANVAS:
    check_type_void (index, "SLOT_CANVAS");
    return abstract (THIS ["canvas"]);
  case SLOT_FORM_FIELD:
    check_type<int> (index, "SLOT_FORM_FIELD");
    return abstract (THIS [0] ["inputs"] [2*open_box<int> (index)] ["input"]);
  case SLOT_FILE:
    check_type_void (index, "SLOT_FILE");
    return abstract (THIS [0] ["file"] ["input"]);
  case SLOT_DIRECTORY:
    check_type_void (index, "SLOT_DIRECTORY");
    return abstract (THIS [0] ["directory"] ["input"]);
  default:
    FAILED ("cannot handle slot type");
    return widget ();
  }
}

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void wk_widget_rep::send ( slot  s,
blackbox  val 
) [virtual, inherited]

Reimplemented from widget_rep.

Reimplemented in simple_widget_rep, and simple_widget_rep.

Definition at line 585 of file widkit_wrapper.cpp.

                                         {
  switch (s) {
  case SLOT_IDENTIFIER:
    check_type<int> (val, "SLOT_IDENTIFIER");
    THIS << emit_attach_window (get_window (open_box<int> (val)));
    break;
  case SLOT_VISIBILITY:
    check_type<bool> (val, "SLOT_VISIBILITY");
    win->set_visibility (open_box<bool> (val));
    break;
  case SLOT_FULL_SCREEN:
    check_type<bool> (val, "SLOT_FULL_SCREEN");
    win->set_full_screen (open_box<bool> (val));
    break;
  case SLOT_NAME:
    send_string (THIS, "window name", val);
    break;
  case SLOT_SIZE:
    send_size (THIS, val);
    break;
  case SLOT_POSITION:
    send_position (THIS, val);
    break;
  case SLOT_UPDATE:
    send_update (THIS, val);
    break;
  case SLOT_REFRESH:
    send_refresh (THIS, val);
    break;
  case SLOT_KEYBOARD:
    send_keyboard (THIS, val);
    break;
  case SLOT_KEYBOARD_FOCUS:
    send_keyboard_focus (THIS, val);
    break;
  case SLOT_MOUSE:
    send_mouse (THIS, val);
    break;
  case SLOT_MOUSE_GRAB:
    send_mouse_grab (THIS, val);
    break;
  case SLOT_MOUSE_POINTER:
    send_mouse_pointer (THIS, val);
    break;
  case SLOT_INVALIDATE:
    send_invalidate (THIS, val);
    break;
  case SLOT_INVALIDATE_ALL:
    send_invalidate_all (THIS, val);
    break;
  case SLOT_REPAINT:
    send_repaint (THIS, val);
    break;
  case SLOT_DELAYED_MESSAGE:
    send_delayed_message (THIS, val);
    break;
  case SLOT_DESTROY:
    send_destroy (THIS, val);
    break;
  case SLOT_CURSOR:
   // send_coord2 (THIS, "cursor", val); 
    // this message is currently ignored. Used only in TeXmacs/Qt
    break;
      
  case SLOT_SHRINKING_FACTOR:
    send_int (THIS, "shrinking factor", val);
    break;
  case SLOT_EXTENTS:
    send_coord4 (THIS, "extents", val);
    break;
  case SLOT_SCROLLBARS_VISIBILITY:
    send_int (THIS, "scrollbars", val);
    break;
  case SLOT_SCROLL_POSITION:
    send_coord2 (THIS, "scroll position", val);
    break;

  case SLOT_HEADER_VISIBILITY:
    send_bool (THIS, "header", val);
    break;
  case SLOT_MAIN_ICONS_VISIBILITY:
    send_bool (THIS, "main icons", val);
    break;
  case SLOT_MODE_ICONS_VISIBILITY:
    send_bool (THIS, "mode icons", val);
    break;
  case SLOT_FOCUS_ICONS_VISIBILITY:
    send_bool (THIS, "focus icons", val);
    break;
  case SLOT_USER_ICONS_VISIBILITY:
    send_bool (THIS, "user icons", val);
    break;
  case SLOT_SIDE_TOOLS_VISIBILITY:
    send_bool (THIS, "side tools", val);
    break;
  case SLOT_FOOTER_VISIBILITY:
    send_bool (THIS, "footer flag", val);
    break;
  case SLOT_LEFT_FOOTER:
    send_string (THIS, "left footer", val);
    break;
  case SLOT_RIGHT_FOOTER:
    send_string (THIS, "right footer", val);
    break;
  case SLOT_INTERACTIVE_MODE:
    send_bool (THIS, "interactive mode", val);
    break;

  case SLOT_STRING_INPUT:
    send_string (THIS, "input", val);
    break;
  case SLOT_INPUT_TYPE:
    send_string (THIS, "type", val);
    break;
  case SLOT_INPUT_PROPOSAL:
    send_string (THIS, "default", val);
    break;
  case SLOT_FILE:
    send_string (THIS, "file", val);
    break;
  case SLOT_DIRECTORY:
    send_string (THIS, "directory", val);
    break;
  default:
    FAILED ("cannot handle slot type");
  }
}

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void canvas_widget_rep::set_extents ( SI  Ex1,
SI  Ey1,
SI  Ex2,
SI  Ey2 
)

Definition at line 71 of file canvas_widget.cpp.

                                                              {
  abs_outer_round (Ex1, Ey1, Ex2, Ey2);
  SI ew= Ex2- Ex1, eh= Ey2- Ey1;
  bool old_hor_active= hor_active, old_ver_active= ver_active;
  if ((ew<=(w-2*PIXEL)) && (eh<=(h-2*PIXEL))) {
    hor_active= false; ver_active= false; }
  else { hor_active= ew > (w-20*PIXEL); ver_active= eh > (h-20*PIXEL); }

  gravity grav= a[0]->grav;
  SI ww= w- (show_scroll_bars? (ver_active? 20*PIXEL: 2*PIXEL): 0);
  SI wh= h- (show_scroll_bars? (hor_active? 20*PIXEL: 2*PIXEL): 0);
  if (Ex2- Ex1 < ww) {
    SI cxr= get_dx (grav, ww);
    SI cxc= Ex1+ get_dx (grav, Ex2- Ex1);
    Ex1= cxc- cxr;
    Ex2= cxc- cxr+ ww;
  }
  if (Ey2- Ey1 < wh) {
    SI cyr= get_dy (grav, wh);
    SI cyc= Ey2+ get_dy (grav, Ey2- Ey1);
    Ey1= cyc- cyr- wh;
    Ey2= cyc- cyr;
  }

  bool bars_changed=
    (old_hor_active != hor_active) || (old_ver_active != ver_active);
  bool visibility_changed=
    ((!show_scroll_bars) && (N(a)>1)) ||
    (show_scroll_bars && (N(a)==1) && (hor_active || ver_active));
  bool extents_changed=
    (Ex1 != ex1) || (Ey1 != ey1) || (Ex2 != ex2) || (Ey2 != ey2);
  ex1= Ex1; ey1= Ey1; ex2= Ex2; ey2= Ey2;

  if (bars_changed || visibility_changed) {
    if (hor_active) a[0] << set_hor_bar (hor);
    else a[0] << set_hor_bar (NULL);
    if (ver_active) a[0] << set_ver_bar (ver);
    else a[0] << set_ver_bar (NULL);
    a->resize(1);
    if (show_scroll_bars && hor_active) a << hor;
    if (show_scroll_bars && ver_active) a << ver;
    if (attached ()) {
      if (hor_active) hor << emit_attach_window (win);
      if (ver_active) ver << emit_attach_window (win);
      this << emit_reposition ();
    }
  }

  if (bars_changed || extents_changed) {
    a[0] << ::set_extents (ex1, ey1, ex2, ey2);
    if (attached ()) this << emit_invalidate_all ();
  }
}

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void wk_widget_rep::wk_error ( string  message) [inherited]

Definition at line 118 of file wk_widget.cpp.

                                       {
  cerr << "\n------------------------------------------------------------------------------\n";
  cerr << wk_widget (this);
  cerr << "------------------------------------------------------------------------------\n";
  cerr << "Error: " << message << "\n";
}
void wk_widget_rep::write ( slot  s,
blackbox  index,
widget  w 
) [virtual, inherited]

Reimplemented from widget_rep.

Reimplemented in simple_widget_rep, and simple_widget_rep.

Definition at line 917 of file widkit_wrapper.cpp.

                                                      {
  switch (s) {
  case SLOT_MAIN_MENU:
    check_type_void (index, "SLOT_MAIN_MENU");
    THIS << set_widget ("menu bar", concrete (w));
    break;
  case SLOT_MAIN_ICONS:
    check_type_void (index, "SLOT_MAIN_ICONS");
    THIS << set_widget ("main icons bar", concrete (w));
    break;
  case SLOT_MODE_ICONS:
    check_type_void (index, "SLOT_MODE_ICONS");
    THIS << set_widget ("mode icons bar", concrete (w));
    break;
  case SLOT_FOCUS_ICONS:
    check_type_void (index, "SLOT_FOCUS_ICONS");
    THIS << set_widget ("focus icons bar", concrete (w));
    break;
  case SLOT_USER_ICONS:
    check_type_void (index, "SLOT_USER_ICONS");
    THIS << set_widget ("user icons bar", concrete (w));
    break;
  case SLOT_SIDE_TOOLS:
    check_type_void (index, "SLOT_SIDE_TOOLS");
    THIS << set_widget ("side tools", concrete (w));
    break;
  case SLOT_SCROLLABLE:
    check_type_void (index, "SLOT_SCROLLABLE");
    THIS << set_widget ("scrollable", concrete (w));
    break;
  case SLOT_INTERACTIVE_PROMPT:
    check_type_void (index, "SLOT_INTERACTIVE_PROMPT");
    THIS << set_widget ("interactive prompt", concrete (w));
    break;
  case SLOT_INTERACTIVE_INPUT:
    check_type_void (index, "SLOT_INTERACTIVE_INPUT");
    THIS << set_widget ("interactive input", concrete (w));
    break;
  default:
    FAILED ("cannot handle slot type");
  }
}

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SI wk_widget_rep::x1 ( ) [inherited]

Definition at line 63 of file wk_widget.cpp.

                   {
  return ox- get_dx (grav, w);
}

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SI wk_widget_rep::x2 ( ) [inherited]

Definition at line 73 of file wk_widget.cpp.

                   {
  return ox- get_dx (grav, w)+ w;
}

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SI wk_widget_rep::y1 ( ) [inherited]

Definition at line 68 of file wk_widget.cpp.

                   {
  return oy- get_dy (grav, h)- h;
}

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SI wk_widget_rep::y2 ( ) [inherited]

Definition at line 78 of file wk_widget.cpp.

                   {
  return oy- get_dy (grav, h);
}

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Friends And Related Function Documentation

friend class widget [friend, inherited]

Definition at line 59 of file widget.hpp.

friend class wk_widget [friend, inherited]

Definition at line 50 of file wk_widget.hpp.


Member Data Documentation

Definition at line 28 of file wk_widget.hpp.

Definition at line 28 of file canvas_widget.cpp.

Definition at line 28 of file canvas_widget.cpp.

Definition at line 28 of file canvas_widget.cpp.

Definition at line 28 of file canvas_widget.cpp.

Definition at line 27 of file wk_widget.hpp.

SI wk_widget_rep::h [inherited]

Definition at line 26 of file wk_widget.hpp.

Definition at line 31 of file canvas_widget.cpp.

Definition at line 31 of file canvas_widget.cpp.

list<widget_connection> widget_rep::in [protected, inherited]

Definition at line 36 of file widget.hpp.

Definition at line 29 of file canvas_widget.cpp.

Definition at line 29 of file canvas_widget.cpp.

Reimplemented in xpm_widget_rep.

Definition at line 29 of file wk_widget.hpp.

list<widget_connection> widget_rep::out [protected, inherited]

Definition at line 37 of file widget.hpp.

SI wk_widget_rep::ox [inherited]

Definition at line 25 of file wk_widget.hpp.

SI wk_widget_rep::oy [inherited]

Definition at line 25 of file wk_widget.hpp.

int basic_widget_rep::ptr_focus [protected, inherited]

Definition at line 19 of file basic_widget.hpp.

int abstract_struct::ref_count [inherited]

Definition at line 142 of file basic.hpp.

Definition at line 27 of file canvas_widget.cpp.

Definition at line 30 of file canvas_widget.cpp.

Definition at line 32 of file canvas_widget.cpp.

Definition at line 32 of file canvas_widget.cpp.

SI wk_widget_rep::w [inherited]

Definition at line 26 of file wk_widget.hpp.

Definition at line 24 of file wk_widget.hpp.


Event Documentation

emit_position( SI ox, SI oy, SI w, SI h, gravity grav= north_west) emit_invalidate( SI x1, SI y1, SI x2, SI y2) emit_mouse( mouse_event ev) emit_mouse( mouse_event ev, string type) emit_mouse( mouse_event ev, string type, SI x, SI y) emit_clear( SI x1, SI y1, SI x2, SI y2) emit_repaint( SI x1, SI y1, SI x2, SI y2, bool& stop) emit_find_child( SI x, SI y, int& which) virtual void basic_widget_rep::handle_get_size(get_size_event ev) [inherited]

Definition at line 36 of file basic_widget.hpp.


The documentation for this class was generated from the following file: