src/frontends/xforms/XFormsToolbar.C

   1 /**
   2  * \file XFormsToolbar.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Jean-Marc Lasgouttes
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 //  Added pseudo-action handling, asierra 180296
  13
  14 #include <config.h>
  15
  16
  17 #include "XFormsToolbar.h"
  18 #include "debug.h"
  19 #include "XFormsView.h"
  20 #include "lyxfunc.h"
  21 #include "FuncStatus.h"
  22 #include "buffer.h"
  23 #include "funcrequest.h"
  24 #include "gettext.h"
  25 #include "Tooltips.h"
  26 #include "lyx_forms.h"
  27 #include "combox.h"
  28 #include "xforms_helpers.h"
  29
  30 #include "LyXAction.h"
  31
  32 #include "support/LAssert.h"
  33 #include "support/filetools.h"
  34 #include "support/lstrings.h"
  35
  36 using std::endl;
  37
  38 // some constants
  39 const int standardspacing = 2; // the usual space between items
  40 const int sepspace = 6; // extra space
  41 const int buttonwidth = 30; // the standard button width
  42 const int height = 30; // the height of all items in the toolbar
  43
  44 XFormsToolbar::toolbarItem::toolbarItem()
  45         : action(LFUN_NOACTION), icon(0)
  46 {}
  47
  48
  49 XFormsToolbar::toolbarItem::~toolbarItem()
  50 {
  51         // Lars said here that ~XFormsView() dealt with the icons.
  52         // This is not true. But enabling this causes crashes,
  53         // because somehow we kill the same icon twice :(
  54         // FIXME
  55         //kill_icon();
  56 }
  57
  58
  59 /// Display toolbar, not implemented. But moved out of line so that
  60 /// linking will work properly.
  61 void XFormsToolbar::displayToolbar(ToolbarBackend::Toolbar const & /*tb*/,
  62                                     bool /*show*/)
  63 {}
  64
  65
  66 void XFormsToolbar::toolbarItem::kill_icon()
  67 {
  68         if (icon) {
  69                 fl_delete_object(icon);
  70                 fl_free_object(icon);
  71                 icon = 0;
  72         }
  73 }
  74
  75
  76 XFormsToolbar::toolbarItem &
  77 XFormsToolbar::toolbarItem::operator=(toolbarItem const & ti)
  78 {
  79         if (this == &ti)
  80                 return *this;
  81
  82         // If we already have an icon, release it.
  83         // But we don't copy the icon from ti
  84         kill_icon();
  85
  86         action = ti.action;
  87
  88         return *this;
  89 }
  90
  91
  92
  93 XFormsToolbar::XFormsToolbar(LyXView * o, int x, int y)
  94         : owner_(static_cast<XFormsView *>(o)), combox_(0), xpos(x), ypos(y)
  95 {
  96         tooltip_ = new Tooltips();
  97 }
  98
  99
 100 XFormsToolbar::~XFormsToolbar()
 101 {
 102         fl_freeze_form(owner_->getForm());
 103
 104         // G++ vector does not have clear defined
 105         //toollist.clear();
 106         toollist_.erase(toollist_.begin(), toollist_.end());
 107
 108         fl_unfreeze_form(owner_->getForm());
 109         delete tooltip_;
 110 }
 111
 112
 113 void XFormsToolbar::update()
 114 {
 115         ToolbarList::const_iterator p = toollist_.begin();
 116         ToolbarList::const_iterator end = toollist_.end();
 117         for (; p != end; ++p) {
 118                 if (p->action == ToolbarBackend::LAYOUTS && combox_) {
 119                         LyXFunc const & lf = owner_->getLyXFunc();
 120                         bool const disable =
 121                                 lf.getStatus(LFUN_LAYOUT).disabled();
 122                         setEnabled(combox_, !disable);
 123                         continue;
 124                 }
 125
 126                 if (!p->icon)
 127                         continue;
 128
 129                 FuncStatus const status = owner_->getLyXFunc().getStatus(p->action);
 130                 if (status.onoff(true)) {
 131                         // I'd like to use a different color
 132                         // here, but then the problem is to
 133                         // know how to use transparency with
 134                         // Xpm library. It seems pretty
 135                         // complicated to me (JMarc)
 136                         fl_set_object_color(p->icon, FL_LEFT_BCOL, FL_BLUE);
 137                         fl_set_object_boxtype(p->icon, FL_DOWN_BOX);
 138                 } else {
 139                         fl_set_object_color(p->icon, FL_MCOL, FL_BLUE);
 140                         fl_set_object_boxtype(p->icon, FL_UP_BOX);
 141                 }
 142                 if (status.disabled()) {
 143                         // Is there a way here to specify a
 144                         // mask in order to show that the
 145                         // button is disabled? (JMarc)
 146                         fl_deactivate_object(p->icon);
 147                 }
 148                 else
 149                         fl_activate_object(p->icon);
 150         }
 151 }
 152
 153
 154 namespace {
 155
 156 void C_layoutSelectedCB(FL_OBJECT * ob, long)
 157 {
 158         if (!ob || !ob->u_vdata)
 159                 return;
 160         XFormsToolbar * ptr = static_cast<XFormsToolbar *>(ob->u_vdata);
 161         ptr->layoutSelected();
 162 }
 163
 164 } // namespace anon
 165
 166
 167 void XFormsToolbar::layoutSelected()
 168 {
 169         if (!combox_)
 170                 return;
 171
 172         string const & layoutguiname = getString(combox_);
 173         LyXTextClass const & tc =
 174                 owner_->buffer()->params.getLyXTextClass();
 175
 176         LyXTextClass::const_iterator end = tc.end();
 177         for (LyXTextClass::const_iterator cit = tc.begin();
 178              cit != end; ++cit) {
 179                 if (_((*cit)->name()) == layoutguiname) {
 180                         owner_->getLyXFunc().dispatch(FuncRequest(LFUN_LAYOUT, (*cit)->name()), true);
 181                         return;
 182                 }
 183         }
 184         lyxerr << "ERROR (XFormsToolbar::layoutSelected): layout not found!"
 185                << endl;
 186 }
 187
 188
 189 void XFormsToolbar::setLayout(string const & layout)
 190 {
 191         if (!combox_)
 192                 return;
 193
 194         LyXTextClass const & tc = owner_->buffer()->params.getLyXTextClass();
 195         string const layoutname = _(tc[layout]->name());
 196
 197         int const nnames = fl_get_combox_maxitems(combox_);
 198         for (int i = 1; i <= nnames; ++i) {
 199                 string const name = fl_get_combox_line(combox_, i);
 200                 if (name == layoutname) {
 201                         fl_set_combox(combox_, i);
 202                         break;
 203                 }
 204         }
 205 }
 206
 207
 208 void XFormsToolbar::updateLayoutList()
 209 {
 210         if (!combox_)
 211                 return;
 212
 213         fl_clear_combox(combox_);
 214         LyXTextClass const & tc = owner_->buffer()->params.getLyXTextClass();
 215         LyXTextClass::const_iterator end = tc.end();
 216         for (LyXTextClass::const_iterator cit = tc.begin();
 217              cit != end; ++cit) {
 218                 // ignore obsolete entries
 219                 if ((*cit)->obsoleted_by().empty()) {
 220                         string const & name = _((*cit)->name());
 221                         fl_addto_combox(combox_, name.c_str());
 222                 }
 223         }
 224
 225         // we need to do this.
 226         fl_redraw_object(combox_);
 227 }
 228
 229
 230 void XFormsToolbar::clearLayoutList()
 231 {
 232         if (!combox_)
 233                 return;
 234
 235         Toolbar::clearLayoutList();
 236         fl_clear_combox(combox_);
 237         fl_redraw_object(combox_);
 238 }
 239
 240
 241 void XFormsToolbar::openLayoutList()
 242 {
 243         if (!combox_)
 244                 return;
 245
 246         fl_show_combox_browser(combox_);
 247 }
 248
 249
 250 namespace {
 251
 252 void ToolbarCB(FL_OBJECT * ob, long ac)
 253 {
 254         XFormsView * owner = static_cast<XFormsView *>(ob->u_vdata);
 255
 256         owner->getLyXFunc().dispatch(int(ac), true);
 257 }
 258
 259
 260 extern "C" {
 261
 262 void C_Toolbar_ToolbarCB(FL_OBJECT * ob, long data)
 263 {
 264         ToolbarCB(ob, data);
 265 }
 266
 267 }
 268
 269 } // namespace anon
 270
 271
 272 void XFormsToolbar::add(ToolbarBackend::Toolbar const & tb)
 273 {
 274         // we can only handle one toolbar
 275         if (!toollist_.empty())
 276                 return;
 277
 278         ToolbarBackend::item_iterator it = tb.items.begin();
 279         ToolbarBackend::item_iterator end = tb.items.end();
 280         for (; it != end; ++it)
 281                 add(it->first, it->second);
 282 }
 283
 284
 285 void XFormsToolbar::add(int action, string const & tooltip)
 286 {
 287         toolbarItem item;
 288         item.action = action;
 289
 290         switch (action) {
 291         case ToolbarBackend::SEPARATOR:
 292                 xpos += sepspace;
 293                 break;
 294         case ToolbarBackend::MINIBUFFER:
 295                 // Not implemented
 296                 break;
 297         case ToolbarBackend::LAYOUTS:
 298                 xpos += standardspacing;
 299                 if (combox_)
 300                         break;
 301
 302                 combox_ = fl_add_combox(FL_DROPLIST_COMBOX,
 303                                         xpos, ypos, 135, height, "");
 304                 fl_set_combox_browser_height(combox_, 400);
 305                 fl_set_object_boxtype(combox_, FL_DOWN_BOX);
 306                 fl_set_object_color(combox_, FL_MCOL, FL_MCOL);
 307                 fl_set_object_gravity(combox_, FL_NorthWest, FL_NorthWest);
 308                 fl_set_object_resize(combox_, FL_RESIZE_ALL);
 309
 310                 combox_->u_vdata = this;
 311                 fl_set_object_callback(combox_, C_layoutSelectedCB, 0);
 312                 xpos += 135;
 313                 break;
 314         default: {
 315                 FL_OBJECT * obj;
 316
 317                 xpos += standardspacing;
 318                 item.icon = obj =
 319                         fl_add_pixmapbutton(FL_NORMAL_BUTTON,
 320                                             xpos, ypos,
 321                                             buttonwidth,
 322                                             height, "");
 323                 fl_set_object_resize(obj, FL_RESIZE_ALL);
 324                 fl_set_object_gravity(obj,
 325                                       NorthWestGravity,
 326                                       NorthWestGravity);
 327                 fl_set_object_callback(obj, C_Toolbar_ToolbarCB,
 328                                        static_cast<long>(action));
 329                 // Remove the blue feedback rectangle
 330                 fl_set_pixmapbutton_focus_outline(obj, 0);
 331
 332                 tooltip_->init(obj, tooltip);
 333
 334                 // The view that this object belongs to.
 335                 obj->u_vdata = owner_;
 336
 337                 string const xpm = toolbarbackend.getIcon(action);
 338                 fl_set_pixmapbutton_file(obj, xpm.c_str());
 339
 340                 // we must remember to update the positions
 341                 xpos += buttonwidth;
 342                 // ypos is constant
 343                 /* Here will come a check to see if the new
 344                  * pos is within the bounds of the main frame,
 345                  * and perhaps wrap the toolbar if not.
 346                  */
 347                 break;
 348         }
 349         }
 350
 351         toollist_.push_back(item);
 352 }