1 // dialog.cxx: implementation of an XML-configurable dialog box.
3 #include <stdlib.h> // atof()
5 #include <Input/input.hxx>
11 #include "AirportList.hxx"
14 ////////////////////////////////////////////////////////////////////////
15 // Implementation of GUIInfo.
16 ////////////////////////////////////////////////////////////////////////
19 * User data for a GUI object.
23 GUIInfo (FGDialog * d);
27 vector <FGBinding *> bindings;
31 GUIInfo::GUIInfo (FGDialog * d)
39 for (unsigned int i = 0; i < bindings.size(); i++) {
49 int fgPopup::checkKey(int key, int updown)
51 if (updown == PU_UP || !isVisible() || !isActive() || window != puGetWindow())
54 puObject *input = getActiveInputField(this);
56 return input->checkKey(key, updown);
58 puObject *object = getKeyObject(this, key);
60 return puPopup::checkKey(key, updown);
62 // invokeCallback() isn't enough; we need to simulate a mouse button press
63 object->checkHit(PU_LEFT_BUTTON, PU_DOWN,
64 (object->getABox()->min[0] + object->getABox()->max[0]) / 2,
65 (object->getABox()->min[1] + object->getABox()->max[1]) / 2);
66 object->checkHit(PU_LEFT_BUTTON, PU_UP,
67 (object->getABox()->min[0] + object->getABox()->max[0]) / 2,
68 (object->getABox()->min[1] + object->getABox()->max[1]) / 2);
72 puObject *fgPopup::getKeyObject(puObject *object, int key)
75 if(object->getType() & PUCLASS_GROUP)
76 for (puObject *obj = ((puGroup *)object)->getFirstChild();
77 obj; obj = obj->getNextObject())
78 if ((ret = getKeyObject(obj, key)))
81 GUIInfo *info = (GUIInfo *)object->getUserData();
82 if (info && info->key == key)
88 puObject *fgPopup::getActiveInputField(puObject *object)
91 if(object->getType() & PUCLASS_GROUP)
92 for (puObject *obj = ((puGroup *)object)->getFirstChild();
93 obj; obj = obj->getNextObject())
94 if ((ret = getActiveInputField(obj)))
97 if (object->getType() & PUCLASS_INPUT && ((puInput *)object)->isAcceptingInput())
106 int fgPopup::checkHit(int button, int updown, int x, int y)
108 int result = puPopup::checkHit(button, updown, x, y);
113 // This is annoying. We would really want a true result from the
114 // superclass to indicate "handled by child object", but all it
115 // tells us is that the pointer is inside the dialog. So do the
116 // intersection test (again) to make sure we don't start a drag
117 // when inside controls.
119 if(updown == PU_DOWN && !_dragging) {
123 int hit = getHitObjects(this, x, y);
124 if(hit & (PUCLASS_BUTTON|PUCLASS_ONESHOT|PUCLASS_INPUT))
128 getPosition(&px, &py);
132 } else if(updown == PU_DRAG && _dragging) {
133 setPosition(x + _dX, y + _dY);
140 int fgPopup::getHitObjects(puObject *object, int x, int y)
143 if(object->getType() & PUCLASS_GROUP)
144 for (puObject *obj = ((puGroup *)object)->getFirstChild();
145 obj; obj = obj->getNextObject())
146 type |= getHitObjects(obj, x, y);
149 object->getAbsolutePosition(&cx, &cy);
150 object->getSize(&cw, &ch);
151 if(x >= cx && x < cx + cw && y >= cy && y < cy + ch)
152 type |= object->getType();
158 ////////////////////////////////////////////////////////////////////////
160 ////////////////////////////////////////////////////////////////////////
166 action_callback (puObject * object)
168 GUIInfo * info = (GUIInfo *)object->getUserData();
169 NewGUI * gui = (NewGUI *)globals->get_subsystem("gui");
170 gui->setActiveDialog(info->dialog);
171 int nBindings = info->bindings.size();
172 for (int i = 0; i < nBindings; i++) {
173 info->bindings[i]->fire();
174 if (gui->getActiveDialog() == 0)
177 gui->setActiveDialog(0);
182 format_callback(puObject *obj, int dx, int dy, void *n)
184 SGPropertyNode *node = (SGPropertyNode *)n;
185 const char *format = node->getStringValue("format"), *f = format;
186 bool number, l = false;
187 // make sure the format matches '[ -+#]?\d*(\.\d*)?l?[fs]'
198 if (*f == ' ' || *f == '+' || *f == '-' || *f == '#')
200 while (*f && isdigit(*f))
204 while (*f && isdigit(*f))
212 else if (*f == 's') {
229 const char *src = obj->getLabel();
232 float value = atof(src);
233 snprintf(buf, 256, format, value);
235 snprintf(buf, 256, format, src);
240 SGPropertyNode *result = node->getNode("formatted", true);
241 result->setStringValue(buf);
242 obj->setLabel(result->getStringValue());
247 ////////////////////////////////////////////////////////////////////////
248 // Static helper functions.
249 ////////////////////////////////////////////////////////////////////////
252 * Copy a property value to a PUI object.
255 copy_to_pui (SGPropertyNode * node, puObject * object)
257 // Treat puText objects specially, so their "values" can be set
259 if(object->getType() & PUCLASS_TEXT) {
260 object->setLabel(node->getStringValue());
264 switch (node->getType()) {
265 case SGPropertyNode::BOOL:
266 case SGPropertyNode::INT:
267 case SGPropertyNode::LONG:
268 object->setValue(node->getIntValue());
270 case SGPropertyNode::FLOAT:
271 case SGPropertyNode::DOUBLE:
272 object->setValue(node->getFloatValue());
275 object->setValue(node->getStringValue());
282 copy_from_pui (puObject * object, SGPropertyNode * node)
284 // puText objects are immutable, so should not be copied out
285 if(object->getType() & PUCLASS_TEXT)
288 switch (node->getType()) {
289 case SGPropertyNode::BOOL:
290 case SGPropertyNode::INT:
291 case SGPropertyNode::LONG:
292 node->setIntValue(object->getIntegerValue());
294 case SGPropertyNode::FLOAT:
295 case SGPropertyNode::DOUBLE:
296 node->setFloatValue(object->getFloatValue());
299 // Special case to handle lists, as getStringValue cannot be overridden
300 if(object->getType() & PUCLASS_LIST)
302 node->setStringValue(((puList *) object)->getListStringValue());
306 node->setStringValue(object->getStringValue());
314 ////////////////////////////////////////////////////////////////////////
315 // Implementation of FGDialog.
316 ////////////////////////////////////////////////////////////////////////
318 FGDialog::FGDialog (SGPropertyNode * props)
320 _gui((NewGUI *)globals->get_subsystem("gui"))
322 char* envp = ::getenv( "FG_FONTS" );
323 if ( envp != NULL ) {
324 _font_path.set( envp );
326 _font_path.set( globals->get_fg_root() );
327 _font_path.append( "Fonts" );
333 FGDialog::~FGDialog ()
335 puDeleteObject(_object);
339 // Delete all the arrays we made
340 // and were forced to keep around
341 // because PUI won't do its own
342 // memory management.
343 for (i = 0; i < _char_arrays.size(); i++) {
344 for (int j = 0; _char_arrays[i][j] != 0; j++)
345 free(_char_arrays[i][j]); // added with strdup
346 delete[] _char_arrays[i];
349 // Delete all the info objects we
350 // were forced to keep around because
351 // PUI cannot delete its own user data.
352 for (i = 0; i < _info.size(); i++) {
353 delete (GUIInfo *)_info[i];
357 // Finally, delete the property links.
358 for (i = 0; i < _propertyObjects.size(); i++) {
359 delete _propertyObjects[i];
360 _propertyObjects[i] = 0;
365 FGDialog::updateValue (const char * objectName)
367 for (unsigned int i = 0; i < _propertyObjects.size(); i++) {
368 const string &name = _propertyObjects[i]->name;
369 if (name == objectName)
370 copy_to_pui(_propertyObjects[i]->node,
371 _propertyObjects[i]->object);
376 FGDialog::applyValue (const char * objectName)
378 for (unsigned int i = 0; i < _propertyObjects.size(); i++) {
379 if (_propertyObjects[i]->name == objectName)
380 copy_from_pui(_propertyObjects[i]->object,
381 _propertyObjects[i]->node);
386 FGDialog::updateValues ()
388 for (unsigned int i = 0; i < _propertyObjects.size(); i++)
389 copy_to_pui(_propertyObjects[i]->node, _propertyObjects[i]->object);
393 FGDialog::applyValues ()
395 for (unsigned int i = 0; i < _propertyObjects.size(); i++)
396 copy_from_pui(_propertyObjects[i]->object,
397 _propertyObjects[i]->node);
403 for (unsigned int i = 0; i < _liveObjects.size(); i++) {
404 puObject *obj = _liveObjects[i]->object;
405 if (obj->getType() & PUCLASS_INPUT && ((puInput *)obj)->isAcceptingInput())
408 copy_to_pui(_liveObjects[i]->node, obj);
413 FGDialog::display (SGPropertyNode * props)
416 SG_LOG(SG_GENERAL, SG_ALERT, "This widget is already active");
420 int screenw = globals->get_props()->getIntValue("/sim/startup/xsize");
421 int screenh = globals->get_props()->getIntValue("/sim/startup/ysize");
423 bool userx = props->hasValue("x");
424 bool usery = props->hasValue("y");
425 bool userw = props->hasValue("width");
426 bool userh = props->hasValue("height");
428 // Let the layout widget work in the same property subtree.
429 LayoutWidget wid(props);
431 puFont *fnt = _gui->getDefaultFont();
432 wid.setDefaultFont(fnt, int(fnt->getPointSize()));
435 int px, py, savex, savey;
437 wid.calcPrefSize(&pw, &ph);
438 pw = props->getIntValue("width", pw);
439 ph = props->getIntValue("height", ph);
440 px = savex = props->getIntValue("x", (screenw - pw) / 2);
441 py = savey = props->getIntValue("y", (screenh - ph) / 2);
443 // Negative x/y coordinates are interpreted as distance from the top/right
444 // corner rather than bottom/left.
446 px = screenw - pw + px;
448 py = screenh - ph + py;
450 // Define "x", "y", "width" and/or "height" in the property tree if they
451 // are not specified in the configuration file.
452 wid.layout(px, py, pw, ph);
454 // Use the dimension and location properties as specified in the
455 // configuration file or from the layout widget.
456 _object = makeObject(props, screenw, screenh);
458 // Remove automatically generated properties, so the layout looks
459 // the same next time around, or restore x and y to preserve negative coords.
461 props->setIntValue("x", savex);
463 props->removeChild("x");
466 props->setIntValue("y", savey);
468 props->removeChild("y");
470 if(!userw) props->removeChild("width");
471 if(!userh) props->removeChild("height");
476 SG_LOG(SG_GENERAL, SG_ALERT, "Widget "
477 << props->getStringValue("name", "[unnamed]")
478 << " does not contain a proper GUI definition");
483 FGDialog::makeObject (SGPropertyNode * props, int parentWidth, int parentHeight)
485 if (props->getBoolValue("hide"))
488 bool presetSize = props->hasValue("width") && props->hasValue("height");
489 int width = props->getIntValue("width", parentWidth);
490 int height = props->getIntValue("height", parentHeight);
491 int x = props->getIntValue("x", (parentWidth - width) / 2);
492 int y = props->getIntValue("y", (parentHeight - height) / 2);
493 string type = props->getName();
498 if (type == "dialog") {
500 bool draggable = props->getBoolValue("draggable", true);
501 if (props->getBoolValue("modal", false))
502 obj = new puDialogBox(x, y);
504 obj = new fgPopup(x, y, draggable);
505 setupGroup(obj, props, width, height, true);
506 setColor(obj, props);
509 } else if (type == "group") {
510 puGroup * obj = new puGroup(x, y);
511 setupGroup(obj, props, width, height, false);
512 setColor(obj, props);
515 } else if (type == "frame") {
516 puGroup * obj = new puGroup(x, y);
517 setupGroup(obj, props, width, height, true);
518 setColor(obj, props);
521 } else if (type == "hrule" || type == "vrule") {
522 puFrame * obj = new puFrame(x, y, x + width, y + height);
523 obj->setBorderThickness(0);
524 setColor(obj, props, BACKGROUND|FOREGROUND|HIGHLIGHT);
527 } else if (type == "list") {
528 puList * obj = new puList(x, y, x + width, y + height);
529 setupObject(obj, props);
530 setColor(obj, props);
533 } else if (type == "airport-list") {
534 AirportList * obj = new AirportList(x, y, x + width, y + height);
535 setupObject(obj, props);
536 setColor(obj, props);
539 } else if (type == "input") {
540 puInput * obj = new puInput(x, y, x + width, y + height);
541 setupObject(obj, props);
542 setColor(obj, props, FOREGROUND|LABEL);
545 } else if (type == "text") {
546 puText * obj = new puText(x, y);
547 setupObject(obj, props);
549 if (props->getNode("format")) {
550 SGPropertyNode *live = props->getNode("live");
551 if (live && live->getBoolValue())
552 obj->setRenderCallback(format_callback, props);
554 format_callback(obj, x, y, props);
556 // Layed-out objects need their size set, and non-layout ones
557 // get a different placement.
558 if(presetSize) obj->setSize(width, height);
559 else obj->setLabelPlace(PUPLACE_LABEL_DEFAULT);
560 setColor(obj, props, LABEL);
563 } else if (type == "checkbox") {
565 obj = new puButton(x, y, x + width, y + height, PUBUTTON_XCHECK);
566 setupObject(obj, props);
567 setColor(obj, props, FOREGROUND|LABEL);
570 } else if (type == "radio") {
572 obj = new puButton(x, y, x + width, y + height, PUBUTTON_CIRCLE);
573 setupObject(obj, props);
574 setColor(obj, props, FOREGROUND|LABEL);
577 } else if (type == "button") {
579 const char * legend = props->getStringValue("legend", "[none]");
580 if (props->getBoolValue("one-shot", true))
581 obj = new puOneShot(x, y, legend);
583 obj = new puButton(x, y, legend);
585 obj->setSize(width, height);
586 setupObject(obj, props);
587 setColor(obj, props);
590 } else if (type == "combo") {
591 vector<SGPropertyNode_ptr> value_nodes = props->getChildren("value");
592 char ** entries = make_char_array(value_nodes.size());
593 for (unsigned int i = 0, j = value_nodes.size() - 1;
594 i < value_nodes.size();
596 entries[i] = strdup((char *)value_nodes[i]->getStringValue());
597 puComboBox * obj = new puComboBox(x, y, x + width, y + height, entries,
598 props->getBoolValue("editable", false));
599 setupObject(obj, props);
600 #ifdef PUCOL_EDITFIELD // plib > 0.8.4
601 setColor(obj, props, EDITFIELD);
603 setColor(obj, props, FOREGROUND|LABEL);
607 } else if (type == "slider") {
608 bool vertical = props->getBoolValue("vertical", false);
609 puSlider * obj = new puSlider(x, y, (vertical ? height : width));
610 obj->setMinValue(props->getFloatValue("min", 0.0));
611 obj->setMaxValue(props->getFloatValue("max", 1.0));
612 setupObject(obj, props);
614 obj->setSize(width, height);
615 setColor(obj, props, FOREGROUND|LABEL);
618 } else if (type == "dial") {
619 puDial * obj = new puDial(x, y, width);
620 obj->setMinValue(props->getFloatValue("min", 0.0));
621 obj->setMaxValue(props->getFloatValue("max", 1.0));
622 obj->setWrap(props->getBoolValue("wrap", true));
623 setupObject(obj, props);
624 setColor(obj, props, FOREGROUND|LABEL);
627 } else if (type == "textbox") {
628 int slider_width = props->getIntValue("slider", parentHeight);
629 int wrap = props->getBoolValue("wrap", true);
630 if (slider_width==0) slider_width=20;
631 puLargeInput * obj = new puLargeInput(x, y,
632 x+width, x+height, 2, slider_width, wrap);
634 if (props->hasValue("editable")) {
635 if (props->getBoolValue("editable")==false)
640 setupObject(obj, props);
641 setColor(obj, props, FOREGROUND|LABEL);
644 } else if (type == "select") {
645 vector<SGPropertyNode_ptr> value_nodes;
646 SGPropertyNode * selection_node =
647 fgGetNode(props->getChild("selection")->getStringValue(), true);
649 for (int q = 0; q < selection_node->nChildren(); q++)
650 value_nodes.push_back(selection_node->getChild(q));
652 char ** entries = make_char_array(value_nodes.size());
653 for (unsigned int i = 0, j = value_nodes.size() - 1;
654 i < value_nodes.size();
656 entries[i] = strdup((char *)value_nodes[i]->getName());
658 new puSelectBox(x, y, x + width, y + height, entries);
659 setupObject(obj, props);
660 #ifdef PUCOL_EDITFIELD // plib > 0.8.4
661 setColor(obj, props, EDITFIELD);
663 setColor(obj, props, FOREGROUND|LABEL);
672 FGDialog::setupObject (puObject * object, SGPropertyNode * props)
674 object->setLabelPlace(PUPLACE_CENTERED_RIGHT);
676 if (props->hasValue("legend"))
677 object->setLegend(props->getStringValue("legend"));
679 if (props->hasValue("label"))
680 object->setLabel(props->getStringValue("label"));
682 if (props->hasValue("border"))
683 object->setBorderThickness( props->getIntValue("border", 2) );
685 if ( SGPropertyNode *nft = props->getNode("font", false) ) {
686 SGPath path( _font_path );
687 const char *name = nft->getStringValue("name", "default");
688 float size = nft->getFloatValue("size", 13.0);
689 float slant = nft->getFloatValue("slant", 0.0);
691 path.concat( ".txf" );
693 fntFont *font = new fntTexFont;
694 font->load( (char *)path.c_str() );
696 puFont lfnt(font, size, slant);
697 object->setLabelFont( lfnt );
700 if (props->hasValue("property")) {
701 const char * name = props->getStringValue("name");
704 const char * propname = props->getStringValue("property");
705 SGPropertyNode_ptr node = fgGetNode(propname, true);
706 copy_to_pui(node, object);
707 PropertyObject* po = new PropertyObject(name, object, node);
708 _propertyObjects.push_back(po);
709 if(props->getBoolValue("live"))
710 _liveObjects.push_back(po);
713 SGPropertyNode * dest = fgGetNode("/sim/bindings/gui", true);
714 vector<SGPropertyNode_ptr> bindings = props->getChildren("binding");
715 if (bindings.size() > 0) {
716 GUIInfo * info = new GUIInfo(this);
717 info->key = props->getIntValue("keynum", -1);
718 if (props->hasValue("key"))
719 info->key = getKeyCode(props->getStringValue("key", ""));
721 for (unsigned int i = 0; i < bindings.size(); i++) {
723 SGPropertyNode *binding;
724 while (dest->getChild("binding", j))
727 binding = dest->getChild("binding", j, true);
728 copyProperties(bindings[i], binding);
729 info->bindings.push_back(new FGBinding(binding));
731 object->setCallback(action_callback);
732 object->setUserData(info);
733 _info.push_back(info);
736 object->makeReturnDefault(props->getBoolValue("default"));
740 FGDialog::setupGroup (puGroup * group, SGPropertyNode * props,
741 int width, int height, bool makeFrame)
743 setupObject(group, props);
746 puFrame* f = new puFrame(0, 0, width, height);
750 int nChildren = props->nChildren();
751 for (int i = 0; i < nChildren; i++)
752 makeObject(props->getChild(i), width, height);
757 FGDialog::setColor(puObject * object, SGPropertyNode * props, int which)
759 string type = props->getName();
763 FGColor *c = new FGColor(_gui->getColor("background"));
764 c->merge(_gui->getColor(type));
765 c->merge(props->getNode("color"));
767 object->setColourScheme(c->red(), c->green(), c->blue(), c->alpha());
775 { BACKGROUND, PUCOL_BACKGROUND, "background", "color-background" },
776 { FOREGROUND, PUCOL_FOREGROUND, "foreground", "color-foreground" },
777 { HIGHLIGHT, PUCOL_HIGHLIGHT, "highlight", "color-highlight" },
778 { LABEL, PUCOL_LABEL, "label", "color-label" },
779 { LEGEND, PUCOL_LEGEND, "legend", "color-legend" },
780 { MISC, PUCOL_MISC, "misc", "color-misc" },
781 #ifdef PUCOL_EDITFIELD // plib > 0.8.4
782 { EDITFIELD, PUCOL_EDITFIELD, "editfield", "color-editfield" },
786 const int numcol = sizeof(pucol) / sizeof(pucol[0]);
788 for (int i = 0; i < numcol; i++) {
793 dirty |= c->merge(_gui->getColor(type + '-' + pucol[i].name));
794 if (which & pucol[i].mask)
795 dirty |= c->merge(props->getNode("color"));
797 if ((pucol[i].mask == LABEL) && !c->isValid())
798 dirty |= c->merge(_gui->getColor("label"));
800 if (c->isValid() && dirty)
801 object->setColor(pucol[i].id, c->red(), c->green(), c->blue(), c->alpha());
832 {"left", PU_KEY_LEFT},
834 {"right", PU_KEY_RIGHT},
835 {"down", PU_KEY_DOWN},
836 {"pageup", PU_KEY_PAGE_UP},
837 {"pagedn", PU_KEY_PAGE_DOWN},
838 {"home", PU_KEY_HOME},
840 {"insert", PU_KEY_INSERT},
845 FGDialog::getKeyCode(const char *str)
856 char *buf = new char[strlen(str) + 1];
858 char *s = buf + strlen(buf);
859 while (s > str && s[-1] == ' ')
866 if (!strncmp(s, "Ctrl-", 5) || !strncmp(s, "CTRL-", 5))
868 else if (!strncmp(s, "Shift-", 6) || !strncmp(s, "SHIFT-", 6))
869 s += 6, mod |= SHIFT;
870 else if (!strncmp(s, "Alt-", 4) || !strncmp(s, "ALT-", 4))
877 if (strlen(s) == 1 && isascii(*s)) {
882 key = toupper(key) - 64;
884 ; // Alt not propagated to the gui
886 for (char *t = s; *t; t++)
888 for (int i = 0; keymap[i].name; i++) {
889 if (!strcmp(s, keymap[i].name)) {
900 FGDialog::make_char_array (int size)
902 char ** list = new char*[size+1];
903 for (int i = 0; i <= size; i++)
905 _char_arrays.push_back(list);
911 ////////////////////////////////////////////////////////////////////////
912 // Implementation of FGDialog::PropertyObject.
913 ////////////////////////////////////////////////////////////////////////
915 FGDialog::PropertyObject::PropertyObject (const char * n,
917 SGPropertyNode_ptr p)