652 lines
19 KiB
C++
652 lines
19 KiB
C++
// dialog.cxx: implementation of an XML-configurable dialog box.
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#include <stdlib.h> // atof()
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#include <Input/input.hxx>
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#include "dialog.hxx"
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#include "new_gui.hxx"
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#include "puList.hxx"
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#include "AirportList.hxx"
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#include "layout.hxx"
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int fgPopup::checkHit(int button, int updown, int x, int y)
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{
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int result = puPopup::checkHit(button, updown, x, y);
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if ( !_draggable)
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return result;
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// This is annoying. We would really want a true result from the
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// superclass to indicate "handled by child object", but all it
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// tells us is that the pointer is inside the dialog. So do the
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// intersection test (again) to make sure we don't start a drag
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// when inside controls.
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if(updown == PU_DOWN && !_dragging) {
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if(!result)
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return 0;
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int hit = getHitObjects(this, x, y);
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if(hit & (PUCLASS_BUTTON|PUCLASS_ONESHOT|PUCLASS_INPUT))
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return result;
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int px, py;
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getPosition(&px, &py);
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_dragging = true;
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_dX = px - x;
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_dY = py - y;
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} else if(updown == PU_DRAG && _dragging) {
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setPosition(x + _dX, y + _dY);
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} else {
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_dragging = false;
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}
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return result;
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}
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int fgPopup::getHitObjects(puObject *object, int x, int y)
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{
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int type = 0;
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if(object->getType() & PUCLASS_GROUP)
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for (puObject *obj = ((puGroup *)object)->getFirstChild();
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obj; obj = obj->getNextObject())
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type |= getHitObjects(obj, x, y);
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int cx, cy, cw, ch;
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object->getAbsolutePosition(&cx, &cy);
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object->getSize(&cw, &ch);
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if(x >= cx && x < cx + cw && y >= cy && y < cy + ch)
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type |= object->getType();
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return type;
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}
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////////////////////////////////////////////////////////////////////////
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// Callbacks.
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////////////////////////////////////////////////////////////////////////
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/**
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* User data for a GUI object.
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*/
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struct GUIInfo
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{
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GUIInfo (FGDialog * d);
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virtual ~GUIInfo ();
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FGDialog * dialog;
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vector <FGBinding *> bindings;
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};
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/**
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* Action callback.
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*/
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static void
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action_callback (puObject * object)
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{
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GUIInfo * info = (GUIInfo *)object->getUserData();
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NewGUI * gui = (NewGUI *)globals->get_subsystem("gui");
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gui->setActiveDialog(info->dialog);
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int nBindings = info->bindings.size();
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for (int i = 0; i < nBindings; i++) {
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info->bindings[i]->fire();
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if (gui->getActiveDialog() == 0)
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break;
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}
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gui->setActiveDialog(0);
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}
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static void
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format_callback(puObject *obj, int dx, int dy, void *n)
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{
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SGPropertyNode *node = (SGPropertyNode *)n;
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const char *format = node->getStringValue("format"), *f = format;
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bool number, l = false;
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// make sure the format matches '[ -+#]?\d*(\.\d*)?l?[fs]'
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for (; *f; f++) {
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if (*f == '%') {
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if (f[1] == '%')
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f++;
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else
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break;
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}
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}
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if (*f++ != '%')
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return;
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if (*f == ' ' || *f == '+' || *f == '-' || *f == '#')
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f++;
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while (*f && isdigit(*f))
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f++;
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if (*f == '.') {
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f++;
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while (*f && isdigit(*f))
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f++;
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}
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if (*f == 'l')
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l = true, f++;
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if (*f == 'f')
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number = true;
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else if (*f == 's') {
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if (l)
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return;
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number = false;
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} else
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return;
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for (++f; *f; f++) {
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if (*f == '%') {
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if (f[1] == '%')
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f++;
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else
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return;
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}
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}
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char buf[256];
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const char *src = obj->getLabel();
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if (number) {
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float value = atof(src);
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snprintf(buf, 256, format, value);
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} else {
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snprintf(buf, 256, format, src);
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}
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buf[255] = '\0';
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SGPropertyNode *result = node->getNode("formatted", true);
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result->setStringValue(buf);
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obj->setLabel(result->getStringValue());
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}
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////////////////////////////////////////////////////////////////////////
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// Static helper functions.
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////////////////////////////////////////////////////////////////////////
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/**
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* Copy a property value to a PUI object.
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*/
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static void
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copy_to_pui (SGPropertyNode * node, puObject * object)
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{
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// Treat puText objects specially, so their "values" can be set
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// from properties.
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if(object->getType() & PUCLASS_TEXT) {
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object->setLabel(node->getStringValue());
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return;
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}
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switch (node->getType()) {
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case SGPropertyNode::BOOL:
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case SGPropertyNode::INT:
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case SGPropertyNode::LONG:
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object->setValue(node->getIntValue());
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break;
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case SGPropertyNode::FLOAT:
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case SGPropertyNode::DOUBLE:
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object->setValue(node->getFloatValue());
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break;
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default:
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object->setValue(node->getStringValue());
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break;
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}
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}
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static void
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copy_from_pui (puObject * object, SGPropertyNode * node)
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{
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// puText objects are immutable, so should not be copied out
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if(object->getType() & PUCLASS_TEXT)
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return;
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switch (node->getType()) {
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case SGPropertyNode::BOOL:
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case SGPropertyNode::INT:
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case SGPropertyNode::LONG:
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node->setIntValue(object->getIntegerValue());
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break;
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case SGPropertyNode::FLOAT:
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case SGPropertyNode::DOUBLE:
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node->setFloatValue(object->getFloatValue());
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break;
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default:
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// Special case to handle lists, as getStringValue cannot be overridden
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if(object->getType() & PUCLASS_LIST)
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{
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node->setStringValue(((puList *) object)->getListStringValue());
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}
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else
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{
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node->setStringValue(object->getStringValue());
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}
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break;
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}
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of GUIInfo.
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////////////////////////////////////////////////////////////////////////
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GUIInfo::GUIInfo (FGDialog * d)
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: dialog(d)
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{
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}
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GUIInfo::~GUIInfo ()
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{
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for (unsigned int i = 0; i < bindings.size(); i++) {
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delete bindings[i];
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bindings[i] = 0;
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}
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of FGDialog.
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////////////////////////////////////////////////////////////////////////
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FGDialog::FGDialog (SGPropertyNode * props)
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: _object(0)
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{
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char* envp = ::getenv( "FG_FONTS" );
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if ( envp != NULL ) {
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_font_path.set( envp );
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} else {
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_font_path.set( globals->get_fg_root() );
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_font_path.append( "Fonts" );
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}
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display(props);
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}
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FGDialog::~FGDialog ()
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{
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puDeleteObject(_object);
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unsigned int i;
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// Delete all the arrays we made
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// and were forced to keep around
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// because PUI won't do its own
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// memory management.
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for (i = 0; i < _char_arrays.size(); i++) {
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for (int j = 0; _char_arrays[i][j] != 0; j++)
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free(_char_arrays[i][j]); // added with strdup
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delete[] _char_arrays[i];
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}
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// Delete all the info objects we
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// were forced to keep around because
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// PUI cannot delete its own user data.
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for (i = 0; i < _info.size(); i++) {
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delete (GUIInfo *)_info[i];
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_info[i] = 0;
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}
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// Finally, delete the property links.
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for (i = 0; i < _propertyObjects.size(); i++) {
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delete _propertyObjects[i];
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_propertyObjects[i] = 0;
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}
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}
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void
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FGDialog::updateValue (const char * objectName)
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{
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for (unsigned int i = 0; i < _propertyObjects.size(); i++) {
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const string &name = _propertyObjects[i]->name;
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if (name == objectName)
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copy_to_pui(_propertyObjects[i]->node,
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_propertyObjects[i]->object);
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}
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}
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void
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FGDialog::applyValue (const char * objectName)
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{
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for (unsigned int i = 0; i < _propertyObjects.size(); i++) {
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if (_propertyObjects[i]->name == objectName)
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copy_from_pui(_propertyObjects[i]->object,
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_propertyObjects[i]->node);
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}
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}
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void
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FGDialog::updateValues ()
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{
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for (unsigned int i = 0; i < _propertyObjects.size(); i++)
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copy_to_pui(_propertyObjects[i]->node, _propertyObjects[i]->object);
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}
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void
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FGDialog::applyValues ()
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{
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for (unsigned int i = 0; i < _propertyObjects.size(); i++)
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copy_from_pui(_propertyObjects[i]->object,
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_propertyObjects[i]->node);
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}
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void
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FGDialog::update ()
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{
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for (unsigned int i = 0; i < _liveObjects.size(); i++) {
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puObject *obj = _liveObjects[i]->object;
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if (obj->getType() & PUCLASS_INPUT && ((puInput *)obj)->isAcceptingInput())
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continue;
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copy_to_pui(_liveObjects[i]->node, obj);
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}
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}
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void
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FGDialog::display (SGPropertyNode * props)
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{
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if (_object != 0) {
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SG_LOG(SG_GENERAL, SG_ALERT, "This widget is already active");
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return;
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}
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int screenw = globals->get_props()->getIntValue("/sim/startup/xsize");
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int screenh = globals->get_props()->getIntValue("/sim/startup/ysize");
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bool userx = props->hasValue("x");
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bool usery = props->hasValue("y");
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bool userw = props->hasValue("width");
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bool userh = props->hasValue("height");
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LayoutWidget wid(props);
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int pw=0, ph=0;
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if(!userw || !userh)
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wid.calcPrefSize(&pw, &ph);
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pw = props->getIntValue("width", pw);
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ph = props->getIntValue("height", ph);
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int px = props->getIntValue("x", (screenw - pw) / 2);
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int py = props->getIntValue("y", (screenh - ph) / 2);
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wid.layout(px, py, pw, ph);
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_object = makeObject(props, screenw, screenh);
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// Remove automatically generated properties, so the layout looks
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// the same next time around.
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if(!userx) props->removeChild("x");
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if(!usery) props->removeChild("y");
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if(!userw) props->removeChild("width");
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if(!userh) props->removeChild("height");
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if (_object != 0) {
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_object->reveal();
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} else {
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SG_LOG(SG_GENERAL, SG_ALERT, "Widget "
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<< props->getStringValue("name", "[unnamed]")
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<< " does not contain a proper GUI definition");
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}
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}
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puObject *
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FGDialog::makeObject (SGPropertyNode * props, int parentWidth, int parentHeight)
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{
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bool presetSize = props->hasValue("width") && props->hasValue("height");
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int width = props->getIntValue("width", parentWidth);
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int height = props->getIntValue("height", parentHeight);
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int x = props->getIntValue("x", (parentWidth - width) / 2);
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int y = props->getIntValue("y", (parentHeight - height) / 2);
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sgVec4 color = {0.8, 0.8, 0.9, 0.85};
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SGPropertyNode *ncs = props->getNode("color", false);
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if ( ncs ) {
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color[0] = ncs->getFloatValue("red", 0.8);
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color[1] = ncs->getFloatValue("green", 0.8);
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color[2] = ncs->getFloatValue("blue", 0.9);
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color[3] = ncs->getFloatValue("alpha", 0.85);
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}
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string type = props->getName();
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if (type == "")
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type = "dialog";
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if (type == "dialog") {
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puPopup * dialog;
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bool draggable = props->getBoolValue("draggable", true);
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if (props->getBoolValue("modal", false))
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dialog = new puDialogBox(x, y);
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else
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dialog = new fgPopup(x, y, draggable);
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setupGroup(dialog, props, width, height, color, true);
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return dialog;
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} else if (type == "group") {
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puGroup * group = new puGroup(x, y);
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setupGroup(group, props, width, height, color, false);
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return group;
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} else if (type == "list") {
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puList * list = new puList(x, y, x + width, y + height);
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setupObject(list, props);
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return list;
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} else if (type == "airport-list") {
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AirportList * list = new AirportList(x, y, x + width, y + height);
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setupObject(list, props);
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return list;
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} else if (type == "input") {
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puInput * input = new puInput(x, y, x + width, y + height);
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setupObject(input, props);
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return input;
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} else if (type == "text") {
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puText * text = new puText(x, y);
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setupObject(text, props);
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if (props->getNode("format")) {
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SGPropertyNode *live = props->getNode("live");
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if (live && live->getBoolValue())
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text->setRenderCallback(format_callback, props);
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else
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format_callback(text, x, y, props);
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}
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// Layed-out objects need their size set, and non-layout ones
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// get a different placement.
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if(presetSize) text->setSize(width, height);
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else text->setLabelPlace(PUPLACE_LABEL_DEFAULT);
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return text;
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} else if (type == "checkbox") {
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puButton * b;
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b = new puButton(x, y, x + width, y + height, PUBUTTON_XCHECK);
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b->setColourScheme(.8, .7, .7); // matches "PUI input pink"
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setupObject(b, props);
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return b;
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} else if (type == "radio") {
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puButton * b;
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b = new puButton(x, y, x + width, y + height, PUBUTTON_CIRCLE);
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b->setColourScheme(.8, .7, .7); // matches "PUI input pink"
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setupObject(b, props);
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return b;
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} else if (type == "button") {
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puButton * b;
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const char * legend = props->getStringValue("legend", "[none]");
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if (props->getBoolValue("one-shot", true))
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b = new puOneShot(x, y, legend);
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else
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b = new puButton(x, y, legend);
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if(presetSize)
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b->setSize(width, height);
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setupObject(b, props);
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return b;
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} else if (type == "combo") {
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vector<SGPropertyNode_ptr> value_nodes = props->getChildren("value");
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char ** entries = make_char_array(value_nodes.size());
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for (unsigned int i = 0, j = value_nodes.size() - 1;
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i < value_nodes.size();
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i++, j--)
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entries[i] = strdup((char *)value_nodes[i]->getStringValue());
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puComboBox * combo =
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new puComboBox(x, y, x + width, y + height, entries,
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props->getBoolValue("editable", false));
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setupObject(combo, props);
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return combo;
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} else if (type == "slider") {
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bool vertical = props->getBoolValue("vertical", false);
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puSlider * slider = new puSlider(x, y, (vertical ? height : width));
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slider->setMinValue(props->getFloatValue("min", 0.0));
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slider->setMaxValue(props->getFloatValue("max", 1.0));
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setupObject(slider, props);
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if(presetSize)
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slider->setSize(width, height);
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return slider;
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} else if (type == "dial") {
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puDial * dial = new puDial(x, y, width);
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dial->setMinValue(props->getFloatValue("min", 0.0));
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dial->setMaxValue(props->getFloatValue("max", 1.0));
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dial->setWrap(props->getBoolValue("wrap", true));
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setupObject(dial, props);
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return dial;
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} else if (type == "textbox") {
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int slider_width = props->getIntValue("slider", parentHeight);
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int wrap = props->getBoolValue("wrap", true)==true;
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if (slider_width==0) slider_width=20;
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puLargeInput * puTextBox =
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new puLargeInput(x, y, x+width, x+height, 2, slider_width, wrap);
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if (props->hasValue("editable"))
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{
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if (props->getBoolValue("editable")==false)
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puTextBox->disableInput();
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else
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puTextBox->enableInput();
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}
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setupObject(puTextBox,props);
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return puTextBox;
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} else if (type == "select") {
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vector<SGPropertyNode_ptr> value_nodes;
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SGPropertyNode * selection_node =
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fgGetNode(props->getChild("selection")->getStringValue(), true);
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for (int q = 0; q < selection_node->nChildren(); q++)
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value_nodes.push_back(selection_node->getChild(q));
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char ** entries = make_char_array(value_nodes.size());
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for (unsigned int i = 0, j = value_nodes.size() - 1;
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i < value_nodes.size();
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i++, j--)
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entries[i] = strdup((char *)value_nodes[i]->getName());
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puSelectBox * select =
|
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new puSelectBox(x, y, x + width, y + height, entries);
|
||
setupObject(select, props);
|
||
return select;
|
||
} else {
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
void
|
||
FGDialog::setupObject (puObject * object, SGPropertyNode * props)
|
||
{
|
||
object->setLabelPlace(PUPLACE_CENTERED_RIGHT);
|
||
|
||
if (props->hasValue("legend"))
|
||
object->setLegend(props->getStringValue("legend"));
|
||
|
||
if (props->hasValue("label"))
|
||
object->setLabel(props->getStringValue("label"));
|
||
|
||
if ( SGPropertyNode *nft = props->getNode("font", false) ) {
|
||
SGPath path( _font_path );
|
||
string name = props->getStringValue("name");
|
||
float size = props->getFloatValue("size", 13.0);
|
||
float slant = props->getFloatValue("slant", 0.0);
|
||
if ( name.empty() ) name = "typewriter";
|
||
path.append( name );
|
||
path.concat( ".txf" );
|
||
|
||
fntFont *font = new fntTexFont;
|
||
font->load( (char *)path.c_str() );
|
||
|
||
puFont lfnt(font, size, slant);
|
||
object->setLabelFont( lfnt );
|
||
}
|
||
|
||
if ( SGPropertyNode *ncs = props->getNode("color", false) ) {
|
||
sgVec4 color;
|
||
color[0] = ncs->getFloatValue("red", 0.0);
|
||
color[1] = ncs->getFloatValue("green", 0.0);
|
||
color[2] = ncs->getFloatValue("blue", 0.0);
|
||
color[3] = ncs->getFloatValue("alpha", 1.0);
|
||
object->setColor(PUCOL_LABEL, color[0], color[1], color[2], color[3]);
|
||
}
|
||
|
||
if (props->hasValue("property")) {
|
||
const char * name = props->getStringValue("name");
|
||
if (name == 0)
|
||
name = "";
|
||
const char * propname = props->getStringValue("property");
|
||
SGPropertyNode_ptr node = fgGetNode(propname, true);
|
||
copy_to_pui(node, object);
|
||
PropertyObject* po = new PropertyObject(name, object, node);
|
||
_propertyObjects.push_back(po);
|
||
if(props->getBoolValue("live"))
|
||
_liveObjects.push_back(po);
|
||
}
|
||
|
||
vector<SGPropertyNode_ptr> nodes = props->getChildren("binding");
|
||
if (nodes.size() > 0) {
|
||
GUIInfo * info = new GUIInfo(this);
|
||
|
||
for (unsigned int i = 0; i < nodes.size(); i++)
|
||
info->bindings.push_back(new FGBinding(nodes[i]));
|
||
object->setCallback(action_callback);
|
||
object->setUserData(info);
|
||
_info.push_back(info);
|
||
}
|
||
|
||
object->makeReturnDefault(props->getBoolValue("default"));
|
||
}
|
||
|
||
void
|
||
FGDialog::setupGroup (puGroup * group, SGPropertyNode * props,
|
||
int width, int height, sgVec4 color, bool makeFrame)
|
||
{
|
||
setupObject(group, props);
|
||
|
||
if (makeFrame) {
|
||
puFrame* f = new puFrame(0, 0, width, height);
|
||
f->setColorScheme(color[0], color[1], color[2], color[3]);
|
||
}
|
||
|
||
int nChildren = props->nChildren();
|
||
for (int i = 0; i < nChildren; i++)
|
||
makeObject(props->getChild(i), width, height);
|
||
group->close();
|
||
}
|
||
|
||
char **
|
||
FGDialog::make_char_array (int size)
|
||
{
|
||
char ** list = new char*[size+1];
|
||
for (int i = 0; i <= size; i++)
|
||
list[i] = 0;
|
||
_char_arrays.push_back(list);
|
||
return list;
|
||
}
|
||
|
||
|
||
|
||
////////////////////////////////////////////////////////////////////////
|
||
// Implementation of FGDialog::PropertyObject.
|
||
////////////////////////////////////////////////////////////////////////
|
||
|
||
FGDialog::PropertyObject::PropertyObject (const char * n,
|
||
puObject * o,
|
||
SGPropertyNode_ptr p)
|
||
: name(n),
|
||
object(o),
|
||
node(p)
|
||
{
|
||
}
|
||
|
||
|
||
// end of dialog.cxx
|