#include <simgear/compiler.h>
#include <simgear/misc/props.hxx>
+#include STL_STRING
+SG_USING_STD(string);
+
+// A local alternative name, for use when a variable called "string" is in scope - e.g. in classes derived from puInput.
+typedef string stdString;
+
#define DOTDOTSLASH "../"
#define SLASH "/"
-string name, line, value;
-
static puObject *PP_widget = 0;
// widget location and size...
void fgPropPicker::fgPropPickerHandleSlider ( puObject * slider )
{
+ puListBox* list_box = (puListBox*) slider -> getUserData () ;
+
float val ;
slider -> getValue ( &val ) ;
val = 1.0f - val ;
-
- puListBox* list_box = (puListBox*) slider -> getUserData () ;
- int index = int ( list_box -> getNumItems () * val ) ;
- list_box -> setTopItem ( index ) ;
+ int scroll_range = list_box->getNumItems () - list_box->getNumVisible () ;
+ if ( scroll_range > 0 )
+ {
+ int index = int ( scroll_range * val + 0.5 ) ;
+ list_box -> setTopItem ( index ) ;
+ }
}
void fgPropPicker::fgPropPickerHandleArrow ( puObject *arrow )
float val ;
slider -> getValue ( &val ) ;
val = 1.0f - val ;
- int num_items = list_box->getNumItems () - 1 ;
- if ( num_items > 0 )
+ int scroll_range = list_box->getNumItems () - list_box->getNumVisible () ;
+ if ( scroll_range > 0 )
{
- int index = int ( num_items * val + 0.5 ) + inc ;
- if ( index > num_items ) index = num_items ;
+ int index = int ( scroll_range * val + 0.5 ) ;
+ index += inc ;
+ // if ( index > scroll_range ) index = scroll_range ;
+ // Allow buttons to scroll further than the slider does
+ if ( index > ( list_box->getNumItems () - 1 ) )
+ index = ( list_box->getNumItems () - 1 ) ;
if ( index < 0 ) index = 0 ;
- slider -> setValue ( 1.0f - (float)index / num_items ) ;
+ slider -> setValue ( 1.0f - (float)index / scroll_range ) ;
list_box -> setTopItem ( index ) ;
}
}
FG_POP_PUI_DIALOG( prop_picker );
}
-/*
-fgPropPicker::~fgPropPicker ()
+void fgPropPicker::delete_arrays ()
{
if ( files )
{
for ( int i=0; i<num_files; i++ ) {
- delete files[i];
- delete names[i];
- delete values[i];
+ delete[] files[i];
+ delete[] names[i];
+ delete[] values[i];
}
delete[] files;
delete[] values;
delete[] dflag;
}
+}
+
+/*
+
+fgPropPicker::~fgPropPicker ()
+{
+ delete_arrays();
if ( this == puActiveWidget () )
puDeactivateWidget () ;
proppath -> setLabel (startDir);
slider = new puSlider (w-30,40+20*arrows,h-100-40*arrows,TRUE,20);
- slider->setDelta(0.1f);
slider->setValue(1.0f);
- slider->setSliderFraction (0.2f) ;
- slider->setCBMode( PUSLIDER_DELTA );
list_box = new puListBox ( 10, 40, w-40, h-60 ) ;
list_box -> setLabel ( title );
up_arrow->setCallback ( fgPropPickerHandleArrow ) ;
}
- if ( arrows == 2 )
- {
- down_arrow = new puArrowButton ( w-30, 40, w-10, 60, PUARROW_FASTDOWN ) ;
- down_arrow->setUserData ( slider ) ;
- down_arrow->setCallback ( fgPropPickerHandleArrow ) ;
-
- up_arrow = new puArrowButton ( w-30, h-80, w-10, h-60, PUARROW_FASTUP ) ;
- up_arrow->setUserData ( slider ) ;
- up_arrow->setCallback ( fgPropPickerHandleArrow ) ;
- }
-
// after picker is built, load the list box with data...
find_props () ;
}
-void fgPropPicker::find_props ()
+// Like strcmp, but for sorting property nodes into a suitable display order.
+static int nodeNameCompare(const void *ppNode1, const void *ppNode2)
{
+ const SGPropertyNode_ptr pNode1 = *(const SGPropertyNode_ptr *)ppNode1;
+ const SGPropertyNode_ptr pNode2 = *(const SGPropertyNode_ptr *)ppNode2;
- int pi;
+ // Compare name first, and then index.
+ int diff = strcmp(pNode1->getName(), pNode2->getName());
+ if (diff) return diff;
+ return pNode1->getIndex() - pNode2->getIndex();
+}
- if ( files != NULL )
- {
- for ( int i = 0 ; i < num_files ; i++ ) {
- delete files[i] ;
- delete names[i] ;
- delete values[i] ;
- }
- delete [] files ;
- delete [] names ;
- delete [] values ;
- delete [] dflag ;
- }
+// Replace the current list of properties with the children of node "startDir".
+void fgPropPicker::find_props ()
+{
+ int pi;
+ int i;
+ delete_arrays();
num_files = 0 ;
- char dir [ PUSTRING_MAX * 2 ] ;
+// printf("dir begin of find_props=%s\n",startDir);
+// printf("len of dir=%i",strlen(startDir));
+ SGPropertyNode * node = globals->get_props()->getNode(startDir);
- int iindex = 0;
- char sindex [ 20 ];
-
- strcpy ( dir, startDir ) ;
-
- int i = 0 ;
-// printf("dir begin of find_props=%s\n",dir);
-// printf("len of dir=%i",strlen(dir));
- SGPropertyNode * node = globals->get_props()->getNode(dir);
-
- num_files = (int)node->nChildren();
+ num_files = (node) ? (int)node->nChildren() : 0;
// instantiate string objects and add [.] and [..] for subdirs
- if (strcmp(dir,"/") == 0) {
+ if (strcmp(startDir,"/") == 0) {
files = new char* [ num_files+1 ] ;
names = new char* [ num_files+1 ] ;
values = new char* [ num_files+1 ] ;
names = new char* [ num_files+1 ] ;
values = new char* [ num_files+1 ] ;
dflag = new char [ num_files+1 ] ;
- line = ".";
+ stdString line = ".";
files [ 0 ] = new char[ strlen(line.c_str())+2 ];
strcpy ( files [ 0 ], line.c_str() );
names [ 0 ] = new char[ 2 ];
};
- for (i = 0; i < (int)node->nChildren(); i++) {
- SGPropertyNode * child = node->getChild(i);
- name = child->getName();
- if ( node->getChild(name.c_str(), 1) != 0 ) {
- iindex = child->getIndex();
- sprintf(sindex, "[%d]", iindex);
- name += sindex;
- }
- line = name;
- names[ pi ] = new char[ strlen(line.c_str())+2 ] ;
- strcpy ( names [ pi ], line.c_str() ) ;
+ if (node) {
+ // Get the list of children
+ int nChildren = node->nChildren();
+ SGPropertyNode_ptr * children = new SGPropertyNode_ptr[nChildren];
+ for (i = 0; i < nChildren; i++) {
+ children[i] = node->getChild(i);
+ }
+
+#if 1
+ // Sort the children into display order
+ qsort(children, nChildren, sizeof(children[0]), nodeNameCompare);
+#else
+ // Sort the entries. This is a simple N^2 extraction sort. More
+ // elaborate algorithms aren't necessary for the few dozen
+ // properties we're going to sort.
+ for (i = 0; i < nChildren; i++) {
+ int j, min = i;
+ for (j = i+1; j < nChildren; j++)
+ if (nodeNameCompare(&children[j], &children[min]) < 0)
+ min = j;
+ if (i != min) {
+ SGPropertyNode_ptr tmp = children[min];
+ children[min] = children[i];
+ children[i] = tmp;
+ }
+ }
+#endif
+
+ // Make lists of the children's names, values, etc.
+ for (i = 0; i < nChildren; i++) {
+ SGPropertyNode * child = children[i];
+ stdString name = child->getDisplayName(true);
+ names[ pi ] = new char[ strlen(name.c_str())+2 ] ;
+ strcpy ( names [ pi ], name.c_str() ) ;
if ( child->nChildren() > 0 ) {
dflag[ pi ] = 1 ;
- files[ pi ] = new char[ strlen(line.c_str())+strlen(sindex)+4 ] ;
- strcpy ( files [ pi ], line.c_str() ) ;
+ files[ pi ] = new char[ strlen(name.c_str())+2 ] ;
+ strcpy ( files [ pi ], name.c_str() ) ;
strcat ( files [ pi ], "/" ) ;
values[ pi ] = new char[ 2 ] ;
} else {
dflag[ pi ] = 0 ;
- value = node->getStringValue ( name.c_str(), "" );
+ stdString value = child->getStringValue();
values[ pi ] = new char[ strlen(value.c_str())+2 ] ;
strcpy ( values [pi], value.c_str() );
- line += " = '" + value + "' " + "(";
- line += getValueTypeString( node->getNode( name.c_str() ) );
+ stdString line = name + " = '" + value + "' " + "(";
+ line += getValueTypeString( child );
line += ")";
+ // truncate entries to plib pui limit
+ if (line.length() > (PUSTRING_MAX-1)) line[PUSTRING_MAX-1] = '\0';
files[ pi ] = new char[ strlen(line.c_str())+2 ] ;
strcpy ( files [ pi ], line.c_str() ) ;
}
// printf("files->%i of %i %s\n",pi, node->nChildren(), files [pi]);
++pi;
- }
+ }
- // truncate entries to 80 characters (plib pui limit)
- for (i = 0; i < num_files; i++) {
- if (strlen(files[i]) > 80) files[i][79] = '\0';
+ delete [] children;
}
files [ num_files ] = NULL ;
- // leave the . and .. alone...
- int ii = ( strcmp(files [0], "." ) == 0 ) ? 2 : 0;
-
- // Sort the entries. This is a simple N^2 extraction sort. More
- // elaborate algorithms aren't necessary for the few dozen
- // properties we're going to sort.
- for(i=ii; i<num_files; i++) {
- int j, min = i;
- char df, *tmp;
- for(j=i+1; j<num_files; j++)
- if(strcmp(names[j], names[min]) < 0)
- min = j;
- if(i != min) {
- tmp = names[min]; names[min] = names[i]; names[i] = tmp;
- tmp = files[min]; files[min] = files[i]; files[i] = tmp;
- tmp = values[min]; values[min] = values[i]; values[i] = tmp;
- df = dflag[min]; dflag[min] = dflag[i]; dflag[i] = df;
- }
- }
-
// printf("files pointer=%i/%i\n", files, num_files);
proppath -> setLabel (startDir);
list_box -> newList ( files ) ;
- // if non-empty list, adjust the size of the slider...
- if (num_files > 1) {
- if ((11.0f/(num_files)) < 1) {
- slider->setSliderFraction (11.0f/(num_files)) ;
- slider->reveal();
- up_arrow->reveal();
- down_arrow->reveal();
- }
- else {
- slider->setSliderFraction (0.9999f) ;
- slider->hide();
- up_arrow->hide();
- down_arrow->hide();
- }
+ // adjust the size of the slider...
+ if (num_files > list_box->getNumVisible()) {
+ slider->setSliderFraction((float)list_box->getNumVisible() / num_files);
+ slider->setValue(1.0f);
+ slider->reveal();
+ up_arrow->reveal();
+ down_arrow->reveal();
+ } else {
+ slider->hide();
+ up_arrow->hide();
+ down_arrow->hide();
}
-
}
void fgPropEdit::fgPropEditHandleCancel ( puObject* b )
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