fltk/test/tree.fl

# data file for the Fltk User Interface Designer (fluid)
version 1.0300 
header_name {.h} 
code_name {.cxx}
decl {\#include <stdio.h>} {public global
} 

decl {\#include <FL/Fl.H>} {public global
} 

decl {\#include <FL/Fl_Pixmap.H>} {public global
} 

decl {\#include <FL/Fl_Group.H>} {public global
} 

decl {\#include <FL/Fl_Tree.H>} {public global
} 

decl {\#include <FL/fl_ask.H>} {public global
} 

Function {Button_CB(Fl_Widget*w, void*data)} {open return_type void
} {
  code {fprintf(stderr, "'%s' button pushed\\n", w->label());} {}
} 

Function {RebuildTree()} {open
} {
  code {// REBUILD THE TREE TO MAKE CURRENT "DEFAULT" PREFS TAKE EFFECT
tree->clear();
tree->add("Aaa");
tree->add("Bbb");
tree->add("Ccc");
tree->add("Ddd");
tree->add("Bbb/child-01");
tree->add("Bbb/child-01/111");
tree->add("Bbb/child-01/222");
tree->add("Bbb/child-01/333");
tree->add("Bbb/child-02");
tree->add("Bbb/child-03");
tree->add("Bbb/child-04");

{
    static Fl_Button *but = 0;
    // Assign an FLTK widget to one of the items
    Fl_Tree_Item *i;
    if ( ( i = tree->find_item("Bbb/child-03") ) != NULL ) {
        if ( !but ) {		// only do this once at program startup
            tree->begin();
            but = new Fl_Button(1,1,140,1,"ccc button");     // we control w() only
            but->labelsize(10);
	    but->callback(Button_CB);
        }
        i->widget(but);
        tree->end();
    }
}
{
    // Assign an FLTK group to one of the items with widgets
    Fl_Tree_Item *i;
    if ( ( i = tree->find_item("Bbb/child-04") ) != NULL ) {
        static Fl_Group *grp = 0;
        if ( !grp ) {		// only do this once at program startup
            tree->begin();
              grp = new Fl_Group(100,100,140,18); // build group.. tree handles position
              grp->color(FL_WHITE);
              grp->begin();
                Fl_Button *abut = new Fl_Button(grp->x()+0 ,grp->y()+2,65,15,"D1");
                abut->labelsize(10);
		abut->callback(Button_CB);
                Fl_Button *bbut = new Fl_Button(grp->x()+75,grp->y()+2,65,15,"D2");
                bbut->labelsize(10);
		bbut->callback(Button_CB);
              grp->end();
              grp->resizable(grp);
            tree->end();
        }
        i->widget(grp);
    }
}

// Add an 'Ascending' node, and create it sorted
tree->sortorder(FL_TREE_SORT_NONE);
tree->add("Ascending")->close();
tree->sortorder(FL_TREE_SORT_ASCENDING);
tree->add("Ascending/Zzz");
tree->add("Ascending/Xxx");
tree->add("Ascending/Aaa");
tree->add("Ascending/Bbb");
tree->add("Ascending/Yyy");
tree->add("Ascending/Ccc");

// Add a 'Descending' node, and create it sorted
tree->sortorder(FL_TREE_SORT_NONE);
tree->add("Descending")->close();
tree->sortorder(FL_TREE_SORT_DESCENDING);
tree->add("Descending/Zzz");
tree->add("Descending/Xxx");
tree->add("Descending/Aaa");
tree->add("Descending/Bbb");
tree->add("Descending/Yyy");
tree->add("Descending/Ccc");

tree->redraw();} {}
} 

Function {} {open
} {
  Fl_Window window {
    label tree open
    xywh {1105 30 580 695} type Double visible
  } {
    Fl_Group tree {
      user_data 1234
      callback {Fl_Tree_Item *item = tree->item_clicked();
if ( item ) {
  fprintf(stderr, "TREE CALLBACK: label='%s' userdata=%ld\\n",
          item->label(),
          (long)tree->user_data());
} else {
  fprintf(stderr, "TREE CALLBACK: no item (probably multiple items were changed at once)\\n");
}} open
      xywh {15 15 550 390} box DOWN_BOX color 55
      class Fl_Tree
    } {}
    Fl_Box docallback_box {
      xywh {280 521 285 81} box GTK_DOWN_BOX color 47
    }
    Fl_Value_Slider margintop_slider {
      label {margintop()}
      user_data tree
      callback {int val = (int)margintop_slider->value();
tree->margintop(val);
tree->redraw();}
      tooltip {Changes the top margin for the tree widget} xywh {190 414 240 16} type Horizontal labelsize 12 align 4 step 0.01 textsize 12
      code0 {o->value(tree->margintop());}
      code1 {o->range(0.0, 100.0);}
      code2 {o->step(1.0);}
      code3 {o->color(46); o->selection_color(FL_RED);}
    }
    Fl_Value_Slider marginleft_slider {
      label {marginleft()}
      user_data tree
      callback {int val = (int)marginleft_slider->value();
tree->marginleft(val);
tree->redraw();}
      tooltip {Changes the left margin for the tree widget} xywh {190 434 240 16} type Horizontal labelsize 12 align 4 step 0.01 textsize 12
      code0 {o->value(tree->marginleft());}
      code1 {o->range(0.0, 100.0);}
      code2 {o->step(1.0);}
      code3 {o->color(46); o->selection_color(FL_RED);}
    }
    Fl_Value_Slider openchild_marginbottom_slider {
      label {openchild_marginbottom()}
      user_data tree
      callback {int val = (int)openchild_marginbottom_slider->value();
tree->openchild_marginbottom(val);
tree->redraw();}
      tooltip {Changes the vertical space below an open child tree} xywh {190 454 240 16} type Horizontal labelsize 12 align 4 step 0.01 textsize 12
      code0 {o->value(tree->openchild_marginbottom());}
      code1 {o->range(0.0, 100.0);}
      code2 {o->step(1.0);}
      code3 {o->color(46); o->selection_color(FL_RED);}
    }
    Fl_Value_Slider labelsize_slider {
      label {Text size}
      user_data tree
      callback {int size = (int)labelsize_slider->value();

// DO SELECTED ITEMS
int count = 0;
for ( Fl_Tree_Item *item=tree->first(); item; item = item->next() ) {
    if ( item->is_selected() ) {
        item->labelsize(size);
        count++;
    }
}

// NO ITEMS SELECTED? DO ALL
if ( ! count ) {
    for ( Fl_Tree_Item *item=tree->first(); item; item = item->next() ) {
        item->labelsize(size);
    }
}

tree->redraw();}
      tooltip {Changes the font size of the selected items
If none selected, all are changed} xywh {190 474 240 16} type Horizontal labelsize 12 align 4 step 0.01 textsize 12
      code0 {o->value(tree->labelsize());}
      code1 {o->range(5.0, 200.0);}
      code2 {o->step(1.0);}
      code3 {o->color(46); o->selection_color(FL_RED);}
    }
    Fl_Value_Slider connectorwidth_slider {
      label {Connector width}
      user_data tree
      callback {tree->connectorwidth((int)connectorwidth_slider->value());}
      tooltip {Tests Fl_Tree::connectorwidth()} xywh {190 494 240 16} type Horizontal labelsize 12 align 4 step 0.01 textsize 12
      code0 {o->value(tree->connectorwidth());}
      code1 {o->range(10.0, 100.0);}
      code2 {o->step(1.0);}
      code3 {o->color(46); o->selection_color(FL_RED);}
    }
    Fl_Check_Button usericon_radio {
      label {Enable user icons?}
      user_data tree
      callback {static const char *L_folder_xpm[] = {
    "11 11 3 1",
    ".  c None",
    "x  c \#d8d833",
    "@  c \#808011",
    "...........",
    ".....@@@@..",
    "....@xxxx@.",
    "@@@@@xxxx@@",
    "@xxxxxxxxx@",
    "@xxxxxxxxx@",
    "@xxxxxxxxx@",
    "@xxxxxxxxx@",
    "@xxxxxxxxx@",
    "@xxxxxxxxx@",
    "@@@@@@@@@@@"};
static Fl_Pixmap L_folderpixmap(L_folder_xpm);

static const char *L_document_xpm[] = {
    "11 11 3 1",
    ".  c None",
    "x  c \#d8d8f8",
    "@  c \#202060",
    ".@@@@@@@@@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@xxxxxxx@.",
    ".@@@@@@@@@."};
static Fl_Pixmap L_documentpixmap(L_document_xpm);

Fl_Tree_Item *i = 0;
if ( usericon_radio->value() ) {
    tree->usericon(&L_folderpixmap);
    if ( ( i = tree->find_item("Bbb/bgb/111") ) != NULL ) i->usericon(&L_documentpixmap);
    if ( ( i = tree->find_item("Bbb/bgb/222") ) != NULL ) i->usericon(&L_documentpixmap);
    if ( ( i = tree->find_item("Bbb/bgb/333") ) != NULL ) i->usericon(&L_documentpixmap);
} else {
    tree->usericon(0);
    if ( ( i = tree->find_item("Bbb/bgb/111") ) != NULL ) i->usericon(0);
    if ( ( i = tree->find_item("Bbb/bgb/222") ) != NULL ) i->usericon(0);
    if ( ( i = tree->find_item("Bbb/bgb/333") ) != NULL ) i->usericon(0);
}}
      tooltip {Tests Fl_Tree_Item::usericon()} xywh {145 520 130 16} down_box DOWN_BOX labelsize 11
    }
    Fl_Check_Button showroot_radio {
      label {Show root?}
      user_data tree
      callback {int onoff = showroot_radio->value();
tree->showroot(onoff);}
      tooltip {Tests Fl_Tree_Item::usericon()} xywh {145 539 130 16} down_box DOWN_BOX labelsize 11
      code0 {int onoff = tree->showroot(); showroot_radio->value(onoff);}
    }
    Fl_Choice collapseicons_chooser {
      label {Collapse icons}
      callback {static const char *L_open_xpm[] = {
    "11 11 2 1",
    ".  c None",
    "@  c \#000000",
    "...@.......",
    "...@@......",
    "...@@@.....",
    "...@@@@....",
    "...@@@@@...",
    "...@@@@@@..",
    "...@@@@@...",
    "...@@@@....",
    "...@@@.....",
    "...@@......",
    "...@......."};
static Fl_Pixmap L_openpixmap(L_open_xpm);

static const char *L_close_xpm[] = {
    "11 11 2 1",
    ".  c None",
    "@  c \#000000",
    "...........",
    "...........",
    "...........",
    "...........",
    "...........",
    "@@@@@@@@@@@",
    ".@@@@@@@@@.",
    "..@@@@@@@..",
    "...@@@@@...",
    "....@@@....",
    ".....@....."};
static Fl_Pixmap L_closepixmap(L_close_xpm);

switch ( collapseicons_chooser->value() ) {
    case 0:
        tree->showcollapse(1);
        tree->openicon(0);
        tree->closeicon(0);
        break;
    case 1:
        tree->showcollapse(1);
        tree->openicon(&L_openpixmap);
        tree->closeicon(&L_closepixmap);
        break;
    case 2:
        tree->showcollapse(0);
        break;
}} open
      tooltip {Tests Fl_Tree::openicon() and Fl_Tree::closeicon()} xywh {145 564 110 16} down_box BORDER_BOX labelsize 11 textsize 11
    } {
      MenuItem {} {
        label Normal
        xywh {0 0 36 21} labelsize 11
      }
      MenuItem {} {
        label Arrow
        xywh {10 10 36 21} labelsize 11
      }
      MenuItem {} {
        label Off
        xywh {20 20 36 21} labelsize 11
      }
    }
    Fl_Choice connectorstyle_chooser {
      label {Line style}
      callback {// CHANGE COLLAPSESTYLE
switch ( connectorstyle_chooser->value() ) {
    case 0: tree->connectorstyle(FL_TREE_CONNECTOR_NONE);     break;
    case 1: tree->connectorstyle(FL_TREE_CONNECTOR_DOTTED);   break;
    case 2: tree->connectorstyle(FL_TREE_CONNECTOR_SOLID);    break;
}} open
      tooltip {Tests connectorstyle() bit flags} xywh {145 584 110 16} down_box BORDER_BOX labelsize 11 textsize 11
      code0 {connectorstyle_chooser->value(1);   // tree's default is 'dotted'}
    } {
      MenuItem {} {
        label None
        xywh {30 30 36 21} labelsize 11
      }
      MenuItem {} {
        label Dotted
        xywh {10 10 36 21} labelsize 11
      }
      MenuItem {} {
        label Solid
        xywh {20 20 36 21} labelsize 11
      }
    }
    Fl_Choice labelcolor_chooser {
      label {Item Text Color}
      callback {// Set color..
Fl_Color c = Fl_Color(0x00000000);
switch ( labelcolor_chooser->value() ) {
    case 0:  c = Fl_Color(0x00000000); break;	// black
    case 1:  c = Fl_Color(0xd0000000); break;	// red
    case 2:  c = Fl_Color(0x00a00000); break;	// green
    case 3:  c = Fl_Color(0x0000a000); break;	// blue
    default: c = Fl_Color(0x00000000); break;	// black
}

// DO SELECTED ITEMS
int count = 0;
for ( Fl_Tree_Item *item=tree->first(); item; item = item->next() ) {
    if ( item->is_selected() ) {
        item->labelcolor(c);
        count++;
    }
}

// NO ITEMS SELECTED? DO ALL
if ( ! count ) {
    for ( Fl_Tree_Item *item=tree->first(); item; item = item->next() ) {
        item->labelcolor(c);
    }
}

tree->redraw();} open
      tooltip {Changes the label color for the selected items
If no items selected, all are changed} xywh {145 604 110 16} down_box BORDER_BOX labelsize 11 textsize 11
    } {
      MenuItem {} {
        label Black
        xywh {20 20 36 21} labelsize 11
      }
      MenuItem {} {
        label Red
        xywh {30 30 36 21} labelsize 11
      }
      MenuItem {} {
        label Green
        xywh {40 40 36 21} labelsize 11
      }
      MenuItem {} {
        label Blue
        xywh {50 50 36 21} labelsize 11
      }
    }
    Fl_Choice selectmode_chooser {
      label {Selection Mode}
      callback {// Set selection mode
switch ( selectmode_chooser->value() ) {
    case 0:  tree->selectmode(FL_TREE_SELECT_NONE);   break;	// None
    case 1:  tree->selectmode(FL_TREE_SELECT_SINGLE); break;	// Single
    case 2:  tree->selectmode(FL_TREE_SELECT_MULTI);  break; 	// Multi
    default: tree->selectmode(FL_TREE_SELECT_SINGLE); break;	// Single
}}
      tooltip {Sets how Fl_Tree handles mouse selection of tree items} xywh {145 624 110 16} down_box BORDER_BOX labelsize 11 textsize 11
      code0 {selectmode_chooser->value(1);}
      code1 {cb_selectmode_chooser(selectmode_chooser, (void*)0);}
    } {
      MenuItem {} {
        label None
        xywh {30 30 36 21} labelsize 11
      }
      MenuItem {} {
        label Single
        xywh {40 40 36 21} labelsize 11
      }
      MenuItem {} {
        label Multi
        xywh {50 50 36 21} labelsize 11
      }
    }
    Fl_Choice whenmode_chooser {
      label When
      callback {// Set when mode
switch ( whenmode_chooser->value() ) {
  case 0:  tree->when(FL_WHEN_RELEASE);   break;
  case 1:  tree->when(FL_WHEN_CHANGED);   break;
  case 2:  tree->when(FL_WHEN_NEVER);     break;
  default: tree->when(FL_WHEN_RELEASE);   break;
}}
      tooltip {Sets when() the tree's callback is invoked} xywh {145 644 110 16} down_box BORDER_BOX labelsize 11 textsize 11
      code0 {whenmode_chooser->value(1);}
      code1 {cb_whenmode_chooser(whenmode_chooser, (void*)0);}
    } {
      MenuItem {} {
        label Changed
        xywh {40 40 36 21} labelsize 11
      }
      MenuItem {} {
        label Released
        xywh {50 50 36 21} labelsize 11
      }
      MenuItem {} {
        label Never
        xywh {60 60 36 21} labelsize 11
      }
    }
    Fl_Check_Button docallback_radio {
      label {Invoke callback on select changes?} user_data_type {void*}
      tooltip {Invokes the callback when one or more item's state changes.} xywh {310 529 230 16} down_box DOWN_BOX labelsize 11
    }
    Fl_Button selectall_button {
      label {Select All}
      callback {int docallbacks = docallback_radio->value() ? 1 : 0;
tree->select_all(0,docallbacks);
tree->redraw();}
      tooltip {Selects all items in the tree} xywh {305 551 105 16} labelsize 11
    }
    Fl_Button deselectall_button {
      label {Deselect All}
      callback {int docallbacks = docallback_radio->value() ? 1 : 0;
tree->deselect_all(0,docallbacks);
tree->redraw();}
      tooltip {Deselects all items in the tree} xywh {305 571 105 16} labelsize 11
    }
    Fl_Light_Button bbbselect_toggle {
      label { Select Bbb}
      callback {// Toggle select of just the Bbb item and its immediate children
int docallback = docallback_radio->value() ? 1 : 0;
Fl_Tree_Item *bbb = tree->find_item("/Bbb");
if ( !bbb) {
  fl_alert("FAIL: Couldn't find item '/Bbb'???");
  return;
}
int onoff = bbbselect_toggle->value();
if ( onoff ) tree->select_all(bbb, docallback);		// select /Bbb and its children
else         tree->deselect_all(bbb, docallback);	// deselect /Bbb and its children

tree->redraw();

// Toggle select of just the Bbb item and its immediate children
//int docallback = docallback_radio->value() ? 1 : 0;
//int onoff = bbbselect_toggle->value();
//
//if ( onoff ) tree->select("/Bbb", docallback);
//else         tree->deselect("/Bbb", docallback);
//
//tree->redraw();}
      tooltip {Toggle selection of the /Bbb item and its children} xywh {430 552 115 15} labelsize 11
    }
    Fl_Light_Button deactivate_toggle {
      label { Deactivate}
      callback {int onoff = deactivate_toggle->value() ? 0 : 1;

int count = 0;
for (Fl_Tree_Item *item=tree->first(); item; item = item->next()) {
    if ( item->is_selected() ) {
        item->activate(onoff);
        ++count;
    }
}

if ( count == 0 ) {
    for (Fl_Tree_Item *item=tree->first(); item; item = item->next()) {
        item->activate(onoff);
    }
}

tree->redraw();}
      tooltip {Toggle the deactivation state of the selected items.
If none are selected, all are set.} xywh {280 625 90 16} labelsize 11
    }
    Fl_Light_Button bold_toggle {
      label { Bold Font}
      callback {int face = bold_toggle->value() ? FL_HELVETICA_BOLD : FL_HELVETICA;

// DO SELECTED ITEMS
int count = 0;
for ( Fl_Tree_Item *item=tree->first(); item; item = item->next() ) {
    if ( item->is_selected() ) {
        item->labelfont(face);
        count++;
    }
}

// NO ITEMS SELECTED? DO ALL
if ( ! count ) {
    for ( Fl_Tree_Item *item=tree->first(); item; item = item->next() ) {
        item->labelfont(face);
    }
}

tree->redraw();}
      tooltip {Toggles bold font for selected items
If nothing selected, all are changed} xywh {280 644 90 16} labelsize 11
    }
    Fl_Button insertabove_button {
      label {Insert Above}
      callback {Fl_Tree_Item *item=tree->first();
while (item) {
    if ( item->is_selected() ) {
        tree->insert_above(item, "AaaAaa");
        tree->insert_above(item, "BbbBbb");
        tree->insert_above(item, "CccCcc");
    }
    item = item->next();
}

tree->redraw();}
      tooltip {Inserts three items above the selected items} xywh {380 624 90 16} labelsize 11
    }
    Fl_Button rebuildtree_button {
      label {Rebuild Tree}
      callback {RebuildTree();}
      tooltip {Rebuilds the tree with defaults} xywh {380 644 90 16} labelsize 11
    }
    Fl_Button clearselected_button {
      label {Clear Selected}
      callback {Fl_Tree_Item *item=tree->first();
while (item) {
    if ( item->is_selected() ) {
    	if ( tree->remove(item) == -1 ) break;
    	item = tree->first();
    } else {
        item = item->next();
    }
}

tree->redraw();}
      tooltip {Clears the selected items} xywh {475 624 90 16} labelsize 11
    }
    Fl_Button clearall_button {
      label {Clear All}
      callback {tree->clear();
tree->redraw();}
      tooltip {Clears all items
Tests Fl_Tree::clear()} xywh {475 644 90 16} labelsize 11
    }
    Fl_Light_Button bbbchild02select_toggle {
      label { Toggle child-02}
      callback {// Toggle select of just the /Bbb/child-02 item
int docallback = docallback_radio->value() ? 1 : 0;
int onoff = bbbchild02select_toggle->value();
if ( onoff ) tree->select("/Bbb/child-02", docallback);
else         tree->deselect("/Bbb/child-02", docallback);
tree->redraw();}
      tooltip {Toggle the single item /Bbb/child-02} xywh {430 571 115 16} labelsize 11
    }
  }
  code {// Initialize Tree
tree->root_label("ROOT");
docallback_radio->value(1);	// enable docallbacks radio button
RebuildTree();
tree->show_self();} {selected
  }
  code {// FLTK stuff
Fl::scheme("gtk+");
window->resizable(window);
window->size_range(window->w(), window->h(), 0, 0);} {}
}