EZ
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3.18 Tree Widget

A tree widget lets the user display a "tree" object such as a file tree.

Widget Info

Symbolic widget type EZ_WIDGET_TREE
Default class name "Tree"
Default instance name "tree"

Symbolic widget type EZ_WIDGET_ITREE
Default class name "ITree"
Default instance name "ITree"

Subwidgets Info

Subwidgets of Tree are listed below.


        ( iTree
 Tree-->( horizontalScrollbar
        ( verticalScrollbar


Widget Interface Routines

void EZ_GetListTreeWidgetComponents(EZ_Widget *widget, EZ_Widget **itr, EZ_Widget **hsc, EZ_Widget **vsc);

return the components of a Tree widget.

void EZ_SetListTreeWidgetTree(EZ_Widget *widget, EZ_TreeNode *tree);

set the tree object to be displayed in a tree widget.

EZ_TreeNode *EZ_GetListTreeWidgetTree(EZ_Widget *widget);

return the tree object displayed in a tree widget.

EZ_TreeNode *EZ_GetListTreeWidgetSelection(EZ_Widget *widget);

return the selected node in a tree widget.

void EZ_ListTreeWidgetSelectNode(EZ_Widget *widget, EZ_TreeNode *theNode, int *location);

set the selection in a tree widget and scroll to make the selection visible.

void EZ_ListTreeWidgetSelectNodeUsingItem(EZ_Widget *widget, EZ_Item *theItem, int *location);

set the selection in a tree widget and scroll to make the selection visible.

void EZ_UpdateDirTreeWidget(EZ_Widget *widget);

if directory tree is displayed, update the directory tree.

void EZ_GetListTreeWidgetXYOffset (EZ_Widget *widget, int *x, int *y);

return the XY display offset of a tree widget.

void EZ_SetListTreeWidgetXYOffset (EZ_Widget *widget, int x, int y);

set the XY display offset of a tree widget and update the display.

EZ_TreeNode *EZ_ListTreeFindNodeAtXY(EZ_Widget *tree, int x, int y);

find and return the node displayed at the specified location.

void EZ_SetTreeWidgetRowBg(EZ_Widget *widget, int onoff, char *bg1, char *bg2);

set the alternating background colors for a tree widget.

Screenshot

Resources

Config_Option ResourceName DefaultValue
EZ_CLASS class "Tree"
or "ITree"
EZ_NAME name "tree"
or "iTree"

EZ_X x
EZ_Y y
EZ_WIDTH width
EZ_HEIGHT height

EZ_LOCATION location
EZ_SIZE size
EZ_GEOMETRY geometry

EZ_WIDTH_HINT widthHint
EZ_HEIGHT_HINT heightHint
EZ_SIZE_HINT sizeHint

EZ_BORDER_WIDTH borderWidth 0
EZ_BORDER_TYPE borderType none
EZ_FOCUS_PAD focusPad 0

EZ_PADX padx 0
EZ_PADY pady 0
EZ_IPADX iPadx 0
EZ_IPADY iPady 0

EZ_CURSOR cursor "XC_left_ptr"
EZ_BUBBLE_STRING bubbleString null

EZ_CALLBACK N/A null null
EZ_MOTION_CALLBACK N/A null null
EZ_DESTROY_CALLBACK N/A null null
EZ_EVENT_HANDLER N/A null null

EZ_FOREGROUND foreground "black"
EZ_BACKGROUND background "gray74
EZ_BG_IMAGE_FILE bgImageFile null
EZ_BG_PIXMAP N/A none

EZ_BG_IMAGE_FILE_B bgImageFileB null
EZ_BG_PIXMAP_B N/A none
EZ_CLIENT_PTR_DATA N/A null
EZ_CLIENT_INT_DATA clientIntData 0

EZ_DND_DRAG_CURSOR dndDragCursor none
EZ_DND_BUBBLE_STRING dndBubbleString null

EZ_SCROLLBAR_WIDTH scrollbarWidth 10
EZ_SCROLLBAR_BORDER_WIDTH scrollbarBorderWidth 2
EZ_HSCROLL_INCREMENT hScrollIncrement 1
EZ_VSCROLL_INCREMENT vScrollIncrement 1

EZ_SELECTION_BACKGROUND selectionBackground
EZ_SELECTION_FOREGROUND selectionForeground
EZ_TEXT_BACKGROUND textBackground

EZ_OPTIONAL_HSCROLLBAR optionalHScrollbar true
EZ_OPTIONAL_VSCROLLBAR optionalVScrollbar true

EZ_CHECK_BUTTON_ON_VALUE checkButtonOnValue 1
EZ_CHECK_BUTTON_OFF_VALUE checkButtonOffValue 0
EZ_CHECK_BUTTON_ON_OFF checkButtonOnOff off

EZ_RADIO_BUTTON_GROUP radioButtonGroup
EZ_RADIO_BUTTON_VALUE radioButtonValue

EZ_HIGHLIGHT_MODE highlightMode 0
EZ_ROW_BG rowBg off nil nil

EZ_RUBBER_BAND rubberBand false


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