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-rw-r--r--FL/Fl_Tree_Item.H51
1 files changed, 44 insertions, 7 deletions
diff --git a/FL/Fl_Tree_Item.H b/FL/Fl_Tree_Item.H
index 81c73fd64..b51d90907 100644
--- a/FL/Fl_Tree_Item.H
+++ b/FL/Fl_Tree_Item.H
@@ -36,7 +36,8 @@
/// \brief This file contains the definitions for Fl_Tree_Item
///
-/// \brief Tree item
+/// \class Fl_Tree_Item
+/// \brief Tree widget item.
///
/// This class is a single tree item, and manages all of the item's attributes.
/// Fl_Tree_Item is used by Fl_Tree, which is comprised of many instances of Fl_Tree_Item.
@@ -51,13 +52,23 @@
/// When you make changes to items, you'll need to tell the tree to redraw()
/// for the changes to show up.
///
+class Fl_Tree;
class FL_EXPORT Fl_Tree_Item {
+#if FLTK_ABI_VERSION >= 10303
+ Fl_Tree *_tree; // parent tree
+#endif
const char *_label; // label (memory managed)
Fl_Font _labelfont; // label's font face
Fl_Fontsize _labelsize; // label's font size
Fl_Color _labelfgcolor; // label's fg color
Fl_Color _labelbgcolor; // label's bg color (0xffffffff is 'transparent')
+#if FLTK_ABI_VERSION >= 10303
+ /// \enum Fl_Tree_Item_Flags
+ enum Fl_Tree_Item_Flags {
+#else
+ /// \enum
enum {
+#endif
OPEN = 1<<0, ///> item is open
VISIBLE = 1<<1, ///> item is visible
ACTIVE = 1<<2, ///> item is active
@@ -86,12 +97,18 @@ class FL_EXPORT Fl_Tree_Item {
Fl_Tree_Item *_next_sibling; // next sibling (same level)
#endif /*FLTK_ABI_VERSION*/
protected:
+ void _Init(const Fl_Tree_Prefs &prefs, Fl_Tree *tree);
void show_widgets();
void hide_widgets();
void draw_vertical_connector(int x, int y1, int y2, const Fl_Tree_Prefs &prefs);
void draw_horizontal_connector(int x1, int x2, int y, const Fl_Tree_Prefs &prefs);
+ void recalc_tree();
+ const Fl_Tree_Item* find_clicked_(const Fl_Tree_Prefs &prefs, int yonly=0) const; // internal
public:
- Fl_Tree_Item(const Fl_Tree_Prefs &prefs); // CTOR
+ Fl_Tree_Item(const Fl_Tree_Prefs &prefs); // CTOR -- backwards compatible
+#if FLTK_ABI_VERSION >= 10303
+ Fl_Tree_Item(Fl_Tree *tree); // CTOR -- ABI 1.3.3+
+#endif
~Fl_Tree_Item(); // DTOR
Fl_Tree_Item(const Fl_Tree_Item *o); // COPY CTOR
int x() const { return(_xywh[0]); }
@@ -103,7 +120,12 @@ public:
int label_w() const { return(_label_xywh[2]); }
int label_h() const { return(_label_xywh[3]); }
int calc_item_height(const Fl_Tree_Prefs &prefs) const;
+#if FLTK_ABI_VERSION >= 10303
+ void draw(int X, int &Y, int W, Fl_Tree_Item *itemfocus,
+ int &tree_item_xmax, int lastchild=1, int render=1);
+#else
void draw(int X, int &Y, int W, Fl_Widget *tree, Fl_Tree_Item *itemfocus, const Fl_Tree_Prefs &prefs, int lastchild=1);
+#endif
void show_self(const char *indent = "") const;
void label(const char *val);
const char *label() const;
@@ -117,6 +139,7 @@ public:
/// Set item's label font face.
void labelfont(Fl_Font val) {
_labelfont = val;
+ recalc_tree(); // may change tree geometry
}
/// Get item's label font face.
Fl_Font labelfont() const {
@@ -125,6 +148,7 @@ public:
/// Set item's label font size.
void labelsize(Fl_Fontsize val) {
_labelsize = val;
+ recalc_tree(); // may change tree geometry
}
/// Get item's label font size.
Fl_Fontsize labelsize() const {
@@ -159,6 +183,7 @@ public:
/// Assign an FLTK widget to this item.
void widget(Fl_Widget *val) {
_widget = val;
+ recalc_tree(); // may change tree geometry
}
/// Return FLTK widget assigned to this item.
Fl_Widget *widget() const {
@@ -202,8 +227,10 @@ public:
Fl_Tree_Item *next_sibling();
Fl_Tree_Item *prev_sibling();
void update_prev_next(int index);
- Fl_Tree_Item *next_displayed(Fl_Tree_Prefs &prefs);
- Fl_Tree_Item *prev_displayed(Fl_Tree_Prefs &prefs);
+ Fl_Tree_Item *next_displayed(Fl_Tree_Prefs &prefs); // deprecated
+ Fl_Tree_Item *prev_displayed(Fl_Tree_Prefs &prefs); // deprecated
+ Fl_Tree_Item *next_visible(Fl_Tree_Prefs &prefs);
+ Fl_Tree_Item *prev_visible(Fl_Tree_Prefs &prefs);
/// Return the parent for this item. Returns NULL if we are the root.
Fl_Tree_Item *parent() {
@@ -219,6 +246,12 @@ public:
void parent(Fl_Tree_Item *val) {
_parent = val;
}
+#if FLTK_ABI_VERSION >= 10303
+ /// Return the tree for this item.
+ const Fl_Tree *tree() const {
+ return(_tree);
+ }
+#endif
//////////////////
// State
//////////////////
@@ -234,7 +267,7 @@ public:
}
/// Toggle the item's open/closed state.
void open_toggle() {
- is_open()?close():open();
+ is_open()?close():open(); // handles calling recalc_tree()
}
/// Change the item's selection state to the optionally specified 'val'.
/// If 'val' is not specified, the item will be selected.
@@ -335,6 +368,7 @@ public:
/// Set the item's user icon to an Fl_Image. '0' will disable.
void usericon(Fl_Image *val) {
_usericon = val;
+ recalc_tree(); // may change tree geometry
}
/// Get the item's user icon as an Fl_Image. Returns '0' if disabled.
Fl_Image *usericon() const {
@@ -343,8 +377,8 @@ public:
//////////////////
// Events
//////////////////
- const Fl_Tree_Item *find_clicked(const Fl_Tree_Prefs &prefs) const;
- Fl_Tree_Item *find_clicked(const Fl_Tree_Prefs &prefs);
+ const Fl_Tree_Item *find_clicked(const Fl_Tree_Prefs &prefs, int yonly=0) const;
+ Fl_Tree_Item *find_clicked(const Fl_Tree_Prefs &prefs, int yonly=0);
int event_on_collapse_icon(const Fl_Tree_Prefs &prefs) const;
int event_on_label(const Fl_Tree_Prefs &prefs) const;
/// Is this item the root of the tree?
@@ -357,6 +391,9 @@ protected:
#if FLTK_ABI_VERSION >= 10301
/// Set a flag to an on or off value. val is 0 or 1.
inline void set_flag(unsigned short flag,int val) {
+ if ( flag==OPEN || flag==VISIBLE ) {
+ recalc_tree(); // may change tree geometry
+ }
if ( val ) _flags |= flag; else _flags &= ~flag;
}
/// See if flag set. Returns 0 or 1.
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-06 03:02:32 +0000