fltk/fluid/nodes/Widget_Node.h

139 lines
4.2 KiB
C++

//
// Widget Node header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2025 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
// Type for creating all subclasses of Fl_Widget
// This should have the widget pointer in it, but it is still in the
// Node base class.
#ifndef FLUID_NODES_WIDGET_NODE_H
#define FLUID_NODES_WIDGET_NODE_H
#include "nodes/Node.h"
#define NUM_EXTRA_CODE 4
class Widget_Node;
class Image_Asset;
extern void* const LOAD;
extern Node* current_node; // one of the selected ones
extern Widget_Node* current_widget; // one of the selected ones
extern const char* subclassname(Node* l);
extern int is_name(const char *c);
void selection_changed(Node* new_current);
Node *sort(Node *parent);
class Widget_Node : public Node
{
typedef Node super;
virtual Fl_Widget *widget(int,int,int,int) = 0;
virtual Widget_Node *_make() = 0; // virtual constructor
void setlabel(const char *) override;
const char *extra_code_[NUM_EXTRA_CODE];
const char *subclass_;
const char *tooltip_;
const char *image_name_;
const char *inactive_name_;
uchar hotspot_;
bool menu_headline_ { false };
protected:
/// This variable is set for visible windows in batch mode.
/// We can't open a window in batch mode, even if we want the "visible" flags
/// set, so we need a second place to store this information while also
/// disabling the output of the "hide" property by the Widget Type.
uchar override_visible_;
void write_static(fld::io::Code_Writer& f) override;
void write_code1(fld::io::Code_Writer& f) override;
void write_widget_code(fld::io::Code_Writer& f);
void write_extra_code(fld::io::Code_Writer& f);
void write_block_close(fld::io::Code_Writer& f);
void write_code2(fld::io::Code_Writer& f) override;
void write_color(fld::io::Code_Writer& f, const char*, Fl_Color);
Fl_Widget *live_widget;
public:
Fl_Widget *o;
int public_;
int bind_image_;
int compress_image_;
int bind_deimage_;
int compress_deimage_;
int scale_image_w_, scale_image_h_;
int scale_deimage_w_, scale_deimage_h_;
Image_Asset *image;
void setimage(Image_Asset *);
Image_Asset *inactive;
void setinactive(Image_Asset *);
Widget_Node();
Node *make(Strategy strategy) override;
void open() override;
const char *extra_code(int n) const {return extra_code_[n];}
void extra_code(int n,const char *);
const char *subclass() const {return subclass_;}
void subclass(const char *);
const char *tooltip() const {return tooltip_;}
void tooltip(const char *);
const char *image_name() const {return image_name_;}
void image_name(const char *);
const char *inactive_name() const {return inactive_name_;}
void inactive_name(const char *);
// Note: hotspot is misused by menu items to indicate a divider
uchar hotspot() const {return hotspot_;}
void hotspot(uchar v) {hotspot_ = v;}
uchar resizable() const;
void resizable(uchar v);
bool menu_headline() const { return menu_headline_; }
void menu_headline(bool v) { menu_headline_ = v; }
virtual int textstuff(int what, Fl_Font &, int &, Fl_Color &);
virtual Fl_Menu_Item *subtypes();
Type type() const override { return Type::Widget_; }
bool is_a(Type inType) const override { return (inType==Type::Widget_) ? true : super::is_a(inType); }
int is_widget() const override;
int is_true_widget() const override { return 1; }
int is_public() const override;
void write_properties(fld::io::Project_Writer &f) override;
void read_property(fld::io::Project_Reader &f, const char *) override;
int read_fdesign(const char*, const char*) override;
Fl_Widget *enter_live_mode(int top=0) override;
Fl_Widget *propagate_live_mode(Fl_Group* grp);
void leave_live_mode() override;
void copy_properties() override;
virtual void ideal_size(int &w, int &h);
~Widget_Node();
void redraw();
};
extern Fl_Window *the_panel;
#endif // FLUID_NODES_WIDGET_NODE_H