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-// "$Id: Widget.h 6518 2008-11-11 22:31:26Z spitzak $"
-//
-// Copyright 1998-2006 by Bill Spitzak and others.
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-// USA.
-//
-// Please report all bugs and problems to "fltk-bugs@fltk.org".
-
-#ifndef fltk_Widget_h
-#define fltk_Widget_h
-
-#include "Style.h"
-#include "Rectangle.h"
-
-namespace fltk {
-
-class FL_API Widget;
-class FL_API Window;
-class FL_API Symbol;
-class FL_API Group;
-class FL_API AssociationType;
-class FL_API AssociationFunctor;
-struct Cursor;
-
-typedef void (Callback )(Widget*, void*);
-typedef Callback* Callback_p; // needed for BORLAND
-typedef void (Callback0)(Widget*);
-typedef void (Callback1)(Widget*, long);
-
-#ifdef FLTK_1_WIDGET // back-compatability section:
-FL_API Font* font(int);
-#endif
-
-class FL_API Widget : public Rectangle {
- // disable the copy assignment/constructors:
- Widget & operator=(const Widget &);
- Widget(const Widget &);
-
-public:
-
- Widget(int,int,int,int,const char* =0);
- virtual ~Widget();
-
- virtual void draw();
- virtual int handle(int);
- int send(int event);
- virtual void layout();
-
- const Style* style() const { return style_; }
- void style(const Style* s) { style_ = s; }
- void style(const Style& s) { style_ = &s; }
- bool copy_style(const Style* s);
- static NamedStyle* default_style;
- static Symbol* default_glyph;
-
- Group* parent() const { return parent_; }
- void parent(Group* w) { parent_ = w; }
- Window* window() const ;
-
- enum WidgetVisualType {
- // Values for type() shared by Button and menu Item, and for fake RTTI:
- RESERVED_TYPE = 0x64,
- TOGGLE = RESERVED_TYPE+1,
- RADIO = RESERVED_TYPE+2,
- GROUP_TYPE = 0xe0,
- WINDOW_TYPE = 0xf0
- };
-
- uchar type() const { return type_; }
- void type(uchar t) { type_ = t; }
- bool is_group() const { return type_ >= GROUP_TYPE; }
- bool is_window() const { return type_ >= WINDOW_TYPE; }
-
- bool resize(int x,int y,int w,int h);
- bool position(int x, int y) ;
- bool resize(int w, int h) ;
-
- void get_absolute_rect( Rectangle *rect ) const;
-
- const char* label() const { return label_; }
- void label(const char* a);
- void copy_label(const char* a);
-
- const Symbol* image() const { return image_; }
- void image(const Symbol* a) { image_ = a; }
- void image(const Symbol& a) { image_ = &a; }
-
- const char *tooltip() const { return tooltip_; }
- void tooltip(const char *t) { tooltip_ = t; }
-
- unsigned shortcut() const ;
- void shortcut(unsigned key) ;
- bool add_shortcut(unsigned key);
- bool remove_shortcut(unsigned key);
- void remove_shortcuts() ;
- unsigned label_shortcut() const;
- bool test_label_shortcut() const;
- bool test_shortcut() const ;
- bool test_shortcut(bool) const;
-
- Callback_p callback() const { return callback_; }
- void callback(Callback* c, void* p) { callback_=c; user_data_=p; }
- void callback(Callback* c) { callback_=c; }
- void callback(Callback0*c) { callback_=(Callback*)c; }
- void callback(Callback1*c, long p=0) { callback_=(Callback*)c; user_data_=(void*)p; }
- void* user_data() const { return user_data_; }
- void user_data(void* v) { user_data_ = v; }
- long argument() const { return (long)user_data_; }
- void argument(long v) { user_data_ = (void*)v; }
- uchar when() const { return when_; }
- void when(uchar i) { when_ = i; }
-
- static void default_callback(Widget*, void*);
- void do_callback() { callback_(this,user_data_); }
- void do_callback(Widget* o,void* arg=0) { callback_(o,arg); }
- void do_callback(Widget* o,long arg) { callback_(o,(void*)arg); }
- bool contains(const Widget*) const;
- bool inside(const Widget* o) const { return o && o->contains(this); }
- bool pushed() const ;
- bool focused() const ;
- bool belowmouse() const ;
-
- Flags flags() const { return flags_; }
- void flags(Flags f) { flags_ = f; }
- void set_flag(unsigned f) { flags_ |= f; }
- void clear_flag(unsigned f) { flags_ &= ~f; }
- void invert_flag(unsigned f) { flags_ ^= f; }
- void set_flag(unsigned f,bool b) { flags_ = (flags_&~f)|(b?f:0); }
- bool flag(unsigned f) const { return (flags_ & f) != 0; }
- bool any_of(unsigned f) const{ return (flags_ & f) != 0; }
- bool all_of(unsigned f) const{ return (flags_ & f) == f; }
-
- bool state() const { return flag(STATE); }
- bool state(bool);
- bool set() { return state(true); }
- bool clear() { return state(false); }
- void setonly();
-
- Flags align() const { return flags_&ALIGN_MASK; }
- void align(unsigned a) { flags_ = (flags_ & (~ALIGN_MASK)) | a; }
- bool visible() const { return !flag(INVISIBLE); }
- bool visible_r() const ;
- void show() ;
- void hide() ;
- void set_visible() { clear_flag(INVISIBLE); }
- void clear_visible() { set_flag(INVISIBLE); }
- bool active() const { return !flag(INACTIVE); }
- bool active_r() const ;
- void activate() ;
- void activate(int b) { if (b) activate(); else deactivate(); }
- void deactivate() ;
- bool output() const { return flag(OUTPUT); }
- void set_output() { set_flag(OUTPUT); }
- void clear_output() { clear_flag(OUTPUT); }
- bool takesevents() const { return !any_of(OUTPUT|INVISIBLE|INACTIVE); }
- bool changed() const { return flag(CHANGED); }
- void set_changed() { set_flag(CHANGED); }
- void clear_changed() { clear_flag(CHANGED); }
- bool selected() const { return flag(SELECTED); }
- void set_selected() { set_flag(SELECTED); }
- void clear_selected() { clear_flag(SELECTED); }
- bool click_to_focus() { return flag(CLICK_TO_FOCUS); }
- void set_click_to_focus() { set_flag(CLICK_TO_FOCUS); }
- void clear_click_to_focus() { clear_flag(CLICK_TO_FOCUS); }
- bool tab_to_focus() { return flag(TAB_TO_FOCUS); }
- void set_tab_to_focus() { set_flag(TAB_TO_FOCUS); }
- void clear_tab_to_focus() { clear_flag(TAB_TO_FOCUS|CLICK_TO_FOCUS); }
- bool horizontal() const { return !flag(LAYOUT_VERTICAL);}
- bool vertical() const { return flag(LAYOUT_VERTICAL);}
- void set_horizontal() { clear_flag(LAYOUT_VERTICAL); }
- void set_vertical() { set_flag(LAYOUT_VERTICAL); }
-
- bool take_focus() ;
- void throw_focus() ;
-
- void redraw() ;
- void redraw(uchar c) ;
- void redraw_label() ;
- void redraw_highlight() ;
- void redraw(const Rectangle&);
- uchar damage() const { return damage_; }
- void set_damage(uchar c) { damage_ = c; } // should be called damage(c)
-
- void relayout() ;
- void relayout(uchar damage) ;
- uchar layout_damage() const { return layout_damage_; }
- void layout_damage(uchar c) { layout_damage_ = c; }
-
- void add_timeout(float) ;
- void repeat_timeout(float) ;
- void remove_timeout() ;
-
- void make_current() const ;
- void draw_background() const ;
- void draw_frame() const ;
- void draw_box() const ;
- void draw_box(const Rectangle& r) const ; // multiple boxes drawing for a single Widget
- void draw_label() const ;
- void draw_label(const Rectangle&, Flags) const ;
- void draw_glyph(int, const Rectangle&) const ;
- void cursor(Cursor*) const ;
-
- void measure_label(int&, int&) const ;
-
- Box* box() const;
- Box* buttonbox() const;
- Symbol* glyph() const;
- Font* labelfont() const;
- Font* textfont() const;
- LabelType* labeltype() const;
- Color color() const;
- Color textcolor() const;
- Color selection_color() const;
- Color selection_textcolor() const;
- Color buttoncolor() const;
- Color labelcolor() const;
- Color highlight_color() const;
- Color highlight_textcolor() const;
- float labelsize() const;
- float textsize() const;
- float leading() const;
- unsigned char scrollbar_align() const;
- unsigned char scrollbar_width() const;
-
- void box(Box*) ;
- void buttonbox(Box*) ;
- void glyph(Symbol*) ;
- void labelfont(Font*) ;
- void textfont(Font*) ;
- void labeltype(LabelType*) ;
- void color(Color) ;
- void textcolor(Color a) ;
- void selection_color(Color) ;
- void selection_textcolor(Color);
- void buttoncolor(Color) ;
- void labelcolor(Color) ;
- void highlight_color(Color) ;
- void highlight_textcolor(Color);
- void labelsize(float a) ;
- void textsize(float a) ;
- void leading(float a) ;
- void scrollbar_align(unsigned char);
- void scrollbar_width(unsigned char);
-
- void add(const AssociationType&, void* data);
- void set(const AssociationType&, void* data);
- void* get(const AssociationType&) const;
- void* foreach(const AssociationType&, AssociationFunctor&) const;
- bool remove(const AssociationType&, void* data);
- bool find(const AssociationType&, void* data) const;
-
-#ifdef FLTK_1_WIDGET // back-compatability section:
-
- Box* down_box() const { return box(); }
- Box* slider() const { return buttonbox(); }
- Box* box2() const { return box(); }
- Box* fly_box() const { return box(); }
- Color color2() const { return selection_color(); }
- Color color3() const { return buttoncolor(); }
- Color down_labelcolor() const { return selection_textcolor(); }
- Color fly_color() const { return highlight_color(); }
- Color selected_textcolor() const { return selection_textcolor(); }
- Color cursor_color() const { return selection_color(); }
- float text_size() const { return textsize(); }
- float label_size() const { return labelsize(); }
-
- void down_box(Box* a) { box(a); }
- void slider(Box* a) { buttonbox(a); }
- void fly_box(Box*) { }
- void color(Color a, Color b) { color(a); selection_color(b); }
- void color2(Color a) { selection_color(a); }
- void color3(Color a) { buttoncolor(a); }
- void down_labelcolor(Color a) { selection_textcolor(a); }
- void labelfont(unsigned a) { labelfont(font(a)); }
- void fly_color(Color a) { highlight_color(a); }
- void textfont(unsigned a) { textfont(font(a)); }
- void selected_textcolor(Color a) { selection_textcolor(a); }
- void cursor_color(Color a) { selection_color(a); }
- void text_size(float n) { textsize(n); }
- void label_size(float n) { labelsize(n); }
-
-#endif
-
-private:
-
- const char* label_;
- const Symbol* image_;
- unsigned flags_;
- const Style* style_;
- Callback* callback_;
- void* user_data_;
- const char* tooltip_; // make this into another widget?
- Group* parent_;
- uchar type_;
- uchar damage_;
- uchar layout_damage_;
- uchar when_;
-
-};
-
-enum { // Widget::when() values
- WHEN_NEVER = 0,
- WHEN_CHANGED = 1,
- WHEN_RELEASE = 4,
- WHEN_RELEASE_ALWAYS = 6,
- WHEN_ENTER_KEY = 8,
- WHEN_ENTER_KEY_ALWAYS =10,
- WHEN_ENTER_KEY_CHANGED=11,
- WHEN_NOT_CHANGED = 2 // modifier bit to disable changed() test
-};
-
-}
-
-#endif
-
-//
-// End of "$Id: Widget.h 6518 2008-11-11 22:31:26Z spitzak $".
-//
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