26 #ifdef FLTK_HAVE_CAIRO
27 # include <FL/Fl_Cairo.H>
33 # define Fl_Object Fl_Widget
47 #if defined(WIN32) && !defined(__CYGWIN__)
49 # define FL_SOCKET unsigned __int64
51 # define FL_SOCKET int
54 # define FL_SOCKET int
133 static int e_is_click;
145 static int compose_state;
146 static void call_screen_init();
165 OPTION_ARROW_FOCUS = 0,
195 static unsigned char options_[OPTION_LAST];
196 static unsigned char options_read_;
203 static bool option(Fl_Option opt);
208 static void option(Fl_Option opt,
bool val);
217 static void (*idle)();
221 static void **awake_data_;
222 static int awake_ring_size_;
223 static int awake_ring_head_;
224 static int awake_ring_tail_;
225 static const char* scheme_;
228 static int e_original_keysym;
229 static int scrollbar_size_;
239 static double version();
242 static int arg(
int argc,
char **argv,
int& i);
243 static int args(
int argc,
char **argv,
int& i,
Fl_Args_Handler cb = 0);
244 static void args(
int argc,
char **argv);
252 static void display(
const char*);
253 static int visual(
int);
263 static int gl_visual(
int,
int *alist=0);
264 static void own_colormap();
265 static void get_system_colors();
271 static int scheme(
const char*);
273 static const char*
scheme() {
return scheme_;}
279 static int reload_scheme();
280 static int scrollbar_size();
281 static void scrollbar_size(
int W);
285 static double wait(
double time);
362 static void add_fd(
int fd,
int when,
Fl_FD_Handler cb,
void* = 0);
366 static void remove_fd(
int,
int when);
368 static void remove_fd(
int);
375 static void redraw();
397 static void (*warning)(
const char*, ...);
412 static void (*error)(
const char*, ...);
429 static void (*fatal)(
const char*, ...);
492 static int event() {
return e_number;}
535 static void get_mouse(
int &,
int &);
660 static int event_key(
int key);
666 static int get_key(
int key);
690 static int compose(
int &del);
691 static void compose_reset();
692 static int event_inside(
int,
int,
int,
int);
693 static int event_inside(
const Fl_Widget*);
729 static void copy(
const char* stuff,
int len,
int destination = 0);
747 static void paste(
Fl_Widget &receiver,
int source );
764 static void selection(
Fl_Widget &owner,
const char*,
int len);
781 static int screen_count();
790 screen_xywh(X, Y, W, H, x, y);
792 static void screen_xywh(
int &X,
int &Y,
int &W,
int &H,
int mx,
int my);
793 static void screen_xywh(
int &X,
int &Y,
int &W,
int &H,
int n);
794 static void screen_xywh(
int &X,
int &Y,
int &W,
int &H,
int mx,
int my,
int mw,
int mh);
795 static void screen_dpi(
float &h,
float &v,
int n=0);
796 static void screen_work_area(
int &X,
int &Y,
int &W,
int &H,
int mx,
int my);
797 static void screen_work_area(
int &X,
int &Y,
int &W,
int &H,
int n);
806 screen_work_area(X, Y, W, H, x, y);
822 static void set_color(
Fl_Color i,
unsigned c);
823 static unsigned get_color(
Fl_Color i);
830 static void free_color(
Fl_Color i,
int overlay = 0);
833 static const char* get_font(
Fl_Font);
846 static const char* get_font_name(
Fl_Font,
int* attributes = 0);
858 static int get_font_sizes(
Fl_Font,
int*& sizep);
859 static void set_font(
Fl_Font,
const char*);
879 static Fl_Font set_fonts(
const char* = 0);
903 static int draw_box_active();
911 static void default_atclose(
Fl_Window*,
void*);
1002 static void unlock();
1003 static void awake(
void* message = 0);
1012 static void* thread_message();
1045 static void delete_widget(
Fl_Widget *w);
1046 static void do_widget_deletion();
1047 static void watch_widget_pointer(
Fl_Widget *&w);
1048 static void release_widget_pointer(
Fl_Widget *&w);
1049 static void clear_widget_pointer(
Fl_Widget const *w);
1052 #ifdef FLTK_HAVE_CAIRO
1058 static cairo_t * cairo_make_current(
Fl_Window* w);
1083 static cairo_t *
cairo_cc() {
return cairo_state_.cc(); }
1088 static void cairo_cc(cairo_t * c,
bool own=
false){ cairo_state_.cc(c, own); }
1091 static cairo_t * cairo_make_current(
void* gc);
1092 static cairo_t * cairo_make_current(
void* gc,
int W,
int H);
1097 #endif // FLTK_HAVE_CAIRO
static Fl_Window * modal()
Returns the top-most modal() window currently shown.
Definition: Fl.H:448
void( Fl_Label_Measure_F)(const Fl_Label *label, int &width, int &height)
Signature of some label measurement functions passed as parameters.
Definition: Fl.H:76
This widget produces an actual window.
Definition: Fl_Window.H:49
static int event_is_click()
Returns non-zero if the mouse has not moved far enough and not enough time has passed since the last ...
Definition: Fl.H:560
#define FL_BUTTON2
Mouse button 2 is pushed.
Definition: Enumerations.H:434
static const char * scheme()
See void scheme(const char *name)
Definition: Fl.H:273
static Fl_Widget * focus()
Gets the current Fl::focus() widget.
Definition: Fl.H:708
static const char * event_text()
Returns the text associated with the current event, including FL_PASTE or FL_DND_RELEASE events...
Definition: Fl.H:681
static Fl_Widget * selection_owner()
back-compatibility only: Gets the widget owning the current selection
Definition: Fl.H:762
static int event_button1()
Returns non-zero if mouse button 1 is currently held down.
Definition: Fl.H:941
static void cairo_autolink_context(bool alink)
when FLTK_HAVE_CAIRO is defined and cairo_autolink_context() is true, any current window dc is linked...
Definition: Fl.H:1073
The Fl is the FLTK global (static) class containing state information and global methods for the curr...
Definition: Fl.H:119
void(* Fl_Timeout_Handler)(void *data)
Signature of some timeout callback functions passed as parameters.
Definition: Fl.H:82
static void release()
Releases the current grabbed window, equals grab(0).
Definition: Fl.H:965
static int event_y_root()
Returns the mouse position on the screen of the event.
Definition: Fl.H:516
void(* Fl_Idle_Handler)(void *data)
Signature of add_idle callback functions passed as parameters.
Definition: Fl.H:88
If visible focus is switched on, FLTK will draw a dotted rectangle inside the widget that will receiv...
Definition: Fl.H:180
static Fl_Widget * belowmouse()
Gets the widget that is below the mouse.
Definition: Fl.H:701
static int event()
Returns the last event that was processed.
Definition: Fl.H:492
header for Unicode and UTF8 chracter handling
#define FL_BUTTON3
Mouse button 3 is pushed.
Definition: Enumerations.H:435
static int event_y()
Returns the mouse position of the event relative to the Fl_Window it was passed to.
Definition: Fl.H:502
Fl_Image is the base class used for caching and drawing all kinds of images in FLTK.
Definition: Fl_Image.H:43
static int event_dx()
Returns the current horizontal mouse scrolling associated with the FL_MOUSEWHEEL event.
Definition: Fl.H:521
static void screen_work_area(int &X, int &Y, int &W, int &H)
Gets the bounding box of the work area of the screen that contains the mouse pointer.
Definition: Fl.H:803
If tooltips are enabled, hovering the mouse over a widget with a tooltip text will open a little tool...
Definition: Fl.H:188
Fl_Boxtype
Definition: Enumerations.H:469
static int event_button()
Gets which particular mouse button caused the current event.
Definition: Fl.H:574
static bool cairo_autolink_context()
Gets the current autolink mode for cairo support.
Definition: Fl.H:1081
#define FL_SHIFT
One of the shift keys is down.
Definition: Enumerations.H:423
This file contains type definitions and general enumerations.
#define FL_COMMAND
An alias for FL_CTRL on WIN32 and X11, or FL_META on MacOS X.
Definition: Enumerations.H:446
#define FL_Button
A mouse button; use Fl_Button + n for mouse button n.
Definition: Enumerations.H:337
void( Fl_Label_Draw_F)(const Fl_Label *label, int x, int y, int w, int h, Fl_Align align)
Signature of some label drawing functions passed as parameters.
Definition: Fl.H:73
void(* Fl_Atclose_Handler)(Fl_Window *window, void *data)
Signature of set_atclose functions passed as parameters.
Definition: Fl.H:103
If text drag-and-drop is enabled, the user can select and drag text from any text widget...
Definition: Fl.H:184
static void event_clicks(int i)
Manually sets the number returned by Fl::event_clicks().
Definition: Fl.H:552
static int event_clicks()
Returns non zero if we had a double click event.
Definition: Fl.H:544
static const char *const help
Usage string displayed if Fl::args() detects an invalid argument.
Definition: Fl.H:249
static int event_state(int i)
See int event_state()
Definition: Fl.H:600
static int event_state()
This is a bitfield of what shift states were on and what mouse buttons were held down during the most...
Definition: Fl.H:598
This struct stores all information for a text or mixed graphics label.
Definition: Fl_Widget.H:64
#define FL_CTRL
One of the ctrl keys is down.
Definition: Enumerations.H:425
static int event_original_key()
Returns the keycode of the last key event, regardless of the NumLock state.
Definition: Fl.H:621
static void screen_xywh(int &X, int &Y, int &W, int &H)
Gets the bounding box of a screen that contains the mouse pointer.
Definition: Fl.H:787
static int event_button3()
Returns non-zero if button 3 is currently held down.
Definition: Fl.H:951
static int visible_focus()
Gets or sets the visible keyboard focus on buttons and other non-text widgets.
Definition: Fl.H:979
static int event_dy()
Returns the current vertical mouse scrolling associated with the FL_MOUSEWHEEL event.
Definition: Fl.H:526
void(* Fl_FD_Handler)(FL_SOCKET fd, void *data)
Signature of add_fd functions passed as parameters.
Definition: Fl.H:94
static void get_mouse(int &, int &)
Return where the mouse is on the screen by doing a round-trip query to the server.
static void grab(Fl_Window &win)
See grab(Fl_Window*)
Definition: Fl.H:961
#define FL_ALT
One of the alt keys is down.
Definition: Enumerations.H:426
static int event_length()
Returns the length of the text in Fl::event_text().
Definition: Fl.H:688
static int event_command()
Returns non-zero if the FL_COMMAND key is pressed, either FL_CTRL or on OSX FL_META.
Definition: Fl.H:925
static void event_is_click(int i)
Clears the value returned by Fl::event_is_click().
Definition: Fl.H:567
void(* Fl_Abort_Handler)(const char *format,...)
Signature of set_abort functions passed as parameters.
Definition: Fl.H:100
unsigned int Fl_Color
an FLTK color value
Definition: Enumerations.H:774
Fl_Labeltype
The labeltype() method sets the type of the label.
Definition: Enumerations.H:611
int Fl_Font
A font number is an index into the internal font table.
Definition: Enumerations.H:717
void( Fl_Box_Draw_F)(int x, int y, int w, int h, Fl_Color color)
Signature of some box drawing functions passed as parameters.
Definition: Fl.H:79
static int event_x_root()
Returns the mouse position on the screen of the event.
Definition: Fl.H:509
#define FL_BUTTON1
Mouse button 1 is pushed.
Definition: Enumerations.H:433
unsigned Fl_Align
FLTK type for alignment control.
Definition: Enumerations.H:668
static void dnd_text_ops(int v)
Gets or sets whether drag and drop text operations are supported.
Definition: Fl.H:988
static void cairo_cc(cairo_t *c, bool own=false)
Sets the current cairo context to c.
Definition: Fl.H:1088
static Fl_Window * grab()
Returns the window that currently receives all events.
Definition: Fl.H:454
static void damage(int d)
If true then flush() will do something.
Definition: Fl.H:151
void(* Fl_Old_Idle_Handler)()
Signature of set_idle callback functions passed as parameters.
Definition: Fl.H:91
static void visible_focus(int v)
Gets or sets the visible keyboard focus on buttons and other non-text widgets.
Definition: Fl.H:973
static int event_button2()
Returns non-zero if button 2 is currently held down.
Definition: Fl.H:946
void(* Fl_Awake_Handler)(void *data)
Signature of some wakeup callback functions passed as parameters.
Definition: Fl.H:85
int(* Fl_Event_Handler)(int event)
Signature of add_handler functions passed as parameters.
Definition: Fl.H:97
int(* Fl_Event_Dispatch)(int event, Fl_Window *w)
Signature of event_dispatch functions passed as parameters.
Definition: Fl.H:110
static Fl_Widget * pushed()
Gets the widget that is being pushed.
Definition: Fl.H:705
static void set_atclose(Fl_Atclose_Handler f)
For back compatibility, sets the Fl::atclose handler callback.
Definition: Fl.H:915
static cairo_t * cairo_cc()
Gets the current cairo context linked with a fltk window.
Definition: Fl.H:1083
Contains all the necessary info on the current cairo context.
Definition: Fl_Cairo.H:54
static int event_x()
Returns the mouse position of the event relative to the Fl_Window it was passed to.
Definition: Fl.H:497
Fl_Color color
text color
Definition: Fl_Widget.H:76
static int dnd_text_ops()
Gets or sets whether drag and drop text operations are supported.
Definition: Fl.H:995
static int event_shift()
Returns non-zero if the Shift key is pressed.
Definition: Fl.H:921
static int event_ctrl()
Returns non-zero if the Control key is pressed.
Definition: Fl.H:923
static int damage()
If true then flush() will do something.
Definition: Fl.H:374
static void set_idle(Fl_Old_Idle_Handler cb)
Sets an idle callback.
Definition: Fl.H:959
unsigned char uchar
unsigned char
Definition: fl_types.h:30
static int event_buttons()
Returns the mouse buttons state bits; if non-zero, then at least one button is pressed now...
Definition: Fl.H:936
unsigned int Fl_Shortcut
24-bit Unicode character + 8-bit indicator for keyboard flags
Definition: fl_types.h:46
static int event_key()
Gets which key on the keyboard was last pushed.
Definition: Fl.H:612
static void set_abort(Fl_Abort_Handler f)
For back compatibility, sets the void Fl::fatal handler callback.
Definition: Fl.H:909
static int event_alt()
Returns non-zero if the Alt key is pressed.
Definition: Fl.H:927
int(* Fl_Args_Handler)(int argc, char **argv, int &i)
Signature of args functions passed as parameters.
Definition: Fl.H:106