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//
// Definition of X11 window driver
// for the Fast Light Tool Kit (FLTK).
//
// Copyright 2010-2025 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
//
/**
\file Fl_X11_Window_Driver.H
\brief Definition of X11 window driver.
*/
#ifndef FL_X11_WINDOW_DRIVER_H
#define FL_X11_WINDOW_DRIVER_H
#include "../../Fl_Window_Driver.H"
#include <config.h>
#include <FL/platform.H> // for Cursor
#if FLTK_USE_CAIRO
typedef struct _cairo cairo_t;
#endif // FLTK_USE_CAIRO
class Fl_Bitmap;
/*
Move everything here that manages the native window interface.
There is one window driver for each Fl_Window. Window drivers manage window
actions such as resizing, events, decoration, fullscreen modes, etc. . All
drawing and rendering is managed by the Surface device and the associated
graphics driver.
- window specific event handling
- window types and styles, depth, etc.
- decorations
? where do we handle the interface between OpenGL/DirectX and Cocoa/Windows/Glx?
*/
class Fl_X11_Window_Driver : public Fl_Window_Driver
{
friend class Fl_X;
friend int fl_handle(const XEvent&);
private:
struct icon_data {
const void *legacy_icon;
Fl_RGB_Image **icons;
int count;
} *icon_;
struct shape_data_type {
int lw_; ///< width of shape image
int lh_; ///< height of shape image
Fl_Image* shape_; ///< shape image
Fl_Bitmap *effective_bitmap_; ///< auxiliary bitmap image
} *shape_data_;
#if USE_XFT || FLTK_USE_CAIRO
// --- support for screen-specific scaling factors
struct type_for_resize_window_between_screens {
int screen;
bool busy;
};
static type_for_resize_window_between_screens data_for_resize_window_between_screens_;
#endif // USE_XFT || FLTK_USE_CAIRO
#if FLTK_USE_CAIRO
cairo_t *cairo_;
#endif // FLTK_USE_CAIRO
bool decorated_win_size(int &w, int &h);
void combine_mask();
void shape_bitmap_(Fl_Image* b);
void shape_alpha_(Fl_Image* img, int offset) FL_OVERRIDE;
void flush_double(int erase_overlay);
void sendxjunk();
void activate_window();
public:
Fl_X11_Window_Driver(Fl_Window*);
~Fl_X11_Window_Driver() FL_OVERRIDE;
static inline Fl_X11_Window_Driver* driver(const Fl_Window *w) {return (Fl_X11_Window_Driver*)Fl_Window_Driver::driver(w);}
#if USE_XFT || FLTK_USE_CAIRO
static void resize_after_screen_change(void *data);
#endif // USE_XFT || FLTK_USE_CAIRO
// --- window data
int decorated_w() FL_OVERRIDE;
int decorated_h() FL_OVERRIDE;
const Fl_Image* shape() FL_OVERRIDE;
// --- window management
void makeWindow() FL_OVERRIDE;
void take_focus() FL_OVERRIDE;
void flush_double() FL_OVERRIDE;
void flush_overlay() FL_OVERRIDE;
void draw_begin() FL_OVERRIDE;
void make_current() FL_OVERRIDE;
void show() FL_OVERRIDE;
void resize(int X,int Y,int W,int H) FL_OVERRIDE;
void label(const char *name, const char *mininame) FL_OVERRIDE;
void hide() FL_OVERRIDE;
void map() FL_OVERRIDE;
void unmap() FL_OVERRIDE;
void fullscreen_on() FL_OVERRIDE;
void fullscreen_off(int X, int Y, int W, int H) FL_OVERRIDE;
void maximize() FL_OVERRIDE;
void un_maximize() FL_OVERRIDE;
void use_border() FL_OVERRIDE;
void size_range() FL_OVERRIDE;
void iconize() FL_OVERRIDE;
void decoration_sizes(int *top, int *left, int *right, int *bottom) FL_OVERRIDE;
void show_with_args_begin() FL_OVERRIDE;
void show_with_args_end(int argc, char **argv) FL_OVERRIDE;
// --- window cursor stuff
int set_cursor(Fl_Cursor) FL_OVERRIDE;
int set_cursor(const Fl_RGB_Image*, int, int) FL_OVERRIDE;
void shape(const Fl_Image* img) FL_OVERRIDE;
void icons(const Fl_RGB_Image *icons[], int count) FL_OVERRIDE;
const void *icon() const FL_OVERRIDE;
void icon(const void * ic) FL_OVERRIDE;
void free_icons() FL_OVERRIDE;
void set_icons(); // driver-internal support function
void capture_titlebar_and_borders(Fl_RGB_Image*& top, Fl_RGB_Image*& left, Fl_RGB_Image*& bottom, Fl_RGB_Image*& right) FL_OVERRIDE;
int scroll(int src_x, int src_y, int src_w, int src_h, int dest_x, int dest_y, void (*draw_area)(void*, int,int,int,int), void* data) FL_OVERRIDE;
fl_uintptr_t os_id() FL_OVERRIDE;
};
#endif // FL_X11_WINDOW_DRIVER_H
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