139 lines
4.7 KiB
C++
139 lines
4.7 KiB
C++
//
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// Definition of X11 Screen interface
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// for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2025 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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/**
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\file Fl_X11_Screen_Driver.H
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\brief Definition of X11 Screen interface
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*/
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#ifndef FL_X11_SCREEN_DRIVER_H
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#define FL_X11_SCREEN_DRIVER_H
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#include <config.h>
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#include "../Unix/Fl_Unix_Screen_Driver.H"
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#include <X11/Xlib.h>
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class Fl_Window;
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class Fl_X11_Screen_Driver : public Fl_Unix_Screen_Driver
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{
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friend class Fl_Screen_Driver;
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protected:
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typedef struct {
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short x_org;
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short y_org;
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short width;
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short height;
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#if USE_XFT || FLTK_USE_CAIRO
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float scale;
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#endif
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} FLScreenInfo;
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FLScreenInfo screens[MAX_SCREENS];
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float dpi[MAX_SCREENS][2];
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int get_mouse_unscaled(int &xx, int &yy);
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public:
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#if USE_XFT || FLTK_USE_CAIRO // scaling does not work without Xft
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float current_xft_dpi; // current value of the Xft.dpi X resource
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APP_SCALING_CAPABILITY rescalable() FL_OVERRIDE { return PER_SCREEN_APP_SCALING; }
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float scale(int n) FL_OVERRIDE {return screens[n].scale;}
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void scale(int n, float f) FL_OVERRIDE { screens[n].scale = f;}
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void desktop_scale_factor() FL_OVERRIDE;
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int screen_num_unscaled(int x, int y);
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#endif
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Fl_X11_Screen_Driver();
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static int ewmh_supported();
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static void copy_image(const unsigned char* data, int W, int H, int destination);
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// --- display management
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void display(const char *disp) FL_OVERRIDE;
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int XParseGeometry(const char*, int*, int*, unsigned int*, unsigned int*) FL_OVERRIDE;
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int poll_or_select_with_delay(double time_to_wait) FL_OVERRIDE;
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int poll_or_select() FL_OVERRIDE;
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void own_colormap() FL_OVERRIDE;
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const char *shortcut_add_key_name(unsigned key, char *p, char *buf, const char **) FL_OVERRIDE;
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int need_menu_handle_part1_extra() FL_OVERRIDE {return 1;}
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int need_menu_handle_part2() FL_OVERRIDE {return 1;}
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// these 2 are in Fl_get_key.cxx
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int event_key(int) FL_OVERRIDE;
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int get_key(int) FL_OVERRIDE;
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int visual(int flags) FL_OVERRIDE;
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// --- screen configuration
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void init_workarea();
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void init() FL_OVERRIDE;
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int x() FL_OVERRIDE;
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int y() FL_OVERRIDE;
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int w() FL_OVERRIDE;
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int h() FL_OVERRIDE;
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int x_from_right(int x) FL_OVERRIDE;
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int y_from_bottom(int y) FL_OVERRIDE;
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void screen_xywh(int &X, int &Y, int &W, int &H, int n) FL_OVERRIDE;
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void screen_dpi(float &h, float &v, int n=0) FL_OVERRIDE;
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void screen_work_area(int &X, int &Y, int &W, int &H, int n) FL_OVERRIDE;
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// --- audible output
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void beep(int type) FL_OVERRIDE;
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// --- global events
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void flush() FL_OVERRIDE;
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void grab(Fl_Window* win) FL_OVERRIDE;
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// --- global colors
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int parse_color(const char* p, uchar& r, uchar& g, uchar& b) FL_OVERRIDE;
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void get_system_colors() FL_OVERRIDE;
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const char *get_system_scheme() FL_OVERRIDE;
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int dnd(int unused) FL_OVERRIDE;
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int compose(int &del) FL_OVERRIDE;
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void compose_reset() FL_OVERRIDE;
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int text_display_can_leak() const FL_OVERRIDE;
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Fl_RGB_Image *read_win_rectangle(int X, int Y, int w, int h, Fl_Window *win, bool may_capture_subwins, bool *did_capture_subwins) FL_OVERRIDE;
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int get_mouse(int &x, int &y) FL_OVERRIDE;
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void open_display_platform() FL_OVERRIDE;
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void close_display() FL_OVERRIDE;
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// --- compute dimensions of an Fl_Offscreen
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void offscreen_size(Fl_Offscreen o, int &width, int &height) FL_OVERRIDE;
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void default_icons(const Fl_RGB_Image *icons[], int count) FL_OVERRIDE;
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// this one is in Fl_x.cxx
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void copy(const char *stuff, int len, int clipboard, const char *type) FL_OVERRIDE;
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// this one is in Fl_x.cxx
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void paste(Fl_Widget &receiver, int clipboard, const char *type) FL_OVERRIDE;
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// this one is in Fl_x.cxx
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int clipboard_contains(const char *type) FL_OVERRIDE;
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// this one is in Fl_x.cxx
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void clipboard_notify_change() FL_OVERRIDE;
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// for support of input methods
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static char fl_is_over_the_spot;
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static XRectangle fl_spot;
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static int fl_spotf;
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static int fl_spots;
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static XIM xim_im;
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static XIC xim_ic;
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static Window xim_win;
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static void new_ic();
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static void xim_activate(Window xid);
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static void xim_deactivate(void);
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static void init_xim();
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void enable_im() FL_OVERRIDE;
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void disable_im() FL_OVERRIDE;
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void set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win) FL_OVERRIDE;
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void reset_spot() FL_OVERRIDE;
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void set_status(int X, int Y, int W, int H) FL_OVERRIDE;
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};
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#endif // FL_X11_SCREEN_DRIVER_H
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