diff options
Diffstat (limited to 'src/Fl.cxx')
| -rw-r--r-- | src/Fl.cxx | 200 |
1 files changed, 158 insertions, 42 deletions
diff --git a/src/Fl.cxx b/src/Fl.cxx index ca0676f62..22ad0353a 100644 --- a/src/Fl.cxx +++ b/src/Fl.cxx @@ -18,7 +18,7 @@ Implementation of the member functions of class Fl. */ -#include <FL/Fl.H> +#include "Fl_Private.H" #include <FL/platform.H> #include "Fl_Screen_Driver.H" #include "Fl_Window_Driver.H" @@ -71,10 +71,10 @@ void *Fl::e_clipboard_data = NULL; Fl_Event_Dispatch Fl::e_dispatch = 0; Fl_Callback_Reason Fl::callback_reason_ = FL_REASON_UNKNOWN; -unsigned char Fl::options_[] = { 0, 0 }; -unsigned char Fl::options_read_ = 0; +unsigned char Fl::Private::options_[] = { 0, 0 }; +unsigned char Fl::Private::options_read_ = 0; -int Fl::selection_to_clipboard_ = 0; +int Fl::Private::selection_to_clipboard_ = 0; Fl_Window *fl_xfocus = NULL; // which window X thinks has focus Fl_Window *fl_xmousewin; // which window X thinks has FL_ENTER @@ -86,6 +86,45 @@ Fl_Window *Fl::modal_; // topmost modal() window char const * const Fl::clipboard_plain_text = "text/plain"; char const * const Fl::clipboard_image = "image"; +/** + Copies selections on X11 directly to the clipboard if enabled. + + This method can be called on all platforms. Other platforms than X11 are + not affected by this feature. + + If this is switched on (\p mode = 1), Fl::copy() copies all data to the + clipboard regardless of its \p destination argument. If the destination is 0 + (selection buffer) data is copied to both the selection buffer and the clipboard. + + Drag and drop is also affected since drag-and-drop data is copied to the selection + buffer. + + You can use this to make the experience of data selection and copying more like + that on other platforms (Windows, macOS, and even Wayland). + + The default operation mode is the standard X11 behavior (disabled). + + \note This feature is experimental and enabling it may have unexpected side effects. + It is your own responsibility if you enable it. + + \since 1.4.0 + + \param[in] mode 1 = enable selection_to_clipboard, 0 = disable selection_to_clipboard + + \see copy(const char *, int, int, const char *) +*/ +void Fl::selection_to_clipboard(int mode) { + Private::selection_to_clipboard_ = mode ? 1 : 0; +} + +/** + \brief Returns the current selection_to_clipboard mode. + + \see void selection_to_clipboard(int) +*/ +int Fl::selection_to_clipboard() { + return Private::selection_to_clipboard_; +} // // Drivers @@ -500,7 +539,7 @@ int Fl::has_check(Fl_Timeout_Handler cb, void *argp) { return 0; } -void Fl::run_checks() +void Fl::Private::run_checks() { // checks are a bit messy so that add/remove and wait may be called // from inside them without causing an infinite loop: @@ -580,7 +619,23 @@ void fl_trigger_clipboard_notify(int source) { //////////////////////////////////////////////////////////////// // idle/wait/run/check/ready: -void (*Fl::idle_)(); // see Fl::add_idle.cxx for the add/remove functions +void (*Fl::Private::idle_)(); // see Fl::add_idle.cxx for the add/remove functions + +/** + Returns whether at least one idle callback is currently set. + + \c true means that at least one callback is currently queued, but + not necessarily active. While a callback is being executed, it is + also counted as "set" unless (i.e. before) it removes itself from + the idle callback queue (ring). + + \return whether an idle callback is currently set + \retval true At least one idle callback is currently set. + \retval false No idle callback is currently set. + */ +bool Fl::idle() { + return (Private::idle_ != nullptr); +} /* Private, undocumented method to run idle callbacks. @@ -598,7 +653,7 @@ void (*Fl::idle_)(); // see Fl::add_idle.cxx for the add/remove functions the first idle callback and appends it to the end of the list of idle callbacks. For details see static function call_idle() in Fl_add_idle.cxx. - If it is NULL then no idle callbacks are active and Fl::run_idle() returns + If it is NULL then no idle callbacks are active and Fl::Private::run_idle() returns immediately. Note: idle callbacks can be queued in nested FLTK event loops like @@ -609,11 +664,11 @@ void (*Fl::idle_)(); // see Fl::add_idle.cxx for the add/remove functions if an event (timeout or button click etc.) handler calls Fl::add_idle() or even in Fl::flush() if a draw() method calls Fl::add_idle(). */ -void Fl::run_idle() { +void Fl::Private::run_idle() { static char in_idle; - if (Fl::idle_ && !in_idle) { + if (Fl::Private::idle_ && !in_idle) { in_idle = 1; - Fl::idle_(); // call the idle callback stored in Fl::idle_ == Fl::idle() + Fl::Private::idle_(); // call the idle callback stored in Fl::Private::idle_ == Fl::idle() in_idle = 0; } } @@ -733,7 +788,27 @@ void Fl::hide_all_windows() { } } -int Fl::program_should_quit_ = 0; +int Fl::Private::program_should_quit_ = 0; + +/** Returns non-zero when a request for program termination was received and accepted. + On the MacOS platform, the "Quit xxx" item of the application menu is such a request, + that is considered accepted when all windows are closed. On other platforms, this function + returns 0 until \p Fl::program_should_quit(1) is called. + \version 1.4.0 + */ +int Fl::program_should_quit() { + return Private::program_should_quit_; +} + +/** Indicate to the FLTK library whether a program termination request was received and accepted. + A program may set this to 1, for example, while performing a platform-independent command asking the program to cleanly + terminate, similarly to the "Quit xxx" item of the application menu under MacOS. + \version 1.4.0 + */ +void Fl::program_should_quit(int should_i) { + Private::program_should_quit_ = should_i; +} + //////////////////////////////////////////////////////////////// // Window list management: @@ -2046,74 +2121,74 @@ void Fl::clear_widget_pointer(Fl_Widget const *w) */ bool Fl::option(Fl_Option opt) { - if (!options_read_) { + if (!Private::options_read_) { int tmp; { // first, read the system wide preferences Fl_Preferences prefs(Fl_Preferences::CORE_SYSTEM, "fltk.org", "fltk"); Fl_Preferences opt_prefs(prefs, "options"); opt_prefs.get("ArrowFocus", tmp, 0); // default: off - options_[OPTION_ARROW_FOCUS] = tmp; + Private::options_[OPTION_ARROW_FOCUS] = tmp; //opt_prefs.get("NativeFilechooser", tmp, 1); // default: on - //options_[OPTION_NATIVE_FILECHOOSER] = tmp; + //Private::options_[OPTION_NATIVE_FILECHOOSER] = tmp; //opt_prefs.get("FilechooserPreview", tmp, 1); // default: on - //options_[OPTION_FILECHOOSER_PREVIEW] = tmp; + //Private::options_[OPTION_FILECHOOSER_PREVIEW] = tmp; opt_prefs.get("VisibleFocus", tmp, 1); // default: on - options_[OPTION_VISIBLE_FOCUS] = tmp; + Private::options_[OPTION_VISIBLE_FOCUS] = tmp; opt_prefs.get("DNDText", tmp, 1); // default: on - options_[OPTION_DND_TEXT] = tmp; + Private::options_[OPTION_DND_TEXT] = tmp; opt_prefs.get("ShowTooltips", tmp, 1); // default: on - options_[OPTION_SHOW_TOOLTIPS] = tmp; + Private::options_[OPTION_SHOW_TOOLTIPS] = tmp; opt_prefs.get("FNFCUsesGTK", tmp, 1); // default: on - options_[OPTION_FNFC_USES_GTK] = tmp; + Private::options_[OPTION_FNFC_USES_GTK] = tmp; opt_prefs.get("PrintUsesGTK", tmp, 1); // default: on - options_[OPTION_PRINTER_USES_GTK] = tmp; + Private::options_[OPTION_PRINTER_USES_GTK] = tmp; opt_prefs.get("ShowZoomFactor", tmp, 1); // default: on - options_[OPTION_SHOW_SCALING] = tmp; + Private::options_[OPTION_SHOW_SCALING] = tmp; opt_prefs.get("UseZenity", tmp, 0); // default: off - options_[OPTION_FNFC_USES_ZENITY] = tmp; + Private::options_[OPTION_FNFC_USES_ZENITY] = tmp; opt_prefs.get("UseKdialog", tmp, 0); // default: off - options_[OPTION_FNFC_USES_KDIALOG] = tmp; + Private::options_[OPTION_FNFC_USES_KDIALOG] = tmp; opt_prefs.get("SimpleZoomShortcut", tmp, 0); // default: off - options_[OPTION_SIMPLE_ZOOM_SHORTCUT] = tmp; + Private::options_[OPTION_SIMPLE_ZOOM_SHORTCUT] = tmp; } { // next, check the user preferences // override system options only, if the option is set ( >= 0 ) Fl_Preferences prefs(Fl_Preferences::CORE_USER, "fltk.org", "fltk"); Fl_Preferences opt_prefs(prefs, "options"); opt_prefs.get("ArrowFocus", tmp, -1); - if (tmp >= 0) options_[OPTION_ARROW_FOCUS] = tmp; + if (tmp >= 0) Private::options_[OPTION_ARROW_FOCUS] = tmp; //opt_prefs.get("NativeFilechooser", tmp, -1); - //if (tmp >= 0) options_[OPTION_NATIVE_FILECHOOSER] = tmp; + //if (tmp >= 0) Private::options_[OPTION_NATIVE_FILECHOOSER] = tmp; //opt_prefs.get("FilechooserPreview", tmp, -1); - //if (tmp >= 0) options_[OPTION_FILECHOOSER_PREVIEW] = tmp; + //if (tmp >= 0) Private::options_[OPTION_FILECHOOSER_PREVIEW] = tmp; opt_prefs.get("VisibleFocus", tmp, -1); - if (tmp >= 0) options_[OPTION_VISIBLE_FOCUS] = tmp; + if (tmp >= 0) Private::options_[OPTION_VISIBLE_FOCUS] = tmp; opt_prefs.get("DNDText", tmp, -1); - if (tmp >= 0) options_[OPTION_DND_TEXT] = tmp; + if (tmp >= 0) Private::options_[OPTION_DND_TEXT] = tmp; opt_prefs.get("ShowTooltips", tmp, -1); - if (tmp >= 0) options_[OPTION_SHOW_TOOLTIPS] = tmp; + if (tmp >= 0) Private::options_[OPTION_SHOW_TOOLTIPS] = tmp; opt_prefs.get("FNFCUsesGTK", tmp, -1); - if (tmp >= 0) options_[OPTION_FNFC_USES_GTK] = tmp; + if (tmp >= 0) Private::options_[OPTION_FNFC_USES_GTK] = tmp; opt_prefs.get("PrintUsesGTK", tmp, -1); - if (tmp >= 0) options_[OPTION_PRINTER_USES_GTK] = tmp; + if (tmp >= 0) Private::options_[OPTION_PRINTER_USES_GTK] = tmp; opt_prefs.get("ShowZoomFactor", tmp, -1); - if (tmp >= 0) options_[OPTION_SHOW_SCALING] = tmp; + if (tmp >= 0) Private::options_[OPTION_SHOW_SCALING] = tmp; opt_prefs.get("UseZenity", tmp, -1); - if (tmp >= 0) options_[OPTION_FNFC_USES_ZENITY] = tmp; + if (tmp >= 0) Private::options_[OPTION_FNFC_USES_ZENITY] = tmp; opt_prefs.get("UseKdialog", tmp, -1); - if (tmp >= 0) options_[OPTION_FNFC_USES_KDIALOG] = tmp; + if (tmp >= 0) Private::options_[OPTION_FNFC_USES_KDIALOG] = tmp; opt_prefs.get("SimpleZoomShortcut", tmp, -1); - if (tmp >= 0) options_[OPTION_SIMPLE_ZOOM_SHORTCUT] = tmp; + if (tmp >= 0) Private::options_[OPTION_SIMPLE_ZOOM_SHORTCUT] = tmp; } { // now, if the developer has registered this app, we could ask for per-application preferences } - options_read_ = 1; + Private::options_read_ = 1; } if (opt<0 || opt>=OPTION_LAST) return false; - return (bool)(options_[opt]!=0); + return (bool)(Private::options_[opt]!=0); } /** @@ -2142,11 +2217,11 @@ void Fl::option(Fl_Option opt, bool val) { if (opt<0 || opt>=OPTION_LAST) return; - if (!options_read_) { + if (!Private::options_read_) { // make sure that the options_ array is filled in option(opt); } - options_[opt] = val; + Private::options_[opt] = val; } @@ -2169,9 +2244,50 @@ Fl_Widget_Tracker::~Fl_Widget_Tracker() Fl::release_widget_pointer(wp_); // remove pointer from watch list } -int Fl::use_high_res_GL_ = 0; +int Fl::Private::use_high_res_GL_ = 0; -int Fl::draw_GL_text_with_textures_ = 1; +/** sets whether GL windows should be drawn at high resolution on Apple + computers with retina displays + \version 1.3.4 + */ +void Fl::use_high_res_GL(int val) { + Private::use_high_res_GL_ = val; +} + +/** returns whether GL windows should be drawn at high resolution on Apple + computers with retina displays. + Default is no. + \version 1.3.4 + */ +int Fl::use_high_res_GL() { + return Private::use_high_res_GL_; +} + +int Fl::Private::draw_GL_text_with_textures_ = 1; + +/** sets whether OpenGL uses textures to draw all text. + By default, FLTK draws OpenGL text using textures, if the necessary + hardware support is available. Call \p Fl::draw_GL_text_with_textures(0) + once in your program before the first call to gl_font() to have FLTK + draw instead OpenGL text using a legacy, platform-dependent procedure. + It's recommended not to deactivate textures under the MacOS platform + because the MacOS legacy procedure is extremely rudimentary. + \param val use 0 to prevent FLTK from drawing GL text with textures + \see gl_texture_pile_height(int max) + \version 1.4.0 + */ +void Fl::draw_GL_text_with_textures(int val) { + Private::draw_GL_text_with_textures_ = val; +} + +/** returns whether whether OpenGL uses textures to draw all text. + Default is yes. + \see draw_GL_text_with_textures(int val) + \version 1.4.0 + */ +int Fl::draw_GL_text_with_textures() { + return Private::draw_GL_text_with_textures_; +} int Fl::dnd() { |