Mercurial > octave-libtiff
view libinterp/dldfcn/__init_fltk__.cc @ 30760:fc530ec01070 stable
also use auto_shlib for fltk and gnuplot graphics toolkit objects
* __init_fltk__.cc
(fltk_graphics_toolkit::m_containing_dynamic_library): New data member.
(fltk_graphics_toolkit::fltk_graphics_toolkit): Initialize it.
(fltk_graphics_toolkit::~fltk_graphics_toolkit): Call
m_containing_dynamic_library.delete_later to defer closing
__init_flkt__.oct until after all flkt_graphics_toolkit objects have
been deleted.
(F__init_fltk__): Don't call interp.mlock.
* __init_gnuplot__.cc
(gnuplot_graphics_toolkit::m_containing_dynamic_library): New data member.
(gnuplot_graphics_toolkit::gnuplot_graphics_toolkit): Initialize it.
(gnuplot_graphics_toolkit::~gnuplot_graphics_toolkit): Call
m_containing_dynamic_library.delete_later to defer closing
__init_flkt__.oct until after all flkt_graphics_toolkit objects have
been deleted.
(F__init_gnuplot__): Don't call interp.mlock.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 18 Feb 2022 16:06:58 -0500 |
parents | 796f54d4ddbf |
children | c3d2ce86b2d8 db0335e1b6e0 |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2007-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// /* To initialize: graphics_toolkit ("fltk"); plot (randn (1e3, 1)); */ // PKG_ADD: if (__have_feature__ ("FLTK") && __have_feature__ ("OPENGL") && have_window_system () && ! (ismac () && __event_manager_enabled__ ())) register_graphics_toolkit ("fltk"); endif #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "auto-shlib.h" #include "defun-dld.h" #include "error.h" #include "errwarn.h" #if defined (HAVE_X_WINDOWS) # include <X11/Xlib.h> #endif #include <cmath> #include <locale> #include <map> #include <sstream> #include <string> #include <vector> #if defined (WIN32) # define WIN32_LEAN_AND_MEAN #endif #if defined (HAVE_FLTK) # include <FL/Fl.H> # include <FL/Fl_Box.H> # include <FL/Fl_Button.H> # include <FL/Fl_Choice.H> # include <FL/Fl_File_Chooser.H> # include <FL/Fl_Gl_Window.H> # include <FL/names.h> # include <FL/Fl_Menu_Bar.H> # include <FL/Fl_Menu_Button.H> # include <FL/Fl_Output.H> # include <FL/Fl_Window.H> # include <FL/fl_ask.H> # include <FL/fl_draw.H> # include <FL/gl.h> #endif // FLTK headers may include X11/X.h which defines Complex, and that // conflicts with Octave's Complex typedef. We don't need the X11 // Complex definition in this file, so remove it before including Octave // headers which may require Octave's Complex typedef. #undef Complex #include "Array.h" #include "cmd-edit.h" #include "dColVector.h" #include "dMatrix.h" #include "lo-ieee.h" #include "oct-env.h" #include "Cell.h" #include "builtin-defun-decls.h" #include "display.h" #include "gl-render.h" #include "gl2ps-print.h" #include "graphics.h" #include "gtk-manager.h" #include "interpreter-private.h" #include "interpreter.h" #include "oct-map.h" #include "oct-opengl.h" #include "ov-fcn-handle.h" #include "ov.h" #include "ovl.h" #include "parse.h" #include "variables.h" OCTAVE_NAMESPACE_BEGIN #if defined (HAVE_FLTK) #define FLTK_GRAPHICS_TOOLKIT_NAME "fltk" const char *help_text = "\ Keyboard Shortcuts\n\ a - autoscale\n\ p - pan/zoom\n\ r - rotate\n\ g - toggle grid\n\ \n\ Mouse\n\ left drag - pan\n\ mouse wheel - zoom\n\ right drag - rectangle zoom\n\ left double click - autoscale\n\ "; class OpenGL_fltk : public Fl_Gl_Window { public: OpenGL_fltk (int xx, int yy, int ww, int hh, double num) : Fl_Gl_Window (xx, yy, ww, hh, nullptr), m_number (num), m_glfcns (), m_renderer (m_glfcns), m_in_zoom (false), m_zoom_box () { #if defined (HAVE_OPENGL) // Ask for double buffering and a depth buffer. mode (FL_DEPTH | FL_DOUBLE | FL_MULTISAMPLE); #else err_disabled_feature ("OpenGL_fltk", "OpenGL"); #endif } ~OpenGL_fltk (void) = default; void zoom (bool z) { m_in_zoom = z; if (! m_in_zoom) hide_overlay (); } bool zoom (void) { return m_in_zoom; } void set_zoom_box (const Matrix& zb) { m_zoom_box = zb; } void print (const std::string& cmd, const std::string& term) { gh_manager& gh_mgr = octave::__get_gh_manager__ ("OpenGL_fltk::print"); octave::gl2ps_print (m_glfcns, gh_mgr.get_object (m_number), cmd, term); } uint8NDArray get_pixels (void) { gh_manager& gh_mgr = octave::__get_gh_manager__ ("OpenGL_fltk::get_pixels"); m_renderer.draw (gh_mgr.get_object (m_number)); return m_renderer.get_pixels (w (), h ()); } void resize (int xx, int yy, int ww, int hh) { #if defined (HAVE_OPENGL) Fl_Gl_Window::resize (xx, yy, ww, hh); #else octave_unused_parameter (xx); octave_unused_parameter (yy); octave_unused_parameter (ww); octave_unused_parameter (hh); // This shouldn't happen because construction of Opengl_fltk // objects is supposed to be impossible if OpenGL is not available. panic_impossible (); #endif } bool renumber (double new_number) { bool retval = false; if (m_number != new_number) { m_number = new_number; retval = true; } return retval; } private: double m_number; octave::opengl_functions m_glfcns; octave::opengl_renderer m_renderer; bool m_in_zoom; // (x1,y1,x2,y2) Matrix m_zoom_box; void draw (void) { #if defined (HAVE_OPENGL) if (! valid ()) { m_glfcns.glMatrixMode (GL_PROJECTION); m_glfcns.glLoadIdentity (); m_glfcns.glViewport (0, 0, w (), h ()); } gh_manager& gh_mgr = octave::__get_gh_manager__ ("OpenGL_fltk::draw"); m_renderer.draw (gh_mgr.get_object (m_number)); if (zoom ()) overlay (); #else // This shouldn't happen because construction of Opengl_fltk // objects is supposed to be impossible if OpenGL is not available. panic_impossible (); #endif } void overlay (void) { Matrix overlaycolor (3, 1); overlaycolor(0) = 0.45; overlaycolor(1) = 0.62; overlaycolor(2) = 0.81; double overlayalpha = 0.1; Matrix bordercolor = overlaycolor; double borderalpha = 0.9; double borderwidth = 1.5; m_renderer.draw_zoom_box (w (), h (), m_zoom_box(0), m_zoom_box(1), m_zoom_box(2), m_zoom_box(3), overlaycolor, overlayalpha, bordercolor, borderalpha, borderwidth); } int handle (int event) { #if defined (HAVE_OPENGL) switch (event) { case FL_ENTER: cursor (FL_CURSOR_CROSS); return 1; case FL_LEAVE: cursor (FL_CURSOR_DEFAULT); return 1; } return Fl_Gl_Window::handle (event); #else octave_unused_parameter (event); // This shouldn't happen because construction of Opengl_fltk // objects is supposed to be impossible if OpenGL is not available. panic_impossible (); #endif } }; static void script_cb (Fl_Widget *, void *data) { static_cast<uimenu::properties *> (data)->execute_callback (); } class fltk_uimenu { public: fltk_uimenu (int xx, int yy, int ww, int hh) : m_menubar (new Fl_Menu_Bar (xx, yy, ww, hh)) { } int items_to_show (void) { //returns the number of visible menu items int len = m_menubar->size (); int n = 0; for (int t = 0; t < len; t++) { const Fl_Menu_Item *m = static_cast<const Fl_Menu_Item *> (&(m_menubar->menu ()[t])); if (m->label () && m->visible ()) n++; } return n; } void show (void) { m_menubar->show (); m_menubar->redraw (); } void hide (void) { m_menubar->hide (); m_menubar->redraw (); } bool is_visible (void) { return m_menubar->visible (); } int find_index_by_name (const std::string& findname) { // This function is derived from Greg Ercolano's function // int GetIndexByName(...), see: // http://seriss.com/people/erco/fltk/#Menu_ChangeLabel // He agreed via PM that it can be included in octave using GPLv3 // Kai Habel (14.10.2010) std::string menupath; for (int t = 0; t < m_menubar->size (); t++) { Fl_Menu_Item *m = const_cast<Fl_Menu_Item *> (&(m_menubar->menu ()[t])); if (m->submenu ()) { // item has submenu if (! menupath.empty ()) menupath += '/'; menupath += m->label (); if (menupath == findname) return (t); } else { // End of submenu? Pop back one level. if (! m->label ()) { std::size_t idx = menupath.find_last_of ('/'); if (idx != std::string::npos) menupath.erase (idx); else menupath.clear (); continue; } // Menu item? std::string itempath = menupath; if (! itempath.empty ()) itempath += '/'; itempath += m->label (); if (itempath == findname) return (t); } } return (-1); } Matrix find_uimenu_children (uimenu::properties& uimenup) const { Matrix uimenu_childs = uimenup.get_all_children (); Matrix retval = do_find_uimenu_children (uimenu_childs); return retval; } Matrix find_uimenu_children (figure::properties& figp) const { Matrix uimenu_childs = figp.get_all_children (); Matrix retval = do_find_uimenu_children (uimenu_childs); return retval; } Matrix do_find_uimenu_children (Matrix uimenu_childs) const { octave_idx_type k = 0; Matrix pos = Matrix (uimenu_childs.numel (), 1); for (octave_idx_type ii = 0; ii < uimenu_childs.numel (); ii++) { gh_manager& gh_mgr = octave::__get_gh_manager__ ("fltk_uimenu::do_find_uimenu_children"); graphics_object kidgo = gh_mgr.get_object (uimenu_childs (ii)); if (kidgo.valid_object () && kidgo.isa ("uimenu")) { uimenu_childs(k) = uimenu_childs(ii); pos(k++) = dynamic_cast<uimenu::properties&> (kidgo.get_properties ()).get_position (); } } uimenu_childs.resize (k, 1); pos.resize (k, 1); Matrix retval = Matrix (k, 1); // Don't know if this is the best method to sort. // Can we avoid the for loop? Array<octave_idx_type> sidx = pos.sort_rows_idx (DESCENDING); for (octave_idx_type ii = 0; ii < k; ii++) retval(ii) = uimenu_childs (sidx(ii)); return retval; } void delete_entry (uimenu::properties& uimenup) { std::string fltk_label = uimenup.get___fltk_label__ (); int idx = find_index_by_name (fltk_label.c_str ()); if (idx >= 0) m_menubar->remove (idx); } void update_accelerator (uimenu::properties& uimenup) { std::string fltk_label = uimenup.get___fltk_label__ (); if (! fltk_label.empty ()) { Fl_Menu_Item *item = const_cast<Fl_Menu_Item *> (m_menubar->find_item (fltk_label.c_str ())); if (item) { std::string acc = uimenup.get_accelerator (); if (acc.length () > 0) { int key = FL_CTRL + acc[0]; item->shortcut (key); } } } } void update_callback (uimenu::properties& uimenup) { std::string fltk_label = uimenup.get___fltk_label__ (); if (! fltk_label.empty ()) { Fl_Menu_Item *item = const_cast<Fl_Menu_Item *> (m_menubar->find_item (fltk_label.c_str ())); if (item) { if (! uimenup.get_callback ().isempty ()) item->callback (static_cast<Fl_Callback *> (script_cb), static_cast<void *> (&uimenup)); else item->callback (nullptr, static_cast<void *> (nullptr)); } } } void update_enable (uimenu::properties& uimenup) { std::string fltk_label = uimenup.get___fltk_label__ (); if (! fltk_label.empty ()) { Fl_Menu_Item *item = const_cast<Fl_Menu_Item *> (m_menubar->find_item (fltk_label.c_str ())); if (item) { if (uimenup.is_enable ()) item->activate (); else item->deactivate (); } } } void update_foregroundcolor (uimenu::properties& uimenup) { std::string fltk_label = uimenup.get___fltk_label__ (); if (! fltk_label.empty ()) { Fl_Menu_Item *item = const_cast<Fl_Menu_Item *> (m_menubar->find_item (fltk_label.c_str ())); if (item) { Matrix rgb = uimenup.get_foregroundcolor_rgb (); uchar r = static_cast<uchar> (std::floor (rgb (0) * 255)); uchar g = static_cast<uchar> (std::floor (rgb (1) * 255)); uchar b = static_cast<uchar> (std::floor (rgb (2) * 255)); item->labelcolor (fl_rgb_color (r, g, b)); } } } void update_seperator (const uimenu::properties& uimenup) { // Matlab places the separator before the current // menu entry, while fltk places it after. So we need to find // the previous item in this menu/submenu. (Kai) std::string fltk_label = uimenup.get___fltk_label__ (); if (! fltk_label.empty ()) { int itemflags = 0, idx; int curr_idx = find_index_by_name (fltk_label.c_str ()); for (idx = curr_idx - 1; idx >= 0; idx--) { Fl_Menu_Item *item = const_cast<Fl_Menu_Item *> (&m_menubar->menu () [idx]); itemflags = item->flags; if (item->label ()) break; } if (idx >= 0 && idx < m_menubar->size ()) { if (uimenup.is_separator ()) { if (! (itemflags & FL_SUBMENU)) m_menubar->mode (idx, itemflags | FL_MENU_DIVIDER); } else m_menubar->mode (idx, itemflags & (~FL_MENU_DIVIDER)); } } } void update_visible (uimenu::properties& uimenup) { std::string fltk_label = uimenup.get___fltk_label__ (); if (! fltk_label.empty ()) { Fl_Menu_Item *item = const_cast<Fl_Menu_Item *> (m_menubar->find_item (fltk_label.c_str ())); if (item) { if (uimenup.is_visible ()) item->show (); else item->hide (); } } } void update_position (uimenu::properties& uimenup, int pos) { uimenup.get_property ("position").set (octave_value (static_cast<double> (pos)), true, false); } void add_entry (uimenu::properties& uimenup) { std::string fltk_label = uimenup.get___fltk_label__ (); if (! fltk_label.empty ()) { bool item_added = false; do { const Fl_Menu_Item *item = m_menubar->find_item (fltk_label.c_str ()); if (item) { //avoid duplicate menulabels std::size_t idx1 = fltk_label.find_last_of ('('); std::size_t idx2 = fltk_label.find_last_of (')'); int len = idx2 - idx1; int val = 1; if (len > 0) { std::string valstr = fltk_label.substr (idx1 + 1, len - 1); fltk_label.erase (idx1, len + 1); val = atoi (valstr.c_str ()); if (val > 0 && val < 99) val++; } std::ostringstream valstream; valstream << val; fltk_label += '(' + valstream.str () + ')'; } else { Matrix uimenu_ch = find_uimenu_children (uimenup); int len = uimenu_ch.numel (); int flags = 0; if (len > 0) flags = FL_SUBMENU; if (len == 0 && uimenup.is_checked ()) flags += FL_MENU_TOGGLE + FL_MENU_VALUE; m_menubar->add (fltk_label.c_str (), 0, nullptr, nullptr, flags); item_added = true; } } while (! item_added); uimenup.set___fltk_label__ (fltk_label); } } void add_to_menu (uimenu::properties& uimenup) { std::vector<int> delayed_menus; Matrix kids = find_uimenu_children (uimenup); int len = kids.numel (); std::string fltk_label = uimenup.get___fltk_label__ (); int count = 0; add_entry (uimenup); update_foregroundcolor (uimenup); update_callback (uimenup); update_accelerator (uimenup); update_enable (uimenup); update_visible (uimenup); update_seperator (uimenup); gh_manager& gh_mgr = octave::__get_gh_manager__ ("fltk_uimenu::add_to_menu"); for (octave_idx_type ii = 0; ii < len; ii++) { graphics_object kgo = gh_mgr.get_object (kids (len - (ii + 1))); if (kgo.valid_object ()) { uimenu::properties& kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ()); // if no pos yet, delay adding menu until after other menus int pos = kprop.get_position (); if (pos <= 0) delayed_menus.push_back ((len - (ii + 1))); else { add_to_menu (kprop); } } } // create any delayed menus for (std::size_t ii = 0; ii < delayed_menus.size (); ii++) { graphics_object kgo = gh_mgr.get_object (kids (delayed_menus[ii])); if (kgo.valid_object ()) { uimenu::properties& kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ()); add_to_menu (kprop); update_position (kprop, ++count); } } } void add_to_menu (figure::properties& figp) { std::vector<int> delayed_menus; Matrix kids = find_uimenu_children (figp); int len = kids.numel (); int count = 0; m_menubar->clear (); gh_manager& gh_mgr = octave::__get_gh_manager__ ("fltk_uimenu::add_to_menu"); for (octave_idx_type ii = 0; ii < len; ii++) { graphics_object kgo = gh_mgr.get_object (kids (len - (ii + 1))); if (kgo.valid_object ()) { uimenu::properties& kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ()); // if no pos yet, delay adding menu until after other menus int pos = kprop.get_position (); if (pos <= 0) delayed_menus.push_back ((len - (ii + 1))); else { add_to_menu (kprop); update_position (kprop, ++count); } } } // create any delayed menus for (std::size_t ii = 0; ii < delayed_menus.size (); ii++) { graphics_object kgo = gh_mgr.get_object (kids (delayed_menus[ii])); if (kgo.valid_object ()) { uimenu::properties& kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ()); add_to_menu (kprop); update_position (kprop, ++count); } } } template <typename T_prop> void remove_from_menu (T_prop& prop) { Matrix kids; std::string type = prop.get_type (); kids = find_uimenu_children (prop); int len = kids.numel (); gh_manager& gh_mgr = octave::__get_gh_manager__ ("fltk_uimenu::remove_from_menu"); for (octave_idx_type ii = 0; ii < len; ii++) { graphics_object kgo = gh_mgr.get_object (kids (len - (ii + 1))); if (kgo.valid_object ()) { uimenu::properties kprop = dynamic_cast<uimenu::properties&> (kgo.get_properties ()); remove_from_menu (kprop); } } if (type == "uimenu") delete_entry (dynamic_cast<uimenu::properties&> (prop)); else if (type == "figure") m_menubar->clear (); } // No copying! fltk_uimenu (const fltk_uimenu&) = delete; fltk_uimenu operator = (const fltk_uimenu&) = delete; ~fltk_uimenu (void) { // FLTK is supposed to manage memory for widgets. } private: Fl_Menu_Bar *m_menubar; }; #if defined (HAVE_X_WINDOWS) static int xerror_handler (Display *, XErrorEvent *) { return 0; } #endif class plot_window : public Fl_Window { friend class fltk_uimenu; public: plot_window (int xx, int yy, int ww, int hh, figure::properties& xfp, bool internal) : Fl_Window (xx, yy, ww, hh + m_menu_h + m_status_h + 2, "octave"), m_window_label (), m_fp (xfp), m_uimenu (nullptr), m_canvas (nullptr), m_autoscale (nullptr), m_togglegrid (nullptr), m_panzoom (nullptr), m_rotate (nullptr), m_help (nullptr), m_status (nullptr), m_resize_dummy (nullptr), m_ax_obj (), m_pos_x (0), m_pos_y (0) { callback (window_close, static_cast<void *> (this)); // The size of the resize_dummy box also determines the minimum // window size. m_resize_dummy = new Fl_Box (5 * m_status_h, m_menu_h, ww - 5 * m_status_h, hh); // See http://fltk.org/articles.php?L415+I0+T+M1000+P1 // for how resizable works resizable (m_resize_dummy); // FIXME: The function below is only available in FLTK >= 1.3 // At some point support for FLTK 1.1 will be dropped in Octave. // At that point this function should be uncommented. // The current solution is to call xclass() before show() for each window. // Set WM_CLASS which allows window managers to properly group related // windows. Otherwise, the class is just "FLTK" //default_xclass ("Octave"); m_uimenu = new fltk_uimenu (0, 0, ww, m_menu_h); m_canvas = new OpenGL_fltk (0, m_menu_h, ww, hh, number ()); // The bottom toolbar is a composite of "autoscale", "togglegrid", // "panzoom", "rotate", "help", and "status". // Only "status" should be resized. int toolbar_y = m_menu_h + hh + 1; m_status = new Fl_Output (5 * m_status_h, toolbar_y, ww - 5 * m_status_h, m_status_h, ""); m_status->textcolor (FL_BLACK); m_status->color (FL_GRAY); m_status->textfont (FL_COURIER); m_status->textsize (10); m_status->box (FL_ENGRAVED_BOX); m_autoscale = new Fl_Button (0, toolbar_y, m_status_h, m_status_h, "A"); m_autoscale->callback (button_callback, static_cast<void *> (this)); m_autoscale->tooltip ("Autoscale"); m_togglegrid = new Fl_Button (m_status_h, toolbar_y, m_status_h, m_status_h, "G"); m_togglegrid->callback (button_callback, static_cast<void *> (this)); m_togglegrid->tooltip ("Toggle Grid"); m_panzoom = new Fl_Button (2* m_status_h, toolbar_y, m_status_h, m_status_h, "P"); m_panzoom->callback (button_callback, static_cast<void *> (this)); m_panzoom->tooltip ("Mouse Pan/Zoom"); m_rotate = new Fl_Button (3 * m_status_h, toolbar_y, m_status_h, m_status_h, "R"); m_rotate->callback (button_callback, static_cast<void *> (this)); m_rotate->tooltip ("Mouse Rotate"); m_help = new Fl_Button (4 * m_status_h, toolbar_y, m_status_h, m_status_h, "?"); m_help->callback (button_callback, static_cast<void *> (this)); m_help->tooltip ("Help"); end (); set_name (); m_uimenu->add_to_menu (m_fp); if (m_fp.menubar_is ("none") || ! m_uimenu->items_to_show ()) hide_menubar (); update_boundingbox (internal); if (m_fp.is_visible ()) { // FIXME: This code should be removed when Octave drops support // for FLTK 1.1. Search for default_xclass in this file to find // code that should be uncommented to take its place. // // Set WM_CLASS which allows window managers to properly group // related windows. Otherwise, the class is just "FLTK" xclass ("Octave"); show (); #if defined (HAVE_X_WINDOWS) std::string show_gui_msgs = octave::sys::env::getenv ("OCTAVE_SHOW_GUI_MESSAGES"); // Installing our handler suppresses the messages. if (show_gui_msgs.empty ()) XSetErrorHandler (xerror_handler); #endif if (m_fp.get_currentaxes ().ok ()) show_canvas (); else hide_canvas (); } } // No copying! plot_window (const plot_window&) = delete; plot_window& operator = (const plot_window&) = delete; ~plot_window (void) { this->hide (); Fl::check (); delete m_uimenu; // FLTK is supposed to manage memory for widgets. } double number (void) { return m_fp.get___myhandle__ ().value (); } void renumber (double new_number) { if (! m_canvas) error ("unable to renumber figure"); if (m_canvas->renumber (new_number)) mark_modified (); } void print (const std::string& cmd, const std::string& term) { m_canvas->print (cmd, term); } uint8NDArray get_pixels () { return m_canvas->get_pixels (); } void show_menubar (void) { m_uimenu->show (); update_toolbar_position (); } void hide_menubar (void) { m_uimenu->hide (); update_toolbar_position (); } void uimenu_update (const graphics_handle& gh, int id) { gh_manager& gh_mgr = octave::__get_gh_manager__ ("plot_window::uimenu_update"); graphics_object uimenu_obj = gh_mgr.get_object (gh); if (uimenu_obj.valid_object () && uimenu_obj.isa ("uimenu")) { uimenu::properties& uimenup = dynamic_cast<uimenu::properties&> (uimenu_obj.get_properties ()); std::string fltk_label = uimenup.get___fltk_label__ (); graphics_object fig = uimenu_obj.get_ancestor ("figure"); figure::properties& figp = dynamic_cast<figure::properties&> (fig.get_properties ()); switch (id) { case base_properties::ID_BEINGDELETED: m_uimenu->remove_from_menu (uimenup); break; case base_properties::ID_VISIBLE: m_uimenu->update_visible (uimenup); break; case uimenu::properties::ID_ACCELERATOR: m_uimenu->update_accelerator (uimenup); break; case uimenu::properties::ID_CALLBACK: m_uimenu->update_callback (uimenup); break; case uimenu::properties::ID_CHECKED: m_uimenu->add_to_menu (figp);//rebuilding entire menu break; case uimenu::properties::ID_ENABLE: m_uimenu->update_enable (uimenup); break; case uimenu::properties::ID_FOREGROUNDCOLOR: m_uimenu->update_foregroundcolor (uimenup); break; case uimenu::properties::ID_LABEL: m_uimenu->add_to_menu (figp);//rebuilding entire menu break; case uimenu::properties::ID_POSITION: m_uimenu->add_to_menu (figp);//rebuilding entire menu break; case uimenu::properties::ID_SEPARATOR: m_uimenu->update_seperator (uimenup); break; } if (m_uimenu->items_to_show ()) show_menubar (); else hide_menubar (); } } void show_canvas (void) { if (! m_canvas->can_do ()) error ("unable to plot due to insufficient OpenGL support"); else if (m_fp.is_visible ()) { m_canvas->show (); m_canvas->make_current (); } } void hide_canvas (void) { m_canvas->hide (); } // Move the toolbar at the bottom of the plot_window. // The only reason for moving the toolbar is hiding and // showing the menubar. All other resizing is done by fltk. void update_toolbar_position () { int old_canvas_h = m_canvas->h (); // keep position fix, change outerposition accordingly update_boundingbox (true); m_canvas->resize (0, menu_dy (), w (), old_canvas_h); int toolbar_y = m_canvas->h () + menu_dy () + 1; m_autoscale->position (0, toolbar_y); m_togglegrid->position (m_status_h, toolbar_y); m_panzoom->position (2 * m_status_h, toolbar_y); m_rotate->position (3 * m_status_h, toolbar_y); m_help->position (4 * m_status_h, toolbar_y); m_status->resize (5 * m_status_h, toolbar_y, w () - 5 * m_status_h, m_status_h); init_sizes (); redraw (); } Matrix outerposition2position (const Matrix& outerpos) { Matrix pos = outerpos; pos(1) += menu_dy (); pos(3) -= menu_dy () + m_status_h + 2; return pos; } Matrix position2outerposition (const Matrix& pos) { Matrix outerpos = pos; outerpos(1) -= menu_dy (); outerpos(3) += menu_dy () + m_status_h + 2; return outerpos; } // Called from figure::properties::ID_POSITION if internal = true // or ID_OUTERPOSITION if false. // (someone has requested a position change with set (h, "position", [...]) // or set (h, "outerposition", [...]) void update_boundingbox (bool internal) { Matrix bb = m_fp.get_boundingbox (internal); if (internal) bb = position2outerposition (bb); resize (bb(0), bb(1), bb(2), bb(3)); } void mark_modified (void) { m_canvas->redraw (); } void set_name (void) { m_window_label = m_fp.get_title (); label (m_window_label.c_str ()); } private: // window name -- this must exists for the duration of the window's // life std::string m_window_label; // Figure properties. figure::properties& m_fp; // Status area height. static const int m_status_h = 20; // Menu height static const int m_menu_h = 25; fltk_uimenu *m_uimenu; OpenGL_fltk *m_canvas; Fl_Button *m_autoscale; Fl_Button *m_togglegrid; Fl_Button *m_panzoom; Fl_Button *m_rotate; Fl_Button *m_help; Fl_Output *m_status; Fl_Box *m_resize_dummy; graphics_object m_ax_obj; int m_pos_x; int m_pos_y; // Window callback. static void window_close (Fl_Widget *, void *data) { octave_value_list args; args(0) = static_cast<plot_window *> (data)->number (); octave::feval ("close", args); } // Button callbacks. static void button_callback (Fl_Widget *ww, void *data) { static_cast<plot_window *> (data)->button_press (ww, data); } void button_press (Fl_Widget *widg, void *) { if (widg == m_autoscale) axis_auto (); else if (widg == m_togglegrid) toggle_grid (); else if (widg == m_panzoom) m_fp.set___mouse_mode__ ("pan"); else if (widg == m_rotate) m_fp.set___mouse_mode__ ("rotate"); else if (widg == m_help) fl_message ("%s", help_text); } void set_on_ax_obj (const std::string& name, const std::string& value) { // ax_obj is the last clicked axes object if (m_ax_obj && m_ax_obj.isa ("axes") && m_ax_obj.get_properties ().get_tag () != "legend" && m_ax_obj.get_properties ().get_tag () != "colorbar") { axes::properties& ap = dynamic_cast<axes::properties&>(m_ax_obj.get_properties ()); ap.set (name, value); } else // no axes object clicked so far, take currentaxes { graphics_handle gh = m_fp.get_currentaxes (); if (gh.ok ()) { gh_manager& gh_mgr = octave::__get_gh_manager__ ("plot_window::set_on_ax_obj"); graphics_object go = gh_mgr.get_object (gh); axes::properties& ap = dynamic_cast<axes::properties&>(go.get_properties ()); ap.set (name, value); } } } void axis_auto (void) { octave_value_list args; if (m_fp.get_currentaxes ().ok ()) { args(0) = m_fp.get_currentaxes ().as_octave_value (); args(1) = "auto"; octave::feval ("axis", args); mark_modified (); } } void toggle_grid (void) { octave_value_list args; if (m_fp.get_currentaxes ().ok ()) args(0) = m_fp.get_currentaxes ().as_octave_value (); octave::feval ("grid", args); mark_modified (); } void pixel2pos (const graphics_handle& ax, int px, int py, double& xx, double& yy) const { gh_manager& gh_mgr = octave::__get_gh_manager__ ("plot_window::pixel2pos"); pixel2pos (gh_mgr.get_object (ax), px, py, xx, yy); } void pixel2pos (graphics_object ax, int px, int py, double& xx, double& yy) const { if (ax && ax.isa ("axes")) { axes::properties& ap = dynamic_cast<axes::properties&> (ax.get_properties ()); ColumnVector pp = ap.pixel2coord (px, py); xx = pp(0); yy = pp(1); } } graphics_handle pixel2axes_or_ca (int px, int py) { Matrix kids = m_fp.get_children (); int len = kids.numel (); gh_manager& gh_mgr = octave::__get_gh_manager__ ("plot_window::pixel2axes_or_ca"); for (int k = 0; k < len; k++) { graphics_handle hnd = gh_mgr.lookup (kids(k)); if (hnd.ok ()) { graphics_object kid = gh_mgr.get_object (hnd); if (kid.valid_object () && kid.isa ("axes")) { Matrix bb = kid.get_properties ().get_boundingbox (false); if (bb(0) <= px && px < (bb(0)+bb(2)) && bb(1) <= py && py < (bb(1)+bb(3))) { return hnd; } } } } return m_fp.get_currentaxes (); } void pixel2status (const graphics_handle& ax, int px0, int py0, int px1 = -1, int py1 = -1) { gh_manager& gh_mgr = octave::__get_gh_manager__ ("plot_window::pixel2status"); pixel2status (gh_mgr.get_object (ax), px0, py0, px1, py1); } void pixel2status (graphics_object ax, int px0, int py0, int px1 = -1, int py1 = -1) { double x0, y0, x1, y1; x0 = y0 = x1 = y1 = octave::numeric_limits<double>::NaN (); std::stringstream cbuf; cbuf.precision (4); cbuf.width (6); pixel2pos (ax, px0, py0, x0, y0); cbuf << '[' << x0 << ", " << y0 << ']'; if (px1 >= 0) { pixel2pos (ax, px1, py1, x1, y1); cbuf << " -> ["<< x1 << ", " << y1 << ']'; } m_status->value (cbuf.str ().c_str ()); } void view2status (graphics_object ax) { if (ax && ax.isa ("axes")) { axes::properties& ap = dynamic_cast<axes::properties&> (ax.get_properties ()); std::stringstream cbuf; cbuf.precision (4); cbuf.width (6); Matrix v (1, 2, 0); v = ap.get ("view").matrix_value (); cbuf << "[azimuth: " << v(0) << ", elevation: " << v(1) << ']'; m_status->value (cbuf.str ().c_str ()); } } void set_currentpoint (int px, int py) { if (! m_fp.is_beingdeleted ()) { Matrix pos = m_fp.map_from_boundingbox (px, py); m_fp.set_currentpoint (pos); gh_manager& gh_mgr = octave::__get_gh_manager__ ("plot_window::set_currentpoint"); graphics_object robj = gh_mgr.get_object (m_fp.get_parent ()); root_figure::properties& rp = dynamic_cast<root_figure::properties&> (robj.get_properties ()); rp.set_currentfigure (m_fp.get___myhandle__ ().value ()); } } void set_axes_currentpoint (graphics_object ax, int px, int py) { if (ax.valid_object () && ax.isa ("axes")) { axes::properties& ap = dynamic_cast<axes::properties&> (ax.get_properties ()); Matrix x_zlim = ap.get_transform_zlim (); Matrix pos (2, 3, 0.0); // front point (nearest to the viewer) ColumnVector tmp = ap.get_transform ().untransform (px, py, x_zlim(0)); pos(0, 0) = tmp(0); pos(0, 1) = tmp(1); pos(0, 2) = tmp(2); // back point (furthest from the viewer) tmp = ap.get_transform ().untransform (px, py, x_zlim(1)); pos(1, 0) = tmp(0); pos(1, 1) = tmp(1); pos(1, 2) = tmp(2); ap.set_currentpoint (pos); if (ap.get_tag () != "legend" && ap.get_tag () != "colorbar") m_fp.set_currentaxes (ap.get___myhandle__ ().value ()); } } int menu_dy () { if (m_uimenu->is_visible ()) return m_menu_h; else return 0; } octave_scalar_map format_key_event (int e_key, const char *e_text, int e_state) { octave_scalar_map evt; evt.assign ("Character", octave_value (e_text)); evt.assign ("Modifier", octave_value (modifier2cell (e_state))); std::string key_str; std::ostringstream tmp_str; if (e_key == FL_Escape) key_str = "escape"; else if (e_key == FL_Tab) key_str = "tab"; else if (e_key == FL_Caps_Lock) key_str = "capslock"; else if (e_key == FL_Shift_L || e_key == FL_Shift_R) key_str = "shift"; else if (e_key == FL_Control_L || e_key == FL_Control_R) key_str = "control"; else if (e_key == FL_Meta_L || e_key == FL_Meta_R) key_str = "windows"; else if (e_key == FL_Alt_L || e_key == FL_Alt_R) key_str = "alt"; else if (e_key == 32) key_str = "space"; else if (e_key == FL_Enter) key_str = "return"; else if (e_key == FL_BackSpace) key_str = "backspace"; else if (e_key == FL_Print) key_str = "printscreen"; else if (e_key == FL_Pause) key_str = "pause"; else if (e_key == FL_Home) key_str = "home"; else if (e_key == FL_End) key_str = "end"; else if (e_key == FL_Insert) key_str = "insert"; else if (e_key == FL_Page_Up) key_str = "pageup"; else if (e_key == FL_Delete) key_str = "delete"; else if (e_key == FL_Page_Down) key_str = "pagedown"; else if (e_key == FL_Left) key_str = "leftarrow"; else if (e_key == FL_Up) key_str = "uparrow"; else if (e_key == FL_Right) key_str = "rightarrow"; else if (e_key == FL_Down) key_str = "downarrow"; else if (e_key == FL_Num_Lock) key_str = "numlock"; else if (e_key == 0xffaf) key_str = "divide"; else if (e_key == 0xffaa) key_str = "multiply"; else if (e_key == 0xffad) key_str = "subtract"; else if (e_key == 0xffab) key_str = "add"; else if (e_key == 0xff8d) key_str = "return"; else if (e_key == 0xffac) key_str = "separator"; else if (e_key >= 0xffb0 && e_key <= 0xffb9) { tmp_str << "numpad" << (e_key - 0xffb0); key_str = tmp_str.str (); } else if (e_key >= (FL_F + 1) && e_key <= (FL_F + 12)) { tmp_str << 'f' << (e_key - FL_F); key_str = tmp_str.str (); } else if (e_key == ',') key_str = "comma"; else if (e_key == '.') key_str = "period"; else if (e_key == '-') key_str = "hyphen"; else if (e_key == '^' || e_key == '+' || e_key == '#' || e_key == '<' || e_key == 0xfe03 /*AltGr*/) key_str = "0"; else if (isalnum (e_key)) key_str = std::tolower (e_key); else if (isprint (e_text[0])) key_str = "0"; evt.assign ("Key", octave_value (key_str)); return evt; } Cell modifier2cell (int e_state) { string_vector mod; if (e_state & FL_SHIFT) mod.append (std::string ("shift")); if (e_state & FL_CTRL) mod.append (std::string ("control")); if (e_state & FL_ALT) mod.append (std::string ("alt")); if (e_state & FL_COMMAND) mod.append (std::string ("command")); return Cell (mod); } void resize (int xx, int yy, int ww, int hh) { Fl_Window::resize (xx, yy, ww, hh); Matrix bb (1, 4); bb(0) = xx; bb(1) = yy; bb(2) = ww; bb(3) = hh; // update outerposition m_fp.set_boundingbox (bb, false, false); // update position m_fp.set_boundingbox (outerposition2position (bb), true, false); } bool pan_enabled (void) { // Getting pan mode property: octave_value ov_pm = m_fp.get___pan_mode__ (); octave_scalar_map pm = ov_pm.scalar_map_value (); return pm.contents ("Enable").string_value () == "on"; } std::string pan_mode (void) { // Getting pan mode property: octave_value ov_pm = m_fp.get___pan_mode__ (); octave_scalar_map pm = ov_pm.scalar_map_value (); return pm.contents ("Motion").string_value (); } bool rotate_enabled (void) { // Getting rotate mode property: octave_value ov_rm = m_fp.get___rotate_mode__ (); octave_scalar_map rm = ov_rm.scalar_map_value (); return rm.contents ("Enable").string_value () == "on"; } int handle (int event) { if (event == FL_FOCUS) return 1; graphics_handle gh; if (! m_fp.is_beingdeleted ()) { // FLTK resends keyboard events with flipped case if all // widgets rejects the event. // See Event Propagation http://www.fltk.org/doc-1.3/events.html static bool key_resent_detected = false; gh_manager& gh_mgr = octave::__get_gh_manager__ ("plot_window::handle"); switch (event) { case FL_SHORTCUT: { // check if it a resent event with switched case static int last_event_key = 0; static char last_event_text = 0; int e_key = Fl::event_key (); char e_text = Fl::event_text ()[0]; key_resent_detected = (e_key == last_event_key && std::tolower (last_event_text) == std::tolower (e_text) && ((islower (last_event_text) && isupper (e_text)) || (isupper (last_event_text) && islower (e_text)))); last_event_key = e_key; last_event_text = e_text; } break; case FL_KEYDOWN: { int e_key = Fl::event_key (); const char *e_text = Fl::event_text (); int e_state = Fl::event_state (); octave_scalar_map evt = format_key_event (e_key, e_text, e_state); m_fp.set_currentcharacter (std::string (e_text)); if (! m_fp.get_keypressfcn ().isempty () && (evt.contents ("Key").length () > 0)) { // Update CurrentPoint before callback if (Fl::event_inside (m_canvas)) { m_pos_x = Fl::event_x (); m_pos_y = Fl::event_y () - menu_dy (); set_currentpoint (m_pos_x, m_pos_y); gh = pixel2axes_or_ca (m_pos_x, m_pos_y); if (gh.ok ()) { m_ax_obj = gh_mgr.get_object (gh); set_axes_currentpoint (m_ax_obj, m_pos_x, m_pos_y); } } m_fp.execute_keypressfcn (evt); } // Handle special keys used in toolbar switch (e_key) { case 'a': case 'A': axis_auto (); return 1; case 'g': case 'G': toggle_grid (); return 1; case 'p': case 'P': m_fp.set___mouse_mode__ ("pan"); return 1; case 'r': case 'R': m_fp.set___mouse_mode__ ("rotate"); return 1; } } break; case FL_KEYUP: { int e_key = Fl::event_key (); int e_state = Fl::event_state (); octave_scalar_map evt; if (key_resent_detected && Fl::event_length () == 1) { // FLTK flipped the case of Fl::event_text because no // widget wanted the FL_KEYDOWN event. char tmp_e_text[2]; tmp_e_text[0] = Fl::event_text ()[0]; tmp_e_text[1] = 0; // Undo the case flip if (std::islower (tmp_e_text[0])) tmp_e_text[0] = std::toupper (tmp_e_text[0]); else tmp_e_text[0] = std::tolower (tmp_e_text[0]); evt = format_key_event (e_key, tmp_e_text, e_state); } else { const char *e_text = Fl::event_text (); evt = format_key_event (e_key, e_text, e_state); } if (! m_fp.get_keyreleasefcn ().isempty () && (evt.contents ("Key").length () > 0)) m_fp.execute_keyreleasefcn (evt); return 1; } break; } // Events we only handle if they are in the canvas area. if (Fl::event_inside (m_canvas)) switch (event) { case FL_MOVE: pixel2status (pixel2axes_or_ca (Fl::event_x (), Fl::event_y () - menu_dy ()), Fl::event_x (), Fl::event_y () - menu_dy ()); return 1; case FL_PUSH: m_pos_x = Fl::event_x (); m_pos_y = Fl::event_y () - menu_dy (); set_currentpoint (m_pos_x, m_pos_y); if (Fl::event_clicks ()) m_fp.set_selectiontype ("open"); else if (Fl::event_button () == FL_MIDDLE_MOUSE || (Fl::event_button () == FL_LEFT_MOUSE && Fl::event_shift ())) m_fp.set_selectiontype ("extend"); else if (Fl::event_button () == FL_RIGHT_MOUSE || (Fl::event_button () == FL_LEFT_MOUSE && Fl::event_ctrl ())) m_fp.set_selectiontype ("alt"); else m_fp.set_selectiontype ("normal"); gh = pixel2axes_or_ca (m_pos_x, m_pos_y); if (gh.ok ()) { m_ax_obj = gh_mgr.get_object (gh); set_axes_currentpoint (m_ax_obj, m_pos_x, m_pos_y); } // Ensure windowbuttondownfcn is called after currentpoint // is updated but before calling buttondownfcn. if (! m_fp.get_windowbuttondownfcn ().isempty ()) m_fp.execute_windowbuttondownfcn (Fl::event_button ()); if (gh.ok ()) { m_fp.set_currentobject (m_ax_obj.get_handle ().value ()); base_properties& props = m_ax_obj.get_properties (); if (! props.get_buttondownfcn ().isempty ()) props.execute_buttondownfcn (Fl::event_button ()); return 1; } else if (! m_fp.get_buttondownfcn ().isempty ()) m_fp.execute_buttondownfcn (Fl::event_button ()); break; case FL_DRAG: if (! m_fp.get_windowbuttonmotionfcn ().isempty ()) { set_currentpoint (Fl::event_x (), Fl::event_y () - menu_dy ()); m_fp.execute_windowbuttonmotionfcn (); } if (Fl::event_button () == 1) { if (m_ax_obj && m_ax_obj.isa ("axes")) { axes::properties& ap = dynamic_cast<axes::properties&> (m_ax_obj.get_properties ()); // Don't pan or rotate legend if (ap.get_tag () != "legend") { if (rotate_enabled ()) view2status (m_ax_obj); else pixel2status (m_ax_obj, m_pos_x, m_pos_y, Fl::event_x (), Fl::event_y () - menu_dy ()); double x0, y0, x1, y1; Matrix pos = m_fp.get_boundingbox (true); pixel2pos (m_ax_obj, m_pos_x, m_pos_y, x0, y0); pixel2pos (m_ax_obj, Fl::event_x (), Fl::event_y () - menu_dy (), x1, y1); if (pan_enabled ()) { std::string mode = pan_mode (); ap.translate_view (mode, x0, x1, y0, y1); } else if (rotate_enabled ()) { double daz, del; daz = (Fl::event_x () - m_pos_x) / pos(2) * 360; del = (Fl::event_y () - menu_dy () - m_pos_y) / pos(3) * 360; ap.rotate_view (del, daz); } } else { // move the position of the legend Matrix pos = ap.get_position ().matrix_value (); pos(0) += double (Fl::event_x () - m_pos_x) / m_canvas->w (); pos(1) -= double (Fl::event_y () - menu_dy () - m_pos_y) / m_canvas->h (); ap.set_position (pos); } m_pos_x = Fl::event_x (); m_pos_y = Fl::event_y () - menu_dy (); mark_modified (); } return 1; } else if (Fl::event_button () == 3) { pixel2status (m_ax_obj, m_pos_x, m_pos_y, Fl::event_x (), Fl::event_y () - menu_dy ()); Matrix zoom_box (1, 4, 0); zoom_box(0) = m_pos_x; zoom_box(1) = m_pos_y; zoom_box(2) = Fl::event_x (); zoom_box(3) = Fl::event_y () - menu_dy (); m_canvas->set_zoom_box (zoom_box); m_canvas->zoom (true); mark_modified (); return 1; } break; case FL_MOUSEWHEEL: { graphics_object ax = gh_mgr.get_object (pixel2axes_or_ca (Fl::event_x (), Fl::event_y () - menu_dy ())); if (ax && ax.isa ("axes")) { axes::properties& ap = dynamic_cast<axes::properties&> (ax.get_properties ()); // Control how fast to zoom when using scroll wheel. double wheel_zoom_speed = ap.get_mousewheelzoom (); // Determine if we're zooming in or out. const double factor = (Fl::event_dy () < 0 ? 1 / (1.0 - wheel_zoom_speed) : 1.0 - wheel_zoom_speed); // Get the point we're zooming about. double x1, y1; pixel2pos (ax, Fl::event_x (), Fl::event_y () - menu_dy (), x1, y1); // FIXME: should we only zoom about point for 2D plots? ap.zoom_about_point ("both", x1, y1, factor, false); mark_modified (); return 1; } } break; case FL_RELEASE: if (! m_fp.get_windowbuttonupfcn ().isempty ()) { set_currentpoint (Fl::event_x (), Fl::event_y () - menu_dy ()); m_fp.execute_windowbuttonupfcn (); } if ((Fl::event_button () == 1) && Fl::event_clicks ()) { // Double click set_on_ax_obj ("xlimmode", "auto"); set_on_ax_obj ("ylimmode", "auto"); set_on_ax_obj ("zlimmode", "auto"); mark_modified (); return 1; } if (Fl::event_button () == 3) { // End of drag -- zoom. if (m_canvas->zoom ()) { m_canvas->zoom (false); double x0, y0, x1, y1; if (m_ax_obj && m_ax_obj.isa ("axes")) { axes::properties& ap = dynamic_cast<axes::properties&> (m_ax_obj.get_properties ()); pixel2pos (m_ax_obj, m_pos_x, m_pos_y, x0, y0); int pos_x1 = Fl::event_x (); int pos_y1 = Fl::event_y () - menu_dy (); pixel2pos (m_ax_obj, pos_x1, pos_y1, x1, y1); Matrix xl (1, 2, 0); Matrix yl (1, 2, 0); int dx = abs (m_pos_x - pos_x1); int dy = abs (m_pos_y - pos_y1); // Smallest zoom box must be 4 pixels square if ((dx > 4) && (dy > 4)) { if (x0 < x1) { xl(0) = x0; xl(1) = x1; } else { xl(0) = x1; xl(1) = x0; } if (y0 < y1) { yl(0) = y0; yl(1) = y1; } else { yl(0) = y1; yl(1) = y0; } ap.zoom ("both", xl, yl); } mark_modified (); return 1; } } } break; } } return Fl_Window::handle (event); } }; class figure_manager { private: figure_manager (void) = default; public: // No copying! figure_manager (const figure_manager&) = delete; figure_manager& operator = (const figure_manager&) = delete; ~figure_manager (void) { close_all (); } static bool instance_ok (void) { bool retval = true; if (! instance) instance = new figure_manager (); return retval; } static void close_all (void) { if (instance_ok ()) instance->do_close_all (); } static void new_window (figure::properties& fp) { if (instance_ok ()) instance->do_new_window (fp); } static void delete_window (int idx) { if (instance_ok ()) instance->do_delete_window (idx); } static void delete_window (const std::string& idx_str) { delete_window (str2idx (idx_str)); } static void renumber_figure (const std::string& idx_str, double new_number) { if (instance_ok ()) instance->do_renumber_figure (str2idx (idx_str), new_number); } static void toggle_window_visibility (int idx, bool is_visible) { if (instance_ok ()) instance->do_toggle_window_visibility (idx, is_visible); } static void toggle_window_visibility (const std::string& idx_str, bool is_visible) { toggle_window_visibility (str2idx (idx_str), is_visible); } static void mark_modified (int idx) { if (instance_ok ()) instance->do_mark_modified (idx); } static void mark_modified (const graphics_handle& gh) { mark_modified (hnd2idx (gh)); } static void set_name (int idx) { if (instance_ok ()) instance->do_set_name (idx); } static void set_name (const std::string& idx_str) { set_name (str2idx (idx_str)); } static Matrix get_size (int idx) { return instance_ok () ? instance->do_get_size (idx) : Matrix (); } static Matrix get_size (const graphics_handle& gh) { return get_size (hnd2idx (gh)); } static void print (const graphics_handle& gh, const std::string& cmd, const std::string& term) { if (instance_ok ()) instance->do_print (hnd2idx (gh), cmd, term); } static uint8NDArray get_pixels (const graphics_handle& gh) { uint8NDArray retval; if (instance_ok ()) retval = instance->do_get_pixels (hnd2idx (gh)); return retval; } static void uimenu_update (const graphics_handle& figh, const graphics_handle& uimenuh, int id) { if (instance_ok ()) instance->do_uimenu_update (hnd2idx (figh), uimenuh, id); } static void update_canvas (const graphics_handle& gh, const graphics_handle& ca) { if (instance_ok ()) instance->do_update_canvas (hnd2idx (gh), ca); } static void update_boundingbox (const std::string& fig_idx_str, bool internal) { if (instance_ok ()) instance->do_update_boundingbox (str2idx (fig_idx_str), internal); } static void toggle_menubar_visibility (const std::string& fig_idx_str, bool menubar_is_figure) { if (instance_ok ()) instance->do_toggle_menubar_visibility (str2idx (fig_idx_str), menubar_is_figure); } private: static figure_manager *instance; // Singleton -- hide all of the above. static int curr_index; typedef std::map<int, plot_window *> window_map; typedef window_map::iterator wm_iterator;; window_map windows; static std::string fltk_idx_header; void do_close_all (void) { wm_iterator win; for (win = windows.begin (); win != windows.end (); win++) delete win->second; windows.clear (); } void do_new_window (figure::properties& fp) { int idx = figprops2idx (fp); if (idx >= 0 && windows.find (idx) == windows.end ()) { Matrix pos = fp.get_outerposition ().matrix_value (); bool internal = false; // check if figure::properties::outerposition is default -1.0 if (pos(2) != -1.0 && pos(3) != -1.0) { pos = fp.get_boundingbox (internal); } else { // use position internal = true; pos = fp.get_boundingbox (internal); } idx2figprops (curr_index, fp); windows[curr_index++] = new plot_window (pos(0), pos(1), pos(2), pos(3), fp, internal); } } void do_delete_window (int idx) { wm_iterator win = windows.find (idx); if (win != windows.end ()) { delete win->second; windows.erase (win); } } void do_renumber_figure (int idx, double new_number) { wm_iterator win = windows.find (idx); if (win != windows.end ()) win->second->renumber (new_number); } void do_toggle_window_visibility (int idx, bool is_visible) { wm_iterator win = windows.find (idx); if (win != windows.end ()) { if (is_visible) { win->second->show (); win->second->show_canvas (); } else win->second->hide (); } } void do_toggle_menubar_visibility (int fig_idx, bool menubar_is_figure) { wm_iterator win = windows.find (fig_idx); if (win != windows.end ()) { if (menubar_is_figure) win->second->show_menubar (); else win->second->hide_menubar (); win->second->redraw (); } } void do_mark_modified (int idx) { wm_iterator win = windows.find (idx); if (win != windows.end ()) { win->second->mark_modified (); } } void do_set_name (int idx) { wm_iterator win = windows.find (idx); if (win != windows.end ()) win->second->set_name (); } Matrix do_get_size (int idx) { Matrix sz (1, 2, 0.0); wm_iterator win = windows.find (idx); if (win != windows.end ()) { sz(0) = win->second->w (); sz(1) = win->second->h (); } return sz; } void do_print (int idx, const std::string& cmd, const std::string& term) { wm_iterator win = windows.find (idx); if (win != windows.end ()) win->second->print (cmd, term); } uint8NDArray do_get_pixels (int idx) { uint8NDArray retval; wm_iterator win = windows.find (idx); if (win != windows.end ()) retval = win->second->get_pixels (); return retval; } void do_uimenu_update (int idx, const graphics_handle& gh, int id) { wm_iterator win = windows.find (idx); if (win != windows.end ()) win->second->uimenu_update (gh, id); } void do_update_canvas (int idx, const graphics_handle& ca) { wm_iterator win = windows.find (idx); if (win != windows.end ()) { if (ca.ok ()) win->second->show_canvas (); else win->second->hide_canvas (); } } void do_update_boundingbox (int idx, bool internal) { wm_iterator win = windows.find (idx); if (win != windows.end ()) win->second->update_boundingbox (internal); } static int str2idx (const caseless_str& clstr) { int ind; if (clstr.find (fltk_idx_header, 0) == 0) { std::istringstream istr (clstr.substr (fltk_idx_header.size ())); if (istr >> ind) return ind; } error ("figure_manager: could not recognize fltk index"); } void idx2figprops (int idx, figure::properties& fp) { std::ostringstream ind_str; ind_str << fltk_idx_header << idx; fp.set___plot_stream__ (ind_str.str ()); } static int figprops2idx (const figure::properties& fp) { if (fp.get___graphics_toolkit__ () == FLTK_GRAPHICS_TOOLKIT_NAME) { octave_value ps = fp.get___plot_stream__ (); if (ps.is_string ()) return str2idx (ps.string_value ()); else return 0; } error ("figure_manager: figure is not fltk"); } static int hnd2idx (double h) { gh_manager& gh_mgr = octave::__get_gh_manager__ ("figure_manager::hnd2idx"); graphics_object fobj = gh_mgr.get_object (h); if (fobj && fobj.isa ("figure")) { figure::properties& fp = dynamic_cast<figure::properties&> (fobj.get_properties ()); return figprops2idx (fp); } error ("figure_manager: H (= %g) is not a figure", h); } static int hnd2idx (const graphics_handle& fh) { return hnd2idx (fh.value ()); } }; figure_manager *figure_manager::instance = nullptr; std::string figure_manager::fltk_idx_header="fltk index="; int figure_manager::curr_index = 1; static bool toolkit_loaded = false; class fltk_graphics_toolkit : public octave::base_graphics_toolkit { public: fltk_graphics_toolkit (octave::interpreter& interp) : octave::base_graphics_toolkit (FLTK_GRAPHICS_TOOLKIT_NAME), m_interpreter (interp), input_event_hook_fcn_id (), m_containing_dynamic_library () { Fl::visual (FL_RGB); } ~fltk_graphics_toolkit (void) { m_containing_dynamic_library.delete_later (); } bool is_valid (void) const { return true; } bool initialize (const graphics_object& go) { if (go.isa ("figure") || go.isa ("uimenu")) { if (go.isa ("uimenu")) update (go, uimenu::properties::ID_LABEL); return true; } return false; } void finalize (const graphics_object& go) { if (go.isa ("figure")) { octave_value ov = go.get (caseless_str ("__plot_stream__")); if (! ov.isempty ()) figure_manager::delete_window (ov.string_value ()); } } void uimenu_set___fltk_label__ (graphics_object uimenu_obj) { if (uimenu_obj.valid_object ()) { uimenu::properties& uimenup = dynamic_cast<uimenu::properties&> (uimenu_obj.get_properties ()); std::string fltk_label = uimenup.get_label (); gh_manager& gh_mgr = m_interpreter.get_gh_manager (); graphics_object go = gh_mgr.get_object (uimenu_obj.get_parent ()); if (go.isa ("uimenu")) fltk_label = dynamic_cast<const uimenu::properties&> (go.get_properties ()).get___fltk_label__ () + '/' + fltk_label; else if (go.isa ("figure") || go.isa ("uicontextmenu")) ; else error ("invalid parent object\n"); uimenup.set___fltk_label__ (fltk_label); } } void update (const graphics_object& go, int id) { if (go.isa ("figure")) { octave_value ov = go.get (caseless_str ("__plot_stream__")); if (! ov.isempty ()) { const figure::properties& fp = dynamic_cast<const figure::properties&> (go.get_properties ()); switch (id) { case base_properties::ID_VISIBLE: figure_manager::toggle_window_visibility (ov.string_value (), fp.is_visible ()); break; case figure::properties::ID_MENUBAR: figure_manager::toggle_menubar_visibility (ov.string_value (), fp.menubar_is ("figure")); break; case figure::properties::ID_CURRENTAXES: figure_manager::update_canvas (go.get_handle (), fp.get_currentaxes ()); break; case figure::properties::ID_NAME: case figure::properties::ID_NUMBERTITLE: figure_manager::set_name (ov.string_value ()); break; case figure::properties::ID_INTEGERHANDLE: { std::string tmp = ov.string_value (); graphics_handle gh = fp.get___myhandle__ (); figure_manager::renumber_figure (tmp, gh.value ()); figure_manager::set_name (tmp); } break; case figure::properties::ID_POSITION: figure_manager::update_boundingbox (ov.string_value (), true); break; case figure::properties::ID_OUTERPOSITION: figure_manager::update_boundingbox (ov.string_value (), false); break; } } } else if (go.isa ("uimenu")) { if (id == uimenu::properties::ID_LABEL) uimenu_set___fltk_label__ (go); graphics_object fig = go.get_ancestor ("figure"); figure_manager::uimenu_update (fig.get_handle (), go.get_handle (), id); } } void redraw_figure (const graphics_object& go) const { // We scan all figures and add those which use FLTK. gh_manager& gh_mgr = m_interpreter.get_gh_manager (); graphics_object obj = gh_mgr.get_object (0); if (obj && obj.isa ("root")) { base_properties& props = obj.get_properties (); Matrix children = props.get_all_children (); for (octave_idx_type n = 0; n < children.numel (); n++) { graphics_object fobj = gh_mgr.get_object (children (n)); if (fobj && fobj.isa ("figure")) { figure::properties& fp = dynamic_cast<figure::properties&> (fobj.get_properties ()); if (fp.get___graphics_toolkit__ () == FLTK_GRAPHICS_TOOLKIT_NAME) figure_manager::new_window (fp); } } } figure_manager::mark_modified (go.get_handle ()); Fl::check (); } void print_figure (const graphics_object& go, const std::string& term, const std::string& file_cmd, const std::string& /*debug_file*/) const { figure_manager::print (go.get_handle (), file_cmd, term); } uint8NDArray get_pixels (const graphics_object& go) const { return figure_manager::get_pixels (go.get_handle ()); } Matrix get_canvas_size (const graphics_handle& fh) const { return figure_manager::get_size (fh); } /* double get_screen_resolution (void) const { // FLTK doesn't give this info. return 72.0; // FIXME: FLTK >= 1.3.0 could do this with Fl::screen_dpi (h, v, n) // but do we need it? } */ Matrix get_screen_size (void) const { Matrix sz (1, 2, 0.0); sz(0) = Fl::w (); sz(1) = Fl::h (); return sz; } void close (void) { if (toolkit_loaded) { m_interpreter.munlock ("__init_fltk__"); octave_value_list args = input_event_hook_fcn_id; args.append (false); Fremove_input_event_hook (m_interpreter, args, 0); input_event_hook_fcn_id = octave_value_list (); figure_manager::close_all (); } } void set_input_event_hook_id (const octave_value_list& id) { input_event_hook_fcn_id = id; } private: octave::interpreter& m_interpreter; octave_value_list input_event_hook_fcn_id; octave::auto_shlib m_containing_dynamic_library; }; #endif DEFMETHOD_DLD (__fltk_check__, interp, , , doc: /* -*- texinfo -*- @deftypefn {} {} __fltk_check__ () Undocumented internal function. Calls Fl::check () @end deftypefn */) { #if defined (HAVE_FLTK) Fl::check (); if (Vdrawnow_requested) Fdrawnow (interp); return octave_value_list (); #else octave_unused_parameter (interp); err_disabled_feature ("__fltk_check__", "OpenGL and FLTK"); #endif } // Initialize the fltk graphics toolkit. DEFMETHOD_DLD (__init_fltk__, interp, , , doc: /* -*- texinfo -*- @deftypefn {} {} __init_fltk__ () Undocumented internal function. @end deftypefn */) { #if defined (HAVE_FLTK) octave::display_info& dpy_info = interp.get_display_info (); if (! dpy_info.display_available ()) error ("__init_fltk__: no graphics DISPLAY available"); else if (! toolkit_loaded) { octave::gtk_manager& gtk_mgr = interp.get_gtk_manager (); fltk_graphics_toolkit *fltk = new fltk_graphics_toolkit (interp); octave::graphics_toolkit tk (fltk); gtk_mgr.load_toolkit (tk); toolkit_loaded = true; octave_value fcn (new octave_builtin (F__fltk_check__)); octave_value fcn_handle (new octave_fcn_handle (fcn)); octave_value_list id = Fadd_input_event_hook (interp, fcn_handle, 1); fltk->set_input_event_hook_id (id); } return octave_value_list (); #else octave_unused_parameter (interp); err_disabled_feature ("__init_fltk__", "OpenGL and FLTK"); #endif } /* ## No test needed for internal helper function. %!assert (1) */ OCTAVE_NAMESPACE_END