view scripts/plot/patch.m @ 15848:424edeca3c66

Redo portions of file editor to use more signals/slots rather than casting. * file-editor-tab.cc, file-editor-tab.h (file_editor_tab::~file_editor_tab): Add. Delete lexer to prevent memory leak. Delete _edit_area to prevent memory leak. (file_editor_tab::conditional_close): Add. Simple slot that uses QWidget pointer as unique ID, not for function call. (file_editor_tab::file_name_query): Add. Simple slot that signals file name to whomever is connected. (file_editor_tab::find, file_editor_tab : public QWidget): Removed use of exec() and keep a pointer to the find_dialog as a member. Toggle hide()/show() via a connected slot to toggle visibility as desired. * file-editor.cc, file-editor.h, file-editor-tab.cc file-editor-tab.h (file_editor : public file_editor_interface, file_editor_tab : public QWidget, file_editor_tab::file_editor_tab, file_editor_tab::closeEvent, file_editor_tab::load_file, file_editor_tab::new_file, file_editor_tab::run_file): Remove _file_editor pointer member from file_editor_tab and rid file_editor::get_main_window from file_editor. There should be no need for such information about higher-level hierarchy inside lower-level objects. (file_editor::request_open_file, file_editor_tab::open_file): Move QFileDialog to file_editor::request_open_file and delete file_editor_tab::open_file since most of the remaining functionality is in file_editor_tab::load_file. (file_editor::active_editor_tab): Deleted. (file_editor::fetab_change_request, file_editor_tab::change_editor_state): Added to initiate a request for the editor tab to change focus. (file_editor_tab::editor_state_changed): Added arguments to pass the copy status and the directory path so that editor doesn't have to call functions for such information. (file_editor::handle_editor_state_changed): Add copying directory of the file_editor_tab to the current editing directory. (file_editor::check_conflict_save, file_editor_tab::editor_check_conflict_save, file_editor_tab::save_file_as, file_editor_tab::handle_save_file_as_answer): Moved a portion of the save-file-as dialog mechanism to the file_editor where all file names can be obtained to check for conflict with already open files. The new signal indicates to the editor that a name check be done, and in turn the editor signals the tab to save the file. * main-window.cc, file-editor.cc, file-editor.h, file-editor-interface.h (file_editor::terminal, file_editor : public file_editor_interface, file_editor_interface : public QDockWidget): Since file_editor_tab no longer looks up to main_window, remove _main_window and _terminal from file_editor and file_editor_interface, as well as file_editor::terminal. * file-editor-tab.cc (file_editor_tab::file_has_changed): Make the dialog boxes non-modal and use slots to handle user answers. (file_editor_tab::closeEvent): Remove portion that accesses upper hierarchy member functions, can find better approaches. (file_editor_tab::file_editor_tab): Make there no parent for QsciScintilla so that window modality can be set to individual editor. * file-editor-tab.cc, file-editor.cc (file_editor_tab::load_file): Use show() member rather than exec() and set modality to window so that rest of application may function. Return a QString with message rather than a boolean. * file-editor-tab.cc, (file_editor_tab::file_has_changed): Remove static variable alreadyAsking. Multiple file_editor_tabs are using this code so do not want to block recognition of multiple file having changed on disk (bug #37406). Instead, simply stop tracking via the file watcher. (file_editor_tab::save_file, file_editor_tab::save_file_as, file_editor_tab::handle_save_file_as_answer, file_editor_tab::handle_save_file_as_answer_close): Added a remove_on_success variable. Changed the QFileDialog to WindowModal and created slots to handle file selected signal and finished signal. Signal/slot connects vary based upon remove_on_success setting. (file_editor_tab::check_file_modified): Changed the QFileDialog to NonModal and attach some slots. Editor tab can't be parent in case deleted, so use read-only state of the editor area. * file-editor-tab.h (file_editor_tab : public QWidget): New signals for file_editor for tab and file name management. (file_editor_tab::get_file_name): Delete. * file-editor.h (file_editor : public file_editor_interface): Make QStringList sessionFileNames a member of file_editor so that it can retain data between file_editor_tab signals. Also can be used for checking precense of filenames and prevent opening multiple copies (bug #36869) Added signals for file editor tabs--settings_changed, fetab_close_request, and query_file_name. Three new slots for tab and file name management. * file-editor-interface.h, file-editor.h (file_editor_interface::add_file_editor_tab, file_editor::add_file_editor_tab): Made the text name for the tab an input variable. * file-editor.cc (file_editor::~file_editor): Replace dynamic_cast with simple signal querying all file editor tabs for file names which end up in savedSessionTabs. (file_editor::handle_file_name_changed): Dynamic cast not necessary since QObject and QWidget are compatible. (file_editor::handle_tab_close_request): Replace dynamic_cast with signal to request file_editor_tab with associated tabID tag should close. (file_editor::handle_tab_remove_request): Rename of handle_tab_close_request. Instead of dynamic cast, loop through pointers comparing QWidget* to QObject*, if same tag remove tab via index and also delete which fixes a memory leak. (file_editor::handle_add_filename_to_list): Simple slot that uses append() of the list member functions. (file_editor::notice_settings): Rather than dynamic cast, emit signal for the file_editor_tabs. (file_editor::add_file_editor_tab): New variety of connections for improved flow. (file_editor::request_open_file): Given error messages are made WindowModal, the tab shouldn't be delete if file open is not successful. The file_editor_tab takes care of that. (file_editor::request_open_file): Added check and message box for the requested file already open in editor. For the non-interactive overloaded version, open a message dialog box to tell the user file not found, e.g., could not find file in the settings when launched. (file_editor::request_open_file): Inquire file names and update list before checking for existence of files. Supply empty title to editor tab then have file_editor_tab update name. * file-editor-tab.h, file-editor-tab.cc, file-editor.cc (file_editor_tab::run_file): New signal process_octave_code. (file_editor::add_file_editor_tab): Connect signal process_octave_code to file_editor's parent's slot handle_command_double_clicked.
author Daniel J Sebald <daniel.sebald@ieee.org>
date Sun, 23 Dec 2012 14:33:48 -0600
parents f3d52523cde1
children 854cfc72c64f
line wrap: on
line source

## Copyright (C) 2005-2012 John W. Eaton
##
## 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
## <http://www.gnu.org/licenses/>.

## -*- texinfo -*-
## @deftypefn  {Function File} {} patch ()
## @deftypefnx {Function File} {} patch (@var{x}, @var{y}, @var{c})
## @deftypefnx {Function File} {} patch (@var{x}, @var{y}, @var{z}, @var{c})
## @deftypefnx {Function File} {} patch (@var{fv})
## @deftypefnx {Function File} {} patch ("Faces", @var{f}, "Vertices", @var{v}, @dots{})
## @deftypefnx {Function File} {} patch (@dots{}, @var{prop}, @var{val})
## @deftypefnx {Function File} {} patch (@var{h}, @dots{})
## @deftypefnx {Function File} {@var{h} =} patch (@dots{})
## Create patch object from @var{x} and @var{y} with color @var{c} and
## insert in the current axes object.  Return handle to patch object.
##
## For a uniform colored patch, @var{c} can be given as an RGB vector,
## scalar value referring to the current colormap, or string value (for
## example, "r" or "red").
##
## If passed a structure @var{fv} contain the fields "vertices", "faces"
## and optionally "facevertexcdata", create the patch based on these
## properties.
##
## The optional return value @var{h} is a graphics handle to the created patch
## object.
## @seealso{fill}
## @end deftypefn

## Author: jwe

function retval = patch (varargin)

  [h, varargin] = __plt_get_axis_arg__ ("patch", varargin{:});

  [tmp, failed] = __patch__ (h, varargin{:});

  if (failed)
    print_usage ();
  endif

  if (nargout > 0)
    retval = tmp;
  endif

endfunction


%!demo
%! %% Patches with same number of vertices
%! clf;
%! t1 = (1/16:1/8:1)' * 2*pi;
%! t2 = ((1/16:1/8:1)' + 1/32) * 2*pi;
%! x1 = sin (t1) - 0.8;
%! y1 = cos (t1);
%! x2 = sin (t2) + 0.8;
%! y2 = cos (t2);
%! patch ([x1,x2], [y1,y2], 'r');

%!demo
%! %% Unclosed patch
%! clf;
%! t1 = (1/16:1/8:1)' * 2*pi;
%! t2 = ((1/16:1/16:1)' + 1/32) * 2*pi;
%! x1 = sin (t1) - 0.8;
%! y1 = cos (t1);
%! x2 = sin (t2) + 0.8;
%! y2 = cos (t2);
%! patch ([[x1;NaN(8,1)],x2], [[y1;NaN(8,1)],y2], 'r');

%!demo
%! %% Specify vertices and faces separately
%! clf;
%! t1 = (1/16:1/8:1)' * 2*pi;
%! t2 = ((1/16:1/16:1)' + 1/32) * 2*pi;
%! x1 = sin (t1) - 0.8;
%! y1 = cos (t1);
%! x2 = sin (t2) + 0.8;
%! y2 = cos (t2);
%! vert = [x1, y1; x2, y2];
%! fac = [1:8,NaN(1,8);9:24];
%! patch ('Faces',fac, 'Vertices',vert, 'FaceColor','r');

%!demo
%! %% Specify vertices and faces separately
%! clf;
%! t1 = (1/16:1/8:1)' * 2*pi;
%! t2 = ((1/16:1/16:1)' + 1/32) * 2*pi;
%! x1 = sin (t1) - 0.8;
%! y1 = cos (t1);
%! x2 = sin (t2) + 0.8;
%! y2 = cos (t2);
%! vert = [x1, y1; x2, y2];
%! fac = [1:8,NaN(1,8);9:24];
%! patch ('Faces',fac, 'Vertices',vert, 'FaceVertexCData',[0, 1, 0; 0, 0, 1]);

%!demo
%! %% Property change on multiple patches
%! clf;
%! t1 = (1/16:1/8:1)' * 2*pi;
%! t2 = ((1/16:1/8:1)' + 1/32) * 2*pi;
%! x1 = sin (t1) - 0.8;
%! y1 = cos (t1);
%! x2 = sin (t2) + 0.8;
%! y2 = cos (t2);
%! h = patch ([x1,x2], [y1,y2], cat (3, [0,0],[1,0],[0,1]));
%! pause (1);
%! set (h, 'FaceColor', 'r');

%!demo
%! clf;
%! vertices = [0, 0, 0;
%!             1, 0, 0;
%!             1, 1, 0;
%!             0, 1, 0;
%!             0.5, 0.5, 1];
%! faces = [1, 2, 5;
%!          2, 3, 5;
%!          3, 4, 5;
%!          4, 1, 5];
%! patch ('Vertices', vertices, 'Faces', faces, ...
%!        'FaceVertexCData', jet (4), 'FaceColor', 'flat');
%! view (-37.5, 30);

%!demo
%! clf;
%! vertices = [0, 0, 0;
%!             1, 0, 0;
%!             1, 1, 0;
%!             0, 1, 0;
%!             0.5, 0.5, 1];
%! faces = [1, 2, 5;
%!          2, 3, 5;
%!          3, 4, 5;
%!          4, 1, 5];
%! patch  ('Vertices', vertices, 'Faces', faces, ...
%!        'FaceVertexCData', jet (5), 'FaceColor', 'interp');
%! view (-37.5, 30);

%!demo
%! clf;
%! colormap (jet (64));
%! x = [0 1 1 0];
%! y = [0 0 1 1];
%! subplot (2,1,1);
%!  title ('Blue, Light-Green, and Red Horizontal Bars');
%!  patch (x, y + 0, 1);
%!  patch (x, y + 1, 2);
%!  patch (x, y + 2, 3);
%! subplot (2,1,2);
%!  title ('Blue, Light-Green, and Red Vertical Bars');
%!  patch (x + 0, y, 1 * ones (size (x)));
%!  patch (x + 1, y, 2 * ones (size (x)));
%!  patch (x + 2, y, 3 * ones (size (x)));

%!demo
%! clf;
%! colormap (jet (64));
%! x = [0 1 1 0];
%! y = [0 0 1 1];
%! subplot (2,1,1);
%!  title ('Blue horizontal bars: Dark to Light');
%!  patch (x, y + 0, 1, 'cdatamapping', 'direct');
%!  patch (x, y + 1, 9, 'cdatamapping', 'direct');
%!  patch (x, y + 2, 17, 'cdatamapping', 'direct');
%! subplot (2,1,2);
%!  title ('Blue vertical bars: Dark to Light');
%!  patch (x + 0, y, 1 * ones (size (x)), 'cdatamapping', 'direct');
%!  patch (x + 1, y, 9 * ones (size (x)), 'cdatamapping', 'direct');
%!  patch (x + 2, y, 17 * ones (size (x)), 'cdatamapping', 'direct');

%!demo
%! clf;
%! colormap (jet (64));
%! x = [ 0 0; 1 1; 1 0 ];
%! y = [ 0 0; 0 1; 1 1 ];
%! p = patch (x, y, 'facecolor', 'b');
%! title ('Two blue triangles');
%! set (p, 'cdatamapping', 'direct', 'facecolor', 'flat', 'cdata', [1 32]);
%! title ('Direct mapping of colors: Light-Green UL and Blue LR triangles');

%!demo
%! clf;
%! colormap (jet (64));
%! x = [ 0 0; 1 1; 1 0 ];
%! y = [ 0 0; 0 1; 1 1 ];
%! p = patch (x, y, [1 32]);
%! title ('Autoscaling of colors: Red UL and Blue LR triangles');

%!test
%! hf = figure ("visible", "off");
%! unwind_protect
%!   h = patch ();
%!   assert (findobj (hf, "type", "patch"), h);
%!   assert (get (h, "xdata"), [0; 1; 0], eps);
%!   assert (get (h, "ydata"), [1; 1; 0], eps);
%!   assert (isempty (get (h, "zdata")));
%!   assert (isempty (get (h, "cdata")));
%!   assert (get (h, "faces"), [1, 2, 3], eps);
%!   assert (get (h, "vertices"), [0 1; 1 1; 0 0], eps);
%!   assert (get (h, "type"), "patch");
%!   assert (get (h, "facecolor"), [0 0 0]);
%!   assert (get (h, "linestyle"), get (0, "defaultpatchlinestyle"));
%!   assert (get (h, "linewidth"), get (0, "defaultpatchlinewidth"), eps);
%!   assert (get (h, "marker"), get (0, "defaultpatchmarker"));
%!   assert (get (h, "markersize"), get (0, "defaultpatchmarkersize"));
%! unwind_protect_cleanup
%!   close (hf);
%! end_unwind_protect

%!test
%! hf = figure ("visible", "off");
%! c = 0.9;
%! unwind_protect
%!   h = patch ([0 1 0], [0 1 1], c);
%!   assert (get (gca, "clim"), [c - 1, c + 1]);
%!   h = patch ([0 1 0], [0 1 1], 2 * c);
%!   assert (get (gca, "clim"), [c, 2 * c]);
%! unwind_protect_cleanup
%!   close (hf);
%! end_unwind_protect