[4] | 1 | function [out1,out2,out3] = myginput(arg1,strpointertype)
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| 2 | %MYGINPUT Graphical input from mouse with custum cursor pointer.
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| 3 | % [X,Y] = MYGINPUT(N) gets N points from the current axes and returns
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| 4 | % the X- and Y-coordinates in length N vectors X and Y.
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| 5 | %
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| 6 | % [X,Y] = MYGINPUT(N, POINTER) also specifies the cursor pointer, e.g.
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| 7 | % 'crosshair', 'arrow', 'circle' etc. See "Specifying the Figure Pointer"
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| 8 | % in Matlab's documentation to see the list of available pointers.
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| 9 | %
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| 10 | % MYGINPUT is strictly equivalent to Matlab's original GINPUT, except
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| 11 | % that a second argument specifies the cursor pointer instead of the
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| 12 | % default 'fullcrosshair' pointer.
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| 13 | %
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| 14 | % Example:
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| 15 | % plot(1:2,1:2,'s');
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| 16 | % hold on
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| 17 | % [x,y] = myginput(1,'crosshair');
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| 18 | % plot(x,y,'o');
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| 19 | % hold off
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| 20 | %
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| 21 | % MYGINPUT is copied from Matlab's GINPUT rev. 5.32.4.4.
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| 22 | %
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| 23 | % See also GINPUT.
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| 24 |
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| 25 | % F. Moisy, moisy_at_fast.u-psud.fr
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| 26 | % Revision: 1.02, Date: 2006/10/24
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| 27 | % This function is part of the EzyFit Toolbox
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| 28 |
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| 29 | % History:
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| 30 | % 2005/10/31: v1.00, first version, from GINPUT rev. 5.32.4.4.
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| 31 | % 2005/11/25: v1.01, line 'uisuspend' modified (for compatibility with
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| 32 | % ML7.00)
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| 33 | % 2006/10/24: v1.02, help text improved
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| 34 |
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| 35 | out1 = []; out2 = []; out3 = []; y = [];
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| 36 |
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| 37 | if nargin<1 % modified MYGINPUT
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| 38 | strpointertype='fullcrosshair'; % default GINPUT pointer
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| 39 | end
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| 40 |
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| 41 | c = computer;
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| 42 | if ~strcmp(c(1:2),'PC')
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| 43 | tp = get(0,'TerminalProtocol');
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| 44 | else
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| 45 | tp = 'micro';
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| 46 | end
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| 47 |
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| 48 | if ~strcmp(tp,'none') & ~strcmp(tp,'x') & ~strcmp(tp,'micro'),
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| 49 | if nargout == 1,
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| 50 | if nargin == 1,
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| 51 | out1 = trmginput(arg1);
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| 52 | else
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| 53 | out1 = trmginput;
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| 54 | end
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| 55 | elseif nargout == 2 | nargout == 0,
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| 56 | if nargin == 1,
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| 57 | [out1,out2] = trmginput(arg1);
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| 58 | else
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| 59 | [out1,out2] = trmginput;
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| 60 | end
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| 61 | if nargout == 0
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| 62 | out1 = [ out1 out2 ];
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| 63 | end
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| 64 | elseif nargout == 3,
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| 65 | if nargin == 1,
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| 66 | [out1,out2,out3] = trmginput(arg1);
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| 67 | else
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| 68 | [out1,out2,out3] = trmginput;
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| 69 | end
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| 70 | end
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| 71 | else
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| 72 |
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| 73 | fig = gcf;
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| 74 | figure(gcf);
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| 75 |
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| 76 | if nargin == 0
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| 77 | how_many = -1;
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| 78 | b = [];
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| 79 | else
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| 80 | how_many = arg1;
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| 81 | b = [];
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| 82 | if isstr(how_many) ...
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| 83 | | size(how_many,1) ~= 1 | size(how_many,2) ~= 1 ...
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| 84 | | ~(fix(how_many) == how_many) ...
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| 85 | | how_many < 0
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| 86 | error('Requires a positive integer.')
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| 87 | end
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| 88 | if how_many == 0
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| 89 | ptr_fig = 0;
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| 90 | while(ptr_fig ~= fig)
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| 91 | ptr_fig = get(0,'PointerWindow');
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| 92 | end
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| 93 | scrn_pt = get(0,'PointerLocation');
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| 94 | loc = get(fig,'Position');
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| 95 | pt = [scrn_pt(1) - loc(1), scrn_pt(2) - loc(2)];
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| 96 | out1 = pt(1); y = pt(2);
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| 97 | elseif how_many < 0
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| 98 | error('Argument must be a positive integer.')
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| 99 | end
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| 100 | end
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| 101 |
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| 102 | % Suspend axes functions
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| 103 | %haxes = findobj(fig,'type','axes');
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| 104 | state = uisuspend(fig);
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| 105 | %haxes = findobj(fig,'type','axes');
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| 106 | %state = uisuspend(haxes);
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| 107 | pointer = get(gcf,'pointer');
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| 108 | set(gcf,'pointer',strpointertype); % modified MYGINPUT
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| 109 | fig_units = get(fig,'units');
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| 110 | char = 0;
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| 111 |
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| 112 | % We need to pump the event queue on unix
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| 113 | % before calling WAITFORBUTTONPRESS
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| 114 | drawnow
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| 115 |
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| 116 | while how_many ~= 0
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| 117 | % Use no-side effect WAITFORBUTTONPRESS
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| 118 | waserr = 0;
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| 119 | try
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| 120 | keydown = wfbp;
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| 121 | catch
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| 122 | waserr = 1;
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| 123 | end
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| 124 | if(waserr == 1)
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| 125 | if(ishandle(fig))
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| 126 | set(fig,'units',fig_units);
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| 127 | uirestore(state);
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| 128 | error('Interrupted');
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| 129 | else
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| 130 | error('Interrupted by figure deletion');
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| 131 | end
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| 132 | end
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| 133 |
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| 134 | ptr_fig = get(0,'CurrentFigure');
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| 135 | if(ptr_fig == fig)
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| 136 | if keydown
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| 137 | char = get(fig, 'CurrentCharacter');
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| 138 | button = abs(get(fig, 'CurrentCharacter'));
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| 139 | scrn_pt = get(0, 'PointerLocation');
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| 140 | set(fig,'units','pixels')
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| 141 | loc = get(fig, 'Position');
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| 142 | pt = [scrn_pt(1) - loc(1), scrn_pt(2) - loc(2)];
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| 143 | set(fig,'CurrentPoint',pt);
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| 144 | else
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| 145 | button = get(fig, 'SelectionType');
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| 146 | if strcmp(button,'open')
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| 147 | button = 1;
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| 148 | elseif strcmp(button,'normal')
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| 149 | button = 1;
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| 150 | elseif strcmp(button,'extend')
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| 151 | button = 2;
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| 152 | elseif strcmp(button,'alt')
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| 153 | button = 3;
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| 154 | else
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| 155 | error('Invalid mouse selection.')
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| 156 | end
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| 157 | end
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| 158 | pt = get(gca, 'CurrentPoint');
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| 159 |
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| 160 | how_many = how_many - 1;
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| 161 |
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| 162 | if(char == 13) % & how_many ~= 0)
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| 163 | % if the return key was pressed, char will == 13,
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| 164 | % and that's our signal to break out of here whether
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| 165 | % or not we have collected all the requested data
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| 166 | % points.
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| 167 | % If this was an early breakout, don't include
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| 168 | % the <Return> key info in the return arrays.
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| 169 | % We will no longer count it if it's the last input.
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| 170 | break;
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| 171 | end
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| 172 |
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| 173 | out1 = [out1;pt(1,1)];
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| 174 | y = [y;pt(1,2)];
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| 175 | b = [b;button];
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| 176 | end
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| 177 | end
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| 178 |
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| 179 | uirestore(state);
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| 180 | set(fig,'units',fig_units);
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| 181 |
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| 182 | if nargout > 1
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| 183 | out2 = y;
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| 184 | if nargout > 2
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| 185 | out3 = b;
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| 186 | end
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| 187 | else
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| 188 | out1 = [out1 y];
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| 189 | end
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| 190 |
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| 191 | end
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| 192 |
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| 193 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 194 | function key = wfbp
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| 195 | %WFBP Replacement for WAITFORBUTTONPRESS that has no side effects.
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| 196 |
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| 197 | fig = gcf;
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| 198 | current_char = [];
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| 199 |
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| 200 | % Now wait for that buttonpress, and check for error conditions
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| 201 | waserr = 0;
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| 202 | try
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| 203 | h=findall(fig,'type','uimenu','accel','C'); % Disabling ^C for edit menu so the only ^C is for
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| 204 | set(h,'accel',''); % interrupting the function.
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| 205 | keydown = waitforbuttonpress;
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| 206 | current_char = double(get(fig,'CurrentCharacter')); % Capturing the character.
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| 207 | if~isempty(current_char) & (keydown == 1) % If the character was generated by the
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| 208 | if(current_char == 3) % current keypress AND is ^C, set 'waserr'to 1
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| 209 | waserr = 1; % so that it errors out.
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| 210 | end
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| 211 | end
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| 212 |
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| 213 | set(h,'accel','C'); % Set back the accelerator for edit menu.
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| 214 | catch
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| 215 | waserr = 1;
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| 216 | end
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| 217 | drawnow;
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| 218 | if(waserr == 1)
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| 219 | set(h,'accel','C'); % Set back the accelerator if it errored out.
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| 220 | error('Interrupted');
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| 221 | end
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| 222 |
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| 223 | if nargout>0, key = keydown; end
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| 224 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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