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function ged_insert(k,win)
//xset, xget used because ged should handle both old and new style
global active men
//check if user changes is mind
active=active+1;men=k
if active>1 then return,end
ged_current_figure=xget('window')
xset('window',win)
isold=get('figure_style')=='old'
if isold then
message('this menu does not apply to old style graphics')
xset('window',ged_current_figure)
return
end
scf(win);
ged_cur_fig_handle=gcf();
mess1 = "Press the right mouse button (during a while) to stop the line creation";
mess2 = "Press any mouse button to complete the object drawing"
entities=['Rectangle','Segment','Polyline','Arrow','Double Arrow', ...
'Text','Circle']
default_axes = gca(); // get the default axes where we start
f=gcf();
job='annotation'
if job=='annotation' then axes = get_insertion_axes(job,f),end
[k,xc,yc]=ged_click()
pix=f.pixmap; f.pixmap='on'
default_axes = gca(); // get the default axes where we start
rep(3)=-1
select k
case -100 then //window has been closed
ged_insert_end(),return
case 1 then //Single Line
axes = get_insertion_axes(job,f,default_axes,xc,yc)
[xc,yc] = xchange(xc,yc,'f2i'); // I pass to pixel
sca(axes); // I change axes and therefore change the scale
[xc,yc] = xchange(xc,yc,'i2f'); // in the new scale I recompute the corresponding pixel values
xpoly([xc;xc],[yc;yc])
show_pixmap()
r=gce();r.foreground=-1;
r.clip_state='off';
xinfo(mess2)
while rep(3)==-1 do
rep=xgetmouse(0,[%t %t])
r.data=[xc,yc;rep(1),rep(2)]
show_pixmap()
xinfo(mess2)
end
case 2 then //Polyline (stroken line)
axes = get_insertion_axes(job,f,default_axes,xc,yc)
[xc,yc] = xchange(xc,yc,'f2i');
sca(axes);
[xc,yc] = xchange(xc,yc,'i2f');
xpoly([xc;xc],[yc;yc])
show_pixmap()
r=gce();r.foreground=-1;
r.data(:,3)=0.;
r.clip_state='off';
xinfo(mess1)
while %t
rep(3)=-1;
while rep(3)==-1 do
rep=xgetmouse(0)
r.data($,:)= [rep(1),rep(2),0]
show_pixmap()
xinfo(mess1)
end
if or(rep(3)==[2 5 -100]) then break,end
r.data=[r.data;r.data($,:)]
end
case 3 // Arrow (single arrow)
axes = get_insertion_axes(job,f,default_axes,xc,yc)
[xc,yc] = xchange(xc,yc,'f2i');
sca(axes);
[xc,yc] = xchange(xc,yc,'i2f');
xpoly([xc;xc],[yc;yc])
show_pixmap()
r=gce();r.foreground=-1;
r.data(:,3)=0.;
r.polyline_style = 4;
r.arrow_size_factor=10; // change the factor to have a nice arrow
r.clip_state='off';
xinfo(mess2)
yc = [];
while rep(3)==-1 do
rep=xgetmouse(0,[%t %t])
r.data($,:)= [rep(1),rep(2),0]
show_pixmap()
xinfo(mess2)
end
// case 4 // Double Arrow
// axes = get_insertion_axes(job,f,default_axes,xc,yc)
// [xc,yc] = xchange(xc,yc,'f2i');
// sca(axes);
// [xc,yc] = xchange(xc,yc,'i2f');
// xpoly([xc;xc],[yc;yc])
// r1=gce();r.foreground=-1;
// r1.data(:,3)=0.;
// r1.polyline_style = 4;
// r1.arrow_size_factor=5; // change the factor to have a nice arrow
// r1.clip_state='off';
//
// // second polyline (for the seconf arrow from end to origin)
// xpoly([xc;xc],[yc;yc])
// //xpoly([r.data(2,1);r.data(1,1)],[r.data(2,2);r.data(1,2)])
// r2=gce();r.foreground=-1;
// r2.data(:,3)=0.;
// r2.polyline_style = 4;
// r2.arrow_size_factor=5; // change the factor to have a nice arrow
// r2.clip_state='off';
//
// xinfo(mess2)
// show_pixmap()
// while rep(3)==-1 do
// rep=xgetmouse(0,[%t %t])
// drawlater();
// r1.data($,:)= [rep(1),rep(2),0]
// r2.data(1,:)= [rep(1),rep(2),0]
// drawnow();
// show_pixmap()
// xinfo(mess2)
// end
case 4 then //Text
// open a dialog to enter the text
text = x_dialog("Enter the new text here.","") ;
if ( text <> [] & text <> "" ) then
// do nothing if cancel button has been pressed or no text entered
// get the position of the text
xstring( xc, yc, text ) ;
end
show_pixmap() ;
case 5 then //Rectangle
axes = get_insertion_axes(job,f,default_axes,xc,yc)
[xc,yc] = xchange(xc,yc,'f2i');
sca(axes);
[xc,yc] = xchange(xc,yc,'i2f');
xrect(xc,yc,0,0)
show_pixmap()
r=gce();r.foreground=-1;
r.clip_state='off';
xinfo(mess2)
while rep(3)==-1 do
rep=xgetmouse(0,[%t %t])
r.data=[mini(xc,rep(1)),maxi(yc,rep(2)),abs(xc-rep(1)),abs(yc-rep(2))]
show_pixmap()
xinfo(mess2)
end
case 6 then //Circle
axes = get_insertion_axes(job,f,default_axes,xc,yc)
[xc,yc] = xchange(xc,yc,'f2i');
sca(axes);
[xc,yc] = xchange(xc,yc,'i2f');
xarc(xc,yc,0,0,0,64*360)
show_pixmap()
r=gce();r.foreground=-1;
r.clip_state='off';
xinfo(mess2)
while rep(3)==-1 do
rep=xgetmouse(0,[%t %t])
r.data=[mini(xc,rep(1)),maxi(yc,rep(2)),abs(xc-rep(1)),abs(yc-rep(2)),0,64*360]
show_pixmap()
xinfo(mess2)
end
end
ged_insert_end()
endfunction
function axes = get_insertion_axes(job,f,default_axes,xc,yc)
if job=='annotation' then //special axes used
axes=f.children(1)
if axes.user_data=="annotation" then return,end
// create a new specialized axes at left bottom of the window
//it shoud be better if the annotation axes be directly attached to
//the figure (to be done)
axes=newaxes();
axes.user_data="annotation"
axes.axes_bounds=[0,1,0.15,0.15];
axes.margins=[0 0 0 0];
axes.axes_visible = ["off","off","off"]
axes.background=f.background;
else //get the axes containing the point xc,yc
//the point xc,yc is given in user coordinate relative to the
//default_axes axes entity.
nb_axes = size(f.children,'*')
// for now I consider that all children of a figure are of type Axes
axes_size = f.axes_size // given in pixels
axes_size = [axes_size axes_size];
[x,y]=xchange(xc,yc,'f2i')
found=%f
for i=1:nb_axes
axes = f.children(i);
cur_axes_bounds = axes.axes_bounds;
rect = cur_axes_bounds.*axes_size; // rectangle in pixels (margins inside)
rect(3) = rect(3) + rect(1);
rect(4) = rect(4) + rect(2);
if (x>rect(1) & x<rect(3) & y>rect(2) & y<rect(4)) then found=%t,break,end
end
if ~found then axes=[],end
end
endfunction
function ged_insert_end()
if or(win==winsid()) then // the window still exists
sca(default_axes); // resume the default axes
f=gcf()
f.pixmap=stripblanks(pix)
clearglobal active men
end
if win<>ged_current_figure then xset('window',ged_current_figure),end
endfunction
function [men,xc,yc]=ged_click()
global men
[btn,xc,yc]=xclick()
if btn==-100 then men=-100,end
for k=1:3,end
job=men
endfunction
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