Here's a fluid file that is probably a good way to do it.
The goal here:
* Create an 'Application' class that contains:
a) a menubar that has File->Open and File->Save
b) Two Fl_File_Chooser widgets; open_dialog and save_dialog
which are hidden by default
* When File->Open is selected, the callback opens the "Open" file
chooser by show()ing it
* When File->Save is selected, the callback opens the "Save" file
chooser by show()ing it
You should be able to select the items to open the dialogs, and when
you hit either OK or Cancel, the Fl_File_Chooser automatically handles
hide()ing the dialogs.
I didn't put in any code to handle the OK buttons in the choosers;
that's up to you. See the docs on Fl_File_Chooser for how to handle
those buttons, and how to manipulate the contents of the dialogs
so that you can do things with what the user selected or typed in.
You should be able to copy/paste the following into a 'foo.fl' file,
load it into fluid, then hit File->Write Code to generate the
foo.h and foo.cxx files which you should then be able to compile.
Look at the properties for each item in the fluid hierarchy to see
what settings I've made, or just look closely at the .fl file below;
it's surprisingly human readable. (Most widget builder's files aren't!)
* * *
# data file for the Fltk User Interface Designer (fluid)
version 1.0108
header_name {.h}
code_name {.cxx}
decl {\#include <FL/Fl_File_Chooser.H>} {public global
}
class MyApplication {open : {public Fl_Window}
} {
decl {Fl_File_Chooser *open_dialog;} {}
decl {Fl_File_Chooser *save_dialog;} {}
Function {MyApplication(int X,int Y):Fl_Window(X,Y)} {open
} {
Fl_Window {} {
label {My Application} open
xywh {1192 290 400 200} type Double resizable
class Fl_Group visible
} {
Fl_Menu_Bar {} {open
xywh {0 0 415 20}
} {
Submenu {} {
label File open
xywh {0 0 63 21}
} {
MenuItem {} {
label Open
callback {open_dialog->show();}
xywh {0 0 31 21}
}
MenuItem {} {
label Save
callback {save_dialog->show();}
xywh {0 0 31 21}
}
}
}
}
code {// MyApplication: CONSTRUCTOR
open_dialog = new Fl_File_Chooser(".", 0, Fl_File_Chooser::SINGLE, "Open File");
save_dialog = new Fl_File_Chooser(".", 0, Fl_File_Chooser::CREATE, "Save
File");} {selected
}
}
}
Function {} {open
} {
code {MyApplication *app = new MyApplication(400,200);
app->show();
return(Fl::run());} {}
}
* * *
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