> On 05/11/12 10:11, Greg Ercolano wrote:
> > On 05/11/12 06:32, Matthias Melcher wrote:
> > If there's bugs/shortcomings with Fl_Text_Display's
> > caret + keynav, we should probably fix it, so that it
> > can be a fully functional replacement for Fl_Multiline_Output.
> >
> > I did notice, as David did, that the caret would sometimes
> > not appear. I found if the window opened when my mouse wasn't in it,
> > the caret wouldn't appear. And moving the mouse INTO the window
> > didn't make it appear.
>
> I've opened STR#2844 for this on David's behalf for this
> to be investigated.
>
> The Fl_Text_XXX widgets seem pretty complex under the hood,
> so I'm leaving it open for someone to investigate who's familiar
> with it.
Before I discuss caret behavior.
I have a further related issue (it's all bound up in the same widget).
I need to trap all keystrokes so
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Text_Display.H>
class EventWindow : public Fl_Double_Window
{
private:
// Fl_Text_Buffer* buff;
// Fl_Text_Display* disp;
int handle_keyup(int event, int key, int state);
int handle_keydn(int event, int key, int state);
public:
EventWindow();
int handle(int e);
};
EventWindow::EventWindow() : Fl_Double_Window(640,480,"Display")
{
// buff = new Fl_Text_Buffer();
// disp = new Fl_Text_Display(20,20,640-40,480-40);
// disp->buffer(buff); add(*disp); show();
// buff->text("line 0\nline 1\nline 2\nline 3\nline 4\nline 5\n");
}
int EventWindow::handle(int event)
{
switch (event) {
case FL_KEYUP:
return handle_keyup(event,Fl::event_key(),Fl::event_state());
case FL_KEYBOARD:
return handle_keydn(event,Fl::event_key(),Fl::event_state());
default:
return Fl_Double_Window::handle(event);
};
}
int EventWindow::handle_keydn(int pEvent, int pKey,int pState)
{
printf("KeyDN Key = %d State = %d\n",pKey,pState);fflush(stdout);
return 1;
}
int EventWindow::handle_keyup(int pEvent, int pKey,int pState)
{
printf("KeyUP Key = %d State = %d\n",pKey,pState);fflush(stdout);
return 1;
}
int main()
{
EventWindow* win = new EventWindow();
win->show();
return Fl::run();
}
Running the program as is You get a keyup for all keys.
Removing all comments and NOW (KP_arrows, arrows,
KP_home,KP_end,home,end,others??)
generate a KEYUP BUT NOT a KEYDOWN(KEYBOARD). I don't understand ?
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