Hello,
I think that FLTK really should provide a maximize() method for a window.
This is my implementation of it (WIP), it works now for win32,
and for linux/X11 (with not-acient windows managers)
Any remarks?
If all is fine then I will prepare a .path against current FLTK2 SVN
(should I make patch for FLTK1 as well?)
Implemented as a method ::maximize() in my class, which is derived from
fltk::Window
Tested on x11/KDE and linux/wine and windows/xp
#ifdef __WIN32__
#include <fltk/win32.h>
#include <windows.h>
#include <windowsx.h>
#elif __linux__
#include <fltk/x11.h>
#include <X11/Xlib.h>
#else
#warning "implement me"
#endif
[...]
void cMainWindow::maximize() {
#ifdef __WIN32__
// ShowWindow -
http://msdn.microsoft.com/en-us/library/ms633548.aspx
// idea from Edzard Egberts - thanks
HWND hWnd = fltk::xid(this);
UDBG("hWnd = "+STR(hWnd));
ASSERT(hWnd);
ShowWindow(hWnd, SW_MAXIMIZE);
#elif __linux__
// coded by Rafał Maj, idea from Måns Rullgård
http://tinyurl.com/68mvk3
Display *dpy = xdisplay;
XEvent xev;
Atom wm_state = XInternAtom(dpy, "_NET_WM_STATE", False);
Atom maximizeV = XInternAtom(dpy,
"_NET_WM_STATE_MAXIMIZED_VERT", False);
Atom maximizeH = XInternAtom(dpy,
"_NET_WM_STATE_MAXIMIZED_HORZ", False);
// XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False); // that
would give
true fullscreen
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.xclient.window = fltk::xid(this);
xev.xclient.message_type = wm_state;
xev.xclient.format = 32;
xev.xclient.data.l[0] = 1;
xev.xclient.data.l[1] = maximizeV;
xev.xclient.data.l[2] = maximizeH;
xev.xclient.data.l[3] = 0;
XSendEvent(xdisplay, RootWindow(xdisplay, xscreen), 0,
SubstructureNotifyMask|SubstructureRedirectMask, &xev);
// flush it right away? Also works without this
#else
#warning "This code is not implemented yet for this
target/environment/GUI
system (so it will do nothing.. but you CAN ignore this.)"
#endif
}
later just call ::maximize()
Hmm it would seem that it must be called some time after the window is shown
fully.
So:
...create window...
window->show(argc,argv);
fltk::wait(1); // fully show the window etc
window->maximize(); // now maximize it!
and the main loop:
bool done=0;
while (!done) {
fltk::wait(1);
if (!fltk::Window::first()) done=1;
}
--
Rafał Maj
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