> I suggest to file another STR when you have a concrete proposal for an
> extension - maybe after a short discussion in
> fltk.development or even in
> fltk.general, asking for input from users what they did
> already, and what
> they would like to have...
Well, on that basis, here's the code I use... Note that I set the OSX
icons via the bundle, so they don't really appear here.
I don't know any other way of doing that in OSX, but from Mike's
comments I take it that there is an API to set them programmatically, so
that might be a way of making it more consistent with the other host OS
styles.
- in the headers I have...
// Application icon setting
#ifdef WIN32
# include "media/win32icon.h"
#elif !defined(__APPLE__) /* Not Apple and not win32 - assume Xlib
applies */
# include <X11/xpm.h>
# include "media/x_icon.xpm" /* XPM file with transparent mask */
#endif // !WIN32
- then in the main code on creating the first window I have...
// Set basic icon for window before we show it (MacOS uses app bundle
for icon...)
#ifdef WIN32
main_window->icon((char *)LoadIcon(fl_display,
MAKEINTRESOURCE(IDI_ICON)));
#elif !defined(__APPLE__) /* Not Apple and not win32 - assume Xlib */
fl_open_display(); // Make sure the display is available before we
try and change it!
Pixmap pixmap, mask; // create pixmaps to hold the icon image and
its mask
// load the XPM and prepare the mask
XpmCreatePixmapFromData(fl_display, DefaultRootWindow(fl_display),
x_icon_xpm_data, &pixmap, &mask, 0);
// assign to the fltk main window
// note that the fltk icon handling DOES NOT honour transparency,
// so we fix that AFTER the window is shown (see below)
main_window->icon((char*)pixmap);
#endif // WIN32
main_window->show();
#ifdef WIN32
// The fltk icon code above only loads the default icon.
// Here, once the window is shown, we can assign
// additional icons, just to make things a bit nicer.
{
HANDLE bigicon = LoadImage(GetModuleHandle(0),
MAKEINTRESOURCE(IDI_ICON), IMAGE_ICON, 32, 32, 0);
SendMessage(fl_xid(main_window), WM_SETICON, ICON_BIG,
(LPARAM)bigicon);
HANDLE smallicon = LoadImage(GetModuleHandle(0),
MAKEINTRESOURCE(IDI_ICON), IMAGE_ICON, 16, 16, 0);
SendMessage(fl_xid(main_window), WM_SETICON, ICON_SMALL,
(LPARAM)smallicon);
}
#elif !defined(__APPLE__) /* Not Apple and not win32 - assume Xlib */
// The fltk icon code doesn't handle XPM transparency, work around that
here...
{
// read in the current window hints, then modify them to allow icon
transparency
XWMHints* hints = XGetWMHints(fl_display, fl_xid(main_window));
hints->flags |= IconMaskHint; // ensure transparency mask is enabled
for the XPM icon
hints->icon_mask = mask; // set the transparency mask
XSetWMHints(fl_display, fl_xid(main_window), hints);
XFree(hints);
}
#endif // !WIN32
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