Re: [AD] SF.net SVN: alleg:[13184] allegro/branches/4.9

[Peter Wang <novalazy@xxxxxxxxxx>]

On 2010-04-03, Thomas Fjellstrom <tfjellstrom@xxxxxxxxxx> wrote:
> On April 3, 2010, Peter Wang wrote:
> > On 2010-04-03, Thomas Fjellstrom <tfjellstrom@xxxxxxxxxx> wrote:
> > > On April 3, 2010, Milan Mimica wrote:
> > > > Thomas Fjellstrom wrote:
> > > > > Please do :) I'll try and fix anything I can in the X code.
> > > > 
> > > > I'm running at 1280x800, NVIDIA 177.80, xorg-1.4.0.90
> > > > 
> > > > ex_fs_resize:
> > > > When started it displays at some _random_ point on the "virtual
> > > > screen". (You know that x11 feature where you can change the
> > > > resolution and retain original desktop size, you sort of zoom-in and
> > > > move the "camera" with the mouse pointer. I can achieve the same
> > > > result by pressing ctrl+art+numpad_plus/numpad_minus.) I can move
> > > > the "camera" rectangle to the allegro (supposedly fullscreen) window
> > > > and then the "camera" is stuck there (which is a good thing). The
> > > > problem is (apart from having to place the "camera") is that the
> > > > bottom part of the screen is missing. Notice the difference in ratio
> > > > between my original desktop size and the one set by the example.
> > > 
> > > Very weird, the first thing the example does is set the windows
> > > position to the display's x,y offset, so it should show up at 0x0 on
> > > the first adapter. And the second thing it does is grab the mouse so
> > > it can't go outside the window.
> > 
> > I think we need the stuff in _al_xsys_xfvm_fullscreen_to_display,
> > i.e. XF86VidModeSetViewPort.
> 
> Nope. That does something completely different. And isn't required at all 
> for XRandR, which is what everyone is getting right now. And infact trying 
> to use Xf86vm with xrandr would probably make a mess of things.

Ok.

> the logic in xdpy_create_display to make the window frame less, and set its 
> position to the monitor's absolute position should work fine. And does on my 
> systems.

Milan's description sounded like the window is indeed frameless, and
positioned somewhere (I assumed at 0,0 but Milan will have to confirm)
but the *viewport* is not initially at 0,0.

Peter