ForceRotation: Difference between revisions

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imported>aapo
force rotate screen orientaion of N900
 
imported>amigadave
 
(One intermediate revision by the same user not shown)
Line 1: Line 1:
If you need the way to force some rotation of your N900 screen, this is for you.
#REDIRECT [[Using Fremantle widgets#Forcing screen rotation]]
 
/*
gcc rotate.c -lX11 -lXrandr
*/
#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
static void set_rotation (Rotation r_to) {
    Rotation r;
    int screen = -1;
    XRRScreenConfiguration* config;
    int current_size=0;
    Display* display;
    Window rootWindow;
   
        display = XOpenDisplay(":0");
        if (display == NULL) {
        return;
        }
        screen = DefaultScreen(display);
        rootWindow = RootWindow(display, screen);
        XRRRotations(display, screen, &r);
        config = XRRGetScreenInfo(display, rootWindow);
        current_size = XRRConfigCurrentConfiguration (config, &r);
        XRRSetScreenConfig(display, config, rootWindow, current_size, r_to, CurrentTime);
}
int main (int argc, char *argv[]) {
  set_rotation(RR_Rotate_90);
  //set_rotation(RR_Rotate_270);
  //set_rotation(RR_Rotate_180);
  //set_rotation(RR_Rotate_0);
}

Latest revision as of 08:52, 4 May 2011