ForceRotation

(force rotate screen orientaion of N900)
(wikify, use <source>)
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If you need the way to force some rotation of your N900 screen, this is for you.
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If you need the way to force some rotation of your [[Nokia N900|N900]] screen, this is for you.
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/*
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<source lang="c">
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gcc rotate.c -lX11 -lXrandr
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/*
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*/
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gcc rotate.c -lX11 -lXrandr
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#include <X11/Xlib.h>
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*/
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#include <X11/extensions/Xrandr.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/Xrandr.h>
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static void set_rotation (Rotation r_to) {
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    Rotation r;
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static void set_rotation (Rotation r_to) {
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    int screen = -1;
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  Rotation r;
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    XRRScreenConfiguration* config;
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  int screen = -1;
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    int current_size=0;
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  XRRScreenConfiguration* config;
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  int current_size=0;
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    Display* display;
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    Window rootWindow;
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  Display* display;
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  Window rootWindow;
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        display = XOpenDisplay(":0");
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        if (display == NULL) {
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      display = XOpenDisplay(":0");
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        return;
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      if (display == NULL) {
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        }
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        return;
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      }
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        screen = DefaultScreen(display);
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        rootWindow = RootWindow(display, screen);
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      screen = DefaultScreen(display);
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        XRRRotations(display, screen, &r);
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      rootWindow = RootWindow(display, screen);
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        config = XRRGetScreenInfo(display, rootWindow);
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      XRRRotations(display, screen, &r);
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        current_size = XRRConfigCurrentConfiguration (config, &r);
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      config = XRRGetScreenInfo(display, rootWindow);
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        XRRSetScreenConfig(display, config, rootWindow, current_size, r_to, CurrentTime);
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      current_size = XRRConfigCurrentConfiguration (config, &r);
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}
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      XRRSetScreenConfig(display, config, rootWindow, current_size, r_to, CurrentTime);
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}
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int main (int argc, char *argv[]) {
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  set_rotation(RR_Rotate_90);
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int main (int argc, char *argv[]) {
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  //set_rotation(RR_Rotate_270);
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set_rotation(RR_Rotate_90);
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  //set_rotation(RR_Rotate_180);
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//set_rotation(RR_Rotate_270);
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  //set_rotation(RR_Rotate_0);
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//set_rotation(RR_Rotate_180);
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}
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//set_rotation(RR_Rotate_0);
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}
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</source>
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[[Category:Development]]
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[[Category:N900]]

Revision as of 07:56, 4 May 2011

If you need the way to force some rotation of your N900 screen, this is for you. 

/*
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);
}
Retrieved from "http://wiki.maemo.org/ForceRotation"