mirror of
https://github.com/gryf/gryf-overlay.git
synced 2025-12-29 01:42:29 +01:00
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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* WMRES -- A display resolution changer for the Window Maker menu
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* Thrown together by Sam Brauer (sam@webslingerZ.com) 01-APR-1999
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* Set this up as an external menu whose definition is read from a pipe.
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* I ripped the vidmode code from Ian Moore's gtkuickres program.
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* He in turn ripped it from Adam Kopacz's xvidmode.
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* Thanks guys!!!
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*
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* Modified by Laurent Julliard <laurent AT moldus DOT org> - -
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* - 2002-09-12 Also display the vertical Frequency next to the Video
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* mode. This is very useful when one have the same resolution with
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* different refresh rate to drive either a monitor or an external
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* video projector (useful for laptop users like me :-)
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*
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* Compilation instructions:
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* gcc -o wmres wmres.c -L/usr/X11R6/lib -lXxf86vm -lXmu -lX11
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* or maybe
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* gcc -o wmres wmres.c -L/usr/X11/lib -lXxf86vm -lXmu -lX11
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* It depends on your system/distribution where the X libraries are located.
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*/
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#include <X11/Xlib.h>
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#include <X11/extensions/xf86dga.h>
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#include <X11/extensions/xf86vmode.h>
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#include <stdio.h>
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int main (int argc, char *argv[])
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{
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Display *dpy;
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XF86VidModeModeInfo **vm_modelines;
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int vm_count;
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int i;
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unsigned int width, height, dotclock;
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dpy=XOpenDisplay("");
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XF86VidModeGetAllModeLines(dpy,XDefaultScreen(dpy),&vm_count,&vm_modelines);
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if(!(vm_count)) {
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fprintf(stderr,"error: no video modes found\n");
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exit(1);
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}
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if(argc > 3) {
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width = atoi(argv[1]);
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height = atoi(argv[2]);
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dotclock = atoi(argv[3]);
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for(i=0; i < vm_count; i++) {
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if(vm_modelines[i]->hdisplay==width && vm_modelines[i]->vdisplay==height && vm_modelines[i]->dotclock==dotclock) {
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XF86VidModeSwitchToMode(dpy,XDefaultScreen(dpy),vm_modelines[i]);
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XFlush(dpy);
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return 0;
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}
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}
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}
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printf("\"Resolutions\" MENU\n");
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for(i=0; i < vm_count; i++) {
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unsigned int vfreq = (vm_modelines[i]->dotclock*1000)/(vm_modelines[i]->htotal*vm_modelines[i]->vtotal);
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printf("\"%dx%d %dHz\" EXEC %s %d %d %d\n",vm_modelines[i]->hdisplay,vm_modelines[i]->vdisplay, vfreq, argv[0], vm_modelines[i]->hdisplay, vm_modelines[i]->vdisplay, vm_modelines[i]->dotclock);
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}
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printf("\"Resolutions\" END\n");
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return 0;
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}
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