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# dmxcb.c File Reference

`#include "dmx.h"`
`#include "dmxcb.h"`
`#include "dmxinput.h"`
`#include "dmxlog.h"`

## Functions
void | dmxSetWidthHeight (int width, int height)
void | dmxComputeWidthHeight (DMXRecomputeFlag flag)
void | dmxConnectionBlockCallback (void)
## Variables
int | dmxGlobalWidth
int | dmxGlobalHeight

## Detailed Description

This code queries and modifies the connection block.

## Function Documentation

void dmxComputeWidthHeight | ( | DMXRecomputeFlag | flag | ) |

| Computes the global bounding box for DMX. This may be larger than the one computed by Xinerama because of the DMX configuration file.

void dmxConnectionBlockCallback | ( | void |  | ) |

| A callback routine that hooks into Xinerama and provides a convenient place to print summary log information during server startup. This routine does not modify any values.

void dmxSetWidthHeight | ( | int | width,
|  | int | height
| ) |

| We may want the wall dimensions to be different from the bounding box dimensions that Xinerama computes, so save those and update them here.

## Variable Documentation

int dmxGlobalHeight

| The cursor position, in global coordinates.

int dmxGlobalWidth

| The cursor position, in global coordinates.