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/****************************************************************************
* Screen functions.
* Copyright (C) 2005 Joe Wingbermuehle
****************************************************************************/
#include "jwm.h"
#include "screen.h"
#include "main.h"
#include "cursor.h"
static ScreenType *screens;
static int screenCount;
/****************************************************************************
****************************************************************************/
void
InitializeScreens()
{
screens = NULL;
}
/****************************************************************************
****************************************************************************/
void
StartupScreens()
{
#ifdef USE_XINERAMA
XineramaScreenInfo *info;
int x;
if(XineramaIsActive(display)) {
info = XineramaQueryScreens(display, &screenCount);
screens = Allocate(sizeof(ScreenType) * screenCount);
for(x = 0; x < screenCount; x++) {
screens[x].index = x;
screens[x].x = info[x].x_org;
screens[x].y = info[x].y_org;
screens[x].width = info[x].width;
screens[x].height = info[x].height;
}
JXFree(info);
} else {
screenCount = 1;
screens = Allocate(sizeof(ScreenType));
screens->index = 0;
screens->x = 0;
screens->y = 0;
screens->width = rootWidth;
screens->height = rootHeight;
}
#else
screenCount = 1;
screens = Allocate(sizeof(ScreenType));
screens->index = 0;
screens->x = 0;
screens->y = 0;
screens->width = rootWidth;
screens->height = rootHeight;
#endif /* USE_XINERAMA */
}
/****************************************************************************
****************************************************************************/
void
ShutdownScreens()
{
if(screens) {
Release(screens);
screens = NULL;
}
}
/****************************************************************************
****************************************************************************/
void
DestroyScreens()
{
}
/****************************************************************************
****************************************************************************/
const ScreenType *GetCurrentScreen(int x, int y) {
ScreenType *sp;
int index;
for(index = 1; index < screenCount; index++) {
sp = &screens[index];
if(x >= sp->x && x < sp->x + sp->width) {
if(y >= sp->y && y <= sp->y + sp->height) {
return sp;
}
}
}
return &screens[0];
}
/****************************************************************************
****************************************************************************/
const ScreenType *GetMouseScreen() {
#ifdef USE_XINERAMA
int x, y;
GetMousePosition(&x, &y);
return GetCurrentScreen(x, y);
#else
return &screens[0];
#endif
}
/****************************************************************************
****************************************************************************/
const ScreenType *GetScreen(int index) {
Assert(index >= 0);
Assert(index < screenCount);
return &screens[index];
}
/****************************************************************************
****************************************************************************/
int
GetScreenCount()
{
return screenCount;
}
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