// Poll for changes in the set of connected monitors
//
void _glfwPollMonitorsMir(void)
{
int i;
MirDisplayConfiguration* displayConfig =
mir_connection_create_display_config(_glfw.mir.connection);
for (i = 0; i < displayConfig->num_outputs; i++)
{
const MirDisplayOutput* out = displayConfig->outputs + i;
if (out->used &&
out->connected &&
out->num_modes &&
out->current_mode < out->num_modes)
{
_GLFWmonitor* monitor = _glfwAllocMonitor("Unknown",
out->physical_width_mm,
out->physical_height_mm);
monitor->mir.x = out->position_x;
monitor->mir.y = out->position_y;
monitor->mir.outputId = out->output_id;
monitor->mir.curMode = out->current_mode;
monitor->modes = _glfwPlatformGetVideoModes(monitor, &monitor->modeCount);
_glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST);
}
}
mir_display_config_destroy(displayConfig);
}
static void registryHandleGlobalRemove(void *data,
struct wl_registry *registry,
uint32_t name)
{
int i;
_GLFWmonitor* monitor;
for (i = 0; i < _glfw.monitorCount; ++i)
{
monitor = _glfw.monitors[i];
if (monitor->wl.name == name)
{
_glfwInputMonitor(monitor, GLFW_DISCONNECTED, 0);
return;
}
}
}
// Poll for changes in the set of connected monitors
//
void _glfwPollMonitorsWin32(void)
{
int i, disconnectedCount;
_GLFWmonitor** disconnected = NULL;
DWORD adapterIndex, displayIndex;
DISPLAY_DEVICEW adapter, display;
_GLFWmonitor* monitor;
disconnectedCount = _glfw.monitorCount;
if (disconnectedCount)
{
disconnected = calloc(_glfw.monitorCount, sizeof(_GLFWmonitor*));
memcpy(disconnected,
_glfw.monitors,
_glfw.monitorCount * sizeof(_GLFWmonitor*));
}
for (adapterIndex = 0; ; adapterIndex++)
{
int type = _GLFW_INSERT_LAST;
ZeroMemory(&adapter, sizeof(adapter));
adapter.cb = sizeof(adapter);
if (!EnumDisplayDevicesW(NULL, adapterIndex, &adapter, 0))
break;
if (!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
continue;
if (adapter.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
type = _GLFW_INSERT_FIRST;
for (displayIndex = 0; ; displayIndex++)
{
ZeroMemory(&display, sizeof(display));
display.cb = sizeof(display);
if (!EnumDisplayDevicesW(adapter.DeviceName, displayIndex, &display, 0))
break;
if (!(display.StateFlags & DISPLAY_DEVICE_ACTIVE))
continue;
for (i = 0; i < disconnectedCount; i++)
{
if (disconnected[i] &&
wcscmp(disconnected[i]->win32.displayName,
display.DeviceName) == 0)
{
disconnected[i] = NULL;
break;
}
}
if (i < disconnectedCount)
continue;
monitor = createMonitor(&adapter, &display);
if (!monitor)
{
free(disconnected);
return;
}
_glfwInputMonitor(monitor, GLFW_CONNECTED, type);
type = _GLFW_INSERT_LAST;
}
// HACK: If an active adapter does not have any display devices
// (as sometimes happens), add it directly as a monitor
if (displayIndex == 0)
{
for (i = 0; i < disconnectedCount; i++)
{
if (disconnected[i] &&
wcscmp(disconnected[i]->win32.adapterName,
adapter.DeviceName) == 0)
{
disconnected[i] = NULL;
break;
}
}
if (i < disconnectedCount)
continue;
monitor = createMonitor(&adapter, NULL);
if (!monitor)
{
free(disconnected);
return;
}
_glfwInputMonitor(monitor, GLFW_CONNECTED, type);
}
}
for (i = 0; i < disconnectedCount; i++)
{
if (disconnected[i])
_glfwInputMonitor(disconnected[i], GLFW_DISCONNECTED, 0);
}
free(disconnected);
}
// Poll for changes in the set of connected monitors
//
void _glfwPollMonitorsWin32(void)
{
int i, disconnectedCount;
_GLFWmonitor** disconnected;
DWORD adapterIndex, displayIndex;
DISPLAY_DEVICEW adapter, display;
GLFWbool hasDisplays = GLFW_FALSE;
disconnectedCount = _glfw.monitorCount;
disconnected = calloc(_glfw.monitorCount, sizeof(_GLFWmonitor*));
memcpy(disconnected,
_glfw.monitors,
_glfw.monitorCount * sizeof(_GLFWmonitor*));
// HACK: Check if any active adapters have connected displays
// If not, this is a headless system or a VMware guest
for (adapterIndex = 0; ; adapterIndex++)
{
ZeroMemory(&adapter, sizeof(DISPLAY_DEVICEW));
adapter.cb = sizeof(DISPLAY_DEVICEW);
if (!EnumDisplayDevicesW(NULL, adapterIndex, &adapter, 0))
break;
if (!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
continue;
ZeroMemory(&display, sizeof(DISPLAY_DEVICEW));
display.cb = sizeof(DISPLAY_DEVICEW);
if (EnumDisplayDevicesW(adapter.DeviceName, 0, &display, 0))
{
hasDisplays = GLFW_TRUE;
break;
}
}
for (adapterIndex = 0; ; adapterIndex++)
{
int type = _GLFW_INSERT_LAST;
ZeroMemory(&adapter, sizeof(DISPLAY_DEVICEW));
adapter.cb = sizeof(DISPLAY_DEVICEW);
if (!EnumDisplayDevicesW(NULL, adapterIndex, &adapter, 0))
break;
if (!(adapter.StateFlags & DISPLAY_DEVICE_ACTIVE))
continue;
if (adapter.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
type = _GLFW_INSERT_FIRST;
if (hasDisplays)
{
for (displayIndex = 0; ; displayIndex++)
{
ZeroMemory(&display, sizeof(DISPLAY_DEVICEW));
display.cb = sizeof(DISPLAY_DEVICEW);
if (!EnumDisplayDevicesW(adapter.DeviceName, displayIndex, &display, 0))
break;
for (i = 0; i < disconnectedCount; i++)
{
if (disconnected[i] &&
wcscmp(disconnected[i]->win32.displayName,
display.DeviceName) == 0)
{
disconnected[i] = NULL;
break;
}
}
if (i < disconnectedCount)
continue;
_glfwInputMonitor(createMonitor(&adapter, &display),
GLFW_CONNECTED, type);
type = _GLFW_INSERT_LAST;
}
}
else
{
for (i = 0; i < disconnectedCount; i++)
{
if (disconnected[i] &&
wcscmp(disconnected[i]->win32.adapterName,
adapter.DeviceName) == 0)
{
disconnected[i] = NULL;
break;
}
}
if (i < disconnectedCount)
continue;
_glfwInputMonitor(createMonitor(&adapter, NULL),
GLFW_CONNECTED, type);
}
}
for (i = 0; i < disconnectedCount; i++)
{
if (disconnected[i])
_glfwInputMonitor(disconnected[i], GLFW_DISCONNECTED, 0);
}
free(disconnected);
}
static void outputHandleDone(void* data, struct wl_output* output)
{
struct _GLFWmonitor *monitor = data;
_glfwInputMonitor(monitor, GLFW_CONNECTED, _GLFW_INSERT_LAST);
}
// Poll for changes in the set of connected monitors
//
void _glfwPollMonitorsX11(void)
{
if (_glfw.x11.randr.available && !_glfw.x11.randr.monitorBroken)
{
int i, j, disconnectedCount, screenCount = 0;
_GLFWmonitor** disconnected = NULL;
XineramaScreenInfo* screens = NULL;
XRRScreenResources* sr = XRRGetScreenResourcesCurrent(_glfw.x11.display,
_glfw.x11.root);
RROutput primary = XRRGetOutputPrimary(_glfw.x11.display,
_glfw.x11.root);
if (_glfw.x11.xinerama.available)
screens = XineramaQueryScreens(_glfw.x11.display, &screenCount);
disconnectedCount = _glfw.monitorCount;
if (disconnectedCount)
{
disconnected = calloc(_glfw.monitorCount, sizeof(_GLFWmonitor*));
memcpy(disconnected,
_glfw.monitors,
_glfw.monitorCount * sizeof(_GLFWmonitor*));
}
for (i = 0; i < sr->noutput; i++)
{
int type, widthMM, heightMM;
XRROutputInfo* oi;
XRRCrtcInfo* ci;
_GLFWmonitor* monitor;
oi = XRRGetOutputInfo(_glfw.x11.display, sr, sr->outputs[i]);
if (oi->connection != RR_Connected || oi->crtc == None)
{
XRRFreeOutputInfo(oi);
continue;
}
for (j = 0; j < disconnectedCount; j++)
{
if (disconnected[j] &&
disconnected[j]->x11.output == sr->outputs[i])
{
disconnected[j] = NULL;
break;
}
}
if (j < disconnectedCount)
{
XRRFreeOutputInfo(oi);
continue;
}
ci = XRRGetCrtcInfo(_glfw.x11.display, sr, oi->crtc);
if (ci->rotation == RR_Rotate_90 || ci->rotation == RR_Rotate_270)
{
widthMM = oi->mm_height;
heightMM = oi->mm_width;
}
else
{
widthMM = oi->mm_width;
heightMM = oi->mm_height;
}
monitor = _glfwAllocMonitor(oi->name, widthMM, heightMM);
monitor->x11.output = sr->outputs[i];
monitor->x11.crtc = oi->crtc;
for (j = 0; j < screenCount; j++)
{
if (screens[j].x_org == ci->x &&
screens[j].y_org == ci->y &&
screens[j].width == ci->width &&
screens[j].height == ci->height)
{
monitor->x11.index = j;
break;
}
}
if (monitor->x11.output == primary)
type = _GLFW_INSERT_FIRST;
else
type = _GLFW_INSERT_LAST;
_glfwInputMonitor(monitor, GLFW_CONNECTED, type);
XRRFreeOutputInfo(oi);
XRRFreeCrtcInfo(ci);
}
XRRFreeScreenResources(sr);
if (screens)
XFree(screens);
for (i = 0; i < disconnectedCount; i++)
{
if (disconnected[i])
_glfwInputMonitor(disconnected[i], GLFW_DISCONNECTED, 0);
}
free(disconnected);
}
else
{
const int widthMM = DisplayWidthMM(_glfw.x11.display, _glfw.x11.screen);
const int heightMM = DisplayHeightMM(_glfw.x11.display, _glfw.x11.screen);
_glfwInputMonitor(_glfwAllocMonitor("Display", widthMM, heightMM),
GLFW_CONNECTED,
_GLFW_INSERT_FIRST);
}
}
