// 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);
}
void _glfwAddOutputWayland(uint32_t name, uint32_t version)
{
_GLFWmonitor *monitor;
struct wl_output *output;
if (version < 2)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Unsupported output interface version");
return;
}
// The actual name of this output will be set in the geometry handler.
monitor = _glfwAllocMonitor(NULL, 0, 0);
output = wl_registry_bind(_glfw.wl.registry,
name,
&wl_output_interface,
2);
if (!output)
{
_glfwFreeMonitor(monitor);
return;
}
monitor->wl.scale = 1;
monitor->wl.output = output;
monitor->wl.name = name;
wl_output_add_listener(output, &outputListener, monitor);
}
// Create monitor from an adapter and (optionally) a display
//
static _GLFWmonitor* createMonitor(DISPLAY_DEVICEW* adapter,
DISPLAY_DEVICEW* display)
{
_GLFWmonitor* monitor;
char* name;
HDC dc;
if (display)
name = _glfwCreateUTF8FromWideStringWin32(display->DeviceString);
else
name = _glfwCreateUTF8FromWideStringWin32(adapter->DeviceString);
if (!name)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Failed to convert string to UTF-8");
return NULL;
}
dc = CreateDCW(L"DISPLAY", adapter->DeviceName, NULL, NULL);
monitor = _glfwAllocMonitor(name,
GetDeviceCaps(dc, HORZSIZE),
GetDeviceCaps(dc, VERTSIZE));
DeleteDC(dc);
free(name);
if (adapter->StateFlags & DISPLAY_DEVICE_MODESPRUNED)
monitor->win32.modesPruned = GLFW_TRUE;
wcscpy(monitor->win32.adapterName, adapter->DeviceName);
WideCharToMultiByte(CP_UTF8, 0,
adapter->DeviceName, -1,
monitor->win32.publicAdapterName,
sizeof(monitor->win32.publicAdapterName),
NULL, NULL);
if (display)
{
wcscpy(monitor->win32.displayName, display->DeviceName);
WideCharToMultiByte(CP_UTF8, 0,
display->DeviceName, -1,
monitor->win32.publicDisplayName,
sizeof(monitor->win32.publicDisplayName),
NULL, NULL);
}
return monitor;
}
void _glfwAddOutput(uint32_t name, uint32_t version)
{
_GLFWmonitor *monitor;
struct wl_output *output;
char name_str[80];
memset(name_str, 0, 80 * sizeof(char));
snprintf(name_str, 79, "wl_output@%u", name);
if (version < 2)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Unsupported output interface version");
return;
}
monitor = _glfwAllocMonitor(name_str, 0, 0);
output = wl_registry_bind(_glfw.wl.registry,
name,
&wl_output_interface,
2);
if (!output)
{
_glfwFreeMonitor(monitor);
return;
}
monitor->wl.modes = calloc(4, sizeof(_GLFWvidmodeWayland));
monitor->wl.modesSize = 4;
monitor->wl.output = output;
wl_output_add_listener(output, &output_listener, monitor);
if (_glfw.wl.monitorsCount + 1 >= _glfw.wl.monitorsSize)
{
_GLFWmonitor** monitors = _glfw.wl.monitors;
int size = _glfw.wl.monitorsSize * 2;
monitors = realloc(monitors, size * sizeof(_GLFWmonitor*));
_glfw.wl.monitors = monitors;
_glfw.wl.monitorsSize = size;
}
_glfw.wl.monitors[_glfw.wl.monitorsCount++] = monitor;
}
// Create monitor from an adapter and (optionally) a display
//
static _GLFWmonitor* createMonitor(DISPLAY_DEVICEW* adapter,
DISPLAY_DEVICEW* display)
{
_GLFWmonitor* monitor;
int widthMM, heightMM;
char* name;
HDC dc;
DEVMODEW dm;
RECT rect;
if (display)
name = _glfwCreateUTF8FromWideStringWin32(display->DeviceString);
else
name = _glfwCreateUTF8FromWideStringWin32(adapter->DeviceString);
if (!name)
return NULL;
ZeroMemory(&dm, sizeof(dm));
dm.dmSize = sizeof(dm);
EnumDisplaySettingsW(adapter->DeviceName, ENUM_CURRENT_SETTINGS, &dm);
dc = CreateDCW(L"DISPLAY", adapter->DeviceName, NULL, NULL);
if (IsWindows8Point1OrGreater())
{
widthMM = GetDeviceCaps(dc, HORZSIZE);
heightMM = GetDeviceCaps(dc, VERTSIZE);
}
else
{
widthMM = (int) (dm.dmPelsWidth * 25.4f / GetDeviceCaps(dc, LOGPIXELSX));
heightMM = (int) (dm.dmPelsHeight * 25.4f / GetDeviceCaps(dc, LOGPIXELSY));
}
DeleteDC(dc);
monitor = _glfwAllocMonitor(name, widthMM, heightMM);
free(name);
if (adapter->StateFlags & DISPLAY_DEVICE_MODESPRUNED)
monitor->win32.modesPruned = GLFW_TRUE;
wcscpy(monitor->win32.adapterName, adapter->DeviceName);
WideCharToMultiByte(CP_UTF8, 0,
adapter->DeviceName, -1,
monitor->win32.publicAdapterName,
sizeof(monitor->win32.publicAdapterName),
NULL, NULL);
if (display)
{
wcscpy(monitor->win32.displayName, display->DeviceName);
WideCharToMultiByte(CP_UTF8, 0,
display->DeviceName, -1,
monitor->win32.publicDisplayName,
sizeof(monitor->win32.publicDisplayName),
NULL, NULL);
}
rect.left = dm.dmPosition.x;
rect.top = dm.dmPosition.y;
rect.right = dm.dmPosition.x + dm.dmPelsWidth;
rect.bottom = dm.dmPosition.y + dm.dmPelsHeight;
EnumDisplayMonitors(NULL, &rect, monitorCallback, (LPARAM) monitor);
return monitor;
}
// 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);
}
}
