private unsafe void UpdateMonitors()
{
if (p_sdl_GetNumVideoDisplays == null)
{
p_sdl_GetNumVideoDisplays = Sdl2Native.LoadFunction <SDL_GetNumVideoDisplays_t>("SDL_GetNumVideoDisplays");
}
if (p_sdl_GetDisplayUsableBounds_t == null)
{
p_sdl_GetDisplayUsableBounds_t = Sdl2Native.LoadFunction <SDL_GetDisplayUsableBounds_t>("SDL_GetDisplayUsableBounds");
}
ImGuiPlatformIOPtr platformIO = ImGui.GetPlatformIO();
Marshal.FreeHGlobal(platformIO.NativePtr->Monitors.Data);
int numMonitors = p_sdl_GetNumVideoDisplays();
IntPtr data = Marshal.AllocHGlobal(Unsafe.SizeOf <ImGuiPlatformMonitor>() * numMonitors);
platformIO.NativePtr->Monitors = new ImVector(numMonitors, numMonitors, data);
for (int i = 0; i < numMonitors; i++)
{
Rectangle r;
p_sdl_GetDisplayUsableBounds_t(i, &r);
ImGuiPlatformMonitorPtr monitor = platformIO.Monitors[i];
monitor.DpiScale = 1f;
monitor.MainPos = new Vector2(r.X, r.Y);
monitor.MainSize = new Vector2(r.Width, r.Height);
monitor.WorkPos = new Vector2(r.X, r.Y);
monitor.WorkSize = new Vector2(r.Width, r.Height);
}
}
private static void SetUpMonitorData()
{
ImGuiPlatformIOPtr platformIO = ImGui.GetPlatformIO();
var platformMonitors = new List <ImGuiPlatformMonitor>();
{
Monitor *[] monitors = GLFW.GetMonitors();
for (int i = 0; i < monitors.Length; i++)
{
Monitor * monitor = monitors[i];
ImGuiPlatformMonitor m = new ImGuiPlatformMonitor();
var vidMode = GLFW.GetVideoMode(monitor);
GLFW.GetMonitorPos(monitor, out int x, out int y);
m.MainPos = m.WorkPos = new Vector2(x, y);
m.MainSize = m.WorkSize = new Vector2(vidMode->Width, vidMode->Height);
GLFW.GetMonitorContentScale(monitor, out float xScale, out float yScale);
m.DpiScale = xScale;
platformMonitors.Add(m);
}
}
_monitorData = platformMonitors.ToArray();
_monitorDataPin = GCHandle.Alloc(_monitorData, GCHandleType.Pinned);
var platformMonitorsPtrs = new ImGuiPlatformMonitorPtr[_monitorData.Length];
for (int i = 0; i < _monitorData.Length; i++)
{
fixed(ImGuiPlatformMonitor *ptr = &_monitorData[i])
{
platformMonitorsPtrs[i] = new ImGuiPlatformMonitorPtr(ptr);
}
}
_monitorPtrData = platformMonitorsPtrs;
_monitorPtrDataPin = GCHandle.Alloc(_monitorPtrData, GCHandleType.Pinned);
_monitorsPtrVector = new ImVector <ImGuiPlatformMonitor>(_monitorPtrData.Length,
_monitorPtrData.Length,
_monitorDataPin.AddrOfPinnedObject());
{
ImGuiPlatformIO *ptr = platformIO;
ImVector v = Unsafe.As <ImVector <ImGuiPlatformMonitor>, ImVector>(ref _monitorsPtrVector);
ptr->Monitors = v;
}
}
private unsafe static void UpdateMonitors()
{
#if DEBUG
using Profiler fullProfiler = new Profiler(typeof(ImGuiController));
#endif
ImGuiPlatformIOPtr plIo = ImGui.GetPlatformIO();
Marshal.FreeHGlobal(plIo.NativePtr->Monitors.Data);
int numMonitors = Sdl_GetNumVideoDisplays();
IntPtr data = Marshal.AllocHGlobal(Unsafe.SizeOf <ImGuiPlatformMonitor>() * numMonitors);
plIo.NativePtr->Monitors = new ImVector(numMonitors, numMonitors, data);
for (int i = 0; i < numMonitors; i++)
{
Rectangle r;
Sdl_GetDisplayUsableBounds(i, &r);
ImGuiPlatformMonitorPtr monitor = plIo.Monitors[i];
monitor.DpiScale = 1f;
monitor.MainPos = new Vector2(r.X, r.Y);
monitor.MainSize = new Vector2(r.Width, r.Height);
monitor.WorkPos = new Vector2(r.X, r.Y);
monitor.WorkSize = new Vector2(r.Width, r.Height);
}
}
