glfw/src/win32_monitor.c
2011-10-06 23:28:56 +02:00

129 lines
3.9 KiB
C

//========================================================================
// GLFW - An OpenGL library
// Platform: X11 (Unix)
// API version: 3.0
// WWW: http://www.glfw.org/
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <stdlib.h>
#include <string.h>
// The MinGW package for Debian lacks this
#ifndef EDS_ROTATEDMODE
#define EDS_ROTATEDMODE 0x00000004
#endif
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
_GLFWmonitor** _glfwCreateMonitor(_GLFWmonitor** current,
DISPLAY_DEVICE* adapter,
DISPLAY_DEVICE* monitor,
DEVMODE* setting)
{
HDC dc = NULL;
*current = _glfwMalloc(sizeof(_GLFWmonitor));
memset(*current, 0, sizeof(_GLFWmonitor));
dc = CreateDC("DISPLAY", monitor->DeviceString, NULL, NULL);
(*current)->physicalWidth = GetDeviceCaps(dc, HORZSIZE);
(*current)->physicalHeight = GetDeviceCaps(dc, VERTSIZE);
DeleteDC(dc);
(*current)->name = _glfwMalloc(strlen(monitor->DeviceName) + 1);
memcpy((*current)->name, monitor->DeviceName, strlen(monitor->DeviceName) + 1);
(*current)->name[strlen(monitor->DeviceName)] = '\0';
(*current)->screenX = setting->dmPosition.x;
(*current)->screenY = setting->dmPosition.y;
memcpy((*current)->Win32.name, adapter->DeviceName, 32);
return &((*current)->next);
}
_GLFWmonitor* _glfwDestroyMonitor(_GLFWmonitor* monitor)
{
_GLFWmonitor* result;
result = monitor->next;
_glfwFree(monitor->name);
_glfwFree(monitor);
return result;
}
void _glfwInitMonitors(void)
{
_GLFWmonitor** curMonitor;
DISPLAY_DEVICE adapter;
DWORD adapterNum;
DISPLAY_DEVICE monitor;
DEVMODE setting;
DWORD settingNum;
curMonitor = &_glfwLibrary.monitorListHead;
adapter.cb = sizeof(DISPLAY_DEVICE);
adapterNum = 0;
monitor.cb = sizeof(DISPLAY_DEVICE);
setting.dmSize = sizeof(DEVMODE);
settingNum = 0;
while (EnumDisplayDevices(NULL, adapterNum++, &adapter, 0))
{
if (adapter.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER)
continue;
EnumDisplaySettingsEx(adapter.DeviceName,
ENUM_CURRENT_SETTINGS,
&setting,
EDS_ROTATEDMODE);
EnumDisplayDevices(adapter.DeviceName, 0, &monitor, 0);
curMonitor = _glfwCreateMonitor(curMonitor, &adapter, &monitor, &setting);
}
}
void _glfwTerminateMonitors(void)
{
while (_glfwLibrary.monitorListHead)
_glfwLibrary.monitorListHead = _glfwDestroyMonitor(_glfwLibrary.monitorListHead);
}