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