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2a63e062b0e71c291d57aa155d9462f68fed8535
blender/intern/ghost/intern/GHOST_WindowWin32.cpp
Brecht Van Lommel 2a63e062b0 Tests: add --no-window-focus to open window without focus. 
This is useful to run OpenGL tests while continuing to do other tasks
without windows constantly popping up in the foreground.
2018-09-27 12:21:48 +02:00

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Maarten Gribnau.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ghost/intern/GHOST_WindowWin32.cpp
* \ingroup GHOST
*/
#define _USE_MATH_DEFINES
#include "GHOST_WindowWin32.h"
#include "GHOST_SystemWin32.h"
#include "GHOST_DropTargetWin32.h"
#include "GHOST_ContextNone.h"
#include "utfconv.h"
#include "utf_winfunc.h"
#if defined(WITH_GL_EGL)
# include "GHOST_ContextEGL.h"
#else
# include "GHOST_ContextWGL.h"
#endif
#ifdef WIN32_COMPOSITING
#include <Dwmapi.h>
#endif
#include <math.h>
#include <string.h>
#include <assert.h>
const wchar_t *GHOST_WindowWin32::s_windowClassName = L"GHOST_WindowClass";
const int GHOST_WindowWin32::s_maxTitleLength = 128;
/* force NVidia Optimus to used dedicated graphics */
extern "C" {
__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
}
GHOST_WindowWin32::GHOST_WindowWin32(GHOST_SystemWin32 *system,
const STR_String &title,
GHOST_TInt32 left,
GHOST_TInt32 top,
GHOST_TUns32 width,
GHOST_TUns32 height,
GHOST_TWindowState state,
GHOST_TDrawingContextType type,
bool wantStereoVisual,
bool alphaBackground,
GHOST_TUns16 wantNumOfAASamples,
GHOST_TEmbedderWindowID parentwindowhwnd,
bool is_debug)
: GHOST_Window(width, height, state,
wantStereoVisual, false, wantNumOfAASamples),
m_inLiveResize(false),
m_system(system),
m_hDC(0),
m_hasMouseCaptured(false),
m_hasGrabMouse(false),
m_nPressedButtons(0),
m_customCursor(0),
m_wantAlphaBackground(alphaBackground),
m_wintab(NULL),
m_tabletData(NULL),
m_tablet(0),
m_maxPressure(0),
m_normal_state(GHOST_kWindowStateNormal),
m_user32(NULL),
m_parentWindowHwnd(parentwindowhwnd),
m_debug_context(is_debug)
{
if (state != GHOST_kWindowStateFullScreen) {
RECT rect;
MONITORINFO monitor;
GHOST_TUns32 tw, th;
#ifndef _MSC_VER
int cxsizeframe = GetSystemMetrics(SM_CXSIZEFRAME);
int cysizeframe = GetSystemMetrics(SM_CYSIZEFRAME);
#else
// MSVC 2012+ returns bogus values from GetSystemMetrics, bug in Windows
// http://connect.microsoft.com/VisualStudio/feedback/details/753224/regression-getsystemmetrics-delivers-different-values
RECT cxrect = {0, 0, 0, 0};
AdjustWindowRectEx(&cxrect, WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_THICKFRAME | WS_DLGFRAME, FALSE, 0);
int cxsizeframe = abs(cxrect.bottom);
int cysizeframe = abs(cxrect.left);
#endif
width += cxsizeframe * 2;
height += cysizeframe * 2 + GetSystemMetrics(SM_CYCAPTION);
rect.left = left;
rect.right = left + width;
rect.top = top;
rect.bottom = top + height;
monitor.cbSize = sizeof(monitor);
monitor.dwFlags = 0;
// take taskbar into account
GetMonitorInfo(MonitorFromRect(&rect, MONITOR_DEFAULTTONEAREST), &monitor);
th = monitor.rcWork.bottom - monitor.rcWork.top;
tw = monitor.rcWork.right - monitor.rcWork.left;
if (tw < width) {
width = tw;
left = monitor.rcWork.left;
}
else if (monitor.rcWork.right < left + (int)width)
left = monitor.rcWork.right - width;
else if (left < monitor.rcWork.left)
left = monitor.rcWork.left;
if (th < height) {
height = th;
top = monitor.rcWork.top;
}
else if (monitor.rcWork.bottom < top + (int)height)
top = monitor.rcWork.bottom - height;
else if (top < monitor.rcWork.top)
top = monitor.rcWork.top;
int wintype = WS_OVERLAPPEDWINDOW;
if (m_parentWindowHwnd != 0) {
wintype = WS_CHILD;
GetWindowRect((HWND)m_parentWindowHwnd, &rect);
left = 0;
top = 0;
width = rect.right - rect.left;
height = rect.bottom - rect.top;
}
wchar_t *title_16 = alloc_utf16_from_8((char *)(const char *)title, 0);
m_hWnd = ::CreateWindowW(
s_windowClassName, // pointer to registered class name
title_16, // pointer to window name
wintype, // window style
left, // horizontal position of window
top, // vertical position of window
width, // window width
height, // window height
(HWND)m_parentWindowHwnd, // handle to parent or owner window
0, // handle to menu or child-window identifier
::GetModuleHandle(0), // handle to application instance
0); // pointer to window-creation data
free(title_16);
}
else {
wchar_t *title_16 = alloc_utf16_from_8((char *)(const char *)title, 0);
m_hWnd = ::CreateWindowW(
s_windowClassName, // pointer to registered class name
title_16, // pointer to window name
WS_POPUP | WS_MAXIMIZE, // window style
left, // horizontal position of window
top, // vertical position of window
width, // window width
height, // window height
HWND_DESKTOP, // handle to parent or owner window
0, // handle to menu or child-window identifier
::GetModuleHandle(0), // handle to application instance
0); // pointer to window-creation data
free(title_16);
}
if (m_hWnd) {
// Register this window as a droptarget. Requires m_hWnd to be valid.
// Note that OleInitialize(0) has to be called prior to this. Done in GHOST_SystemWin32.
m_dropTarget = new GHOST_DropTargetWin32(this, m_system);
if (m_dropTarget) {
::RegisterDragDrop(m_hWnd, m_dropTarget);
}
// Store a pointer to this class in the window structure
::SetWindowLongPtr(m_hWnd, GWLP_USERDATA, (LONG_PTR) this);
if (!m_system->m_windowFocus) {
// Lower to bottom and don't activate if we don't want focus
::SetWindowPos(m_hWnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
}
// Store the device context
m_hDC = ::GetDC(m_hWnd);
GHOST_TSuccess success = setDrawingContextType(type);
if (success) {
// Show the window
int nCmdShow;
switch (state) {
case GHOST_kWindowStateMaximized:
nCmdShow = SW_SHOWMAXIMIZED;
break;
case GHOST_kWindowStateMinimized:
nCmdShow = (m_system->m_windowFocus) ? SW_SHOWMINIMIZED : SW_SHOWMINNOACTIVE;
break;
case GHOST_kWindowStateNormal:
default:
nCmdShow = (m_system->m_windowFocus) ? SW_SHOWNORMAL : SW_SHOWNOACTIVATE;
break;
}
::ShowWindow(m_hWnd, nCmdShow);
#ifdef WIN32_COMPOSITING
if (alphaBackground && parentwindowhwnd == 0) {
HRESULT hr = S_OK;
// Create and populate the Blur Behind structure
DWM_BLURBEHIND bb = { 0 };
// Enable Blur Behind and apply to the entire client area
bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
bb.fEnable = true;
bb.hRgnBlur = CreateRectRgn(0, 0, -1, -1);
// Apply Blur Behind
hr = DwmEnableBlurBehindWindow(m_hWnd, &bb);
DeleteObject(bb.hRgnBlur);
}
#endif
// Force an initial paint of the window
::UpdateWindow(m_hWnd);
}
else {
//invalidate the window
::DestroyWindow(m_hWnd);
m_hWnd = NULL;
}
}
if (parentwindowhwnd != 0) {
RAWINPUTDEVICE device = {0};
device.usUsagePage = 0x01; /* usUsagePage & usUsage for keyboard*/
device.usUsage = 0x06; /* http://msdn.microsoft.com/en-us/windows/hardware/gg487473.aspx */
device.dwFlags |= RIDEV_INPUTSINK; // makes WM_INPUT is visible for ghost when has parent window
device.hwndTarget = m_hWnd;
RegisterRawInputDevices(&device, 1, sizeof(device));
}
m_wintab = ::LoadLibrary("Wintab32.dll");
if (m_wintab) {
GHOST_WIN32_WTInfo fpWTInfo = (GHOST_WIN32_WTInfo) ::GetProcAddress(m_wintab, "WTInfoA");
GHOST_WIN32_WTOpen fpWTOpen = (GHOST_WIN32_WTOpen) ::GetProcAddress(m_wintab, "WTOpenA");
// Let's see if we can initialize tablet here.
// Check if WinTab available by getting system context info.
LOGCONTEXT lc = { 0 };
lc.lcOptions |= CXO_SYSTEM;
if (fpWTInfo && fpWTInfo(WTI_DEFSYSCTX, 0, &lc)) {
// Now init the tablet
/* The maximum tablet size, pressure and orientation (tilt) */
AXIS TabletX, TabletY, Pressure, Orientation[3];
// Open a Wintab context
// Open the context
lc.lcPktData = PACKETDATA;
lc.lcPktMode = PACKETMODE;
lc.lcOptions |= CXO_MESSAGES;
lc.lcMoveMask = PACKETDATA;
/* Set the entire tablet as active */
fpWTInfo(WTI_DEVICES, DVC_X, &TabletX);
fpWTInfo(WTI_DEVICES, DVC_Y, &TabletY);
/* get the max pressure, to divide into a float */
BOOL pressureSupport = fpWTInfo(WTI_DEVICES, DVC_NPRESSURE, &Pressure);
if (pressureSupport)
m_maxPressure = Pressure.axMax;
else
m_maxPressure = 0;
/* get the max tilt axes, to divide into floats */
BOOL tiltSupport = fpWTInfo(WTI_DEVICES, DVC_ORIENTATION, &Orientation);
if (tiltSupport) {
/* does the tablet support azimuth ([0]) and altitude ([1]) */
if (Orientation[0].axResolution && Orientation[1].axResolution) {
/* all this assumes the minimum is 0 */
m_maxAzimuth = Orientation[0].axMax;
m_maxAltitude = Orientation[1].axMax;
}
else { /* no so dont do tilt stuff */
m_maxAzimuth = m_maxAltitude = 0;
}
}
if (fpWTOpen) {
// The Wintab spec says we must open the context disabled if we are using cursor masks.
m_tablet = fpWTOpen(m_hWnd, &lc, FALSE);
if (m_tablet) {
m_tabletData = new GHOST_TabletData();
m_tabletData->Active = GHOST_kTabletModeNone;
}
GHOST_WIN32_WTEnable fpWTEnable = (GHOST_WIN32_WTEnable) ::GetProcAddress(m_wintab, "WTEnable");
if (fpWTEnable) {
fpWTEnable(m_tablet, TRUE);
}
}
}
}
CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, (LPVOID *)&m_Bar);
}
GHOST_WindowWin32::~GHOST_WindowWin32()
{
if (m_Bar) {
m_Bar->SetProgressState(m_hWnd, TBPF_NOPROGRESS);
m_Bar->Release();
}
if (m_wintab) {
GHOST_WIN32_WTClose fpWTClose = (GHOST_WIN32_WTClose) ::GetProcAddress(m_wintab, "WTClose");
if (fpWTClose) {
if (m_tablet)
fpWTClose(m_tablet);
delete m_tabletData;
m_tabletData = NULL;
}
}
if (m_customCursor) {
DestroyCursor(m_customCursor);
m_customCursor = NULL;
}
if (m_hWnd != NULL && m_hDC != NULL && releaseNativeHandles()) {
::ReleaseDC(m_hWnd, m_hDC);
}
if (m_hWnd) {
if (m_dropTarget) {
// Disable DragDrop
RevokeDragDrop(m_hWnd);
// Release our reference of the DropTarget and it will delete itself eventually.
m_dropTarget->Release();
}
::SetWindowLongPtr(m_hWnd, GWLP_USERDATA, NULL);
::DestroyWindow(m_hWnd);
m_hWnd = 0;
}
}
bool GHOST_WindowWin32::getValid() const
{
return GHOST_Window::getValid() && m_hWnd != 0 && m_hDC != 0;
}
HWND GHOST_WindowWin32::getHWND() const
{
return m_hWnd;
}
void GHOST_WindowWin32::setTitle(const STR_String &title)
{
wchar_t *title_16 = alloc_utf16_from_8((char *)(const char *)title, 0);
::SetWindowTextW(m_hWnd, (wchar_t *)title_16);
free(title_16);
}
void GHOST_WindowWin32::getTitle(STR_String &title) const
{
char buf[s_maxTitleLength]; /*CHANGE + never used yet*/
::GetWindowText(m_hWnd, buf, s_maxTitleLength);
STR_String temp(buf);
title = buf;
}
void GHOST_WindowWin32::getWindowBounds(GHOST_Rect &bounds) const
{
RECT rect;
::GetWindowRect(m_hWnd, &rect);
bounds.m_b = rect.bottom;
bounds.m_l = rect.left;
bounds.m_r = rect.right;
bounds.m_t = rect.top;
}
void GHOST_WindowWin32::getClientBounds(GHOST_Rect &bounds) const
{
RECT rect;
POINT coord;
if (!IsIconic(m_hWnd)) {
::GetClientRect(m_hWnd, &rect);
coord.x = rect.left;
coord.y = rect.top;
::ClientToScreen(m_hWnd, &coord);
bounds.m_l = coord.x;
bounds.m_t = coord.y;
coord.x = rect.right;
coord.y = rect.bottom;
::ClientToScreen(m_hWnd, &coord);
bounds.m_r = coord.x;
bounds.m_b = coord.y;
}
else {
bounds.m_b = 0;
bounds.m_l = 0;
bounds.m_r = 0;
bounds.m_t = 0;
}
}
GHOST_TSuccess GHOST_WindowWin32::setClientWidth(GHOST_TUns32 width)
{
GHOST_TSuccess success;
GHOST_Rect cBnds, wBnds;
getClientBounds(cBnds);
if (cBnds.getWidth() != (GHOST_TInt32)width) {
getWindowBounds(wBnds);
int cx = wBnds.getWidth() + width - cBnds.getWidth();
int cy = wBnds.getHeight();
success = ::SetWindowPos(m_hWnd, HWND_TOP, 0, 0, cx, cy, SWP_NOMOVE | SWP_NOZORDER) ?
GHOST_kSuccess : GHOST_kFailure;
}
else {
success = GHOST_kSuccess;
}
return success;
}
GHOST_TSuccess GHOST_WindowWin32::setClientHeight(GHOST_TUns32 height)
{
GHOST_TSuccess success;
GHOST_Rect cBnds, wBnds;
getClientBounds(cBnds);
if (cBnds.getHeight() != (GHOST_TInt32)height) {
getWindowBounds(wBnds);
int cx = wBnds.getWidth();
int cy = wBnds.getHeight() + height - cBnds.getHeight();
success = ::SetWindowPos(m_hWnd, HWND_TOP, 0, 0, cx, cy, SWP_NOMOVE | SWP_NOZORDER) ?
GHOST_kSuccess : GHOST_kFailure;
}
else {
success = GHOST_kSuccess;
}
return success;
}
GHOST_TSuccess GHOST_WindowWin32::setClientSize(GHOST_TUns32 width, GHOST_TUns32 height)
{
GHOST_TSuccess success;
GHOST_Rect cBnds, wBnds;
getClientBounds(cBnds);
if ((cBnds.getWidth() != (GHOST_TInt32)width) || (cBnds.getHeight() != (GHOST_TInt32)height)) {
getWindowBounds(wBnds);
int cx = wBnds.getWidth() + width - cBnds.getWidth();
int cy = wBnds.getHeight() + height - cBnds.getHeight();
success = ::SetWindowPos(m_hWnd, HWND_TOP, 0, 0, cx, cy, SWP_NOMOVE | SWP_NOZORDER) ?
GHOST_kSuccess : GHOST_kFailure;
}
else {
success = GHOST_kSuccess;
}
return success;
}
GHOST_TWindowState GHOST_WindowWin32::getState() const
{
GHOST_TWindowState state;
// XXX 27.04.2011
// we need to find a way to combine parented windows + resizing if we simply set the
// state as GHOST_kWindowStateEmbedded we will need to check for them somewhere else.
// It's also strange that in Windows is the only platform we need to make this separation.
if (m_parentWindowHwnd != 0) {
state = GHOST_kWindowStateEmbedded;
return state;
}
if (::IsIconic(m_hWnd)) {
state = GHOST_kWindowStateMinimized;
}
else if (::IsZoomed(m_hWnd)) {
LONG_PTR result = ::GetWindowLongPtr(m_hWnd, GWL_STYLE);
if ((result & (WS_POPUP | WS_MAXIMIZE)) != (WS_POPUP | WS_MAXIMIZE))
state = GHOST_kWindowStateMaximized;
else
state = GHOST_kWindowStateFullScreen;
}
else {
state = GHOST_kWindowStateNormal;
}
return state;
}
void GHOST_WindowWin32::screenToClient(
GHOST_TInt32 inX, GHOST_TInt32 inY,
GHOST_TInt32 &outX, GHOST_TInt32 &outY) const
{
POINT point = {inX, inY};
::ScreenToClient(m_hWnd, &point);
outX = point.x;
outY = point.y;
}
void GHOST_WindowWin32::clientToScreen(
GHOST_TInt32 inX, GHOST_TInt32 inY,
GHOST_TInt32 &outX, GHOST_TInt32 &outY) const
{
POINT point = {inX, inY};
::ClientToScreen(m_hWnd, &point);
outX = point.x;
outY = point.y;
}
GHOST_TSuccess GHOST_WindowWin32::setState(GHOST_TWindowState state)
{
GHOST_TWindowState curstate = getState();
WINDOWPLACEMENT wp;
wp.length = sizeof(WINDOWPLACEMENT);
::GetWindowPlacement(m_hWnd, &wp);
if (state == GHOST_kWindowStateNormal)
state = m_normal_state;
switch (state) {
case GHOST_kWindowStateMinimized:
wp.showCmd = SW_SHOWMINIMIZED;
break;
case GHOST_kWindowStateMaximized:
wp.showCmd = SW_SHOWMAXIMIZED;
::SetWindowLongPtr(m_hWnd, GWL_STYLE, WS_OVERLAPPEDWINDOW);
break;
case GHOST_kWindowStateFullScreen:
if (curstate != state && curstate != GHOST_kWindowStateMinimized)
m_normal_state = curstate;
wp.showCmd = SW_SHOWMAXIMIZED;
wp.ptMaxPosition.x = 0;
wp.ptMaxPosition.y = 0;
::SetWindowLongPtr(m_hWnd, GWL_STYLE, WS_POPUP | WS_MAXIMIZE);
break;
case GHOST_kWindowStateEmbedded:
::SetWindowLongPtr(m_hWnd, GWL_STYLE, WS_CHILD);
break;
case GHOST_kWindowStateNormal:
default:
wp.showCmd = SW_SHOWNORMAL;
::SetWindowLongPtr(m_hWnd, GWL_STYLE, WS_OVERLAPPEDWINDOW);
break;
}
/* Clears window cache for SetWindowLongPtr */
::SetWindowPos(m_hWnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
return ::SetWindowPlacement(m_hWnd, &wp) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
}
GHOST_TSuccess GHOST_WindowWin32::setOrder(GHOST_TWindowOrder order)
{
HWND hWndInsertAfter, hWndToRaise;
if (order == GHOST_kWindowOrderBottom) {
hWndInsertAfter = HWND_BOTTOM;
hWndToRaise = ::GetWindow(m_hWnd, GW_HWNDNEXT); /* the window to raise */
}
else {
hWndInsertAfter = HWND_TOP;
hWndToRaise = NULL;
}
if (::SetWindowPos(m_hWnd, hWndInsertAfter, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE) == FALSE) {
return GHOST_kFailure;
}
if (hWndToRaise && ::SetWindowPos(hWndToRaise, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE) == FALSE) {
return GHOST_kFailure;
}
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_WindowWin32::invalidate()
{
GHOST_TSuccess success;
if (m_hWnd) {
success = ::InvalidateRect(m_hWnd, 0, FALSE) != 0 ? GHOST_kSuccess : GHOST_kFailure;
}
else {
success = GHOST_kFailure;
}
return success;
}
GHOST_Context *GHOST_WindowWin32::newDrawingContext(GHOST_TDrawingContextType type)
{
if (type == GHOST_kDrawingContextTypeOpenGL) {
#if !defined(WITH_GL_EGL)
#if defined(WITH_GL_PROFILE_CORE)
GHOST_Context *context = new GHOST_ContextWGL(
m_wantStereoVisual,
m_wantAlphaBackground,
m_wantNumOfAASamples,
m_hWnd,
m_hDC,
WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
3, 2,
GHOST_OPENGL_WGL_CONTEXT_FLAGS,
GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);
#elif defined(WITH_GL_PROFILE_ES20)
GHOST_Context *context = new GHOST_ContextWGL(
m_wantStereoVisual,
m_wantAlphaBackground,
m_wantNumOfAASamples,
m_hWnd,
m_hDC,
WGL_CONTEXT_ES2_PROFILE_BIT_EXT,
2, 0,
GHOST_OPENGL_WGL_CONTEXT_FLAGS,
GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);
#elif defined(WITH_GL_PROFILE_COMPAT)
GHOST_Context *context = new GHOST_ContextWGL(
m_wantStereoVisual,
m_wantAlphaBackground,
m_wantNumOfAASamples,
m_hWnd,
m_hDC,
#if 1
0, // profile bit
2, 1, // GL version requested
#else
// switch to this for Blender 2.8 development
WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
3, 2,
#endif
(m_debug_context ? WGL_CONTEXT_DEBUG_BIT_ARB : 0),
GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);
#else
# error
#endif
#else
#if defined(WITH_GL_PROFILE_CORE)
GHOST_Context *context = new GHOST_ContextEGL(
m_wantStereoVisual,
m_wantNumOfAASamples,
m_hWnd,
m_hDC,
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
3, 2,
GHOST_OPENGL_EGL_CONTEXT_FLAGS,
GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
EGL_OPENGL_API);
#elif defined(WITH_GL_PROFILE_ES20)
GHOST_Context *context = new GHOST_ContextEGL(
m_wantStereoVisual,
m_wantNumOfAASamples,
m_hWnd,
m_hDC,
0, // profile bit
2, 0,
GHOST_OPENGL_EGL_CONTEXT_FLAGS,
GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
EGL_OPENGL_ES_API);
#elif defined(WITH_GL_PROFILE_COMPAT)
GHOST_Context *context = new GHOST_ContextEGL(
m_wantStereoVisual,
m_wantNumOfAASamples,
m_hWnd,
m_hDC,
#if 1
0, // profile bit
2, 1, // GL version requested
#else
// switch to this for Blender 2.8 development
EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT,
3, 2,
#endif
GHOST_OPENGL_EGL_CONTEXT_FLAGS,
GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY,
EGL_OPENGL_API);
#else
# error
#endif
#endif
if (context->initializeDrawingContext())
return context;
else
delete context;
}
return NULL;
}
void GHOST_WindowWin32::lostMouseCapture()
{
if (m_hasMouseCaptured) {
m_hasGrabMouse = false;
m_nPressedButtons = 0;
m_hasMouseCaptured = false;
}
}
void GHOST_WindowWin32::registerMouseClickEvent(int press)
{
switch (press) {
case 0: m_nPressedButtons++; break;
case 1: if (m_nPressedButtons) m_nPressedButtons--; break;
case 2: m_hasGrabMouse = true; break;
case 3: m_hasGrabMouse = false; break;
}
if (!m_nPressedButtons && !m_hasGrabMouse && m_hasMouseCaptured) {
::ReleaseCapture();
m_hasMouseCaptured = false;
}
else if ((m_nPressedButtons || m_hasGrabMouse) && !m_hasMouseCaptured) {
::SetCapture(m_hWnd);
m_hasMouseCaptured = true;
}
}
void GHOST_WindowWin32::loadCursor(bool visible, GHOST_TStandardCursor cursor) const
{
if (!visible) {
while (::ShowCursor(FALSE) >= 0) ;
}
else {
while (::ShowCursor(TRUE) < 0) ;
}
if (cursor == GHOST_kStandardCursorCustom && m_customCursor) {
::SetCursor(m_customCursor);
}
else {
// Convert GHOST cursor to Windows OEM cursor
bool success = true;
LPCSTR id;
switch (cursor) {
case GHOST_kStandardCursorDefault: id = IDC_ARROW; break;
case GHOST_kStandardCursorRightArrow: id = IDC_ARROW; break;
case GHOST_kStandardCursorLeftArrow: id = IDC_ARROW; break;
case GHOST_kStandardCursorInfo: id = IDC_SIZEALL; break; // Four-pointed arrow pointing north, south, east, and west
case GHOST_kStandardCursorDestroy: id = IDC_NO; break; // Slashed circle
case GHOST_kStandardCursorHelp: id = IDC_HELP; break; // Arrow and question mark
case GHOST_kStandardCursorCycle: id = IDC_NO; break; // Slashed circle
case GHOST_kStandardCursorSpray: id = IDC_SIZEALL; break; // Four-pointed arrow pointing north, south, east, and west
case GHOST_kStandardCursorWait: id = IDC_WAIT; break; // Hourglass
case GHOST_kStandardCursorText: id = IDC_IBEAM; break; // I-beam
case GHOST_kStandardCursorCrosshair: id = IDC_CROSS; break; // Crosshair
case GHOST_kStandardCursorUpDown: id = IDC_SIZENS; break; // Double-pointed arrow pointing north and south
case GHOST_kStandardCursorLeftRight: id = IDC_SIZEWE; break; // Double-pointed arrow pointing west and east
case GHOST_kStandardCursorTopSide: id = IDC_UPARROW; break; // Vertical arrow
case GHOST_kStandardCursorBottomSide: id = IDC_SIZENS; break;
case GHOST_kStandardCursorLeftSide: id = IDC_SIZEWE; break;
case GHOST_kStandardCursorTopLeftCorner: id = IDC_SIZENWSE; break;
case GHOST_kStandardCursorTopRightCorner: id = IDC_SIZENESW; break;
case GHOST_kStandardCursorBottomRightCorner: id = IDC_SIZENWSE; break;
case GHOST_kStandardCursorBottomLeftCorner: id = IDC_SIZENESW; break;
case GHOST_kStandardCursorPencil: id = IDC_ARROW; break;
case GHOST_kStandardCursorCopy: id = IDC_ARROW; break;
default:
success = false;
}
if (success) {
::SetCursor(::LoadCursor(0, id));
}
}
}
GHOST_TSuccess GHOST_WindowWin32::setWindowCursorVisibility(bool visible)
{
if (::GetForegroundWindow() == m_hWnd) {
loadCursor(visible, getCursorShape());
}
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_WindowWin32::setWindowCursorGrab(GHOST_TGrabCursorMode mode)
{
if (mode != GHOST_kGrabDisable) {
if (mode != GHOST_kGrabNormal) {
m_system->getCursorPosition(m_cursorGrabInitPos[0], m_cursorGrabInitPos[1]);
setCursorGrabAccum(0, 0);
if (mode == GHOST_kGrabHide)
setWindowCursorVisibility(false);
}
registerMouseClickEvent(2);
}
else {
if (m_cursorGrab == GHOST_kGrabHide) {
m_system->setCursorPosition(m_cursorGrabInitPos[0], m_cursorGrabInitPos[1]);
setWindowCursorVisibility(true);
}
if (m_cursorGrab != GHOST_kGrabNormal) {
/* use to generate a mouse move event, otherwise the last event
* blender gets can be outside the screen causing menus not to show
* properly unless the user moves the mouse */
GHOST_TInt32 pos[2];
m_system->getCursorPosition(pos[0], pos[1]);
m_system->setCursorPosition(pos[0], pos[1]);
}
/* Almost works without but important otherwise the mouse GHOST location can be incorrect on exit */
setCursorGrabAccum(0, 0);
m_cursorGrabBounds.m_l = m_cursorGrabBounds.m_r = -1; /* disable */
registerMouseClickEvent(3);
}
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_WindowWin32::setWindowCursorShape(GHOST_TStandardCursor cursorShape)
{
if (m_customCursor) {
DestroyCursor(m_customCursor);
m_customCursor = NULL;
}
if (::GetForegroundWindow() == m_hWnd) {
loadCursor(getCursorVisibility(), cursorShape);
}
return GHOST_kSuccess;
}
void GHOST_WindowWin32::processWin32TabletActivateEvent(WORD state)
{
if (!m_tablet) {
return;
}
GHOST_WIN32_WTEnable fpWTEnable = (GHOST_WIN32_WTEnable) ::GetProcAddress(m_wintab, "WTEnable");
GHOST_WIN32_WTOverlap fpWTOverlap = (GHOST_WIN32_WTOverlap) ::GetProcAddress(m_wintab, "WTOverlap");
if (fpWTEnable) {
fpWTEnable(m_tablet, state);
if (fpWTOverlap && state) {
fpWTOverlap(m_tablet, TRUE);
}
}
}
void GHOST_WindowWin32::processWin32TabletInitEvent()
{
if (m_wintab && m_tabletData) {
GHOST_WIN32_WTInfo fpWTInfo = (GHOST_WIN32_WTInfo) ::GetProcAddress(m_wintab, "WTInfoA");
// let's see if we can initialize tablet here
/* check if WinTab available. */
if (fpWTInfo) {
AXIS Pressure, Orientation[3]; /* The maximum tablet size */
BOOL pressureSupport = fpWTInfo(WTI_DEVICES, DVC_NPRESSURE, &Pressure);
if (pressureSupport)
m_maxPressure = Pressure.axMax;
else
m_maxPressure = 0;
BOOL tiltSupport = fpWTInfo(WTI_DEVICES, DVC_ORIENTATION, &Orientation);
if (tiltSupport) {
/* does the tablet support azimuth ([0]) and altitude ([1]) */
if (Orientation[0].axResolution && Orientation[1].axResolution) {
m_maxAzimuth = Orientation[0].axMax;
m_maxAltitude = Orientation[1].axMax;
}
else { /* no so dont do tilt stuff */
m_maxAzimuth = m_maxAltitude = 0;
}
}
m_tabletData->Active = GHOST_kTabletModeNone;
}
}
}
void GHOST_WindowWin32::processWin32TabletEvent(WPARAM wParam, LPARAM lParam)
{
PACKET pkt;
if (m_wintab) {
GHOST_WIN32_WTPacket fpWTPacket = (GHOST_WIN32_WTPacket) ::GetProcAddress(m_wintab, "WTPacket");
if (fpWTPacket) {
if (fpWTPacket((HCTX)lParam, wParam, &pkt)) {
if (m_tabletData) {
switch (pkt.pkCursor % 3) { /* % 3 for multiple devices ("DualTrack") */
case 0:
m_tabletData->Active = GHOST_kTabletModeNone; /* puck - not yet supported */
break;
case 1:
m_tabletData->Active = GHOST_kTabletModeStylus; /* stylus */
break;
case 2:
m_tabletData->Active = GHOST_kTabletModeEraser; /* eraser */
break;
}
if (m_maxPressure > 0) {
m_tabletData->Pressure = (float)pkt.pkNormalPressure / (float)m_maxPressure;
}
else {
m_tabletData->Pressure = 1.0f;
}
if ((m_maxAzimuth > 0) && (m_maxAltitude > 0)) {
ORIENTATION ort = pkt.pkOrientation;
float vecLen;
float altRad, azmRad; /* in radians */
/*
* from the wintab spec:
* orAzimuth Specifies the clockwise rotation of the
* cursor about the z axis through a full circular range.
*
* orAltitude Specifies the angle with the x-y plane
* through a signed, semicircular range. Positive values
* specify an angle upward toward the positive z axis;
* negative values specify an angle downward toward the negative z axis.
*
* wintab.h defines .orAltitude as a UINT but documents .orAltitude
* as positive for upward angles and negative for downward angles.
* WACOM uses negative altitude values to show that the pen is inverted;
* therefore we cast .orAltitude as an (int) and then use the absolute value.
*/
/* convert raw fixed point data to radians */
altRad = (float)((fabs((float)ort.orAltitude) / (float)m_maxAltitude) * M_PI / 2.0);
azmRad = (float)(((float)ort.orAzimuth / (float)m_maxAzimuth) * M_PI * 2.0);
/* find length of the stylus' projected vector on the XY plane */
vecLen = cos(altRad);
/* from there calculate X and Y components based on azimuth */
m_tabletData->Xtilt = sin(azmRad) * vecLen;
m_tabletData->Ytilt = (float)(sin(M_PI / 2.0 - azmRad) * vecLen);
}
else {
m_tabletData->Xtilt = 0.0f;
m_tabletData->Ytilt = 0.0f;
}
}
}
}
}
}
void GHOST_WindowWin32::bringTabletContextToFront()
{
if (m_wintab) {
GHOST_WIN32_WTOverlap fpWTOverlap = (GHOST_WIN32_WTOverlap) ::GetProcAddress(m_wintab, "WTOverlap");
if (fpWTOverlap) {
fpWTOverlap(m_tablet, TRUE);
}
}
}
GHOST_TUns16 GHOST_WindowWin32::getDPIHint()
{
if (!m_user32) {
m_user32 = ::LoadLibrary("user32.dll");
}
if (m_user32) {
GHOST_WIN32_GetDpiForWindow fpGetDpiForWindow = (GHOST_WIN32_GetDpiForWindow) ::GetProcAddress(m_user32, "GetDpiForWindow");
if (fpGetDpiForWindow) {
return fpGetDpiForWindow(this->m_hWnd);
}
}
return USER_DEFAULT_SCREEN_DPI;
}
/** Reverse the bits in a GHOST_TUns8 */
static GHOST_TUns8 uns8ReverseBits(GHOST_TUns8 ch)
{
ch = ((ch >> 1) & 0x55) | ((ch << 1) & 0xAA);
ch = ((ch >> 2) & 0x33) | ((ch << 2) & 0xCC);
ch = ((ch >> 4) & 0x0F) | ((ch << 4) & 0xF0);
return ch;
}
#if 0 /* UNUSED */
/** Reverse the bits in a GHOST_TUns16 */
static GHOST_TUns16 uns16ReverseBits(GHOST_TUns16 shrt)
{
shrt = ((shrt >> 1) & 0x5555) | ((shrt << 1) & 0xAAAA);
shrt = ((shrt >> 2) & 0x3333) | ((shrt << 2) & 0xCCCC);
shrt = ((shrt >> 4) & 0x0F0F) | ((shrt << 4) & 0xF0F0);
shrt = ((shrt >> 8) & 0x00FF) | ((shrt << 8) & 0xFF00);
return shrt;
}
#endif
GHOST_TSuccess GHOST_WindowWin32::setWindowCustomCursorShape(
GHOST_TUns8 bitmap[16][2],
GHOST_TUns8 mask[16][2],
int hotX, int hotY)
{
return setWindowCustomCursorShape((GHOST_TUns8 *)bitmap, (GHOST_TUns8 *)mask,
16, 16, hotX, hotY, 0, 1);
}
GHOST_TSuccess GHOST_WindowWin32::setWindowCustomCursorShape(
GHOST_TUns8 *bitmap,
GHOST_TUns8 *mask, int sizeX, int sizeY, int hotX, int hotY,
int fg_color, int bg_color)
{
GHOST_TUns32 andData[32];
GHOST_TUns32 xorData[32];
GHOST_TUns32 fullBitRow, fullMaskRow;
int x, y, cols;
cols = sizeX / 8; /* Num of whole bytes per row (width of bm/mask) */
if (sizeX % 8) cols++;
if (m_customCursor) {
DestroyCursor(m_customCursor);
m_customCursor = NULL;
}
memset(&andData, 0xFF, sizeof(andData));
memset(&xorData, 0, sizeof(xorData));
for (y = 0; y < sizeY; y++) {
fullBitRow = 0;
fullMaskRow = 0;
for (x = cols - 1; x >= 0; x--) {
fullBitRow <<= 8;
fullMaskRow <<= 8;
fullBitRow |= uns8ReverseBits(bitmap[cols * y + x]);
fullMaskRow |= uns8ReverseBits(mask[cols * y + x]);
}
xorData[y] = fullBitRow & fullMaskRow;
andData[y] = ~fullMaskRow;
}
m_customCursor = ::CreateCursor(::GetModuleHandle(0), hotX, hotY, 32, 32, andData, xorData);
if (!m_customCursor) {
return GHOST_kFailure;
}
if (::GetForegroundWindow() == m_hWnd) {
loadCursor(getCursorVisibility(), GHOST_kStandardCursorCustom);
}
return GHOST_kSuccess;
}
GHOST_TSuccess GHOST_WindowWin32::setProgressBar(float progress)
{
/*SetProgressValue sets state to TBPF_NORMAL automaticly*/
if (m_Bar && S_OK == m_Bar->SetProgressValue(m_hWnd, 10000 * progress, 10000))
return GHOST_kSuccess;
return GHOST_kFailure;
}
GHOST_TSuccess GHOST_WindowWin32::endProgressBar()
{
if (m_Bar && S_OK == m_Bar->SetProgressState(m_hWnd, TBPF_NOPROGRESS))
return GHOST_kSuccess;
return GHOST_kFailure;
}
#ifdef WITH_INPUT_IME
void GHOST_WindowWin32::beginIME(GHOST_TInt32 x, GHOST_TInt32 y, GHOST_TInt32 w, GHOST_TInt32 h, int completed)
{
m_imeImput.BeginIME(m_hWnd, GHOST_Rect(x, y - h, x, y), (bool)completed);
}
void GHOST_WindowWin32::endIME()
{
m_imeImput.EndIME(m_hWnd);
}
#endif /* WITH_INPUT_IME */
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