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-rw-r--r--pjsip-apps/src/vidgui/vidwin.cpp309
1 files changed, 309 insertions, 0 deletions
diff --git a/pjsip-apps/src/vidgui/vidwin.cpp b/pjsip-apps/src/vidgui/vidwin.cpp
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+++ b/pjsip-apps/src/vidgui/vidwin.cpp
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+/* $Id: vidwin.cpp 4060 2012-04-17 09:55:30Z ming $ */
+/*
+ * Copyright (C) 2011 Teluu Inc. (http://www.teluu.com)
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include "vidwin.h"
+#include <QEvent>
+
+#define THIS_FILE "vidwin.cpp"
+#define TRACE_(...) PJ_LOG(4,(THIS_FILE, __VA_ARGS__))
+
+VidWin::VidWin(const pjmedia_vid_dev_hwnd *hwnd_,
+ QWidget* parent,
+ Qt::WindowFlags f) :
+ QWidget(parent, f), orig_parent(NULL),
+ size_hint(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX)
+{
+ setAttribute(Qt::WA_NativeWindow);
+
+ /* Make this widget a bit "lighter" */
+ setAttribute(Qt::WA_UpdatesDisabled);
+ setAttribute(Qt::WA_PaintOnScreen);
+ setAttribute(Qt::WA_NoSystemBackground);
+ setAttribute(Qt::WA_PaintOutsidePaintEvent);
+ setUpdatesEnabled(false);
+
+ pj_bzero(&hwnd, sizeof(hwnd));
+ if (hwnd_) {
+ hwnd = *hwnd_;
+ }
+}
+
+
+VidWin::~VidWin()
+{
+ show_sdl(false);
+ detach();
+}
+
+void VidWin::putIntoLayout(QBoxLayout *box)
+{
+ box->addWidget(this, 1);
+ show();
+ activateWindow();
+}
+
+bool VidWin::event(QEvent *e)
+{
+ switch(e->type()) {
+
+ case QEvent::Resize:
+ set_size();
+ break;
+
+ case QEvent::ParentChange:
+ get_size();
+ if (0) {
+ QRect qr = rect();
+ if (qr.width() > size_hint.width())
+ size_hint.setWidth(qr.width());
+ if (qr.height() > size_hint.height())
+ size_hint.setWidth(qr.height());
+ }
+ setFixedSize(size_hint);
+ attach();
+ break;
+
+ case QEvent::Show:
+ show_sdl(true);
+ // revert to default size hint, make it resizable
+ setFixedSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
+ break;
+
+ case QEvent::Hide:
+ show_sdl(false);
+ break;
+
+ default:
+ break;
+ }
+
+ return QWidget::event(e);
+}
+
+/* Platform specific code */
+
+#if defined(_WIN32) && !defined(_WIN32_WINCE)
+
+#include <windows.h>
+
+void VidWin::attach()
+{
+ if (!hwnd.info.win.hwnd) return;
+
+ HWND w = (HWND)hwnd.info.win.hwnd;
+ HWND new_parent = (HWND)winId();
+ orig_parent = GetParent(w);
+
+ //SetWindowLong(w, GWL_STYLE, WS_CHILD);
+ SetParent(w, new_parent);
+ TRACE_("%p new parent handle = %p", w, new_parent);
+}
+
+void VidWin::detach()
+{
+ if (!hwnd.info.win.hwnd) return;
+
+ HWND w = (HWND)hwnd.info.win.hwnd;
+ SetParent(w, (HWND)orig_parent);
+ TRACE_("%p revert parent handle to %p", w, orig_parent);
+}
+
+void VidWin::set_size()
+{
+ if (!hwnd.info.win.hwnd) return;
+
+ HWND w = (HWND)hwnd.info.win.hwnd;
+ QRect qr = rect();
+ UINT swp_flag = SWP_NOACTIVATE;
+ SetWindowPos(w, HWND_TOP, 0, 0, qr.width(), qr.height(), swp_flag);
+ TRACE_("%p new size = %dx%d", w, qr.width(), qr.height());
+}
+
+void VidWin::get_size()
+{
+ if (!hwnd.info.win.hwnd) return;
+
+ HWND w = (HWND)hwnd.info.win.hwnd;
+ RECT r;
+ if (GetWindowRect(w, &r))
+ size_hint = QSize(r.right-r.left+1, r.bottom-r.top+1);
+ TRACE_("%p size = %dx%d", w, size_hint.width(), size_hint.height());
+}
+
+void VidWin::show_sdl(bool visible)
+{
+ if (!hwnd.info.win.hwnd) return;
+
+ HWND w = (HWND)hwnd.info.win.hwnd;
+ ShowWindow(w, visible ? SW_SHOW : SW_HIDE);
+}
+
+#elif defined(__APPLE__)
+
+#import<Cocoa/Cocoa.h>
+
+void VidWin::attach()
+{
+ if (!hwnd.info.cocoa.window) return;
+
+ /* Embed hwnd to widget */
+ NSWindow *w = (NSWindow*)hwnd.info.cocoa.window;
+ NSWindow *parent = [(NSView*)winId() window];
+ orig_parent = [w parentWindow];
+
+ //[w setStyleMask:NSBorderlessWindowMask];
+
+ //Can't use this, as sometime the video window may not get reparented.
+ //[w setParentWindow:parent];
+
+ [parent addChildWindow:w ordered:NSWindowAbove];
+ TRACE_("%p new parent handle = %p", w, parent);
+}
+
+
+void VidWin::detach()
+{
+ if (!hwnd.info.cocoa.window) return;
+
+ NSWindow *w = (NSWindow*)hwnd.info.cocoa.window;
+ NSWindow *parent = [(NSView*)winId() window];
+ [parent removeChildWindow:w];
+}
+
+
+void VidWin::set_size()
+{
+ if (!hwnd.info.cocoa.window) return;
+
+ /* Update position and size */
+ NSWindow *w = (NSWindow*)hwnd.info.cocoa.window;
+ NSRect r;
+
+ NSView* v = (NSView*)winId();
+ r = [v bounds];
+ r = [v convertRectToBase:r];
+ r.origin = [[v window] convertBaseToScreen:r.origin];
+
+ QRect qr = rect();
+ [w setFrame:r display:NO];
+
+ TRACE_("%p new size = %dx%d", w, qr.width(), qr.height());
+}
+
+void VidWin::get_size()
+{
+ if (!hwnd.info.cocoa.window) return;
+
+ NSWindow *w = (NSWindow*)hwnd.info.cocoa.window;
+
+ size_hint = QSize(300, 200);
+
+ TRACE_("%p size = %dx%d", 0, size_hint.width(), size_hint.height());
+}
+
+void VidWin::show_sdl(bool visible)
+{
+ if (!hwnd.info.cocoa.window) return;
+
+ NSWindow *w = (NSWindow*)hwnd.info.cocoa.window;
+
+ if (visible) {
+ [[w contentView]setHidden:NO];
+ } else {
+ [[w contentView]setHidden:YES];
+ }
+}
+
+#elif defined(linux) || defined(__linux)
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <QX11Info>
+#include <stdio.h>
+
+#define GET_DISPLAY() QX11Info::display()
+//#define GET_DISPLAY() (Display*)hwnd.info.x11.display
+
+void VidWin::attach()
+{
+ if (!hwnd.info.x11.window) return;
+
+ /* Embed hwnd to widget */
+
+ // Use Qt X11 display here, using window creator X11 display may cause
+ // the window failing to embed to this QWidget.
+ //Display *d = (Display*)hwnd.info.x11.display;
+ Display *d = GET_DISPLAY();
+ Window w = (Window)hwnd.info.x11.window;
+ Window parent = (Window)this->winId();
+ int err = XReparentWindow(d, w, parent, 0, 0);
+ TRACE_("%p new parent handle = %p, err = %d",
+ (void*)w,(void*)parent, err);
+}
+
+
+void VidWin::detach()
+{
+}
+
+
+void VidWin::set_size()
+{
+ if (!hwnd.info.x11.window) return;
+
+ /* Update position and size */
+ Display *d = GET_DISPLAY();
+ Window w = (Window)hwnd.info.x11.window;
+ QRect qr = rect();
+
+ int err = XResizeWindow(d, w, qr.width(), qr.height());
+ TRACE_("[%p,%p] new size = %dx%d, err = %d",
+ (void*)d, (void*)w, qr.width(), qr.height(), err);
+}
+
+void VidWin::get_size()
+{
+ if (!hwnd.info.x11.window) return;
+
+ Display *d = GET_DISPLAY();
+ Window w = (Window)hwnd.info.x11.window;
+
+ XWindowAttributes attr;
+ XGetWindowAttributes(d, w, &attr);
+ size_hint = QSize(attr.width, attr.height);
+ TRACE_("%p size = %dx%d", w, size_hint.width(), size_hint.height());
+}
+
+void VidWin::show_sdl(bool visible)
+{
+ if (!hwnd.info.x11.window) return;
+
+ Display *d = GET_DISPLAY();
+ Window w = (Window)hwnd.info.x11.window;
+
+ if (visible) {
+ XMapRaised(d, w);
+ } else {
+ XUnmapWindow(d, w);
+ }
+
+ XFlush(d);
+}
+
+#endif
+
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