diff options
Diffstat (limited to 'src-qt5/core/libLumina/NativeEmbedWidget.cpp')
| -rw-r--r-- | src-qt5/core/libLumina/NativeEmbedWidget.cpp | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/src-qt5/core/libLumina/NativeEmbedWidget.cpp b/src-qt5/core/libLumina/NativeEmbedWidget.cpp deleted file mode 100644 index 57b6edde..00000000 --- a/src-qt5/core/libLumina/NativeEmbedWidget.cpp +++ /dev/null @@ -1,423 +0,0 @@ -//=========================================== -// Lumina-DE source code -// Copyright (c) 2017, Ken Moore -// Available under the 3-clause BSD license -// See the LICENSE file for full details -//=========================================== -#include "NativeEmbedWidget.h" - -#include <QPainter> -#include <QX11Info> -#include <QApplication> -#include <QScreen> -#include <QDebug> - -#include <xcb/xproto.h> -#include <xcb/xcb_aux.h> -#include <xcb/xcb_event.h> -#include <xcb/xcb_image.h> -//#include <xcb/render.h> -//#include <xcb/xcb_renderutil.h> -#include <xcb/composite.h> -#include <X11/extensions/Xdamage.h> - -#define DISABLE_COMPOSITING true - -/*inline xcb_render_pictformat_t get_pictformat(){ - static xcb_render_pictformat_t format = 0; - if(format==0){ - xcb_render_query_pict_formats_reply_t *reply = xcb_render_query_pict_formats_reply( QX11Info::connection(), xcb_render_query_pict_formats(QX11Info::connection()), NULL); - format = xcb_render_util_find_standard_format(reply, XCB_PICT_STANDARD_ARGB_32)->id; - free(reply); - } - return format; -} - - -inline void renderWindowToWidget(WId id, QWidget *widget, bool hastransparency = true){ - //window and widget are assumed to be the same size - //Pull the XCB pixmap out of the compositing layer - xcb_pixmap_t pix = xcb_generate_id(QX11Info::connection()); - xcb_composite_name_window_pixmap(QX11Info::connection(), WIN->id(), pix); - if(pix==0){ qDebug() << "Got blank pixmap!"; return; } - - xcb_render_picture_t pic_id = xcb_generate_id(QX11Info::connection()); - xcb_render_create_picture_aux(QX11Info::connection(), pic_id, pix, get_pictformat() , 0, NULL); - // - xcb_render_composite(QX11Info::connection(), hastransparency ? XCB_RENDER_PICT_OP_OVER : XCB_RENDER_PICT_OP_SRC, pic_id, XCB_RENDER_PICTURE_NONE, widget->x11RenderHandle(), - 0, 0, 0, 0, 0, 0, (uint16_t) widget->width(), (uint16_t) widget->height() ); -}*/ - -#define CLIENT_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE | \ - XCB_EVENT_MASK_STRUCTURE_NOTIFY | \ - XCB_EVENT_MASK_FOCUS_CHANGE | \ - XCB_EVENT_MASK_POINTER_MOTION) - -#define FRAME_EVENT_MASK (XCB_EVENT_MASK_BUTTON_PRESS | \ - XCB_EVENT_MASK_BUTTON_RELEASE | \ - XCB_EVENT_MASK_POINTER_MOTION | \ - XCB_EVENT_MASK_EXPOSURE | \ - XCB_EVENT_MASK_STRUCTURE_NOTIFY | \ - XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | \ - XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | \ - XCB_EVENT_MASK_ENTER_WINDOW) - -inline void registerClientEvents(WId id, bool client = true){ - uint32_t values[] = {XCB_NONE}; - values[0] = client ? CLIENT_EVENT_MASK : FRAME_EVENT_MASK ; - /*{ (XCB_EVENT_MASK_PROPERTY_CHANGE - | XCB_EVENT_MASK_BUTTON_PRESS - | XCB_EVENT_MASK_BUTTON_RELEASE - | XCB_EVENT_MASK_POINTER_MOTION - | XCB_EVENT_MASK_BUTTON_MOTION - | XCB_EVENT_MASK_EXPOSURE - | XCB_EVENT_MASK_STRUCTURE_NOTIFY - | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT - | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY - | XCB_EVENT_MASK_ENTER_WINDOW) - };*/ - xcb_change_window_attributes(QX11Info::connection(), id, XCB_CW_EVENT_MASK, values); -} - -// ============ -// PRIVATE -// ============ -//Simplification functions for the XCB/XLib interactions -void NativeEmbedWidget::syncWinSize(QSize sz){ - if(WIN==0){ return; } - else if(!sz.isValid()){ sz = this->size(); } //use the current widget size - //qDebug() << "Sync Window Size:" << sz; - //if(sz == winSize){ return; } //no change - QPoint pt(0,0); - if(!DISABLE_COMPOSITING){ pt = this->mapToGlobal(QPoint(0,0)); } - const uint32_t valList[4] = {(uint32_t) pt.x(), (uint32_t) pt.y(), (uint32_t) sz.width(), (uint32_t) sz.height()}; - const uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; - xcb_configure_window(QX11Info::connection(), WIN->id(), mask, valList); - winSize = sz; //save this for checking later -} - -void NativeEmbedWidget::syncWidgetSize(QSize sz){ - //qDebug() << "Sync Widget Size:" << sz; - this->resize(sz); -} - -void NativeEmbedWidget::hideWindow(){ - //qDebug() << "Hide Embed Window"; - xcb_unmap_window(QX11Info::connection(), WIN->id()); -} - -void NativeEmbedWidget::showWindow(){ - //qDebug() << "Show Embed Window"; - xcb_map_window(QX11Info::connection(), WIN->id()); - reregisterEvents(); - if(!DISABLE_COMPOSITING){ - QTimer::singleShot(0,this, SLOT(repaintWindow())); - } -} - -QImage NativeEmbedWidget::windowImage(QRect geom){ - //if(DISABLE_COMPOSITING){ - if(!this->isVisible()){ return QImage(); } //nothing to grab yet - QList<QScreen*> screens = static_cast<QApplication*>( QApplication::instance() )->screens(); - //for(int i=0; i<screens.length(); i++){ - //if(screens[i]->contains(this)){ - if(!screens.isEmpty()){ - return screens[0]->grabWindow(WIN->id(), geom.x(), geom.y(), geom.width(), geom.height()).toImage(); - } - //} - //} - return QImage(); - /*}else{ - //Pull the XCB pixmap out of the compositing layer - xcb_pixmap_t pix = xcb_generate_id(QX11Info::connection()); - xcb_composite_name_window_pixmap(QX11Info::connection(), WIN->id(), pix); - if(pix==0){ qDebug() << "Got blank pixmap!"; return QImage(); } - - //Convert this pixmap into a QImage - //xcb_image_t *ximg = xcb_image_get(QX11Info::connection(), pix, 0, 0, this->width(), this->height(), ~0, XCB_IMAGE_FORMAT_Z_PIXMAP); - xcb_image_t *ximg = xcb_image_get(QX11Info::connection(), pix, geom.x(), geom.y(), geom.width(), geom.height(), ~0, XCB_IMAGE_FORMAT_Z_PIXMAP); - if(ximg == 0){ qDebug() << "Got blank image!"; return QImage(); } - QImage img(ximg->data, ximg->width, ximg->height, ximg->stride, QImage::Format_ARGB32_Premultiplied); - img = img.copy(); //detach this image from the XCB data structures before we clean them up, otherwise the QImage will try to clean it up a second time on window close and crash - xcb_image_destroy(ximg); - - //Cleanup the XCB data structures - xcb_free_pixmap(QX11Info::connection(), pix); - - return img; - }*/ -} -void NativeEmbedWidget::setWinUnpaused(){ - paused = false; - winImage = QImage(); - if(!DISABLE_COMPOSITING){ - repaintWindow(); //update the cached image right away - }else if(this->isVisible()){ - showWindow(); - } - resyncWindow(); //make sure the window knows about the new location -} -// ============ -// PUBLIC -// ============ -NativeEmbedWidget::NativeEmbedWidget(QWidget *parent) : QWidget(parent){ - WIN = 0; //nothing embedded yet - paused = false; - this->setMouseTracking(true); - //this->setSizeIncrement(2,2); -} - -bool NativeEmbedWidget::embedWindow(NativeWindow *window){ - WIN = window; - - //Now send the embed event to the app - //qDebug() << " - send _XEMBED event"; - /*xcb_client_message_event_t event; - event.response_type = XCB_CLIENT_MESSAGE; - event.format = 32; - event.window = WIN->id(); - event.type = obj->ATOMS["_XEMBED"]; //_XEMBED - event.data.data32[0] = XCB_TIME_CURRENT_TIME; //CurrentTime; - event.data.data32[1] = 0; //XEMBED_EMBEDDED_NOTIFY - event.data.data32[2] = 0; - event.data.data32[3] = this->winId(); //WID of the container - event.data.data32[4] = 0; - - xcb_send_event(QX11Info::connection(), 0, WIN->id(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *) &event); - */ - //Now setup any redirects and return - if(!DISABLE_COMPOSITING){ - xcb_composite_redirect_window(QX11Info::connection(), WIN->id(), XCB_COMPOSITE_REDIRECT_MANUAL); //XCB_COMPOSITE_REDIRECT_[MANUAL/AUTOMATIC]); - xcb_composite_redirect_subwindows(QX11Info::connection(), WIN->id(), XCB_COMPOSITE_REDIRECT_MANUAL); //AUTOMATIC); //XCB_COMPOSITE_REDIRECT_[MANUAL/AUTOMATIC]); - - //Now create/register the damage handler - // -- XCB (Note: The XCB damage registration is completely broken at the moment - 9/15/15, Ken Moore) - // -- Retested 6/29/17 (no change) Ken Moore - //xcb_damage_damage_t dmgID = xcb_generate_id(QX11Info::connection()); //This is a typedef for a 32-bit unsigned integer - //xcb_damage_create(QX11Info::connection(), dmgID, WIN->id(), XCB_DAMAGE_REPORT_LEVEL_RAW_RECTANGLES); - // -- XLib (Note: This is only used because the XCB routine above does not work - needs to be fixed upstream in XCB itself). - Damage dmgID = XDamageCreate(QX11Info::display(), WIN->id(), XDamageReportRawRectangles); - - WIN->addDamageID( (uint) dmgID); //save this for later - connect(WIN, SIGNAL(VisualChanged()), this, SLOT(repaintWindow()) ); //make sure we repaint the widget on visual change - }else{ - xcb_reparent_window(QX11Info::connection(), WIN->id(), this->winId(), 0, 0); - registerClientEvents(this->winId()); //child events get forwarded through the frame - watch this for changes too - //Also use a partial-composite here - make sure the window pixmap is available even when the window is obscured - xcb_composite_redirect_window(QX11Info::connection(), WIN->id(), XCB_COMPOSITE_REDIRECT_AUTOMATIC); - //xcb_composite_redirect_subwindows(QX11Info::connection(), WIN->id(), XCB_COMPOSITE_REDIRECT_MANUAL); - //Also alert us when the window visual changes - Damage dmgID = XDamageCreate(QX11Info::display(), WIN->id(), XDamageReportRawRectangles); - - WIN->addDamageID( (uint) dmgID); //save this for later - connect(WIN, SIGNAL(VisualChanged()), this, SLOT(repaintWindow()) ); //make sure we repaint the widget on visual change - } - WIN->addFrameWinID(this->winId()); - registerClientEvents(WIN->id()); - //qDebug() << "Events Registered:" << WIN->id() << this->winId(); - return true; -} - -bool NativeEmbedWidget::detachWindow(){ - xcb_reparent_window(QX11Info::connection(), WIN->id(), QX11Info::appRootWindow(), -1, -1); - //WIN = 0; - return true; -} - -bool NativeEmbedWidget::isEmbedded(){ - return (WIN!=0); -} - -void NativeEmbedWidget::raiseWindow(){ - if(DISABLE_COMPOSITING){ return; } - uint32_t val = XCB_STACK_MODE_ABOVE; - xcb_configure_window(QX11Info::connection(), WIN->id(), XCB_CONFIG_WINDOW_STACK_MODE, &val); -} - -void NativeEmbedWidget::lowerWindow(){ - if(DISABLE_COMPOSITING){ return; } - uint32_t val = XCB_STACK_MODE_BELOW; - xcb_configure_window(QX11Info::connection(), WIN->id(), XCB_CONFIG_WINDOW_STACK_MODE, &val); -} - -// ============== -// PUBLIC SLOTS -// ============== -//Pause/resume -void NativeEmbedWidget::pause(){ - if(DISABLE_COMPOSITING){ - winImage = windowImage(QRect(QPoint(0,0), this->size())); - hideWindow(); - }else{ - if(winImage.isNull()){ repaintWindow(); } //make sure we have one image already cached first - } - paused = true; -} - -void NativeEmbedWidget::resume(){ - //paused = false; - syncWinSize(); - if(DISABLE_COMPOSITING){ - //showWindow(); - }else{ - repaintWindow(); //update the cached image right away - } - QTimer::singleShot(10, this, SLOT(setWinUnpaused()) ); -} - -void NativeEmbedWidget::resyncWindow(){ - if(WIN==0){ return; } - //syncWinSize(); - //if(DISABLE_COMPOSITING){ - // Specs say to send an artificial configure event to the window if the window was reparented into the frame - QPoint loc = this->mapToGlobal( QPoint(0,0) ); - //Send an artificial configureNotify event to the window with the global position/size included - xcb_configure_notify_event_t *event = (xcb_configure_notify_event_t*) calloc(32,1); //always 32-byes long, even if we don't need all of it - event->x = loc.x(); - event->y = loc.y(); - event->width = this->width(); - event->height = this->height(); - event->border_width = 0; - event->above_sibling = XCB_NONE; - event->override_redirect = false; - event->window = WIN->id(); - event->event = WIN->id(); - event->response_type = XCB_CONFIGURE_NOTIFY; - xcb_send_event(QX11Info::connection(), false, WIN->id(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY, (char *) event); - xcb_flush(QX11Info::connection()); - free(event); - /*}else{ - //Window is floating invisibly - make sure it is in the right place - //Make sure the window size is syncronized and visual up to date - //syncWinSize(); - QTimer::singleShot(10, this, SLOT(repaintWindow()) ); - }*/ - -} - -void NativeEmbedWidget::repaintWindow(){ - //if(DISABLE_COMPOSITING){ return; } - //qDebug() << "Update Window Image:" << !paused; - if(paused){ return; } - /*QImage tmp = windowImage( QRect(QPoint(0,0), this->size()) ); - if(!tmp.isNull()){ - winImage = tmp; - }else{ qDebug() << "Got Null Image!!"; }*/ - this->parentWidget()->update(); //visual changed - need to update the image on the widget -} - -void NativeEmbedWidget::reregisterEvents(){ - if(WIN!=0){ registerClientEvents(WIN->id()); } -} - -// ============== -// PROTECTED -// ============== -void NativeEmbedWidget::resizeEvent(QResizeEvent *ev){ - QWidget::resizeEvent(ev); - if(WIN!=0 && !paused){ - syncWinSize(ev->size()); - } //syncronize the window with the new widget size -} - -void NativeEmbedWidget::showEvent(QShowEvent *ev){ - if(WIN!=0){ showWindow(); } - QWidget::showEvent(ev); -} - -void NativeEmbedWidget::hideEvent(QHideEvent *ev){ - if(WIN!=0){ hideWindow(); } - QWidget::hideEvent(ev); -} - -void NativeEmbedWidget::paintEvent(QPaintEvent *ev){ - QPainter P(this); - P.setClipping(true); - P.setClipRect(0,0,this->width(), this->height()); - P.fillRect(ev->rect(), Qt::transparent); - if(WIN==0){ return; } - QRect geom = ev->rect(); //atomic updates - //qDebug() << "Paint Rect:" << geom; - QImage img; - if(!paused){ img = windowImage(geom); } - else if(!winImage.isNull()){ - if(winImage.size() == this->size()){ img = winImage.copy(geom); } - else{ img = winImage.scaled(geom.size()); } //this is a fast transformation - might be slightly distorted - } - //Need to paint the image from the window onto the widget as an overlay - P.drawImage( geom , img, QRect(QPoint(0,0), img.size()), Qt::NoOpaqueDetection); //1-to-1 mapping - - -} - -void NativeEmbedWidget::enterEvent(QEvent *ev){ - QWidget::enterEvent(ev); - //qDebug() << "Enter Embed Widget"; - //raiseWindow(); //this->grabMouse(); -} - -void NativeEmbedWidget::leaveEvent(QEvent *ev){ - QWidget::leaveEvent(ev); - /*qDebug() << "Leave Embed Widget"; - QPoint pt = QCursor::pos(); - QPoint relpt = this->parentWidget()->mapFromGlobal(pt); - qDebug() << " - Geom:" << this->geometry() << "Global pt:" << pt << "Relative pt:" << relpt; - if(!this->geometry().contains(relpt) ){ lowerWindow(); }*/ -} - -void NativeEmbedWidget::mouseMoveEvent(QMouseEvent *ev){ - QWidget::mouseMoveEvent(ev); - //Forward this event on to the window -} - -void NativeEmbedWidget::mousePressEvent(QMouseEvent *ev){ - QWidget::mousePressEvent(ev); - //Forward this event on to the window -} - -void NativeEmbedWidget::mouseReleaseEvent(QMouseEvent *ev){ - QWidget::mouseReleaseEvent(ev); - //Forward this event on to the window -} - -/*bool NativeEmbedWidget::nativeEvent(const QByteArray &eventType, void *message, long *result){ - if(eventType=="xcb_generic_event_t" && WIN!=0){ - //Convert to known event type (for X11 systems) - xcb_generic_event_t *ev = static_cast<xcb_generic_event_t *>(message); - //qDebug() << "Got Embed Window Event:" << xcb_event_get_label(ev->response_type & XCB_EVENT_RESPONSE_TYPE_MASK) << xcb_event_get_request_label(ev->response_type); - uint32_t mask = 0; - switch( ev->response_type & XCB_EVENT_RESPONSE_TYPE_MASK){ - case XCB_BUTTON_PRESS: - //This is a mouse button press - mask = XCB_EVENT_MASK_BUTTON_PRESS; - break; - case XCB_BUTTON_RELEASE: - //This is a mouse button release - //qDebug() << "Button Release Event"; - mask = XCB_EVENT_MASK_BUTTON_RELEASE; - break; - case XCB_MOTION_NOTIFY: - //This is a mouse movement event - mask = XCB_EVENT_MASK_POINTER_MOTION; - break; - case XCB_ENTER_NOTIFY: - //This is a mouse movement event when mouse goes over a new window - mask = XCB_EVENT_MASK_ENTER_WINDOW; - break; - case XCB_LEAVE_NOTIFY: - //This is a mouse movement event when mouse goes leaves a window - mask = XCB_EVENT_MASK_LEAVE_WINDOW; - break; - default: - mask = 0; - } - - //Now forward this event on to the embedded window - if(mask!=0){ - qDebug() << " - Got a mouse event"; - xcb_send_event(QX11Info::connection(), true, WIN->id(),mask, (char*) ev); - return true; - } - } - return false; -}*/ |