diff options
Diffstat (limited to 'src-qt5/core/libLumina/NativeEmbedWidget.cpp')
| -rw-r--r-- | src-qt5/core/libLumina/NativeEmbedWidget.cpp | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/src-qt5/core/libLumina/NativeEmbedWidget.cpp b/src-qt5/core/libLumina/NativeEmbedWidget.cpp deleted file mode 100644 index 487d1040..00000000 --- a/src-qt5/core/libLumina/NativeEmbedWidget.cpp +++ /dev/null @@ -1,253 +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 <QDebug> - -#include <xcb/xproto.h> -#include <xcb/xcb_aux.h> -#include <xcb/xcb_image.h> -#include <xcb/composite.h> -#include <X11/extensions/Xdamage.h> - -#define DISABLE_COMPOSITING true - -#define NORMAL_WIN_EVENT_MASK (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_EVENT_MASK_PROPERTY_CHANGE) - - -inline void registerClientEvents(WId id){ - uint32_t value_list[1] = {NORMAL_WIN_EVENT_MASK}; - xcb_change_window_attributes(QX11Info::connection(), id, XCB_CW_EVENT_MASK, value_list); -} - -// ============ -// 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 - const uint32_t valList[2] = {(uint32_t) sz.width(), (uint32_t) sz.height()}; - const uint32_t mask = 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(){ - xcb_unmap_window(QX11Info::connection(), WIN->id()); -} - -void NativeEmbedWidget::showWindow(){ - xcb_map_window(QX11Info::connection(), WIN->id()); - QTimer::singleShot(0,this, SLOT(repaintWindow())); -} - -QImage NativeEmbedWidget::windowImage(QRect geom){ - //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, 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 - xcb_image_destroy(ximg); - - //Cleanup the XCB data structures - xcb_free_pixmap(QX11Info::connection(), pix); - - return img; - -} - -// ============ -// PUBLIC -// ============ -NativeEmbedWidget::NativeEmbedWidget(QWidget *parent) : QWidget(parent){ - WIN = 0; //nothing embedded yet - paused = false; - //this->setSizeIncrement(2,2); -} - -bool NativeEmbedWidget::embedWindow(NativeWindow *window){ - WIN = window; - //PIXBACK = xcb_generate_id(QX11Info::connection()); - xcb_reparent_window(QX11Info::connection(), WIN->id(), this->winId(), 0, 0); - //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); //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 - } - WIN->addFrameWinID(this->winId()); - connect(WIN, SIGNAL(VisualChanged()), this, SLOT(repaintWindow()) ); //make sure we repaint the widget on visual change - - registerClientEvents(WIN->id()); - registerClientEvents(this->winId()); - 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); -} - -// ============== -// PUBLIC SLOTS -// ============== -//Pause/resume -void NativeEmbedWidget::pause(){ - if(winImage.isNull()){ repaintWindow(); } //make sure we have one image already cached first - paused = true; -} - -void NativeEmbedWidget::resume(){ - paused = false; - //syncWinSize(); - //showWindow(); - repaintWindow(); //update the cached image right away -} - -void NativeEmbedWidget::resyncWindow(){ - if(WIN==0){ return; } - /*return; //skip the stuff below (not working) - QRect geom = WIN->geometry(); - //Send an artificial configureNotify event to the window with the global position/size included - xcb_configure_notify_event_t event; - event.x = geom.x() + this->pos().x(); - event.y = geom.y() + this->pos().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, (const char *) &event); - */ - //Just jitter the window size by 1 pixel really quick so the window knows to update it's geometry - QSize sz = this->size(); - uint32_t valList[2] = {(uint32_t) sz.width()-1, (uint32_t) sz.height()}; - uint32_t mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; - xcb_configure_window(QX11Info::connection(), WIN->id(), mask, valList); - xcb_flush(QX11Info::connection()); - valList[0] = (uint32_t) sz.width(); - xcb_configure_window(QX11Info::connection(), WIN->id(), mask, valList); - xcb_flush(QX11Info::connection()); - 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(); -} -// ============== -// PROTECTED -// ============== -void NativeEmbedWidget::resizeEvent(QResizeEvent *ev){ - QWidget::resizeEvent(ev); - if(WIN!=0){ - 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){ - if(WIN==0 || DISABLE_COMPOSITING){ QWidget::paintEvent(ev); return; } - else if( winImage.isNull() ){ /*QTimer::singleShot(0, this, SLOT(repaintWindow()) );*/ return; } - else if(paused){ return; } - //else if(this->size()!=winSize){ QTimer::singleShot(0,this, SLOT(syncWinSize())); return; } //do not paint here - waiting to re-sync the sizes - //else if(this->size() != winImage.size()){ QTimer::singleShot(0, this, SLOT(repaintWindow()) ); return; } - //Need to paint the image from the window onto the widget as an overlay - QRect geom = ev->rect(); //atomic updates - geom.adjust(-10,-10,10,10); //add an additional few pixels in each direction to be painted - geom = geom.intersected(QRect(0,0,this->width(), this->height())); //ensure intersection with actual window - if( !QRect(QPoint(0,0),winImage.size()).contains(geom) ){ QTimer::singleShot(0,this, SLOT(repaintWindow()) );return; } - QPainter P(this); - P.setClipping(true); - P.setClipRect(0,0,this->width(), this->height()); - //qDebug() << "Paint Embed Window:" << geom << winImage.size(); - if(winImage.size() == this->size()){ - P.drawImage( geom , winImage, geom, Qt::NoOpaqueDetection); //1-to-1 mapping - //Note: Qt::NoOpaqueDetection Speeds up the paint by bypassing the checks to see if there are [semi-]transparent pixels - // Since this is an embedded image - we fully expect there to be transparency all/most of the time. - }else{ - P.drawImage( geom , winImage); - } - //else{ QImage scaled = winImage.scaled(geom.size()); P.drawImage(geom, scaled); } - //P.drawImage( geom , winImage, geom, Qt::NoOpaqueDetection); //1-to-1 mapping - //Note: Qt::NoOpaqueDetection Speeds up the paint by bypassing the checks to see if there are [semi-]transparent pixels - // Since this is an embedded image - we fully expect there to be transparency all/most of the time. - -} |