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Diffstat (limited to 'src-qt5/core/libLumina/NativeWindowSystem.cpp')
| -rw-r--r-- | src-qt5/core/libLumina/NativeWindowSystem.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src-qt5/core/libLumina/NativeWindowSystem.cpp b/src-qt5/core/libLumina/NativeWindowSystem.cpp new file mode 100644 index 00000000..c8e6d483 --- /dev/null +++ b/src-qt5/core/libLumina/NativeWindowSystem.cpp @@ -0,0 +1,221 @@ +//=========================================== +// Lumina-DE source code +// Copyright (c) 2017, Ken Moore +// Available under the 3-clause BSD license +// See the LICENSE file for full details +//=========================================== +// This is the XCB version of the NativeWindowSystem class, +// used for interacting with the X11 display system on BSD/Linux/Unix systems +//=========================================== +#include "NativeWindowSystem.h" + +//Additional Qt includes +#include <QX11Info> +#include <QDebug> + +//XCB Library functions +#include <xcb/xcb_ewmh.h> + +//XCB Library includes +#include <xcb/xcb.h> +#include <xcb/xcb_atom.h> +#include <xcb/xproto.h> +#include <xcb/xcb_ewmh.h> +#include <xcb/xcb_icccm.h> +#include <xcb/xcb_image.h> +#include <xcb/xcb_aux.h> +#include <xcb/composite.h> +#include <xcb/damage.h> + +//XLib includes (XCB Damage lib does not appear to register for damage events properly) +#include <X11/extensions/Xdamage.h> + +//SYSTEM TRAY STANDARD DEFINITIONS +#define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 0 +#define _NET_SYSTEM_TRAY_ORIENTATION_VERT 1 +#define SYSTEM_TRAY_REQUEST_DOCK 0 +#define SYSTEM_TRAY_BEGIN_MESSAGE 1 +#define SYSTEM_TRAY_CANCEL_MESSAGE 2 + +#define URGENCYHINT (1L << 8) //For window urgency detection + +#define ROOT_WIN_EVENT_MASK (XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | \ + XCB_EVENT_MASK_BUTTON_PRESS | \ + XCB_EVENT_MASK_STRUCTURE_NOTIFY | \ + XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | \ + XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | \ + XCB_EVENT_MASK_POINTER_MOTION | \ + XCB_EVENT_MASK_PROPERTY_CHANGE | \ + XCB_EVENT_MASK_FOCUS_CHANGE | \ + XCB_EVENT_MASK_ENTER_WINDOW) + +//Internal XCB private objects class +class NativeWindowSystem::p_objects{ +public: + xcb_ewmh_connection_t EWMH; //This is where all the screen info and atoms are located + QHash<QString, xcb_atom_t> ATOMS; + xcb_screen_t *root_screen; + xcb_window_t root_window, wm_window, tray_window; + + //Functions for setting up these objects as needed + bool init_ATOMS(){ + QStringList atoms; + atoms << "WM_TAKE_FOCUS" << "WM_DELETE_WINDOW" << "WM_PROTOCOLS" << "WM_CHANGE_STATE" << "_NET_SYSTEM_TRAY_OPCODE" << "_NET_SYSTEM_TRAY_ORIENTATION" << "_NET_SYSTEM_TRAY_VISUAL" << QString("_NET_SYSTEM_TRAY_S%1").arg(QString::number(QX11Info::appScreen())); + //Create all the requests for the atoms + QList<xcb_intern_atom_reply_t*> reply; + for(int i=0; i<atoms.length(); i++){ + reply << xcb_intern_atom_reply(QX11Info::connection(), \ + xcb_intern_atom(QX11Info::connection(), 0, atoms[i].length(), atoms[i].toLocal8Bit()), NULL); + } + //Now evaluate all the requests and save the atoms + for(int i=0; i<reply.length(); i++){ //NOTE: this will always be the same length as the "atoms" list + if(reply[i]!=0){ + obj->ATOMS.insert(atoms[i], reply[i]->atom); + free(reply[i]); //done with this reply + }else{ + //Invalid atom - could not be created + qDebug() << "Could not initialize XCB atom:" << atoms[i]; + } + } //loop over reply + return (obj->ATOMS.keys.length() == atoms.length()); + } + + bool register_wm(){ + uint32_t value_list[1] = {ROOT_WIN_EVENT_MASK}; + xcb_generic_error_t *status = xcb_request_check( QX11Info::connection(), xcb_change_window_attributes_checked(QX11Info::connection(), root_window, XCB_CW_EVENT_MASK, value_list)); + if(status!=0){ return false; } + uint32_t params[] = {1}; + wm_window = xcb_generate_id(QX11Info::connection()); //need a new ID + xcb_create_window(QX11Info::connection(), root_screen->root_depth, \ + win, root_window, -1, -1, 1, 1, 0, \ + XCB_WINDOW_CLASS_INPUT_OUTPUT, root_screen->root_visual, \ + XCB_CW_OVERRIDE_REDIRECT, params); + if(wm_window==0){ return false; } + //Set the _NET_SUPPORTING_WM property on the root window first + xcb_ewmh_set_supporting_wm_check(&EWMH, root_window, wm_window); + //Also set this property on the child window (pointing to itself) + xcb_ewmh_set_supporting_wm_check(&EWMH, wm_window, wm_window); + //Now also setup the root event mask on the wm_window + status = xcb_request_check( QX11Info::connection(), xcb_change_window_attributes_checked(QX11Info::connection(), wm_window, XCB_CW_EVENT_MASK, value_list)); + if(status!=0){ return false; } + return true; + } + + bool startSystemTray{ + xcb_atom_t _NET_SYSTEM_TRAY_S = ATOMS.value(QString("_NET_SYSTEM_TRAY_S%1").arg(QString::number(QX11Info::appScreen())) ); + //Make sure that there is no other system tray running + xcb_get_selection_owner_reply_t *ownreply = xcb_get_selection_owner_reply(QX11Info::connection(), \ + xcb_get_selection_owner_unchecked(QX11Info::connection(), _NET_SYSTEM_TRAY_S), NULL); + if(ownreply==0){ + qWarning() << " - Could not get owner selection reply"; + return false; + }else if(ownreply->owner != 0){ + free(ownreply); + qWarning() << " - An alternate system tray is currently in use"; + return false; + } + free(ownreply); + //Now create the window to use (just offscreen) + //TODO + } + +}; //end private objects class + + +//inline functions for setting up the internal objects + + +// === PUBLIC === +NativeWindowSystem::NativeWindowSystem() : QObject(){ + obj = 0; +} + +NativeWindowSystem::~NativeWindowSystem(){ + xcb_ewmh_connection_wipe(obj->EWMH); + free(obj); +} + +//Overarching start/stop functions +bool NativeWindowSystem::start(){ + //Initialize the XCB/EWMH objects + if(obj==0){ + obj = new p_objects(); } //instantiate the private objects + obj->wm_window = 0; + obj->tray_window = 0; + xcb_intern_atom_cookie_t *cookie = xcb_ewmh_init_atoms(QX11Info::connection(), &obj->EWMH); + if(!xcb_ewmh_init_atoms_replies(&obj->EWMH, cookie, NULL) ){ + qDebug() << "Error with XCB atom initializations"; + return false; + } + obj->root_screen = xcb_aux_get_screen(QX11Info::connection(), QX11Info::appScreen()); + obj->root_window = obj->root_screen->root; //simplification for later - minor duplication of memory (unsigned int) + //Initialize all the extra atoms that the EWMH object does not have + if( !obj->init_ATOMS() ){ return false; } + } //Done with private object init + + return true; +} + +void NativeWindowSystem::stop(){ + +} + +// === PRIVATE === +void NativeWindowSystem::UpdateWindowProperties(NativeWindow* win, QList< NativeWindow::Property > props){ + +} + +// === PUBLIC SLOTS === +//These are the slots which are only used by the desktop system itself or the NativeWindowEventFilter +void NativeWindowSystem::RegisterVirtualRoot(WId){ + +} + +//NativeWindowEventFilter interactions +void NativeWindowSystem::NewWindowDetected(WId){ + +} + +void NativeWindowSystem::WindowCloseDetected(WId){ + +} + +void NativeWindowSystem::WindowPropertyChanged(WId, NativeWindow::Property){ + +} + +void NativeWindowSystem::NewKeyPress(int keycode){ + +} + +void NativeWindowSystem::NewKeyRelease(int keycode){ + +} + +void NativeWindowSystem::NewMousePress(int buttoncode){ + +} + +void NativeWindowSystem::NewMouseRelease(int buttoncode){ + +} + +// === PRIVATE SLOTS === +//These are the slots which are built-in and automatically connected when a new NativeWindow is created +void NativeWindowSystem::RequestActivate(WId){ + +} +void NativeWindowSystem::RequestClose(WId){ + +} + +void NativeWindowSystem::RequestSetVisible(WId, bool){ + +} +void NativeWindowSystem::RequestSetGeometry(WId, QRect){ + +} +void NativeWindowSystem::RequestSetFrameExtents(WId, QList<int>){ + //[Left,Top,Right,Bottom] in pixels + +} |