147 lines
2.4 KiB
C++
147 lines
2.4 KiB
C++
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/*
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* Copyright 2005, Haiku.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Axel Dörfler, axeld@pinc-software.de
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*/
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#include "VirtualScreen.h"
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#include <DisplayDriver.h>
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#include <HWInterface.h>
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#include <Desktop.h>
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#include <new>
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VirtualScreen::VirtualScreen()
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:
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fScreenList(4, true),
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fDisplayDriver(NULL),
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fHWInterface(NULL)
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{
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}
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VirtualScreen::~VirtualScreen()
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{
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}
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status_t
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VirtualScreen::RestoreConfiguration(Desktop& desktop)
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{
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// Copy current Desktop settings
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//fSettings = desktop.Settings();
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ScreenList list;
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status_t status = gScreenManager->AcquireScreens(&desktop, NULL, 0, false, list);
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if (status < B_OK) {
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// TODO: we would try again here with force == true
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return status;
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}
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for (int32 i = 0; i < list.CountItems(); i++) {
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Screen* screen = list.ItemAt(i);
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AddScreen(screen);
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}
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return B_OK;
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}
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status_t
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VirtualScreen::StoreConfiguration(BMessage& settings)
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{
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// TODO: implement me
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return B_OK;
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}
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status_t
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VirtualScreen::AddScreen(Screen* screen)
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{
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screen_item* item = new(nothrow) screen_item;
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if (item == NULL)
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return B_NO_MEMORY;
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item->screen = screen;
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BMessage settings;
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if (_FindConfiguration(screen, settings) == B_OK) {
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// TODO: read from settings!
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} else {
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// TODO: more intelligent standard mode (monitor preference, desktop default, ...)
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screen->SetMode(800, 600, B_RGB32, 60.f);
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}
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// TODO: this works only for single screen configurations
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fDisplayDriver = screen->GetDisplayDriver();
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fHWInterface = screen->GetHWInterface();
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fFrame = screen->Frame();
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fScreenList.AddItem(item);
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return B_OK;
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}
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status_t
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VirtualScreen::RemoveScreen(Screen* screen)
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{
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// not implemented yet (config changes when running)
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return B_ERROR;
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}
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/*!
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Returns the smallest frame that spans over all screens
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*/
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BRect
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VirtualScreen::Frame() const
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{
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return fFrame;
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}
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Screen*
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VirtualScreen::ScreenAt(int32 index) const
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{
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screen_item* item = fScreenList.ItemAt(index);
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if (item != NULL)
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return item->screen;
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return NULL;
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}
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BRect
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VirtualScreen::ScreenFrameAt(int32 index) const
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{
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screen_item* item = fScreenList.ItemAt(index);
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if (item != NULL)
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return item->frame;
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return BRect(0, 0, 0, 0);
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}
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int32
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VirtualScreen::CountScreens() const
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{
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return fScreenList.CountItems();
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}
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status_t
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VirtualScreen::_FindConfiguration(Screen* screen, BMessage& settings)
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{
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// TODO: we probably want to identify the resolution by connected monitor,
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// and not the display driver used...
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return B_ERROR;
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}
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