b361534e3c
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15078 a95241bf-73f2-0310-859d-f6bbb57e9c96
938 lines
20 KiB
C++
938 lines
20 KiB
C++
/*
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* Copyright 2001-2005, 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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* DarkWyrm <bpmagic@columbus.rr.com>
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* Stephan Aßmus <superstippi@gmx.de>
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*/
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/** BView/BWindow combination HWInterface implementation */
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#include <new>
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#include <stdio.h>
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#include <Application.h>
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#include <Bitmap.h>
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#include <Cursor.h>
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#include <Locker.h>
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#include <Message.h>
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#include <MessageFilter.h>
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#include <MessageRunner.h>
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#include <Region.h>
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#include <Screen.h>
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#include <String.h>
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#include <View.h>
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#include <Window.h>
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#include "BBitmapBuffer.h"
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#include "PortLink.h"
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#include "ServerConfig.h"
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#include "ServerCursor.h"
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#include "ServerProtocol.h"
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#include "UpdateQueue.h"
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#include "ViewHWInterface.h"
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#ifdef DEBUG_DRIVER_MODULE
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# include <stdio.h>
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# define STRACE(x) printf x
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#else
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# define STRACE(x) ;
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#endif
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const unsigned char kEmptyCursor[] = { 16, 1, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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enum {
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MSG_UPDATE = 'updt',
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};
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// string_for_color_space
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const char*
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string_for_color_space(color_space format)
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{
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const char* name = "<unkown format>";
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switch (format) {
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case B_RGB32:
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name = "B_RGB32";
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break;
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case B_RGBA32:
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name = "B_RGBA32";
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break;
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case B_RGB32_BIG:
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name = "B_RGB32_BIG";
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break;
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case B_RGBA32_BIG:
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name = "B_RGBA32_BIG";
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break;
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case B_RGB24:
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name = "B_RGB24";
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break;
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case B_RGB24_BIG:
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name = "B_RGB24_BIG";
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break;
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case B_CMAP8:
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name = "B_CMAP8";
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break;
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case B_GRAY8:
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name = "B_GRAY8";
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break;
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case B_GRAY1:
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name = "B_GRAY1";
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break;
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default:
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break;
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}
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return name;
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}
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// run_app_thread
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static int32
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run_app_thread(void* cookie)
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{
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if (BApplication* app = (BApplication*)cookie) {
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app->Lock();
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app->Run();
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}
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return 0;
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}
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//#define INPUTSERVER_TEST_MODE 1
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class CardView : public BView {
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public:
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CardView(BRect bounds);
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virtual ~CardView();
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virtual void AttachedToWindow();
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virtual void Draw(BRect updateRect);
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virtual void MessageReceived(BMessage* message);
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// CardView
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void SetBitmap(const BBitmap* bimtap);
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void ForwardMessage(BMessage* message = NULL);
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private:
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port_id fInputPort;
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const BBitmap* fBitmap;
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};
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class CardWindow : public BWindow {
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public:
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CardWindow(BRect frame);
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virtual ~CardWindow();
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virtual void MessageReceived(BMessage* message);
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virtual bool QuitRequested();
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// CardWindow
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void SetBitmap(const BBitmap* bitmap);
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void Invalidate(const BRect& area);
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private:
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CardView* fView;
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BMessageRunner* fUpdateRunner;
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BRegion fUpdateRegion;
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BLocker fUpdateLock;
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};
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class CardMessageFilter : public BMessageFilter {
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public:
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CardMessageFilter(CardView* view);
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virtual filter_result Filter(BMessage *message, BHandler **_target);
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private:
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CardView* fView;
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};
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// #pragma mark -
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CardView::CardView(BRect bounds)
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: BView(bounds, "graphics card view", B_FOLLOW_ALL, B_WILL_DRAW),
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fBitmap(NULL)
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{
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SetViewColor(B_TRANSPARENT_32_BIT);
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#ifndef INPUTSERVER_TEST_MODE
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fInputPort = create_port(200, SERVER_INPUT_PORT);
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#else
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fInputPort = create_port(100, "ViewInputDevice");
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#endif
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#ifdef ENABLE_INPUT_SERVER_EMULATION
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AddFilter(new CardMessageFilter(this));
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#endif
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}
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CardView::~CardView()
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{
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}
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// AttachedToWindow
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void
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CardView::AttachedToWindow()
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{
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}
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// Draw
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void
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CardView::Draw(BRect updateRect)
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{
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if (fBitmap) {
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DrawBitmapAsync(fBitmap, updateRect, updateRect);
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}
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}
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// These functions emulate the Input Server by sending the *exact* same kind of messages
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// to the server's port. Being we're using a regular window, it would make little sense
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// to do anything else.
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void
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CardView::ForwardMessage(BMessage* message)
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{
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if (message == NULL)
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message = Window()->CurrentMessage();
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if (message == NULL)
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return;
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// remove some fields that potentially mess up our own message processing
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BMessage copy = *message;
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copy.RemoveName("screen_where");
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copy.RemoveName("be:transit");
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copy.RemoveName("be:view_where");
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copy.RemoveName("be:cursor_needed");
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size_t length = copy.FlattenedSize();
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char stream[length];
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if (copy.Flatten(stream, length) == B_OK)
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write_port(fInputPort, 0, stream, length);
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}
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void
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CardView::MessageReceived(BMessage* message)
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{
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switch (message->what) {
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default:
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BView::MessageReceived(message);
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break;
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}
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}
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// SetBitmap
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void
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CardView::SetBitmap(const BBitmap* bitmap)
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{
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if (bitmap != fBitmap) {
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fBitmap = bitmap;
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if (Parent())
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Invalidate();
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}
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}
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// #pragma mark -
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CardMessageFilter::CardMessageFilter(CardView* view)
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: BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE),
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fView(view)
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{
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}
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filter_result
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CardMessageFilter::Filter(BMessage *message, BHandler **target)
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{
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switch (message->what) {
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case B_KEY_DOWN:
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case B_UNMAPPED_KEY_DOWN:
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case B_KEY_UP:
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case B_UNMAPPED_KEY_UP:
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case B_MOUSE_DOWN:
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case B_MOUSE_UP:
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case B_MOUSE_WHEEL_CHANGED:
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fView->ForwardMessage(message);
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return B_SKIP_MESSAGE;
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case B_MOUSE_MOVED:
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{
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int32 transit;
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if (message->FindInt32("be:transit", &transit) == B_OK
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&& transit == B_ENTERED_VIEW) {
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// A bug in R5 prevents this call from having an effect if
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// called elsewhere, and calling it here works, if we're lucky :-)
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BCursor cursor(kEmptyCursor);
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fView->SetViewCursor(&cursor, true);
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}
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fView->ForwardMessage(message);
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return B_SKIP_MESSAGE;
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}
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}
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return B_DISPATCH_MESSAGE;
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}
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// #pragma mark -
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CardWindow::CardWindow(BRect frame)
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: BWindow(frame, "Haiku App Server", B_TITLED_WINDOW,
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B_NOT_ZOOMABLE | B_NOT_RESIZABLE),
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fUpdateRunner(NULL),
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fUpdateRegion(),
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fUpdateLock("update lock")
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{
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fView = new CardView(Bounds());
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AddChild(fView);
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fView->MakeFocus();
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// make it receive key events
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}
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CardWindow::~CardWindow()
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{
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delete fUpdateRunner;
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}
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void
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CardWindow::MessageReceived(BMessage *msg)
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{
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STRACE("CardWindow::MessageReceived()\n");
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switch (msg->what) {
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case MSG_UPDATE:
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STRACE("MSG_UPDATE\n");
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// invalidate all areas in the view that need redrawing
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if (fUpdateLock.LockWithTimeout(2000LL) >= B_OK) {
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/* int32 count = fUpdateRegion.CountRects();
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for (int32 i = 0; i < count; i++) {
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fView->Invalidate(fUpdateRegion.RectAt(i));
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}*/
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BRect frame = fUpdateRegion.Frame();
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if (frame.IsValid()) {
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fView->Invalidate(frame);
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// fView->Invalidate();
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}
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fUpdateRegion.MakeEmpty();
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fUpdateLock.Unlock();
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} else {
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// see you next time
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}
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break;
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default:
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BWindow::MessageReceived(msg);
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break;
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}
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STRACE("CardWindow::MessageReceived() - exit\n");
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}
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// QuitRequested
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bool
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CardWindow::QuitRequested()
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{
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port_id serverport = find_port(SERVER_PORT_NAME);
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if (serverport >= 0) {
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BPrivate::PortLink link(serverport);
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link.StartMessage(B_QUIT_REQUESTED);
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link.Flush();
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} else
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printf("ERROR: couldn't find the app_server's main port!");
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// we don't quit on ourself, we let us be Quit()!
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return false;
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}
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// SetBitmap
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void
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CardWindow::SetBitmap(const BBitmap* bitmap)
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{
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fView->SetBitmap(bitmap);
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}
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// Invalidate
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void
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CardWindow::Invalidate(const BRect& frame)
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{
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if (fUpdateLock.Lock()) {
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if (!fUpdateRunner) {
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BMessage message(MSG_UPDATE);
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fUpdateRunner = new BMessageRunner(BMessenger(this, this), &message, 20000);
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}
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fUpdateRegion.Include(frame);
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fUpdateLock.Unlock();
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}
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}
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// #pragma mark -
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ViewHWInterface::ViewHWInterface()
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: HWInterface(),
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fBackBuffer(NULL),
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fFrontBuffer(NULL),
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fWindow(NULL)
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{
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fDisplayMode.virtual_width = 640;
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fDisplayMode.virtual_height = 480;
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fDisplayMode.space = B_RGBA32;
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}
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ViewHWInterface::~ViewHWInterface()
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{
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if (fWindow) {
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fWindow->Lock();
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fWindow->Quit();
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}
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delete fBackBuffer;
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delete fFrontBuffer;
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be_app->Lock();
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be_app->Quit();
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delete be_app;
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}
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// Initialize
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status_t
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ViewHWInterface::Initialize()
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{
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return B_OK;
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}
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// Shutdown
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status_t
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ViewHWInterface::Shutdown()
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{
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return B_OK;
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}
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// SetMode
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status_t
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ViewHWInterface::SetMode(const display_mode &mode)
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{
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AutoWriteLocker _(this);
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status_t ret = B_OK;
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// prevent from doing the unnecessary
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if (fBackBuffer && fFrontBuffer
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&& fDisplayMode.virtual_width == mode.virtual_width
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&& fDisplayMode.virtual_height == mode.virtual_height
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&& fDisplayMode.space == mode.space)
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return ret;
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// check if we support the mode
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display_mode *modes;
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uint32 modeCount, i;
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if (GetModeList(&modes, &modeCount) != B_OK)
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return B_NO_MEMORY;
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for (i = 0; i < modeCount; i++) {
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// we only care for the bare minimum
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if (modes[i].virtual_width == mode.virtual_width
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&& modes[i].virtual_height == mode.virtual_height
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&& modes[i].space == mode.space) {
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// take over settings
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fDisplayMode = modes[i];
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break;
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}
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}
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delete[] modes;
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if (i == modeCount)
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return B_BAD_VALUE;
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BRect frame(0.0, 0.0,
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fDisplayMode.virtual_width - 1,
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fDisplayMode.virtual_height - 1);
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// create the window if we don't have one already
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if (!fWindow) {
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// if the window has not been created yet, the BApplication
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// has not been created either, but we need one to display
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// a real BWindow in the test environment.
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// be_app->Run() needs to be called in another thread
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BApplication* app = new BApplication("application/x-vnd.haiku-app-server");
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app->Unlock();
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thread_id appThread = spawn_thread(run_app_thread, "app thread",
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B_NORMAL_PRIORITY, app);
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if (appThread >= B_OK)
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ret = resume_thread(appThread);
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else
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ret = appThread;
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if (ret < B_OK)
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return ret;
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fWindow = new CardWindow(frame.OffsetToCopy(BPoint(50.0, 50.0)));
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// fire up the window thread but don't show it on screen yet
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fWindow->Hide();
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fWindow->Show();
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}
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if (fWindow->Lock()) {
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// just to be save
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fWindow->SetBitmap(NULL);
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// free and reallocate the bitmaps while the window is locked,
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// so that the view does not accidentally draw a freed bitmap
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delete fBackBuffer;
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fBackBuffer = NULL;
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delete fFrontBuffer;
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// NOTE: backbuffer is always B_RGBA32, this simplifies the
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// drawing backend implementation tremendously for the time
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// being. The color space conversion is handled in CopyBackToFront()
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// TODO: Above not true anymore for single buffered mode!!!
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// -> fall back to double buffer for fDisplayMode.space != B_RGB32
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// as intermediate solution...
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bool doubleBuffered = HWInterface::IsDoubleBuffered();
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if ((color_space)fDisplayMode.space != B_RGB32 &&
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(color_space)fDisplayMode.space != B_RGBA32)
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doubleBuffered = true;
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BBitmap* frontBitmap = new BBitmap(frame, 0, (color_space)fDisplayMode.space);
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fFrontBuffer = new BBitmapBuffer(frontBitmap);
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status_t err = fFrontBuffer->InitCheck();
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if (err < B_OK) {
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delete fFrontBuffer;
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fFrontBuffer = NULL;
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ret = err;
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}
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if (err >= B_OK && doubleBuffered) {
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// backbuffer is always B_RGBA32
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// since we override IsDoubleBuffered(), the drawing buffer
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// is in effect also always B_RGBA32.
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BBitmap* backBitmap = new BBitmap(frame, 0, B_RGBA32);
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fBackBuffer = new BBitmapBuffer(backBitmap);
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err = fBackBuffer->InitCheck();
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if (err < B_OK) {
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delete fBackBuffer;
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fBackBuffer = NULL;
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ret = err;
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}
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}
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if (ret >= B_OK) {
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// clear out buffers, alpha is 255 this way
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// TODO: maybe this should handle different color spaces in different ways
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if (fBackBuffer)
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memset(fBackBuffer->Bits(), 255, fBackBuffer->BitsLength());
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memset(fFrontBuffer->Bits(), 255, fFrontBuffer->BitsLength());
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// change the window size and update the bitmap used for drawing
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fWindow->ResizeTo(frame.Width(), frame.Height());
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fWindow->SetBitmap(fFrontBuffer->Bitmap());
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}
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// window is hidden when this function is called the first time
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if (fWindow->IsHidden())
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fWindow->Show();
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fWindow->Unlock();
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} else {
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ret = B_ERROR;
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}
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return ret;
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}
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// GetMode
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void
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ViewHWInterface::GetMode(display_mode* mode)
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{
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if (mode && ReadLock()) {
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*mode = fDisplayMode;
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ReadUnlock();
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}
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}
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// GetDeviceInfo
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status_t
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ViewHWInterface::GetDeviceInfo(accelerant_device_info *info)
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{
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// We really don't have to provide anything here because this is strictly
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// a software-only driver, but we'll have some fun, anyway.
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if (ReadLock()) {
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info->version = 100;
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sprintf(info->name, "Haiku, Inc. ViewHWInterface");
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sprintf(info->chipset, "Haiku, Inc. Chipset");
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sprintf(info->serial_no, "3.14159265358979323846");
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info->memory = 134217728; // 128 MB, not that we really have that much. :)
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info->dac_speed = 0xFFFFFFFF; // *heh*
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ReadUnlock();
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}
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|
|
return B_OK;
|
|
}
|
|
|
|
|
|
status_t
|
|
ViewHWInterface::GetFrameBufferConfig(frame_buffer_config& config)
|
|
{
|
|
if (fFrontBuffer == NULL)
|
|
return B_ERROR;
|
|
|
|
config.frame_buffer = fFrontBuffer->Bits();
|
|
config.frame_buffer_dma = NULL;
|
|
config.bytes_per_row = fFrontBuffer->BytesPerRow();
|
|
|
|
return B_OK;
|
|
}
|
|
|
|
|
|
status_t
|
|
ViewHWInterface::GetModeList(display_mode **_modes, uint32 *_count)
|
|
{
|
|
AutoReadLocker _(this);
|
|
|
|
#if 1
|
|
// setup a whole bunch of different modes
|
|
const struct resolution { int32 width, height; } resolutions[] = {
|
|
{640, 480}, {800, 600}, {1024, 768}, {1152, 864}, {1280, 960},
|
|
{1280, 1024}, {1400, 1050}, {1600, 1200}
|
|
};
|
|
uint32 resolutionCount = sizeof(resolutions) / sizeof(resolutions[0]);
|
|
const uint32 colors[] = {B_CMAP8, B_RGB15, B_RGB16, B_RGB32};
|
|
uint32 count = resolutionCount * 4;
|
|
|
|
display_mode *modes = new(nothrow) display_mode[count];
|
|
if (modes == NULL)
|
|
return B_NO_MEMORY;
|
|
|
|
*_modes = modes;
|
|
*_count = count;
|
|
|
|
int32 index = 0;
|
|
for (uint32 i = 0; i < resolutionCount; i++) {
|
|
for (uint32 c = 0; c < 4; c++) {
|
|
modes[index].virtual_width = resolutions[i].width;
|
|
modes[index].virtual_height = resolutions[i].height;
|
|
modes[index].space = colors[c];
|
|
|
|
modes[index].h_display_start = 0;
|
|
modes[index].v_display_start = 0;
|
|
modes[index].timing.h_display = resolutions[i].width;
|
|
modes[index].timing.v_display = resolutions[i].height;
|
|
modes[index].timing.h_total = 22000;
|
|
modes[index].timing.v_total = 22000;
|
|
modes[index].timing.pixel_clock = ((uint32)modes[index].timing.h_total
|
|
* modes[index].timing.v_total * 60) / 1000;
|
|
modes[index].flags = B_PARALLEL_ACCESS;
|
|
|
|
index++;
|
|
}
|
|
}
|
|
#else
|
|
// support only a single mode, useful
|
|
// for testing a specific mode
|
|
display_mode *modes = new(nothrow) display_mode[1];
|
|
modes[0].virtual_width = 640;
|
|
modes[0].virtual_height = 480;
|
|
modes[0].space = B_CMAP8;
|
|
|
|
*_modes = modes;
|
|
*_count = 1;
|
|
#endif
|
|
|
|
return B_OK;
|
|
}
|
|
|
|
status_t
|
|
ViewHWInterface::GetPixelClockLimits(display_mode *mode, uint32 *low, uint32 *high)
|
|
{
|
|
return B_ERROR;
|
|
}
|
|
|
|
status_t
|
|
ViewHWInterface::GetTimingConstraints(display_timing_constraints *dtc)
|
|
{
|
|
return B_ERROR;
|
|
}
|
|
|
|
status_t
|
|
ViewHWInterface::ProposeMode(display_mode *candidate, const display_mode *low, const display_mode *high)
|
|
{
|
|
// We should be able to get away with this because we're not dealing with any
|
|
// specific hardware. This is a Good Thing(TM) because we can support any hardware
|
|
// we wish within reasonable expectaions and programmer laziness. :P
|
|
return B_OK;
|
|
}
|
|
|
|
// SetDPMSMode
|
|
status_t
|
|
ViewHWInterface::SetDPMSMode(const uint32 &state)
|
|
{
|
|
AutoWriteLocker _(this);
|
|
|
|
return BScreen().SetDPMS(state);
|
|
}
|
|
|
|
// DPMSMode
|
|
uint32
|
|
ViewHWInterface::DPMSMode()
|
|
{
|
|
AutoReadLocker _(this);
|
|
|
|
return BScreen().DPMSState();
|
|
}
|
|
|
|
// DPMSCapabilities
|
|
uint32
|
|
ViewHWInterface::DPMSCapabilities()
|
|
{
|
|
AutoReadLocker _(this);
|
|
|
|
return BScreen().DPMSCapabilites();
|
|
}
|
|
|
|
// RetraceSemaphore
|
|
sem_id
|
|
ViewHWInterface::RetraceSemaphore()
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
// WaitForRetrace
|
|
status_t
|
|
ViewHWInterface::WaitForRetrace(bigtime_t timeout = B_INFINITE_TIMEOUT)
|
|
{
|
|
// Locking shouldn't be necessary here - R5 should handle this for us. :)
|
|
BScreen screen;
|
|
return screen.WaitForRetrace(timeout);
|
|
}
|
|
|
|
// FrontBuffer
|
|
RenderingBuffer*
|
|
ViewHWInterface::FrontBuffer() const
|
|
{
|
|
return fFrontBuffer;
|
|
}
|
|
|
|
// BackBuffer
|
|
RenderingBuffer*
|
|
ViewHWInterface::BackBuffer() const
|
|
{
|
|
return fBackBuffer;
|
|
}
|
|
|
|
// IsDoubleBuffered
|
|
bool
|
|
ViewHWInterface::IsDoubleBuffered() const
|
|
{
|
|
if (fFrontBuffer)
|
|
return fBackBuffer != NULL;
|
|
|
|
return HWInterface::IsDoubleBuffered();
|
|
}
|
|
|
|
// Invalidate
|
|
status_t
|
|
ViewHWInterface::Invalidate(const BRect& frame)
|
|
{
|
|
status_t ret = HWInterface::Invalidate(frame);
|
|
|
|
if (ret >= B_OK && fWindow)
|
|
fWindow->Invalidate(frame);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*void ViewHWInterface::CopyBitmap(ServerBitmap *bitmap, const BRect &source, const BRect &dest, const DrawData *d)
|
|
{
|
|
if(!is_initialized || !bitmap || !d)
|
|
{
|
|
printf("CopyBitmap returned - not init or NULL bitmap\n");
|
|
return;
|
|
}
|
|
|
|
// DON't set draw data here! your existing clipping region will be deleted
|
|
// SetDrawData(d);
|
|
|
|
// Oh, wow, is this going to be slow. Then again, ViewHWInterface was never meant to be very fast. It could
|
|
// be made significantly faster by directly copying from the source to the destination, but that would
|
|
// require implementing a lot of code. Eventually, this should be replaced, but for now, using
|
|
// DrawBitmap will at least work with a minimum of effort.
|
|
|
|
BBitmap *mediator=new BBitmap(bitmap->Bounds(),bitmap->ColorSpace());
|
|
memcpy(mediator->Bits(),bitmap->Bits(),bitmap->BitsLength());
|
|
|
|
screenwin->Lock();
|
|
framebuffer->Lock();
|
|
|
|
drawview->DrawBitmap(mediator,source,dest);
|
|
drawview->Sync();
|
|
screenwin->view->Invalidate(dest);
|
|
|
|
framebuffer->Unlock();
|
|
screenwin->Unlock();
|
|
delete mediator;
|
|
}
|
|
|
|
void ViewHWInterface::CopyToBitmap(ServerBitmap *destbmp, const BRect &sourcerect)
|
|
{
|
|
if(!is_initialized || !destbmp)
|
|
{
|
|
printf("CopyToBitmap returned - not init or NULL bitmap\n");
|
|
return;
|
|
}
|
|
|
|
if(((uint32)destbmp->ColorSpace() & 0x000F) != (fDisplayMode.space & 0x000F))
|
|
{
|
|
printf("CopyToBitmap returned - unequal buffer pixel depth\n");
|
|
return;
|
|
}
|
|
|
|
BRect destrect(destbmp->Bounds()), source(sourcerect);
|
|
|
|
uint8 colorspace_size=destbmp->BitsPerPixel()/8;
|
|
|
|
// First, clip source rect to destination
|
|
if(source.Width() > destrect.Width())
|
|
source.right=source.left+destrect.Width();
|
|
|
|
if(source.Height() > destrect.Height())
|
|
source.bottom=source.top+destrect.Height();
|
|
|
|
|
|
// Second, check rectangle bounds against their own bitmaps
|
|
BRect work_rect(destbmp->Bounds());
|
|
|
|
if( !(work_rect.Contains(destrect)) )
|
|
{
|
|
// something in selection must be clipped
|
|
if(destrect.left < 0)
|
|
destrect.left = 0;
|
|
if(destrect.right > work_rect.right)
|
|
destrect.right = work_rect.right;
|
|
if(destrect.top < 0)
|
|
destrect.top = 0;
|
|
if(destrect.bottom > work_rect.bottom)
|
|
destrect.bottom = work_rect.bottom;
|
|
}
|
|
|
|
work_rect.Set(0,0,fDisplayMode.virtual_width-1,fDisplayMode.virtual_height-1);
|
|
|
|
if(!work_rect.Contains(sourcerect))
|
|
return;
|
|
|
|
if( !(work_rect.Contains(source)) )
|
|
{
|
|
// something in selection must be clipped
|
|
if(source.left < 0)
|
|
source.left = 0;
|
|
if(source.right > work_rect.right)
|
|
source.right = work_rect.right;
|
|
if(source.top < 0)
|
|
source.top = 0;
|
|
if(source.bottom > work_rect.bottom)
|
|
source.bottom = work_rect.bottom;
|
|
}
|
|
|
|
// Set pointers to the actual data
|
|
uint8 *dest_bits = (uint8*) destbmp->Bits();
|
|
uint8 *src_bits = (uint8*) framebuffer->Bits();
|
|
|
|
// Get row widths for offset looping
|
|
uint32 dest_width = uint32 (destbmp->BytesPerRow());
|
|
uint32 src_width = uint32 (framebuffer->BytesPerRow());
|
|
|
|
// Offset bitmap pointers to proper spot in each bitmap
|
|
src_bits += uint32 ( (source.top * src_width) + (source.left * colorspace_size) );
|
|
dest_bits += uint32 ( (destrect.top * dest_width) + (destrect.left * colorspace_size) );
|
|
|
|
|
|
uint32 line_length = uint32 ((destrect.right - destrect.left+1)*colorspace_size);
|
|
uint32 lines = uint32 (source.bottom-source.top+1);
|
|
|
|
for (uint32 pos_y=0; pos_y<lines; pos_y++)
|
|
{
|
|
memcpy(dest_bits,src_bits,line_length);
|
|
|
|
// Increment offsets
|
|
src_bits += src_width;
|
|
dest_bits += dest_width;
|
|
}
|
|
|
|
}
|
|
|
|
void ViewHWInterface::ConstrainClippingRegion(BRegion *reg)
|
|
{
|
|
if(!is_initialized)
|
|
{
|
|
printf("ConstrainClippingRegion returned - not init\n");
|
|
return;
|
|
}
|
|
|
|
screenwin->Lock();
|
|
framebuffer->Lock();
|
|
|
|
// screenwin->view->ConstrainClippingRegion(reg);
|
|
drawview->ConstrainClippingRegion(reg);
|
|
|
|
framebuffer->Unlock();
|
|
screenwin->Unlock();
|
|
}
|
|
|
|
bool ViewHWInterface::AcquireBuffer(FBBitmap *bmp)
|
|
{
|
|
if(!bmp || !is_initialized)
|
|
return false;
|
|
|
|
screenwin->Lock();
|
|
framebuffer->Lock();
|
|
|
|
bmp->SetBytesPerRow(framebuffer->BytesPerRow());
|
|
bmp->SetSpace(framebuffer->ColorSpace());
|
|
bmp->SetSize(framebuffer->Bounds().IntegerWidth(), framebuffer->Bounds().IntegerHeight());
|
|
bmp->SetBuffer(framebuffer->Bits());
|
|
bmp->SetBitsPerPixel(framebuffer->ColorSpace(),framebuffer->BytesPerRow());
|
|
|
|
return true;
|
|
}
|
|
|
|
void ViewHWInterface::ReleaseBuffer()
|
|
{
|
|
if(!is_initialized)
|
|
return;
|
|
framebuffer->Unlock();
|
|
screenwin->Unlock();
|
|
}
|
|
|
|
void ViewHWInterface::Invalidate(const BRect &r)
|
|
{
|
|
if(!is_initialized)
|
|
return;
|
|
|
|
screenwin->Lock();
|
|
screenwin->view->Draw(r);
|
|
screenwin->Unlock();
|
|
}
|
|
*/
|