/*
* Copyright (c) 1999-2000, Eric Moon.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions, and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// MediaRoutingView.cpp
#include "MediaRoutingView.h"
// RouteApp
#include "RouteApp.h"
#include "RouteAppNodeManager.h"
#include "RouteWindow.h"
#include "NodeSetIOContext.h"
// DormantNodeView
#include "DormantNodeView.h"
// InfoWindow
#include "InfoWindowManager.h"
// TransportWindow
#include "TransportWindow.h"
// MediaRoutingView
#include "MediaNodePanel.h"
#include "MediaWire.h"
// NodeManager
#include "NodeGroup.h"
#include "NodeRef.h"
#include "Connection.h"
// ParameterWindow
#include "ParameterWindowManager.h"
// Application Kit
#include <Application.h>
// Interface Kit
#include <Alert.h>
#include <Bitmap.h>
#include <MenuItem.h>
#include <PopUpMenu.h>
#include <Window.h>
// Media Kit
#include <MediaRoster.h>
// Storage Kit
#include <File.h>
#include <NodeInfo.h>
#include <Path.h>
// Translation Kit
#include <BitmapStream.h>
#include <TranslatorRoster.h>
__USE_CORTEX_NAMESPACE
#include <Debug.h>
#define D_METHOD(x) //PRINT (x)
#define D_MESSAGE(x) //PRINT (x)
#define D_MOUSE(x) //PRINT (x)
#define D_KEY(x) //PRINT (x)
// ---------------------------------------------------------------- //
// constants
// ---------------------------------------------------------------- //
float MediaRoutingView::M_CLEANUP_H_GAP = 25.0;
float MediaRoutingView::M_CLEANUP_V_GAP = 10.0;
float MediaRoutingView::M_CLEANUP_H_MARGIN = 15.0;
float MediaRoutingView::M_CLEANUP_V_MARGIN = 10.0;
// ---------------------------------------------------------------- //
// m_inactiveNodeState content
// ---------------------------------------------------------------- //
struct _inactive_node_state_entry {
_inactive_node_state_entry(
const char* _name, int32 _kind, const BMessage& _state) :
name(_name), kind(_kind), state(_state) {}
BString name;
uint32 kind;
BMessage state;
};
// ---------------------------------------------------------------- //
// ctor/dtor
// ---------------------------------------------------------------- //
MediaRoutingView::MediaRoutingView(
RouteAppNodeManager *nodeManager,
BRect frame,
const char *name,
uint32 resizeMode)
: DiagramView(frame, "MediaRoutingView", true, B_FOLLOW_ALL_SIDES),
manager(nodeManager),
m_layout(M_ICON_VIEW),
m_nextGroupNumber(1),
m_lastDroppedNode(0),
m_draggedWire(0)
{
D_METHOD(("MediaRoutingView::MediaRoutingView()\n"));
ASSERT(manager);
setBackgroundColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_2_TINT));
SetItemAlignment(5.0, 5.0);
_initLayout();
}
MediaRoutingView::~MediaRoutingView() {
D_METHOD(("MediaRoutingView::~MediaRoutingView()\n"));
_emptyInactiveNodeState();
// quit ParameterWindowManager if necessary
ParameterWindowManager::shutDown();
// quit InfoWindowManager if necessary
InfoWindowManager::shutDown();
}
// -------------------------------------------------------- //
// *** derived from DiagramView
// -------------------------------------------------------- //
void MediaRoutingView::connectionAborted(
DiagramEndPoint *fromWhich)
{
D_METHOD(("MediaRoutingView::connectionAborted()\n"));
be_app->SetCursor(B_HAND_CURSOR);
}
void MediaRoutingView::connectionEstablished(
DiagramEndPoint *fromWhich,
DiagramEndPoint *toWhich)
{
D_METHOD(("MediaRoutingView::connectionEstablished()\n"));
be_app->SetCursor(B_HAND_CURSOR);
}
DiagramWire *MediaRoutingView::createWire(
DiagramEndPoint *fromWhich,
DiagramEndPoint *toWhich)
{
D_METHOD(("MediaRoutingView::createWire()\n"));
MediaJack *outputJack, *inputJack;
MediaJack *jack = dynamic_cast<MediaJack *>(fromWhich);
if (jack == NULL)
return 0;
if (jack->isOutput())
{
outputJack = jack;
inputJack = dynamic_cast<MediaJack *>(toWhich);
if (!inputJack || !inputJack->isInput())
{
return 0;
}
}
else
{
inputJack = jack;
outputJack = dynamic_cast<MediaJack *>(toWhich);
if (!outputJack || !outputJack->isOutput())
{
return 0;
}
}
if (!outputJack->isConnected() && !inputJack->isConnected())
{
media_output output;
media_input input;
if ((outputJack->getOutput(&output) == B_OK)
&& (inputJack->getInput(&input) == B_OK))
{
status_t error;
Connection connection;
error = manager->connect(output, input, &connection);
if (error)
{
showErrorMessage("Could not connect", error);
}
}
}
return 0;
}
DiagramWire *MediaRoutingView::createWire(
DiagramEndPoint *fromWhich)
{
D_METHOD(("MediaRoutingView::createWire(temp)\n"));
MediaJack *jack = dynamic_cast<MediaJack *>(fromWhich);
if (jack)
{
if (jack->isOutput()) // this is the start point
{
return new MediaWire(jack, true);
}
else
{
return new MediaWire(jack, false);
}
}
return 0;
}
void
MediaRoutingView::BackgroundMouseDown(BPoint point, uint32 buttons,
uint32 clicks)
{
D_MOUSE(("MediaRoutingView::BackgroundMouseDown()\n"));
if ((buttons == B_SECONDARY_MOUSE_BUTTON)
|| (modifiers() & B_CONTROL_KEY)) {
EndRectTracking();
showContextMenu(point);
}
}
void
MediaRoutingView::MessageDropped(BPoint point, BMessage *message)
{
D_METHOD(("MediaRoutingView::MessageDropped()\n"));
switch (message->what) {
case DormantNodeView::M_INSTANTIATE_NODE:
{
D_MESSAGE(("MediaRoutingView::MessageDropped(DormantNodeView::M_INSTANTIATE_NODE)\n"));
type_code type;
int32 count;
if (message->GetInfo("which", &type, &count) == B_OK) {
for (int32 n = 0; n < count; n++) {
dormant_node_info info;
const void *data;
ssize_t dataSize;
if (message->FindData("which", B_RAW_TYPE, &data, &dataSize) == B_OK) {
memcpy(reinterpret_cast<void *>(&info), data, dataSize);
NodeRef* droppedNode;
status_t error;
error = manager->instantiate(info, &droppedNode);
if (!error) {
m_lastDroppedNode = droppedNode->id();
BPoint dropPoint, dropOffset;
dropPoint = message->DropPoint(&dropOffset);
m_lastDropPoint = Align(ConvertFromScreen(dropPoint - dropOffset));
} else {
BString s;
s << "Could not instantiate '" << info.name << "'";
showErrorMessage(s, error);
}
}
}
}
break;
}
case B_SIMPLE_DATA:
{
D_MESSAGE(("MediaRoutingView::MessageDropped(B_SIMPLE_DATA)\n"));
entry_ref fileRef;
if (message->FindRef("refs", &fileRef) == B_OK)
_checkDroppedFile(&fileRef, ConvertFromScreen(message->DropPoint()));
break;
}
case B_PASTE:
{
D_MESSAGE(("MediaRoutingView::MessageDropped(B_PASTE)\n"));
ssize_t size;
const rgb_color *color; // [e.moon 21nov99] fixed const error
if (message->FindData("RGBColor", B_RGB_COLOR_TYPE,
reinterpret_cast<const void **>(&color), &size) == B_OK)
_changeBackground(*color);
break;
}
default:
DiagramView::MessageDropped(point, message);
}
}
void
MediaRoutingView::SelectionChanged()
{
D_METHOD(("MediaRoutingView::selectionChanged()\n"));
_broadcastSelection();
}
// ---------------------------------------------------------------- //
// *** BView impl.
// ---------------------------------------------------------------- //
void MediaRoutingView::AttachedToWindow()
{
D_METHOD(("MediaRoutingView::AttachedToWindow()\n"));
_inherited::AttachedToWindow();
// attach to manager
ASSERT(manager);
add_observer(this, manager);
// add the context-menu shortcuts to the window
_addShortcuts();
// populate with existing nodes & connections
_initContent();
// [e.moon 29nov99] moved from AllAttached()
cleanUp();
}
void MediaRoutingView::AllAttached()
{
D_METHOD(("MediaRoutingView::AllAttached()\n"));
_inherited::AllAttached();
_adjustScrollBars();
// grab keyboard events
MakeFocus();
}
void MediaRoutingView::DetachedFromWindow()
{
D_METHOD(("MediaRoutingView::DetachedFromWindow()\n"));
_inherited::DetachedFromWindow();
// detach from manager
if (manager)
{
Autolock lock(manager);
void *cookie = 0;
NodeRef *ref;
while (manager->getNextRef(&ref, &cookie) == B_OK)
{
remove_observer(this, ref);
}
remove_observer(this, manager);
const_cast<RouteAppNodeManager *&>(manager) = 0;
}
}
void MediaRoutingView::KeyDown(
const char *bytes,
int32 numBytes)
{
D_METHOD(("MediaRoutingView::KeyDown()\n"));
switch (bytes[0])
{
case B_ENTER:
{
D_KEY(("MediaRoutingView::KeyDown(B_ENTER)\n"));
_openParameterWindowsForSelection();
break;
}
case B_DELETE:
{
D_KEY(("MediaRoutingView::KeyDown(B_DELETE)\n"));
_deleteSelection();
break;
}
case B_SPACE:
{
// [e.moon 1dec99]
BWindow* w = Window();
ASSERT(w);
BMessenger(w).SendMessage(RouteWindow::M_TOGGLE_GROUP_ROLLING);
break;
}
default:
{
DiagramView::KeyDown(bytes, numBytes);
break;
}
}
}
void MediaRoutingView::Pulse()
{
// do the animation
}
// ---------------------------------------------------------------- //
// BHandler impl
// ---------------------------------------------------------------- //
void MediaRoutingView::MessageReceived(
BMessage* message)
{
D_METHOD(("MediaRoutingView::MessageReceived()\n"));
switch (message->what)
{
case B_MEDIA_NODE_CREATED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_NODE_CREATED)\n"));
type_code type;
int32 count;
if (message->GetInfo("media_node_id", &type, &count) == B_OK)
{
for(int32 n = 0; n < count; n++)
{
int32 id;
if (message->FindInt32("media_node_id", n, &id) == B_OK)
{
// [e.moon 8dec99] allow for existing panel
MediaNodePanel* panel;
if(_findPanelFor(id, &panel) < B_OK)
_addPanelFor(id, BPoint(5.0, 5.0));
}
}
}
break;
}
case B_MEDIA_NODE_DELETED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_NODE_DELETED)\n"));
type_code type;
int32 count;
if (message->GetInfo("media_node_id", &type, &count) == B_OK)
{
for (int32 n = 0; n < count; n++)
{
int32 id;
if (message->FindInt32("media_node_id", n, &id) == B_OK)
{
_removePanelFor(id);
}
}
}
break;
}
case B_MEDIA_CONNECTION_MADE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_CONNECTION_MADE)\n"));
type_code type;
int32 count;
if (message->GetInfo("output", &type, &count) == B_OK)
{
for (int32 n = 0; n < count; n++)
{
media_output output;
const void *data;
ssize_t dataSize;
if (message->FindData("output", B_RAW_TYPE, n, &data, &dataSize) == B_OK)
{
output = *reinterpret_cast<const media_output *>(data);
Connection connection;
if (manager->findConnection(output.node.node, output.source, &connection) == B_OK)
{
_addWireFor(connection);
}
}
}
}
break;
}
case B_MEDIA_CONNECTION_BROKEN:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_CONNECTION_BROKEN)\n"));
type_code type;
int32 count;
if (message->GetInfo("__connection_id", &type, &count) == B_OK)
{
for (int32 n = 0; n < count; n++)
{
int32 id;
if (message->FindInt32("__connection_id", n, &id) == B_OK)
{
_removeWireFor(id);
}
}
}
break;
}
case B_MEDIA_FORMAT_CHANGED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(B_MEDIA_FORMAT_CHANGED)\n"));
media_node_id nodeID;
if(message->FindInt32("__source_node_id", &nodeID) < B_OK)
break;
uint32 connectionID;
if(message->FindInt32("__connection_id", (int32*)&connectionID) < B_OK)
break;
media_source* source;
ssize_t dataSize;
if(message->FindData("be:source", B_RAW_TYPE, (const void**)&source, &dataSize) < B_OK)
break;
MediaWire* wire;
if(_findWireFor(connectionID, &wire) == B_OK) {
// copy new connection data
manager->findConnection(nodeID, *source, &wire->connection);
}
break;
}
case M_CLEANUP_REQUESTED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_M_CLEANUP_REQUESTED)\n"));
cleanUp();
break;
}
case M_SELECT_ALL:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_SELECT_ALL)\n"));
SelectAll(DiagramItem::M_BOX);
break;
}
case M_DELETE_SELECTION:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_DELETE_SELECTION)\n"));
_deleteSelection();
break;
}
case M_NODE_CHANGE_CYCLING:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_CYCLING_CHANGED)\n"));
bool cycle;
if (message->FindBool("cycle", &cycle) == B_OK)
{
_changeCyclingForSelection(cycle);
}
break;
}
case M_NODE_CHANGE_RUN_MODE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_RUNMODE_CHANGED)\n"));
int32 mode;
if (message->FindInt32("run_mode", &mode) == B_OK)
{
_changeRunModeForSelection(static_cast<uint32>(mode));
}
break;
}
case M_LAYOUT_CHANGED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_LAYOUT_CHANGED)\n"));
layout_t layout;
if (message->FindInt32("layout", (int32*)&layout) == B_OK)
{
if (layout != m_layout)
{
layoutChanged(layout);
updateDataRect();
Invalidate();
}
}
break;
}
case M_NODE_START_TIME_SOURCE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_START_TIME_SOURCE)\n"));
int32 id;
if(message->FindInt32("nodeID", &id) < B_OK)
break;
NodeRef* ref;
if(manager->getNodeRef(id, &ref) < B_OK)
break;
bigtime_t when = system_time();
status_t err = manager->roster->StartTimeSource(ref->node(), when);
if(err < B_OK) {
PRINT((
"! StartTimeSource(%" B_PRId32 "): '%s'\n",
ref->id(), strerror(err)));
}
break;
}
case M_NODE_STOP_TIME_SOURCE:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_NODE_STOP_TIME_SOURCE)\n"));
int32 id;
if(message->FindInt32("nodeID", &id) < B_OK)
break;
NodeRef* ref;
if(manager->getNodeRef(id, &ref) < B_OK)
break;
bigtime_t when = system_time();
status_t err = manager->roster->StopTimeSource(ref->node(), when);
if(err < B_OK) {
PRINT((
"! StopTimeSource(%" B_PRId32 "): '%s'\n",
ref->id(), strerror(err)));
}
break;
}
case M_NODE_TWEAK_PARAMETERS: {
D_MESSAGE((" -> M_NODE_TWEAK_PARAMETERS\n"));
_openParameterWindowsForSelection();
break;
}
case M_NODE_START_CONTROL_PANEL: {
D_MESSAGE((" -> M_NODE_START_CONTROL_PANEL\n"));
_startControlPanelsForSelection();
break;
}
case M_GROUP_SET_LOCKED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(M_GROUP_SET_LOCKED)\n"));
int32 groupID;
if(message->FindInt32("groupID", &groupID) < B_OK)
break;
bool locked;
if(message->FindBool("locked", &locked) < B_OK)
break;
NodeGroup* group;
if(manager->findGroup(groupID, &group) < B_OK)
break;
uint32 f = locked ?
group->groupFlags() | NodeGroup::GROUP_LOCKED :
group->groupFlags() & ~NodeGroup::GROUP_LOCKED;
group->setGroupFlags(f);
break;
}
case M_BROADCAST_SELECTION: {
D_MESSAGE((" -> M_BROADCAST_SELECTION\n"));
_broadcastSelection();
break;
}
case InfoWindowManager::M_INFO_WINDOW_REQUESTED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(InfoView::M_INFO_WINDOW_REQUESTED)\n"));
type_code type;
int32 count;
if (message->GetInfo("input", &type, &count) == B_OK)
{
for (int32 i = 0; i < count; i++)
{
media_input input;
const void *data;
ssize_t dataSize;
if (message->FindData("input", B_RAW_TYPE, i, &data, &dataSize) == B_OK)
{
input = *reinterpret_cast<const media_input *>(data);
InfoWindowManager *manager = InfoWindowManager::Instance();
if (manager && manager->Lock()) {
manager->openWindowFor(input);
manager->Unlock();
}
}
}
}
else if (message->GetInfo("output", &type, &count) == B_OK)
{
for (int32 i = 0; i < count; i++)
{
media_output output;
const void *data;
ssize_t dataSize;
if (message->FindData("output", B_RAW_TYPE, i, &data, &dataSize) == B_OK)
{
output = *reinterpret_cast<const media_output *>(data);
InfoWindowManager *manager = InfoWindowManager::Instance();
if (manager && manager->Lock()) {
manager->openWindowFor(output);
manager->Unlock();
}
}
}
}
else
{
_openInfoWindowsForSelection();
}
break;
}
case NodeManager::M_RELEASED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(NodeManager::M_RELEASED)\n"));
remove_observer(this, manager);
const_cast<RouteAppNodeManager*&>(manager) = 0;
// +++++ disable view!
break;
}
case NodeRef::M_RELEASED:
{
D_MESSAGE(("MediaRoutingView::MessageReceived(NodeRef::M_RELEASED)\n"));
// only relevant on shutdown; do nothing
break;
}
default:
{
DiagramView::MessageReceived(message);
}
}
}
// ---------------------------------------------------------------- //
// *** operations (public)
// ---------------------------------------------------------------- //
BPoint MediaRoutingView::findFreePositionFor(
const MediaNodePanel* panel) const
{
D_METHOD(("MediaRoutingView::_findFreeSpotFor()\n"));
BPoint p(M_CLEANUP_H_MARGIN, M_CLEANUP_V_MARGIN);
if (panel)
{
switch (m_layout)
{
case M_ICON_VIEW:
{
// find the target column by node_kind
p.x += M_CLEANUP_H_GAP + MediaNodePanel::M_DEFAULT_WIDTH;
if (panel->ref->kind() & B_BUFFER_PRODUCER)
{
p.x -= M_CLEANUP_H_GAP + MediaNodePanel::M_DEFAULT_WIDTH;
}
if (panel->ref->kind() & B_BUFFER_CONSUMER)
{
p.x += M_CLEANUP_H_GAP + MediaNodePanel::M_DEFAULT_WIDTH;
}
// find the bottom item in the column
float bottom = 0.0;
for (uint32 i = 0; i < CountItems(DiagramItem::M_BOX); i++)
{
BRect r = ItemAt(i, DiagramItem::M_BOX)->Frame();
if ((r.left >= p.x)
&& (r.left <= p.x + MediaNodePanel::M_DEFAULT_WIDTH))
{
bottom = (r.bottom > bottom) ? r.bottom : bottom;
}
}
if (bottom >= p.y)
{
p.y = bottom + M_CLEANUP_V_GAP;
}
break;
}
case M_MINI_ICON_VIEW:
{
// find the target row by node_kind
p.y += M_CLEANUP_V_GAP + MediaNodePanel::M_DEFAULT_HEIGHT;
if (panel->ref->kind() & B_BUFFER_PRODUCER)
{
p.y -= M_CLEANUP_V_GAP + MediaNodePanel::M_DEFAULT_HEIGHT;
}
if (panel->ref->kind() & B_BUFFER_CONSUMER)
{
p.y += M_CLEANUP_V_GAP + MediaNodePanel::M_DEFAULT_HEIGHT;
}
// find the right-most item in the row
float right = 0.0;
for (uint32 i = 0; i < CountItems(DiagramItem::M_BOX); i++)
{
BRect r = ItemAt(i, DiagramItem::M_BOX)->Frame();
if ((r.top >= p.y)
&& (r.top <= p.y + MediaNodePanel::M_DEFAULT_HEIGHT))
{
right = (r.right > right) ? r.right : right;
}
}
if (right >= p.x)
{
p.x = right + M_CLEANUP_H_GAP;
}
break;
}
}
}
return p;
}
// ---------------------------------------------------------------- //
// *** operations (protected)
// ---------------------------------------------------------------- //
void MediaRoutingView::layoutChanged(
layout_t layout)
{
D_METHOD(("MediaRoutingView::layoutChanged()\n"));
switch (layout)
{
case M_ICON_VIEW:
{
float temp;
// swap the cleanup defaults
temp = M_CLEANUP_H_GAP;
M_CLEANUP_H_GAP = M_CLEANUP_V_GAP;
M_CLEANUP_V_GAP = temp;
temp = M_CLEANUP_H_MARGIN;
M_CLEANUP_H_MARGIN = M_CLEANUP_V_MARGIN;
M_CLEANUP_V_MARGIN = temp;
// swap the default dimensions for MediaJacks
temp = MediaJack::M_DEFAULT_WIDTH;
MediaJack::M_DEFAULT_WIDTH = MediaJack::M_DEFAULT_HEIGHT;
MediaJack::M_DEFAULT_HEIGHT = temp;
// Add space for the 3-letter i/o-abbreviation
BFont font(be_plain_font);
font.SetSize(font.Size() - 2.0);
for (int i = 0; i < MediaJack::M_MAX_ABBR_LENGTH; i++)
{
MediaJack::M_DEFAULT_WIDTH += font.StringWidth("M");
}
MediaJack::M_DEFAULT_WIDTH += 2.0; // add some padding
// Adjust the default size for MediaNodePanels
float labelWidth, bodyWidth;
float labelHeight, bodyHeight;
font_height fh;
be_plain_font->GetHeight(&fh);
labelWidth = 4 * MediaNodePanel::M_LABEL_H_MARGIN
+ be_plain_font->StringWidth(" Be Audio Mixer ");
bodyWidth = 2 * MediaNodePanel::M_BODY_H_MARGIN + B_LARGE_ICON
+ 2 * MediaJack::M_DEFAULT_WIDTH;
labelHeight = 2 * MediaNodePanel::M_LABEL_V_MARGIN
+ fh.ascent + fh.descent + fh.leading + 1.0;
bodyHeight = 2 * MediaNodePanel::M_BODY_V_MARGIN + B_LARGE_ICON;
MediaNodePanel::M_DEFAULT_WIDTH = labelWidth > bodyWidth ? labelWidth : bodyWidth;
MediaNodePanel::M_DEFAULT_HEIGHT = labelHeight + bodyHeight;
Align(&MediaNodePanel::M_DEFAULT_WIDTH, &MediaNodePanel::M_DEFAULT_HEIGHT);
break;
}
case M_MINI_ICON_VIEW:
{
float temp;
// Swap the cleanup defaults
temp = M_CLEANUP_H_GAP;
M_CLEANUP_H_GAP = M_CLEANUP_V_GAP;
M_CLEANUP_V_GAP = temp;
temp = M_CLEANUP_H_MARGIN;
M_CLEANUP_H_MARGIN = M_CLEANUP_V_MARGIN;
M_CLEANUP_V_MARGIN = temp;
// Subtract space for the 3-letter i/o-abbreviation
BFont font(be_plain_font);
font.SetSize(font.Size() - 2.0);
for (int i = 0; i < MediaJack::M_MAX_ABBR_LENGTH; i++)
{
MediaJack::M_DEFAULT_WIDTH -= font.StringWidth("M");
}
MediaJack::M_DEFAULT_WIDTH -= 2.0; // substract the padding
// Swap the default dimensions for MediaJacks
temp = MediaJack::M_DEFAULT_WIDTH;
MediaJack::M_DEFAULT_WIDTH = MediaJack::M_DEFAULT_HEIGHT;
MediaJack::M_DEFAULT_HEIGHT = temp;
// Adjust the default size for MediaNodePanels
float labelWidth, bodyWidth;
float labelHeight, bodyHeight;
font_height fh;
be_plain_font->GetHeight(&fh);
labelWidth = 4 * MediaNodePanel::M_LABEL_H_MARGIN
+ be_plain_font->StringWidth(" Be Audio Mixer ");
bodyWidth = 2 * MediaNodePanel::M_BODY_H_MARGIN + B_MINI_ICON;
labelHeight = 3 * MediaNodePanel::M_LABEL_V_MARGIN
+ fh.ascent + fh.descent + fh.leading
+ 2 * MediaJack::M_DEFAULT_HEIGHT;
bodyHeight = 2 * MediaNodePanel::M_BODY_V_MARGIN + B_MINI_ICON;
MediaNodePanel::M_DEFAULT_WIDTH = labelWidth + bodyWidth;
MediaNodePanel::M_DEFAULT_HEIGHT = labelHeight > bodyHeight ? labelHeight : bodyHeight;
Align(&MediaNodePanel::M_DEFAULT_WIDTH, &MediaNodePanel::M_DEFAULT_HEIGHT);
break;
}
}
m_layout = layout;
for (uint32 i = 0; i < CountItems(DiagramItem::M_BOX); i++)
{
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(ItemAt(i, DiagramItem::M_BOX));
if (panel)
{
panel->layoutChanged(layout);
}
}
_adjustScrollBars();
}
void MediaRoutingView::cleanUp()
{
D_METHOD(("MediaRoutingView::cleanUp()\n"));
SortItems(DiagramItem::M_BOX, compareID);
// move all the panels offscreen
for (uint32 i = 0; i < CountItems(DiagramItem::M_BOX); i++)
{
ItemAt(i, DiagramItem::M_BOX)->moveTo(BPoint(-200.0, -200.0));
}
// move all panels to their 'ideal' position
for (uint32 i = 0; i < CountItems(DiagramItem::M_BOX); i++)
{
MediaNodePanel *panel;
panel = dynamic_cast<MediaNodePanel *>(ItemAt(i, DiagramItem::M_BOX));
BPoint p = findFreePositionFor(panel);
panel->moveTo(p);
}
SortItems(DiagramItem::M_BOX, compareSelectionTime);
Invalidate();
updateDataRect();
}
void MediaRoutingView::showContextMenu(
BPoint point)
{
D_METHOD(("MediaRoutingView::showContextMenu()\n"));
BPopUpMenu *menu = new BPopUpMenu("MediaRoutingView PopUp", false, false, B_ITEMS_IN_COLUMN);
menu->SetFont(be_plain_font);
// add layout options
BMenuItem *item;
BMessage *message = new BMessage(M_LAYOUT_CHANGED);
message->AddInt32("layout", M_ICON_VIEW);
menu->AddItem(item = new BMenuItem("Icon view", message));
if (m_layout == M_ICON_VIEW)
{
item->SetMarked(true);
}
message = new BMessage(M_LAYOUT_CHANGED);
message->AddInt32("layout", M_MINI_ICON_VIEW);
menu->AddItem(item = new BMenuItem("Mini icon view", message));
if (m_layout == M_MINI_ICON_VIEW)
{
item->SetMarked(true);
}
menu->AddSeparatorItem();
// add 'CleanUp' command
menu->AddItem(new BMenuItem("Clean up", new BMessage(M_CLEANUP_REQUESTED), 'K'));
// add 'Select All' command
menu->AddItem(new BMenuItem("Select all", new BMessage(M_SELECT_ALL), 'A'));
menu->SetTargetForItems(this);
ConvertToScreen(&point);
point -= BPoint(1.0, 1.0);
menu->Go(point, true, true, true);
}
void MediaRoutingView::showErrorMessage(
BString text,
status_t error)
{
D_METHOD(("MediaRoutingView::showErrorMessage()\n"));
if (error) {
text << " (" << strerror(error) << ")";
}
BMessage message(M_SHOW_ERROR_MESSAGE);
message.AddString("text", text.String());
if (error) {
message.AddBool("error", true);
}
BMessenger messenger(0, Window());
if (!messenger.IsValid()
|| (messenger.SendMessage(&message) != B_OK)) {
BAlert *alert = new BAlert("Error", text.String(), "OK", 0, 0,
B_WIDTH_AS_USUAL, B_WARNING_ALERT);
alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
alert->Go();
}
}
// -------------------------------------------------------- //
// *** IStateArchivable
// -------------------------------------------------------- //
status_t MediaRoutingView::importState(
const BMessage* archive) {
status_t err;
_emptyInactiveNodeState();
layout_t layout;
err = archive->FindInt32("layout", (int32*)&layout);
if(err == B_OK && layout != m_layout) {
layoutChanged(layout);
}
const char* path;
err = archive->FindString("bgBitmap", &path);
if(err == B_OK) {
BEntry entry(path);
entry_ref ref;
err = entry.GetRef(&ref);
if(err == B_OK)
_changeBackground(&ref);
}
else {
rgb_color color;
color.alpha = 255;
if(
archive->FindInt8("bgRed", (int8*)&color.red) == B_OK &&
archive->FindInt8("bgGreen", (int8*)&color.green) == B_OK &&
archive->FindInt8("bgBlue", (int8*)&color.blue) == B_OK)
_changeBackground(color);
}
for(int32 n = 0; ; ++n) {
// find panel state info; stop when exhausted
BMessage m;
err = archive->FindMessage("panel", n, &m);
if(err < B_OK)
break;
const char* nodeName;
err = archive->FindString("nodeName", n, &nodeName);
if(err < B_OK)
break;
uint32 nodeKind;
err = archive->FindInt32("nodeKind", n, (int32*)&nodeKind);
if(err < B_OK)
break;
// look up matching panel +++++ SLOW +++++
uint32 panelIndex;
uint32 items = CountItems(DiagramItem::M_BOX);
for(
panelIndex = 0;
panelIndex < items;
++panelIndex) {
MediaNodePanel* panel = dynamic_cast<MediaNodePanel*>(
ItemAt(panelIndex, DiagramItem::M_BOX));
if(panel &&
!strcmp(panel->ref->name(), nodeName) &&
panel->ref->kind() == nodeKind) {
// found match; hand message to panel
panel->importState(&m);
break;
}
}
if(panelIndex == items) {
// no panel found
// if a "system node" hang onto (and re-export) state info
bool sysOwned;
if(m.FindBool("sysOwned", &sysOwned) == B_OK && sysOwned) {
m_inactiveNodeState.AddItem(
new _inactive_node_state_entry(
nodeName, nodeKind, m));
}
}
}
updateDataRect();
return B_OK;
}
// +++++ export state info for currently inactive system nodes +++++
status_t MediaRoutingView::exportState(
BMessage* archive) const {
// store layout mode
archive->AddInt32("layout", m_layout);
// store background settings
if(m_backgroundBitmapEntry.InitCheck() == B_OK) {
BPath path;
m_backgroundBitmapEntry.GetPath(&path);
archive->AddString("bgBitmap", path.Path());
} else {
rgb_color c = backgroundColor();
archive->AddInt8("bgRed", c.red);
archive->AddInt8("bgGreen", c.green);
archive->AddInt8("bgBlue", c.blue);
}
// store panel positions w/ node names & signatures
for(uint32 n = 0; n < CountItems(DiagramItem::M_BOX); ++n) {
MediaNodePanel* panel = dynamic_cast<MediaNodePanel*>(
ItemAt(n, DiagramItem::M_BOX));
if(!panel)
continue;
if(panel->ref->isInternal())
// skip internal nodes
continue;
BMessage m;
panel->exportState(&m);
archive->AddString("nodeName", panel->ref->name());
archive->AddInt32("nodeKind", panel->ref->kind());
archive->AddMessage("panel", &m);
}
// copy inactive node state info
for(int32 n = 0; n < m_inactiveNodeState.CountItems(); ++n) {
_inactive_node_state_entry* e = reinterpret_cast<_inactive_node_state_entry*>(
m_inactiveNodeState.ItemAt(n));
archive->AddString("nodeName", e->name.String());
archive->AddInt32("nodeKind", e->kind);
archive->AddMessage("panel", &e->state);
}
return B_OK;
}
// [e.moon 8dec99] subset support
status_t MediaRoutingView::importStateFor(
const NodeSetIOContext* context,
const BMessage* archive) {
status_t err;
for(int32 archiveIndex = 0;; ++archiveIndex) {
// fetch archived key & panel data
const char* key;
err = archive->FindString("nodeKey", archiveIndex, &key);
if(err < B_OK)
break;
BMessage m;
err = archive->FindMessage("panel", archiveIndex, &m);
if(err < B_OK) {
PRINT((
"!!! MediaRoutingView::importStateFor(): missing panel %"
B_PRId32 "\n", archiveIndex));
continue;
}
// find corresponding node
media_node_id id;
err = context->getNodeFor(key, &id);
if(err < B_OK) {
PRINT((
"!!! MediaRoutingView::importStateFor(): missing node '%s'\n",
key));
continue;
}
// look for panel, create it if necessary
MediaNodePanel* panel;
err = _findPanelFor(id, &panel);
if(err < B_OK) {
// create it
err = _addPanelFor(
id,
BPoint(5.0, 5.0));
if(err < B_OK) {
PRINT((
"!!! MediaRoutingView::importStateFor(): _addPanelFor():\n"
" %s\n", strerror(err)));
continue;
}
err = _findPanelFor(id, &panel);
if(err < B_OK) {
PRINT((
"!!! MediaRoutingView::importStateFor(): _findPanelFor():\n"
" %s\n", strerror(err)));
continue;
}
}
// pass state data along
panel->importState(&m);
// select the panel
SelectItem(panel, false);
}
return B_OK;
}
status_t MediaRoutingView::exportStateFor(
const NodeSetIOContext* context,
BMessage* archive) const {
status_t err;
for(uint32 n = 0; n < context->countNodes(); ++n) {
MediaNodePanel* panel;
err = _findPanelFor(
context->nodeAt(n),
&panel);
if(err < B_OK) {
PRINT((
"!!! MediaRoutingView::exportStateFor():\n"
" no panel for node %" B_PRId32 "\n",
context->nodeAt(n)));
return B_BAD_VALUE;
}
const char* key = context->keyAt(n);
archive->AddString("nodeKey", key);
BMessage m;
panel->exportState(&m);
archive->AddMessage("panel", &m);
}
return B_OK;
}
// -------------------------------------------------------- //
// *** children management
// -------------------------------------------------------- //
status_t MediaRoutingView::_addPanelFor(
media_node_id id,
BPoint atPoint)
{
D_METHOD(("MediaRoutingView::_addPanelFor()\n"));
manager->lock();
NodeRef *ref;
status_t error = manager->getNodeRef(id, &ref);
manager->unlock();
if (!error)
{
add_observer(this, ref);
MediaNodePanel *panel = 0;
if (id == m_lastDroppedNode) // this was instantiated thru drag & drop
{
AddItem(panel = new MediaNodePanel(m_lastDropPoint, ref));
SelectItem(panel, true);
m_lastDroppedNode = 0;
}
else // this was an externally created node, must find a nice position first
{
panel = new MediaNodePanel(BPoint(0.0, 0.0), ref);
AddItem(panel);
BMessage state;
if(_fetchInactiveNodeState(panel, &state) == B_OK)
panel->importState(&state);
else {
BPoint p = findFreePositionFor(panel);
panel->moveTo(p);
}
Invalidate(panel->Frame());
}
}
updateDataRect();
return error;
}
status_t MediaRoutingView::_findPanelFor(
media_node_id id,
MediaNodePanel **outPanel) const
{
D_METHOD(("MediaRoutingView::_findPanelFor()\n"));
for (uint32 i = 0; i < CountItems(DiagramItem::M_BOX); i++)
{
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(ItemAt(i, DiagramItem::M_BOX));
if (panel)
{
if (panel->ref->id() == id)
{
*outPanel = panel;
return B_OK;
}
}
}
return B_ERROR;
}
status_t MediaRoutingView::_removePanelFor(
media_node_id id)
{
D_METHOD(("MediaRoutingView::_removePanelFor()\n"));
MediaNodePanel *panel;
if (_findPanelFor(id, &panel) == B_OK)
{
if (RemoveItem(panel))
{
remove_observer(this, panel->ref);
Invalidate(panel->Frame());
delete panel;
return B_OK;
}
}
return B_ERROR;
}
status_t MediaRoutingView::_addWireFor(
Connection& connection)
{
D_METHOD(("MediaRoutingView::_addWireFor()\n"));
MediaNodePanel *source, *destination;
if ((_findPanelFor(connection.sourceNode(), &source) == B_OK)
&& (_findPanelFor(connection.destinationNode(), &destination) == B_OK))
{
status_t error;
media_output output;
error = connection.getOutput(&output);
if (error)
{
return error;
}
MediaJack *outputJack = new MediaJack(output);
source->AddItem(outputJack);
media_input input;
error = connection.getInput(&input);
if (error)
{
return error;
}
MediaJack *inputJack = new MediaJack(input);
destination->AddItem(inputJack);
MediaWire *wire = new MediaWire(connection, outputJack, inputJack);
AddItem(wire);
source->updateIOJacks();
source->arrangeIOJacks();
destination->updateIOJacks();
destination->arrangeIOJacks();
updateDataRect();
// [e.moon 21nov99] group creation/merging now performed by
// RouteAppNodeManager
Invalidate(source->Frame());
Invalidate(destination->Frame());
Invalidate(wire->Frame());
return B_OK;
}
else
{
return B_ERROR;
}
}
status_t MediaRoutingView::_findWireFor(
uint32 connectionID,
MediaWire **outWire) const
{
D_METHOD(("MediaRoutingView::_findWireFor()\n"));
for (uint32 i = 0; i < CountItems(DiagramItem::M_WIRE); i++)
{
MediaWire *wire = dynamic_cast<MediaWire *>(ItemAt(i, DiagramItem::M_WIRE));
if (wire && wire->connection.id() == connectionID)
{
*outWire = wire;
return B_OK;
}
}
return B_ERROR;
}
status_t MediaRoutingView::_removeWireFor(
uint32 connectionID)
{
D_METHOD(("MediaRoutingView::_removeWireFor()\n"));
MediaWire *wire;
if (_findWireFor(connectionID, &wire) == B_OK)
{
MediaNodePanel *source, *destination;
_findPanelFor(wire->connection.sourceNode(), &source);
_findPanelFor(wire->connection.destinationNode(), &destination);
RemoveItem(wire);
Invalidate(wire->Frame());
delete wire;
if (source)
{
source->updateIOJacks();
source->arrangeIOJacks();
Invalidate(source->Frame());
}
if (destination)
{
destination->updateIOJacks();
destination->arrangeIOJacks();
Invalidate(destination->Frame());
}
// [e.moon 21nov99] group split/remove now performed by
// RouteAppNodeManager
updateDataRect();
return B_OK;
}
return B_ERROR;
}
// -------------------------------------------------------- //
// *** internal methods
// -------------------------------------------------------- //
void MediaRoutingView::_addShortcuts()
{
Window()->AddShortcut('A', B_COMMAND_KEY,
new BMessage(M_SELECT_ALL), this);
Window()->AddShortcut('K', B_COMMAND_KEY,
new BMessage(M_CLEANUP_REQUESTED), this);
Window()->AddShortcut('T', B_COMMAND_KEY,
new BMessage(M_DELETE_SELECTION), this);
Window()->AddShortcut('P', B_COMMAND_KEY,
new BMessage(M_NODE_TWEAK_PARAMETERS), this);
Window()->AddShortcut('P', B_COMMAND_KEY | B_SHIFT_KEY,
new BMessage(M_NODE_START_CONTROL_PANEL), this);
Window()->AddShortcut('I', B_COMMAND_KEY,
new BMessage(InfoWindowManager::M_INFO_WINDOW_REQUESTED), this);
}
void MediaRoutingView::_initLayout()
{
D_METHOD(("MediaRoutingView::_initLayout()\n"));
switch (m_layout)
{
case M_ICON_VIEW:
{
// Adjust the jack width for displaying the abbreviated
// input/output name
BFont font(be_plain_font);
font.SetSize(font.Size() - 2.0);
for (int i = 0; i < MediaJack::M_MAX_ABBR_LENGTH; i++)
{
MediaJack::M_DEFAULT_WIDTH += font.StringWidth("M");
}
MediaJack::M_DEFAULT_WIDTH += 2.0; // add some padding
// Adjust the default size for MediaNodePanels to fit the
// size of be_plain_font
float labelWidth, bodyWidth;
float labelHeight, bodyHeight;
font_height fh;
be_plain_font->GetHeight(&fh);
labelWidth = 4 * MediaNodePanel::M_LABEL_H_MARGIN
+ be_plain_font->StringWidth(" Be Audio Mixer ");
bodyWidth = 2 * MediaNodePanel::M_BODY_H_MARGIN + B_LARGE_ICON
+ 2 * MediaJack::M_DEFAULT_WIDTH;
labelHeight = 2 * MediaNodePanel::M_LABEL_V_MARGIN
+ fh.ascent + fh.descent + fh.leading + 1.0;
bodyHeight = 2 * MediaNodePanel::M_BODY_V_MARGIN + B_LARGE_ICON;
MediaNodePanel::M_DEFAULT_WIDTH = labelWidth > bodyWidth ? labelWidth : bodyWidth;
MediaNodePanel::M_DEFAULT_HEIGHT = labelHeight + bodyHeight;
Align(&MediaNodePanel::M_DEFAULT_WIDTH, &MediaNodePanel::M_DEFAULT_HEIGHT);
// Adjust the cleanup settings
M_CLEANUP_H_GAP += MediaNodePanel::M_DEFAULT_WIDTH;
break;
}
case M_MINI_ICON_VIEW:
{
// Adjust the default size for MediaNodePanels to fit the
// size of be_plain_font
float labelWidth, bodyWidth;
float labelHeight, bodyHeight;
font_height fh;
be_plain_font->GetHeight(&fh);
labelWidth = 4 * MediaNodePanel::M_LABEL_H_MARGIN
+ be_plain_font->StringWidth(" Be Audio Mixer ");
bodyWidth = 2 * MediaNodePanel::M_BODY_H_MARGIN + B_MINI_ICON;
labelHeight = 3 * MediaNodePanel::M_LABEL_V_MARGIN
+ fh.ascent + fh.descent + fh.leading
+ 2 * MediaJack::M_DEFAULT_HEIGHT;
bodyHeight = 2 * MediaNodePanel::M_BODY_V_MARGIN + B_MINI_ICON;
MediaNodePanel::M_DEFAULT_WIDTH = labelWidth + bodyWidth;
MediaNodePanel::M_DEFAULT_HEIGHT = labelHeight > bodyHeight ? labelHeight : bodyHeight;
Align(&MediaNodePanel::M_DEFAULT_WIDTH, &MediaNodePanel::M_DEFAULT_HEIGHT);
// Adjust the cleanup settings
M_CLEANUP_V_GAP += MediaNodePanel::M_DEFAULT_HEIGHT;
break;
}
}
}
void MediaRoutingView::_initContent()
{
D_METHOD(("MediaRoutingView::_initContent()\n"));
Autolock lock(manager);
void *cookie = 0;
NodeRef *ref;
while (manager->getNextRef(&ref, &cookie) == B_OK)
{
// add self as observer
add_observer(this, ref);
// create & place node view (+++++ defer until observer status confirmed!)
_addPanelFor(ref->id(), BPoint(M_CLEANUP_H_MARGIN, M_CLEANUP_V_MARGIN));
}
cookie = 0;
Connection connection;
while (manager->getNextConnection(&connection, &cookie) == B_OK)
{
_addWireFor(connection);
}
// create default groups
NodeGroup* group;
NodeRef* videoIn = manager->videoInputNode();
if (videoIn)
{
group = manager->createGroup("Video input");
group->setRunMode(BMediaNode::B_RECORDING);
group->addNode(videoIn);
}
NodeRef* audioIn = manager->audioInputNode();
if (audioIn)
{
group = manager->createGroup("Audio input");
group->setRunMode(BMediaNode::B_RECORDING);
group->addNode(audioIn);
}
NodeRef* videoOut = manager->videoOutputNode();
if (videoOut)
{
group = manager->createGroup("Video output");
group->addNode(videoOut);
}
}
void MediaRoutingView::_changeCyclingForSelection(
bool cycle)
{
D_METHOD(("MediaRoutingView::_changeCyclingForSelection()\n"));
if (SelectedType() == DiagramItem::M_BOX)
{
manager->lock();
for (uint32 i = 0; i < CountSelectedItems(); i++)
{
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(SelectedItemAt(i));
if (panel && (panel->ref->isCycling() != cycle))
{
panel->ref->setCycling(cycle);
}
}
manager->unlock();
}
}
void MediaRoutingView::_changeRunModeForSelection(
uint32 mode)
{
D_METHOD(("MediaRoutingView::_changeRunModeForSelection()\n"));
if (SelectedType() == DiagramItem::M_BOX)
{
manager->lock();
for (uint32 i = 0; i < CountSelectedItems(); i++)
{
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(SelectedItemAt(i));
if (panel && (panel->ref->runMode() != mode))
{
panel->ref->setRunMode(mode);
}
}
manager->unlock();
}
}
void MediaRoutingView::_openInfoWindowsForSelection() {
D_METHOD(("MediaRoutingView::_openInfoWindowsForSelection()\n"));
InfoWindowManager *manager = InfoWindowManager::Instance();
if (!manager) {
return;
}
if (SelectedType() == DiagramItem::M_BOX) {
for (uint32 i = 0; i < CountSelectedItems(); i++) {
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(SelectedItemAt(i));
if (panel && manager->Lock()) {
manager->openWindowFor(panel->ref);
manager->Unlock();
}
}
}
else if (SelectedType() == DiagramItem::M_WIRE) {
for (uint32 i = 0; i < CountSelectedItems(); i++) {
MediaWire *wire = dynamic_cast<MediaWire *>(SelectedItemAt(i));
if (wire && manager->Lock()) {
manager->openWindowFor(wire->connection);
manager->Unlock();
}
}
}
}
void MediaRoutingView::_openParameterWindowsForSelection() {
D_METHOD(("MediaRoutingView::_openParameterWindowsForSelection()\n"));
if (SelectedType() != DiagramItem::M_BOX) {
// can only open parameter window for nodes
return;
}
for (uint32 i = 0; i < CountSelectedItems(); i++) {
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(SelectedItemAt(i));
if (panel && (panel->ref->kind() & B_CONTROLLABLE)) {
ParameterWindowManager *paramMgr= ParameterWindowManager::Instance();
if (paramMgr && paramMgr->Lock()) {
paramMgr->openWindowFor(panel->ref);
paramMgr->Unlock();
}
}
}
}
void MediaRoutingView::_startControlPanelsForSelection() {
D_METHOD(("MediaRoutingView::_startControlPanelsForSelection()\n"));
if (SelectedType() != DiagramItem::M_BOX) {
// can only start control panel for nodes
return;
}
for (uint32 i = 0; i < CountSelectedItems(); i++) {
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(SelectedItemAt(i));
if (panel && (panel->ref->kind() & B_CONTROLLABLE)) {
ParameterWindowManager *paramMgr= ParameterWindowManager::Instance();
if (paramMgr && paramMgr->Lock()) {
paramMgr->startControlPanelFor(panel->ref);
paramMgr->Unlock();
}
}
}
}
void MediaRoutingView::_deleteSelection()
{
D_METHOD(("MediaRoutingView::_deleteSelection()\n"));
if (SelectedType() == DiagramItem::M_BOX)
{
for (uint32 i = 0; i < CountSelectedItems(); i++)
{
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(SelectedItemAt(i));
if (panel && panel->ref->isInternal())
{
status_t error = panel->ref->releaseNode();
if (error)
{
BString s;
s << "Could not release '" << panel->ref->name() << "'";
showErrorMessage(s, error);
}
}
}
}
else if (SelectedType() == DiagramItem::M_WIRE)
{
for (uint32 i = 0; i < CountSelectedItems(); i++)
{
MediaWire *wire = dynamic_cast<MediaWire *>(SelectedItemAt(i));
if (wire && !(wire->connection.flags() & Connection::LOCKED))
{
status_t error = manager->disconnect(wire->connection);
if (error)
{
showErrorMessage("Could not disconnect", error);
}
}
}
}
// make sure none of the deleted items is still displaying its mouse cursor !
be_app->SetCursor(B_HAND_CURSOR);
}
void MediaRoutingView::_checkDroppedFile(
entry_ref *ref,
BPoint dropPoint)
{
D_METHOD(("MediaRoutingView::_checkDroppedFile()\n"));
// [cell 26apr00] traverse links
BEntry entry(ref, true);
entry.GetRef(ref);
BNode node(ref);
if (node.InitCheck() == B_OK)
{
BNodeInfo nodeInfo(&node);
if (nodeInfo.InitCheck() == B_OK)
{
char mimeString[B_MIME_TYPE_LENGTH];
if (nodeInfo.GetType(mimeString) == B_OK)
{
BMimeType mimeType(mimeString);
BMimeType superType;
// [e.moon 22dec99] handle dropped node-set files
if(mimeType == RouteApp::s_nodeSetType) {
BMessage m(B_REFS_RECEIVED);
m.AddRef("refs", ref);
be_app_messenger.SendMessage(&m);
}
else if (mimeType.GetSupertype(&superType) == B_OK)
{
if (superType == "image")
{
_changeBackground(ref);
}
else if ((superType == "audio") || (superType == "video"))
{
NodeRef* droppedNode;
status_t error;
error = manager->instantiate(*ref, B_BUFFER_PRODUCER, &droppedNode);
if (!error)
{
media_output encVideoOutput;
if (droppedNode->findFreeOutput(&encVideoOutput, B_MEDIA_ENCODED_VIDEO) == B_OK)
{
droppedNode->setFlags(droppedNode->flags() | NodeRef::NO_POSITION_REPORTING);
}
m_lastDroppedNode = droppedNode->id();
m_lastDropPoint = Align(dropPoint);
}
else
{
char fileName[B_FILE_NAME_LENGTH];
BEntry entry(ref);
entry.GetName(fileName);
BString s;
s << "Could not load '" << fileName << "'";
showErrorMessage(s, error);
}
}
}
}
}
}
}
void MediaRoutingView::_changeBackground(
entry_ref *ref)
{
D_METHOD(("MediaRoutingView::_changeBackground()\n"));
status_t error;
BBitmap *background = 0;
BFile file(ref, B_READ_ONLY);
error = file.InitCheck();
if (!error)
{
BTranslatorRoster *roster = BTranslatorRoster::Default();
BBitmapStream stream;
error = roster->Translate(&file, NULL, NULL, &stream, B_TRANSLATOR_BITMAP);
if (!error)
{
stream.DetachBitmap(&background);
setBackgroundBitmap(background);
Invalidate();
// [e.moon 1dec99] persistence, yay
m_backgroundBitmapEntry.SetTo(ref);
}
}
delete background;
}
void MediaRoutingView::_changeBackground(
rgb_color color)
{
D_METHOD(("MediaRoutingView::_changeBackground()\n"));
setBackgroundColor(color);
Invalidate();
// [e.moon 1dec99] persistence, yay
m_backgroundBitmapEntry.Unset();
}
void
MediaRoutingView::_adjustScrollBars()
{
D_METHOD(("MediaRoutingView::_adjustScrollBars()\n"));
BScrollBar *scrollBar;
// adjust horizontal scroll bar
scrollBar = ScrollBar(B_HORIZONTAL);
if (scrollBar) {
float bigStep = floor(MediaNodePanel::M_DEFAULT_WIDTH + M_CLEANUP_H_GAP);
scrollBar->SetSteps(floor(bigStep / 10.0), bigStep);
}
// adjust vertical scroll bar
scrollBar = ScrollBar(B_VERTICAL);
if (scrollBar) {
float bigStep = floor(MediaNodePanel::M_DEFAULT_HEIGHT + M_CLEANUP_V_GAP);
scrollBar->SetSteps(floor(bigStep / 10.0), bigStep);
}
}
void
MediaRoutingView::_broadcastSelection() const
{
int32 selectedGroup = 0;
if (SelectedType() == DiagramItem::M_BOX) {
// iterate thru the list of selected node panels and make the
// first group we find the selected group
for (uint32 i = 0; i < CountSelectedItems(); i++) {
MediaNodePanel *panel = dynamic_cast<MediaNodePanel *>(SelectedItemAt(i));
if (panel && panel->ref->group()) {
selectedGroup = panel->ref->group()->id();
BMessenger messenger(Window());
BMessage groupMsg(M_GROUP_SELECTED);
groupMsg.AddInt32("groupID", selectedGroup);
messenger.SendMessage(&groupMsg);
return;
}
}
}
// currently no group is selected
BMessenger messenger(Window());
BMessage groupMsg(M_GROUP_SELECTED);
groupMsg.AddInt32("groupID", selectedGroup);
messenger.SendMessage(&groupMsg);
}
status_t
MediaRoutingView::_fetchInactiveNodeState(MediaNodePanel *forPanel, BMessage *outMessage)
{
// copy inactive node state info
int32 c = m_inactiveNodeState.CountItems();
for(int32 n = 0; n < c; n++) {
_inactive_node_state_entry* e = reinterpret_cast<_inactive_node_state_entry*>(
m_inactiveNodeState.ItemAt(n));
ASSERT(e);
if(e->name != forPanel->ref->name())
continue;
if(e->kind != forPanel->ref->kind())
continue;
// found match; extract message & remove entry
*outMessage = e->state;
m_inactiveNodeState.RemoveItem(n);
return B_OK;
}
return B_BAD_VALUE;
}
void
MediaRoutingView::_emptyInactiveNodeState()
{
int32 c = m_inactiveNodeState.CountItems();
for(int32 n = 0; n < c; n++) {
_inactive_node_state_entry* e = reinterpret_cast<_inactive_node_state_entry*>(
m_inactiveNodeState.ItemAt(n));
ASSERT(e);
delete e;
}
m_inactiveNodeState.MakeEmpty();
}
// END -- MediaRoutingView.cpp --
↑ V773 Visibility scope of the 'alert' pointer was exited without releasing the memory. A memory leak is possible.
↑ V773 Visibility scope of the 'menu' pointer was exited without releasing the memory. A memory leak is possible.