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drag and drop, first step

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This commit is contained in:
fgerlits 2007-10-16 10:29:51 +00:00
parent d700e16530
commit 66ac275957
4 changed files with 218 additions and 18 deletions
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92
campcaster/src/products/gLiveSupport/src/ScratchpadWindow.cxx
View file

@ -107,6 +107,7 @@ ScratchpadWindow :: ScratchpadWindow (
&ScratchpadWindow::onDoubleClick));
treeView->signal_key_press_event().connect(sigc::mem_fun(*this,
&ScratchpadWindow::onKeyPressed));
setupDndCallbacks();
// create the cue player widget
cuePlayer.reset(new CuePlayer(this,
@ -618,3 +619,94 @@ ScratchpadWindow :: hide(void) throw ()
GuiWindow::hide();
}
/*------------------------------------------------------------------------------
* Set up the D'n'D callbacks.
*----------------------------------------------------------------------------*/
void
ScratchpadWindow :: setupDndCallbacks (void) throw ()
{
std::list<Gtk::TargetEntry> targets;
targets.push_back(Gtk::TargetEntry("STRING",
Gtk::TARGET_SAME_APP));
// set up the tree view as a d'n'd source
treeView->enable_model_drag_source(targets);
treeView->signal_drag_data_get().connect(sigc::mem_fun(*this,
&ScratchpadWindow::onTreeViewDragDataGet));
// set up the tree view as a d'n'd target
treeView->enable_model_drag_dest(targets);
treeView->signal_drag_data_received().connect(sigc::mem_fun(*this,
&ScratchpadWindow::onTreeViewDragDataReceived));
}
/*------------------------------------------------------------------------------
* The callback for supplying the data for the drag and drop.
*----------------------------------------------------------------------------*/
void
ScratchpadWindow :: onTreeViewDragDataGet(
const Glib::RefPtr<Gdk::DragContext> & context,
Gtk::SelectionData & selectionData,
guint info,
guint time)
throw ()
{
Glib::ustring dropString = bundleName;
Ptr<Playable>::Ref playable = getFirstSelectedPlayable();
while ((playable = getNextSelectedPlayable())) {
dropString += " ";
dropString += std::string(*playable->getId());
}
selectionData.set(selectionData.get_target(),
8 /* 8 bits format*/,
(const guchar *) dropString.c_str(),
dropString.bytes());
}
/*------------------------------------------------------------------------------
* The callback for processing the data delivered by drag and drop.
*----------------------------------------------------------------------------*/
void
ScratchpadWindow :: onTreeViewDragDataReceived(
const Glib::RefPtr<Gdk::DragContext> & context,
int x,
int y,
const Gtk::SelectionData & selectionData,
guint info,
guint time)
throw ()
{
if (selectionData.get_length() < 0 || selectionData.get_format() != 8) {
std::cerr << "unknown type of data dropped on the tree view in "
<< bundleName << std::endl;
context->drag_finish(false, false, time);
return;
}
// Glib::ustring data = selectionData.get_data_as_string();
Glib::ustring data = "searchWindow 123 456 789 abc";
std::stringstream dataStream(data);
Glib::ustring sourceWindow;
dataStream >> sourceWindow;
Glib::ustring playableId;
while (dataStream >> playableId) {
if (sourceWindow == bundleName) {
//insertRow(destination, x, y, stripped, ROW_MOVE);
std::cerr << "same window; move " << playableId << std::endl;
context->drag_finish(true, true, time);
} else {
//insertRow(destination, x, y, stripped, ROW_COPY);
std::cerr << "other window: " << sourceWindow
<< "; copy " << playableId << std::endl;
context->drag_finish(true, false, time);
}
}
}

42
campcaster/src/products/gLiveSupport/src/ScratchpadWindow.h
View file

@ -147,6 +147,12 @@ class ScratchpadWindow : public GuiWindow,
void
removeItem(Ptr<const UniqueId>::Ref id) throw ();
/**
* Set up the D'n'D callbacks.
*/
void
setupDndCallbacks (void) throw ();
protected:
@ -306,6 +312,42 @@ class ScratchpadWindow : public GuiWindow,
virtual void
onRemoveMenuOption(void) throw ();
/**
* The callback for supplying the data for the drag and drop.
*
* @param context the drag context.
* @param selectionData the data (filled in by this function).
* @param info not used.
* @param time timestamp for the d'n'd operation.
*/
void
onTreeViewDragDataGet(
const Glib::RefPtr<Gdk::DragContext> & context,
Gtk::SelectionData & selectionData,
guint info,
guint time)
throw ();
/**
* The callback for processing the data delivered by drag and drop.
*
* @param context the drag context.
* @param x the x coord where the data was dropped.
* @param y the y coord where the data was dropped.
* @param selectionData the data.
* @param info not used.
* @param time timestamp for the d'n'd operation.
*/
virtual void
onTreeViewDragDataReceived(
const Glib::RefPtr<Gdk::DragContext> & context,
int x,
int y,
const Gtk::SelectionData & selectionData,
guint info,
guint time)
throw ();
public:

44
campcaster/src/products/gLiveSupport/src/SearchWindow.cxx
View file

@ -237,6 +237,7 @@ SearchWindow :: constructSearchResultsView(void) throw ()
false /* call this first */);
searchResultsTreeView->signal_row_activated().connect(sigc::mem_fun(*this,
&SearchWindow::onDoubleClick));
setupDndCallbacks();
audioClipContextMenu = constructAudioClipContextMenu();
playlistContextMenu = constructPlaylistContextMenu();
@ -1120,3 +1121,46 @@ SearchWindow :: updatePagingToolbar(void) throw ()
}
}
/*------------------------------------------------------------------------------
* Set up the D'n'D callbacks.
*----------------------------------------------------------------------------*/
void
SearchWindow :: setupDndCallbacks (void) throw ()
{
std::list<Gtk::TargetEntry> targets;
targets.push_back(Gtk::TargetEntry("STRING",
Gtk::TARGET_SAME_APP));
// set up the tree view as a d'n'd source
searchResultsTreeView->enable_model_drag_source(targets);
searchResultsTreeView->signal_drag_data_get().connect(sigc::mem_fun(*this,
&SearchWindow::onTreeViewDragDataGet));
}
/*------------------------------------------------------------------------------
* The callback for supplying the data for the drag and drop.
*----------------------------------------------------------------------------*/
void
SearchWindow :: onTreeViewDragDataGet(
const Glib::RefPtr<Gdk::DragContext> & context,
Gtk::SelectionData & selectionData,
guint info,
guint time)
throw ()
{
Glib::ustring dropString = bundleName;
Ptr<Playable>::Ref playable = getFirstSelectedPlayable();
while ((playable = getNextSelectedPlayable())) {
dropString += " ";
dropString += std::string(*playable->getId());
}
selectionData.set(selectionData.get_target(),
8 /* 8 bits format*/,
(const guchar *) dropString.c_str(),
dropString.bytes());
}

22
campcaster/src/products/gLiveSupport/src/SearchWindow.h
View file

@ -420,6 +420,12 @@ class SearchWindow : public GuiWindow,
Ptr<Playable>::Ref
getNextSelectedPlayable(void) throw ();
/**
* Set up the D'n'D callbacks.
*/
void
setupDndCallbacks (void) throw ();
protected:
@ -618,6 +624,22 @@ class SearchWindow : public GuiWindow,
void
onForwardButtonClicked(void) throw ();
/**
* The callback for supplying the data for the drag and drop.
*
* @param context the drag context.
* @param selectionData the data (filled in by this function).
* @param info not used.
* @param time timestamp for the d'n'd operation.
*/
void
onTreeViewDragDataGet(
const Glib::RefPtr<Gdk::DragContext> & context,
Gtk::SelectionData & selectionData,
guint info,
guint time)
throw ();
public: