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Update GTK clipboard handling.

This commit is contained in:
Fedor 2020-01-21 14:01:41 +03:00
parent 157b45b3bb
commit 2db4a5e34c
2 changed files with 31 additions and 25 deletions
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51
widget/gtk/nsClipboard.cpp
View File

@ -120,24 +120,13 @@ NS_IMETHODIMP
nsClipboard::Observe(nsISupports *aSubject, const char *aTopic, const char16_t *aData)
{
if (strcmp(aTopic, "quit-application") == 0) {
// application is going to quit, save clipboard content
Store();
// Application is going to quit, save clipboard content
gtk_clipboard_store(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
gdk_window_remove_filter(nullptr, selection_request_filter, nullptr);
}
return NS_OK;
}
nsresult
nsClipboard::Store(void)
{
// Ask the clipboard manager to store the current clipboard content
if (mGlobalTransferable) {
GtkClipboard *clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
gtk_clipboard_store(clipboard);
}
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::SetData(nsITransferable *aTransferable,
nsIClipboardOwner *aOwner, int32_t aWhichClipboard)
@ -152,9 +141,6 @@ nsClipboard::SetData(nsITransferable *aTransferable,
return NS_OK;
}
// Clear out the clipboard in order to set the new data
EmptyClipboard(aWhichClipboard);
// List of suported targets
GtkTargetList *list = gtk_target_list_new(nullptr, 0);
@ -163,8 +149,12 @@ nsClipboard::SetData(nsITransferable *aTransferable,
nsresult rv =
aTransferable->FlavorsTransferableCanExport(getter_AddRefs(flavors));
if (!flavors || NS_FAILED(rv))
if (!flavors || NS_FAILED(rv)) {
// Clear references to the any old data and let GTK know that it is no
// longer available.
EmptyClipboard(aWhichClipboard);
return NS_ERROR_FAILURE;
}
// Add all the flavors to this widget's supported type.
bool imagesAdded = false;
@ -232,8 +222,10 @@ nsClipboard::SetData(nsITransferable *aTransferable,
}
rv = NS_OK;
}
else {
} else {
// Clear references to the any old data and let GTK know that it is no
// longer available.
EmptyClipboard(aWhichClipboard);
rv = NS_ERROR_FAILURE;
}
@ -373,6 +365,23 @@ nsClipboard::GetData(nsITransferable *aTransferable, int32_t aWhichClipboard)
NS_IMETHODIMP
nsClipboard::EmptyClipboard(int32_t aWhichClipboard)
{
if (aWhichClipboard == kSelectionClipboard) {
if (mSelectionTransferable) {
gtk_clipboard_clear(gtk_clipboard_get(GDK_SELECTION_PRIMARY));
MOZ_ASSERT(!mSelectionTransferable);
}
} else {
if (mGlobalTransferable) {
gtk_clipboard_clear(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
MOZ_ASSERT(!mGlobalTransferable);
}
}
return NS_OK;
}
void
nsClipboard::ClearTransferable(int32_t aWhichClipboard) {
if (aWhichClipboard == kSelectionClipboard) {
if (mSelectionOwner) {
mSelectionOwner->LosingOwnership(mSelectionTransferable);
@ -387,8 +396,6 @@ nsClipboard::EmptyClipboard(int32_t aWhichClipboard)
}
mGlobalTransferable = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
@ -652,7 +659,7 @@ nsClipboard::SelectionClearEvent(GtkClipboard *aGtkClipboard)
else
return; // THAT AIN'T NO CLIPBOARD I EVER HEARD OF
EmptyClipboard(whichClipboard);
ClearTransferable(whichClipboard);
}
void

5
widget/gtk/nsClipboard.h
View File

@ -39,13 +39,12 @@ private:
static GdkAtom GetSelectionAtom (int32_t aWhichClipboard);
static GtkSelectionData *GetTargets (GdkAtom aWhichClipboard);
// Save global clipboard content to gtk
nsresult Store (void);
// Get our hands on the correct transferable, given a specific
// clipboard
nsITransferable *GetTransferable (int32_t aWhichClipboard);
void ClearTransferable(int32_t aWhichClipboard);
// Hang on to our owners and transferables so we can transfer data
// when asked.
nsCOMPtr<nsIClipboardOwner> mSelectionOwner;