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Restore the right caret in all cases. bug 395888, r+sr+a=roc

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This commit is contained in:
mrbkap@gmail.com 2007-09-22 14:06:58 -07:00
parent 1b90d225e1
commit 9513b53050
4 changed files with 32 additions and 29 deletions
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29
editor/libeditor/text/nsEditorEventListeners.cpp
View File

@ -524,25 +524,21 @@ nsresult
nsTextEditorDragListener::DragEnter(nsIDOMEvent* aDragEvent)
{
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(mPresShell);
if (!presShell)
return NS_OK;
if (!mCaret)
{
if (presShell)
mCaret = do_CreateInstance("@mozilla.org/layout/caret;1");
if (mCaret)
{
mCaret = do_CreateInstance("@mozilla.org/layout/caret;1");
if (mCaret)
{
mCaret->Init(presShell);
mCaret->SetCaretReadOnly(PR_TRUE);
mOtherCaret = presShell->SetCaret(mCaret);
}
mCaretDrawn = PR_FALSE;
mCaret->Init(presShell);
mCaret->SetCaretReadOnly(PR_TRUE);
}
mCaretDrawn = PR_FALSE;
}
else if (presShell)
{
presShell->SetCaret(mCaret);
}
presShell->SetCaret(mCaret);
return DragOver(aDragEvent);
}
@ -644,11 +640,8 @@ nsTextEditorDragListener::DragDrop(nsIDOMEvent* aMouseEvent)
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(mPresShell);
if (presShell)
{
NS_ASSERTION(mOtherCaret, "Where'd my other caret go?");
mCaret = presShell->SetCaret(mOtherCaret);
presShell->RestoreCaret();
}
mOtherCaret = mCaret = nsnull;
}
if (!mEditor)

1
editor/libeditor/text/nsEditorEventListeners.h
View File

@ -237,7 +237,6 @@ protected:
nsWeakPtr mPresShell;
nsCOMPtr<nsICaret> mCaret;
nsCOMPtr<nsICaret> mOtherCaret;
PRBool mCaretDrawn;
};

16
layout/base/nsIPresShell.h
View File

@ -102,10 +102,10 @@ class gfxContext;
typedef short SelectionType;
typedef PRUint32 nsFrameState;
// D93B931B-D5EF-4D3C-AB99-444176963464
// 4BE324F2-FB22-47CD-A653-19C70EE55E3F
#define NS_IPRESSHELL_IID \
{ 0xd93b931b, 0xd5ef, 0x4d3c, \
{ 0xab, 0x99, 0x44, 0x41, 0x76, 0x96, 0x34, 0x64 } }
{ 0x4BE324F2, 0xFB22, 0x47CD, \
{ 0xA6, 0x53, 0x19, 0xC7, 0x0E, 0xE5, 0x5E, 0x3F } }
// Constants for ScrollContentIntoView() function
#define NS_PRESSHELL_SCROLL_TOP 0
@ -495,9 +495,15 @@ public:
NS_IMETHOD_(void) MaybeInvalidateCaretPosition() = 0;
/**
* Set the current caret to a new caret. Returns the old caret.
* Set the current caret to a new caret. To undo this, call RestoreCaret.
*/
virtual already_AddRefed<nsICaret> SetCaret(nsICaret *aNewCaret) = 0;
virtual void SetCaret(nsICaret *aNewCaret) = 0;
/**
* Restore the caret to the original caret that this pres shell was created
* with.
*/
virtual void RestoreCaret() = 0;
/**
* Should the images have borders etc. Actual visual effects are determined

15
layout/base/nsPresShell.cpp
View File

@ -917,7 +917,8 @@ public:
NS_IMETHOD SetCaretReadOnly(PRBool aReadOnly);
NS_IMETHOD GetCaretEnabled(PRBool *aOutEnabled);
NS_IMETHOD SetCaretVisibilityDuringSelection(PRBool aVisibility);
virtual already_AddRefed<nsICaret> SetCaret(nsICaret *aNewCaret);
virtual void SetCaret(nsICaret *aNewCaret);
virtual void RestoreCaret();
NS_IMETHOD SetSelectionFlags(PRInt16 aInEnable);
NS_IMETHOD GetSelectionFlags(PRInt16 *aOutEnable);
@ -1130,6 +1131,7 @@ protected:
nsCOMArray<nsIContent> mCurrentEventContentStack;
nsCOMPtr<nsICaret> mCaret;
nsCOMPtr<nsICaret> mOriginalCaret;
PRInt16 mSelectionFlags;
FrameArena mFrameArena;
StackArena mStackArena;
@ -1498,6 +1500,7 @@ PresShell::Init(nsIDocument* aDocument,
if (NS_SUCCEEDED(err))
{
mCaret->Init(this);
mOriginalCaret = mCaret;
}
//SetCaretEnabled(PR_TRUE); // make it show in browser windows
@ -2616,12 +2619,14 @@ NS_IMETHODIMP_(void) PresShell::MaybeInvalidateCaretPosition()
}
}
already_AddRefed<nsICaret> PresShell::SetCaret(nsICaret *aNewCaret)
void PresShell::SetCaret(nsICaret *aNewCaret)
{
nsICaret *oldCaret = nsnull;
mCaret.swap(oldCaret);
mCaret = aNewCaret;
return oldCaret;
}
void PresShell::RestoreCaret()
{
mCaret = mOriginalCaret;
}
NS_IMETHODIMP PresShell::SetCaretEnabled(PRBool aInEnable)