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adding in selection

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This commit is contained in:
mjudge@netscape.com
1998-12-14 18:34:14 +00:00
parent 803da7b09f
commit b345e3cc96
21 changed files with 628 additions and 189 deletions
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88
layout/html/base/src/nsFrame.cpp
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@@ -41,6 +41,7 @@
#include "nsIPresShell.h"
#include "nsHTMLIIDs.h"
#include "nsIEventStateManager.h"
#include "nsIFocusTracker.h"
// Some Misc #defines
#define SELECTION_DEBUG 0
@@ -191,7 +192,7 @@ nsIFrame::GetLogModuleInfo()
//----------------------------------------------------------------------
static NS_DEFINE_IID(kIFrameIID, NS_IFRAME_IID);
static NS_DEFINE_IID(kIFocusTracker, NS_IFOCUSTRACKER_IID);
nsresult
NS_NewEmptyFrame(nsIFrame** aInstancePtrResult)
{
@@ -218,6 +219,7 @@ void* nsFrame::operator new(size_t size)
nsFrame::nsFrame()
{
mState = NS_FRAME_FIRST_REFLOW | NS_FRAME_SYNC_FRAME_AND_VIEW;
mSelected = PR_FALSE;
}
nsFrame::~nsFrame()
@@ -574,9 +576,7 @@ NS_IMETHODIMP nsFrame::Paint(nsIPresContext& aPresContext,
return NS_OK;
}
nsIPresShell * shell = aPresContext.GetShell();
nsIDocument * doc = shell->GetDocument();
if (content && doc && doc->IsInSelection(content)) {
if (content && mSelected) {
nsRect rect;
GetRect(rect);
rect.width--;
@@ -588,8 +588,6 @@ NS_IMETHODIMP nsFrame::Paint(nsIPresContext& aPresContext,
}
NS_IF_RELEASE(content);
NS_IF_RELEASE(doc);
NS_IF_RELEASE(shell);
return NS_OK;
}
@@ -651,6 +649,31 @@ NS_IMETHODIMP nsFrame::HandlePress(nsIPresContext& aPresContext,
return NS_OK;
}
mDoingSelection = PR_TRUE;
mDidDrag = PR_FALSE;
nsIPresShell *shell = aPresContext.GetShell();
if (shell){
nsIRenderingContext * acx;
if (NS_SUCCEEDED(shell->CreateRenderingContext(this, acx))){
PRInt32 startPos = 0;
PRUint32 contentOffset = 0;
if (NS_SUCCEEDED(GetPosition(aPresContext, acx, aEvent, this, contentOffset, startPos))){
nsISelection *selection = nsnull;
if (NS_SUCCEEDED(shell->GetSelection(&selection))){
nsIFocusTracker *tracker;
if (NS_SUCCEEDED(shell->QueryInterface(kIFocusTracker,(void **)&tracker))){
selection->TakeFocus(tracker, this, startPos, contentOffset, PR_FALSE);
NS_RELEASE(tracker);
}
NS_RELEASE(selection);
}
//no release
}
NS_RELEASE(acx);
}
NS_RELEASE(shell);
}
#if 0
//DEBUG MJUDGE
nsFrame * currentFrame = this;
@@ -834,6 +857,36 @@ NS_IMETHODIMP nsFrame::HandleDrag(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus)
{
if (DisplaySelection(aPresContext, PR_TRUE) == PR_FALSE)
{
aEventStatus = nsEventStatus_eIgnore;
return NS_OK;
}
mDoingSelection = PR_TRUE;
mDidDrag = PR_FALSE;
nsIPresShell *shell = aPresContext.GetShell();
if (shell){
nsIRenderingContext * acx;
if (NS_SUCCEEDED(shell->CreateRenderingContext(this, acx))){
PRInt32 startPos = 0;
PRUint32 contentOffset = 0;
if (NS_SUCCEEDED(GetPosition(aPresContext, acx, aEvent, this, contentOffset, startPos))){
nsISelection *selection = nsnull;
if (NS_SUCCEEDED(shell->GetSelection(&selection))){
nsIFocusTracker *tracker;
if (NS_SUCCEEDED(shell->QueryInterface(kIFocusTracker,(void **)&tracker))){
selection->TakeFocus(tracker, this, startPos, contentOffset, PR_TRUE); //TRUE IS THE DIFFERENCE
NS_RELEASE(tracker);
}
NS_RELEASE(selection);
}
//no release
}
NS_RELEASE(acx);
}
NS_RELEASE(shell);
}
#if 0
//DEBUG MJUDGE
if (DisplaySelection(aPresContext) == PR_FALSE)
@@ -1694,6 +1747,29 @@ nsFrame::VerifyTree() const
return NS_OK;
}
NS_IMETHODIMP
nsFrame::SetSelected(PRBool aSelected, PRInt32 aBeginOffset, PRInt32 aEndOffset, PRBool aForceRedraw)
{
if (mSelected != aSelected || aForceRedraw)
{
nsRect damageRect;
GetRect(damageRect);
ForceDrawFrame(this);
mSelected = aSelected;
}
return NS_OK;
}
NS_IMETHODIMP
nsFrame::GetSelected(PRBool *aSelected, PRInt32 *aBeginOffset, PRInt32 *aEndOffset, PRInt32 *aBeginContentOffset)
{
if (!aSelected || !aBeginOffset || !aEndOffset || !aBeginContentOffset)
return NS_ERROR_NULL_POINTER;
*aSelected = mSelected;
*aBeginContentOffset = 0;
return NS_OK;
}
//-----------------------------------------------------------------------------------
/********************************************************