corysanin/tubestation
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fixed Combobox and ListBox frame to be more effecient in processing reflows

Browse Source 
added Block and text frame for displaying the selected option for the combobox
Fixes Bugs 30463, 28835, 29544
r=buster,kmcclusk a=jar
This commit is contained in:
rods@netscape.com
2000-03-07 15:54:31 +00:00
parent a95eed5396
commit bf847f8b1b
8 changed files with 2590 additions and 1306 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
layout/forms/nsComboboxControlFrame.h
View File

@@ -23,7 +23,17 @@
#ifndef nsComboboxControlFrame_h___
#define nsComboboxControlFrame_h___
#define OPTIMIZE_RESIZE_RELOW
#ifdef DEBUG_evaughan
//#define DEBUG_rods
#endif
#ifdef DEBUG_rods
//#define DO_REFLOW_DEBUG
//#define DO_REFLOW_COUNTER
//#define DO_UNCONSTRAINED_CHECK
//#define DO_PIXELS
//#define DO_NEW_REFLOW
#endif
#include "nsAreaFrame.h"
#include "nsIFormControlFrame.h"
@@ -34,12 +44,14 @@
#include "nsIStatefulFrame.h"
#include "nsIRollupListener.h"
#include "nsIPresState.h"
#include "nsCSSFrameConstructor.h"
class nsFormFrame;
class nsIView;
class nsStyleContext;
class nsIHTMLContent;
class nsIListControlFrame;
class nsITextContent;
/**
* Child list name indices
@@ -84,6 +96,10 @@ public:
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus);
NS_IMETHOD Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsString& aResult) const;
#endif
@@ -144,8 +160,6 @@ public:
NS_IMETHOD UpdateSelection(PRBool aDoDispatchEvent, PRBool aForceUpdate, PRInt32 aNewIndex);
NS_IMETHOD AbsolutelyPositionDropDown();
NS_IMETHOD GetAbsoluteRect(nsRect* aRect);
NS_IMETHOD SetFrameConstructor(nsCSSFrameConstructor *aConstructor)
{ return NS_OK;} // not owner - do not addref!
// nsISelectControlFrame
NS_IMETHOD AddOption(nsIPresContext* aPresContext, PRInt32 index);
@@ -162,8 +176,17 @@ public:
//nsIRollupListener
NS_IMETHOD Rollup();
NS_IMETHOD SetFrameConstructor(nsCSSFrameConstructor *aConstructor)
{ mFrameConstructor = aConstructor; return NS_OK;} // not owner - do not addref!
protected:
NS_IMETHOD CreateDisplayFrame(nsIPresContext* aPresContext);
#ifdef DO_NEW_REFLOW
NS_IMETHOD ReflowItems(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize);
#endif
// nsHTMLContainerFrame
virtual PRIntn GetSkipSides() const;
@@ -187,7 +210,6 @@ public:
nsIFrame *aFrame,
nsRect& aAbsoluteTwipsRect,
nsRect& aAbsolutePixelRect);
nsIFrame* GetDisplayFrame(nsIPresContext* aPresContext);
protected:
void ShowPopup(PRBool aShowPopup);
void ShowList(nsIPresContext* aPresContext, PRBool aShowList);
@@ -199,19 +221,32 @@ protected:
NS_IMETHOD ToggleList(nsIPresContext* aPresContext);
NS_IMETHOD MakeSureSomethingIsSelected(nsIPresContext* aPresContext); // Default to option 0
nsFrameList mPopupFrames; // additional named child list
nsIPresContext* mPresContext; // XXX: Remove the need to cache the pres context.
nsFormFrame* mFormFrame; // Parent Form Frame
nsString mTextStr; // Current Combo box selection
PRInt32 mSelectedIndex; // current selected index
nsIHTMLContent* mDisplayContent; // Anonymous content used to display the current selection
nsIHTMLContent* mButtonContent; // Anonymous content used to popup the dropdown list
PRBool mDroppedDown; // Current state of the dropdown list, PR_TRUE is dropped down
nsIFrame* mDisplayFrame; // frame to display selection
nsIFrame* mButtonFrame; // button frame
nsIFrame* mDropdownFrame; // dropdown list frame
nsIListControlFrame * mListControlFrame; // ListControl Interface for the dropdown frame
PRBool mIgnoreFocus; // Tells the combo to ignore all focus notifications
void ReflowCombobox(nsIPresContext * aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize,
nsReflowStatus& aStatus,
nsIFrame * aDisplayFrame,
nsIFrame * aDropDownBtn,
nscoord& aDisplayWidth,
nscoord aBtnWidth,
const nsMargin& aBorderPadding,
nscoord aFallBackHgt = -1,
PRBool aCheckHeight = PR_FALSE);
nsFrameList mPopupFrames; // additional named child list
nsIPresContext* mPresContext; // XXX: Remove the need to cache the pres context.
nsFormFrame* mFormFrame; // Parent Form Frame
nsString mTextStr; // Current Combo box selection
PRInt32 mSelectedIndex; // current selected index
nsCOMPtr<nsITextContent> mDisplayContent; // Anonymous content used to display the current selection
nsIHTMLContent* mButtonContent; // Anonymous content used to popup the dropdown list
PRBool mDroppedDown; // Current state of the dropdown list, PR_TRUE is dropped down
nsIFrame* mDisplayFrame; // frame to display selection
nsIFrame* mButtonFrame; // button frame
nsIFrame* mDropdownFrame; // dropdown list frame
nsIFrame* mTextFrame; // display area frame
nsIListControlFrame * mListControlFrame; // ListControl Interface for the dropdown frame
PRBool mIgnoreFocus; // Tells the combo to ignore all focus notifications
nsCOMPtr<nsIPresState> mPresState; // Need cache state when list is null
@@ -219,6 +254,18 @@ protected:
// Resize Reflow Optimization
nsSize mCacheSize;
nsSize mCachedMaxElementSize;
nsSize mCachedAvailableSize;
nsSize mCachedUncDropdownSize;
nsSize mCachedUncComboSize;
nscoord mItemDisplayWidth;
//nscoord mItemDisplayHeight;
nsCSSFrameConstructor* mFrameConstructor;
#ifdef DO_REFLOW_COUNTER
PRInt32 mReflowId;
#endif
private:
NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }