зеркало из https://github.com/mozilla/gecko-dev.git
Getting the button class drawing and showing rollover feedback.
This commit is contained in:
pinkerton%netscape.com
Родитель
c01c823a72
Коммит
c5b5342df7
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@ -28,9 +28,18 @@
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//
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#include "CRDFToolbarItem.h"
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#include "CToolbarModeManager.h"
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#include "UGraphicGizmos.h"
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#include "UGAAppearance.h"
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CRDFToolbarItem :: CRDFToolbarItem ( )
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extern RDF_NCVocab gNavCenter; // RDF vocab struct for NavCenter
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CRDFToolbarItem :: CRDFToolbarItem ( HT_Resource inNode )
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: mNode(inNode)
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{
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Assert_(mNode != NULL);
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}
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@ -43,10 +52,26 @@ CRDFToolbarItem :: ~CRDFToolbarItem ( )
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}
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// a strawman drawing routine for testing purposes only
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void
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CRDFToolbarItem :: DrawSelf ( )
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{
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Rect localRect;
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CalcLocalFrameRect ( localRect );
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::FrameRect ( &localRect );
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}
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#pragma mark -
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CRDFPushButton :: CRDFPushButton ( )
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CRDFPushButton :: CRDFPushButton ( HT_Resource inNode )
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: CRDFToolbarItem(inNode), mTitleTraitsID(130), mCurrentMode(eTOOLBAR_TEXT_AND_ICONS),
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mMouseInFrame(false), mTrackInside(false), mGraphicPadPixels(5), mTitlePadPixels(5),
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mTitleAlignment(kAlignCenterBottom), mGraphicAlignment(kAlignCenterTop),
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mOvalWidth(8), mOvalHeight(8)
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{
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DebugStr("\pCreating a CRDFPushButton");
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@ -60,10 +85,314 @@ CRDFPushButton :: ~CRDFPushButton ( )
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}
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//
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// CalcTitleFrame
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//
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// This calculates the bounding box of the title (if any). This is useful
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// for both the string placement, as well as position the button graphic
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// (again, if any).
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//
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// Note that this routine sets the text traits for the ensuing draw. If
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// you override this method, make sure that you're doing the same.
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//
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void
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CRDFPushButton :: CalcTitleFrame ( )
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{
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char* title = HT_GetNodeName(HTNode());
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if ( !title || !*title )
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return;
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UTextTraits::SetPortTextTraits(mTitleTraitsID);
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FontInfo theInfo;
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::GetFontInfo(&theInfo);
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mCachedTitleFrame.top = mCachedButtonFrame.top;
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mCachedTitleFrame.left = mCachedButtonFrame.left;
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mCachedTitleFrame.right = mCachedTitleFrame.left + ::StringWidth(LStr255(title));;
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mCachedTitleFrame.bottom = mCachedTitleFrame.top + theInfo.ascent + theInfo.descent + theInfo.leading;;
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if (mCurrentMode != eTOOLBAR_TEXT)
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{
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UGraphicGizmos::AlignRectOnRect(mCachedTitleFrame, mCachedButtonFrame, mTitleAlignment);
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UGraphicGizmos::PadAlignedRect(mCachedTitleFrame, mTitlePadPixels, mTitleAlignment);
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}
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else
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{
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UGraphicGizmos::CenterRectOnRect(mCachedTitleFrame, mCachedButtonFrame);
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}
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}
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//
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// CalcGraphicFrame
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//
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//
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void
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CRDFPushButton :: CalcGraphicFrame ( )
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{
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// The container for the graphic starts out as the whole
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// button area.
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Rect theContainerFrame = mCachedButtonFrame;
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Rect theImageFrame = theContainerFrame;
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UGraphicGizmos::AlignRectOnRect(theImageFrame, theContainerFrame, mGraphicAlignment);
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UGraphicGizmos::PadAlignedRect(theImageFrame, mGraphicPadPixels, mGraphicAlignment);
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mCachedGraphicFrame = theImageFrame;
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}
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//
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// PrepareDrawButton
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//
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// Sets up frames and masks before we draw
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//
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void
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CRDFPushButton :: PrepareDrawButton( )
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{
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CalcLocalFrameRect(mCachedButtonFrame);
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// Calculate the drawing mask region.
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::OpenRgn();
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::FrameRoundRect(&mCachedButtonFrame, mOvalWidth, mOvalHeight);
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::CloseRgn(mButtonMask);
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CalcTitleFrame();
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CalcGraphicFrame();
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}
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//
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// FinalizeDrawButton
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//
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// Called after we are done drawing.
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//
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void
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CRDFPushButton :: FinalizeDrawButton ( )
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{
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// nothing for now.
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}
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void
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CRDFPushButton::DrawSelf()
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{
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PrepareDrawButton();
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DrawButtonContent();
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const char* title = HT_GetNodeName(HTNode());
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if ( title ) {
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if (mCurrentMode != eTOOLBAR_ICONS && *title != 0)
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DrawButtonTitle();
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}
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if (mCurrentMode != eTOOLBAR_TEXT)
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DrawButtonGraphic();
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if (!IsEnabled() || !IsActive())
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DrawSelfDisabled();
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FinalizeDrawButton();
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}
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//
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// DrawButtonContent
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//
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// Handle drawing things other than the graphic or title. For instance, if the
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// mouse is within this frame, draw a border around the button. If the mouse is
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// down, draw the button to look depressed.
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//
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void
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CRDFPushButton :: DrawButtonContent ( )
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{
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if (IsActive() && IsEnabled()) {
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if ( IsTrackInside() )
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DrawButtonHilited();
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else if (IsMouseInFrame())
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DrawButtonOutline();
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}
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} // DrawButtonContent
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//
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// DrawButtonTitle
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//
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// Draw the title of the button.
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//
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void
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CRDFPushButton :: DrawButtonTitle ( )
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{
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StColorPenState::Normalize();
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if (IsTrackInside() || GetValue() == Button_On)
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::OffsetRect(&mCachedTitleFrame, 1, 1);
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char* title = HT_GetNodeName(HTNode());
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UGraphicGizmos::PlaceStringInRect(LStr255(title), mCachedTitleFrame, teCenter, teCenter);
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} // DrawButtonTitle
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//
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// DrawButtonGraphic
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//
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// Draw the image specified by HT.
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// ¥¥¥If there isn't an image, what should we do
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//
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void
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CRDFPushButton :: DrawButtonGraphic ( )
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{
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char* url = NULL;
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PRBool success = HT_GetTemplateData ( HTNode(), gNavCenter->RDF_largeIcon, HT_COLUMN_STRING, &url );
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if ( success && url ) {
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// setup where we should draw
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Point topLeft;
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topLeft.h = mCachedGraphicFrame.left; topLeft.v = mCachedGraphicFrame.top;
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uint16 width = mCachedGraphicFrame.right - mCachedGraphicFrame.left;
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uint16 height = mCachedGraphicFrame.bottom - mCachedGraphicFrame.top;
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// draw
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SetImageURL ( url );
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DrawImage ( topLeft, kTransformNone, width, height );
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}
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} // DrawButtonGraphic
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void
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CRDFPushButton :: DrawSelfDisabled ( )
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{
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// ??
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} // DrawSelfDisabled
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//
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// DrawButtonOutline
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//
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// Draw the frame around the button to show rollover feedback
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//
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void
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CRDFPushButton :: DrawButtonOutline ( )
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{
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// ¥ Setup a device loop so that we can handle drawing at the correct bit depth
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StDeviceLoop theLoop ( mCachedButtonFrame );
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Int16 depth;
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// Draw face of button first
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while ( theLoop.NextDepth ( depth ))
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if ( depth >= 4 ) // don't do anything for black and white
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{
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Rect rect = mCachedButtonFrame;
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::InsetRect(&rect, 1, 1);
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UGraphicGizmos::LowerRoundRectColorVolume(rect, 4, 4,
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UGAAppearance::sGAHiliteContentTint);
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}
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// Now draw GA button bevel
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UGAAppearance::DrawGAButtonBevelTint(mCachedButtonFrame);
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} // DrawButtonOutline
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//
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// DrawButtonHilited
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//
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// Draw the button as if it has been clicked on, drawing the insides depressed
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//
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void
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CRDFPushButton :: DrawButtonHilited ( )
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{
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// ¥ Setup a device loop so that we can handle drawing at the correct bit depth
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StDeviceLoop theLoop ( mCachedButtonFrame );
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Int16 depth;
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Rect frame = mCachedButtonFrame;
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// Draw face of button first
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while ( theLoop.NextDepth ( depth ))
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if ( depth >= 4 ) // don't do anything for black and white
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{
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::InsetRect(&frame, 1, 1);
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// Do we need to do this very slight darkening?
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UGraphicGizmos::LowerRoundRectColorVolume(frame, 4, 4, UGAAppearance::sGASevenGrayLevels);
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::InsetRect(&frame, -1, -1);
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}
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// Now draw GA pressed button bevel
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UGAAppearance::DrawGAButtonPressedBevelTint(mCachedButtonFrame);
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}
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//
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// ImageIsReady
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//
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// Called when the icon is ready to draw so we can refresh accordingly.
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//
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void
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CRDFPushButton :: ImageIsReady ( )
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{
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Refresh(); // for now.
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} // ImageIsReady
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//
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// DrawStandby
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//
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// Called when the image we want to draw has not finished loading. We get
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// called to draw something in its place. Any good ideas?
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void
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CRDFPushButton :: DrawStandby ( const Point & inTopLeft, IconTransformType inTransform ) const
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{
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::FrameRect ( &mCachedGraphicFrame ); //¥¥¥ this is wrong!
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} // DrawStandby
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void
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CRDFPushButton :: MouseEnter ( Point /*inPortPt*/, const EventRecord & /*inMacEvent*/ )
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{
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mMouseInFrame = true;
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if (IsActive() && IsEnabled())
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Draw(NULL);
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}
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void
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CRDFPushButton :: MouseWithin ( Point /*inPortPt*/, const EventRecord & /*inMacEvent*/ )
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{
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// Nothing to do for now
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}
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void
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CRDFPushButton :: MouseLeave( )
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{
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mMouseInFrame = false;
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if (IsActive() && IsEnabled()) {
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// since we can't simply draw the border w/ xor, we need to get the toolbar
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// to redraw its bg and then redraw the normal button over it. To do this
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// we create a rgn (in port coords), make it the clip rgn, and then draw
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// the parent toolbar and this button again.
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Rect portRect;
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CalcPortFrameRect(portRect);
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StRegion buttonRgnPort(portRect);
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StClipRgnState savedClip(buttonRgnPort);
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GetSuperView()->Draw(NULL);
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Draw(NULL);
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}
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}
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#pragma mark -
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CRDFSeparator :: CRDFSeparator ( )
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CRDFSeparator :: CRDFSeparator ( HT_Resource inNode )
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: CRDFToolbarItem(inNode)
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{
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DebugStr("\pCreating a CRDFSeparator");
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@ -81,7 +410,8 @@ CRDFSeparator :: ~CRDFSeparator ( )
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#pragma mark -
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CRDFURLBar :: CRDFURLBar ( )
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CRDFURLBar :: CRDFURLBar ( HT_Resource inNode )
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: CRDFToolbarItem(inNode)
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{
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DebugStr("\pCreating a CRDFURLBar");
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@ -29,6 +29,9 @@
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#pragma once
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#include "htrdf.h"
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#include "CImageIconMixin.h"
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//
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// class CRDFToolbarItem
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@ -36,14 +39,23 @@
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// The base class for things that go on toolbars. This is a virtual class
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// and should never be instantiated by itself.
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//
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class CRDFToolbarItem
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class CRDFToolbarItem : public LView
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{
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public:
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protected:
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HT_Resource HTNode ( ) { return mNode; }
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const HT_Resource HTNode ( ) const { return mNode; }
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virtual void DrawSelf ( ) ;
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private:
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HT_Resource mNode;
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// don't instantiate one of these
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CRDFToolbarItem ( ) ;
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CRDFToolbarItem ( HT_Resource inNode ) ;
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virtual ~CRDFToolbarItem ( ) ;
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// items cannot be passed by value because they exist in 1-to-1
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@ -59,15 +71,63 @@ private:
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//
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// It's a button, it's a slicer, it's a mulcher, it's a ....
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//
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class CRDFPushButton : public CRDFToolbarItem
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class CRDFPushButton : public CRDFToolbarItem, public CImageIconMixin
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{
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public:
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CRDFPushButton ( ) ;
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CRDFPushButton ( HT_Resource inNode ) ;
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virtual ~CRDFPushButton ( ) ;
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void SetTrackInside(bool inInside) { mTrackInside = inInside; }
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bool IsTrackInside() const { return mTrackInside; }
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protected:
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// computations for drawing text and icon
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virtual void PrepareDrawButton ( ) ;
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virtual void CalcGraphicFrame ( ) ;
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virtual void CalcTitleFrame ( ) ;
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virtual void FinalizeDrawButton ( ) ;
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// handle actual drawing
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virtual void DrawSelf ( ) ;
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virtual void DrawButtonContent ( ) ;
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virtual void DrawButtonTitle ( ) ;
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virtual void DrawButtonGraphic ( ) ;
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virtual void DrawSelfDisabled ( ) ;
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virtual void DrawButtonOutline ( ) ;
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virtual void DrawButtonHilited ( ) ;
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// handle drawing icon as an image
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virtual void ImageIsReady ( ) ;
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virtual void DrawStandby ( const Point & inTopLeft, IconTransformType inTransform ) const ;
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// handle rollover feedback
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virtual void MouseEnter ( Point inPortPt, const EventRecord &inMacEvent) ;
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virtual void MouseWithin ( Point inPortPt, const EventRecord &inMacEvent);
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virtual void MouseLeave(void);
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bool IsMouseInFrame ( ) const { return mMouseInFrame; } ;
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private:
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// items cannot be passed by value because they exist in 1-to-1 correspondance
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// with UI elements
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StRegion mButtonMask;
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Rect mCachedButtonFrame;
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Rect mCachedTitleFrame;
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Rect mCachedGraphicFrame;
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ResIDT mTitleTraitsID;
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UInt8 mCurrentMode;
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Int8 mGraphicPadPixels;
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Int8 mTitlePadPixels;
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Int8 mTitleAlignment;
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Int8 mGraphicAlignment;
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Uint8 mOvalWidth, mOvalHeight;
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bool mMouseInFrame;
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bool mTrackInside;
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// items cannot be passed by value because they exist in 1-to-1
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// correspondance with UI elements
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CRDFPushButton( const CRDFPushButton& ); // DON'T IMPLEMENT
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CRDFPushButton& operator=( const CRDFPushButton& ); // DON'T IMPLEMENT
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@ -82,7 +142,7 @@ private:
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class CRDFSeparator : public CRDFToolbarItem
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{
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public:
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CRDFSeparator ( ) ;
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CRDFSeparator ( HT_Resource inNode ) ;
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virtual ~CRDFSeparator ( ) ;
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private:
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@ -102,7 +162,7 @@ private:
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class CRDFURLBar : public CRDFToolbarItem
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{
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public:
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CRDFURLBar ( ) ;
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CRDFURLBar ( HT_Resource inNode ) ;
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virtual ~CRDFURLBar ( ) ;
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private:
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