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Cleanups, mostly to make diffing it against the original file from Tracker

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more easy. It's not so nice that this code is replicated, there could be
refactoring to get a base-class which is used by both Tracker and Backgrounds
and the Tracker version extends it for the caching, while the Background
preflet extends it in other ways.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29730 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2009-03-26 14:10:02 +00:00
parent af20d1a13e
commit 23b0de5eb2
1 changed files with 74 additions and 75 deletions
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149
src/preferences/backgrounds/BackgroundImage.h
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@ -66,108 +66,107 @@ const uint32 kRestoreBackgroundImage = 'Tbgr';
const uint32 kChangeBackgroundImage = 'Cbgr';
class BackgroundImage {
// This class knows everything about which bitmap to use for a given
// view and how.
// Unlike other windows, the Desktop window can have different backgrounds
// for each workspace
// This class knows everything about which bitmap to use for a given
// view and how.
// Unlike other windows, the Desktop window can have different backgrounds
// for each workspace
public:
enum Mode {
kAtOffset,
kCentered, // only works on Desktop
kScaledToFit, // only works on Desktop
kTiled
};
class BackgroundImageInfo {
// element of the per-workspace list
public:
BackgroundImageInfo(uint32 workspace, int32 imageIndex, Mode mode,
BPoint offset, bool textWidgetLabelOutline, uint32 imageSet,
uint32 cacheMode);
~BackgroundImageInfo();
enum Mode {
kAtOffset,
kCentered, // only works on Desktop
kScaledToFit, // only works on Desktop
kTiled
};
void LoadBitmap();
void UnloadBitmap(uint32 globalCacheMode);
class BackgroundImageInfo {
// element of the per-workspace list
public:
BackgroundImageInfo(uint32 workspace, int32 imageIndex, Mode mode,
BPoint offset, bool textWidgetLabelOutline, uint32 imageSet,
uint32 cacheMode);
~BackgroundImageInfo();
uint32 fWorkspace;
int32 fImageIndex;
Mode fMode;
BPoint fOffset;
bool fTextWidgetLabelOutline;
uint32 fImageSet;
uint32 fCacheMode; // image cache strategy (0 cache , 1 no cache)
};
void LoadBitmap();
void UnloadBitmap(uint32 globalCacheMode);
uint32 fWorkspace;
int32 fImageIndex;
Mode fMode;
BPoint fOffset;
bool fTextWidgetLabelOutline;
uint32 fImageSet;
uint32 fCacheMode; // image cache strategy (0 cache , 1 no cache)
};
static BackgroundImage *GetBackgroundImage(const BNode *node,
bool isDesktop, BackgroundsView* view);
static BackgroundImage *GetBackgroundImage(const BNode *node,
bool isDesktop, BackgroundsView* view);
// create a BackgroundImage object by reading it from a node
virtual ~BackgroundImage();
virtual ~BackgroundImage();
void Show(BView *view, int32 workspace);
void Show(BView *view, int32 workspace);
// display the right background for a given workspace
void Remove();
void Remove();
// remove the background from it's current view
void WorkspaceActivated(BView *view, int32 workspace, bool state);
void WorkspaceActivated(BView *view, int32 workspace, bool state);
// respond to a workspace change
void ScreenChanged(BRect rect, color_space space);
void ScreenChanged(BRect rect, color_space space);
// respond to a screen size change
/*static BackgroundImage *Refresh(BackgroundImage *oldBackgroundImage,
const BNode *fromNode, bool desktop, BPoseView *poseView);
// respond to a background image setting change
void ChangeImageSet(BPoseView *poseView);
// change to the next imageSet if any, no refresh*/
BackgroundImageInfo *ImageInfoForWorkspace(int32) const;
/*static BackgroundImage *Refresh(BackgroundImage *oldBackgroundImage,
const BNode *fromNode, bool desktop, BPoseView *poseView);
// respond to a background image setting change
void ChangeImageSet(BPoseView *poseView);
// change to the next imageSet if any, no refresh*/
BackgroundImageInfo *ImageInfoForWorkspace(int32) const;
// return fIsDesktop
bool IsDesktop() { return fIsDesktop;}
bool IsDesktop() { return fIsDesktop;}
status_t SetBackgroundImage(BNode *node);
status_t SetBackgroundImage(BNode *node);
void Show(BackgroundImageInfo *, BView *view);
void Show(BackgroundImageInfo *, BView *view);
uint32 GetShowingImageSet() { return fShowingImageSet; }
uint32 GetShowingImageSet() { return fShowingImageSet; }
void Add(BackgroundImageInfo *);
void Remove(BackgroundImageInfo *);
void RemoveAll();
void Add(BackgroundImageInfo *);
void Remove(BackgroundImageInfo *);
void RemoveAll();
private:
BackgroundImage(const BNode *node, bool isDesktop, BackgroundsView* view);
private:
BackgroundImage(const BNode *node, bool isDesktop, BackgroundsView* view);
// no public constructor, GetBackgroundImage factory function is
// used instead
bool fIsDesktop;
BNode fDefinedByNode;
BView *fView;
BackgroundsView* fBackgroundsView;
BackgroundImageInfo *fShowingBitmap;
bool fIsDesktop;
BNode fDefinedByNode;
BView *fView;
BackgroundsView* fBackgroundsView;
BackgroundImageInfo *fShowingBitmap;
BObjectList<BackgroundImageInfo> fBitmapForWorkspaceList;
BObjectList<BackgroundImageInfo> fBitmapForWorkspaceList;
uint32 fImageSetPeriod; // period between imagesets, 0 if none
uint32 fShowingImageSet; // current imageset
uint32 fImageSetCount; // imageset count
uint32 fCacheMode;// image cache strategy (0 all, 1 none, 2 own strategy)
bool fRandomChange; // random or sequential change
uint32 fImageSetPeriod; // period between imagesets, 0 if none
uint32 fShowingImageSet; // current imageset
uint32 fImageSetCount; // imageset count
uint32 fCacheMode;// image cache strategy (0 all, 1 none, 2 own strategy)
bool fRandomChange; // random or sequential change
};
class Image {
// element for each image
public:
Image(BPath path);
~Image();
// element for each image
public:
Image(BPath path);
~Image();
void UnloadBitmap();
const char* GetName() {return name.String();}
BBitmap* GetBitmap();
BPath GetPath() {return fPath;}
private:
BBitmap *fBitmap;
BPath fPath;
BString name;
void UnloadBitmap();
const char* GetName() {return name.String();}
BBitmap* GetBitmap();
BPath GetPath() {return fPath;}
private:
BBitmap *fBitmap;
BPath fPath;
BString name;
};
#endif