120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
/*
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* Copyright 2006-2011, Haiku.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Stephan Aßmus <superstippi@gmx.de>
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*/
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#ifndef ICON_BUTTON_H
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#define ICON_BUTTON_H
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//! GUI class that loads an image from disk and shows it as clickable button.
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#include <Control.h>
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#include <String.h>
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class BBitmap;
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class BMimeType;
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namespace BPrivate {
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class BIconButton : public BControl {
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public:
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BIconButton(const char* name,
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const char* label = NULL,
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BMessage* message = NULL,
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BHandler* target = NULL);
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virtual ~BIconButton();
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// BView interface
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virtual void MessageReceived(BMessage* message);
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virtual void AttachedToWindow();
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virtual void Draw(BRect updateRect);
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virtual bool ShouldDrawBorder() const;
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virtual void DrawBorder(BRect& frame,
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const BRect& updateRect,
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const rgb_color& backgroundColor,
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uint32 controlLookFlags);
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virtual void DrawBackground(BRect& frame,
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const BRect& updateRect,
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const rgb_color& backgroundColor,
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uint32 controlLookFlags);
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virtual void MouseDown(BPoint where);
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virtual void MouseUp(BPoint where);
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virtual void MouseMoved(BPoint where, uint32 transit,
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const BMessage* message);
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virtual void GetPreferredSize(float* width,
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float* height);
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virtual BSize MinSize();
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virtual BSize MaxSize();
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// BInvoker interface
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virtual status_t Invoke(BMessage* message = NULL);
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// BControl interface
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virtual void SetValue(int32 value);
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virtual void SetEnabled(bool enable);
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// BIconButton
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bool IsValid() const;
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void SetPressed(bool pressed);
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bool IsPressed() const;
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status_t SetIcon(int32 resourceID);
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status_t SetIcon(const char* pathToBitmap);
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virtual status_t SetIcon(const BBitmap* bitmap,
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uint32 flags = 0);
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status_t SetIcon(const BMimeType* fileType,
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bool small = true);
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status_t SetIcon(const unsigned char* bitsFromQuickRes,
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uint32 width, uint32 height,
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color_space format,
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bool convertToBW = false);
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void ClearIcon();
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void TrimIcon(bool keepAspect = true);
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BBitmap* Bitmap() const;
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// caller has to delete the returned bitmap
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protected:
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bool IsInside() const;
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void SetInside(bool inside);
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private:
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BBitmap* _ConvertToRGB32(const BBitmap* bitmap) const;
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status_t _MakeBitmaps(const BBitmap* bitmap);
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void _DeleteBitmaps();
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void _SendMessage() const;
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void _Update();
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void _SetTracking(bool state);
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void _SetFlags(uint32 flags, bool set);
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bool _HasFlags(uint32 flags) const;
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private:
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uint32 fButtonState;
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BBitmap* fNormalBitmap;
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BBitmap* fDisabledBitmap;
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BBitmap* fClickedBitmap;
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BBitmap* fDisabledClickedBitmap;
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BHandler* fTargetCache;
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};
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} // namespac BPrivate
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using BPrivate::BIconButton;
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#endif // ICON_BUTTON_H
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