diff options
Diffstat (limited to 'dw/image.hh')
| -rw-r--r-- | dw/image.hh | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/dw/image.hh b/dw/image.hh index 37c27e0d..a8314d4f 100644 --- a/dw/image.hh +++ b/dw/image.hh @@ -38,7 +38,8 @@ private: public: ImageMap (); ~ImageMap (); - + + void draw (core::View *view, core::style::Style *style, int x, int y); void add (core::Shape *shape, int link); void setDefaultLink (int link) { defaultLink = link; }; int link (int x, int y); @@ -47,7 +48,7 @@ private: lout::container::typed::HashTable <lout::object::Object, ImageMap> *imageMaps; ImageMap *currentMap; - + public: ImageMapsList (); ~ImageMapsList (); @@ -55,6 +56,8 @@ public: void startNewMap (lout::object::Object *key); void addShapeToCurrentMap (core::Shape *shape, int link); void setCurrentMapDefaultLink (int link); + void drawMap(lout::object::Object *key, core::View *view, + core::style::Style *style, int x, int y); int link (lout::object::Object *key, int x, int y); }; @@ -68,7 +71,7 @@ public: * <h3>Signals</h3> * * For image maps, dw::Image uses the signals defined in - * dw::core::Widget::LinkReceiver. For client side image maps, -1 is + * dw::core::Layout::LinkReceiver. For client side image maps, -1 is * passed for the coordinates, for server side image maps, the respective * coordinates are used. See section "Image Maps" below. * @@ -89,8 +92,8 @@ public: * * dw::ImageMapsList::addShapeToCurrentMap adds a shape to the current * map. The \em link argument is a number, which is later passed to - * the dw::core::Widget::LinkReceiver. - * + * the dw::core::Layout::LinkReceiver. + * * This map list is then, together with the key for the image, passed to * dw::Image::setUseMap. For HTML, a URL with the value of the "ismap" * attribute of \<IMG\> should be used. @@ -103,13 +106,13 @@ public: * Currently, only maps defined in the same document as the image may be * used, since the dw::ImageMapsList is stored in the HTML link block, and * contains only the image maps defined in the document. - * + * * <h4>Server Side %Image Maps</h4> - * + * * To use images for server side image maps, you must call * dw::Image::setIsMap, and the dw::Image::style must contain a valid link * (dw::core::style::Style::x_link). After this, motions and clicks are - * delegated to dw::core::Widget::LinkReceiver. + * delegated to dw::core::Layout::LinkReceiver. * * \sa\ref dw-images-and-backgrounds */ @@ -129,15 +132,17 @@ protected: void sizeRequestImpl (core::Requisition *requisition); void sizeAllocateImpl (core::Allocation *allocation); - void draw (core::View *view, core::Rectangle *area); + void draw (core::View *view, core::Rectangle *area); bool buttonPressImpl (core::EventButton *event); bool buttonReleaseImpl (core::EventButton *event); void enterNotifyImpl (core::EventCrossing *event); void leaveNotifyImpl (core::EventCrossing *event); bool motionNotifyImpl (core::EventMotion *event); + int contentX (core::MousePositionEvent *event); + int contentY (core::MousePositionEvent *event); - //core::Iterator *iterator (Content::Type mask, bool atEnd); + //core::Iterator *iterator (Content::Type mask, bool atEnd); public: static int CLASS_ID; @@ -145,7 +150,7 @@ public: Image(const char *altText); ~Image(); - core::Iterator *iterator (core::Content::Type mask, bool atEnd); + core::Iterator *iterator (core::Content::Type mask, bool atEnd); inline core::Imgbuf *getBuffer () { return buffer; } void setBuffer (core::Imgbuf *buffer, bool resize = false); @@ -154,6 +159,13 @@ public: void setIsMap (); void setUseMap (ImageMapsList *list, Object *key); + + /* This is a hack for the perhaps frivolous feature of drawing image map + * shapes when there is no image to display. If the map is defined after + * an image using an image map, and the actual image data has not been + * loaded, tell the image to redraw. + */ + void forceMapRedraw () { if (mapKey && ! buffer) queueDraw (); }; }; } // namespace dw |