- Moved the dw2 tree into dillo2's tree.

1 files changed, 89 insertions, 0 deletions

diff --git a/dw/fltkpreview.hh b/dw/fltkpreview.hh
new file mode 100644
index 00000000..2464db89
--- /dev/null
+++ b/dw/fltkpreview.hh
@@ -0,0 +1,89 @@
+#ifndef __FlTKPREVIEW_HH__
+#define __FlTKPREVIEW_HH__
+
+#include <fltk/Button.h>
+#include <fltk/MenuWindow.h>
+#include "fltkviewbase.hh"
+
+namespace dw {
+namespace fltk {
+
+class FltkPreview: public FltkViewBase
+{
+   friend class FltkPreviewWindow;
+
+private:
+   int scrollX, scrollY, scrollWidth, scrollHeight;
+
+protected:
+   int translateViewXToCanvasX (int x);
+   int translateViewYToCanvasY (int y);
+   int translateCanvasXToViewX (int x);
+   int translateCanvasYToViewY (int y);
+
+public:
+   FltkPreview (int x, int y, int w, int h, dw::core::Layout *layout,
+                const char *label = 0);
+   ~FltkPreview ();
+
+   int handle (int event);
+
+   void setCanvasSize (int width, int ascent, int descent);
+
+   bool usesViewport ();
+   int getHScrollbarThickness ();
+   int getVScrollbarThickness ();
+   void scrollTo (int x, int y);
+   void setViewportSize (int width, int height,
+                         int hScrollbarThickness, int vScrollbarThickness);
+
+   void drawText (core::style::Font *font,
+                  core::style::Color *color,
+                  core::style::Color::Shading shading,
+                  int x, int y, const char *text, int len);
+   void drawImage (core::Imgbuf *imgbuf, int xRoot, int yRoot,
+                   int x, int y, int width, int height);
+
+   bool usesFltkWidgets ();
+   void drawFltkWidget (::fltk::Widget *widget, core::Rectangle *area);
+};
+
+
+class FltkPreviewWindow: public ::fltk::MenuWindow
+{
+private:
+   enum { BORDER_WIDTH = 2 };
+
+   FltkPreview *preview;
+   int posX, posY;
+
+public:
+   FltkPreviewWindow (dw::core::Layout *layout);
+   ~FltkPreviewWindow ();
+
+   void reallocate ();
+
+   void showWindow ();
+   void hideWindow ();
+
+   void scrollTo (int mouseX, int mouseY);
+};
+
+
+class FltkPreviewButton: public  ::fltk::Button
+{
+private:
+   FltkPreviewWindow *window;
+
+public:
+   FltkPreviewButton (int x, int y, int w, int h,
+                      dw::core::Layout *layout, const char *label = 0);
+   ~FltkPreviewButton ();
+
+   int handle (int event);
+};
+
+} // namespace fltk
+} // namespace dw
+
+#endif // __FlTKPREVIEW_HH__