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#ifndef __DW_FLTKVIEWBASE_HH__
#define __DW_FLTKVIEWBASE_HH__
#include <time.h> // for time_t
#include <sys/time.h> // for time_t in FreeBSD
#include <fltk/Group.h>
#include <fltk/Image.h>
#include <fltk/Scrollbar.h>
#include "fltkcore.hh"
namespace dw {
namespace fltk {
class FltkViewBase: public FltkView, public ::fltk::Group
{
private:
typedef enum { DRAW_PLAIN, DRAW_CLIPPED, DRAW_BUFFERED } DrawType;
int bgColor;
core::Region drawRegion;
::fltk::Rectangle *exposeArea;
static ::fltk::Image *backBuffer;
static bool backBufferInUse;
void draw (const core::Rectangle *rect, DrawType type);
void drawChildWidgets ();
inline void clipPoint (int *x, int *y) {
if (exposeArea) {
if (*x < exposeArea->x ())
*x = exposeArea->x ();
if (*x > exposeArea->r ())
*x = exposeArea->r ();
if (*y < exposeArea->y ())
*y = exposeArea->y ();
if (*y > exposeArea->b ())
*y = exposeArea->b ();
}
}
protected:
core::Layout *theLayout;
int canvasWidth, canvasHeight;
int mouse_x, mouse_y;
virtual int translateViewXToCanvasX (int x) = 0;
virtual int translateViewYToCanvasY (int y) = 0;
virtual int translateCanvasXToViewX (int x) = 0;
virtual int translateCanvasYToViewY (int y) = 0;
public:
FltkViewBase (int x, int y, int w, int h, const char *label = 0);
~FltkViewBase ();
void draw();
int handle (int event);
void setLayout (core::Layout *layout);
void setCanvasSize (int width, int ascent, int descent);
void setCursor (core::style::Cursor cursor);
void setBgColor (core::style::Color *color);
void startDrawing (core::Rectangle *area);
void finishDrawing (core::Rectangle *area);
void queueDraw (core::Rectangle *area);
void queueDrawTotal ();
void cancelQueueDraw ();
void drawPoint (core::style::Color *color,
core::style::Color::Shading shading,
int x, int y);
void drawLine (core::style::Color *color,
core::style::Color::Shading shading,
int x1, int y1, int x2, int y2);
void drawRectangle (core::style::Color *color,
core::style::Color::Shading shading, bool filled,
int x, int y, int width, int height);
void drawArc (core::style::Color *color,
core::style::Color::Shading shading, bool filled,
int x, int y, int width, int height,
int angle1, int angle2);
void drawPolygon (core::style::Color *color,
core::style::Color::Shading shading,
bool filled, int points[][2], int npoints);
core::View *getClippingView (int x, int y, int width, int height);
void mergeClippingView (core::View *clippingView);
void setBufferedDrawing (bool b);
};
class FltkWidgetView: public FltkViewBase
{
public:
FltkWidgetView (int x, int y, int w, int h, const char *label = 0);
~FltkWidgetView ();
void layout();
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 addFltkWidget (::fltk::Widget *widget, core::Allocation *allocation);
void removeFltkWidget (::fltk::Widget *widget);
void allocateFltkWidget (::fltk::Widget *widget,
core::Allocation *allocation);
void drawFltkWidget (::fltk::Widget *widget, core::Rectangle *area);
};
} // namespace fltk
} // namespace dw
#endif // __DW_FLTKVIEWBASE_HH__
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