142 lines
4.6 KiB
C++
142 lines
4.6 KiB
C++
#ifndef __DW_FLTKVIEWBASE_HH__
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#define __DW_FLTKVIEWBASE_HH__
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#include <time.h> // for time_t
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#include <sys/time.h> // for time_t in FreeBSD
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#include <FL/Fl_Group.H>
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#include <FL/x.H>
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#include "fltkcore.hh"
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namespace dw {
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namespace fltk {
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class FltkViewBase: public FltkView, public Fl_Group
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{
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private:
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class BackBuffer {
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private:
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int w;
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int h;
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bool created;
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public:
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Fl_Offscreen offscreen;
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BackBuffer ();
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~BackBuffer ();
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void setSize(int w, int h);
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};
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typedef enum { DRAW_PLAIN, DRAW_CLIPPED, DRAW_BUFFERED } DrawType;
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int bgColor;
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core::Region drawRegion;
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core::Rectangle *exposeArea;
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static BackBuffer *backBuffer;
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static bool backBufferInUse;
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void draw (const core::Rectangle *rect, DrawType type);
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void drawChildWidgets ();
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int manageTabToFocus();
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inline void clipPoint (int *x, int *y, int border) {
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if (exposeArea) {
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if (*x < exposeArea->x - border)
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*x = exposeArea->x - border;
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if (*x > exposeArea->x + exposeArea->width + border)
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*x = exposeArea->x + exposeArea->width + border;
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if (*y < exposeArea->y - border)
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*y = exposeArea->y - border;
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if (*y > exposeArea->y + exposeArea->height + border)
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*y = exposeArea->y + exposeArea->height + border;
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}
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}
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protected:
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core::Layout *theLayout;
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int canvasWidth, canvasHeight;
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int mouse_x, mouse_y;
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Fl_Widget *focused_child;
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virtual int translateViewXToCanvasX (int x) = 0;
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virtual int translateViewYToCanvasY (int y) = 0;
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virtual int translateCanvasXToViewX (int x) = 0;
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virtual int translateCanvasYToViewY (int y) = 0;
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public:
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FltkViewBase (int x, int y, int w, int h, const char *label = 0);
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~FltkViewBase ();
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void draw();
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int handle (int event);
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void setLayout (core::Layout *layout);
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void setCanvasSize (int width, int ascent, int descent);
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void setCursor (core::style::Cursor cursor);
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void setBgColor (core::style::Color *color);
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void startDrawing (core::Rectangle *area);
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void finishDrawing (core::Rectangle *area);
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void queueDraw (core::Rectangle *area);
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void queueDrawTotal ();
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void cancelQueueDraw ();
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void drawPoint (core::style::Color *color,
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core::style::Color::Shading shading,
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int x, int y);
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void drawLine (core::style::Color *color,
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core::style::Color::Shading shading,
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int x1, int y1, int x2, int y2);
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void drawTypedLine (core::style::Color *color,
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core::style::Color::Shading shading,
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core::style::LineType type, int width,
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int x1, int y1, int x2, int y2);
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void drawRectangle (core::style::Color *color,
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core::style::Color::Shading shading, bool filled,
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int x, int y, int width, int height);
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void drawArc (core::style::Color *color,
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core::style::Color::Shading shading, bool filled,
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int centerX, int centerY, int width, int height,
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int angle1, int angle2);
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void drawPolygon (core::style::Color *color,
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core::style::Color::Shading shading,
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bool filled, bool convex,
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core::Point *points, int npoints);
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core::View *getClippingView (int x, int y, int width, int height);
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void mergeClippingView (core::View *clippingView);
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void setBufferedDrawing (bool b);
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};
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class FltkWidgetView: public FltkViewBase
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{
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public:
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FltkWidgetView (int x, int y, int w, int h, const char *label = 0);
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~FltkWidgetView ();
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void drawText (core::style::Font *font,
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core::style::Color *color,
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core::style::Color::Shading shading,
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int x, int y, const char *text, int len);
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void drawSimpleWrappedText (core::style::Font *font,
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core::style::Color *color,
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core::style::Color::Shading shading,
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int x, int y, int w, int h,
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const char *text);
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void drawImage (core::Imgbuf *imgbuf, int xRoot, int yRoot,
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int x, int y, int width, int height);
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bool usesFltkWidgets ();
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void addFltkWidget (Fl_Widget *widget, core::Allocation *allocation);
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void removeFltkWidget (Fl_Widget *widget);
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void allocateFltkWidget (Fl_Widget *widget,
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core::Allocation *allocation);
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void drawFltkWidget (Fl_Widget *widget, core::Rectangle *area);
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};
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} // namespace fltk
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} // namespace dw
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#endif // __DW_FLTKVIEWBASE_HH__
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