114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
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// 13 october 2015
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#include "test.h"
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static uiArea *area;
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struct handler {
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uiAreaHandler ah;
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};
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static struct handler handler;
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#define areaSize 250
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#define borderThickness 1
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#define padding 30
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#define circleRadius ((areaSize - padding) / 2)
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static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *dp)
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{
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uiDrawPath *path;
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uiDrawBrush brush;
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uiDrawStrokeParams sp;
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uiDrawBrushGradientStop stops[2];
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memset(&brush, 0, sizeof (uiDrawBrush));
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memset(&sp, 0, sizeof (uiDrawStrokeParams));
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathAddRectangle(path,
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0, 0,
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areaSize, areaSize);
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uiDrawPathEnd(path);
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brush.Type = uiDrawBrushTypeSolid;
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brush.R = 1;
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brush.G = 0;
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brush.B = 0;
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brush.A = 1;
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sp.Cap = uiDrawLineCapFlat;
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sp.Join = uiDrawLineJoinMiter;
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sp.Thickness = 1;
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sp.MiterLimit = uiDrawDefaultMiterLimit;
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uiDrawStroke(dp->Context, path, &brush, &sp);
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uiDrawFreePath(path);
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathNewFigureWithArc(path,
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areaSize / 2, areaSize / 2,
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circleRadius,
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0, 2 * M_PI,
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0);
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uiDrawPathEnd(path);
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stops[0].Pos =0.0;
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stops[0].R = 0.0;
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stops[0].G = 1.0;
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stops[0].B = 1.0;
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stops[0].A = 1.0;
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stops[1].Pos = 1.0;
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stops[1].R = 0.0;
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stops[1].G = 0.0;
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stops[1].B = 1.0;
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stops[1].A = 1.0;
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brush.Type = uiDrawBrushTypeLinearGradient;
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brush.X0 = areaSize / 2;
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brush.Y0 = padding;
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brush.X1 = areaSize / 2;
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brush.Y1 = areaSize - padding;
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brush.Stops = stops;
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brush.NumStops = 2;
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uiDrawFill(dp->Context, path, &brush);
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uiDrawFreePath(path);
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}
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static void handlerMouseEvent(uiAreaHandler *a, uiArea *area, uiAreaMouseEvent *e)
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{
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// do nothing
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}
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static void handlerMouseCrossed(uiAreaHandler *ah, uiArea *a, int left)
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{
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// do nothing
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}
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static void handlerDragBroken(uiAreaHandler *ah, uiArea *a)
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{
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// do nothing
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}
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static int handlerKeyEvent(uiAreaHandler *ah, uiArea *a, uiAreaKeyEvent *e)
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{
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if (e->Key == 'h' && !e->Up) {
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// TODO hide the widget momentarily on the h key
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return 1;
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}
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return 0;
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}
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uiGroup *makePage7c(void)
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{
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uiGroup *group;
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handler.ah.Draw = handlerDraw;
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handler.ah.MouseEvent = handlerMouseEvent;
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handler.ah.MouseCrossed = handlerMouseCrossed;
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handler.ah.DragBroken = handlerDragBroken;
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handler.ah.KeyEvent = handlerKeyEvent;
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group = newGroup("Scrolling Drawing Test");
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area = uiNewScrollingArea((uiAreaHandler *) (&handler),
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areaSize, areaSize);
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uiGroupSetChild(group, uiControl(area));
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return group;
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}
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