another UI attempt, I guess.

sorry.

1 files changed, 139 insertions, 0 deletions

diff --git a/src/libui_sdl/libui/test/page7a.c b/src/libui_sdl/libui/test/page7a.c
new file mode 100644
index 0000000..72e0321
--- /dev/null
+++ b/src/libui_sdl/libui/test/page7a.c
@@ -0,0 +1,139 @@
+// 13 october 2015
+#include "test.h"
+
+static uiArea *area;
+static uiEntry *startAngle;
+static uiEntry *sweep;
+static uiCheckbox *negative;
+static uiCheckbox *radians;
+
+struct handler {
+	uiAreaHandler ah;
+};
+
+static struct handler handler;
+
+// based on the cairo arc sample
+static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *p)
+{
+	double xc = 128.0;
+	double yc = 128.0;
+	double radius = 100.0;
+	uiDrawBrush source;
+	uiDrawStrokeParams sp;
+	uiDrawPath *path;
+	char *startText;
+	char *sweepText;
+	double factor;
+
+	source.Type = uiDrawBrushTypeSolid;
+	source.R = 0;
+	source.G = 0;
+	source.B = 0;
+	source.A = 1;
+	sp.Cap = uiDrawLineCapFlat;
+	sp.Join = uiDrawLineJoinMiter;
+	sp.MiterLimit = uiDrawDefaultMiterLimit;
+	sp.Dashes = NULL;
+	sp.NumDashes = 0;
+	sp.DashPhase = 0;
+
+	startText = uiEntryText(startAngle);
+	sweepText = uiEntryText(sweep);
+
+	factor = uiPi / 180;
+	if (uiCheckboxChecked(radians))
+		factor = 1;
+
+	sp.Thickness = 10.0;
+	path = uiDrawNewPath(uiDrawFillModeWinding);
+	uiDrawPathNewFigure(path, xc, yc);
+	uiDrawPathArcTo(path,
+		xc, yc,
+		radius,
+		atof(startText) * factor,
+		atof(sweepText) * factor,
+		uiCheckboxChecked(negative));
+	uiDrawPathEnd(path);
+	uiDrawStroke(p->Context, path, &source, &sp);
+	uiDrawFreePath(path);
+
+	uiFreeText(startText);
+	uiFreeText(sweepText);
+}
+
+static void handlerMouseEvent(uiAreaHandler *a, uiArea *area, uiAreaMouseEvent *e)
+{
+	// do nothing
+}
+
+static void handlerMouseCrossed(uiAreaHandler *ah, uiArea *a, int left)
+{
+	// do nothing
+}
+
+static void handlerDragBroken(uiAreaHandler *ah, uiArea *a)
+{
+	// do nothing
+}
+
+static int handlerKeyEvent(uiAreaHandler *ah, uiArea *a, uiAreaKeyEvent *e)
+{
+	return 0;
+}
+
+static void entryChanged(uiEntry *e, void *data)
+{
+	uiAreaQueueRedrawAll(area);
+}
+
+static void checkboxToggled(uiCheckbox *c, void *data)
+{
+	uiAreaQueueRedrawAll(area);
+}
+
+uiGroup *makePage7a(void)
+{
+	uiGroup *group;
+	uiBox *box, *box2;
+
+	handler.ah.Draw = handlerDraw;
+	handler.ah.MouseEvent = handlerMouseEvent;
+	handler.ah.MouseCrossed = handlerMouseCrossed;
+	handler.ah.DragBroken = handlerDragBroken;
+	handler.ah.KeyEvent = handlerKeyEvent;
+
+	group = newGroup("Arc Test");
+
+	box = newVerticalBox();
+	uiGroupSetChild(group, uiControl(box));
+
+	area = uiNewArea((uiAreaHandler *) (&handler));
+	uiBoxAppend(box, uiControl(area), 1);
+
+	box2 = newHorizontalBox();
+	uiBoxAppend(box, uiControl(box2), 0);
+
+	uiBoxAppend(box2, uiControl(uiNewLabel("Start Angle")), 0);
+	startAngle = uiNewEntry();
+	uiEntryOnChanged(startAngle, entryChanged, NULL);
+	uiBoxAppend(box2, uiControl(startAngle), 1);
+
+	box2 = newHorizontalBox();
+	uiBoxAppend(box, uiControl(box2), 0);
+
+	uiBoxAppend(box2, uiControl(uiNewLabel("Sweep")), 0);
+	sweep = uiNewEntry();
+	uiEntryOnChanged(sweep, entryChanged, NULL);
+	uiBoxAppend(box2, uiControl(sweep), 1);
+
+	negative = uiNewCheckbox("Negative");
+	uiCheckboxOnToggled(negative, checkboxToggled, NULL);
+	uiBoxAppend(box, uiControl(negative), 0);
+
+	radians = uiNewCheckbox("Radians");
+	uiCheckboxOnToggled(radians, checkboxToggled, NULL);
+	uiBoxAppend(box, uiControl(radians), 0);
+
+	return group;
+}