402 lines
9.2 KiB
C
402 lines
9.2 KiB
C
// 4 september 2015
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#define _GNU_SOURCE
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#include "area.h"
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#include <math.h>
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// #qo LIBS: user32 kernel32 d2d1 ole32 uuid gdi32 msimg32
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struct handler {
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uiAreaHandler ah;
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};
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static HWND area;
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static struct handler h;
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static HWND nhspinb;
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static HWND nvspinb;
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static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *p)
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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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brush.Type = uiDrawBrushTypeSolid;
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brush.A = 1;
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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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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathNewFigure(path, p->ClipX + 5, p->ClipY + 5);
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uiDrawPathLineTo(path, (p->ClipX + p->ClipWidth) - 5, (p->ClipY + p->ClipHeight) - 5);
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uiDrawPathEnd(path);
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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(p->Context, path, &brush, &sp);
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uiDrawFreePath(path);
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brush.R = 0;
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brush.G = 0;
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brush.B = 0.75;
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathNewFigure(path, p->ClipX, p->ClipY);
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uiDrawPathLineTo(path, p->ClipX + p->ClipWidth, p->ClipY);
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uiDrawPathLineTo(path, 50, 150);
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uiDrawPathLineTo(path, 50, 50);
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uiDrawPathCloseFigure(path);
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uiDrawPathEnd(path);
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sp.Cap = uiDrawLineCapFlat;
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sp.Join = uiDrawLineJoinRound;
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sp.Thickness = 5;
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uiDrawStroke(p->Context, path, &brush, &sp);
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uiDrawFreePath(path);
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brush.R = 0;
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brush.G = 0.75;
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brush.B = 0;
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brush.A = 0.5;
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathAddRectangle(path, 120, 80, 50, 50);
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uiDrawPathEnd(path);
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uiDrawFill(p->Context, path, &brush);
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uiDrawFreePath(path);
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brush.A = 1;
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brush.R = 0;
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brush.G = 0.5;
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brush.B = 0;
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathNewFigure(path, 5.5, 10.5);
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uiDrawPathLineTo(path, 5.5, 50.5);
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uiDrawPathEnd(path);
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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(p->Context, path, &brush, &sp);
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uiDrawFreePath(path);
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brush.R = 0.5;
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brush.G = 0.75;
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brush.B = 0;
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathNewFigure(path, 400, 100);
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uiDrawPathArcTo(path,
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400, 100,
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50,
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30. * (M_PI / 180.),
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// note the end angle here
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// in GDI, the second angle to AngleArc() is relative to the start, not to 0
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330. * (M_PI / 180.));
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// TODO add a checkbox for this
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uiDrawPathLineTo(path, 400, 100);
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uiDrawPathNewFigureWithArc(path,
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510, 100,
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50,
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30. * (M_PI / 180.),
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330. * (M_PI / 180.));
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uiDrawPathCloseFigure(path);
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uiDrawPathEnd(path);
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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(p->Context, path, &brush, &sp);
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uiDrawFreePath(path);
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brush.R = 0;
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brush.G = 0.5;
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brush.B = 0.75;
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathNewFigure(path, 300, 300);
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uiDrawPathBezierTo(path,
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350, 320,
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310, 390,
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435, 372);
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uiDrawPathEnd(path);
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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(p->Context, path, &brush, &sp);
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uiDrawFreePath(path);
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// based on https://msdn.microsoft.com/en-us/library/windows/desktop/dd756682%28v=vs.85%29.aspx
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path = uiDrawNewPath(uiDrawFillModeWinding);
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#define XO 50
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#define YO 250
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uiDrawPathNewFigure(path, 0 + XO, 0 + YO);
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uiDrawPathLineTo(path, 200 + XO, 0 + YO);
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uiDrawPathBezierTo(path,
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150 + XO, 50 + YO,
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150 + XO, 150 + YO,
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200 + XO, 200 + YO);
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uiDrawPathLineTo(path, 0 + XO, 200 + YO);
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uiDrawPathBezierTo(path,
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50 + XO, 150 + YO,
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50 + XO, 50 + YO,
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0 + XO, 0 + YO);
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uiDrawPathCloseFigure(path);
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uiDrawPathEnd(path);
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// first the stroke
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brush.Type = uiDrawBrushTypeSolid;
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brush.R = 0;
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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.MiterLimit = uiDrawDefaultMiterLimit;
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sp.Thickness = 10;
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uiDrawStroke(p->Context, path, &brush, &sp);
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// and now the fill
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{
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uiDrawBrushGradientStop stops[2];
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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 = 0.25;
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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 = 100 + XO;
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brush.Y0 = 0 + YO;
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brush.X1 = 100 + XO;
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brush.Y1 = 200 + YO;
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brush.Stops = stops;
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brush.NumStops = 2;
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uiDrawFill(p->Context, path, &brush);
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}
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#undef YO
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#undef XO
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uiDrawFreePath(path);
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// based on https://msdn.microsoft.com/en-us/library/windows/desktop/dd756679%28v=vs.85%29.aspx
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path = uiDrawNewPath(uiDrawFillModeWinding);
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uiDrawPathNewFigure(path, 585, 235);
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uiDrawPathArcTo(path,
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510, 235,
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75,
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0,
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// TODO why doesn't 360° work
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2 * M_PI - 0.1);
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uiDrawPathEnd(path);
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// first the stroke
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brush.Type = uiDrawBrushTypeSolid;
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brush.R = 0;
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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.MiterLimit = uiDrawDefaultMiterLimit;
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sp.Thickness = 1;
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uiDrawStroke(p->Context, path, &brush, &sp);
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// then the fill
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{
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uiDrawBrushGradientStop stops[2];
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stops[0].Pos = 0.0;
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stops[0].R = 1.0;
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stops[0].G = 1.0;
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stops[0].B = 0.0;
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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 = ((double) 0x22) / 255.0;
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stops[1].G = ((double) 0x8B) / 255.0;
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stops[1].B = ((double) 0x22) / 255.0;
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stops[1].A = 1.0;
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brush.Type = uiDrawBrushTypeRadialGradient;
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// start point
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brush.X0 = 510;
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brush.Y0 = 235;
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// outer circle's center
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brush.X1 = 510;
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brush.Y1 = 235;
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brush.OuterRadius = 75;
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brush.Stops = stops;
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brush.NumStops = 2;
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uiDrawFill(p->Context, path, &brush);
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}
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uiDrawFreePath(path);
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}
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static uintmax_t handlerHScrollMax(uiAreaHandler *a, uiArea *area)
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{
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WCHAR c[50];
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GetWindowTextW(nhspinb, c, 50);
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return _wtoi(c);
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}
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static uintmax_t handlerVScrollMax(uiAreaHandler *a, uiArea *area)
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{
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WCHAR c[50];
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GetWindowTextW(nvspinb, c, 50);
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return _wtoi(c);
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}
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static int handlerRedrawOnResize(uiAreaHandler *a, uiArea *area)
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{
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return 1;
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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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printf("mouse (%d,%d):(%d,%d) down:%d up:%d count:%d mods:%x held:%I64x\n",
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(int) e->X,
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(int) e->Y,
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(int) e->HScrollPos,
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(int) e->VScrollPos,
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(int) e->Down,
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(int) e->Up,
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(int) e->Count,
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(uint32_t) e->Modifiers,
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e->Held1To64);
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}
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static void handlerDragBroken(uiAreaHandler *ah, uiArea *a)
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{
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printf("drag broken\n");
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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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char k[4];
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k[0] = '\'';
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k[1] = e->Key;
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k[2] = '\'';
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k[3] = '\0';
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if (e->Key == 0) {
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k[0] = '0';
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k[1] = '\0';
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}
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printf("key key:%s extkey:%d mod:%d mods:%d up:%d\n",
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k,
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(int) e->ExtKey,
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(int) e->Modifier,
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(int) e->Modifiers,
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e->Up);
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return 0;
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}
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static void repos(HWND hwnd)
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{
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RECT r;
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GetClientRect(hwnd, &r);
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SetWindowPos(nhspinb, NULL, r.left + 12, r.top + 12,
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120, 20,
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SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
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SetWindowPos(nvspinb, NULL, r.left + 12 + 120 + 6, r.top + 12,
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120, 20,
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SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
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SetWindowPos(area, NULL, r.left + 12, r.top + 12 + 20 + 6,
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r.right - r.left - 24, r.bottom - r.top - 24 - 20 - 6,
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SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
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}
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static LRESULT CALLBACK wndproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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WINDOWPOS *wp = (WINDOWPOS *) lParam;
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switch (uMsg) {
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case WM_COMMAND:
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if (((HWND) lParam) == nhspinb || ((HWND) lParam) == nvspinb)
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if (HIWORD(wParam) == EN_CHANGE)
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areaUpdateScroll(area);
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break;
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case WM_WINDOWPOSCHANGED:
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if ((wp->flags & SWP_NOSIZE) != 0)
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break;
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repos(hwnd);
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return 0;
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case WM_CLOSE:
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PostQuitMessage(0);
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}
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return DefWindowProcW(hwnd, uMsg, wParam, lParam);
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}
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HINSTANCE hInstance;
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int main(void)
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{
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WNDCLASSW wc;
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HWND mainwin;
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MSG msg;
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CoInitialize(NULL);
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initDraw();
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hInstance = GetModuleHandle(NULL);
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h.ah.Draw = handlerDraw;
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h.ah.HScrollMax = handlerHScrollMax;
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h.ah.VScrollMax = handlerVScrollMax;
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h.ah.RedrawOnResize = handlerRedrawOnResize;
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h.ah.MouseEvent = handlerMouseEvent;
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h.ah.DragBroken = handlerDragBroken;
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h.ah.KeyEvent = handlerKeyEvent;
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registerAreaClass();
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ZeroMemory(&wc, sizeof (WNDCLASSW));
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wc.lpszClassName = L"mainwin";
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wc.lpfnWndProc = wndproc;
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wc.hInstance = hInstance;
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wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
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RegisterClassW(&wc);
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mainwin = CreateWindowExW(0,
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L"mainwin", L"mainwin",
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WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT,
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NULL, NULL, hInstance, NULL);
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area = makeArea(0,
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WS_CHILD | WS_VISIBLE,
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0, 0, 0, 0,
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mainwin,
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(uiAreaHandler *) (&h));
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nhspinb = CreateWindowExW(WS_EX_CLIENTEDGE,
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L"edit", L"0",
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ES_NUMBER | WS_CHILD | WS_VISIBLE,
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0, 0, 100, 100,
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mainwin, NULL, hInstance, NULL);
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nvspinb = CreateWindowExW(WS_EX_CLIENTEDGE,
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L"edit", L"0",
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ES_NUMBER | WS_CHILD | WS_VISIBLE,
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0, 0, 100, 100,
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mainwin, NULL, hInstance, NULL);
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// initial state
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repos(mainwin);
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areaUpdateScroll(area);
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ShowWindow(mainwin, SW_SHOWDEFAULT);
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UpdateWindow(mainwin);
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extern BOOL processAreaMessage(MSG *);
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while (GetMessage(&msg, NULL, 0, 0)) {
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if (processAreaMessage(&msg)) continue;
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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uninitDraw();
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CoUninitialize();
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return 0;
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}
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