static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *dp)
{
#if 0
uiDrawTextFontDescriptor desc;
uiDrawTextFont *font;
char *s;
char *family; // make compiler happy
uiDrawTextLayout *layout;
uiDrawTextFontMetrics metrics;
double ypos;
double width;
double height;
memset(&desc, 0, sizeof (uiDrawTextFontDescriptor));
family = uiEntryText(textFont);
desc.Family = family;
desc.Size = entryDouble(textSize);
desc.Weight = uiComboboxSelected(textWeight);
desc.Italic = uiComboboxSelected(textItalic);
desc.SmallCaps = uiCheckboxChecked(textSmallCaps);
desc.Stretch = uiComboboxSelected(textStretch);
desc.Gravity = uiComboboxSelected(textGravity);
font = uiDrawLoadClosestFont(&desc);
uiFreeText(family);
uiDrawTextFontGetMetrics(font, &metrics);
width = entryDouble(textWidth);
drawGuides(dp->Context, &metrics);
s = uiEntryText(textString);
layout = uiDrawNewTextLayout(s, font, width);
uiFreeText(s);
ypos = 10;
uiDrawText(dp->Context, 10, ypos, layout);
// TODO make these optional?
uiDrawTextLayoutExtents(layout, &width, &height);
uiDrawFreeTextLayout(layout);
layout = uiDrawNewTextLayout("This is a second line", font, -1);
if (/*TODO reuse width*/entryDouble(textWidth) < 0) {
double ad;
ad = metrics.Ascent + metrics.Descent;
printf("ad:%g extent:%g\n", ad, height);
}
ypos += height;
if (uiCheckboxChecked(addLeading))
ypos += metrics.Leading;
uiDrawText(dp->Context, 10, ypos, layout);
uiDrawFreeTextLayout(layout);
uiDrawFreeTextFont(font);
#endif
}
void setFullscreen(uiCheckbox *cb, void *data)
{
uiWindow *w = uiWindow(data);
uiWindowSetFullscreen(w, uiCheckboxChecked(fullscreen));
updatesize(w);
}
// 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 = M_PI / 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 callback_uiCheckboxOnToggled( uiCheckbox* c, void* d )
{
lua_State* L = (lua_State*) d;
if( L )
{
lua_pushboolean( L, uiCheckboxChecked( c ) );
invoke_callback( L, c, callback_OnToggled, 1 );
}
}
static Janet janet_ui_checkbox_checked(int32_t argc, Janet *argv) {
janet_arity(argc, 1, 2);
uiCheckbox *cbox = janet_getuitype(argv, 0, &checkbox_td);
if (argc == 2) {
int checked = janet_getboolean(argv, 1);
uiCheckboxSetChecked(cbox, checked);
return argv[0];
}
return janet_wrap_boolean(uiCheckboxChecked(cbox));
}
static void drawGuides(uiDrawContext *c, uiDrawTextFontMetrics *m)
{
uiDrawPath *p;
uiDrawBrush b;
uiDrawStrokeParams sp;
double leading;
double y;
leading = 0;
if (uiCheckboxChecked(addLeading))
leading = m->Leading;
memset(&b, 0, sizeof (uiDrawBrush));
b.Type = uiDrawBrushTypeSolid;
memset(&sp, 0, sizeof (uiDrawStrokeParams));
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.MiterLimit = uiDrawDefaultMiterLimit;
sp.Thickness = 2;
uiDrawSave(c);
p = uiDrawNewPath(uiDrawFillModeWinding);
y = 10;
uiDrawPathNewFigure(p, 8, y);
y += m->Ascent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.94;
b.G = 0.5;
b.B = 0.5;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathNewFigure(p, 8, y);
y += m->Descent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.12;
b.G = 0.56;
b.B = 1.0;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
// and again for the second line
p = uiDrawNewPath(uiDrawFillModeWinding);
y += leading;
uiDrawPathNewFigure(p, 8, y);
y += m->Ascent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.94;
b.G = 0.5;
b.B = 0.5;
b.A = 0.75;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathNewFigure(p, 8, y);
y += m->Descent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.12;
b.G = 0.56;
b.B = 1.0;
b.A = 0.75;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
// and a box to text layout top-left corners
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathAddRectangle(p, 0, 0, 10, 10);
uiDrawPathEnd(p);
uiDrawClip(c, p);
b.R = 0.85;
b.G = 0.65;
b.B = 0.13;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
uiDrawRestore(c);
}
static void borderless(uiCheckbox *c, void *data)
{
uiWindow *w = uiWindow(data);
uiWindowSetBorderless(w, uiCheckboxChecked(c));
}
static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *dp)
{
uiDrawTextFont *font;
uiDrawTextLayout *layout;
double r, g, b, al;
char surrogates[1 + 4 + 1 + 1];
char composed[2 + 2 + 2 + 3 + 2 + 1];
double width, height;
font = uiFontButtonFont(textFontButton);
layout = uiDrawNewTextLayout("One two three four", font, -1);
uiDrawTextLayoutSetColor(layout,
4, 7,
1, 0, 0, 1);
uiDrawTextLayoutSetColor(layout,
8, 14,
1, 0, 0.5, 0.5);
uiColorButtonColor(textColorButton, &r, &g, &b, &al);
uiDrawTextLayoutSetColor(layout,
14, 18,
r, g, b, al);
uiDrawText(dp->Context, 10, 10, layout);
uiDrawTextLayoutExtents(layout, &width, &height);
uiDrawFreeTextLayout(layout);
surrogates[0] = 'x';
surrogates[1] = 0xF0; // surrogates D800 DF08
surrogates[2] = 0x90;
surrogates[3] = 0x8C;
surrogates[4] = 0x88;
surrogates[5] = 'y';
surrogates[6] = '\0';
layout = uiDrawNewTextLayout(surrogates, font, -1);
uiDrawTextLayoutSetColor(layout,
1, 2,
1, 0, 0.5, 0.5);
uiDrawText(dp->Context, 10, 10 + height, layout);
uiDrawFreeTextLayout(layout);
composed[0] = 'z';
composed[1] = 'z';
composed[2] = 0xC3; // 2
composed[3] = 0xA9;
composed[4] = 'z';
composed[5] = 'z';
composed[6] = 0x65; // 5
composed[7] = 0xCC;
composed[8] = 0x81;
composed[9] = 'z';
composed[10] = 'z';
composed[11] = '\0';
layout = uiDrawNewTextLayout(composed, font, -1);
uiDrawTextLayoutSetColor(layout,
2, 3,
1, 0, 0.5, 0.5);
uiDrawTextLayoutSetColor(layout,
5, 6,
1, 0, 0.5, 0.5);
if (!uiCheckboxChecked(noZ))
uiDrawTextLayoutSetColor(layout,
6, 7,
0.5, 0, 1, 0.5);
uiDrawText(dp->Context, 10, 10 + height + height, layout);
uiDrawFreeTextLayout(layout);
uiDrawFreeTextFont(font);
}