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oui-blendish
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merge

pull/1/head
Leonard Ritter 10 years ago
parent
d9cba71feb eefa215873
commit
770ee128f8
1 changed files with 109 additions and 60 deletions
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  1. +109
    -60
      blendish.h

+ 109
- 60
blendish.h View File

@@ -802,6 +802,13 @@ BND_EXPORT void bndRadioButton(NVGcontext *ctx,
float x, float y, float w, float h, int flags, BNDwidgetState state,
int iconid, const char *label);

// Calculate the corresponding text position for given coordinates px/py
// in a text field.
// See bndTextField for more info.
BND_EXPORT int bndTextFieldTextPosition(NVGcontext *ctx, float x, float y, float w, float h,
int iconid, const char *text, int px, int py);

// Draw a text field with its lower left origin at (x,y) and size of (w,h),
// where flags is one or multiple flags from BNDcornerFlags and state denotes
// the widgets current UI state.
@@ -1044,6 +1051,12 @@ BND_EXPORT void bndIconLabelValue(NVGcontext *ctx, float x, float y, float w, fl
BND_EXPORT void bndNodeIconLabel(NVGcontext *ctx, float x, float y, float w, float h,
int iconid, NVGcolor color, NVGcolor shadowColor, int align,
float fontsize, const char *label);

// Calculate the corresponding text position for given coordinates px/py
// in an iconLabel.
// See bndIconLabelCaret for more info.
BND_EXPORT int bndIconLabelTextPosition(NVGcontext *ctx, float x, float y, float w, float h,
int iconid, float fontsize, const char *label, int px, int py);
// Draw an optional icon specified by <iconid>, an optional label and
// a caret with given fontsize and color within a widget box.
@@ -1208,6 +1221,9 @@ static double bnd_fmax ( double a, double b )
// max glyphs for position testing
#define BND_MAX_GLYPHS 1024

// max rows for position testing
#define BND_MAX_ROWS 32

// text distance from bottom
#define BND_TEXT_PAD_DOWN 7

@@ -1445,6 +1461,12 @@ void bndRadioButton(NVGcontext *ctx,
BND_LABEL_FONT_SIZE, label, NULL);
}

int bndTextFieldTextPosition(NVGcontext *ctx, float x, float y, float w, float h,
int iconid, const char *text, int px, int py) {
return bndIconLabelTextPosition(ctx, x, y, w, h,
iconid, BND_LABEL_FONT_SIZE, text, px, py);
}

void bndTextField(NVGcontext *ctx,
float x, float y, float w, float h, int flags, BNDwidgetState state,
int iconid, const char *text, int cbegin, int cend) {
@@ -2131,17 +2153,17 @@ void bndIconLabelValue(NVGcontext *ctx, float x, float y, float w, float h,
+ nvgTextBounds(ctx, 1, 1, value, NULL, NULL);
x += ((w-BND_PAD_RIGHT-pleft)-width)*0.5f;
}
y += h-BND_TEXT_PAD_DOWN;
y += BND_WIDGET_HEIGHT-BND_TEXT_PAD_DOWN;
nvgText(ctx, x, y, label, NULL);
x += label_width;
nvgText(ctx, x, y, BND_LABEL_SEPARATOR, NULL);
x += sep_width;
nvgText(ctx, x, y, value, NULL);
nvgText(ctx, x, y, value, NULL);
} else {
nvgTextAlign(ctx,
(align==BND_LEFT)?(NVG_ALIGN_LEFT|NVG_ALIGN_BASELINE):
(NVG_ALIGN_CENTER|NVG_ALIGN_BASELINE));
nvgTextBox(ctx,x+pleft,y+h-BND_TEXT_PAD_DOWN,
nvgTextBox(ctx,x+pleft,y+BND_WIDGET_HEIGHT-BND_TEXT_PAD_DOWN,
w-BND_PAD_RIGHT-pleft,label, NULL);
}
} else if (iconid >= 0) {
@@ -2171,10 +2193,70 @@ void bndNodeIconLabel(NVGcontext *ctx, float x, float y, float w, float h,
}
}

int bndIconLabelTextPosition(NVGcontext *ctx, float x, float y, float w, float h,
int iconid, float fontsize, const char *label, int px, int py) {
float bounds[4];
float pleft = BND_TEXT_RADIUS;
if (!label) return -1;
if (iconid >= 0)
pleft += BND_ICON_SHEET_RES;

if (bnd_font < 0) return -1;

x += pleft;
y += BND_WIDGET_HEIGHT - BND_TEXT_PAD_DOWN;

nvgFontFaceId(ctx, bnd_font);
nvgFontSize(ctx, fontsize);
nvgTextAlign(ctx, NVG_ALIGN_LEFT | NVG_ALIGN_BASELINE);

w -= BND_TEXT_RADIUS + pleft;

float asc, desc, lh;
static NVGtextRow rows[BND_MAX_ROWS];
int nrows = nvgTextBreakLines(
ctx, label, NULL, w, rows, BND_MAX_ROWS);
if (nrows == 0) return 0;
nvgTextBoxBounds(ctx, x, y, w, label, NULL, bounds);
nvgTextMetrics(ctx, &asc, &desc, &lh);

// calculate vertical position
int row = bnd_clamp((int)((float)(py - bounds[1]) / lh), 0, nrows - 1);
// search horizontal position
static NVGglyphPosition glyphs[BND_MAX_GLYPHS];
int nglyphs = nvgTextGlyphPositions(
ctx, x, y, rows[row].start, rows[row].end + 1, glyphs, BND_MAX_GLYPHS);
int col, p = 0;
for (col = 0; col < nglyphs && glyphs[col].x < px; ++col)
p = glyphs[col].str - label;
// see if we should move one character further
if (col > 0 && col < nglyphs && glyphs[col].x - px < px - glyphs[col - 1].x)
p = glyphs[col].str - label;
return p;
}

static void bndCaretPosition(NVGcontext *ctx, float x, float y,
float desc, float lineHeight, const char *caret, NVGtextRow *rows,int nrows,
int *cr, float *cx, float *cy) {
static NVGglyphPosition glyphs[BND_MAX_GLYPHS];
int r,nglyphs;
for (r=0; r < nrows && rows[r].end < caret; ++r);
*cr = r;
*cx = x;
*cy = y-lineHeight-desc + r*lineHeight;
if (nrows == 0) return;
*cx = rows[r].minx;
nglyphs = nvgTextGlyphPositions(
ctx, x, y, rows[r].start, rows[r].end+1, glyphs, BND_MAX_GLYPHS);
for (int i=0; i < nglyphs; ++i) {
*cx=glyphs[i].x;
if (glyphs[i].str == caret) break;
}
}

void bndIconLabelCaret(NVGcontext *ctx, float x, float y, float w, float h,
int iconid, NVGcolor color, float fontsize, const char *label,
NVGcolor caretcolor, int cbegin, int cend) {
float bounds[4];
float pleft = BND_TEXT_RADIUS;
if (!label) return;
if (iconid >= 0) {
@@ -2194,70 +2276,37 @@ void bndIconLabelCaret(NVGcontext *ctx, float x, float y, float w, float h,
w -= BND_TEXT_RADIUS+pleft;

if (cend >= cbegin) {
#if 1
float c0,c1;
const char *cb;const char *ce;
static NVGglyphPosition glyphs[BND_MAX_GLYPHS];
int nglyphs = nvgTextGlyphPositions(
ctx, x, y, label, label+cend+1, glyphs, BND_MAX_GLYPHS);
c0=glyphs[0].x;
c1=glyphs[nglyphs-1].x;
cb = label+cbegin; ce = label+cend;
// TODO: this is slow
for (int i=0; i < nglyphs; ++i) {
if (glyphs[i].str == cb)
c0 = glyphs[i].x;
if (glyphs[i].str == ce)
c1 = glyphs[i].x;
}
int c0r,c1r;
float c0x,c0y,c1x,c1y;
float desc,lh;
static NVGtextRow rows[BND_MAX_ROWS];
int nrows = nvgTextBreakLines(
ctx, label, label+cend+1, w, rows, BND_MAX_ROWS);
nvgTextMetrics(ctx, NULL, &desc, &lh);

bndCaretPosition(ctx, x, y, desc, lh, label+cbegin,
rows, nrows, &c0r, &c0x, &c0y);
bndCaretPosition(ctx, x, y, desc, lh, label+cend,
rows, nrows, &c1r, &c1x, &c1y);
nvgTextBounds(ctx,x,y,label,NULL, bounds);
nvgBeginPath(ctx);
if (cbegin == cend) {
nvgFillColor(ctx, nvgRGBf(0.337,0.502,0.761));
nvgRect(ctx, c0-1, bounds[1], 2, bounds[3]-bounds[1]);
} else {
nvgFillColor(ctx, caretcolor);
nvgRect(ctx, c0-1, bounds[1], c1-c0+1, bounds[3]-bounds[1]);
}
nvgFill(ctx);
#else
float c0,c1;
const char *cb;
const char *ce;
const char *line;
int numlines;
cb = label+cbegin; ce = label+cend;
line = label;

NVGtextRow rows[2];
numlines = nvgTextBreakLines(ctx, line, NULL, w, rows, 2);

/*
int nglyphs = nvgTextGlyphPositions(
ctx, x, y, label, label+cend+1, glyphs, BND_MAX_GLYPHS);
c0=glyphs[0].x;
c1=glyphs[nglyphs-1].x;
// TODO: this is slow
for (int i=0; i < nglyphs; ++i) {
if (glyphs[i].str == cb)
c0 = glyphs[i].x;
if (glyphs[i].str == ce)
c1 = glyphs[i].x;
}

nvgTextBounds(ctx,x,y,label,NULL, bounds);
nvgBeginPath(ctx);
if (cbegin == cend) {
nvgFillColor(ctx, nvgRGBf(0.337,0.502,0.761));
nvgRect(ctx, c0-1, bounds[1], 2, bounds[3]-bounds[1]);
nvgRect(ctx, c0x-1, c0y, 2, lh+1);
} else {
nvgFillColor(ctx, caretcolor);
nvgRect(ctx, c0-1, bounds[1], c1-c0+1, bounds[3]-bounds[1]);
if (c0r == c1r) {
nvgRect(ctx, c0x-1, c0y, c1x-c0x+1, lh+1);
} else {
int blk=c1r-c0r-1;
nvgRect(ctx, c0x-1, c0y, x+w-c0x+1, lh+1);
nvgRect(ctx, x, c1y, c1x-x+1, lh+1);

if (blk)
nvgRect(ctx, x, c0y+lh, w, blk*lh+1);
}
}
nvgFill(ctx);
*/
#endif
}
nvgBeginPath(ctx);


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