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BarMeter: rework text padding 

In case the text is too long for the bar, try to fit by truncating at a
space character.

E.g.
    [|24.1% 2000Mhz 40°C]
    [24.1% 2000Mhz 40°C]
    [||||24.1% 2000Mhz]
    [|||24.1% 2000Mhz]
    [||24.1% 2000Mhz]
    [|24.1% 2000Mhz]
    [24.1% 2000Mhz]
    [||||   24.1%]
    [||||  24.1%]
    [|||| 24.1%]
    [||||24.1%]
    [|||24.1%]
    [||24.1%]
    [|24.1%]
    [24.1%]
    [24.1]
    [24.]
    [24]
    [2]
This commit is contained in:
Christian Göttsche 2020-12-20 00:28:10 +01:00 committed by cgzones
parent 22da57d621
commit 6e46fd6f1f
1 changed files with 28 additions and 17 deletions
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45
Meter.c
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@ -199,18 +199,29 @@ static void BarMeterMode_draw(Meter* this, int x, int y, int w) {
return;
// The text in the bar is right aligned;
// calculate needed padding and generate leading spaces
#ifdef HAVE_LIBNCURSESW
const int textLen = mbstowcs(NULL, buffer, 0);
#else
const int textLen = strlen(buffer);
#endif
const int padding = CLAMP(w - textLen, 0, w);
// Pad with maximal spaces and then calculate needed staring position offset
RichString_begin(bar);
RichString_appendChr(&bar, ' ', padding);
RichString_appendChr(&bar, ' ', w);
RichString_appendWide(&bar, 0, buffer);
assert(RichString_sizeVal(bar) >= w);
int startPos = RichString_sizeVal(bar) - w;
if (startPos > w) {
// Text is too large for bar
// Truncate too long bar meter text at a space character
for (int pos = 2 * w; pos > w; pos--) {
if (RichString_getCharVal(bar, pos) == ' ') {
while (pos > w && RichString_getCharVal(bar, pos - 1) == ' ')
pos--;
startPos = pos - w;
break;
}
}
// If still to large, print the start not the end
startPos = MINIMUM(startPos, w);
}
assert(startPos >= 0);
assert(startPos <= w);
assert(startPos + w <= RichString_sizeVal(bar));
int blockSizes[10];
@ -228,11 +239,11 @@ static void BarMeterMode_draw(Meter* this, int x, int y, int w) {
// (Control against invalid values)
nextOffset = CLAMP(nextOffset, 0, w);
for (int j = offset; j < nextOffset; j++)
if (RichString_getCharVal(bar, j) == ' ') {
if (RichString_getCharVal(bar, startPos + j) == ' ') {
if (CRT_colorScheme == COLORSCHEME_MONOCHROME) {
RichString_setChar(&bar, j, BarMeterMode_characters[i]);
RichString_setChar(&bar, startPos + j, BarMeterMode_characters[i]);
} else {
RichString_setChar(&bar, j, '|');
RichString_setChar(&bar, startPos + j, '|');
}
}
offset = nextOffset;
@ -241,14 +252,14 @@ static void BarMeterMode_draw(Meter* this, int x, int y, int w) {
// ...then print the buffer.
offset = 0;
for (uint8_t i = 0; i < this->curItems; i++) {
RichString_setAttrn(&bar, CRT_colors[Meter_attributes(this)[i]], offset, offset + blockSizes[i] - 1);
RichString_printoffnVal(bar, y, x + offset, offset, MINIMUM(blockSizes[i], w - offset));
RichString_setAttrn(&bar, CRT_colors[Meter_attributes(this)[i]], startPos + offset, startPos + offset + blockSizes[i] - 1);
RichString_printoffnVal(bar, y, x + offset, startPos + offset, MINIMUM(blockSizes[i], w - offset));
offset += blockSizes[i];
offset = CLAMP(offset, 0, w);
}
if (offset < w) {
RichString_setAttrn(&bar, CRT_colors[BAR_SHADOW], offset, w - 1);
RichString_printoffnVal(bar, y, x + offset, offset, w - offset);
RichString_setAttrn(&bar, CRT_colors[BAR_SHADOW], startPos + offset, startPos + w - 1);
RichString_printoffnVal(bar, y, x + offset, startPos + offset, w - offset);
}
RichString_end(bar);