49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
#include "UIString.h"
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#include "HardwareSerial.h"
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#include "UIComponent.h"
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#include <Arduino_GFX.h>
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UIString::UIString() : UIElement(nullptr, {0, 0, 0, 0}, nullptr, (char *)"") {
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this->type = STRING;
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memset(this->value, 0, this->bufferSize);
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}
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UIString::UIString(Arduino_GFX *d, UIDimensions dims, UIDecorations *decor,
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char *title)
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: UIElement(d, dims, decor, title) {
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this->type = STRING;
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memset(this->value, 0, this->bufferSize);
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}
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void UIString::Update(const char *v) {
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uint64_t time = millis();
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if ((time - this->lastUpdate) <= this->refreshRate) {
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return;
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}
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// If the value is larger than our buffer - should add a way of knowing we
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// got an error here
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if (strlen(v) >= this->bufferSize) {
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return;
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}
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// If the value hasn't changed we do not need to re-render
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if (strcmp(this->value, v) == 0) {
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return;
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}
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char newVal[this->bufferSize];
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memset(newVal, 0, this->bufferSize);
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// strncpy(newVal, v, this->bufferSize - 1);
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sprintf(newVal, "%s", v);
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char oldVal[this->bufferSize];
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memset(oldVal, 0, this->bufferSize);
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// strncpy(oldVal, v, this->bufferSize - 1);
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sprintf(oldVal, "%s", this->value);
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// Figure out the x0 and y0 for the text
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replaceString(oldVal, newVal);
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strncpy(this->value, v, this->bufferSize);
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}
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