45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
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/***************************************************************************************
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// The following button class has been ported over from the Adafruit_GFX library so
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// should be compatible.
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// A slightly different implementation in this TFT_eSPI library allows the button
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// legends to be in any font, allow longer labels and to adjust text positioning
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// within button
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***************************************************************************************/
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class TFT_eSPI_Button
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{
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public:
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TFT_eSPI_Button(void);
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// "Classic" initButton() uses centre & size
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void initButton(TFT_eSPI *gfx, int16_t x, int16_t y,
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uint16_t w, uint16_t h, uint16_t outline, uint16_t fill,
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uint16_t textcolor, char *label, uint8_t textsize);
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// New/alt initButton() uses upper-left corner & size
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void initButtonUL(TFT_eSPI *gfx, int16_t x1, int16_t y1,
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uint16_t w, uint16_t h, uint16_t outline, uint16_t fill,
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uint16_t textcolor, char *label, uint8_t textsize);
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// Adjust text datum and x, y deltas
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void setLabelDatum(int16_t x_delta, int16_t y_delta, uint8_t datum = MC_DATUM);
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void drawButton(bool inverted = false, String long_name = "");
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bool contains(int16_t x, int16_t y);
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void press(bool p);
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bool isPressed();
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bool justPressed();
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bool justReleased();
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private:
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TFT_eSPI *_gfx;
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int16_t _x1, _y1; // Coordinates of top-left corner of button
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int16_t _xd, _yd; // Button text datum offsets (wrt centre of button)
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uint16_t _w, _h; // Width and height of button
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uint8_t _textsize, _textdatum; // Text size multiplier and text datum for button
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uint16_t _outlinecolor, _fillcolor, _textcolor;
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char _label[10]; // Button text is 9 chars maximum unless long_name used
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bool currstate, laststate; // Button states
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};
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